Clean up directory structure, improve README

Also this should make GitHub ignore the vendored code for the purpose
of detecting programming languages used in the repository. See
https://github.com/github-linguist/linguist/blob/main/docs/overrides.md#vendored-code

1 files changed, 0 insertions, 26893 deletions

diff --git a/priv/static/video.js/alt/video.core.novtt.js b/priv/static/video.js/alt/video.core.novtt.js
deleted file mode 100644
index f169b1b..0000000
--- a/priv/static/video.js/alt/video.core.novtt.js
+++ /dev/null
@@ -1,26893 +0,0 @@
-/**
- * @license
- * Video.js 8.12.0 <http://videojs.com/>
- * Copyright Brightcove, Inc. <https://www.brightcove.com/>
- * Available under Apache License Version 2.0
- * <https://github.com/videojs/video.js/blob/main/LICENSE>
- *
- * Includes vtt.js <https://github.com/mozilla/vtt.js>
- * Available under Apache License Version 2.0
- * <https://github.com/mozilla/vtt.js/blob/main/LICENSE>
- */
-
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
-  typeof define === 'function' && define.amd ? define(factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.videojs = factory());
-})(this, (function () { 'use strict';
-
-  var version = "8.12.0";
-
-  /**
-   * An Object that contains lifecycle hooks as keys which point to an array
-   * of functions that are run when a lifecycle is triggered
-   *
-   * @private
-   */
-  const hooks_ = {};
-
-  /**
-   * Get a list of hooks for a specific lifecycle
-   *
-   * @param  {string} type
-   *         the lifecycle to get hooks from
-   *
-   * @param  {Function|Function[]} [fn]
-   *         Optionally add a hook (or hooks) to the lifecycle that your are getting.
-   *
-   * @return {Array}
-   *         an array of hooks, or an empty array if there are none.
-   */
-  const hooks = function (type, fn) {
-    hooks_[type] = hooks_[type] || [];
-    if (fn) {
-      hooks_[type] = hooks_[type].concat(fn);
-    }
-    return hooks_[type];
-  };
-
-  /**
-   * Add a function hook to a specific videojs lifecycle.
-   *
-   * @param {string} type
-   *        the lifecycle to hook the function to.
-   *
-   * @param {Function|Function[]}
-   *        The function or array of functions to attach.
-   */
-  const hook = function (type, fn) {
-    hooks(type, fn);
-  };
-
-  /**
-   * Remove a hook from a specific videojs lifecycle.
-   *
-   * @param  {string} type
-   *         the lifecycle that the function hooked to
-   *
-   * @param  {Function} fn
-   *         The hooked function to remove
-   *
-   * @return {boolean}
-   *         The function that was removed or undef
-   */
-  const removeHook = function (type, fn) {
-    const index = hooks(type).indexOf(fn);
-    if (index <= -1) {
-      return false;
-    }
-    hooks_[type] = hooks_[type].slice();
-    hooks_[type].splice(index, 1);
-    return true;
-  };
-
-  /**
-   * Add a function hook that will only run once to a specific videojs lifecycle.
-   *
-   * @param {string} type
-   *        the lifecycle to hook the function to.
-   *
-   * @param {Function|Function[]}
-   *        The function or array of functions to attach.
-   */
-  const hookOnce = function (type, fn) {
-    hooks(type, [].concat(fn).map(original => {
-      const wrapper = (...args) => {
-        removeHook(type, wrapper);
-        return original(...args);
-      };
-      return wrapper;
-    }));
-  };
-
-  /**
-   * @file fullscreen-api.js
-   * @module fullscreen-api
-   */
-
-  /**
-   * Store the browser-specific methods for the fullscreen API.
-   *
-   * @type {Object}
-   * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
-   * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
-   */
-  const FullscreenApi = {
-    prefixed: true
-  };
-
-  // browser API methods
-  const apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'],
-  // WebKit
-  ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen']];
-  const specApi = apiMap[0];
-  let browserApi;
-
-  // determine the supported set of functions
-  for (let i = 0; i < apiMap.length; i++) {
-    // check for exitFullscreen function
-    if (apiMap[i][1] in document) {
-      browserApi = apiMap[i];
-      break;
-    }
-  }
-
-  // map the browser API names to the spec API names
-  if (browserApi) {
-    for (let i = 0; i < browserApi.length; i++) {
-      FullscreenApi[specApi[i]] = browserApi[i];
-    }
-    FullscreenApi.prefixed = browserApi[0] !== specApi[0];
-  }
-
-  /**
-   * @file create-logger.js
-   * @module create-logger
-   */
-
-  // This is the private tracking variable for the logging history.
-  let history = [];
-
-  /**
-   * Log messages to the console and history based on the type of message
-   *
-   * @private
-   * @param  {string} name
-   *         The name of the console method to use.
-   *
-   * @param  {Object} log
-   *         The arguments to be passed to the matching console method.
-   *
-   * @param {string} [styles]
-   *        styles for name
-   */
-  const LogByTypeFactory = (name, log, styles) => (type, level, args) => {
-    const lvl = log.levels[level];
-    const lvlRegExp = new RegExp(`^(${lvl})$`);
-    let resultName = name;
-    if (type !== 'log') {
-      // Add the type to the front of the message when it's not "log".
-      args.unshift(type.toUpperCase() + ':');
-    }
-    if (styles) {
-      resultName = `%c${name}`;
-      args.unshift(styles);
-    }
-
-    // Add console prefix after adding to history.
-    args.unshift(resultName + ':');
-
-    // Add a clone of the args at this point to history.
-    if (history) {
-      history.push([].concat(args));
-
-      // only store 1000 history entries
-      const splice = history.length - 1000;
-      history.splice(0, splice > 0 ? splice : 0);
-    }
-
-    // If there's no console then don't try to output messages, but they will
-    // still be stored in history.
-    if (!window.console) {
-      return;
-    }
-
-    // Was setting these once outside of this function, but containing them
-    // in the function makes it easier to test cases where console doesn't exist
-    // when the module is executed.
-    let fn = window.console[type];
-    if (!fn && type === 'debug') {
-      // Certain browsers don't have support for console.debug. For those, we
-      // should default to the closest comparable log.
-      fn = window.console.info || window.console.log;
-    }
-
-    // Bail out if there's no console or if this type is not allowed by the
-    // current logging level.
-    if (!fn || !lvl || !lvlRegExp.test(type)) {
-      return;
-    }
-    fn[Array.isArray(args) ? 'apply' : 'call'](window.console, args);
-  };
-  function createLogger$1(name, delimiter = ':', styles = '') {
-    // This is the private tracking variable for logging level.
-    let level = 'info';
-
-    // the curried logByType bound to the specific log and history
-    let logByType;
-
-    /**
-     * Logs plain debug messages. Similar to `console.log`.
-     *
-     * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)
-     * of our JSDoc template, we cannot properly document this as both a function
-     * and a namespace, so its function signature is documented here.
-     *
-     * #### Arguments
-     * ##### *args
-     * *[]
-     *
-     * Any combination of values that could be passed to `console.log()`.
-     *
-     * #### Return Value
-     *
-     * `undefined`
-     *
-     * @namespace
-     * @param    {...*} args
-     *           One or more messages or objects that should be logged.
-     */
-    const log = function (...args) {
-      logByType('log', level, args);
-    };
-
-    // This is the logByType helper that the logging methods below use
-    logByType = LogByTypeFactory(name, log, styles);
-
-    /**
-     * Create a new subLogger which chains the old name to the new name.
-     *
-     * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:
-     * ```js
-     *  mylogger('foo');
-     *  // > VIDEOJS: player: foo
-     * ```
-     *
-     * @param {string} subName
-     *        The name to add call the new logger
-     * @param {string} [subDelimiter]
-     *        Optional delimiter
-     * @param {string} [subStyles]
-     *        Optional styles
-     * @return {Object}
-     */
-    log.createLogger = (subName, subDelimiter, subStyles) => {
-      const resultDelimiter = subDelimiter !== undefined ? subDelimiter : delimiter;
-      const resultStyles = subStyles !== undefined ? subStyles : styles;
-      const resultName = `${name} ${resultDelimiter} ${subName}`;
-      return createLogger$1(resultName, resultDelimiter, resultStyles);
-    };
-
-    /**
-     * Create a new logger.
-     *
-     * @param {string} newName
-     *        The name for the new logger
-     * @param {string} [newDelimiter]
-     *        Optional delimiter
-     * @param {string} [newStyles]
-     *        Optional styles
-     * @return {Object}
-     */
-    log.createNewLogger = (newName, newDelimiter, newStyles) => {
-      return createLogger$1(newName, newDelimiter, newStyles);
-    };
-
-    /**
-     * Enumeration of available logging levels, where the keys are the level names
-     * and the values are `|`-separated strings containing logging methods allowed
-     * in that logging level. These strings are used to create a regular expression
-     * matching the function name being called.
-     *
-     * Levels provided by Video.js are:
-     *
-     * - `off`: Matches no calls. Any value that can be cast to `false` will have
-     *   this effect. The most restrictive.
-     * - `all`: Matches only Video.js-provided functions (`debug`, `log`,
-     *   `log.warn`, and `log.error`).
-     * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.
-     * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.
-     * - `warn`: Matches `log.warn` and `log.error` calls.
-     * - `error`: Matches only `log.error` calls.
-     *
-     * @type {Object}
-     */
-    log.levels = {
-      all: 'debug|log|warn|error',
-      off: '',
-      debug: 'debug|log|warn|error',
-      info: 'log|warn|error',
-      warn: 'warn|error',
-      error: 'error',
-      DEFAULT: level
-    };
-
-    /**
-     * Get or set the current logging level.
-     *
-     * If a string matching a key from {@link module:log.levels} is provided, acts
-     * as a setter.
-     *
-     * @param  {'all'|'debug'|'info'|'warn'|'error'|'off'} [lvl]
-     *         Pass a valid level to set a new logging level.
-     *
-     * @return {string}
-     *         The current logging level.
-     */
-    log.level = lvl => {
-      if (typeof lvl === 'string') {
-        if (!log.levels.hasOwnProperty(lvl)) {
-          throw new Error(`"${lvl}" in not a valid log level`);
-        }
-        level = lvl;
-      }
-      return level;
-    };
-
-    /**
-     * Returns an array containing everything that has been logged to the history.
-     *
-     * This array is a shallow clone of the internal history record. However, its
-     * contents are _not_ cloned; so, mutating objects inside this array will
-     * mutate them in history.
-     *
-     * @return {Array}
-     */
-    log.history = () => history ? [].concat(history) : [];
-
-    /**
-     * Allows you to filter the history by the given logger name
-     *
-     * @param {string} fname
-     *        The name to filter by
-     *
-     * @return {Array}
-     *         The filtered list to return
-     */
-    log.history.filter = fname => {
-      return (history || []).filter(historyItem => {
-        // if the first item in each historyItem includes `fname`, then it's a match
-        return new RegExp(`.*${fname}.*`).test(historyItem[0]);
-      });
-    };
-
-    /**
-     * Clears the internal history tracking, but does not prevent further history
-     * tracking.
-     */
-    log.history.clear = () => {
-      if (history) {
-        history.length = 0;
-      }
-    };
-
-    /**
-     * Disable history tracking if it is currently enabled.
-     */
-    log.history.disable = () => {
-      if (history !== null) {
-        history.length = 0;
-        history = null;
-      }
-    };
-
-    /**
-     * Enable history tracking if it is currently disabled.
-     */
-    log.history.enable = () => {
-      if (history === null) {
-        history = [];
-      }
-    };
-
-    /**
-     * Logs error messages. Similar to `console.error`.
-     *
-     * @param {...*} args
-     *        One or more messages or objects that should be logged as an error
-     */
-    log.error = (...args) => logByType('error', level, args);
-
-    /**
-     * Logs warning messages. Similar to `console.warn`.
-     *
-     * @param {...*} args
-     *        One or more messages or objects that should be logged as a warning.
-     */
-    log.warn = (...args) => logByType('warn', level, args);
-
-    /**
-     * Logs debug messages. Similar to `console.debug`, but may also act as a comparable
-     * log if `console.debug` is not available
-     *
-     * @param {...*} args
-     *        One or more messages or objects that should be logged as debug.
-     */
-    log.debug = (...args) => logByType('debug', level, args);
-    return log;
-  }
-
-  /**
-   * @file log.js
-   * @module log
-   */
-  const log = createLogger$1('VIDEOJS');
-  const createLogger = log.createLogger;
-
-  /**
-   * @file obj.js
-   * @module obj
-   */
-
-  /**
-   * @callback obj:EachCallback
-   *
-   * @param {*} value
-   *        The current key for the object that is being iterated over.
-   *
-   * @param {string} key
-   *        The current key-value for object that is being iterated over
-   */
-
-  /**
-   * @callback obj:ReduceCallback
-   *
-   * @param {*} accum
-   *        The value that is accumulating over the reduce loop.
-   *
-   * @param {*} value
-   *        The current key for the object that is being iterated over.
-   *
-   * @param {string} key
-   *        The current key-value for object that is being iterated over
-   *
-   * @return {*}
-   *         The new accumulated value.
-   */
-  const toString$1 = Object.prototype.toString;
-
-  /**
-   * Get the keys of an Object
-   *
-   * @param {Object}
-   *        The Object to get the keys from
-   *
-   * @return {string[]}
-   *         An array of the keys from the object. Returns an empty array if the
-   *         object passed in was invalid or had no keys.
-   *
-   * @private
-   */
-  const keys = function (object) {
-    return isObject(object) ? Object.keys(object) : [];
-  };
-
-  /**
-   * Array-like iteration for objects.
-   *
-   * @param {Object} object
-   *        The object to iterate over
-   *
-   * @param {obj:EachCallback} fn
-   *        The callback function which is called for each key in the object.
-   */
-  function each(object, fn) {
-    keys(object).forEach(key => fn(object[key], key));
-  }
-
-  /**
-   * Array-like reduce for objects.
-   *
-   * @param {Object} object
-   *        The Object that you want to reduce.
-   *
-   * @param {Function} fn
-   *         A callback function which is called for each key in the object. It
-   *         receives the accumulated value and the per-iteration value and key
-   *         as arguments.
-   *
-   * @param {*} [initial = 0]
-   *        Starting value
-   *
-   * @return {*}
-   *         The final accumulated value.
-   */
-  function reduce(object, fn, initial = 0) {
-    return keys(object).reduce((accum, key) => fn(accum, object[key], key), initial);
-  }
-
-  /**
-   * Returns whether a value is an object of any kind - including DOM nodes,
-   * arrays, regular expressions, etc. Not functions, though.
-   *
-   * This avoids the gotcha where using `typeof` on a `null` value
-   * results in `'object'`.
-   *
-   * @param  {Object} value
-   * @return {boolean}
-   */
-  function isObject(value) {
-    return !!value && typeof value === 'object';
-  }
-
-  /**
-   * Returns whether an object appears to be a "plain" object - that is, a
-   * direct instance of `Object`.
-   *
-   * @param  {Object} value
-   * @return {boolean}
-   */
-  function isPlain(value) {
-    return isObject(value) && toString$1.call(value) === '[object Object]' && value.constructor === Object;
-  }
-
-  /**
-   * Merge two objects recursively.
-   *
-   * Performs a deep merge like
-   * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges
-   * plain objects (not arrays, elements, or anything else).
-   *
-   * Non-plain object values will be copied directly from the right-most
-   * argument.
-   *
-   * @param   {Object[]} sources
-   *          One or more objects to merge into a new object.
-   *
-   * @return {Object}
-   *          A new object that is the merged result of all sources.
-   */
-  function merge(...sources) {
-    const result = {};
-    sources.forEach(source => {
-      if (!source) {
-        return;
-      }
-      each(source, (value, key) => {
-        if (!isPlain(value)) {
-          result[key] = value;
-          return;
-        }
-        if (!isPlain(result[key])) {
-          result[key] = {};
-        }
-        result[key] = merge(result[key], value);
-      });
-    });
-    return result;
-  }
-
-  /**
-   * Returns an array of values for a given object
-   *
-   * @param  {Object} source - target object
-   * @return {Array<unknown>} - object values
-   */
-  function values(source = {}) {
-    const result = [];
-    for (const key in source) {
-      if (source.hasOwnProperty(key)) {
-        const value = source[key];
-        result.push(value);
-      }
-    }
-    return result;
-  }
-
-  /**
-   * Object.defineProperty but "lazy", which means that the value is only set after
-   * it is retrieved the first time, rather than being set right away.
-   *
-   * @param {Object} obj the object to set the property on
-   * @param {string} key the key for the property to set
-   * @param {Function} getValue the function used to get the value when it is needed.
-   * @param {boolean} setter whether a setter should be allowed or not
-   */
-  function defineLazyProperty(obj, key, getValue, setter = true) {
-    const set = value => Object.defineProperty(obj, key, {
-      value,
-      enumerable: true,
-      writable: true
-    });
-    const options = {
-      configurable: true,
-      enumerable: true,
-      get() {
-        const value = getValue();
-        set(value);
-        return value;
-      }
-    };
-    if (setter) {
-      options.set = set;
-    }
-    return Object.defineProperty(obj, key, options);
-  }
-
-  var Obj = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    each: each,
-    reduce: reduce,
-    isObject: isObject,
-    isPlain: isPlain,
-    merge: merge,
-    values: values,
-    defineLazyProperty: defineLazyProperty
-  });
-
-  /**
-   * @file browser.js
-   * @module browser
-   */
-
-  /**
-   * Whether or not this device is an iPod.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_IPOD = false;
-
-  /**
-   * The detected iOS version - or `null`.
-   *
-   * @static
-   * @type {string|null}
-   */
-  let IOS_VERSION = null;
-
-  /**
-   * Whether or not this is an Android device.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_ANDROID = false;
-
-  /**
-   * The detected Android version - or `null` if not Android or indeterminable.
-   *
-   * @static
-   * @type {number|string|null}
-   */
-  let ANDROID_VERSION;
-
-  /**
-   * Whether or not this is Mozilla Firefox.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_FIREFOX = false;
-
-  /**
-   * Whether or not this is Microsoft Edge.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_EDGE = false;
-
-  /**
-   * Whether or not this is any Chromium Browser
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_CHROMIUM = false;
-
-  /**
-   * Whether or not this is any Chromium browser that is not Edge.
-   *
-   * This will also be `true` for Chrome on iOS, which will have different support
-   * as it is actually Safari under the hood.
-   *
-   * Deprecated, as the behaviour to not match Edge was to prevent Legacy Edge's UA matching.
-   * IS_CHROMIUM should be used instead.
-   * "Chromium but not Edge" could be explicitly tested with IS_CHROMIUM && !IS_EDGE
-   *
-   * @static
-   * @deprecated
-   * @type {Boolean}
-   */
-  let IS_CHROME = false;
-
-  /**
-   * The detected Chromium version - or `null`.
-   *
-   * @static
-   * @type {number|null}
-   */
-  let CHROMIUM_VERSION = null;
-
-  /**
-   * The detected Google Chrome version - or `null`.
-   * This has always been the _Chromium_ version, i.e. would return on Chromium Edge.
-   * Deprecated, use CHROMIUM_VERSION instead.
-   *
-   * @static
-   * @deprecated
-   * @type {number|null}
-   */
-  let CHROME_VERSION = null;
-
-  /**
-   * The detected Internet Explorer version - or `null`.
-   *
-   * @static
-   * @deprecated
-   * @type {number|null}
-   */
-  let IE_VERSION = null;
-
-  /**
-   * Whether or not this is desktop Safari.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_SAFARI = false;
-
-  /**
-   * Whether or not this is a Windows machine.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_WINDOWS = false;
-
-  /**
-   * Whether or not this device is an iPad.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_IPAD = false;
-
-  /**
-   * Whether or not this device is an iPhone.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  // The Facebook app's UIWebView identifies as both an iPhone and iPad, so
-  // to identify iPhones, we need to exclude iPads.
-  // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
-  let IS_IPHONE = false;
-
-  /**
-   * Whether or not this is a Tizen device.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_TIZEN = false;
-
-  /**
-   * Whether or not this is a WebOS device.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_WEBOS = false;
-
-  /**
-   * Whether or not this is a Smart TV (Tizen or WebOS) device.
-   *
-   * @static
-   * @type {Boolean}
-   */
-  let IS_SMART_TV = false;
-
-  /**
-   * Whether or not this device is touch-enabled.
-   *
-   * @static
-   * @const
-   * @type {Boolean}
-   */
-  const TOUCH_ENABLED = Boolean(isReal() && ('ontouchstart' in window || window.navigator.maxTouchPoints || window.DocumentTouch && window.document instanceof window.DocumentTouch));
-  const UAD = window.navigator && window.navigator.userAgentData;
-  if (UAD && UAD.platform && UAD.brands) {
-    // If userAgentData is present, use it instead of userAgent to avoid warnings
-    // Currently only implemented on Chromium
-    // userAgentData does not expose Android version, so ANDROID_VERSION remains `null`
-
-    IS_ANDROID = UAD.platform === 'Android';
-    IS_EDGE = Boolean(UAD.brands.find(b => b.brand === 'Microsoft Edge'));
-    IS_CHROMIUM = Boolean(UAD.brands.find(b => b.brand === 'Chromium'));
-    IS_CHROME = !IS_EDGE && IS_CHROMIUM;
-    CHROMIUM_VERSION = CHROME_VERSION = (UAD.brands.find(b => b.brand === 'Chromium') || {}).version || null;
-    IS_WINDOWS = UAD.platform === 'Windows';
-  }
-
-  // If the browser is not Chromium, either userAgentData is not present which could be an old Chromium browser,
-  //  or it's a browser that has added userAgentData since that we don't have tests for yet. In either case,
-  // the checks need to be made agiainst the regular userAgent string.
-  if (!IS_CHROMIUM) {
-    const USER_AGENT = window.navigator && window.navigator.userAgent || '';
-    IS_IPOD = /iPod/i.test(USER_AGENT);
-    IOS_VERSION = function () {
-      const match = USER_AGENT.match(/OS (\d+)_/i);
-      if (match && match[1]) {
-        return match[1];
-      }
-      return null;
-    }();
-    IS_ANDROID = /Android/i.test(USER_AGENT);
-    ANDROID_VERSION = function () {
-      // This matches Android Major.Minor.Patch versions
-      // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
-      const match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
-      if (!match) {
-        return null;
-      }
-      const major = match[1] && parseFloat(match[1]);
-      const minor = match[2] && parseFloat(match[2]);
-      if (major && minor) {
-        return parseFloat(match[1] + '.' + match[2]);
-      } else if (major) {
-        return major;
-      }
-      return null;
-    }();
-    IS_FIREFOX = /Firefox/i.test(USER_AGENT);
-    IS_EDGE = /Edg/i.test(USER_AGENT);
-    IS_CHROMIUM = /Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT);
-    IS_CHROME = !IS_EDGE && IS_CHROMIUM;
-    CHROMIUM_VERSION = CHROME_VERSION = function () {
-      const match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/);
-      if (match && match[2]) {
-        return parseFloat(match[2]);
-      }
-      return null;
-    }();
-    IE_VERSION = function () {
-      const result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
-      let version = result && parseFloat(result[1]);
-      if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
-        // IE 11 has a different user agent string than other IE versions
-        version = 11.0;
-      }
-      return version;
-    }();
-    IS_TIZEN = /Tizen/i.test(USER_AGENT);
-    IS_WEBOS = /Web0S/i.test(USER_AGENT);
-    IS_SMART_TV = IS_TIZEN || IS_WEBOS;
-    IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE && !IS_SMART_TV;
-    IS_WINDOWS = /Windows/i.test(USER_AGENT);
-    IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT);
-    IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
-  }
-
-  /**
-   * Whether or not this is an iOS device.
-   *
-   * @static
-   * @const
-   * @type {Boolean}
-   */
-  const IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
-
-  /**
-   * Whether or not this is any flavor of Safari - including iOS.
-   *
-   * @static
-   * @const
-   * @type {Boolean}
-   */
-  const IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;
-
-  var browser = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    get IS_IPOD () { return IS_IPOD; },
-    get IOS_VERSION () { return IOS_VERSION; },
-    get IS_ANDROID () { return IS_ANDROID; },
-    get ANDROID_VERSION () { return ANDROID_VERSION; },
-    get IS_FIREFOX () { return IS_FIREFOX; },
-    get IS_EDGE () { return IS_EDGE; },
-    get IS_CHROMIUM () { return IS_CHROMIUM; },
-    get IS_CHROME () { return IS_CHROME; },
-    get CHROMIUM_VERSION () { return CHROMIUM_VERSION; },
-    get CHROME_VERSION () { return CHROME_VERSION; },
-    get IE_VERSION () { return IE_VERSION; },
-    get IS_SAFARI () { return IS_SAFARI; },
-    get IS_WINDOWS () { return IS_WINDOWS; },
-    get IS_IPAD () { return IS_IPAD; },
-    get IS_IPHONE () { return IS_IPHONE; },
-    get IS_TIZEN () { return IS_TIZEN; },
-    get IS_WEBOS () { return IS_WEBOS; },
-    get IS_SMART_TV () { return IS_SMART_TV; },
-    TOUCH_ENABLED: TOUCH_ENABLED,
-    IS_IOS: IS_IOS,
-    IS_ANY_SAFARI: IS_ANY_SAFARI
-  });
-
-  /**
-   * @file dom.js
-   * @module dom
-   */
-
-  /**
-   * Detect if a value is a string with any non-whitespace characters.
-   *
-   * @private
-   * @param  {string} str
-   *         The string to check
-   *
-   * @return {boolean}
-   *         Will be `true` if the string is non-blank, `false` otherwise.
-   *
-   */
-  function isNonBlankString(str) {
-    // we use str.trim as it will trim any whitespace characters
-    // from the front or back of non-whitespace characters. aka
-    // Any string that contains non-whitespace characters will
-    // still contain them after `trim` but whitespace only strings
-    // will have a length of 0, failing this check.
-    return typeof str === 'string' && Boolean(str.trim());
-  }
-
-  /**
-   * Throws an error if the passed string has whitespace. This is used by
-   * class methods to be relatively consistent with the classList API.
-   *
-   * @private
-   * @param  {string} str
-   *         The string to check for whitespace.
-   *
-   * @throws {Error}
-   *         Throws an error if there is whitespace in the string.
-   */
-  function throwIfWhitespace(str) {
-    // str.indexOf instead of regex because str.indexOf is faster performance wise.
-    if (str.indexOf(' ') >= 0) {
-      throw new Error('class has illegal whitespace characters');
-    }
-  }
-
-  /**
-   * Whether the current DOM interface appears to be real (i.e. not simulated).
-   *
-   * @return {boolean}
-   *         Will be `true` if the DOM appears to be real, `false` otherwise.
-   */
-  function isReal() {
-    // Both document and window will never be undefined thanks to `global`.
-    return document === window.document;
-  }
-
-  /**
-   * Determines, via duck typing, whether or not a value is a DOM element.
-   *
-   * @param  {*} value
-   *         The value to check.
-   *
-   * @return {boolean}
-   *         Will be `true` if the value is a DOM element, `false` otherwise.
-   */
-  function isEl(value) {
-    return isObject(value) && value.nodeType === 1;
-  }
-
-  /**
-   * Determines if the current DOM is embedded in an iframe.
-   *
-   * @return {boolean}
-   *         Will be `true` if the DOM is embedded in an iframe, `false`
-   *         otherwise.
-   */
-  function isInFrame() {
-    // We need a try/catch here because Safari will throw errors when attempting
-    // to get either `parent` or `self`
-    try {
-      return window.parent !== window.self;
-    } catch (x) {
-      return true;
-    }
-  }
-
-  /**
-   * Creates functions to query the DOM using a given method.
-   *
-   * @private
-   * @param   {string} method
-   *          The method to create the query with.
-   *
-   * @return  {Function}
-   *          The query method
-   */
-  function createQuerier(method) {
-    return function (selector, context) {
-      if (!isNonBlankString(selector)) {
-        return document[method](null);
-      }
-      if (isNonBlankString(context)) {
-        context = document.querySelector(context);
-      }
-      const ctx = isEl(context) ? context : document;
-      return ctx[method] && ctx[method](selector);
-    };
-  }
-
-  /**
-   * Creates an element and applies properties, attributes, and inserts content.
-   *
-   * @param  {string} [tagName='div']
-   *         Name of tag to be created.
-   *
-   * @param  {Object} [properties={}]
-   *         Element properties to be applied.
-   *
-   * @param  {Object} [attributes={}]
-   *         Element attributes to be applied.
-   *
-   * @param {ContentDescriptor} [content]
-   *        A content descriptor object.
-   *
-   * @return {Element}
-   *         The element that was created.
-   */
-  function createEl(tagName = 'div', properties = {}, attributes = {}, content) {
-    const el = document.createElement(tagName);
-    Object.getOwnPropertyNames(properties).forEach(function (propName) {
-      const val = properties[propName];
-
-      // Handle textContent since it's not supported everywhere and we have a
-      // method for it.
-      if (propName === 'textContent') {
-        textContent(el, val);
-      } else if (el[propName] !== val || propName === 'tabIndex') {
-        el[propName] = val;
-      }
-    });
-    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
-      el.setAttribute(attrName, attributes[attrName]);
-    });
-    if (content) {
-      appendContent(el, content);
-    }
-    return el;
-  }
-
-  /**
-   * Injects text into an element, replacing any existing contents entirely.
-   *
-   * @param  {HTMLElement} el
-   *         The element to add text content into
-   *
-   * @param  {string} text
-   *         The text content to add.
-   *
-   * @return {Element}
-   *         The element with added text content.
-   */
-  function textContent(el, text) {
-    if (typeof el.textContent === 'undefined') {
-      el.innerText = text;
-    } else {
-      el.textContent = text;
-    }
-    return el;
-  }
-
-  /**
-   * Insert an element as the first child node of another
-   *
-   * @param {Element} child
-   *        Element to insert
-   *
-   * @param {Element} parent
-   *        Element to insert child into
-   */
-  function prependTo(child, parent) {
-    if (parent.firstChild) {
-      parent.insertBefore(child, parent.firstChild);
-    } else {
-      parent.appendChild(child);
-    }
-  }
-
-  /**
-   * Check if an element has a class name.
-   *
-   * @param  {Element} element
-   *         Element to check
-   *
-   * @param  {string} classToCheck
-   *         Class name to check for
-   *
-   * @return {boolean}
-   *         Will be `true` if the element has a class, `false` otherwise.
-   *
-   * @throws {Error}
-   *         Throws an error if `classToCheck` has white space.
-   */
-  function hasClass(element, classToCheck) {
-    throwIfWhitespace(classToCheck);
-    return element.classList.contains(classToCheck);
-  }
-
-  /**
-   * Add a class name to an element.
-   *
-   * @param  {Element} element
-   *         Element to add class name to.
-   *
-   * @param  {...string} classesToAdd
-   *         One or more class name to add.
-   *
-   * @return {Element}
-   *         The DOM element with the added class name.
-   */
-  function addClass(element, ...classesToAdd) {
-    element.classList.add(...classesToAdd.reduce((prev, current) => prev.concat(current.split(/\s+/)), []));
-    return element;
-  }
-
-  /**
-   * Remove a class name from an element.
-   *
-   * @param  {Element} element
-   *         Element to remove a class name from.
-   *
-   * @param  {...string} classesToRemove
-   *         One or more class name to remove.
-   *
-   * @return {Element}
-   *         The DOM element with class name removed.
-   */
-  function removeClass(element, ...classesToRemove) {
-    // Protect in case the player gets disposed
-    if (!element) {
-      log.warn("removeClass was called with an element that doesn't exist");
-      return null;
-    }
-    element.classList.remove(...classesToRemove.reduce((prev, current) => prev.concat(current.split(/\s+/)), []));
-    return element;
-  }
-
-  /**
-   * The callback definition for toggleClass.
-   *
-   * @callback module:dom~PredicateCallback
-   * @param    {Element} element
-   *           The DOM element of the Component.
-   *
-   * @param    {string} classToToggle
-   *           The `className` that wants to be toggled
-   *
-   * @return   {boolean|undefined}
-   *           If `true` is returned, the `classToToggle` will be added to the
-   *           `element`. If `false`, the `classToToggle` will be removed from
-   *           the `element`. If `undefined`, the callback will be ignored.
-   */
-
-  /**
-   * Adds or removes a class name to/from an element depending on an optional
-   * condition or the presence/absence of the class name.
-   *
-   * @param  {Element} element
-   *         The element to toggle a class name on.
-   *
-   * @param  {string} classToToggle
-   *         The class that should be toggled.
-   *
-   * @param  {boolean|module:dom~PredicateCallback} [predicate]
-   *         See the return value for {@link module:dom~PredicateCallback}
-   *
-   * @return {Element}
-   *         The element with a class that has been toggled.
-   */
-  function toggleClass(element, classToToggle, predicate) {
-    if (typeof predicate === 'function') {
-      predicate = predicate(element, classToToggle);
-    }
-    if (typeof predicate !== 'boolean') {
-      predicate = undefined;
-    }
-    classToToggle.split(/\s+/).forEach(className => element.classList.toggle(className, predicate));
-    return element;
-  }
-
-  /**
-   * Apply attributes to an HTML element.
-   *
-   * @param {Element} el
-   *        Element to add attributes to.
-   *
-   * @param {Object} [attributes]
-   *        Attributes to be applied.
-   */
-  function setAttributes(el, attributes) {
-    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
-      const attrValue = attributes[attrName];
-      if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
-        el.removeAttribute(attrName);
-      } else {
-        el.setAttribute(attrName, attrValue === true ? '' : attrValue);
-      }
-    });
-  }
-
-  /**
-   * Get an element's attribute values, as defined on the HTML tag.
-   *
-   * Attributes are not the same as properties. They're defined on the tag
-   * or with setAttribute.
-   *
-   * @param  {Element} tag
-   *         Element from which to get tag attributes.
-   *
-   * @return {Object}
-   *         All attributes of the element. Boolean attributes will be `true` or
-   *         `false`, others will be strings.
-   */
-  function getAttributes(tag) {
-    const obj = {};
-
-    // known boolean attributes
-    // we can check for matching boolean properties, but not all browsers
-    // and not all tags know about these attributes, so, we still want to check them manually
-    const knownBooleans = ['autoplay', 'controls', 'playsinline', 'loop', 'muted', 'default', 'defaultMuted'];
-    if (tag && tag.attributes && tag.attributes.length > 0) {
-      const attrs = tag.attributes;
-      for (let i = attrs.length - 1; i >= 0; i--) {
-        const attrName = attrs[i].name;
-        /** @type {boolean|string} */
-        let attrVal = attrs[i].value;
-
-        // check for known booleans
-        // the matching element property will return a value for typeof
-        if (knownBooleans.includes(attrName)) {
-          // the value of an included boolean attribute is typically an empty
-          // string ('') which would equal false if we just check for a false value.
-          // we also don't want support bad code like autoplay='false'
-          attrVal = attrVal !== null ? true : false;
-        }
-        obj[attrName] = attrVal;
-      }
-    }
-    return obj;
-  }
-
-  /**
-   * Get the value of an element's attribute.
-   *
-   * @param {Element} el
-   *        A DOM element.
-   *
-   * @param {string} attribute
-   *        Attribute to get the value of.
-   *
-   * @return {string}
-   *         The value of the attribute.
-   */
-  function getAttribute(el, attribute) {
-    return el.getAttribute(attribute);
-  }
-
-  /**
-   * Set the value of an element's attribute.
-   *
-   * @param {Element} el
-   *        A DOM element.
-   *
-   * @param {string} attribute
-   *        Attribute to set.
-   *
-   * @param {string} value
-   *        Value to set the attribute to.
-   */
-  function setAttribute(el, attribute, value) {
-    el.setAttribute(attribute, value);
-  }
-
-  /**
-   * Remove an element's attribute.
-   *
-   * @param {Element} el
-   *        A DOM element.
-   *
-   * @param {string} attribute
-   *        Attribute to remove.
-   */
-  function removeAttribute(el, attribute) {
-    el.removeAttribute(attribute);
-  }
-
-  /**
-   * Attempt to block the ability to select text.
-   */
-  function blockTextSelection() {
-    document.body.focus();
-    document.onselectstart = function () {
-      return false;
-    };
-  }
-
-  /**
-   * Turn off text selection blocking.
-   */
-  function unblockTextSelection() {
-    document.onselectstart = function () {
-      return true;
-    };
-  }
-
-  /**
-   * Identical to the native `getBoundingClientRect` function, but ensures that
-   * the method is supported at all (it is in all browsers we claim to support)
-   * and that the element is in the DOM before continuing.
-   *
-   * This wrapper function also shims properties which are not provided by some
-   * older browsers (namely, IE8).
-   *
-   * Additionally, some browsers do not support adding properties to a
-   * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
-   * properties (except `x` and `y` which are not widely supported). This helps
-   * avoid implementations where keys are non-enumerable.
-   *
-   * @param  {Element} el
-   *         Element whose `ClientRect` we want to calculate.
-   *
-   * @return {Object|undefined}
-   *         Always returns a plain object - or `undefined` if it cannot.
-   */
-  function getBoundingClientRect(el) {
-    if (el && el.getBoundingClientRect && el.parentNode) {
-      const rect = el.getBoundingClientRect();
-      const result = {};
-      ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(k => {
-        if (rect[k] !== undefined) {
-          result[k] = rect[k];
-        }
-      });
-      if (!result.height) {
-        result.height = parseFloat(computedStyle(el, 'height'));
-      }
-      if (!result.width) {
-        result.width = parseFloat(computedStyle(el, 'width'));
-      }
-      return result;
-    }
-  }
-
-  /**
-   * Represents the position of a DOM element on the page.
-   *
-   * @typedef  {Object} module:dom~Position
-   *
-   * @property {number} left
-   *           Pixels to the left.
-   *
-   * @property {number} top
-   *           Pixels from the top.
-   */
-
-  /**
-   * Get the position of an element in the DOM.
-   *
-   * Uses `getBoundingClientRect` technique from John Resig.
-   *
-   * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
-   *
-   * @param  {Element} el
-   *         Element from which to get offset.
-   *
-   * @return {module:dom~Position}
-   *         The position of the element that was passed in.
-   */
-  function findPosition(el) {
-    if (!el || el && !el.offsetParent) {
-      return {
-        left: 0,
-        top: 0,
-        width: 0,
-        height: 0
-      };
-    }
-    const width = el.offsetWidth;
-    const height = el.offsetHeight;
-    let left = 0;
-    let top = 0;
-    while (el.offsetParent && el !== document[FullscreenApi.fullscreenElement]) {
-      left += el.offsetLeft;
-      top += el.offsetTop;
-      el = el.offsetParent;
-    }
-    return {
-      left,
-      top,
-      width,
-      height
-    };
-  }
-
-  /**
-   * Represents x and y coordinates for a DOM element or mouse pointer.
-   *
-   * @typedef  {Object} module:dom~Coordinates
-   *
-   * @property {number} x
-   *           x coordinate in pixels
-   *
-   * @property {number} y
-   *           y coordinate in pixels
-   */
-
-  /**
-   * Get the pointer position within an element.
-   *
-   * The base on the coordinates are the bottom left of the element.
-   *
-   * @param  {Element} el
-   *         Element on which to get the pointer position on.
-   *
-   * @param  {Event} event
-   *         Event object.
-   *
-   * @return {module:dom~Coordinates}
-   *         A coordinates object corresponding to the mouse position.
-   *
-   */
-  function getPointerPosition(el, event) {
-    const translated = {
-      x: 0,
-      y: 0
-    };
-    if (IS_IOS) {
-      let item = el;
-      while (item && item.nodeName.toLowerCase() !== 'html') {
-        const transform = computedStyle(item, 'transform');
-        if (/^matrix/.test(transform)) {
-          const values = transform.slice(7, -1).split(/,\s/).map(Number);
-          translated.x += values[4];
-          translated.y += values[5];
-        } else if (/^matrix3d/.test(transform)) {
-          const values = transform.slice(9, -1).split(/,\s/).map(Number);
-          translated.x += values[12];
-          translated.y += values[13];
-        }
-        item = item.parentNode;
-      }
-    }
-    const position = {};
-    const boxTarget = findPosition(event.target);
-    const box = findPosition(el);
-    const boxW = box.width;
-    const boxH = box.height;
-    let offsetY = event.offsetY - (box.top - boxTarget.top);
-    let offsetX = event.offsetX - (box.left - boxTarget.left);
-    if (event.changedTouches) {
-      offsetX = event.changedTouches[0].pageX - box.left;
-      offsetY = event.changedTouches[0].pageY + box.top;
-      if (IS_IOS) {
-        offsetX -= translated.x;
-        offsetY -= translated.y;
-      }
-    }
-    position.y = 1 - Math.max(0, Math.min(1, offsetY / boxH));
-    position.x = Math.max(0, Math.min(1, offsetX / boxW));
-    return position;
-  }
-
-  /**
-   * Determines, via duck typing, whether or not a value is a text node.
-   *
-   * @param  {*} value
-   *         Check if this value is a text node.
-   *
-   * @return {boolean}
-   *         Will be `true` if the value is a text node, `false` otherwise.
-   */
-  function isTextNode(value) {
-    return isObject(value) && value.nodeType === 3;
-  }
-
-  /**
-   * Empties the contents of an element.
-   *
-   * @param  {Element} el
-   *         The element to empty children from
-   *
-   * @return {Element}
-   *         The element with no children
-   */
-  function emptyEl(el) {
-    while (el.firstChild) {
-      el.removeChild(el.firstChild);
-    }
-    return el;
-  }
-
-  /**
-   * This is a mixed value that describes content to be injected into the DOM
-   * via some method. It can be of the following types:
-   *
-   * Type       | Description
-   * -----------|-------------
-   * `string`   | The value will be normalized into a text node.
-   * `Element`  | The value will be accepted as-is.
-   * `Text`     | A TextNode. The value will be accepted as-is.
-   * `Array`    | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored).
-   * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes.
-   *
-   * @typedef {string|Element|Text|Array|Function} ContentDescriptor
-   */
-
-  /**
-   * Normalizes content for eventual insertion into the DOM.
-   *
-   * This allows a wide range of content definition methods, but helps protect
-   * from falling into the trap of simply writing to `innerHTML`, which could
-   * be an XSS concern.
-   *
-   * The content for an element can be passed in multiple types and
-   * combinations, whose behavior is as follows:
-   *
-   * @param {ContentDescriptor} content
-   *        A content descriptor value.
-   *
-   * @return {Array}
-   *         All of the content that was passed in, normalized to an array of
-   *         elements or text nodes.
-   */
-  function normalizeContent(content) {
-    // First, invoke content if it is a function. If it produces an array,
-    // that needs to happen before normalization.
-    if (typeof content === 'function') {
-      content = content();
-    }
-
-    // Next up, normalize to an array, so one or many items can be normalized,
-    // filtered, and returned.
-    return (Array.isArray(content) ? content : [content]).map(value => {
-      // First, invoke value if it is a function to produce a new value,
-      // which will be subsequently normalized to a Node of some kind.
-      if (typeof value === 'function') {
-        value = value();
-      }
-      if (isEl(value) || isTextNode(value)) {
-        return value;
-      }
-      if (typeof value === 'string' && /\S/.test(value)) {
-        return document.createTextNode(value);
-      }
-    }).filter(value => value);
-  }
-
-  /**
-   * Normalizes and appends content to an element.
-   *
-   * @param  {Element} el
-   *         Element to append normalized content to.
-   *
-   * @param {ContentDescriptor} content
-   *        A content descriptor value.
-   *
-   * @return {Element}
-   *         The element with appended normalized content.
-   */
-  function appendContent(el, content) {
-    normalizeContent(content).forEach(node => el.appendChild(node));
-    return el;
-  }
-
-  /**
-   * Normalizes and inserts content into an element; this is identical to
-   * `appendContent()`, except it empties the element first.
-   *
-   * @param {Element} el
-   *        Element to insert normalized content into.
-   *
-   * @param {ContentDescriptor} content
-   *        A content descriptor value.
-   *
-   * @return {Element}
-   *         The element with inserted normalized content.
-   */
-  function insertContent(el, content) {
-    return appendContent(emptyEl(el), content);
-  }
-
-  /**
-   * Check if an event was a single left click.
-   *
-   * @param  {MouseEvent} event
-   *         Event object.
-   *
-   * @return {boolean}
-   *         Will be `true` if a single left click, `false` otherwise.
-   */
-  function isSingleLeftClick(event) {
-    // Note: if you create something draggable, be sure to
-    // call it on both `mousedown` and `mousemove` event,
-    // otherwise `mousedown` should be enough for a button
-
-    if (event.button === undefined && event.buttons === undefined) {
-      // Why do we need `buttons` ?
-      // Because, middle mouse sometimes have this:
-      // e.button === 0 and e.buttons === 4
-      // Furthermore, we want to prevent combination click, something like
-      // HOLD middlemouse then left click, that would be
-      // e.button === 0, e.buttons === 5
-      // just `button` is not gonna work
-
-      // Alright, then what this block does ?
-      // this is for chrome `simulate mobile devices`
-      // I want to support this as well
-
-      return true;
-    }
-    if (event.button === 0 && event.buttons === undefined) {
-      // Touch screen, sometimes on some specific device, `buttons`
-      // doesn't have anything (safari on ios, blackberry...)
-
-      return true;
-    }
-
-    // `mouseup` event on a single left click has
-    // `button` and `buttons` equal to 0
-    if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) {
-      return true;
-    }
-    if (event.button !== 0 || event.buttons !== 1) {
-      // This is the reason we have those if else block above
-      // if any special case we can catch and let it slide
-      // we do it above, when get to here, this definitely
-      // is-not-left-click
-
-      return false;
-    }
-    return true;
-  }
-
-  /**
-   * Finds a single DOM element matching `selector` within the optional
-   * `context` of another DOM element (defaulting to `document`).
-   *
-   * @param  {string} selector
-   *         A valid CSS selector, which will be passed to `querySelector`.
-   *
-   * @param  {Element|String} [context=document]
-   *         A DOM element within which to query. Can also be a selector
-   *         string in which case the first matching element will be used
-   *         as context. If missing (or no element matches selector), falls
-   *         back to `document`.
-   *
-   * @return {Element|null}
-   *         The element that was found or null.
-   */
-  const $ = createQuerier('querySelector');
-
-  /**
-   * Finds a all DOM elements matching `selector` within the optional
-   * `context` of another DOM element (defaulting to `document`).
-   *
-   * @param  {string} selector
-   *         A valid CSS selector, which will be passed to `querySelectorAll`.
-   *
-   * @param  {Element|String} [context=document]
-   *         A DOM element within which to query. Can also be a selector
-   *         string in which case the first matching element will be used
-   *         as context. If missing (or no element matches selector), falls
-   *         back to `document`.
-   *
-   * @return {NodeList}
-   *         A element list of elements that were found. Will be empty if none
-   *         were found.
-   *
-   */
-  const $$ = createQuerier('querySelectorAll');
-
-  /**
-   * A safe getComputedStyle.
-   *
-   * This is needed because in Firefox, if the player is loaded in an iframe with
-   * `display:none`, then `getComputedStyle` returns `null`, so, we do a
-   * null-check to make sure that the player doesn't break in these cases.
-   *
-   * @param    {Element} el
-   *           The element you want the computed style of
-   *
-   * @param    {string} prop
-   *           The property name you want
-   *
-   * @see      https://bugzilla.mozilla.org/show_bug.cgi?id=548397
-   */
-  function computedStyle(el, prop) {
-    if (!el || !prop) {
-      return '';
-    }
-    if (typeof window.getComputedStyle === 'function') {
-      let computedStyleValue;
-      try {
-        computedStyleValue = window.getComputedStyle(el);
-      } catch (e) {
-        return '';
-      }
-      return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : '';
-    }
-    return '';
-  }
-
-  /**
-   * Copy document style sheets to another window.
-   *
-   * @param    {Window} win
-   *           The window element you want to copy the document style sheets to.
-   *
-   */
-  function copyStyleSheetsToWindow(win) {
-    [...document.styleSheets].forEach(styleSheet => {
-      try {
-        const cssRules = [...styleSheet.cssRules].map(rule => rule.cssText).join('');
-        const style = document.createElement('style');
-        style.textContent = cssRules;
-        win.document.head.appendChild(style);
-      } catch (e) {
-        const link = document.createElement('link');
-        link.rel = 'stylesheet';
-        link.type = styleSheet.type;
-        // For older Safari this has to be the string; on other browsers setting the MediaList works
-        link.media = styleSheet.media.mediaText;
-        link.href = styleSheet.href;
-        win.document.head.appendChild(link);
-      }
-    });
-  }
-
-  var Dom = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    isReal: isReal,
-    isEl: isEl,
-    isInFrame: isInFrame,
-    createEl: createEl,
-    textContent: textContent,
-    prependTo: prependTo,
-    hasClass: hasClass,
-    addClass: addClass,
-    removeClass: removeClass,
-    toggleClass: toggleClass,
-    setAttributes: setAttributes,
-    getAttributes: getAttributes,
-    getAttribute: getAttribute,
-    setAttribute: setAttribute,
-    removeAttribute: removeAttribute,
-    blockTextSelection: blockTextSelection,
-    unblockTextSelection: unblockTextSelection,
-    getBoundingClientRect: getBoundingClientRect,
-    findPosition: findPosition,
-    getPointerPosition: getPointerPosition,
-    isTextNode: isTextNode,
-    emptyEl: emptyEl,
-    normalizeContent: normalizeContent,
-    appendContent: appendContent,
-    insertContent: insertContent,
-    isSingleLeftClick: isSingleLeftClick,
-    $: $,
-    $$: $$,
-    computedStyle: computedStyle,
-    copyStyleSheetsToWindow: copyStyleSheetsToWindow
-  });
-
-  /**
-   * @file setup.js - Functions for setting up a player without
-   * user interaction based on the data-setup `attribute` of the video tag.
-   *
-   * @module setup
-   */
-  let _windowLoaded = false;
-  let videojs$1;
-
-  /**
-   * Set up any tags that have a data-setup `attribute` when the player is started.
-   */
-  const autoSetup = function () {
-    if (videojs$1.options.autoSetup === false) {
-      return;
-    }
-    const vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
-    const audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
-    const divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));
-    const mediaEls = vids.concat(audios, divs);
-
-    // Check if any media elements exist
-    if (mediaEls && mediaEls.length > 0) {
-      for (let i = 0, e = mediaEls.length; i < e; i++) {
-        const mediaEl = mediaEls[i];
-
-        // Check if element exists, has getAttribute func.
-        if (mediaEl && mediaEl.getAttribute) {
-          // Make sure this player hasn't already been set up.
-          if (mediaEl.player === undefined) {
-            const options = mediaEl.getAttribute('data-setup');
-
-            // Check if data-setup attr exists.
-            // We only auto-setup if they've added the data-setup attr.
-            if (options !== null) {
-              // Create new video.js instance.
-              videojs$1(mediaEl);
-            }
-          }
-
-          // If getAttribute isn't defined, we need to wait for the DOM.
-        } else {
-          autoSetupTimeout(1);
-          break;
-        }
-      }
-
-      // No videos were found, so keep looping unless page is finished loading.
-    } else if (!_windowLoaded) {
-      autoSetupTimeout(1);
-    }
-  };
-
-  /**
-   * Wait until the page is loaded before running autoSetup. This will be called in
-   * autoSetup if `hasLoaded` returns false.
-   *
-   * @param {number} wait
-   *        How long to wait in ms
-   *
-   * @param {module:videojs} [vjs]
-   *        The videojs library function
-   */
-  function autoSetupTimeout(wait, vjs) {
-    // Protect against breakage in non-browser environments
-    if (!isReal()) {
-      return;
-    }
-    if (vjs) {
-      videojs$1 = vjs;
-    }
-    window.setTimeout(autoSetup, wait);
-  }
-
-  /**
-   * Used to set the internal tracking of window loaded state to true.
-   *
-   * @private
-   */
-  function setWindowLoaded() {
-    _windowLoaded = true;
-    window.removeEventListener('load', setWindowLoaded);
-  }
-  if (isReal()) {
-    if (document.readyState === 'complete') {
-      setWindowLoaded();
-    } else {
-      /**
-       * Listen for the load event on window, and set _windowLoaded to true.
-       *
-       * We use a standard event listener here to avoid incrementing the GUID
-       * before any players are created.
-       *
-       * @listens load
-       */
-      window.addEventListener('load', setWindowLoaded);
-    }
-  }
-
-  /**
-   * @file stylesheet.js
-   * @module stylesheet
-   */
-
-  /**
-   * Create a DOM style element given a className for it.
-   *
-   * @param {string} className
-   *        The className to add to the created style element.
-   *
-   * @return {Element}
-   *         The element that was created.
-   */
-  const createStyleElement = function (className) {
-    const style = document.createElement('style');
-    style.className = className;
-    return style;
-  };
-
-  /**
-   * Add text to a DOM element.
-   *
-   * @param {Element} el
-   *        The Element to add text content to.
-   *
-   * @param {string} content
-   *        The text to add to the element.
-   */
-  const setTextContent = function (el, content) {
-    if (el.styleSheet) {
-      el.styleSheet.cssText = content;
-    } else {
-      el.textContent = content;
-    }
-  };
-
-  /**
-   * @file dom-data.js
-   * @module dom-data
-   */
-
-  /**
-   * Element Data Store.
-   *
-   * Allows for binding data to an element without putting it directly on the
-   * element. Ex. Event listeners are stored here.
-   * (also from jsninja.com, slightly modified and updated for closure compiler)
-   *
-   * @type {Object}
-   * @private
-   */
-  var DomData = new WeakMap();
-
-  /**
-   * @file guid.js
-   * @module guid
-   */
-
-  // Default value for GUIDs. This allows us to reset the GUID counter in tests.
-  //
-  // The initial GUID is 3 because some users have come to rely on the first
-  // default player ID ending up as `vjs_video_3`.
-  //
-  // See: https://github.com/videojs/video.js/pull/6216
-  const _initialGuid = 3;
-
-  /**
-   * Unique ID for an element or function
-   *
-   * @type {Number}
-   */
-  let _guid = _initialGuid;
-
-  /**
-   * Get a unique auto-incrementing ID by number that has not been returned before.
-   *
-   * @return {number}
-   *         A new unique ID.
-   */
-  function newGUID() {
-    return _guid++;
-  }
-
-  /**
-   * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
-   * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
-   * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
-   * robust as jquery's, so there's probably some differences.
-   *
-   * @file events.js
-   * @module events
-   */
-
-  /**
-   * Clean up the listener cache and dispatchers
-   *
-   * @param {Element|Object} elem
-   *        Element to clean up
-   *
-   * @param {string} type
-   *        Type of event to clean up
-   */
-  function _cleanUpEvents(elem, type) {
-    if (!DomData.has(elem)) {
-      return;
-    }
-    const data = DomData.get(elem);
-
-    // Remove the events of a particular type if there are none left
-    if (data.handlers[type].length === 0) {
-      delete data.handlers[type];
-      // data.handlers[type] = null;
-      // Setting to null was causing an error with data.handlers
-
-      // Remove the meta-handler from the element
-      if (elem.removeEventListener) {
-        elem.removeEventListener(type, data.dispatcher, false);
-      } else if (elem.detachEvent) {
-        elem.detachEvent('on' + type, data.dispatcher);
-      }
-    }
-
-    // Remove the events object if there are no types left
-    if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
-      delete data.handlers;
-      delete data.dispatcher;
-      delete data.disabled;
-    }
-
-    // Finally remove the element data if there is no data left
-    if (Object.getOwnPropertyNames(data).length === 0) {
-      DomData.delete(elem);
-    }
-  }
-
-  /**
-   * Loops through an array of event types and calls the requested method for each type.
-   *
-   * @param {Function} fn
-   *        The event method we want to use.
-   *
-   * @param {Element|Object} elem
-   *        Element or object to bind listeners to
-   *
-   * @param {string[]} types
-   *        Type of event to bind to.
-   *
-   * @param {Function} callback
-   *        Event listener.
-   */
-  function _handleMultipleEvents(fn, elem, types, callback) {
-    types.forEach(function (type) {
-      // Call the event method for each one of the types
-      fn(elem, type, callback);
-    });
-  }
-
-  /**
-   * Fix a native event to have standard property values
-   *
-   * @param {Object} event
-   *        Event object to fix.
-   *
-   * @return {Object}
-   *         Fixed event object.
-   */
-  function fixEvent(event) {
-    if (event.fixed_) {
-      return event;
-    }
-    function returnTrue() {
-      return true;
-    }
-    function returnFalse() {
-      return false;
-    }
-
-    // Test if fixing up is needed
-    // Used to check if !event.stopPropagation instead of isPropagationStopped
-    // But native events return true for stopPropagation, but don't have
-    // other expected methods like isPropagationStopped. Seems to be a problem
-    // with the Javascript Ninja code. So we're just overriding all events now.
-    if (!event || !event.isPropagationStopped || !event.isImmediatePropagationStopped) {
-      const old = event || window.event;
-      event = {};
-      // Clone the old object so that we can modify the values event = {};
-      // IE8 Doesn't like when you mess with native event properties
-      // Firefox returns false for event.hasOwnProperty('type') and other props
-      //  which makes copying more difficult.
-      // TODO: Probably best to create a whitelist of event props
-      for (const key in old) {
-        // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
-        // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
-        // and webkitMovementX/Y
-        // Lighthouse complains if Event.path is copied
-        if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY' && key !== 'path') {
-          // Chrome 32+ warns if you try to copy deprecated returnValue, but
-          // we still want to if preventDefault isn't supported (IE8).
-          if (!(key === 'returnValue' && old.preventDefault)) {
-            event[key] = old[key];
-          }
-        }
-      }
-
-      // The event occurred on this element
-      if (!event.target) {
-        event.target = event.srcElement || document;
-      }
-
-      // Handle which other element the event is related to
-      if (!event.relatedTarget) {
-        event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
-      }
-
-      // Stop the default browser action
-      event.preventDefault = function () {
-        if (old.preventDefault) {
-          old.preventDefault();
-        }
-        event.returnValue = false;
-        old.returnValue = false;
-        event.defaultPrevented = true;
-      };
-      event.defaultPrevented = false;
-
-      // Stop the event from bubbling
-      event.stopPropagation = function () {
-        if (old.stopPropagation) {
-          old.stopPropagation();
-        }
-        event.cancelBubble = true;
-        old.cancelBubble = true;
-        event.isPropagationStopped = returnTrue;
-      };
-      event.isPropagationStopped = returnFalse;
-
-      // Stop the event from bubbling and executing other handlers
-      event.stopImmediatePropagation = function () {
-        if (old.stopImmediatePropagation) {
-          old.stopImmediatePropagation();
-        }
-        event.isImmediatePropagationStopped = returnTrue;
-        event.stopPropagation();
-      };
-      event.isImmediatePropagationStopped = returnFalse;
-
-      // Handle mouse position
-      if (event.clientX !== null && event.clientX !== undefined) {
-        const doc = document.documentElement;
-        const body = document.body;
-        event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
-        event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
-      }
-
-      // Handle key presses
-      event.which = event.charCode || event.keyCode;
-
-      // Fix button for mouse clicks:
-      // 0 == left; 1 == middle; 2 == right
-      if (event.button !== null && event.button !== undefined) {
-        // The following is disabled because it does not pass videojs-standard
-        // and... yikes.
-        /* eslint-disable */
-        event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
-        /* eslint-enable */
-      }
-    }
-
-    event.fixed_ = true;
-    // Returns fixed-up instance
-    return event;
-  }
-
-  /**
-   * Whether passive event listeners are supported
-   */
-  let _supportsPassive;
-  const supportsPassive = function () {
-    if (typeof _supportsPassive !== 'boolean') {
-      _supportsPassive = false;
-      try {
-        const opts = Object.defineProperty({}, 'passive', {
-          get() {
-            _supportsPassive = true;
-          }
-        });
-        window.addEventListener('test', null, opts);
-        window.removeEventListener('test', null, opts);
-      } catch (e) {
-        // disregard
-      }
-    }
-    return _supportsPassive;
-  };
-
-  /**
-   * Touch events Chrome expects to be passive
-   */
-  const passiveEvents = ['touchstart', 'touchmove'];
-
-  /**
-   * Add an event listener to element
-   * It stores the handler function in a separate cache object
-   * and adds a generic handler to the element's event,
-   * along with a unique id (guid) to the element.
-   *
-   * @param {Element|Object} elem
-   *        Element or object to bind listeners to
-   *
-   * @param {string|string[]} type
-   *        Type of event to bind to.
-   *
-   * @param {Function} fn
-   *        Event listener.
-   */
-  function on(elem, type, fn) {
-    if (Array.isArray(type)) {
-      return _handleMultipleEvents(on, elem, type, fn);
-    }
-    if (!DomData.has(elem)) {
-      DomData.set(elem, {});
-    }
-    const data = DomData.get(elem);
-
-    // We need a place to store all our handler data
-    if (!data.handlers) {
-      data.handlers = {};
-    }
-    if (!data.handlers[type]) {
-      data.handlers[type] = [];
-    }
-    if (!fn.guid) {
-      fn.guid = newGUID();
-    }
-    data.handlers[type].push(fn);
-    if (!data.dispatcher) {
-      data.disabled = false;
-      data.dispatcher = function (event, hash) {
-        if (data.disabled) {
-          return;
-        }
-        event = fixEvent(event);
-        const handlers = data.handlers[event.type];
-        if (handlers) {
-          // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
-          const handlersCopy = handlers.slice(0);
-          for (let m = 0, n = handlersCopy.length; m < n; m++) {
-            if (event.isImmediatePropagationStopped()) {
-              break;
-            } else {
-              try {
-                handlersCopy[m].call(elem, event, hash);
-              } catch (e) {
-                log.error(e);
-              }
-            }
-          }
-        }
-      };
-    }
-    if (data.handlers[type].length === 1) {
-      if (elem.addEventListener) {
-        let options = false;
-        if (supportsPassive() && passiveEvents.indexOf(type) > -1) {
-          options = {
-            passive: true
-          };
-        }
-        elem.addEventListener(type, data.dispatcher, options);
-      } else if (elem.attachEvent) {
-        elem.attachEvent('on' + type, data.dispatcher);
-      }
-    }
-  }
-
-  /**
-   * Removes event listeners from an element
-   *
-   * @param {Element|Object} elem
-   *        Object to remove listeners from.
-   *
-   * @param {string|string[]} [type]
-   *        Type of listener to remove. Don't include to remove all events from element.
-   *
-   * @param {Function} [fn]
-   *        Specific listener to remove. Don't include to remove listeners for an event
-   *        type.
-   */
-  function off(elem, type, fn) {
-    // Don't want to add a cache object through getElData if not needed
-    if (!DomData.has(elem)) {
-      return;
-    }
-    const data = DomData.get(elem);
-
-    // If no events exist, nothing to unbind
-    if (!data.handlers) {
-      return;
-    }
-    if (Array.isArray(type)) {
-      return _handleMultipleEvents(off, elem, type, fn);
-    }
-
-    // Utility function
-    const removeType = function (el, t) {
-      data.handlers[t] = [];
-      _cleanUpEvents(el, t);
-    };
-
-    // Are we removing all bound events?
-    if (type === undefined) {
-      for (const t in data.handlers) {
-        if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
-          removeType(elem, t);
-        }
-      }
-      return;
-    }
-    const handlers = data.handlers[type];
-
-    // If no handlers exist, nothing to unbind
-    if (!handlers) {
-      return;
-    }
-
-    // If no listener was provided, remove all listeners for type
-    if (!fn) {
-      removeType(elem, type);
-      return;
-    }
-
-    // We're only removing a single handler
-    if (fn.guid) {
-      for (let n = 0; n < handlers.length; n++) {
-        if (handlers[n].guid === fn.guid) {
-          handlers.splice(n--, 1);
-        }
-      }
-    }
-    _cleanUpEvents(elem, type);
-  }
-
-  /**
-   * Trigger an event for an element
-   *
-   * @param {Element|Object} elem
-   *        Element to trigger an event on
-   *
-   * @param {EventTarget~Event|string} event
-   *        A string (the type) or an event object with a type attribute
-   *
-   * @param {Object} [hash]
-   *        data hash to pass along with the event
-   *
-   * @return {boolean|undefined}
-   *         Returns the opposite of `defaultPrevented` if default was
-   *         prevented. Otherwise, returns `undefined`
-   */
-  function trigger(elem, event, hash) {
-    // Fetches element data and a reference to the parent (for bubbling).
-    // Don't want to add a data object to cache for every parent,
-    // so checking hasElData first.
-    const elemData = DomData.has(elem) ? DomData.get(elem) : {};
-    const parent = elem.parentNode || elem.ownerDocument;
-    // type = event.type || event,
-    // handler;
-
-    // If an event name was passed as a string, creates an event out of it
-    if (typeof event === 'string') {
-      event = {
-        type: event,
-        target: elem
-      };
-    } else if (!event.target) {
-      event.target = elem;
-    }
-
-    // Normalizes the event properties.
-    event = fixEvent(event);
-
-    // If the passed element has a dispatcher, executes the established handlers.
-    if (elemData.dispatcher) {
-      elemData.dispatcher.call(elem, event, hash);
-    }
-
-    // Unless explicitly stopped or the event does not bubble (e.g. media events)
-    // recursively calls this function to bubble the event up the DOM.
-    if (parent && !event.isPropagationStopped() && event.bubbles === true) {
-      trigger.call(null, parent, event, hash);
-
-      // If at the top of the DOM, triggers the default action unless disabled.
-    } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) {
-      if (!DomData.has(event.target)) {
-        DomData.set(event.target, {});
-      }
-      const targetData = DomData.get(event.target);
-
-      // Checks if the target has a default action for this event.
-      if (event.target[event.type]) {
-        // Temporarily disables event dispatching on the target as we have already executed the handler.
-        targetData.disabled = true;
-        // Executes the default action.
-        if (typeof event.target[event.type] === 'function') {
-          event.target[event.type]();
-        }
-        // Re-enables event dispatching.
-        targetData.disabled = false;
-      }
-    }
-
-    // Inform the triggerer if the default was prevented by returning false
-    return !event.defaultPrevented;
-  }
-
-  /**
-   * Trigger a listener only once for an event.
-   *
-   * @param {Element|Object} elem
-   *        Element or object to bind to.
-   *
-   * @param {string|string[]} type
-   *        Name/type of event
-   *
-   * @param {Event~EventListener} fn
-   *        Event listener function
-   */
-  function one(elem, type, fn) {
-    if (Array.isArray(type)) {
-      return _handleMultipleEvents(one, elem, type, fn);
-    }
-    const func = function () {
-      off(elem, type, func);
-      fn.apply(this, arguments);
-    };
-
-    // copy the guid to the new function so it can removed using the original function's ID
-    func.guid = fn.guid = fn.guid || newGUID();
-    on(elem, type, func);
-  }
-
-  /**
-   * Trigger a listener only once and then turn if off for all
-   * configured events
-   *
-   * @param {Element|Object} elem
-   *        Element or object to bind to.
-   *
-   * @param {string|string[]} type
-   *        Name/type of event
-   *
-   * @param {Event~EventListener} fn
-   *        Event listener function
-   */
-  function any(elem, type, fn) {
-    const func = function () {
-      off(elem, type, func);
-      fn.apply(this, arguments);
-    };
-
-    // copy the guid to the new function so it can removed using the original function's ID
-    func.guid = fn.guid = fn.guid || newGUID();
-
-    // multiple ons, but one off for everything
-    on(elem, type, func);
-  }
-
-  var Events = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    fixEvent: fixEvent,
-    on: on,
-    off: off,
-    trigger: trigger,
-    one: one,
-    any: any
-  });
-
-  /**
-   * @file fn.js
-   * @module fn
-   */
-  const UPDATE_REFRESH_INTERVAL = 30;
-
-  /**
-   * A private, internal-only function for changing the context of a function.
-   *
-   * It also stores a unique id on the function so it can be easily removed from
-   * events.
-   *
-   * @private
-   * @function
-   * @param    {*} context
-   *           The object to bind as scope.
-   *
-   * @param    {Function} fn
-   *           The function to be bound to a scope.
-   *
-   * @param    {number} [uid]
-   *           An optional unique ID for the function to be set
-   *
-   * @return   {Function}
-   *           The new function that will be bound into the context given
-   */
-  const bind_ = function (context, fn, uid) {
-    // Make sure the function has a unique ID
-    if (!fn.guid) {
-      fn.guid = newGUID();
-    }
-
-    // Create the new function that changes the context
-    const bound = fn.bind(context);
-
-    // Allow for the ability to individualize this function
-    // Needed in the case where multiple objects might share the same prototype
-    // IF both items add an event listener with the same function, then you try to remove just one
-    // it will remove both because they both have the same guid.
-    // when using this, you need to use the bind method when you remove the listener as well.
-    // currently used in text tracks
-    bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
-    return bound;
-  };
-
-  /**
-   * Wraps the given function, `fn`, with a new function that only invokes `fn`
-   * at most once per every `wait` milliseconds.
-   *
-   * @function
-   * @param    {Function} fn
-   *           The function to be throttled.
-   *
-   * @param    {number}   wait
-   *           The number of milliseconds by which to throttle.
-   *
-   * @return   {Function}
-   */
-  const throttle = function (fn, wait) {
-    let last = window.performance.now();
-    const throttled = function (...args) {
-      const now = window.performance.now();
-      if (now - last >= wait) {
-        fn(...args);
-        last = now;
-      }
-    };
-    return throttled;
-  };
-
-  /**
-   * Creates a debounced function that delays invoking `func` until after `wait`
-   * milliseconds have elapsed since the last time the debounced function was
-   * invoked.
-   *
-   * Inspired by lodash and underscore implementations.
-   *
-   * @function
-   * @param    {Function} func
-   *           The function to wrap with debounce behavior.
-   *
-   * @param    {number} wait
-   *           The number of milliseconds to wait after the last invocation.
-   *
-   * @param    {boolean} [immediate]
-   *           Whether or not to invoke the function immediately upon creation.
-   *
-   * @param    {Object} [context=window]
-   *           The "context" in which the debounced function should debounce. For
-   *           example, if this function should be tied to a Video.js player,
-   *           the player can be passed here. Alternatively, defaults to the
-   *           global `window` object.
-   *
-   * @return   {Function}
-   *           A debounced function.
-   */
-  const debounce = function (func, wait, immediate, context = window) {
-    let timeout;
-    const cancel = () => {
-      context.clearTimeout(timeout);
-      timeout = null;
-    };
-
-    /* eslint-disable consistent-this */
-    const debounced = function () {
-      const self = this;
-      const args = arguments;
-      let later = function () {
-        timeout = null;
-        later = null;
-        if (!immediate) {
-          func.apply(self, args);
-        }
-      };
-      if (!timeout && immediate) {
-        func.apply(self, args);
-      }
-      context.clearTimeout(timeout);
-      timeout = context.setTimeout(later, wait);
-    };
-    /* eslint-enable consistent-this */
-
-    debounced.cancel = cancel;
-    return debounced;
-  };
-
-  var Fn = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    UPDATE_REFRESH_INTERVAL: UPDATE_REFRESH_INTERVAL,
-    bind_: bind_,
-    throttle: throttle,
-    debounce: debounce
-  });
-
-  /**
-   * @file src/js/event-target.js
-   */
-  let EVENT_MAP;
-
-  /**
-   * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
-   * adds shorthand functions that wrap around lengthy functions. For example:
-   * the `on` function is a wrapper around `addEventListener`.
-   *
-   * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
-   * @class EventTarget
-   */
-  class EventTarget {
-    /**
-     * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
-     * function that will get called when an event with a certain name gets triggered.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to call with `EventTarget`s
-     */
-    on(type, fn) {
-      // Remove the addEventListener alias before calling Events.on
-      // so we don't get into an infinite type loop
-      const ael = this.addEventListener;
-      this.addEventListener = () => {};
-      on(this, type, fn);
-      this.addEventListener = ael;
-    }
-    /**
-     * Removes an `event listener` for a specific event from an instance of `EventTarget`.
-     * This makes it so that the `event listener` will no longer get called when the
-     * named event happens.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to remove.
-     */
-    off(type, fn) {
-      off(this, type, fn);
-    }
-    /**
-     * This function will add an `event listener` that gets triggered only once. After the
-     * first trigger it will get removed. This is like adding an `event listener`
-     * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to be called once for each event name.
-     */
-    one(type, fn) {
-      // Remove the addEventListener aliasing Events.on
-      // so we don't get into an infinite type loop
-      const ael = this.addEventListener;
-      this.addEventListener = () => {};
-      one(this, type, fn);
-      this.addEventListener = ael;
-    }
-    /**
-     * This function will add an `event listener` that gets triggered only once and is
-     * removed from all events. This is like adding an array of `event listener`s
-     * with {@link EventTarget#on} that calls {@link EventTarget#off} on all events the
-     * first time it is triggered.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to be called once for each event name.
-     */
-    any(type, fn) {
-      // Remove the addEventListener aliasing Events.on
-      // so we don't get into an infinite type loop
-      const ael = this.addEventListener;
-      this.addEventListener = () => {};
-      any(this, type, fn);
-      this.addEventListener = ael;
-    }
-    /**
-     * This function causes an event to happen. This will then cause any `event listeners`
-     * that are waiting for that event, to get called. If there are no `event listeners`
-     * for an event then nothing will happen.
-     *
-     * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
-     * Trigger will also call the `on` + `uppercaseEventName` function.
-     *
-     * Example:
-     * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
-     * `onClick` if it exists.
-     *
-     * @param {string|EventTarget~Event|Object} event
-     *        The name of the event, an `Event`, or an object with a key of type set to
-     *        an event name.
-     */
-    trigger(event) {
-      const type = event.type || event;
-
-      // deprecation
-      // In a future version we should default target to `this`
-      // similar to how we default the target to `elem` in
-      // `Events.trigger`. Right now the default `target` will be
-      // `document` due to the `Event.fixEvent` call.
-      if (typeof event === 'string') {
-        event = {
-          type
-        };
-      }
-      event = fixEvent(event);
-      if (this.allowedEvents_[type] && this['on' + type]) {
-        this['on' + type](event);
-      }
-      trigger(this, event);
-    }
-    queueTrigger(event) {
-      // only set up EVENT_MAP if it'll be used
-      if (!EVENT_MAP) {
-        EVENT_MAP = new Map();
-      }
-      const type = event.type || event;
-      let map = EVENT_MAP.get(this);
-      if (!map) {
-        map = new Map();
-        EVENT_MAP.set(this, map);
-      }
-      const oldTimeout = map.get(type);
-      map.delete(type);
-      window.clearTimeout(oldTimeout);
-      const timeout = window.setTimeout(() => {
-        map.delete(type);
-        // if we cleared out all timeouts for the current target, delete its map
-        if (map.size === 0) {
-          map = null;
-          EVENT_MAP.delete(this);
-        }
-        this.trigger(event);
-      }, 0);
-      map.set(type, timeout);
-    }
-  }
-
-  /**
-   * A Custom DOM event.
-   *
-   * @typedef {CustomEvent} Event
-   * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
-   */
-
-  /**
-   * All event listeners should follow the following format.
-   *
-   * @callback EventListener
-   * @this {EventTarget}
-   *
-   * @param {Event} event
-   *        the event that triggered this function
-   *
-   * @param {Object} [hash]
-   *        hash of data sent during the event
-   */
-
-  /**
-   * An object containing event names as keys and booleans as values.
-   *
-   * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
-   *         will have extra functionality. See that function for more information.
-   *
-   * @property EventTarget.prototype.allowedEvents_
-   * @protected
-   */
-  EventTarget.prototype.allowedEvents_ = {};
-
-  /**
-   * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
-   * the standard DOM API.
-   *
-   * @function
-   * @see {@link EventTarget#on}
-   */
-  EventTarget.prototype.addEventListener = EventTarget.prototype.on;
-
-  /**
-   * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
-   * the standard DOM API.
-   *
-   * @function
-   * @see {@link EventTarget#off}
-   */
-  EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
-
-  /**
-   * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
-   * the standard DOM API.
-   *
-   * @function
-   * @see {@link EventTarget#trigger}
-   */
-  EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
-
-  /**
-   * @file mixins/evented.js
-   * @module evented
-   */
-  const objName = obj => {
-    if (typeof obj.name === 'function') {
-      return obj.name();
-    }
-    if (typeof obj.name === 'string') {
-      return obj.name;
-    }
-    if (obj.name_) {
-      return obj.name_;
-    }
-    if (obj.constructor && obj.constructor.name) {
-      return obj.constructor.name;
-    }
-    return typeof obj;
-  };
-
-  /**
-   * Returns whether or not an object has had the evented mixin applied.
-   *
-   * @param  {Object} object
-   *         An object to test.
-   *
-   * @return {boolean}
-   *         Whether or not the object appears to be evented.
-   */
-  const isEvented = object => object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(k => typeof object[k] === 'function');
-
-  /**
-   * Adds a callback to run after the evented mixin applied.
-   *
-   * @param  {Object} target
-   *         An object to Add
-   * @param  {Function} callback
-   *         The callback to run.
-   */
-  const addEventedCallback = (target, callback) => {
-    if (isEvented(target)) {
-      callback();
-    } else {
-      if (!target.eventedCallbacks) {
-        target.eventedCallbacks = [];
-      }
-      target.eventedCallbacks.push(callback);
-    }
-  };
-
-  /**
-   * Whether a value is a valid event type - non-empty string or array.
-   *
-   * @private
-   * @param  {string|Array} type
-   *         The type value to test.
-   *
-   * @return {boolean}
-   *         Whether or not the type is a valid event type.
-   */
-  const isValidEventType = type =>
-  // The regex here verifies that the `type` contains at least one non-
-  // whitespace character.
-  typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length;
-
-  /**
-   * Validates a value to determine if it is a valid event target. Throws if not.
-   *
-   * @private
-   * @throws {Error}
-   *         If the target does not appear to be a valid event target.
-   *
-   * @param  {Object} target
-   *         The object to test.
-   *
-   * @param  {Object} obj
-   *         The evented object we are validating for
-   *
-   * @param  {string} fnName
-   *         The name of the evented mixin function that called this.
-   */
-  const validateTarget = (target, obj, fnName) => {
-    if (!target || !target.nodeName && !isEvented(target)) {
-      throw new Error(`Invalid target for ${objName(obj)}#${fnName}; must be a DOM node or evented object.`);
-    }
-  };
-
-  /**
-   * Validates a value to determine if it is a valid event target. Throws if not.
-   *
-   * @private
-   * @throws {Error}
-   *         If the type does not appear to be a valid event type.
-   *
-   * @param  {string|Array} type
-   *         The type to test.
-   *
-   * @param  {Object} obj
-  *         The evented object we are validating for
-   *
-   * @param  {string} fnName
-   *         The name of the evented mixin function that called this.
-   */
-  const validateEventType = (type, obj, fnName) => {
-    if (!isValidEventType(type)) {
-      throw new Error(`Invalid event type for ${objName(obj)}#${fnName}; must be a non-empty string or array.`);
-    }
-  };
-
-  /**
-   * Validates a value to determine if it is a valid listener. Throws if not.
-   *
-   * @private
-   * @throws {Error}
-   *         If the listener is not a function.
-   *
-   * @param  {Function} listener
-   *         The listener to test.
-   *
-   * @param  {Object} obj
-   *         The evented object we are validating for
-   *
-   * @param  {string} fnName
-   *         The name of the evented mixin function that called this.
-   */
-  const validateListener = (listener, obj, fnName) => {
-    if (typeof listener !== 'function') {
-      throw new Error(`Invalid listener for ${objName(obj)}#${fnName}; must be a function.`);
-    }
-  };
-
-  /**
-   * Takes an array of arguments given to `on()` or `one()`, validates them, and
-   * normalizes them into an object.
-   *
-   * @private
-   * @param  {Object} self
-   *         The evented object on which `on()` or `one()` was called. This
-   *         object will be bound as the `this` value for the listener.
-   *
-   * @param  {Array} args
-   *         An array of arguments passed to `on()` or `one()`.
-   *
-   * @param  {string} fnName
-   *         The name of the evented mixin function that called this.
-   *
-   * @return {Object}
-   *         An object containing useful values for `on()` or `one()` calls.
-   */
-  const normalizeListenArgs = (self, args, fnName) => {
-    // If the number of arguments is less than 3, the target is always the
-    // evented object itself.
-    const isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
-    let target;
-    let type;
-    let listener;
-    if (isTargetingSelf) {
-      target = self.eventBusEl_;
-
-      // Deal with cases where we got 3 arguments, but we are still listening to
-      // the evented object itself.
-      if (args.length >= 3) {
-        args.shift();
-      }
-      [type, listener] = args;
-    } else {
-      [target, type, listener] = args;
-    }
-    validateTarget(target, self, fnName);
-    validateEventType(type, self, fnName);
-    validateListener(listener, self, fnName);
-    listener = bind_(self, listener);
-    return {
-      isTargetingSelf,
-      target,
-      type,
-      listener
-    };
-  };
-
-  /**
-   * Adds the listener to the event type(s) on the target, normalizing for
-   * the type of target.
-   *
-   * @private
-   * @param  {Element|Object} target
-   *         A DOM node or evented object.
-   *
-   * @param  {string} method
-   *         The event binding method to use ("on" or "one").
-   *
-   * @param  {string|Array} type
-   *         One or more event type(s).
-   *
-   * @param  {Function} listener
-   *         A listener function.
-   */
-  const listen = (target, method, type, listener) => {
-    validateTarget(target, target, method);
-    if (target.nodeName) {
-      Events[method](target, type, listener);
-    } else {
-      target[method](type, listener);
-    }
-  };
-
-  /**
-   * Contains methods that provide event capabilities to an object which is passed
-   * to {@link module:evented|evented}.
-   *
-   * @mixin EventedMixin
-   */
-  const EventedMixin = {
-    /**
-     * Add a listener to an event (or events) on this object or another evented
-     * object.
-     *
-     * @param  {string|Array|Element|Object} targetOrType
-     *         If this is a string or array, it represents the event type(s)
-     *         that will trigger the listener.
-     *
-     *         Another evented object can be passed here instead, which will
-     *         cause the listener to listen for events on _that_ object.
-     *
-     *         In either case, the listener's `this` value will be bound to
-     *         this object.
-     *
-     * @param  {string|Array|Function} typeOrListener
-     *         If the first argument was a string or array, this should be the
-     *         listener function. Otherwise, this is a string or array of event
-     *         type(s).
-     *
-     * @param  {Function} [listener]
-     *         If the first argument was another evented object, this will be
-     *         the listener function.
-     */
-    on(...args) {
-      const {
-        isTargetingSelf,
-        target,
-        type,
-        listener
-      } = normalizeListenArgs(this, args, 'on');
-      listen(target, 'on', type, listener);
-
-      // If this object is listening to another evented object.
-      if (!isTargetingSelf) {
-        // If this object is disposed, remove the listener.
-        const removeListenerOnDispose = () => this.off(target, type, listener);
-
-        // Use the same function ID as the listener so we can remove it later it
-        // using the ID of the original listener.
-        removeListenerOnDispose.guid = listener.guid;
-
-        // Add a listener to the target's dispose event as well. This ensures
-        // that if the target is disposed BEFORE this object, we remove the
-        // removal listener that was just added. Otherwise, we create a memory leak.
-        const removeRemoverOnTargetDispose = () => this.off('dispose', removeListenerOnDispose);
-
-        // Use the same function ID as the listener so we can remove it later
-        // it using the ID of the original listener.
-        removeRemoverOnTargetDispose.guid = listener.guid;
-        listen(this, 'on', 'dispose', removeListenerOnDispose);
-        listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
-      }
-    },
-    /**
-     * Add a listener to an event (or events) on this object or another evented
-     * object. The listener will be called once per event and then removed.
-     *
-     * @param  {string|Array|Element|Object} targetOrType
-     *         If this is a string or array, it represents the event type(s)
-     *         that will trigger the listener.
-     *
-     *         Another evented object can be passed here instead, which will
-     *         cause the listener to listen for events on _that_ object.
-     *
-     *         In either case, the listener's `this` value will be bound to
-     *         this object.
-     *
-     * @param  {string|Array|Function} typeOrListener
-     *         If the first argument was a string or array, this should be the
-     *         listener function. Otherwise, this is a string or array of event
-     *         type(s).
-     *
-     * @param  {Function} [listener]
-     *         If the first argument was another evented object, this will be
-     *         the listener function.
-     */
-    one(...args) {
-      const {
-        isTargetingSelf,
-        target,
-        type,
-        listener
-      } = normalizeListenArgs(this, args, 'one');
-
-      // Targeting this evented object.
-      if (isTargetingSelf) {
-        listen(target, 'one', type, listener);
-
-        // Targeting another evented object.
-      } else {
-        // TODO: This wrapper is incorrect! It should only
-        //       remove the wrapper for the event type that called it.
-        //       Instead all listeners are removed on the first trigger!
-        //       see https://github.com/videojs/video.js/issues/5962
-        const wrapper = (...largs) => {
-          this.off(target, type, wrapper);
-          listener.apply(null, largs);
-        };
-
-        // Use the same function ID as the listener so we can remove it later
-        // it using the ID of the original listener.
-        wrapper.guid = listener.guid;
-        listen(target, 'one', type, wrapper);
-      }
-    },
-    /**
-     * Add a listener to an event (or events) on this object or another evented
-     * object. The listener will only be called once for the first event that is triggered
-     * then removed.
-     *
-     * @param  {string|Array|Element|Object} targetOrType
-     *         If this is a string or array, it represents the event type(s)
-     *         that will trigger the listener.
-     *
-     *         Another evented object can be passed here instead, which will
-     *         cause the listener to listen for events on _that_ object.
-     *
-     *         In either case, the listener's `this` value will be bound to
-     *         this object.
-     *
-     * @param  {string|Array|Function} typeOrListener
-     *         If the first argument was a string or array, this should be the
-     *         listener function. Otherwise, this is a string or array of event
-     *         type(s).
-     *
-     * @param  {Function} [listener]
-     *         If the first argument was another evented object, this will be
-     *         the listener function.
-     */
-    any(...args) {
-      const {
-        isTargetingSelf,
-        target,
-        type,
-        listener
-      } = normalizeListenArgs(this, args, 'any');
-
-      // Targeting this evented object.
-      if (isTargetingSelf) {
-        listen(target, 'any', type, listener);
-
-        // Targeting another evented object.
-      } else {
-        const wrapper = (...largs) => {
-          this.off(target, type, wrapper);
-          listener.apply(null, largs);
-        };
-
-        // Use the same function ID as the listener so we can remove it later
-        // it using the ID of the original listener.
-        wrapper.guid = listener.guid;
-        listen(target, 'any', type, wrapper);
-      }
-    },
-    /**
-     * Removes listener(s) from event(s) on an evented object.
-     *
-     * @param  {string|Array|Element|Object} [targetOrType]
-     *         If this is a string or array, it represents the event type(s).
-     *
-     *         Another evented object can be passed here instead, in which case
-     *         ALL 3 arguments are _required_.
-     *
-     * @param  {string|Array|Function} [typeOrListener]
-     *         If the first argument was a string or array, this may be the
-     *         listener function. Otherwise, this is a string or array of event
-     *         type(s).
-     *
-     * @param  {Function} [listener]
-     *         If the first argument was another evented object, this will be
-     *         the listener function; otherwise, _all_ listeners bound to the
-     *         event type(s) will be removed.
-     */
-    off(targetOrType, typeOrListener, listener) {
-      // Targeting this evented object.
-      if (!targetOrType || isValidEventType(targetOrType)) {
-        off(this.eventBusEl_, targetOrType, typeOrListener);
-
-        // Targeting another evented object.
-      } else {
-        const target = targetOrType;
-        const type = typeOrListener;
-
-        // Fail fast and in a meaningful way!
-        validateTarget(target, this, 'off');
-        validateEventType(type, this, 'off');
-        validateListener(listener, this, 'off');
-
-        // Ensure there's at least a guid, even if the function hasn't been used
-        listener = bind_(this, listener);
-
-        // Remove the dispose listener on this evented object, which was given
-        // the same guid as the event listener in on().
-        this.off('dispose', listener);
-        if (target.nodeName) {
-          off(target, type, listener);
-          off(target, 'dispose', listener);
-        } else if (isEvented(target)) {
-          target.off(type, listener);
-          target.off('dispose', listener);
-        }
-      }
-    },
-    /**
-     * Fire an event on this evented object, causing its listeners to be called.
-     *
-     * @param   {string|Object} event
-     *          An event type or an object with a type property.
-     *
-     * @param   {Object} [hash]
-     *          An additional object to pass along to listeners.
-     *
-     * @return {boolean}
-     *          Whether or not the default behavior was prevented.
-     */
-    trigger(event, hash) {
-      validateTarget(this.eventBusEl_, this, 'trigger');
-      const type = event && typeof event !== 'string' ? event.type : event;
-      if (!isValidEventType(type)) {
-        throw new Error(`Invalid event type for ${objName(this)}#trigger; ` + 'must be a non-empty string or object with a type key that has a non-empty value.');
-      }
-      return trigger(this.eventBusEl_, event, hash);
-    }
-  };
-
-  /**
-   * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
-   *
-   * @param  {Object} target
-   *         The object to which to add event methods.
-   *
-   * @param  {Object} [options={}]
-   *         Options for customizing the mixin behavior.
-   *
-   * @param  {string} [options.eventBusKey]
-   *         By default, adds a `eventBusEl_` DOM element to the target object,
-   *         which is used as an event bus. If the target object already has a
-   *         DOM element that should be used, pass its key here.
-   *
-   * @return {Object}
-   *         The target object.
-   */
-  function evented(target, options = {}) {
-    const {
-      eventBusKey
-    } = options;
-
-    // Set or create the eventBusEl_.
-    if (eventBusKey) {
-      if (!target[eventBusKey].nodeName) {
-        throw new Error(`The eventBusKey "${eventBusKey}" does not refer to an element.`);
-      }
-      target.eventBusEl_ = target[eventBusKey];
-    } else {
-      target.eventBusEl_ = createEl('span', {
-        className: 'vjs-event-bus'
-      });
-    }
-    Object.assign(target, EventedMixin);
-    if (target.eventedCallbacks) {
-      target.eventedCallbacks.forEach(callback => {
-        callback();
-      });
-    }
-
-    // When any evented object is disposed, it removes all its listeners.
-    target.on('dispose', () => {
-      target.off();
-      [target, target.el_, target.eventBusEl_].forEach(function (val) {
-        if (val && DomData.has(val)) {
-          DomData.delete(val);
-        }
-      });
-      window.setTimeout(() => {
-        target.eventBusEl_ = null;
-      }, 0);
-    });
-    return target;
-  }
-
-  /**
-   * @file mixins/stateful.js
-   * @module stateful
-   */
-
-  /**
-   * Contains methods that provide statefulness to an object which is passed
-   * to {@link module:stateful}.
-   *
-   * @mixin StatefulMixin
-   */
-  const StatefulMixin = {
-    /**
-     * A hash containing arbitrary keys and values representing the state of
-     * the object.
-     *
-     * @type {Object}
-     */
-    state: {},
-    /**
-     * Set the state of an object by mutating its
-     * {@link module:stateful~StatefulMixin.state|state} object in place.
-     *
-     * @fires   module:stateful~StatefulMixin#statechanged
-     * @param   {Object|Function} stateUpdates
-     *          A new set of properties to shallow-merge into the plugin state.
-     *          Can be a plain object or a function returning a plain object.
-     *
-     * @return {Object|undefined}
-     *          An object containing changes that occurred. If no changes
-     *          occurred, returns `undefined`.
-     */
-    setState(stateUpdates) {
-      // Support providing the `stateUpdates` state as a function.
-      if (typeof stateUpdates === 'function') {
-        stateUpdates = stateUpdates();
-      }
-      let changes;
-      each(stateUpdates, (value, key) => {
-        // Record the change if the value is different from what's in the
-        // current state.
-        if (this.state[key] !== value) {
-          changes = changes || {};
-          changes[key] = {
-            from: this.state[key],
-            to: value
-          };
-        }
-        this.state[key] = value;
-      });
-
-      // Only trigger "statechange" if there were changes AND we have a trigger
-      // function. This allows us to not require that the target object be an
-      // evented object.
-      if (changes && isEvented(this)) {
-        /**
-         * An event triggered on an object that is both
-         * {@link module:stateful|stateful} and {@link module:evented|evented}
-         * indicating that its state has changed.
-         *
-         * @event    module:stateful~StatefulMixin#statechanged
-         * @type     {Object}
-         * @property {Object} changes
-         *           A hash containing the properties that were changed and
-         *           the values they were changed `from` and `to`.
-         */
-        this.trigger({
-          changes,
-          type: 'statechanged'
-        });
-      }
-      return changes;
-    }
-  };
-
-  /**
-   * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
-   * object.
-   *
-   * If the target object is {@link module:evented|evented} and has a
-   * `handleStateChanged` method, that method will be automatically bound to the
-   * `statechanged` event on itself.
-   *
-   * @param   {Object} target
-   *          The object to be made stateful.
-   *
-   * @param   {Object} [defaultState]
-   *          A default set of properties to populate the newly-stateful object's
-   *          `state` property.
-   *
-   * @return {Object}
-   *          Returns the `target`.
-   */
-  function stateful(target, defaultState) {
-    Object.assign(target, StatefulMixin);
-
-    // This happens after the mixing-in because we need to replace the `state`
-    // added in that step.
-    target.state = Object.assign({}, target.state, defaultState);
-
-    // Auto-bind the `handleStateChanged` method of the target object if it exists.
-    if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
-      target.on('statechanged', target.handleStateChanged);
-    }
-    return target;
-  }
-
-  /**
-   * @file str.js
-   * @module to-lower-case
-   */
-
-  /**
-   * Lowercase the first letter of a string.
-   *
-   * @param {string} string
-   *        String to be lowercased
-   *
-   * @return {string}
-   *         The string with a lowercased first letter
-   */
-  const toLowerCase = function (string) {
-    if (typeof string !== 'string') {
-      return string;
-    }
-    return string.replace(/./, w => w.toLowerCase());
-  };
-
-  /**
-   * Uppercase the first letter of a string.
-   *
-   * @param {string} string
-   *        String to be uppercased
-   *
-   * @return {string}
-   *         The string with an uppercased first letter
-   */
-  const toTitleCase = function (string) {
-    if (typeof string !== 'string') {
-      return string;
-    }
-    return string.replace(/./, w => w.toUpperCase());
-  };
-
-  /**
-   * Compares the TitleCase versions of the two strings for equality.
-   *
-   * @param {string} str1
-   *        The first string to compare
-   *
-   * @param {string} str2
-   *        The second string to compare
-   *
-   * @return {boolean}
-   *         Whether the TitleCase versions of the strings are equal
-   */
-  const titleCaseEquals = function (str1, str2) {
-    return toTitleCase(str1) === toTitleCase(str2);
-  };
-
-  var Str = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    toLowerCase: toLowerCase,
-    toTitleCase: toTitleCase,
-    titleCaseEquals: titleCaseEquals
-  });
-
-  var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
-
-  function unwrapExports (x) {
-  	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
-  }
-
-  function createCommonjsModule(fn, module) {
-  	return module = { exports: {} }, fn(module, module.exports), module.exports;
-  }
-
-  var keycode = createCommonjsModule(function (module, exports) {
-    // Source: http://jsfiddle.net/vWx8V/
-    // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes
-
-    /**
-     * Conenience method returns corresponding value for given keyName or keyCode.
-     *
-     * @param {Mixed} keyCode {Number} or keyName {String}
-     * @return {Mixed}
-     * @api public
-     */
-
-    function keyCode(searchInput) {
-      // Keyboard Events
-      if (searchInput && 'object' === typeof searchInput) {
-        var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;
-        if (hasKeyCode) searchInput = hasKeyCode;
-      }
-
-      // Numbers
-      if ('number' === typeof searchInput) return names[searchInput];
-
-      // Everything else (cast to string)
-      var search = String(searchInput);
-
-      // check codes
-      var foundNamedKey = codes[search.toLowerCase()];
-      if (foundNamedKey) return foundNamedKey;
-
-      // check aliases
-      var foundNamedKey = aliases[search.toLowerCase()];
-      if (foundNamedKey) return foundNamedKey;
-
-      // weird character?
-      if (search.length === 1) return search.charCodeAt(0);
-      return undefined;
-    }
-
-    /**
-     * Compares a keyboard event with a given keyCode or keyName.
-     *
-     * @param {Event} event Keyboard event that should be tested
-     * @param {Mixed} keyCode {Number} or keyName {String}
-     * @return {Boolean}
-     * @api public
-     */
-    keyCode.isEventKey = function isEventKey(event, nameOrCode) {
-      if (event && 'object' === typeof event) {
-        var keyCode = event.which || event.keyCode || event.charCode;
-        if (keyCode === null || keyCode === undefined) {
-          return false;
-        }
-        if (typeof nameOrCode === 'string') {
-          // check codes
-          var foundNamedKey = codes[nameOrCode.toLowerCase()];
-          if (foundNamedKey) {
-            return foundNamedKey === keyCode;
-          }
-
-          // check aliases
-          var foundNamedKey = aliases[nameOrCode.toLowerCase()];
-          if (foundNamedKey) {
-            return foundNamedKey === keyCode;
-          }
-        } else if (typeof nameOrCode === 'number') {
-          return nameOrCode === keyCode;
-        }
-        return false;
-      }
-    };
-    exports = module.exports = keyCode;
-
-    /**
-     * Get by name
-     *
-     *   exports.code['enter'] // => 13
-     */
-
-    var codes = exports.code = exports.codes = {
-      'backspace': 8,
-      'tab': 9,
-      'enter': 13,
-      'shift': 16,
-      'ctrl': 17,
-      'alt': 18,
-      'pause/break': 19,
-      'caps lock': 20,
-      'esc': 27,
-      'space': 32,
-      'page up': 33,
-      'page down': 34,
-      'end': 35,
-      'home': 36,
-      'left': 37,
-      'up': 38,
-      'right': 39,
-      'down': 40,
-      'insert': 45,
-      'delete': 46,
-      'command': 91,
-      'left command': 91,
-      'right command': 93,
-      'numpad *': 106,
-      'numpad +': 107,
-      'numpad -': 109,
-      'numpad .': 110,
-      'numpad /': 111,
-      'num lock': 144,
-      'scroll lock': 145,
-      'my computer': 182,
-      'my calculator': 183,
-      ';': 186,
-      '=': 187,
-      ',': 188,
-      '-': 189,
-      '.': 190,
-      '/': 191,
-      '`': 192,
-      '[': 219,
-      '\\': 220,
-      ']': 221,
-      "'": 222
-    };
-
-    // Helper aliases
-
-    var aliases = exports.aliases = {
-      'windows': 91,
-      '⇧': 16,
-      '⌥': 18,
-      '⌃': 17,
-      '⌘': 91,
-      'ctl': 17,
-      'control': 17,
-      'option': 18,
-      'pause': 19,
-      'break': 19,
-      'caps': 20,
-      'return': 13,
-      'escape': 27,
-      'spc': 32,
-      'spacebar': 32,
-      'pgup': 33,
-      'pgdn': 34,
-      'ins': 45,
-      'del': 46,
-      'cmd': 91
-    };
-
-    /*!
-     * Programatically add the following
-     */
-
-    // lower case chars
-    for (i = 97; i < 123; i++) codes[String.fromCharCode(i)] = i - 32;
-
-    // numbers
-    for (var i = 48; i < 58; i++) codes[i - 48] = i;
-
-    // function keys
-    for (i = 1; i < 13; i++) codes['f' + i] = i + 111;
-
-    // numpad keys
-    for (i = 0; i < 10; i++) codes['numpad ' + i] = i + 96;
-
-    /**
-     * Get by code
-     *
-     *   exports.name[13] // => 'Enter'
-     */
-
-    var names = exports.names = exports.title = {}; // title for backward compat
-
-    // Create reverse mapping
-    for (i in codes) names[codes[i]] = i;
-
-    // Add aliases
-    for (var alias in aliases) {
-      codes[alias] = aliases[alias];
-    }
-  });
-  keycode.code;
-  keycode.codes;
-  keycode.aliases;
-  keycode.names;
-  keycode.title;
-
-  /**
-   * Player Component - Base class for all UI objects
-   *
-   * @file component.js
-   */
-
-  /**
-   * Base class for all UI Components.
-   * Components are UI objects which represent both a javascript object and an element
-   * in the DOM. They can be children of other components, and can have
-   * children themselves.
-   *
-   * Components can also use methods from {@link EventTarget}
-   */
-  class Component {
-    /**
-     * A callback that is called when a component is ready. Does not have any
-     * parameters and any callback value will be ignored.
-     *
-     * @callback ReadyCallback
-     * @this Component
-     */
-
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of component options.
-     *
-     * @param {Object[]} [options.children]
-     *        An array of children objects to initialize this component with. Children objects have
-     *        a name property that will be used if more than one component of the same type needs to be
-     *        added.
-     *
-     * @param  {string} [options.className]
-     *         A class or space separated list of classes to add the component
-     *
-     * @param {ReadyCallback} [ready]
-     *        Function that gets called when the `Component` is ready.
-     */
-    constructor(player, options, ready) {
-      // The component might be the player itself and we can't pass `this` to super
-      if (!player && this.play) {
-        this.player_ = player = this; // eslint-disable-line
-      } else {
-        this.player_ = player;
-      }
-      this.isDisposed_ = false;
-
-      // Hold the reference to the parent component via `addChild` method
-      this.parentComponent_ = null;
-
-      // Make a copy of prototype.options_ to protect against overriding defaults
-      this.options_ = merge({}, this.options_);
-
-      // Updated options with supplied options
-      options = this.options_ = merge(this.options_, options);
-
-      // Get ID from options or options element if one is supplied
-      this.id_ = options.id || options.el && options.el.id;
-
-      // If there was no ID from the options, generate one
-      if (!this.id_) {
-        // Don't require the player ID function in the case of mock players
-        const id = player && player.id && player.id() || 'no_player';
-        this.id_ = `${id}_component_${newGUID()}`;
-      }
-      this.name_ = options.name || null;
-
-      // Create element if one wasn't provided in options
-      if (options.el) {
-        this.el_ = options.el;
-      } else if (options.createEl !== false) {
-        this.el_ = this.createEl();
-      }
-      if (options.className && this.el_) {
-        options.className.split(' ').forEach(c => this.addClass(c));
-      }
-
-      // Remove the placeholder event methods. If the component is evented, the
-      // real methods are added next
-      ['on', 'off', 'one', 'any', 'trigger'].forEach(fn => {
-        this[fn] = undefined;
-      });
-
-      // if evented is anything except false, we want to mixin in evented
-      if (options.evented !== false) {
-        // Make this an evented object and use `el_`, if available, as its event bus
-        evented(this, {
-          eventBusKey: this.el_ ? 'el_' : null
-        });
-        this.handleLanguagechange = this.handleLanguagechange.bind(this);
-        this.on(this.player_, 'languagechange', this.handleLanguagechange);
-      }
-      stateful(this, this.constructor.defaultState);
-      this.children_ = [];
-      this.childIndex_ = {};
-      this.childNameIndex_ = {};
-      this.setTimeoutIds_ = new Set();
-      this.setIntervalIds_ = new Set();
-      this.rafIds_ = new Set();
-      this.namedRafs_ = new Map();
-      this.clearingTimersOnDispose_ = false;
-
-      // Add any child components in options
-      if (options.initChildren !== false) {
-        this.initChildren();
-      }
-
-      // Don't want to trigger ready here or it will go before init is actually
-      // finished for all children that run this constructor
-      this.ready(ready);
-      if (options.reportTouchActivity !== false) {
-        this.enableTouchActivity();
-      }
-    }
-
-    // `on`, `off`, `one`, `any` and `trigger` are here so tsc includes them in definitions.
-    // They are replaced or removed in the constructor
-
-    /**
-     * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
-     * function that will get called when an event with a certain name gets triggered.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to call with `EventTarget`s
-     */
-    on(type, fn) {}
-
-    /**
-     * Removes an `event listener` for a specific event from an instance of `EventTarget`.
-     * This makes it so that the `event listener` will no longer get called when the
-     * named event happens.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} [fn]
-     *        The function to remove. If not specified, all listeners managed by Video.js will be removed.
-     */
-    off(type, fn) {}
-
-    /**
-     * This function will add an `event listener` that gets triggered only once. After the
-     * first trigger it will get removed. This is like adding an `event listener`
-     * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to be called once for each event name.
-     */
-    one(type, fn) {}
-
-    /**
-     * This function will add an `event listener` that gets triggered only once and is
-     * removed from all events. This is like adding an array of `event listener`s
-     * with {@link EventTarget#on} that calls {@link EventTarget#off} on all events the
-     * first time it is triggered.
-     *
-     * @param {string|string[]} type
-     *        An event name or an array of event names.
-     *
-     * @param {Function} fn
-     *        The function to be called once for each event name.
-     */
-    any(type, fn) {}
-
-    /**
-     * This function causes an event to happen. This will then cause any `event listeners`
-     * that are waiting for that event, to get called. If there are no `event listeners`
-     * for an event then nothing will happen.
-     *
-     * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
-     * Trigger will also call the `on` + `uppercaseEventName` function.
-     *
-     * Example:
-     * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
-     * `onClick` if it exists.
-     *
-     * @param {string|Event|Object} event
-     *        The name of the event, an `Event`, or an object with a key of type set to
-     *        an event name.
-     *
-     * @param {Object} [hash]
-     *        Optionally extra argument to pass through to an event listener
-     */
-    trigger(event, hash) {}
-
-    /**
-     * Dispose of the `Component` and all child components.
-     *
-     * @fires Component#dispose
-     *
-     * @param {Object} options
-     * @param {Element} options.originalEl element with which to replace player element
-     */
-    dispose(options = {}) {
-      // Bail out if the component has already been disposed.
-      if (this.isDisposed_) {
-        return;
-      }
-      if (this.readyQueue_) {
-        this.readyQueue_.length = 0;
-      }
-
-      /**
-       * Triggered when a `Component` is disposed.
-       *
-       * @event Component#dispose
-       * @type {Event}
-       *
-       * @property {boolean} [bubbles=false]
-       *           set to false so that the dispose event does not
-       *           bubble up
-       */
-      this.trigger({
-        type: 'dispose',
-        bubbles: false
-      });
-      this.isDisposed_ = true;
-
-      // Dispose all children.
-      if (this.children_) {
-        for (let i = this.children_.length - 1; i >= 0; i--) {
-          if (this.children_[i].dispose) {
-            this.children_[i].dispose();
-          }
-        }
-      }
-
-      // Delete child references
-      this.children_ = null;
-      this.childIndex_ = null;
-      this.childNameIndex_ = null;
-      this.parentComponent_ = null;
-      if (this.el_) {
-        // Remove element from DOM
-        if (this.el_.parentNode) {
-          if (options.restoreEl) {
-            this.el_.parentNode.replaceChild(options.restoreEl, this.el_);
-          } else {
-            this.el_.parentNode.removeChild(this.el_);
-          }
-        }
-        this.el_ = null;
-      }
-
-      // remove reference to the player after disposing of the element
-      this.player_ = null;
-    }
-
-    /**
-     * Determine whether or not this component has been disposed.
-     *
-     * @return {boolean}
-     *         If the component has been disposed, will be `true`. Otherwise, `false`.
-     */
-    isDisposed() {
-      return Boolean(this.isDisposed_);
-    }
-
-    /**
-     * Return the {@link Player} that the `Component` has attached to.
-     *
-     * @return { import('./player').default }
-     *         The player that this `Component` has attached to.
-     */
-    player() {
-      return this.player_;
-    }
-
-    /**
-     * Deep merge of options objects with new options.
-     * > Note: When both `obj` and `options` contain properties whose values are objects.
-     *         The two properties get merged using {@link module:obj.merge}
-     *
-     * @param {Object} obj
-     *        The object that contains new options.
-     *
-     * @return {Object}
-     *         A new object of `this.options_` and `obj` merged together.
-     */
-    options(obj) {
-      if (!obj) {
-        return this.options_;
-      }
-      this.options_ = merge(this.options_, obj);
-      return this.options_;
-    }
-
-    /**
-     * Get the `Component`s DOM element
-     *
-     * @return {Element}
-     *         The DOM element for this `Component`.
-     */
-    el() {
-      return this.el_;
-    }
-
-    /**
-     * Create the `Component`s DOM element.
-     *
-     * @param {string} [tagName]
-     *        Element's DOM node type. e.g. 'div'
-     *
-     * @param {Object} [properties]
-     *        An object of properties that should be set.
-     *
-     * @param {Object} [attributes]
-     *        An object of attributes that should be set.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl(tagName, properties, attributes) {
-      return createEl(tagName, properties, attributes);
-    }
-
-    /**
-     * Localize a string given the string in english.
-     *
-     * If tokens are provided, it'll try and run a simple token replacement on the provided string.
-     * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.
-     *
-     * If a `defaultValue` is provided, it'll use that over `string`,
-     * if a value isn't found in provided language files.
-     * This is useful if you want to have a descriptive key for token replacement
-     * but have a succinct localized string and not require `en.json` to be included.
-     *
-     * Currently, it is used for the progress bar timing.
-     * ```js
-     * {
-     *   "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
-     * }
-     * ```
-     * It is then used like so:
-     * ```js
-     * this.localize('progress bar timing: currentTime={1} duration{2}',
-     *               [this.player_.currentTime(), this.player_.duration()],
-     *               '{1} of {2}');
-     * ```
-     *
-     * Which outputs something like: `01:23 of 24:56`.
-     *
-     *
-     * @param {string} string
-     *        The string to localize and the key to lookup in the language files.
-     * @param {string[]} [tokens]
-     *        If the current item has token replacements, provide the tokens here.
-     * @param {string} [defaultValue]
-     *        Defaults to `string`. Can be a default value to use for token replacement
-     *        if the lookup key is needed to be separate.
-     *
-     * @return {string}
-     *         The localized string or if no localization exists the english string.
-     */
-    localize(string, tokens, defaultValue = string) {
-      const code = this.player_.language && this.player_.language();
-      const languages = this.player_.languages && this.player_.languages();
-      const language = languages && languages[code];
-      const primaryCode = code && code.split('-')[0];
-      const primaryLang = languages && languages[primaryCode];
-      let localizedString = defaultValue;
-      if (language && language[string]) {
-        localizedString = language[string];
-      } else if (primaryLang && primaryLang[string]) {
-        localizedString = primaryLang[string];
-      }
-      if (tokens) {
-        localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
-          const value = tokens[index - 1];
-          let ret = value;
-          if (typeof value === 'undefined') {
-            ret = match;
-          }
-          return ret;
-        });
-      }
-      return localizedString;
-    }
-
-    /**
-     * Handles language change for the player in components. Should be overridden by sub-components.
-     *
-     * @abstract
-     */
-    handleLanguagechange() {}
-
-    /**
-     * Return the `Component`s DOM element. This is where children get inserted.
-     * This will usually be the the same as the element returned in {@link Component#el}.
-     *
-     * @return {Element}
-     *         The content element for this `Component`.
-     */
-    contentEl() {
-      return this.contentEl_ || this.el_;
-    }
-
-    /**
-     * Get this `Component`s ID
-     *
-     * @return {string}
-     *         The id of this `Component`
-     */
-    id() {
-      return this.id_;
-    }
-
-    /**
-     * Get the `Component`s name. The name gets used to reference the `Component`
-     * and is set during registration.
-     *
-     * @return {string}
-     *         The name of this `Component`.
-     */
-    name() {
-      return this.name_;
-    }
-
-    /**
-     * Get an array of all child components
-     *
-     * @return {Array}
-     *         The children
-     */
-    children() {
-      return this.children_;
-    }
-
-    /**
-     * Returns the child `Component` with the given `id`.
-     *
-     * @param {string} id
-     *        The id of the child `Component` to get.
-     *
-     * @return {Component|undefined}
-     *         The child `Component` with the given `id` or undefined.
-     */
-    getChildById(id) {
-      return this.childIndex_[id];
-    }
-
-    /**
-     * Returns the child `Component` with the given `name`.
-     *
-     * @param {string} name
-     *        The name of the child `Component` to get.
-     *
-     * @return {Component|undefined}
-     *         The child `Component` with the given `name` or undefined.
-     */
-    getChild(name) {
-      if (!name) {
-        return;
-      }
-      return this.childNameIndex_[name];
-    }
-
-    /**
-     * Returns the descendant `Component` following the givent
-     * descendant `names`. For instance ['foo', 'bar', 'baz'] would
-     * try to get 'foo' on the current component, 'bar' on the 'foo'
-     * component and 'baz' on the 'bar' component and return undefined
-     * if any of those don't exist.
-     *
-     * @param {...string[]|...string} names
-     *        The name of the child `Component` to get.
-     *
-     * @return {Component|undefined}
-     *         The descendant `Component` following the given descendant
-     *         `names` or undefined.
-     */
-    getDescendant(...names) {
-      // flatten array argument into the main array
-      names = names.reduce((acc, n) => acc.concat(n), []);
-      let currentChild = this;
-      for (let i = 0; i < names.length; i++) {
-        currentChild = currentChild.getChild(names[i]);
-        if (!currentChild || !currentChild.getChild) {
-          return;
-        }
-      }
-      return currentChild;
-    }
-
-    /**
-     * Adds an SVG icon element to another element or component.
-     *
-     * @param {string} iconName
-     *        The name of icon. A list of all the icon names can be found at 'sandbox/svg-icons.html'
-     *
-     * @param {Element} [el=this.el()]
-     *        Element to set the title on. Defaults to the current Component's element.
-     *
-     * @return {Element}
-     *        The newly created icon element.
-     */
-    setIcon(iconName, el = this.el()) {
-      // TODO: In v9 of video.js, we will want to remove font icons entirely.
-      // This means this check, as well as the others throughout the code, and
-      // the unecessary CSS for font icons, will need to be removed.
-      // See https://github.com/videojs/video.js/pull/8260 as to which components
-      // need updating.
-      if (!this.player_.options_.experimentalSvgIcons) {
-        return;
-      }
-      const xmlnsURL = 'http://www.w3.org/2000/svg';
-
-      // The below creates an element in the format of:
-      // <span><svg><use>....</use></svg></span>
-      const iconContainer = createEl('span', {
-        className: 'vjs-icon-placeholder vjs-svg-icon'
-      }, {
-        'aria-hidden': 'true'
-      });
-      const svgEl = document.createElementNS(xmlnsURL, 'svg');
-      svgEl.setAttributeNS(null, 'viewBox', '0 0 512 512');
-      const useEl = document.createElementNS(xmlnsURL, 'use');
-      svgEl.appendChild(useEl);
-      useEl.setAttributeNS(null, 'href', `#vjs-icon-${iconName}`);
-      iconContainer.appendChild(svgEl);
-
-      // Replace a pre-existing icon if one exists.
-      if (this.iconIsSet_) {
-        el.replaceChild(iconContainer, el.querySelector('.vjs-icon-placeholder'));
-      } else {
-        el.appendChild(iconContainer);
-      }
-      this.iconIsSet_ = true;
-      return iconContainer;
-    }
-
-    /**
-     * Add a child `Component` inside the current `Component`.
-     *
-     * @param {string|Component} child
-     *        The name or instance of a child to add.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of options that will get passed to children of
-     *        the child.
-     *
-     * @param {number} [index=this.children_.length]
-     *        The index to attempt to add a child into.
-     *
-     *
-     * @return {Component}
-     *         The `Component` that gets added as a child. When using a string the
-     *         `Component` will get created by this process.
-     */
-    addChild(child, options = {}, index = this.children_.length) {
-      let component;
-      let componentName;
-
-      // If child is a string, create component with options
-      if (typeof child === 'string') {
-        componentName = toTitleCase(child);
-        const componentClassName = options.componentClass || componentName;
-
-        // Set name through options
-        options.name = componentName;
-
-        // Create a new object & element for this controls set
-        // If there's no .player_, this is a player
-        const ComponentClass = Component.getComponent(componentClassName);
-        if (!ComponentClass) {
-          throw new Error(`Component ${componentClassName} does not exist`);
-        }
-
-        // data stored directly on the videojs object may be
-        // misidentified as a component to retain
-        // backwards-compatibility with 4.x. check to make sure the
-        // component class can be instantiated.
-        if (typeof ComponentClass !== 'function') {
-          return null;
-        }
-        component = new ComponentClass(this.player_ || this, options);
-
-        // child is a component instance
-      } else {
-        component = child;
-      }
-      if (component.parentComponent_) {
-        component.parentComponent_.removeChild(component);
-      }
-      this.children_.splice(index, 0, component);
-      component.parentComponent_ = this;
-      if (typeof component.id === 'function') {
-        this.childIndex_[component.id()] = component;
-      }
-
-      // If a name wasn't used to create the component, check if we can use the
-      // name function of the component
-      componentName = componentName || component.name && toTitleCase(component.name());
-      if (componentName) {
-        this.childNameIndex_[componentName] = component;
-        this.childNameIndex_[toLowerCase(componentName)] = component;
-      }
-
-      // Add the UI object's element to the container div (box)
-      // Having an element is not required
-      if (typeof component.el === 'function' && component.el()) {
-        // If inserting before a component, insert before that component's element
-        let refNode = null;
-        if (this.children_[index + 1]) {
-          // Most children are components, but the video tech is an HTML element
-          if (this.children_[index + 1].el_) {
-            refNode = this.children_[index + 1].el_;
-          } else if (isEl(this.children_[index + 1])) {
-            refNode = this.children_[index + 1];
-          }
-        }
-        this.contentEl().insertBefore(component.el(), refNode);
-      }
-
-      // Return so it can stored on parent object if desired.
-      return component;
-    }
-
-    /**
-     * Remove a child `Component` from this `Component`s list of children. Also removes
-     * the child `Component`s element from this `Component`s element.
-     *
-     * @param {Component} component
-     *        The child `Component` to remove.
-     */
-    removeChild(component) {
-      if (typeof component === 'string') {
-        component = this.getChild(component);
-      }
-      if (!component || !this.children_) {
-        return;
-      }
-      let childFound = false;
-      for (let i = this.children_.length - 1; i >= 0; i--) {
-        if (this.children_[i] === component) {
-          childFound = true;
-          this.children_.splice(i, 1);
-          break;
-        }
-      }
-      if (!childFound) {
-        return;
-      }
-      component.parentComponent_ = null;
-      this.childIndex_[component.id()] = null;
-      this.childNameIndex_[toTitleCase(component.name())] = null;
-      this.childNameIndex_[toLowerCase(component.name())] = null;
-      const compEl = component.el();
-      if (compEl && compEl.parentNode === this.contentEl()) {
-        this.contentEl().removeChild(component.el());
-      }
-    }
-
-    /**
-     * Add and initialize default child `Component`s based upon options.
-     */
-    initChildren() {
-      const children = this.options_.children;
-      if (children) {
-        // `this` is `parent`
-        const parentOptions = this.options_;
-        const handleAdd = child => {
-          const name = child.name;
-          let opts = child.opts;
-
-          // Allow options for children to be set at the parent options
-          // e.g. videojs(id, { controlBar: false });
-          // instead of videojs(id, { children: { controlBar: false });
-          if (parentOptions[name] !== undefined) {
-            opts = parentOptions[name];
-          }
-
-          // Allow for disabling default components
-          // e.g. options['children']['posterImage'] = false
-          if (opts === false) {
-            return;
-          }
-
-          // Allow options to be passed as a simple boolean if no configuration
-          // is necessary.
-          if (opts === true) {
-            opts = {};
-          }
-
-          // We also want to pass the original player options
-          // to each component as well so they don't need to
-          // reach back into the player for options later.
-          opts.playerOptions = this.options_.playerOptions;
-
-          // Create and add the child component.
-          // Add a direct reference to the child by name on the parent instance.
-          // If two of the same component are used, different names should be supplied
-          // for each
-          const newChild = this.addChild(name, opts);
-          if (newChild) {
-            this[name] = newChild;
-          }
-        };
-
-        // Allow for an array of children details to passed in the options
-        let workingChildren;
-        const Tech = Component.getComponent('Tech');
-        if (Array.isArray(children)) {
-          workingChildren = children;
-        } else {
-          workingChildren = Object.keys(children);
-        }
-        workingChildren
-        // children that are in this.options_ but also in workingChildren  would
-        // give us extra children we do not want. So, we want to filter them out.
-        .concat(Object.keys(this.options_).filter(function (child) {
-          return !workingChildren.some(function (wchild) {
-            if (typeof wchild === 'string') {
-              return child === wchild;
-            }
-            return child === wchild.name;
-          });
-        })).map(child => {
-          let name;
-          let opts;
-          if (typeof child === 'string') {
-            name = child;
-            opts = children[name] || this.options_[name] || {};
-          } else {
-            name = child.name;
-            opts = child;
-          }
-          return {
-            name,
-            opts
-          };
-        }).filter(child => {
-          // we have to make sure that child.name isn't in the techOrder since
-          // techs are registered as Components but can't aren't compatible
-          // See https://github.com/videojs/video.js/issues/2772
-          const c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
-          return c && !Tech.isTech(c);
-        }).forEach(handleAdd);
-      }
-    }
-
-    /**
-     * Builds the default DOM class name. Should be overridden by sub-components.
-     *
-     * @return {string}
-     *         The DOM class name for this object.
-     *
-     * @abstract
-     */
-    buildCSSClass() {
-      // Child classes can include a function that does:
-      // return 'CLASS NAME' + this._super();
-      return '';
-    }
-
-    /**
-     * Bind a listener to the component's ready state.
-     * Different from event listeners in that if the ready event has already happened
-     * it will trigger the function immediately.
-     *
-     * @param {ReadyCallback} fn
-     *        Function that gets called when the `Component` is ready.
-     *
-     * @return {Component}
-     *         Returns itself; method can be chained.
-     */
-    ready(fn, sync = false) {
-      if (!fn) {
-        return;
-      }
-      if (!this.isReady_) {
-        this.readyQueue_ = this.readyQueue_ || [];
-        this.readyQueue_.push(fn);
-        return;
-      }
-      if (sync) {
-        fn.call(this);
-      } else {
-        // Call the function asynchronously by default for consistency
-        this.setTimeout(fn, 1);
-      }
-    }
-
-    /**
-     * Trigger all the ready listeners for this `Component`.
-     *
-     * @fires Component#ready
-     */
-    triggerReady() {
-      this.isReady_ = true;
-
-      // Ensure ready is triggered asynchronously
-      this.setTimeout(function () {
-        const readyQueue = this.readyQueue_;
-
-        // Reset Ready Queue
-        this.readyQueue_ = [];
-        if (readyQueue && readyQueue.length > 0) {
-          readyQueue.forEach(function (fn) {
-            fn.call(this);
-          }, this);
-        }
-
-        // Allow for using event listeners also
-        /**
-         * Triggered when a `Component` is ready.
-         *
-         * @event Component#ready
-         * @type {Event}
-         */
-        this.trigger('ready');
-      }, 1);
-    }
-
-    /**
-     * Find a single DOM element matching a `selector`. This can be within the `Component`s
-     * `contentEl()` or another custom context.
-     *
-     * @param {string} selector
-     *        A valid CSS selector, which will be passed to `querySelector`.
-     *
-     * @param {Element|string} [context=this.contentEl()]
-     *        A DOM element within which to query. Can also be a selector string in
-     *        which case the first matching element will get used as context. If
-     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns
-     *        nothing it falls back to `document`.
-     *
-     * @return {Element|null}
-     *         the dom element that was found, or null
-     *
-     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
-     */
-    $(selector, context) {
-      return $(selector, context || this.contentEl());
-    }
-
-    /**
-     * Finds all DOM element matching a `selector`. This can be within the `Component`s
-     * `contentEl()` or another custom context.
-     *
-     * @param {string} selector
-     *        A valid CSS selector, which will be passed to `querySelectorAll`.
-     *
-     * @param {Element|string} [context=this.contentEl()]
-     *        A DOM element within which to query. Can also be a selector string in
-     *        which case the first matching element will get used as context. If
-     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns
-     *        nothing it falls back to `document`.
-     *
-     * @return {NodeList}
-     *         a list of dom elements that were found
-     *
-     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
-     */
-    $$(selector, context) {
-      return $$(selector, context || this.contentEl());
-    }
-
-    /**
-     * Check if a component's element has a CSS class name.
-     *
-     * @param {string} classToCheck
-     *        CSS class name to check.
-     *
-     * @return {boolean}
-     *         - True if the `Component` has the class.
-     *         - False if the `Component` does not have the class`
-     */
-    hasClass(classToCheck) {
-      return hasClass(this.el_, classToCheck);
-    }
-
-    /**
-     * Add a CSS class name to the `Component`s element.
-     *
-     * @param {...string} classesToAdd
-     *        One or more CSS class name to add.
-     */
-    addClass(...classesToAdd) {
-      addClass(this.el_, ...classesToAdd);
-    }
-
-    /**
-     * Remove a CSS class name from the `Component`s element.
-     *
-     * @param {...string} classesToRemove
-     *        One or more CSS class name to remove.
-     */
-    removeClass(...classesToRemove) {
-      removeClass(this.el_, ...classesToRemove);
-    }
-
-    /**
-     * Add or remove a CSS class name from the component's element.
-     * - `classToToggle` gets added when {@link Component#hasClass} would return false.
-     * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
-     *
-     * @param  {string} classToToggle
-     *         The class to add or remove based on (@link Component#hasClass}
-     *
-     * @param  {boolean|Dom~predicate} [predicate]
-     *         An {@link Dom~predicate} function or a boolean
-     */
-    toggleClass(classToToggle, predicate) {
-      toggleClass(this.el_, classToToggle, predicate);
-    }
-
-    /**
-     * Show the `Component`s element if it is hidden by removing the
-     * 'vjs-hidden' class name from it.
-     */
-    show() {
-      this.removeClass('vjs-hidden');
-    }
-
-    /**
-     * Hide the `Component`s element if it is currently showing by adding the
-     * 'vjs-hidden` class name to it.
-     */
-    hide() {
-      this.addClass('vjs-hidden');
-    }
-
-    /**
-     * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
-     * class name to it. Used during fadeIn/fadeOut.
-     *
-     * @private
-     */
-    lockShowing() {
-      this.addClass('vjs-lock-showing');
-    }
-
-    /**
-     * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
-     * class name from it. Used during fadeIn/fadeOut.
-     *
-     * @private
-     */
-    unlockShowing() {
-      this.removeClass('vjs-lock-showing');
-    }
-
-    /**
-     * Get the value of an attribute on the `Component`s element.
-     *
-     * @param {string} attribute
-     *        Name of the attribute to get the value from.
-     *
-     * @return {string|null}
-     *         - The value of the attribute that was asked for.
-     *         - Can be an empty string on some browsers if the attribute does not exist
-     *           or has no value
-     *         - Most browsers will return null if the attribute does not exist or has
-     *           no value.
-     *
-     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
-     */
-    getAttribute(attribute) {
-      return getAttribute(this.el_, attribute);
-    }
-
-    /**
-     * Set the value of an attribute on the `Component`'s element
-     *
-     * @param {string} attribute
-     *        Name of the attribute to set.
-     *
-     * @param {string} value
-     *        Value to set the attribute to.
-     *
-     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
-     */
-    setAttribute(attribute, value) {
-      setAttribute(this.el_, attribute, value);
-    }
-
-    /**
-     * Remove an attribute from the `Component`s element.
-     *
-     * @param {string} attribute
-     *        Name of the attribute to remove.
-     *
-     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
-     */
-    removeAttribute(attribute) {
-      removeAttribute(this.el_, attribute);
-    }
-
-    /**
-     * Get or set the width of the component based upon the CSS styles.
-     * See {@link Component#dimension} for more detailed information.
-     *
-     * @param {number|string} [num]
-     *        The width that you want to set postfixed with '%', 'px' or nothing.
-     *
-     * @param {boolean} [skipListeners]
-     *        Skip the componentresize event trigger
-     *
-     * @return {number|undefined}
-     *         The width when getting, zero if there is no width
-     */
-    width(num, skipListeners) {
-      return this.dimension('width', num, skipListeners);
-    }
-
-    /**
-     * Get or set the height of the component based upon the CSS styles.
-     * See {@link Component#dimension} for more detailed information.
-     *
-     * @param {number|string} [num]
-     *        The height that you want to set postfixed with '%', 'px' or nothing.
-     *
-     * @param {boolean} [skipListeners]
-     *        Skip the componentresize event trigger
-     *
-     * @return {number|undefined}
-     *         The height when getting, zero if there is no height
-     */
-    height(num, skipListeners) {
-      return this.dimension('height', num, skipListeners);
-    }
-
-    /**
-     * Set both the width and height of the `Component` element at the same time.
-     *
-     * @param  {number|string} width
-     *         Width to set the `Component`s element to.
-     *
-     * @param  {number|string} height
-     *         Height to set the `Component`s element to.
-     */
-    dimensions(width, height) {
-      // Skip componentresize listeners on width for optimization
-      this.width(width, true);
-      this.height(height);
-    }
-
-    /**
-     * Get or set width or height of the `Component` element. This is the shared code
-     * for the {@link Component#width} and {@link Component#height}.
-     *
-     * Things to know:
-     * - If the width or height in an number this will return the number postfixed with 'px'.
-     * - If the width/height is a percent this will return the percent postfixed with '%'
-     * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
-     *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
-     *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
-     *   for more information
-     * - If you want the computed style of the component, use {@link Component#currentWidth}
-     *   and {@link {Component#currentHeight}
-     *
-     * @fires Component#componentresize
-     *
-     * @param {string} widthOrHeight
-     8        'width' or 'height'
-     *
-     * @param  {number|string} [num]
-     8         New dimension
-     *
-     * @param  {boolean} [skipListeners]
-     *         Skip componentresize event trigger
-     *
-     * @return {number|undefined}
-     *         The dimension when getting or 0 if unset
-     */
-    dimension(widthOrHeight, num, skipListeners) {
-      if (num !== undefined) {
-        // Set to zero if null or literally NaN (NaN !== NaN)
-        if (num === null || num !== num) {
-          num = 0;
-        }
-
-        // Check if using css width/height (% or px) and adjust
-        if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
-          this.el_.style[widthOrHeight] = num;
-        } else if (num === 'auto') {
-          this.el_.style[widthOrHeight] = '';
-        } else {
-          this.el_.style[widthOrHeight] = num + 'px';
-        }
-
-        // skipListeners allows us to avoid triggering the resize event when setting both width and height
-        if (!skipListeners) {
-          /**
-           * Triggered when a component is resized.
-           *
-           * @event Component#componentresize
-           * @type {Event}
-           */
-          this.trigger('componentresize');
-        }
-        return;
-      }
-
-      // Not setting a value, so getting it
-      // Make sure element exists
-      if (!this.el_) {
-        return 0;
-      }
-
-      // Get dimension value from style
-      const val = this.el_.style[widthOrHeight];
-      const pxIndex = val.indexOf('px');
-      if (pxIndex !== -1) {
-        // Return the pixel value with no 'px'
-        return parseInt(val.slice(0, pxIndex), 10);
-      }
-
-      // No px so using % or no style was set, so falling back to offsetWidth/height
-      // If component has display:none, offset will return 0
-      // TODO: handle display:none and no dimension style using px
-      return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
-    }
-
-    /**
-     * Get the computed width or the height of the component's element.
-     *
-     * Uses `window.getComputedStyle`.
-     *
-     * @param {string} widthOrHeight
-     *        A string containing 'width' or 'height'. Whichever one you want to get.
-     *
-     * @return {number}
-     *         The dimension that gets asked for or 0 if nothing was set
-     *         for that dimension.
-     */
-    currentDimension(widthOrHeight) {
-      let computedWidthOrHeight = 0;
-      if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
-        throw new Error('currentDimension only accepts width or height value');
-      }
-      computedWidthOrHeight = computedStyle(this.el_, widthOrHeight);
-
-      // remove 'px' from variable and parse as integer
-      computedWidthOrHeight = parseFloat(computedWidthOrHeight);
-
-      // if the computed value is still 0, it's possible that the browser is lying
-      // and we want to check the offset values.
-      // This code also runs wherever getComputedStyle doesn't exist.
-      if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) {
-        const rule = `offset${toTitleCase(widthOrHeight)}`;
-        computedWidthOrHeight = this.el_[rule];
-      }
-      return computedWidthOrHeight;
-    }
-
-    /**
-     * An object that contains width and height values of the `Component`s
-     * computed style. Uses `window.getComputedStyle`.
-     *
-     * @typedef {Object} Component~DimensionObject
-     *
-     * @property {number} width
-     *           The width of the `Component`s computed style.
-     *
-     * @property {number} height
-     *           The height of the `Component`s computed style.
-     */
-
-    /**
-     * Get an object that contains computed width and height values of the
-     * component's element.
-     *
-     * Uses `window.getComputedStyle`.
-     *
-     * @return {Component~DimensionObject}
-     *         The computed dimensions of the component's element.
-     */
-    currentDimensions() {
-      return {
-        width: this.currentDimension('width'),
-        height: this.currentDimension('height')
-      };
-    }
-
-    /**
-     * Get the computed width of the component's element.
-     *
-     * Uses `window.getComputedStyle`.
-     *
-     * @return {number}
-     *         The computed width of the component's element.
-     */
-    currentWidth() {
-      return this.currentDimension('width');
-    }
-
-    /**
-     * Get the computed height of the component's element.
-     *
-     * Uses `window.getComputedStyle`.
-     *
-     * @return {number}
-     *         The computed height of the component's element.
-     */
-    currentHeight() {
-      return this.currentDimension('height');
-    }
-
-    /**
-     * Set the focus to this component
-     */
-    focus() {
-      this.el_.focus();
-    }
-
-    /**
-     * Remove the focus from this component
-     */
-    blur() {
-      this.el_.blur();
-    }
-
-    /**
-     * When this Component receives a `keydown` event which it does not process,
-     *  it passes the event to the Player for handling.
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     */
-    handleKeyDown(event) {
-      if (this.player_) {
-        // We only stop propagation here because we want unhandled events to fall
-        // back to the browser. Exclude Tab for focus trapping.
-        if (!keycode.isEventKey(event, 'Tab')) {
-          event.stopPropagation();
-        }
-        this.player_.handleKeyDown(event);
-      }
-    }
-
-    /**
-     * Many components used to have a `handleKeyPress` method, which was poorly
-     * named because it listened to a `keydown` event. This method name now
-     * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress`
-     * will not see their method calls stop working.
-     *
-     * @param {KeyboardEvent} event
-     *        The event that caused this function to be called.
-     */
-    handleKeyPress(event) {
-      this.handleKeyDown(event);
-    }
-
-    /**
-     * Emit a 'tap' events when touch event support gets detected. This gets used to
-     * support toggling the controls through a tap on the video. They get enabled
-     * because every sub-component would have extra overhead otherwise.
-     *
-     * @protected
-     * @fires Component#tap
-     * @listens Component#touchstart
-     * @listens Component#touchmove
-     * @listens Component#touchleave
-     * @listens Component#touchcancel
-     * @listens Component#touchend
-      */
-    emitTapEvents() {
-      // Track the start time so we can determine how long the touch lasted
-      let touchStart = 0;
-      let firstTouch = null;
-
-      // Maximum movement allowed during a touch event to still be considered a tap
-      // Other popular libs use anywhere from 2 (hammer.js) to 15,
-      // so 10 seems like a nice, round number.
-      const tapMovementThreshold = 10;
-
-      // The maximum length a touch can be while still being considered a tap
-      const touchTimeThreshold = 200;
-      let couldBeTap;
-      this.on('touchstart', function (event) {
-        // If more than one finger, don't consider treating this as a click
-        if (event.touches.length === 1) {
-          // Copy pageX/pageY from the object
-          firstTouch = {
-            pageX: event.touches[0].pageX,
-            pageY: event.touches[0].pageY
-          };
-          // Record start time so we can detect a tap vs. "touch and hold"
-          touchStart = window.performance.now();
-          // Reset couldBeTap tracking
-          couldBeTap = true;
-        }
-      });
-      this.on('touchmove', function (event) {
-        // If more than one finger, don't consider treating this as a click
-        if (event.touches.length > 1) {
-          couldBeTap = false;
-        } else if (firstTouch) {
-          // Some devices will throw touchmoves for all but the slightest of taps.
-          // So, if we moved only a small distance, this could still be a tap
-          const xdiff = event.touches[0].pageX - firstTouch.pageX;
-          const ydiff = event.touches[0].pageY - firstTouch.pageY;
-          const touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
-          if (touchDistance > tapMovementThreshold) {
-            couldBeTap = false;
-          }
-        }
-      });
-      const noTap = function () {
-        couldBeTap = false;
-      };
-
-      // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
-      this.on('touchleave', noTap);
-      this.on('touchcancel', noTap);
-
-      // When the touch ends, measure how long it took and trigger the appropriate
-      // event
-      this.on('touchend', function (event) {
-        firstTouch = null;
-        // Proceed only if the touchmove/leave/cancel event didn't happen
-        if (couldBeTap === true) {
-          // Measure how long the touch lasted
-          const touchTime = window.performance.now() - touchStart;
-
-          // Make sure the touch was less than the threshold to be considered a tap
-          if (touchTime < touchTimeThreshold) {
-            // Don't let browser turn this into a click
-            event.preventDefault();
-            /**
-             * Triggered when a `Component` is tapped.
-             *
-             * @event Component#tap
-             * @type {MouseEvent}
-             */
-            this.trigger('tap');
-            // It may be good to copy the touchend event object and change the
-            // type to tap, if the other event properties aren't exact after
-            // Events.fixEvent runs (e.g. event.target)
-          }
-        }
-      });
-    }
-
-    /**
-     * This function reports user activity whenever touch events happen. This can get
-     * turned off by any sub-components that wants touch events to act another way.
-     *
-     * Report user touch activity when touch events occur. User activity gets used to
-     * determine when controls should show/hide. It is simple when it comes to mouse
-     * events, because any mouse event should show the controls. So we capture mouse
-     * events that bubble up to the player and report activity when that happens.
-     * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
-     * controls. So touch events can't help us at the player level either.
-     *
-     * User activity gets checked asynchronously. So what could happen is a tap event
-     * on the video turns the controls off. Then the `touchend` event bubbles up to
-     * the player. Which, if it reported user activity, would turn the controls right
-     * back on. We also don't want to completely block touch events from bubbling up.
-     * Furthermore a `touchmove` event and anything other than a tap, should not turn
-     * controls back on.
-     *
-     * @listens Component#touchstart
-     * @listens Component#touchmove
-     * @listens Component#touchend
-     * @listens Component#touchcancel
-     */
-    enableTouchActivity() {
-      // Don't continue if the root player doesn't support reporting user activity
-      if (!this.player() || !this.player().reportUserActivity) {
-        return;
-      }
-
-      // listener for reporting that the user is active
-      const report = bind_(this.player(), this.player().reportUserActivity);
-      let touchHolding;
-      this.on('touchstart', function () {
-        report();
-        // For as long as the they are touching the device or have their mouse down,
-        // we consider them active even if they're not moving their finger or mouse.
-        // So we want to continue to update that they are active
-        this.clearInterval(touchHolding);
-        // report at the same interval as activityCheck
-        touchHolding = this.setInterval(report, 250);
-      });
-      const touchEnd = function (event) {
-        report();
-        // stop the interval that maintains activity if the touch is holding
-        this.clearInterval(touchHolding);
-      };
-      this.on('touchmove', report);
-      this.on('touchend', touchEnd);
-      this.on('touchcancel', touchEnd);
-    }
-
-    /**
-     * A callback that has no parameters and is bound into `Component`s context.
-     *
-     * @callback Component~GenericCallback
-     * @this Component
-     */
-
-    /**
-     * Creates a function that runs after an `x` millisecond timeout. This function is a
-     * wrapper around `window.setTimeout`. There are a few reasons to use this one
-     * instead though:
-     * 1. It gets cleared via  {@link Component#clearTimeout} when
-     *    {@link Component#dispose} gets called.
-     * 2. The function callback will gets turned into a {@link Component~GenericCallback}
-     *
-     * > Note: You can't use `window.clearTimeout` on the id returned by this function. This
-     *         will cause its dispose listener not to get cleaned up! Please use
-     *         {@link Component#clearTimeout} or {@link Component#dispose} instead.
-     *
-     * @param {Component~GenericCallback} fn
-     *        The function that will be run after `timeout`.
-     *
-     * @param {number} timeout
-     *        Timeout in milliseconds to delay before executing the specified function.
-     *
-     * @return {number}
-     *         Returns a timeout ID that gets used to identify the timeout. It can also
-     *         get used in {@link Component#clearTimeout} to clear the timeout that
-     *         was set.
-     *
-     * @listens Component#dispose
-     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
-     */
-    setTimeout(fn, timeout) {
-      // declare as variables so they are properly available in timeout function
-      // eslint-disable-next-line
-      var timeoutId;
-      fn = bind_(this, fn);
-      this.clearTimersOnDispose_();
-      timeoutId = window.setTimeout(() => {
-        if (this.setTimeoutIds_.has(timeoutId)) {
-          this.setTimeoutIds_.delete(timeoutId);
-        }
-        fn();
-      }, timeout);
-      this.setTimeoutIds_.add(timeoutId);
-      return timeoutId;
-    }
-
-    /**
-     * Clears a timeout that gets created via `window.setTimeout` or
-     * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
-     * use this function instead of `window.clearTimout`. If you don't your dispose
-     * listener will not get cleaned up until {@link Component#dispose}!
-     *
-     * @param {number} timeoutId
-     *        The id of the timeout to clear. The return value of
-     *        {@link Component#setTimeout} or `window.setTimeout`.
-     *
-     * @return {number}
-     *         Returns the timeout id that was cleared.
-     *
-     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
-     */
-    clearTimeout(timeoutId) {
-      if (this.setTimeoutIds_.has(timeoutId)) {
-        this.setTimeoutIds_.delete(timeoutId);
-        window.clearTimeout(timeoutId);
-      }
-      return timeoutId;
-    }
-
-    /**
-     * Creates a function that gets run every `x` milliseconds. This function is a wrapper
-     * around `window.setInterval`. There are a few reasons to use this one instead though.
-     * 1. It gets cleared via  {@link Component#clearInterval} when
-     *    {@link Component#dispose} gets called.
-     * 2. The function callback will be a {@link Component~GenericCallback}
-     *
-     * @param {Component~GenericCallback} fn
-     *        The function to run every `x` seconds.
-     *
-     * @param {number} interval
-     *        Execute the specified function every `x` milliseconds.
-     *
-     * @return {number}
-     *         Returns an id that can be used to identify the interval. It can also be be used in
-     *         {@link Component#clearInterval} to clear the interval.
-     *
-     * @listens Component#dispose
-     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
-     */
-    setInterval(fn, interval) {
-      fn = bind_(this, fn);
-      this.clearTimersOnDispose_();
-      const intervalId = window.setInterval(fn, interval);
-      this.setIntervalIds_.add(intervalId);
-      return intervalId;
-    }
-
-    /**
-     * Clears an interval that gets created via `window.setInterval` or
-     * {@link Component#setInterval}. If you set an interval via {@link Component#setInterval}
-     * use this function instead of `window.clearInterval`. If you don't your dispose
-     * listener will not get cleaned up until {@link Component#dispose}!
-     *
-     * @param {number} intervalId
-     *        The id of the interval to clear. The return value of
-     *        {@link Component#setInterval} or `window.setInterval`.
-     *
-     * @return {number}
-     *         Returns the interval id that was cleared.
-     *
-     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
-     */
-    clearInterval(intervalId) {
-      if (this.setIntervalIds_.has(intervalId)) {
-        this.setIntervalIds_.delete(intervalId);
-        window.clearInterval(intervalId);
-      }
-      return intervalId;
-    }
-
-    /**
-     * Queues up a callback to be passed to requestAnimationFrame (rAF), but
-     * with a few extra bonuses:
-     *
-     * - Supports browsers that do not support rAF by falling back to
-     *   {@link Component#setTimeout}.
-     *
-     * - The callback is turned into a {@link Component~GenericCallback} (i.e.
-     *   bound to the component).
-     *
-     * - Automatic cancellation of the rAF callback is handled if the component
-     *   is disposed before it is called.
-     *
-     * @param  {Component~GenericCallback} fn
-     *         A function that will be bound to this component and executed just
-     *         before the browser's next repaint.
-     *
-     * @return {number}
-     *         Returns an rAF ID that gets used to identify the timeout. It can
-     *         also be used in {@link Component#cancelAnimationFrame} to cancel
-     *         the animation frame callback.
-     *
-     * @listens Component#dispose
-     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
-     */
-    requestAnimationFrame(fn) {
-      this.clearTimersOnDispose_();
-
-      // declare as variables so they are properly available in rAF function
-      // eslint-disable-next-line
-      var id;
-      fn = bind_(this, fn);
-      id = window.requestAnimationFrame(() => {
-        if (this.rafIds_.has(id)) {
-          this.rafIds_.delete(id);
-        }
-        fn();
-      });
-      this.rafIds_.add(id);
-      return id;
-    }
-
-    /**
-     * Request an animation frame, but only one named animation
-     * frame will be queued. Another will never be added until
-     * the previous one finishes.
-     *
-     * @param {string} name
-     *        The name to give this requestAnimationFrame
-     *
-     * @param  {Component~GenericCallback} fn
-     *         A function that will be bound to this component and executed just
-     *         before the browser's next repaint.
-     */
-    requestNamedAnimationFrame(name, fn) {
-      if (this.namedRafs_.has(name)) {
-        return;
-      }
-      this.clearTimersOnDispose_();
-      fn = bind_(this, fn);
-      const id = this.requestAnimationFrame(() => {
-        fn();
-        if (this.namedRafs_.has(name)) {
-          this.namedRafs_.delete(name);
-        }
-      });
-      this.namedRafs_.set(name, id);
-      return name;
-    }
-
-    /**
-     * Cancels a current named animation frame if it exists.
-     *
-     * @param {string} name
-     *        The name of the requestAnimationFrame to cancel.
-     */
-    cancelNamedAnimationFrame(name) {
-      if (!this.namedRafs_.has(name)) {
-        return;
-      }
-      this.cancelAnimationFrame(this.namedRafs_.get(name));
-      this.namedRafs_.delete(name);
-    }
-
-    /**
-     * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
-     * (rAF).
-     *
-     * If you queue an rAF callback via {@link Component#requestAnimationFrame},
-     * use this function instead of `window.cancelAnimationFrame`. If you don't,
-     * your dispose listener will not get cleaned up until {@link Component#dispose}!
-     *
-     * @param {number} id
-     *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
-     *
-     * @return {number}
-     *         Returns the rAF ID that was cleared.
-     *
-     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
-     */
-    cancelAnimationFrame(id) {
-      if (this.rafIds_.has(id)) {
-        this.rafIds_.delete(id);
-        window.cancelAnimationFrame(id);
-      }
-      return id;
-    }
-
-    /**
-     * A function to setup `requestAnimationFrame`, `setTimeout`,
-     * and `setInterval`, clearing on dispose.
-     *
-     * > Previously each timer added and removed dispose listeners on it's own.
-     * For better performance it was decided to batch them all, and use `Set`s
-     * to track outstanding timer ids.
-     *
-     * @private
-     */
-    clearTimersOnDispose_() {
-      if (this.clearingTimersOnDispose_) {
-        return;
-      }
-      this.clearingTimersOnDispose_ = true;
-      this.one('dispose', () => {
-        [['namedRafs_', 'cancelNamedAnimationFrame'], ['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(([idName, cancelName]) => {
-          // for a `Set` key will actually be the value again
-          // so forEach((val, val) =>` but for maps we want to use
-          // the key.
-          this[idName].forEach((val, key) => this[cancelName](key));
-        });
-        this.clearingTimersOnDispose_ = false;
-      });
-    }
-
-    /**
-     * Register a `Component` with `videojs` given the name and the component.
-     *
-     * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
-     *         should be registered using {@link Tech.registerTech} or
-     *         {@link videojs:videojs.registerTech}.
-     *
-     * > NOTE: This function can also be seen on videojs as
-     *         {@link videojs:videojs.registerComponent}.
-     *
-     * @param {string} name
-     *        The name of the `Component` to register.
-     *
-     * @param {Component} ComponentToRegister
-     *        The `Component` class to register.
-     *
-     * @return {Component}
-     *         The `Component` that was registered.
-     */
-    static registerComponent(name, ComponentToRegister) {
-      if (typeof name !== 'string' || !name) {
-        throw new Error(`Illegal component name, "${name}"; must be a non-empty string.`);
-      }
-      const Tech = Component.getComponent('Tech');
-
-      // We need to make sure this check is only done if Tech has been registered.
-      const isTech = Tech && Tech.isTech(ComponentToRegister);
-      const isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
-      if (isTech || !isComp) {
-        let reason;
-        if (isTech) {
-          reason = 'techs must be registered using Tech.registerTech()';
-        } else {
-          reason = 'must be a Component subclass';
-        }
-        throw new Error(`Illegal component, "${name}"; ${reason}.`);
-      }
-      name = toTitleCase(name);
-      if (!Component.components_) {
-        Component.components_ = {};
-      }
-      const Player = Component.getComponent('Player');
-      if (name === 'Player' && Player && Player.players) {
-        const players = Player.players;
-        const playerNames = Object.keys(players);
-
-        // If we have players that were disposed, then their name will still be
-        // in Players.players. So, we must loop through and verify that the value
-        // for each item is not null. This allows registration of the Player component
-        // after all players have been disposed or before any were created.
-        if (players && playerNames.length > 0 && playerNames.map(pname => players[pname]).every(Boolean)) {
-          throw new Error('Can not register Player component after player has been created.');
-        }
-      }
-      Component.components_[name] = ComponentToRegister;
-      Component.components_[toLowerCase(name)] = ComponentToRegister;
-      return ComponentToRegister;
-    }
-
-    /**
-     * Get a `Component` based on the name it was registered with.
-     *
-     * @param {string} name
-     *        The Name of the component to get.
-     *
-     * @return {typeof Component}
-     *         The `Component` that got registered under the given name.
-     */
-    static getComponent(name) {
-      if (!name || !Component.components_) {
-        return;
-      }
-      return Component.components_[name];
-    }
-  }
-  Component.registerComponent('Component', Component);
-
-  /**
-   * @file time.js
-   * @module time
-   */
-
-  /**
-   * Returns the time for the specified index at the start or end
-   * of a TimeRange object.
-   *
-   * @typedef    {Function} TimeRangeIndex
-   *
-   * @param      {number} [index=0]
-   *             The range number to return the time for.
-   *
-   * @return     {number}
-   *             The time offset at the specified index.
-   *
-   * @deprecated The index argument must be provided.
-   *             In the future, leaving it out will throw an error.
-   */
-
-  /**
-   * An object that contains ranges of time, which mimics {@link TimeRanges}.
-   *
-   * @typedef  {Object} TimeRange
-   *
-   * @property {number} length
-   *           The number of time ranges represented by this object.
-   *
-   * @property {module:time~TimeRangeIndex} start
-   *           Returns the time offset at which a specified time range begins.
-   *
-   * @property {module:time~TimeRangeIndex} end
-   *           Returns the time offset at which a specified time range ends.
-   *
-   * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
-   */
-
-  /**
-   * Check if any of the time ranges are over the maximum index.
-   *
-   * @private
-   * @param   {string} fnName
-   *          The function name to use for logging
-   *
-   * @param   {number} index
-   *          The index to check
-   *
-   * @param   {number} maxIndex
-   *          The maximum possible index
-   *
-   * @throws  {Error} if the timeRanges provided are over the maxIndex
-   */
-  function rangeCheck(fnName, index, maxIndex) {
-    if (typeof index !== 'number' || index < 0 || index > maxIndex) {
-      throw new Error(`Failed to execute '${fnName}' on 'TimeRanges': The index provided (${index}) is non-numeric or out of bounds (0-${maxIndex}).`);
-    }
-  }
-
-  /**
-   * Get the time for the specified index at the start or end
-   * of a TimeRange object.
-   *
-   * @private
-   * @param      {string} fnName
-   *             The function name to use for logging
-   *
-   * @param      {string} valueIndex
-   *             The property that should be used to get the time. should be
-   *             'start' or 'end'
-   *
-   * @param      {Array} ranges
-   *             An array of time ranges
-   *
-   * @param      {Array} [rangeIndex=0]
-   *             The index to start the search at
-   *
-   * @return     {number}
-   *             The time that offset at the specified index.
-   *
-   * @deprecated rangeIndex must be set to a value, in the future this will throw an error.
-   * @throws     {Error} if rangeIndex is more than the length of ranges
-   */
-  function getRange(fnName, valueIndex, ranges, rangeIndex) {
-    rangeCheck(fnName, rangeIndex, ranges.length - 1);
-    return ranges[rangeIndex][valueIndex];
-  }
-
-  /**
-   * Create a time range object given ranges of time.
-   *
-   * @private
-   * @param   {Array} [ranges]
-   *          An array of time ranges.
-   *
-   * @return  {TimeRange}
-   */
-  function createTimeRangesObj(ranges) {
-    let timeRangesObj;
-    if (ranges === undefined || ranges.length === 0) {
-      timeRangesObj = {
-        length: 0,
-        start() {
-          throw new Error('This TimeRanges object is empty');
-        },
-        end() {
-          throw new Error('This TimeRanges object is empty');
-        }
-      };
-    } else {
-      timeRangesObj = {
-        length: ranges.length,
-        start: getRange.bind(null, 'start', 0, ranges),
-        end: getRange.bind(null, 'end', 1, ranges)
-      };
-    }
-    if (window.Symbol && window.Symbol.iterator) {
-      timeRangesObj[window.Symbol.iterator] = () => (ranges || []).values();
-    }
-    return timeRangesObj;
-  }
-
-  /**
-   * Create a `TimeRange` object which mimics an
-   * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}.
-   *
-   * @param {number|Array[]} start
-   *        The start of a single range (a number) or an array of ranges (an
-   *        array of arrays of two numbers each).
-   *
-   * @param {number} end
-   *        The end of a single range. Cannot be used with the array form of
-   *        the `start` argument.
-   *
-   * @return {TimeRange}
-   */
-  function createTimeRanges(start, end) {
-    if (Array.isArray(start)) {
-      return createTimeRangesObj(start);
-    } else if (start === undefined || end === undefined) {
-      return createTimeRangesObj();
-    }
-    return createTimeRangesObj([[start, end]]);
-  }
-
-  /**
-   * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in
-   * seconds) will force a number of leading zeros to cover the length of the
-   * guide.
-   *
-   * @private
-   * @param  {number} seconds
-   *         Number of seconds to be turned into a string
-   *
-   * @param  {number} guide
-   *         Number (in seconds) to model the string after
-   *
-   * @return {string}
-   *         Time formatted as H:MM:SS or M:SS
-   */
-  const defaultImplementation = function (seconds, guide) {
-    seconds = seconds < 0 ? 0 : seconds;
-    let s = Math.floor(seconds % 60);
-    let m = Math.floor(seconds / 60 % 60);
-    let h = Math.floor(seconds / 3600);
-    const gm = Math.floor(guide / 60 % 60);
-    const gh = Math.floor(guide / 3600);
-
-    // handle invalid times
-    if (isNaN(seconds) || seconds === Infinity) {
-      // '-' is false for all relational operators (e.g. <, >=) so this setting
-      // will add the minimum number of fields specified by the guide
-      h = m = s = '-';
-    }
-
-    // Check if we need to show hours
-    h = h > 0 || gh > 0 ? h + ':' : '';
-
-    // If hours are showing, we may need to add a leading zero.
-    // Always show at least one digit of minutes.
-    m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';
-
-    // Check if leading zero is need for seconds
-    s = s < 10 ? '0' + s : s;
-    return h + m + s;
-  };
-
-  // Internal pointer to the current implementation.
-  let implementation = defaultImplementation;
-
-  /**
-   * Replaces the default formatTime implementation with a custom implementation.
-   *
-   * @param {Function} customImplementation
-   *        A function which will be used in place of the default formatTime
-   *        implementation. Will receive the current time in seconds and the
-   *        guide (in seconds) as arguments.
-   */
-  function setFormatTime(customImplementation) {
-    implementation = customImplementation;
-  }
-
-  /**
-   * Resets formatTime to the default implementation.
-   */
-  function resetFormatTime() {
-    implementation = defaultImplementation;
-  }
-
-  /**
-   * Delegates to either the default time formatting function or a custom
-   * function supplied via `setFormatTime`.
-   *
-   * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a
-   * guide (in seconds) will force a number of leading zeros to cover the
-   * length of the guide.
-   *
-   * @example  formatTime(125, 600) === "02:05"
-   * @param    {number} seconds
-   *           Number of seconds to be turned into a string
-   *
-   * @param    {number} guide
-   *           Number (in seconds) to model the string after
-   *
-   * @return   {string}
-   *           Time formatted as H:MM:SS or M:SS
-   */
-  function formatTime(seconds, guide = seconds) {
-    return implementation(seconds, guide);
-  }
-
-  var Time = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    createTimeRanges: createTimeRanges,
-    createTimeRange: createTimeRanges,
-    setFormatTime: setFormatTime,
-    resetFormatTime: resetFormatTime,
-    formatTime: formatTime
-  });
-
-  /**
-   * @file buffer.js
-   * @module buffer
-   */
-
-  /**
-   * Compute the percentage of the media that has been buffered.
-   *
-   * @param { import('./time').TimeRange } buffered
-   *        The current `TimeRanges` object representing buffered time ranges
-   *
-   * @param {number} duration
-   *        Total duration of the media
-   *
-   * @return {number}
-   *         Percent buffered of the total duration in decimal form.
-   */
-  function bufferedPercent(buffered, duration) {
-    let bufferedDuration = 0;
-    let start;
-    let end;
-    if (!duration) {
-      return 0;
-    }
-    if (!buffered || !buffered.length) {
-      buffered = createTimeRanges(0, 0);
-    }
-    for (let i = 0; i < buffered.length; i++) {
-      start = buffered.start(i);
-      end = buffered.end(i);
-
-      // buffered end can be bigger than duration by a very small fraction
-      if (end > duration) {
-        end = duration;
-      }
-      bufferedDuration += end - start;
-    }
-    return bufferedDuration / duration;
-  }
-
-  /**
-   * @file media-error.js
-   */
-
-  /**
-   * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
-   *
-   * @param {number|string|Object|MediaError} value
-   *        This can be of multiple types:
-   *        - number: should be a standard error code
-   *        - string: an error message (the code will be 0)
-   *        - Object: arbitrary properties
-   *        - `MediaError` (native): used to populate a video.js `MediaError` object
-   *        - `MediaError` (video.js): will return itself if it's already a
-   *          video.js `MediaError` object.
-   *
-   * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
-   * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
-   *
-   * @class MediaError
-   */
-  function MediaError(value) {
-    // Allow redundant calls to this constructor to avoid having `instanceof`
-    // checks peppered around the code.
-    if (value instanceof MediaError) {
-      return value;
-    }
-    if (typeof value === 'number') {
-      this.code = value;
-    } else if (typeof value === 'string') {
-      // default code is zero, so this is a custom error
-      this.message = value;
-    } else if (isObject(value)) {
-      // We assign the `code` property manually because native `MediaError` objects
-      // do not expose it as an own/enumerable property of the object.
-      if (typeof value.code === 'number') {
-        this.code = value.code;
-      }
-      Object.assign(this, value);
-    }
-    if (!this.message) {
-      this.message = MediaError.defaultMessages[this.code] || '';
-    }
-  }
-
-  /**
-   * The error code that refers two one of the defined `MediaError` types
-   *
-   * @type {Number}
-   */
-  MediaError.prototype.code = 0;
-
-  /**
-   * An optional message that to show with the error. Message is not part of the HTML5
-   * video spec but allows for more informative custom errors.
-   *
-   * @type {String}
-   */
-  MediaError.prototype.message = '';
-
-  /**
-   * An optional status code that can be set by plugins to allow even more detail about
-   * the error. For example a plugin might provide a specific HTTP status code and an
-   * error message for that code. Then when the plugin gets that error this class will
-   * know how to display an error message for it. This allows a custom message to show
-   * up on the `Player` error overlay.
-   *
-   * @type {Array}
-   */
-  MediaError.prototype.status = null;
-
-  /**
-   * An object containing an error type, as well as other information regarding the error.
-   *
-   * @typedef {{errorType: string, [key: string]: any}} ErrorMetadata
-   */
-
-  /**
-   * An optional object to give more detail about the error. This can be used to give
-   * a higher level of specificity to an error versus the more generic MediaError codes.
-   * `metadata` expects an `errorType` string that should align with the values from videojs.Error.
-   *
-   * @type {ErrorMetadata}
-   */
-  MediaError.prototype.metadata = null;
-
-  /**
-   * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
-   * specification listed under {@link MediaError} for more information.
-   *
-   * @enum {array}
-   * @readonly
-   * @property {string} 0 - MEDIA_ERR_CUSTOM
-   * @property {string} 1 - MEDIA_ERR_ABORTED
-   * @property {string} 2 - MEDIA_ERR_NETWORK
-   * @property {string} 3 - MEDIA_ERR_DECODE
-   * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
-   * @property {string} 5 - MEDIA_ERR_ENCRYPTED
-   */
-  MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
-
-  /**
-   * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
-   *
-   * @type {Array}
-   * @constant
-   */
-  MediaError.defaultMessages = {
-    1: 'You aborted the media playback',
-    2: 'A network error caused the media download to fail part-way.',
-    3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
-    4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
-    5: 'The media is encrypted and we do not have the keys to decrypt it.'
-  };
-
-  /**
-   * W3C error code for any custom error.
-   *
-   * @member MediaError#MEDIA_ERR_CUSTOM
-   * @constant {number}
-   * @default 0
-   */
-  MediaError.MEDIA_ERR_CUSTOM = 0;
-
-  /**
-   * W3C error code for any custom error.
-   *
-   * @member MediaError.MEDIA_ERR_CUSTOM
-   * @constant {number}
-   * @default 0
-   */
-  MediaError.prototype.MEDIA_ERR_CUSTOM = 0;
-
-  /**
-   * W3C error code for media error aborted.
-   *
-   * @member MediaError#MEDIA_ERR_ABORTED
-   * @constant {number}
-   * @default 1
-   */
-  MediaError.MEDIA_ERR_ABORTED = 1;
-
-  /**
-   * W3C error code for media error aborted.
-   *
-   * @member MediaError.MEDIA_ERR_ABORTED
-   * @constant {number}
-   * @default 1
-   */
-  MediaError.prototype.MEDIA_ERR_ABORTED = 1;
-
-  /**
-   * W3C error code for any network error.
-   *
-   * @member MediaError#MEDIA_ERR_NETWORK
-   * @constant {number}
-   * @default 2
-   */
-  MediaError.MEDIA_ERR_NETWORK = 2;
-
-  /**
-   * W3C error code for any network error.
-   *
-   * @member MediaError.MEDIA_ERR_NETWORK
-   * @constant {number}
-   * @default 2
-   */
-  MediaError.prototype.MEDIA_ERR_NETWORK = 2;
-
-  /**
-   * W3C error code for any decoding error.
-   *
-   * @member MediaError#MEDIA_ERR_DECODE
-   * @constant {number}
-   * @default 3
-   */
-  MediaError.MEDIA_ERR_DECODE = 3;
-
-  /**
-   * W3C error code for any decoding error.
-   *
-   * @member MediaError.MEDIA_ERR_DECODE
-   * @constant {number}
-   * @default 3
-   */
-  MediaError.prototype.MEDIA_ERR_DECODE = 3;
-
-  /**
-   * W3C error code for any time that a source is not supported.
-   *
-   * @member MediaError#MEDIA_ERR_SRC_NOT_SUPPORTED
-   * @constant {number}
-   * @default 4
-   */
-  MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
-
-  /**
-   * W3C error code for any time that a source is not supported.
-   *
-   * @member MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED
-   * @constant {number}
-   * @default 4
-   */
-  MediaError.prototype.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
-
-  /**
-   * W3C error code for any time that a source is encrypted.
-   *
-   * @member MediaError#MEDIA_ERR_ENCRYPTED
-   * @constant {number}
-   * @default 5
-   */
-  MediaError.MEDIA_ERR_ENCRYPTED = 5;
-
-  /**
-   * W3C error code for any time that a source is encrypted.
-   *
-   * @member MediaError.MEDIA_ERR_ENCRYPTED
-   * @constant {number}
-   * @default 5
-   */
-  MediaError.prototype.MEDIA_ERR_ENCRYPTED = 5;
-
-  var tuple = SafeParseTuple;
-  function SafeParseTuple(obj, reviver) {
-    var json;
-    var error = null;
-    try {
-      json = JSON.parse(obj, reviver);
-    } catch (err) {
-      error = err;
-    }
-    return [error, json];
-  }
-
-  /**
-   * Returns whether an object is `Promise`-like (i.e. has a `then` method).
-   *
-   * @param  {Object}  value
-   *         An object that may or may not be `Promise`-like.
-   *
-   * @return {boolean}
-   *         Whether or not the object is `Promise`-like.
-   */
-  function isPromise(value) {
-    return value !== undefined && value !== null && typeof value.then === 'function';
-  }
-
-  /**
-   * Silence a Promise-like object.
-   *
-   * This is useful for avoiding non-harmful, but potentially confusing "uncaught
-   * play promise" rejection error messages.
-   *
-   * @param  {Object} value
-   *         An object that may or may not be `Promise`-like.
-   */
-  function silencePromise(value) {
-    if (isPromise(value)) {
-      value.then(null, e => {});
-    }
-  }
-
-  /**
-   * @file text-track-list-converter.js Utilities for capturing text track state and
-   * re-creating tracks based on a capture.
-   *
-   * @module text-track-list-converter
-   */
-
-  /**
-   * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
-   * represents the {@link TextTrack}'s state.
-   *
-   * @param {TextTrack} track
-   *        The text track to query.
-   *
-   * @return {Object}
-   *         A serializable javascript representation of the TextTrack.
-   * @private
-   */
-  const trackToJson_ = function (track) {
-    const ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce((acc, prop, i) => {
-      if (track[prop]) {
-        acc[prop] = track[prop];
-      }
-      return acc;
-    }, {
-      cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
-        return {
-          startTime: cue.startTime,
-          endTime: cue.endTime,
-          text: cue.text,
-          id: cue.id
-        };
-      })
-    });
-    return ret;
-  };
-
-  /**
-   * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
-   * state of all {@link TextTrack}s currently configured. The return array is compatible with
-   * {@link text-track-list-converter:jsonToTextTracks}.
-   *
-   * @param { import('../tech/tech').default } tech
-   *        The tech object to query
-   *
-   * @return {Array}
-   *         A serializable javascript representation of the {@link Tech}s
-   *         {@link TextTrackList}.
-   */
-  const textTracksToJson = function (tech) {
-    const trackEls = tech.$$('track');
-    const trackObjs = Array.prototype.map.call(trackEls, t => t.track);
-    const tracks = Array.prototype.map.call(trackEls, function (trackEl) {
-      const json = trackToJson_(trackEl.track);
-      if (trackEl.src) {
-        json.src = trackEl.src;
-      }
-      return json;
-    });
-    return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
-      return trackObjs.indexOf(track) === -1;
-    }).map(trackToJson_));
-  };
-
-  /**
-   * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
-   * object {@link TextTrack} representations.
-   *
-   * @param {Array} json
-   *        An array of `TextTrack` representation objects, like those that would be
-   *        produced by `textTracksToJson`.
-   *
-   * @param {Tech} tech
-   *        The `Tech` to create the `TextTrack`s on.
-   */
-  const jsonToTextTracks = function (json, tech) {
-    json.forEach(function (track) {
-      const addedTrack = tech.addRemoteTextTrack(track).track;
-      if (!track.src && track.cues) {
-        track.cues.forEach(cue => addedTrack.addCue(cue));
-      }
-    });
-    return tech.textTracks();
-  };
-  var textTrackConverter = {
-    textTracksToJson,
-    jsonToTextTracks,
-    trackToJson_
-  };
-
-  /**
-   * @file modal-dialog.js
-   */
-  const MODAL_CLASS_NAME = 'vjs-modal-dialog';
-
-  /**
-   * The `ModalDialog` displays over the video and its controls, which blocks
-   * interaction with the player until it is closed.
-   *
-   * Modal dialogs include a "Close" button and will close when that button
-   * is activated - or when ESC is pressed anywhere.
-   *
-   * @extends Component
-   */
-  class ModalDialog extends Component {
-    /**
-     * Create an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param { import('./utils/dom').ContentDescriptor} [options.content=undefined]
-     *        Provide customized content for this modal.
-     *
-     * @param {string} [options.description]
-     *        A text description for the modal, primarily for accessibility.
-     *
-     * @param {boolean} [options.fillAlways=false]
-     *        Normally, modals are automatically filled only the first time
-     *        they open. This tells the modal to refresh its content
-     *        every time it opens.
-     *
-     * @param {string} [options.label]
-     *        A text label for the modal, primarily for accessibility.
-     *
-     * @param {boolean} [options.pauseOnOpen=true]
-     *        If `true`, playback will will be paused if playing when
-     *        the modal opens, and resumed when it closes.
-     *
-     * @param {boolean} [options.temporary=true]
-     *        If `true`, the modal can only be opened once; it will be
-     *        disposed as soon as it's closed.
-     *
-     * @param {boolean} [options.uncloseable=false]
-     *        If `true`, the user will not be able to close the modal
-     *        through the UI in the normal ways. Programmatic closing is
-     *        still possible.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.handleKeyDown_ = e => this.handleKeyDown(e);
-      this.close_ = e => this.close(e);
-      this.opened_ = this.hasBeenOpened_ = this.hasBeenFilled_ = false;
-      this.closeable(!this.options_.uncloseable);
-      this.content(this.options_.content);
-
-      // Make sure the contentEl is defined AFTER any children are initialized
-      // because we only want the contents of the modal in the contentEl
-      // (not the UI elements like the close button).
-      this.contentEl_ = createEl('div', {
-        className: `${MODAL_CLASS_NAME}-content`
-      }, {
-        role: 'document'
-      });
-      this.descEl_ = createEl('p', {
-        className: `${MODAL_CLASS_NAME}-description vjs-control-text`,
-        id: this.el().getAttribute('aria-describedby')
-      });
-      textContent(this.descEl_, this.description());
-      this.el_.appendChild(this.descEl_);
-      this.el_.appendChild(this.contentEl_);
-    }
-
-    /**
-     * Create the `ModalDialog`'s DOM element
-     *
-     * @return {Element}
-     *         The DOM element that gets created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: this.buildCSSClass(),
-        tabIndex: -1
-      }, {
-        'aria-describedby': `${this.id()}_description`,
-        'aria-hidden': 'true',
-        'aria-label': this.label(),
-        'role': 'dialog',
-        'aria-live': 'polite'
-      });
-    }
-    dispose() {
-      this.contentEl_ = null;
-      this.descEl_ = null;
-      this.previouslyActiveEl_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `${MODAL_CLASS_NAME} vjs-hidden ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Returns the label string for this modal. Primarily used for accessibility.
-     *
-     * @return {string}
-     *         the localized or raw label of this modal.
-     */
-    label() {
-      return this.localize(this.options_.label || 'Modal Window');
-    }
-
-    /**
-     * Returns the description string for this modal. Primarily used for
-     * accessibility.
-     *
-     * @return {string}
-     *         The localized or raw description of this modal.
-     */
-    description() {
-      let desc = this.options_.description || this.localize('This is a modal window.');
-
-      // Append a universal closeability message if the modal is closeable.
-      if (this.closeable()) {
-        desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
-      }
-      return desc;
-    }
-
-    /**
-     * Opens the modal.
-     *
-     * @fires ModalDialog#beforemodalopen
-     * @fires ModalDialog#modalopen
-     */
-    open() {
-      if (this.opened_) {
-        if (this.options_.fillAlways) {
-          this.fill();
-        }
-        return;
-      }
-      const player = this.player();
-
-      /**
-        * Fired just before a `ModalDialog` is opened.
-        *
-        * @event ModalDialog#beforemodalopen
-        * @type {Event}
-        */
-      this.trigger('beforemodalopen');
-      this.opened_ = true;
-
-      // Fill content if the modal has never opened before and
-      // never been filled.
-      if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
-        this.fill();
-      }
-
-      // If the player was playing, pause it and take note of its previously
-      // playing state.
-      this.wasPlaying_ = !player.paused();
-      if (this.options_.pauseOnOpen && this.wasPlaying_) {
-        player.pause();
-      }
-      this.on('keydown', this.handleKeyDown_);
-
-      // Hide controls and note if they were enabled.
-      this.hadControls_ = player.controls();
-      player.controls(false);
-      this.show();
-      this.conditionalFocus_();
-      this.el().setAttribute('aria-hidden', 'false');
-
-      /**
-        * Fired just after a `ModalDialog` is opened.
-        *
-        * @event ModalDialog#modalopen
-        * @type {Event}
-        */
-      this.trigger('modalopen');
-      this.hasBeenOpened_ = true;
-    }
-
-    /**
-     * If the `ModalDialog` is currently open or closed.
-     *
-     * @param  {boolean} [value]
-     *         If given, it will open (`true`) or close (`false`) the modal.
-     *
-     * @return {boolean}
-     *         the current open state of the modaldialog
-     */
-    opened(value) {
-      if (typeof value === 'boolean') {
-        this[value ? 'open' : 'close']();
-      }
-      return this.opened_;
-    }
-
-    /**
-     * Closes the modal, does nothing if the `ModalDialog` is
-     * not open.
-     *
-     * @fires ModalDialog#beforemodalclose
-     * @fires ModalDialog#modalclose
-     */
-    close() {
-      if (!this.opened_) {
-        return;
-      }
-      const player = this.player();
-
-      /**
-        * Fired just before a `ModalDialog` is closed.
-        *
-        * @event ModalDialog#beforemodalclose
-        * @type {Event}
-        */
-      this.trigger('beforemodalclose');
-      this.opened_ = false;
-      if (this.wasPlaying_ && this.options_.pauseOnOpen) {
-        player.play();
-      }
-      this.off('keydown', this.handleKeyDown_);
-      if (this.hadControls_) {
-        player.controls(true);
-      }
-      this.hide();
-      this.el().setAttribute('aria-hidden', 'true');
-
-      /**
-        * Fired just after a `ModalDialog` is closed.
-        *
-        * @event ModalDialog#modalclose
-        * @type {Event}
-        */
-      this.trigger('modalclose');
-      this.conditionalBlur_();
-      if (this.options_.temporary) {
-        this.dispose();
-      }
-    }
-
-    /**
-     * Check to see if the `ModalDialog` is closeable via the UI.
-     *
-     * @param  {boolean} [value]
-     *         If given as a boolean, it will set the `closeable` option.
-     *
-     * @return {boolean}
-     *         Returns the final value of the closable option.
-     */
-    closeable(value) {
-      if (typeof value === 'boolean') {
-        const closeable = this.closeable_ = !!value;
-        let close = this.getChild('closeButton');
-
-        // If this is being made closeable and has no close button, add one.
-        if (closeable && !close) {
-          // The close button should be a child of the modal - not its
-          // content element, so temporarily change the content element.
-          const temp = this.contentEl_;
-          this.contentEl_ = this.el_;
-          close = this.addChild('closeButton', {
-            controlText: 'Close Modal Dialog'
-          });
-          this.contentEl_ = temp;
-          this.on(close, 'close', this.close_);
-        }
-
-        // If this is being made uncloseable and has a close button, remove it.
-        if (!closeable && close) {
-          this.off(close, 'close', this.close_);
-          this.removeChild(close);
-          close.dispose();
-        }
-      }
-      return this.closeable_;
-    }
-
-    /**
-     * Fill the modal's content element with the modal's "content" option.
-     * The content element will be emptied before this change takes place.
-     */
-    fill() {
-      this.fillWith(this.content());
-    }
-
-    /**
-     * Fill the modal's content element with arbitrary content.
-     * The content element will be emptied before this change takes place.
-     *
-     * @fires ModalDialog#beforemodalfill
-     * @fires ModalDialog#modalfill
-     *
-     * @param { import('./utils/dom').ContentDescriptor} [content]
-     *        The same rules apply to this as apply to the `content` option.
-     */
-    fillWith(content) {
-      const contentEl = this.contentEl();
-      const parentEl = contentEl.parentNode;
-      const nextSiblingEl = contentEl.nextSibling;
-
-      /**
-        * Fired just before a `ModalDialog` is filled with content.
-        *
-        * @event ModalDialog#beforemodalfill
-        * @type {Event}
-        */
-      this.trigger('beforemodalfill');
-      this.hasBeenFilled_ = true;
-
-      // Detach the content element from the DOM before performing
-      // manipulation to avoid modifying the live DOM multiple times.
-      parentEl.removeChild(contentEl);
-      this.empty();
-      insertContent(contentEl, content);
-      /**
-       * Fired just after a `ModalDialog` is filled with content.
-       *
-       * @event ModalDialog#modalfill
-       * @type {Event}
-       */
-      this.trigger('modalfill');
-
-      // Re-inject the re-filled content element.
-      if (nextSiblingEl) {
-        parentEl.insertBefore(contentEl, nextSiblingEl);
-      } else {
-        parentEl.appendChild(contentEl);
-      }
-
-      // make sure that the close button is last in the dialog DOM
-      const closeButton = this.getChild('closeButton');
-      if (closeButton) {
-        parentEl.appendChild(closeButton.el_);
-      }
-    }
-
-    /**
-     * Empties the content element. This happens anytime the modal is filled.
-     *
-     * @fires ModalDialog#beforemodalempty
-     * @fires ModalDialog#modalempty
-     */
-    empty() {
-      /**
-      * Fired just before a `ModalDialog` is emptied.
-      *
-      * @event ModalDialog#beforemodalempty
-      * @type {Event}
-      */
-      this.trigger('beforemodalempty');
-      emptyEl(this.contentEl());
-
-      /**
-      * Fired just after a `ModalDialog` is emptied.
-      *
-      * @event ModalDialog#modalempty
-      * @type {Event}
-      */
-      this.trigger('modalempty');
-    }
-
-    /**
-     * Gets or sets the modal content, which gets normalized before being
-     * rendered into the DOM.
-     *
-     * This does not update the DOM or fill the modal, but it is called during
-     * that process.
-     *
-     * @param  { import('./utils/dom').ContentDescriptor} [value]
-     *         If defined, sets the internal content value to be used on the
-     *         next call(s) to `fill`. This value is normalized before being
-     *         inserted. To "clear" the internal content value, pass `null`.
-     *
-     * @return { import('./utils/dom').ContentDescriptor}
-     *         The current content of the modal dialog
-     */
-    content(value) {
-      if (typeof value !== 'undefined') {
-        this.content_ = value;
-      }
-      return this.content_;
-    }
-
-    /**
-     * conditionally focus the modal dialog if focus was previously on the player.
-     *
-     * @private
-     */
-    conditionalFocus_() {
-      const activeEl = document.activeElement;
-      const playerEl = this.player_.el_;
-      this.previouslyActiveEl_ = null;
-      if (playerEl.contains(activeEl) || playerEl === activeEl) {
-        this.previouslyActiveEl_ = activeEl;
-        this.focus();
-      }
-    }
-
-    /**
-     * conditionally blur the element and refocus the last focused element
-     *
-     * @private
-     */
-    conditionalBlur_() {
-      if (this.previouslyActiveEl_) {
-        this.previouslyActiveEl_.focus();
-        this.previouslyActiveEl_ = null;
-      }
-    }
-
-    /**
-     * Keydown handler. Attached when modal is focused.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Do not allow keydowns to reach out of the modal dialog.
-      event.stopPropagation();
-      if (keycode.isEventKey(event, 'Escape') && this.closeable()) {
-        event.preventDefault();
-        this.close();
-        return;
-      }
-
-      // exit early if it isn't a tab key
-      if (!keycode.isEventKey(event, 'Tab')) {
-        return;
-      }
-      const focusableEls = this.focusableEls_();
-      const activeEl = this.el_.querySelector(':focus');
-      let focusIndex;
-      for (let i = 0; i < focusableEls.length; i++) {
-        if (activeEl === focusableEls[i]) {
-          focusIndex = i;
-          break;
-        }
-      }
-      if (document.activeElement === this.el_) {
-        focusIndex = 0;
-      }
-      if (event.shiftKey && focusIndex === 0) {
-        focusableEls[focusableEls.length - 1].focus();
-        event.preventDefault();
-      } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
-        focusableEls[0].focus();
-        event.preventDefault();
-      }
-    }
-
-    /**
-     * get all focusable elements
-     *
-     * @private
-     */
-    focusableEls_() {
-      const allChildren = this.el_.querySelectorAll('*');
-      return Array.prototype.filter.call(allChildren, child => {
-        return (child instanceof window.HTMLAnchorElement || child instanceof window.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window.HTMLInputElement || child instanceof window.HTMLSelectElement || child instanceof window.HTMLTextAreaElement || child instanceof window.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window.HTMLIFrameElement || child instanceof window.HTMLObjectElement || child instanceof window.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
-      });
-    }
-  }
-
-  /**
-   * Default options for `ModalDialog` default options.
-   *
-   * @type {Object}
-   * @private
-   */
-  ModalDialog.prototype.options_ = {
-    pauseOnOpen: true,
-    temporary: true
-  };
-  Component.registerComponent('ModalDialog', ModalDialog);
-
-  /**
-   * @file track-list.js
-   */
-
-  /**
-   * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
-   * {@link VideoTrackList}
-   *
-   * @extends EventTarget
-   */
-  class TrackList extends EventTarget {
-    /**
-     * Create an instance of this class
-     *
-     * @param { import('./track').default[] } tracks
-     *        A list of tracks to initialize the list with.
-     *
-     * @abstract
-     */
-    constructor(tracks = []) {
-      super();
-      this.tracks_ = [];
-
-      /**
-       * @memberof TrackList
-       * @member {number} length
-       *         The current number of `Track`s in the this Trackist.
-       * @instance
-       */
-      Object.defineProperty(this, 'length', {
-        get() {
-          return this.tracks_.length;
-        }
-      });
-      for (let i = 0; i < tracks.length; i++) {
-        this.addTrack(tracks[i]);
-      }
-    }
-
-    /**
-     * Add a {@link Track} to the `TrackList`
-     *
-     * @param { import('./track').default } track
-     *        The audio, video, or text track to add to the list.
-     *
-     * @fires TrackList#addtrack
-     */
-    addTrack(track) {
-      const index = this.tracks_.length;
-      if (!('' + index in this)) {
-        Object.defineProperty(this, index, {
-          get() {
-            return this.tracks_[index];
-          }
-        });
-      }
-
-      // Do not add duplicate tracks
-      if (this.tracks_.indexOf(track) === -1) {
-        this.tracks_.push(track);
-        /**
-         * Triggered when a track is added to a track list.
-         *
-         * @event TrackList#addtrack
-         * @type {Event}
-         * @property {Track} track
-         *           A reference to track that was added.
-         */
-        this.trigger({
-          track,
-          type: 'addtrack',
-          target: this
-        });
-      }
-
-      /**
-       * Triggered when a track label is changed.
-       *
-       * @event TrackList#addtrack
-       * @type {Event}
-       * @property {Track} track
-       *           A reference to track that was added.
-       */
-      track.labelchange_ = () => {
-        this.trigger({
-          track,
-          type: 'labelchange',
-          target: this
-        });
-      };
-      if (isEvented(track)) {
-        track.addEventListener('labelchange', track.labelchange_);
-      }
-    }
-
-    /**
-     * Remove a {@link Track} from the `TrackList`
-     *
-     * @param { import('./track').default } rtrack
-     *        The audio, video, or text track to remove from the list.
-     *
-     * @fires TrackList#removetrack
-     */
-    removeTrack(rtrack) {
-      let track;
-      for (let i = 0, l = this.length; i < l; i++) {
-        if (this[i] === rtrack) {
-          track = this[i];
-          if (track.off) {
-            track.off();
-          }
-          this.tracks_.splice(i, 1);
-          break;
-        }
-      }
-      if (!track) {
-        return;
-      }
-
-      /**
-       * Triggered when a track is removed from track list.
-       *
-       * @event TrackList#removetrack
-       * @type {Event}
-       * @property {Track} track
-       *           A reference to track that was removed.
-       */
-      this.trigger({
-        track,
-        type: 'removetrack',
-        target: this
-      });
-    }
-
-    /**
-     * Get a Track from the TrackList by a tracks id
-     *
-     * @param {string} id - the id of the track to get
-     * @method getTrackById
-     * @return { import('./track').default }
-     * @private
-     */
-    getTrackById(id) {
-      let result = null;
-      for (let i = 0, l = this.length; i < l; i++) {
-        const track = this[i];
-        if (track.id === id) {
-          result = track;
-          break;
-        }
-      }
-      return result;
-    }
-  }
-
-  /**
-   * Triggered when a different track is selected/enabled.
-   *
-   * @event TrackList#change
-   * @type {Event}
-   */
-
-  /**
-   * Events that can be called with on + eventName. See {@link EventHandler}.
-   *
-   * @property {Object} TrackList#allowedEvents_
-   * @protected
-   */
-  TrackList.prototype.allowedEvents_ = {
-    change: 'change',
-    addtrack: 'addtrack',
-    removetrack: 'removetrack',
-    labelchange: 'labelchange'
-  };
-
-  // emulate attribute EventHandler support to allow for feature detection
-  for (const event in TrackList.prototype.allowedEvents_) {
-    TrackList.prototype['on' + event] = null;
-  }
-
-  /**
-   * @file audio-track-list.js
-   */
-
-  /**
-   * Anywhere we call this function we diverge from the spec
-   * as we only support one enabled audiotrack at a time
-   *
-   * @param {AudioTrackList} list
-   *        list to work on
-   *
-   * @param { import('./audio-track').default } track
-   *        The track to skip
-   *
-   * @private
-   */
-  const disableOthers$1 = function (list, track) {
-    for (let i = 0; i < list.length; i++) {
-      if (!Object.keys(list[i]).length || track.id === list[i].id) {
-        continue;
-      }
-      // another audio track is enabled, disable it
-      list[i].enabled = false;
-    }
-  };
-
-  /**
-   * The current list of {@link AudioTrack} for a media file.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
-   * @extends TrackList
-   */
-  class AudioTrackList extends TrackList {
-    /**
-     * Create an instance of this class.
-     *
-     * @param { import('./audio-track').default[] } [tracks=[]]
-     *        A list of `AudioTrack` to instantiate the list with.
-     */
-    constructor(tracks = []) {
-      // make sure only 1 track is enabled
-      // sorted from last index to first index
-      for (let i = tracks.length - 1; i >= 0; i--) {
-        if (tracks[i].enabled) {
-          disableOthers$1(tracks, tracks[i]);
-          break;
-        }
-      }
-      super(tracks);
-      this.changing_ = false;
-    }
-
-    /**
-     * Add an {@link AudioTrack} to the `AudioTrackList`.
-     *
-     * @param { import('./audio-track').default } track
-     *        The AudioTrack to add to the list
-     *
-     * @fires TrackList#addtrack
-     */
-    addTrack(track) {
-      if (track.enabled) {
-        disableOthers$1(this, track);
-      }
-      super.addTrack(track);
-      // native tracks don't have this
-      if (!track.addEventListener) {
-        return;
-      }
-      track.enabledChange_ = () => {
-        // when we are disabling other tracks (since we don't support
-        // more than one track at a time) we will set changing_
-        // to true so that we don't trigger additional change events
-        if (this.changing_) {
-          return;
-        }
-        this.changing_ = true;
-        disableOthers$1(this, track);
-        this.changing_ = false;
-        this.trigger('change');
-      };
-
-      /**
-       * @listens AudioTrack#enabledchange
-       * @fires TrackList#change
-       */
-      track.addEventListener('enabledchange', track.enabledChange_);
-    }
-    removeTrack(rtrack) {
-      super.removeTrack(rtrack);
-      if (rtrack.removeEventListener && rtrack.enabledChange_) {
-        rtrack.removeEventListener('enabledchange', rtrack.enabledChange_);
-        rtrack.enabledChange_ = null;
-      }
-    }
-  }
-
-  /**
-   * @file video-track-list.js
-   */
-
-  /**
-   * Un-select all other {@link VideoTrack}s that are selected.
-   *
-   * @param {VideoTrackList} list
-   *        list to work on
-   *
-   * @param { import('./video-track').default } track
-   *        The track to skip
-   *
-   * @private
-   */
-  const disableOthers = function (list, track) {
-    for (let i = 0; i < list.length; i++) {
-      if (!Object.keys(list[i]).length || track.id === list[i].id) {
-        continue;
-      }
-      // another video track is enabled, disable it
-      list[i].selected = false;
-    }
-  };
-
-  /**
-   * The current list of {@link VideoTrack} for a video.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
-   * @extends TrackList
-   */
-  class VideoTrackList extends TrackList {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {VideoTrack[]} [tracks=[]]
-     *        A list of `VideoTrack` to instantiate the list with.
-     */
-    constructor(tracks = []) {
-      // make sure only 1 track is enabled
-      // sorted from last index to first index
-      for (let i = tracks.length - 1; i >= 0; i--) {
-        if (tracks[i].selected) {
-          disableOthers(tracks, tracks[i]);
-          break;
-        }
-      }
-      super(tracks);
-      this.changing_ = false;
-
-      /**
-       * @member {number} VideoTrackList#selectedIndex
-       *         The current index of the selected {@link VideoTrack`}.
-       */
-      Object.defineProperty(this, 'selectedIndex', {
-        get() {
-          for (let i = 0; i < this.length; i++) {
-            if (this[i].selected) {
-              return i;
-            }
-          }
-          return -1;
-        },
-        set() {}
-      });
-    }
-
-    /**
-     * Add a {@link VideoTrack} to the `VideoTrackList`.
-     *
-     * @param { import('./video-track').default } track
-     *        The VideoTrack to add to the list
-     *
-     * @fires TrackList#addtrack
-     */
-    addTrack(track) {
-      if (track.selected) {
-        disableOthers(this, track);
-      }
-      super.addTrack(track);
-      // native tracks don't have this
-      if (!track.addEventListener) {
-        return;
-      }
-      track.selectedChange_ = () => {
-        if (this.changing_) {
-          return;
-        }
-        this.changing_ = true;
-        disableOthers(this, track);
-        this.changing_ = false;
-        this.trigger('change');
-      };
-
-      /**
-       * @listens VideoTrack#selectedchange
-       * @fires TrackList#change
-       */
-      track.addEventListener('selectedchange', track.selectedChange_);
-    }
-    removeTrack(rtrack) {
-      super.removeTrack(rtrack);
-      if (rtrack.removeEventListener && rtrack.selectedChange_) {
-        rtrack.removeEventListener('selectedchange', rtrack.selectedChange_);
-        rtrack.selectedChange_ = null;
-      }
-    }
-  }
-
-  /**
-   * @file text-track-list.js
-   */
-
-  /**
-   * The current list of {@link TextTrack} for a media file.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
-   * @extends TrackList
-   */
-  class TextTrackList extends TrackList {
-    /**
-     * Add a {@link TextTrack} to the `TextTrackList`
-     *
-     * @param { import('./text-track').default } track
-     *        The text track to add to the list.
-     *
-     * @fires TrackList#addtrack
-     */
-    addTrack(track) {
-      super.addTrack(track);
-      if (!this.queueChange_) {
-        this.queueChange_ = () => this.queueTrigger('change');
-      }
-      if (!this.triggerSelectedlanguagechange) {
-        this.triggerSelectedlanguagechange_ = () => this.trigger('selectedlanguagechange');
-      }
-
-      /**
-       * @listens TextTrack#modechange
-       * @fires TrackList#change
-       */
-      track.addEventListener('modechange', this.queueChange_);
-      const nonLanguageTextTrackKind = ['metadata', 'chapters'];
-      if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
-        track.addEventListener('modechange', this.triggerSelectedlanguagechange_);
-      }
-    }
-    removeTrack(rtrack) {
-      super.removeTrack(rtrack);
-
-      // manually remove the event handlers we added
-      if (rtrack.removeEventListener) {
-        if (this.queueChange_) {
-          rtrack.removeEventListener('modechange', this.queueChange_);
-        }
-        if (this.selectedlanguagechange_) {
-          rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_);
-        }
-      }
-    }
-  }
-
-  /**
-   * @file html-track-element-list.js
-   */
-
-  /**
-   * The current list of {@link HtmlTrackElement}s.
-   */
-  class HtmlTrackElementList {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {HtmlTrackElement[]} [tracks=[]]
-     *        A list of `HtmlTrackElement` to instantiate the list with.
-     */
-    constructor(trackElements = []) {
-      this.trackElements_ = [];
-
-      /**
-       * @memberof HtmlTrackElementList
-       * @member {number} length
-       *         The current number of `Track`s in the this Trackist.
-       * @instance
-       */
-      Object.defineProperty(this, 'length', {
-        get() {
-          return this.trackElements_.length;
-        }
-      });
-      for (let i = 0, length = trackElements.length; i < length; i++) {
-        this.addTrackElement_(trackElements[i]);
-      }
-    }
-
-    /**
-     * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
-     *
-     * @param {HtmlTrackElement} trackElement
-     *        The track element to add to the list.
-     *
-     * @private
-     */
-    addTrackElement_(trackElement) {
-      const index = this.trackElements_.length;
-      if (!('' + index in this)) {
-        Object.defineProperty(this, index, {
-          get() {
-            return this.trackElements_[index];
-          }
-        });
-      }
-
-      // Do not add duplicate elements
-      if (this.trackElements_.indexOf(trackElement) === -1) {
-        this.trackElements_.push(trackElement);
-      }
-    }
-
-    /**
-     * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
-     * {@link TextTrack}.
-     *
-     * @param {TextTrack} track
-     *        The track associated with a track element.
-     *
-     * @return {HtmlTrackElement|undefined}
-     *         The track element that was found or undefined.
-     *
-     * @private
-     */
-    getTrackElementByTrack_(track) {
-      let trackElement_;
-      for (let i = 0, length = this.trackElements_.length; i < length; i++) {
-        if (track === this.trackElements_[i].track) {
-          trackElement_ = this.trackElements_[i];
-          break;
-        }
-      }
-      return trackElement_;
-    }
-
-    /**
-     * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
-     *
-     * @param {HtmlTrackElement} trackElement
-     *        The track element to remove from the list.
-     *
-     * @private
-     */
-    removeTrackElement_(trackElement) {
-      for (let i = 0, length = this.trackElements_.length; i < length; i++) {
-        if (trackElement === this.trackElements_[i]) {
-          if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') {
-            this.trackElements_[i].track.off();
-          }
-          if (typeof this.trackElements_[i].off === 'function') {
-            this.trackElements_[i].off();
-          }
-          this.trackElements_.splice(i, 1);
-          break;
-        }
-      }
-    }
-  }
-
-  /**
-   * @file text-track-cue-list.js
-   */
-
-  /**
-   * @typedef {Object} TextTrackCueList~TextTrackCue
-   *
-   * @property {string} id
-   *           The unique id for this text track cue
-   *
-   * @property {number} startTime
-   *           The start time for this text track cue
-   *
-   * @property {number} endTime
-   *           The end time for this text track cue
-   *
-   * @property {boolean} pauseOnExit
-   *           Pause when the end time is reached if true.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
-   */
-
-  /**
-   * A List of TextTrackCues.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
-   */
-  class TextTrackCueList {
-    /**
-     * Create an instance of this class..
-     *
-     * @param {Array} cues
-     *        A list of cues to be initialized with
-     */
-    constructor(cues) {
-      TextTrackCueList.prototype.setCues_.call(this, cues);
-
-      /**
-       * @memberof TextTrackCueList
-       * @member {number} length
-       *         The current number of `TextTrackCue`s in the TextTrackCueList.
-       * @instance
-       */
-      Object.defineProperty(this, 'length', {
-        get() {
-          return this.length_;
-        }
-      });
-    }
-
-    /**
-     * A setter for cues in this list. Creates getters
-     * an an index for the cues.
-     *
-     * @param {Array} cues
-     *        An array of cues to set
-     *
-     * @private
-     */
-    setCues_(cues) {
-      const oldLength = this.length || 0;
-      let i = 0;
-      const l = cues.length;
-      this.cues_ = cues;
-      this.length_ = cues.length;
-      const defineProp = function (index) {
-        if (!('' + index in this)) {
-          Object.defineProperty(this, '' + index, {
-            get() {
-              return this.cues_[index];
-            }
-          });
-        }
-      };
-      if (oldLength < l) {
-        i = oldLength;
-        for (; i < l; i++) {
-          defineProp.call(this, i);
-        }
-      }
-    }
-
-    /**
-     * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
-     *
-     * @param {string} id
-     *        The id of the cue that should be searched for.
-     *
-     * @return {TextTrackCueList~TextTrackCue|null}
-     *         A single cue or null if none was found.
-     */
-    getCueById(id) {
-      let result = null;
-      for (let i = 0, l = this.length; i < l; i++) {
-        const cue = this[i];
-        if (cue.id === id) {
-          result = cue;
-          break;
-        }
-      }
-      return result;
-    }
-  }
-
-  /**
-   * @file track-kinds.js
-   */
-
-  /**
-   * All possible `VideoTrackKind`s
-   *
-   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
-   * @typedef VideoTrack~Kind
-   * @enum
-   */
-  const VideoTrackKind = {
-    alternative: 'alternative',
-    captions: 'captions',
-    main: 'main',
-    sign: 'sign',
-    subtitles: 'subtitles',
-    commentary: 'commentary'
-  };
-
-  /**
-   * All possible `AudioTrackKind`s
-   *
-   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
-   * @typedef AudioTrack~Kind
-   * @enum
-   */
-  const AudioTrackKind = {
-    'alternative': 'alternative',
-    'descriptions': 'descriptions',
-    'main': 'main',
-    'main-desc': 'main-desc',
-    'translation': 'translation',
-    'commentary': 'commentary'
-  };
-
-  /**
-   * All possible `TextTrackKind`s
-   *
-   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
-   * @typedef TextTrack~Kind
-   * @enum
-   */
-  const TextTrackKind = {
-    subtitles: 'subtitles',
-    captions: 'captions',
-    descriptions: 'descriptions',
-    chapters: 'chapters',
-    metadata: 'metadata'
-  };
-
-  /**
-   * All possible `TextTrackMode`s
-   *
-   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
-   * @typedef TextTrack~Mode
-   * @enum
-   */
-  const TextTrackMode = {
-    disabled: 'disabled',
-    hidden: 'hidden',
-    showing: 'showing'
-  };
-
-  /**
-   * @file track.js
-   */
-
-  /**
-   * A Track class that contains all of the common functionality for {@link AudioTrack},
-   * {@link VideoTrack}, and {@link TextTrack}.
-   *
-   * > Note: This class should not be used directly
-   *
-   * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
-   * @extends EventTarget
-   * @abstract
-   */
-  class Track extends EventTarget {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {Object} [options={}]
-     *        Object of option names and values
-     *
-     * @param {string} [options.kind='']
-     *        A valid kind for the track type you are creating.
-     *
-     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
-     *        A unique id for this AudioTrack.
-     *
-     * @param {string} [options.label='']
-     *        The menu label for this track.
-     *
-     * @param {string} [options.language='']
-     *        A valid two character language code.
-     *
-     * @abstract
-     */
-    constructor(options = {}) {
-      super();
-      const trackProps = {
-        id: options.id || 'vjs_track_' + newGUID(),
-        kind: options.kind || '',
-        language: options.language || ''
-      };
-      let label = options.label || '';
-
-      /**
-       * @memberof Track
-       * @member {string} id
-       *         The id of this track. Cannot be changed after creation.
-       * @instance
-       *
-       * @readonly
-       */
-
-      /**
-       * @memberof Track
-       * @member {string} kind
-       *         The kind of track that this is. Cannot be changed after creation.
-       * @instance
-       *
-       * @readonly
-       */
-
-      /**
-       * @memberof Track
-       * @member {string} language
-       *         The two letter language code for this track. Cannot be changed after
-       *         creation.
-       * @instance
-       *
-       * @readonly
-       */
-
-      for (const key in trackProps) {
-        Object.defineProperty(this, key, {
-          get() {
-            return trackProps[key];
-          },
-          set() {}
-        });
-      }
-
-      /**
-       * @memberof Track
-       * @member {string} label
-       *         The label of this track. Cannot be changed after creation.
-       * @instance
-       *
-       * @fires Track#labelchange
-       */
-      Object.defineProperty(this, 'label', {
-        get() {
-          return label;
-        },
-        set(newLabel) {
-          if (newLabel !== label) {
-            label = newLabel;
-
-            /**
-             * An event that fires when label changes on this track.
-             *
-             * > Note: This is not part of the spec!
-             *
-             * @event Track#labelchange
-             * @type {Event}
-             */
-            this.trigger('labelchange');
-          }
-        }
-      });
-    }
-  }
-
-  /**
-   * @file url.js
-   * @module url
-   */
-
-  /**
-   * @typedef {Object} url:URLObject
-   *
-   * @property {string} protocol
-   *           The protocol of the url that was parsed.
-   *
-   * @property {string} hostname
-   *           The hostname of the url that was parsed.
-   *
-   * @property {string} port
-   *           The port of the url that was parsed.
-   *
-   * @property {string} pathname
-   *           The pathname of the url that was parsed.
-   *
-   * @property {string} search
-   *           The search query of the url that was parsed.
-   *
-   * @property {string} hash
-   *           The hash of the url that was parsed.
-   *
-   * @property {string} host
-   *           The host of the url that was parsed.
-   */
-
-  /**
-   * Resolve and parse the elements of a URL.
-   *
-   * @function
-   * @param    {String} url
-   *           The url to parse
-   *
-   * @return   {url:URLObject}
-   *           An object of url details
-   */
-  const parseUrl = function (url) {
-    // This entire method can be replace with URL once we are able to drop IE11
-
-    const props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
-
-    // add the url to an anchor and let the browser parse the URL
-    const a = document.createElement('a');
-    a.href = url;
-
-    // Copy the specific URL properties to a new object
-    // This is also needed for IE because the anchor loses its
-    // properties when it's removed from the dom
-    const details = {};
-    for (let i = 0; i < props.length; i++) {
-      details[props[i]] = a[props[i]];
-    }
-
-    // IE adds the port to the host property unlike everyone else. If
-    // a port identifier is added for standard ports, strip it.
-    if (details.protocol === 'http:') {
-      details.host = details.host.replace(/:80$/, '');
-    }
-    if (details.protocol === 'https:') {
-      details.host = details.host.replace(/:443$/, '');
-    }
-    if (!details.protocol) {
-      details.protocol = window.location.protocol;
-    }
-
-    /* istanbul ignore if */
-    if (!details.host) {
-      details.host = window.location.host;
-    }
-    return details;
-  };
-
-  /**
-   * Get absolute version of relative URL.
-   *
-   * @function
-   * @param    {string} url
-   *           URL to make absolute
-   *
-   * @return   {string}
-   *           Absolute URL
-   *
-   * @see      http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
-   */
-  const getAbsoluteURL = function (url) {
-    // Check if absolute URL
-    if (!url.match(/^https?:\/\//)) {
-      // Add the url to an anchor and let the browser parse it to convert to an absolute url
-      const a = document.createElement('a');
-      a.href = url;
-      url = a.href;
-    }
-    return url;
-  };
-
-  /**
-   * Returns the extension of the passed file name. It will return an empty string
-   * if passed an invalid path.
-   *
-   * @function
-   * @param    {string} path
-   *           The fileName path like '/path/to/file.mp4'
-   *
-   * @return  {string}
-   *           The extension in lower case or an empty string if no
-   *           extension could be found.
-   */
-  const getFileExtension = function (path) {
-    if (typeof path === 'string') {
-      const splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/;
-      const pathParts = splitPathRe.exec(path);
-      if (pathParts) {
-        return pathParts.pop().toLowerCase();
-      }
-    }
-    return '';
-  };
-
-  /**
-   * Returns whether the url passed is a cross domain request or not.
-   *
-   * @function
-   * @param    {string} url
-   *           The url to check.
-   *
-   * @param    {Object} [winLoc]
-   *           the domain to check the url against, defaults to window.location
-   *
-   * @param    {string} [winLoc.protocol]
-   *           The window location protocol defaults to window.location.protocol
-   *
-   * @param    {string} [winLoc.host]
-   *           The window location host defaults to window.location.host
-   *
-   * @return   {boolean}
-   *           Whether it is a cross domain request or not.
-   */
-  const isCrossOrigin = function (url, winLoc = window.location) {
-    const urlInfo = parseUrl(url);
-
-    // IE8 protocol relative urls will return ':' for protocol
-    const srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
-
-    // Check if url is for another domain/origin
-    // IE8 doesn't know location.origin, so we won't rely on it here
-    const crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
-    return crossOrigin;
-  };
-
-  var Url = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    parseUrl: parseUrl,
-    getAbsoluteURL: getAbsoluteURL,
-    getFileExtension: getFileExtension,
-    isCrossOrigin: isCrossOrigin
-  });
-
-  var win;
-  if (typeof window !== "undefined") {
-    win = window;
-  } else if (typeof commonjsGlobal !== "undefined") {
-    win = commonjsGlobal;
-  } else if (typeof self !== "undefined") {
-    win = self;
-  } else {
-    win = {};
-  }
-  var window_1 = win;
-
-  var _extends_1 = createCommonjsModule(function (module) {
-    function _extends() {
-      module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) {
-        for (var i = 1; i < arguments.length; i++) {
-          var source = arguments[i];
-          for (var key in source) {
-            if (Object.prototype.hasOwnProperty.call(source, key)) {
-              target[key] = source[key];
-            }
-          }
-        }
-        return target;
-      }, module.exports.__esModule = true, module.exports["default"] = module.exports;
-      return _extends.apply(this, arguments);
-    }
-    module.exports = _extends, module.exports.__esModule = true, module.exports["default"] = module.exports;
-  });
-  unwrapExports(_extends_1);
-
-  var isFunction_1 = isFunction;
-  var toString = Object.prototype.toString;
-  function isFunction(fn) {
-    if (!fn) {
-      return false;
-    }
-    var string = toString.call(fn);
-    return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && (
-    // IE8 and below
-    fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt);
-  }
-
-  var httpResponseHandler = function httpResponseHandler(callback, decodeResponseBody) {
-    if (decodeResponseBody === void 0) {
-      decodeResponseBody = false;
-    }
-    return function (err, response, responseBody) {
-      // if the XHR failed, return that error
-      if (err) {
-        callback(err);
-        return;
-      } // if the HTTP status code is 4xx or 5xx, the request also failed
-
-      if (response.statusCode >= 400 && response.statusCode <= 599) {
-        var cause = responseBody;
-        if (decodeResponseBody) {
-          if (window_1.TextDecoder) {
-            var charset = getCharset(response.headers && response.headers['content-type']);
-            try {
-              cause = new TextDecoder(charset).decode(responseBody);
-            } catch (e) {}
-          } else {
-            cause = String.fromCharCode.apply(null, new Uint8Array(responseBody));
-          }
-        }
-        callback({
-          cause: cause
-        });
-        return;
-      } // otherwise, request succeeded
-
-      callback(null, responseBody);
-    };
-  };
-  function getCharset(contentTypeHeader) {
-    if (contentTypeHeader === void 0) {
-      contentTypeHeader = '';
-    }
-    return contentTypeHeader.toLowerCase().split(';').reduce(function (charset, contentType) {
-      var _contentType$split = contentType.split('='),
-        type = _contentType$split[0],
-        value = _contentType$split[1];
-      if (type.trim() === 'charset') {
-        return value.trim();
-      }
-      return charset;
-    }, 'utf-8');
-  }
-  var httpHandler = httpResponseHandler;
-
-  createXHR.httpHandler = httpHandler;
-  /**
-   * @license
-   * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>
-   * Copyright (c) 2014 David Björklund
-   * Available under the MIT license
-   * <https://github.com/kesla/parse-headers/blob/master/LICENCE>
-   */
-
-  var parseHeaders = function parseHeaders(headers) {
-    var result = {};
-    if (!headers) {
-      return result;
-    }
-    headers.trim().split('\n').forEach(function (row) {
-      var index = row.indexOf(':');
-      var key = row.slice(0, index).trim().toLowerCase();
-      var value = row.slice(index + 1).trim();
-      if (typeof result[key] === 'undefined') {
-        result[key] = value;
-      } else if (Array.isArray(result[key])) {
-        result[key].push(value);
-      } else {
-        result[key] = [result[key], value];
-      }
-    });
-    return result;
-  };
-  var lib = createXHR; // Allow use of default import syntax in TypeScript
-
-  var default_1 = createXHR;
-  createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop;
-  createXHR.XDomainRequest = "withCredentials" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window_1.XDomainRequest;
-  forEachArray(["get", "put", "post", "patch", "head", "delete"], function (method) {
-    createXHR[method === "delete" ? "del" : method] = function (uri, options, callback) {
-      options = initParams(uri, options, callback);
-      options.method = method.toUpperCase();
-      return _createXHR(options);
-    };
-  });
-  function forEachArray(array, iterator) {
-    for (var i = 0; i < array.length; i++) {
-      iterator(array[i]);
-    }
-  }
-  function isEmpty(obj) {
-    for (var i in obj) {
-      if (obj.hasOwnProperty(i)) return false;
-    }
-    return true;
-  }
-  function initParams(uri, options, callback) {
-    var params = uri;
-    if (isFunction_1(options)) {
-      callback = options;
-      if (typeof uri === "string") {
-        params = {
-          uri: uri
-        };
-      }
-    } else {
-      params = _extends_1({}, options, {
-        uri: uri
-      });
-    }
-    params.callback = callback;
-    return params;
-  }
-  function createXHR(uri, options, callback) {
-    options = initParams(uri, options, callback);
-    return _createXHR(options);
-  }
-  function _createXHR(options) {
-    if (typeof options.callback === "undefined") {
-      throw new Error("callback argument missing");
-    }
-    var called = false;
-    var callback = function cbOnce(err, response, body) {
-      if (!called) {
-        called = true;
-        options.callback(err, response, body);
-      }
-    };
-    function readystatechange() {
-      if (xhr.readyState === 4) {
-        setTimeout(loadFunc, 0);
-      }
-    }
-    function getBody() {
-      // Chrome with requestType=blob throws errors arround when even testing access to responseText
-      var body = undefined;
-      if (xhr.response) {
-        body = xhr.response;
-      } else {
-        body = xhr.responseText || getXml(xhr);
-      }
-      if (isJson) {
-        try {
-          body = JSON.parse(body);
-        } catch (e) {}
-      }
-      return body;
-    }
-    function errorFunc(evt) {
-      clearTimeout(timeoutTimer);
-      if (!(evt instanceof Error)) {
-        evt = new Error("" + (evt || "Unknown XMLHttpRequest Error"));
-      }
-      evt.statusCode = 0;
-      return callback(evt, failureResponse);
-    } // will load the data & process the response in a special response object
-
-    function loadFunc() {
-      if (aborted) return;
-      var status;
-      clearTimeout(timeoutTimer);
-      if (options.useXDR && xhr.status === undefined) {
-        //IE8 CORS GET successful response doesn't have a status field, but body is fine
-        status = 200;
-      } else {
-        status = xhr.status === 1223 ? 204 : xhr.status;
-      }
-      var response = failureResponse;
-      var err = null;
-      if (status !== 0) {
-        response = {
-          body: getBody(),
-          statusCode: status,
-          method: method,
-          headers: {},
-          url: uri,
-          rawRequest: xhr
-        };
-        if (xhr.getAllResponseHeaders) {
-          //remember xhr can in fact be XDR for CORS in IE
-          response.headers = parseHeaders(xhr.getAllResponseHeaders());
-        }
-      } else {
-        err = new Error("Internal XMLHttpRequest Error");
-      }
-      return callback(err, response, response.body);
-    }
-    var xhr = options.xhr || null;
-    if (!xhr) {
-      if (options.cors || options.useXDR) {
-        xhr = new createXHR.XDomainRequest();
-      } else {
-        xhr = new createXHR.XMLHttpRequest();
-      }
-    }
-    var key;
-    var aborted;
-    var uri = xhr.url = options.uri || options.url;
-    var method = xhr.method = options.method || "GET";
-    var body = options.body || options.data;
-    var headers = xhr.headers = options.headers || {};
-    var sync = !!options.sync;
-    var isJson = false;
-    var timeoutTimer;
-    var failureResponse = {
-      body: undefined,
-      headers: {},
-      statusCode: 0,
-      method: method,
-      url: uri,
-      rawRequest: xhr
-    };
-    if ("json" in options && options.json !== false) {
-      isJson = true;
-      headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
-
-      if (method !== "GET" && method !== "HEAD") {
-        headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
-
-        body = JSON.stringify(options.json === true ? body : options.json);
-      }
-    }
-    xhr.onreadystatechange = readystatechange;
-    xhr.onload = loadFunc;
-    xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function.
-
-    xhr.onprogress = function () {// IE must die
-    };
-    xhr.onabort = function () {
-      aborted = true;
-    };
-    xhr.ontimeout = errorFunc;
-    xhr.open(method, uri, !sync, options.username, options.password); //has to be after open
-
-    if (!sync) {
-      xhr.withCredentials = !!options.withCredentials;
-    } // Cannot set timeout with sync request
-    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
-    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
-
-    if (!sync && options.timeout > 0) {
-      timeoutTimer = setTimeout(function () {
-        if (aborted) return;
-        aborted = true; //IE9 may still call readystatechange
-
-        xhr.abort("timeout");
-        var e = new Error("XMLHttpRequest timeout");
-        e.code = "ETIMEDOUT";
-        errorFunc(e);
-      }, options.timeout);
-    }
-    if (xhr.setRequestHeader) {
-      for (key in headers) {
-        if (headers.hasOwnProperty(key)) {
-          xhr.setRequestHeader(key, headers[key]);
-        }
-      }
-    } else if (options.headers && !isEmpty(options.headers)) {
-      throw new Error("Headers cannot be set on an XDomainRequest object");
-    }
-    if ("responseType" in options) {
-      xhr.responseType = options.responseType;
-    }
-    if ("beforeSend" in options && typeof options.beforeSend === "function") {
-      options.beforeSend(xhr);
-    } // Microsoft Edge browser sends "undefined" when send is called with undefined value.
-    // XMLHttpRequest spec says to pass null as body to indicate no body
-    // See https://github.com/naugtur/xhr/issues/100.
-
-    xhr.send(body || null);
-    return xhr;
-  }
-  function getXml(xhr) {
-    // xhr.responseXML will throw Exception "InvalidStateError" or "DOMException"
-    // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML.
-    try {
-      if (xhr.responseType === "document") {
-        return xhr.responseXML;
-      }
-      var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
-      if (xhr.responseType === "" && !firefoxBugTakenEffect) {
-        return xhr.responseXML;
-      }
-    } catch (e) {}
-    return null;
-  }
-  function noop() {}
-  lib.default = default_1;
-
-  /**
-   * @file text-track.js
-   */
-
-  /**
-   * Takes a webvtt file contents and parses it into cues
-   *
-   * @param {string} srcContent
-   *        webVTT file contents
-   *
-   * @param {TextTrack} track
-   *        TextTrack to add cues to. Cues come from the srcContent.
-   *
-   * @private
-   */
-  const parseCues = function (srcContent, track) {
-    const parser = new window.WebVTT.Parser(window, window.vttjs, window.WebVTT.StringDecoder());
-    const errors = [];
-    parser.oncue = function (cue) {
-      track.addCue(cue);
-    };
-    parser.onparsingerror = function (error) {
-      errors.push(error);
-    };
-    parser.onflush = function () {
-      track.trigger({
-        type: 'loadeddata',
-        target: track
-      });
-    };
-    parser.parse(srcContent);
-    if (errors.length > 0) {
-      if (window.console && window.console.groupCollapsed) {
-        window.console.groupCollapsed(`Text Track parsing errors for ${track.src}`);
-      }
-      errors.forEach(error => log.error(error));
-      if (window.console && window.console.groupEnd) {
-        window.console.groupEnd();
-      }
-    }
-    parser.flush();
-  };
-
-  /**
-   * Load a `TextTrack` from a specified url.
-   *
-   * @param {string} src
-   *        Url to load track from.
-   *
-   * @param {TextTrack} track
-   *        Track to add cues to. Comes from the content at the end of `url`.
-   *
-   * @private
-   */
-  const loadTrack = function (src, track) {
-    const opts = {
-      uri: src
-    };
-    const crossOrigin = isCrossOrigin(src);
-    if (crossOrigin) {
-      opts.cors = crossOrigin;
-    }
-    const withCredentials = track.tech_.crossOrigin() === 'use-credentials';
-    if (withCredentials) {
-      opts.withCredentials = withCredentials;
-    }
-    lib(opts, bind_(this, function (err, response, responseBody) {
-      if (err) {
-        return log.error(err, response);
-      }
-      track.loaded_ = true;
-
-      // Make sure that vttjs has loaded, otherwise, wait till it finished loading
-      // NOTE: this is only used for the alt/video.novtt.js build
-      if (typeof window.WebVTT !== 'function') {
-        if (track.tech_) {
-          // to prevent use before define eslint error, we define loadHandler
-          // as a let here
-          track.tech_.any(['vttjsloaded', 'vttjserror'], event => {
-            if (event.type === 'vttjserror') {
-              log.error(`vttjs failed to load, stopping trying to process ${track.src}`);
-              return;
-            }
-            return parseCues(responseBody, track);
-          });
-        }
-      } else {
-        parseCues(responseBody, track);
-      }
-    }));
-  };
-
-  /**
-   * A representation of a single `TextTrack`.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
-   * @extends Track
-   */
-  class TextTrack extends Track {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {Object} options={}
-     *        Object of option names and values
-     *
-     * @param { import('../tech/tech').default } options.tech
-     *        A reference to the tech that owns this TextTrack.
-     *
-     * @param {TextTrack~Kind} [options.kind='subtitles']
-     *        A valid text track kind.
-     *
-     * @param {TextTrack~Mode} [options.mode='disabled']
-     *        A valid text track mode.
-     *
-     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
-     *        A unique id for this TextTrack.
-     *
-     * @param {string} [options.label='']
-     *        The menu label for this track.
-     *
-     * @param {string} [options.language='']
-     *        A valid two character language code.
-     *
-     * @param {string} [options.srclang='']
-     *        A valid two character language code. An alternative, but deprioritized
-     *        version of `options.language`
-     *
-     * @param {string} [options.src]
-     *        A url to TextTrack cues.
-     *
-     * @param {boolean} [options.default]
-     *        If this track should default to on or off.
-     */
-    constructor(options = {}) {
-      if (!options.tech) {
-        throw new Error('A tech was not provided.');
-      }
-      const settings = merge(options, {
-        kind: TextTrackKind[options.kind] || 'subtitles',
-        language: options.language || options.srclang || ''
-      });
-      let mode = TextTrackMode[settings.mode] || 'disabled';
-      const default_ = settings.default;
-      if (settings.kind === 'metadata' || settings.kind === 'chapters') {
-        mode = 'hidden';
-      }
-      super(settings);
-      this.tech_ = settings.tech;
-      this.cues_ = [];
-      this.activeCues_ = [];
-      this.preload_ = this.tech_.preloadTextTracks !== false;
-      const cues = new TextTrackCueList(this.cues_);
-      const activeCues = new TextTrackCueList(this.activeCues_);
-      let changed = false;
-      this.timeupdateHandler = bind_(this, function (event = {}) {
-        if (this.tech_.isDisposed()) {
-          return;
-        }
-        if (!this.tech_.isReady_) {
-          if (event.type !== 'timeupdate') {
-            this.rvf_ = this.tech_.requestVideoFrameCallback(this.timeupdateHandler);
-          }
-          return;
-        }
-
-        // Accessing this.activeCues for the side-effects of updating itself
-        // due to its nature as a getter function. Do not remove or cues will
-        // stop updating!
-        // Use the setter to prevent deletion from uglify (pure_getters rule)
-        this.activeCues = this.activeCues;
-        if (changed) {
-          this.trigger('cuechange');
-          changed = false;
-        }
-        if (event.type !== 'timeupdate') {
-          this.rvf_ = this.tech_.requestVideoFrameCallback(this.timeupdateHandler);
-        }
-      });
-      const disposeHandler = () => {
-        this.stopTracking();
-      };
-      this.tech_.one('dispose', disposeHandler);
-      if (mode !== 'disabled') {
-        this.startTracking();
-      }
-      Object.defineProperties(this, {
-        /**
-         * @memberof TextTrack
-         * @member {boolean} default
-         *         If this track was set to be on or off by default. Cannot be changed after
-         *         creation.
-         * @instance
-         *
-         * @readonly
-         */
-        default: {
-          get() {
-            return default_;
-          },
-          set() {}
-        },
-        /**
-         * @memberof TextTrack
-         * @member {string} mode
-         *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
-         *         not be set if setting to an invalid mode.
-         * @instance
-         *
-         * @fires TextTrack#modechange
-         */
-        mode: {
-          get() {
-            return mode;
-          },
-          set(newMode) {
-            if (!TextTrackMode[newMode]) {
-              return;
-            }
-            if (mode === newMode) {
-              return;
-            }
-            mode = newMode;
-            if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) {
-              // On-demand load.
-              loadTrack(this.src, this);
-            }
-            this.stopTracking();
-            if (mode !== 'disabled') {
-              this.startTracking();
-            }
-            /**
-             * An event that fires when mode changes on this track. This allows
-             * the TextTrackList that holds this track to act accordingly.
-             *
-             * > Note: This is not part of the spec!
-             *
-             * @event TextTrack#modechange
-             * @type {Event}
-             */
-            this.trigger('modechange');
-          }
-        },
-        /**
-         * @memberof TextTrack
-         * @member {TextTrackCueList} cues
-         *         The text track cue list for this TextTrack.
-         * @instance
-         */
-        cues: {
-          get() {
-            if (!this.loaded_) {
-              return null;
-            }
-            return cues;
-          },
-          set() {}
-        },
-        /**
-         * @memberof TextTrack
-         * @member {TextTrackCueList} activeCues
-         *         The list text track cues that are currently active for this TextTrack.
-         * @instance
-         */
-        activeCues: {
-          get() {
-            if (!this.loaded_) {
-              return null;
-            }
-
-            // nothing to do
-            if (this.cues.length === 0) {
-              return activeCues;
-            }
-            const ct = this.tech_.currentTime();
-            const active = [];
-            for (let i = 0, l = this.cues.length; i < l; i++) {
-              const cue = this.cues[i];
-              if (cue.startTime <= ct && cue.endTime >= ct) {
-                active.push(cue);
-              }
-            }
-            changed = false;
-            if (active.length !== this.activeCues_.length) {
-              changed = true;
-            } else {
-              for (let i = 0; i < active.length; i++) {
-                if (this.activeCues_.indexOf(active[i]) === -1) {
-                  changed = true;
-                }
-              }
-            }
-            this.activeCues_ = active;
-            activeCues.setCues_(this.activeCues_);
-            return activeCues;
-          },
-          // /!\ Keep this setter empty (see the timeupdate handler above)
-          set() {}
-        }
-      });
-      if (settings.src) {
-        this.src = settings.src;
-        if (!this.preload_) {
-          // Tracks will load on-demand.
-          // Act like we're loaded for other purposes.
-          this.loaded_ = true;
-        }
-        if (this.preload_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') {
-          loadTrack(this.src, this);
-        }
-      } else {
-        this.loaded_ = true;
-      }
-    }
-    startTracking() {
-      // More precise cues based on requestVideoFrameCallback with a requestAnimationFram fallback
-      this.rvf_ = this.tech_.requestVideoFrameCallback(this.timeupdateHandler);
-      // Also listen to timeupdate in case rVFC/rAF stops (window in background, audio in video el)
-      this.tech_.on('timeupdate', this.timeupdateHandler);
-    }
-    stopTracking() {
-      if (this.rvf_) {
-        this.tech_.cancelVideoFrameCallback(this.rvf_);
-        this.rvf_ = undefined;
-      }
-      this.tech_.off('timeupdate', this.timeupdateHandler);
-    }
-
-    /**
-     * Add a cue to the internal list of cues.
-     *
-     * @param {TextTrack~Cue} cue
-     *        The cue to add to our internal list
-     */
-    addCue(originalCue) {
-      let cue = originalCue;
-
-      // Testing if the cue is a VTTCue in a way that survives minification
-      if (!('getCueAsHTML' in cue)) {
-        cue = new window.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
-        for (const prop in originalCue) {
-          if (!(prop in cue)) {
-            cue[prop] = originalCue[prop];
-          }
-        }
-
-        // make sure that `id` is copied over
-        cue.id = originalCue.id;
-        cue.originalCue_ = originalCue;
-      }
-      const tracks = this.tech_.textTracks();
-      for (let i = 0; i < tracks.length; i++) {
-        if (tracks[i] !== this) {
-          tracks[i].removeCue(cue);
-        }
-      }
-      this.cues_.push(cue);
-      this.cues.setCues_(this.cues_);
-    }
-
-    /**
-     * Remove a cue from our internal list
-     *
-     * @param {TextTrack~Cue} removeCue
-     *        The cue to remove from our internal list
-     */
-    removeCue(removeCue) {
-      let i = this.cues_.length;
-      while (i--) {
-        const cue = this.cues_[i];
-        if (cue === removeCue || cue.originalCue_ && cue.originalCue_ === removeCue) {
-          this.cues_.splice(i, 1);
-          this.cues.setCues_(this.cues_);
-          break;
-        }
-      }
-    }
-  }
-
-  /**
-   * cuechange - One or more cues in the track have become active or stopped being active.
-   * @protected
-   */
-  TextTrack.prototype.allowedEvents_ = {
-    cuechange: 'cuechange'
-  };
-
-  /**
-   * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
-   * only one `AudioTrack` in the list will be enabled at a time.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
-   * @extends Track
-   */
-  class AudioTrack extends Track {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {Object} [options={}]
-     *        Object of option names and values
-     *
-     * @param {AudioTrack~Kind} [options.kind='']
-     *        A valid audio track kind
-     *
-     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
-     *        A unique id for this AudioTrack.
-     *
-     * @param {string} [options.label='']
-     *        The menu label for this track.
-     *
-     * @param {string} [options.language='']
-     *        A valid two character language code.
-     *
-     * @param {boolean} [options.enabled]
-     *        If this track is the one that is currently playing. If this track is part of
-     *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
-     */
-    constructor(options = {}) {
-      const settings = merge(options, {
-        kind: AudioTrackKind[options.kind] || ''
-      });
-      super(settings);
-      let enabled = false;
-
-      /**
-       * @memberof AudioTrack
-       * @member {boolean} enabled
-       *         If this `AudioTrack` is enabled or not. When setting this will
-       *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
-       * @instance
-       *
-       * @fires VideoTrack#selectedchange
-       */
-      Object.defineProperty(this, 'enabled', {
-        get() {
-          return enabled;
-        },
-        set(newEnabled) {
-          // an invalid or unchanged value
-          if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
-            return;
-          }
-          enabled = newEnabled;
-
-          /**
-           * An event that fires when enabled changes on this track. This allows
-           * the AudioTrackList that holds this track to act accordingly.
-           *
-           * > Note: This is not part of the spec! Native tracks will do
-           *         this internally without an event.
-           *
-           * @event AudioTrack#enabledchange
-           * @type {Event}
-           */
-          this.trigger('enabledchange');
-        }
-      });
-
-      // if the user sets this track to selected then
-      // set selected to that true value otherwise
-      // we keep it false
-      if (settings.enabled) {
-        this.enabled = settings.enabled;
-      }
-      this.loaded_ = true;
-    }
-  }
-
-  /**
-   * A representation of a single `VideoTrack`.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
-   * @extends Track
-   */
-  class VideoTrack extends Track {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {Object} [options={}]
-     *        Object of option names and values
-     *
-     * @param {string} [options.kind='']
-     *        A valid {@link VideoTrack~Kind}
-     *
-     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
-     *        A unique id for this AudioTrack.
-     *
-     * @param {string} [options.label='']
-     *        The menu label for this track.
-     *
-     * @param {string} [options.language='']
-     *        A valid two character language code.
-     *
-     * @param {boolean} [options.selected]
-     *        If this track is the one that is currently playing.
-     */
-    constructor(options = {}) {
-      const settings = merge(options, {
-        kind: VideoTrackKind[options.kind] || ''
-      });
-      super(settings);
-      let selected = false;
-
-      /**
-       * @memberof VideoTrack
-       * @member {boolean} selected
-       *         If this `VideoTrack` is selected or not. When setting this will
-       *         fire {@link VideoTrack#selectedchange} if the state of selected changed.
-       * @instance
-       *
-       * @fires VideoTrack#selectedchange
-       */
-      Object.defineProperty(this, 'selected', {
-        get() {
-          return selected;
-        },
-        set(newSelected) {
-          // an invalid or unchanged value
-          if (typeof newSelected !== 'boolean' || newSelected === selected) {
-            return;
-          }
-          selected = newSelected;
-
-          /**
-           * An event that fires when selected changes on this track. This allows
-           * the VideoTrackList that holds this track to act accordingly.
-           *
-           * > Note: This is not part of the spec! Native tracks will do
-           *         this internally without an event.
-           *
-           * @event VideoTrack#selectedchange
-           * @type {Event}
-           */
-          this.trigger('selectedchange');
-        }
-      });
-
-      // if the user sets this track to selected then
-      // set selected to that true value otherwise
-      // we keep it false
-      if (settings.selected) {
-        this.selected = settings.selected;
-      }
-    }
-  }
-
-  /**
-   * @file html-track-element.js
-   */
-
-  /**
-   * A single track represented in the DOM.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
-   * @extends EventTarget
-   */
-  class HTMLTrackElement extends EventTarget {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {Object} options={}
-     *        Object of option names and values
-     *
-     * @param { import('../tech/tech').default } options.tech
-     *        A reference to the tech that owns this HTMLTrackElement.
-     *
-     * @param {TextTrack~Kind} [options.kind='subtitles']
-     *        A valid text track kind.
-     *
-     * @param {TextTrack~Mode} [options.mode='disabled']
-     *        A valid text track mode.
-     *
-     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
-     *        A unique id for this TextTrack.
-     *
-     * @param {string} [options.label='']
-     *        The menu label for this track.
-     *
-     * @param {string} [options.language='']
-     *        A valid two character language code.
-     *
-     * @param {string} [options.srclang='']
-     *        A valid two character language code. An alternative, but deprioritized
-     *        version of `options.language`
-     *
-     * @param {string} [options.src]
-     *        A url to TextTrack cues.
-     *
-     * @param {boolean} [options.default]
-     *        If this track should default to on or off.
-     */
-    constructor(options = {}) {
-      super();
-      let readyState;
-      const track = new TextTrack(options);
-      this.kind = track.kind;
-      this.src = track.src;
-      this.srclang = track.language;
-      this.label = track.label;
-      this.default = track.default;
-      Object.defineProperties(this, {
-        /**
-         * @memberof HTMLTrackElement
-         * @member {HTMLTrackElement~ReadyState} readyState
-         *         The current ready state of the track element.
-         * @instance
-         */
-        readyState: {
-          get() {
-            return readyState;
-          }
-        },
-        /**
-         * @memberof HTMLTrackElement
-         * @member {TextTrack} track
-         *         The underlying TextTrack object.
-         * @instance
-         *
-         */
-        track: {
-          get() {
-            return track;
-          }
-        }
-      });
-      readyState = HTMLTrackElement.NONE;
-
-      /**
-       * @listens TextTrack#loadeddata
-       * @fires HTMLTrackElement#load
-       */
-      track.addEventListener('loadeddata', () => {
-        readyState = HTMLTrackElement.LOADED;
-        this.trigger({
-          type: 'load',
-          target: this
-        });
-      });
-    }
-  }
-
-  /**
-   * @protected
-   */
-  HTMLTrackElement.prototype.allowedEvents_ = {
-    load: 'load'
-  };
-
-  /**
-   * The text track not loaded state.
-   *
-   * @type {number}
-   * @static
-   */
-  HTMLTrackElement.NONE = 0;
-
-  /**
-   * The text track loading state.
-   *
-   * @type {number}
-   * @static
-   */
-  HTMLTrackElement.LOADING = 1;
-
-  /**
-   * The text track loaded state.
-   *
-   * @type {number}
-   * @static
-   */
-  HTMLTrackElement.LOADED = 2;
-
-  /**
-   * The text track failed to load state.
-   *
-   * @type {number}
-   * @static
-   */
-  HTMLTrackElement.ERROR = 3;
-
-  /*
-   * This file contains all track properties that are used in
-   * player.js, tech.js, html5.js and possibly other techs in the future.
-   */
-
-  const NORMAL = {
-    audio: {
-      ListClass: AudioTrackList,
-      TrackClass: AudioTrack,
-      capitalName: 'Audio'
-    },
-    video: {
-      ListClass: VideoTrackList,
-      TrackClass: VideoTrack,
-      capitalName: 'Video'
-    },
-    text: {
-      ListClass: TextTrackList,
-      TrackClass: TextTrack,
-      capitalName: 'Text'
-    }
-  };
-  Object.keys(NORMAL).forEach(function (type) {
-    NORMAL[type].getterName = `${type}Tracks`;
-    NORMAL[type].privateName = `${type}Tracks_`;
-  });
-  const REMOTE = {
-    remoteText: {
-      ListClass: TextTrackList,
-      TrackClass: TextTrack,
-      capitalName: 'RemoteText',
-      getterName: 'remoteTextTracks',
-      privateName: 'remoteTextTracks_'
-    },
-    remoteTextEl: {
-      ListClass: HtmlTrackElementList,
-      TrackClass: HTMLTrackElement,
-      capitalName: 'RemoteTextTrackEls',
-      getterName: 'remoteTextTrackEls',
-      privateName: 'remoteTextTrackEls_'
-    }
-  };
-  const ALL = Object.assign({}, NORMAL, REMOTE);
-  REMOTE.names = Object.keys(REMOTE);
-  NORMAL.names = Object.keys(NORMAL);
-  ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
-
-  var vtt = {};
-
-  /**
-   * @file tech.js
-   */
-
-  /**
-   * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
-   * that just contains the src url alone.
-   * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
-     * `var SourceString = 'http://example.com/some-video.mp4';`
-   *
-   * @typedef {Object|string} SourceObject
-   *
-   * @property {string} src
-   *           The url to the source
-   *
-   * @property {string} type
-   *           The mime type of the source
-   */
-
-  /**
-   * A function used by {@link Tech} to create a new {@link TextTrack}.
-   *
-   * @private
-   *
-   * @param {Tech} self
-   *        An instance of the Tech class.
-   *
-   * @param {string} kind
-   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
-   *
-   * @param {string} [label]
-   *        Label to identify the text track
-   *
-   * @param {string} [language]
-   *        Two letter language abbreviation
-   *
-   * @param {Object} [options={}]
-   *        An object with additional text track options
-   *
-   * @return {TextTrack}
-   *          The text track that was created.
-   */
-  function createTrackHelper(self, kind, label, language, options = {}) {
-    const tracks = self.textTracks();
-    options.kind = kind;
-    if (label) {
-      options.label = label;
-    }
-    if (language) {
-      options.language = language;
-    }
-    options.tech = self;
-    const track = new ALL.text.TrackClass(options);
-    tracks.addTrack(track);
-    return track;
-  }
-
-  /**
-   * This is the base class for media playback technology controllers, such as
-   * {@link HTML5}
-   *
-   * @extends Component
-   */
-  class Tech extends Component {
-    /**
-    * Create an instance of this Tech.
-    *
-    * @param {Object} [options]
-    *        The key/value store of player options.
-    *
-    * @param {Function} [ready]
-    *        Callback function to call when the `HTML5` Tech is ready.
-    */
-    constructor(options = {}, ready = function () {}) {
-      // we don't want the tech to report user activity automatically.
-      // This is done manually in addControlsListeners
-      options.reportTouchActivity = false;
-      super(null, options, ready);
-      this.onDurationChange_ = e => this.onDurationChange(e);
-      this.trackProgress_ = e => this.trackProgress(e);
-      this.trackCurrentTime_ = e => this.trackCurrentTime(e);
-      this.stopTrackingCurrentTime_ = e => this.stopTrackingCurrentTime(e);
-      this.disposeSourceHandler_ = e => this.disposeSourceHandler(e);
-      this.queuedHanders_ = new Set();
-
-      // keep track of whether the current source has played at all to
-      // implement a very limited played()
-      this.hasStarted_ = false;
-      this.on('playing', function () {
-        this.hasStarted_ = true;
-      });
-      this.on('loadstart', function () {
-        this.hasStarted_ = false;
-      });
-      ALL.names.forEach(name => {
-        const props = ALL[name];
-        if (options && options[props.getterName]) {
-          this[props.privateName] = options[props.getterName];
-        }
-      });
-
-      // Manually track progress in cases where the browser/tech doesn't report it.
-      if (!this.featuresProgressEvents) {
-        this.manualProgressOn();
-      }
-
-      // Manually track timeupdates in cases where the browser/tech doesn't report it.
-      if (!this.featuresTimeupdateEvents) {
-        this.manualTimeUpdatesOn();
-      }
-      ['Text', 'Audio', 'Video'].forEach(track => {
-        if (options[`native${track}Tracks`] === false) {
-          this[`featuresNative${track}Tracks`] = false;
-        }
-      });
-      if (options.nativeCaptions === false || options.nativeTextTracks === false) {
-        this.featuresNativeTextTracks = false;
-      } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
-        this.featuresNativeTextTracks = true;
-      }
-      if (!this.featuresNativeTextTracks) {
-        this.emulateTextTracks();
-      }
-      this.preloadTextTracks = options.preloadTextTracks !== false;
-      this.autoRemoteTextTracks_ = new ALL.text.ListClass();
-      this.initTrackListeners();
-
-      // Turn on component tap events only if not using native controls
-      if (!options.nativeControlsForTouch) {
-        this.emitTapEvents();
-      }
-      if (this.constructor) {
-        this.name_ = this.constructor.name || 'Unknown Tech';
-      }
-    }
-
-    /**
-     * A special function to trigger source set in a way that will allow player
-     * to re-trigger if the player or tech are not ready yet.
-     *
-     * @fires Tech#sourceset
-     * @param {string} src The source string at the time of the source changing.
-     */
-    triggerSourceset(src) {
-      if (!this.isReady_) {
-        // on initial ready we have to trigger source set
-        // 1ms after ready so that player can watch for it.
-        this.one('ready', () => this.setTimeout(() => this.triggerSourceset(src), 1));
-      }
-
-      /**
-       * Fired when the source is set on the tech causing the media element
-       * to reload.
-       *
-       * @see {@link Player#event:sourceset}
-       * @event Tech#sourceset
-       * @type {Event}
-       */
-      this.trigger({
-        src,
-        type: 'sourceset'
-      });
-    }
-
-    /* Fallbacks for unsupported event types
-    ================================================================================ */
-
-    /**
-     * Polyfill the `progress` event for browsers that don't support it natively.
-     *
-     * @see {@link Tech#trackProgress}
-     */
-    manualProgressOn() {
-      this.on('durationchange', this.onDurationChange_);
-      this.manualProgress = true;
-
-      // Trigger progress watching when a source begins loading
-      this.one('ready', this.trackProgress_);
-    }
-
-    /**
-     * Turn off the polyfill for `progress` events that was created in
-     * {@link Tech#manualProgressOn}
-     */
-    manualProgressOff() {
-      this.manualProgress = false;
-      this.stopTrackingProgress();
-      this.off('durationchange', this.onDurationChange_);
-    }
-
-    /**
-     * This is used to trigger a `progress` event when the buffered percent changes. It
-     * sets an interval function that will be called every 500 milliseconds to check if the
-     * buffer end percent has changed.
-     *
-     * > This function is called by {@link Tech#manualProgressOn}
-     *
-     * @param {Event} event
-     *        The `ready` event that caused this to run.
-     *
-     * @listens Tech#ready
-     * @fires Tech#progress
-     */
-    trackProgress(event) {
-      this.stopTrackingProgress();
-      this.progressInterval = this.setInterval(bind_(this, function () {
-        // Don't trigger unless buffered amount is greater than last time
-
-        const numBufferedPercent = this.bufferedPercent();
-        if (this.bufferedPercent_ !== numBufferedPercent) {
-          /**
-           * See {@link Player#progress}
-           *
-           * @event Tech#progress
-           * @type {Event}
-           */
-          this.trigger('progress');
-        }
-        this.bufferedPercent_ = numBufferedPercent;
-        if (numBufferedPercent === 1) {
-          this.stopTrackingProgress();
-        }
-      }), 500);
-    }
-
-    /**
-     * Update our internal duration on a `durationchange` event by calling
-     * {@link Tech#duration}.
-     *
-     * @param {Event} event
-     *        The `durationchange` event that caused this to run.
-     *
-     * @listens Tech#durationchange
-     */
-    onDurationChange(event) {
-      this.duration_ = this.duration();
-    }
-
-    /**
-     * Get and create a `TimeRange` object for buffering.
-     *
-     * @return { import('../utils/time').TimeRange }
-     *         The time range object that was created.
-     */
-    buffered() {
-      return createTimeRanges(0, 0);
-    }
-
-    /**
-     * Get the percentage of the current video that is currently buffered.
-     *
-     * @return {number}
-     *         A number from 0 to 1 that represents the decimal percentage of the
-     *         video that is buffered.
-     *
-     */
-    bufferedPercent() {
-      return bufferedPercent(this.buffered(), this.duration_);
-    }
-
-    /**
-     * Turn off the polyfill for `progress` events that was created in
-     * {@link Tech#manualProgressOn}
-     * Stop manually tracking progress events by clearing the interval that was set in
-     * {@link Tech#trackProgress}.
-     */
-    stopTrackingProgress() {
-      this.clearInterval(this.progressInterval);
-    }
-
-    /**
-     * Polyfill the `timeupdate` event for browsers that don't support it.
-     *
-     * @see {@link Tech#trackCurrentTime}
-     */
-    manualTimeUpdatesOn() {
-      this.manualTimeUpdates = true;
-      this.on('play', this.trackCurrentTime_);
-      this.on('pause', this.stopTrackingCurrentTime_);
-    }
-
-    /**
-     * Turn off the polyfill for `timeupdate` events that was created in
-     * {@link Tech#manualTimeUpdatesOn}
-     */
-    manualTimeUpdatesOff() {
-      this.manualTimeUpdates = false;
-      this.stopTrackingCurrentTime();
-      this.off('play', this.trackCurrentTime_);
-      this.off('pause', this.stopTrackingCurrentTime_);
-    }
-
-    /**
-     * Sets up an interval function to track current time and trigger `timeupdate` every
-     * 250 milliseconds.
-     *
-     * @listens Tech#play
-     * @triggers Tech#timeupdate
-     */
-    trackCurrentTime() {
-      if (this.currentTimeInterval) {
-        this.stopTrackingCurrentTime();
-      }
-      this.currentTimeInterval = this.setInterval(function () {
-        /**
-         * Triggered at an interval of 250ms to indicated that time is passing in the video.
-         *
-         * @event Tech#timeupdate
-         * @type {Event}
-         */
-        this.trigger({
-          type: 'timeupdate',
-          target: this,
-          manuallyTriggered: true
-        });
-
-        // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
-      }, 250);
-    }
-
-    /**
-     * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
-     * `timeupdate` event is no longer triggered.
-     *
-     * @listens {Tech#pause}
-     */
-    stopTrackingCurrentTime() {
-      this.clearInterval(this.currentTimeInterval);
-
-      // #1002 - if the video ends right before the next timeupdate would happen,
-      // the progress bar won't make it all the way to the end
-      this.trigger({
-        type: 'timeupdate',
-        target: this,
-        manuallyTriggered: true
-      });
-    }
-
-    /**
-     * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
-     * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
-     *
-     * @fires Component#dispose
-     */
-    dispose() {
-      // clear out all tracks because we can't reuse them between techs
-      this.clearTracks(NORMAL.names);
-
-      // Turn off any manual progress or timeupdate tracking
-      if (this.manualProgress) {
-        this.manualProgressOff();
-      }
-      if (this.manualTimeUpdates) {
-        this.manualTimeUpdatesOff();
-      }
-      super.dispose();
-    }
-
-    /**
-     * Clear out a single `TrackList` or an array of `TrackLists` given their names.
-     *
-     * > Note: Techs without source handlers should call this between sources for `video`
-     *         & `audio` tracks. You don't want to use them between tracks!
-     *
-     * @param {string[]|string} types
-     *        TrackList names to clear, valid names are `video`, `audio`, and
-     *        `text`.
-     */
-    clearTracks(types) {
-      types = [].concat(types);
-      // clear out all tracks because we can't reuse them between techs
-      types.forEach(type => {
-        const list = this[`${type}Tracks`]() || [];
-        let i = list.length;
-        while (i--) {
-          const track = list[i];
-          if (type === 'text') {
-            this.removeRemoteTextTrack(track);
-          }
-          list.removeTrack(track);
-        }
-      });
-    }
-
-    /**
-     * Remove any TextTracks added via addRemoteTextTrack that are
-     * flagged for automatic garbage collection
-     */
-    cleanupAutoTextTracks() {
-      const list = this.autoRemoteTextTracks_ || [];
-      let i = list.length;
-      while (i--) {
-        const track = list[i];
-        this.removeRemoteTextTrack(track);
-      }
-    }
-
-    /**
-     * Reset the tech, which will removes all sources and reset the internal readyState.
-     *
-     * @abstract
-     */
-    reset() {}
-
-    /**
-     * Get the value of `crossOrigin` from the tech.
-     *
-     * @abstract
-     *
-     * @see {Html5#crossOrigin}
-     */
-    crossOrigin() {}
-
-    /**
-     * Set the value of `crossOrigin` on the tech.
-     *
-     * @abstract
-     *
-     * @param {string} crossOrigin the crossOrigin value
-     * @see {Html5#setCrossOrigin}
-     */
-    setCrossOrigin() {}
-
-    /**
-     * Get or set an error on the Tech.
-     *
-     * @param {MediaError} [err]
-     *        Error to set on the Tech
-     *
-     * @return {MediaError|null}
-     *         The current error object on the tech, or null if there isn't one.
-     */
-    error(err) {
-      if (err !== undefined) {
-        this.error_ = new MediaError(err);
-        this.trigger('error');
-      }
-      return this.error_;
-    }
-
-    /**
-     * Returns the `TimeRange`s that have been played through for the current source.
-     *
-     * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
-     *         It only checks whether the source has played at all or not.
-     *
-     * @return { import('../utils/time').TimeRange }
-     *         - A single time range if this video has played
-     *         - An empty set of ranges if not.
-     */
-    played() {
-      if (this.hasStarted_) {
-        return createTimeRanges(0, 0);
-      }
-      return createTimeRanges();
-    }
-
-    /**
-     * Start playback
-     *
-     * @abstract
-     *
-     * @see {Html5#play}
-     */
-    play() {}
-
-    /**
-     * Set whether we are scrubbing or not
-     *
-     * @abstract
-     * @param {boolean} _isScrubbing
-     *                  - true for we are currently scrubbing
-     *                  - false for we are no longer scrubbing
-     *
-     * @see {Html5#setScrubbing}
-     */
-    setScrubbing(_isScrubbing) {}
-
-    /**
-     * Get whether we are scrubbing or not
-     *
-     * @abstract
-     *
-     * @see {Html5#scrubbing}
-     */
-    scrubbing() {}
-
-    /**
-     * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
-     * previously called.
-     *
-     * @param {number} _seconds
-     *        Set the current time of the media to this.
-     * @fires Tech#timeupdate
-     */
-    setCurrentTime(_seconds) {
-      // improve the accuracy of manual timeupdates
-      if (this.manualTimeUpdates) {
-        /**
-         * A manual `timeupdate` event.
-         *
-         * @event Tech#timeupdate
-         * @type {Event}
-         */
-        this.trigger({
-          type: 'timeupdate',
-          target: this,
-          manuallyTriggered: true
-        });
-      }
-    }
-
-    /**
-     * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
-     * {@link TextTrackList} events.
-     *
-     * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.
-     *
-     * @fires Tech#audiotrackchange
-     * @fires Tech#videotrackchange
-     * @fires Tech#texttrackchange
-     */
-    initTrackListeners() {
-      /**
-        * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
-        *
-        * @event Tech#audiotrackchange
-        * @type {Event}
-        */
-
-      /**
-        * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
-        *
-        * @event Tech#videotrackchange
-        * @type {Event}
-        */
-
-      /**
-        * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
-        *
-        * @event Tech#texttrackchange
-        * @type {Event}
-        */
-      NORMAL.names.forEach(name => {
-        const props = NORMAL[name];
-        const trackListChanges = () => {
-          this.trigger(`${name}trackchange`);
-        };
-        const tracks = this[props.getterName]();
-        tracks.addEventListener('removetrack', trackListChanges);
-        tracks.addEventListener('addtrack', trackListChanges);
-        this.on('dispose', () => {
-          tracks.removeEventListener('removetrack', trackListChanges);
-          tracks.removeEventListener('addtrack', trackListChanges);
-        });
-      });
-    }
-
-    /**
-     * Emulate TextTracks using vtt.js if necessary
-     *
-     * @fires Tech#vttjsloaded
-     * @fires Tech#vttjserror
-     */
-    addWebVttScript_() {
-      if (window.WebVTT) {
-        return;
-      }
-
-      // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
-      // signals that the Tech is ready at which point Tech.el_ is part of the DOM
-      // before inserting the WebVTT script
-      if (document.body.contains(this.el())) {
-        // load via require if available and vtt.js script location was not passed in
-        // as an option. novtt builds will turn the above require call into an empty object
-        // which will cause this if check to always fail.
-        if (!this.options_['vtt.js'] && isPlain(vtt) && Object.keys(vtt).length > 0) {
-          this.trigger('vttjsloaded');
-          return;
-        }
-
-        // load vtt.js via the script location option or the cdn of no location was
-        // passed in
-        const script = document.createElement('script');
-        script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';
-        script.onload = () => {
-          /**
-           * Fired when vtt.js is loaded.
-           *
-           * @event Tech#vttjsloaded
-           * @type {Event}
-           */
-          this.trigger('vttjsloaded');
-        };
-        script.onerror = () => {
-          /**
-           * Fired when vtt.js was not loaded due to an error
-           *
-           * @event Tech#vttjsloaded
-           * @type {Event}
-           */
-          this.trigger('vttjserror');
-        };
-        this.on('dispose', () => {
-          script.onload = null;
-          script.onerror = null;
-        });
-        // but have not loaded yet and we set it to true before the inject so that
-        // we don't overwrite the injected window.WebVTT if it loads right away
-        window.WebVTT = true;
-        this.el().parentNode.appendChild(script);
-      } else {
-        this.ready(this.addWebVttScript_);
-      }
-    }
-
-    /**
-     * Emulate texttracks
-     *
-     */
-    emulateTextTracks() {
-      const tracks = this.textTracks();
-      const remoteTracks = this.remoteTextTracks();
-      const handleAddTrack = e => tracks.addTrack(e.track);
-      const handleRemoveTrack = e => tracks.removeTrack(e.track);
-      remoteTracks.on('addtrack', handleAddTrack);
-      remoteTracks.on('removetrack', handleRemoveTrack);
-      this.addWebVttScript_();
-      const updateDisplay = () => this.trigger('texttrackchange');
-      const textTracksChanges = () => {
-        updateDisplay();
-        for (let i = 0; i < tracks.length; i++) {
-          const track = tracks[i];
-          track.removeEventListener('cuechange', updateDisplay);
-          if (track.mode === 'showing') {
-            track.addEventListener('cuechange', updateDisplay);
-          }
-        }
-      };
-      textTracksChanges();
-      tracks.addEventListener('change', textTracksChanges);
-      tracks.addEventListener('addtrack', textTracksChanges);
-      tracks.addEventListener('removetrack', textTracksChanges);
-      this.on('dispose', function () {
-        remoteTracks.off('addtrack', handleAddTrack);
-        remoteTracks.off('removetrack', handleRemoveTrack);
-        tracks.removeEventListener('change', textTracksChanges);
-        tracks.removeEventListener('addtrack', textTracksChanges);
-        tracks.removeEventListener('removetrack', textTracksChanges);
-        for (let i = 0; i < tracks.length; i++) {
-          const track = tracks[i];
-          track.removeEventListener('cuechange', updateDisplay);
-        }
-      });
-    }
-
-    /**
-     * Create and returns a remote {@link TextTrack} object.
-     *
-     * @param {string} kind
-     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
-     *
-     * @param {string} [label]
-     *        Label to identify the text track
-     *
-     * @param {string} [language]
-     *        Two letter language abbreviation
-     *
-     * @return {TextTrack}
-     *         The TextTrack that gets created.
-     */
-    addTextTrack(kind, label, language) {
-      if (!kind) {
-        throw new Error('TextTrack kind is required but was not provided');
-      }
-      return createTrackHelper(this, kind, label, language);
-    }
-
-    /**
-     * Create an emulated TextTrack for use by addRemoteTextTrack
-     *
-     * This is intended to be overridden by classes that inherit from
-     * Tech in order to create native or custom TextTracks.
-     *
-     * @param {Object} options
-     *        The object should contain the options to initialize the TextTrack with.
-     *
-     * @param {string} [options.kind]
-     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
-     *
-     * @param {string} [options.label].
-     *        Label to identify the text track
-     *
-     * @param {string} [options.language]
-     *        Two letter language abbreviation.
-     *
-     * @return {HTMLTrackElement}
-     *         The track element that gets created.
-     */
-    createRemoteTextTrack(options) {
-      const track = merge(options, {
-        tech: this
-      });
-      return new REMOTE.remoteTextEl.TrackClass(track);
-    }
-
-    /**
-     * Creates a remote text track object and returns an html track element.
-     *
-     * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
-     *
-     * @param {Object} options
-     *        See {@link Tech#createRemoteTextTrack} for more detailed properties.
-     *
-     * @param {boolean} [manualCleanup=false]
-     *        - When false: the TextTrack will be automatically removed from the video
-     *          element whenever the source changes
-     *        - When True: The TextTrack will have to be cleaned up manually
-     *
-     * @return {HTMLTrackElement}
-     *         An Html Track Element.
-     *
-     */
-    addRemoteTextTrack(options = {}, manualCleanup) {
-      const htmlTrackElement = this.createRemoteTextTrack(options);
-      if (typeof manualCleanup !== 'boolean') {
-        manualCleanup = false;
-      }
-
-      // store HTMLTrackElement and TextTrack to remote list
-      this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
-      this.remoteTextTracks().addTrack(htmlTrackElement.track);
-      if (manualCleanup === false) {
-        // create the TextTrackList if it doesn't exist
-        this.ready(() => this.autoRemoteTextTracks_.addTrack(htmlTrackElement.track));
-      }
-      return htmlTrackElement;
-    }
-
-    /**
-     * Remove a remote text track from the remote `TextTrackList`.
-     *
-     * @param {TextTrack} track
-     *        `TextTrack` to remove from the `TextTrackList`
-     */
-    removeRemoteTextTrack(track) {
-      const trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);
-
-      // remove HTMLTrackElement and TextTrack from remote list
-      this.remoteTextTrackEls().removeTrackElement_(trackElement);
-      this.remoteTextTracks().removeTrack(track);
-      this.autoRemoteTextTracks_.removeTrack(track);
-    }
-
-    /**
-     * Gets available media playback quality metrics as specified by the W3C's Media
-     * Playback Quality API.
-     *
-     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
-     *
-     * @return {Object}
-     *         An object with supported media playback quality metrics
-     *
-     * @abstract
-     */
-    getVideoPlaybackQuality() {
-      return {};
-    }
-
-    /**
-     * Attempt to create a floating video window always on top of other windows
-     * so that users may continue consuming media while they interact with other
-     * content sites, or applications on their device.
-     *
-     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
-     *
-     * @return {Promise|undefined}
-     *         A promise with a Picture-in-Picture window if the browser supports
-     *         Promises (or one was passed in as an option). It returns undefined
-     *         otherwise.
-     *
-     * @abstract
-     */
-    requestPictureInPicture() {
-      return Promise.reject();
-    }
-
-    /**
-     * A method to check for the value of the 'disablePictureInPicture' <video> property.
-     * Defaults to true, as it should be considered disabled if the tech does not support pip
-     *
-     * @abstract
-     */
-    disablePictureInPicture() {
-      return true;
-    }
-
-    /**
-     * A method to set or unset the 'disablePictureInPicture' <video> property.
-     *
-     * @abstract
-     */
-    setDisablePictureInPicture() {}
-
-    /**
-     * A fallback implementation of requestVideoFrameCallback using requestAnimationFrame
-     *
-     * @param {function} cb
-     * @return {number} request id
-     */
-    requestVideoFrameCallback(cb) {
-      const id = newGUID();
-      if (!this.isReady_ || this.paused()) {
-        this.queuedHanders_.add(id);
-        this.one('playing', () => {
-          if (this.queuedHanders_.has(id)) {
-            this.queuedHanders_.delete(id);
-            cb();
-          }
-        });
-      } else {
-        this.requestNamedAnimationFrame(id, cb);
-      }
-      return id;
-    }
-
-    /**
-     * A fallback implementation of cancelVideoFrameCallback
-     *
-     * @param {number} id id of callback to be cancelled
-     */
-    cancelVideoFrameCallback(id) {
-      if (this.queuedHanders_.has(id)) {
-        this.queuedHanders_.delete(id);
-      } else {
-        this.cancelNamedAnimationFrame(id);
-      }
-    }
-
-    /**
-     * A method to set a poster from a `Tech`.
-     *
-     * @abstract
-     */
-    setPoster() {}
-
-    /**
-     * A method to check for the presence of the 'playsinline' <video> attribute.
-     *
-     * @abstract
-     */
-    playsinline() {}
-
-    /**
-     * A method to set or unset the 'playsinline' <video> attribute.
-     *
-     * @abstract
-     */
-    setPlaysinline() {}
-
-    /**
-     * Attempt to force override of native audio tracks.
-     *
-     * @param {boolean} override - If set to true native audio will be overridden,
-     * otherwise native audio will potentially be used.
-     *
-     * @abstract
-     */
-    overrideNativeAudioTracks(override) {}
-
-    /**
-     * Attempt to force override of native video tracks.
-     *
-     * @param {boolean} override - If set to true native video will be overridden,
-     * otherwise native video will potentially be used.
-     *
-     * @abstract
-     */
-    overrideNativeVideoTracks(override) {}
-
-    /**
-     * Check if the tech can support the given mime-type.
-     *
-     * The base tech does not support any type, but source handlers might
-     * overwrite this.
-     *
-     * @param  {string} _type
-     *         The mimetype to check for support
-     *
-     * @return {string}
-     *         'probably', 'maybe', or empty string
-     *
-     * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
-     *
-     * @abstract
-     */
-    canPlayType(_type) {
-      return '';
-    }
-
-    /**
-     * Check if the type is supported by this tech.
-     *
-     * The base tech does not support any type, but source handlers might
-     * overwrite this.
-     *
-     * @param {string} _type
-     *        The media type to check
-     * @return {string} Returns the native video element's response
-     */
-    static canPlayType(_type) {
-      return '';
-    }
-
-    /**
-     * Check if the tech can support the given source
-     *
-     * @param {Object} srcObj
-     *        The source object
-     * @param {Object} options
-     *        The options passed to the tech
-     * @return {string} 'probably', 'maybe', or '' (empty string)
-     */
-    static canPlaySource(srcObj, options) {
-      return Tech.canPlayType(srcObj.type);
-    }
-
-    /*
-     * Return whether the argument is a Tech or not.
-     * Can be passed either a Class like `Html5` or a instance like `player.tech_`
-     *
-     * @param {Object} component
-     *        The item to check
-     *
-     * @return {boolean}
-     *         Whether it is a tech or not
-     *         - True if it is a tech
-     *         - False if it is not
-     */
-    static isTech(component) {
-      return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
-    }
-
-    /**
-     * Registers a `Tech` into a shared list for videojs.
-     *
-     * @param {string} name
-     *        Name of the `Tech` to register.
-     *
-     * @param {Object} tech
-     *        The `Tech` class to register.
-     */
-    static registerTech(name, tech) {
-      if (!Tech.techs_) {
-        Tech.techs_ = {};
-      }
-      if (!Tech.isTech(tech)) {
-        throw new Error(`Tech ${name} must be a Tech`);
-      }
-      if (!Tech.canPlayType) {
-        throw new Error('Techs must have a static canPlayType method on them');
-      }
-      if (!Tech.canPlaySource) {
-        throw new Error('Techs must have a static canPlaySource method on them');
-      }
-      name = toTitleCase(name);
-      Tech.techs_[name] = tech;
-      Tech.techs_[toLowerCase(name)] = tech;
-      if (name !== 'Tech') {
-        // camel case the techName for use in techOrder
-        Tech.defaultTechOrder_.push(name);
-      }
-      return tech;
-    }
-
-    /**
-     * Get a `Tech` from the shared list by name.
-     *
-     * @param {string} name
-     *        `camelCase` or `TitleCase` name of the Tech to get
-     *
-     * @return {Tech|undefined}
-     *         The `Tech` or undefined if there was no tech with the name requested.
-     */
-    static getTech(name) {
-      if (!name) {
-        return;
-      }
-      if (Tech.techs_ && Tech.techs_[name]) {
-        return Tech.techs_[name];
-      }
-      name = toTitleCase(name);
-      if (window && window.videojs && window.videojs[name]) {
-        log.warn(`The ${name} tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)`);
-        return window.videojs[name];
-      }
-    }
-  }
-
-  /**
-   * Get the {@link VideoTrackList}
-   *
-   * @returns {VideoTrackList}
-   * @method Tech.prototype.videoTracks
-   */
-
-  /**
-   * Get the {@link AudioTrackList}
-   *
-   * @returns {AudioTrackList}
-   * @method Tech.prototype.audioTracks
-   */
-
-  /**
-   * Get the {@link TextTrackList}
-   *
-   * @returns {TextTrackList}
-   * @method Tech.prototype.textTracks
-   */
-
-  /**
-   * Get the remote element {@link TextTrackList}
-   *
-   * @returns {TextTrackList}
-   * @method Tech.prototype.remoteTextTracks
-   */
-
-  /**
-   * Get the remote element {@link HtmlTrackElementList}
-   *
-   * @returns {HtmlTrackElementList}
-   * @method Tech.prototype.remoteTextTrackEls
-   */
-
-  ALL.names.forEach(function (name) {
-    const props = ALL[name];
-    Tech.prototype[props.getterName] = function () {
-      this[props.privateName] = this[props.privateName] || new props.ListClass();
-      return this[props.privateName];
-    };
-  });
-
-  /**
-   * List of associated text tracks
-   *
-   * @type {TextTrackList}
-   * @private
-   * @property Tech#textTracks_
-   */
-
-  /**
-   * List of associated audio tracks.
-   *
-   * @type {AudioTrackList}
-   * @private
-   * @property Tech#audioTracks_
-   */
-
-  /**
-   * List of associated video tracks.
-   *
-   * @type {VideoTrackList}
-   * @private
-   * @property Tech#videoTracks_
-   */
-
-  /**
-   * Boolean indicating whether the `Tech` supports volume control.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresVolumeControl = true;
-
-  /**
-   * Boolean indicating whether the `Tech` supports muting volume.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresMuteControl = true;
-
-  /**
-   * Boolean indicating whether the `Tech` supports fullscreen resize control.
-   * Resizing plugins using request fullscreen reloads the plugin
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresFullscreenResize = false;
-
-  /**
-   * Boolean indicating whether the `Tech` supports changing the speed at which the video
-   * plays. Examples:
-   *   - Set player to play 2x (twice) as fast
-   *   - Set player to play 0.5x (half) as fast
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresPlaybackRate = false;
-
-  /**
-   * Boolean indicating whether the `Tech` supports the `progress` event.
-   * This will be used to determine if {@link Tech#manualProgressOn} should be called.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresProgressEvents = false;
-
-  /**
-   * Boolean indicating whether the `Tech` supports the `sourceset` event.
-   *
-   * A tech should set this to `true` and then use {@link Tech#triggerSourceset}
-   * to trigger a {@link Tech#event:sourceset} at the earliest time after getting
-   * a new source.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresSourceset = false;
-
-  /**
-   * Boolean indicating whether the `Tech` supports the `timeupdate` event.
-   * This will be used to determine if {@link Tech#manualTimeUpdates} should be called.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresTimeupdateEvents = false;
-
-  /**
-   * Boolean indicating whether the `Tech` supports the native `TextTrack`s.
-   * This will help us integrate with native `TextTrack`s if the browser supports them.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresNativeTextTracks = false;
-
-  /**
-   * Boolean indicating whether the `Tech` supports `requestVideoFrameCallback`.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Tech.prototype.featuresVideoFrameCallback = false;
-
-  /**
-   * A functional mixin for techs that want to use the Source Handler pattern.
-   * Source handlers are scripts for handling specific formats.
-   * The source handler pattern is used for adaptive formats (HLS, DASH) that
-   * manually load video data and feed it into a Source Buffer (Media Source Extensions)
-   * Example: `Tech.withSourceHandlers.call(MyTech);`
-   *
-   * @param {Tech} _Tech
-   *        The tech to add source handler functions to.
-   *
-   * @mixes Tech~SourceHandlerAdditions
-   */
-  Tech.withSourceHandlers = function (_Tech) {
-    /**
-     * Register a source handler
-     *
-     * @param {Function} handler
-     *        The source handler class
-     *
-     * @param {number} [index]
-     *        Register it at the following index
-     */
-    _Tech.registerSourceHandler = function (handler, index) {
-      let handlers = _Tech.sourceHandlers;
-      if (!handlers) {
-        handlers = _Tech.sourceHandlers = [];
-      }
-      if (index === undefined) {
-        // add to the end of the list
-        index = handlers.length;
-      }
-      handlers.splice(index, 0, handler);
-    };
-
-    /**
-     * Check if the tech can support the given type. Also checks the
-     * Techs sourceHandlers.
-     *
-     * @param {string} type
-     *         The mimetype to check.
-     *
-     * @return {string}
-     *         'probably', 'maybe', or '' (empty string)
-     */
-    _Tech.canPlayType = function (type) {
-      const handlers = _Tech.sourceHandlers || [];
-      let can;
-      for (let i = 0; i < handlers.length; i++) {
-        can = handlers[i].canPlayType(type);
-        if (can) {
-          return can;
-        }
-      }
-      return '';
-    };
-
-    /**
-     * Returns the first source handler that supports the source.
-     *
-     * TODO: Answer question: should 'probably' be prioritized over 'maybe'
-     *
-     * @param {SourceObject} source
-     *        The source object
-     *
-     * @param {Object} options
-     *        The options passed to the tech
-     *
-     * @return {SourceHandler|null}
-     *          The first source handler that supports the source or null if
-     *          no SourceHandler supports the source
-     */
-    _Tech.selectSourceHandler = function (source, options) {
-      const handlers = _Tech.sourceHandlers || [];
-      let can;
-      for (let i = 0; i < handlers.length; i++) {
-        can = handlers[i].canHandleSource(source, options);
-        if (can) {
-          return handlers[i];
-        }
-      }
-      return null;
-    };
-
-    /**
-     * Check if the tech can support the given source.
-     *
-     * @param {SourceObject} srcObj
-     *        The source object
-     *
-     * @param {Object} options
-     *        The options passed to the tech
-     *
-     * @return {string}
-     *         'probably', 'maybe', or '' (empty string)
-     */
-    _Tech.canPlaySource = function (srcObj, options) {
-      const sh = _Tech.selectSourceHandler(srcObj, options);
-      if (sh) {
-        return sh.canHandleSource(srcObj, options);
-      }
-      return '';
-    };
-
-    /**
-     * When using a source handler, prefer its implementation of
-     * any function normally provided by the tech.
-     */
-    const deferrable = ['seekable', 'seeking', 'duration'];
-
-    /**
-     * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
-     * function if it exists, with a fallback to the Techs seekable function.
-     *
-     * @method _Tech.seekable
-     */
-
-    /**
-     * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
-     * function if it exists, otherwise it will fallback to the techs duration function.
-     *
-     * @method _Tech.duration
-     */
-
-    deferrable.forEach(function (fnName) {
-      const originalFn = this[fnName];
-      if (typeof originalFn !== 'function') {
-        return;
-      }
-      this[fnName] = function () {
-        if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
-          return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
-        }
-        return originalFn.apply(this, arguments);
-      };
-    }, _Tech.prototype);
-
-    /**
-     * Create a function for setting the source using a source object
-     * and source handlers.
-     * Should never be called unless a source handler was found.
-     *
-     * @param {SourceObject} source
-     *        A source object with src and type keys
-     */
-    _Tech.prototype.setSource = function (source) {
-      let sh = _Tech.selectSourceHandler(source, this.options_);
-      if (!sh) {
-        // Fall back to a native source handler when unsupported sources are
-        // deliberately set
-        if (_Tech.nativeSourceHandler) {
-          sh = _Tech.nativeSourceHandler;
-        } else {
-          log.error('No source handler found for the current source.');
-        }
-      }
-
-      // Dispose any existing source handler
-      this.disposeSourceHandler();
-      this.off('dispose', this.disposeSourceHandler_);
-      if (sh !== _Tech.nativeSourceHandler) {
-        this.currentSource_ = source;
-      }
-      this.sourceHandler_ = sh.handleSource(source, this, this.options_);
-      this.one('dispose', this.disposeSourceHandler_);
-    };
-
-    /**
-     * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
-     *
-     * @listens Tech#dispose
-     */
-    _Tech.prototype.disposeSourceHandler = function () {
-      // if we have a source and get another one
-      // then we are loading something new
-      // than clear all of our current tracks
-      if (this.currentSource_) {
-        this.clearTracks(['audio', 'video']);
-        this.currentSource_ = null;
-      }
-
-      // always clean up auto-text tracks
-      this.cleanupAutoTextTracks();
-      if (this.sourceHandler_) {
-        if (this.sourceHandler_.dispose) {
-          this.sourceHandler_.dispose();
-        }
-        this.sourceHandler_ = null;
-      }
-    };
-  };
-
-  // The base Tech class needs to be registered as a Component. It is the only
-  // Tech that can be registered as a Component.
-  Component.registerComponent('Tech', Tech);
-  Tech.registerTech('Tech', Tech);
-
-  /**
-   * A list of techs that should be added to techOrder on Players
-   *
-   * @private
-   */
-  Tech.defaultTechOrder_ = [];
-
-  /**
-   * @file middleware.js
-   * @module middleware
-   */
-  const middlewares = {};
-  const middlewareInstances = {};
-  const TERMINATOR = {};
-
-  /**
-   * A middleware object is a plain JavaScript object that has methods that
-   * match the {@link Tech} methods found in the lists of allowed
-   * {@link module:middleware.allowedGetters|getters},
-   * {@link module:middleware.allowedSetters|setters}, and
-   * {@link module:middleware.allowedMediators|mediators}.
-   *
-   * @typedef {Object} MiddlewareObject
-   */
-
-  /**
-   * A middleware factory function that should return a
-   * {@link module:middleware~MiddlewareObject|MiddlewareObject}.
-   *
-   * This factory will be called for each player when needed, with the player
-   * passed in as an argument.
-   *
-   * @callback MiddlewareFactory
-   * @param { import('../player').default } player
-   *        A Video.js player.
-   */
-
-  /**
-   * Define a middleware that the player should use by way of a factory function
-   * that returns a middleware object.
-   *
-   * @param  {string} type
-   *         The MIME type to match or `"*"` for all MIME types.
-   *
-   * @param  {MiddlewareFactory} middleware
-   *         A middleware factory function that will be executed for
-   *         matching types.
-   */
-  function use(type, middleware) {
-    middlewares[type] = middlewares[type] || [];
-    middlewares[type].push(middleware);
-  }
-
-  /**
-   * Asynchronously sets a source using middleware by recursing through any
-   * matching middlewares and calling `setSource` on each, passing along the
-   * previous returned value each time.
-   *
-   * @param  { import('../player').default } player
-   *         A {@link Player} instance.
-   *
-   * @param  {Tech~SourceObject} src
-   *         A source object.
-   *
-   * @param  {Function}
-   *         The next middleware to run.
-   */
-  function setSource(player, src, next) {
-    player.setTimeout(() => setSourceHelper(src, middlewares[src.type], next, player), 1);
-  }
-
-  /**
-   * When the tech is set, passes the tech to each middleware's `setTech` method.
-   *
-   * @param {Object[]} middleware
-   *        An array of middleware instances.
-   *
-   * @param { import('../tech/tech').default } tech
-   *        A Video.js tech.
-   */
-  function setTech(middleware, tech) {
-    middleware.forEach(mw => mw.setTech && mw.setTech(tech));
-  }
-
-  /**
-   * Calls a getter on the tech first, through each middleware
-   * from right to left to the player.
-   *
-   * @param  {Object[]} middleware
-   *         An array of middleware instances.
-   *
-   * @param  { import('../tech/tech').default } tech
-   *         The current tech.
-   *
-   * @param  {string} method
-   *         A method name.
-   *
-   * @return {*}
-   *         The final value from the tech after middleware has intercepted it.
-   */
-  function get(middleware, tech, method) {
-    return middleware.reduceRight(middlewareIterator(method), tech[method]());
-  }
-
-  /**
-   * Takes the argument given to the player and calls the setter method on each
-   * middleware from left to right to the tech.
-   *
-   * @param  {Object[]} middleware
-   *         An array of middleware instances.
-   *
-   * @param  { import('../tech/tech').default } tech
-   *         The current tech.
-   *
-   * @param  {string} method
-   *         A method name.
-   *
-   * @param  {*} arg
-   *         The value to set on the tech.
-   *
-   * @return {*}
-   *         The return value of the `method` of the `tech`.
-   */
-  function set(middleware, tech, method, arg) {
-    return tech[method](middleware.reduce(middlewareIterator(method), arg));
-  }
-
-  /**
-   * Takes the argument given to the player and calls the `call` version of the
-   * method on each middleware from left to right.
-   *
-   * Then, call the passed in method on the tech and return the result unchanged
-   * back to the player, through middleware, this time from right to left.
-   *
-   * @param  {Object[]} middleware
-   *         An array of middleware instances.
-   *
-   * @param  { import('../tech/tech').default } tech
-   *         The current tech.
-   *
-   * @param  {string} method
-   *         A method name.
-   *
-   * @param  {*} arg
-   *         The value to set on the tech.
-   *
-   * @return {*}
-   *         The return value of the `method` of the `tech`, regardless of the
-   *         return values of middlewares.
-   */
-  function mediate(middleware, tech, method, arg = null) {
-    const callMethod = 'call' + toTitleCase(method);
-    const middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);
-    const terminated = middlewareValue === TERMINATOR;
-    // deprecated. The `null` return value should instead return TERMINATOR to
-    // prevent confusion if a techs method actually returns null.
-    const returnValue = terminated ? null : tech[method](middlewareValue);
-    executeRight(middleware, method, returnValue, terminated);
-    return returnValue;
-  }
-
-  /**
-   * Enumeration of allowed getters where the keys are method names.
-   *
-   * @type {Object}
-   */
-  const allowedGetters = {
-    buffered: 1,
-    currentTime: 1,
-    duration: 1,
-    muted: 1,
-    played: 1,
-    paused: 1,
-    seekable: 1,
-    volume: 1,
-    ended: 1
-  };
-
-  /**
-   * Enumeration of allowed setters where the keys are method names.
-   *
-   * @type {Object}
-   */
-  const allowedSetters = {
-    setCurrentTime: 1,
-    setMuted: 1,
-    setVolume: 1
-  };
-
-  /**
-   * Enumeration of allowed mediators where the keys are method names.
-   *
-   * @type {Object}
-   */
-  const allowedMediators = {
-    play: 1,
-    pause: 1
-  };
-  function middlewareIterator(method) {
-    return (value, mw) => {
-      // if the previous middleware terminated, pass along the termination
-      if (value === TERMINATOR) {
-        return TERMINATOR;
-      }
-      if (mw[method]) {
-        return mw[method](value);
-      }
-      return value;
-    };
-  }
-  function executeRight(mws, method, value, terminated) {
-    for (let i = mws.length - 1; i >= 0; i--) {
-      const mw = mws[i];
-      if (mw[method]) {
-        mw[method](terminated, value);
-      }
-    }
-  }
-
-  /**
-   * Clear the middleware cache for a player.
-   *
-   * @param  { import('../player').default } player
-   *         A {@link Player} instance.
-   */
-  function clearCacheForPlayer(player) {
-    middlewareInstances[player.id()] = null;
-  }
-
-  /**
-   * {
-   *  [playerId]: [[mwFactory, mwInstance], ...]
-   * }
-   *
-   * @private
-   */
-  function getOrCreateFactory(player, mwFactory) {
-    const mws = middlewareInstances[player.id()];
-    let mw = null;
-    if (mws === undefined || mws === null) {
-      mw = mwFactory(player);
-      middlewareInstances[player.id()] = [[mwFactory, mw]];
-      return mw;
-    }
-    for (let i = 0; i < mws.length; i++) {
-      const [mwf, mwi] = mws[i];
-      if (mwf !== mwFactory) {
-        continue;
-      }
-      mw = mwi;
-    }
-    if (mw === null) {
-      mw = mwFactory(player);
-      mws.push([mwFactory, mw]);
-    }
-    return mw;
-  }
-  function setSourceHelper(src = {}, middleware = [], next, player, acc = [], lastRun = false) {
-    const [mwFactory, ...mwrest] = middleware;
-
-    // if mwFactory is a string, then we're at a fork in the road
-    if (typeof mwFactory === 'string') {
-      setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);
-
-      // if we have an mwFactory, call it with the player to get the mw,
-      // then call the mw's setSource method
-    } else if (mwFactory) {
-      const mw = getOrCreateFactory(player, mwFactory);
-
-      // if setSource isn't present, implicitly select this middleware
-      if (!mw.setSource) {
-        acc.push(mw);
-        return setSourceHelper(src, mwrest, next, player, acc, lastRun);
-      }
-      mw.setSource(Object.assign({}, src), function (err, _src) {
-        // something happened, try the next middleware on the current level
-        // make sure to use the old src
-        if (err) {
-          return setSourceHelper(src, mwrest, next, player, acc, lastRun);
-        }
-
-        // we've succeeded, now we need to go deeper
-        acc.push(mw);
-
-        // if it's the same type, continue down the current chain
-        // otherwise, we want to go down the new chain
-        setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
-      });
-    } else if (mwrest.length) {
-      setSourceHelper(src, mwrest, next, player, acc, lastRun);
-    } else if (lastRun) {
-      next(src, acc);
-    } else {
-      setSourceHelper(src, middlewares['*'], next, player, acc, true);
-    }
-  }
-
-  /**
-   * Mimetypes
-   *
-   * @see https://www.iana.org/assignments/media-types/media-types.xhtml
-   * @typedef Mimetypes~Kind
-   * @enum
-   */
-  const MimetypesKind = {
-    opus: 'video/ogg',
-    ogv: 'video/ogg',
-    mp4: 'video/mp4',
-    mov: 'video/mp4',
-    m4v: 'video/mp4',
-    mkv: 'video/x-matroska',
-    m4a: 'audio/mp4',
-    mp3: 'audio/mpeg',
-    aac: 'audio/aac',
-    caf: 'audio/x-caf',
-    flac: 'audio/flac',
-    oga: 'audio/ogg',
-    wav: 'audio/wav',
-    m3u8: 'application/x-mpegURL',
-    mpd: 'application/dash+xml',
-    jpg: 'image/jpeg',
-    jpeg: 'image/jpeg',
-    gif: 'image/gif',
-    png: 'image/png',
-    svg: 'image/svg+xml',
-    webp: 'image/webp'
-  };
-
-  /**
-   * Get the mimetype of a given src url if possible
-   *
-   * @param {string} src
-   *        The url to the src
-   *
-   * @return {string}
-   *         return the mimetype if it was known or empty string otherwise
-   */
-  const getMimetype = function (src = '') {
-    const ext = getFileExtension(src);
-    const mimetype = MimetypesKind[ext.toLowerCase()];
-    return mimetype || '';
-  };
-
-  /**
-   * Find the mime type of a given source string if possible. Uses the player
-   * source cache.
-   *
-   * @param { import('../player').default } player
-   *        The player object
-   *
-   * @param {string} src
-   *        The source string
-   *
-   * @return {string}
-   *         The type that was found
-   */
-  const findMimetype = (player, src) => {
-    if (!src) {
-      return '';
-    }
-
-    // 1. check for the type in the `source` cache
-    if (player.cache_.source.src === src && player.cache_.source.type) {
-      return player.cache_.source.type;
-    }
-
-    // 2. see if we have this source in our `currentSources` cache
-    const matchingSources = player.cache_.sources.filter(s => s.src === src);
-    if (matchingSources.length) {
-      return matchingSources[0].type;
-    }
-
-    // 3. look for the src url in source elements and use the type there
-    const sources = player.$$('source');
-    for (let i = 0; i < sources.length; i++) {
-      const s = sources[i];
-      if (s.type && s.src && s.src === src) {
-        return s.type;
-      }
-    }
-
-    // 4. finally fallback to our list of mime types based on src url extension
-    return getMimetype(src);
-  };
-
-  /**
-   * @module filter-source
-   */
-
-  /**
-   * Filter out single bad source objects or multiple source objects in an
-   * array. Also flattens nested source object arrays into a 1 dimensional
-   * array of source objects.
-   *
-   * @param {Tech~SourceObject|Tech~SourceObject[]} src
-   *        The src object to filter
-   *
-   * @return {Tech~SourceObject[]}
-   *         An array of sourceobjects containing only valid sources
-   *
-   * @private
-   */
-  const filterSource = function (src) {
-    // traverse array
-    if (Array.isArray(src)) {
-      let newsrc = [];
-      src.forEach(function (srcobj) {
-        srcobj = filterSource(srcobj);
-        if (Array.isArray(srcobj)) {
-          newsrc = newsrc.concat(srcobj);
-        } else if (isObject(srcobj)) {
-          newsrc.push(srcobj);
-        }
-      });
-      src = newsrc;
-    } else if (typeof src === 'string' && src.trim()) {
-      // convert string into object
-      src = [fixSource({
-        src
-      })];
-    } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
-      // src is already valid
-      src = [fixSource(src)];
-    } else {
-      // invalid source, turn it into an empty array
-      src = [];
-    }
-    return src;
-  };
-
-  /**
-   * Checks src mimetype, adding it when possible
-   *
-   * @param {Tech~SourceObject} src
-   *        The src object to check
-   * @return {Tech~SourceObject}
-   *        src Object with known type
-   */
-  function fixSource(src) {
-    if (!src.type) {
-      const mimetype = getMimetype(src.src);
-      if (mimetype) {
-        src.type = mimetype;
-      }
-    }
-    return src;
-  }
-
-  var icons = "<svg xmlns=\"http://www.w3.org/2000/svg\">\n  <defs>\n    <symbol viewBox=\"0 0 48 48\" id=\"vjs-icon-play\">\n      <path d=\"M16 10v28l22-14z\"></path>\n    </symbol>\n    <symbol viewBox=\"0 0 48 48\" id=\"vjs-icon-pause\">\n      <path d=\"M12 38h8V10h-8v28zm16-28v28h8V10h-8z\"></path>\n    </symbol>\n    <symbol viewBox=\"0 0 48 48\" id=\"vjs-icon-audio\">\n      <path d=\"M24 2C14.06 2 6 10.06 6 20v14c0 3.31 2.69 6 6 6h6V24h-8v-4c0-7.73 6.27-14 14-14s14 6.27 14 14v4h-8v16h6c3.31 0 6-2.69 6-6V20c0-9.94-8.06-18-18-18z\"></path>\n    </symbol>\n    <symbol viewBox=\"0 0 48 48\" id=\"vjs-icon-captions\">\n      <path d=\"M38 8H10c-2.21 0-4 1.79-4 4v24c0 2.21 1.79 4 4 4h28c2.21 0 4-1.79 4-4V12c0-2.21-1.79-4-4-4zM22 22h-3v-1h-4v6h4v-1h3v2a2 2 0 0 1-2 2h-6a2 2 0 0 1-2-2v-8a2 2 0 0 1 2-2h6a2 2 0 0 1 2 2v2zm14 0h-3v-1h-4v6h4v-1h3v2a2 2 0 0 1-2 2h-6a2 2 0 0 1-2-2v-8a2 2 0 0 1 2-2h6a2 2 0 0 1 2 2v2z\"></path>\n    </symbol>\n    <symbol viewBox=\"0 0 48 48\" 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-
-  /**
-   * @file loader.js
-   */
-
-  /**
-   * The `MediaLoader` is the `Component` that decides which playback technology to load
-   * when a player is initialized.
-   *
-   * @extends Component
-   */
-  class MediaLoader extends Component {
-    /**
-     * Create an instance of this class.
-     *
-     * @param { import('../player').default } player
-     *        The `Player` that this class should attach to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function that is run when this component is ready.
-     */
-    constructor(player, options, ready) {
-      // MediaLoader has no element
-      const options_ = merge({
-        createEl: false
-      }, options);
-      super(player, options_, ready);
-
-      // If there are no sources when the player is initialized,
-      // load the first supported playback technology.
-
-      if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
-        for (let i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
-          const techName = toTitleCase(j[i]);
-          let tech = Tech.getTech(techName);
-
-          // Support old behavior of techs being registered as components.
-          // Remove once that deprecated behavior is removed.
-          if (!techName) {
-            tech = Component.getComponent(techName);
-          }
-
-          // Check if the browser supports this technology
-          if (tech && tech.isSupported()) {
-            player.loadTech_(techName);
-            break;
-          }
-        }
-      } else {
-        // Loop through playback technologies (e.g. HTML5) and check for support.
-        // Then load the best source.
-        // A few assumptions here:
-        //   All playback technologies respect preload false.
-        player.src(options.playerOptions.sources);
-      }
-    }
-  }
-  Component.registerComponent('MediaLoader', MediaLoader);
-
-  /**
-   * @file clickable-component.js
-   */
-
-  /**
-   * Component which is clickable or keyboard actionable, but is not a
-   * native HTML button.
-   *
-   * @extends Component
-   */
-  class ClickableComponent extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param  { import('./player').default } player
-     *         The `Player` that this class should be attached to.
-     *
-     * @param  {Object} [options]
-     *         The key/value store of component options.
-     *
-     * @param  {function} [options.clickHandler]
-     *         The function to call when the button is clicked / activated
-     *
-     * @param  {string} [options.controlText]
-     *         The text to set on the button
-     *
-     * @param  {string} [options.className]
-     *         A class or space separated list of classes to add the component
-     *
-     */
-    constructor(player, options) {
-      super(player, options);
-      if (this.options_.controlText) {
-        this.controlText(this.options_.controlText);
-      }
-      this.handleMouseOver_ = e => this.handleMouseOver(e);
-      this.handleMouseOut_ = e => this.handleMouseOut(e);
-      this.handleClick_ = e => this.handleClick(e);
-      this.handleKeyDown_ = e => this.handleKeyDown(e);
-      this.emitTapEvents();
-      this.enable();
-    }
-
-    /**
-     * Create the `ClickableComponent`s DOM element.
-     *
-     * @param {string} [tag=div]
-     *        The element's node type.
-     *
-     * @param {Object} [props={}]
-     *        An object of properties that should be set on the element.
-     *
-     * @param {Object} [attributes={}]
-     *        An object of attributes that should be set on the element.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl(tag = 'div', props = {}, attributes = {}) {
-      props = Object.assign({
-        className: this.buildCSSClass(),
-        tabIndex: 0
-      }, props);
-      if (tag === 'button') {
-        log.error(`Creating a ClickableComponent with an HTML element of ${tag} is not supported; use a Button instead.`);
-      }
-
-      // Add ARIA attributes for clickable element which is not a native HTML button
-      attributes = Object.assign({
-        role: 'button'
-      }, attributes);
-      this.tabIndex_ = props.tabIndex;
-      const el = createEl(tag, props, attributes);
-      if (!this.player_.options_.experimentalSvgIcons) {
-        el.appendChild(createEl('span', {
-          className: 'vjs-icon-placeholder'
-        }, {
-          'aria-hidden': true
-        }));
-      }
-      this.createControlTextEl(el);
-      return el;
-    }
-    dispose() {
-      // remove controlTextEl_ on dispose
-      this.controlTextEl_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Create a control text element on this `ClickableComponent`
-     *
-     * @param {Element} [el]
-     *        Parent element for the control text.
-     *
-     * @return {Element}
-     *         The control text element that gets created.
-     */
-    createControlTextEl(el) {
-      this.controlTextEl_ = createEl('span', {
-        className: 'vjs-control-text'
-      }, {
-        // let the screen reader user know that the text of the element may change
-        'aria-live': 'polite'
-      });
-      if (el) {
-        el.appendChild(this.controlTextEl_);
-      }
-      this.controlText(this.controlText_, el);
-      return this.controlTextEl_;
-    }
-
-    /**
-     * Get or set the localize text to use for the controls on the `ClickableComponent`.
-     *
-     * @param {string} [text]
-     *        Control text for element.
-     *
-     * @param {Element} [el=this.el()]
-     *        Element to set the title on.
-     *
-     * @return {string}
-     *         - The control text when getting
-     */
-    controlText(text, el = this.el()) {
-      if (text === undefined) {
-        return this.controlText_ || 'Need Text';
-      }
-      const localizedText = this.localize(text);
-
-      /** @protected */
-      this.controlText_ = text;
-      textContent(this.controlTextEl_, localizedText);
-      if (!this.nonIconControl && !this.player_.options_.noUITitleAttributes) {
-        // Set title attribute if only an icon is shown
-        el.setAttribute('title', localizedText);
-      }
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-control vjs-button ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Enable this `ClickableComponent`
-     */
-    enable() {
-      if (!this.enabled_) {
-        this.enabled_ = true;
-        this.removeClass('vjs-disabled');
-        this.el_.setAttribute('aria-disabled', 'false');
-        if (typeof this.tabIndex_ !== 'undefined') {
-          this.el_.setAttribute('tabIndex', this.tabIndex_);
-        }
-        this.on(['tap', 'click'], this.handleClick_);
-        this.on('keydown', this.handleKeyDown_);
-      }
-    }
-
-    /**
-     * Disable this `ClickableComponent`
-     */
-    disable() {
-      this.enabled_ = false;
-      this.addClass('vjs-disabled');
-      this.el_.setAttribute('aria-disabled', 'true');
-      if (typeof this.tabIndex_ !== 'undefined') {
-        this.el_.removeAttribute('tabIndex');
-      }
-      this.off('mouseover', this.handleMouseOver_);
-      this.off('mouseout', this.handleMouseOut_);
-      this.off(['tap', 'click'], this.handleClick_);
-      this.off('keydown', this.handleKeyDown_);
-    }
-
-    /**
-     * Handles language change in ClickableComponent for the player in components
-     *
-     *
-     */
-    handleLanguagechange() {
-      this.controlText(this.controlText_);
-    }
-
-    /**
-     * Event handler that is called when a `ClickableComponent` receives a
-     * `click` or `tap` event.
-     *
-     * @param {Event} event
-     *        The `tap` or `click` event that caused this function to be called.
-     *
-     * @listens tap
-     * @listens click
-     * @abstract
-     */
-    handleClick(event) {
-      if (this.options_.clickHandler) {
-        this.options_.clickHandler.call(this, arguments);
-      }
-    }
-
-    /**
-     * Event handler that is called when a `ClickableComponent` receives a
-     * `keydown` event.
-     *
-     * By default, if the key is Space or Enter, it will trigger a `click` event.
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Support Space or Enter key operation to fire a click event. Also,
-      // prevent the event from propagating through the DOM and triggering
-      // Player hotkeys.
-      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.trigger('click');
-      } else {
-        // Pass keypress handling up for unsupported keys
-        super.handleKeyDown(event);
-      }
-    }
-  }
-  Component.registerComponent('ClickableComponent', ClickableComponent);
-
-  /**
-   * @file poster-image.js
-   */
-
-  /**
-   * A `ClickableComponent` that handles showing the poster image for the player.
-   *
-   * @extends ClickableComponent
-   */
-  class PosterImage extends ClickableComponent {
-    /**
-     * Create an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should attach to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.update();
-      this.update_ = e => this.update(e);
-      player.on('posterchange', this.update_);
-    }
-
-    /**
-     * Clean up and dispose of the `PosterImage`.
-     */
-    dispose() {
-      this.player().off('posterchange', this.update_);
-      super.dispose();
-    }
-
-    /**
-     * Create the `PosterImage`s DOM element.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl() {
-      // The el is an empty div to keep position in the DOM
-      // A picture and img el will be inserted when a source is set
-      return createEl('div', {
-        className: 'vjs-poster'
-      });
-    }
-
-    /**
-     * Get or set the `PosterImage`'s crossOrigin option.
-     *
-     * @param {string|null} [value]
-     *        The value to set the crossOrigin to. If an argument is
-     *        given, must be one of `'anonymous'` or `'use-credentials'`, or 'null'.
-     *
-     * @return {string|null}
-     *         - The current crossOrigin value of the `Player` when getting.
-     *         - undefined when setting
-     */
-    crossOrigin(value) {
-      // `null` can be set to unset a value
-      if (typeof value === 'undefined') {
-        if (this.$('img')) {
-          // If the poster's element exists, give its value
-          return this.$('img').crossOrigin;
-        } else if (this.player_.tech_ && this.player_.tech_.isReady_) {
-          // If not but the tech is ready, query the tech
-          return this.player_.crossOrigin();
-        }
-        // Otherwise check options as the  poster is usually set before the state of crossorigin
-        // can be retrieved by the getter
-        return this.player_.options_.crossOrigin || this.player_.options_.crossorigin || null;
-      }
-      if (value !== null && value !== 'anonymous' && value !== 'use-credentials') {
-        this.player_.log.warn(`crossOrigin must be null,  "anonymous" or "use-credentials", given "${value}"`);
-        return;
-      }
-      if (this.$('img')) {
-        this.$('img').crossOrigin = value;
-      }
-      return;
-    }
-
-    /**
-     * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
-     *
-     * @listens Player#posterchange
-     *
-     * @param {Event} [event]
-     *        The `Player#posterchange` event that triggered this function.
-     */
-    update(event) {
-      const url = this.player().poster();
-      this.setSrc(url);
-
-      // If there's no poster source we should display:none on this component
-      // so it's not still clickable or right-clickable
-      if (url) {
-        this.show();
-      } else {
-        this.hide();
-      }
-    }
-
-    /**
-     * Set the source of the `PosterImage` depending on the display method. (Re)creates
-     * the inner picture and img elementss when needed.
-     *
-     * @param {string} [url]
-     *        The URL to the source for the `PosterImage`. If not specified or falsy,
-     *        any source and ant inner picture/img are removed.
-     */
-    setSrc(url) {
-      if (!url) {
-        this.el_.textContent = '';
-        return;
-      }
-      if (!this.$('img')) {
-        this.el_.appendChild(createEl('picture', {
-          className: 'vjs-poster',
-          // Don't want poster to be tabbable.
-          tabIndex: -1
-        }, {}, createEl('img', {
-          loading: 'lazy',
-          crossOrigin: this.crossOrigin()
-        }, {
-          alt: ''
-        })));
-      }
-      this.$('img').src = url;
-    }
-
-    /**
-     * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
-     * {@link ClickableComponent#handleClick} for instances where this will be triggered.
-     *
-     * @listens tap
-     * @listens click
-     * @listens keydown
-     *
-     * @param {Event} event
-     +        The `click`, `tap` or `keydown` event that caused this function to be called.
-     */
-    handleClick(event) {
-      // We don't want a click to trigger playback when controls are disabled
-      if (!this.player_.controls()) {
-        return;
-      }
-      if (this.player_.tech(true)) {
-        this.player_.tech(true).focus();
-      }
-      if (this.player_.paused()) {
-        silencePromise(this.player_.play());
-      } else {
-        this.player_.pause();
-      }
-    }
-  }
-
-  /**
-   * Get or set the `PosterImage`'s crossorigin option. For the HTML5 player, this
-   * sets the `crossOrigin` property on the `<img>` tag to control the CORS
-   * behavior.
-   *
-   * @param {string|null} [value]
-   *        The value to set the `PosterImages`'s crossorigin to. If an argument is
-   *        given, must be one of `anonymous` or `use-credentials`.
-   *
-   * @return {string|null|undefined}
-   *         - The current crossorigin value of the `Player` when getting.
-   *         - undefined when setting
-   */
-  PosterImage.prototype.crossorigin = PosterImage.prototype.crossOrigin;
-  Component.registerComponent('PosterImage', PosterImage);
-
-  /**
-   * @file text-track-display.js
-   */
-  const darkGray = '#222';
-  const lightGray = '#ccc';
-  const fontMap = {
-    monospace: 'monospace',
-    sansSerif: 'sans-serif',
-    serif: 'serif',
-    monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
-    monospaceSerif: '"Courier New", monospace',
-    proportionalSansSerif: 'sans-serif',
-    proportionalSerif: 'serif',
-    casual: '"Comic Sans MS", Impact, fantasy',
-    script: '"Monotype Corsiva", cursive',
-    smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
-  };
-
-  /**
-   * Construct an rgba color from a given hex color code.
-   *
-   * @param {number} color
-   *        Hex number for color, like #f0e or #f604e2.
-   *
-   * @param {number} opacity
-   *        Value for opacity, 0.0 - 1.0.
-   *
-   * @return {string}
-   *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
-   */
-  function constructColor(color, opacity) {
-    let hex;
-    if (color.length === 4) {
-      // color looks like "#f0e"
-      hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];
-    } else if (color.length === 7) {
-      // color looks like "#f604e2"
-      hex = color.slice(1);
-    } else {
-      throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');
-    }
-    return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';
-  }
-
-  /**
-   * Try to update the style of a DOM element. Some style changes will throw an error,
-   * particularly in IE8. Those should be noops.
-   *
-   * @param {Element} el
-   *        The DOM element to be styled.
-   *
-   * @param {string} style
-   *        The CSS property on the element that should be styled.
-   *
-   * @param {string} rule
-   *        The style rule that should be applied to the property.
-   *
-   * @private
-   */
-  function tryUpdateStyle(el, style, rule) {
-    try {
-      el.style[style] = rule;
-    } catch (e) {
-      // Satisfies linter.
-      return;
-    }
-  }
-
-  /**
-   * Converts the CSS top/right/bottom/left property numeric value to string in pixels.
-   *
-   * @param {number} position
-   *        The CSS top/right/bottom/left property value.
-   *
-   * @return {string}
-   *          The CSS property value that was created, like '10px'.
-   *
-   * @private
-   */
-  function getCSSPositionValue(position) {
-    return position ? `${position}px` : '';
-  }
-
-  /**
-   * The component for displaying text track cues.
-   *
-   * @extends Component
-   */
-  class TextTrackDisplay extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function to call when `TextTrackDisplay` is ready.
-     */
-    constructor(player, options, ready) {
-      super(player, options, ready);
-      const updateDisplayTextHandler = e => this.updateDisplay(e);
-      const updateDisplayHandler = e => {
-        this.updateDisplayOverlay();
-        this.updateDisplay(e);
-      };
-      player.on('loadstart', e => this.toggleDisplay(e));
-      player.on('texttrackchange', updateDisplayTextHandler);
-      player.on('loadedmetadata', e => {
-        this.updateDisplayOverlay();
-        this.preselectTrack(e);
-      });
-
-      // This used to be called during player init, but was causing an error
-      // if a track should show by default and the display hadn't loaded yet.
-      // Should probably be moved to an external track loader when we support
-      // tracks that don't need a display.
-      player.ready(bind_(this, function () {
-        if (player.tech_ && player.tech_.featuresNativeTextTracks) {
-          this.hide();
-          return;
-        }
-        player.on('fullscreenchange', updateDisplayHandler);
-        player.on('playerresize', updateDisplayHandler);
-        const screenOrientation = window.screen.orientation || window;
-        const changeOrientationEvent = window.screen.orientation ? 'change' : 'orientationchange';
-        screenOrientation.addEventListener(changeOrientationEvent, updateDisplayHandler);
-        player.on('dispose', () => screenOrientation.removeEventListener(changeOrientationEvent, updateDisplayHandler));
-        const tracks = this.options_.playerOptions.tracks || [];
-        for (let i = 0; i < tracks.length; i++) {
-          this.player_.addRemoteTextTrack(tracks[i], true);
-        }
-        this.preselectTrack();
-      }));
-    }
-
-    /**
-    * Preselect a track following this precedence:
-    * - matches the previously selected {@link TextTrack}'s language and kind
-    * - matches the previously selected {@link TextTrack}'s language only
-    * - is the first default captions track
-    * - is the first default descriptions track
-    *
-    * @listens Player#loadstart
-    */
-    preselectTrack() {
-      const modes = {
-        captions: 1,
-        subtitles: 1
-      };
-      const trackList = this.player_.textTracks();
-      const userPref = this.player_.cache_.selectedLanguage;
-      let firstDesc;
-      let firstCaptions;
-      let preferredTrack;
-      for (let i = 0; i < trackList.length; i++) {
-        const track = trackList[i];
-        if (userPref && userPref.enabled && userPref.language && userPref.language === track.language && track.kind in modes) {
-          // Always choose the track that matches both language and kind
-          if (track.kind === userPref.kind) {
-            preferredTrack = track;
-            // or choose the first track that matches language
-          } else if (!preferredTrack) {
-            preferredTrack = track;
-          }
-
-          // clear everything if offTextTrackMenuItem was clicked
-        } else if (userPref && !userPref.enabled) {
-          preferredTrack = null;
-          firstDesc = null;
-          firstCaptions = null;
-        } else if (track.default) {
-          if (track.kind === 'descriptions' && !firstDesc) {
-            firstDesc = track;
-          } else if (track.kind in modes && !firstCaptions) {
-            firstCaptions = track;
-          }
-        }
-      }
-
-      // The preferredTrack matches the user preference and takes
-      // precedence over all the other tracks.
-      // So, display the preferredTrack before the first default track
-      // and the subtitles/captions track before the descriptions track
-      if (preferredTrack) {
-        preferredTrack.mode = 'showing';
-      } else if (firstCaptions) {
-        firstCaptions.mode = 'showing';
-      } else if (firstDesc) {
-        firstDesc.mode = 'showing';
-      }
-    }
-
-    /**
-     * Turn display of {@link TextTrack}'s from the current state into the other state.
-     * There are only two states:
-     * - 'shown'
-     * - 'hidden'
-     *
-     * @listens Player#loadstart
-     */
-    toggleDisplay() {
-      if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
-        this.hide();
-      } else {
-        this.show();
-      }
-    }
-
-    /**
-     * Create the {@link Component}'s DOM element.
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-text-track-display'
-      }, {
-        'translate': 'yes',
-        'aria-live': 'off',
-        'aria-atomic': 'true'
-      });
-    }
-
-    /**
-     * Clear all displayed {@link TextTrack}s.
-     */
-    clearDisplay() {
-      if (typeof window.WebVTT === 'function') {
-        window.WebVTT.processCues(window, [], this.el_);
-      }
-    }
-
-    /**
-     * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
-     * a {@link Player#fullscreenchange} is fired.
-     *
-     * @listens Player#texttrackchange
-     * @listens Player#fullscreenchange
-     */
-    updateDisplay() {
-      const tracks = this.player_.textTracks();
-      const allowMultipleShowingTracks = this.options_.allowMultipleShowingTracks;
-      this.clearDisplay();
-      if (allowMultipleShowingTracks) {
-        const showingTracks = [];
-        for (let i = 0; i < tracks.length; ++i) {
-          const track = tracks[i];
-          if (track.mode !== 'showing') {
-            continue;
-          }
-          showingTracks.push(track);
-        }
-        this.updateForTrack(showingTracks);
-        return;
-      }
-
-      //  Track display prioritization model: if multiple tracks are 'showing',
-      //  display the first 'subtitles' or 'captions' track which is 'showing',
-      //  otherwise display the first 'descriptions' track which is 'showing'
-
-      let descriptionsTrack = null;
-      let captionsSubtitlesTrack = null;
-      let i = tracks.length;
-      while (i--) {
-        const track = tracks[i];
-        if (track.mode === 'showing') {
-          if (track.kind === 'descriptions') {
-            descriptionsTrack = track;
-          } else {
-            captionsSubtitlesTrack = track;
-          }
-        }
-      }
-      if (captionsSubtitlesTrack) {
-        if (this.getAttribute('aria-live') !== 'off') {
-          this.setAttribute('aria-live', 'off');
-        }
-        this.updateForTrack(captionsSubtitlesTrack);
-      } else if (descriptionsTrack) {
-        if (this.getAttribute('aria-live') !== 'assertive') {
-          this.setAttribute('aria-live', 'assertive');
-        }
-        this.updateForTrack(descriptionsTrack);
-      }
-    }
-
-    /**
-     * Updates the displayed TextTrack to be sure it overlays the video when a either
-     * a {@link Player#texttrackchange} or a {@link Player#fullscreenchange} is fired.
-     */
-    updateDisplayOverlay() {
-      // inset-inline and inset-block are not supprted on old chrome, but these are
-      // only likely to be used on TV devices
-      if (!this.player_.videoHeight() || !window.CSS.supports('inset-inline: 10px')) {
-        return;
-      }
-      const playerWidth = this.player_.currentWidth();
-      const playerHeight = this.player_.currentHeight();
-      const playerAspectRatio = playerWidth / playerHeight;
-      const videoAspectRatio = this.player_.videoWidth() / this.player_.videoHeight();
-      let insetInlineMatch = 0;
-      let insetBlockMatch = 0;
-      if (Math.abs(playerAspectRatio - videoAspectRatio) > 0.1) {
-        if (playerAspectRatio > videoAspectRatio) {
-          insetInlineMatch = Math.round((playerWidth - playerHeight * videoAspectRatio) / 2);
-        } else {
-          insetBlockMatch = Math.round((playerHeight - playerWidth / videoAspectRatio) / 2);
-        }
-      }
-      tryUpdateStyle(this.el_, 'insetInline', getCSSPositionValue(insetInlineMatch));
-      tryUpdateStyle(this.el_, 'insetBlock', getCSSPositionValue(insetBlockMatch));
-    }
-
-    /**
-     * Style {@Link TextTrack} activeCues according to {@Link TextTrackSettings}.
-     *
-     * @param {TextTrack} track
-     *        Text track object containing active cues to style.
-     */
-    updateDisplayState(track) {
-      const overrides = this.player_.textTrackSettings.getValues();
-      const cues = track.activeCues;
-      let i = cues.length;
-      while (i--) {
-        const cue = cues[i];
-        if (!cue) {
-          continue;
-        }
-        const cueDiv = cue.displayState;
-        if (overrides.color) {
-          cueDiv.firstChild.style.color = overrides.color;
-        }
-        if (overrides.textOpacity) {
-          tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
-        }
-        if (overrides.backgroundColor) {
-          cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
-        }
-        if (overrides.backgroundOpacity) {
-          tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
-        }
-        if (overrides.windowColor) {
-          if (overrides.windowOpacity) {
-            tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
-          } else {
-            cueDiv.style.backgroundColor = overrides.windowColor;
-          }
-        }
-        if (overrides.edgeStyle) {
-          if (overrides.edgeStyle === 'dropshadow') {
-            cueDiv.firstChild.style.textShadow = `2px 2px 3px ${darkGray}, 2px 2px 4px ${darkGray}, 2px 2px 5px ${darkGray}`;
-          } else if (overrides.edgeStyle === 'raised') {
-            cueDiv.firstChild.style.textShadow = `1px 1px ${darkGray}, 2px 2px ${darkGray}, 3px 3px ${darkGray}`;
-          } else if (overrides.edgeStyle === 'depressed') {
-            cueDiv.firstChild.style.textShadow = `1px 1px ${lightGray}, 0 1px ${lightGray}, -1px -1px ${darkGray}, 0 -1px ${darkGray}`;
-          } else if (overrides.edgeStyle === 'uniform') {
-            cueDiv.firstChild.style.textShadow = `0 0 4px ${darkGray}, 0 0 4px ${darkGray}, 0 0 4px ${darkGray}, 0 0 4px ${darkGray}`;
-          }
-        }
-        if (overrides.fontPercent && overrides.fontPercent !== 1) {
-          const fontSize = window.parseFloat(cueDiv.style.fontSize);
-          cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
-          cueDiv.style.height = 'auto';
-          cueDiv.style.top = 'auto';
-        }
-        if (overrides.fontFamily && overrides.fontFamily !== 'default') {
-          if (overrides.fontFamily === 'small-caps') {
-            cueDiv.firstChild.style.fontVariant = 'small-caps';
-          } else {
-            cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
-          }
-        }
-      }
-    }
-
-    /**
-     * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.
-     *
-     * @param {TextTrack|TextTrack[]} tracks
-     *        Text track object or text track array to be added to the list.
-     */
-    updateForTrack(tracks) {
-      if (!Array.isArray(tracks)) {
-        tracks = [tracks];
-      }
-      if (typeof window.WebVTT !== 'function' || tracks.every(track => {
-        return !track.activeCues;
-      })) {
-        return;
-      }
-      const cues = [];
-
-      // push all active track cues
-      for (let i = 0; i < tracks.length; ++i) {
-        const track = tracks[i];
-        for (let j = 0; j < track.activeCues.length; ++j) {
-          cues.push(track.activeCues[j]);
-        }
-      }
-
-      // removes all cues before it processes new ones
-      window.WebVTT.processCues(window, cues, this.el_);
-
-      // add unique class to each language text track & add settings styling if necessary
-      for (let i = 0; i < tracks.length; ++i) {
-        const track = tracks[i];
-        for (let j = 0; j < track.activeCues.length; ++j) {
-          const cueEl = track.activeCues[j].displayState;
-          addClass(cueEl, 'vjs-text-track-cue', 'vjs-text-track-cue-' + (track.language ? track.language : i));
-          if (track.language) {
-            setAttribute(cueEl, 'lang', track.language);
-          }
-        }
-        if (this.player_.textTrackSettings) {
-          this.updateDisplayState(track);
-        }
-      }
-    }
-  }
-  Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
-
-  /**
-   * @file loading-spinner.js
-   */
-
-  /**
-   * A loading spinner for use during waiting/loading events.
-   *
-   * @extends Component
-   */
-  class LoadingSpinner extends Component {
-    /**
-     * Create the `LoadingSpinner`s DOM element.
-     *
-     * @return {Element}
-     *         The dom element that gets created.
-     */
-    createEl() {
-      const isAudio = this.player_.isAudio();
-      const playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');
-      const controlText = createEl('span', {
-        className: 'vjs-control-text',
-        textContent: this.localize('{1} is loading.', [playerType])
-      });
-      const el = super.createEl('div', {
-        className: 'vjs-loading-spinner',
-        dir: 'ltr'
-      });
-      el.appendChild(controlText);
-      return el;
-    }
-
-    /**
-     * Update control text on languagechange
-     */
-    handleLanguagechange() {
-      this.$('.vjs-control-text').textContent = this.localize('{1} is loading.', [this.player_.isAudio() ? 'Audio Player' : 'Video Player']);
-    }
-  }
-  Component.registerComponent('LoadingSpinner', LoadingSpinner);
-
-  /**
-   * @file button.js
-   */
-
-  /**
-   * Base class for all buttons.
-   *
-   * @extends ClickableComponent
-   */
-  class Button extends ClickableComponent {
-    /**
-     * Create the `Button`s DOM element.
-     *
-     * @param {string} [tag="button"]
-     *        The element's node type. This argument is IGNORED: no matter what
-     *        is passed, it will always create a `button` element.
-     *
-     * @param {Object} [props={}]
-     *        An object of properties that should be set on the element.
-     *
-     * @param {Object} [attributes={}]
-     *        An object of attributes that should be set on the element.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl(tag, props = {}, attributes = {}) {
-      tag = 'button';
-      props = Object.assign({
-        className: this.buildCSSClass()
-      }, props);
-
-      // Add attributes for button element
-      attributes = Object.assign({
-        // Necessary since the default button type is "submit"
-        type: 'button'
-      }, attributes);
-      const el = createEl(tag, props, attributes);
-      if (!this.player_.options_.experimentalSvgIcons) {
-        el.appendChild(createEl('span', {
-          className: 'vjs-icon-placeholder'
-        }, {
-          'aria-hidden': true
-        }));
-      }
-      this.createControlTextEl(el);
-      return el;
-    }
-
-    /**
-     * Add a child `Component` inside of this `Button`.
-     *
-     * @param {string|Component} child
-     *        The name or instance of a child to add.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of options that will get passed to children of
-     *        the child.
-     *
-     * @return {Component}
-     *         The `Component` that gets added as a child. When using a string the
-     *         `Component` will get created by this process.
-     *
-     * @deprecated since version 5
-     */
-    addChild(child, options = {}) {
-      const className = this.constructor.name;
-      log.warn(`Adding an actionable (user controllable) child to a Button (${className}) is not supported; use a ClickableComponent instead.`);
-
-      // Avoid the error message generated by ClickableComponent's addChild method
-      return Component.prototype.addChild.call(this, child, options);
-    }
-
-    /**
-     * Enable the `Button` element so that it can be activated or clicked. Use this with
-     * {@link Button#disable}.
-     */
-    enable() {
-      super.enable();
-      this.el_.removeAttribute('disabled');
-    }
-
-    /**
-     * Disable the `Button` element so that it cannot be activated or clicked. Use this with
-     * {@link Button#enable}.
-     */
-    disable() {
-      super.disable();
-      this.el_.setAttribute('disabled', 'disabled');
-    }
-
-    /**
-     * This gets called when a `Button` has focus and `keydown` is triggered via a key
-     * press.
-     *
-     * @param {KeyboardEvent} event
-     *        The event that caused this function to get called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Ignore Space or Enter key operation, which is handled by the browser for
-      // a button - though not for its super class, ClickableComponent. Also,
-      // prevent the event from propagating through the DOM and triggering Player
-      // hotkeys. We do not preventDefault here because we _want_ the browser to
-      // handle it.
-      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {
-        event.stopPropagation();
-        return;
-      }
-
-      // Pass keypress handling up for unsupported keys
-      super.handleKeyDown(event);
-    }
-  }
-  Component.registerComponent('Button', Button);
-
-  /**
-   * @file big-play-button.js
-   */
-
-  /**
-   * The initial play button that shows before the video has played. The hiding of the
-   * `BigPlayButton` get done via CSS and `Player` states.
-   *
-   * @extends Button
-   */
-  class BigPlayButton extends Button {
-    constructor(player, options) {
-      super(player, options);
-      this.mouseused_ = false;
-      this.setIcon('play');
-      this.on('mousedown', e => this.handleMouseDown(e));
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.
-     */
-    buildCSSClass() {
-      return 'vjs-big-play-button';
-    }
-
-    /**
-     * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
-     * for more detailed information on what a click can be.
-     *
-     * @param {KeyboardEvent|MouseEvent|TouchEvent} event
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      const playPromise = this.player_.play();
-
-      // exit early if clicked via the mouse
-      if (this.mouseused_ && 'clientX' in event && 'clientY' in event) {
-        silencePromise(playPromise);
-        if (this.player_.tech(true)) {
-          this.player_.tech(true).focus();
-        }
-        return;
-      }
-      const cb = this.player_.getChild('controlBar');
-      const playToggle = cb && cb.getChild('playToggle');
-      if (!playToggle) {
-        this.player_.tech(true).focus();
-        return;
-      }
-      const playFocus = () => playToggle.focus();
-      if (isPromise(playPromise)) {
-        playPromise.then(playFocus, () => {});
-      } else {
-        this.setTimeout(playFocus, 1);
-      }
-    }
-
-    /**
-     * Event handler that is called when a `BigPlayButton` receives a
-     * `keydown` event.
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      this.mouseused_ = false;
-      super.handleKeyDown(event);
-    }
-
-    /**
-     * Handle `mousedown` events on the `BigPlayButton`.
-     *
-     * @param {MouseEvent} event
-     *        `mousedown` or `touchstart` event that triggered this function
-     *
-     * @listens mousedown
-     */
-    handleMouseDown(event) {
-      this.mouseused_ = true;
-    }
-  }
-
-  /**
-   * The text that should display over the `BigPlayButton`s controls. Added to for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  BigPlayButton.prototype.controlText_ = 'Play Video';
-  Component.registerComponent('BigPlayButton', BigPlayButton);
-
-  /**
-   * @file close-button.js
-   */
-
-  /**
-   * The `CloseButton` is a `{@link Button}` that fires a `close` event when
-   * it gets clicked.
-   *
-   * @extends Button
-   */
-  class CloseButton extends Button {
-    /**
-    * Creates an instance of the this class.
-    *
-    * @param  { import('./player').default } player
-    *         The `Player` that this class should be attached to.
-    *
-    * @param  {Object} [options]
-    *         The key/value store of player options.
-    */
-    constructor(player, options) {
-      super(player, options);
-      this.setIcon('cancel');
-      this.controlText(options && options.controlText || this.localize('Close'));
-    }
-
-    /**
-    * Builds the default DOM `className`.
-    *
-    * @return {string}
-    *         The DOM `className` for this object.
-    */
-    buildCSSClass() {
-      return `vjs-close-button ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * This gets called when a `CloseButton` gets clicked. See
-     * {@link ClickableComponent#handleClick} for more information on when
-     * this will be triggered
-     *
-     * @param {Event} event
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     * @fires CloseButton#close
-     */
-    handleClick(event) {
-      /**
-       * Triggered when the a `CloseButton` is clicked.
-       *
-       * @event CloseButton#close
-       * @type {Event}
-       *
-       * @property {boolean} [bubbles=false]
-       *           set to false so that the close event does not
-       *           bubble up to parents if there is no listener
-       */
-      this.trigger({
-        type: 'close',
-        bubbles: false
-      });
-    }
-    /**
-     * Event handler that is called when a `CloseButton` receives a
-     * `keydown` event.
-     *
-     * By default, if the key is Esc, it will trigger a `click` event.
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Esc button will trigger `click` event
-      if (keycode.isEventKey(event, 'Esc')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.trigger('click');
-      } else {
-        // Pass keypress handling up for unsupported keys
-        super.handleKeyDown(event);
-      }
-    }
-  }
-  Component.registerComponent('CloseButton', CloseButton);
-
-  /**
-   * @file play-toggle.js
-   */
-
-  /**
-   * Button to toggle between play and pause.
-   *
-   * @extends Button
-   */
-  class PlayToggle extends Button {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     */
-    constructor(player, options = {}) {
-      super(player, options);
-
-      // show or hide replay icon
-      options.replay = options.replay === undefined || options.replay;
-      this.setIcon('play');
-      this.on(player, 'play', e => this.handlePlay(e));
-      this.on(player, 'pause', e => this.handlePause(e));
-      if (options.replay) {
-        this.on(player, 'ended', e => this.handleEnded(e));
-      }
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-play-control ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * This gets called when an `PlayToggle` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      if (this.player_.paused()) {
-        silencePromise(this.player_.play());
-      } else {
-        this.player_.pause();
-      }
-    }
-
-    /**
-     * This gets called once after the video has ended and the user seeks so that
-     * we can change the replay button back to a play button.
-     *
-     * @param {Event} [event]
-     *        The event that caused this function to run.
-     *
-     * @listens Player#seeked
-     */
-    handleSeeked(event) {
-      this.removeClass('vjs-ended');
-      if (this.player_.paused()) {
-        this.handlePause(event);
-      } else {
-        this.handlePlay(event);
-      }
-    }
-
-    /**
-     * Add the vjs-playing class to the element so it can change appearance.
-     *
-     * @param {Event} [event]
-     *        The event that caused this function to run.
-     *
-     * @listens Player#play
-     */
-    handlePlay(event) {
-      this.removeClass('vjs-ended', 'vjs-paused');
-      this.addClass('vjs-playing');
-      // change the button text to "Pause"
-      this.setIcon('pause');
-      this.controlText('Pause');
-    }
-
-    /**
-     * Add the vjs-paused class to the element so it can change appearance.
-     *
-     * @param {Event} [event]
-     *        The event that caused this function to run.
-     *
-     * @listens Player#pause
-     */
-    handlePause(event) {
-      this.removeClass('vjs-playing');
-      this.addClass('vjs-paused');
-      // change the button text to "Play"
-      this.setIcon('play');
-      this.controlText('Play');
-    }
-
-    /**
-     * Add the vjs-ended class to the element so it can change appearance
-     *
-     * @param {Event} [event]
-     *        The event that caused this function to run.
-     *
-     * @listens Player#ended
-     */
-    handleEnded(event) {
-      this.removeClass('vjs-playing');
-      this.addClass('vjs-ended');
-      // change the button text to "Replay"
-      this.setIcon('replay');
-      this.controlText('Replay');
-
-      // on the next seek remove the replay button
-      this.one(this.player_, 'seeked', e => this.handleSeeked(e));
-    }
-  }
-
-  /**
-   * The text that should display over the `PlayToggle`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  PlayToggle.prototype.controlText_ = 'Play';
-  Component.registerComponent('PlayToggle', PlayToggle);
-
-  /**
-   * @file time-display.js
-   */
-
-  /**
-   * Displays time information about the video
-   *
-   * @extends Component
-   */
-  class TimeDisplay extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.on(player, ['timeupdate', 'ended', 'seeking'], e => this.update(e));
-      this.updateTextNode_();
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const className = this.buildCSSClass();
-      const el = super.createEl('div', {
-        className: `${className} vjs-time-control vjs-control`
-      });
-      const span = createEl('span', {
-        className: 'vjs-control-text',
-        textContent: `${this.localize(this.labelText_)}\u00a0`
-      }, {
-        role: 'presentation'
-      });
-      el.appendChild(span);
-      this.contentEl_ = createEl('span', {
-        className: `${className}-display`
-      }, {
-        // span elements have no implicit role, but some screen readers (notably VoiceOver)
-        // treat them as a break between items in the DOM when using arrow keys
-        // (or left-to-right swipes on iOS) to read contents of a page. Using
-        // role='presentation' causes VoiceOver to NOT treat this span as a break.
-        role: 'presentation'
-      });
-      el.appendChild(this.contentEl_);
-      return el;
-    }
-    dispose() {
-      this.contentEl_ = null;
-      this.textNode_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Updates the displayed time according to the `updateContent` function which is defined in the child class.
-     *
-     * @param {Event} [event]
-     *          The `timeupdate`, `ended` or `seeking` (if enableSmoothSeeking is true) event that caused this function to be called.
-     */
-    update(event) {
-      if (!this.player_.options_.enableSmoothSeeking && event.type === 'seeking') {
-        return;
-      }
-      this.updateContent(event);
-    }
-
-    /**
-     * Updates the time display text node with a new time
-     *
-     * @param {number} [time=0] the time to update to
-     *
-     * @private
-     */
-    updateTextNode_(time = 0) {
-      time = formatTime(time);
-      if (this.formattedTime_ === time) {
-        return;
-      }
-      this.formattedTime_ = time;
-      this.requestNamedAnimationFrame('TimeDisplay#updateTextNode_', () => {
-        if (!this.contentEl_) {
-          return;
-        }
-        let oldNode = this.textNode_;
-        if (oldNode && this.contentEl_.firstChild !== oldNode) {
-          oldNode = null;
-          log.warn('TimeDisplay#updateTextnode_: Prevented replacement of text node element since it was no longer a child of this node. Appending a new node instead.');
-        }
-        this.textNode_ = document.createTextNode(this.formattedTime_);
-        if (!this.textNode_) {
-          return;
-        }
-        if (oldNode) {
-          this.contentEl_.replaceChild(this.textNode_, oldNode);
-        } else {
-          this.contentEl_.appendChild(this.textNode_);
-        }
-      });
-    }
-
-    /**
-     * To be filled out in the child class, should update the displayed time
-     * in accordance with the fact that the current time has changed.
-     *
-     * @param {Event} [event]
-     *        The `timeupdate`  event that caused this to run.
-     *
-     * @listens Player#timeupdate
-     */
-    updateContent(event) {}
-  }
-
-  /**
-   * The text that is added to the `TimeDisplay` for screen reader users.
-   *
-   * @type {string}
-   * @private
-   */
-  TimeDisplay.prototype.labelText_ = 'Time';
-
-  /**
-   * The text that should display over the `TimeDisplay`s controls. Added to for localization.
-   *
-   * @type {string}
-   * @protected
-   *
-   * @deprecated in v7; controlText_ is not used in non-active display Components
-   */
-  TimeDisplay.prototype.controlText_ = 'Time';
-  Component.registerComponent('TimeDisplay', TimeDisplay);
-
-  /**
-   * @file current-time-display.js
-   */
-
-  /**
-   * Displays the current time
-   *
-   * @extends Component
-   */
-  class CurrentTimeDisplay extends TimeDisplay {
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return 'vjs-current-time';
-    }
-
-    /**
-     * Update current time display
-     *
-     * @param {Event} [event]
-     *        The `timeupdate` event that caused this function to run.
-     *
-     * @listens Player#timeupdate
-     */
-    updateContent(event) {
-      // Allows for smooth scrubbing, when player can't keep up.
-      let time;
-      if (this.player_.ended()) {
-        time = this.player_.duration();
-      } else {
-        time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
-      }
-      this.updateTextNode_(time);
-    }
-  }
-
-  /**
-   * The text that is added to the `CurrentTimeDisplay` for screen reader users.
-   *
-   * @type {string}
-   * @private
-   */
-  CurrentTimeDisplay.prototype.labelText_ = 'Current Time';
-
-  /**
-   * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
-   *
-   * @type {string}
-   * @protected
-   *
-   * @deprecated in v7; controlText_ is not used in non-active display Components
-   */
-  CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
-  Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
-
-  /**
-   * @file duration-display.js
-   */
-
-  /**
-   * Displays the duration
-   *
-   * @extends Component
-   */
-  class DurationDisplay extends TimeDisplay {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      const updateContent = e => this.updateContent(e);
-
-      // we do not want to/need to throttle duration changes,
-      // as they should always display the changed duration as
-      // it has changed
-      this.on(player, 'durationchange', updateContent);
-
-      // Listen to loadstart because the player duration is reset when a new media element is loaded,
-      // but the durationchange on the user agent will not fire.
-      // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}
-      this.on(player, 'loadstart', updateContent);
-
-      // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
-      // listeners could have broken dependent applications/libraries. These
-      // can likely be removed for 7.0.
-      this.on(player, 'loadedmetadata', updateContent);
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return 'vjs-duration';
-    }
-
-    /**
-     * Update duration time display.
-     *
-     * @param {Event} [event]
-     *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
-     *        this function to be called.
-     *
-     * @listens Player#durationchange
-     * @listens Player#timeupdate
-     * @listens Player#loadedmetadata
-     */
-    updateContent(event) {
-      const duration = this.player_.duration();
-      this.updateTextNode_(duration);
-    }
-  }
-
-  /**
-   * The text that is added to the `DurationDisplay` for screen reader users.
-   *
-   * @type {string}
-   * @private
-   */
-  DurationDisplay.prototype.labelText_ = 'Duration';
-
-  /**
-   * The text that should display over the `DurationDisplay`s controls. Added to for localization.
-   *
-   * @type {string}
-   * @protected
-   *
-   * @deprecated in v7; controlText_ is not used in non-active display Components
-   */
-  DurationDisplay.prototype.controlText_ = 'Duration';
-  Component.registerComponent('DurationDisplay', DurationDisplay);
-
-  /**
-   * @file time-divider.js
-   */
-
-  /**
-   * The separator between the current time and duration.
-   * Can be hidden if it's not needed in the design.
-   *
-   * @extends Component
-   */
-  class TimeDivider extends Component {
-    /**
-     * Create the component's DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl('div', {
-        className: 'vjs-time-control vjs-time-divider'
-      }, {
-        // this element and its contents can be hidden from assistive techs since
-        // it is made extraneous by the announcement of the control text
-        // for the current time and duration displays
-        'aria-hidden': true
-      });
-      const div = super.createEl('div');
-      const span = super.createEl('span', {
-        textContent: '/'
-      });
-      div.appendChild(span);
-      el.appendChild(div);
-      return el;
-    }
-  }
-  Component.registerComponent('TimeDivider', TimeDivider);
-
-  /**
-   * @file remaining-time-display.js
-   */
-
-  /**
-   * Displays the time left in the video
-   *
-   * @extends Component
-   */
-  class RemainingTimeDisplay extends TimeDisplay {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.on(player, 'durationchange', e => this.updateContent(e));
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return 'vjs-remaining-time';
-    }
-
-    /**
-     * Create the `Component`'s DOM element with the "minus" character prepend to the time
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl();
-      if (this.options_.displayNegative !== false) {
-        el.insertBefore(createEl('span', {}, {
-          'aria-hidden': true
-        }, '-'), this.contentEl_);
-      }
-      return el;
-    }
-
-    /**
-     * Update remaining time display.
-     *
-     * @param {Event} [event]
-     *        The `timeupdate` or `durationchange` event that caused this to run.
-     *
-     * @listens Player#timeupdate
-     * @listens Player#durationchange
-     */
-    updateContent(event) {
-      if (typeof this.player_.duration() !== 'number') {
-        return;
-      }
-      let time;
-
-      // @deprecated We should only use remainingTimeDisplay
-      // as of video.js 7
-      if (this.player_.ended()) {
-        time = 0;
-      } else if (this.player_.remainingTimeDisplay) {
-        time = this.player_.remainingTimeDisplay();
-      } else {
-        time = this.player_.remainingTime();
-      }
-      this.updateTextNode_(time);
-    }
-  }
-
-  /**
-   * The text that is added to the `RemainingTimeDisplay` for screen reader users.
-   *
-   * @type {string}
-   * @private
-   */
-  RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';
-
-  /**
-   * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
-   *
-   * @type {string}
-   * @protected
-   *
-   * @deprecated in v7; controlText_ is not used in non-active display Components
-   */
-  RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
-  Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
-
-  /**
-   * @file live-display.js
-   */
-
-  // TODO - Future make it click to snap to live
-
-  /**
-   * Displays the live indicator when duration is Infinity.
-   *
-   * @extends Component
-   */
-  class LiveDisplay extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.updateShowing();
-      this.on(this.player(), 'durationchange', e => this.updateShowing(e));
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl('div', {
-        className: 'vjs-live-control vjs-control'
-      });
-      this.contentEl_ = createEl('div', {
-        className: 'vjs-live-display'
-      }, {
-        'aria-live': 'off'
-      });
-      this.contentEl_.appendChild(createEl('span', {
-        className: 'vjs-control-text',
-        textContent: `${this.localize('Stream Type')}\u00a0`
-      }));
-      this.contentEl_.appendChild(document.createTextNode(this.localize('LIVE')));
-      el.appendChild(this.contentEl_);
-      return el;
-    }
-    dispose() {
-      this.contentEl_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
-     * it accordingly
-     *
-     * @param {Event} [event]
-     *        The {@link Player#durationchange} event that caused this function to run.
-     *
-     * @listens Player#durationchange
-     */
-    updateShowing(event) {
-      if (this.player().duration() === Infinity) {
-        this.show();
-      } else {
-        this.hide();
-      }
-    }
-  }
-  Component.registerComponent('LiveDisplay', LiveDisplay);
-
-  /**
-   * @file seek-to-live.js
-   */
-
-  /**
-   * Displays the live indicator when duration is Infinity.
-   *
-   * @extends Component
-   */
-  class SeekToLive extends Button {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.updateLiveEdgeStatus();
-      if (this.player_.liveTracker) {
-        this.updateLiveEdgeStatusHandler_ = e => this.updateLiveEdgeStatus(e);
-        this.on(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatusHandler_);
-      }
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl('button', {
-        className: 'vjs-seek-to-live-control vjs-control'
-      });
-      this.setIcon('circle', el);
-      this.textEl_ = createEl('span', {
-        className: 'vjs-seek-to-live-text',
-        textContent: this.localize('LIVE')
-      }, {
-        'aria-hidden': 'true'
-      });
-      el.appendChild(this.textEl_);
-      return el;
-    }
-
-    /**
-     * Update the state of this button if we are at the live edge
-     * or not
-     */
-    updateLiveEdgeStatus() {
-      // default to live edge
-      if (!this.player_.liveTracker || this.player_.liveTracker.atLiveEdge()) {
-        this.setAttribute('aria-disabled', true);
-        this.addClass('vjs-at-live-edge');
-        this.controlText('Seek to live, currently playing live');
-      } else {
-        this.setAttribute('aria-disabled', false);
-        this.removeClass('vjs-at-live-edge');
-        this.controlText('Seek to live, currently behind live');
-      }
-    }
-
-    /**
-     * On click bring us as near to the live point as possible.
-     * This requires that we wait for the next `live-seekable-change`
-     * event which will happen every segment length seconds.
-     */
-    handleClick() {
-      this.player_.liveTracker.seekToLiveEdge();
-    }
-
-    /**
-     * Dispose of the element and stop tracking
-     */
-    dispose() {
-      if (this.player_.liveTracker) {
-        this.off(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatusHandler_);
-      }
-      this.textEl_ = null;
-      super.dispose();
-    }
-  }
-  /**
-   * The text that should display over the `SeekToLive`s control. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  SeekToLive.prototype.controlText_ = 'Seek to live, currently playing live';
-  Component.registerComponent('SeekToLive', SeekToLive);
-
-  /**
-   * @file num.js
-   * @module num
-   */
-
-  /**
-   * Keep a number between a min and a max value
-   *
-   * @param {number} number
-   *        The number to clamp
-   *
-   * @param {number} min
-   *        The minimum value
-   * @param {number} max
-   *        The maximum value
-   *
-   * @return {number}
-   *         the clamped number
-   */
-  function clamp(number, min, max) {
-    number = Number(number);
-    return Math.min(max, Math.max(min, isNaN(number) ? min : number));
-  }
-
-  var Num = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    clamp: clamp
-  });
-
-  /**
-   * @file slider.js
-   */
-
-  /**
-   * The base functionality for a slider. Can be vertical or horizontal.
-   * For instance the volume bar or the seek bar on a video is a slider.
-   *
-   * @extends Component
-   */
-  class Slider extends Component {
-    /**
-    * Create an instance of this class
-    *
-    * @param { import('../player').default } player
-    *        The `Player` that this class should be attached to.
-    *
-    * @param {Object} [options]
-    *        The key/value store of player options.
-    */
-    constructor(player, options) {
-      super(player, options);
-      this.handleMouseDown_ = e => this.handleMouseDown(e);
-      this.handleMouseUp_ = e => this.handleMouseUp(e);
-      this.handleKeyDown_ = e => this.handleKeyDown(e);
-      this.handleClick_ = e => this.handleClick(e);
-      this.handleMouseMove_ = e => this.handleMouseMove(e);
-      this.update_ = e => this.update(e);
-
-      // Set property names to bar to match with the child Slider class is looking for
-      this.bar = this.getChild(this.options_.barName);
-
-      // Set a horizontal or vertical class on the slider depending on the slider type
-      this.vertical(!!this.options_.vertical);
-      this.enable();
-    }
-
-    /**
-     * Are controls are currently enabled for this slider or not.
-     *
-     * @return {boolean}
-     *         true if controls are enabled, false otherwise
-     */
-    enabled() {
-      return this.enabled_;
-    }
-
-    /**
-     * Enable controls for this slider if they are disabled
-     */
-    enable() {
-      if (this.enabled()) {
-        return;
-      }
-      this.on('mousedown', this.handleMouseDown_);
-      this.on('touchstart', this.handleMouseDown_);
-      this.on('keydown', this.handleKeyDown_);
-      this.on('click', this.handleClick_);
-
-      // TODO: deprecated, controlsvisible does not seem to be fired
-      this.on(this.player_, 'controlsvisible', this.update);
-      if (this.playerEvent) {
-        this.on(this.player_, this.playerEvent, this.update);
-      }
-      this.removeClass('disabled');
-      this.setAttribute('tabindex', 0);
-      this.enabled_ = true;
-    }
-
-    /**
-     * Disable controls for this slider if they are enabled
-     */
-    disable() {
-      if (!this.enabled()) {
-        return;
-      }
-      const doc = this.bar.el_.ownerDocument;
-      this.off('mousedown', this.handleMouseDown_);
-      this.off('touchstart', this.handleMouseDown_);
-      this.off('keydown', this.handleKeyDown_);
-      this.off('click', this.handleClick_);
-      this.off(this.player_, 'controlsvisible', this.update_);
-      this.off(doc, 'mousemove', this.handleMouseMove_);
-      this.off(doc, 'mouseup', this.handleMouseUp_);
-      this.off(doc, 'touchmove', this.handleMouseMove_);
-      this.off(doc, 'touchend', this.handleMouseUp_);
-      this.removeAttribute('tabindex');
-      this.addClass('disabled');
-      if (this.playerEvent) {
-        this.off(this.player_, this.playerEvent, this.update);
-      }
-      this.enabled_ = false;
-    }
-
-    /**
-     * Create the `Slider`s DOM element.
-     *
-     * @param {string} type
-     *        Type of element to create.
-     *
-     * @param {Object} [props={}]
-     *        List of properties in Object form.
-     *
-     * @param {Object} [attributes={}]
-     *        list of attributes in Object form.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl(type, props = {}, attributes = {}) {
-      // Add the slider element class to all sub classes
-      props.className = props.className + ' vjs-slider';
-      props = Object.assign({
-        tabIndex: 0
-      }, props);
-      attributes = Object.assign({
-        'role': 'slider',
-        'aria-valuenow': 0,
-        'aria-valuemin': 0,
-        'aria-valuemax': 100
-      }, attributes);
-      return super.createEl(type, props, attributes);
-    }
-
-    /**
-     * Handle `mousedown` or `touchstart` events on the `Slider`.
-     *
-     * @param {MouseEvent} event
-     *        `mousedown` or `touchstart` event that triggered this function
-     *
-     * @listens mousedown
-     * @listens touchstart
-     * @fires Slider#slideractive
-     */
-    handleMouseDown(event) {
-      const doc = this.bar.el_.ownerDocument;
-      if (event.type === 'mousedown') {
-        event.preventDefault();
-      }
-      // Do not call preventDefault() on touchstart in Chrome
-      // to avoid console warnings. Use a 'touch-action: none' style
-      // instead to prevent unintended scrolling.
-      // https://developers.google.com/web/updates/2017/01/scrolling-intervention
-      if (event.type === 'touchstart' && !IS_CHROME) {
-        event.preventDefault();
-      }
-      blockTextSelection();
-      this.addClass('vjs-sliding');
-      /**
-       * Triggered when the slider is in an active state
-       *
-       * @event Slider#slideractive
-       * @type {MouseEvent}
-       */
-      this.trigger('slideractive');
-      this.on(doc, 'mousemove', this.handleMouseMove_);
-      this.on(doc, 'mouseup', this.handleMouseUp_);
-      this.on(doc, 'touchmove', this.handleMouseMove_);
-      this.on(doc, 'touchend', this.handleMouseUp_);
-      this.handleMouseMove(event, true);
-    }
-
-    /**
-     * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
-     * The `mousemove` and `touchmove` events will only only trigger this function during
-     * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
-     * {@link Slider#handleMouseUp}.
-     *
-     * @param {MouseEvent} event
-     *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
-     *        this function
-     * @param {boolean} mouseDown this is a flag that should be set to true if `handleMouseMove` is called directly. It allows us to skip things that should not happen if coming from mouse down but should happen on regular mouse move handler. Defaults to false.
-     *
-     * @listens mousemove
-     * @listens touchmove
-     */
-    handleMouseMove(event) {}
-
-    /**
-     * Handle `mouseup` or `touchend` events on the `Slider`.
-     *
-     * @param {MouseEvent} event
-     *        `mouseup` or `touchend` event that triggered this function.
-     *
-     * @listens touchend
-     * @listens mouseup
-     * @fires Slider#sliderinactive
-     */
-    handleMouseUp(event) {
-      const doc = this.bar.el_.ownerDocument;
-      unblockTextSelection();
-      this.removeClass('vjs-sliding');
-      /**
-       * Triggered when the slider is no longer in an active state.
-       *
-       * @event Slider#sliderinactive
-       * @type {Event}
-       */
-      this.trigger('sliderinactive');
-      this.off(doc, 'mousemove', this.handleMouseMove_);
-      this.off(doc, 'mouseup', this.handleMouseUp_);
-      this.off(doc, 'touchmove', this.handleMouseMove_);
-      this.off(doc, 'touchend', this.handleMouseUp_);
-      this.update();
-    }
-
-    /**
-     * Update the progress bar of the `Slider`.
-     *
-     * @return {number}
-     *          The percentage of progress the progress bar represents as a
-     *          number from 0 to 1.
-     */
-    update() {
-      // In VolumeBar init we have a setTimeout for update that pops and update
-      // to the end of the execution stack. The player is destroyed before then
-      // update will cause an error
-      // If there's no bar...
-      if (!this.el_ || !this.bar) {
-        return;
-      }
-
-      // clamp progress between 0 and 1
-      // and only round to four decimal places, as we round to two below
-      const progress = this.getProgress();
-      if (progress === this.progress_) {
-        return progress;
-      }
-      this.progress_ = progress;
-      this.requestNamedAnimationFrame('Slider#update', () => {
-        // Set the new bar width or height
-        const sizeKey = this.vertical() ? 'height' : 'width';
-
-        // Convert to a percentage for css value
-        this.bar.el().style[sizeKey] = (progress * 100).toFixed(2) + '%';
-      });
-      return progress;
-    }
-
-    /**
-     * Get the percentage of the bar that should be filled
-     * but clamped and rounded.
-     *
-     * @return {number}
-     *         percentage filled that the slider is
-     */
-    getProgress() {
-      return Number(clamp(this.getPercent(), 0, 1).toFixed(4));
-    }
-
-    /**
-     * Calculate distance for slider
-     *
-     * @param {Event} event
-     *        The event that caused this function to run.
-     *
-     * @return {number}
-     *         The current position of the Slider.
-     *         - position.x for vertical `Slider`s
-     *         - position.y for horizontal `Slider`s
-     */
-    calculateDistance(event) {
-      const position = getPointerPosition(this.el_, event);
-      if (this.vertical()) {
-        return position.y;
-      }
-      return position.x;
-    }
-
-    /**
-     * Handle a `keydown` event on the `Slider`. Watches for left, right, up, and down
-     * arrow keys. This function will only be called when the slider has focus. See
-     * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
-     *
-     * @param {KeyboardEvent} event
-     *        the `keydown` event that caused this function to run.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Left and Down Arrows
-      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.stepBack();
-
-        // Up and Right Arrows
-      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.stepForward();
-      } else {
-        // Pass keydown handling up for unsupported keys
-        super.handleKeyDown(event);
-      }
-    }
-
-    /**
-     * Listener for click events on slider, used to prevent clicks
-     *   from bubbling up to parent elements like button menus.
-     *
-     * @param {Object} event
-     *        Event that caused this object to run
-     */
-    handleClick(event) {
-      event.stopPropagation();
-      event.preventDefault();
-    }
-
-    /**
-     * Get/set if slider is horizontal for vertical
-     *
-     * @param {boolean} [bool]
-     *        - true if slider is vertical,
-     *        - false is horizontal
-     *
-     * @return {boolean}
-     *         - true if slider is vertical, and getting
-     *         - false if the slider is horizontal, and getting
-     */
-    vertical(bool) {
-      if (bool === undefined) {
-        return this.vertical_ || false;
-      }
-      this.vertical_ = !!bool;
-      if (this.vertical_) {
-        this.addClass('vjs-slider-vertical');
-      } else {
-        this.addClass('vjs-slider-horizontal');
-      }
-    }
-  }
-  Component.registerComponent('Slider', Slider);
-
-  /**
-   * @file load-progress-bar.js
-   */
-
-  // get the percent width of a time compared to the total end
-  const percentify = (time, end) => clamp(time / end * 100, 0, 100).toFixed(2) + '%';
-
-  /**
-   * Shows loading progress
-   *
-   * @extends Component
-   */
-  class LoadProgressBar extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.partEls_ = [];
-      this.on(player, 'progress', e => this.update(e));
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl('div', {
-        className: 'vjs-load-progress'
-      });
-      const wrapper = createEl('span', {
-        className: 'vjs-control-text'
-      });
-      const loadedText = createEl('span', {
-        textContent: this.localize('Loaded')
-      });
-      const separator = document.createTextNode(': ');
-      this.percentageEl_ = createEl('span', {
-        className: 'vjs-control-text-loaded-percentage',
-        textContent: '0%'
-      });
-      el.appendChild(wrapper);
-      wrapper.appendChild(loadedText);
-      wrapper.appendChild(separator);
-      wrapper.appendChild(this.percentageEl_);
-      return el;
-    }
-    dispose() {
-      this.partEls_ = null;
-      this.percentageEl_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Update progress bar
-     *
-     * @param {Event} [event]
-     *        The `progress` event that caused this function to run.
-     *
-     * @listens Player#progress
-     */
-    update(event) {
-      this.requestNamedAnimationFrame('LoadProgressBar#update', () => {
-        const liveTracker = this.player_.liveTracker;
-        const buffered = this.player_.buffered();
-        const duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : this.player_.duration();
-        const bufferedEnd = this.player_.bufferedEnd();
-        const children = this.partEls_;
-        const percent = percentify(bufferedEnd, duration);
-        if (this.percent_ !== percent) {
-          // update the width of the progress bar
-          this.el_.style.width = percent;
-          // update the control-text
-          textContent(this.percentageEl_, percent);
-          this.percent_ = percent;
-        }
-
-        // add child elements to represent the individual buffered time ranges
-        for (let i = 0; i < buffered.length; i++) {
-          const start = buffered.start(i);
-          const end = buffered.end(i);
-          let part = children[i];
-          if (!part) {
-            part = this.el_.appendChild(createEl());
-            children[i] = part;
-          }
-
-          //  only update if changed
-          if (part.dataset.start === start && part.dataset.end === end) {
-            continue;
-          }
-          part.dataset.start = start;
-          part.dataset.end = end;
-
-          // set the percent based on the width of the progress bar (bufferedEnd)
-          part.style.left = percentify(start, bufferedEnd);
-          part.style.width = percentify(end - start, bufferedEnd);
-        }
-
-        // remove unused buffered range elements
-        for (let i = children.length; i > buffered.length; i--) {
-          this.el_.removeChild(children[i - 1]);
-        }
-        children.length = buffered.length;
-      });
-    }
-  }
-  Component.registerComponent('LoadProgressBar', LoadProgressBar);
-
-  /**
-   * @file time-tooltip.js
-   */
-
-  /**
-   * Time tooltips display a time above the progress bar.
-   *
-   * @extends Component
-   */
-  class TimeTooltip extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The {@link Player} that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.update = throttle(bind_(this, this.update), UPDATE_REFRESH_INTERVAL);
-    }
-
-    /**
-     * Create the time tooltip DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-time-tooltip'
-      }, {
-        'aria-hidden': 'true'
-      });
-    }
-
-    /**
-     * Updates the position of the time tooltip relative to the `SeekBar`.
-     *
-     * @param {Object} seekBarRect
-     *        The `ClientRect` for the {@link SeekBar} element.
-     *
-     * @param {number} seekBarPoint
-     *        A number from 0 to 1, representing a horizontal reference point
-     *        from the left edge of the {@link SeekBar}
-     */
-    update(seekBarRect, seekBarPoint, content) {
-      const tooltipRect = findPosition(this.el_);
-      const playerRect = getBoundingClientRect(this.player_.el());
-      const seekBarPointPx = seekBarRect.width * seekBarPoint;
-
-      // do nothing if either rect isn't available
-      // for example, if the player isn't in the DOM for testing
-      if (!playerRect || !tooltipRect) {
-        return;
-      }
-
-      // This is the space left of the `seekBarPoint` available within the bounds
-      // of the player. We calculate any gap between the left edge of the player
-      // and the left edge of the `SeekBar` and add the number of pixels in the
-      // `SeekBar` before hitting the `seekBarPoint`
-      let spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;
-
-      // This is the space right of the `seekBarPoint` available within the bounds
-      // of the player. We calculate the number of pixels from the `seekBarPoint`
-      // to the right edge of the `SeekBar` and add to that any gap between the
-      // right edge of the `SeekBar` and the player.
-      let spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);
-
-      // spaceRightOfPoint is always NaN for mouse time display
-      // because the seekbarRect does not have a right property. This causes
-      // the mouse tool tip to be truncated when it's close to the right edge of the player.
-      // In such cases, we ignore the `playerRect.right - seekBarRect.right` value when calculating.
-      // For the sake of consistency, we ignore seekBarRect.left - playerRect.left for the left edge.
-      if (!spaceRightOfPoint) {
-        spaceRightOfPoint = seekBarRect.width - seekBarPointPx;
-        spaceLeftOfPoint = seekBarPointPx;
-      }
-      // This is the number of pixels by which the tooltip will need to be pulled
-      // further to the right to center it over the `seekBarPoint`.
-      let pullTooltipBy = tooltipRect.width / 2;
-
-      // Adjust the `pullTooltipBy` distance to the left or right depending on
-      // the results of the space calculations above.
-      if (spaceLeftOfPoint < pullTooltipBy) {
-        pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
-      } else if (spaceRightOfPoint < pullTooltipBy) {
-        pullTooltipBy = spaceRightOfPoint;
-      }
-
-      // Due to the imprecision of decimal/ratio based calculations and varying
-      // rounding behaviors, there are cases where the spacing adjustment is off
-      // by a pixel or two. This adds insurance to these calculations.
-      if (pullTooltipBy < 0) {
-        pullTooltipBy = 0;
-      } else if (pullTooltipBy > tooltipRect.width) {
-        pullTooltipBy = tooltipRect.width;
-      }
-
-      // prevent small width fluctuations within 0.4px from
-      // changing the value below.
-      // This really helps for live to prevent the play
-      // progress time tooltip from jittering
-      pullTooltipBy = Math.round(pullTooltipBy);
-      this.el_.style.right = `-${pullTooltipBy}px`;
-      this.write(content);
-    }
-
-    /**
-     * Write the time to the tooltip DOM element.
-     *
-     * @param {string} content
-     *        The formatted time for the tooltip.
-     */
-    write(content) {
-      textContent(this.el_, content);
-    }
-
-    /**
-     * Updates the position of the time tooltip relative to the `SeekBar`.
-     *
-     * @param {Object} seekBarRect
-     *        The `ClientRect` for the {@link SeekBar} element.
-     *
-     * @param {number} seekBarPoint
-     *        A number from 0 to 1, representing a horizontal reference point
-     *        from the left edge of the {@link SeekBar}
-     *
-     * @param {number} time
-     *        The time to update the tooltip to, not used during live playback
-     *
-     * @param {Function} cb
-     *        A function that will be called during the request animation frame
-     *        for tooltips that need to do additional animations from the default
-     */
-    updateTime(seekBarRect, seekBarPoint, time, cb) {
-      this.requestNamedAnimationFrame('TimeTooltip#updateTime', () => {
-        let content;
-        const duration = this.player_.duration();
-        if (this.player_.liveTracker && this.player_.liveTracker.isLive()) {
-          const liveWindow = this.player_.liveTracker.liveWindow();
-          const secondsBehind = liveWindow - seekBarPoint * liveWindow;
-          content = (secondsBehind < 1 ? '' : '-') + formatTime(secondsBehind, liveWindow);
-        } else {
-          content = formatTime(time, duration);
-        }
-        this.update(seekBarRect, seekBarPoint, content);
-        if (cb) {
-          cb();
-        }
-      });
-    }
-  }
-  Component.registerComponent('TimeTooltip', TimeTooltip);
-
-  /**
-   * @file play-progress-bar.js
-   */
-
-  /**
-   * Used by {@link SeekBar} to display media playback progress as part of the
-   * {@link ProgressControl}.
-   *
-   * @extends Component
-   */
-  class PlayProgressBar extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The {@link Player} that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.setIcon('circle');
-      this.update = throttle(bind_(this, this.update), UPDATE_REFRESH_INTERVAL);
-    }
-
-    /**
-     * Create the the DOM element for this class.
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-play-progress vjs-slider-bar'
-      }, {
-        'aria-hidden': 'true'
-      });
-    }
-
-    /**
-     * Enqueues updates to its own DOM as well as the DOM of its
-     * {@link TimeTooltip} child.
-     *
-     * @param {Object} seekBarRect
-     *        The `ClientRect` for the {@link SeekBar} element.
-     *
-     * @param {number} seekBarPoint
-     *        A number from 0 to 1, representing a horizontal reference point
-     *        from the left edge of the {@link SeekBar}
-     */
-    update(seekBarRect, seekBarPoint) {
-      const timeTooltip = this.getChild('timeTooltip');
-      if (!timeTooltip) {
-        return;
-      }
-      const time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
-      timeTooltip.updateTime(seekBarRect, seekBarPoint, time);
-    }
-  }
-
-  /**
-   * Default options for {@link PlayProgressBar}.
-   *
-   * @type {Object}
-   * @private
-   */
-  PlayProgressBar.prototype.options_ = {
-    children: []
-  };
-
-  // Time tooltips should not be added to a player on mobile devices
-  if (!IS_IOS && !IS_ANDROID) {
-    PlayProgressBar.prototype.options_.children.push('timeTooltip');
-  }
-  Component.registerComponent('PlayProgressBar', PlayProgressBar);
-
-  /**
-   * @file mouse-time-display.js
-   */
-
-  /**
-   * The {@link MouseTimeDisplay} component tracks mouse movement over the
-   * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
-   * indicating the time which is represented by a given point in the
-   * {@link ProgressControl}.
-   *
-   * @extends Component
-   */
-  class MouseTimeDisplay extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The {@link Player} that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.update = throttle(bind_(this, this.update), UPDATE_REFRESH_INTERVAL);
-    }
-
-    /**
-     * Create the DOM element for this class.
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-mouse-display'
-      });
-    }
-
-    /**
-     * Enqueues updates to its own DOM as well as the DOM of its
-     * {@link TimeTooltip} child.
-     *
-     * @param {Object} seekBarRect
-     *        The `ClientRect` for the {@link SeekBar} element.
-     *
-     * @param {number} seekBarPoint
-     *        A number from 0 to 1, representing a horizontal reference point
-     *        from the left edge of the {@link SeekBar}
-     */
-    update(seekBarRect, seekBarPoint) {
-      const time = seekBarPoint * this.player_.duration();
-      this.getChild('timeTooltip').updateTime(seekBarRect, seekBarPoint, time, () => {
-        this.el_.style.left = `${seekBarRect.width * seekBarPoint}px`;
-      });
-    }
-  }
-
-  /**
-   * Default options for `MouseTimeDisplay`
-   *
-   * @type {Object}
-   * @private
-   */
-  MouseTimeDisplay.prototype.options_ = {
-    children: ['timeTooltip']
-  };
-  Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
-
-  /**
-   * @file seek-bar.js
-   */
-
-  // The number of seconds the `step*` functions move the timeline.
-  const STEP_SECONDS = 5;
-
-  // The multiplier of STEP_SECONDS that PgUp/PgDown move the timeline.
-  const PAGE_KEY_MULTIPLIER = 12;
-
-  /**
-   * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
-   * as its `bar`.
-   *
-   * @extends Slider
-   */
-  class SeekBar extends Slider {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.setEventHandlers_();
-    }
-
-    /**
-     * Sets the event handlers
-     *
-     * @private
-     */
-    setEventHandlers_() {
-      this.update_ = bind_(this, this.update);
-      this.update = throttle(this.update_, UPDATE_REFRESH_INTERVAL);
-      this.on(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);
-      if (this.player_.liveTracker) {
-        this.on(this.player_.liveTracker, 'liveedgechange', this.update);
-      }
-
-      // when playing, let's ensure we smoothly update the play progress bar
-      // via an interval
-      this.updateInterval = null;
-      this.enableIntervalHandler_ = e => this.enableInterval_(e);
-      this.disableIntervalHandler_ = e => this.disableInterval_(e);
-      this.on(this.player_, ['playing'], this.enableIntervalHandler_);
-      this.on(this.player_, ['ended', 'pause', 'waiting'], this.disableIntervalHandler_);
-
-      // we don't need to update the play progress if the document is hidden,
-      // also, this causes the CPU to spike and eventually crash the page on IE11.
-      if ('hidden' in document && 'visibilityState' in document) {
-        this.on(document, 'visibilitychange', this.toggleVisibility_);
-      }
-    }
-    toggleVisibility_(e) {
-      if (document.visibilityState === 'hidden') {
-        this.cancelNamedAnimationFrame('SeekBar#update');
-        this.cancelNamedAnimationFrame('Slider#update');
-        this.disableInterval_(e);
-      } else {
-        if (!this.player_.ended() && !this.player_.paused()) {
-          this.enableInterval_();
-        }
-
-        // we just switched back to the page and someone may be looking, so, update ASAP
-        this.update();
-      }
-    }
-    enableInterval_() {
-      if (this.updateInterval) {
-        return;
-      }
-      this.updateInterval = this.setInterval(this.update, UPDATE_REFRESH_INTERVAL);
-    }
-    disableInterval_(e) {
-      if (this.player_.liveTracker && this.player_.liveTracker.isLive() && e && e.type !== 'ended') {
-        return;
-      }
-      if (!this.updateInterval) {
-        return;
-      }
-      this.clearInterval(this.updateInterval);
-      this.updateInterval = null;
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-progress-holder'
-      }, {
-        'aria-label': this.localize('Progress Bar')
-      });
-    }
-
-    /**
-     * This function updates the play progress bar and accessibility
-     * attributes to whatever is passed in.
-     *
-     * @param {Event} [event]
-     *        The `timeupdate` or `ended` event that caused this to run.
-     *
-     * @listens Player#timeupdate
-     *
-     * @return {number}
-     *          The current percent at a number from 0-1
-     */
-    update(event) {
-      // ignore updates while the tab is hidden
-      if (document.visibilityState === 'hidden') {
-        return;
-      }
-      const percent = super.update();
-      this.requestNamedAnimationFrame('SeekBar#update', () => {
-        const currentTime = this.player_.ended() ? this.player_.duration() : this.getCurrentTime_();
-        const liveTracker = this.player_.liveTracker;
-        let duration = this.player_.duration();
-        if (liveTracker && liveTracker.isLive()) {
-          duration = this.player_.liveTracker.liveCurrentTime();
-        }
-        if (this.percent_ !== percent) {
-          // machine readable value of progress bar (percentage complete)
-          this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
-          this.percent_ = percent;
-        }
-        if (this.currentTime_ !== currentTime || this.duration_ !== duration) {
-          // human readable value of progress bar (time complete)
-          this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
-          this.currentTime_ = currentTime;
-          this.duration_ = duration;
-        }
-
-        // update the progress bar time tooltip with the current time
-        if (this.bar) {
-          this.bar.update(getBoundingClientRect(this.el()), this.getProgress());
-        }
-      });
-      return percent;
-    }
-
-    /**
-     * Prevent liveThreshold from causing seeks to seem like they
-     * are not happening from a user perspective.
-     *
-     * @param {number} ct
-     *        current time to seek to
-     */
-    userSeek_(ct) {
-      if (this.player_.liveTracker && this.player_.liveTracker.isLive()) {
-        this.player_.liveTracker.nextSeekedFromUser();
-      }
-      this.player_.currentTime(ct);
-    }
-
-    /**
-     * Get the value of current time but allows for smooth scrubbing,
-     * when player can't keep up.
-     *
-     * @return {number}
-     *         The current time value to display
-     *
-     * @private
-     */
-    getCurrentTime_() {
-      return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
-    }
-
-    /**
-     * Get the percentage of media played so far.
-     *
-     * @return {number}
-     *         The percentage of media played so far (0 to 1).
-     */
-    getPercent() {
-      const currentTime = this.getCurrentTime_();
-      let percent;
-      const liveTracker = this.player_.liveTracker;
-      if (liveTracker && liveTracker.isLive()) {
-        percent = (currentTime - liveTracker.seekableStart()) / liveTracker.liveWindow();
-
-        // prevent the percent from changing at the live edge
-        if (liveTracker.atLiveEdge()) {
-          percent = 1;
-        }
-      } else {
-        percent = currentTime / this.player_.duration();
-      }
-      return percent;
-    }
-
-    /**
-     * Handle mouse down on seek bar
-     *
-     * @param {MouseEvent} event
-     *        The `mousedown` event that caused this to run.
-     *
-     * @listens mousedown
-     */
-    handleMouseDown(event) {
-      if (!isSingleLeftClick(event)) {
-        return;
-      }
-
-      // Stop event propagation to prevent double fire in progress-control.js
-      event.stopPropagation();
-      this.videoWasPlaying = !this.player_.paused();
-      this.player_.pause();
-      super.handleMouseDown(event);
-    }
-
-    /**
-     * Handle mouse move on seek bar
-     *
-     * @param {MouseEvent} event
-     *        The `mousemove` event that caused this to run.
-     * @param {boolean} mouseDown this is a flag that should be set to true if `handleMouseMove` is called directly. It allows us to skip things that should not happen if coming from mouse down but should happen on regular mouse move handler. Defaults to false
-     *
-     * @listens mousemove
-     */
-    handleMouseMove(event, mouseDown = false) {
-      if (!isSingleLeftClick(event) || isNaN(this.player_.duration())) {
-        return;
-      }
-      if (!mouseDown && !this.player_.scrubbing()) {
-        this.player_.scrubbing(true);
-      }
-      let newTime;
-      const distance = this.calculateDistance(event);
-      const liveTracker = this.player_.liveTracker;
-      if (!liveTracker || !liveTracker.isLive()) {
-        newTime = distance * this.player_.duration();
-
-        // Don't let video end while scrubbing.
-        if (newTime === this.player_.duration()) {
-          newTime = newTime - 0.1;
-        }
-      } else {
-        if (distance >= 0.99) {
-          liveTracker.seekToLiveEdge();
-          return;
-        }
-        const seekableStart = liveTracker.seekableStart();
-        const seekableEnd = liveTracker.liveCurrentTime();
-        newTime = seekableStart + distance * liveTracker.liveWindow();
-
-        // Don't let video end while scrubbing.
-        if (newTime >= seekableEnd) {
-          newTime = seekableEnd;
-        }
-
-        // Compensate for precision differences so that currentTime is not less
-        // than seekable start
-        if (newTime <= seekableStart) {
-          newTime = seekableStart + 0.1;
-        }
-
-        // On android seekableEnd can be Infinity sometimes,
-        // this will cause newTime to be Infinity, which is
-        // not a valid currentTime.
-        if (newTime === Infinity) {
-          return;
-        }
-      }
-
-      // Set new time (tell player to seek to new time)
-      this.userSeek_(newTime);
-      if (this.player_.options_.enableSmoothSeeking) {
-        this.update();
-      }
-    }
-    enable() {
-      super.enable();
-      const mouseTimeDisplay = this.getChild('mouseTimeDisplay');
-      if (!mouseTimeDisplay) {
-        return;
-      }
-      mouseTimeDisplay.show();
-    }
-    disable() {
-      super.disable();
-      const mouseTimeDisplay = this.getChild('mouseTimeDisplay');
-      if (!mouseTimeDisplay) {
-        return;
-      }
-      mouseTimeDisplay.hide();
-    }
-
-    /**
-     * Handle mouse up on seek bar
-     *
-     * @param {MouseEvent} event
-     *        The `mouseup` event that caused this to run.
-     *
-     * @listens mouseup
-     */
-    handleMouseUp(event) {
-      super.handleMouseUp(event);
-
-      // Stop event propagation to prevent double fire in progress-control.js
-      if (event) {
-        event.stopPropagation();
-      }
-      this.player_.scrubbing(false);
-
-      /**
-       * Trigger timeupdate because we're done seeking and the time has changed.
-       * This is particularly useful for if the player is paused to time the time displays.
-       *
-       * @event Tech#timeupdate
-       * @type {Event}
-       */
-      this.player_.trigger({
-        type: 'timeupdate',
-        target: this,
-        manuallyTriggered: true
-      });
-      if (this.videoWasPlaying) {
-        silencePromise(this.player_.play());
-      } else {
-        // We're done seeking and the time has changed.
-        // If the player is paused, make sure we display the correct time on the seek bar.
-        this.update_();
-      }
-    }
-
-    /**
-     * Move more quickly fast forward for keyboard-only users
-     */
-    stepForward() {
-      this.userSeek_(this.player_.currentTime() + STEP_SECONDS);
-    }
-
-    /**
-     * Move more quickly rewind for keyboard-only users
-     */
-    stepBack() {
-      this.userSeek_(this.player_.currentTime() - STEP_SECONDS);
-    }
-
-    /**
-     * Toggles the playback state of the player
-     * This gets called when enter or space is used on the seekbar
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called
-     *
-     */
-    handleAction(event) {
-      if (this.player_.paused()) {
-        this.player_.play();
-      } else {
-        this.player_.pause();
-      }
-    }
-
-    /**
-     * Called when this SeekBar has focus and a key gets pressed down.
-     * Supports the following keys:
-     *
-     *   Space or Enter key fire a click event
-     *   Home key moves to start of the timeline
-     *   End key moves to end of the timeline
-     *   Digit "0" through "9" keys move to 0%, 10% ... 80%, 90% of the timeline
-     *   PageDown key moves back a larger step than ArrowDown
-     *   PageUp key moves forward a large step
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      const liveTracker = this.player_.liveTracker;
-      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.handleAction(event);
-      } else if (keycode.isEventKey(event, 'Home')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.userSeek_(0);
-      } else if (keycode.isEventKey(event, 'End')) {
-        event.preventDefault();
-        event.stopPropagation();
-        if (liveTracker && liveTracker.isLive()) {
-          this.userSeek_(liveTracker.liveCurrentTime());
-        } else {
-          this.userSeek_(this.player_.duration());
-        }
-      } else if (/^[0-9]$/.test(keycode(event))) {
-        event.preventDefault();
-        event.stopPropagation();
-        const gotoFraction = (keycode.codes[keycode(event)] - keycode.codes['0']) * 10.0 / 100.0;
-        if (liveTracker && liveTracker.isLive()) {
-          this.userSeek_(liveTracker.seekableStart() + liveTracker.liveWindow() * gotoFraction);
-        } else {
-          this.userSeek_(this.player_.duration() * gotoFraction);
-        }
-      } else if (keycode.isEventKey(event, 'PgDn')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.userSeek_(this.player_.currentTime() - STEP_SECONDS * PAGE_KEY_MULTIPLIER);
-      } else if (keycode.isEventKey(event, 'PgUp')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.userSeek_(this.player_.currentTime() + STEP_SECONDS * PAGE_KEY_MULTIPLIER);
-      } else {
-        // Pass keydown handling up for unsupported keys
-        super.handleKeyDown(event);
-      }
-    }
-    dispose() {
-      this.disableInterval_();
-      this.off(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);
-      if (this.player_.liveTracker) {
-        this.off(this.player_.liveTracker, 'liveedgechange', this.update);
-      }
-      this.off(this.player_, ['playing'], this.enableIntervalHandler_);
-      this.off(this.player_, ['ended', 'pause', 'waiting'], this.disableIntervalHandler_);
-
-      // we don't need to update the play progress if the document is hidden,
-      // also, this causes the CPU to spike and eventually crash the page on IE11.
-      if ('hidden' in document && 'visibilityState' in document) {
-        this.off(document, 'visibilitychange', this.toggleVisibility_);
-      }
-      super.dispose();
-    }
-  }
-
-  /**
-   * Default options for the `SeekBar`
-   *
-   * @type {Object}
-   * @private
-   */
-  SeekBar.prototype.options_ = {
-    children: ['loadProgressBar', 'playProgressBar'],
-    barName: 'playProgressBar'
-  };
-
-  // MouseTimeDisplay tooltips should not be added to a player on mobile devices
-  if (!IS_IOS && !IS_ANDROID) {
-    SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
-  }
-  Component.registerComponent('SeekBar', SeekBar);
-
-  /**
-   * @file progress-control.js
-   */
-
-  /**
-   * The Progress Control component contains the seek bar, load progress,
-   * and play progress.
-   *
-   * @extends Component
-   */
-  class ProgressControl extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.handleMouseMove = throttle(bind_(this, this.handleMouseMove), UPDATE_REFRESH_INTERVAL);
-      this.throttledHandleMouseSeek = throttle(bind_(this, this.handleMouseSeek), UPDATE_REFRESH_INTERVAL);
-      this.handleMouseUpHandler_ = e => this.handleMouseUp(e);
-      this.handleMouseDownHandler_ = e => this.handleMouseDown(e);
-      this.enable();
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-progress-control vjs-control'
-      });
-    }
-
-    /**
-     * When the mouse moves over the `ProgressControl`, the pointer position
-     * gets passed down to the `MouseTimeDisplay` component.
-     *
-     * @param {Event} event
-     *        The `mousemove` event that caused this function to run.
-     *
-     * @listen mousemove
-     */
-    handleMouseMove(event) {
-      const seekBar = this.getChild('seekBar');
-      if (!seekBar) {
-        return;
-      }
-      const playProgressBar = seekBar.getChild('playProgressBar');
-      const mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
-      if (!playProgressBar && !mouseTimeDisplay) {
-        return;
-      }
-      const seekBarEl = seekBar.el();
-      const seekBarRect = findPosition(seekBarEl);
-      let seekBarPoint = getPointerPosition(seekBarEl, event).x;
-
-      // The default skin has a gap on either side of the `SeekBar`. This means
-      // that it's possible to trigger this behavior outside the boundaries of
-      // the `SeekBar`. This ensures we stay within it at all times.
-      seekBarPoint = clamp(seekBarPoint, 0, 1);
-      if (mouseTimeDisplay) {
-        mouseTimeDisplay.update(seekBarRect, seekBarPoint);
-      }
-      if (playProgressBar) {
-        playProgressBar.update(seekBarRect, seekBar.getProgress());
-      }
-    }
-
-    /**
-     * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
-     *
-     * @method ProgressControl#throttledHandleMouseSeek
-     * @param {Event} event
-     *        The `mousemove` event that caused this function to run.
-     *
-     * @listen mousemove
-     * @listen touchmove
-     */
-
-    /**
-     * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
-     *
-     * @param {Event} event
-     *        `mousedown` or `touchstart` event that triggered this function
-     *
-     * @listens mousemove
-     * @listens touchmove
-     */
-    handleMouseSeek(event) {
-      const seekBar = this.getChild('seekBar');
-      if (seekBar) {
-        seekBar.handleMouseMove(event);
-      }
-    }
-
-    /**
-     * Are controls are currently enabled for this progress control.
-     *
-     * @return {boolean}
-     *         true if controls are enabled, false otherwise
-     */
-    enabled() {
-      return this.enabled_;
-    }
-
-    /**
-     * Disable all controls on the progress control and its children
-     */
-    disable() {
-      this.children().forEach(child => child.disable && child.disable());
-      if (!this.enabled()) {
-        return;
-      }
-      this.off(['mousedown', 'touchstart'], this.handleMouseDownHandler_);
-      this.off(this.el_, 'mousemove', this.handleMouseMove);
-      this.removeListenersAddedOnMousedownAndTouchstart();
-      this.addClass('disabled');
-      this.enabled_ = false;
-
-      // Restore normal playback state if controls are disabled while scrubbing
-      if (this.player_.scrubbing()) {
-        const seekBar = this.getChild('seekBar');
-        this.player_.scrubbing(false);
-        if (seekBar.videoWasPlaying) {
-          silencePromise(this.player_.play());
-        }
-      }
-    }
-
-    /**
-     * Enable all controls on the progress control and its children
-     */
-    enable() {
-      this.children().forEach(child => child.enable && child.enable());
-      if (this.enabled()) {
-        return;
-      }
-      this.on(['mousedown', 'touchstart'], this.handleMouseDownHandler_);
-      this.on(this.el_, 'mousemove', this.handleMouseMove);
-      this.removeClass('disabled');
-      this.enabled_ = true;
-    }
-
-    /**
-     * Cleanup listeners after the user finishes interacting with the progress controls
-     */
-    removeListenersAddedOnMousedownAndTouchstart() {
-      const doc = this.el_.ownerDocument;
-      this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
-      this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
-      this.off(doc, 'mouseup', this.handleMouseUpHandler_);
-      this.off(doc, 'touchend', this.handleMouseUpHandler_);
-    }
-
-    /**
-     * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
-     *
-     * @param {Event} event
-     *        `mousedown` or `touchstart` event that triggered this function
-     *
-     * @listens mousedown
-     * @listens touchstart
-     */
-    handleMouseDown(event) {
-      const doc = this.el_.ownerDocument;
-      const seekBar = this.getChild('seekBar');
-      if (seekBar) {
-        seekBar.handleMouseDown(event);
-      }
-      this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
-      this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
-      this.on(doc, 'mouseup', this.handleMouseUpHandler_);
-      this.on(doc, 'touchend', this.handleMouseUpHandler_);
-    }
-
-    /**
-     * Handle `mouseup` or `touchend` events on the `ProgressControl`.
-     *
-     * @param {Event} event
-     *        `mouseup` or `touchend` event that triggered this function.
-     *
-     * @listens touchend
-     * @listens mouseup
-     */
-    handleMouseUp(event) {
-      const seekBar = this.getChild('seekBar');
-      if (seekBar) {
-        seekBar.handleMouseUp(event);
-      }
-      this.removeListenersAddedOnMousedownAndTouchstart();
-    }
-  }
-
-  /**
-   * Default options for `ProgressControl`
-   *
-   * @type {Object}
-   * @private
-   */
-  ProgressControl.prototype.options_ = {
-    children: ['seekBar']
-  };
-  Component.registerComponent('ProgressControl', ProgressControl);
-
-  /**
-   * @file picture-in-picture-toggle.js
-   */
-
-  /**
-   * Toggle Picture-in-Picture mode
-   *
-   * @extends Button
-   */
-  class PictureInPictureToggle extends Button {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @listens Player#enterpictureinpicture
-     * @listens Player#leavepictureinpicture
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.setIcon('picture-in-picture-enter');
-      this.on(player, ['enterpictureinpicture', 'leavepictureinpicture'], e => this.handlePictureInPictureChange(e));
-      this.on(player, ['disablepictureinpicturechanged', 'loadedmetadata'], e => this.handlePictureInPictureEnabledChange(e));
-      this.on(player, ['loadedmetadata', 'audioonlymodechange', 'audiopostermodechange'], () => this.handlePictureInPictureAudioModeChange());
-
-      // TODO: Deactivate button on player emptied event.
-      this.disable();
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-picture-in-picture-control vjs-hidden ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Displays or hides the button depending on the audio mode detection.
-     * Exits picture-in-picture if it is enabled when switching to audio mode.
-     */
-    handlePictureInPictureAudioModeChange() {
-      // This audio detection will not detect HLS or DASH audio-only streams because there was no reliable way to detect them at the time
-      const isSourceAudio = this.player_.currentType().substring(0, 5) === 'audio';
-      const isAudioMode = isSourceAudio || this.player_.audioPosterMode() || this.player_.audioOnlyMode();
-      if (!isAudioMode) {
-        this.show();
-        return;
-      }
-      if (this.player_.isInPictureInPicture()) {
-        this.player_.exitPictureInPicture();
-      }
-      this.hide();
-    }
-
-    /**
-     * Enables or disables button based on availability of a Picture-In-Picture mode.
-     *
-     * Enabled if
-     * - `player.options().enableDocumentPictureInPicture` is true and
-     *   window.documentPictureInPicture is available; or
-     * - `player.disablePictureInPicture()` is false and
-     *   element.requestPictureInPicture is available
-     */
-    handlePictureInPictureEnabledChange() {
-      if (document.pictureInPictureEnabled && this.player_.disablePictureInPicture() === false || this.player_.options_.enableDocumentPictureInPicture && 'documentPictureInPicture' in window) {
-        this.enable();
-      } else {
-        this.disable();
-      }
-    }
-
-    /**
-     * Handles enterpictureinpicture and leavepictureinpicture on the player and change control text accordingly.
-     *
-     * @param {Event} [event]
-     *        The {@link Player#enterpictureinpicture} or {@link Player#leavepictureinpicture} event that caused this function to be
-     *        called.
-     *
-     * @listens Player#enterpictureinpicture
-     * @listens Player#leavepictureinpicture
-     */
-    handlePictureInPictureChange(event) {
-      if (this.player_.isInPictureInPicture()) {
-        this.setIcon('picture-in-picture-exit');
-        this.controlText('Exit Picture-in-Picture');
-      } else {
-        this.setIcon('picture-in-picture-enter');
-        this.controlText('Picture-in-Picture');
-      }
-      this.handlePictureInPictureEnabledChange();
-    }
-
-    /**
-     * This gets called when an `PictureInPictureToggle` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      if (!this.player_.isInPictureInPicture()) {
-        this.player_.requestPictureInPicture();
-      } else {
-        this.player_.exitPictureInPicture();
-      }
-    }
-
-    /**
-     * Show the `Component`s element if it is hidden by removing the
-     * 'vjs-hidden' class name from it only in browsers that support the Picture-in-Picture API.
-     */
-    show() {
-      // Does not allow to display the pictureInPictureToggle in browsers that do not support the Picture-in-Picture API, e.g. Firefox.
-      if (typeof document.exitPictureInPicture !== 'function') {
-        return;
-      }
-      super.show();
-    }
-  }
-
-  /**
-   * The text that should display over the `PictureInPictureToggle`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  PictureInPictureToggle.prototype.controlText_ = 'Picture-in-Picture';
-  Component.registerComponent('PictureInPictureToggle', PictureInPictureToggle);
-
-  /**
-   * @file fullscreen-toggle.js
-   */
-
-  /**
-   * Toggle fullscreen video
-   *
-   * @extends Button
-   */
-  class FullscreenToggle extends Button {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.setIcon('fullscreen-enter');
-      this.on(player, 'fullscreenchange', e => this.handleFullscreenChange(e));
-      if (document[player.fsApi_.fullscreenEnabled] === false) {
-        this.disable();
-      }
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-fullscreen-control ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Handles fullscreenchange on the player and change control text accordingly.
-     *
-     * @param {Event} [event]
-     *        The {@link Player#fullscreenchange} event that caused this function to be
-     *        called.
-     *
-     * @listens Player#fullscreenchange
-     */
-    handleFullscreenChange(event) {
-      if (this.player_.isFullscreen()) {
-        this.controlText('Exit Fullscreen');
-        this.setIcon('fullscreen-exit');
-      } else {
-        this.controlText('Fullscreen');
-        this.setIcon('fullscreen-enter');
-      }
-    }
-
-    /**
-     * This gets called when an `FullscreenToggle` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      if (!this.player_.isFullscreen()) {
-        this.player_.requestFullscreen();
-      } else {
-        this.player_.exitFullscreen();
-      }
-    }
-  }
-
-  /**
-   * The text that should display over the `FullscreenToggle`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  FullscreenToggle.prototype.controlText_ = 'Fullscreen';
-  Component.registerComponent('FullscreenToggle', FullscreenToggle);
-
-  /**
-   * Check if volume control is supported and if it isn't hide the
-   * `Component` that was passed  using the `vjs-hidden` class.
-   *
-   * @param { import('../../component').default } self
-   *        The component that should be hidden if volume is unsupported
-   *
-   * @param { import('../../player').default } player
-   *        A reference to the player
-   *
-   * @private
-   */
-  const checkVolumeSupport = function (self, player) {
-    // hide volume controls when they're not supported by the current tech
-    if (player.tech_ && !player.tech_.featuresVolumeControl) {
-      self.addClass('vjs-hidden');
-    }
-    self.on(player, 'loadstart', function () {
-      if (!player.tech_.featuresVolumeControl) {
-        self.addClass('vjs-hidden');
-      } else {
-        self.removeClass('vjs-hidden');
-      }
-    });
-  };
-
-  /**
-   * @file volume-level.js
-   */
-
-  /**
-   * Shows volume level
-   *
-   * @extends Component
-   */
-  class VolumeLevel extends Component {
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl('div', {
-        className: 'vjs-volume-level'
-      });
-      this.setIcon('circle', el);
-      el.appendChild(super.createEl('span', {
-        className: 'vjs-control-text'
-      }));
-      return el;
-    }
-  }
-  Component.registerComponent('VolumeLevel', VolumeLevel);
-
-  /**
-   * @file volume-level-tooltip.js
-   */
-
-  /**
-   * Volume level tooltips display a volume above or side by side the volume bar.
-   *
-   * @extends Component
-   */
-  class VolumeLevelTooltip extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The {@link Player} that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.update = throttle(bind_(this, this.update), UPDATE_REFRESH_INTERVAL);
-    }
-
-    /**
-     * Create the volume tooltip DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-volume-tooltip'
-      }, {
-        'aria-hidden': 'true'
-      });
-    }
-
-    /**
-     * Updates the position of the tooltip relative to the `VolumeBar` and
-     * its content text.
-     *
-     * @param {Object} rangeBarRect
-     *        The `ClientRect` for the {@link VolumeBar} element.
-     *
-     * @param {number} rangeBarPoint
-     *        A number from 0 to 1, representing a horizontal/vertical reference point
-     *        from the left edge of the {@link VolumeBar}
-     *
-     * @param {boolean} vertical
-     *        Referees to the Volume control position
-     *        in the control bar{@link VolumeControl}
-     *
-     */
-    update(rangeBarRect, rangeBarPoint, vertical, content) {
-      if (!vertical) {
-        const tooltipRect = getBoundingClientRect(this.el_);
-        const playerRect = getBoundingClientRect(this.player_.el());
-        const volumeBarPointPx = rangeBarRect.width * rangeBarPoint;
-        if (!playerRect || !tooltipRect) {
-          return;
-        }
-        const spaceLeftOfPoint = rangeBarRect.left - playerRect.left + volumeBarPointPx;
-        const spaceRightOfPoint = rangeBarRect.width - volumeBarPointPx + (playerRect.right - rangeBarRect.right);
-        let pullTooltipBy = tooltipRect.width / 2;
-        if (spaceLeftOfPoint < pullTooltipBy) {
-          pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
-        } else if (spaceRightOfPoint < pullTooltipBy) {
-          pullTooltipBy = spaceRightOfPoint;
-        }
-        if (pullTooltipBy < 0) {
-          pullTooltipBy = 0;
-        } else if (pullTooltipBy > tooltipRect.width) {
-          pullTooltipBy = tooltipRect.width;
-        }
-        this.el_.style.right = `-${pullTooltipBy}px`;
-      }
-      this.write(`${content}%`);
-    }
-
-    /**
-     * Write the volume to the tooltip DOM element.
-     *
-     * @param {string} content
-     *        The formatted volume for the tooltip.
-     */
-    write(content) {
-      textContent(this.el_, content);
-    }
-
-    /**
-     * Updates the position of the volume tooltip relative to the `VolumeBar`.
-     *
-     * @param {Object} rangeBarRect
-     *        The `ClientRect` for the {@link VolumeBar} element.
-     *
-     * @param {number} rangeBarPoint
-     *        A number from 0 to 1, representing a horizontal/vertical reference point
-     *        from the left edge of the {@link VolumeBar}
-     *
-     * @param {boolean} vertical
-     *        Referees to the Volume control position
-     *        in the control bar{@link VolumeControl}
-     *
-     * @param {number} volume
-     *        The volume level to update the tooltip to
-     *
-     * @param {Function} cb
-     *        A function that will be called during the request animation frame
-     *        for tooltips that need to do additional animations from the default
-     */
-    updateVolume(rangeBarRect, rangeBarPoint, vertical, volume, cb) {
-      this.requestNamedAnimationFrame('VolumeLevelTooltip#updateVolume', () => {
-        this.update(rangeBarRect, rangeBarPoint, vertical, volume.toFixed(0));
-        if (cb) {
-          cb();
-        }
-      });
-    }
-  }
-  Component.registerComponent('VolumeLevelTooltip', VolumeLevelTooltip);
-
-  /**
-   * @file mouse-volume-level-display.js
-   */
-
-  /**
-   * The {@link MouseVolumeLevelDisplay} component tracks mouse movement over the
-   * {@link VolumeControl}. It displays an indicator and a {@link VolumeLevelTooltip}
-   * indicating the volume level which is represented by a given point in the
-   * {@link VolumeBar}.
-   *
-   * @extends Component
-   */
-  class MouseVolumeLevelDisplay extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The {@link Player} that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.update = throttle(bind_(this, this.update), UPDATE_REFRESH_INTERVAL);
-    }
-
-    /**
-     * Create the DOM element for this class.
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-mouse-display'
-      });
-    }
-
-    /**
-     * Enquires updates to its own DOM as well as the DOM of its
-     * {@link VolumeLevelTooltip} child.
-     *
-     * @param {Object} rangeBarRect
-     *        The `ClientRect` for the {@link VolumeBar} element.
-     *
-     * @param {number} rangeBarPoint
-     *        A number from 0 to 1, representing a horizontal/vertical reference point
-     *        from the left edge of the {@link VolumeBar}
-     *
-     * @param {boolean} vertical
-     *        Referees to the Volume control position
-     *        in the control bar{@link VolumeControl}
-     *
-     */
-    update(rangeBarRect, rangeBarPoint, vertical) {
-      const volume = 100 * rangeBarPoint;
-      this.getChild('volumeLevelTooltip').updateVolume(rangeBarRect, rangeBarPoint, vertical, volume, () => {
-        if (vertical) {
-          this.el_.style.bottom = `${rangeBarRect.height * rangeBarPoint}px`;
-        } else {
-          this.el_.style.left = `${rangeBarRect.width * rangeBarPoint}px`;
-        }
-      });
-    }
-  }
-
-  /**
-   * Default options for `MouseVolumeLevelDisplay`
-   *
-   * @type {Object}
-   * @private
-   */
-  MouseVolumeLevelDisplay.prototype.options_ = {
-    children: ['volumeLevelTooltip']
-  };
-  Component.registerComponent('MouseVolumeLevelDisplay', MouseVolumeLevelDisplay);
-
-  /**
-   * @file volume-bar.js
-   */
-
-  /**
-   * The bar that contains the volume level and can be clicked on to adjust the level
-   *
-   * @extends Slider
-   */
-  class VolumeBar extends Slider {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.on('slideractive', e => this.updateLastVolume_(e));
-      this.on(player, 'volumechange', e => this.updateARIAAttributes(e));
-      player.ready(() => this.updateARIAAttributes());
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-volume-bar vjs-slider-bar'
-      }, {
-        'aria-label': this.localize('Volume Level'),
-        'aria-live': 'polite'
-      });
-    }
-
-    /**
-     * Handle mouse down on volume bar
-     *
-     * @param {Event} event
-     *        The `mousedown` event that caused this to run.
-     *
-     * @listens mousedown
-     */
-    handleMouseDown(event) {
-      if (!isSingleLeftClick(event)) {
-        return;
-      }
-      super.handleMouseDown(event);
-    }
-
-    /**
-     * Handle movement events on the {@link VolumeMenuButton}.
-     *
-     * @param {Event} event
-     *        The event that caused this function to run.
-     *
-     * @listens mousemove
-     */
-    handleMouseMove(event) {
-      const mouseVolumeLevelDisplay = this.getChild('mouseVolumeLevelDisplay');
-      if (mouseVolumeLevelDisplay) {
-        const volumeBarEl = this.el();
-        const volumeBarRect = getBoundingClientRect(volumeBarEl);
-        const vertical = this.vertical();
-        let volumeBarPoint = getPointerPosition(volumeBarEl, event);
-        volumeBarPoint = vertical ? volumeBarPoint.y : volumeBarPoint.x;
-        // The default skin has a gap on either side of the `VolumeBar`. This means
-        // that it's possible to trigger this behavior outside the boundaries of
-        // the `VolumeBar`. This ensures we stay within it at all times.
-        volumeBarPoint = clamp(volumeBarPoint, 0, 1);
-        mouseVolumeLevelDisplay.update(volumeBarRect, volumeBarPoint, vertical);
-      }
-      if (!isSingleLeftClick(event)) {
-        return;
-      }
-      this.checkMuted();
-      this.player_.volume(this.calculateDistance(event));
-    }
-
-    /**
-     * If the player is muted unmute it.
-     */
-    checkMuted() {
-      if (this.player_.muted()) {
-        this.player_.muted(false);
-      }
-    }
-
-    /**
-     * Get percent of volume level
-     *
-     * @return {number}
-     *         Volume level percent as a decimal number.
-     */
-    getPercent() {
-      if (this.player_.muted()) {
-        return 0;
-      }
-      return this.player_.volume();
-    }
-
-    /**
-     * Increase volume level for keyboard users
-     */
-    stepForward() {
-      this.checkMuted();
-      this.player_.volume(this.player_.volume() + 0.1);
-    }
-
-    /**
-     * Decrease volume level for keyboard users
-     */
-    stepBack() {
-      this.checkMuted();
-      this.player_.volume(this.player_.volume() - 0.1);
-    }
-
-    /**
-     * Update ARIA accessibility attributes
-     *
-     * @param {Event} [event]
-     *        The `volumechange` event that caused this function to run.
-     *
-     * @listens Player#volumechange
-     */
-    updateARIAAttributes(event) {
-      const ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
-      this.el_.setAttribute('aria-valuenow', ariaValue);
-      this.el_.setAttribute('aria-valuetext', ariaValue + '%');
-    }
-
-    /**
-     * Returns the current value of the player volume as a percentage
-     *
-     * @private
-     */
-    volumeAsPercentage_() {
-      return Math.round(this.player_.volume() * 100);
-    }
-
-    /**
-     * When user starts dragging the VolumeBar, store the volume and listen for
-     * the end of the drag. When the drag ends, if the volume was set to zero,
-     * set lastVolume to the stored volume.
-     *
-     * @listens slideractive
-     * @private
-     */
-    updateLastVolume_() {
-      const volumeBeforeDrag = this.player_.volume();
-      this.one('sliderinactive', () => {
-        if (this.player_.volume() === 0) {
-          this.player_.lastVolume_(volumeBeforeDrag);
-        }
-      });
-    }
-  }
-
-  /**
-   * Default options for the `VolumeBar`
-   *
-   * @type {Object}
-   * @private
-   */
-  VolumeBar.prototype.options_ = {
-    children: ['volumeLevel'],
-    barName: 'volumeLevel'
-  };
-
-  // MouseVolumeLevelDisplay tooltip should not be added to a player on mobile devices
-  if (!IS_IOS && !IS_ANDROID) {
-    VolumeBar.prototype.options_.children.splice(0, 0, 'mouseVolumeLevelDisplay');
-  }
-
-  /**
-   * Call the update event for this Slider when this event happens on the player.
-   *
-   * @type {string}
-   */
-  VolumeBar.prototype.playerEvent = 'volumechange';
-  Component.registerComponent('VolumeBar', VolumeBar);
-
-  /**
-   * @file volume-control.js
-   */
-
-  /**
-   * The component for controlling the volume level
-   *
-   * @extends Component
-   */
-  class VolumeControl extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     */
-    constructor(player, options = {}) {
-      options.vertical = options.vertical || false;
-
-      // Pass the vertical option down to the VolumeBar if
-      // the VolumeBar is turned on.
-      if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
-        options.volumeBar = options.volumeBar || {};
-        options.volumeBar.vertical = options.vertical;
-      }
-      super(player, options);
-
-      // hide this control if volume support is missing
-      checkVolumeSupport(this, player);
-      this.throttledHandleMouseMove = throttle(bind_(this, this.handleMouseMove), UPDATE_REFRESH_INTERVAL);
-      this.handleMouseUpHandler_ = e => this.handleMouseUp(e);
-      this.on('mousedown', e => this.handleMouseDown(e));
-      this.on('touchstart', e => this.handleMouseDown(e));
-      this.on('mousemove', e => this.handleMouseMove(e));
-
-      // while the slider is active (the mouse has been pressed down and
-      // is dragging) or in focus we do not want to hide the VolumeBar
-      this.on(this.volumeBar, ['focus', 'slideractive'], () => {
-        this.volumeBar.addClass('vjs-slider-active');
-        this.addClass('vjs-slider-active');
-        this.trigger('slideractive');
-      });
-      this.on(this.volumeBar, ['blur', 'sliderinactive'], () => {
-        this.volumeBar.removeClass('vjs-slider-active');
-        this.removeClass('vjs-slider-active');
-        this.trigger('sliderinactive');
-      });
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      let orientationClass = 'vjs-volume-horizontal';
-      if (this.options_.vertical) {
-        orientationClass = 'vjs-volume-vertical';
-      }
-      return super.createEl('div', {
-        className: `vjs-volume-control vjs-control ${orientationClass}`
-      });
-    }
-
-    /**
-     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
-     *
-     * @param {Event} event
-     *        `mousedown` or `touchstart` event that triggered this function
-     *
-     * @listens mousedown
-     * @listens touchstart
-     */
-    handleMouseDown(event) {
-      const doc = this.el_.ownerDocument;
-      this.on(doc, 'mousemove', this.throttledHandleMouseMove);
-      this.on(doc, 'touchmove', this.throttledHandleMouseMove);
-      this.on(doc, 'mouseup', this.handleMouseUpHandler_);
-      this.on(doc, 'touchend', this.handleMouseUpHandler_);
-    }
-
-    /**
-     * Handle `mouseup` or `touchend` events on the `VolumeControl`.
-     *
-     * @param {Event} event
-     *        `mouseup` or `touchend` event that triggered this function.
-     *
-     * @listens touchend
-     * @listens mouseup
-     */
-    handleMouseUp(event) {
-      const doc = this.el_.ownerDocument;
-      this.off(doc, 'mousemove', this.throttledHandleMouseMove);
-      this.off(doc, 'touchmove', this.throttledHandleMouseMove);
-      this.off(doc, 'mouseup', this.handleMouseUpHandler_);
-      this.off(doc, 'touchend', this.handleMouseUpHandler_);
-    }
-
-    /**
-     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
-     *
-     * @param {Event} event
-     *        `mousedown` or `touchstart` event that triggered this function
-     *
-     * @listens mousedown
-     * @listens touchstart
-     */
-    handleMouseMove(event) {
-      this.volumeBar.handleMouseMove(event);
-    }
-  }
-
-  /**
-   * Default options for the `VolumeControl`
-   *
-   * @type {Object}
-   * @private
-   */
-  VolumeControl.prototype.options_ = {
-    children: ['volumeBar']
-  };
-  Component.registerComponent('VolumeControl', VolumeControl);
-
-  /**
-   * Check if muting volume is supported and if it isn't hide the mute toggle
-   * button.
-   *
-   * @param { import('../../component').default } self
-   *        A reference to the mute toggle button
-   *
-   * @param { import('../../player').default } player
-   *        A reference to the player
-   *
-   * @private
-   */
-  const checkMuteSupport = function (self, player) {
-    // hide mute toggle button if it's not supported by the current tech
-    if (player.tech_ && !player.tech_.featuresMuteControl) {
-      self.addClass('vjs-hidden');
-    }
-    self.on(player, 'loadstart', function () {
-      if (!player.tech_.featuresMuteControl) {
-        self.addClass('vjs-hidden');
-      } else {
-        self.removeClass('vjs-hidden');
-      }
-    });
-  };
-
-  /**
-   * @file mute-toggle.js
-   */
-
-  /**
-   * A button component for muting the audio.
-   *
-   * @extends Button
-   */
-  class MuteToggle extends Button {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-
-      // hide this control if volume support is missing
-      checkMuteSupport(this, player);
-      this.on(player, ['loadstart', 'volumechange'], e => this.update(e));
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-mute-control ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * This gets called when an `MuteToggle` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      const vol = this.player_.volume();
-      const lastVolume = this.player_.lastVolume_();
-      if (vol === 0) {
-        const volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
-        this.player_.volume(volumeToSet);
-        this.player_.muted(false);
-      } else {
-        this.player_.muted(this.player_.muted() ? false : true);
-      }
-    }
-
-    /**
-     * Update the `MuteToggle` button based on the state of `volume` and `muted`
-     * on the player.
-     *
-     * @param {Event} [event]
-     *        The {@link Player#loadstart} event if this function was called
-     *        through an event.
-     *
-     * @listens Player#loadstart
-     * @listens Player#volumechange
-     */
-    update(event) {
-      this.updateIcon_();
-      this.updateControlText_();
-    }
-
-    /**
-     * Update the appearance of the `MuteToggle` icon.
-     *
-     * Possible states (given `level` variable below):
-     * - 0: crossed out
-     * - 1: zero bars of volume
-     * - 2: one bar of volume
-     * - 3: two bars of volume
-     *
-     * @private
-     */
-    updateIcon_() {
-      const vol = this.player_.volume();
-      let level = 3;
-      this.setIcon('volume-high');
-
-      // in iOS when a player is loaded with muted attribute
-      // and volume is changed with a native mute button
-      // we want to make sure muted state is updated
-      if (IS_IOS && this.player_.tech_ && this.player_.tech_.el_) {
-        this.player_.muted(this.player_.tech_.el_.muted);
-      }
-      if (vol === 0 || this.player_.muted()) {
-        this.setIcon('volume-mute');
-        level = 0;
-      } else if (vol < 0.33) {
-        this.setIcon('volume-low');
-        level = 1;
-      } else if (vol < 0.67) {
-        this.setIcon('volume-medium');
-        level = 2;
-      }
-      removeClass(this.el_, [0, 1, 2, 3].reduce((str, i) => str + `${i ? ' ' : ''}vjs-vol-${i}`, ''));
-      addClass(this.el_, `vjs-vol-${level}`);
-    }
-
-    /**
-     * If `muted` has changed on the player, update the control text
-     * (`title` attribute on `vjs-mute-control` element and content of
-     * `vjs-control-text` element).
-     *
-     * @private
-     */
-    updateControlText_() {
-      const soundOff = this.player_.muted() || this.player_.volume() === 0;
-      const text = soundOff ? 'Unmute' : 'Mute';
-      if (this.controlText() !== text) {
-        this.controlText(text);
-      }
-    }
-  }
-
-  /**
-   * The text that should display over the `MuteToggle`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  MuteToggle.prototype.controlText_ = 'Mute';
-  Component.registerComponent('MuteToggle', MuteToggle);
-
-  /**
-   * @file volume-control.js
-   */
-
-  /**
-   * A Component to contain the MuteToggle and VolumeControl so that
-   * they can work together.
-   *
-   * @extends Component
-   */
-  class VolumePanel extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     */
-    constructor(player, options = {}) {
-      if (typeof options.inline !== 'undefined') {
-        options.inline = options.inline;
-      } else {
-        options.inline = true;
-      }
-
-      // pass the inline option down to the VolumeControl as vertical if
-      // the VolumeControl is on.
-      if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
-        options.volumeControl = options.volumeControl || {};
-        options.volumeControl.vertical = !options.inline;
-      }
-      super(player, options);
-
-      // this handler is used by mouse handler methods below
-      this.handleKeyPressHandler_ = e => this.handleKeyPress(e);
-      this.on(player, ['loadstart'], e => this.volumePanelState_(e));
-      this.on(this.muteToggle, 'keyup', e => this.handleKeyPress(e));
-      this.on(this.volumeControl, 'keyup', e => this.handleVolumeControlKeyUp(e));
-      this.on('keydown', e => this.handleKeyPress(e));
-      this.on('mouseover', e => this.handleMouseOver(e));
-      this.on('mouseout', e => this.handleMouseOut(e));
-
-      // while the slider is active (the mouse has been pressed down and
-      // is dragging) we do not want to hide the VolumeBar
-      this.on(this.volumeControl, ['slideractive'], this.sliderActive_);
-      this.on(this.volumeControl, ['sliderinactive'], this.sliderInactive_);
-    }
-
-    /**
-     * Add vjs-slider-active class to the VolumePanel
-     *
-     * @listens VolumeControl#slideractive
-     * @private
-     */
-    sliderActive_() {
-      this.addClass('vjs-slider-active');
-    }
-
-    /**
-     * Removes vjs-slider-active class to the VolumePanel
-     *
-     * @listens VolumeControl#sliderinactive
-     * @private
-     */
-    sliderInactive_() {
-      this.removeClass('vjs-slider-active');
-    }
-
-    /**
-     * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel
-     * depending on MuteToggle and VolumeControl state
-     *
-     * @listens Player#loadstart
-     * @private
-     */
-    volumePanelState_() {
-      // hide volume panel if neither volume control or mute toggle
-      // are displayed
-      if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {
-        this.addClass('vjs-hidden');
-      }
-
-      // if only mute toggle is visible we don't want
-      // volume panel expanding when hovered or active
-      if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {
-        this.addClass('vjs-mute-toggle-only');
-      }
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      let orientationClass = 'vjs-volume-panel-horizontal';
-      if (!this.options_.inline) {
-        orientationClass = 'vjs-volume-panel-vertical';
-      }
-      return super.createEl('div', {
-        className: `vjs-volume-panel vjs-control ${orientationClass}`
-      });
-    }
-
-    /**
-     * Dispose of the `volume-panel` and all child components.
-     */
-    dispose() {
-      this.handleMouseOut();
-      super.dispose();
-    }
-
-    /**
-     * Handles `keyup` events on the `VolumeControl`, looking for ESC, which closes
-     * the volume panel and sets focus on `MuteToggle`.
-     *
-     * @param {Event} event
-     *        The `keyup` event that caused this function to be called.
-     *
-     * @listens keyup
-     */
-    handleVolumeControlKeyUp(event) {
-      if (keycode.isEventKey(event, 'Esc')) {
-        this.muteToggle.focus();
-      }
-    }
-
-    /**
-     * This gets called when a `VolumePanel` gains hover via a `mouseover` event.
-     * Turns on listening for `mouseover` event. When they happen it
-     * calls `this.handleMouseOver`.
-     *
-     * @param {Event} event
-     *        The `mouseover` event that caused this function to be called.
-     *
-     * @listens mouseover
-     */
-    handleMouseOver(event) {
-      this.addClass('vjs-hover');
-      on(document, 'keyup', this.handleKeyPressHandler_);
-    }
-
-    /**
-     * This gets called when a `VolumePanel` gains hover via a `mouseout` event.
-     * Turns on listening for `mouseout` event. When they happen it
-     * calls `this.handleMouseOut`.
-     *
-     * @param {Event} event
-     *        The `mouseout` event that caused this function to be called.
-     *
-     * @listens mouseout
-     */
-    handleMouseOut(event) {
-      this.removeClass('vjs-hover');
-      off(document, 'keyup', this.handleKeyPressHandler_);
-    }
-
-    /**
-     * Handles `keyup` event on the document or `keydown` event on the `VolumePanel`,
-     * looking for ESC, which hides the `VolumeControl`.
-     *
-     * @param {Event} event
-     *        The keypress that triggered this event.
-     *
-     * @listens keydown | keyup
-     */
-    handleKeyPress(event) {
-      if (keycode.isEventKey(event, 'Esc')) {
-        this.handleMouseOut();
-      }
-    }
-  }
-
-  /**
-   * Default options for the `VolumeControl`
-   *
-   * @type {Object}
-   * @private
-   */
-  VolumePanel.prototype.options_ = {
-    children: ['muteToggle', 'volumeControl']
-  };
-  Component.registerComponent('VolumePanel', VolumePanel);
-
-  /**
-   * Button to skip forward a configurable amount of time
-   * through a video. Renders in the control bar.
-   *
-   * e.g. options: {controlBar: {skipButtons: forward: 5}}
-   *
-   * @extends Button
-   */
-  class SkipForward extends Button {
-    constructor(player, options) {
-      super(player, options);
-      this.validOptions = [5, 10, 30];
-      this.skipTime = this.getSkipForwardTime();
-      if (this.skipTime && this.validOptions.includes(this.skipTime)) {
-        this.setIcon(`forward-${this.skipTime}`);
-        this.controlText(this.localize('Skip forward {1} seconds', [this.skipTime.toLocaleString(player.language())]));
-        this.show();
-      } else {
-        this.hide();
-      }
-    }
-    getSkipForwardTime() {
-      const playerOptions = this.options_.playerOptions;
-      return playerOptions.controlBar && playerOptions.controlBar.skipButtons && playerOptions.controlBar.skipButtons.forward;
-    }
-    buildCSSClass() {
-      return `vjs-skip-forward-${this.getSkipForwardTime()} ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * On click, skips forward in the duration/seekable range by a configurable amount of seconds.
-     * If the time left in the duration/seekable range is less than the configured 'skip forward' time,
-     * skips to end of duration/seekable range.
-     *
-     * Handle a click on a `SkipForward` button
-     *
-     * @param {EventTarget~Event} event
-     *        The `click` event that caused this function
-     *        to be called
-     */
-    handleClick(event) {
-      if (isNaN(this.player_.duration())) {
-        return;
-      }
-      const currentVideoTime = this.player_.currentTime();
-      const liveTracker = this.player_.liveTracker;
-      const duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : this.player_.duration();
-      let newTime;
-      if (currentVideoTime + this.skipTime <= duration) {
-        newTime = currentVideoTime + this.skipTime;
-      } else {
-        newTime = duration;
-      }
-      this.player_.currentTime(newTime);
-    }
-
-    /**
-     * Update control text on languagechange
-     */
-    handleLanguagechange() {
-      this.controlText(this.localize('Skip forward {1} seconds', [this.skipTime]));
-    }
-  }
-  SkipForward.prototype.controlText_ = 'Skip Forward';
-  Component.registerComponent('SkipForward', SkipForward);
-
-  /**
-   * Button to skip backward a configurable amount of time
-   * through a video. Renders in the control bar.
-   *
-   *  * e.g. options: {controlBar: {skipButtons: backward: 5}}
-   *
-   * @extends Button
-   */
-  class SkipBackward extends Button {
-    constructor(player, options) {
-      super(player, options);
-      this.validOptions = [5, 10, 30];
-      this.skipTime = this.getSkipBackwardTime();
-      if (this.skipTime && this.validOptions.includes(this.skipTime)) {
-        this.setIcon(`replay-${this.skipTime}`);
-        this.controlText(this.localize('Skip backward {1} seconds', [this.skipTime.toLocaleString(player.language())]));
-        this.show();
-      } else {
-        this.hide();
-      }
-    }
-    getSkipBackwardTime() {
-      const playerOptions = this.options_.playerOptions;
-      return playerOptions.controlBar && playerOptions.controlBar.skipButtons && playerOptions.controlBar.skipButtons.backward;
-    }
-    buildCSSClass() {
-      return `vjs-skip-backward-${this.getSkipBackwardTime()} ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * On click, skips backward in the video by a configurable amount of seconds.
-     * If the current time in the video is less than the configured 'skip backward' time,
-     * skips to beginning of video or seekable range.
-     *
-     * Handle a click on a `SkipBackward` button
-     *
-     * @param {EventTarget~Event} event
-     *        The `click` event that caused this function
-     *        to be called
-     */
-    handleClick(event) {
-      const currentVideoTime = this.player_.currentTime();
-      const liveTracker = this.player_.liveTracker;
-      const seekableStart = liveTracker && liveTracker.isLive() && liveTracker.seekableStart();
-      let newTime;
-      if (seekableStart && currentVideoTime - this.skipTime <= seekableStart) {
-        newTime = seekableStart;
-      } else if (currentVideoTime >= this.skipTime) {
-        newTime = currentVideoTime - this.skipTime;
-      } else {
-        newTime = 0;
-      }
-      this.player_.currentTime(newTime);
-    }
-
-    /**
-     * Update control text on languagechange
-     */
-    handleLanguagechange() {
-      this.controlText(this.localize('Skip backward {1} seconds', [this.skipTime]));
-    }
-  }
-  SkipBackward.prototype.controlText_ = 'Skip Backward';
-  Component.registerComponent('SkipBackward', SkipBackward);
-
-  /**
-   * @file menu.js
-   */
-
-  /**
-   * The Menu component is used to build popup menus, including subtitle and
-   * captions selection menus.
-   *
-   * @extends Component
-   */
-  class Menu extends Component {
-    /**
-     * Create an instance of this class.
-     *
-     * @param { import('../player').default } player
-     *        the player that this component should attach to
-     *
-     * @param {Object} [options]
-     *        Object of option names and values
-     *
-     */
-    constructor(player, options) {
-      super(player, options);
-      if (options) {
-        this.menuButton_ = options.menuButton;
-      }
-      this.focusedChild_ = -1;
-      this.on('keydown', e => this.handleKeyDown(e));
-
-      // All the menu item instances share the same blur handler provided by the menu container.
-      this.boundHandleBlur_ = e => this.handleBlur(e);
-      this.boundHandleTapClick_ = e => this.handleTapClick(e);
-    }
-
-    /**
-     * Add event listeners to the {@link MenuItem}.
-     *
-     * @param {Object} component
-     *        The instance of the `MenuItem` to add listeners to.
-     *
-     */
-    addEventListenerForItem(component) {
-      if (!(component instanceof Component)) {
-        return;
-      }
-      this.on(component, 'blur', this.boundHandleBlur_);
-      this.on(component, ['tap', 'click'], this.boundHandleTapClick_);
-    }
-
-    /**
-     * Remove event listeners from the {@link MenuItem}.
-     *
-     * @param {Object} component
-     *        The instance of the `MenuItem` to remove listeners.
-     *
-     */
-    removeEventListenerForItem(component) {
-      if (!(component instanceof Component)) {
-        return;
-      }
-      this.off(component, 'blur', this.boundHandleBlur_);
-      this.off(component, ['tap', 'click'], this.boundHandleTapClick_);
-    }
-
-    /**
-     * This method will be called indirectly when the component has been added
-     * before the component adds to the new menu instance by `addItem`.
-     * In this case, the original menu instance will remove the component
-     * by calling `removeChild`.
-     *
-     * @param {Object} component
-     *        The instance of the `MenuItem`
-     */
-    removeChild(component) {
-      if (typeof component === 'string') {
-        component = this.getChild(component);
-      }
-      this.removeEventListenerForItem(component);
-      super.removeChild(component);
-    }
-
-    /**
-     * Add a {@link MenuItem} to the menu.
-     *
-     * @param {Object|string} component
-     *        The name or instance of the `MenuItem` to add.
-     *
-     */
-    addItem(component) {
-      const childComponent = this.addChild(component);
-      if (childComponent) {
-        this.addEventListenerForItem(childComponent);
-      }
-    }
-
-    /**
-     * Create the `Menu`s DOM element.
-     *
-     * @return {Element}
-     *         the element that was created
-     */
-    createEl() {
-      const contentElType = this.options_.contentElType || 'ul';
-      this.contentEl_ = createEl(contentElType, {
-        className: 'vjs-menu-content'
-      });
-      this.contentEl_.setAttribute('role', 'menu');
-      const el = super.createEl('div', {
-        append: this.contentEl_,
-        className: 'vjs-menu'
-      });
-      el.appendChild(this.contentEl_);
-
-      // Prevent clicks from bubbling up. Needed for Menu Buttons,
-      // where a click on the parent is significant
-      on(el, 'click', function (event) {
-        event.preventDefault();
-        event.stopImmediatePropagation();
-      });
-      return el;
-    }
-    dispose() {
-      this.contentEl_ = null;
-      this.boundHandleBlur_ = null;
-      this.boundHandleTapClick_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Called when a `MenuItem` loses focus.
-     *
-     * @param {Event} event
-     *        The `blur` event that caused this function to be called.
-     *
-     * @listens blur
-     */
-    handleBlur(event) {
-      const relatedTarget = event.relatedTarget || document.activeElement;
-
-      // Close menu popup when a user clicks outside the menu
-      if (!this.children().some(element => {
-        return element.el() === relatedTarget;
-      })) {
-        const btn = this.menuButton_;
-        if (btn && btn.buttonPressed_ && relatedTarget !== btn.el().firstChild) {
-          btn.unpressButton();
-        }
-      }
-    }
-
-    /**
-     * Called when a `MenuItem` gets clicked or tapped.
-     *
-     * @param {Event} event
-     *        The `click` or `tap` event that caused this function to be called.
-     *
-     * @listens click,tap
-     */
-    handleTapClick(event) {
-      // Unpress the associated MenuButton, and move focus back to it
-      if (this.menuButton_) {
-        this.menuButton_.unpressButton();
-        const childComponents = this.children();
-        if (!Array.isArray(childComponents)) {
-          return;
-        }
-        const foundComponent = childComponents.filter(component => component.el() === event.target)[0];
-        if (!foundComponent) {
-          return;
-        }
-
-        // don't focus menu button if item is a caption settings item
-        // because focus will move elsewhere
-        if (foundComponent.name() !== 'CaptionSettingsMenuItem') {
-          this.menuButton_.focus();
-        }
-      }
-    }
-
-    /**
-     * Handle a `keydown` event on this menu. This listener is added in the constructor.
-     *
-     * @param {KeyboardEvent} event
-     *        A `keydown` event that happened on the menu.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Left and Down Arrows
-      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.stepForward();
-
-        // Up and Right Arrows
-      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.stepBack();
-      }
-    }
-
-    /**
-     * Move to next (lower) menu item for keyboard users.
-     */
-    stepForward() {
-      let stepChild = 0;
-      if (this.focusedChild_ !== undefined) {
-        stepChild = this.focusedChild_ + 1;
-      }
-      this.focus(stepChild);
-    }
-
-    /**
-     * Move to previous (higher) menu item for keyboard users.
-     */
-    stepBack() {
-      let stepChild = 0;
-      if (this.focusedChild_ !== undefined) {
-        stepChild = this.focusedChild_ - 1;
-      }
-      this.focus(stepChild);
-    }
-
-    /**
-     * Set focus on a {@link MenuItem} in the `Menu`.
-     *
-     * @param {Object|string} [item=0]
-     *        Index of child item set focus on.
-     */
-    focus(item = 0) {
-      const children = this.children().slice();
-      const haveTitle = children.length && children[0].hasClass('vjs-menu-title');
-      if (haveTitle) {
-        children.shift();
-      }
-      if (children.length > 0) {
-        if (item < 0) {
-          item = 0;
-        } else if (item >= children.length) {
-          item = children.length - 1;
-        }
-        this.focusedChild_ = item;
-        children[item].el_.focus();
-      }
-    }
-  }
-  Component.registerComponent('Menu', Menu);
-
-  /**
-   * @file menu-button.js
-   */
-
-  /**
-   * A `MenuButton` class for any popup {@link Menu}.
-   *
-   * @extends Component
-   */
-  class MenuButton extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     */
-    constructor(player, options = {}) {
-      super(player, options);
-      this.menuButton_ = new Button(player, options);
-      this.menuButton_.controlText(this.controlText_);
-      this.menuButton_.el_.setAttribute('aria-haspopup', 'true');
-
-      // Add buildCSSClass values to the button, not the wrapper
-      const buttonClass = Button.prototype.buildCSSClass();
-      this.menuButton_.el_.className = this.buildCSSClass() + ' ' + buttonClass;
-      this.menuButton_.removeClass('vjs-control');
-      this.addChild(this.menuButton_);
-      this.update();
-      this.enabled_ = true;
-      const handleClick = e => this.handleClick(e);
-      this.handleMenuKeyUp_ = e => this.handleMenuKeyUp(e);
-      this.on(this.menuButton_, 'tap', handleClick);
-      this.on(this.menuButton_, 'click', handleClick);
-      this.on(this.menuButton_, 'keydown', e => this.handleKeyDown(e));
-      this.on(this.menuButton_, 'mouseenter', () => {
-        this.addClass('vjs-hover');
-        this.menu.show();
-        on(document, 'keyup', this.handleMenuKeyUp_);
-      });
-      this.on('mouseleave', e => this.handleMouseLeave(e));
-      this.on('keydown', e => this.handleSubmenuKeyDown(e));
-    }
-
-    /**
-     * Update the menu based on the current state of its items.
-     */
-    update() {
-      const menu = this.createMenu();
-      if (this.menu) {
-        this.menu.dispose();
-        this.removeChild(this.menu);
-      }
-      this.menu = menu;
-      this.addChild(menu);
-
-      /**
-       * Track the state of the menu button
-       *
-       * @type {Boolean}
-       * @private
-       */
-      this.buttonPressed_ = false;
-      this.menuButton_.el_.setAttribute('aria-expanded', 'false');
-      if (this.items && this.items.length <= this.hideThreshold_) {
-        this.hide();
-        this.menu.contentEl_.removeAttribute('role');
-      } else {
-        this.show();
-        this.menu.contentEl_.setAttribute('role', 'menu');
-      }
-    }
-
-    /**
-     * Create the menu and add all items to it.
-     *
-     * @return {Menu}
-     *         The constructed menu
-     */
-    createMenu() {
-      const menu = new Menu(this.player_, {
-        menuButton: this
-      });
-
-      /**
-       * Hide the menu if the number of items is less than or equal to this threshold. This defaults
-       * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
-       * it here because every time we run `createMenu` we need to reset the value.
-       *
-       * @protected
-       * @type {Number}
-       */
-      this.hideThreshold_ = 0;
-
-      // Add a title list item to the top
-      if (this.options_.title) {
-        const titleEl = createEl('li', {
-          className: 'vjs-menu-title',
-          textContent: toTitleCase(this.options_.title),
-          tabIndex: -1
-        });
-        const titleComponent = new Component(this.player_, {
-          el: titleEl
-        });
-        menu.addItem(titleComponent);
-      }
-      this.items = this.createItems();
-      if (this.items) {
-        // Add menu items to the menu
-        for (let i = 0; i < this.items.length; i++) {
-          menu.addItem(this.items[i]);
-        }
-      }
-      return menu;
-    }
-
-    /**
-     * Create the list of menu items. Specific to each subclass.
-     *
-     * @abstract
-     */
-    createItems() {}
-
-    /**
-     * Create the `MenuButtons`s DOM element.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: this.buildWrapperCSSClass()
-      }, {});
-    }
-
-    /**
-     * Overwrites the `setIcon` method from `Component`.
-     * In this case, we want the icon to be appended to the menuButton.
-     *
-     * @param {string} name
-     *         The icon name to be added.
-     */
-    setIcon(name) {
-      super.setIcon(name, this.menuButton_.el_);
-    }
-
-    /**
-     * Allow sub components to stack CSS class names for the wrapper element
-     *
-     * @return {string}
-     *         The constructed wrapper DOM `className`
-     */
-    buildWrapperCSSClass() {
-      let menuButtonClass = 'vjs-menu-button';
-
-      // If the inline option is passed, we want to use different styles altogether.
-      if (this.options_.inline === true) {
-        menuButtonClass += '-inline';
-      } else {
-        menuButtonClass += '-popup';
-      }
-
-      // TODO: Fix the CSS so that this isn't necessary
-      const buttonClass = Button.prototype.buildCSSClass();
-      return `vjs-menu-button ${menuButtonClass} ${buttonClass} ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      let menuButtonClass = 'vjs-menu-button';
-
-      // If the inline option is passed, we want to use different styles altogether.
-      if (this.options_.inline === true) {
-        menuButtonClass += '-inline';
-      } else {
-        menuButtonClass += '-popup';
-      }
-      return `vjs-menu-button ${menuButtonClass} ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Get or set the localized control text that will be used for accessibility.
-     *
-     * > NOTE: This will come from the internal `menuButton_` element.
-     *
-     * @param {string} [text]
-     *        Control text for element.
-     *
-     * @param {Element} [el=this.menuButton_.el()]
-     *        Element to set the title on.
-     *
-     * @return {string}
-     *         - The control text when getting
-     */
-    controlText(text, el = this.menuButton_.el()) {
-      return this.menuButton_.controlText(text, el);
-    }
-
-    /**
-     * Dispose of the `menu-button` and all child components.
-     */
-    dispose() {
-      this.handleMouseLeave();
-      super.dispose();
-    }
-
-    /**
-     * Handle a click on a `MenuButton`.
-     * See {@link ClickableComponent#handleClick} for instances where this is called.
-     *
-     * @param {Event} event
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      if (this.buttonPressed_) {
-        this.unpressButton();
-      } else {
-        this.pressButton();
-      }
-    }
-
-    /**
-     * Handle `mouseleave` for `MenuButton`.
-     *
-     * @param {Event} event
-     *        The `mouseleave` event that caused this function to be called.
-     *
-     * @listens mouseleave
-     */
-    handleMouseLeave(event) {
-      this.removeClass('vjs-hover');
-      off(document, 'keyup', this.handleMenuKeyUp_);
-    }
-
-    /**
-     * Set the focus to the actual button, not to this element
-     */
-    focus() {
-      this.menuButton_.focus();
-    }
-
-    /**
-     * Remove the focus from the actual button, not this element
-     */
-    blur() {
-      this.menuButton_.blur();
-    }
-
-    /**
-     * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
-     * {@link ClickableComponent#handleKeyDown} for instances where this is called.
-     *
-     * @param {Event} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      // Escape or Tab unpress the 'button'
-      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {
-        if (this.buttonPressed_) {
-          this.unpressButton();
-        }
-
-        // Don't preventDefault for Tab key - we still want to lose focus
-        if (!keycode.isEventKey(event, 'Tab')) {
-          event.preventDefault();
-          // Set focus back to the menu button's button
-          this.menuButton_.focus();
-        }
-        // Up Arrow or Down Arrow also 'press' the button to open the menu
-      } else if (keycode.isEventKey(event, 'Up') || keycode.isEventKey(event, 'Down')) {
-        if (!this.buttonPressed_) {
-          event.preventDefault();
-          this.pressButton();
-        }
-      }
-    }
-
-    /**
-     * Handle a `keyup` event on a `MenuButton`. The listener for this is added in
-     * the constructor.
-     *
-     * @param {Event} event
-     *        Key press event
-     *
-     * @listens keyup
-     */
-    handleMenuKeyUp(event) {
-      // Escape hides popup menu
-      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {
-        this.removeClass('vjs-hover');
-      }
-    }
-
-    /**
-     * This method name now delegates to `handleSubmenuKeyDown`. This means
-     * anyone calling `handleSubmenuKeyPress` will not see their method calls
-     * stop working.
-     *
-     * @param {Event} event
-     *        The event that caused this function to be called.
-     */
-    handleSubmenuKeyPress(event) {
-      this.handleSubmenuKeyDown(event);
-    }
-
-    /**
-     * Handle a `keydown` event on a sub-menu. The listener for this is added in
-     * the constructor.
-     *
-     * @param {Event} event
-     *        Key press event
-     *
-     * @listens keydown
-     */
-    handleSubmenuKeyDown(event) {
-      // Escape or Tab unpress the 'button'
-      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {
-        if (this.buttonPressed_) {
-          this.unpressButton();
-        }
-        // Don't preventDefault for Tab key - we still want to lose focus
-        if (!keycode.isEventKey(event, 'Tab')) {
-          event.preventDefault();
-          // Set focus back to the menu button's button
-          this.menuButton_.focus();
-        }
-      }
-    }
-
-    /**
-     * Put the current `MenuButton` into a pressed state.
-     */
-    pressButton() {
-      if (this.enabled_) {
-        this.buttonPressed_ = true;
-        this.menu.show();
-        this.menu.lockShowing();
-        this.menuButton_.el_.setAttribute('aria-expanded', 'true');
-
-        // set the focus into the submenu, except on iOS where it is resulting in
-        // undesired scrolling behavior when the player is in an iframe
-        if (IS_IOS && isInFrame()) {
-          // Return early so that the menu isn't focused
-          return;
-        }
-        this.menu.focus();
-      }
-    }
-
-    /**
-     * Take the current `MenuButton` out of a pressed state.
-     */
-    unpressButton() {
-      if (this.enabled_) {
-        this.buttonPressed_ = false;
-        this.menu.unlockShowing();
-        this.menu.hide();
-        this.menuButton_.el_.setAttribute('aria-expanded', 'false');
-      }
-    }
-
-    /**
-     * Disable the `MenuButton`. Don't allow it to be clicked.
-     */
-    disable() {
-      this.unpressButton();
-      this.enabled_ = false;
-      this.addClass('vjs-disabled');
-      this.menuButton_.disable();
-    }
-
-    /**
-     * Enable the `MenuButton`. Allow it to be clicked.
-     */
-    enable() {
-      this.enabled_ = true;
-      this.removeClass('vjs-disabled');
-      this.menuButton_.enable();
-    }
-  }
-  Component.registerComponent('MenuButton', MenuButton);
-
-  /**
-   * @file track-button.js
-   */
-
-  /**
-   * The base class for buttons that toggle specific  track types (e.g. subtitles).
-   *
-   * @extends MenuButton
-   */
-  class TrackButton extends MenuButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      const tracks = options.tracks;
-      super(player, options);
-      if (this.items.length <= 1) {
-        this.hide();
-      }
-      if (!tracks) {
-        return;
-      }
-      const updateHandler = bind_(this, this.update);
-      tracks.addEventListener('removetrack', updateHandler);
-      tracks.addEventListener('addtrack', updateHandler);
-      tracks.addEventListener('labelchange', updateHandler);
-      this.player_.on('ready', updateHandler);
-      this.player_.on('dispose', function () {
-        tracks.removeEventListener('removetrack', updateHandler);
-        tracks.removeEventListener('addtrack', updateHandler);
-        tracks.removeEventListener('labelchange', updateHandler);
-      });
-    }
-  }
-  Component.registerComponent('TrackButton', TrackButton);
-
-  /**
-   * @file menu-keys.js
-   */
-
-  /**
-    * All keys used for operation of a menu (`MenuButton`, `Menu`, and `MenuItem`)
-    * Note that 'Enter' and 'Space' are not included here (otherwise they would
-    * prevent the `MenuButton` and `MenuItem` from being keyboard-clickable)
-   *
-    * @typedef MenuKeys
-    * @array
-    */
-  const MenuKeys = ['Tab', 'Esc', 'Up', 'Down', 'Right', 'Left'];
-
-  /**
-   * @file menu-item.js
-   */
-
-  /**
-   * The component for a menu item. `<li>`
-   *
-   * @extends ClickableComponent
-   */
-  class MenuItem extends ClickableComponent {
-    /**
-     * Creates an instance of the this class.
-     *
-     * @param { import('../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     *
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.selectable = options.selectable;
-      this.isSelected_ = options.selected || false;
-      this.multiSelectable = options.multiSelectable;
-      this.selected(this.isSelected_);
-      if (this.selectable) {
-        if (this.multiSelectable) {
-          this.el_.setAttribute('role', 'menuitemcheckbox');
-        } else {
-          this.el_.setAttribute('role', 'menuitemradio');
-        }
-      } else {
-        this.el_.setAttribute('role', 'menuitem');
-      }
-    }
-
-    /**
-     * Create the `MenuItem's DOM element
-     *
-     * @param {string} [type=li]
-     *        Element's node type, not actually used, always set to `li`.
-     *
-     * @param {Object} [props={}]
-     *        An object of properties that should be set on the element
-     *
-     * @param {Object} [attrs={}]
-     *        An object of attributes that should be set on the element
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl(type, props, attrs) {
-      // The control is textual, not just an icon
-      this.nonIconControl = true;
-      const el = super.createEl('li', Object.assign({
-        className: 'vjs-menu-item',
-        tabIndex: -1
-      }, props), attrs);
-
-      // swap icon with menu item text.
-      const menuItemEl = createEl('span', {
-        className: 'vjs-menu-item-text',
-        textContent: this.localize(this.options_.label)
-      });
-
-      // If using SVG icons, the element with vjs-icon-placeholder will be added separately.
-      if (this.player_.options_.experimentalSvgIcons) {
-        el.appendChild(menuItemEl);
-      } else {
-        el.replaceChild(menuItemEl, el.querySelector('.vjs-icon-placeholder'));
-      }
-      return el;
-    }
-
-    /**
-     * Ignore keys which are used by the menu, but pass any other ones up. See
-     * {@link ClickableComponent#handleKeyDown} for instances where this is called.
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      if (!MenuKeys.some(key => keycode.isEventKey(event, key))) {
-        // Pass keydown handling up for unused keys
-        super.handleKeyDown(event);
-      }
-    }
-
-    /**
-     * Any click on a `MenuItem` puts it into the selected state.
-     * See {@link ClickableComponent#handleClick} for instances where this is called.
-     *
-     * @param {Event} event
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      this.selected(true);
-    }
-
-    /**
-     * Set the state for this menu item as selected or not.
-     *
-     * @param {boolean} selected
-     *        if the menu item is selected or not
-     */
-    selected(selected) {
-      if (this.selectable) {
-        if (selected) {
-          this.addClass('vjs-selected');
-          this.el_.setAttribute('aria-checked', 'true');
-          // aria-checked isn't fully supported by browsers/screen readers,
-          // so indicate selected state to screen reader in the control text.
-          this.controlText(', selected');
-          this.isSelected_ = true;
-        } else {
-          this.removeClass('vjs-selected');
-          this.el_.setAttribute('aria-checked', 'false');
-          // Indicate un-selected state to screen reader
-          this.controlText('');
-          this.isSelected_ = false;
-        }
-      }
-    }
-  }
-  Component.registerComponent('MenuItem', MenuItem);
-
-  /**
-   * @file text-track-menu-item.js
-   */
-
-  /**
-   * The specific menu item type for selecting a language within a text track kind
-   *
-   * @extends MenuItem
-   */
-  class TextTrackMenuItem extends MenuItem {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      const track = options.track;
-      const tracks = player.textTracks();
-
-      // Modify options for parent MenuItem class's init.
-      options.label = track.label || track.language || 'Unknown';
-      options.selected = track.mode === 'showing';
-      super(player, options);
-      this.track = track;
-      // Determine the relevant kind(s) of tracks for this component and filter
-      // out empty kinds.
-      this.kinds = (options.kinds || [options.kind || this.track.kind]).filter(Boolean);
-      const changeHandler = (...args) => {
-        this.handleTracksChange.apply(this, args);
-      };
-      const selectedLanguageChangeHandler = (...args) => {
-        this.handleSelectedLanguageChange.apply(this, args);
-      };
-      player.on(['loadstart', 'texttrackchange'], changeHandler);
-      tracks.addEventListener('change', changeHandler);
-      tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
-      this.on('dispose', function () {
-        player.off(['loadstart', 'texttrackchange'], changeHandler);
-        tracks.removeEventListener('change', changeHandler);
-        tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
-      });
-
-      // iOS7 doesn't dispatch change events to TextTrackLists when an
-      // associated track's mode changes. Without something like
-      // Object.observe() (also not present on iOS7), it's not
-      // possible to detect changes to the mode attribute and polyfill
-      // the change event. As a poor substitute, we manually dispatch
-      // change events whenever the controls modify the mode.
-      if (tracks.onchange === undefined) {
-        let event;
-        this.on(['tap', 'click'], function () {
-          if (typeof window.Event !== 'object') {
-            // Android 2.3 throws an Illegal Constructor error for window.Event
-            try {
-              event = new window.Event('change');
-            } catch (err) {
-              // continue regardless of error
-            }
-          }
-          if (!event) {
-            event = document.createEvent('Event');
-            event.initEvent('change', true, true);
-          }
-          tracks.dispatchEvent(event);
-        });
-      }
-
-      // set the default state based on current tracks
-      this.handleTracksChange();
-    }
-
-    /**
-     * This gets called when an `TextTrackMenuItem` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} event
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      const referenceTrack = this.track;
-      const tracks = this.player_.textTracks();
-      super.handleClick(event);
-      if (!tracks) {
-        return;
-      }
-      for (let i = 0; i < tracks.length; i++) {
-        const track = tracks[i];
-
-        // If the track from the text tracks list is not of the right kind,
-        // skip it. We do not want to affect tracks of incompatible kind(s).
-        if (this.kinds.indexOf(track.kind) === -1) {
-          continue;
-        }
-
-        // If this text track is the component's track and it is not showing,
-        // set it to showing.
-        if (track === referenceTrack) {
-          if (track.mode !== 'showing') {
-            track.mode = 'showing';
-          }
-
-          // If this text track is not the component's track and it is not
-          // disabled, set it to disabled.
-        } else if (track.mode !== 'disabled') {
-          track.mode = 'disabled';
-        }
-      }
-    }
-
-    /**
-     * Handle text track list change
-     *
-     * @param {Event} event
-     *        The `change` event that caused this function to be called.
-     *
-     * @listens TextTrackList#change
-     */
-    handleTracksChange(event) {
-      const shouldBeSelected = this.track.mode === 'showing';
-
-      // Prevent redundant selected() calls because they may cause
-      // screen readers to read the appended control text unnecessarily
-      if (shouldBeSelected !== this.isSelected_) {
-        this.selected(shouldBeSelected);
-      }
-    }
-    handleSelectedLanguageChange(event) {
-      if (this.track.mode === 'showing') {
-        const selectedLanguage = this.player_.cache_.selectedLanguage;
-
-        // Don't replace the kind of track across the same language
-        if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
-          return;
-        }
-        this.player_.cache_.selectedLanguage = {
-          enabled: true,
-          language: this.track.language,
-          kind: this.track.kind
-        };
-      }
-    }
-    dispose() {
-      // remove reference to track object on dispose
-      this.track = null;
-      super.dispose();
-    }
-  }
-  Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
-
-  /**
-   * @file off-text-track-menu-item.js
-   */
-
-  /**
-   * A special menu item for turning off a specific type of text track
-   *
-   * @extends TextTrackMenuItem
-   */
-  class OffTextTrackMenuItem extends TextTrackMenuItem {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      // Create pseudo track info
-      // Requires options['kind']
-      options.track = {
-        player,
-        // it is no longer necessary to store `kind` or `kinds` on the track itself
-        // since they are now stored in the `kinds` property of all instances of
-        // TextTrackMenuItem, but this will remain for backwards compatibility
-        kind: options.kind,
-        kinds: options.kinds,
-        default: false,
-        mode: 'disabled'
-      };
-      if (!options.kinds) {
-        options.kinds = [options.kind];
-      }
-      if (options.label) {
-        options.track.label = options.label;
-      } else {
-        options.track.label = options.kinds.join(' and ') + ' off';
-      }
-
-      // MenuItem is selectable
-      options.selectable = true;
-      // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
-      options.multiSelectable = false;
-      super(player, options);
-    }
-
-    /**
-     * Handle text track change
-     *
-     * @param {Event} event
-     *        The event that caused this function to run
-     */
-    handleTracksChange(event) {
-      const tracks = this.player().textTracks();
-      let shouldBeSelected = true;
-      for (let i = 0, l = tracks.length; i < l; i++) {
-        const track = tracks[i];
-        if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
-          shouldBeSelected = false;
-          break;
-        }
-      }
-
-      // Prevent redundant selected() calls because they may cause
-      // screen readers to read the appended control text unnecessarily
-      if (shouldBeSelected !== this.isSelected_) {
-        this.selected(shouldBeSelected);
-      }
-    }
-    handleSelectedLanguageChange(event) {
-      const tracks = this.player().textTracks();
-      let allHidden = true;
-      for (let i = 0, l = tracks.length; i < l; i++) {
-        const track = tracks[i];
-        if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
-          allHidden = false;
-          break;
-        }
-      }
-      if (allHidden) {
-        this.player_.cache_.selectedLanguage = {
-          enabled: false
-        };
-      }
-    }
-
-    /**
-     * Update control text and label on languagechange
-     */
-    handleLanguagechange() {
-      this.$('.vjs-menu-item-text').textContent = this.player_.localize(this.options_.label);
-      super.handleLanguagechange();
-    }
-  }
-  Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
-
-  /**
-   * @file text-track-button.js
-   */
-
-  /**
-   * The base class for buttons that toggle specific text track types (e.g. subtitles)
-   *
-   * @extends MenuButton
-   */
-  class TextTrackButton extends TrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     */
-    constructor(player, options = {}) {
-      options.tracks = player.textTracks();
-      super(player, options);
-    }
-
-    /**
-     * Create a menu item for each text track
-     *
-     * @param {TextTrackMenuItem[]} [items=[]]
-     *        Existing array of items to use during creation
-     *
-     * @return {TextTrackMenuItem[]}
-     *         Array of menu items that were created
-     */
-    createItems(items = [], TrackMenuItem = TextTrackMenuItem) {
-      // Label is an override for the [track] off label
-      // USed to localise captions/subtitles
-      let label;
-      if (this.label_) {
-        label = `${this.label_} off`;
-      }
-      // Add an OFF menu item to turn all tracks off
-      items.push(new OffTextTrackMenuItem(this.player_, {
-        kinds: this.kinds_,
-        kind: this.kind_,
-        label
-      }));
-      this.hideThreshold_ += 1;
-      const tracks = this.player_.textTracks();
-      if (!Array.isArray(this.kinds_)) {
-        this.kinds_ = [this.kind_];
-      }
-      for (let i = 0; i < tracks.length; i++) {
-        const track = tracks[i];
-
-        // only add tracks that are of an appropriate kind and have a label
-        if (this.kinds_.indexOf(track.kind) > -1) {
-          const item = new TrackMenuItem(this.player_, {
-            track,
-            kinds: this.kinds_,
-            kind: this.kind_,
-            // MenuItem is selectable
-            selectable: true,
-            // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
-            multiSelectable: false
-          });
-          item.addClass(`vjs-${track.kind}-menu-item`);
-          items.push(item);
-        }
-      }
-      return items;
-    }
-  }
-  Component.registerComponent('TextTrackButton', TextTrackButton);
-
-  /**
-   * @file chapters-track-menu-item.js
-   */
-
-  /**
-   * The chapter track menu item
-   *
-   * @extends MenuItem
-   */
-  class ChaptersTrackMenuItem extends MenuItem {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      const track = options.track;
-      const cue = options.cue;
-      const currentTime = player.currentTime();
-
-      // Modify options for parent MenuItem class's init.
-      options.selectable = true;
-      options.multiSelectable = false;
-      options.label = cue.text;
-      options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
-      super(player, options);
-      this.track = track;
-      this.cue = cue;
-    }
-
-    /**
-     * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      super.handleClick();
-      this.player_.currentTime(this.cue.startTime);
-    }
-  }
-  Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
-
-  /**
-   * @file chapters-button.js
-   */
-
-  /**
-   * The button component for toggling and selecting chapters
-   * Chapters act much differently than other text tracks
-   * Cues are navigation vs. other tracks of alternative languages
-   *
-   * @extends TextTrackButton
-   */
-  class ChaptersButton extends TextTrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function to call when this function is ready.
-     */
-    constructor(player, options, ready) {
-      super(player, options, ready);
-      this.setIcon('chapters');
-      this.selectCurrentItem_ = () => {
-        this.items.forEach(item => {
-          item.selected(this.track_.activeCues[0] === item.cue);
-        });
-      };
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-chapters-button ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-chapters-button ${super.buildWrapperCSSClass()}`;
-    }
-
-    /**
-     * Update the menu based on the current state of its items.
-     *
-     * @param {Event} [event]
-     *        An event that triggered this function to run.
-     *
-     * @listens TextTrackList#addtrack
-     * @listens TextTrackList#removetrack
-     * @listens TextTrackList#change
-     */
-    update(event) {
-      if (event && event.track && event.track.kind !== 'chapters') {
-        return;
-      }
-      const track = this.findChaptersTrack();
-      if (track !== this.track_) {
-        this.setTrack(track);
-        super.update();
-      } else if (!this.items || track && track.cues && track.cues.length !== this.items.length) {
-        // Update the menu initially or if the number of cues has changed since set
-        super.update();
-      }
-    }
-
-    /**
-     * Set the currently selected track for the chapters button.
-     *
-     * @param {TextTrack} track
-     *        The new track to select. Nothing will change if this is the currently selected
-     *        track.
-     */
-    setTrack(track) {
-      if (this.track_ === track) {
-        return;
-      }
-      if (!this.updateHandler_) {
-        this.updateHandler_ = this.update.bind(this);
-      }
-
-      // here this.track_ refers to the old track instance
-      if (this.track_) {
-        const remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
-        if (remoteTextTrackEl) {
-          remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
-        }
-        this.track_.removeEventListener('cuechange', this.selectCurrentItem_);
-        this.track_ = null;
-      }
-      this.track_ = track;
-
-      // here this.track_ refers to the new track instance
-      if (this.track_) {
-        this.track_.mode = 'hidden';
-        const remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
-        if (remoteTextTrackEl) {
-          remoteTextTrackEl.addEventListener('load', this.updateHandler_);
-        }
-        this.track_.addEventListener('cuechange', this.selectCurrentItem_);
-      }
-    }
-
-    /**
-     * Find the track object that is currently in use by this ChaptersButton
-     *
-     * @return {TextTrack|undefined}
-     *         The current track or undefined if none was found.
-     */
-    findChaptersTrack() {
-      const tracks = this.player_.textTracks() || [];
-      for (let i = tracks.length - 1; i >= 0; i--) {
-        // We will always choose the last track as our chaptersTrack
-        const track = tracks[i];
-        if (track.kind === this.kind_) {
-          return track;
-        }
-      }
-    }
-
-    /**
-     * Get the caption for the ChaptersButton based on the track label. This will also
-     * use the current tracks localized kind as a fallback if a label does not exist.
-     *
-     * @return {string}
-     *         The tracks current label or the localized track kind.
-     */
-    getMenuCaption() {
-      if (this.track_ && this.track_.label) {
-        return this.track_.label;
-      }
-      return this.localize(toTitleCase(this.kind_));
-    }
-
-    /**
-     * Create menu from chapter track
-     *
-     * @return { import('../../menu/menu').default }
-     *         New menu for the chapter buttons
-     */
-    createMenu() {
-      this.options_.title = this.getMenuCaption();
-      return super.createMenu();
-    }
-
-    /**
-     * Create a menu item for each text track
-     *
-     * @return  { import('./text-track-menu-item').default[] }
-     *         Array of menu items
-     */
-    createItems() {
-      const items = [];
-      if (!this.track_) {
-        return items;
-      }
-      const cues = this.track_.cues;
-      if (!cues) {
-        return items;
-      }
-      for (let i = 0, l = cues.length; i < l; i++) {
-        const cue = cues[i];
-        const mi = new ChaptersTrackMenuItem(this.player_, {
-          track: this.track_,
-          cue
-        });
-        items.push(mi);
-      }
-      return items;
-    }
-  }
-
-  /**
-   * `kind` of TextTrack to look for to associate it with this menu.
-   *
-   * @type {string}
-   * @private
-   */
-  ChaptersButton.prototype.kind_ = 'chapters';
-
-  /**
-   * The text that should display over the `ChaptersButton`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  ChaptersButton.prototype.controlText_ = 'Chapters';
-  Component.registerComponent('ChaptersButton', ChaptersButton);
-
-  /**
-   * @file descriptions-button.js
-   */
-
-  /**
-   * The button component for toggling and selecting descriptions
-   *
-   * @extends TextTrackButton
-   */
-  class DescriptionsButton extends TextTrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function to call when this component is ready.
-     */
-    constructor(player, options, ready) {
-      super(player, options, ready);
-      this.setIcon('audio-description');
-      const tracks = player.textTracks();
-      const changeHandler = bind_(this, this.handleTracksChange);
-      tracks.addEventListener('change', changeHandler);
-      this.on('dispose', function () {
-        tracks.removeEventListener('change', changeHandler);
-      });
-    }
-
-    /**
-     * Handle text track change
-     *
-     * @param {Event} event
-     *        The event that caused this function to run
-     *
-     * @listens TextTrackList#change
-     */
-    handleTracksChange(event) {
-      const tracks = this.player().textTracks();
-      let disabled = false;
-
-      // Check whether a track of a different kind is showing
-      for (let i = 0, l = tracks.length; i < l; i++) {
-        const track = tracks[i];
-        if (track.kind !== this.kind_ && track.mode === 'showing') {
-          disabled = true;
-          break;
-        }
-      }
-
-      // If another track is showing, disable this menu button
-      if (disabled) {
-        this.disable();
-      } else {
-        this.enable();
-      }
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-descriptions-button ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-descriptions-button ${super.buildWrapperCSSClass()}`;
-    }
-  }
-
-  /**
-   * `kind` of TextTrack to look for to associate it with this menu.
-   *
-   * @type {string}
-   * @private
-   */
-  DescriptionsButton.prototype.kind_ = 'descriptions';
-
-  /**
-   * The text that should display over the `DescriptionsButton`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  DescriptionsButton.prototype.controlText_ = 'Descriptions';
-  Component.registerComponent('DescriptionsButton', DescriptionsButton);
-
-  /**
-   * @file subtitles-button.js
-   */
-
-  /**
-   * The button component for toggling and selecting subtitles
-   *
-   * @extends TextTrackButton
-   */
-  class SubtitlesButton extends TextTrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function to call when this component is ready.
-     */
-    constructor(player, options, ready) {
-      super(player, options, ready);
-      this.setIcon('subtitles');
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-subtitles-button ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-subtitles-button ${super.buildWrapperCSSClass()}`;
-    }
-  }
-
-  /**
-   * `kind` of TextTrack to look for to associate it with this menu.
-   *
-   * @type {string}
-   * @private
-   */
-  SubtitlesButton.prototype.kind_ = 'subtitles';
-
-  /**
-   * The text that should display over the `SubtitlesButton`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  SubtitlesButton.prototype.controlText_ = 'Subtitles';
-  Component.registerComponent('SubtitlesButton', SubtitlesButton);
-
-  /**
-   * @file caption-settings-menu-item.js
-   */
-
-  /**
-   * The menu item for caption track settings menu
-   *
-   * @extends TextTrackMenuItem
-   */
-  class CaptionSettingsMenuItem extends TextTrackMenuItem {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      options.track = {
-        player,
-        kind: options.kind,
-        label: options.kind + ' settings',
-        selectable: false,
-        default: false,
-        mode: 'disabled'
-      };
-
-      // CaptionSettingsMenuItem has no concept of 'selected'
-      options.selectable = false;
-      options.name = 'CaptionSettingsMenuItem';
-      super(player, options);
-      this.addClass('vjs-texttrack-settings');
-      this.controlText(', opens ' + options.kind + ' settings dialog');
-    }
-
-    /**
-     * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      this.player().getChild('textTrackSettings').open();
-    }
-
-    /**
-     * Update control text and label on languagechange
-     */
-    handleLanguagechange() {
-      this.$('.vjs-menu-item-text').textContent = this.player_.localize(this.options_.kind + ' settings');
-      super.handleLanguagechange();
-    }
-  }
-  Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
-
-  /**
-   * @file captions-button.js
-   */
-
-  /**
-   * The button component for toggling and selecting captions
-   *
-   * @extends TextTrackButton
-   */
-  class CaptionsButton extends TextTrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function to call when this component is ready.
-     */
-    constructor(player, options, ready) {
-      super(player, options, ready);
-      this.setIcon('captions');
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-captions-button ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-captions-button ${super.buildWrapperCSSClass()}`;
-    }
-
-    /**
-     * Create caption menu items
-     *
-     * @return {CaptionSettingsMenuItem[]}
-     *         The array of current menu items.
-     */
-    createItems() {
-      const items = [];
-      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
-        items.push(new CaptionSettingsMenuItem(this.player_, {
-          kind: this.kind_
-        }));
-        this.hideThreshold_ += 1;
-      }
-      return super.createItems(items);
-    }
-  }
-
-  /**
-   * `kind` of TextTrack to look for to associate it with this menu.
-   *
-   * @type {string}
-   * @private
-   */
-  CaptionsButton.prototype.kind_ = 'captions';
-
-  /**
-   * The text that should display over the `CaptionsButton`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  CaptionsButton.prototype.controlText_ = 'Captions';
-  Component.registerComponent('CaptionsButton', CaptionsButton);
-
-  /**
-   * @file subs-caps-menu-item.js
-   */
-
-  /**
-   * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
-   * in the SubsCapsMenu.
-   *
-   * @extends TextTrackMenuItem
-   */
-  class SubsCapsMenuItem extends TextTrackMenuItem {
-    createEl(type, props, attrs) {
-      const el = super.createEl(type, props, attrs);
-      const parentSpan = el.querySelector('.vjs-menu-item-text');
-      if (this.options_.track.kind === 'captions') {
-        if (this.player_.options_.experimentalSvgIcons) {
-          this.setIcon('captions', el);
-        } else {
-          parentSpan.appendChild(createEl('span', {
-            className: 'vjs-icon-placeholder'
-          }, {
-            'aria-hidden': true
-          }));
-        }
-        parentSpan.appendChild(createEl('span', {
-          className: 'vjs-control-text',
-          // space added as the text will visually flow with the
-          // label
-          textContent: ` ${this.localize('Captions')}`
-        }));
-      }
-      return el;
-    }
-  }
-  Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
-
-  /**
-   * @file sub-caps-button.js
-   */
-
-  /**
-   * The button component for toggling and selecting captions and/or subtitles
-   *
-   * @extends TextTrackButton
-   */
-  class SubsCapsButton extends TextTrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {Function} [ready]
-     *        The function to call when this component is ready.
-     */
-    constructor(player, options = {}) {
-      super(player, options);
-
-      // Although North America uses "captions" in most cases for
-      // "captions and subtitles" other locales use "subtitles"
-      this.label_ = 'subtitles';
-      this.setIcon('subtitles');
-      if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(this.player_.language_) > -1) {
-        this.label_ = 'captions';
-        this.setIcon('captions');
-      }
-      this.menuButton_.controlText(toTitleCase(this.label_));
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-subs-caps-button ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-subs-caps-button ${super.buildWrapperCSSClass()}`;
-    }
-
-    /**
-     * Create caption/subtitles menu items
-     *
-     * @return {CaptionSettingsMenuItem[]}
-     *         The array of current menu items.
-     */
-    createItems() {
-      let items = [];
-      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {
-        items.push(new CaptionSettingsMenuItem(this.player_, {
-          kind: this.label_
-        }));
-        this.hideThreshold_ += 1;
-      }
-      items = super.createItems(items, SubsCapsMenuItem);
-      return items;
-    }
-  }
-
-  /**
-   * `kind`s of TextTrack to look for to associate it with this menu.
-   *
-   * @type {array}
-   * @private
-   */
-  SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
-
-  /**
-   * The text that should display over the `SubsCapsButton`s controls.
-   *
-   *
-   * @type {string}
-   * @protected
-   */
-  SubsCapsButton.prototype.controlText_ = 'Subtitles';
-  Component.registerComponent('SubsCapsButton', SubsCapsButton);
-
-  /**
-   * @file audio-track-menu-item.js
-   */
-
-  /**
-   * An {@link AudioTrack} {@link MenuItem}
-   *
-   * @extends MenuItem
-   */
-  class AudioTrackMenuItem extends MenuItem {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      const track = options.track;
-      const tracks = player.audioTracks();
-
-      // Modify options for parent MenuItem class's init.
-      options.label = track.label || track.language || 'Unknown';
-      options.selected = track.enabled;
-      super(player, options);
-      this.track = track;
-      this.addClass(`vjs-${track.kind}-menu-item`);
-      const changeHandler = (...args) => {
-        this.handleTracksChange.apply(this, args);
-      };
-      tracks.addEventListener('change', changeHandler);
-      this.on('dispose', () => {
-        tracks.removeEventListener('change', changeHandler);
-      });
-    }
-    createEl(type, props, attrs) {
-      const el = super.createEl(type, props, attrs);
-      const parentSpan = el.querySelector('.vjs-menu-item-text');
-      if (['main-desc', 'description'].indexOf(this.options_.track.kind) >= 0) {
-        parentSpan.appendChild(createEl('span', {
-          className: 'vjs-icon-placeholder'
-        }, {
-          'aria-hidden': true
-        }));
-        parentSpan.appendChild(createEl('span', {
-          className: 'vjs-control-text',
-          textContent: ' ' + this.localize('Descriptions')
-        }));
-      }
-      return el;
-    }
-
-    /**
-     * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
-     * for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      super.handleClick(event);
-
-      // the audio track list will automatically toggle other tracks
-      // off for us.
-      this.track.enabled = true;
-
-      // when native audio tracks are used, we want to make sure that other tracks are turned off
-      if (this.player_.tech_.featuresNativeAudioTracks) {
-        const tracks = this.player_.audioTracks();
-        for (let i = 0; i < tracks.length; i++) {
-          const track = tracks[i];
-
-          // skip the current track since we enabled it above
-          if (track === this.track) {
-            continue;
-          }
-          track.enabled = track === this.track;
-        }
-      }
-    }
-
-    /**
-     * Handle any {@link AudioTrack} change.
-     *
-     * @param {Event} [event]
-     *        The {@link AudioTrackList#change} event that caused this to run.
-     *
-     * @listens AudioTrackList#change
-     */
-    handleTracksChange(event) {
-      this.selected(this.track.enabled);
-    }
-  }
-  Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
-
-  /**
-   * @file audio-track-button.js
-   */
-
-  /**
-   * The base class for buttons that toggle specific {@link AudioTrack} types.
-   *
-   * @extends TrackButton
-   */
-  class AudioTrackButton extends TrackButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param {Player} player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options={}]
-     *        The key/value store of player options.
-     */
-    constructor(player, options = {}) {
-      options.tracks = player.audioTracks();
-      super(player, options);
-      this.setIcon('audio');
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-audio-button ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-audio-button ${super.buildWrapperCSSClass()}`;
-    }
-
-    /**
-     * Create a menu item for each audio track
-     *
-     * @param {AudioTrackMenuItem[]} [items=[]]
-     *        An array of existing menu items to use.
-     *
-     * @return {AudioTrackMenuItem[]}
-     *         An array of menu items
-     */
-    createItems(items = []) {
-      // if there's only one audio track, there no point in showing it
-      this.hideThreshold_ = 1;
-      const tracks = this.player_.audioTracks();
-      for (let i = 0; i < tracks.length; i++) {
-        const track = tracks[i];
-        items.push(new AudioTrackMenuItem(this.player_, {
-          track,
-          // MenuItem is selectable
-          selectable: true,
-          // MenuItem is NOT multiSelectable (i.e. only one can be marked "selected" at a time)
-          multiSelectable: false
-        }));
-      }
-      return items;
-    }
-  }
-
-  /**
-   * The text that should display over the `AudioTrackButton`s controls. Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  AudioTrackButton.prototype.controlText_ = 'Audio Track';
-  Component.registerComponent('AudioTrackButton', AudioTrackButton);
-
-  /**
-   * @file playback-rate-menu-item.js
-   */
-
-  /**
-   * The specific menu item type for selecting a playback rate.
-   *
-   * @extends MenuItem
-   */
-  class PlaybackRateMenuItem extends MenuItem {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      const label = options.rate;
-      const rate = parseFloat(label, 10);
-
-      // Modify options for parent MenuItem class's init.
-      options.label = label;
-      options.selected = rate === player.playbackRate();
-      options.selectable = true;
-      options.multiSelectable = false;
-      super(player, options);
-      this.label = label;
-      this.rate = rate;
-      this.on(player, 'ratechange', e => this.update(e));
-    }
-
-    /**
-     * This gets called when an `PlaybackRateMenuItem` is "clicked". See
-     * {@link ClickableComponent} for more detailed information on what a click can be.
-     *
-     * @param {Event} [event]
-     *        The `keydown`, `tap`, or `click` event that caused this function to be
-     *        called.
-     *
-     * @listens tap
-     * @listens click
-     */
-    handleClick(event) {
-      super.handleClick();
-      this.player().playbackRate(this.rate);
-    }
-
-    /**
-     * Update the PlaybackRateMenuItem when the playbackrate changes.
-     *
-     * @param {Event} [event]
-     *        The `ratechange` event that caused this function to run.
-     *
-     * @listens Player#ratechange
-     */
-    update(event) {
-      this.selected(this.player().playbackRate() === this.rate);
-    }
-  }
-
-  /**
-   * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
-   *
-   * @type {string}
-   * @private
-   */
-  PlaybackRateMenuItem.prototype.contentElType = 'button';
-  Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
-
-  /**
-   * @file playback-rate-menu-button.js
-   */
-
-  /**
-   * The component for controlling the playback rate.
-   *
-   * @extends MenuButton
-   */
-  class PlaybackRateMenuButton extends MenuButton {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../../player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.menuButton_.el_.setAttribute('aria-describedby', this.labelElId_);
-      this.updateVisibility();
-      this.updateLabel();
-      this.on(player, 'loadstart', e => this.updateVisibility(e));
-      this.on(player, 'ratechange', e => this.updateLabel(e));
-      this.on(player, 'playbackrateschange', e => this.handlePlaybackRateschange(e));
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      const el = super.createEl();
-      this.labelElId_ = 'vjs-playback-rate-value-label-' + this.id_;
-      this.labelEl_ = createEl('div', {
-        className: 'vjs-playback-rate-value',
-        id: this.labelElId_,
-        textContent: '1x'
-      });
-      el.appendChild(this.labelEl_);
-      return el;
-    }
-    dispose() {
-      this.labelEl_ = null;
-      super.dispose();
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-playback-rate ${super.buildCSSClass()}`;
-    }
-    buildWrapperCSSClass() {
-      return `vjs-playback-rate ${super.buildWrapperCSSClass()}`;
-    }
-
-    /**
-     * Create the list of menu items. Specific to each subclass.
-     *
-     */
-    createItems() {
-      const rates = this.playbackRates();
-      const items = [];
-      for (let i = rates.length - 1; i >= 0; i--) {
-        items.push(new PlaybackRateMenuItem(this.player(), {
-          rate: rates[i] + 'x'
-        }));
-      }
-      return items;
-    }
-
-    /**
-     * On playbackrateschange, update the menu to account for the new items.
-     *
-     * @listens Player#playbackrateschange
-     */
-    handlePlaybackRateschange(event) {
-      this.update();
-    }
-
-    /**
-     * Get possible playback rates
-     *
-     * @return {Array}
-     *         All possible playback rates
-     */
-    playbackRates() {
-      const player = this.player();
-      return player.playbackRates && player.playbackRates() || [];
-    }
-
-    /**
-     * Get whether playback rates is supported by the tech
-     * and an array of playback rates exists
-     *
-     * @return {boolean}
-     *         Whether changing playback rate is supported
-     */
-    playbackRateSupported() {
-      return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
-    }
-
-    /**
-     * Hide playback rate controls when they're no playback rate options to select
-     *
-     * @param {Event} [event]
-     *        The event that caused this function to run.
-     *
-     * @listens Player#loadstart
-     */
-    updateVisibility(event) {
-      if (this.playbackRateSupported()) {
-        this.removeClass('vjs-hidden');
-      } else {
-        this.addClass('vjs-hidden');
-      }
-    }
-
-    /**
-     * Update button label when rate changed
-     *
-     * @param {Event} [event]
-     *        The event that caused this function to run.
-     *
-     * @listens Player#ratechange
-     */
-    updateLabel(event) {
-      if (this.playbackRateSupported()) {
-        this.labelEl_.textContent = this.player().playbackRate() + 'x';
-      }
-    }
-  }
-
-  /**
-   * The text that should display over the `PlaybackRateMenuButton`s controls.
-   *
-   * Added for localization.
-   *
-   * @type {string}
-   * @protected
-   */
-  PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
-  Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
-
-  /**
-   * @file spacer.js
-   */
-
-  /**
-   * Just an empty spacer element that can be used as an append point for plugins, etc.
-   * Also can be used to create space between elements when necessary.
-   *
-   * @extends Component
-   */
-  class Spacer extends Component {
-    /**
-    * Builds the default DOM `className`.
-    *
-    * @return {string}
-    *         The DOM `className` for this object.
-    */
-    buildCSSClass() {
-      return `vjs-spacer ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl(tag = 'div', props = {}, attributes = {}) {
-      if (!props.className) {
-        props.className = this.buildCSSClass();
-      }
-      return super.createEl(tag, props, attributes);
-    }
-  }
-  Component.registerComponent('Spacer', Spacer);
-
-  /**
-   * @file custom-control-spacer.js
-   */
-
-  /**
-   * Spacer specifically meant to be used as an insertion point for new plugins, etc.
-   *
-   * @extends Spacer
-   */
-  class CustomControlSpacer extends Spacer {
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     */
-    buildCSSClass() {
-      return `vjs-custom-control-spacer ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: this.buildCSSClass(),
-        // No-flex/table-cell mode requires there be some content
-        // in the cell to fill the remaining space of the table.
-        textContent: '\u00a0'
-      });
-    }
-  }
-  Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
-
-  /**
-   * @file control-bar.js
-   */
-
-  /**
-   * Container of main controls.
-   *
-   * @extends Component
-   */
-  class ControlBar extends Component {
-    /**
-     * Create the `Component`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      return super.createEl('div', {
-        className: 'vjs-control-bar',
-        dir: 'ltr'
-      });
-    }
-  }
-
-  /**
-   * Default options for `ControlBar`
-   *
-   * @type {Object}
-   * @private
-   */
-  ControlBar.prototype.options_ = {
-    children: ['playToggle', 'skipBackward', 'skipForward', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'seekToLive', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'pictureInPictureToggle', 'fullscreenToggle']
-  };
-  Component.registerComponent('ControlBar', ControlBar);
-
-  /**
-   * @file error-display.js
-   */
-
-  /**
-   * A display that indicates an error has occurred. This means that the video
-   * is unplayable.
-   *
-   * @extends ModalDialog
-   */
-  class ErrorDisplay extends ModalDialog {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param  { import('./player').default } player
-     *         The `Player` that this class should be attached to.
-     *
-     * @param  {Object} [options]
-     *         The key/value store of player options.
-     */
-    constructor(player, options) {
-      super(player, options);
-      this.on(player, 'error', e => {
-        this.open(e);
-      });
-    }
-
-    /**
-     * Builds the default DOM `className`.
-     *
-     * @return {string}
-     *         The DOM `className` for this object.
-     *
-     * @deprecated Since version 5.
-     */
-    buildCSSClass() {
-      return `vjs-error-display ${super.buildCSSClass()}`;
-    }
-
-    /**
-     * Gets the localized error message based on the `Player`s error.
-     *
-     * @return {string}
-     *         The `Player`s error message localized or an empty string.
-     */
-    content() {
-      const error = this.player().error();
-      return error ? this.localize(error.message) : '';
-    }
-  }
-
-  /**
-   * The default options for an `ErrorDisplay`.
-   *
-   * @private
-   */
-  ErrorDisplay.prototype.options_ = Object.assign({}, ModalDialog.prototype.options_, {
-    pauseOnOpen: false,
-    fillAlways: true,
-    temporary: false,
-    uncloseable: true
-  });
-  Component.registerComponent('ErrorDisplay', ErrorDisplay);
-
-  /**
-   * @file text-track-settings.js
-   */
-  const LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
-  const COLOR_BLACK = ['#000', 'Black'];
-  const COLOR_BLUE = ['#00F', 'Blue'];
-  const COLOR_CYAN = ['#0FF', 'Cyan'];
-  const COLOR_GREEN = ['#0F0', 'Green'];
-  const COLOR_MAGENTA = ['#F0F', 'Magenta'];
-  const COLOR_RED = ['#F00', 'Red'];
-  const COLOR_WHITE = ['#FFF', 'White'];
-  const COLOR_YELLOW = ['#FF0', 'Yellow'];
-  const OPACITY_OPAQUE = ['1', 'Opaque'];
-  const OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
-  const OPACITY_TRANS = ['0', 'Transparent'];
-
-  // Configuration for the various <select> elements in the DOM of this component.
-  //
-  // Possible keys include:
-  //
-  // `default`:
-  //   The default option index. Only needs to be provided if not zero.
-  // `parser`:
-  //   A function which is used to parse the value from the selected option in
-  //   a customized way.
-  // `selector`:
-  //   The selector used to find the associated <select> element.
-  const selectConfigs = {
-    backgroundColor: {
-      selector: '.vjs-bg-color > select',
-      id: 'captions-background-color-%s',
-      label: 'Color',
-      options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
-    },
-    backgroundOpacity: {
-      selector: '.vjs-bg-opacity > select',
-      id: 'captions-background-opacity-%s',
-      label: 'Opacity',
-      options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
-    },
-    color: {
-      selector: '.vjs-text-color > select',
-      id: 'captions-foreground-color-%s',
-      label: 'Color',
-      options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
-    },
-    edgeStyle: {
-      selector: '.vjs-edge-style > select',
-      id: '%s',
-      label: 'Text Edge Style',
-      options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Drop shadow']]
-    },
-    fontFamily: {
-      selector: '.vjs-font-family > select',
-      id: 'captions-font-family-%s',
-      label: 'Font Family',
-      options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
-    },
-    fontPercent: {
-      selector: '.vjs-font-percent > select',
-      id: 'captions-font-size-%s',
-      label: 'Font Size',
-      options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
-      default: 2,
-      parser: v => v === '1.00' ? null : Number(v)
-    },
-    textOpacity: {
-      selector: '.vjs-text-opacity > select',
-      id: 'captions-foreground-opacity-%s',
-      label: 'Opacity',
-      options: [OPACITY_OPAQUE, OPACITY_SEMI]
-    },
-    // Options for this object are defined below.
-    windowColor: {
-      selector: '.vjs-window-color > select',
-      id: 'captions-window-color-%s',
-      label: 'Color'
-    },
-    // Options for this object are defined below.
-    windowOpacity: {
-      selector: '.vjs-window-opacity > select',
-      id: 'captions-window-opacity-%s',
-      label: 'Opacity',
-      options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
-    }
-  };
-  selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
-
-  /**
-   * Get the actual value of an option.
-   *
-   * @param  {string} value
-   *         The value to get
-   *
-   * @param  {Function} [parser]
-   *         Optional function to adjust the value.
-   *
-   * @return {*}
-   *         - Will be `undefined` if no value exists
-   *         - Will be `undefined` if the given value is "none".
-   *         - Will be the actual value otherwise.
-   *
-   * @private
-   */
-  function parseOptionValue(value, parser) {
-    if (parser) {
-      value = parser(value);
-    }
-    if (value && value !== 'none') {
-      return value;
-    }
-  }
-
-  /**
-   * Gets the value of the selected <option> element within a <select> element.
-   *
-   * @param  {Element} el
-   *         the element to look in
-   *
-   * @param  {Function} [parser]
-   *         Optional function to adjust the value.
-   *
-   * @return {*}
-   *         - Will be `undefined` if no value exists
-   *         - Will be `undefined` if the given value is "none".
-   *         - Will be the actual value otherwise.
-   *
-   * @private
-   */
-  function getSelectedOptionValue(el, parser) {
-    const value = el.options[el.options.selectedIndex].value;
-    return parseOptionValue(value, parser);
-  }
-
-  /**
-   * Sets the selected <option> element within a <select> element based on a
-   * given value.
-   *
-   * @param {Element} el
-   *        The element to look in.
-   *
-   * @param {string} value
-   *        the property to look on.
-   *
-   * @param {Function} [parser]
-   *        Optional function to adjust the value before comparing.
-   *
-   * @private
-   */
-  function setSelectedOption(el, value, parser) {
-    if (!value) {
-      return;
-    }
-    for (let i = 0; i < el.options.length; i++) {
-      if (parseOptionValue(el.options[i].value, parser) === value) {
-        el.selectedIndex = i;
-        break;
-      }
-    }
-  }
-
-  /**
-   * Manipulate Text Tracks settings.
-   *
-   * @extends ModalDialog
-   */
-  class TextTrackSettings extends ModalDialog {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('../player').default } player
-     *         The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *         The key/value store of player options.
-     */
-    constructor(player, options) {
-      options.temporary = false;
-      super(player, options);
-      this.updateDisplay = this.updateDisplay.bind(this);
-
-      // fill the modal and pretend we have opened it
-      this.fill();
-      this.hasBeenOpened_ = this.hasBeenFilled_ = true;
-      this.endDialog = createEl('p', {
-        className: 'vjs-control-text',
-        textContent: this.localize('End of dialog window.')
-      });
-      this.el().appendChild(this.endDialog);
-      this.setDefaults();
-
-      // Grab `persistTextTrackSettings` from the player options if not passed in child options
-      if (options.persistTextTrackSettings === undefined) {
-        this.options_.persistTextTrackSettings = this.options_.playerOptions.persistTextTrackSettings;
-      }
-      this.on(this.$('.vjs-done-button'), 'click', () => {
-        this.saveSettings();
-        this.close();
-      });
-      this.on(this.$('.vjs-default-button'), 'click', () => {
-        this.setDefaults();
-        this.updateDisplay();
-      });
-      each(selectConfigs, config => {
-        this.on(this.$(config.selector), 'change', this.updateDisplay);
-      });
-      if (this.options_.persistTextTrackSettings) {
-        this.restoreSettings();
-      }
-    }
-    dispose() {
-      this.endDialog = null;
-      super.dispose();
-    }
-
-    /**
-     * Create a <select> element with configured options.
-     *
-     * @param {string} key
-     *        Configuration key to use during creation.
-     *
-     * @param {string} [legendId]
-     *        Id of associated <legend>.
-     *
-     * @param {string} [type=label]
-     *        Type of labelling element, `label` or `legend`
-     *
-     * @return {string}
-     *         An HTML string.
-     *
-     * @private
-     */
-    createElSelect_(key, legendId = '', type = 'label') {
-      const config = selectConfigs[key];
-      const id = config.id.replace('%s', this.id_);
-      const selectLabelledbyIds = [legendId, id].join(' ').trim();
-      const guid = `vjs_select_${newGUID()}`;
-      return [`<${type} id="${id}"${type === 'label' ? ` for="${guid}" class="vjs-label"` : ''}>`, this.localize(config.label), `</${type}>`, `<select aria-labelledby="${selectLabelledbyIds}" id="${guid}">`].concat(config.options.map(o => {
-        const optionId = id + '-' + o[1].replace(/\W+/g, '');
-        return [`<option id="${optionId}" value="${o[0]}" `, `aria-labelledby="${selectLabelledbyIds} ${optionId}">`, this.localize(o[1]), '</option>'].join('');
-      })).concat('</select>').join('');
-    }
-
-    /**
-     * Create foreground color element for the component
-     *
-     * @return {string}
-     *         An HTML string.
-     *
-     * @private
-     */
-    createElFgColor_() {
-      const legendId = `captions-text-legend-${this.id_}`;
-      return ['<fieldset class="vjs-fg vjs-track-setting">', `<legend id="${legendId}">`, this.localize('Text'), '</legend>', '<span class="vjs-text-color">', this.createElSelect_('color', legendId), '</span>', '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
-    }
-
-    /**
-     * Create background color element for the component
-     *
-     * @return {string}
-     *         An HTML string.
-     *
-     * @private
-     */
-    createElBgColor_() {
-      const legendId = `captions-background-${this.id_}`;
-      return ['<fieldset class="vjs-bg vjs-track-setting">', `<legend id="${legendId}">`, this.localize('Text Background'), '</legend>', '<span class="vjs-bg-color">', this.createElSelect_('backgroundColor', legendId), '</span>', '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
-    }
-
-    /**
-     * Create window color element for the component
-     *
-     * @return {string}
-     *         An HTML string.
-     *
-     * @private
-     */
-    createElWinColor_() {
-      const legendId = `captions-window-${this.id_}`;
-      return ['<fieldset class="vjs-window vjs-track-setting">', `<legend id="${legendId}">`, this.localize('Caption Area Background'), '</legend>', '<span class="vjs-window-color">', this.createElSelect_('windowColor', legendId), '</span>', '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
-    }
-
-    /**
-     * Create color elements for the component
-     *
-     * @return {Element}
-     *         The element that was created
-     *
-     * @private
-     */
-    createElColors_() {
-      return createEl('div', {
-        className: 'vjs-track-settings-colors',
-        innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
-      });
-    }
-
-    /**
-     * Create font elements for the component
-     *
-     * @return {Element}
-     *         The element that was created.
-     *
-     * @private
-     */
-    createElFont_() {
-      return createEl('div', {
-        className: 'vjs-track-settings-font',
-        innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
-      });
-    }
-
-    /**
-     * Create controls for the component
-     *
-     * @return {Element}
-     *         The element that was created.
-     *
-     * @private
-     */
-    createElControls_() {
-      const defaultsDescription = this.localize('restore all settings to the default values');
-      return createEl('div', {
-        className: 'vjs-track-settings-controls',
-        innerHTML: [`<button type="button" class="vjs-default-button" title="${defaultsDescription}">`, this.localize('Reset'), `<span class="vjs-control-text"> ${defaultsDescription}</span>`, '</button>', `<button type="button" class="vjs-done-button">${this.localize('Done')}</button>`].join('')
-      });
-    }
-    content() {
-      return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
-    }
-    label() {
-      return this.localize('Caption Settings Dialog');
-    }
-    description() {
-      return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
-    }
-    buildCSSClass() {
-      return super.buildCSSClass() + ' vjs-text-track-settings';
-    }
-
-    /**
-     * Gets an object of text track settings (or null).
-     *
-     * @return {Object}
-     *         An object with config values parsed from the DOM or localStorage.
-     */
-    getValues() {
-      return reduce(selectConfigs, (accum, config, key) => {
-        const value = getSelectedOptionValue(this.$(config.selector), config.parser);
-        if (value !== undefined) {
-          accum[key] = value;
-        }
-        return accum;
-      }, {});
-    }
-
-    /**
-     * Sets text track settings from an object of values.
-     *
-     * @param {Object} values
-     *        An object with config values parsed from the DOM or localStorage.
-     */
-    setValues(values) {
-      each(selectConfigs, (config, key) => {
-        setSelectedOption(this.$(config.selector), values[key], config.parser);
-      });
-    }
-
-    /**
-     * Sets all `<select>` elements to their default values.
-     */
-    setDefaults() {
-      each(selectConfigs, config => {
-        const index = config.hasOwnProperty('default') ? config.default : 0;
-        this.$(config.selector).selectedIndex = index;
-      });
-    }
-
-    /**
-     * Restore texttrack settings from localStorage
-     */
-    restoreSettings() {
-      let values;
-      try {
-        values = JSON.parse(window.localStorage.getItem(LOCAL_STORAGE_KEY));
-      } catch (err) {
-        log.warn(err);
-      }
-      if (values) {
-        this.setValues(values);
-      }
-    }
-
-    /**
-     * Save text track settings to localStorage
-     */
-    saveSettings() {
-      if (!this.options_.persistTextTrackSettings) {
-        return;
-      }
-      const values = this.getValues();
-      try {
-        if (Object.keys(values).length) {
-          window.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
-        } else {
-          window.localStorage.removeItem(LOCAL_STORAGE_KEY);
-        }
-      } catch (err) {
-        log.warn(err);
-      }
-    }
-
-    /**
-     * Update display of text track settings
-     */
-    updateDisplay() {
-      const ttDisplay = this.player_.getChild('textTrackDisplay');
-      if (ttDisplay) {
-        ttDisplay.updateDisplay();
-      }
-    }
-
-    /**
-     * conditionally blur the element and refocus the captions button
-     *
-     * @private
-     */
-    conditionalBlur_() {
-      this.previouslyActiveEl_ = null;
-      const cb = this.player_.controlBar;
-      const subsCapsBtn = cb && cb.subsCapsButton;
-      const ccBtn = cb && cb.captionsButton;
-      if (subsCapsBtn) {
-        subsCapsBtn.focus();
-      } else if (ccBtn) {
-        ccBtn.focus();
-      }
-    }
-
-    /**
-     * Repopulate dialog with new localizations on languagechange
-     */
-    handleLanguagechange() {
-      this.fill();
-    }
-  }
-  Component.registerComponent('TextTrackSettings', TextTrackSettings);
-
-  /**
-   * @file resize-manager.js
-   */
-
-  /**
-   * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.
-   *
-   * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.
-   *
-   * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.
-   * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.
-   *
-   * @example <caption>How to disable the resize manager</caption>
-   * const player = videojs('#vid', {
-   *   resizeManager: false
-   * });
-   *
-   * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}
-   *
-   * @extends Component
-   */
-  class ResizeManager extends Component {
-    /**
-     * Create the ResizeManager.
-     *
-     * @param {Object} player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of ResizeManager options.
-     *
-     * @param {Object} [options.ResizeObserver]
-     *        A polyfill for ResizeObserver can be passed in here.
-     *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.
-     */
-    constructor(player, options) {
-      let RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window.ResizeObserver;
-
-      // if `null` was passed, we want to disable the ResizeObserver
-      if (options.ResizeObserver === null) {
-        RESIZE_OBSERVER_AVAILABLE = false;
-      }
-
-      // Only create an element when ResizeObserver isn't available
-      const options_ = merge({
-        createEl: !RESIZE_OBSERVER_AVAILABLE,
-        reportTouchActivity: false
-      }, options);
-      super(player, options_);
-      this.ResizeObserver = options.ResizeObserver || window.ResizeObserver;
-      this.loadListener_ = null;
-      this.resizeObserver_ = null;
-      this.debouncedHandler_ = debounce(() => {
-        this.resizeHandler();
-      }, 100, false, this);
-      if (RESIZE_OBSERVER_AVAILABLE) {
-        this.resizeObserver_ = new this.ResizeObserver(this.debouncedHandler_);
-        this.resizeObserver_.observe(player.el());
-      } else {
-        this.loadListener_ = () => {
-          if (!this.el_ || !this.el_.contentWindow) {
-            return;
-          }
-          const debouncedHandler_ = this.debouncedHandler_;
-          let unloadListener_ = this.unloadListener_ = function () {
-            off(this, 'resize', debouncedHandler_);
-            off(this, 'unload', unloadListener_);
-            unloadListener_ = null;
-          };
-
-          // safari and edge can unload the iframe before resizemanager dispose
-          // we have to dispose of event handlers correctly before that happens
-          on(this.el_.contentWindow, 'unload', unloadListener_);
-          on(this.el_.contentWindow, 'resize', debouncedHandler_);
-        };
-        this.one('load', this.loadListener_);
-      }
-    }
-    createEl() {
-      return super.createEl('iframe', {
-        className: 'vjs-resize-manager',
-        tabIndex: -1,
-        title: this.localize('No content')
-      }, {
-        'aria-hidden': 'true'
-      });
-    }
-
-    /**
-     * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver
-     *
-     * @fires Player#playerresize
-     */
-    resizeHandler() {
-      /**
-       * Called when the player size has changed
-       *
-       * @event Player#playerresize
-       * @type {Event}
-       */
-      // make sure player is still around to trigger
-      // prevents this from causing an error after dispose
-      if (!this.player_ || !this.player_.trigger) {
-        return;
-      }
-      this.player_.trigger('playerresize');
-    }
-    dispose() {
-      if (this.debouncedHandler_) {
-        this.debouncedHandler_.cancel();
-      }
-      if (this.resizeObserver_) {
-        if (this.player_.el()) {
-          this.resizeObserver_.unobserve(this.player_.el());
-        }
-        this.resizeObserver_.disconnect();
-      }
-      if (this.loadListener_) {
-        this.off('load', this.loadListener_);
-      }
-      if (this.el_ && this.el_.contentWindow && this.unloadListener_) {
-        this.unloadListener_.call(this.el_.contentWindow);
-      }
-      this.ResizeObserver = null;
-      this.resizeObserver = null;
-      this.debouncedHandler_ = null;
-      this.loadListener_ = null;
-      super.dispose();
-    }
-  }
-  Component.registerComponent('ResizeManager', ResizeManager);
-
-  const defaults = {
-    trackingThreshold: 20,
-    liveTolerance: 15
-  };
-
-  /*
-    track when we are at the live edge, and other helpers for live playback */
-
-  /**
-   * A class for checking live current time and determining when the player
-   * is at or behind the live edge.
-   */
-  class LiveTracker extends Component {
-    /**
-     * Creates an instance of this class.
-     *
-     * @param { import('./player').default } player
-     *        The `Player` that this class should be attached to.
-     *
-     * @param {Object} [options]
-     *        The key/value store of player options.
-     *
-     * @param {number} [options.trackingThreshold=20]
-     *        Number of seconds of live window (seekableEnd - seekableStart) that
-     *        media needs to have before the liveui will be shown.
-     *
-     * @param {number} [options.liveTolerance=15]
-     *        Number of seconds behind live that we have to be
-     *        before we will be considered non-live. Note that this will only
-     *        be used when playing at the live edge. This allows large seekable end
-     *        changes to not effect whether we are live or not.
-     */
-    constructor(player, options) {
-      // LiveTracker does not need an element
-      const options_ = merge(defaults, options, {
-        createEl: false
-      });
-      super(player, options_);
-      this.trackLiveHandler_ = () => this.trackLive_();
-      this.handlePlay_ = e => this.handlePlay(e);
-      this.handleFirstTimeupdate_ = e => this.handleFirstTimeupdate(e);
-      this.handleSeeked_ = e => this.handleSeeked(e);
-      this.seekToLiveEdge_ = e => this.seekToLiveEdge(e);
-      this.reset_();
-      this.on(this.player_, 'durationchange', e => this.handleDurationchange(e));
-      // we should try to toggle tracking on canplay as native playback engines, like Safari
-      // may not have the proper values for things like seekableEnd until then
-      this.on(this.player_, 'canplay', () => this.toggleTracking());
-    }
-
-    /**
-     * all the functionality for tracking when seek end changes
-     * and for tracking how far past seek end we should be
-     */
-    trackLive_() {
-      const seekable = this.player_.seekable();
-
-      // skip undefined seekable
-      if (!seekable || !seekable.length) {
-        return;
-      }
-      const newTime = Number(window.performance.now().toFixed(4));
-      const deltaTime = this.lastTime_ === -1 ? 0 : (newTime - this.lastTime_) / 1000;
-      this.lastTime_ = newTime;
-      this.pastSeekEnd_ = this.pastSeekEnd() + deltaTime;
-      const liveCurrentTime = this.liveCurrentTime();
-      const currentTime = this.player_.currentTime();
-
-      // we are behind live if any are true
-      // 1. the player is paused
-      // 2. the user seeked to a location 2 seconds away from live
-      // 3. the difference between live and current time is greater
-      //    liveTolerance which defaults to 15s
-      let isBehind = this.player_.paused() || this.seekedBehindLive_ || Math.abs(liveCurrentTime - currentTime) > this.options_.liveTolerance;
-
-      // we cannot be behind if
-      // 1. until we have not seen a timeupdate yet
-      // 2. liveCurrentTime is Infinity, which happens on Android and Native Safari
-      if (!this.timeupdateSeen_ || liveCurrentTime === Infinity) {
-        isBehind = false;
-      }
-      if (isBehind !== this.behindLiveEdge_) {
-        this.behindLiveEdge_ = isBehind;
-        this.trigger('liveedgechange');
-      }
-    }
-
-    /**
-     * handle a durationchange event on the player
-     * and start/stop tracking accordingly.
-     */
-    handleDurationchange() {
-      this.toggleTracking();
-    }
-
-    /**
-     * start/stop tracking
-     */
-    toggleTracking() {
-      if (this.player_.duration() === Infinity && this.liveWindow() >= this.options_.trackingThreshold) {
-        if (this.player_.options_.liveui) {
-          this.player_.addClass('vjs-liveui');
-        }
-        this.startTracking();
-      } else {
-        this.player_.removeClass('vjs-liveui');
-        this.stopTracking();
-      }
-    }
-
-    /**
-     * start tracking live playback
-     */
-    startTracking() {
-      if (this.isTracking()) {
-        return;
-      }
-
-      // If we haven't seen a timeupdate, we need to check whether playback
-      // began before this component started tracking. This can happen commonly
-      // when using autoplay.
-      if (!this.timeupdateSeen_) {
-        this.timeupdateSeen_ = this.player_.hasStarted();
-      }
-      this.trackingInterval_ = this.setInterval(this.trackLiveHandler_, UPDATE_REFRESH_INTERVAL);
-      this.trackLive_();
-      this.on(this.player_, ['play', 'pause'], this.trackLiveHandler_);
-      if (!this.timeupdateSeen_) {
-        this.one(this.player_, 'play', this.handlePlay_);
-        this.one(this.player_, 'timeupdate', this.handleFirstTimeupdate_);
-      } else {
-        this.on(this.player_, 'seeked', this.handleSeeked_);
-      }
-    }
-
-    /**
-     * handle the first timeupdate on the player if it wasn't already playing
-     * when live tracker started tracking.
-     */
-    handleFirstTimeupdate() {
-      this.timeupdateSeen_ = true;
-      this.on(this.player_, 'seeked', this.handleSeeked_);
-    }
-
-    /**
-     * Keep track of what time a seek starts, and listen for seeked
-     * to find where a seek ends.
-     */
-    handleSeeked() {
-      const timeDiff = Math.abs(this.liveCurrentTime() - this.player_.currentTime());
-      this.seekedBehindLive_ = this.nextSeekedFromUser_ && timeDiff > 2;
-      this.nextSeekedFromUser_ = false;
-      this.trackLive_();
-    }
-
-    /**
-     * handle the first play on the player, and make sure that we seek
-     * right to the live edge.
-     */
-    handlePlay() {
-      this.one(this.player_, 'timeupdate', this.seekToLiveEdge_);
-    }
-
-    /**
-     * Stop tracking, and set all internal variables to
-     * their initial value.
-     */
-    reset_() {
-      this.lastTime_ = -1;
-      this.pastSeekEnd_ = 0;
-      this.lastSeekEnd_ = -1;
-      this.behindLiveEdge_ = true;
-      this.timeupdateSeen_ = false;
-      this.seekedBehindLive_ = false;
-      this.nextSeekedFromUser_ = false;
-      this.clearInterval(this.trackingInterval_);
-      this.trackingInterval_ = null;
-      this.off(this.player_, ['play', 'pause'], this.trackLiveHandler_);
-      this.off(this.player_, 'seeked', this.handleSeeked_);
-      this.off(this.player_, 'play', this.handlePlay_);
-      this.off(this.player_, 'timeupdate', this.handleFirstTimeupdate_);
-      this.off(this.player_, 'timeupdate', this.seekToLiveEdge_);
-    }
-
-    /**
-     * The next seeked event is from the user. Meaning that any seek
-     * > 2s behind live will be considered behind live for real and
-     * liveTolerance will be ignored.
-     */
-    nextSeekedFromUser() {
-      this.nextSeekedFromUser_ = true;
-    }
-
-    /**
-     * stop tracking live playback
-     */
-    stopTracking() {
-      if (!this.isTracking()) {
-        return;
-      }
-      this.reset_();
-      this.trigger('liveedgechange');
-    }
-
-    /**
-     * A helper to get the player seekable end
-     * so that we don't have to null check everywhere
-     *
-     * @return {number}
-     *         The furthest seekable end or Infinity.
-     */
-    seekableEnd() {
-      const seekable = this.player_.seekable();
-      const seekableEnds = [];
-      let i = seekable ? seekable.length : 0;
-      while (i--) {
-        seekableEnds.push(seekable.end(i));
-      }
-
-      // grab the furthest seekable end after sorting, or if there are none
-      // default to Infinity
-      return seekableEnds.length ? seekableEnds.sort()[seekableEnds.length - 1] : Infinity;
-    }
-
-    /**
-     * A helper to get the player seekable start
-     * so that we don't have to null check everywhere
-     *
-     * @return {number}
-     *         The earliest seekable start or 0.
-     */
-    seekableStart() {
-      const seekable = this.player_.seekable();
-      const seekableStarts = [];
-      let i = seekable ? seekable.length : 0;
-      while (i--) {
-        seekableStarts.push(seekable.start(i));
-      }
-
-      // grab the first seekable start after sorting, or if there are none
-      // default to 0
-      return seekableStarts.length ? seekableStarts.sort()[0] : 0;
-    }
-
-    /**
-     * Get the live time window aka
-     * the amount of time between seekable start and
-     * live current time.
-     *
-     * @return {number}
-     *         The amount of seconds that are seekable in
-     *         the live video.
-     */
-    liveWindow() {
-      const liveCurrentTime = this.liveCurrentTime();
-
-      // if liveCurrenTime is Infinity then we don't have a liveWindow at all
-      if (liveCurrentTime === Infinity) {
-        return 0;
-      }
-      return liveCurrentTime - this.seekableStart();
-    }
-
-    /**
-     * Determines if the player is live, only checks if this component
-     * is tracking live playback or not
-     *
-     * @return {boolean}
-     *         Whether liveTracker is tracking
-     */
-    isLive() {
-      return this.isTracking();
-    }
-
-    /**
-     * Determines if currentTime is at the live edge and won't fall behind
-     * on each seekableendchange
-     *
-     * @return {boolean}
-     *         Whether playback is at the live edge
-     */
-    atLiveEdge() {
-      return !this.behindLiveEdge();
-    }
-
-    /**
-     * get what we expect the live current time to be
-     *
-     * @return {number}
-     *         The expected live current time
-     */
-    liveCurrentTime() {
-      return this.pastSeekEnd() + this.seekableEnd();
-    }
-
-    /**
-     * The number of seconds that have occurred after seekable end
-     * changed. This will be reset to 0 once seekable end changes.
-     *
-     * @return {number}
-     *         Seconds past the current seekable end
-     */
-    pastSeekEnd() {
-      const seekableEnd = this.seekableEnd();
-      if (this.lastSeekEnd_ !== -1 && seekableEnd !== this.lastSeekEnd_) {
-        this.pastSeekEnd_ = 0;
-      }
-      this.lastSeekEnd_ = seekableEnd;
-      return this.pastSeekEnd_;
-    }
-
-    /**
-     * If we are currently behind the live edge, aka currentTime will be
-     * behind on a seekableendchange
-     *
-     * @return {boolean}
-     *         If we are behind the live edge
-     */
-    behindLiveEdge() {
-      return this.behindLiveEdge_;
-    }
-
-    /**
-     * Whether live tracker is currently tracking or not.
-     */
-    isTracking() {
-      return typeof this.trackingInterval_ === 'number';
-    }
-
-    /**
-     * Seek to the live edge if we are behind the live edge
-     */
-    seekToLiveEdge() {
-      this.seekedBehindLive_ = false;
-      if (this.atLiveEdge()) {
-        return;
-      }
-      this.nextSeekedFromUser_ = false;
-      this.player_.currentTime(this.liveCurrentTime());
-    }
-
-    /**
-     * Dispose of liveTracker
-     */
-    dispose() {
-      this.stopTracking();
-      super.dispose();
-    }
-  }
-  Component.registerComponent('LiveTracker', LiveTracker);
-
-  /**
-   * Displays an element over the player which contains an optional title and
-   * description for the current content.
-   *
-   * Much of the code for this component originated in the now obsolete
-   * videojs-dock plugin: https://github.com/brightcove/videojs-dock/
-   *
-   * @extends Component
-   */
-  class TitleBar extends Component {
-    constructor(player, options) {
-      super(player, options);
-      this.on('statechanged', e => this.updateDom_());
-      this.updateDom_();
-    }
-
-    /**
-     * Create the `TitleBar`'s DOM element
-     *
-     * @return {Element}
-     *         The element that was created.
-     */
-    createEl() {
-      this.els = {
-        title: createEl('div', {
-          className: 'vjs-title-bar-title',
-          id: `vjs-title-bar-title-${newGUID()}`
-        }),
-        description: createEl('div', {
-          className: 'vjs-title-bar-description',
-          id: `vjs-title-bar-description-${newGUID()}`
-        })
-      };
-      return createEl('div', {
-        className: 'vjs-title-bar'
-      }, {}, values(this.els));
-    }
-
-    /**
-     * Updates the DOM based on the component's state object.
-     */
-    updateDom_() {
-      const tech = this.player_.tech_;
-      const techEl = tech && tech.el_;
-      const techAriaAttrs = {
-        title: 'aria-labelledby',
-        description: 'aria-describedby'
-      };
-      ['title', 'description'].forEach(k => {
-        const value = this.state[k];
-        const el = this.els[k];
-        const techAriaAttr = techAriaAttrs[k];
-        emptyEl(el);
-        if (value) {
-          textContent(el, value);
-        }
-
-        // If there is a tech element available, update its ARIA attributes
-        // according to whether a title and/or description have been provided.
-        if (techEl) {
-          techEl.removeAttribute(techAriaAttr);
-          if (value) {
-            techEl.setAttribute(techAriaAttr, el.id);
-          }
-        }
-      });
-      if (this.state.title || this.state.description) {
-        this.show();
-      } else {
-        this.hide();
-      }
-    }
-
-    /**
-     * Update the contents of the title bar component with new title and
-     * description text.
-     *
-     * If both title and description are missing, the title bar will be hidden.
-     *
-     * If either title or description are present, the title bar will be visible.
-     *
-     * NOTE: Any previously set value will be preserved. To unset a previously
-     * set value, you must pass an empty string or null.
-     *
-     * For example:
-     *
-     * ```
-     * update({title: 'foo', description: 'bar'}) // title: 'foo', description: 'bar'
-     * update({description: 'bar2'}) // title: 'foo', description: 'bar2'
-     * update({title: ''}) // title: '', description: 'bar2'
-     * update({title: 'foo', description: null}) // title: 'foo', description: null
-     * ```
-     *
-     * @param  {Object} [options={}]
-     *         An options object. When empty, the title bar will be hidden.
-     *
-     * @param  {string} [options.title]
-     *         A title to display in the title bar.
-     *
-     * @param  {string} [options.description]
-     *         A description to display in the title bar.
-     */
-    update(options) {
-      this.setState(options);
-    }
-
-    /**
-     * Dispose the component.
-     */
-    dispose() {
-      const tech = this.player_.tech_;
-      const techEl = tech && tech.el_;
-      if (techEl) {
-        techEl.removeAttribute('aria-labelledby');
-        techEl.removeAttribute('aria-describedby');
-      }
-      super.dispose();
-      this.els = null;
-    }
-  }
-  Component.registerComponent('TitleBar', TitleBar);
-
-  /**
-   * This function is used to fire a sourceset when there is something
-   * similar to `mediaEl.load()` being called. It will try to find the source via
-   * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`
-   * with the source that was found or empty string if we cannot know. If it cannot
-   * find a source then `sourceset` will not be fired.
-   *
-   * @param { import('./html5').default } tech
-   *        The tech object that sourceset was setup on
-   *
-   * @return {boolean}
-   *         returns false if the sourceset was not fired and true otherwise.
-   */
-  const sourcesetLoad = tech => {
-    const el = tech.el();
-
-    // if `el.src` is set, that source will be loaded.
-    if (el.hasAttribute('src')) {
-      tech.triggerSourceset(el.src);
-      return true;
-    }
-
-    /**
-     * Since there isn't a src property on the media element, source elements will be used for
-     * implementing the source selection algorithm. This happens asynchronously and
-     * for most cases were there is more than one source we cannot tell what source will
-     * be loaded, without re-implementing the source selection algorithm. At this time we are not
-     * going to do that. There are three special cases that we do handle here though:
-     *
-     * 1. If there are no sources, do not fire `sourceset`.
-     * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`
-     * 3. If there is more than one `<source>` but all of them have the same `src` url.
-     *    That will be our src.
-     */
-    const sources = tech.$$('source');
-    const srcUrls = [];
-    let src = '';
-
-    // if there are no sources, do not fire sourceset
-    if (!sources.length) {
-      return false;
-    }
-
-    // only count valid/non-duplicate source elements
-    for (let i = 0; i < sources.length; i++) {
-      const url = sources[i].src;
-      if (url && srcUrls.indexOf(url) === -1) {
-        srcUrls.push(url);
-      }
-    }
-
-    // there were no valid sources
-    if (!srcUrls.length) {
-      return false;
-    }
-
-    // there is only one valid source element url
-    // use that
-    if (srcUrls.length === 1) {
-      src = srcUrls[0];
-    }
-    tech.triggerSourceset(src);
-    return true;
-  };
-
-  /**
-   * our implementation of an `innerHTML` descriptor for browsers
-   * that do not have one.
-   */
-  const innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {
-    get() {
-      return this.cloneNode(true).innerHTML;
-    },
-    set(v) {
-      // make a dummy node to use innerHTML on
-      const dummy = document.createElement(this.nodeName.toLowerCase());
-
-      // set innerHTML to the value provided
-      dummy.innerHTML = v;
-
-      // make a document fragment to hold the nodes from dummy
-      const docFrag = document.createDocumentFragment();
-
-      // copy all of the nodes created by the innerHTML on dummy
-      // to the document fragment
-      while (dummy.childNodes.length) {
-        docFrag.appendChild(dummy.childNodes[0]);
-      }
-
-      // remove content
-      this.innerText = '';
-
-      // now we add all of that html in one by appending the
-      // document fragment. This is how innerHTML does it.
-      window.Element.prototype.appendChild.call(this, docFrag);
-
-      // then return the result that innerHTML's setter would
-      return this.innerHTML;
-    }
-  });
-
-  /**
-   * Get a property descriptor given a list of priorities and the
-   * property to get.
-   */
-  const getDescriptor = (priority, prop) => {
-    let descriptor = {};
-    for (let i = 0; i < priority.length; i++) {
-      descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);
-      if (descriptor && descriptor.set && descriptor.get) {
-        break;
-      }
-    }
-    descriptor.enumerable = true;
-    descriptor.configurable = true;
-    return descriptor;
-  };
-  const getInnerHTMLDescriptor = tech => getDescriptor([tech.el(), window.HTMLMediaElement.prototype, window.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');
-
-  /**
-   * Patches browser internal functions so that we can tell synchronously
-   * if a `<source>` was appended to the media element. For some reason this
-   * causes a `sourceset` if the the media element is ready and has no source.
-   * This happens when:
-   * - The page has just loaded and the media element does not have a source.
-   * - The media element was emptied of all sources, then `load()` was called.
-   *
-   * It does this by patching the following functions/properties when they are supported:
-   *
-   * - `append()` - can be used to add a `<source>` element to the media element
-   * - `appendChild()` - can be used to add a `<source>` element to the media element
-   * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element
-   * - `innerHTML` -  can be used to add a `<source>` element to the media element
-   *
-   * @param {Html5} tech
-   *        The tech object that sourceset is being setup on.
-   */
-  const firstSourceWatch = function (tech) {
-    const el = tech.el();
-
-    // make sure firstSourceWatch isn't setup twice.
-    if (el.resetSourceWatch_) {
-      return;
-    }
-    const old = {};
-    const innerDescriptor = getInnerHTMLDescriptor(tech);
-    const appendWrapper = appendFn => (...args) => {
-      const retval = appendFn.apply(el, args);
-      sourcesetLoad(tech);
-      return retval;
-    };
-    ['append', 'appendChild', 'insertAdjacentHTML'].forEach(k => {
-      if (!el[k]) {
-        return;
-      }
-
-      // store the old function
-      old[k] = el[k];
-
-      // call the old function with a sourceset if a source
-      // was loaded
-      el[k] = appendWrapper(old[k]);
-    });
-    Object.defineProperty(el, 'innerHTML', merge(innerDescriptor, {
-      set: appendWrapper(innerDescriptor.set)
-    }));
-    el.resetSourceWatch_ = () => {
-      el.resetSourceWatch_ = null;
-      Object.keys(old).forEach(k => {
-        el[k] = old[k];
-      });
-      Object.defineProperty(el, 'innerHTML', innerDescriptor);
-    };
-
-    // on the first sourceset, we need to revert our changes
-    tech.one('sourceset', el.resetSourceWatch_);
-  };
-
-  /**
-   * our implementation of a `src` descriptor for browsers
-   * that do not have one
-   */
-  const srcDescriptorPolyfill = Object.defineProperty({}, 'src', {
-    get() {
-      if (this.hasAttribute('src')) {
-        return getAbsoluteURL(window.Element.prototype.getAttribute.call(this, 'src'));
-      }
-      return '';
-    },
-    set(v) {
-      window.Element.prototype.setAttribute.call(this, 'src', v);
-      return v;
-    }
-  });
-  const getSrcDescriptor = tech => getDescriptor([tech.el(), window.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');
-
-  /**
-   * setup `sourceset` handling on the `Html5` tech. This function
-   * patches the following element properties/functions:
-   *
-   * - `src` - to determine when `src` is set
-   * - `setAttribute()` - to determine when `src` is set
-   * - `load()` - this re-triggers the source selection algorithm, and can
-   *              cause a sourceset.
-   *
-   * If there is no source when we are adding `sourceset` support or during a `load()`
-   * we also patch the functions listed in `firstSourceWatch`.
-   *
-   * @param {Html5} tech
-   *        The tech to patch
-   */
-  const setupSourceset = function (tech) {
-    if (!tech.featuresSourceset) {
-      return;
-    }
-    const el = tech.el();
-
-    // make sure sourceset isn't setup twice.
-    if (el.resetSourceset_) {
-      return;
-    }
-    const srcDescriptor = getSrcDescriptor(tech);
-    const oldSetAttribute = el.setAttribute;
-    const oldLoad = el.load;
-    Object.defineProperty(el, 'src', merge(srcDescriptor, {
-      set: v => {
-        const retval = srcDescriptor.set.call(el, v);
-
-        // we use the getter here to get the actual value set on src
-        tech.triggerSourceset(el.src);
-        return retval;
-      }
-    }));
-    el.setAttribute = (n, v) => {
-      const retval = oldSetAttribute.call(el, n, v);
-      if (/src/i.test(n)) {
-        tech.triggerSourceset(el.src);
-      }
-      return retval;
-    };
-    el.load = () => {
-      const retval = oldLoad.call(el);
-
-      // if load was called, but there was no source to fire
-      // sourceset on. We have to watch for a source append
-      // as that can trigger a `sourceset` when the media element
-      // has no source
-      if (!sourcesetLoad(tech)) {
-        tech.triggerSourceset('');
-        firstSourceWatch(tech);
-      }
-      return retval;
-    };
-    if (el.currentSrc) {
-      tech.triggerSourceset(el.currentSrc);
-    } else if (!sourcesetLoad(tech)) {
-      firstSourceWatch(tech);
-    }
-    el.resetSourceset_ = () => {
-      el.resetSourceset_ = null;
-      el.load = oldLoad;
-      el.setAttribute = oldSetAttribute;
-      Object.defineProperty(el, 'src', srcDescriptor);
-      if (el.resetSourceWatch_) {
-        el.resetSourceWatch_();
-      }
-    };
-  };
-
-  /**
-   * @file html5.js
-   */
-
-  /**
-   * HTML5 Media Controller - Wrapper for HTML5 Media API
-   *
-   * @mixes Tech~SourceHandlerAdditions
-   * @extends Tech
-   */
-  class Html5 extends Tech {
-    /**
-    * Create an instance of this Tech.
-    *
-    * @param {Object} [options]
-    *        The key/value store of player options.
-    *
-    * @param {Function} [ready]
-    *        Callback function to call when the `HTML5` Tech is ready.
-    */
-    constructor(options, ready) {
-      super(options, ready);
-      const source = options.source;
-      let crossoriginTracks = false;
-      this.featuresVideoFrameCallback = this.featuresVideoFrameCallback && this.el_.tagName === 'VIDEO';
-
-      // Set the source if one is provided
-      // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
-      // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
-      // anyway so the error gets fired.
-      if (source && (this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
-        this.setSource(source);
-      } else {
-        this.handleLateInit_(this.el_);
-      }
-
-      // setup sourceset after late sourceset/init
-      if (options.enableSourceset) {
-        this.setupSourcesetHandling_();
-      }
-      this.isScrubbing_ = false;
-      if (this.el_.hasChildNodes()) {
-        const nodes = this.el_.childNodes;
-        let nodesLength = nodes.length;
-        const removeNodes = [];
-        while (nodesLength--) {
-          const node = nodes[nodesLength];
-          const nodeName = node.nodeName.toLowerCase();
-          if (nodeName === 'track') {
-            if (!this.featuresNativeTextTracks) {
-              // Empty video tag tracks so the built-in player doesn't use them also.
-              // This may not be fast enough to stop HTML5 browsers from reading the tags
-              // so we'll need to turn off any default tracks if we're manually doing
-              // captions and subtitles. videoElement.textTracks
-              removeNodes.push(node);
-            } else {
-              // store HTMLTrackElement and TextTrack to remote list
-              this.remoteTextTrackEls().addTrackElement_(node);
-              this.remoteTextTracks().addTrack(node.track);
-              this.textTracks().addTrack(node.track);
-              if (!crossoriginTracks && !this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
-                crossoriginTracks = true;
-              }
-            }
-          }
-        }
-        for (let i = 0; i < removeNodes.length; i++) {
-          this.el_.removeChild(removeNodes[i]);
-        }
-      }
-      this.proxyNativeTracks_();
-      if (this.featuresNativeTextTracks && crossoriginTracks) {
-        log.warn('Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n' + 'This may prevent text tracks from loading.');
-      }
-
-      // prevent iOS Safari from disabling metadata text tracks during native playback
-      this.restoreMetadataTracksInIOSNativePlayer_();
-
-      // Determine if native controls should be used
-      // Our goal should be to get the custom controls on mobile solid everywhere
-      // so we can remove this all together. Right now this will block custom
-      // controls on touch enabled laptops like the Chrome Pixel
-      if ((TOUCH_ENABLED || IS_IPHONE) && options.nativeControlsForTouch === true) {
-        this.setControls(true);
-      }
-
-      // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
-      // into a `fullscreenchange` event
-      this.proxyWebkitFullscreen_();
-      this.triggerReady();
-    }
-
-    /**
-     * Dispose of `HTML5` media element and remove all tracks.
-     */
-    dispose() {
-      if (this.el_ && this.el_.resetSourceset_) {
-        this.el_.resetSourceset_();
-      }
-      Html5.disposeMediaElement(this.el_);
-      this.options_ = null;
-
-      // tech will handle clearing of the emulated track list
-      super.dispose();
-    }
-
-    /**
-     * Modify the media element so that we can detect when
-     * the source is changed. Fires `sourceset` just after the source has changed
-     */
-    setupSourcesetHandling_() {
-      setupSourceset(this);
-    }
-
-    /**
-     * When a captions track is enabled in the iOS Safari native player, all other
-     * tracks are disabled (including metadata tracks), which nulls all of their
-     * associated cue points. This will restore metadata tracks to their pre-fullscreen
-     * state in those cases so that cue points are not needlessly lost.
-     *
-     * @private
-     */
-    restoreMetadataTracksInIOSNativePlayer_() {
-      const textTracks = this.textTracks();
-      let metadataTracksPreFullscreenState;
-
-      // captures a snapshot of every metadata track's current state
-      const takeMetadataTrackSnapshot = () => {
-        metadataTracksPreFullscreenState = [];
-        for (let i = 0; i < textTracks.length; i++) {
-          const track = textTracks[i];
-          if (track.kind === 'metadata') {
-            metadataTracksPreFullscreenState.push({
-              track,
-              storedMode: track.mode
-            });
-          }
-        }
-      };
-
-      // snapshot each metadata track's initial state, and update the snapshot
-      // each time there is a track 'change' event
-      takeMetadataTrackSnapshot();
-      textTracks.addEventListener('change', takeMetadataTrackSnapshot);
-      this.on('dispose', () => textTracks.removeEventListener('change', takeMetadataTrackSnapshot));
-      const restoreTrackMode = () => {
-        for (let i = 0; i < metadataTracksPreFullscreenState.length; i++) {
-          const storedTrack = metadataTracksPreFullscreenState[i];
-          if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
-            storedTrack.track.mode = storedTrack.storedMode;
-          }
-        }
-        // we only want this handler to be executed on the first 'change' event
-        textTracks.removeEventListener('change', restoreTrackMode);
-      };
-
-      // when we enter fullscreen playback, stop updating the snapshot and
-      // restore all track modes to their pre-fullscreen state
-      this.on('webkitbeginfullscreen', () => {
-        textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
-
-        // remove the listener before adding it just in case it wasn't previously removed
-        textTracks.removeEventListener('change', restoreTrackMode);
-        textTracks.addEventListener('change', restoreTrackMode);
-      });
-
-      // start updating the snapshot again after leaving fullscreen
-      this.on('webkitendfullscreen', () => {
-        // remove the listener before adding it just in case it wasn't previously removed
-        textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
-        textTracks.addEventListener('change', takeMetadataTrackSnapshot);
-
-        // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
-        textTracks.removeEventListener('change', restoreTrackMode);
-      });
-    }
-
-    /**
-     * Attempt to force override of tracks for the given type
-     *
-     * @param {string} type - Track type to override, possible values include 'Audio',
-     * 'Video', and 'Text'.
-     * @param {boolean} override - If set to true native audio/video will be overridden,
-     * otherwise native audio/video will potentially be used.
-     * @private
-     */
-    overrideNative_(type, override) {
-      // If there is no behavioral change don't add/remove listeners
-      if (override !== this[`featuresNative${type}Tracks`]) {
-        return;
-      }
-      const lowerCaseType = type.toLowerCase();
-      if (this[`${lowerCaseType}TracksListeners_`]) {
-        Object.keys(this[`${lowerCaseType}TracksListeners_`]).forEach(eventName => {
-          const elTracks = this.el()[`${lowerCaseType}Tracks`];
-          elTracks.removeEventListener(eventName, this[`${lowerCaseType}TracksListeners_`][eventName]);
-        });
-      }
-      this[`featuresNative${type}Tracks`] = !override;
-      this[`${lowerCaseType}TracksListeners_`] = null;
-      this.proxyNativeTracksForType_(lowerCaseType);
-    }
-
-    /**
-     * Attempt to force override of native audio tracks.
-     *
-     * @param {boolean} override - If set to true native audio will be overridden,
-     * otherwise native audio will potentially be used.
-     */
-    overrideNativeAudioTracks(override) {
-      this.overrideNative_('Audio', override);
-    }
-
-    /**
-     * Attempt to force override of native video tracks.
-     *
-     * @param {boolean} override - If set to true native video will be overridden,
-     * otherwise native video will potentially be used.
-     */
-    overrideNativeVideoTracks(override) {
-      this.overrideNative_('Video', override);
-    }
-
-    /**
-     * Proxy native track list events for the given type to our track
-     * lists if the browser we are playing in supports that type of track list.
-     *
-     * @param {string} name - Track type; values include 'audio', 'video', and 'text'
-     * @private
-     */
-    proxyNativeTracksForType_(name) {
-      const props = NORMAL[name];
-      const elTracks = this.el()[props.getterName];
-      const techTracks = this[props.getterName]();
-      if (!this[`featuresNative${props.capitalName}Tracks`] || !elTracks || !elTracks.addEventListener) {
-        return;
-      }
-      const listeners = {
-        change: e => {
-          const event = {
-            type: 'change',
-            target: techTracks,
-            currentTarget: techTracks,
-            srcElement: techTracks
-          };
-          techTracks.trigger(event);
-
-          // if we are a text track change event, we should also notify the
-          // remote text track list. This can potentially cause a false positive
-          // if we were to get a change event on a non-remote track and
-          // we triggered the event on the remote text track list which doesn't
-          // contain that track. However, best practices mean looping through the
-          // list of tracks and searching for the appropriate mode value, so,
-          // this shouldn't pose an issue
-          if (name === 'text') {
-            this[REMOTE.remoteText.getterName]().trigger(event);
-          }
-        },
-        addtrack(e) {
-          techTracks.addTrack(e.track);
-        },
-        removetrack(e) {
-          techTracks.removeTrack(e.track);
-        }
-      };
-      const removeOldTracks = function () {
-        const removeTracks = [];
-        for (let i = 0; i < techTracks.length; i++) {
-          let found = false;
-          for (let j = 0; j < elTracks.length; j++) {
-            if (elTracks[j] === techTracks[i]) {
-              found = true;
-              break;
-            }
-          }
-          if (!found) {
-            removeTracks.push(techTracks[i]);
-          }
-        }
-        while (removeTracks.length) {
-          techTracks.removeTrack(removeTracks.shift());
-        }
-      };
-      this[props.getterName + 'Listeners_'] = listeners;
-      Object.keys(listeners).forEach(eventName => {
-        const listener = listeners[eventName];
-        elTracks.addEventListener(eventName, listener);
-        this.on('dispose', e => elTracks.removeEventListener(eventName, listener));
-      });
-
-      // Remove (native) tracks that are not used anymore
-      this.on('loadstart', removeOldTracks);
-      this.on('dispose', e => this.off('loadstart', removeOldTracks));
-    }
-
-    /**
-     * Proxy all native track list events to our track lists if the browser we are playing
-     * in supports that type of track list.
-     *
-     * @private
-     */
-    proxyNativeTracks_() {
-      NORMAL.names.forEach(name => {
-        this.proxyNativeTracksForType_(name);
-      });
-    }
-
-    /**
-     * Create the `Html5` Tech's DOM element.
-     *
-     * @return {Element}
-     *         The element that gets created.
-     */
-    createEl() {
-      let el = this.options_.tag;
-
-      // Check if this browser supports moving the element into the box.
-      // On the iPhone video will break if you move the element,
-      // So we have to create a brand new element.
-      // If we ingested the player div, we do not need to move the media element.
-      if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
-        // If the original tag is still there, clone and remove it.
-        if (el) {
-          const clone = el.cloneNode(true);
-          if (el.parentNode) {
-            el.parentNode.insertBefore(clone, el);
-          }
-          Html5.disposeMediaElement(el);
-          el = clone;
-        } else {
-          el = document.createElement('video');
-
-          // determine if native controls should be used
-          const tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
-          const attributes = merge({}, tagAttributes);
-          if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
-            delete attributes.controls;
-          }
-          setAttributes(el, Object.assign(attributes, {
-            id: this.options_.techId,
-            class: 'vjs-tech'
-          }));
-        }
-        el.playerId = this.options_.playerId;
-      }
-      if (typeof this.options_.preload !== 'undefined') {
-        setAttribute(el, 'preload', this.options_.preload);
-      }
-      if (this.options_.disablePictureInPicture !== undefined) {
-        el.disablePictureInPicture = this.options_.disablePictureInPicture;
-      }
-
-      // Update specific tag settings, in case they were overridden
-      // `autoplay` has to be *last* so that `muted` and `playsinline` are present
-      // when iOS/Safari or other browsers attempt to autoplay.
-      const settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
-      for (let i = 0; i < settingsAttrs.length; i++) {
-        const attr = settingsAttrs[i];
-        const value = this.options_[attr];
-        if (typeof value !== 'undefined') {
-          if (value) {
-            setAttribute(el, attr, attr);
-          } else {
-            removeAttribute(el, attr);
-          }
-          el[attr] = value;
-        }
-      }
-      return el;
-    }
-
-    /**
-     * This will be triggered if the loadstart event has already fired, before videojs was
-     * ready. Two known examples of when this can happen are:
-     * 1. If we're loading the playback object after it has started loading
-     * 2. The media is already playing the (often with autoplay on) then
-     *
-     * This function will fire another loadstart so that videojs can catchup.
-     *
-     * @fires Tech#loadstart
-     *
-     * @return {undefined}
-     *         returns nothing.
-     */
-    handleLateInit_(el) {
-      if (el.networkState === 0 || el.networkState === 3) {
-        // The video element hasn't started loading the source yet
-        // or didn't find a source
-        return;
-      }
-      if (el.readyState === 0) {
-        // NetworkState is set synchronously BUT loadstart is fired at the
-        // end of the current stack, usually before setInterval(fn, 0).
-        // So at this point we know loadstart may have already fired or is
-        // about to fire, and either way the player hasn't seen it yet.
-        // We don't want to fire loadstart prematurely here and cause a
-        // double loadstart so we'll wait and see if it happens between now
-        // and the next loop, and fire it if not.
-        // HOWEVER, we also want to make sure it fires before loadedmetadata
-        // which could also happen between now and the next loop, so we'll
-        // watch for that also.
-        let loadstartFired = false;
-        const setLoadstartFired = function () {
-          loadstartFired = true;
-        };
-        this.on('loadstart', setLoadstartFired);
-        const triggerLoadstart = function () {
-          // We did miss the original loadstart. Make sure the player
-          // sees loadstart before loadedmetadata
-          if (!loadstartFired) {
-            this.trigger('loadstart');
-          }
-        };
-        this.on('loadedmetadata', triggerLoadstart);
-        this.ready(function () {
-          this.off('loadstart', setLoadstartFired);
-          this.off('loadedmetadata', triggerLoadstart);
-          if (!loadstartFired) {
-            // We did miss the original native loadstart. Fire it now.
-            this.trigger('loadstart');
-          }
-        });
-        return;
-      }
-
-      // From here on we know that loadstart already fired and we missed it.
-      // The other readyState events aren't as much of a problem if we double
-      // them, so not going to go to as much trouble as loadstart to prevent
-      // that unless we find reason to.
-      const eventsToTrigger = ['loadstart'];
-
-      // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
-      eventsToTrigger.push('loadedmetadata');
-
-      // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
-      if (el.readyState >= 2) {
-        eventsToTrigger.push('loadeddata');
-      }
-
-      // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
-      if (el.readyState >= 3) {
-        eventsToTrigger.push('canplay');
-      }
-
-      // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
-      if (el.readyState >= 4) {
-        eventsToTrigger.push('canplaythrough');
-      }
-
-      // We still need to give the player time to add event listeners
-      this.ready(function () {
-        eventsToTrigger.forEach(function (type) {
-          this.trigger(type);
-        }, this);
-      });
-    }
-
-    /**
-     * Set whether we are scrubbing or not.
-     * This is used to decide whether we should use `fastSeek` or not.
-     * `fastSeek` is used to provide trick play on Safari browsers.
-     *
-     * @param {boolean} isScrubbing
-     *                  - true for we are currently scrubbing
-     *                  - false for we are no longer scrubbing
-     */
-    setScrubbing(isScrubbing) {
-      this.isScrubbing_ = isScrubbing;
-    }
-
-    /**
-     * Get whether we are scrubbing or not.
-     *
-     * @return {boolean} isScrubbing
-     *                  - true for we are currently scrubbing
-     *                  - false for we are no longer scrubbing
-     */
-    scrubbing() {
-      return this.isScrubbing_;
-    }
-
-    /**
-     * Set current time for the `HTML5` tech.
-     *
-     * @param {number} seconds
-     *        Set the current time of the media to this.
-     */
-    setCurrentTime(seconds) {
-      try {
-        if (this.isScrubbing_ && this.el_.fastSeek && IS_ANY_SAFARI) {
-          this.el_.fastSeek(seconds);
-        } else {
-          this.el_.currentTime = seconds;
-        }
-      } catch (e) {
-        log(e, 'Video is not ready. (Video.js)');
-        // this.warning(VideoJS.warnings.videoNotReady);
-      }
-    }
-
-    /**
-     * Get the current duration of the HTML5 media element.
-     *
-     * @return {number}
-     *         The duration of the media or 0 if there is no duration.
-     */
-    duration() {
-      // Android Chrome will report duration as Infinity for VOD HLS until after
-      // playback has started, which triggers the live display erroneously.
-      // Return NaN if playback has not started and trigger a durationupdate once
-      // the duration can be reliably known.
-      if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
-        // Wait for the first `timeupdate` with currentTime > 0 - there may be
-        // several with 0
-        const checkProgress = () => {
-          if (this.el_.currentTime > 0) {
-            // Trigger durationchange for genuinely live video
-            if (this.el_.duration === Infinity) {
-              this.trigger('durationchange');
-            }
-            this.off('timeupdate', checkProgress);
-          }
-        };
-        this.on('timeupdate', checkProgress);
-        return NaN;
-      }
-      return this.el_.duration || NaN;
-    }
-
-    /**
-     * Get the current width of the HTML5 media element.
-     *
-     * @return {number}
-     *         The width of the HTML5 media element.
-     */
-    width() {
-      return this.el_.offsetWidth;
-    }
-
-    /**
-     * Get the current height of the HTML5 media element.
-     *
-     * @return {number}
-     *         The height of the HTML5 media element.
-     */
-    height() {
-      return this.el_.offsetHeight;
-    }
-
-    /**
-     * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
-     * `fullscreenchange` event.
-     *
-     * @private
-     * @fires fullscreenchange
-     * @listens webkitendfullscreen
-     * @listens webkitbeginfullscreen
-     * @listens webkitbeginfullscreen
-     */
-    proxyWebkitFullscreen_() {
-      if (!('webkitDisplayingFullscreen' in this.el_)) {
-        return;
-      }
-      const endFn = function () {
-        this.trigger('fullscreenchange', {
-          isFullscreen: false
-        });
-        // Safari will sometimes set controls on the videoelement when existing fullscreen.
-        if (this.el_.controls && !this.options_.nativeControlsForTouch && this.controls()) {
-          this.el_.controls = false;
-        }
-      };
-      const beginFn = function () {
-        if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
-          this.one('webkitendfullscreen', endFn);
-          this.trigger('fullscreenchange', {
-            isFullscreen: true,
-            // set a flag in case another tech triggers fullscreenchange
-            nativeIOSFullscreen: true
-          });
-        }
-      };
-      this.on('webkitbeginfullscreen', beginFn);
-      this.on('dispose', () => {
-        this.off('webkitbeginfullscreen', beginFn);
-        this.off('webkitendfullscreen', endFn);
-      });
-    }
-
-    /**
-     * Check if fullscreen is supported on the video el.
-     *
-     * @return {boolean}
-     *         - True if fullscreen is supported.
-     *         - False if fullscreen is not supported.
-     */
-    supportsFullScreen() {
-      return typeof this.el_.webkitEnterFullScreen === 'function';
-    }
-
-    /**
-     * Request that the `HTML5` Tech enter fullscreen.
-     */
-    enterFullScreen() {
-      const video = this.el_;
-      if (video.paused && video.networkState <= video.HAVE_METADATA) {
-        // attempt to prime the video element for programmatic access
-        // this isn't necessary on the desktop but shouldn't hurt
-        silencePromise(this.el_.play());
-
-        // playing and pausing synchronously during the transition to fullscreen
-        // can get iOS ~6.1 devices into a play/pause loop
-        this.setTimeout(function () {
-          video.pause();
-          try {
-            video.webkitEnterFullScreen();
-          } catch (e) {
-            this.trigger('fullscreenerror', e);
-          }
-        }, 0);
-      } else {
-        try {
-          video.webkitEnterFullScreen();
-        } catch (e) {
-          this.trigger('fullscreenerror', e);
-        }
-      }
-    }
-
-    /**
-     * Request that the `HTML5` Tech exit fullscreen.
-     */
-    exitFullScreen() {
-      if (!this.el_.webkitDisplayingFullscreen) {
-        this.trigger('fullscreenerror', new Error('The video is not fullscreen'));
-        return;
-      }
-      this.el_.webkitExitFullScreen();
-    }
-
-    /**
-     * Create a floating video window always on top of other windows so that users may
-     * continue consuming media while they interact with other content sites, or
-     * applications on their device.
-     *
-     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
-     *
-     * @return {Promise}
-     *         A promise with a Picture-in-Picture window.
-     */
-    requestPictureInPicture() {
-      return this.el_.requestPictureInPicture();
-    }
-
-    /**
-     * Native requestVideoFrameCallback if supported by browser/tech, or fallback
-     * Don't use rVCF on Safari when DRM is playing, as it doesn't fire
-     * Needs to be checked later than the constructor
-     * This will be a false positive for clear sources loaded after a Fairplay source
-     *
-     * @param {function} cb function to call
-     * @return {number} id of request
-     */
-    requestVideoFrameCallback(cb) {
-      if (this.featuresVideoFrameCallback && !this.el_.webkitKeys) {
-        return this.el_.requestVideoFrameCallback(cb);
-      }
-      return super.requestVideoFrameCallback(cb);
-    }
-
-    /**
-     * Native or fallback requestVideoFrameCallback
-     *
-     * @param {number} id request id to cancel
-     */
-    cancelVideoFrameCallback(id) {
-      if (this.featuresVideoFrameCallback && !this.el_.webkitKeys) {
-        this.el_.cancelVideoFrameCallback(id);
-      } else {
-        super.cancelVideoFrameCallback(id);
-      }
-    }
-
-    /**
-     * A getter/setter for the `Html5` Tech's source object.
-     * > Note: Please use {@link Html5#setSource}
-     *
-     * @param {Tech~SourceObject} [src]
-     *        The source object you want to set on the `HTML5` techs element.
-     *
-     * @return {Tech~SourceObject|undefined}
-     *         - The current source object when a source is not passed in.
-     *         - undefined when setting
-     *
-     * @deprecated Since version 5.
-     */
-    src(src) {
-      if (src === undefined) {
-        return this.el_.src;
-      }
-
-      // Setting src through `src` instead of `setSrc` will be deprecated
-      this.setSrc(src);
-    }
-
-    /**
-     * Reset the tech by removing all sources and then calling
-     * {@link Html5.resetMediaElement}.
-     */
-    reset() {
-      Html5.resetMediaElement(this.el_);
-    }
-
-    /**
-     * Get the current source on the `HTML5` Tech. Falls back to returning the source from
-     * the HTML5 media element.
-     *
-     * @return {Tech~SourceObject}
-     *         The current source object from the HTML5 tech. With a fallback to the
-     *         elements source.
-     */
-    currentSrc() {
-      if (this.currentSource_) {
-        return this.currentSource_.src;
-      }
-      return this.el_.currentSrc;
-    }
-
-    /**
-     * Set controls attribute for the HTML5 media Element.
-     *
-     * @param {string} val
-     *        Value to set the controls attribute to
-     */
-    setControls(val) {
-      this.el_.controls = !!val;
-    }
-
-    /**
-     * Create and returns a remote {@link TextTrack} object.
-     *
-     * @param {string} kind
-     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
-     *
-     * @param {string} [label]
-     *        Label to identify the text track
-     *
-     * @param {string} [language]
-     *        Two letter language abbreviation
-     *
-     * @return {TextTrack}
-     *         The TextTrack that gets created.
-     */
-    addTextTrack(kind, label, language) {
-      if (!this.featuresNativeTextTracks) {
-        return super.addTextTrack(kind, label, language);
-      }
-      return this.el_.addTextTrack(kind, label, language);
-    }
-
-    /**
-     * Creates either native TextTrack or an emulated TextTrack depending
-     * on the value of `featuresNativeTextTracks`
-     *
-     * @param {Object} options
-     *        The object should contain the options to initialize the TextTrack with.
-     *
-     * @param {string} [options.kind]
-     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
-     *
-     * @param {string} [options.label]
-     *        Label to identify the text track
-     *
-     * @param {string} [options.language]
-     *        Two letter language abbreviation.
-     *
-     * @param {boolean} [options.default]
-     *        Default this track to on.
-     *
-     * @param {string} [options.id]
-     *        The internal id to assign this track.
-     *
-     * @param {string} [options.src]
-     *        A source url for the track.
-     *
-     * @return {HTMLTrackElement}
-     *         The track element that gets created.
-     */
-    createRemoteTextTrack(options) {
-      if (!this.featuresNativeTextTracks) {
-        return super.createRemoteTextTrack(options);
-      }
-      const htmlTrackElement = document.createElement('track');
-      if (options.kind) {
-        htmlTrackElement.kind = options.kind;
-      }
-      if (options.label) {
-        htmlTrackElement.label = options.label;
-      }
-      if (options.language || options.srclang) {
-        htmlTrackElement.srclang = options.language || options.srclang;
-      }
-      if (options.default) {
-        htmlTrackElement.default = options.default;
-      }
-      if (options.id) {
-        htmlTrackElement.id = options.id;
-      }
-      if (options.src) {
-        htmlTrackElement.src = options.src;
-      }
-      return htmlTrackElement;
-    }
-
-    /**
-     * Creates a remote text track object and returns an html track element.
-     *
-     * @param {Object} options The object should contain values for
-     * kind, language, label, and src (location of the WebVTT file)
-     * @param {boolean} [manualCleanup=false] if set to true, the TextTrack
-     * will not be removed from the TextTrackList and HtmlTrackElementList
-     * after a source change
-     * @return {HTMLTrackElement} An Html Track Element.
-     * This can be an emulated {@link HTMLTrackElement} or a native one.
-     *
-     */
-    addRemoteTextTrack(options, manualCleanup) {
-      const htmlTrackElement = super.addRemoteTextTrack(options, manualCleanup);
-      if (this.featuresNativeTextTracks) {
-        this.el().appendChild(htmlTrackElement);
-      }
-      return htmlTrackElement;
-    }
-
-    /**
-     * Remove remote `TextTrack` from `TextTrackList` object
-     *
-     * @param {TextTrack} track
-     *        `TextTrack` object to remove
-     */
-    removeRemoteTextTrack(track) {
-      super.removeRemoteTextTrack(track);
-      if (this.featuresNativeTextTracks) {
-        const tracks = this.$$('track');
-        let i = tracks.length;
-        while (i--) {
-          if (track === tracks[i] || track === tracks[i].track) {
-            this.el().removeChild(tracks[i]);
-          }
-        }
-      }
-    }
-
-    /**
-     * Gets available media playback quality metrics as specified by the W3C's Media
-     * Playback Quality API.
-     *
-     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
-     *
-     * @return {Object}
-     *         An object with supported media playback quality metrics
-     */
-    getVideoPlaybackQuality() {
-      if (typeof this.el().getVideoPlaybackQuality === 'function') {
-        return this.el().getVideoPlaybackQuality();
-      }
-      const videoPlaybackQuality = {};
-      if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
-        videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
-        videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
-      }
-      if (window.performance) {
-        videoPlaybackQuality.creationTime = window.performance.now();
-      }
-      return videoPlaybackQuality;
-    }
-  }
-
-  /* HTML5 Support Testing ---------------------------------------------------- */
-
-  /**
-   * Element for testing browser HTML5 media capabilities
-   *
-   * @type {Element}
-   * @constant
-   * @private
-   */
-  defineLazyProperty(Html5, 'TEST_VID', function () {
-    if (!isReal()) {
-      return;
-    }
-    const video = document.createElement('video');
-    const track = document.createElement('track');
-    track.kind = 'captions';
-    track.srclang = 'en';
-    track.label = 'English';
-    video.appendChild(track);
-    return video;
-  });
-
-  /**
-   * Check if HTML5 media is supported by this browser/device.
-   *
-   * @return {boolean}
-   *         - True if HTML5 media is supported.
-   *         - False if HTML5 media is not supported.
-   */
-  Html5.isSupported = function () {
-    // IE with no Media Player is a LIAR! (#984)
-    try {
-      Html5.TEST_VID.volume = 0.5;
-    } catch (e) {
-      return false;
-    }
-    return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
-  };
-
-  /**
-   * Check if the tech can support the given type
-   *
-   * @param {string} type
-   *        The mimetype to check
-   * @return {string} 'probably', 'maybe', or '' (empty string)
-   */
-  Html5.canPlayType = function (type) {
-    return Html5.TEST_VID.canPlayType(type);
-  };
-
-  /**
-   * Check if the tech can support the given source
-   *
-   * @param {Object} srcObj
-   *        The source object
-   * @param {Object} options
-   *        The options passed to the tech
-   * @return {string} 'probably', 'maybe', or '' (empty string)
-   */
-  Html5.canPlaySource = function (srcObj, options) {
-    return Html5.canPlayType(srcObj.type);
-  };
-
-  /**
-   * Check if the volume can be changed in this browser/device.
-   * Volume cannot be changed in a lot of mobile devices.
-   * Specifically, it can't be changed from 1 on iOS.
-   *
-   * @return {boolean}
-   *         - True if volume can be controlled
-   *         - False otherwise
-   */
-  Html5.canControlVolume = function () {
-    // IE will error if Windows Media Player not installed #3315
-    try {
-      const volume = Html5.TEST_VID.volume;
-      Html5.TEST_VID.volume = volume / 2 + 0.1;
-      const canControl = volume !== Html5.TEST_VID.volume;
-
-      // With the introduction of iOS 15, there are cases where the volume is read as
-      // changed but reverts back to its original state at the start of the next tick.
-      // To determine whether volume can be controlled on iOS,
-      // a timeout is set and the volume is checked asynchronously.
-      // Since `features` doesn't currently work asynchronously, the value is manually set.
-      if (canControl && IS_IOS) {
-        window.setTimeout(() => {
-          if (Html5 && Html5.prototype) {
-            Html5.prototype.featuresVolumeControl = volume !== Html5.TEST_VID.volume;
-          }
-        });
-
-        // default iOS to false, which will be updated in the timeout above.
-        return false;
-      }
-      return canControl;
-    } catch (e) {
-      return false;
-    }
-  };
-
-  /**
-   * Check if the volume can be muted in this browser/device.
-   * Some devices, e.g. iOS, don't allow changing volume
-   * but permits muting/unmuting.
-   *
-   * @return {boolean}
-   *      - True if volume can be muted
-   *      - False otherwise
-   */
-  Html5.canMuteVolume = function () {
-    try {
-      const muted = Html5.TEST_VID.muted;
-
-      // in some versions of iOS muted property doesn't always
-      // work, so we want to set both property and attribute
-      Html5.TEST_VID.muted = !muted;
-      if (Html5.TEST_VID.muted) {
-        setAttribute(Html5.TEST_VID, 'muted', 'muted');
-      } else {
-        removeAttribute(Html5.TEST_VID, 'muted', 'muted');
-      }
-      return muted !== Html5.TEST_VID.muted;
-    } catch (e) {
-      return false;
-    }
-  };
-
-  /**
-   * Check if the playback rate can be changed in this browser/device.
-   *
-   * @return {boolean}
-   *         - True if playback rate can be controlled
-   *         - False otherwise
-   */
-  Html5.canControlPlaybackRate = function () {
-    // Playback rate API is implemented in Android Chrome, but doesn't do anything
-    // https://github.com/videojs/video.js/issues/3180
-    if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
-      return false;
-    }
-    // IE will error if Windows Media Player not installed #3315
-    try {
-      const playbackRate = Html5.TEST_VID.playbackRate;
-      Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
-      return playbackRate !== Html5.TEST_VID.playbackRate;
-    } catch (e) {
-      return false;
-    }
-  };
-
-  /**
-   * Check if we can override a video/audio elements attributes, with
-   * Object.defineProperty.
-   *
-   * @return {boolean}
-   *         - True if builtin attributes can be overridden
-   *         - False otherwise
-   */
-  Html5.canOverrideAttributes = function () {
-    // if we cannot overwrite the src/innerHTML property, there is no support
-    // iOS 7 safari for instance cannot do this.
-    try {
-      const noop = () => {};
-      Object.defineProperty(document.createElement('video'), 'src', {
-        get: noop,
-        set: noop
-      });
-      Object.defineProperty(document.createElement('audio'), 'src', {
-        get: noop,
-        set: noop
-      });
-      Object.defineProperty(document.createElement('video'), 'innerHTML', {
-        get: noop,
-        set: noop
-      });
-      Object.defineProperty(document.createElement('audio'), 'innerHTML', {
-        get: noop,
-        set: noop
-      });
-    } catch (e) {
-      return false;
-    }
-    return true;
-  };
-
-  /**
-   * Check to see if native `TextTrack`s are supported by this browser/device.
-   *
-   * @return {boolean}
-   *         - True if native `TextTrack`s are supported.
-   *         - False otherwise
-   */
-  Html5.supportsNativeTextTracks = function () {
-    return IS_ANY_SAFARI || IS_IOS && IS_CHROME;
-  };
-
-  /**
-   * Check to see if native `VideoTrack`s are supported by this browser/device
-   *
-   * @return {boolean}
-   *        - True if native `VideoTrack`s are supported.
-   *        - False otherwise
-   */
-  Html5.supportsNativeVideoTracks = function () {
-    return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
-  };
-
-  /**
-   * Check to see if native `AudioTrack`s are supported by this browser/device
-   *
-   * @return {boolean}
-   *        - True if native `AudioTrack`s are supported.
-   *        - False otherwise
-   */
-  Html5.supportsNativeAudioTracks = function () {
-    return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
-  };
-
-  /**
-   * An array of events available on the Html5 tech.
-   *
-   * @private
-   * @type {Array}
-   */
-  Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
-
-  /**
-   * Boolean indicating whether the `Tech` supports volume control.
-   *
-   * @type {boolean}
-   * @default {@link Html5.canControlVolume}
-   */
-  /**
-   * Boolean indicating whether the `Tech` supports muting volume.
-   *
-   * @type {boolean}
-   * @default {@link Html5.canMuteVolume}
-   */
-
-  /**
-   * Boolean indicating whether the `Tech` supports changing the speed at which the media
-   * plays. Examples:
-   *   - Set player to play 2x (twice) as fast
-   *   - Set player to play 0.5x (half) as fast
-   *
-   * @type {boolean}
-   * @default {@link Html5.canControlPlaybackRate}
-   */
-
-  /**
-   * Boolean indicating whether the `Tech` supports the `sourceset` event.
-   *
-   * @type {boolean}
-   * @default
-   */
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
-   *
-   * @type {boolean}
-   * @default {@link Html5.supportsNativeTextTracks}
-   */
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
-   *
-   * @type {boolean}
-   * @default {@link Html5.supportsNativeVideoTracks}
-   */
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
-   *
-   * @type {boolean}
-   * @default {@link Html5.supportsNativeAudioTracks}
-   */
-  [['featuresMuteControl', 'canMuteVolume'], ['featuresPlaybackRate', 'canControlPlaybackRate'], ['featuresSourceset', 'canOverrideAttributes'], ['featuresNativeTextTracks', 'supportsNativeTextTracks'], ['featuresNativeVideoTracks', 'supportsNativeVideoTracks'], ['featuresNativeAudioTracks', 'supportsNativeAudioTracks']].forEach(function ([key, fn]) {
-    defineLazyProperty(Html5.prototype, key, () => Html5[fn](), true);
-  });
-  Html5.prototype.featuresVolumeControl = Html5.canControlVolume();
-
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports the media element
-   * moving in the DOM. iOS breaks if you move the media element, so this is set this to
-   * false there. Everywhere else this should be true.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Html5.prototype.movingMediaElementInDOM = !IS_IOS;
-
-  // TODO: Previous comment: No longer appears to be used. Can probably be removed.
-  //       Is this true?
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
-   * when going into fullscreen.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Html5.prototype.featuresFullscreenResize = true;
-
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports the progress event.
-   * If this is false, manual `progress` events will be triggered instead.
-   *
-   * @type {boolean}
-   * @default
-   */
-  Html5.prototype.featuresProgressEvents = true;
-
-  /**
-   * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
-   * If this is false, manual `timeupdate` events will be triggered instead.
-   *
-   * @default
-   */
-  Html5.prototype.featuresTimeupdateEvents = true;
-
-  /**
-   * Whether the HTML5 el supports `requestVideoFrameCallback`
-   *
-   * @type {boolean}
-   */
-  Html5.prototype.featuresVideoFrameCallback = !!(Html5.TEST_VID && Html5.TEST_VID.requestVideoFrameCallback);
-  Html5.disposeMediaElement = function (el) {
-    if (!el) {
-      return;
-    }
-    if (el.parentNode) {
-      el.parentNode.removeChild(el);
-    }
-
-    // remove any child track or source nodes to prevent their loading
-    while (el.hasChildNodes()) {
-      el.removeChild(el.firstChild);
-    }
-
-    // remove any src reference. not setting `src=''` because that causes a warning
-    // in firefox
-    el.removeAttribute('src');
-
-    // force the media element to update its loading state by calling load()
-    // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
-    if (typeof el.load === 'function') {
-      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
-      (function () {
-        try {
-          el.load();
-        } catch (e) {
-          // not supported
-        }
-      })();
-    }
-  };
-  Html5.resetMediaElement = function (el) {
-    if (!el) {
-      return;
-    }
-    const sources = el.querySelectorAll('source');
-    let i = sources.length;
-    while (i--) {
-      el.removeChild(sources[i]);
-    }
-
-    // remove any src reference.
-    // not setting `src=''` because that throws an error
-    el.removeAttribute('src');
-    if (typeof el.load === 'function') {
-      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
-      (function () {
-        try {
-          el.load();
-        } catch (e) {
-          // satisfy linter
-        }
-      })();
-    }
-  };
-
-  /* Native HTML5 element property wrapping ----------------------------------- */
-  // Wrap native boolean attributes with getters that check both property and attribute
-  // The list is as followed:
-  // muted, defaultMuted, autoplay, controls, loop, playsinline
-  [
-  /**
-   * Get the value of `muted` from the media element. `muted` indicates
-   * that the volume for the media should be set to silent. This does not actually change
-   * the `volume` attribute.
-   *
-   * @method Html5#muted
-   * @return {boolean}
-   *         - True if the value of `volume` should be ignored and the audio set to silent.
-   *         - False if the value of `volume` should be used.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
-   */
-  'muted',
-  /**
-   * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
-   * whether the media should start muted or not. Only changes the default state of the
-   * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
-   * current state.
-   *
-   * @method Html5#defaultMuted
-   * @return {boolean}
-   *         - The value of `defaultMuted` from the media element.
-   *         - True indicates that the media should start muted.
-   *         - False indicates that the media should not start muted
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
-   */
-  'defaultMuted',
-  /**
-   * Get the value of `autoplay` from the media element. `autoplay` indicates
-   * that the media should start to play as soon as the page is ready.
-   *
-   * @method Html5#autoplay
-   * @return {boolean}
-   *         - The value of `autoplay` from the media element.
-   *         - True indicates that the media should start as soon as the page loads.
-   *         - False indicates that the media should not start as soon as the page loads.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
-   */
-  'autoplay',
-  /**
-   * Get the value of `controls` from the media element. `controls` indicates
-   * whether the native media controls should be shown or hidden.
-   *
-   * @method Html5#controls
-   * @return {boolean}
-   *         - The value of `controls` from the media element.
-   *         - True indicates that native controls should be showing.
-   *         - False indicates that native controls should be hidden.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
-   */
-  'controls',
-  /**
-   * Get the value of `loop` from the media element. `loop` indicates
-   * that the media should return to the start of the media and continue playing once
-   * it reaches the end.
-   *
-   * @method Html5#loop
-   * @return {boolean}
-   *         - The value of `loop` from the media element.
-   *         - True indicates that playback should seek back to start once
-   *           the end of a media is reached.
-   *         - False indicates that playback should not loop back to the start when the
-   *           end of the media is reached.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
-   */
-  'loop',
-  /**
-   * Get the value of `playsinline` from the media element. `playsinline` indicates
-   * to the browser that non-fullscreen playback is preferred when fullscreen
-   * playback is the native default, such as in iOS Safari.
-   *
-   * @method Html5#playsinline
-   * @return {boolean}
-   *         - The value of `playsinline` from the media element.
-   *         - True indicates that the media should play inline.
-   *         - False indicates that the media should not play inline.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
-   */
-  'playsinline'].forEach(function (prop) {
-    Html5.prototype[prop] = function () {
-      return this.el_[prop] || this.el_.hasAttribute(prop);
-    };
-  });
-
-  // Wrap native boolean attributes with setters that set both property and attribute
-  // The list is as followed:
-  // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
-  // setControls is special-cased above
-  [
-  /**
-   * Set the value of `muted` on the media element. `muted` indicates that the current
-   * audio level should be silent.
-   *
-   * @method Html5#setMuted
-   * @param {boolean} muted
-   *        - True if the audio should be set to silent
-   *        - False otherwise
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
-   */
-  'muted',
-  /**
-   * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
-   * audio level should be silent, but will only effect the muted level on initial playback..
-   *
-   * @method Html5.prototype.setDefaultMuted
-   * @param {boolean} defaultMuted
-   *        - True if the audio should be set to silent
-   *        - False otherwise
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
-   */
-  'defaultMuted',
-  /**
-   * Set the value of `autoplay` on the media element. `autoplay` indicates
-   * that the media should start to play as soon as the page is ready.
-   *
-   * @method Html5#setAutoplay
-   * @param {boolean} autoplay
-   *         - True indicates that the media should start as soon as the page loads.
-   *         - False indicates that the media should not start as soon as the page loads.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
-   */
-  'autoplay',
-  /**
-   * Set the value of `loop` on the media element. `loop` indicates
-   * that the media should return to the start of the media and continue playing once
-   * it reaches the end.
-   *
-   * @method Html5#setLoop
-   * @param {boolean} loop
-   *         - True indicates that playback should seek back to start once
-   *           the end of a media is reached.
-   *         - False indicates that playback should not loop back to the start when the
-   *           end of the media is reached.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
-   */
-  'loop',
-  /**
-   * Set the value of `playsinline` from the media element. `playsinline` indicates
-   * to the browser that non-fullscreen playback is preferred when fullscreen
-   * playback is the native default, such as in iOS Safari.
-   *
-   * @method Html5#setPlaysinline
-   * @param {boolean} playsinline
-   *         - True indicates that the media should play inline.
-   *         - False indicates that the media should not play inline.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
-   */
-  'playsinline'].forEach(function (prop) {
-    Html5.prototype['set' + toTitleCase(prop)] = function (v) {
-      this.el_[prop] = v;
-      if (v) {
-        this.el_.setAttribute(prop, prop);
-      } else {
-        this.el_.removeAttribute(prop);
-      }
-    };
-  });
-
-  // Wrap native properties with a getter
-  // The list is as followed
-  // paused, currentTime, buffered, volume, poster, preload, error, seeking
-  // seekable, ended, playbackRate, defaultPlaybackRate, disablePictureInPicture
-  // played, networkState, readyState, videoWidth, videoHeight, crossOrigin
-  [
-  /**
-   * Get the value of `paused` from the media element. `paused` indicates whether the media element
-   * is currently paused or not.
-   *
-   * @method Html5#paused
-   * @return {boolean}
-   *         The value of `paused` from the media element.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
-   */
-  'paused',
-  /**
-   * Get the value of `currentTime` from the media element. `currentTime` indicates
-   * the current second that the media is at in playback.
-   *
-   * @method Html5#currentTime
-   * @return {number}
-   *         The value of `currentTime` from the media element.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
-   */
-  'currentTime',
-  /**
-   * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
-   * object that represents the parts of the media that are already downloaded and
-   * available for playback.
-   *
-   * @method Html5#buffered
-   * @return {TimeRange}
-   *         The value of `buffered` from the media element.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
-   */
-  'buffered',
-  /**
-   * Get the value of `volume` from the media element. `volume` indicates
-   * the current playback volume of audio for a media. `volume` will be a value from 0
-   * (silent) to 1 (loudest and default).
-   *
-   * @method Html5#volume
-   * @return {number}
-   *         The value of `volume` from the media element. Value will be between 0-1.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
-   */
-  'volume',
-  /**
-   * Get the value of `poster` from the media element. `poster` indicates
-   * that the url of an image file that can/will be shown when no media data is available.
-   *
-   * @method Html5#poster
-   * @return {string}
-   *         The value of `poster` from the media element. Value will be a url to an
-   *         image.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
-   */
-  'poster',
-  /**
-   * Get the value of `preload` from the media element. `preload` indicates
-   * what should download before the media is interacted with. It can have the following
-   * values:
-   * - none: nothing should be downloaded
-   * - metadata: poster and the first few frames of the media may be downloaded to get
-   *   media dimensions and other metadata
-   * - auto: allow the media and metadata for the media to be downloaded before
-   *    interaction
-   *
-   * @method Html5#preload
-   * @return {string}
-   *         The value of `preload` from the media element. Will be 'none', 'metadata',
-   *         or 'auto'.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
-   */
-  'preload',
-  /**
-   * Get the value of the `error` from the media element. `error` indicates any
-   * MediaError that may have occurred during playback. If error returns null there is no
-   * current error.
-   *
-   * @method Html5#error
-   * @return {MediaError|null}
-   *         The value of `error` from the media element. Will be `MediaError` if there
-   *         is a current error and null otherwise.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
-   */
-  'error',
-  /**
-   * Get the value of `seeking` from the media element. `seeking` indicates whether the
-   * media is currently seeking to a new position or not.
-   *
-   * @method Html5#seeking
-   * @return {boolean}
-   *         - The value of `seeking` from the media element.
-   *         - True indicates that the media is currently seeking to a new position.
-   *         - False indicates that the media is not seeking to a new position at this time.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
-   */
-  'seeking',
-  /**
-   * Get the value of `seekable` from the media element. `seekable` returns a
-   * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
-   *
-   * @method Html5#seekable
-   * @return {TimeRange}
-   *         The value of `seekable` from the media element. A `TimeRange` object
-   *         indicating the current ranges of time that can be seeked to.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
-   */
-  'seekable',
-  /**
-   * Get the value of `ended` from the media element. `ended` indicates whether
-   * the media has reached the end or not.
-   *
-   * @method Html5#ended
-   * @return {boolean}
-   *         - The value of `ended` from the media element.
-   *         - True indicates that the media has ended.
-   *         - False indicates that the media has not ended.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
-   */
-  'ended',
-  /**
-   * Get the value of `playbackRate` from the media element. `playbackRate` indicates
-   * the rate at which the media is currently playing back. Examples:
-   *   - if playbackRate is set to 2, media will play twice as fast.
-   *   - if playbackRate is set to 0.5, media will play half as fast.
-   *
-   * @method Html5#playbackRate
-   * @return {number}
-   *         The value of `playbackRate` from the media element. A number indicating
-   *         the current playback speed of the media, where 1 is normal speed.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
-   */
-  'playbackRate',
-  /**
-   * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
-   * the rate at which the media is currently playing back. This value will not indicate the current
-   * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
-   *
-   * Examples:
-   *   - if defaultPlaybackRate is set to 2, media will play twice as fast.
-   *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.
-   *
-   * @method Html5.prototype.defaultPlaybackRate
-   * @return {number}
-   *         The value of `defaultPlaybackRate` from the media element. A number indicating
-   *         the current playback speed of the media, where 1 is normal speed.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
-   */
-  'defaultPlaybackRate',
-  /**
-   * Get the value of 'disablePictureInPicture' from the video element.
-   *
-   * @method Html5#disablePictureInPicture
-   * @return {boolean} value
-   *         - The value of `disablePictureInPicture` from the video element.
-   *         - True indicates that the video can't be played in Picture-In-Picture mode
-   *         - False indicates that the video can be played in Picture-In-Picture mode
-   *
-   * @see [Spec]{@link https://w3c.github.io/picture-in-picture/#disable-pip}
-   */
-  'disablePictureInPicture',
-  /**
-   * Get the value of `played` from the media element. `played` returns a `TimeRange`
-   * object representing points in the media timeline that have been played.
-   *
-   * @method Html5#played
-   * @return {TimeRange}
-   *         The value of `played` from the media element. A `TimeRange` object indicating
-   *         the ranges of time that have been played.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
-   */
-  'played',
-  /**
-   * Get the value of `networkState` from the media element. `networkState` indicates
-   * the current network state. It returns an enumeration from the following list:
-   * - 0: NETWORK_EMPTY
-   * - 1: NETWORK_IDLE
-   * - 2: NETWORK_LOADING
-   * - 3: NETWORK_NO_SOURCE
-   *
-   * @method Html5#networkState
-   * @return {number}
-   *         The value of `networkState` from the media element. This will be a number
-   *         from the list in the description.
-   *
-   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
-   */
-  'networkState',
-  /**
-   * Get the value of `readyState` from the media element. `readyState` indicates
-   * the current state of the media element. It returns an enumeration from the
-   * following list:
-   * - 0: HAVE_NOTHING
-   * - 1: HAVE_METADATA
-   * - 2: HAVE_CURRENT_DATA
-   * - 3: HAVE_FUTURE_DATA
-   * - 4: HAVE_ENOUGH_DATA
-   *
-   * @method Html5#readyState
-   * @return {number}
-   *         The value of `readyState` from the media element. This will be a number
-   *         from the list in the description.
-   *
-   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
-   */
-  'readyState',
-  /**
-   * Get the value of `videoWidth` from the video element. `videoWidth` indicates
-   * the current width of the video in css pixels.
-   *
-   * @method Html5#videoWidth
-   * @return {number}
-   *         The value of `videoWidth` from the video element. This will be a number
-   *         in css pixels.
-   *
-   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
-   */
-  'videoWidth',
-  /**
-   * Get the value of `videoHeight` from the video element. `videoHeight` indicates
-   * the current height of the video in css pixels.
-   *
-   * @method Html5#videoHeight
-   * @return {number}
-   *         The value of `videoHeight` from the video element. This will be a number
-   *         in css pixels.
-   *
-   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
-   */
-  'videoHeight',
-  /**
-   * Get the value of `crossOrigin` from the media element. `crossOrigin` indicates
-   * to the browser that should sent the cookies along with the requests for the
-   * different assets/playlists
-   *
-   * @method Html5#crossOrigin
-   * @return {string}
-   *         - anonymous indicates that the media should not sent cookies.
-   *         - use-credentials indicates that the media should sent cookies along the requests.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-media-crossorigin}
-   */
-  'crossOrigin'].forEach(function (prop) {
-    Html5.prototype[prop] = function () {
-      return this.el_[prop];
-    };
-  });
-
-  // Wrap native properties with a setter in this format:
-  // set + toTitleCase(name)
-  // The list is as follows:
-  // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate,
-  // setDisablePictureInPicture, setCrossOrigin
-  [
-  /**
-   * Set the value of `volume` on the media element. `volume` indicates the current
-   * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
-   * so on.
-   *
-   * @method Html5#setVolume
-   * @param {number} percentAsDecimal
-   *        The volume percent as a decimal. Valid range is from 0-1.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
-   */
-  'volume',
-  /**
-   * Set the value of `src` on the media element. `src` indicates the current
-   * {@link Tech~SourceObject} for the media.
-   *
-   * @method Html5#setSrc
-   * @param {Tech~SourceObject} src
-   *        The source object to set as the current source.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
-   */
-  'src',
-  /**
-   * Set the value of `poster` on the media element. `poster` is the url to
-   * an image file that can/will be shown when no media data is available.
-   *
-   * @method Html5#setPoster
-   * @param {string} poster
-   *        The url to an image that should be used as the `poster` for the media
-   *        element.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
-   */
-  'poster',
-  /**
-   * Set the value of `preload` on the media element. `preload` indicates
-   * what should download before the media is interacted with. It can have the following
-   * values:
-   * - none: nothing should be downloaded
-   * - metadata: poster and the first few frames of the media may be downloaded to get
-   *   media dimensions and other metadata
-   * - auto: allow the media and metadata for the media to be downloaded before
-   *    interaction
-   *
-   * @method Html5#setPreload
-   * @param {string} preload
-   *         The value of `preload` to set on the media element. Must be 'none', 'metadata',
-   *         or 'auto'.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
-   */
-  'preload',
-  /**
-   * Set the value of `playbackRate` on the media element. `playbackRate` indicates
-   * the rate at which the media should play back. Examples:
-   *   - if playbackRate is set to 2, media will play twice as fast.
-   *   - if playbackRate is set to 0.5, media will play half as fast.
-   *
-   * @method Html5#setPlaybackRate
-   * @return {number}
-   *         The value of `playbackRate` from the media element. A number indicating
-   *         the current playback speed of the media, where 1 is normal speed.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
-   */
-  'playbackRate',
-  /**
-   * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
-   * the rate at which the media should play back upon initial startup. Changing this value
-   * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
-   *
-   * Example Values:
-   *   - if playbackRate is set to 2, media will play twice as fast.
-   *   - if playbackRate is set to 0.5, media will play half as fast.
-   *
-   * @method Html5.prototype.setDefaultPlaybackRate
-   * @return {number}
-   *         The value of `defaultPlaybackRate` from the media element. A number indicating
-   *         the current playback speed of the media, where 1 is normal speed.
-   *
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
-   */
-  'defaultPlaybackRate',
-  /**
-   * Prevents the browser from suggesting a Picture-in-Picture context menu
-   * or to request Picture-in-Picture automatically in some cases.
-   *
-   * @method Html5#setDisablePictureInPicture
-   * @param {boolean} value
-   *         The true value will disable Picture-in-Picture mode.
-   *
-   * @see [Spec]{@link https://w3c.github.io/picture-in-picture/#disable-pip}
-   */
-  'disablePictureInPicture',
-  /**
-   * Set the value of `crossOrigin` from the media element. `crossOrigin` indicates
-   * to the browser that should sent the cookies along with the requests for the
-   * different assets/playlists
-   *
-   * @method Html5#setCrossOrigin
-   * @param {string} crossOrigin
-   *         - anonymous indicates that the media should not sent cookies.
-   *         - use-credentials indicates that the media should sent cookies along the requests.
-   *
-   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-media-crossorigin}
-   */
-  'crossOrigin'].forEach(function (prop) {
-    Html5.prototype['set' + toTitleCase(prop)] = function (v) {
-      this.el_[prop] = v;
-    };
-  });
-
-  // wrap native functions with a function
-  // The list is as follows:
-  // pause, load, play
-  [
-  /**
-   * A wrapper around the media elements `pause` function. This will call the `HTML5`
-   * media elements `pause` function.
-   *
-   * @method Html5#pause
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
-   */
-  'pause',
-  /**
-   * A wrapper around the media elements `load` function. This will call the `HTML5`s
-   * media element `load` function.
-   *
-   * @method Html5#load
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
-   */
-  'load',
-  /**
-   * A wrapper around the media elements `play` function. This will call the `HTML5`s
-   * media element `play` function.
-   *
-   * @method Html5#play
-   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
-   */
-  'play'].forEach(function (prop) {
-    Html5.prototype[prop] = function () {
-      return this.el_[prop]();
-    };
-  });
-  Tech.withSourceHandlers(Html5);
-
-  /**
-   * Native source handler for Html5, simply passes the source to the media element.
-   *
-   * @property {Tech~SourceObject} source
-   *        The source object
-   *
-   * @property {Html5} tech
-   *        The instance of the HTML5 tech.
-   */
-  Html5.nativeSourceHandler = {};
-
-  /**
-   * Check if the media element can play the given mime type.
-   *
-   * @param {string} type
-   *        The mimetype to check
-   *
-   * @return {string}
-   *         'probably', 'maybe', or '' (empty string)
-   */
-  Html5.nativeSourceHandler.canPlayType = function (type) {
-    // IE without MediaPlayer throws an error (#519)
-    try {
-      return Html5.TEST_VID.canPlayType(type);
-    } catch (e) {
-      return '';
-    }
-  };
-
-  /**
-   * Check if the media element can handle a source natively.
-   *
-   * @param {Tech~SourceObject} source
-   *         The source object
-   *
-   * @param {Object} [options]
-   *         Options to be passed to the tech.
-   *
-   * @return {string}
-   *         'probably', 'maybe', or '' (empty string).
-   */
-  Html5.nativeSourceHandler.canHandleSource = function (source, options) {
-    // If a type was provided we should rely on that
-    if (source.type) {
-      return Html5.nativeSourceHandler.canPlayType(source.type);
-
-      // If no type, fall back to checking 'video/[EXTENSION]'
-    } else if (source.src) {
-      const ext = getFileExtension(source.src);
-      return Html5.nativeSourceHandler.canPlayType(`video/${ext}`);
-    }
-    return '';
-  };
-
-  /**
-   * Pass the source to the native media element.
-   *
-   * @param {Tech~SourceObject} source
-   *        The source object
-   *
-   * @param {Html5} tech
-   *        The instance of the Html5 tech
-   *
-   * @param {Object} [options]
-   *        The options to pass to the source
-   */
-  Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
-    tech.setSrc(source.src);
-  };
-
-  /**
-   * A noop for the native dispose function, as cleanup is not needed.
-   */
-  Html5.nativeSourceHandler.dispose = function () {};
-
-  // Register the native source handler
-  Html5.registerSourceHandler(Html5.nativeSourceHandler);
-  Tech.registerTech('Html5', Html5);
-
-  /**
-   * @file player.js
-   */
-
-  // The following tech events are simply re-triggered
-  // on the player when they happen
-  const TECH_EVENTS_RETRIGGER = [
-  /**
-   * Fired while the user agent is downloading media data.
-   *
-   * @event Player#progress
-   * @type {Event}
-   */
-  /**
-   * Retrigger the `progress` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechProgress_
-   * @fires Player#progress
-   * @listens Tech#progress
-   */
-  'progress',
-  /**
-   * Fires when the loading of an audio/video is aborted.
-   *
-   * @event Player#abort
-   * @type {Event}
-   */
-  /**
-   * Retrigger the `abort` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechAbort_
-   * @fires Player#abort
-   * @listens Tech#abort
-   */
-  'abort',
-  /**
-   * Fires when the browser is intentionally not getting media data.
-   *
-   * @event Player#suspend
-   * @type {Event}
-   */
-  /**
-   * Retrigger the `suspend` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechSuspend_
-   * @fires Player#suspend
-   * @listens Tech#suspend
-   */
-  'suspend',
-  /**
-   * Fires when the current playlist is empty.
-   *
-   * @event Player#emptied
-   * @type {Event}
-   */
-  /**
-   * Retrigger the `emptied` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechEmptied_
-   * @fires Player#emptied
-   * @listens Tech#emptied
-   */
-  'emptied',
-  /**
-   * Fires when the browser is trying to get media data, but data is not available.
-   *
-   * @event Player#stalled
-   * @type {Event}
-   */
-  /**
-   * Retrigger the `stalled` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechStalled_
-   * @fires Player#stalled
-   * @listens Tech#stalled
-   */
-  'stalled',
-  /**
-   * Fires when the browser has loaded meta data for the audio/video.
-   *
-   * @event Player#loadedmetadata
-   * @type {Event}
-   */
-  /**
-   * Retrigger the `loadedmetadata` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechLoadedmetadata_
-   * @fires Player#loadedmetadata
-   * @listens Tech#loadedmetadata
-   */
-  'loadedmetadata',
-  /**
-   * Fires when the browser has loaded the current frame of the audio/video.
-   *
-   * @event Player#loadeddata
-   * @type {event}
-   */
-  /**
-   * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechLoaddeddata_
-   * @fires Player#loadeddata
-   * @listens Tech#loadeddata
-   */
-  'loadeddata',
-  /**
-   * Fires when the current playback position has changed.
-   *
-   * @event Player#timeupdate
-   * @type {event}
-   */
-  /**
-   * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechTimeUpdate_
-   * @fires Player#timeupdate
-   * @listens Tech#timeupdate
-   */
-  'timeupdate',
-  /**
-   * Fires when the video's intrinsic dimensions change
-   *
-   * @event Player#resize
-   * @type {event}
-   */
-  /**
-   * Retrigger the `resize` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechResize_
-   * @fires Player#resize
-   * @listens Tech#resize
-   */
-  'resize',
-  /**
-   * Fires when the volume has been changed
-   *
-   * @event Player#volumechange
-   * @type {event}
-   */
-  /**
-   * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechVolumechange_
-   * @fires Player#volumechange
-   * @listens Tech#volumechange
-   */
-  'volumechange',
-  /**
-   * Fires when the text track has been changed
-   *
-   * @event Player#texttrackchange
-   * @type {event}
-   */
-  /**
-   * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
-   *
-   * @private
-   * @method Player#handleTechTexttrackchange_
-   * @fires Player#texttrackchange
-   * @listens Tech#texttrackchange
-   */
-  'texttrackchange'];
-
-  // events to queue when playback rate is zero
-  // this is a hash for the sole purpose of mapping non-camel-cased event names
-  // to camel-cased function names
-  const TECH_EVENTS_QUEUE = {
-    canplay: 'CanPlay',
-    canplaythrough: 'CanPlayThrough',
-    playing: 'Playing',
-    seeked: 'Seeked'
-  };
-  const BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];
-  const BREAKPOINT_CLASSES = {};
-
-  // grep: vjs-layout-tiny
-  // grep: vjs-layout-x-small
-  // grep: vjs-layout-small
-  // grep: vjs-layout-medium
-  // grep: vjs-layout-large
-  // grep: vjs-layout-x-large
-  // grep: vjs-layout-huge
-  BREAKPOINT_ORDER.forEach(k => {
-    const v = k.charAt(0) === 'x' ? `x-${k.substring(1)}` : k;
-    BREAKPOINT_CLASSES[k] = `vjs-layout-${v}`;
-  });
-  const DEFAULT_BREAKPOINTS = {
-    tiny: 210,
-    xsmall: 320,
-    small: 425,
-    medium: 768,
-    large: 1440,
-    xlarge: 2560,
-    huge: Infinity
-  };
-
-  /**
-   * An instance of the `Player` class is created when any of the Video.js setup methods
-   * are used to initialize a video.
-   *
-   * After an instance has been created it can be accessed globally in three ways:
-   * 1. By calling `videojs.getPlayer('example_video_1');`
-   * 2. By calling `videojs('example_video_1');` (not recommended)
-   * 2. By using it directly via `videojs.players.example_video_1;`
-   *
-   * @extends Component
-   * @global
-   */
-  class Player extends Component {
-    /**
-     * Create an instance of this class.
-     *
-     * @param {Element} tag
-     *        The original video DOM element used for configuring options.
-     *
-     * @param {Object} [options]
-     *        Object of option names and values.
-     *
-     * @param {Function} [ready]
-     *        Ready callback function.
-     */
-    constructor(tag, options, ready) {
-      // Make sure tag ID exists
-      // also here.. probably better
-      tag.id = tag.id || options.id || `vjs_video_${newGUID()}`;
-
-      // Set Options
-      // The options argument overrides options set in the video tag
-      // which overrides globally set options.
-      // This latter part coincides with the load order
-      // (tag must exist before Player)
-      options = Object.assign(Player.getTagSettings(tag), options);
-
-      // Delay the initialization of children because we need to set up
-      // player properties first, and can't use `this` before `super()`
-      options.initChildren = false;
-
-      // Same with creating the element
-      options.createEl = false;
-
-      // don't auto mixin the evented mixin
-      options.evented = false;
-
-      // we don't want the player to report touch activity on itself
-      // see enableTouchActivity in Component
-      options.reportTouchActivity = false;
-
-      // If language is not set, get the closest lang attribute
-      if (!options.language) {
-        const closest = tag.closest('[lang]');
-        if (closest) {
-          options.language = closest.getAttribute('lang');
-        }
-      }
-
-      // Run base component initializing with new options
-      super(null, options, ready);
-
-      // Create bound methods for document listeners.
-      this.boundDocumentFullscreenChange_ = e => this.documentFullscreenChange_(e);
-      this.boundFullWindowOnEscKey_ = e => this.fullWindowOnEscKey(e);
-      this.boundUpdateStyleEl_ = e => this.updateStyleEl_(e);
-      this.boundApplyInitTime_ = e => this.applyInitTime_(e);
-      this.boundUpdateCurrentBreakpoint_ = e => this.updateCurrentBreakpoint_(e);
-      this.boundHandleTechClick_ = e => this.handleTechClick_(e);
-      this.boundHandleTechDoubleClick_ = e => this.handleTechDoubleClick_(e);
-      this.boundHandleTechTouchStart_ = e => this.handleTechTouchStart_(e);
-      this.boundHandleTechTouchMove_ = e => this.handleTechTouchMove_(e);
-      this.boundHandleTechTouchEnd_ = e => this.handleTechTouchEnd_(e);
-      this.boundHandleTechTap_ = e => this.handleTechTap_(e);
-
-      // default isFullscreen_ to false
-      this.isFullscreen_ = false;
-
-      // create logger
-      this.log = createLogger(this.id_);
-
-      // Hold our own reference to fullscreen api so it can be mocked in tests
-      this.fsApi_ = FullscreenApi;
-
-      // Tracks when a tech changes the poster
-      this.isPosterFromTech_ = false;
-
-      // Holds callback info that gets queued when playback rate is zero
-      // and a seek is happening
-      this.queuedCallbacks_ = [];
-
-      // Turn off API access because we're loading a new tech that might load asynchronously
-      this.isReady_ = false;
-
-      // Init state hasStarted_
-      this.hasStarted_ = false;
-
-      // Init state userActive_
-      this.userActive_ = false;
-
-      // Init debugEnabled_
-      this.debugEnabled_ = false;
-
-      // Init state audioOnlyMode_
-      this.audioOnlyMode_ = false;
-
-      // Init state audioPosterMode_
-      this.audioPosterMode_ = false;
-
-      // Init state audioOnlyCache_
-      this.audioOnlyCache_ = {
-        playerHeight: null,
-        hiddenChildren: []
-      };
-
-      // if the global option object was accidentally blown away by
-      // someone, bail early with an informative error
-      if (!this.options_ || !this.options_.techOrder || !this.options_.techOrder.length) {
-        throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
-      }
-
-      // Store the original tag used to set options
-      this.tag = tag;
-
-      // Store the tag attributes used to restore html5 element
-      this.tagAttributes = tag && getAttributes(tag);
-
-      // Update current language
-      this.language(this.options_.language);
-
-      // Update Supported Languages
-      if (options.languages) {
-        // Normalise player option languages to lowercase
-        const languagesToLower = {};
-        Object.getOwnPropertyNames(options.languages).forEach(function (name) {
-          languagesToLower[name.toLowerCase()] = options.languages[name];
-        });
-        this.languages_ = languagesToLower;
-      } else {
-        this.languages_ = Player.prototype.options_.languages;
-      }
-      this.resetCache_();
-
-      // Set poster
-      /** @type string */
-      this.poster_ = options.poster || '';
-
-      // Set controls
-      /** @type {boolean} */
-      this.controls_ = !!options.controls;
-
-      // Original tag settings stored in options
-      // now remove immediately so native controls don't flash.
-      // May be turned back on by HTML5 tech if nativeControlsForTouch is true
-      tag.controls = false;
-      tag.removeAttribute('controls');
-      this.changingSrc_ = false;
-      this.playCallbacks_ = [];
-      this.playTerminatedQueue_ = [];
-
-      // the attribute overrides the option
-      if (tag.hasAttribute('autoplay')) {
-        this.autoplay(true);
-      } else {
-        // otherwise use the setter to validate and
-        // set the correct value.
-        this.autoplay(this.options_.autoplay);
-      }
-
-      // check plugins
-      if (options.plugins) {
-        Object.keys(options.plugins).forEach(name => {
-          if (typeof this[name] !== 'function') {
-            throw new Error(`plugin "${name}" does not exist`);
-          }
-        });
-      }
-
-      /*
-       * Store the internal state of scrubbing
-       *
-       * @private
-       * @return {Boolean} True if the user is scrubbing
-       */
-      this.scrubbing_ = false;
-      this.el_ = this.createEl();
-
-      // Make this an evented object and use `el_` as its event bus.
-      evented(this, {
-        eventBusKey: 'el_'
-      });
-
-      // listen to document and player fullscreenchange handlers so we receive those events
-      // before a user can receive them so we can update isFullscreen appropriately.
-      // make sure that we listen to fullscreenchange events before everything else to make sure that
-      // our isFullscreen method is updated properly for internal components as well as external.
-      if (this.fsApi_.requestFullscreen) {
-        on(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);
-        this.on(this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);
-      }
-      if (this.fluid_) {
-        this.on(['playerreset', 'resize'], this.boundUpdateStyleEl_);
-      }
-      // We also want to pass the original player options to each component and plugin
-      // as well so they don't need to reach back into the player for options later.
-      // We also need to do another copy of this.options_ so we don't end up with
-      // an infinite loop.
-      const playerOptionsCopy = merge(this.options_);
-
-      // Load plugins
-      if (options.plugins) {
-        Object.keys(options.plugins).forEach(name => {
-          this[name](options.plugins[name]);
-        });
-      }
-
-      // Enable debug mode to fire debugon event for all plugins.
-      if (options.debug) {
-        this.debug(true);
-      }
-      this.options_.playerOptions = playerOptionsCopy;
-      this.middleware_ = [];
-      this.playbackRates(options.playbackRates);
-      if (options.experimentalSvgIcons) {
-        // Add SVG Sprite to the DOM
-        const parser = new window.DOMParser();
-        const parsedSVG = parser.parseFromString(icons, 'image/svg+xml');
-        const errorNode = parsedSVG.querySelector('parsererror');
-        if (errorNode) {
-          log.warn('Failed to load SVG Icons. Falling back to Font Icons.');
-          this.options_.experimentalSvgIcons = null;
-        } else {
-          const sprite = parsedSVG.documentElement;
-          sprite.style.display = 'none';
-          this.el_.appendChild(sprite);
-          this.addClass('vjs-svg-icons-enabled');
-        }
-      }
-      this.initChildren();
-
-      // Set isAudio based on whether or not an audio tag was used
-      this.isAudio(tag.nodeName.toLowerCase() === 'audio');
-
-      // Update controls className. Can't do this when the controls are initially
-      // set because the element doesn't exist yet.
-      if (this.controls()) {
-        this.addClass('vjs-controls-enabled');
-      } else {
-        this.addClass('vjs-controls-disabled');
-      }
-
-      // Set ARIA label and region role depending on player type
-      this.el_.setAttribute('role', 'region');
-      if (this.isAudio()) {
-        this.el_.setAttribute('aria-label', this.localize('Audio Player'));
-      } else {
-        this.el_.setAttribute('aria-label', this.localize('Video Player'));
-      }
-      if (this.isAudio()) {
-        this.addClass('vjs-audio');
-      }
-
-      // TODO: Make this smarter. Toggle user state between touching/mousing
-      // using events, since devices can have both touch and mouse events.
-      // TODO: Make this check be performed again when the window switches between monitors
-      // (See https://github.com/videojs/video.js/issues/5683)
-      if (TOUCH_ENABLED) {
-        this.addClass('vjs-touch-enabled');
-      }
-
-      // iOS Safari has broken hover handling
-      if (!IS_IOS) {
-        this.addClass('vjs-workinghover');
-      }
-
-      // Make player easily findable by ID
-      Player.players[this.id_] = this;
-
-      // Add a major version class to aid css in plugins
-      const majorVersion = version.split('.')[0];
-      this.addClass(`vjs-v${majorVersion}`);
-
-      // When the player is first initialized, trigger activity so components
-      // like the control bar show themselves if needed
-      this.userActive(true);
-      this.reportUserActivity();
-      this.one('play', e => this.listenForUserActivity_(e));
-      this.on('keydown', e => this.handleKeyDown(e));
-      this.on('languagechange', e => this.handleLanguagechange(e));
-      this.breakpoints(this.options_.breakpoints);
-      this.responsive(this.options_.responsive);
-
-      // Calling both the audio mode methods after the player is fully
-      // setup to be able to listen to the events triggered by them
-      this.on('ready', () => {
-        // Calling the audioPosterMode method first so that
-        // the audioOnlyMode can take precedence when both options are set to true
-        this.audioPosterMode(this.options_.audioPosterMode);
-        this.audioOnlyMode(this.options_.audioOnlyMode);
-      });
-    }
-
-    /**
-     * Destroys the video player and does any necessary cleanup.
-     *
-     * This is especially helpful if you are dynamically adding and removing videos
-     * to/from the DOM.
-     *
-     * @fires Player#dispose
-     */
-    dispose() {
-      /**
-       * Called when the player is being disposed of.
-       *
-       * @event Player#dispose
-       * @type {Event}
-       */
-      this.trigger('dispose');
-      // prevent dispose from being called twice
-      this.off('dispose');
-
-      // Make sure all player-specific document listeners are unbound. This is
-      off(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);
-      off(document, 'keydown', this.boundFullWindowOnEscKey_);
-      if (this.styleEl_ && this.styleEl_.parentNode) {
-        this.styleEl_.parentNode.removeChild(this.styleEl_);
-        this.styleEl_ = null;
-      }
-
-      // Kill reference to this player
-      Player.players[this.id_] = null;
-      if (this.tag && this.tag.player) {
-        this.tag.player = null;
-      }
-      if (this.el_ && this.el_.player) {
-        this.el_.player = null;
-      }
-      if (this.tech_) {
-        this.tech_.dispose();
-        this.isPosterFromTech_ = false;
-        this.poster_ = '';
-      }
-      if (this.playerElIngest_) {
-        this.playerElIngest_ = null;
-      }
-      if (this.tag) {
-        this.tag = null;
-      }
-      clearCacheForPlayer(this);
-
-      // remove all event handlers for track lists
-      // all tracks and track listeners are removed on
-      // tech dispose
-      ALL.names.forEach(name => {
-        const props = ALL[name];
-        const list = this[props.getterName]();
-
-        // if it is not a native list
-        // we have to manually remove event listeners
-        if (list && list.off) {
-          list.off();
-        }
-      });
-
-      // the actual .el_ is removed here, or replaced if
-      super.dispose({
-        restoreEl: this.options_.restoreEl
-      });
-    }
-
-    /**
-     * Create the `Player`'s DOM element.
-     *
-     * @return {Element}
-     *         The DOM element that gets created.
-     */
-    createEl() {
-      let tag = this.tag;
-      let el;
-      let playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
-      const divEmbed = this.tag.tagName.toLowerCase() === 'video-js';
-      if (playerElIngest) {
-        el = this.el_ = tag.parentNode;
-      } else if (!divEmbed) {
-        el = this.el_ = super.createEl('div');
-      }
-
-      // Copy over all the attributes from the tag, including ID and class
-      // ID will now reference player box, not the video tag
-      const attrs = getAttributes(tag);
-      if (divEmbed) {
-        el = this.el_ = tag;
-        tag = this.tag = document.createElement('video');
-        while (el.children.length) {
-          tag.appendChild(el.firstChild);
-        }
-        if (!hasClass(el, 'video-js')) {
-          addClass(el, 'video-js');
-        }
-        el.appendChild(tag);
-        playerElIngest = this.playerElIngest_ = el;
-        // move properties over from our custom `video-js` element
-        // to our new `video` element. This will move things like
-        // `src` or `controls` that were set via js before the player
-        // was initialized.
-        Object.keys(el).forEach(k => {
-          try {
-            tag[k] = el[k];
-          } catch (e) {
-            // we got a a property like outerHTML which we can't actually copy, ignore it
-          }
-        });
-      }
-
-      // set tabindex to -1 to remove the video element from the focus order
-      tag.setAttribute('tabindex', '-1');
-      attrs.tabindex = '-1';
-
-      // Workaround for #4583 on Chrome (on Windows) with JAWS.
-      // See https://github.com/FreedomScientific/VFO-standards-support/issues/78
-      // Note that we can't detect if JAWS is being used, but this ARIA attribute
-      // doesn't change behavior of Chrome if JAWS is not being used
-      if (IS_CHROME && IS_WINDOWS) {
-        tag.setAttribute('role', 'application');
-        attrs.role = 'application';
-      }
-
-      // Remove width/height attrs from tag so CSS can make it 100% width/height
-      tag.removeAttribute('width');
-      tag.removeAttribute('height');
-      if ('width' in attrs) {
-        delete attrs.width;
-      }
-      if ('height' in attrs) {
-        delete attrs.height;
-      }
-      Object.getOwnPropertyNames(attrs).forEach(function (attr) {
-        // don't copy over the class attribute to the player element when we're in a div embed
-        // the class is already set up properly in the divEmbed case
-        // and we want to make sure that the `video-js` class doesn't get lost
-        if (!(divEmbed && attr === 'class')) {
-          el.setAttribute(attr, attrs[attr]);
-        }
-        if (divEmbed) {
-          tag.setAttribute(attr, attrs[attr]);
-        }
-      });
-
-      // Update tag id/class for use as HTML5 playback tech
-      // Might think we should do this after embedding in container so .vjs-tech class
-      // doesn't flash 100% width/height, but class only applies with .video-js parent
-      tag.playerId = tag.id;
-      tag.id += '_html5_api';
-      tag.className = 'vjs-tech';
-
-      // Make player findable on elements
-      tag.player = el.player = this;
-      // Default state of video is paused
-      this.addClass('vjs-paused');
-      const deviceClassNames = ['IS_SMART_TV', 'IS_TIZEN', 'IS_WEBOS', 'IS_ANDROID', 'IS_IPAD', 'IS_IPHONE'].filter(key => browser[key]).map(key => {
-        return 'vjs-device-' + key.substring(3).toLowerCase().replace(/\_/g, '-');
-      });
-      this.addClass(...deviceClassNames);
-
-      // Add a style element in the player that we'll use to set the width/height
-      // of the player in a way that's still overridable by CSS, just like the
-      // video element
-      if (window.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
-        this.styleEl_ = createStyleElement('vjs-styles-dimensions');
-        const defaultsStyleEl = $('.vjs-styles-defaults');
-        const head = $('head');
-        head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
-      }
-      this.fill_ = false;
-      this.fluid_ = false;
-
-      // Pass in the width/height/aspectRatio options which will update the style el
-      this.width(this.options_.width);
-      this.height(this.options_.height);
-      this.fill(this.options_.fill);
-      this.fluid(this.options_.fluid);
-      this.aspectRatio(this.options_.aspectRatio);
-      // support both crossOrigin and crossorigin to reduce confusion and issues around the name
-      this.crossOrigin(this.options_.crossOrigin || this.options_.crossorigin);
-
-      // Hide any links within the video/audio tag,
-      // because IE doesn't hide them completely from screen readers.
-      const links = tag.getElementsByTagName('a');
-      for (let i = 0; i < links.length; i++) {
-        const linkEl = links.item(i);
-        addClass(linkEl, 'vjs-hidden');
-        linkEl.setAttribute('hidden', 'hidden');
-      }
-
-      // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
-      // keep track of the original for later so we can know if the source originally failed
-      tag.initNetworkState_ = tag.networkState;
-
-      // Wrap video tag in div (el/box) container
-      if (tag.parentNode && !playerElIngest) {
-        tag.parentNode.insertBefore(el, tag);
-      }
-
-      // insert the tag as the first child of the player element
-      // then manually add it to the children array so that this.addChild
-      // will work properly for other components
-      //
-      // Breaks iPhone, fixed in HTML5 setup.
-      prependTo(tag, el);
-      this.children_.unshift(tag);
-
-      // Set lang attr on player to ensure CSS :lang() in consistent with player
-      // if it's been set to something different to the doc
-      this.el_.setAttribute('lang', this.language_);
-      this.el_.setAttribute('translate', 'no');
-      this.el_ = el;
-      return el;
-    }
-
-    /**
-     * Get or set the `Player`'s crossOrigin option. For the HTML5 player, this
-     * sets the `crossOrigin` property on the `<video>` tag to control the CORS
-     * behavior.
-     *
-     * @see [Video Element Attributes]{@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/video#attr-crossorigin}
-     *
-     * @param {string|null} [value]
-     *        The value to set the `Player`'s crossOrigin to. If an argument is
-     *        given, must be one of `'anonymous'` or `'use-credentials'`, or 'null'.
-     *
-     * @return {string|null|undefined}
-     *         - The current crossOrigin value of the `Player` when getting.
-     *         - undefined when setting
-     */
-    crossOrigin(value) {
-      // `null` can be set to unset a value
-      if (typeof value === 'undefined') {
-        return this.techGet_('crossOrigin');
-      }
-      if (value !== null && value !== 'anonymous' && value !== 'use-credentials') {
-        log.warn(`crossOrigin must be null,  "anonymous" or "use-credentials", given "${value}"`);
-        return;
-      }
-      this.techCall_('setCrossOrigin', value);
-      if (this.posterImage) {
-        this.posterImage.crossOrigin(value);
-      }
-      return;
-    }
-
-    /**
-     * A getter/setter for the `Player`'s width. Returns the player's configured value.
-     * To get the current width use `currentWidth()`.
-     *
-     * @param {number|string} [value]
-     *        CSS value to set the `Player`'s width to.
-     *
-     * @return {number|undefined}
-     *         - The current width of the `Player` when getting.
-     *         - Nothing when setting
-     */
-    width(value) {
-      return this.dimension('width', value);
-    }
-
-    /**
-     * A getter/setter for the `Player`'s height. Returns the player's configured value.
-     * To get the current height use `currentheight()`.
-     *
-     * @param {number|string} [value]
-     *        CSS value to set the `Player`'s height to.
-     *
-     * @return {number|undefined}
-     *         - The current height of the `Player` when getting.
-     *         - Nothing when setting
-     */
-    height(value) {
-      return this.dimension('height', value);
-    }
-
-    /**
-     * A getter/setter for the `Player`'s width & height.
-     *
-     * @param {string} dimension
-     *        This string can be:
-     *        - 'width'
-     *        - 'height'
-     *
-     * @param {number|string} [value]
-     *        Value for dimension specified in the first argument.
-     *
-     * @return {number}
-     *         The dimension arguments value when getting (width/height).
-     */
-    dimension(dimension, value) {
-      const privDimension = dimension + '_';
-      if (value === undefined) {
-        return this[privDimension] || 0;
-      }
-      if (value === '' || value === 'auto') {
-        // If an empty string is given, reset the dimension to be automatic
-        this[privDimension] = undefined;
-        this.updateStyleEl_();
-        return;
-      }
-      const parsedVal = parseFloat(value);
-      if (isNaN(parsedVal)) {
-        log.error(`Improper value "${value}" supplied for for ${dimension}`);
-        return;
-      }
-      this[privDimension] = parsedVal;
-      this.updateStyleEl_();
-    }
-
-    /**
-     * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
-     *
-     * Turning this on will turn off fill mode.
-     *
-     * @param {boolean} [bool]
-     *        - A value of true adds the class.
-     *        - A value of false removes the class.
-     *        - No value will be a getter.
-     *
-     * @return {boolean|undefined}
-     *         - The value of fluid when getting.
-     *         - `undefined` when setting.
-     */
-    fluid(bool) {
-      if (bool === undefined) {
-        return !!this.fluid_;
-      }
-      this.fluid_ = !!bool;
-      if (isEvented(this)) {
-        this.off(['playerreset', 'resize'], this.boundUpdateStyleEl_);
-      }
-      if (bool) {
-        this.addClass('vjs-fluid');
-        this.fill(false);
-        addEventedCallback(this, () => {
-          this.on(['playerreset', 'resize'], this.boundUpdateStyleEl_);
-        });
-      } else {
-        this.removeClass('vjs-fluid');
-      }
-      this.updateStyleEl_();
-    }
-
-    /**
-     * A getter/setter/toggler for the vjs-fill `className` on the `Player`.
-     *
-     * Turning this on will turn off fluid mode.
-     *
-     * @param {boolean} [bool]
-     *        - A value of true adds the class.
-     *        - A value of false removes the class.
-     *        - No value will be a getter.
-     *
-     * @return {boolean|undefined}
-     *         - The value of fluid when getting.
-     *         - `undefined` when setting.
-     */
-    fill(bool) {
-      if (bool === undefined) {
-        return !!this.fill_;
-      }
-      this.fill_ = !!bool;
-      if (bool) {
-        this.addClass('vjs-fill');
-        this.fluid(false);
-      } else {
-        this.removeClass('vjs-fill');
-      }
-    }
-
-    /**
-     * Get/Set the aspect ratio
-     *
-     * @param {string} [ratio]
-     *        Aspect ratio for player
-     *
-     * @return {string|undefined}
-     *         returns the current aspect ratio when getting
-     */
-
-    /**
-     * A getter/setter for the `Player`'s aspect ratio.
-     *
-     * @param {string} [ratio]
-     *        The value to set the `Player`'s aspect ratio to.
-     *
-     * @return {string|undefined}
-     *         - The current aspect ratio of the `Player` when getting.
-     *         - undefined when setting
-     */
-    aspectRatio(ratio) {
-      if (ratio === undefined) {
-        return this.aspectRatio_;
-      }
-
-      // Check for width:height format
-      if (!/^\d+\:\d+$/.test(ratio)) {
-        throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
-      }
-      this.aspectRatio_ = ratio;
-
-      // We're assuming if you set an aspect ratio you want fluid mode,
-      // because in fixed mode you could calculate width and height yourself.
-      this.fluid(true);
-      this.updateStyleEl_();
-    }
-
-    /**
-     * Update styles of the `Player` element (height, width and aspect ratio).
-     *
-     * @private
-     * @listens Tech#loadedmetadata
-     */
-    updateStyleEl_() {
-      if (window.VIDEOJS_NO_DYNAMIC_STYLE === true) {
-        const width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
-        const height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
-        const techEl = this.tech_ && this.tech_.el();
-        if (techEl) {
-          if (width >= 0) {
-            techEl.width = width;
-          }
-          if (height >= 0) {
-            techEl.height = height;
-          }
-        }
-        return;
-      }
-      let width;
-      let height;
-      let aspectRatio;
-      let idClass;
-
-      // The aspect ratio is either used directly or to calculate width and height.
-      if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
-        // Use any aspectRatio that's been specifically set
-        aspectRatio = this.aspectRatio_;
-      } else if (this.videoWidth() > 0) {
-        // Otherwise try to get the aspect ratio from the video metadata
-        aspectRatio = this.videoWidth() + ':' + this.videoHeight();
-      } else {
-        // Or use a default. The video element's is 2:1, but 16:9 is more common.
-        aspectRatio = '16:9';
-      }
-
-      // Get the ratio as a decimal we can use to calculate dimensions
-      const ratioParts = aspectRatio.split(':');
-      const ratioMultiplier = ratioParts[1] / ratioParts[0];
-      if (this.width_ !== undefined) {
-        // Use any width that's been specifically set
-        width = this.width_;
-      } else if (this.height_ !== undefined) {
-        // Or calculate the width from the aspect ratio if a height has been set
-        width = this.height_ / ratioMultiplier;
-      } else {
-        // Or use the video's metadata, or use the video el's default of 300
-        width = this.videoWidth() || 300;
-      }
-      if (this.height_ !== undefined) {
-        // Use any height that's been specifically set
-        height = this.height_;
-      } else {
-        // Otherwise calculate the height from the ratio and the width
-        height = width * ratioMultiplier;
-      }
-
-      // Ensure the CSS class is valid by starting with an alpha character
-      if (/^[^a-zA-Z]/.test(this.id())) {
-        idClass = 'dimensions-' + this.id();
-      } else {
-        idClass = this.id() + '-dimensions';
-      }
-
-      // Ensure the right class is still on the player for the style element
-      this.addClass(idClass);
-      setTextContent(this.styleEl_, `
-      .${idClass} {
-        width: ${width}px;
-        height: ${height}px;
-      }
-
-      .${idClass}.vjs-fluid:not(.vjs-audio-only-mode) {
-        padding-top: ${ratioMultiplier * 100}%;
-      }
-    `);
-    }
-
-    /**
-     * Load/Create an instance of playback {@link Tech} including element
-     * and API methods. Then append the `Tech` element in `Player` as a child.
-     *
-     * @param {string} techName
-     *        name of the playback technology
-     *
-     * @param {string} source
-     *        video source
-     *
-     * @private
-     */
-    loadTech_(techName, source) {
-      // Pause and remove current playback technology
-      if (this.tech_) {
-        this.unloadTech_();
-      }
-      const titleTechName = toTitleCase(techName);
-      const camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);
-
-      // get rid of the HTML5 video tag as soon as we are using another tech
-      if (titleTechName !== 'Html5' && this.tag) {
-        Tech.getTech('Html5').disposeMediaElement(this.tag);
-        this.tag.player = null;
-        this.tag = null;
-      }
-      this.techName_ = titleTechName;
-
-      // Turn off API access because we're loading a new tech that might load asynchronously
-      this.isReady_ = false;
-      let autoplay = this.autoplay();
-
-      // if autoplay is a string (or `true` with normalizeAutoplay: true) we pass false to the tech
-      // because the player is going to handle autoplay on `loadstart`
-      if (typeof this.autoplay() === 'string' || this.autoplay() === true && this.options_.normalizeAutoplay) {
-        autoplay = false;
-      }
-
-      // Grab tech-specific options from player options and add source and parent element to use.
-      const techOptions = {
-        source,
-        autoplay,
-        'nativeControlsForTouch': this.options_.nativeControlsForTouch,
-        'playerId': this.id(),
-        'techId': `${this.id()}_${camelTechName}_api`,
-        'playsinline': this.options_.playsinline,
-        'preload': this.options_.preload,
-        'loop': this.options_.loop,
-        'disablePictureInPicture': this.options_.disablePictureInPicture,
-        'muted': this.options_.muted,
-        'poster': this.poster(),
-        'language': this.language(),
-        'playerElIngest': this.playerElIngest_ || false,
-        'vtt.js': this.options_['vtt.js'],
-        'canOverridePoster': !!this.options_.techCanOverridePoster,
-        'enableSourceset': this.options_.enableSourceset
-      };
-      ALL.names.forEach(name => {
-        const props = ALL[name];
-        techOptions[props.getterName] = this[props.privateName];
-      });
-      Object.assign(techOptions, this.options_[titleTechName]);
-      Object.assign(techOptions, this.options_[camelTechName]);
-      Object.assign(techOptions, this.options_[techName.toLowerCase()]);
-      if (this.tag) {
-        techOptions.tag = this.tag;
-      }
-      if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
-        techOptions.startTime = this.cache_.currentTime;
-      }
-
-      // Initialize tech instance
-      const TechClass = Tech.getTech(techName);
-      if (!TechClass) {
-        throw new Error(`No Tech named '${titleTechName}' exists! '${titleTechName}' should be registered using videojs.registerTech()'`);
-      }
-      this.tech_ = new TechClass(techOptions);
-
-      // player.triggerReady is always async, so don't need this to be async
-      this.tech_.ready(bind_(this, this.handleTechReady_), true);
-      textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);
-
-      // Listen to all HTML5-defined events and trigger them on the player
-      TECH_EVENTS_RETRIGGER.forEach(event => {
-        this.on(this.tech_, event, e => this[`handleTech${toTitleCase(event)}_`](e));
-      });
-      Object.keys(TECH_EVENTS_QUEUE).forEach(event => {
-        this.on(this.tech_, event, eventObj => {
-          if (this.tech_.playbackRate() === 0 && this.tech_.seeking()) {
-            this.queuedCallbacks_.push({
-              callback: this[`handleTech${TECH_EVENTS_QUEUE[event]}_`].bind(this),
-              event: eventObj
-            });
-            return;
-          }
-          this[`handleTech${TECH_EVENTS_QUEUE[event]}_`](eventObj);
-        });
-      });
-      this.on(this.tech_, 'loadstart', e => this.handleTechLoadStart_(e));
-      this.on(this.tech_, 'sourceset', e => this.handleTechSourceset_(e));
-      this.on(this.tech_, 'waiting', e => this.handleTechWaiting_(e));
-      this.on(this.tech_, 'ended', e => this.handleTechEnded_(e));
-      this.on(this.tech_, 'seeking', e => this.handleTechSeeking_(e));
-      this.on(this.tech_, 'play', e => this.handleTechPlay_(e));
-      this.on(this.tech_, 'pause', e => this.handleTechPause_(e));
-      this.on(this.tech_, 'durationchange', e => this.handleTechDurationChange_(e));
-      this.on(this.tech_, 'fullscreenchange', (e, data) => this.handleTechFullscreenChange_(e, data));
-      this.on(this.tech_, 'fullscreenerror', (e, err) => this.handleTechFullscreenError_(e, err));
-      this.on(this.tech_, 'enterpictureinpicture', e => this.handleTechEnterPictureInPicture_(e));
-      this.on(this.tech_, 'leavepictureinpicture', e => this.handleTechLeavePictureInPicture_(e));
-      this.on(this.tech_, 'error', e => this.handleTechError_(e));
-      this.on(this.tech_, 'posterchange', e => this.handleTechPosterChange_(e));
-      this.on(this.tech_, 'textdata', e => this.handleTechTextData_(e));
-      this.on(this.tech_, 'ratechange', e => this.handleTechRateChange_(e));
-      this.on(this.tech_, 'loadedmetadata', this.boundUpdateStyleEl_);
-      this.usingNativeControls(this.techGet_('controls'));
-      if (this.controls() && !this.usingNativeControls()) {
-        this.addTechControlsListeners_();
-      }
-
-      // Add the tech element in the DOM if it was not already there
-      // Make sure to not insert the original video element if using Html5
-      if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
-        prependTo(this.tech_.el(), this.el());
-      }
-
-      // Get rid of the original video tag reference after the first tech is loaded
-      if (this.tag) {
-        this.tag.player = null;
-        this.tag = null;
-      }
-    }
-
-    /**
-     * Unload and dispose of the current playback {@link Tech}.
-     *
-     * @private
-     */
-    unloadTech_() {
-      // Save the current text tracks so that we can reuse the same text tracks with the next tech
-      ALL.names.forEach(name => {
-        const props = ALL[name];
-        this[props.privateName] = this[props.getterName]();
-      });
-      this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
-      this.isReady_ = false;
-      this.tech_.dispose();
-      this.tech_ = false;
-      if (this.isPosterFromTech_) {
-        this.poster_ = '';
-        this.trigger('posterchange');
-      }
-      this.isPosterFromTech_ = false;
-    }
-
-    /**
-     * Return a reference to the current {@link Tech}.
-     * It will print a warning by default about the danger of using the tech directly
-     * but any argument that is passed in will silence the warning.
-     *
-     * @param {*} [safety]
-     *        Anything passed in to silence the warning
-     *
-     * @return {Tech}
-     *         The Tech
-     */
-    tech(safety) {
-      if (safety === undefined) {
-        log.warn('Using the tech directly can be dangerous. I hope you know what you\'re doing.\n' + 'See https://github.com/videojs/video.js/issues/2617 for more info.\n');
-      }
-      return this.tech_;
-    }
-
-    /**
-     * An object that contains Video.js version.
-     *
-     * @typedef {Object} PlayerVersion
-     *
-     * @property {string} 'video.js' - Video.js version
-     */
-
-    /**
-     * Returns an object with Video.js version.
-     *
-     * @return {PlayerVersion}
-     *          An object with Video.js version.
-     */
-    version() {
-      return {
-        'video.js': version
-      };
-    }
-
-    /**
-     * Set up click and touch listeners for the playback element
-     *
-     * - On desktops: a click on the video itself will toggle playback
-     * - On mobile devices: a click on the video toggles controls
-     *   which is done by toggling the user state between active and
-     *   inactive
-     * - A tap can signal that a user has become active or has become inactive
-     *   e.g. a quick tap on an iPhone movie should reveal the controls. Another
-     *   quick tap should hide them again (signaling the user is in an inactive
-     *   viewing state)
-     * - In addition to this, we still want the user to be considered inactive after
-     *   a few seconds of inactivity.
-     *
-     * > Note: the only part of iOS interaction we can't mimic with this setup
-     * is a touch and hold on the video element counting as activity in order to
-     * keep the controls showing, but that shouldn't be an issue. A touch and hold
-     * on any controls will still keep the user active
-     *
-     * @private
-     */
-    addTechControlsListeners_() {
-      // Make sure to remove all the previous listeners in case we are called multiple times.
-      this.removeTechControlsListeners_();
-      this.on(this.tech_, 'click', this.boundHandleTechClick_);
-      this.on(this.tech_, 'dblclick', this.boundHandleTechDoubleClick_);
-
-      // If the controls were hidden we don't want that to change without a tap event
-      // so we'll check if the controls were already showing before reporting user
-      // activity
-      this.on(this.tech_, 'touchstart', this.boundHandleTechTouchStart_);
-      this.on(this.tech_, 'touchmove', this.boundHandleTechTouchMove_);
-      this.on(this.tech_, 'touchend', this.boundHandleTechTouchEnd_);
-
-      // The tap listener needs to come after the touchend listener because the tap
-      // listener cancels out any reportedUserActivity when setting userActive(false)
-      this.on(this.tech_, 'tap', this.boundHandleTechTap_);
-    }
-
-    /**
-     * Remove the listeners used for click and tap controls. This is needed for
-     * toggling to controls disabled, where a tap/touch should do nothing.
-     *
-     * @private
-     */
-    removeTechControlsListeners_() {
-      // We don't want to just use `this.off()` because there might be other needed
-      // listeners added by techs that extend this.
-      this.off(this.tech_, 'tap', this.boundHandleTechTap_);
-      this.off(this.tech_, 'touchstart', this.boundHandleTechTouchStart_);
-      this.off(this.tech_, 'touchmove', this.boundHandleTechTouchMove_);
-      this.off(this.tech_, 'touchend', this.boundHandleTechTouchEnd_);
-      this.off(this.tech_, 'click', this.boundHandleTechClick_);
-      this.off(this.tech_, 'dblclick', this.boundHandleTechDoubleClick_);
-    }
-
-    /**
-     * Player waits for the tech to be ready
-     *
-     * @private
-     */
-    handleTechReady_() {
-      this.triggerReady();
-
-      // Keep the same volume as before
-      if (this.cache_.volume) {
-        this.techCall_('setVolume', this.cache_.volume);
-      }
-
-      // Look if the tech found a higher resolution poster while loading
-      this.handleTechPosterChange_();
-
-      // Update the duration if available
-      this.handleTechDurationChange_();
-    }
-
-    /**
-     * Retrigger the `loadstart` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#loadstart
-     * @listens Tech#loadstart
-     * @private
-     */
-    handleTechLoadStart_() {
-      // TODO: Update to use `emptied` event instead. See #1277.
-
-      this.removeClass('vjs-ended', 'vjs-seeking');
-
-      // reset the error state
-      this.error(null);
-
-      // Update the duration
-      this.handleTechDurationChange_();
-      if (!this.paused()) {
-        /**
-         * Fired when the user agent begins looking for media data
-         *
-         * @event Player#loadstart
-         * @type {Event}
-         */
-        this.trigger('loadstart');
-      } else {
-        // reset the hasStarted state
-        this.hasStarted(false);
-        this.trigger('loadstart');
-      }
-
-      // autoplay happens after loadstart for the browser,
-      // so we mimic that behavior
-      this.manualAutoplay_(this.autoplay() === true && this.options_.normalizeAutoplay ? 'play' : this.autoplay());
-    }
-
-    /**
-     * Handle autoplay string values, rather than the typical boolean
-     * values that should be handled by the tech. Note that this is not
-     * part of any specification. Valid values and what they do can be
-     * found on the autoplay getter at Player#autoplay()
-     */
-    manualAutoplay_(type) {
-      if (!this.tech_ || typeof type !== 'string') {
-        return;
-      }
-
-      // Save original muted() value, set muted to true, and attempt to play().
-      // On promise rejection, restore muted from saved value
-      const resolveMuted = () => {
-        const previouslyMuted = this.muted();
-        this.muted(true);
-        const restoreMuted = () => {
-          this.muted(previouslyMuted);
-        };
-
-        // restore muted on play terminatation
-        this.playTerminatedQueue_.push(restoreMuted);
-        const mutedPromise = this.play();
-        if (!isPromise(mutedPromise)) {
-          return;
-        }
-        return mutedPromise.catch(err => {
-          restoreMuted();
-          throw new Error(`Rejection at manualAutoplay. Restoring muted value. ${err ? err : ''}`);
-        });
-      };
-      let promise;
-
-      // if muted defaults to true
-      // the only thing we can do is call play
-      if (type === 'any' && !this.muted()) {
-        promise = this.play();
-        if (isPromise(promise)) {
-          promise = promise.catch(resolveMuted);
-        }
-      } else if (type === 'muted' && !this.muted()) {
-        promise = resolveMuted();
-      } else {
-        promise = this.play();
-      }
-      if (!isPromise(promise)) {
-        return;
-      }
-      return promise.then(() => {
-        this.trigger({
-          type: 'autoplay-success',
-          autoplay: type
-        });
-      }).catch(() => {
-        this.trigger({
-          type: 'autoplay-failure',
-          autoplay: type
-        });
-      });
-    }
-
-    /**
-     * Update the internal source caches so that we return the correct source from
-     * `src()`, `currentSource()`, and `currentSources()`.
-     *
-     * > Note: `currentSources` will not be updated if the source that is passed in exists
-     *         in the current `currentSources` cache.
-     *
-     *
-     * @param {Tech~SourceObject} srcObj
-     *        A string or object source to update our caches to.
-     */
-    updateSourceCaches_(srcObj = '') {
-      let src = srcObj;
-      let type = '';
-      if (typeof src !== 'string') {
-        src = srcObj.src;
-        type = srcObj.type;
-      }
-
-      // make sure all the caches are set to default values
-      // to prevent null checking
-      this.cache_.source = this.cache_.source || {};
-      this.cache_.sources = this.cache_.sources || [];
-
-      // try to get the type of the src that was passed in
-      if (src && !type) {
-        type = findMimetype(this, src);
-      }
-
-      // update `currentSource` cache always
-      this.cache_.source = merge({}, srcObj, {
-        src,
-        type
-      });
-      const matchingSources = this.cache_.sources.filter(s => s.src && s.src === src);
-      const sourceElSources = [];
-      const sourceEls = this.$$('source');
-      const matchingSourceEls = [];
-      for (let i = 0; i < sourceEls.length; i++) {
-        const sourceObj = getAttributes(sourceEls[i]);
-        sourceElSources.push(sourceObj);
-        if (sourceObj.src && sourceObj.src === src) {
-          matchingSourceEls.push(sourceObj.src);
-        }
-      }
-
-      // if we have matching source els but not matching sources
-      // the current source cache is not up to date
-      if (matchingSourceEls.length && !matchingSources.length) {
-        this.cache_.sources = sourceElSources;
-        // if we don't have matching source or source els set the
-        // sources cache to the `currentSource` cache
-      } else if (!matchingSources.length) {
-        this.cache_.sources = [this.cache_.source];
-      }
-
-      // update the tech `src` cache
-      this.cache_.src = src;
-    }
-
-    /**
-     * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}
-     * causing the media element to reload.
-     *
-     * It will fire for the initial source and each subsequent source.
-     * This event is a custom event from Video.js and is triggered by the {@link Tech}.
-     *
-     * The event object for this event contains a `src` property that will contain the source
-     * that was available when the event was triggered. This is generally only necessary if Video.js
-     * is switching techs while the source was being changed.
-     *
-     * It is also fired when `load` is called on the player (or media element)
-     * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}
-     * says that the resource selection algorithm needs to be aborted and restarted.
-     * In this case, it is very likely that the `src` property will be set to the
-     * empty string `""` to indicate we do not know what the source will be but
-     * that it is changing.
-     *
-     * *This event is currently still experimental and may change in minor releases.*
-     * __To use this, pass `enableSourceset` option to the player.__
-     *
-     * @event Player#sourceset
-     * @type {Event}
-     * @prop {string} src
-     *                The source url available when the `sourceset` was triggered.
-     *                It will be an empty string if we cannot know what the source is
-     *                but know that the source will change.
-     */
-    /**
-     * Retrigger the `sourceset` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#sourceset
-     * @listens Tech#sourceset
-     * @private
-     */
-    handleTechSourceset_(event) {
-      // only update the source cache when the source
-      // was not updated using the player api
-      if (!this.changingSrc_) {
-        let updateSourceCaches = src => this.updateSourceCaches_(src);
-        const playerSrc = this.currentSource().src;
-        const eventSrc = event.src;
-
-        // if we have a playerSrc that is not a blob, and a tech src that is a blob
-        if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {
-          // if both the tech source and the player source were updated we assume
-          // something like @videojs/http-streaming did the sourceset and skip updating the source cache.
-          if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {
-            updateSourceCaches = () => {};
-          }
-        }
-
-        // update the source to the initial source right away
-        // in some cases this will be empty string
-        updateSourceCaches(eventSrc);
-
-        // if the `sourceset` `src` was an empty string
-        // wait for a `loadstart` to update the cache to `currentSrc`.
-        // If a sourceset happens before a `loadstart`, we reset the state
-        if (!event.src) {
-          this.tech_.any(['sourceset', 'loadstart'], e => {
-            // if a sourceset happens before a `loadstart` there
-            // is nothing to do as this `handleTechSourceset_`
-            // will be called again and this will be handled there.
-            if (e.type === 'sourceset') {
-              return;
-            }
-            const techSrc = this.techGet_('currentSrc');
-            this.lastSource_.tech = techSrc;
-            this.updateSourceCaches_(techSrc);
-          });
-        }
-      }
-      this.lastSource_ = {
-        player: this.currentSource().src,
-        tech: event.src
-      };
-      this.trigger({
-        src: event.src,
-        type: 'sourceset'
-      });
-    }
-
-    /**
-     * Add/remove the vjs-has-started class
-     *
-     *
-     * @param {boolean} request
-     *        - true: adds the class
-     *        - false: remove the class
-     *
-     * @return {boolean}
-     *         the boolean value of hasStarted_
-     */
-    hasStarted(request) {
-      if (request === undefined) {
-        // act as getter, if we have no request to change
-        return this.hasStarted_;
-      }
-      if (request === this.hasStarted_) {
-        return;
-      }
-      this.hasStarted_ = request;
-      if (this.hasStarted_) {
-        this.addClass('vjs-has-started');
-      } else {
-        this.removeClass('vjs-has-started');
-      }
-    }
-
-    /**
-     * Fired whenever the media begins or resumes playback
-     *
-     * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
-     * @fires Player#play
-     * @listens Tech#play
-     * @private
-     */
-    handleTechPlay_() {
-      this.removeClass('vjs-ended', 'vjs-paused');
-      this.addClass('vjs-playing');
-
-      // hide the poster when the user hits play
-      this.hasStarted(true);
-      /**
-       * Triggered whenever an {@link Tech#play} event happens. Indicates that
-       * playback has started or resumed.
-       *
-       * @event Player#play
-       * @type {Event}
-       */
-      this.trigger('play');
-    }
-
-    /**
-     * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
-     *
-     * If there were any events queued while the playback rate was zero, fire
-     * those events now.
-     *
-     * @private
-     * @method Player#handleTechRateChange_
-     * @fires Player#ratechange
-     * @listens Tech#ratechange
-     */
-    handleTechRateChange_() {
-      if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {
-        this.queuedCallbacks_.forEach(queued => queued.callback(queued.event));
-        this.queuedCallbacks_ = [];
-      }
-      this.cache_.lastPlaybackRate = this.tech_.playbackRate();
-      /**
-       * Fires when the playing speed of the audio/video is changed
-       *
-       * @event Player#ratechange
-       * @type {event}
-       */
-      this.trigger('ratechange');
-    }
-
-    /**
-     * Retrigger the `waiting` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#waiting
-     * @listens Tech#waiting
-     * @private
-     */
-    handleTechWaiting_() {
-      this.addClass('vjs-waiting');
-      /**
-       * A readyState change on the DOM element has caused playback to stop.
-       *
-       * @event Player#waiting
-       * @type {Event}
-       */
-      this.trigger('waiting');
-
-      // Browsers may emit a timeupdate event after a waiting event. In order to prevent
-      // premature removal of the waiting class, wait for the time to change.
-      const timeWhenWaiting = this.currentTime();
-      const timeUpdateListener = () => {
-        if (timeWhenWaiting !== this.currentTime()) {
-          this.removeClass('vjs-waiting');
-          this.off('timeupdate', timeUpdateListener);
-        }
-      };
-      this.on('timeupdate', timeUpdateListener);
-    }
-
-    /**
-     * Retrigger the `canplay` event that was triggered by the {@link Tech}.
-     * > Note: This is not consistent between browsers. See #1351
-     *
-     * @fires Player#canplay
-     * @listens Tech#canplay
-     * @private
-     */
-    handleTechCanPlay_() {
-      this.removeClass('vjs-waiting');
-      /**
-       * The media has a readyState of HAVE_FUTURE_DATA or greater.
-       *
-       * @event Player#canplay
-       * @type {Event}
-       */
-      this.trigger('canplay');
-    }
-
-    /**
-     * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#canplaythrough
-     * @listens Tech#canplaythrough
-     * @private
-     */
-    handleTechCanPlayThrough_() {
-      this.removeClass('vjs-waiting');
-      /**
-       * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
-       * entire media file can be played without buffering.
-       *
-       * @event Player#canplaythrough
-       * @type {Event}
-       */
-      this.trigger('canplaythrough');
-    }
-
-    /**
-     * Retrigger the `playing` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#playing
-     * @listens Tech#playing
-     * @private
-     */
-    handleTechPlaying_() {
-      this.removeClass('vjs-waiting');
-      /**
-       * The media is no longer blocked from playback, and has started playing.
-       *
-       * @event Player#playing
-       * @type {Event}
-       */
-      this.trigger('playing');
-    }
-
-    /**
-     * Retrigger the `seeking` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#seeking
-     * @listens Tech#seeking
-     * @private
-     */
-    handleTechSeeking_() {
-      this.addClass('vjs-seeking');
-      /**
-       * Fired whenever the player is jumping to a new time
-       *
-       * @event Player#seeking
-       * @type {Event}
-       */
-      this.trigger('seeking');
-    }
-
-    /**
-     * Retrigger the `seeked` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#seeked
-     * @listens Tech#seeked
-     * @private
-     */
-    handleTechSeeked_() {
-      this.removeClass('vjs-seeking', 'vjs-ended');
-      /**
-       * Fired when the player has finished jumping to a new time
-       *
-       * @event Player#seeked
-       * @type {Event}
-       */
-      this.trigger('seeked');
-    }
-
-    /**
-     * Retrigger the `pause` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#pause
-     * @listens Tech#pause
-     * @private
-     */
-    handleTechPause_() {
-      this.removeClass('vjs-playing');
-      this.addClass('vjs-paused');
-      /**
-       * Fired whenever the media has been paused
-       *
-       * @event Player#pause
-       * @type {Event}
-       */
-      this.trigger('pause');
-    }
-
-    /**
-     * Retrigger the `ended` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#ended
-     * @listens Tech#ended
-     * @private
-     */
-    handleTechEnded_() {
-      this.addClass('vjs-ended');
-      this.removeClass('vjs-waiting');
-      if (this.options_.loop) {
-        this.currentTime(0);
-        this.play();
-      } else if (!this.paused()) {
-        this.pause();
-      }
-
-      /**
-       * Fired when the end of the media resource is reached (currentTime == duration)
-       *
-       * @event Player#ended
-       * @type {Event}
-       */
-      this.trigger('ended');
-    }
-
-    /**
-     * Fired when the duration of the media resource is first known or changed
-     *
-     * @listens Tech#durationchange
-     * @private
-     */
-    handleTechDurationChange_() {
-      this.duration(this.techGet_('duration'));
-    }
-
-    /**
-     * Handle a click on the media element to play/pause
-     *
-     * @param {Event} event
-     *        the event that caused this function to trigger
-     *
-     * @listens Tech#click
-     * @private
-     */
-    handleTechClick_(event) {
-      // When controls are disabled a click should not toggle playback because
-      // the click is considered a control
-      if (!this.controls_) {
-        return;
-      }
-      if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.click === undefined || this.options_.userActions.click !== false) {
-        if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.click === 'function') {
-          this.options_.userActions.click.call(this, event);
-        } else if (this.paused()) {
-          silencePromise(this.play());
-        } else {
-          this.pause();
-        }
-      }
-    }
-
-    /**
-     * Handle a double-click on the media element to enter/exit fullscreen
-     *
-     * @param {Event} event
-     *        the event that caused this function to trigger
-     *
-     * @listens Tech#dblclick
-     * @private
-     */
-    handleTechDoubleClick_(event) {
-      if (!this.controls_) {
-        return;
-      }
-
-      // we do not want to toggle fullscreen state
-      // when double-clicking inside a control bar or a modal
-      const inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), el => el.contains(event.target));
-      if (!inAllowedEls) {
-        /*
-         * options.userActions.doubleClick
-         *
-         * If `undefined` or `true`, double-click toggles fullscreen if controls are present
-         * Set to `false` to disable double-click handling
-         * Set to a function to substitute an external double-click handler
-         */
-        if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.doubleClick === undefined || this.options_.userActions.doubleClick !== false) {
-          if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.doubleClick === 'function') {
-            this.options_.userActions.doubleClick.call(this, event);
-          } else if (this.isFullscreen()) {
-            this.exitFullscreen();
-          } else {
-            this.requestFullscreen();
-          }
-        }
-      }
-    }
-
-    /**
-     * Handle a tap on the media element. It will toggle the user
-     * activity state, which hides and shows the controls.
-     *
-     * @listens Tech#tap
-     * @private
-     */
-    handleTechTap_() {
-      this.userActive(!this.userActive());
-    }
-
-    /**
-     * Handle touch to start
-     *
-     * @listens Tech#touchstart
-     * @private
-     */
-    handleTechTouchStart_() {
-      this.userWasActive = this.userActive();
-    }
-
-    /**
-     * Handle touch to move
-     *
-     * @listens Tech#touchmove
-     * @private
-     */
-    handleTechTouchMove_() {
-      if (this.userWasActive) {
-        this.reportUserActivity();
-      }
-    }
-
-    /**
-     * Handle touch to end
-     *
-     * @param {Event} event
-     *        the touchend event that triggered
-     *        this function
-     *
-     * @listens Tech#touchend
-     * @private
-     */
-    handleTechTouchEnd_(event) {
-      // Stop the mouse events from also happening
-      if (event.cancelable) {
-        event.preventDefault();
-      }
-    }
-
-    /**
-     * @private
-     */
-    toggleFullscreenClass_() {
-      if (this.isFullscreen()) {
-        this.addClass('vjs-fullscreen');
-      } else {
-        this.removeClass('vjs-fullscreen');
-      }
-    }
-
-    /**
-     * when the document fschange event triggers it calls this
-     */
-    documentFullscreenChange_(e) {
-      const targetPlayer = e.target.player;
-
-      // if another player was fullscreen
-      // do a null check for targetPlayer because older firefox's would put document as e.target
-      if (targetPlayer && targetPlayer !== this) {
-        return;
-      }
-      const el = this.el();
-      let isFs = document[this.fsApi_.fullscreenElement] === el;
-      if (!isFs && el.matches) {
-        isFs = el.matches(':' + this.fsApi_.fullscreen);
-      }
-      this.isFullscreen(isFs);
-    }
-
-    /**
-     * Handle Tech Fullscreen Change
-     *
-     * @param {Event} event
-     *        the fullscreenchange event that triggered this function
-     *
-     * @param {Object} data
-     *        the data that was sent with the event
-     *
-     * @private
-     * @listens Tech#fullscreenchange
-     * @fires Player#fullscreenchange
-     */
-    handleTechFullscreenChange_(event, data) {
-      if (data) {
-        if (data.nativeIOSFullscreen) {
-          this.addClass('vjs-ios-native-fs');
-          this.tech_.one('webkitendfullscreen', () => {
-            this.removeClass('vjs-ios-native-fs');
-          });
-        }
-        this.isFullscreen(data.isFullscreen);
-      }
-    }
-    handleTechFullscreenError_(event, err) {
-      this.trigger('fullscreenerror', err);
-    }
-
-    /**
-     * @private
-     */
-    togglePictureInPictureClass_() {
-      if (this.isInPictureInPicture()) {
-        this.addClass('vjs-picture-in-picture');
-      } else {
-        this.removeClass('vjs-picture-in-picture');
-      }
-    }
-
-    /**
-     * Handle Tech Enter Picture-in-Picture.
-     *
-     * @param {Event} event
-     *        the enterpictureinpicture event that triggered this function
-     *
-     * @private
-     * @listens Tech#enterpictureinpicture
-     */
-    handleTechEnterPictureInPicture_(event) {
-      this.isInPictureInPicture(true);
-    }
-
-    /**
-     * Handle Tech Leave Picture-in-Picture.
-     *
-     * @param {Event} event
-     *        the leavepictureinpicture event that triggered this function
-     *
-     * @private
-     * @listens Tech#leavepictureinpicture
-     */
-    handleTechLeavePictureInPicture_(event) {
-      this.isInPictureInPicture(false);
-    }
-
-    /**
-     * Fires when an error occurred during the loading of an audio/video.
-     *
-     * @private
-     * @listens Tech#error
-     */
-    handleTechError_() {
-      const error = this.tech_.error();
-      if (error) {
-        this.error(error);
-      }
-    }
-
-    /**
-     * Retrigger the `textdata` event that was triggered by the {@link Tech}.
-     *
-     * @fires Player#textdata
-     * @listens Tech#textdata
-     * @private
-     */
-    handleTechTextData_() {
-      let data = null;
-      if (arguments.length > 1) {
-        data = arguments[1];
-      }
-
-      /**
-       * Fires when we get a textdata event from tech
-       *
-       * @event Player#textdata
-       * @type {Event}
-       */
-      this.trigger('textdata', data);
-    }
-
-    /**
-     * Get object for cached values.
-     *
-     * @return {Object}
-     *         get the current object cache
-     */
-    getCache() {
-      return this.cache_;
-    }
-
-    /**
-     * Resets the internal cache object.
-     *
-     * Using this function outside the player constructor or reset method may
-     * have unintended side-effects.
-     *
-     * @private
-     */
-    resetCache_() {
-      this.cache_ = {
-        // Right now, the currentTime is not _really_ cached because it is always
-        // retrieved from the tech (see: currentTime). However, for completeness,
-        // we set it to zero here to ensure that if we do start actually caching
-        // it, we reset it along with everything else.
-        currentTime: 0,
-        initTime: 0,
-        inactivityTimeout: this.options_.inactivityTimeout,
-        duration: NaN,
-        lastVolume: 1,
-        lastPlaybackRate: this.defaultPlaybackRate(),
-        media: null,
-        src: '',
-        source: {},
-        sources: [],
-        playbackRates: [],
-        volume: 1
-      };
-    }
-
-    /**
-     * Pass values to the playback tech
-     *
-     * @param {string} [method]
-     *        the method to call
-     *
-     * @param {Object} [arg]
-     *        the argument to pass
-     *
-     * @private
-     */
-    techCall_(method, arg) {
-      // If it's not ready yet, call method when it is
-
-      this.ready(function () {
-        if (method in allowedSetters) {
-          return set(this.middleware_, this.tech_, method, arg);
-        } else if (method in allowedMediators) {
-          return mediate(this.middleware_, this.tech_, method, arg);
-        }
-        try {
-          if (this.tech_) {
-            this.tech_[method](arg);
-          }
-        } catch (e) {
-          log(e);
-          throw e;
-        }
-      }, true);
-    }
-
-    /**
-     * Mediate attempt to call playback tech method
-     * and return the value of the method called.
-     *
-     * @param {string} method
-     *        Tech method
-     *
-     * @return {*}
-     *         Value returned by the tech method called, undefined if tech
-     *         is not ready or tech method is not present
-     *
-     * @private
-     */
-    techGet_(method) {
-      if (!this.tech_ || !this.tech_.isReady_) {
-        return;
-      }
-      if (method in allowedGetters) {
-        return get(this.middleware_, this.tech_, method);
-      } else if (method in allowedMediators) {
-        return mediate(this.middleware_, this.tech_, method);
-      }
-
-      // Log error when playback tech object is present but method
-      // is undefined or unavailable
-      try {
-        return this.tech_[method]();
-      } catch (e) {
-        // When building additional tech libs, an expected method may not be defined yet
-        if (this.tech_[method] === undefined) {
-          log(`Video.js: ${method} method not defined for ${this.techName_} playback technology.`, e);
-          throw e;
-        }
-
-        // When a method isn't available on the object it throws a TypeError
-        if (e.name === 'TypeError') {
-          log(`Video.js: ${method} unavailable on ${this.techName_} playback technology element.`, e);
-          this.tech_.isReady_ = false;
-          throw e;
-        }
-
-        // If error unknown, just log and throw
-        log(e);
-        throw e;
-      }
-    }
-
-    /**
-     * Attempt to begin playback at the first opportunity.
-     *
-     * @return {Promise|undefined}
-     *         Returns a promise if the browser supports Promises (or one
-     *         was passed in as an option). This promise will be resolved on
-     *         the return value of play. If this is undefined it will fulfill the
-     *         promise chain otherwise the promise chain will be fulfilled when
-     *         the promise from play is fulfilled.
-     */
-    play() {
-      return new Promise(resolve => {
-        this.play_(resolve);
-      });
-    }
-
-    /**
-     * The actual logic for play, takes a callback that will be resolved on the
-     * return value of play. This allows us to resolve to the play promise if there
-     * is one on modern browsers.
-     *
-     * @private
-     * @param {Function} [callback]
-     *        The callback that should be called when the techs play is actually called
-     */
-    play_(callback = silencePromise) {
-      this.playCallbacks_.push(callback);
-      const isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc()));
-      const isSafariOrIOS = Boolean(IS_ANY_SAFARI || IS_IOS);
-
-      // treat calls to play_ somewhat like the `one` event function
-      if (this.waitToPlay_) {
-        this.off(['ready', 'loadstart'], this.waitToPlay_);
-        this.waitToPlay_ = null;
-      }
-
-      // if the player/tech is not ready or the src itself is not ready
-      // queue up a call to play on `ready` or `loadstart`
-      if (!this.isReady_ || !isSrcReady) {
-        this.waitToPlay_ = e => {
-          this.play_();
-        };
-        this.one(['ready', 'loadstart'], this.waitToPlay_);
-
-        // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod
-        // in that case, we need to prime the video element by calling load so it'll be ready in time
-        if (!isSrcReady && isSafariOrIOS) {
-          this.load();
-        }
-        return;
-      }
-
-      // If the player/tech is ready and we have a source, we can attempt playback.
-      const val = this.techGet_('play');
-
-      // For native playback, reset the progress bar if we get a play call from a replay.
-      const isNativeReplay = isSafariOrIOS && this.hasClass('vjs-ended');
-      if (isNativeReplay) {
-        this.resetProgressBar_();
-      }
-      // play was terminated if the returned value is null
-      if (val === null) {
-        this.runPlayTerminatedQueue_();
-      } else {
-        this.runPlayCallbacks_(val);
-      }
-    }
-
-    /**
-     * These functions will be run when if play is terminated. If play
-     * runPlayCallbacks_ is run these function will not be run. This allows us
-     * to differentiate between a terminated play and an actual call to play.
-     */
-    runPlayTerminatedQueue_() {
-      const queue = this.playTerminatedQueue_.slice(0);
-      this.playTerminatedQueue_ = [];
-      queue.forEach(function (q) {
-        q();
-      });
-    }
-
-    /**
-     * When a callback to play is delayed we have to run these
-     * callbacks when play is actually called on the tech. This function
-     * runs the callbacks that were delayed and accepts the return value
-     * from the tech.
-     *
-     * @param {undefined|Promise} val
-     *        The return value from the tech.
-     */
-    runPlayCallbacks_(val) {
-      const callbacks = this.playCallbacks_.slice(0);
-      this.playCallbacks_ = [];
-      // clear play terminatedQueue since we finished a real play
-      this.playTerminatedQueue_ = [];
-      callbacks.forEach(function (cb) {
-        cb(val);
-      });
-    }
-
-    /**
-     * Pause the video playback
-     */
-    pause() {
-      this.techCall_('pause');
-    }
-
-    /**
-     * Check if the player is paused or has yet to play
-     *
-     * @return {boolean}
-     *         - false: if the media is currently playing
-     *         - true: if media is not currently playing
-     */
-    paused() {
-      // The initial state of paused should be true (in Safari it's actually false)
-      return this.techGet_('paused') === false ? false : true;
-    }
-
-    /**
-     * Get a TimeRange object representing the current ranges of time that the user
-     * has played.
-     *
-     * @return { import('./utils/time').TimeRange }
-     *         A time range object that represents all the increments of time that have
-     *         been played.
-     */
-    played() {
-      return this.techGet_('played') || createTimeRanges(0, 0);
-    }
-
-    /**
-     * Sets or returns whether or not the user is "scrubbing". Scrubbing is
-     * when the user has clicked the progress bar handle and is
-     * dragging it along the progress bar.
-     *
-     * @param {boolean} [isScrubbing]
-     *        whether the user is or is not scrubbing
-     *
-     * @return {boolean|undefined}
-     *         - The value of scrubbing when getting
-     *         - Nothing when setting
-     */
-    scrubbing(isScrubbing) {
-      if (typeof isScrubbing === 'undefined') {
-        return this.scrubbing_;
-      }
-      this.scrubbing_ = !!isScrubbing;
-      this.techCall_('setScrubbing', this.scrubbing_);
-      if (isScrubbing) {
-        this.addClass('vjs-scrubbing');
-      } else {
-        this.removeClass('vjs-scrubbing');
-      }
-    }
-
-    /**
-     * Get or set the current time (in seconds)
-     *
-     * @param {number|string} [seconds]
-     *        The time to seek to in seconds
-     *
-     * @return {number|undefined}
-     *         - the current time in seconds when getting
-     *         - Nothing when setting
-     */
-    currentTime(seconds) {
-      if (seconds === undefined) {
-        // cache last currentTime and return. default to 0 seconds
-        //
-        // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
-        // currentTime when scrubbing, but may not provide much performance benefit after all.
-        // Should be tested. Also something has to read the actual current time or the cache will
-        // never get updated.
-        this.cache_.currentTime = this.techGet_('currentTime') || 0;
-        return this.cache_.currentTime;
-      }
-      if (seconds < 0) {
-        seconds = 0;
-      }
-      if (!this.isReady_ || this.changingSrc_ || !this.tech_ || !this.tech_.isReady_) {
-        this.cache_.initTime = seconds;
-        this.off('canplay', this.boundApplyInitTime_);
-        this.one('canplay', this.boundApplyInitTime_);
-        return;
-      }
-      this.techCall_('setCurrentTime', seconds);
-      this.cache_.initTime = 0;
-      if (isFinite(seconds)) {
-        this.cache_.currentTime = Number(seconds);
-      }
-    }
-
-    /**
-     * Apply the value of initTime stored in cache as currentTime.
-     *
-     * @private
-     */
-    applyInitTime_() {
-      this.currentTime(this.cache_.initTime);
-    }
-
-    /**
-     * Normally gets the length in time of the video in seconds;
-     * in all but the rarest use cases an argument will NOT be passed to the method
-     *
-     * > **NOTE**: The video must have started loading before the duration can be
-     * known, and depending on preload behaviour may not be known until the video starts
-     * playing.
-     *
-     * @fires Player#durationchange
-     *
-     * @param {number} [seconds]
-     *        The duration of the video to set in seconds
-     *
-     * @return {number|undefined}
-     *         - The duration of the video in seconds when getting
-     *         - Nothing when setting
-     */
-    duration(seconds) {
-      if (seconds === undefined) {
-        // return NaN if the duration is not known
-        return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
-      }
-      seconds = parseFloat(seconds);
-
-      // Standardize on Infinity for signaling video is live
-      if (seconds < 0) {
-        seconds = Infinity;
-      }
-      if (seconds !== this.cache_.duration) {
-        // Cache the last set value for optimized scrubbing
-        this.cache_.duration = seconds;
-        if (seconds === Infinity) {
-          this.addClass('vjs-live');
-        } else {
-          this.removeClass('vjs-live');
-        }
-        if (!isNaN(seconds)) {
-          // Do not fire durationchange unless the duration value is known.
-          // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}
-
-          /**
-           * @event Player#durationchange
-           * @type {Event}
-           */
-          this.trigger('durationchange');
-        }
-      }
-    }
-
-    /**
-     * Calculates how much time is left in the video. Not part
-     * of the native video API.
-     *
-     * @return {number}
-     *         The time remaining in seconds
-     */
-    remainingTime() {
-      return this.duration() - this.currentTime();
-    }
-
-    /**
-     * A remaining time function that is intended to be used when
-     * the time is to be displayed directly to the user.
-     *
-     * @return {number}
-     *         The rounded time remaining in seconds
-     */
-    remainingTimeDisplay() {
-      return Math.floor(this.duration()) - Math.floor(this.currentTime());
-    }
-
-    //
-    // Kind of like an array of portions of the video that have been downloaded.
-
-    /**
-     * Get a TimeRange object with an array of the times of the video
-     * that have been downloaded. If you just want the percent of the
-     * video that's been downloaded, use bufferedPercent.
-     *
-     * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
-     *
-     * @return { import('./utils/time').TimeRange }
-     *         A mock {@link TimeRanges} object (following HTML spec)
-     */
-    buffered() {
-      let buffered = this.techGet_('buffered');
-      if (!buffered || !buffered.length) {
-        buffered = createTimeRanges(0, 0);
-      }
-      return buffered;
-    }
-
-    /**
-     * Get the TimeRanges of the media that are currently available
-     * for seeking to.
-     *
-     * @see [Seekable Spec]{@link https://html.spec.whatwg.org/multipage/media.html#dom-media-seekable}
-     *
-     * @return { import('./utils/time').TimeRange }
-     *         A mock {@link TimeRanges} object (following HTML spec)
-     */
-    seekable() {
-      let seekable = this.techGet_('seekable');
-      if (!seekable || !seekable.length) {
-        seekable = createTimeRanges(0, 0);
-      }
-      return seekable;
-    }
-
-    /**
-     * Returns whether the player is in the "seeking" state.
-     *
-     * @return {boolean} True if the player is in the seeking state, false if not.
-     */
-    seeking() {
-      return this.techGet_('seeking');
-    }
-
-    /**
-     * Returns whether the player is in the "ended" state.
-     *
-     * @return {boolean} True if the player is in the ended state, false if not.
-     */
-    ended() {
-      return this.techGet_('ended');
-    }
-
-    /**
-     * Returns the current state of network activity for the element, from
-     * the codes in the list below.
-     * - NETWORK_EMPTY (numeric value 0)
-     *   The element has not yet been initialised. All attributes are in
-     *   their initial states.
-     * - NETWORK_IDLE (numeric value 1)
-     *   The element's resource selection algorithm is active and has
-     *   selected a resource, but it is not actually using the network at
-     *   this time.
-     * - NETWORK_LOADING (numeric value 2)
-     *   The user agent is actively trying to download data.
-     * - NETWORK_NO_SOURCE (numeric value 3)
-     *   The element's resource selection algorithm is active, but it has
-     *   not yet found a resource to use.
-     *
-     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
-     * @return {number} the current network activity state
-     */
-    networkState() {
-      return this.techGet_('networkState');
-    }
-
-    /**
-     * Returns a value that expresses the current state of the element
-     * with respect to rendering the current playback position, from the
-     * codes in the list below.
-     * - HAVE_NOTHING (numeric value 0)
-     *   No information regarding the media resource is available.
-     * - HAVE_METADATA (numeric value 1)
-     *   Enough of the resource has been obtained that the duration of the
-     *   resource is available.
-     * - HAVE_CURRENT_DATA (numeric value 2)
-     *   Data for the immediate current playback position is available.
-     * - HAVE_FUTURE_DATA (numeric value 3)
-     *   Data for the immediate current playback position is available, as
-     *   well as enough data for the user agent to advance the current
-     *   playback position in the direction of playback.
-     * - HAVE_ENOUGH_DATA (numeric value 4)
-     *   The user agent estimates that enough data is available for
-     *   playback to proceed uninterrupted.
-     *
-     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
-     * @return {number} the current playback rendering state
-     */
-    readyState() {
-      return this.techGet_('readyState');
-    }
-
-    /**
-     * Get the percent (as a decimal) of the video that's been downloaded.
-     * This method is not a part of the native HTML video API.
-     *
-     * @return {number}
-     *         A decimal between 0 and 1 representing the percent
-     *         that is buffered 0 being 0% and 1 being 100%
-     */
-    bufferedPercent() {
-      return bufferedPercent(this.buffered(), this.duration());
-    }
-
-    /**
-     * Get the ending time of the last buffered time range
-     * This is used in the progress bar to encapsulate all time ranges.
-     *
-     * @return {number}
-     *         The end of the last buffered time range
-     */
-    bufferedEnd() {
-      const buffered = this.buffered();
-      const duration = this.duration();
-      let end = buffered.end(buffered.length - 1);
-      if (end > duration) {
-        end = duration;
-      }
-      return end;
-    }
-
-    /**
-     * Get or set the current volume of the media
-     *
-     * @param  {number} [percentAsDecimal]
-     *         The new volume as a decimal percent:
-     *         - 0 is muted/0%/off
-     *         - 1.0 is 100%/full
-     *         - 0.5 is half volume or 50%
-     *
-     * @return {number|undefined}
-     *         The current volume as a percent when getting
-     */
-    volume(percentAsDecimal) {
-      let vol;
-      if (percentAsDecimal !== undefined) {
-        // Force value to between 0 and 1
-        vol = Math.max(0, Math.min(1, percentAsDecimal));
-        this.cache_.volume = vol;
-        this.techCall_('setVolume', vol);
-        if (vol > 0) {
-          this.lastVolume_(vol);
-        }
-        return;
-      }
-
-      // Default to 1 when returning current volume.
-      vol = parseFloat(this.techGet_('volume'));
-      return isNaN(vol) ? 1 : vol;
-    }
-
-    /**
-     * Get the current muted state, or turn mute on or off
-     *
-     * @param {boolean} [muted]
-     *        - true to mute
-     *        - false to unmute
-     *
-     * @return {boolean|undefined}
-     *         - true if mute is on and getting
-     *         - false if mute is off and getting
-     *         - nothing if setting
-     */
-    muted(muted) {
-      if (muted !== undefined) {
-        this.techCall_('setMuted', muted);
-        return;
-      }
-      return this.techGet_('muted') || false;
-    }
-
-    /**
-     * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
-     * indicates the state of muted on initial playback.
-     *
-     * ```js
-     *   var myPlayer = videojs('some-player-id');
-     *
-     *   myPlayer.src("http://www.example.com/path/to/video.mp4");
-     *
-     *   // get, should be false
-     *   console.log(myPlayer.defaultMuted());
-     *   // set to true
-     *   myPlayer.defaultMuted(true);
-     *   // get should be true
-     *   console.log(myPlayer.defaultMuted());
-     * ```
-     *
-     * @param {boolean} [defaultMuted]
-     *        - true to mute
-     *        - false to unmute
-     *
-     * @return {boolean|undefined}
-     *         - true if defaultMuted is on and getting
-     *         - false if defaultMuted is off and getting
-     *         - Nothing when setting
-     */
-    defaultMuted(defaultMuted) {
-      if (defaultMuted !== undefined) {
-        this.techCall_('setDefaultMuted', defaultMuted);
-      }
-      return this.techGet_('defaultMuted') || false;
-    }
-
-    /**
-     * Get the last volume, or set it
-     *
-     * @param  {number} [percentAsDecimal]
-     *         The new last volume as a decimal percent:
-     *         - 0 is muted/0%/off
-     *         - 1.0 is 100%/full
-     *         - 0.5 is half volume or 50%
-     *
-     * @return {number|undefined}
-     *         - The current value of lastVolume as a percent when getting
-     *         - Nothing when setting
-     *
-     * @private
-     */
-    lastVolume_(percentAsDecimal) {
-      if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
-        this.cache_.lastVolume = percentAsDecimal;
-        return;
-      }
-      return this.cache_.lastVolume;
-    }
-
-    /**
-     * Check if current tech can support native fullscreen
-     * (e.g. with built in controls like iOS)
-     *
-     * @return {boolean}
-     *         if native fullscreen is supported
-     */
-    supportsFullScreen() {
-      return this.techGet_('supportsFullScreen') || false;
-    }
-
-    /**
-     * Check if the player is in fullscreen mode or tell the player that it
-     * is or is not in fullscreen mode.
-     *
-     * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
-     * property and instead document.fullscreenElement is used. But isFullscreen is
-     * still a valuable property for internal player workings.
-     *
-     * @param  {boolean} [isFS]
-     *         Set the players current fullscreen state
-     *
-     * @return {boolean|undefined}
-     *         - true if fullscreen is on and getting
-     *         - false if fullscreen is off and getting
-     *         - Nothing when setting
-     */
-    isFullscreen(isFS) {
-      if (isFS !== undefined) {
-        const oldValue = this.isFullscreen_;
-        this.isFullscreen_ = Boolean(isFS);
-
-        // if we changed fullscreen state and we're in prefixed mode, trigger fullscreenchange
-        // this is the only place where we trigger fullscreenchange events for older browsers
-        // fullWindow mode is treated as a prefixed event and will get a fullscreenchange event as well
-        if (this.isFullscreen_ !== oldValue && this.fsApi_.prefixed) {
-          /**
-             * @event Player#fullscreenchange
-             * @type {Event}
-             */
-          this.trigger('fullscreenchange');
-        }
-        this.toggleFullscreenClass_();
-        return;
-      }
-      return this.isFullscreen_;
-    }
-
-    /**
-     * Increase the size of the video to full screen
-     * In some browsers, full screen is not supported natively, so it enters
-     * "full window mode", where the video fills the browser window.
-     * In browsers and devices that support native full screen, sometimes the
-     * browser's default controls will be shown, and not the Video.js custom skin.
-     * This includes most mobile devices (iOS, Android) and older versions of
-     * Safari.
-     *
-     * @param  {Object} [fullscreenOptions]
-     *         Override the player fullscreen options
-     *
-     * @fires Player#fullscreenchange
-     */
-    requestFullscreen(fullscreenOptions) {
-      if (this.isInPictureInPicture()) {
-        this.exitPictureInPicture();
-      }
-      const self = this;
-      return new Promise((resolve, reject) => {
-        function offHandler() {
-          self.off('fullscreenerror', errorHandler);
-          self.off('fullscreenchange', changeHandler);
-        }
-        function changeHandler() {
-          offHandler();
-          resolve();
-        }
-        function errorHandler(e, err) {
-          offHandler();
-          reject(err);
-        }
-        self.one('fullscreenchange', changeHandler);
-        self.one('fullscreenerror', errorHandler);
-        const promise = self.requestFullscreenHelper_(fullscreenOptions);
-        if (promise) {
-          promise.then(offHandler, offHandler);
-          promise.then(resolve, reject);
-        }
-      });
-    }
-    requestFullscreenHelper_(fullscreenOptions) {
-      let fsOptions;
-
-      // Only pass fullscreen options to requestFullscreen in spec-compliant browsers.
-      // Use defaults or player configured option unless passed directly to this method.
-      if (!this.fsApi_.prefixed) {
-        fsOptions = this.options_.fullscreen && this.options_.fullscreen.options || {};
-        if (fullscreenOptions !== undefined) {
-          fsOptions = fullscreenOptions;
-        }
-      }
-
-      // This method works as follows:
-      // 1. if a fullscreen api is available, use it
-      //   1. call requestFullscreen with potential options
-      //   2. if we got a promise from above, use it to update isFullscreen()
-      // 2. otherwise, if the tech supports fullscreen, call `enterFullScreen` on it.
-      //   This is particularly used for iPhone, older iPads, and non-safari browser on iOS.
-      // 3. otherwise, use "fullWindow" mode
-      if (this.fsApi_.requestFullscreen) {
-        const promise = this.el_[this.fsApi_.requestFullscreen](fsOptions);
-
-        // Even on browsers with promise support this may not return a promise
-        if (promise) {
-          promise.then(() => this.isFullscreen(true), () => this.isFullscreen(false));
-        }
-        return promise;
-      } else if (this.tech_.supportsFullScreen() && !this.options_.preferFullWindow === true) {
-        // we can't take the video.js controls fullscreen but we can go fullscreen
-        // with native controls
-        this.techCall_('enterFullScreen');
-      } else {
-        // fullscreen isn't supported so we'll just stretch the video element to
-        // fill the viewport
-        this.enterFullWindow();
-      }
-    }
-
-    /**
-     * Return the video to its normal size after having been in full screen mode
-     *
-     * @fires Player#fullscreenchange
-     */
-    exitFullscreen() {
-      const self = this;
-      return new Promise((resolve, reject) => {
-        function offHandler() {
-          self.off('fullscreenerror', errorHandler);
-          self.off('fullscreenchange', changeHandler);
-        }
-        function changeHandler() {
-          offHandler();
-          resolve();
-        }
-        function errorHandler(e, err) {
-          offHandler();
-          reject(err);
-        }
-        self.one('fullscreenchange', changeHandler);
-        self.one('fullscreenerror', errorHandler);
-        const promise = self.exitFullscreenHelper_();
-        if (promise) {
-          promise.then(offHandler, offHandler);
-          // map the promise to our resolve/reject methods
-          promise.then(resolve, reject);
-        }
-      });
-    }
-    exitFullscreenHelper_() {
-      if (this.fsApi_.requestFullscreen) {
-        const promise = document[this.fsApi_.exitFullscreen]();
-
-        // Even on browsers with promise support this may not return a promise
-        if (promise) {
-          // we're splitting the promise here, so, we want to catch the
-          // potential error so that this chain doesn't have unhandled errors
-          silencePromise(promise.then(() => this.isFullscreen(false)));
-        }
-        return promise;
-      } else if (this.tech_.supportsFullScreen() && !this.options_.preferFullWindow === true) {
-        this.techCall_('exitFullScreen');
-      } else {
-        this.exitFullWindow();
-      }
-    }
-
-    /**
-     * When fullscreen isn't supported we can stretch the
-     * video container to as wide as the browser will let us.
-     *
-     * @fires Player#enterFullWindow
-     */
-    enterFullWindow() {
-      this.isFullscreen(true);
-      this.isFullWindow = true;
-
-      // Storing original doc overflow value to return to when fullscreen is off
-      this.docOrigOverflow = document.documentElement.style.overflow;
-
-      // Add listener for esc key to exit fullscreen
-      on(document, 'keydown', this.boundFullWindowOnEscKey_);
-
-      // Hide any scroll bars
-      document.documentElement.style.overflow = 'hidden';
-
-      // Apply fullscreen styles
-      addClass(document.body, 'vjs-full-window');
-
-      /**
-       * @event Player#enterFullWindow
-       * @type {Event}
-       */
-      this.trigger('enterFullWindow');
-    }
-
-    /**
-     * Check for call to either exit full window or
-     * full screen on ESC key
-     *
-     * @param {string} event
-     *        Event to check for key press
-     */
-    fullWindowOnEscKey(event) {
-      if (keycode.isEventKey(event, 'Esc')) {
-        if (this.isFullscreen() === true) {
-          if (!this.isFullWindow) {
-            this.exitFullscreen();
-          } else {
-            this.exitFullWindow();
-          }
-        }
-      }
-    }
-
-    /**
-     * Exit full window
-     *
-     * @fires Player#exitFullWindow
-     */
-    exitFullWindow() {
-      this.isFullscreen(false);
-      this.isFullWindow = false;
-      off(document, 'keydown', this.boundFullWindowOnEscKey_);
-
-      // Unhide scroll bars.
-      document.documentElement.style.overflow = this.docOrigOverflow;
-
-      // Remove fullscreen styles
-      removeClass(document.body, 'vjs-full-window');
-
-      // Resize the box, controller, and poster to original sizes
-      // this.positionAll();
-      /**
-       * @event Player#exitFullWindow
-       * @type {Event}
-       */
-      this.trigger('exitFullWindow');
-    }
-
-    /**
-     * Get or set disable Picture-in-Picture mode.
-     *
-     * @param {boolean} [value]
-     *                  - true will disable Picture-in-Picture mode
-     *                  - false will enable Picture-in-Picture mode
-     */
-    disablePictureInPicture(value) {
-      if (value === undefined) {
-        return this.techGet_('disablePictureInPicture');
-      }
-      this.techCall_('setDisablePictureInPicture', value);
-      this.options_.disablePictureInPicture = value;
-      this.trigger('disablepictureinpicturechanged');
-    }
-
-    /**
-     * Check if the player is in Picture-in-Picture mode or tell the player that it
-     * is or is not in Picture-in-Picture mode.
-     *
-     * @param  {boolean} [isPiP]
-     *         Set the players current Picture-in-Picture state
-     *
-     * @return {boolean|undefined}
-     *         - true if Picture-in-Picture is on and getting
-     *         - false if Picture-in-Picture is off and getting
-     *         - nothing if setting
-     */
-    isInPictureInPicture(isPiP) {
-      if (isPiP !== undefined) {
-        this.isInPictureInPicture_ = !!isPiP;
-        this.togglePictureInPictureClass_();
-        return;
-      }
-      return !!this.isInPictureInPicture_;
-    }
-
-    /**
-     * Create a floating video window always on top of other windows so that users may
-     * continue consuming media while they interact with other content sites, or
-     * applications on their device.
-     *
-     * This can use document picture-in-picture or element picture in picture
-     *
-     * Set `enableDocumentPictureInPicture` to `true` to use docPiP on a supported browser
-     * Else set `disablePictureInPicture` to `false` to disable elPiP on a supported browser
-     *
-     *
-     * @see [Spec]{@link https://w3c.github.io/picture-in-picture/}
-     * @see [Spec]{@link https://wicg.github.io/document-picture-in-picture/}
-     *
-     * @fires Player#enterpictureinpicture
-     *
-     * @return {Promise}
-     *         A promise with a Picture-in-Picture window.
-     */
-    requestPictureInPicture() {
-      if (this.options_.enableDocumentPictureInPicture && window.documentPictureInPicture) {
-        const pipContainer = document.createElement(this.el().tagName);
-        pipContainer.classList = this.el().classList;
-        pipContainer.classList.add('vjs-pip-container');
-        if (this.posterImage) {
-          pipContainer.appendChild(this.posterImage.el().cloneNode(true));
-        }
-        if (this.titleBar) {
-          pipContainer.appendChild(this.titleBar.el().cloneNode(true));
-        }
-        pipContainer.appendChild(createEl('p', {
-          className: 'vjs-pip-text'
-        }, {}, this.localize('Playing in picture-in-picture')));
-        return window.documentPictureInPicture.requestWindow({
-          // The aspect ratio won't be correct, Chrome bug https://crbug.com/1407629
-          width: this.videoWidth(),
-          height: this.videoHeight()
-        }).then(pipWindow => {
-          copyStyleSheetsToWindow(pipWindow);
-          this.el_.parentNode.insertBefore(pipContainer, this.el_);
-          pipWindow.document.body.appendChild(this.el_);
-          pipWindow.document.body.classList.add('vjs-pip-window');
-          this.player_.isInPictureInPicture(true);
-          this.player_.trigger({
-            type: 'enterpictureinpicture',
-            pipWindow
-          });
-
-          // Listen for the PiP closing event to move the video back.
-          pipWindow.addEventListener('pagehide', event => {
-            const pipVideo = event.target.querySelector('.video-js');
-            pipContainer.parentNode.replaceChild(pipVideo, pipContainer);
-            this.player_.isInPictureInPicture(false);
-            this.player_.trigger('leavepictureinpicture');
-          });
-          return pipWindow;
-        });
-      }
-      if ('pictureInPictureEnabled' in document && this.disablePictureInPicture() === false) {
-        /**
-         * This event fires when the player enters picture in picture mode
-         *
-         * @event Player#enterpictureinpicture
-         * @type {Event}
-         */
-        return this.techGet_('requestPictureInPicture');
-      }
-      return Promise.reject('No PiP mode is available');
-    }
-
-    /**
-     * Exit Picture-in-Picture mode.
-     *
-     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}
-     *
-     * @fires Player#leavepictureinpicture
-     *
-     * @return {Promise}
-     *         A promise.
-     */
-    exitPictureInPicture() {
-      if (window.documentPictureInPicture && window.documentPictureInPicture.window) {
-        // With documentPictureInPicture, Player#leavepictureinpicture is fired in the pagehide handler
-        window.documentPictureInPicture.window.close();
-        return Promise.resolve();
-      }
-      if ('pictureInPictureEnabled' in document) {
-        /**
-         * This event fires when the player leaves picture in picture mode
-         *
-         * @event Player#leavepictureinpicture
-         * @type {Event}
-         */
-        return document.exitPictureInPicture();
-      }
-    }
-
-    /**
-     * Called when this Player has focus and a key gets pressed down, or when
-     * any Component of this player receives a key press that it doesn't handle.
-     * This allows player-wide hotkeys (either as defined below, or optionally
-     * by an external function).
-     *
-     * @param {KeyboardEvent} event
-     *        The `keydown` event that caused this function to be called.
-     *
-     * @listens keydown
-     */
-    handleKeyDown(event) {
-      const {
-        userActions
-      } = this.options_;
-
-      // Bail out if hotkeys are not configured.
-      if (!userActions || !userActions.hotkeys) {
-        return;
-      }
-
-      // Function that determines whether or not to exclude an element from
-      // hotkeys handling.
-      const excludeElement = el => {
-        const tagName = el.tagName.toLowerCase();
-
-        // The first and easiest test is for `contenteditable` elements.
-        if (el.isContentEditable) {
-          return true;
-        }
-
-        // Inputs matching these types will still trigger hotkey handling as
-        // they are not text inputs.
-        const allowedInputTypes = ['button', 'checkbox', 'hidden', 'radio', 'reset', 'submit'];
-        if (tagName === 'input') {
-          return allowedInputTypes.indexOf(el.type) === -1;
-        }
-
-        // The final test is by tag name. These tags will be excluded entirely.
-        const excludedTags = ['textarea'];
-        return excludedTags.indexOf(tagName) !== -1;
-      };
-
-      // Bail out if the user is focused on an interactive form element.
-      if (excludeElement(this.el_.ownerDocument.activeElement)) {
-        return;
-      }
-      if (typeof userActions.hotkeys === 'function') {
-        userActions.hotkeys.call(this, event);
-      } else {
-        this.handleHotkeys(event);
-      }
-    }
-
-    /**
-     * Called when this Player receives a hotkey keydown event.
-     * Supported player-wide hotkeys are:
-     *
-     *   f          - toggle fullscreen
-     *   m          - toggle mute
-     *   k or Space - toggle play/pause
-     *
-     * @param {Event} event
-     *        The `keydown` event that caused this function to be called.
-     */
-    handleHotkeys(event) {
-      const hotkeys = this.options_.userActions ? this.options_.userActions.hotkeys : {};
-
-      // set fullscreenKey, muteKey, playPauseKey from `hotkeys`, use defaults if not set
-      const {
-        fullscreenKey = keydownEvent => keycode.isEventKey(keydownEvent, 'f'),
-        muteKey = keydownEvent => keycode.isEventKey(keydownEvent, 'm'),
-        playPauseKey = keydownEvent => keycode.isEventKey(keydownEvent, 'k') || keycode.isEventKey(keydownEvent, 'Space')
-      } = hotkeys;
-      if (fullscreenKey.call(this, event)) {
-        event.preventDefault();
-        event.stopPropagation();
-        const FSToggle = Component.getComponent('FullscreenToggle');
-        if (document[this.fsApi_.fullscreenEnabled] !== false) {
-          FSToggle.prototype.handleClick.call(this, event);
-        }
-      } else if (muteKey.call(this, event)) {
-        event.preventDefault();
-        event.stopPropagation();
-        const MuteToggle = Component.getComponent('MuteToggle');
-        MuteToggle.prototype.handleClick.call(this, event);
-      } else if (playPauseKey.call(this, event)) {
-        event.preventDefault();
-        event.stopPropagation();
-        const PlayToggle = Component.getComponent('PlayToggle');
-        PlayToggle.prototype.handleClick.call(this, event);
-      }
-    }
-
-    /**
-     * Check whether the player can play a given mimetype
-     *
-     * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
-     *
-     * @param {string} type
-     *        The mimetype to check
-     *
-     * @return {string}
-     *         'probably', 'maybe', or '' (empty string)
-     */
-    canPlayType(type) {
-      let can;
-
-      // Loop through each playback technology in the options order
-      for (let i = 0, j = this.options_.techOrder; i < j.length; i++) {
-        const techName = j[i];
-        let tech = Tech.getTech(techName);
-
-        // Support old behavior of techs being registered as components.
-        // Remove once that deprecated behavior is removed.
-        if (!tech) {
-          tech = Component.getComponent(techName);
-        }
-
-        // Check if the current tech is defined before continuing
-        if (!tech) {
-          log.error(`The "${techName}" tech is undefined. Skipped browser support check for that tech.`);
-          continue;
-        }
-
-        // Check if the browser supports this technology
-        if (tech.isSupported()) {
-          can = tech.canPlayType(type);
-          if (can) {
-            return can;
-          }
-        }
-      }
-      return '';
-    }
-
-    /**
-     * Select source based on tech-order or source-order
-     * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
-     * defaults to tech-order selection
-     *
-     * @param {Array} sources
-     *        The sources for a media asset
-     *
-     * @return {Object|boolean}
-     *         Object of source and tech order or false
-     */
-    selectSource(sources) {
-      // Get only the techs specified in `techOrder` that exist and are supported by the
-      // current platform
-      const techs = this.options_.techOrder.map(techName => {
-        return [techName, Tech.getTech(techName)];
-      }).filter(([techName, tech]) => {
-        // Check if the current tech is defined before continuing
-        if (tech) {
-          // Check if the browser supports this technology
-          return tech.isSupported();
-        }
-        log.error(`The "${techName}" tech is undefined. Skipped browser support check for that tech.`);
-        return false;
-      });
-
-      // Iterate over each `innerArray` element once per `outerArray` element and execute
-      // `tester` with both. If `tester` returns a non-falsy value, exit early and return
-      // that value.
-      const findFirstPassingTechSourcePair = function (outerArray, innerArray, tester) {
-        let found;
-        outerArray.some(outerChoice => {
-          return innerArray.some(innerChoice => {
-            found = tester(outerChoice, innerChoice);
-            if (found) {
-              return true;
-            }
-          });
-        });
-        return found;
-      };
-      let foundSourceAndTech;
-      const flip = fn => (a, b) => fn(b, a);
-      const finder = ([techName, tech], source) => {
-        if (tech.canPlaySource(source, this.options_[techName.toLowerCase()])) {
-          return {
-            source,
-            tech: techName
-          };
-        }
-      };
-
-      // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
-      // to select from them based on their priority.
-      if (this.options_.sourceOrder) {
-        // Source-first ordering
-        foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
-      } else {
-        // Tech-first ordering
-        foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
-      }
-      return foundSourceAndTech || false;
-    }
-
-    /**
-     * Executes source setting and getting logic
-     *
-     * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
-     *        A SourceObject, an array of SourceObjects, or a string referencing
-     *        a URL to a media source. It is _highly recommended_ that an object
-     *        or array of objects is used here, so that source selection
-     *        algorithms can take the `type` into account.
-     *
-     *        If not provided, this method acts as a getter.
-     * @param {boolean} [isRetry]
-     *        Indicates whether this is being called internally as a result of a retry
-     *
-     * @return {string|undefined}
-     *         If the `source` argument is missing, returns the current source
-     *         URL. Otherwise, returns nothing/undefined.
-     */
-    handleSrc_(source, isRetry) {
-      // getter usage
-      if (typeof source === 'undefined') {
-        return this.cache_.src || '';
-      }
-
-      // Reset retry behavior for new source
-      if (this.resetRetryOnError_) {
-        this.resetRetryOnError_();
-      }
-
-      // filter out invalid sources and turn our source into
-      // an array of source objects
-      const sources = filterSource(source);
-
-      // if a source was passed in then it is invalid because
-      // it was filtered to a zero length Array. So we have to
-      // show an error
-      if (!sources.length) {
-        this.setTimeout(function () {
-          this.error({
-            code: 4,
-            message: this.options_.notSupportedMessage
-          });
-        }, 0);
-        return;
-      }
-
-      // initial sources
-      this.changingSrc_ = true;
-
-      // Only update the cached source list if we are not retrying a new source after error,
-      // since in that case we want to include the failed source(s) in the cache
-      if (!isRetry) {
-        this.cache_.sources = sources;
-      }
-      this.updateSourceCaches_(sources[0]);
-
-      // middlewareSource is the source after it has been changed by middleware
-      setSource(this, sources[0], (middlewareSource, mws) => {
-        this.middleware_ = mws;
-
-        // since sourceSet is async we have to update the cache again after we select a source since
-        // the source that is selected could be out of order from the cache update above this callback.
-        if (!isRetry) {
-          this.cache_.sources = sources;
-        }
-        this.updateSourceCaches_(middlewareSource);
-        const err = this.src_(middlewareSource);
-        if (err) {
-          if (sources.length > 1) {
-            return this.handleSrc_(sources.slice(1));
-          }
-          this.changingSrc_ = false;
-
-          // We need to wrap this in a timeout to give folks a chance to add error event handlers
-          this.setTimeout(function () {
-            this.error({
-              code: 4,
-              message: this.options_.notSupportedMessage
-            });
-          }, 0);
-
-          // we could not find an appropriate tech, but let's still notify the delegate that this is it
-          // this needs a better comment about why this is needed
-          this.triggerReady();
-          return;
-        }
-        setTech(mws, this.tech_);
-      });
-
-      // Try another available source if this one fails before playback.
-      if (sources.length > 1) {
-        const retry = () => {
-          // Remove the error modal
-          this.error(null);
-          this.handleSrc_(sources.slice(1), true);
-        };
-        const stopListeningForErrors = () => {
-          this.off('error', retry);
-        };
-        this.one('error', retry);
-        this.one('playing', stopListeningForErrors);
-        this.resetRetryOnError_ = () => {
-          this.off('error', retry);
-          this.off('playing', stopListeningForErrors);
-        };
-      }
-    }
-
-    /**
-     * Get or set the video source.
-     *
-     * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
-     *        A SourceObject, an array of SourceObjects, or a string referencing
-     *        a URL to a media source. It is _highly recommended_ that an object
-     *        or array of objects is used here, so that source selection
-     *        algorithms can take the `type` into account.
-     *
-     *        If not provided, this method acts as a getter.
-     *
-     * @return {string|undefined}
-     *         If the `source` argument is missing, returns the current source
-     *         URL. Otherwise, returns nothing/undefined.
-     */
-    src(source) {
-      return this.handleSrc_(source, false);
-    }
-
-    /**
-     * Set the source object on the tech, returns a boolean that indicates whether
-     * there is a tech that can play the source or not
-     *
-     * @param {Tech~SourceObject} source
-     *        The source object to set on the Tech
-     *
-     * @return {boolean}
-     *         - True if there is no Tech to playback this source
-     *         - False otherwise
-     *
-     * @private
-     */
-    src_(source) {
-      const sourceTech = this.selectSource([source]);
-      if (!sourceTech) {
-        return true;
-      }
-      if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
-        this.changingSrc_ = true;
-        // load this technology with the chosen source
-        this.loadTech_(sourceTech.tech, sourceTech.source);
-        this.tech_.ready(() => {
-          this.changingSrc_ = false;
-        });
-        return false;
-      }
-
-      // wait until the tech is ready to set the source
-      // and set it synchronously if possible (#2326)
-      this.ready(function () {
-        // The setSource tech method was added with source handlers
-        // so older techs won't support it
-        // We need to check the direct prototype for the case where subclasses
-        // of the tech do not support source handlers
-        if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
-          this.techCall_('setSource', source);
-        } else {
-          this.techCall_('src', source.src);
-        }
-        this.changingSrc_ = false;
-      }, true);
-      return false;
-    }
-
-    /**
-     * Begin loading the src data.
-     */
-    load() {
-      // Workaround to use the load method with the VHS.
-      // Does not cover the case when the load method is called directly from the mediaElement.
-      if (this.tech_ && this.tech_.vhs) {
-        this.src(this.currentSource());
-        return;
-      }
-      this.techCall_('load');
-    }
-
-    /**
-     * Reset the player. Loads the first tech in the techOrder,
-     * removes all the text tracks in the existing `tech`,
-     * and calls `reset` on the `tech`.
-     */
-    reset() {
-      if (this.paused()) {
-        this.doReset_();
-      } else {
-        const playPromise = this.play();
-        silencePromise(playPromise.then(() => this.doReset_()));
-      }
-    }
-    doReset_() {
-      if (this.tech_) {
-        this.tech_.clearTracks('text');
-      }
-      this.removeClass('vjs-playing');
-      this.addClass('vjs-paused');
-      this.resetCache_();
-      this.poster('');
-      this.loadTech_(this.options_.techOrder[0], null);
-      this.techCall_('reset');
-      this.resetControlBarUI_();
-      this.error(null);
-      if (this.titleBar) {
-        this.titleBar.update({
-          title: undefined,
-          description: undefined
-        });
-      }
-      if (isEvented(this)) {
-        this.trigger('playerreset');
-      }
-    }
-
-    /**
-     * Reset Control Bar's UI by calling sub-methods that reset
-     * all of Control Bar's components
-     */
-    resetControlBarUI_() {
-      this.resetProgressBar_();
-      this.resetPlaybackRate_();
-      this.resetVolumeBar_();
-    }
-
-    /**
-     * Reset tech's progress so progress bar is reset in the UI
-     */
-    resetProgressBar_() {
-      this.currentTime(0);
-      const {
-        currentTimeDisplay,
-        durationDisplay,
-        progressControl,
-        remainingTimeDisplay
-      } = this.controlBar || {};
-      const {
-        seekBar
-      } = progressControl || {};
-      if (currentTimeDisplay) {
-        currentTimeDisplay.updateContent();
-      }
-      if (durationDisplay) {
-        durationDisplay.updateContent();
-      }
-      if (remainingTimeDisplay) {
-        remainingTimeDisplay.updateContent();
-      }
-      if (seekBar) {
-        seekBar.update();
-        if (seekBar.loadProgressBar) {
-          seekBar.loadProgressBar.update();
-        }
-      }
-    }
-
-    /**
-     * Reset Playback ratio
-     */
-    resetPlaybackRate_() {
-      this.playbackRate(this.defaultPlaybackRate());
-      this.handleTechRateChange_();
-    }
-
-    /**
-     * Reset Volume bar
-     */
-    resetVolumeBar_() {
-      this.volume(1.0);
-      this.trigger('volumechange');
-    }
-
-    /**
-     * Returns all of the current source objects.
-     *
-     * @return {Tech~SourceObject[]}
-     *         The current source objects
-     */
-    currentSources() {
-      const source = this.currentSource();
-      const sources = [];
-
-      // assume `{}` or `{ src }`
-      if (Object.keys(source).length !== 0) {
-        sources.push(source);
-      }
-      return this.cache_.sources || sources;
-    }
-
-    /**
-     * Returns the current source object.
-     *
-     * @return {Tech~SourceObject}
-     *         The current source object
-     */
-    currentSource() {
-      return this.cache_.source || {};
-    }
-
-    /**
-     * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
-     * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.
-     *
-     * @return {string}
-     *         The current source
-     */
-    currentSrc() {
-      return this.currentSource() && this.currentSource().src || '';
-    }
-
-    /**
-     * Get the current source type e.g. video/mp4
-     * This can allow you rebuild the current source object so that you could load the same
-     * source and tech later
-     *
-     * @return {string}
-     *         The source MIME type
-     */
-    currentType() {
-      return this.currentSource() && this.currentSource().type || '';
-    }
-
-    /**
-     * Get or set the preload attribute
-     *
-     * @param {'none'|'auto'|'metadata'} [value]
-     *        Preload mode to pass to tech
-     *
-     * @return {string|undefined}
-     *         - The preload attribute value when getting
-     *         - Nothing when setting
-     */
-    preload(value) {
-      if (value !== undefined) {
-        this.techCall_('setPreload', value);
-        this.options_.preload = value;
-        return;
-      }
-      return this.techGet_('preload');
-    }
-
-    /**
-     * Get or set the autoplay option. When this is a boolean it will
-     * modify the attribute on the tech. When this is a string the attribute on
-     * the tech will be removed and `Player` will handle autoplay on loadstarts.
-     *
-     * @param {boolean|'play'|'muted'|'any'} [value]
-     *        - true: autoplay using the browser behavior
-     *        - false: do not autoplay
-     *        - 'play': call play() on every loadstart
-     *        - 'muted': call muted() then play() on every loadstart
-     *        - 'any': call play() on every loadstart. if that fails call muted() then play().
-     *        - *: values other than those listed here will be set `autoplay` to true
-     *
-     * @return {boolean|string|undefined}
-     *         - The current value of autoplay when getting
-     *         - Nothing when setting
-     */
-    autoplay(value) {
-      // getter usage
-      if (value === undefined) {
-        return this.options_.autoplay || false;
-      }
-      let techAutoplay;
-
-      // if the value is a valid string set it to that, or normalize `true` to 'play', if need be
-      if (typeof value === 'string' && /(any|play|muted)/.test(value) || value === true && this.options_.normalizeAutoplay) {
-        this.options_.autoplay = value;
-        this.manualAutoplay_(typeof value === 'string' ? value : 'play');
-        techAutoplay = false;
-
-        // any falsy value sets autoplay to false in the browser,
-        // lets do the same
-      } else if (!value) {
-        this.options_.autoplay = false;
-
-        // any other value (ie truthy) sets autoplay to true
-      } else {
-        this.options_.autoplay = true;
-      }
-      techAutoplay = typeof techAutoplay === 'undefined' ? this.options_.autoplay : techAutoplay;
-
-      // if we don't have a tech then we do not queue up
-      // a setAutoplay call on tech ready. We do this because the
-      // autoplay option will be passed in the constructor and we
-      // do not need to set it twice
-      if (this.tech_) {
-        this.techCall_('setAutoplay', techAutoplay);
-      }
-    }
-
-    /**
-     * Set or unset the playsinline attribute.
-     * Playsinline tells the browser that non-fullscreen playback is preferred.
-     *
-     * @param {boolean} [value]
-     *        - true means that we should try to play inline by default
-     *        - false means that we should use the browser's default playback mode,
-     *          which in most cases is inline. iOS Safari is a notable exception
-     *          and plays fullscreen by default.
-     *
-     * @return {string|undefined}
-     *         - the current value of playsinline
-     *         - Nothing when setting
-     *
-     * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
-     */
-    playsinline(value) {
-      if (value !== undefined) {
-        this.techCall_('setPlaysinline', value);
-        this.options_.playsinline = value;
-      }
-      return this.techGet_('playsinline');
-    }
-
-    /**
-     * Get or set the loop attribute on the video element.
-     *
-     * @param {boolean} [value]
-     *        - true means that we should loop the video
-     *        - false means that we should not loop the video
-     *
-     * @return {boolean|undefined}
-     *         - The current value of loop when getting
-     *         - Nothing when setting
-     */
-    loop(value) {
-      if (value !== undefined) {
-        this.techCall_('setLoop', value);
-        this.options_.loop = value;
-        return;
-      }
-      return this.techGet_('loop');
-    }
-
-    /**
-     * Get or set the poster image source url
-     *
-     * @fires Player#posterchange
-     *
-     * @param {string} [src]
-     *        Poster image source URL
-     *
-     * @return {string|undefined}
-     *         - The current value of poster when getting
-     *         - Nothing when setting
-     */
-    poster(src) {
-      if (src === undefined) {
-        return this.poster_;
-      }
-
-      // The correct way to remove a poster is to set as an empty string
-      // other falsey values will throw errors
-      if (!src) {
-        src = '';
-      }
-      if (src === this.poster_) {
-        return;
-      }
-
-      // update the internal poster variable
-      this.poster_ = src;
-
-      // update the tech's poster
-      this.techCall_('setPoster', src);
-      this.isPosterFromTech_ = false;
-
-      // alert components that the poster has been set
-      /**
-       * This event fires when the poster image is changed on the player.
-       *
-       * @event Player#posterchange
-       * @type {Event}
-       */
-      this.trigger('posterchange');
-    }
-
-    /**
-     * Some techs (e.g. YouTube) can provide a poster source in an
-     * asynchronous way. We want the poster component to use this
-     * poster source so that it covers up the tech's controls.
-     * (YouTube's play button). However we only want to use this
-     * source if the player user hasn't set a poster through
-     * the normal APIs.
-     *
-     * @fires Player#posterchange
-     * @listens Tech#posterchange
-     * @private
-     */
-    handleTechPosterChange_() {
-      if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {
-        const newPoster = this.tech_.poster() || '';
-        if (newPoster !== this.poster_) {
-          this.poster_ = newPoster;
-          this.isPosterFromTech_ = true;
-
-          // Let components know the poster has changed
-          this.trigger('posterchange');
-        }
-      }
-    }
-
-    /**
-     * Get or set whether or not the controls are showing.
-     *
-     * @fires Player#controlsenabled
-     *
-     * @param {boolean} [bool]
-     *        - true to turn controls on
-     *        - false to turn controls off
-     *
-     * @return {boolean|undefined}
-     *         - The current value of controls when getting
-     *         - Nothing when setting
-     */
-    controls(bool) {
-      if (bool === undefined) {
-        return !!this.controls_;
-      }
-      bool = !!bool;
-
-      // Don't trigger a change event unless it actually changed
-      if (this.controls_ === bool) {
-        return;
-      }
-      this.controls_ = bool;
-      if (this.usingNativeControls()) {
-        this.techCall_('setControls', bool);
-      }
-      if (this.controls_) {
-        this.removeClass('vjs-controls-disabled');
-        this.addClass('vjs-controls-enabled');
-        /**
-         * @event Player#controlsenabled
-         * @type {Event}
-         */
-        this.trigger('controlsenabled');
-        if (!this.usingNativeControls()) {
-          this.addTechControlsListeners_();
-        }
-      } else {
-        this.removeClass('vjs-controls-enabled');
-        this.addClass('vjs-controls-disabled');
-        /**
-         * @event Player#controlsdisabled
-         * @type {Event}
-         */
-        this.trigger('controlsdisabled');
-        if (!this.usingNativeControls()) {
-          this.removeTechControlsListeners_();
-        }
-      }
-    }
-
-    /**
-     * Toggle native controls on/off. Native controls are the controls built into
-     * devices (e.g. default iPhone controls) or other techs
-     * (e.g. Vimeo Controls)
-     * **This should only be set by the current tech, because only the tech knows
-     * if it can support native controls**
-     *
-     * @fires Player#usingnativecontrols
-     * @fires Player#usingcustomcontrols
-     *
-     * @param {boolean} [bool]
-     *        - true to turn native controls on
-     *        - false to turn native controls off
-     *
-     * @return {boolean|undefined}
-     *         - The current value of native controls when getting
-     *         - Nothing when setting
-     */
-    usingNativeControls(bool) {
-      if (bool === undefined) {
-        return !!this.usingNativeControls_;
-      }
-      bool = !!bool;
-
-      // Don't trigger a change event unless it actually changed
-      if (this.usingNativeControls_ === bool) {
-        return;
-      }
-      this.usingNativeControls_ = bool;
-      if (this.usingNativeControls_) {
-        this.addClass('vjs-using-native-controls');
-
-        /**
-         * player is using the native device controls
-         *
-         * @event Player#usingnativecontrols
-         * @type {Event}
-         */
-        this.trigger('usingnativecontrols');
-      } else {
-        this.removeClass('vjs-using-native-controls');
-
-        /**
-         * player is using the custom HTML controls
-         *
-         * @event Player#usingcustomcontrols
-         * @type {Event}
-         */
-        this.trigger('usingcustomcontrols');
-      }
-    }
-
-    /**
-     * Set or get the current MediaError
-     *
-     * @fires Player#error
-     *
-     * @param  {MediaError|string|number} [err]
-     *         A MediaError or a string/number to be turned
-     *         into a MediaError
-     *
-     * @return {MediaError|null|undefined}
-     *         - The current MediaError when getting (or null)
-     *         - Nothing when setting
-     */
-    error(err) {
-      if (err === undefined) {
-        return this.error_ || null;
-      }
-
-      // allow hooks to modify error object
-      hooks('beforeerror').forEach(hookFunction => {
-        const newErr = hookFunction(this, err);
-        if (!(isObject(newErr) && !Array.isArray(newErr) || typeof newErr === 'string' || typeof newErr === 'number' || newErr === null)) {
-          this.log.error('please return a value that MediaError expects in beforeerror hooks');
-          return;
-        }
-        err = newErr;
-      });
-
-      // Suppress the first error message for no compatible source until
-      // user interaction
-      if (this.options_.suppressNotSupportedError && err && err.code === 4) {
-        const triggerSuppressedError = function () {
-          this.error(err);
-        };
-        this.options_.suppressNotSupportedError = false;
-        this.any(['click', 'touchstart'], triggerSuppressedError);
-        this.one('loadstart', function () {
-          this.off(['click', 'touchstart'], triggerSuppressedError);
-        });
-        return;
-      }
-
-      // restoring to default
-      if (err === null) {
-        this.error_ = null;
-        this.removeClass('vjs-error');
-        if (this.errorDisplay) {
-          this.errorDisplay.close();
-        }
-        return;
-      }
-      this.error_ = new MediaError(err);
-
-      // add the vjs-error classname to the player
-      this.addClass('vjs-error');
-
-      // log the name of the error type and any message
-      // IE11 logs "[object object]" and required you to expand message to see error object
-      log.error(`(CODE:${this.error_.code} ${MediaError.errorTypes[this.error_.code]})`, this.error_.message, this.error_);
-
-      /**
-       * @event Player#error
-       * @type {Event}
-       */
-      this.trigger('error');
-
-      // notify hooks of the per player error
-      hooks('error').forEach(hookFunction => hookFunction(this, this.error_));
-      return;
-    }
-
-    /**
-     * Report user activity
-     *
-     * @param {Object} event
-     *        Event object
-     */
-    reportUserActivity(event) {
-      this.userActivity_ = true;
-    }
-
-    /**
-     * Get/set if user is active
-     *
-     * @fires Player#useractive
-     * @fires Player#userinactive
-     *
-     * @param {boolean} [bool]
-     *        - true if the user is active
-     *        - false if the user is inactive
-     *
-     * @return {boolean|undefined}
-     *         - The current value of userActive when getting
-     *         - Nothing when setting
-     */
-    userActive(bool) {
-      if (bool === undefined) {
-        return this.userActive_;
-      }
-      bool = !!bool;
-      if (bool === this.userActive_) {
-        return;
-      }
-      this.userActive_ = bool;
-      if (this.userActive_) {
-        this.userActivity_ = true;
-        this.removeClass('vjs-user-inactive');
-        this.addClass('vjs-user-active');
-        /**
-         * @event Player#useractive
-         * @type {Event}
-         */
-        this.trigger('useractive');
-        return;
-      }
-
-      // Chrome/Safari/IE have bugs where when you change the cursor it can
-      // trigger a mousemove event. This causes an issue when you're hiding
-      // the cursor when the user is inactive, and a mousemove signals user
-      // activity. Making it impossible to go into inactive mode. Specifically
-      // this happens in fullscreen when we really need to hide the cursor.
-      //
-      // When this gets resolved in ALL browsers it can be removed
-      // https://code.google.com/p/chromium/issues/detail?id=103041
-      if (this.tech_) {
-        this.tech_.one('mousemove', function (e) {
-          e.stopPropagation();
-          e.preventDefault();
-        });
-      }
-      this.userActivity_ = false;
-      this.removeClass('vjs-user-active');
-      this.addClass('vjs-user-inactive');
-      /**
-       * @event Player#userinactive
-       * @type {Event}
-       */
-      this.trigger('userinactive');
-    }
-
-    /**
-     * Listen for user activity based on timeout value
-     *
-     * @private
-     */
-    listenForUserActivity_() {
-      let mouseInProgress;
-      let lastMoveX;
-      let lastMoveY;
-      const handleActivity = bind_(this, this.reportUserActivity);
-      const handleMouseMove = function (e) {
-        // #1068 - Prevent mousemove spamming
-        // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
-        if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
-          lastMoveX = e.screenX;
-          lastMoveY = e.screenY;
-          handleActivity();
-        }
-      };
-      const handleMouseDown = function () {
-        handleActivity();
-        // For as long as the they are touching the device or have their mouse down,
-        // we consider them active even if they're not moving their finger or mouse.
-        // So we want to continue to update that they are active
-        this.clearInterval(mouseInProgress);
-        // Setting userActivity=true now and setting the interval to the same time
-        // as the activityCheck interval (250) should ensure we never miss the
-        // next activityCheck
-        mouseInProgress = this.setInterval(handleActivity, 250);
-      };
-      const handleMouseUpAndMouseLeave = function (event) {
-        handleActivity();
-        // Stop the interval that maintains activity if the mouse/touch is down
-        this.clearInterval(mouseInProgress);
-      };
-
-      // Any mouse movement will be considered user activity
-      this.on('mousedown', handleMouseDown);
-      this.on('mousemove', handleMouseMove);
-      this.on('mouseup', handleMouseUpAndMouseLeave);
-      this.on('mouseleave', handleMouseUpAndMouseLeave);
-      const controlBar = this.getChild('controlBar');
-
-      // Fixes bug on Android & iOS where when tapping progressBar (when control bar is displayed)
-      // controlBar would no longer be hidden by default timeout.
-      if (controlBar && !IS_IOS && !IS_ANDROID) {
-        controlBar.on('mouseenter', function (event) {
-          if (this.player().options_.inactivityTimeout !== 0) {
-            this.player().cache_.inactivityTimeout = this.player().options_.inactivityTimeout;
-          }
-          this.player().options_.inactivityTimeout = 0;
-        });
-        controlBar.on('mouseleave', function (event) {
-          this.player().options_.inactivityTimeout = this.player().cache_.inactivityTimeout;
-        });
-      }
-
-      // Listen for keyboard navigation
-      // Shouldn't need to use inProgress interval because of key repeat
-      this.on('keydown', handleActivity);
-      this.on('keyup', handleActivity);
-
-      // Run an interval every 250 milliseconds instead of stuffing everything into
-      // the mousemove/touchmove function itself, to prevent performance degradation.
-      // `this.reportUserActivity` simply sets this.userActivity_ to true, which
-      // then gets picked up by this loop
-      // http://ejohn.org/blog/learning-from-twitter/
-      let inactivityTimeout;
-
-      /** @this Player */
-      const activityCheck = function () {
-        // Check to see if mouse/touch activity has happened
-        if (!this.userActivity_) {
-          return;
-        }
-
-        // Reset the activity tracker
-        this.userActivity_ = false;
-
-        // If the user state was inactive, set the state to active
-        this.userActive(true);
-
-        // Clear any existing inactivity timeout to start the timer over
-        this.clearTimeout(inactivityTimeout);
-        const timeout = this.options_.inactivityTimeout;
-        if (timeout <= 0) {
-          return;
-        }
-
-        // In <timeout> milliseconds, if no more activity has occurred the
-        // user will be considered inactive
-        inactivityTimeout = this.setTimeout(function () {
-          // Protect against the case where the inactivityTimeout can trigger just
-          // before the next user activity is picked up by the activity check loop
-          // causing a flicker
-          if (!this.userActivity_) {
-            this.userActive(false);
-          }
-        }, timeout);
-      };
-      this.setInterval(activityCheck, 250);
-    }
-
-    /**
-     * Gets or sets the current playback rate. A playback rate of
-     * 1.0 represents normal speed and 0.5 would indicate half-speed
-     * playback, for instance.
-     *
-     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
-     *
-     * @param {number} [rate]
-     *       New playback rate to set.
-     *
-     * @return {number|undefined}
-     *         - The current playback rate when getting or 1.0
-     *         - Nothing when setting
-     */
-    playbackRate(rate) {
-      if (rate !== undefined) {
-        // NOTE: this.cache_.lastPlaybackRate is set from the tech handler
-        // that is registered above
-        this.techCall_('setPlaybackRate', rate);
-        return;
-      }
-      if (this.tech_ && this.tech_.featuresPlaybackRate) {
-        return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');
-      }
-      return 1.0;
-    }
-
-    /**
-     * Gets or sets the current default playback rate. A default playback rate of
-     * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
-     * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not
-     * not the current playbackRate.
-     *
-     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
-     *
-     * @param {number} [rate]
-     *       New default playback rate to set.
-     *
-     * @return {number|undefined}
-     *         - The default playback rate when getting or 1.0
-     *         - Nothing when setting
-     */
-    defaultPlaybackRate(rate) {
-      if (rate !== undefined) {
-        return this.techCall_('setDefaultPlaybackRate', rate);
-      }
-      if (this.tech_ && this.tech_.featuresPlaybackRate) {
-        return this.techGet_('defaultPlaybackRate');
-      }
-      return 1.0;
-    }
-
-    /**
-     * Gets or sets the audio flag
-     *
-     * @param {boolean} [bool]
-     *        - true signals that this is an audio player
-     *        - false signals that this is not an audio player
-     *
-     * @return {boolean|undefined}
-     *         - The current value of isAudio when getting
-     *         - Nothing when setting
-     */
-    isAudio(bool) {
-      if (bool !== undefined) {
-        this.isAudio_ = !!bool;
-        return;
-      }
-      return !!this.isAudio_;
-    }
-    enableAudioOnlyUI_() {
-      // Update styling immediately to show the control bar so we can get its height
-      this.addClass('vjs-audio-only-mode');
-      const playerChildren = this.children();
-      const controlBar = this.getChild('ControlBar');
-      const controlBarHeight = controlBar && controlBar.currentHeight();
-
-      // Hide all player components except the control bar. Control bar components
-      // needed only for video are hidden with CSS
-      playerChildren.forEach(child => {
-        if (child === controlBar) {
-          return;
-        }
-        if (child.el_ && !child.hasClass('vjs-hidden')) {
-          child.hide();
-          this.audioOnlyCache_.hiddenChildren.push(child);
-        }
-      });
-      this.audioOnlyCache_.playerHeight = this.currentHeight();
-
-      // Set the player height the same as the control bar
-      this.height(controlBarHeight);
-      this.trigger('audioonlymodechange');
-    }
-    disableAudioOnlyUI_() {
-      this.removeClass('vjs-audio-only-mode');
-
-      // Show player components that were previously hidden
-      this.audioOnlyCache_.hiddenChildren.forEach(child => child.show());
-
-      // Reset player height
-      this.height(this.audioOnlyCache_.playerHeight);
-      this.trigger('audioonlymodechange');
-    }
-
-    /**
-     * Get the current audioOnlyMode state or set audioOnlyMode to true or false.
-     *
-     * Setting this to `true` will hide all player components except the control bar,
-     * as well as control bar components needed only for video.
-     *
-     * @param {boolean} [value]
-     *         The value to set audioOnlyMode to.
-     *
-     * @return {Promise|boolean}
-     *        A Promise is returned when setting the state, and a boolean when getting
-     *        the present state
-     */
-    audioOnlyMode(value) {
-      if (typeof value !== 'boolean' || value === this.audioOnlyMode_) {
-        return this.audioOnlyMode_;
-      }
-      this.audioOnlyMode_ = value;
-
-      // Enable Audio Only Mode
-      if (value) {
-        const exitPromises = [];
-
-        // Fullscreen and PiP are not supported in audioOnlyMode, so exit if we need to.
-        if (this.isInPictureInPicture()) {
-          exitPromises.push(this.exitPictureInPicture());
-        }
-        if (this.isFullscreen()) {
-          exitPromises.push(this.exitFullscreen());
-        }
-        if (this.audioPosterMode()) {
-          exitPromises.push(this.audioPosterMode(false));
-        }
-        return Promise.all(exitPromises).then(() => this.enableAudioOnlyUI_());
-      }
-
-      // Disable Audio Only Mode
-      return Promise.resolve().then(() => this.disableAudioOnlyUI_());
-    }
-    enablePosterModeUI_() {
-      // Hide the video element and show the poster image to enable posterModeUI
-      const tech = this.tech_ && this.tech_;
-      tech.hide();
-      this.addClass('vjs-audio-poster-mode');
-      this.trigger('audiopostermodechange');
-    }
-    disablePosterModeUI_() {
-      // Show the video element and hide the poster image to disable posterModeUI
-      const tech = this.tech_ && this.tech_;
-      tech.show();
-      this.removeClass('vjs-audio-poster-mode');
-      this.trigger('audiopostermodechange');
-    }
-
-    /**
-     * Get the current audioPosterMode state or set audioPosterMode to true or false
-     *
-     * @param {boolean} [value]
-     *         The value to set audioPosterMode to.
-     *
-     * @return {Promise|boolean}
-     *         A Promise is returned when setting the state, and a boolean when getting
-     *        the present state
-     */
-    audioPosterMode(value) {
-      if (typeof value !== 'boolean' || value === this.audioPosterMode_) {
-        return this.audioPosterMode_;
-      }
-      this.audioPosterMode_ = value;
-      if (value) {
-        if (this.audioOnlyMode()) {
-          const audioOnlyModePromise = this.audioOnlyMode(false);
-          return audioOnlyModePromise.then(() => {
-            // enable audio poster mode after audio only mode is disabled
-            this.enablePosterModeUI_();
-          });
-        }
-        return Promise.resolve().then(() => {
-          // enable audio poster mode
-          this.enablePosterModeUI_();
-        });
-      }
-      return Promise.resolve().then(() => {
-        // disable audio poster mode
-        this.disablePosterModeUI_();
-      });
-    }
-
-    /**
-     * A helper method for adding a {@link TextTrack} to our
-     * {@link TextTrackList}.
-     *
-     * In addition to the W3C settings we allow adding additional info through options.
-     *
-     * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
-     *
-     * @param {string} [kind]
-     *        the kind of TextTrack you are adding
-     *
-     * @param {string} [label]
-     *        the label to give the TextTrack label
-     *
-     * @param {string} [language]
-     *        the language to set on the TextTrack
-     *
-     * @return {TextTrack|undefined}
-     *         the TextTrack that was added or undefined
-     *         if there is no tech
-     */
-    addTextTrack(kind, label, language) {
-      if (this.tech_) {
-        return this.tech_.addTextTrack(kind, label, language);
-      }
-    }
-
-    /**
-     * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}.
-     *
-     * @param {Object} options
-     *        Options to pass to {@link HTMLTrackElement} during creation. See
-     *        {@link HTMLTrackElement} for object properties that you should use.
-     *
-     * @param {boolean} [manualCleanup=false] if set to true, the TextTrack will not be removed
-     *                                        from the TextTrackList and HtmlTrackElementList
-     *                                        after a source change
-     *
-     * @return { import('./tracks/html-track-element').default }
-     *         the HTMLTrackElement that was created and added
-     *         to the HtmlTrackElementList and the remote
-     *         TextTrackList
-     *
-     */
-    addRemoteTextTrack(options, manualCleanup) {
-      if (this.tech_) {
-        return this.tech_.addRemoteTextTrack(options, manualCleanup);
-      }
-    }
-
-    /**
-     * Remove a remote {@link TextTrack} from the respective
-     * {@link TextTrackList} and {@link HtmlTrackElementList}.
-     *
-     * @param {Object} track
-     *        Remote {@link TextTrack} to remove
-     *
-     * @return {undefined}
-     *         does not return anything
-     */
-    removeRemoteTextTrack(obj = {}) {
-      let {
-        track
-      } = obj;
-      if (!track) {
-        track = obj;
-      }
-
-      // destructure the input into an object with a track argument, defaulting to arguments[0]
-      // default the whole argument to an empty object if nothing was passed in
-
-      if (this.tech_) {
-        return this.tech_.removeRemoteTextTrack(track);
-      }
-    }
-
-    /**
-     * Gets available media playback quality metrics as specified by the W3C's Media
-     * Playback Quality API.
-     *
-     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
-     *
-     * @return {Object|undefined}
-     *         An object with supported media playback quality metrics or undefined if there
-     *         is no tech or the tech does not support it.
-     */
-    getVideoPlaybackQuality() {
-      return this.techGet_('getVideoPlaybackQuality');
-    }
-
-    /**
-     * Get video width
-     *
-     * @return {number}
-     *         current video width
-     */
-    videoWidth() {
-      return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
-    }
-
-    /**
-     * Get video height
-     *
-     * @return {number}
-     *         current video height
-     */
-    videoHeight() {
-      return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
-    }
-
-    /**
-     * Set or get the player's language code.
-     *
-     * Changing the language will trigger
-     * [languagechange]{@link Player#event:languagechange}
-     * which Components can use to update control text.
-     * ClickableComponent will update its control text by default on
-     * [languagechange]{@link Player#event:languagechange}.
-     *
-     * @fires Player#languagechange
-     *
-     * @param {string} [code]
-     *        the language code to set the player to
-     *
-     * @return {string|undefined}
-     *         - The current language code when getting
-     *         - Nothing when setting
-     */
-    language(code) {
-      if (code === undefined) {
-        return this.language_;
-      }
-      if (this.language_ !== String(code).toLowerCase()) {
-        this.language_ = String(code).toLowerCase();
-
-        // during first init, it's possible some things won't be evented
-        if (isEvented(this)) {
-          /**
-          * fires when the player language change
-          *
-          * @event Player#languagechange
-          * @type {Event}
-          */
-          this.trigger('languagechange');
-        }
-      }
-    }
-
-    /**
-     * Get the player's language dictionary
-     * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
-     * Languages specified directly in the player options have precedence
-     *
-     * @return {Array}
-     *         An array of of supported languages
-     */
-    languages() {
-      return merge(Player.prototype.options_.languages, this.languages_);
-    }
-
-    /**
-     * returns a JavaScript object representing the current track
-     * information. **DOES not return it as JSON**
-     *
-     * @return {Object}
-     *         Object representing the current of track info
-     */
-    toJSON() {
-      const options = merge(this.options_);
-      const tracks = options.tracks;
-      options.tracks = [];
-      for (let i = 0; i < tracks.length; i++) {
-        let track = tracks[i];
-
-        // deep merge tracks and null out player so no circular references
-        track = merge(track);
-        track.player = undefined;
-        options.tracks[i] = track;
-      }
-      return options;
-    }
-
-    /**
-     * Creates a simple modal dialog (an instance of the {@link ModalDialog}
-     * component) that immediately overlays the player with arbitrary
-     * content and removes itself when closed.
-     *
-     * @param {string|Function|Element|Array|null} content
-     *        Same as {@link ModalDialog#content}'s param of the same name.
-     *        The most straight-forward usage is to provide a string or DOM
-     *        element.
-     *
-     * @param {Object} [options]
-     *        Extra options which will be passed on to the {@link ModalDialog}.
-     *
-     * @return {ModalDialog}
-     *         the {@link ModalDialog} that was created
-     */
-    createModal(content, options) {
-      options = options || {};
-      options.content = content || '';
-      const modal = new ModalDialog(this, options);
-      this.addChild(modal);
-      modal.on('dispose', () => {
-        this.removeChild(modal);
-      });
-      modal.open();
-      return modal;
-    }
-
-    /**
-     * Change breakpoint classes when the player resizes.
-     *
-     * @private
-     */
-    updateCurrentBreakpoint_() {
-      if (!this.responsive()) {
-        return;
-      }
-      const currentBreakpoint = this.currentBreakpoint();
-      const currentWidth = this.currentWidth();
-      for (let i = 0; i < BREAKPOINT_ORDER.length; i++) {
-        const candidateBreakpoint = BREAKPOINT_ORDER[i];
-        const maxWidth = this.breakpoints_[candidateBreakpoint];
-        if (currentWidth <= maxWidth) {
-          // The current breakpoint did not change, nothing to do.
-          if (currentBreakpoint === candidateBreakpoint) {
-            return;
-          }
-
-          // Only remove a class if there is a current breakpoint.
-          if (currentBreakpoint) {
-            this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);
-          }
-          this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);
-          this.breakpoint_ = candidateBreakpoint;
-          break;
-        }
-      }
-    }
-
-    /**
-     * Removes the current breakpoint.
-     *
-     * @private
-     */
-    removeCurrentBreakpoint_() {
-      const className = this.currentBreakpointClass();
-      this.breakpoint_ = '';
-      if (className) {
-        this.removeClass(className);
-      }
-    }
-
-    /**
-     * Get or set breakpoints on the player.
-     *
-     * Calling this method with an object or `true` will remove any previous
-     * custom breakpoints and start from the defaults again.
-     *
-     * @param  {Object|boolean} [breakpoints]
-     *         If an object is given, it can be used to provide custom
-     *         breakpoints. If `true` is given, will set default breakpoints.
-     *         If this argument is not given, will simply return the current
-     *         breakpoints.
-     *
-     * @param  {number} [breakpoints.tiny]
-     *         The maximum width for the "vjs-layout-tiny" class.
-     *
-     * @param  {number} [breakpoints.xsmall]
-     *         The maximum width for the "vjs-layout-x-small" class.
-     *
-     * @param  {number} [breakpoints.small]
-     *         The maximum width for the "vjs-layout-small" class.
-     *
-     * @param  {number} [breakpoints.medium]
-     *         The maximum width for the "vjs-layout-medium" class.
-     *
-     * @param  {number} [breakpoints.large]
-     *         The maximum width for the "vjs-layout-large" class.
-     *
-     * @param  {number} [breakpoints.xlarge]
-     *         The maximum width for the "vjs-layout-x-large" class.
-     *
-     * @param  {number} [breakpoints.huge]
-     *         The maximum width for the "vjs-layout-huge" class.
-     *
-     * @return {Object}
-     *         An object mapping breakpoint names to maximum width values.
-     */
-    breakpoints(breakpoints) {
-      // Used as a getter.
-      if (breakpoints === undefined) {
-        return Object.assign(this.breakpoints_);
-      }
-      this.breakpoint_ = '';
-      this.breakpoints_ = Object.assign({}, DEFAULT_BREAKPOINTS, breakpoints);
-
-      // When breakpoint definitions change, we need to update the currently
-      // selected breakpoint.
-      this.updateCurrentBreakpoint_();
-
-      // Clone the breakpoints before returning.
-      return Object.assign(this.breakpoints_);
-    }
-
-    /**
-     * Get or set a flag indicating whether or not this player should adjust
-     * its UI based on its dimensions.
-     *
-     * @param  {boolean} [value]
-     *         Should be `true` if the player should adjust its UI based on its
-     *         dimensions; otherwise, should be `false`.
-     *
-     * @return {boolean|undefined}
-     *         Will be `true` if this player should adjust its UI based on its
-     *         dimensions; otherwise, will be `false`.
-     *         Nothing if setting
-     */
-    responsive(value) {
-      // Used as a getter.
-      if (value === undefined) {
-        return this.responsive_;
-      }
-      value = Boolean(value);
-      const current = this.responsive_;
-
-      // Nothing changed.
-      if (value === current) {
-        return;
-      }
-
-      // The value actually changed, set it.
-      this.responsive_ = value;
-
-      // Start listening for breakpoints and set the initial breakpoint if the
-      // player is now responsive.
-      if (value) {
-        this.on('playerresize', this.boundUpdateCurrentBreakpoint_);
-        this.updateCurrentBreakpoint_();
-
-        // Stop listening for breakpoints if the player is no longer responsive.
-      } else {
-        this.off('playerresize', this.boundUpdateCurrentBreakpoint_);
-        this.removeCurrentBreakpoint_();
-      }
-      return value;
-    }
-
-    /**
-     * Get current breakpoint name, if any.
-     *
-     * @return {string}
-     *         If there is currently a breakpoint set, returns a the key from the
-     *         breakpoints object matching it. Otherwise, returns an empty string.
-     */
-    currentBreakpoint() {
-      return this.breakpoint_;
-    }
-
-    /**
-     * Get the current breakpoint class name.
-     *
-     * @return {string}
-     *         The matching class name (e.g. `"vjs-layout-tiny"` or
-     *         `"vjs-layout-large"`) for the current breakpoint. Empty string if
-     *         there is no current breakpoint.
-     */
-    currentBreakpointClass() {
-      return BREAKPOINT_CLASSES[this.breakpoint_] || '';
-    }
-
-    /**
-     * An object that describes a single piece of media.
-     *
-     * Properties that are not part of this type description will be retained; so,
-     * this can be viewed as a generic metadata storage mechanism as well.
-     *
-     * @see      {@link https://wicg.github.io/mediasession/#the-mediametadata-interface}
-     * @typedef  {Object} Player~MediaObject
-     *
-     * @property {string} [album]
-     *           Unused, except if this object is passed to the `MediaSession`
-     *           API.
-     *
-     * @property {string} [artist]
-     *           Unused, except if this object is passed to the `MediaSession`
-     *           API.
-     *
-     * @property {Object[]} [artwork]
-     *           Unused, except if this object is passed to the `MediaSession`
-     *           API. If not specified, will be populated via the `poster`, if
-     *           available.
-     *
-     * @property {string} [poster]
-     *           URL to an image that will display before playback.
-     *
-     * @property {Tech~SourceObject|Tech~SourceObject[]|string} [src]
-     *           A single source object, an array of source objects, or a string
-     *           referencing a URL to a media source. It is _highly recommended_
-     *           that an object or array of objects is used here, so that source
-     *           selection algorithms can take the `type` into account.
-     *
-     * @property {string} [title]
-     *           Unused, except if this object is passed to the `MediaSession`
-     *           API.
-     *
-     * @property {Object[]} [textTracks]
-     *           An array of objects to be used to create text tracks, following
-     *           the {@link https://www.w3.org/TR/html50/embedded-content-0.html#the-track-element|native track element format}.
-     *           For ease of removal, these will be created as "remote" text
-     *           tracks and set to automatically clean up on source changes.
-     *
-     *           These objects may have properties like `src`, `kind`, `label`,
-     *           and `language`, see {@link Tech#createRemoteTextTrack}.
-     */
-
-    /**
-     * Populate the player using a {@link Player~MediaObject|MediaObject}.
-     *
-     * @param  {Player~MediaObject} media
-     *         A media object.
-     *
-     * @param  {Function} ready
-     *         A callback to be called when the player is ready.
-     */
-    loadMedia(media, ready) {
-      if (!media || typeof media !== 'object') {
-        return;
-      }
-      const crossOrigin = this.crossOrigin();
-      this.reset();
-
-      // Clone the media object so it cannot be mutated from outside.
-      this.cache_.media = merge(media);
-      const {
-        artist,
-        artwork,
-        description,
-        poster,
-        src,
-        textTracks,
-        title
-      } = this.cache_.media;
-
-      // If `artwork` is not given, create it using `poster`.
-      if (!artwork && poster) {
-        this.cache_.media.artwork = [{
-          src: poster,
-          type: getMimetype(poster)
-        }];
-      }
-      if (crossOrigin) {
-        this.crossOrigin(crossOrigin);
-      }
-      if (src) {
-        this.src(src);
-      }
-      if (poster) {
-        this.poster(poster);
-      }
-      if (Array.isArray(textTracks)) {
-        textTracks.forEach(tt => this.addRemoteTextTrack(tt, false));
-      }
-      if (this.titleBar) {
-        this.titleBar.update({
-          title,
-          description: description || artist || ''
-        });
-      }
-      this.ready(ready);
-    }
-
-    /**
-     * Get a clone of the current {@link Player~MediaObject} for this player.
-     *
-     * If the `loadMedia` method has not been used, will attempt to return a
-     * {@link Player~MediaObject} based on the current state of the player.
-     *
-     * @return {Player~MediaObject}
-     */
-    getMedia() {
-      if (!this.cache_.media) {
-        const poster = this.poster();
-        const src = this.currentSources();
-        const textTracks = Array.prototype.map.call(this.remoteTextTracks(), tt => ({
-          kind: tt.kind,
-          label: tt.label,
-          language: tt.language,
-          src: tt.src
-        }));
-        const media = {
-          src,
-          textTracks
-        };
-        if (poster) {
-          media.poster = poster;
-          media.artwork = [{
-            src: media.poster,
-            type: getMimetype(media.poster)
-          }];
-        }
-        return media;
-      }
-      return merge(this.cache_.media);
-    }
-
-    /**
-     * Gets tag settings
-     *
-     * @param {Element} tag
-     *        The player tag
-     *
-     * @return {Object}
-     *         An object containing all of the settings
-     *         for a player tag
-     */
-    static getTagSettings(tag) {
-      const baseOptions = {
-        sources: [],
-        tracks: []
-      };
-      const tagOptions = getAttributes(tag);
-      const dataSetup = tagOptions['data-setup'];
-      if (hasClass(tag, 'vjs-fill')) {
-        tagOptions.fill = true;
-      }
-      if (hasClass(tag, 'vjs-fluid')) {
-        tagOptions.fluid = true;
-      }
-
-      // Check if data-setup attr exists.
-      if (dataSetup !== null) {
-        // Parse options JSON
-        // If empty string, make it a parsable json object.
-        const [err, data] = tuple(dataSetup || '{}');
-        if (err) {
-          log.error(err);
-        }
-        Object.assign(tagOptions, data);
-      }
-      Object.assign(baseOptions, tagOptions);
-
-      // Get tag children settings
-      if (tag.hasChildNodes()) {
-        const children = tag.childNodes;
-        for (let i = 0, j = children.length; i < j; i++) {
-          const child = children[i];
-          // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
-          const childName = child.nodeName.toLowerCase();
-          if (childName === 'source') {
-            baseOptions.sources.push(getAttributes(child));
-          } else if (childName === 'track') {
-            baseOptions.tracks.push(getAttributes(child));
-          }
-        }
-      }
-      return baseOptions;
-    }
-
-    /**
-     * Set debug mode to enable/disable logs at info level.
-     *
-     * @param {boolean} enabled
-     * @fires Player#debugon
-     * @fires Player#debugoff
-     * @return {boolean|undefined}
-     */
-    debug(enabled) {
-      if (enabled === undefined) {
-        return this.debugEnabled_;
-      }
-      if (enabled) {
-        this.trigger('debugon');
-        this.previousLogLevel_ = this.log.level;
-        this.log.level('debug');
-        this.debugEnabled_ = true;
-      } else {
-        this.trigger('debugoff');
-        this.log.level(this.previousLogLevel_);
-        this.previousLogLevel_ = undefined;
-        this.debugEnabled_ = false;
-      }
-    }
-
-    /**
-     * Set or get current playback rates.
-     * Takes an array and updates the playback rates menu with the new items.
-     * Pass in an empty array to hide the menu.
-     * Values other than arrays are ignored.
-     *
-     * @fires Player#playbackrateschange
-     * @param {number[]} [newRates]
-     *                   The new rates that the playback rates menu should update to.
-     *                   An empty array will hide the menu
-     * @return {number[]} When used as a getter will return the current playback rates
-     */
-    playbackRates(newRates) {
-      if (newRates === undefined) {
-        return this.cache_.playbackRates;
-      }
-
-      // ignore any value that isn't an array
-      if (!Array.isArray(newRates)) {
-        return;
-      }
-
-      // ignore any arrays that don't only contain numbers
-      if (!newRates.every(rate => typeof rate === 'number')) {
-        return;
-      }
-      this.cache_.playbackRates = newRates;
-
-      /**
-      * fires when the playback rates in a player are changed
-      *
-      * @event Player#playbackrateschange
-      * @type {Event}
-      */
-      this.trigger('playbackrateschange');
-    }
-  }
-
-  /**
-   * Get the {@link VideoTrackList}
-   *
-   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
-   *
-   * @return {VideoTrackList}
-   *         the current video track list
-   *
-   * @method Player.prototype.videoTracks
-   */
-
-  /**
-   * Get the {@link AudioTrackList}
-   *
-   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
-   *
-   * @return {AudioTrackList}
-   *         the current audio track list
-   *
-   * @method Player.prototype.audioTracks
-   */
-
-  /**
-   * Get the {@link TextTrackList}
-   *
-   * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
-   *
-   * @return {TextTrackList}
-   *         the current text track list
-   *
-   * @method Player.prototype.textTracks
-   */
-
-  /**
-   * Get the remote {@link TextTrackList}
-   *
-   * @return {TextTrackList}
-   *         The current remote text track list
-   *
-   * @method Player.prototype.remoteTextTracks
-   */
-
-  /**
-   * Get the remote {@link HtmlTrackElementList} tracks.
-   *
-   * @return {HtmlTrackElementList}
-   *         The current remote text track element list
-   *
-   * @method Player.prototype.remoteTextTrackEls
-   */
-
-  ALL.names.forEach(function (name) {
-    const props = ALL[name];
-    Player.prototype[props.getterName] = function () {
-      if (this.tech_) {
-        return this.tech_[props.getterName]();
-      }
-
-      // if we have not yet loadTech_, we create {video,audio,text}Tracks_
-      // these will be passed to the tech during loading
-      this[props.privateName] = this[props.privateName] || new props.ListClass();
-      return this[props.privateName];
-    };
-  });
-
-  /**
-   * Get or set the `Player`'s crossorigin option. For the HTML5 player, this
-   * sets the `crossOrigin` property on the `<video>` tag to control the CORS
-   * behavior.
-   *
-   * @see [Video Element Attributes]{@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/video#attr-crossorigin}
-   *
-   * @param {string} [value]
-   *        The value to set the `Player`'s crossorigin to. If an argument is
-   *        given, must be one of `anonymous` or `use-credentials`.
-   *
-   * @return {string|undefined}
-   *         - The current crossorigin value of the `Player` when getting.
-   *         - undefined when setting
-   */
-  Player.prototype.crossorigin = Player.prototype.crossOrigin;
-
-  /**
-   * Global enumeration of players.
-   *
-   * The keys are the player IDs and the values are either the {@link Player}
-   * instance or `null` for disposed players.
-   *
-   * @type {Object}
-   */
-  Player.players = {};
-  const navigator = window.navigator;
-
-  /*
-   * Player instance options, surfaced using options
-   * options = Player.prototype.options_
-   * Make changes in options, not here.
-   *
-   * @type {Object}
-   * @private
-   */
-  Player.prototype.options_ = {
-    // Default order of fallback technology
-    techOrder: Tech.defaultTechOrder_,
-    html5: {},
-    // enable sourceset by default
-    enableSourceset: true,
-    // default inactivity timeout
-    inactivityTimeout: 2000,
-    // default playback rates
-    playbackRates: [],
-    // Add playback rate selection by adding rates
-    // 'playbackRates': [0.5, 1, 1.5, 2],
-    liveui: false,
-    // Included control sets
-    children: ['mediaLoader', 'posterImage', 'titleBar', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'liveTracker', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],
-    language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',
-    // locales and their language translations
-    languages: {},
-    // Default message to show when a video cannot be played.
-    notSupportedMessage: 'No compatible source was found for this media.',
-    normalizeAutoplay: false,
-    fullscreen: {
-      options: {
-        navigationUI: 'hide'
-      }
-    },
-    breakpoints: {},
-    responsive: false,
-    audioOnlyMode: false,
-    audioPosterMode: false,
-    // Default smooth seeking to false
-    enableSmoothSeeking: false
-  };
-  TECH_EVENTS_RETRIGGER.forEach(function (event) {
-    Player.prototype[`handleTech${toTitleCase(event)}_`] = function () {
-      return this.trigger(event);
-    };
-  });
-
-  /**
-   * Fired when the player has initial duration and dimension information
-   *
-   * @event Player#loadedmetadata
-   * @type {Event}
-   */
-
-  /**
-   * Fired when the player has downloaded data at the current playback position
-   *
-   * @event Player#loadeddata
-   * @type {Event}
-   */
-
-  /**
-   * Fired when the current playback position has changed *
-   * During playback this is fired every 15-250 milliseconds, depending on the
-   * playback technology in use.
-   *
-   * @event Player#timeupdate
-   * @type {Event}
-   */
-
-  /**
-   * Fired when the volume changes
-   *
-   * @event Player#volumechange
-   * @type {Event}
-   */
-
-  /**
-   * Reports whether or not a player has a plugin available.
-   *
-   * This does not report whether or not the plugin has ever been initialized
-   * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
-   *
-   * @method Player#hasPlugin
-   * @param  {string}  name
-   *         The name of a plugin.
-   *
-   * @return {boolean}
-   *         Whether or not this player has the requested plugin available.
-   */
-
-  /**
-   * Reports whether or not a player is using a plugin by name.
-   *
-   * For basic plugins, this only reports whether the plugin has _ever_ been
-   * initialized on this player.
-   *
-   * @method Player#usingPlugin
-   * @param  {string} name
-   *         The name of a plugin.
-   *
-   * @return {boolean}
-   *         Whether or not this player is using the requested plugin.
-   */
-
-  Component.registerComponent('Player', Player);
-
-  /**
-   * @file plugin.js
-   */
-
-  /**
-   * The base plugin name.
-   *
-   * @private
-   * @constant
-   * @type {string}
-   */
-  const BASE_PLUGIN_NAME = 'plugin';
-
-  /**
-   * The key on which a player's active plugins cache is stored.
-   *
-   * @private
-   * @constant
-   * @type     {string}
-   */
-  const PLUGIN_CACHE_KEY = 'activePlugins_';
-
-  /**
-   * Stores registered plugins in a private space.
-   *
-   * @private
-   * @type    {Object}
-   */
-  const pluginStorage = {};
-
-  /**
-   * Reports whether or not a plugin has been registered.
-   *
-   * @private
-   * @param   {string} name
-   *          The name of a plugin.
-   *
-   * @return {boolean}
-   *          Whether or not the plugin has been registered.
-   */
-  const pluginExists = name => pluginStorage.hasOwnProperty(name);
-
-  /**
-   * Get a single registered plugin by name.
-   *
-   * @private
-   * @param   {string} name
-   *          The name of a plugin.
-   *
-   * @return {typeof Plugin|Function|undefined}
-   *          The plugin (or undefined).
-   */
-  const getPlugin = name => pluginExists(name) ? pluginStorage[name] : undefined;
-
-  /**
-   * Marks a plugin as "active" on a player.
-   *
-   * Also, ensures that the player has an object for tracking active plugins.
-   *
-   * @private
-   * @param   {Player} player
-   *          A Video.js player instance.
-   *
-   * @param   {string} name
-   *          The name of a plugin.
-   */
-  const markPluginAsActive = (player, name) => {
-    player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
-    player[PLUGIN_CACHE_KEY][name] = true;
-  };
-
-  /**
-   * Triggers a pair of plugin setup events.
-   *
-   * @private
-   * @param  {Player} player
-   *         A Video.js player instance.
-   *
-   * @param  {PluginEventHash} hash
-   *         A plugin event hash.
-   *
-   * @param  {boolean} [before]
-   *         If true, prefixes the event name with "before". In other words,
-   *         use this to trigger "beforepluginsetup" instead of "pluginsetup".
-   */
-  const triggerSetupEvent = (player, hash, before) => {
-    const eventName = (before ? 'before' : '') + 'pluginsetup';
-    player.trigger(eventName, hash);
-    player.trigger(eventName + ':' + hash.name, hash);
-  };
-
-  /**
-   * Takes a basic plugin function and returns a wrapper function which marks
-   * on the player that the plugin has been activated.
-   *
-   * @private
-   * @param   {string} name
-   *          The name of the plugin.
-   *
-   * @param   {Function} plugin
-   *          The basic plugin.
-   *
-   * @return {Function}
-   *          A wrapper function for the given plugin.
-   */
-  const createBasicPlugin = function (name, plugin) {
-    const basicPluginWrapper = function () {
-      // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
-      // regardless, but we want the hash to be consistent with the hash provided
-      // for advanced plugins.
-      //
-      // The only potentially counter-intuitive thing here is the `instance` in
-      // the "pluginsetup" event is the value returned by the `plugin` function.
-      triggerSetupEvent(this, {
-        name,
-        plugin,
-        instance: null
-      }, true);
-      const instance = plugin.apply(this, arguments);
-      markPluginAsActive(this, name);
-      triggerSetupEvent(this, {
-        name,
-        plugin,
-        instance
-      });
-      return instance;
-    };
-    Object.keys(plugin).forEach(function (prop) {
-      basicPluginWrapper[prop] = plugin[prop];
-    });
-    return basicPluginWrapper;
-  };
-
-  /**
-   * Takes a plugin sub-class and returns a factory function for generating
-   * instances of it.
-   *
-   * This factory function will replace itself with an instance of the requested
-   * sub-class of Plugin.
-   *
-   * @private
-   * @param   {string} name
-   *          The name of the plugin.
-   *
-   * @param   {Plugin} PluginSubClass
-   *          The advanced plugin.
-   *
-   * @return {Function}
-   */
-  const createPluginFactory = (name, PluginSubClass) => {
-    // Add a `name` property to the plugin prototype so that each plugin can
-    // refer to itself by name.
-    PluginSubClass.prototype.name = name;
-    return function (...args) {
-      triggerSetupEvent(this, {
-        name,
-        plugin: PluginSubClass,
-        instance: null
-      }, true);
-      const instance = new PluginSubClass(...[this, ...args]);
-
-      // The plugin is replaced by a function that returns the current instance.
-      this[name] = () => instance;
-      triggerSetupEvent(this, instance.getEventHash());
-      return instance;
-    };
-  };
-
-  /**
-   * Parent class for all advanced plugins.
-   *
-   * @mixes   module:evented~EventedMixin
-   * @mixes   module:stateful~StatefulMixin
-   * @fires   Player#beforepluginsetup
-   * @fires   Player#beforepluginsetup:$name
-   * @fires   Player#pluginsetup
-   * @fires   Player#pluginsetup:$name
-   * @listens Player#dispose
-   * @throws  {Error}
-   *          If attempting to instantiate the base {@link Plugin} class
-   *          directly instead of via a sub-class.
-   */
-  class Plugin {
-    /**
-     * Creates an instance of this class.
-     *
-     * Sub-classes should call `super` to ensure plugins are properly initialized.
-     *
-     * @param {Player} player
-     *        A Video.js player instance.
-     */
-    constructor(player) {
-      if (this.constructor === Plugin) {
-        throw new Error('Plugin must be sub-classed; not directly instantiated.');
-      }
-      this.player = player;
-      if (!this.log) {
-        this.log = this.player.log.createLogger(this.name);
-      }
-
-      // Make this object evented, but remove the added `trigger` method so we
-      // use the prototype version instead.
-      evented(this);
-      delete this.trigger;
-      stateful(this, this.constructor.defaultState);
-      markPluginAsActive(player, this.name);
-
-      // Auto-bind the dispose method so we can use it as a listener and unbind
-      // it later easily.
-      this.dispose = this.dispose.bind(this);
-
-      // If the player is disposed, dispose the plugin.
-      player.on('dispose', this.dispose);
-    }
-
-    /**
-     * Get the version of the plugin that was set on <pluginName>.VERSION
-     */
-    version() {
-      return this.constructor.VERSION;
-    }
-
-    /**
-     * Each event triggered by plugins includes a hash of additional data with
-     * conventional properties.
-     *
-     * This returns that object or mutates an existing hash.
-     *
-     * @param   {Object} [hash={}]
-     *          An object to be used as event an event hash.
-     *
-     * @return {PluginEventHash}
-     *          An event hash object with provided properties mixed-in.
-     */
-    getEventHash(hash = {}) {
-      hash.name = this.name;
-      hash.plugin = this.constructor;
-      hash.instance = this;
-      return hash;
-    }
-
-    /**
-     * Triggers an event on the plugin object and overrides
-     * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
-     *
-     * @param   {string|Object} event
-     *          An event type or an object with a type property.
-     *
-     * @param   {Object} [hash={}]
-     *          Additional data hash to merge with a
-     *          {@link PluginEventHash|PluginEventHash}.
-     *
-     * @return {boolean}
-     *          Whether or not default was prevented.
-     */
-    trigger(event, hash = {}) {
-      return trigger(this.eventBusEl_, event, this.getEventHash(hash));
-    }
-
-    /**
-     * Handles "statechanged" events on the plugin. No-op by default, override by
-     * subclassing.
-     *
-     * @abstract
-     * @param    {Event} e
-     *           An event object provided by a "statechanged" event.
-     *
-     * @param    {Object} e.changes
-     *           An object describing changes that occurred with the "statechanged"
-     *           event.
-     */
-    handleStateChanged(e) {}
-
-    /**
-     * Disposes a plugin.
-     *
-     * Subclasses can override this if they want, but for the sake of safety,
-     * it's probably best to subscribe the "dispose" event.
-     *
-     * @fires Plugin#dispose
-     */
-    dispose() {
-      const {
-        name,
-        player
-      } = this;
-
-      /**
-       * Signals that a advanced plugin is about to be disposed.
-       *
-       * @event Plugin#dispose
-       * @type  {Event}
-       */
-      this.trigger('dispose');
-      this.off();
-      player.off('dispose', this.dispose);
-
-      // Eliminate any possible sources of leaking memory by clearing up
-      // references between the player and the plugin instance and nulling out
-      // the plugin's state and replacing methods with a function that throws.
-      player[PLUGIN_CACHE_KEY][name] = false;
-      this.player = this.state = null;
-
-      // Finally, replace the plugin name on the player with a new factory
-      // function, so that the plugin is ready to be set up again.
-      player[name] = createPluginFactory(name, pluginStorage[name]);
-    }
-
-    /**
-     * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
-     *
-     * @param   {string|Function} plugin
-     *          If a string, matches the name of a plugin. If a function, will be
-     *          tested directly.
-     *
-     * @return {boolean}
-     *          Whether or not a plugin is a basic plugin.
-     */
-    static isBasic(plugin) {
-      const p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
-      return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
-    }
-
-    /**
-     * Register a Video.js plugin.
-     *
-     * @param   {string} name
-     *          The name of the plugin to be registered. Must be a string and
-     *          must not match an existing plugin or a method on the `Player`
-     *          prototype.
-     *
-     * @param   {typeof Plugin|Function} plugin
-     *          A sub-class of `Plugin` or a function for basic plugins.
-     *
-     * @return {typeof Plugin|Function}
-     *          For advanced plugins, a factory function for that plugin. For
-     *          basic plugins, a wrapper function that initializes the plugin.
-     */
-    static registerPlugin(name, plugin) {
-      if (typeof name !== 'string') {
-        throw new Error(`Illegal plugin name, "${name}", must be a string, was ${typeof name}.`);
-      }
-      if (pluginExists(name)) {
-        log.warn(`A plugin named "${name}" already exists. You may want to avoid re-registering plugins!`);
-      } else if (Player.prototype.hasOwnProperty(name)) {
-        throw new Error(`Illegal plugin name, "${name}", cannot share a name with an existing player method!`);
-      }
-      if (typeof plugin !== 'function') {
-        throw new Error(`Illegal plugin for "${name}", must be a function, was ${typeof plugin}.`);
-      }
-      pluginStorage[name] = plugin;
-
-      // Add a player prototype method for all sub-classed plugins (but not for
-      // the base Plugin class).
-      if (name !== BASE_PLUGIN_NAME) {
-        if (Plugin.isBasic(plugin)) {
-          Player.prototype[name] = createBasicPlugin(name, plugin);
-        } else {
-          Player.prototype[name] = createPluginFactory(name, plugin);
-        }
-      }
-      return plugin;
-    }
-
-    /**
-     * De-register a Video.js plugin.
-     *
-     * @param  {string} name
-     *         The name of the plugin to be de-registered. Must be a string that
-     *         matches an existing plugin.
-     *
-     * @throws {Error}
-     *         If an attempt is made to de-register the base plugin.
-     */
-    static deregisterPlugin(name) {
-      if (name === BASE_PLUGIN_NAME) {
-        throw new Error('Cannot de-register base plugin.');
-      }
-      if (pluginExists(name)) {
-        delete pluginStorage[name];
-        delete Player.prototype[name];
-      }
-    }
-
-    /**
-     * Gets an object containing multiple Video.js plugins.
-     *
-     * @param   {Array} [names]
-     *          If provided, should be an array of plugin names. Defaults to _all_
-     *          plugin names.
-     *
-     * @return {Object|undefined}
-     *          An object containing plugin(s) associated with their name(s) or
-     *          `undefined` if no matching plugins exist).
-     */
-    static getPlugins(names = Object.keys(pluginStorage)) {
-      let result;
-      names.forEach(name => {
-        const plugin = getPlugin(name);
-        if (plugin) {
-          result = result || {};
-          result[name] = plugin;
-        }
-      });
-      return result;
-    }
-
-    /**
-     * Gets a plugin's version, if available
-     *
-     * @param   {string} name
-     *          The name of a plugin.
-     *
-     * @return {string}
-     *          The plugin's version or an empty string.
-     */
-    static getPluginVersion(name) {
-      const plugin = getPlugin(name);
-      return plugin && plugin.VERSION || '';
-    }
-  }
-
-  /**
-   * Gets a plugin by name if it exists.
-   *
-   * @static
-   * @method   getPlugin
-   * @memberOf Plugin
-   * @param    {string} name
-   *           The name of a plugin.
-   *
-   * @returns  {typeof Plugin|Function|undefined}
-   *           The plugin (or `undefined`).
-   */
-  Plugin.getPlugin = getPlugin;
-
-  /**
-   * The name of the base plugin class as it is registered.
-   *
-   * @type {string}
-   */
-  Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
-  Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
-
-  /**
-   * Documented in player.js
-   *
-   * @ignore
-   */
-  Player.prototype.usingPlugin = function (name) {
-    return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
-  };
-
-  /**
-   * Documented in player.js
-   *
-   * @ignore
-   */
-  Player.prototype.hasPlugin = function (name) {
-    return !!pluginExists(name);
-  };
-
-  /**
-   * Signals that a plugin is about to be set up on a player.
-   *
-   * @event    Player#beforepluginsetup
-   * @type     {PluginEventHash}
-   */
-
-  /**
-   * Signals that a plugin is about to be set up on a player - by name. The name
-   * is the name of the plugin.
-   *
-   * @event    Player#beforepluginsetup:$name
-   * @type     {PluginEventHash}
-   */
-
-  /**
-   * Signals that a plugin has just been set up on a player.
-   *
-   * @event    Player#pluginsetup
-   * @type     {PluginEventHash}
-   */
-
-  /**
-   * Signals that a plugin has just been set up on a player - by name. The name
-   * is the name of the plugin.
-   *
-   * @event    Player#pluginsetup:$name
-   * @type     {PluginEventHash}
-   */
-
-  /**
-   * @typedef  {Object} PluginEventHash
-   *
-   * @property {string} instance
-   *           For basic plugins, the return value of the plugin function. For
-   *           advanced plugins, the plugin instance on which the event is fired.
-   *
-   * @property {string} name
-   *           The name of the plugin.
-   *
-   * @property {string} plugin
-   *           For basic plugins, the plugin function. For advanced plugins, the
-   *           plugin class/constructor.
-   */
-
-  /**
-   * @file deprecate.js
-   * @module deprecate
-   */
-
-  /**
-   * Decorate a function with a deprecation message the first time it is called.
-   *
-   * @param  {string}   message
-   *         A deprecation message to log the first time the returned function
-   *         is called.
-   *
-   * @param  {Function} fn
-   *         The function to be deprecated.
-   *
-   * @return {Function}
-   *         A wrapper function that will log a deprecation warning the first
-   *         time it is called. The return value will be the return value of
-   *         the wrapped function.
-   */
-  function deprecate(message, fn) {
-    let warned = false;
-    return function (...args) {
-      if (!warned) {
-        log.warn(message);
-      }
-      warned = true;
-      return fn.apply(this, args);
-    };
-  }
-
-  /**
-   * Internal function used to mark a function as deprecated in the next major
-   * version with consistent messaging.
-   *
-   * @param  {number}   major   The major version where it will be removed
-   * @param  {string}   oldName The old function name
-   * @param  {string}   newName The new function name
-   * @param  {Function} fn      The function to deprecate
-   * @return {Function}         The decorated function
-   */
-  function deprecateForMajor(major, oldName, newName, fn) {
-    return deprecate(`${oldName} is deprecated and will be removed in ${major}.0; please use ${newName} instead.`, fn);
-  }
-
-  var VjsErrors = {
-    UnsupportedSidxContainer: 'unsupported-sidx-container-error',
-    DashManifestSidxParsingError: 'dash-manifest-sidx-parsing-error',
-    HlsPlaylistRequestError: 'hls-playlist-request-error',
-    SegmentUnsupportedMediaFormat: 'segment-unsupported-media-format-error',
-    UnsupportedMediaInitialization: 'unsupported-media-initialization-error',
-    SegmentSwitchError: 'segment-switch-error',
-    SegmentExceedsSourceBufferQuota: 'segment-exceeds-source-buffer-quota-error',
-    SegmentAppendError: 'segment-append-error',
-    VttLoadError: 'vtt-load-error',
-    VttCueParsingError: 'vtt-cue-parsing-error',
-    // Errors used in contrib-ads:
-    AdsBeforePrerollError: 'ads-before-preroll-error',
-    AdsPrerollError: 'ads-preroll-error',
-    AdsMidrollError: 'ads-midroll-error',
-    AdsPostrollError: 'ads-postroll-error',
-    AdsMacroReplacementFailed: 'ads-macro-replacement-failed',
-    AdsResumeContentFailed: 'ads-resume-content-failed',
-    // Errors used in contrib-eme:
-    EMEFailedToRequestMediaKeySystemAccess: 'eme-failed-request-media-key-system-access',
-    EMEFailedToCreateMediaKeys: 'eme-failed-create-media-keys',
-    EMEFailedToAttachMediaKeysToVideoElement: 'eme-failed-attach-media-keys-to-video',
-    EMEFailedToCreateMediaKeySession: 'eme-failed-create-media-key-session',
-    EMEFailedToSetServerCertificate: 'eme-failed-set-server-certificate',
-    EMEFailedToGenerateLicenseRequest: 'eme-failed-generate-license-request',
-    EMEFailedToUpdateSessionWithReceivedLicenseKeys: 'eme-failed-update-session',
-    EMEFailedToCloseSession: 'eme-failed-close-session',
-    EMEFailedToRemoveKeysFromSession: 'eme-failed-remove-keys',
-    EMEFailedToLoadSessionBySessionId: 'eme-failed-load-session'
-  };
-
-  /**
-   * @file video.js
-   * @module videojs
-   */
-
-  /**
-   * Normalize an `id` value by trimming off a leading `#`
-   *
-   * @private
-   * @param   {string} id
-   *          A string, maybe with a leading `#`.
-   *
-   * @return {string}
-   *          The string, without any leading `#`.
-   */
-  const normalizeId = id => id.indexOf('#') === 0 ? id.slice(1) : id;
-
-  /**
-   * A callback that is called when a component is ready. Does not have any
-   * parameters and any callback value will be ignored. See: {@link Component~ReadyCallback}
-   *
-   * @callback ReadyCallback
-   */
-
-  /**
-   * The `videojs()` function doubles as the main function for users to create a
-   * {@link Player} instance as well as the main library namespace.
-   *
-   * It can also be used as a getter for a pre-existing {@link Player} instance.
-   * However, we _strongly_ recommend using `videojs.getPlayer()` for this
-   * purpose because it avoids any potential for unintended initialization.
-   *
-   * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)
-   * of our JSDoc template, we cannot properly document this as both a function
-   * and a namespace, so its function signature is documented here.
-   *
-   * #### Arguments
-   * ##### id
-   * string|Element, **required**
-   *
-   * Video element or video element ID.
-   *
-   * ##### options
-   * Object, optional
-   *
-   * Options object for providing settings.
-   * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).
-   *
-   * ##### ready
-   * {@link Component~ReadyCallback}, optional
-   *
-   * A function to be called when the {@link Player} and {@link Tech} are ready.
-   *
-   * #### Return Value
-   *
-   * The `videojs()` function returns a {@link Player} instance.
-   *
-   * @namespace
-   *
-   * @borrows AudioTrack as AudioTrack
-   * @borrows Component.getComponent as getComponent
-   * @borrows module:events.on as on
-   * @borrows module:events.one as one
-   * @borrows module:events.off as off
-   * @borrows module:events.trigger as trigger
-   * @borrows EventTarget as EventTarget
-   * @borrows module:middleware.use as use
-   * @borrows Player.players as players
-   * @borrows Plugin.registerPlugin as registerPlugin
-   * @borrows Plugin.deregisterPlugin as deregisterPlugin
-   * @borrows Plugin.getPlugins as getPlugins
-   * @borrows Plugin.getPlugin as getPlugin
-   * @borrows Plugin.getPluginVersion as getPluginVersion
-   * @borrows Tech.getTech as getTech
-   * @borrows Tech.registerTech as registerTech
-   * @borrows TextTrack as TextTrack
-   * @borrows VideoTrack as VideoTrack
-   *
-   * @param  {string|Element} id
-   *         Video element or video element ID.
-   *
-   * @param  {Object} [options]
-   *         Options object for providing settings.
-   *         See: [Options Guide](https://docs.videojs.com/tutorial-options.html).
-   *
-   * @param  {ReadyCallback} [ready]
-   *         A function to be called when the {@link Player} and {@link Tech} are
-   *         ready.
-   *
-   * @return {Player}
-   *         The `videojs()` function returns a {@link Player|Player} instance.
-   */
-  function videojs(id, options, ready) {
-    let player = videojs.getPlayer(id);
-    if (player) {
-      if (options) {
-        log.warn(`Player "${id}" is already initialised. Options will not be applied.`);
-      }
-      if (ready) {
-        player.ready(ready);
-      }
-      return player;
-    }
-    const el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;
-    if (!isEl(el)) {
-      throw new TypeError('The element or ID supplied is not valid. (videojs)');
-    }
-
-    // document.body.contains(el) will only check if el is contained within that one document.
-    // This causes problems for elements in iframes.
-    // Instead, use the element's ownerDocument instead of the global document.
-    // This will make sure that the element is indeed in the dom of that document.
-    // Additionally, check that the document in question has a default view.
-    // If the document is no longer attached to the dom, the defaultView of the document will be null.
-    // If element is inside Shadow DOM (e.g. is part of a Custom element), ownerDocument.body
-    // always returns false. Instead, use the Shadow DOM root.
-    const inShadowDom = 'getRootNode' in el ? el.getRootNode() instanceof window.ShadowRoot : false;
-    const rootNode = inShadowDom ? el.getRootNode() : el.ownerDocument.body;
-    if (!el.ownerDocument.defaultView || !rootNode.contains(el)) {
-      log.warn('The element supplied is not included in the DOM');
-    }
-    options = options || {};
-
-    // Store a copy of the el before modification, if it is to be restored in destroy()
-    // If div ingest, store the parent div
-    if (options.restoreEl === true) {
-      options.restoreEl = (el.parentNode && el.parentNode.hasAttribute('data-vjs-player') ? el.parentNode : el).cloneNode(true);
-    }
-    hooks('beforesetup').forEach(hookFunction => {
-      const opts = hookFunction(el, merge(options));
-      if (!isObject(opts) || Array.isArray(opts)) {
-        log.error('please return an object in beforesetup hooks');
-        return;
-      }
-      options = merge(options, opts);
-    });
-
-    // We get the current "Player" component here in case an integration has
-    // replaced it with a custom player.
-    const PlayerComponent = Component.getComponent('Player');
-    player = new PlayerComponent(el, options, ready);
-    hooks('setup').forEach(hookFunction => hookFunction(player));
-    return player;
-  }
-  videojs.hooks_ = hooks_;
-  videojs.hooks = hooks;
-  videojs.hook = hook;
-  videojs.hookOnce = hookOnce;
-  videojs.removeHook = removeHook;
-
-  // Add default styles
-  if (window.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
-    let style = $('.vjs-styles-defaults');
-    if (!style) {
-      style = createStyleElement('vjs-styles-defaults');
-      const head = $('head');
-      if (head) {
-        head.insertBefore(style, head.firstChild);
-      }
-      setTextContent(style, `
-      .video-js {
-        width: 300px;
-        height: 150px;
-      }
-
-      .vjs-fluid:not(.vjs-audio-only-mode) {
-        padding-top: 56.25%
-      }
-    `);
-    }
-  }
-
-  // Run Auto-load players
-  // You have to wait at least once in case this script is loaded after your
-  // video in the DOM (weird behavior only with minified version)
-  autoSetupTimeout(1, videojs);
-
-  /**
-   * Current Video.js version. Follows [semantic versioning](https://semver.org/).
-   *
-   * @type {string}
-   */
-  videojs.VERSION = version;
-
-  /**
-   * The global options object. These are the settings that take effect
-   * if no overrides are specified when the player is created.
-   *
-   * @type {Object}
-   */
-  videojs.options = Player.prototype.options_;
-
-  /**
-   * Get an object with the currently created players, keyed by player ID
-   *
-   * @return {Object}
-   *         The created players
-   */
-  videojs.getPlayers = () => Player.players;
-
-  /**
-   * Get a single player based on an ID or DOM element.
-   *
-   * This is useful if you want to check if an element or ID has an associated
-   * Video.js player, but not create one if it doesn't.
-   *
-   * @param   {string|Element} id
-   *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -
-   *          or a string matching the `id` of such an element.
-   *
-   * @return {Player|undefined}
-   *          A player instance or `undefined` if there is no player instance
-   *          matching the argument.
-   */
-  videojs.getPlayer = id => {
-    const players = Player.players;
-    let tag;
-    if (typeof id === 'string') {
-      const nId = normalizeId(id);
-      const player = players[nId];
-      if (player) {
-        return player;
-      }
-      tag = $('#' + nId);
-    } else {
-      tag = id;
-    }
-    if (isEl(tag)) {
-      const {
-        player,
-        playerId
-      } = tag;
-
-      // Element may have a `player` property referring to an already created
-      // player instance. If so, return that.
-      if (player || players[playerId]) {
-        return player || players[playerId];
-      }
-    }
-  };
-
-  /**
-   * Returns an array of all current players.
-   *
-   * @return {Array}
-   *         An array of all players. The array will be in the order that
-   *         `Object.keys` provides, which could potentially vary between
-   *         JavaScript engines.
-   *
-   */
-  videojs.getAllPlayers = () =>
-  // Disposed players leave a key with a `null` value, so we need to make sure
-  // we filter those out.
-  Object.keys(Player.players).map(k => Player.players[k]).filter(Boolean);
-  videojs.players = Player.players;
-  videojs.getComponent = Component.getComponent;
-
-  /**
-   * Register a component so it can referred to by name. Used when adding to other
-   * components, either through addChild `component.addChild('myComponent')` or through
-   * default children options  `{ children: ['myComponent'] }`.
-   *
-   * > NOTE: You could also just initialize the component before adding.
-   * `component.addChild(new MyComponent());`
-   *
-   * @param {string} name
-   *        The class name of the component
-   *
-   * @param {typeof Component} comp
-   *        The component class
-   *
-   * @return {typeof Component}
-   *         The newly registered component
-   */
-  videojs.registerComponent = (name, comp) => {
-    if (Tech.isTech(comp)) {
-      log.warn(`The ${name} tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)`);
-    }
-    return Component.registerComponent.call(Component, name, comp);
-  };
-  videojs.getTech = Tech.getTech;
-  videojs.registerTech = Tech.registerTech;
-  videojs.use = use;
-
-  /**
-   * An object that can be returned by a middleware to signify
-   * that the middleware is being terminated.
-   *
-   * @type {object}
-   * @property {object} middleware.TERMINATOR
-   */
-  Object.defineProperty(videojs, 'middleware', {
-    value: {},
-    writeable: false,
-    enumerable: true
-  });
-  Object.defineProperty(videojs.middleware, 'TERMINATOR', {
-    value: TERMINATOR,
-    writeable: false,
-    enumerable: true
-  });
-
-  /**
-   * A reference to the {@link module:browser|browser utility module} as an object.
-   *
-   * @type {Object}
-   * @see  {@link module:browser|browser}
-   */
-  videojs.browser = browser;
-
-  /**
-   * A reference to the {@link module:obj|obj utility module} as an object.
-   *
-   * @type {Object}
-   * @see  {@link module:obj|obj}
-   */
-  videojs.obj = Obj;
-
-  /**
-   * Deprecated reference to the {@link module:obj.merge|merge function}
-   *
-   * @type {Function}
-   * @see {@link module:obj.merge|merge}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.obj.merge instead.
-   */
-  videojs.mergeOptions = deprecateForMajor(9, 'videojs.mergeOptions', 'videojs.obj.merge', merge);
-
-  /**
-   * Deprecated reference to the {@link module:obj.defineLazyProperty|defineLazyProperty function}
-   *
-   * @type {Function}
-   * @see {@link module:obj.defineLazyProperty|defineLazyProperty}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.obj.defineLazyProperty instead.
-   */
-  videojs.defineLazyProperty = deprecateForMajor(9, 'videojs.defineLazyProperty', 'videojs.obj.defineLazyProperty', defineLazyProperty);
-
-  /**
-   * Deprecated reference to the {@link module:fn.bind_|fn.bind_ function}
-   *
-   * @type {Function}
-   * @see {@link module:fn.bind_|fn.bind_}
-   * @deprecated Deprecated and will be removed in 9.0. Please use native Function.prototype.bind instead.
-   */
-  videojs.bind = deprecateForMajor(9, 'videojs.bind', 'native Function.prototype.bind', bind_);
-  videojs.registerPlugin = Plugin.registerPlugin;
-  videojs.deregisterPlugin = Plugin.deregisterPlugin;
-
-  /**
-   * Deprecated method to register a plugin with Video.js
-   *
-   * @deprecated Deprecated and will be removed in 9.0. Use videojs.registerPlugin() instead.
-   *
-   * @param {string} name
-   *        The plugin name
-  *
-   * @param {typeof Plugin|Function} plugin
-   *         The plugin sub-class or function
-   *
-   * @return {typeof Plugin|Function}
-   */
-  videojs.plugin = (name, plugin) => {
-    log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
-    return Plugin.registerPlugin(name, plugin);
-  };
-  videojs.getPlugins = Plugin.getPlugins;
-  videojs.getPlugin = Plugin.getPlugin;
-  videojs.getPluginVersion = Plugin.getPluginVersion;
-
-  /**
-   * Adding languages so that they're available to all players.
-   * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
-   *
-   * @param {string} code
-   *        The language code or dictionary property
-   *
-   * @param {Object} data
-   *        The data values to be translated
-   *
-   * @return {Object}
-   *         The resulting language dictionary object
-   */
-  videojs.addLanguage = function (code, data) {
-    code = ('' + code).toLowerCase();
-    videojs.options.languages = merge(videojs.options.languages, {
-      [code]: data
-    });
-    return videojs.options.languages[code];
-  };
-
-  /**
-   * A reference to the {@link module:log|log utility module} as an object.
-   *
-   * @type {Function}
-   * @see  {@link module:log|log}
-   */
-  videojs.log = log;
-  videojs.createLogger = createLogger;
-
-  /**
-   * A reference to the {@link module:time|time utility module} as an object.
-   *
-   * @type {Object}
-   * @see {@link module:time|time}
-   */
-  videojs.time = Time;
-
-  /**
-   * Deprecated reference to the {@link module:time.createTimeRanges|createTimeRanges function}
-   *
-   * @type {Function}
-   * @see {@link module:time.createTimeRanges|createTimeRanges}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.time.createTimeRanges instead.
-   */
-  videojs.createTimeRange = deprecateForMajor(9, 'videojs.createTimeRange', 'videojs.time.createTimeRanges', createTimeRanges);
-
-  /**
-   * Deprecated reference to the {@link module:time.createTimeRanges|createTimeRanges function}
-   *
-   * @type {Function}
-   * @see {@link module:time.createTimeRanges|createTimeRanges}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.time.createTimeRanges instead.
-   */
-  videojs.createTimeRanges = deprecateForMajor(9, 'videojs.createTimeRanges', 'videojs.time.createTimeRanges', createTimeRanges);
-
-  /**
-   * Deprecated reference to the {@link module:time.formatTime|formatTime function}
-   *
-   * @type {Function}
-   * @see {@link module:time.formatTime|formatTime}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.time.format instead.
-   */
-  videojs.formatTime = deprecateForMajor(9, 'videojs.formatTime', 'videojs.time.formatTime', formatTime);
-
-  /**
-   * Deprecated reference to the {@link module:time.setFormatTime|setFormatTime function}
-   *
-   * @type {Function}
-   * @see {@link module:time.setFormatTime|setFormatTime}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.time.setFormat instead.
-   */
-  videojs.setFormatTime = deprecateForMajor(9, 'videojs.setFormatTime', 'videojs.time.setFormatTime', setFormatTime);
-
-  /**
-   * Deprecated reference to the {@link module:time.resetFormatTime|resetFormatTime function}
-   *
-   * @type {Function}
-   * @see {@link module:time.resetFormatTime|resetFormatTime}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.time.resetFormat instead.
-   */
-  videojs.resetFormatTime = deprecateForMajor(9, 'videojs.resetFormatTime', 'videojs.time.resetFormatTime', resetFormatTime);
-
-  /**
-   * Deprecated reference to the {@link module:url.parseUrl|Url.parseUrl function}
-   *
-   * @type {Function}
-   * @see {@link module:url.parseUrl|parseUrl}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.url.parseUrl instead.
-   */
-  videojs.parseUrl = deprecateForMajor(9, 'videojs.parseUrl', 'videojs.url.parseUrl', parseUrl);
-
-  /**
-   * Deprecated reference to the {@link module:url.isCrossOrigin|Url.isCrossOrigin function}
-   *
-   * @type {Function}
-   * @see {@link module:url.isCrossOrigin|isCrossOrigin}
-   * @deprecated Deprecated and will be removed in 9.0. Please use videojs.url.isCrossOrigin instead.
-   */
-  videojs.isCrossOrigin = deprecateForMajor(9, 'videojs.isCrossOrigin', 'videojs.url.isCrossOrigin', isCrossOrigin);
-  videojs.EventTarget = EventTarget;
-  videojs.any = any;
-  videojs.on = on;
-  videojs.one = one;
-  videojs.off = off;
-  videojs.trigger = trigger;
-
-  /**
-   * A cross-browser XMLHttpRequest wrapper.
-   *
-   * @function
-   * @param    {Object} options
-   *           Settings for the request.
-   *
-   * @return   {XMLHttpRequest|XDomainRequest}
-   *           The request object.
-   *
-   * @see      https://github.com/Raynos/xhr
-   */
-  videojs.xhr = lib;
-  videojs.TextTrack = TextTrack;
-  videojs.AudioTrack = AudioTrack;
-  videojs.VideoTrack = VideoTrack;
-  ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(k => {
-    videojs[k] = function () {
-      log.warn(`videojs.${k}() is deprecated; use videojs.dom.${k}() instead`);
-      return Dom[k].apply(null, arguments);
-    };
-  });
-  videojs.computedStyle = deprecateForMajor(9, 'videojs.computedStyle', 'videojs.dom.computedStyle', computedStyle);
-
-  /**
-   * A reference to the {@link module:dom|DOM utility module} as an object.
-   *
-   * @type {Object}
-   * @see {@link module:dom|dom}
-   */
-  videojs.dom = Dom;
-
-  /**
-   * A reference to the {@link module:fn|fn utility module} as an object.
-   *
-   * @type {Object}
-   * @see {@link module:fn|fn}
-   */
-  videojs.fn = Fn;
-
-  /**
-   * A reference to the {@link module:num|num utility module} as an object.
-   *
-   * @type {Object}
-   * @see {@link module:num|num}
-   */
-  videojs.num = Num;
-
-  /**
-   * A reference to the {@link module:str|str utility module} as an object.
-   *
-   * @type {Object}
-   * @see {@link module:str|str}
-   */
-  videojs.str = Str;
-
-  /**
-   * A reference to the {@link module:url|URL utility module} as an object.
-   *
-   * @type {Object}
-   * @see {@link module:url|url}
-   */
-  videojs.url = Url;
-
-  // The list of possible error types to occur in video.js
-  videojs.Error = VjsErrors;
-
-  return videojs;
-
-}));