diff --git a/static/videojs/videojs-resolution-switcher.js b/static/videojs/videojs-resolution-switcher.js index eae1c38b579bd397135fdd092f85147b0b26bfdb..36ccdb15397e4f641b92183f098c50c47ce45ae0 100644 --- a/static/videojs/videojs-resolution-switcher.js +++ b/static/videojs/videojs-resolution-switcher.js @@ -4,364 +4,364 @@ * Licensed under the Apache-2.0 license. */ (function() { - /* jshint eqnull: true*/ - /* global require */ - 'use strict'; - var videojs = null; - if(typeof window.videojs === 'undefined' && typeof require === 'function') { - videojs = require('video.js'); - } else { - videojs = window.videojs; - } - - (function(window, videojs) { - var videoJsResolutionSwitcher, - defaults = { - ui: true - }; - - /* - * Resolution menu item - */ - var MenuItem = videojs.getComponent('MenuItem'); - var ResolutionMenuItem = videojs.extend(MenuItem, { - constructor: function(player, options){ - options.selectable = true; - // Sets this.player_, this.options_ and initializes the component - MenuItem.call(this, player, options); - this.src = options.src; - - player.on('resolutionchange', videojs.bind(this, this.update)); - } - } ); - ResolutionMenuItem.prototype.handleClick = function(event){ - MenuItem.prototype.handleClick.call(this,event); - this.player_.currentResolution(this.options_.label); - }; - ResolutionMenuItem.prototype.update = function(){ - var selection = this.player_.currentResolution(); - this.selected(this.options_.label === selection.label); - }; - MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem); - - /* - * Resolution menu button - */ - var MenuButton = videojs.getComponent('MenuButton'); - var ResolutionMenuButton = videojs.extend(MenuButton, { - constructor: function(player, options){ - this.label = document.createElement('span'); - options.label = 'Quality'; - // Sets this.player_, this.options_ and initializes the component - MenuButton.call(this, player, options); - this.el().setAttribute('aria-label','Quality'); - this.controlText('Quality'); - - if(options.dynamicLabel){ - videojs.addClass(this.label, 'vjs-resolution-button-label'); - this.el().appendChild(this.label); - }else{ - var staticLabel = document.createElement('span'); - videojs.addClass(staticLabel, 'vjs-menu-icon'); - this.el().appendChild(staticLabel); - } - player.on('updateSources', videojs.bind( this, this.update ) ); - } - } ); - ResolutionMenuButton.prototype.createItems = function(){ - var menuItems = []; - var labels = (this.sources && this.sources.label) || {}; - - // FIXME order is not guaranteed here. - for (var key in labels) { - if (labels.hasOwnProperty(key)) { - menuItems.push(new ResolutionMenuItem( - this.player_, - { - label: key, - src: labels[key], - selected: key === (this.currentSelection ? this.currentSelection.label : false) - }) - ); - } - } - return menuItems; - }; - ResolutionMenuButton.prototype.update = function(){ - this.sources = this.player_.getGroupedSrc(); - this.currentSelection = this.player_.currentResolution(); - this.label.innerHTML = this.currentSelection ? this.currentSelection.label : ''; - return MenuButton.prototype.update.call(this); - }; - ResolutionMenuButton.prototype.buildCSSClass = function(){ - return MenuButton.prototype.buildCSSClass.call( this ) + ' vjs-resolution-button'; - }; - MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton); - - /** - * Initialize the plugin. - * @param {object} [options] configuration for the plugin - */ - videoJsResolutionSwitcher = function(options) { - var settings = videojs.mergeOptions(defaults, options), - player = this, - groupedSrc = {}, - currentSources = {}, - currentResolutionState = {}; - - /** - * Updates player sources or returns current source URL - * @param {Array} [src] array of sources [{src: '', type: '', label: '', res: ''}] - * @returns {Object|String|Array} videojs player object if used as setter or current source URL, object, or array of sources - */ - player.updateSrc = function(src){ - //Return current src if src is not given - if(!src){ return player.src(); } - - // Only add those sources which we can (maybe) play - src = src.filter( function(source) { - try { - return ( player.canPlayType( source.type ) !== '' ); - } catch (e) { - // If a Tech doesn't yet have canPlayType just add it - return true; - } - }); - //Sort sources - this.currentSources = src.sort(compareResolutions); - this.groupedSrc = bucketSources(this.currentSources); - // Pick one by default - var chosen = chooseSrc(this.groupedSrc, this.currentSources); - this.currentResolutionState = { - label: chosen.label, - sources: chosen.sources - }; - - player.trigger('updateSources'); - player.setSourcesSanitized(chosen.sources, chosen.label); - player.trigger('resolutionchange'); - return player; - }; - - /** - * Returns current resolution or sets one when label is specified - * @param {String} [label] label name - * @param {Function} [customSourcePicker] custom function to choose source. Takes 2 arguments: sources, label. Must return player object. - * @returns {Object} current resolution object {label: '', sources: []} if used as getter or player object if used as setter - */ - player.currentResolution = function(label, customSourcePicker){ - if(label == null) { return this.currentResolutionState; } - - // Lookup sources for label - if(!this.groupedSrc || !this.groupedSrc.label || !this.groupedSrc.label[label]){ - return; - } - var sources = this.groupedSrc.label[label]; - // Remember player state - var currentTime = player.currentTime(); - var isPaused = player.paused(); - - // Hide bigPlayButton - if(!isPaused && this.player_.options_.bigPlayButton){ - this.player_.bigPlayButton.hide(); - } - - // Change player source and wait for loadeddata event, then play video - // loadedmetadata doesn't work right now for flash. - // Probably because of https://github.com/videojs/video-js-swf/issues/124 - // If player preload is 'none' and then loadeddata not fired. So, we need timeupdate event for seek handle (timeupdate doesn't work properly with flash) - var handleSeekEvent = 'loadeddata'; - if(this.player_.techName_ !== 'Youtube' && this.player_.preload() === 'none' && this.player_.techName_ !== 'Flash') { - handleSeekEvent = 'timeupdate'; - } - player - .setSourcesSanitized(sources, label, customSourcePicker || settings.customSourcePicker) - .one(handleSeekEvent, function() { - player.currentTime(currentTime); - player.handleTechSeeked_(); - if(!isPaused){ - // Start playing and hide loadingSpinner (flash issue ?) - player.play().handleTechSeeked_(); - } - player.trigger('resolutionchange'); - }); - return player; - }; - - /** - * Returns grouped sources by label, resolution and type - * @returns {Object} grouped sources: { label: { key: [] }, res: { key: [] }, type: { key: [] } } - */ - player.getGroupedSrc = function(){ - return this.groupedSrc; - }; - - player.setSourcesSanitized = function(sources, label, customSourcePicker) { - this.currentResolutionState = { - label: label, - sources: sources - }; - if(typeof customSourcePicker === 'function'){ - return customSourcePicker(player, sources, label); - } - player.src(sources.map(function(src) { - return {src: src.src, type: src.type, res: src.res}; - })); - return player; - }; - - /** - * Method used for sorting list of sources - * @param {Object} a - source object with res property - * @param {Object} b - source object with res property - * @returns {Number} result of comparation - */ - function compareResolutions(a, b){ - if(!a.res || !b.res){ return 0; } - return (+b.res)-(+a.res); - } - - /** - * Group sources by label, resolution and type - * @param {Array} src Array of sources - * @returns {Object} grouped sources: { label: { key: [] }, res: { key: [] }, type: { key: [] } } - */ - function bucketSources(src){ - var resolutions = { - label: {}, - res: {}, - type: {} - }; - src.map(function(source) { - initResolutionKey(resolutions, 'label', source); - initResolutionKey(resolutions, 'res', source); - initResolutionKey(resolutions, 'type', source); - - appendSourceToKey(resolutions, 'label', source); - appendSourceToKey(resolutions, 'res', source); - appendSourceToKey(resolutions, 'type', source); - }); - return resolutions; - } - - function initResolutionKey(resolutions, key, source) { - if(resolutions[key][source[key]] == null) { - resolutions[key][source[key]] = []; - } - } - - function appendSourceToKey(resolutions, key, source) { - resolutions[key][source[key]].push(source); - } - - /** - * Choose src if option.default is specified - * @param {Object} groupedSrc {res: { key: [] }} - * @param {Array} src Array of sources sorted by resolution used to find high and low res - * @returns {Object} {res: string, sources: []} - */ - function chooseSrc(groupedSrc, src){ - var selectedRes = settings['default']; // use array access as default is a reserved keyword - var selectedLabel = ''; - if (selectedRes === 'high') { - selectedRes = src[0].res; - selectedLabel = src[0].label; - } else if (selectedRes === 'low' || selectedRes == null || !groupedSrc.res[selectedRes]) { - // Select low-res if default is low or not set - selectedRes = src[src.length - 1].res; - selectedLabel = src[src.length -1].label; - } else if (groupedSrc.res[selectedRes]) { - selectedLabel = groupedSrc.res[selectedRes][0].label; - } - - return {res: selectedRes, label: selectedLabel, sources: groupedSrc.res[selectedRes]}; - } - - function initResolutionForYt(player){ - // Map youtube qualities names - var _yts = { - highres: {res: 1080, label: '1080', yt: 'highres'}, - hd1080: {res: 1080, label: '1080', yt: 'hd1080'}, - hd720: {res: 720, label: '720', yt: 'hd720'}, - large: {res: 480, label: '480', yt: 'large'}, - medium: {res: 360, label: '360', yt: 'medium'}, - small: {res: 240, label: '240', yt: 'small'}, - tiny: {res: 144, label: '144', yt: 'tiny'}, - auto: {res: 0, label: 'auto', yt: 'auto'} - }; - // Overwrite default sourcePicker function - var _customSourcePicker = function(_player, _sources, _label){ - // Note that setPlayebackQuality is a suggestion. YT does not always obey it. - player.tech_.ytPlayer.setPlaybackQuality(_sources[0]._yt); - player.trigger('updateSources'); - return player; - }; - settings.customSourcePicker = _customSourcePicker; - - // Init resolution - player.tech_.ytPlayer.setPlaybackQuality('auto'); - - // This is triggered when the resolution actually changes - player.tech_.ytPlayer.addEventListener('onPlaybackQualityChange', function(event){ - for(var res in _yts) { - if(res.yt === event.data) { - player.currentResolution(res.label, _customSourcePicker); - return; - } - } - }); - - // We must wait for play event - player.one('play', function(){ - var qualities = player.tech_.ytPlayer.getAvailableQualityLevels(); - var _sources = []; - - qualities.map(function(q){ - _sources.push({ - src: player.src().src, - type: player.src().type, - label: _yts[q].label, - res: _yts[q].res, - _yt: _yts[q].yt - }); - }); - - player.groupedSrc = bucketSources(_sources); - var chosen = {label: 'auto', res: 0, sources: player.groupedSrc.label.auto}; - - this.currentResolutionState = { - label: chosen.label, - sources: chosen.sources - }; - - player.trigger('updateSources'); - player.setSourcesSanitized(chosen.sources, chosen.label, _customSourcePicker); - }); - } - - player.ready(function(){ - if( settings.ui ) { - var menuButton = new ResolutionMenuButton(player, settings); - player.controlBar.resolutionSwitcher = player.controlBar.el_.insertBefore(menuButton.el_, player.controlBar.getChild('fullscreenToggle').el_); - player.controlBar.resolutionSwitcher.dispose = function(){ - this.parentNode.removeChild(this); - }; - } - if(player.options_.sources.length > 1){ - // tech: Html5 and Flash - // Create resolution switcher for videos form <source> tag inside <video> - player.updateSrc(player.options_.sources); - } - - if(player.techName_ === 'Youtube'){ - // tech: YouTube - initResolutionForYt(player); - } - }); - - }; - - // register the plugin - videojs.plugin('videoJsResolutionSwitcher', videoJsResolutionSwitcher); - })(window, videojs); + /* jshint eqnull: true*/ + /* global require */ + 'use strict'; + var videojs = null; + if(typeof window.videojs === 'undefined' && typeof require === 'function') { + videojs = require('video.js'); + } else { + videojs = window.videojs; + } + + (function(window, videojs) { + var videoJsResolutionSwitcher, + defaults = { + ui: true + }; + + /* + * Resolution menu item + */ + var MenuItem = videojs.getComponent('MenuItem'); + var ResolutionMenuItem = videojs.extend(MenuItem, { + constructor: function(player, options){ + options.selectable = true; + // Sets this.player_, this.options_ and initializes the component + MenuItem.call(this, player, options); + this.src = options.src; + + player.on('resolutionchange', videojs.bind(this, this.update)); + } + } ); + ResolutionMenuItem.prototype.handleClick = function(event){ + MenuItem.prototype.handleClick.call(this,event); + this.player_.currentResolution(this.options_.label); + }; + ResolutionMenuItem.prototype.update = function(){ + var selection = this.player_.currentResolution(); + this.selected(this.options_.label === selection.label); + }; + MenuItem.registerComponent('ResolutionMenuItem', ResolutionMenuItem); + + /* + * Resolution menu button + */ + var MenuButton = videojs.getComponent('MenuButton'); + var ResolutionMenuButton = videojs.extend(MenuButton, { + constructor: function(player, options){ + this.label = document.createElement('span'); + options.label = 'Quality'; + // Sets this.player_, this.options_ and initializes the component + MenuButton.call(this, player, options); + this.el().setAttribute('aria-label','Quality'); + this.controlText('Quality'); + + if(options.dynamicLabel){ + videojs.addClass(this.label, 'vjs-resolution-button-label'); + this.el().appendChild(this.label); + }else{ + var staticLabel = document.createElement('span'); + videojs.addClass(staticLabel, 'vjs-menu-icon'); + this.el().appendChild(staticLabel); + } + player.on('updateSources', videojs.bind( this, this.update ) ); + } + } ); + ResolutionMenuButton.prototype.createItems = function(){ + var menuItems = []; + var labels = (this.sources && this.sources.label) || {}; + + // FIXME order is not guaranteed here. + for (var key in labels) { + if (labels.hasOwnProperty(key)) { + menuItems.push(new ResolutionMenuItem( + this.player_, + { + label: key, + src: labels[key], + selected: key === (this.currentSelection ? this.currentSelection.label : false) + }) + ); + } + } + return menuItems; + }; + ResolutionMenuButton.prototype.update = function(){ + this.sources = this.player_.getGroupedSrc(); + this.currentSelection = this.player_.currentResolution(); + this.label.innerHTML = this.currentSelection ? this.currentSelection.label : ''; + return MenuButton.prototype.update.call(this); + }; + ResolutionMenuButton.prototype.buildCSSClass = function(){ + return MenuButton.prototype.buildCSSClass.call( this ) + ' vjs-resolution-button'; + }; + MenuButton.registerComponent('ResolutionMenuButton', ResolutionMenuButton); + + /** + * Initialize the plugin. + * @param {object} [options] configuration for the plugin + */ + videoJsResolutionSwitcher = function(options) { + var settings = videojs.mergeOptions(defaults, options), + player = this, + groupedSrc = {}, + currentSources = {}, + currentResolutionState = {}; + + /** + * Updates player sources or returns current source URL + * @param {Array} [src] array of sources [{src: '', type: '', label: '', res: ''}] + * @returns {Object|String|Array} videojs player object if used as setter or current source URL, object, or array of sources + */ + player.updateSrc = function(src){ + //Return current src if src is not given + if(!src){ return player.src(); } + + // Only add those sources which we can (maybe) play + src = src.filter( function(source) { + try { + return ( player.canPlayType( source.type ) !== '' ); + } catch (e) { + // If a Tech doesn't yet have canPlayType just add it + return true; + } + }); + //Sort sources + this.currentSources = src.sort(compareResolutions); + this.groupedSrc = bucketSources(this.currentSources); + // Pick one by default + var chosen = chooseSrc(this.groupedSrc, this.currentSources); + this.currentResolutionState = { + label: chosen.label, + sources: chosen.sources + }; + + player.trigger('updateSources'); + player.setSourcesSanitized(chosen.sources, chosen.label); + player.trigger('resolutionchange'); + return player; + }; + + /** + * Returns current resolution or sets one when label is specified + * @param {String} [label] label name + * @param {Function} [customSourcePicker] custom function to choose source. Takes 2 arguments: sources, label. Must return player object. + * @returns {Object} current resolution object {label: '', sources: []} if used as getter or player object if used as setter + */ + player.currentResolution = function(label, customSourcePicker){ + if(label == null) { return this.currentResolutionState; } + + // Lookup sources for label + if(!this.groupedSrc || !this.groupedSrc.label || !this.groupedSrc.label[label]){ + return; + } + var sources = this.groupedSrc.label[label]; + // Remember player state + var currentTime = player.currentTime(); + var isPaused = player.paused(); + + // Hide bigPlayButton + if(!isPaused && this.player_.options_.bigPlayButton){ + this.player_.bigPlayButton.hide(); + } + + // Change player source and wait for loadeddata event, then play video + // loadedmetadata doesn't work right now for flash. + // Probably because of https://github.com/videojs/video-js-swf/issues/124 + // If player preload is 'none' and then loadeddata not fired. So, we need timeupdate event for seek handle (timeupdate doesn't work properly with flash) + var handleSeekEvent = 'loadeddata'; + if(this.player_.techName_ !== 'Youtube' && this.player_.preload() === 'none' && this.player_.techName_ !== 'Flash') { + handleSeekEvent = 'timeupdate'; + } + player + .setSourcesSanitized(sources, label, customSourcePicker || settings.customSourcePicker) + .one(handleSeekEvent, function() { + player.currentTime(currentTime); + player.handleTechSeeked_(); + if(!isPaused){ + // Start playing and hide loadingSpinner (flash issue ?) + player.play().handleTechSeeked_(); + } + player.trigger('resolutionchange'); + }); + return player; + }; + + /** + * Returns grouped sources by label, resolution and type + * @returns {Object} grouped sources: { label: { key: [] }, res: { key: [] }, type: { key: [] } } + */ + player.getGroupedSrc = function(){ + return this.groupedSrc; + }; + + player.setSourcesSanitized = function(sources, label, customSourcePicker) { + this.currentResolutionState = { + label: label, + sources: sources + }; + if(typeof customSourcePicker === 'function'){ + return customSourcePicker(player, sources, label); + } + player.src(sources.map(function(src) { + return {src: src.src, type: src.type, res: src.res}; + })); + return player; + }; + + /** + * Method used for sorting list of sources + * @param {Object} a - source object with res property + * @param {Object} b - source object with res property + * @returns {Number} result of comparation + */ + function compareResolutions(a, b){ + if(!a.res || !b.res){ return 0; } + return (+b.res)-(+a.res); + } + + /** + * Group sources by label, resolution and type + * @param {Array} src Array of sources + * @returns {Object} grouped sources: { label: { key: [] }, res: { key: [] }, type: { key: [] } } + */ + function bucketSources(src){ + var resolutions = { + label: {}, + res: {}, + type: {} + }; + src.map(function(source) { + initResolutionKey(resolutions, 'label', source); + initResolutionKey(resolutions, 'res', source); + initResolutionKey(resolutions, 'type', source); + + appendSourceToKey(resolutions, 'label', source); + appendSourceToKey(resolutions, 'res', source); + appendSourceToKey(resolutions, 'type', source); + }); + return resolutions; + } + + function initResolutionKey(resolutions, key, source) { + if(resolutions[key][source[key]] == null) { + resolutions[key][source[key]] = []; + } + } + + function appendSourceToKey(resolutions, key, source) { + resolutions[key][source[key]].push(source); + } + + /** + * Choose src if option.default is specified + * @param {Object} groupedSrc {res: { key: [] }} + * @param {Array} src Array of sources sorted by resolution used to find high and low res + * @returns {Object} {res: string, sources: []} + */ + function chooseSrc(groupedSrc, src){ + var selectedRes = settings['default']; // use array access as default is a reserved keyword + var selectedLabel = ''; + if (selectedRes === 'high') { + selectedRes = src[0].res; + selectedLabel = src[0].label; + } else if (selectedRes === 'low' || selectedRes == null || !groupedSrc.res[selectedRes]) { + // Select low-res if default is low or not set + selectedRes = src[src.length - 1].res; + selectedLabel = src[src.length -1].label; + } else if (groupedSrc.res[selectedRes]) { + selectedLabel = groupedSrc.res[selectedRes][0].label; + } + + return {res: selectedRes, label: selectedLabel, sources: groupedSrc.res[selectedRes]}; + } + + function initResolutionForYt(player){ + // Map youtube qualities names + var _yts = { + highres: {res: 1080, label: '1080', yt: 'highres'}, + hd1080: {res: 1080, label: '1080', yt: 'hd1080'}, + hd720: {res: 720, label: '720', yt: 'hd720'}, + large: {res: 480, label: '480', yt: 'large'}, + medium: {res: 360, label: '360', yt: 'medium'}, + small: {res: 240, label: '240', yt: 'small'}, + tiny: {res: 144, label: '144', yt: 'tiny'}, + auto: {res: 0, label: 'auto', yt: 'auto'} + }; + // Overwrite default sourcePicker function + var _customSourcePicker = function(_player, _sources, _label){ + // Note that setPlayebackQuality is a suggestion. YT does not always obey it. + player.tech_.ytPlayer.setPlaybackQuality(_sources[0]._yt); + player.trigger('updateSources'); + return player; + }; + settings.customSourcePicker = _customSourcePicker; + + // Init resolution + player.tech_.ytPlayer.setPlaybackQuality('auto'); + + // This is triggered when the resolution actually changes + player.tech_.ytPlayer.addEventListener('onPlaybackQualityChange', function(event){ + for(var res in _yts) { + if(res.yt === event.data) { + player.currentResolution(res.label, _customSourcePicker); + return; + } + } + }); + + // We must wait for play event + player.one('play', function(){ + var qualities = player.tech_.ytPlayer.getAvailableQualityLevels(); + var _sources = []; + + qualities.map(function(q){ + _sources.push({ + src: player.src().src, + type: player.src().type, + label: _yts[q].label, + res: _yts[q].res, + _yt: _yts[q].yt + }); + }); + + player.groupedSrc = bucketSources(_sources); + var chosen = {label: 'auto', res: 0, sources: player.groupedSrc.label.auto}; + + this.currentResolutionState = { + label: chosen.label, + sources: chosen.sources + }; + + player.trigger('updateSources'); + player.setSourcesSanitized(chosen.sources, chosen.label, _customSourcePicker); + }); + } + + player.ready(function(){ + if( settings.ui ) { + var menuButton = new ResolutionMenuButton(player, settings); + player.controlBar.resolutionSwitcher = player.controlBar.el_.insertBefore(menuButton.el_, player.controlBar.getChild('fullscreenToggle').el_); + player.controlBar.resolutionSwitcher.dispose = function(){ + this.parentNode.removeChild(this); + }; + } + if(player.options_.sources.length > 1){ + // tech: Html5 and Flash + // Create resolution switcher for videos form <source> tag inside <video> + player.updateSrc(player.options_.sources); + } + + if(player.techName_ === 'Youtube'){ + // tech: YouTube + initResolutionForYt(player); + } + }); + + }; + + // register the plugin + videojs.plugin('videoJsResolutionSwitcher', videoJsResolutionSwitcher); + })(window, videojs); })();