Add video js resolution switcher
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c4e6824a8a
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36
static/videojs-resolution-switcher.css
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36
static/videojs-resolution-switcher.css
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.vjs-resolution-button {
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color: #ccc;
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font-family: VideoJS;
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}
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.vjs-resolution-button .vjs-resolution-button-staticlabel:before {
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content: '\f110';
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font-size: 1.8em;
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}
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.vjs-resolution-button .vjs-resolution-button-label {
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font-size: 1em;
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line-height: 3em;
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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text-align: center;
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box-sizing: inherit;
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font-family: Arial, Helvetica, sans-serif;
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}
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.vjs-resolution-button ul.vjs-menu-content {
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width: 4em !important;
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}
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.vjs-resolution-button .vjs-menu {
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left: 0;
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}
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.vjs-resolution-button .vjs-menu li {
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text-transform: none;
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font-size: 1em;
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font-family: Arial, Helvetica, sans-serif;
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}
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static/videojs-resolution-switcher.js
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361
static/videojs-resolution-switcher.js
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/*! videojs-resolution-switcher - 2015-7-26
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* Copyright (c) 2016 Kasper Moskwiak
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* Modified by Pierre Kraft
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* Licensed under the Apache-2.0 license. */
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(function() {
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/* jshint eqnull: true*/
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/* global require */
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'use strict';
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var videojs = null;
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if(typeof window.videojs === 'undefined' && typeof require === 'function') {
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videojs = require('video.js');
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} else {
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videojs = window.videojs;
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}
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(function(window, videojs) {
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var defaults = {},
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videoJsResolutionSwitcher,
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currentResolution = {}, // stores current resolution
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menuItemsHolder = {}; // stores menuItems
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function setSourcesSanitized(player, sources, label, customSourcePicker) {
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currentResolution = {
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label: label,
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sources: sources
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};
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if(typeof customSourcePicker === 'function'){
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return customSourcePicker(player, sources, label);
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}
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return player.src(sources.map(function(src) {
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return {src: src.src, type: src.type, res: src.res};
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}));
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}
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/*
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* Resolution menu item
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*/
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var MenuItem = videojs.getComponent('MenuItem');
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var ResolutionMenuItem = videojs.extend(MenuItem, {
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constructor: function(player, options, onClickListener, label){
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this.onClickListener = onClickListener;
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this.label = label;
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// Sets this.player_, this.options_ and initializes the component
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MenuItem.call(this, player, options);
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this.src = options.src;
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this.on('click', this.onClick);
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this.on('touchstart', this.onClick);
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if (options.initialySelected) {
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this.showAsLabel();
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this.selected(true);
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this.addClass('vjs-selected');
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}
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},
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showAsLabel: function() {
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// Change menu button label to the label of this item if the menu button label is provided
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if(this.label) {
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this.label.innerHTML = this.options_.label;
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}
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},
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onClick: function(customSourcePicker){
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this.onClickListener(this);
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// Remember player state
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var currentTime = this.player_.currentTime();
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var isPaused = this.player_.paused();
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this.showAsLabel();
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// add .current class
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this.addClass('vjs-selected');
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// Hide bigPlayButton
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if(!isPaused){
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this.player_.bigPlayButton.hide();
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}
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if(typeof customSourcePicker !== 'function' &&
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typeof this.options_.customSourcePicker === 'function'){
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customSourcePicker = this.options_.customSourcePicker;
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}
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// Change player source and wait for loadeddata event, then play video
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// loadedmetadata doesn't work right now for flash.
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// Probably because of https://github.com/videojs/video-js-swf/issues/124
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// 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)
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var handleSeekEvent = 'loadeddata';
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if(this.player_.techName_ !== 'Youtube' && this.player_.preload() === 'none' && this.player_.techName_ !== 'Flash') {
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handleSeekEvent = 'timeupdate';
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}
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setSourcesSanitized(this.player_, this.src, this.options_.label, customSourcePicker).one(handleSeekEvent, function() {
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this.player_.currentTime(currentTime);
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this.player_.handleTechSeeked_();
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if(!isPaused){
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// Start playing and hide loadingSpinner (flash issue ?)
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this.player_.play().handleTechSeeked_();
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}
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this.player_.trigger('resolutionchange');
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});
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}
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});
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/*
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* Resolution menu button
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*/
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var MenuButton = videojs.getComponent('MenuButton');
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var ResolutionMenuButton = videojs.extend(MenuButton, {
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constructor: function(player, options, settings, label){
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this.sources = options.sources;
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this.label = label;
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this.label.innerHTML = options.initialySelectedLabel;
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// Sets this.player_, this.options_ and initializes the component
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MenuButton.call(this, player, options, settings);
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this.controlText('Quality');
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if(settings.dynamicLabel){
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this.el().appendChild(label);
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}else{
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var staticLabel = document.createElement('span');
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videojs.addClass(staticLabel, 'vjs-resolution-button-staticlabel');
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this.el().appendChild(staticLabel);
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}
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},
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createItems: function(){
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var menuItems = [];
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var labels = (this.sources && this.sources.label) || {};
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var onClickUnselectOthers = function(clickedItem) {
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menuItems.map(function(item) {
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item.selected(item === clickedItem);
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item.removeClass('vjs-selected');
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});
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};
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for (var key in labels) {
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if (labels.hasOwnProperty(key)) {
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menuItems.push(new ResolutionMenuItem(
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this.player_,
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{
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label: key,
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src: labels[key],
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initialySelected: key === this.options_.initialySelectedLabel,
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customSourcePicker: this.options_.customSourcePicker
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},
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onClickUnselectOthers,
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this.label));
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// Store menu item for API calls
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menuItemsHolder[key] = menuItems[menuItems.length - 1];
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}
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}
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return menuItems;
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}
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});
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/**
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* Initialize the plugin.
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* @param {object} [options] configuration for the plugin
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*/
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videoJsResolutionSwitcher = function(options) {
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var settings = videojs.mergeOptions(defaults, options),
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player = this,
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label = document.createElement('span'),
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groupedSrc = {};
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videojs.addClass(label, 'vjs-resolution-button-label');
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/**
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* Updates player sources or returns current source URL
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* @param {Array} [src] array of sources [{src: '', type: '', label: '', res: ''}]
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* @returns {Object|String|Array} videojs player object if used as setter or current source URL, object, or array of sources
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*/
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player.updateSrc = function(src){
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//Return current src if src is not given
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if(!src){ return player.src(); }
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// Dispose old resolution menu button before adding new sources
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if(player.controlBar.resolutionSwitcher){
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player.controlBar.resolutionSwitcher.dispose();
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delete player.controlBar.resolutionSwitcher;
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}
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//Sort sources
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src = src.sort(compareResolutions);
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groupedSrc = bucketSources(src);
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var choosen = chooseSrc(groupedSrc, src);
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var menuButton = new ResolutionMenuButton(player, { sources: groupedSrc, initialySelectedLabel: choosen.label , initialySelectedRes: choosen.res , customSourcePicker: settings.customSourcePicker}, settings, label);
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videojs.addClass(menuButton.el(), 'vjs-resolution-button');
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player.controlBar.resolutionSwitcher = player.controlBar.el_.insertBefore(menuButton.el_, player.controlBar.getChild('fullscreenToggle').el_);
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player.controlBar.resolutionSwitcher.dispose = function(){
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this.parentNode.removeChild(this);
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};
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return setSourcesSanitized(player, choosen.sources, choosen.label);
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};
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/**
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* Returns current resolution or sets one when label is specified
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* @param {String} [label] label name
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* @param {Function} [customSourcePicker] custom function to choose source. Takes 3 arguments: player, sources, label. Must return player object.
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* @returns {Object} current resolution object {label: '', sources: []} if used as getter or player object if used as setter
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*/
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player.currentResolution = function(label, customSourcePicker){
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if(label == null) { return currentResolution; }
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if(menuItemsHolder[label] != null){
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menuItemsHolder[label].onClick(customSourcePicker);
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}
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return player;
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};
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/**
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* Returns grouped sources by label, resolution and type
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* @returns {Object} grouped sources: { label: { key: [] }, res: { key: [] }, type: { key: [] } }
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*/
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player.getGroupedSrc = function(){
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return groupedSrc;
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};
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/**
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* Method used for sorting list of sources
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* @param {Object} a - source object with res property
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* @param {Object} b - source object with res property
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* @returns {Number} result of comparation
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*/
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function compareResolutions(a, b){
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if(!a.res || !b.res){ return 0; }
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return (+b.res)-(+a.res);
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}
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/**
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* Group sources by label, resolution and type
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* @param {Array} src Array of sources
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* @returns {Object} grouped sources: { label: { key: [] }, res: { key: [] }, type: { key: [] } }
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*/
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function bucketSources(src){
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var resolutions = {
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label: {},
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res: {},
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type: {}
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};
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src.map(function(source) {
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initResolutionKey(resolutions, 'label', source);
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initResolutionKey(resolutions, 'res', source);
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initResolutionKey(resolutions, 'type', source);
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appendSourceToKey(resolutions, 'label', source);
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appendSourceToKey(resolutions, 'res', source);
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appendSourceToKey(resolutions, 'type', source);
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});
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return resolutions;
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}
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function initResolutionKey(resolutions, key, source) {
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if(resolutions[key][source[key]] == null) {
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resolutions[key][source[key]] = [];
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}
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}
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function appendSourceToKey(resolutions, key, source) {
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resolutions[key][source[key]].push(source);
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}
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/**
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* Choose src if option.default is specified
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* @param {Object} groupedSrc {res: { key: [] }}
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* @param {Array} src Array of sources sorted by resolution used to find high and low res
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* @returns {Object} {res: string, sources: []}
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*/
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function chooseSrc(groupedSrc, src){
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var selectedRes = settings['default']; // use array access as default is a reserved keyword
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var selectedLabel = '';
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if (selectedRes === 'high') {
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selectedRes = src[0].res;
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selectedLabel = src[0].label;
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} else if (selectedRes === 'low' || selectedRes == null) {
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// Select low-res if default is low or not set
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selectedRes = src[src.length - 1].res;
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selectedLabel = src[src.length -1].label;
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} else if (groupedSrc.res[selectedRes]) {
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selectedLabel = groupedSrc.res[selectedRes][0].label;
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}
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if(selectedRes === undefined){
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return {res: selectedRes, label: selectedLabel, sources: groupedSrc.label[selectedLabel]};
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}
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return {res: selectedRes, label: selectedLabel, sources: groupedSrc.res[selectedRes]};
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}
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function initResolutionForYt(player){
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// Init resolution
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player.tech_.ytPlayer.setPlaybackQuality('default');
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// Capture events
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player.tech_.ytPlayer.addEventListener('onPlaybackQualityChange', function(){
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player.trigger('resolutionchange');
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});
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// We must wait for play event
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player.one('play', function(){
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var qualities = player.tech_.ytPlayer.getAvailableQualityLevels();
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// Map youtube qualities names
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var _yts = {
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highres: {res: 1080, label: '1080', yt: 'highres'},
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hd1080: {res: 1080, label: '1080', yt: 'hd1080'},
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hd720: {res: 720, label: '720', yt: 'hd720'},
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large: {res: 480, label: '480', yt: 'large'},
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medium: {res: 360, label: '360', yt: 'medium'},
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small: {res: 240, label: '240', yt: 'small'},
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tiny: {res: 144, label: '144', yt: 'tiny'},
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auto: {res: 0, label: 'auto', yt: 'default'}
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};
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var _sources = [];
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qualities.map(function(q){
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_sources.push({
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src: player.src().src,
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type: player.src().type,
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label: _yts[q].label,
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res: _yts[q].res,
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_yt: _yts[q].yt
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});
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});
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groupedSrc = bucketSources(_sources);
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// Overwrite defualt sourcePicer function
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var _customSourcePicker = function(_player, _sources, _label){
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player.tech_.ytPlayer.setPlaybackQuality(_sources[0]._yt);
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return player;
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};
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var choosen = {label: 'auto', res: 0, sources: groupedSrc.label.auto};
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var menuButton = new ResolutionMenuButton(player, {
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sources: groupedSrc,
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initialySelectedLabel: choosen.label,
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initialySelectedRes: choosen.res,
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customSourcePicker: _customSourcePicker
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}, settings, label);
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menuButton.el().classList.add('vjs-resolution-button');
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player.controlBar.resolutionSwitcher = player.controlBar.addChild(menuButton);
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});
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}
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player.ready(function(){
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if(player.options_.sources.length > 1){
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// tech: Html5 and Flash
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// Create resolution switcher for videos form <source> tag inside <video>
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player.updateSrc(player.options_.sources);
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}
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||||||
|
if(player.techName_ === 'Youtube'){
|
||||||
|
// tech: YouTube
|
||||||
|
initResolutionForYt(player);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
// register the plugin
|
||||||
|
videojs.plugin('videoJsResolutionSwitcher', videoJsResolutionSwitcher);
|
||||||
|
})(window, videojs);
|
||||||
|
})();
|
||||||
Loading…
Reference in New Issue
Block a user