mirror of
https://github.com/kmoskwiak/videojs-resolution-switcher.git
synced 2025-10-03 09:49:21 +02:00
275 lines
10 KiB
JavaScript
275 lines
10 KiB
JavaScript
/*! videojs-resolution-switcher - v0.0.0 - 2015-7-26
|
|
* Copyright (c) 2015 Kasper Moskwiak
|
|
* Modified by Pierre Kraft
|
|
* 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 defaults = {},
|
|
videoJsResolutionSwitcher,
|
|
currentResolution = {}, // stores current resolution
|
|
menuItemsHolder = {}; // stores menuItems
|
|
|
|
function setSourcesSanitized(player, sources, label, customSourcePicker) {
|
|
currentResolution = {
|
|
label: label,
|
|
sources: sources
|
|
};
|
|
if(typeof customSourcePicker === 'function'){
|
|
return customSourcePicker(player, sources, label);
|
|
}
|
|
return player.src(sources.map(function(src) {
|
|
return {src: src.src, type: src.type, res: src.res};
|
|
}));
|
|
}
|
|
|
|
/*
|
|
* Resolution menu item
|
|
*/
|
|
var MenuItem = videojs.getComponent('MenuItem');
|
|
var ResolutionMenuItem = videojs.extend(MenuItem, {
|
|
constructor: function(player, options, onClickListener, label){
|
|
this.onClickListener = onClickListener;
|
|
this.label = label;
|
|
// Sets this.player_, this.options_ and initializes the component
|
|
MenuItem.call(this, player, options);
|
|
this.src = options.src;
|
|
|
|
this.on('click', this.onClick);
|
|
this.on('touchstart', this.onClick);
|
|
|
|
if (options.initialySelected) {
|
|
this.showAsLabel();
|
|
this.selected(true);
|
|
}
|
|
},
|
|
showAsLabel: function() {
|
|
// Change menu button label to the label of this item if the menu button label is provided
|
|
if(this.label) {
|
|
this.label.innerHTML = this.options_.label;
|
|
}
|
|
},
|
|
onClick: function(customSourcePicker){
|
|
this.onClickListener(this);
|
|
// Remember player state
|
|
var currentTime = this.player_.currentTime();
|
|
var isPaused = this.player_.paused();
|
|
this.showAsLabel();
|
|
// Hide bigPlayButton
|
|
if(!isPaused){
|
|
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_.preload() == 'none' && this.player_.techName_ != 'Flash') {
|
|
handleSeekEvent = 'timeupdate';
|
|
}
|
|
setSourcesSanitized(this.player_, this.src, this.options_.label, customSourcePicker).one(handleSeekEvent, function() {
|
|
this.player_.currentTime(currentTime);
|
|
this.player_.handleTechSeeked_();
|
|
if(!isPaused){
|
|
// Start playing and hide loadingSpinner (flash issue ?)
|
|
this.player_.play().handleTechSeeked_();
|
|
}
|
|
this.player_.trigger('resolutionchange');
|
|
});
|
|
}
|
|
});
|
|
|
|
|
|
/*
|
|
* Resolution menu button
|
|
*/
|
|
var MenuButton = videojs.getComponent('MenuButton');
|
|
var ResolutionMenuButton = videojs.extend(MenuButton, {
|
|
constructor: function(player, options, settings, label){
|
|
this.sources = options.sources;
|
|
this.label = label;
|
|
this.label.innerHTML = options.initialySelectedLabel;
|
|
// Sets this.player_, this.options_ and initializes the component
|
|
MenuButton.call(this, player, options);
|
|
this.controlText('Quality');
|
|
|
|
if(settings.dynamicLabel){
|
|
this.el().appendChild(label);
|
|
}else{
|
|
var staticLabel = document.createElement('span');
|
|
staticLabel.classList.add('vjs-resolution-button-staticlabel');
|
|
this.el().appendChild(staticLabel);
|
|
}
|
|
},
|
|
createItems: function(){
|
|
var menuItems = [];
|
|
var labels = (this.sources && this.sources.label) || {};
|
|
var onClickUnselectOthers = function(clickedItem) {
|
|
menuItems.map(function(item) {
|
|
item.selected(item === clickedItem);
|
|
});
|
|
};
|
|
|
|
for (var key in labels) {
|
|
if (labels.hasOwnProperty(key)) {
|
|
menuItems.push(new ResolutionMenuItem(
|
|
this.player_,
|
|
{
|
|
label: key,
|
|
src: labels[key],
|
|
initialySelected: key === this.options_.initialySelectedLabel
|
|
},
|
|
onClickUnselectOthers,
|
|
this.label));
|
|
// Store menu item for API calls
|
|
menuItemsHolder[key] = menuItems[menuItems.length - 1];
|
|
}
|
|
}
|
|
return menuItems;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Initialize the plugin.
|
|
* @param {object} [options] configuration for the plugin
|
|
*/
|
|
videoJsResolutionSwitcher = function(options) {
|
|
var settings = videojs.mergeOptions(defaults, options),
|
|
player = this,
|
|
label = document.createElement('span');
|
|
|
|
label.classList.add('vjs-resolution-button-label');
|
|
|
|
/**
|
|
* 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(); }
|
|
// Dispose old resolution menu button before adding new sources
|
|
if(player.controlBar.resolutionSwitcher){
|
|
player.controlBar.resolutionSwitcher.dispose();
|
|
delete player.controlBar.resolutionSwitcher;
|
|
}
|
|
//Sort sources
|
|
src = src.sort(compareResolutions);
|
|
var groupedSrc = bucketSources(src);
|
|
var choosen = chooseSrc(groupedSrc, src);
|
|
var menuButton = new ResolutionMenuButton(player, { sources: groupedSrc, initialySelectedLabel: choosen.label , initialySelectedRes: choosen.res }, settings, label);
|
|
menuButton.el().classList.add('vjs-resolution-button');
|
|
player.controlBar.resolutionSwitcher = player.controlBar.addChild(menuButton);
|
|
return setSourcesSanitized(player, choosen.sources, choosen.label);
|
|
};
|
|
|
|
/**
|
|
* Returns current resolution or sets one when label is specified
|
|
* @param {String} [label] label name
|
|
* @param {Function} [customSourcePicker] custom function to choose source. Takes 3 arguments: player, 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 currentResolution; }
|
|
if(menuItemsHolder[label] != null){
|
|
menuItemsHolder[label].onClick(customSourcePicker);
|
|
}
|
|
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) {
|
|
// 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;
|
|
}
|
|
|
|
if(selectedRes === undefined){
|
|
return {res: selectedRes, label: selectedLabel, sources: groupedSrc.label[selectedLabel]};
|
|
}
|
|
return {res: selectedRes, label: selectedLabel, sources: groupedSrc.res[selectedRes]};
|
|
}
|
|
|
|
// Create resolution switcher for videos form <source> tag inside <video>
|
|
if(player.options_.sources.length > 1){
|
|
// Wait for player ready event
|
|
player.ready(function(){
|
|
player.updateSrc(player.options_.sources);
|
|
});
|
|
}
|
|
|
|
};
|
|
|
|
// register the plugin
|
|
videojs.plugin('videoJsResolutionSwitcher', videoJsResolutionSwitcher);
|
|
})(window, videojs);
|
|
})();
|