1456 lines
39 KiB
JavaScript
1456 lines
39 KiB
JavaScript
(function(webshims){
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"use strict";
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var support = webshims.support;
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var hasNative = support.mediaelement;
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var supportsLoop = false;
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var bugs = webshims.bugs;
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var swfType = 'mediaelement-jaris';
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var loadSwf = function(){
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webshims.ready(swfType, function(){
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if(!webshims.mediaelement.createSWF){
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webshims.mediaelement.loadSwf = true;
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webshims.reTest([swfType], hasNative);
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}
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});
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};
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var wsCfg = webshims.cfg;
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var options = wsCfg.mediaelement;
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var isIE = navigator.userAgent.indexOf('MSIE') != -1;
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if(!options){
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webshims.error("mediaelement wasn't implemented but loaded");
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return;
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}
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if(hasNative){
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var videoElem = document.createElement('video');
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support.videoBuffered = ('buffered' in videoElem);
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support.mediaDefaultMuted = ('defaultMuted' in videoElem);
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supportsLoop = ('loop' in videoElem);
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support.mediaLoop = supportsLoop;
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webshims.capturingEvents(['play', 'playing', 'waiting', 'paused', 'ended', 'durationchange', 'loadedmetadata', 'canplay', 'volumechange']);
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if( !support.videoBuffered || !supportsLoop || (!support.mediaDefaultMuted && isIE && 'ActiveXObject' in window) ){
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webshims.addPolyfill('mediaelement-native-fix', {
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d: ['dom-support']
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});
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webshims.loader.loadList(['mediaelement-native-fix']);
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}
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}
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if(support.track && !bugs.track){
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(function(){
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if(!bugs.track){
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if(window.VTTCue && !window.TextTrackCue){
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window.TextTrackCue = window.VTTCue;
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} else if(!window.VTTCue){
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window.VTTCue = window.TextTrackCue;
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}
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try {
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new VTTCue(2, 3, '');
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} catch(e){
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bugs.track = true;
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}
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}
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})();
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}
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if(window.CanvasRenderingContext2D && CanvasRenderingContext2D.prototype){
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CanvasRenderingContext2D.prototype.wsImageComplete = function(cb){
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cb.call(this, this);
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};
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}
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webshims.register('mediaelement-core', function($, webshims, window, document, undefined, options){
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var hasSwf = swfmini.hasFlashPlayerVersion('11.3');
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var mediaelement = webshims.mediaelement;
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var allowYtLoading = false;
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mediaelement.parseRtmp = function(data){
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var src = data.src.split('://');
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var paths = src[1].split('/');
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var i, len, found;
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data.server = src[0]+'://'+paths[0]+'/';
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data.streamId = [];
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for(i = 1, len = paths.length; i < len; i++){
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if(!found && paths[i].indexOf(':') !== -1){
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paths[i] = paths[i].split(':')[1];
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found = true;
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}
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if(!found){
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data.server += paths[i]+'/';
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} else {
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data.streamId.push(paths[i]);
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}
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}
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if(!data.streamId.length){
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webshims.error('Could not parse rtmp url');
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}
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data.streamId = data.streamId.join('/');
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};
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var getSrcObj = function(elem, nodeName){
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elem = $(elem);
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var src = {src: elem.attr('src') || '', elem: elem, srcProp: elem.prop('src')};
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var tmp;
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if(!src.src){return src;}
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tmp = elem.attr('data-server');
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if(tmp != null){
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src.server = tmp;
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}
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tmp = elem.attr('type') || elem.attr('data-type');
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if(tmp){
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src.type = tmp;
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src.container = $.trim(tmp.split(';')[0]);
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} else {
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if(!nodeName){
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nodeName = elem[0].nodeName.toLowerCase();
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if(nodeName == 'source'){
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nodeName = (elem.closest('video, audio')[0] || {nodeName: 'video'}).nodeName.toLowerCase();
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}
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}
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if(src.server){
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src.type = nodeName+'/rtmp';
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src.container = nodeName+'/rtmp';
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} else {
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tmp = mediaelement.getTypeForSrc( src.src, nodeName, src );
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if(tmp){
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src.type = tmp;
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src.container = tmp;
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}
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}
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}
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tmp = elem.attr('media');
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if(tmp){
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src.media = tmp;
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}
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if(src.type == 'audio/rtmp' || src.type == 'video/rtmp'){
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if(src.server){
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src.streamId = src.src;
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} else {
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mediaelement.parseRtmp(src);
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}
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}
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return src;
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};
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var hasYt = !hasSwf && ('postMessage' in window) && hasNative;
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var loadTrackUi = function(){
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if(loadTrackUi.loaded){return;}
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loadTrackUi.loaded = true;
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if(!options.noAutoTrack){
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webshims.ready('WINDOWLOAD', function(){
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loadThird();
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webshims.loader.loadList(['track-ui']);
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});
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}
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};
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var loadYt = (function(){
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var loaded;
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return function(){
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if(loaded || !hasYt){return;}
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loaded = true;
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if(allowYtLoading){
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webshims.loader.loadScript("https://www.youtube.com/player_api");
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}
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$(function(){
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webshims._polyfill(["mediaelement-yt"]);
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});
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};
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})();
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var loadThird = function(){
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if(hasSwf){
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loadSwf();
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} else {
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loadYt();
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}
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};
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webshims.addPolyfill('mediaelement-yt', {
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test: !hasYt,
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d: ['dom-support']
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});
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mediaelement.mimeTypes = {
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audio: {
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//ogm shouldn´t be used!
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'audio/ogg': ['ogg','oga', 'ogm'],
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'audio/ogg;codecs="opus"': 'opus',
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'audio/mpeg': ['mp2','mp3','mpga','mpega'],
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'audio/mp4': ['mp4','mpg4', 'm4r', 'm4a', 'm4p', 'm4b', 'aac'],
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'audio/wav': ['wav'],
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'audio/3gpp': ['3gp','3gpp'],
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'audio/webm': ['webm'],
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'audio/fla': ['flv', 'f4a', 'fla'],
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'application/x-mpegURL': ['m3u8', 'm3u']
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},
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video: {
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//ogm shouldn´t be used!
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'video/ogg': ['ogg','ogv', 'ogm'],
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'video/mpeg': ['mpg','mpeg','mpe'],
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'video/mp4': ['mp4','mpg4', 'm4v'],
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'video/quicktime': ['mov','qt'],
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'video/x-msvideo': ['avi'],
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'video/x-ms-asf': ['asf', 'asx'],
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'video/flv': ['flv', 'f4v'],
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'video/3gpp': ['3gp','3gpp'],
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'video/webm': ['webm'],
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'application/x-mpegURL': ['m3u8', 'm3u'],
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'video/MP2T': ['ts']
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}
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}
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;
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mediaelement.mimeTypes.source = $.extend({}, mediaelement.mimeTypes.audio, mediaelement.mimeTypes.video);
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mediaelement.getTypeForSrc = function(src, nodeName){
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if(src.indexOf('youtube.com/watch?') != -1 || src.indexOf('youtube.com/v/') != -1){
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return 'video/youtube';
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}
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if(!src.indexOf('mediastream:') || !src.indexOf('blob:http')){
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return 'usermedia';
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}
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if(!src.indexOf('webshimstream')){
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return 'jarisplayer/stream';
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}
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if(!src.indexOf('rtmp')){
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return nodeName+'/rtmp';
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}
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src = src.split('?')[0].split('#')[0].split('.');
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src = src[src.length - 1];
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var mt;
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$.each(mediaelement.mimeTypes[nodeName], function(mimeType, exts){
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if(exts.indexOf(src) !== -1){
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mt = mimeType;
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return false;
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}
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});
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return mt;
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};
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mediaelement.srces = function(mediaElem){
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var srces = [];
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mediaElem = $(mediaElem);
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var nodeName = mediaElem[0].nodeName.toLowerCase();
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var src = getSrcObj(mediaElem, nodeName);
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if(!src.src){
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$('source', mediaElem).each(function(){
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src = getSrcObj(this, nodeName);
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if(src.src){srces.push(src);}
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});
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} else {
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srces.push(src);
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}
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return srces;
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};
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mediaelement.swfMimeTypes = ['video/3gpp', 'video/x-msvideo', 'video/quicktime', 'video/x-m4v', 'video/mp4', 'video/m4p', 'video/x-flv', 'video/flv', 'audio/mpeg', 'audio/aac', 'audio/mp4', 'audio/x-m4a', 'audio/m4a', 'audio/mp3', 'audio/x-fla', 'audio/fla', 'youtube/flv', 'video/jarisplayer', 'jarisplayer/jarisplayer', 'jarisplayer/stream', 'video/youtube', 'video/rtmp', 'audio/rtmp'];
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mediaelement.canThirdPlaySrces = function(mediaElem, srces){
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var ret = '';
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if(hasSwf || hasYt){
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mediaElem = $(mediaElem);
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srces = srces || mediaelement.srces(mediaElem);
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$.each(srces, function(i, src){
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if(src.container && src.src && ((hasSwf && mediaelement.swfMimeTypes.indexOf(src.container) != -1) || (hasYt && src.container == 'video/youtube'))){
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ret = src;
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return false;
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}
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});
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}
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return ret;
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};
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var nativeCanPlayType = {};
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mediaelement.canNativePlaySrces = function(mediaElem, srces){
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var ret = '';
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if(hasNative){
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mediaElem = $(mediaElem);
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var nodeName = (mediaElem[0].nodeName || '').toLowerCase();
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var nativeCanPlay = (nativeCanPlayType[nodeName] || {prop: {_supvalue: false}}).prop._supvalue || mediaElem[0].canPlayType;
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if(!nativeCanPlay){return ret;}
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srces = srces || mediaelement.srces(mediaElem);
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$.each(srces, function(i, src){
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if(src.type == 'usermedia' || (src.type && nativeCanPlay.call(mediaElem[0], src.type)) ){
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ret = src;
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return false;
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}
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});
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}
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return ret;
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||
};
|
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var emptyType = (/^\s*application\/octet\-stream\s*$/i);
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var getRemoveEmptyType = function(){
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var ret = emptyType.test($.attr(this, 'type') || '');
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if(ret){
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$(this).removeAttr('type');
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}
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return ret;
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};
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mediaelement.setError = function(elem, message){
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if($('source', elem).filter(getRemoveEmptyType).length){
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webshims.error('"application/octet-stream" is a useless mimetype for audio/video. Please change this attribute.');
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try {
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$(elem).mediaLoad();
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} catch(er){}
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} else {
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if(!message){
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message = "can't play sources";
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}
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$(elem).pause().data('mediaerror', message);
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webshims.error('mediaelementError: '+ message +'. Run the following line in your console to get more info: webshim.mediaelement.loadDebugger();');
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setTimeout(function(){
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if($(elem).data('mediaerror')){
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$(elem).addClass('media-error').trigger('mediaerror');
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}
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}, 1);
|
||
}
|
||
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||
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};
|
||
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var handleThird = (function(){
|
||
var requested;
|
||
var readyType = hasSwf ? swfType : 'mediaelement-yt';
|
||
return function( mediaElem, ret, data ){
|
||
//readd to ready
|
||
|
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webshims.ready(readyType, function(){
|
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if(mediaelement.createSWF && $(mediaElem).parent()[0]){
|
||
mediaelement.createSWF( mediaElem, ret, data );
|
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} else if(!requested) {
|
||
requested = true;
|
||
loadThird();
|
||
|
||
handleThird( mediaElem, ret, data );
|
||
}
|
||
});
|
||
if(!requested && hasYt && !mediaelement.createSWF){
|
||
allowYtLoading = true;
|
||
loadYt();
|
||
}
|
||
};
|
||
})();
|
||
|
||
var activate = {
|
||
native: function(elem, src, data){
|
||
if(data && data.isActive == 'third') {
|
||
mediaelement.setActive(elem, 'html5', data);
|
||
}
|
||
},
|
||
third: handleThird
|
||
};
|
||
|
||
var stepSources = function(elem, data, srces){
|
||
var i, src;
|
||
var testOrder = [{test: 'canNativePlaySrces', activate: 'native'}, {test: 'canThirdPlaySrces', activate: 'third'}];
|
||
if(options.preferFlash || (data && data.isActive == 'third') ){
|
||
testOrder.reverse();
|
||
}
|
||
for(i = 0; i < 2; i++){
|
||
src = mediaelement[testOrder[i].test](elem, srces);
|
||
if(src){
|
||
activate[testOrder[i].activate](elem, src, data);
|
||
break;
|
||
}
|
||
}
|
||
|
||
if(!src){
|
||
mediaelement.setError(elem, false);
|
||
if(data && data.isActive == 'third') {
|
||
mediaelement.setActive(elem, 'html5', data);
|
||
}
|
||
}
|
||
};
|
||
var stopParent = /^(?:embed|object|datalist|picture)$/i;
|
||
var selectSource = function(elem, data){
|
||
var baseData = webshims.data(elem, 'mediaelementBase') || webshims.data(elem, 'mediaelementBase', {});
|
||
var _srces = mediaelement.srces(elem);
|
||
var parent = elem.parentNode;
|
||
|
||
clearTimeout(baseData.loadTimer);
|
||
$(elem).removeClass('media-error');
|
||
$.data(elem, 'mediaerror', false);
|
||
|
||
if(!_srces.length || !parent || parent.nodeType != 1 || stopParent.test(parent.nodeName || '')){return;}
|
||
data = data || webshims.data(elem, 'mediaelement');
|
||
if(mediaelement.sortMedia){
|
||
_srces.sort(mediaelement.sortMedia);
|
||
}
|
||
stepSources(elem, data, _srces);
|
||
|
||
};
|
||
mediaelement.selectSource = selectSource;
|
||
|
||
|
||
$(document).on('ended', function(e){
|
||
var data = webshims.data(e.target, 'mediaelement');
|
||
if( supportsLoop && (!data || data.isActive == 'html5') && !$.prop(e.target, 'loop')){return;}
|
||
setTimeout(function(){
|
||
if( $.prop(e.target, 'paused') || !$.prop(e.target, 'loop') ){return;}
|
||
$(e.target).prop('currentTime', 0).play();
|
||
});
|
||
|
||
});
|
||
|
||
var handleMedia = false;
|
||
|
||
var initMediaElements = function(){
|
||
var testFixMedia = function(){
|
||
|
||
if(webshims.implement(this, 'mediaelement')){
|
||
selectSource(this);
|
||
if(!support.mediaDefaultMuted && $.attr(this, 'muted') != null){
|
||
$.prop(this, 'muted', true);
|
||
}
|
||
|
||
}
|
||
};
|
||
|
||
webshims.ready('dom-support', function(){
|
||
handleMedia = true;
|
||
|
||
if(!supportsLoop){
|
||
webshims.defineNodeNamesBooleanProperty(['audio', 'video'], 'loop');
|
||
}
|
||
|
||
['audio', 'video'].forEach(function(nodeName){
|
||
var supLoad;
|
||
supLoad = webshims.defineNodeNameProperty(nodeName, 'load', {
|
||
prop: {
|
||
value: function(){
|
||
var data = webshims.data(this, 'mediaelement');
|
||
|
||
selectSource(this, data);
|
||
if(hasNative && (!data || data.isActive == 'html5') && supLoad.prop._supvalue){
|
||
supLoad.prop._supvalue.apply(this, arguments);
|
||
}
|
||
if(!loadTrackUi.loaded && this.querySelector('track')){
|
||
loadTrackUi();
|
||
}
|
||
$(this).triggerHandler('wsmediareload');
|
||
}
|
||
}
|
||
});
|
||
|
||
nativeCanPlayType[nodeName] = webshims.defineNodeNameProperty(nodeName, 'canPlayType', {
|
||
prop: {
|
||
value: function(type){
|
||
var ret = '';
|
||
if(hasNative && nativeCanPlayType[nodeName].prop._supvalue){
|
||
ret = nativeCanPlayType[nodeName].prop._supvalue.call(this, type);
|
||
if(ret == 'no'){
|
||
ret = '';
|
||
}
|
||
}
|
||
if(!ret && hasSwf){
|
||
type = $.trim((type || '').split(';')[0]);
|
||
if(mediaelement.swfMimeTypes.indexOf(type) != -1){
|
||
ret = 'maybe';
|
||
}
|
||
}
|
||
if(!ret && hasYt && type == 'video/youtube'){
|
||
ret = 'maybe';
|
||
}
|
||
return ret;
|
||
}
|
||
}
|
||
});
|
||
});
|
||
|
||
|
||
webshims.onNodeNamesPropertyModify(['audio', 'video'], ['src', 'poster'], {
|
||
set: function(){
|
||
var elem = this;
|
||
var baseData = webshims.data(elem, 'mediaelementBase') || webshims.data(elem, 'mediaelementBase', {});
|
||
clearTimeout(baseData.loadTimer);
|
||
baseData.loadTimer = setTimeout(function(){
|
||
selectSource(elem);
|
||
elem = null;
|
||
}, 9);
|
||
}
|
||
});
|
||
|
||
|
||
webshims.addReady(function(context, insertedElement){
|
||
var media = $('video, audio', context)
|
||
.add(insertedElement.filter('video, audio'))
|
||
.each(testFixMedia)
|
||
;
|
||
if(!loadTrackUi.loaded && $('track', media).length){
|
||
loadTrackUi();
|
||
}
|
||
media = null;
|
||
});
|
||
});
|
||
|
||
if(hasNative && !handleMedia){
|
||
webshims.addReady(function(context, insertedElement){
|
||
if(!handleMedia){
|
||
$('video, audio', context)
|
||
.add(insertedElement.filter('video, audio'))
|
||
.each(function(){
|
||
if(!mediaelement.canNativePlaySrces(this)){
|
||
allowYtLoading = true;
|
||
loadThird();
|
||
handleMedia = true;
|
||
return false;
|
||
}
|
||
})
|
||
;
|
||
}
|
||
});
|
||
}
|
||
};
|
||
|
||
mediaelement.loadDebugger = function(){
|
||
webshims.ready('dom-support', function(){
|
||
webshims.loader.loadScript('mediaelement-debug');
|
||
});
|
||
};
|
||
|
||
if(({noCombo: 1, media: 1})[webshims.cfg.debug]){
|
||
$(document).on('mediaerror', function(e){
|
||
mediaelement.loadDebugger();
|
||
});
|
||
}
|
||
|
||
//set native implementation ready, before swf api is retested
|
||
if(hasNative){
|
||
webshims.isReady('mediaelement-core', true);
|
||
initMediaElements();
|
||
webshims.ready('WINDOWLOAD mediaelement', loadThird);
|
||
} else {
|
||
webshims.ready(swfType, initMediaElements);
|
||
}
|
||
webshims.ready('track', loadTrackUi);
|
||
|
||
if(document.readyState == 'complete'){
|
||
webshims.isReady('WINDOWLOAD', true);
|
||
}
|
||
});
|
||
|
||
})(webshims);
|
||
;webshims.register('track', function($, webshims, window, document, undefined){
|
||
"use strict";
|
||
var mediaelement = webshims.mediaelement;
|
||
var id = new Date().getTime();
|
||
//descriptions are not really shown, but they are inserted into the dom
|
||
var showTracks = {subtitles: 1, captions: 1, descriptions: 1};
|
||
var dummyTrack = $('<track />');
|
||
var support = webshims.support;
|
||
var supportTrackMod = support.ES5 && support.objectAccessor;
|
||
var createEventTarget = function(obj){
|
||
var eventList = {};
|
||
obj.addEventListener = function(name, fn){
|
||
if(eventList[name]){
|
||
webshims.error('always use $.on to the shimed event: '+ name +' already bound fn was: '+ eventList[name] +' your fn was: '+ fn);
|
||
}
|
||
eventList[name] = fn;
|
||
|
||
};
|
||
obj.removeEventListener = function(name, fn){
|
||
if(eventList[name] && eventList[name] != fn){
|
||
webshims.error('always use $.on/$.off to the shimed event: '+ name +' already bound fn was: '+ eventList[name] +' your fn was: '+ fn);
|
||
}
|
||
if(eventList[name]){
|
||
delete eventList[name];
|
||
}
|
||
};
|
||
return obj;
|
||
};
|
||
|
||
var cueListProto = {
|
||
getCueById: function(id){
|
||
var cue = null;
|
||
for(var i = 0, len = this.length; i < len; i++){
|
||
if(this[i].id === id){
|
||
cue = this[i];
|
||
break;
|
||
}
|
||
}
|
||
return cue;
|
||
}
|
||
};
|
||
var numericModes = {
|
||
0: 'disabled',
|
||
1: 'hidden',
|
||
2: 'showing'
|
||
};
|
||
|
||
var textTrackProto = {
|
||
shimActiveCues: null,
|
||
_shimActiveCues: null,
|
||
activeCues: null,
|
||
cues: null,
|
||
kind: 'subtitles',
|
||
label: '',
|
||
language: '',
|
||
id: '',
|
||
mode: 'disabled',
|
||
oncuechange: null,
|
||
toString: function() {
|
||
return "[object TextTrack]";
|
||
},
|
||
addCue: function(cue){
|
||
if(!this.cues){
|
||
this.cues = mediaelement.createCueList();
|
||
} else {
|
||
var lastCue = this.cues[this.cues.length-1];
|
||
if(lastCue && lastCue.startTime > cue.startTime){
|
||
webshims.error("cue startTime higher than previous cue's startTime");
|
||
return;
|
||
}
|
||
}
|
||
if(cue.startTime >= cue.endTime ){
|
||
webshim.error('startTime >= endTime of cue: '+ cue.text);
|
||
}
|
||
if(cue.track && cue.track.removeCue){
|
||
cue.track.removeCue(cue);
|
||
}
|
||
cue.track = this;
|
||
this.cues.push(cue);
|
||
},
|
||
//ToDo: make it more dynamic
|
||
removeCue: function(cue){
|
||
var cues = this.cues || [];
|
||
var i = 0;
|
||
var len = cues.length;
|
||
if(cue.track != this){
|
||
webshims.error("cue not part of track");
|
||
return;
|
||
}
|
||
for(; i < len; i++){
|
||
if(cues[i] === cue){
|
||
cues.splice(i, 1);
|
||
cue.track = null;
|
||
break;
|
||
}
|
||
}
|
||
if(cue.track){
|
||
webshims.error("cue not part of track");
|
||
return;
|
||
}
|
||
}/*,
|
||
DISABLED: 'disabled',
|
||
OFF: 'disabled',
|
||
HIDDEN: 'hidden',
|
||
SHOWING: 'showing',
|
||
ERROR: 3,
|
||
LOADED: 2,
|
||
LOADING: 1,
|
||
NONE: 0*/
|
||
};
|
||
var copyProps = ['kind', 'label', 'srclang'];
|
||
var copyName = {srclang: 'language'};
|
||
|
||
var updateMediaTrackList = function(baseData, trackList){
|
||
var removed = [];
|
||
var added = [];
|
||
var newTracks = [];
|
||
var i, len;
|
||
if(!baseData){
|
||
baseData = webshims.data(this, 'mediaelementBase') || webshims.data(this, 'mediaelementBase', {});
|
||
}
|
||
|
||
if(!trackList){
|
||
baseData.blockTrackListUpdate = true;
|
||
trackList = $.prop(this, 'textTracks');
|
||
baseData.blockTrackListUpdate = false;
|
||
}
|
||
|
||
clearTimeout(baseData.updateTrackListTimer);
|
||
|
||
$('track', this).each(function(){
|
||
var track = $.prop(this, 'track');
|
||
newTracks.push(track);
|
||
if(trackList.indexOf(track) == -1){
|
||
added.push(track);
|
||
}
|
||
});
|
||
|
||
if(baseData.scriptedTextTracks){
|
||
for(i = 0, len = baseData.scriptedTextTracks.length; i < len; i++){
|
||
newTracks.push(baseData.scriptedTextTracks[i]);
|
||
if(trackList.indexOf(baseData.scriptedTextTracks[i]) == -1){
|
||
added.push(baseData.scriptedTextTracks[i]);
|
||
}
|
||
}
|
||
}
|
||
|
||
for(i = 0, len = trackList.length; i < len; i++){
|
||
if(newTracks.indexOf(trackList[i]) == -1){
|
||
removed.push(trackList[i]);
|
||
}
|
||
}
|
||
|
||
if(removed.length || added.length){
|
||
trackList.splice(0);
|
||
|
||
for(i = 0, len = newTracks.length; i < len; i++){
|
||
trackList.push(newTracks[i]);
|
||
}
|
||
for(i = 0, len = removed.length; i < len; i++){
|
||
$([trackList]).triggerHandler($.Event({type: 'removetrack', track: removed[i]}));
|
||
}
|
||
for(i = 0, len = added.length; i < len; i++){
|
||
$([trackList]).triggerHandler($.Event({type: 'addtrack', track: added[i]}));
|
||
}
|
||
//todo: remove
|
||
if(baseData.scriptedTextTracks || removed.length){
|
||
$(this).triggerHandler('updatetrackdisplay');
|
||
}
|
||
}
|
||
};
|
||
|
||
var refreshTrack = function(track, trackData){
|
||
if(!trackData){
|
||
trackData = webshims.data(track, 'trackData');
|
||
}
|
||
|
||
if(trackData && !trackData.isTriggering){
|
||
trackData.isTriggering = true;
|
||
setTimeout(function(){
|
||
$(track).closest('audio, video').triggerHandler('updatetrackdisplay');
|
||
trackData.isTriggering = false;
|
||
}, 9);
|
||
}
|
||
};
|
||
var isDefaultTrack = (function(){
|
||
var defaultKinds = {
|
||
subtitles: {
|
||
subtitles: 1,
|
||
captions: 1
|
||
},
|
||
descriptions: {descriptions: 1},
|
||
chapters: {chapters: 1}
|
||
};
|
||
defaultKinds.captions = defaultKinds.subtitles;
|
||
|
||
return function(track){
|
||
var kind, firstDefaultTrack;
|
||
var isDefault = $.prop(track, 'default');
|
||
if(isDefault && (kind = $.prop(track, 'kind')) != 'metadata'){
|
||
firstDefaultTrack = $(track)
|
||
.parent()
|
||
.find('track[default]')
|
||
.filter(function(){
|
||
return !!(defaultKinds[kind][$.prop(this, 'kind')]);
|
||
})[0]
|
||
;
|
||
if(firstDefaultTrack != track){
|
||
isDefault = false;
|
||
webshims.error('more than one default track of a specific kind detected. Fall back to default = false');
|
||
}
|
||
}
|
||
return isDefault;
|
||
};
|
||
})();
|
||
var emptyDiv = $('<div />')[0];
|
||
|
||
function VTTCue(startTime, endTime, text){
|
||
if(arguments.length != 3){
|
||
webshims.error("wrong arguments.length for VTTCue.constructor");
|
||
}
|
||
|
||
this.startTime = startTime;
|
||
this.endTime = endTime;
|
||
this.text = text;
|
||
this.onenter = null;
|
||
this.onexit = null;
|
||
this.pauseOnExit = false;
|
||
this.track = null;
|
||
this.id = null;
|
||
this.getCueAsHTML = (function(){
|
||
var lastText = "";
|
||
var parsedText = "";
|
||
var fragment;
|
||
|
||
return function(){
|
||
var i, len;
|
||
if(!fragment){
|
||
fragment = document.createDocumentFragment();
|
||
}
|
||
if(lastText != this.text){
|
||
lastText = this.text;
|
||
parsedText = mediaelement.parseCueTextToHTML(lastText);
|
||
emptyDiv.innerHTML = parsedText;
|
||
|
||
for(i = 0, len = emptyDiv.childNodes.length; i < len; i++){
|
||
fragment.appendChild(emptyDiv.childNodes[i].cloneNode(true));
|
||
}
|
||
}
|
||
return fragment.cloneNode(true);
|
||
};
|
||
|
||
})();
|
||
}
|
||
|
||
window.VTTCue = VTTCue;
|
||
window.TextTrackCue = function(){
|
||
webshims.error("Use VTTCue constructor instead of abstract TextTrackCue constructor.");
|
||
VTTCue.apply(this, arguments);
|
||
};
|
||
|
||
window.TextTrackCue.prototype = VTTCue.prototype;
|
||
|
||
mediaelement.createCueList = function(){
|
||
return $.extend([], cueListProto);
|
||
};
|
||
|
||
mediaelement.parseCueTextToHTML = (function(){
|
||
var tagSplits = /(<\/?[^>]+>)/ig;
|
||
var allowedTags = /^(?:c|v|ruby|rt|b|i|u)/;
|
||
var regEnd = /\<\s*\//;
|
||
var addToTemplate = function(localName, attribute, tag, html){
|
||
var ret;
|
||
if(regEnd.test(html)){
|
||
ret = '</'+ localName +'>';
|
||
} else {
|
||
tag.splice(0, 1);
|
||
ret = '<'+ localName +' '+ attribute +'="'+ (tag.join(' ').replace(/\"/g, '"')) +'">';
|
||
}
|
||
return ret;
|
||
};
|
||
var replacer = function(html){
|
||
var tag = html.replace(/[<\/>]+/ig,"").split(/[\s\.]+/);
|
||
if(tag[0]){
|
||
tag[0] = tag[0].toLowerCase();
|
||
if(allowedTags.test(tag[0])){
|
||
if(tag[0] == 'c'){
|
||
html = addToTemplate('span', 'class', tag, html);
|
||
} else if(tag[0] == 'v'){
|
||
html = addToTemplate('q', 'title', tag, html);
|
||
}
|
||
} else {
|
||
html = "";
|
||
}
|
||
}
|
||
return html;
|
||
};
|
||
|
||
return function(cueText){
|
||
return cueText.replace(tagSplits, replacer);
|
||
};
|
||
})();
|
||
var mapTtmlToVtt = function(i){
|
||
var content = i+'';
|
||
var begin = this.getAttribute('begin') || '';
|
||
var end = this.getAttribute('end') || '';
|
||
var text = $.trim($.text(this));
|
||
if(!/\./.test(begin)){
|
||
begin += '.000';
|
||
}
|
||
if(!/\./.test(end)){
|
||
end += '.000';
|
||
}
|
||
content += '\n';
|
||
content += begin +' --> '+end+'\n';
|
||
content += text;
|
||
return content;
|
||
};
|
||
var ttmlTextToVTT = function(ttml){
|
||
ttml = $.parseXML(ttml) || [];
|
||
return $(ttml).find('[begin][end]').map(mapTtmlToVtt).get().join('\n\n') || '';
|
||
};
|
||
var loadingTracks = 0;
|
||
|
||
mediaelement.loadTextTrack = function(mediaelem, track, trackData, _default){
|
||
var loadEvents = 'play playing loadedmetadata loadstart';
|
||
var obj = trackData.track;
|
||
var load = function(){
|
||
var error, ajax, createAjax;
|
||
var isDisabled = obj.mode == 'disabled';
|
||
var videoState = !!($.prop(mediaelem, 'readyState') > 0 || $.prop(mediaelem, 'networkState') == 2 || !$.prop(mediaelem, 'paused'));
|
||
var src = (!isDisabled || videoState) && ($.attr(track, 'src') && $.prop(track, 'src'));
|
||
|
||
if(src){
|
||
$(mediaelem).off(loadEvents, load).off('updatetrackdisplay', load);
|
||
|
||
if(!trackData.readyState){
|
||
error = function(){
|
||
loadingTracks--;
|
||
trackData.readyState = 3;
|
||
obj.cues = null;
|
||
obj.activeCues = obj.shimActiveCues = obj._shimActiveCues = null;
|
||
$(track).triggerHandler('error');
|
||
};
|
||
trackData.readyState = 1;
|
||
try {
|
||
obj.cues = mediaelement.createCueList();
|
||
obj.activeCues = obj.shimActiveCues = obj._shimActiveCues = mediaelement.createCueList();
|
||
loadingTracks++;
|
||
createAjax = function(){
|
||
ajax = $.ajax({
|
||
dataType: 'text',
|
||
url: src,
|
||
success: function(text){
|
||
loadingTracks--;
|
||
var contentType = ajax.getResponseHeader('content-type') || '';
|
||
|
||
if(!contentType.indexOf('application/xml')){
|
||
text = ttmlTextToVTT(text);
|
||
} else if(contentType.indexOf('text/vtt')){
|
||
webshims.error('set the mime-type of your WebVTT files to text/vtt. see: http://dev.w3.org/html5/webvtt/#text/vtt');
|
||
}
|
||
mediaelement.parseCaptions(text, obj, function(cues){
|
||
if(cues && 'length' in cues){
|
||
trackData.readyState = 2;
|
||
$(track).triggerHandler('load');
|
||
$(mediaelem).triggerHandler('updatetrackdisplay');
|
||
} else {
|
||
error();
|
||
}
|
||
});
|
||
},
|
||
error: error
|
||
});
|
||
};
|
||
if(isDisabled){
|
||
setTimeout(createAjax, loadingTracks * 2);
|
||
} else {
|
||
createAjax();
|
||
}
|
||
} catch(er){
|
||
error();
|
||
webshims.error(er);
|
||
}
|
||
}
|
||
}
|
||
};
|
||
trackData.readyState = 0;
|
||
obj.shimActiveCues = null;
|
||
obj._shimActiveCues = null;
|
||
obj.activeCues = null;
|
||
obj.cues = null;
|
||
|
||
$(mediaelem).on(loadEvents, load);
|
||
|
||
if(_default){
|
||
obj.mode = showTracks[obj.kind] ? 'showing' : 'hidden';
|
||
load();
|
||
} else {
|
||
$(mediaelem).on('updatetrackdisplay', load);
|
||
}
|
||
};
|
||
|
||
mediaelement.createTextTrack = function(mediaelem, track){
|
||
var obj, trackData;
|
||
if(track.nodeName){
|
||
trackData = webshims.data(track, 'trackData');
|
||
|
||
if(trackData){
|
||
refreshTrack(track, trackData);
|
||
obj = trackData.track;
|
||
}
|
||
}
|
||
|
||
if(!obj){
|
||
obj = createEventTarget(webshims.objectCreate(textTrackProto));
|
||
|
||
if(!supportTrackMod){
|
||
copyProps.forEach(function(copyProp){
|
||
var prop = $.prop(track, copyProp);
|
||
if(prop){
|
||
obj[copyName[copyProp] || copyProp] = prop;
|
||
}
|
||
});
|
||
}
|
||
|
||
|
||
if(track.nodeName){
|
||
if(supportTrackMod){
|
||
copyProps.forEach(function(copyProp){
|
||
webshims.defineProperty(obj, copyName[copyProp] || copyProp, {
|
||
get: function(){
|
||
return $.prop(track, copyProp);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
obj.id = $(track).prop('id');
|
||
trackData = webshims.data(track, 'trackData', {track: obj});
|
||
mediaelement.loadTextTrack(mediaelem, track, trackData, isDefaultTrack(track));
|
||
} else {
|
||
if(supportTrackMod){
|
||
copyProps.forEach(function(copyProp){
|
||
webshims.defineProperty(obj, copyName[copyProp] || copyProp, {
|
||
value: track[copyProp],
|
||
writeable: false
|
||
});
|
||
});
|
||
}
|
||
obj.cues = mediaelement.createCueList();
|
||
obj.activeCues = obj._shimActiveCues = obj.shimActiveCues = mediaelement.createCueList();
|
||
obj.mode = 'hidden';
|
||
obj.readyState = 2;
|
||
}
|
||
if(obj.kind == 'subtitles' && !obj.language){
|
||
webshims.error('you must provide a language for track in subtitles state');
|
||
}
|
||
obj.__wsmode = obj.mode;
|
||
|
||
webshims.defineProperty(obj, '_wsUpdateMode', {
|
||
value: function(){
|
||
$(mediaelem).triggerHandler('updatetrackdisplay');
|
||
},
|
||
enumerable: false
|
||
});
|
||
}
|
||
|
||
return obj;
|
||
};
|
||
|
||
if(!$.propHooks.mode){
|
||
$.propHooks.mode = {
|
||
set: function(obj, value){
|
||
obj.mode = value;
|
||
if(obj._wsUpdateMode && obj._wsUpdateMode.call){
|
||
obj._wsUpdateMode();
|
||
}
|
||
return obj.mode;
|
||
}
|
||
};
|
||
}
|
||
|
||
/*
|
||
taken from:
|
||
Captionator 0.5.1 [CaptionCrunch]
|
||
Christopher Giffard, 2011
|
||
Share and enjoy
|
||
|
||
https://github.com/cgiffard/Captionator
|
||
|
||
modified for webshims
|
||
*/
|
||
mediaelement.parseCaptionChunk = (function(){
|
||
// Set up timestamp parsers
|
||
var WebVTTTimestampParser = /^(\d{2})?:?(\d{2}):(\d{2})\.(\d+)\s+\-\-\>\s+(\d{2})?:?(\d{2}):(\d{2})\.(\d+)\s*(.*)/;
|
||
var WebVTTDEFAULTSCueParser = /^(DEFAULTS|DEFAULT)\s+\-\-\>\s+(.*)/g;
|
||
var WebVTTSTYLECueParser = /^(STYLE|STYLES)\s+\-\-\>\s*\n([\s\S]*)/g;
|
||
var WebVTTCOMMENTCueParser = /^(COMMENT|COMMENTS)\s+\-\-\>\s+(.*)/g;
|
||
var SRTTimestampParser = /^(\d{2})?:?(\d{2}):(\d{2})[\.\,](\d+)\s+\-\-\>\s+(\d{2})?:?(\d{2}):(\d{2})[\.\,](\d+)\s*(.*)/;
|
||
|
||
return function(subtitleElement,objectCount){
|
||
|
||
var subtitleParts, timeIn, timeOut, html, timeData, subtitlePartIndex, id;
|
||
var timestampMatch, tmpCue;
|
||
|
||
// WebVTT Special Cue Logic
|
||
if (WebVTTDEFAULTSCueParser.exec(subtitleElement) || WebVTTCOMMENTCueParser.exec(subtitleElement) || WebVTTSTYLECueParser.exec(subtitleElement)) {
|
||
return null;
|
||
}
|
||
|
||
subtitleParts = subtitleElement.split(/\n/g);
|
||
|
||
// Trim off any blank lines (logically, should only be max. one, but loop to be sure)
|
||
while (!subtitleParts[0].replace(/\s+/ig,"").length && subtitleParts.length > 0) {
|
||
subtitleParts.shift();
|
||
}
|
||
|
||
if (subtitleParts[0].match(/^\s*[a-z0-9-\_]+\s*$/ig)) {
|
||
// The identifier becomes the cue ID (when *we* load the cues from file. Programatically created cues can have an ID of whatever.)
|
||
id = String(subtitleParts.shift().replace(/\s*/ig,""));
|
||
}
|
||
|
||
for (subtitlePartIndex = 0; subtitlePartIndex < subtitleParts.length; subtitlePartIndex ++) {
|
||
var timestamp = subtitleParts[subtitlePartIndex];
|
||
|
||
if ((timestampMatch = WebVTTTimestampParser.exec(timestamp)) || (timestampMatch = SRTTimestampParser.exec(timestamp))) {
|
||
|
||
// WebVTT
|
||
|
||
timeData = timestampMatch.slice(1);
|
||
|
||
timeIn = parseInt((timeData[0]||0) * 60 * 60,10) + // Hours
|
||
parseInt((timeData[1]||0) * 60,10) + // Minutes
|
||
parseInt((timeData[2]||0),10) + // Seconds
|
||
parseFloat("0." + (timeData[3]||0)); // MS
|
||
|
||
timeOut = parseInt((timeData[4]||0) * 60 * 60,10) + // Hours
|
||
parseInt((timeData[5]||0) * 60,10) + // Minutes
|
||
parseInt((timeData[6]||0),10) + // Seconds
|
||
parseFloat("0." + (timeData[7]||0)); // MS
|
||
/*
|
||
if (timeData[8]) {
|
||
cueSettings = timeData[8];
|
||
}
|
||
*/
|
||
}
|
||
|
||
// We've got the timestamp - return all the other unmatched lines as the raw subtitle data
|
||
subtitleParts = subtitleParts.slice(0,subtitlePartIndex).concat(subtitleParts.slice(subtitlePartIndex+1));
|
||
break;
|
||
}
|
||
|
||
if (!timeIn && !timeOut) {
|
||
// We didn't extract any time information. Assume the cue is invalid!
|
||
webshims.warn("couldn't extract time information: "+[timeIn, timeOut, subtitleParts.join("\n"), id].join(' ; '));
|
||
return null;
|
||
}
|
||
/*
|
||
// Consolidate cue settings, convert defaults to object
|
||
var compositeCueSettings =
|
||
cueDefaults
|
||
.reduce(function(previous,current,index,array){
|
||
previous[current.split(":")[0]] = current.split(":")[1];
|
||
return previous;
|
||
},{});
|
||
|
||
// Loop through cue settings, replace defaults with cue specific settings if they exist
|
||
compositeCueSettings =
|
||
cueSettings
|
||
.split(/\s+/g)
|
||
.filter(function(set) { return set && !!set.length; })
|
||
// Convert array to a key/val object
|
||
.reduce(function(previous,current,index,array){
|
||
previous[current.split(":")[0]] = current.split(":")[1];
|
||
return previous;
|
||
},compositeCueSettings);
|
||
|
||
// Turn back into string like the VTTCue constructor expects
|
||
cueSettings = "";
|
||
for (var key in compositeCueSettings) {
|
||
if (compositeCueSettings.hasOwnProperty(key)) {
|
||
cueSettings += !!cueSettings.length ? " " : "";
|
||
cueSettings += key + ":" + compositeCueSettings[key];
|
||
}
|
||
}
|
||
*/
|
||
// The remaining lines are the subtitle payload itself (after removing an ID if present, and the time);
|
||
html = subtitleParts.join("\n");
|
||
tmpCue = new VTTCue(timeIn, timeOut, html);
|
||
if(id){
|
||
tmpCue.id = id;
|
||
}
|
||
return tmpCue;
|
||
};
|
||
})();
|
||
|
||
mediaelement.parseCaptions = function(captionData, track, complete) {
|
||
|
||
var cue, lazyProcess, regWevVTT, startDate, isWEBVTT;
|
||
|
||
mediaelement.createCueList();
|
||
if (captionData) {
|
||
|
||
regWevVTT = /^WEBVTT(\s*FILE)?/ig;
|
||
|
||
lazyProcess = function(i, len){
|
||
|
||
for(; i < len; i++){
|
||
cue = captionData[i];
|
||
if(regWevVTT.test(cue)){
|
||
isWEBVTT = true;
|
||
} else if(cue.replace(/\s*/ig,"").length){
|
||
cue = mediaelement.parseCaptionChunk(cue, i);
|
||
if(cue){
|
||
track.addCue(cue);
|
||
}
|
||
}
|
||
if(startDate < (new Date().getTime()) - 30){
|
||
i++;
|
||
setTimeout(function(){
|
||
startDate = new Date().getTime();
|
||
lazyProcess(i, len);
|
||
}, 90);
|
||
|
||
break;
|
||
}
|
||
}
|
||
if(i >= len){
|
||
if(!isWEBVTT){
|
||
webshims.error('please use WebVTT format. This is the standard');
|
||
}
|
||
complete(track.cues);
|
||
}
|
||
};
|
||
|
||
captionData = captionData.replace(/\r\n/g,"\n");
|
||
|
||
setTimeout(function(){
|
||
captionData = captionData.replace(/\r/g,"\n");
|
||
setTimeout(function(){
|
||
startDate = new Date().getTime();
|
||
captionData = captionData.split(/\n\n+/g);
|
||
lazyProcess(0, captionData.length);
|
||
}, 9);
|
||
}, 9);
|
||
|
||
} else {
|
||
webshims.error("Required parameter captionData not supplied.");
|
||
}
|
||
};
|
||
|
||
|
||
mediaelement.createTrackList = function(mediaelem, baseData){
|
||
baseData = baseData || webshims.data(mediaelem, 'mediaelementBase') || webshims.data(mediaelem, 'mediaelementBase', {});
|
||
if(!baseData.textTracks){
|
||
baseData.textTracks = [];
|
||
webshims.defineProperties(baseData.textTracks, {
|
||
onaddtrack: {value: null},
|
||
onremovetrack: {value: null},
|
||
onchange: {value: null},
|
||
getTrackById: {
|
||
value: function(id){
|
||
var track = null;
|
||
for(var i = 0; i < baseData.textTracks.length; i++){
|
||
if(id == baseData.textTracks[i].id){
|
||
track = baseData.textTracks[i];
|
||
break;
|
||
}
|
||
}
|
||
return track;
|
||
}
|
||
}
|
||
});
|
||
createEventTarget(baseData.textTracks);
|
||
$(mediaelem).on('updatetrackdisplay', function(){
|
||
var track;
|
||
for(var i = 0; i < baseData.textTracks.length; i++){
|
||
track = baseData.textTracks[i];
|
||
if(track.__wsmode != track.mode){
|
||
track.__wsmode = track.mode;
|
||
$([ baseData.textTracks ]).triggerHandler('change');
|
||
}
|
||
}
|
||
});
|
||
|
||
}
|
||
return baseData.textTracks;
|
||
};
|
||
|
||
if(!support.track){
|
||
webshims.defineNodeNamesBooleanProperty(['track'], 'default');
|
||
webshims.reflectProperties(['track'], ['srclang', 'label']);
|
||
|
||
webshims.defineNodeNameProperties('track', {
|
||
src: {
|
||
//attr: {},
|
||
reflect: true,
|
||
propType: 'src'
|
||
}
|
||
});
|
||
}
|
||
|
||
webshims.defineNodeNameProperties('track', {
|
||
kind: {
|
||
attr: support.track ? {
|
||
set: function(value){
|
||
var trackData = webshims.data(this, 'trackData');
|
||
this.setAttribute('data-kind', value);
|
||
if(trackData){
|
||
trackData.attrKind = value;
|
||
}
|
||
},
|
||
get: function(){
|
||
var trackData = webshims.data(this, 'trackData');
|
||
if(trackData && ('attrKind' in trackData)){
|
||
return trackData.attrKind;
|
||
}
|
||
return this.getAttribute('kind');
|
||
}
|
||
} : {},
|
||
reflect: true,
|
||
propType: 'enumarated',
|
||
defaultValue: 'subtitles',
|
||
limitedTo: ['subtitles', 'captions', 'descriptions', 'chapters', 'metadata']
|
||
}
|
||
});
|
||
|
||
$.each(copyProps, function(i, copyProp){
|
||
var name = copyName[copyProp] || copyProp;
|
||
webshims.onNodeNamesPropertyModify('track', copyProp, function(){
|
||
var trackData = webshims.data(this, 'trackData');
|
||
|
||
if(trackData){
|
||
if(copyProp == 'kind'){
|
||
refreshTrack(this, trackData);
|
||
}
|
||
if(!supportTrackMod){
|
||
trackData.track[name] = $.prop(this, copyProp);
|
||
}
|
||
}
|
||
});
|
||
});
|
||
|
||
|
||
webshims.onNodeNamesPropertyModify('track', 'src', function(val){
|
||
if(val){
|
||
var data = webshims.data(this, 'trackData');
|
||
var media;
|
||
if(data){
|
||
media = $(this).closest('video, audio');
|
||
if(media[0]){
|
||
mediaelement.loadTextTrack(media, this, data);
|
||
}
|
||
}
|
||
}
|
||
|
||
});
|
||
|
||
//
|
||
webshims.defineNodeNamesProperties(['track'], {
|
||
ERROR: {
|
||
value: 3
|
||
},
|
||
LOADED: {
|
||
value: 2
|
||
},
|
||
LOADING: {
|
||
value: 1
|
||
},
|
||
NONE: {
|
||
value: 0
|
||
},
|
||
readyState: {
|
||
get: function(){
|
||
return (webshims.data(this, 'trackData') || {readyState: 0}).readyState;
|
||
},
|
||
writeable: false
|
||
},
|
||
track: {
|
||
get: function(){
|
||
return mediaelement.createTextTrack($(this).closest('audio, video')[0], this);
|
||
},
|
||
writeable: false
|
||
}
|
||
}, 'prop');
|
||
|
||
webshims.defineNodeNamesProperties(['audio', 'video'], {
|
||
textTracks: {
|
||
get: function(){
|
||
var media = this;
|
||
var baseData = webshims.data(media, 'mediaelementBase') || webshims.data(media, 'mediaelementBase', {});
|
||
var tracks = mediaelement.createTrackList(media, baseData);
|
||
if(!baseData.blockTrackListUpdate){
|
||
updateMediaTrackList.call(media, baseData, tracks);
|
||
}
|
||
return tracks;
|
||
},
|
||
writeable: false
|
||
},
|
||
addTextTrack: {
|
||
value: function(kind, label, lang){
|
||
var textTrack = mediaelement.createTextTrack(this, {
|
||
kind: dummyTrack.prop('kind', kind || '').prop('kind'),
|
||
label: label || '',
|
||
srclang: lang || ''
|
||
});
|
||
var baseData = webshims.data(this, 'mediaelementBase') || webshims.data(this, 'mediaelementBase', {});
|
||
if (!baseData.scriptedTextTracks) {
|
||
baseData.scriptedTextTracks = [];
|
||
}
|
||
baseData.scriptedTextTracks.push(textTrack);
|
||
updateMediaTrackList.call(this);
|
||
return textTrack;
|
||
}
|
||
}
|
||
}, 'prop');
|
||
|
||
//wsmediareload
|
||
var thUpdateList = function(e){
|
||
if($(e.target).is('audio, video')){
|
||
var baseData = webshims.data(e.target, 'mediaelementBase');
|
||
if(baseData){
|
||
clearTimeout(baseData.updateTrackListTimer);
|
||
baseData.updateTrackListTimer = setTimeout(function(){
|
||
updateMediaTrackList.call(e.target, baseData);
|
||
}, 0);
|
||
}
|
||
}
|
||
};
|
||
|
||
var getNativeReadyState = function(trackElem, textTrack){
|
||
return textTrack.readyState || trackElem.readyState;
|
||
};
|
||
var stopOriginalEvent = function(e){
|
||
if(e.originalEvent){
|
||
e.stopImmediatePropagation();
|
||
}
|
||
};
|
||
var hideNativeTracks = function(){
|
||
if(webshims.implement(this, 'track')){
|
||
var kind;
|
||
var origTrack = this.track;
|
||
if(origTrack){
|
||
|
||
if (!webshims.bugs.track && (origTrack.mode || getNativeReadyState(this, origTrack))) {
|
||
$.prop(this, 'track').mode = numericModes[origTrack.mode] || origTrack.mode;
|
||
}
|
||
//disable track from showing + remove UI
|
||
kind = $.prop(this, 'kind');
|
||
origTrack.mode = (typeof origTrack.mode == 'string') ? 'disabled' : 0;
|
||
this.kind = 'metadata';
|
||
|
||
$(this).attr({kind: kind});
|
||
|
||
}
|
||
$(this).on('load error', stopOriginalEvent);
|
||
}
|
||
};
|
||
|
||
webshims.addReady(function(context, insertedElement){
|
||
var insertedMedia = insertedElement.filter('video, audio, track').closest('audio, video');
|
||
$('video, audio', context)
|
||
.add(insertedMedia)
|
||
.each(function(){
|
||
updateMediaTrackList.call(this);
|
||
})
|
||
.on('emptied updatetracklist wsmediareload', thUpdateList)
|
||
.each(function(){
|
||
if(support.track){
|
||
var shimedTextTracks = $.prop(this, 'textTracks');
|
||
var origTextTracks = this.textTracks;
|
||
|
||
if(shimedTextTracks.length != origTextTracks.length){
|
||
webshims.warn("textTracks couldn't be copied");
|
||
}
|
||
|
||
$('track', this).each(hideNativeTracks);
|
||
}
|
||
})
|
||
;
|
||
|
||
insertedMedia.each(function(){
|
||
var media = this;
|
||
var baseData = webshims.data(media, 'mediaelementBase');
|
||
if(baseData){
|
||
clearTimeout(baseData.updateTrackListTimer);
|
||
baseData.updateTrackListTimer = setTimeout(function(){
|
||
updateMediaTrackList.call(media, baseData);
|
||
}, 9);
|
||
}
|
||
});
|
||
});
|
||
|
||
if(support.texttrackapi){
|
||
$('video, audio').trigger('trackapichange');
|
||
}
|
||
});
|