/*! SWFMini - a SWFObject 2.2 cut down version for webshims
*
* based on SWFObject v2.2
is released under the MIT License
*/
var swfmini = function() {
var UNDEF = "undefined",
OBJECT = "object",
webshims = window.webshims,
SHOCKWAVE_FLASH = "Shockwave Flash",
SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
FLASH_MIME_TYPE = "application/x-shockwave-flash",
win = window,
doc = document,
nav = navigator,
plugin = false,
domLoadFnArr = [main],
objIdArr = [],
listenersArr = [],
storedAltContent,
storedAltContentId,
storedCallbackFn,
storedCallbackObj,
isDomLoaded = false,
dynamicStylesheet,
dynamicStylesheetMedia,
autoHideShow = true,
/* Centralized function for browser feature detection
- User agent string detection is only used when no good alternative is possible
- Is executed directly for optimal performance
*/
ua = function() {
var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF,
u = nav.userAgent.toLowerCase(),
p = nav.platform.toLowerCase(),
windows = p ? /win/.test(p) : /win/.test(u),
mac = p ? /mac/.test(p) : /mac/.test(u),
webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
ie = !+"\v1", // feature detection based on Andrea Giammarchi's solution: http://webreflection.blogspot.com/2009/01/32-bytes-to-know-if-your-browser-is-ie.html
playerVersion = [0,0,0],
d = null;
if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
d = nav.plugins[SHOCKWAVE_FLASH].description;
if (d && !(typeof nav.mimeTypes != UNDEF && nav.mimeTypes[FLASH_MIME_TYPE] && !nav.mimeTypes[FLASH_MIME_TYPE].enabledPlugin)) { // navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin indicates whether plug-ins are enabled or disabled in Safari 3+
plugin = true;
ie = false; // cascaded feature detection for Internet Explorer
d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
playerVersion[2] = /[a-zA-Z]/.test(d) ? parseInt(d.replace(/^.*[a-zA-Z]+(.*)$/, "$1"), 10) : 0;
}
}
else if (typeof win.ActiveXObject != UNDEF) {
try {
var a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
if (a) { // a will return null when ActiveX is disabled
d = a.GetVariable("$version");
if (d) {
ie = true; // cascaded feature detection for Internet Explorer
d = d.split(" ")[1].split(",");
playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
}
}
}
catch(e) {}
}
return { w3:w3cdom, pv:playerVersion, wk:webkit, ie:ie, win:windows, mac:mac };
}();
function callDomLoadFunctions() {
if (isDomLoaded) { return; }
try { // test if we can really add/remove elements to/from the DOM; we don't want to fire it too early
var t = doc.getElementsByTagName("body")[0].appendChild(createElement("span"));
t.parentNode.removeChild(t);
}
catch (e) { return; }
isDomLoaded = true;
var dl = domLoadFnArr.length;
for (var i = 0; i < dl; i++) {
domLoadFnArr[i]();
}
}
function addDomLoadEvent(fn) {
if (isDomLoaded) {
fn();
}
else {
domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
}
}
/* Cross-browser onload
- Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
- Will fire an event as soon as a web page including all of its assets are loaded
*/
function addLoadEvent(fn) {
}
/* Main function
- Will preferably execute onDomLoad, otherwise onload (as a fallback)
*/
function main() {
if (plugin) {
testPlayerVersion();
}
}
/* Detect the Flash Player version for non-Internet Explorer browsers
- Detecting the plug-in version via the object element is more precise than using the plugins collection item's description:
a. Both release and build numbers can be detected
b. Avoid wrong descriptions by corrupt installers provided by Adobe
c. Avoid wrong descriptions by multiple Flash Player entries in the plugin Array, caused by incorrect browser imports
- Disadvantage of this method is that it depends on the availability of the DOM, while the plugins collection is immediately available
*/
function testPlayerVersion() {
var b = doc.getElementsByTagName("body")[0];
var o = createElement(OBJECT);
o.setAttribute("type", FLASH_MIME_TYPE);
var t = b.appendChild(o);
if (t) {
var counter = 0;
(function(){
if (typeof t.GetVariable != UNDEF) {
var d = t.GetVariable("$version");
if (d) {
d = d.split(" ")[1].split(",");
ua.pv = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
}
}
else if (counter < 10) {
counter++;
setTimeout(arguments.callee, 10);
return;
}
b.removeChild(o);
t = null;
})();
}
}
function getObjectById(objectIdStr) {
var r = null;
var o = getElementById(objectIdStr);
if (o && o.nodeName == "OBJECT") {
if (typeof o.SetVariable != UNDEF) {
r = o;
}
else {
var n = o.getElementsByTagName(OBJECT)[0];
if (n) {
r = n;
}
}
}
return r;
}
/* Cross-browser dynamic SWF creation
*/
function createSWF(attObj, parObj, id) {
var r, el = getElementById(id);
if (ua.wk && ua.wk < 312) { return r; }
if (el) {
if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
attObj.id = id;
}
if (ua.ie && ua.win) { // Internet Explorer + the HTML object element + W3C DOM methods do not combine: fall back to outerHTML
var att = "";
for (var i in attObj) {
if (attObj[i] != Object.prototype[i]) { // filter out prototype additions from other potential libraries
if (i.toLowerCase() == "data") {
parObj.movie = attObj[i];
}
else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
att += ' class="' + attObj[i] + '"';
}
else if (i.toLowerCase() != "classid") {
att += ' ' + i + '="' + attObj[i] + '"';
}
}
}
var par = "";
for (var j in parObj) {
if (parObj[j] != Object.prototype[j]) { // filter out prototype additions from other potential libraries
par += '';
}
}
el.outerHTML = '';
objIdArr[objIdArr.length] = attObj.id; // stored to fix object 'leaks' on unload (dynamic publishing only)
r = getElementById(attObj.id);
}
else { // well-behaving browsers
var o = createElement(OBJECT);
o.setAttribute("type", FLASH_MIME_TYPE);
for (var m in attObj) {
if (attObj[m] != Object.prototype[m]) { // filter out prototype additions from other potential libraries
if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
o.setAttribute("class", attObj[m]);
}
else if (m.toLowerCase() != "classid") { // filter out IE specific attribute
o.setAttribute(m, attObj[m]);
}
}
}
for (var n in parObj) {
if (parObj[n] != Object.prototype[n] && n.toLowerCase() != "movie") { // filter out prototype additions from other potential libraries and IE specific param element
createObjParam(o, n, parObj[n]);
}
}
el.parentNode.replaceChild(o, el);
r = o;
}
}
return r;
}
function createObjParam(el, pName, pValue) {
var p = createElement("param");
p.setAttribute("name", pName);
p.setAttribute("value", pValue);
el.appendChild(p);
}
/* Cross-browser SWF removal
- Especially needed to safely and completely remove a SWF in Internet Explorer
*/
function removeSWF(id) {
var obj = getElementById(id);
if (obj && obj.nodeName == "OBJECT") {
if (ua.ie && ua.win) {
obj.style.display = "none";
(function(){
if (obj.readyState == 4) {
removeObjectInIE(id);
}
else {
setTimeout(arguments.callee, 10);
}
})();
}
else {
obj.parentNode.removeChild(obj);
}
}
}
function removeObjectInIE(id) {
var obj = getElementById(id);
if (obj) {
for (var i in obj) {
if (typeof obj[i] == "function") {
obj[i] = null;
}
}
obj.parentNode.removeChild(obj);
}
}
/* Functions to optimize JavaScript compression
*/
function getElementById(id) {
var el = null;
try {
el = doc.getElementById(id);
}
catch (e) {}
return el;
}
function createElement(el) {
return doc.createElement(el);
}
/* Updated attachEvent function for Internet Explorer
- Stores attachEvent information in an Array, so on unload the detachEvent functions can be called to avoid memory leaks
*/
function addListener(target, eventType, fn) {
target.attachEvent(eventType, fn);
listenersArr[listenersArr.length] = [target, eventType, fn];
}
/* Flash Player and SWF content version matching
*/
function hasPlayerVersion(rv) {
var pv = ua.pv, v = rv.split(".");
v[0] = parseInt(v[0], 10);
v[1] = parseInt(v[1], 10) || 0; // supports short notation, e.g. "9" instead of "9.0.0"
v[2] = parseInt(v[2], 10) || 0;
return (pv[0] > v[0] || (pv[0] == v[0] && pv[1] > v[1]) || (pv[0] == v[0] && pv[1] == v[1] && pv[2] >= v[2])) ? true : false;
}
function setVisibility(id, isVisible) {
if (!autoHideShow) { return; }
var elem;
var v = isVisible ? "visible" : "hidden";
if (isDomLoaded && (elem && getElementById(id))) {
getElementById(id).style.visibility = v;
}
}
/* Release memory to avoid memory leaks caused by closures, fix hanging audio/video threads and force open sockets/NetConnections to disconnect (Internet Explorer only)
*/
var cleanup = function() {
if (ua.ie && ua.win && window.attachEvent) {
window.attachEvent("onunload", function() {
// remove listeners to avoid memory leaks
var ll = listenersArr.length;
for (var i = 0; i < ll; i++) {
listenersArr[i][0].detachEvent(listenersArr[i][1], listenersArr[i][2]);
}
// cleanup dynamically embedded objects to fix audio/video threads and force open sockets and NetConnections to disconnect
var il = objIdArr.length;
for (var j = 0; j < il; j++) {
removeSWF(objIdArr[j]);
}
// cleanup library's main closures to avoid memory leaks
for (var k in ua) {
ua[k] = null;
}
ua = null;
for (var l in swfmini) {
swfmini[l] = null;
}
swfmini = null;
});
}
}();
webshims.ready('DOM', callDomLoadFunctions);
return {
/* Public API
- Reference: http://code.google.com/p/swfobject/wiki/documentation
*/
registerObject: function() {
},
getObjectById: function(objectIdStr) {
if (ua.w3) {
return getObjectById(objectIdStr);
}
},
embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj, callbackFn) {
var callbackObj = {success:false, id:replaceElemIdStr};
if (ua.w3 && !(ua.wk && ua.wk < 312) && swfUrlStr && replaceElemIdStr && widthStr && heightStr && swfVersionStr) {
setVisibility(replaceElemIdStr, false);
addDomLoadEvent(function() {
widthStr += ""; // auto-convert to string
heightStr += "";
var att = {};
if (attObj && typeof attObj === OBJECT) {
for (var i in attObj) { // copy object to avoid the use of references, because web authors often reuse attObj for multiple SWFs
att[i] = attObj[i];
}
}
att.data = swfUrlStr;
att.width = widthStr;
att.height = heightStr;
var par = {};
if (parObj && typeof parObj === OBJECT) {
for (var j in parObj) { // copy object to avoid the use of references, because web authors often reuse parObj for multiple SWFs
par[j] = parObj[j];
}
}
if (flashvarsObj && typeof flashvarsObj === OBJECT) {
for (var k in flashvarsObj) { // copy object to avoid the use of references, because web authors often reuse flashvarsObj for multiple SWFs
if (typeof par.flashvars != UNDEF) {
par.flashvars += "&" + k + "=" + flashvarsObj[k];
}
else {
par.flashvars = k + "=" + flashvarsObj[k];
}
}
}
if (hasPlayerVersion(swfVersionStr)) { // create SWF
var obj = createSWF(att, par, replaceElemIdStr);
if (att.id == replaceElemIdStr) {
setVisibility(replaceElemIdStr, true);
}
callbackObj.success = true;
callbackObj.ref = obj;
}
else { // show alternative content
setVisibility(replaceElemIdStr, true);
}
if (callbackFn) { callbackFn(callbackObj); }
});
}
else if (callbackFn) { callbackFn(callbackObj); }
},
switchOffAutoHideShow: function() {
autoHideShow = false;
},
ua: ua,
getFlashPlayerVersion: function() {
return { major:ua.pv[0], minor:ua.pv[1], release:ua.pv[2] };
},
hasFlashPlayerVersion: hasPlayerVersion,
createSWF: function(attObj, parObj, replaceElemIdStr) {
if (ua.w3) {
return createSWF(attObj, parObj, replaceElemIdStr);
}
else {
return undefined;
}
},
showExpressInstall: function() {
},
removeSWF: function(objElemIdStr) {
if (ua.w3) {
removeSWF(objElemIdStr);
}
},
createCSS: function() {
},
addDomLoadEvent: addDomLoadEvent,
addLoadEvent: addLoadEvent,
// For internal usage only
expressInstallCallback: function() {
}
};
}();
(function(Modernizr, webshims){
"use strict";
var $ = webshims.$;
var hasNative = Modernizr.audio && Modernizr.video;
var supportsLoop = false;
var bugs = webshims.bugs;
var swfType = 'mediaelement-jaris';
var loadSwf = function(){
webshims.ready(swfType, function(){
if(!webshims.mediaelement.createSWF){
webshims.mediaelement.loadSwf = true;
webshims.reTest([swfType], hasNative);
}
});
};
var wsCfg = webshims.cfg;
var options = wsCfg.mediaelement;
var hasFullTrackSupport;
var hasSwf;
if(!options){
webshims.error("mediaelement wasn't implemented but loaded");
return;
}
if(hasNative){
var videoElem = document.createElement('video');
Modernizr.videoBuffered = ('buffered' in videoElem);
Modernizr.mediaDefaultMuted = ('defaultMuted' in videoElem);
supportsLoop = ('loop' in videoElem);
webshims.capturingEvents(['play', 'playing', 'waiting', 'paused', 'ended', 'durationchange', 'loadedmetadata', 'canplay', 'volumechange']);
if(!Modernizr.videoBuffered ){
webshims.addPolyfill('mediaelement-native-fix', {
d: ['dom-support']
});
webshims.loader.loadList(['mediaelement-native-fix']);
}
if(!options.preferFlash){
var noSwitch = {
1: 1
};
var switchOptions = function(e){
var media, error, parent;
if(!options.preferFlash &&
($(e.target).is('audio, video') || ((parent = e.target.parentNode) && $('source:last', parent)[0] == e.target)) &&
(media = $(e.target).closest('audio, video')) && (error = media.prop('error')) && !noSwitch[error.code]
){
$(function(){
if(hasSwf && !options.preferFlash){
loadSwf();
webshims.ready('WINDOWLOAD '+swfType, function(){
setTimeout(function(){
if(!options.preferFlash && webshims.mediaelement.createSWF && !media.is('.nonnative-api-active')){
options.preferFlash = true;
document.removeEventListener('error', switchOptions, true);
$('audio, video').each(function(){
webshims.mediaelement.selectSource(this);
});
webshims.error("switching mediaelements option to 'preferFlash', due to an error with native player: "+e.target.src+" Mediaerror: "+ media.prop('error')+ 'first error: '+ error);
}
}, 9);
});
} else{
document.removeEventListener('error', switchOptions, true);
}
});
}
};
document.addEventListener('error', switchOptions, true);
$('audio, video').each(function(){
var error = $.prop(this, 'error');
if(error && !noSwitch[error]){
switchOptions({target: this});
return false;
}
});
}
}
if(Modernizr.track && !bugs.track){
(function(){
if(!bugs.track){
bugs.track = typeof $('')[0].readyState != 'number';
}
if(!bugs.track){
try {
new TextTrackCue(2, 3, '');
} catch(e){
bugs.track = true;
}
}
})();
}
hasFullTrackSupport = Modernizr.track && !bugs.track;
webshims.register('mediaelement-core', function($, webshims, window, document, undefined, options){
hasSwf = swfmini.hasFlashPlayerVersion('9.0.115');
$('html').addClass(hasSwf ? 'swf' : 'no-swf');
var mediaelement = webshims.mediaelement;
mediaelement.parseRtmp = function(data){
var src = data.src.split('://');
var paths = src[1].split('/');
var i, len, found;
data.server = src[0]+'://'+paths[0]+'/';
data.streamId = [];
for(i = 1, len = paths.length; i < len; i++){
if(!found && paths[i].indexOf(':') !== -1){
paths[i] = paths[i].split(':')[1];
found = true;
}
if(!found){
data.server += paths[i]+'/';
} else {
data.streamId.push(paths[i]);
}
}
if(!data.streamId.length){
webshims.error('Could not parse rtmp url');
}
data.streamId = data.streamId.join('/');
};
var getSrcObj = function(elem, nodeName){
elem = $(elem);
var src = {src: elem.attr('src') || '', elem: elem, srcProp: elem.prop('src')};
var tmp;
if(!src.src){return src;}
tmp = elem.attr('data-server');
if(tmp != null){
src.server = tmp;
}
tmp = elem.attr('type') || elem.attr('data-type');
if(tmp){
src.type = tmp;
src.container = $.trim(tmp.split(';')[0]);
} else {
if(!nodeName){
nodeName = elem[0].nodeName.toLowerCase();
if(nodeName == 'source'){
nodeName = (elem.closest('video, audio')[0] || {nodeName: 'video'}).nodeName.toLowerCase();
}
}
if(src.server){
src.type = nodeName+'/rtmp';
src.container = nodeName+'/rtmp';
} else {
tmp = mediaelement.getTypeForSrc( src.src, nodeName, src );
if(tmp){
src.type = tmp;
src.container = tmp;
}
}
}
if(!src.container){
$(elem).attr('data-wsrecheckmimetype', '');
}
tmp = elem.attr('media');
if(tmp){
src.media = tmp;
}
if(src.type == 'audio/rtmp' || src.type == 'video/rtmp'){
if(src.server){
src.streamId = src.src;
} else {
mediaelement.parseRtmp(src);
}
}
return src;
};
var hasYt = !hasSwf && ('postMessage' in window) && hasNative;
var loadTrackUi = function(){
if(loadTrackUi.loaded){return;}
loadTrackUi.loaded = true;
if(!options.noAutoTrack){
webshims.ready('WINDOWLOAD', function(){
loadThird();
webshims.loader.loadList(['track-ui']);
});
}
};
// var loadMediaGroup = function(){
// if(!loadMediaGroup.loaded){
// loadMediaGroup.loaded = true;
// webshims.ready(window.MediaController ? 'WINDOWLOAD' : 'DOM', function(){
// webshims.loader.loadList(['mediagroup']);
// });
// }
// };
var loadYt = (function(){
var loaded;
return function(){
if(loaded || !hasYt){return;}
loaded = true;
webshims.loader.loadScript("https://www.youtube.com/player_api");
$(function(){
webshims._polyfill(["mediaelement-yt"]);
});
};
})();
var loadThird = function(){
if(hasSwf){
loadSwf();
} else {
loadYt();
}
};
webshims.addPolyfill('mediaelement-yt', {
test: !hasYt,
d: ['dom-support']
});
// webshims.addModule('mediagroup', {
// d: ['mediaelement', 'dom-support']
// });
mediaelement.mimeTypes = {
audio: {
//ogm shouldn´t be used!
'audio/ogg': ['ogg','oga', 'ogm'],
'audio/ogg;codecs="opus"': 'opus',
'audio/mpeg': ['mp2','mp3','mpga','mpega'],
'audio/mp4': ['mp4','mpg4', 'm4r', 'm4a', 'm4p', 'm4b', 'aac'],
'audio/wav': ['wav'],
'audio/3gpp': ['3gp','3gpp'],
'audio/webm': ['webm'],
'audio/fla': ['flv', 'f4a', 'fla'],
'application/x-mpegURL': ['m3u8', 'm3u']
},
video: {
//ogm shouldn´t be used!
'video/ogg': ['ogg','ogv', 'ogm'],
'video/mpeg': ['mpg','mpeg','mpe'],
'video/mp4': ['mp4','mpg4', 'm4v'],
'video/quicktime': ['mov','qt'],
'video/x-msvideo': ['avi'],
'video/x-ms-asf': ['asf', 'asx'],
'video/flv': ['flv', 'f4v'],
'video/3gpp': ['3gp','3gpp'],
'video/webm': ['webm'],
'application/x-mpegURL': ['m3u8', 'm3u'],
'video/MP2T': ['ts']
}
}
;
mediaelement.mimeTypes.source = $.extend({}, mediaelement.mimeTypes.audio, mediaelement.mimeTypes.video);
mediaelement.getTypeForSrc = function(src, nodeName, data){
if(src.indexOf('youtube.com/watch?') != -1 || src.indexOf('youtube.com/v/') != -1){
return 'video/youtube';
}
if(src.indexOf('rtmp') === 0){
return nodeName+'/rtmp';
}
src = src.split('?')[0].split('#')[0].split('.');
src = src[src.length - 1];
var mt;
$.each(mediaelement.mimeTypes[nodeName], function(mimeType, exts){
if(exts.indexOf(src) !== -1){
mt = mimeType;
return false;
}
});
return mt;
};
mediaelement.srces = function(mediaElem, srces){
mediaElem = $(mediaElem);
if(!srces){
srces = [];
var nodeName = mediaElem[0].nodeName.toLowerCase();
var src = getSrcObj(mediaElem, nodeName);
if(!src.src){
$('source', mediaElem).each(function(){
src = getSrcObj(this, nodeName);
if(src.src){srces.push(src);}
});
} else {
srces.push(src);
}
return srces;
} else {
mediaElem.removeAttr('src').removeAttr('type').find('source').remove();
if(!$.isArray(srces)){
srces = [srces];
}
srces.forEach(function(src){
if(typeof src == 'string'){
src = {src: src};
}
mediaElem.append($(document.createElement('source')).attr(src));
});
}
};
$.fn.loadMediaSrc = function(srces, poster){
return this.each(function(){
if(poster !== undefined){
$(this).removeAttr('poster');
if(poster){
$.attr(this, 'poster', poster);
}
}
mediaelement.srces(this, srces);
$(this).mediaLoad();
});
};
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', 'video/youtube', 'video/rtmp', 'audio/rtmp'];
mediaelement.canThirdPlaySrces = function(mediaElem, srces){
var ret = '';
if(hasSwf || hasYt){
mediaElem = $(mediaElem);
srces = srces || mediaelement.srces(mediaElem);
$.each(srces, function(i, src){
if(src.container && src.src && ((hasSwf && mediaelement.swfMimeTypes.indexOf(src.container) != -1) || (hasYt && src.container == 'video/youtube'))){
ret = src;
return false;
}
});
}
return ret;
};
var nativeCanPlayType = {};
mediaelement.canNativePlaySrces = function(mediaElem, srces){
var ret = '';
if(hasNative){
mediaElem = $(mediaElem);
var nodeName = (mediaElem[0].nodeName || '').toLowerCase();
var nativeCanPlay = (nativeCanPlayType[nodeName] || {prop: {_supvalue: false}}).prop._supvalue || mediaElem[0].canPlayType;
if(!nativeCanPlay){return ret;}
srces = srces || mediaelement.srces(mediaElem);
$.each(srces, function(i, src){
if(src.type && nativeCanPlay.call(mediaElem[0], src.type) ){
ret = src;
return false;
}
});
}
return ret;
};
var emptyType = (/^\s*application\/octet\-stream\s*$/i);
var getRemoveEmptyType = function(){
var ret = emptyType.test($.attr(this, 'type') || '');
if(ret){
$(this).removeAttr('type');
}
return ret;
};
mediaelement.setError = function(elem, message){
if($('source', elem).filter(getRemoveEmptyType).length){
webshims.error('"application/octet-stream" is a useless mimetype for audio/video. Please change this attribute.');
try {
$(elem).mediaLoad();
} catch(er){}
} else {
if(!message){
message = "can't play sources";
}
$(elem).pause().data('mediaerror', message);
webshims.error('mediaelementError: '+ message);
setTimeout(function(){
if($(elem).data('mediaerror')){
$(elem).addClass('media-error').trigger('mediaerror');
}
}, 1);
}
};
var handleThird = (function(){
var requested;
var readyType = hasSwf ? swfType : 'mediaelement-yt';
return function( mediaElem, ret, data ){
//readd to ready
webshims.ready(readyType, function(){
if(mediaelement.createSWF && $(mediaElem).parent()[0]){
mediaelement.createSWF( mediaElem, ret, data );
} else if(!requested) {
requested = true;
loadThird();
handleThird( mediaElem, ret, data );
}
});
if(!requested && hasYt && !mediaelement.createSWF){
loadYt();
}
};
})();
var stepSources = function(elem, data, useSwf, _srces, _noLoop){
var ret;
if(useSwf || (useSwf !== false && data && data.isActive == 'third')){
ret = mediaelement.canThirdPlaySrces(elem, _srces);
if(!ret){
if(_noLoop){
mediaelement.setError(elem, false);
} else {
stepSources(elem, data, false, _srces, true);
}
} else {
handleThird(elem, ret, data);
}
} else {
ret = mediaelement.canNativePlaySrces(elem, _srces);
if(!ret){
if(_noLoop){
mediaelement.setError(elem, false);
if(data && data.isActive == 'third') {
mediaelement.setActive(elem, 'html5', data);
}
} else {
stepSources(elem, data, true, _srces, true);
}
} else if(data && data.isActive == 'third') {
mediaelement.setActive(elem, 'html5', data);
}
}
};
var stopParent = /^(?:embed|object|datalist)$/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, options.preferFlash || undefined, _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();
}, 1);
});
var handleMedia = false;
var initMediaElements = function(){
var testFixMedia = function(){
if(webshims.implement(this, 'mediaelement')){
selectSource(this);
if(!Modernizr.mediaDefaultMuted && $.attr(this, 'muted') != null){
$.prop(this, 'muted', true);
}
//fixes for FF 12 and IE9/10 || does not hurt, if run in other browsers
if(hasNative && (!supportsLoop || ('ActiveXObject' in window))){
var bufferTimer;
var lastBuffered;
var elem = this;
var getBufferedString = function(){
var buffered = $.prop(elem, 'buffered');
if(!buffered){return;}
var bufferString = "";
for(var i = 0, len = buffered.length; i < len;i++){
bufferString += buffered.end(i);
}
return bufferString;
};
var testBuffer = function(){
var buffered = getBufferedString();
if(buffered != lastBuffered){
lastBuffered = buffered;
webshims.info('needed to trigger progress manually');
$(elem).triggerHandler('progress');
}
};
$(this)
.on({
'play loadstart progress': function(e){
if(e.type == 'progress'){
lastBuffered = getBufferedString();
}
clearTimeout(bufferTimer);
bufferTimer = setTimeout(testBuffer, 400);
},
'emptied stalled mediaerror abort suspend': function(e){
if(e.type == 'emptied'){
lastBuffered = false;
}
clearTimeout(bufferTimer);
}
})
;
if('ActiveXObject' in window && $.prop(this, 'paused') && !$.prop(this, 'readyState') && $(this).is('audio[preload="none"][controls]:not([autoplay],.nonnative-api-active)')){
$(this).prop('preload', 'metadata').mediaLoad();
}
}
}
};
webshims.ready('dom-support', function(){
handleMedia = true;
if(!supportsLoop){
webshims.defineNodeNamesBooleanProperty(['audio', 'video'], 'loop');
}
['audio', 'video'].forEach(function(nodeName){
var supLoad, supController;
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);
}
}
}
});
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';
}
}
return ret;
}
}
});
// supController = webshims.defineNodeNameProperty(nodeName, 'controller', {
// prop: {
// get: function(type){
// if(!loadMediaGroup.loaded){
// loadMediaGroup();
// }
// if(mediaelement.controller){
// return mediaelement.controller[nodeName].get.apply(this, arguments);
// }
// return supController.prop._supget && supController.prop._supget.apply(this, arguments);
// },
// set: function(){
// var that = this;
// var args = arguments;
// if(!loadMediaGroup.loaded){
// loadMediaGroup();
// }
// if(mediaelement.controller){
// return mediaelement.controller[nodeName].set.apply(that, args);
// } else {
// webshims.ready('mediagroup', function(){
// mediaelement.controller[nodeName].set.apply(that, args);
// });
// }
// return supController.prop._supset && supController.prop._supset.apply(this, arguments);
// }
// }
// });
// webshims.ready('mediagroup', function(){
// mediaelement.controller[nodeName].sup = supController;
// });
});
// webshims.onNodeNamesPropertyModify(['audio', 'video'], ['mediaGroup'], {
// set: function(){
// var that = this;
// var args = arguments;
// if(!loadMediaGroup.loaded){
// loadMediaGroup();
// }
// if(mediaelement.mediagroup){
// mediaelement.mediagroup.set.apply(that, args);
// } else {
// webshims.ready('mediagroup', function(){
// mediaelement.mediagroup.set.apply(that, args);
// });
// }
// },
// initAttr: true
// });
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();
}
// if(!loadMediaGroup.loaded && this.getAttribute('mediagroup')){
// loadMediaGroup();
// }
media = null;
});
});
if(hasNative && !handleMedia){
webshims.addReady(function(context, insertedElement){
if(!handleMedia){
$('video, audio', context)
.add(insertedElement.filter('video, audio'))
.each(function(){
if(!mediaelement.canNativePlaySrces(this)){
loadThird();
handleMedia = true;
return false;
}
})
;
}
});
}
};
if(hasFullTrackSupport){
webshims.defineProperty(TextTrack.prototype, 'shimActiveCues', {
get: function(){
return this._shimActiveCues || this.activeCues;
}
});
}
//set native implementation ready, before swf api is retested
if(hasNative){
webshims.isReady('mediaelement-core', true);
initMediaElements();
webshims.ready('WINDOWLOAD mediaelement', loadThird);
} else {
webshims.ready(swfType, initMediaElements);
}
webshims.ready('track', loadTrackUi);
});
})(Modernizr, webshims);
webshims.register('track', function($, webshims, window, document, undefined){
"use strict";
var mediaelement = webshims.mediaelement;
var id = new Date().getTime();
var ADDBACK = $.fn.addBack ? 'addBack' : 'andSelf';
//descriptions are not really shown, but they are inserted into the dom
var showTracks = {subtitles: 1, captions: 1, descriptions: 1};
var notImplemented = function(){
webshims.error('not implemented yet');
};
var dummyTrack = $('');
var supportTrackMod = Modernizr.ES5 && Modernizr.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");
}
}
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 owns = Function.prototype.call.bind(Object.prototype.hasOwnProperty);
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]}));
}
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;
}, 1);
}
};
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 = $('')[0];
var TextTrackCue = function(startTime, endTime, text){
if(arguments.length != 3){
webshims.error("wrong arguments.length for TextTrackCue.constructor");
}
this.startTime = startTime;
this.endTime = endTime;
this.text = text;
createEventTarget(this);
};
TextTrackCue.prototype = {
onenter: null,
onexit: null,
pauseOnExit: false,
getCueAsHTML: function(){
var lastText = "";
var parsedText = "";
var fragment = document.createDocumentFragment();
var fn;
if(!owns(this, 'getCueAsHTML')){
fn = this.getCueAsHTML = function(){
var i, len;
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);
};
}
return fn ? fn.apply(this, arguments) : fragment.cloneNode(true);
},
track: null,
id: ''
//todo-->
// ,
// snapToLines: true,
// line: 'auto',
// size: 100,
// position: 50,
// vertical: '',
// align: 'middle'
};
window.TextTrackCue = TextTrackCue;
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);
};
})();
mediaelement.loadTextTrack = function(mediaelem, track, trackData, _default){
var loadEvents = 'play playing updatetrackdisplay';
var obj = trackData.track;
var load = function(){
var error, ajax, src;
if(obj.mode != 'disabled' && $.attr(track, 'src') && (src = $.prop(track, 'src'))){
$(mediaelem).unbind(loadEvents, load);
if(!trackData.readyState){
error = function(){
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();
ajax = $.ajax({
dataType: 'text',
url: src,
success: function(text){
if(ajax.getResponseHeader('content-type') != '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
});
} catch(er){
error();
webshims.error(er);
}
}
}
};
trackData.readyState = 0;
obj.shimActiveCues = null;
obj._shimActiveCues = null;
obj.activeCues = null;
obj.cues = null;
$(mediaelem).unbind(loadEvents, load);
$(mediaelem).on(loadEvents, load);
if(_default){
obj.mode = showTracks[obj.kind] ? 'showing' : 'hidden';
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;
}
return obj;
};
/*
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 GoogleTimestampParser = /^([\d\.]+)\s+\+([\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;
return function(subtitleElement,objectCount){
var cueDefaults = [];
var subtitleParts, timeIn, timeOut, html, timeData, subtitlePartIndex, cueSettings = "", id, specialCueData;
var timestampMatch, tmpCue;
// WebVTT Special Cue Logic
if ((specialCueData = WebVTTDEFAULTSCueParser.exec(subtitleElement))) {
// cueDefaults = specialCueData.slice(2).join("");
// cueDefaults = cueDefaults.split(/\s+/g).filter(function(def) { return def && !!def.length; });
return null;
} else if ((specialCueData = WebVTTSTYLECueParser.exec(subtitleElement))) {
return null;
} else if ((specialCueData = WebVTTCOMMENTCueParser.exec(subtitleElement))) {
return null; // At this stage, we don't want to do anything with these.
}
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))) {
// 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 TextTrackCue 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 TextTrackCue(timeIn, timeOut, html);
if(id){
tmpCue.id = id;
}
return tmpCue;
};
})();
mediaelement.parseCaptions = function(captionData, track, complete) {
var subtitles = mediaelement.createCueList();
var cue, lazyProcess, regWevVTT;
var startDate;
var isWEBVTT;
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){
if(!isWEBVTT){
webshims.error('please use WebVTT format. This is the standard');
complete(null);
break;
}
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(!Modernizr.track){
webshims.defineNodeNamesBooleanProperty(['track'], 'default');
webshims.reflectProperties(['track'], ['srclang', 'label']);
webshims.defineNodeNameProperties('track', {
src: {
//attr: {},
reflect: true,
propType: 'src'
}
});
}
webshims.defineNodeNameProperties('track', {
kind: {
attr: Modernizr.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');
var track = this;
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');
$(document).on('emptied ended updatetracklist', function(e){
if($(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 startTrackImplementation = function(){
if(webshims.implement(this, 'track')){
var shimedTrack = $.prop(this, 'track');
var origTrack = this.track;
var kind;
var readyState;
if(origTrack){
kind = $.prop(this, 'kind');
readyState = getNativeReadyState(this, origTrack);
if (origTrack.mode || readyState) {
shimedTrack.mode = numericModes[origTrack.mode] || origTrack.mode;
}
//disable track from showing + remove UI
if(kind != 'descriptions'){
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);
})
.each(function(){
if(Modernizr.track){
var shimedTextTracks = $.prop(this, 'textTracks');
var origTextTracks = this.textTracks;
if(shimedTextTracks.length != origTextTracks.length){
webshims.error("textTracks couldn't be copied");
}
$('track', this).each(startTrackImplementation);
}
})
;
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(Modernizr.texttrackapi){
$('video, audio').trigger('trackapichange');
}
});