mediaelement-and-player.js

/*!
* MediaElement.js
* HTML5 <video> and <audio> shim and player
* http://mediaelementjs.com/
*
* Creates a JavaScript object that mimics HTML5 MediaElement API
* for browsers that don't understand HTML5 or can't play the provided codec
* Can play MP4 (H.264), Ogg, WebM, FLV, WMV, WMA, ACC, and MP3
*
* Copyright 2010-2014, John Dyer (http://j.hn)
* License: MIT
*
*/
// Namespace
var mejs = mejs || {};

// version number
mejs.version = '2.15.1'; 


// player number (for missing, same id attr)
mejs.meIndex = 0;

// media types accepted by plugins
mejs.plugins = {
	silverlight: [
		{version: [3,0], types: ['video/mp4','video/m4v','video/mov','video/wmv','audio/wma','audio/m4a','audio/mp3','audio/wav','audio/mpeg']}
	],
	flash: [
		{version: [9,0,124], types: ['video/mp4','video/m4v','video/mov','video/flv','video/rtmp','video/x-flv','audio/flv','audio/x-flv','audio/mp3','audio/m4a','audio/mpeg', 'video/youtube', 'video/x-youtube', 'application/x-mpegURL']}
		//,{version: [12,0], types: ['video/webm']} // for future reference (hopefully!)
	],
	youtube: [
		{version: null, types: ['video/youtube', 'video/x-youtube', 'audio/youtube', 'audio/x-youtube']}
	],
	vimeo: [
		{version: null, types: ['video/vimeo', 'video/x-vimeo']}
	]
};

/*
Utility methods
*/
mejs.Utility = {
	encodeUrl: function(url) {
		return encodeURIComponent(url); //.replace(/\?/gi,'%3F').replace(/=/gi,'%3D').replace(/&/gi,'%26');
	},
	escapeHTML: function(s) {
		return s.toString().split('&').join('&amp;').split('<').join('&lt;').split('"').join('&quot;');
	},
	absolutizeUrl: function(url) {
		var el = document.createElement('div');
		el.innerHTML = '<a href="' + this.escapeHTML(url) + '">x</a>';
		return el.firstChild.href;
	},
	getScriptPath: function(scriptNames) {
		var
			i = 0,
			j,
			codePath = '',
			testname = '',
			slashPos,
			filenamePos,
			scriptUrl,
			scriptPath,			
			scriptFilename,
			scripts = document.getElementsByTagName('script'),
			il = scripts.length,
			jl = scriptNames.length;
			
		// go through all <script> tags
		for (; i < il; i++) {
			scriptUrl = scripts[i].src;
			slashPos = scriptUrl.lastIndexOf('/');
			if (slashPos > -1) {
				scriptFilename = scriptUrl.substring(slashPos + 1);
				scriptPath = scriptUrl.substring(0, slashPos + 1);
			} else {
				scriptFilename = scriptUrl;
				scriptPath = '';			
			}
			
			// see if any <script> tags have a file name that matches the 
			for (j = 0; j < jl; j++) {
				testname = scriptNames[j];
				filenamePos = scriptFilename.indexOf(testname);
				if (filenamePos > -1) {
					codePath = scriptPath;
					break;
				}
			}
			
			// if we found a path, then break and return it
			if (codePath !== '') {
				break;
			}
		}
		
		// send the best path back
		return codePath;
	},
	secondsToTimeCode: function(time, forceHours, showFrameCount, fps) {
		//add framecount
		if (typeof showFrameCount == 'undefined') {
		    showFrameCount=false;
		} else if(typeof fps == 'undefined') {
		    fps = 25;
		}
	
		var hours = Math.floor(time / 3600) % 24,
			minutes = Math.floor(time / 60) % 60,
			seconds = Math.floor(time % 60),
			frames = Math.floor(((time % 1)*fps).toFixed(3)),
			result = 
					( (forceHours || hours > 0) ? (hours < 10 ? '0' + hours : hours) + ':' : '')
						+ (minutes < 10 ? '0' + minutes : minutes) + ':'
						+ (seconds < 10 ? '0' + seconds : seconds)
						+ ((showFrameCount) ? ':' + (frames < 10 ? '0' + frames : frames) : '');
	
		return result;
	},
	
	timeCodeToSeconds: function(hh_mm_ss_ff, forceHours, showFrameCount, fps){
		if (typeof showFrameCount == 'undefined') {
		    showFrameCount=false;
		} else if(typeof fps == 'undefined') {
		    fps = 25;
		}
	
		var tc_array = hh_mm_ss_ff.split(":"),
			tc_hh = parseInt(tc_array[0], 10),
			tc_mm = parseInt(tc_array[1], 10),
			tc_ss = parseInt(tc_array[2], 10),
			tc_ff = 0,
			tc_in_seconds = 0;
		
		if (showFrameCount) {
		    tc_ff = parseInt(tc_array[3])/fps;
		}
		
		tc_in_seconds = ( tc_hh * 3600 ) + ( tc_mm * 60 ) + tc_ss + tc_ff;
		
		return tc_in_seconds;
	},
	

	convertSMPTEtoSeconds: function (SMPTE) {
		if (typeof SMPTE != 'string') 
			return false;

		SMPTE = SMPTE.replace(',', '.');
		
		var secs = 0,
			decimalLen = (SMPTE.indexOf('.') != -1) ? SMPTE.split('.')[1].length : 0,
			multiplier = 1;
		
		SMPTE = SMPTE.split(':').reverse();
		
		for (var i = 0; i < SMPTE.length; i++) {
			multiplier = 1;
			if (i > 0) {
				multiplier = Math.pow(60, i); 
			}
			secs += Number(SMPTE[i]) * multiplier;
		}
		return Number(secs.toFixed(decimalLen));
	},	
	
	/* borrowed from SWFObject: http://code.google.com/p/swfobject/source/browse/trunk/swfobject/src/swfobject.js#474 */
	removeSwf: function(id) {
		var obj = document.getElementById(id);
		if (obj && /object|embed/i.test(obj.nodeName)) {
			if (mejs.MediaFeatures.isIE) {
				obj.style.display = "none";
				(function(){
					if (obj.readyState == 4) {
						mejs.Utility.removeObjectInIE(id);
					} else {
						setTimeout(arguments.callee, 10);
					}
				})();
			} else {
				obj.parentNode.removeChild(obj);
			}
		}
	},
	removeObjectInIE: function(id) {
		var obj = document.getElementById(id);
		if (obj) {
			for (var i in obj) {
				if (typeof obj[i] == "function") {
					obj[i] = null;
				}
			}
			obj.parentNode.removeChild(obj);
		}		
	}
};


// Core detector, plugins are added below
mejs.PluginDetector = {

	// main public function to test a plug version number PluginDetector.hasPluginVersion('flash',[9,0,125]);
	hasPluginVersion: function(plugin, v) {
		var pv = this.plugins[plugin];
		v[1] = v[1] || 0;
		v[2] = v[2] || 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;
	},

	// cached values
	nav: window.navigator,
	ua: window.navigator.userAgent.toLowerCase(),

	// stored version numbers
	plugins: [],

	// runs detectPlugin() and stores the version number
	addPlugin: function(p, pluginName, mimeType, activeX, axDetect) {
		this.plugins[p] = this.detectPlugin(pluginName, mimeType, activeX, axDetect);
	},

	// get the version number from the mimetype (all but IE) or ActiveX (IE)
	detectPlugin: function(pluginName, mimeType, activeX, axDetect) {

		var version = [0,0,0],
			description,
			i,
			ax;

		// Firefox, Webkit, Opera
		if (typeof(this.nav.plugins) != 'undefined' && typeof this.nav.plugins[pluginName] == 'object') {
			description = this.nav.plugins[pluginName].description;
			if (description && !(typeof this.nav.mimeTypes != 'undefined' && this.nav.mimeTypes[mimeType] && !this.nav.mimeTypes[mimeType].enabledPlugin)) {
				version = description.replace(pluginName, '').replace(/^\s+/,'').replace(/\sr/gi,'.').split('.');
				for (i=0; i<version.length; i++) {
					version[i] = parseInt(version[i].match(/\d+/), 10);
				}
			}
		// Internet Explorer / ActiveX
		} else if (typeof(window.ActiveXObject) != 'undefined') {
			try {
				ax = new ActiveXObject(activeX);
				if (ax) {
					version = axDetect(ax);
				}
			}
			catch (e) { }
		}
		return version;
	}
};

// Add Flash detection
mejs.PluginDetector.addPlugin('flash','Shockwave Flash','application/x-shockwave-flash','ShockwaveFlash.ShockwaveFlash', function(ax) {
	// adapted from SWFObject
	var version = [],
		d = ax.GetVariable("$version");
	if (d) {
		d = d.split(" ")[1].split(",");
		version = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
	}
	return version;
});

// Add Silverlight detection
mejs.PluginDetector.addPlugin('silverlight','Silverlight Plug-In','application/x-silverlight-2','AgControl.AgControl', function (ax) {
	// Silverlight cannot report its version number to IE
	// but it does have a isVersionSupported function, so we have to loop through it to get a version number.
	// adapted from http://www.silverlightversion.com/
	var v = [0,0,0,0],
		loopMatch = function(ax, v, i, n) {
			while(ax.isVersionSupported(v[0]+ "."+ v[1] + "." + v[2] + "." + v[3])){
				v[i]+=n;
			}
			v[i] -= n;
		};
	loopMatch(ax, v, 0, 1);
	loopMatch(ax, v, 1, 1);
	loopMatch(ax, v, 2, 10000); // the third place in the version number is usually 5 digits (4.0.xxxxx)
	loopMatch(ax, v, 2, 1000);
	loopMatch(ax, v, 2, 100);
	loopMatch(ax, v, 2, 10);
	loopMatch(ax, v, 2, 1);
	loopMatch(ax, v, 3, 1);

	return v;
});
// add adobe acrobat
/*
PluginDetector.addPlugin('acrobat','Adobe Acrobat','application/pdf','AcroPDF.PDF', function (ax) {
	var version = [],
		d = ax.GetVersions().split(',')[0].split('=')[1].split('.');

	if (d) {
		version = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
	}
	return version;
});
*/
// necessary detection (fixes for <IE9)
mejs.MediaFeatures = {
	init: function() {
		var
			t = this,
			d = document,
			nav = mejs.PluginDetector.nav,
			ua = mejs.PluginDetector.ua.toLowerCase(),
			i,
			v,
			html5Elements = ['source','track','audio','video'];

		// detect browsers (only the ones that have some kind of quirk we need to work around)
		t.isiPad = (ua.match(/ipad/i) !== null);
		t.isiPhone = (ua.match(/iphone/i) !== null);
		t.isiOS = t.isiPhone || t.isiPad;
		t.isAndroid = (ua.match(/android/i) !== null);
		t.isBustedAndroid = (ua.match(/android 2\.[12]/) !== null);
		t.isBustedNativeHTTPS = (location.protocol === 'https:' && (ua.match(/android [12]\./) !== null || ua.match(/macintosh.* version.* safari/) !== null));
		t.isIE = (nav.appName.toLowerCase().indexOf("microsoft") != -1 || nav.appName.toLowerCase().match(/trident/gi) !== null);
		t.isChrome = (ua.match(/chrome/gi) !== null);
		t.isChromium = (ua.match(/chromium/gi) !== null);
		t.isFirefox = (ua.match(/firefox/gi) !== null);
		t.isWebkit = (ua.match(/webkit/gi) !== null);
		t.isGecko = (ua.match(/gecko/gi) !== null) && !t.isWebkit && !t.isIE;
		t.isOpera = (ua.match(/opera/gi) !== null);
		t.hasTouch = ('ontouchstart' in window); //  && window.ontouchstart != null); // this breaks iOS 7
		
		// borrowed from Modernizr
		t.svg = !! document.createElementNS &&
				!! document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect;

		// create HTML5 media elements for IE before 9, get a <video> element for fullscreen detection
		for (i=0; i<html5Elements.length; i++) {
			v = document.createElement(html5Elements[i]);
		}
		
		t.supportsMediaTag = (typeof v.canPlayType !== 'undefined' || t.isBustedAndroid);

		// Fix for IE9 on Windows 7N / Windows 7KN (Media Player not installer)
		try{
			v.canPlayType("video/mp4");
		}catch(e){
			t.supportsMediaTag = false;
		}

		// detect native JavaScript fullscreen (Safari/Firefox only, Chrome still fails)
		
		// iOS
		t.hasSemiNativeFullScreen = (typeof v.webkitEnterFullscreen !== 'undefined');
		
		// W3C
		t.hasNativeFullscreen = (typeof v.requestFullscreen !== 'undefined');
		
		// webkit/firefox/IE11+
		t.hasWebkitNativeFullScreen = (typeof v.webkitRequestFullScreen !== 'undefined');
		t.hasMozNativeFullScreen = (typeof v.mozRequestFullScreen !== 'undefined');
		t.hasMsNativeFullScreen = (typeof v.msRequestFullscreen !== 'undefined');
		
		t.hasTrueNativeFullScreen = (t.hasWebkitNativeFullScreen || t.hasMozNativeFullScreen || t.hasMsNativeFullScreen);
		t.nativeFullScreenEnabled = t.hasTrueNativeFullScreen;
		
		// Enabled?
		if (t.hasMozNativeFullScreen) {
			t.nativeFullScreenEnabled = document.mozFullScreenEnabled;
		} else if (t.hasMsNativeFullScreen) {
			t.nativeFullScreenEnabled = document.msFullscreenEnabled;		
		}
		
		if (t.isChrome) {
			t.hasSemiNativeFullScreen = false;
		}
		
		if (t.hasTrueNativeFullScreen) {
			
			t.fullScreenEventName = '';
			if (t.hasWebkitNativeFullScreen) { 
				t.fullScreenEventName = 'webkitfullscreenchange';
				
			} else if (t.hasMozNativeFullScreen) {
				t.fullScreenEventName = 'mozfullscreenchange';
				
			} else if (t.hasMsNativeFullScreen) {
				t.fullScreenEventName = 'MSFullscreenChange';
			}
			
			t.isFullScreen = function() {
				if (t.hasMozNativeFullScreen) {
					return d.mozFullScreen;
				
				} else if (t.hasWebkitNativeFullScreen) {
					return d.webkitIsFullScreen;
				
				} else if (t.hasMsNativeFullScreen) {
					return d.msFullscreenElement !== null;
				}
			}
					
			t.requestFullScreen = function(el) {
		
				if (t.hasWebkitNativeFullScreen) {
					el.webkitRequestFullScreen();
					
				} else if (t.hasMozNativeFullScreen) {
					el.mozRequestFullScreen();

				} else if (t.hasMsNativeFullScreen) {
					el.msRequestFullscreen();

				}
			}
			
			t.cancelFullScreen = function() {				
				if (t.hasWebkitNativeFullScreen) {
					document.webkitCancelFullScreen();
					
				} else if (t.hasMozNativeFullScreen) {
					document.mozCancelFullScreen();
					
				} else if (t.hasMsNativeFullScreen) {
					document.msExitFullscreen();
					
				}
			}	
			
		}
		
		
		// OS X 10.5 can't do this even if it says it can :(
		if (t.hasSemiNativeFullScreen && ua.match(/mac os x 10_5/i)) {
			t.hasNativeFullScreen = false;
			t.hasSemiNativeFullScreen = false;
		}
		
	}
};
mejs.MediaFeatures.init();

/*
extension methods to <video> or <audio> object to bring it into parity with PluginMediaElement (see below)
*/
mejs.HtmlMediaElement = {
	pluginType: 'native',
	isFullScreen: false,

	setCurrentTime: function (time) {
		this.currentTime = time;
	},

	setMuted: function (muted) {
		this.muted = muted;
	},

	setVolume: function (volume) {
		this.volume = volume;
	},

	// for parity with the plugin versions
	stop: function () {
		this.pause();
	},

	// This can be a url string
	// or an array [{src:'file.mp4',type:'video/mp4'},{src:'file.webm',type:'video/webm'}]
	setSrc: function (url) {
		
		// Fix for IE9 which can't set .src when there are <source> elements. Awesome, right?
		var 
			existingSources = this.getElementsByTagName('source');
		while (existingSources.length > 0){
			this.removeChild(existingSources[0]);
		}
	
		if (typeof url == 'string') {
			this.src = url;
		} else {
			var i, media;

			for (i=0; i<url.length; i++) {
				media = url[i];
				if (this.canPlayType(media.type)) {
					this.src = media.src;
					break;
				}
			}
		}
	},

	setVideoSize: function (width, height) {
		this.width = width;
		this.height = height;
	}
};

/*
Mimics the <video/audio> element by calling Flash's External Interface or Silverlights [ScriptableMember]
*/
mejs.PluginMediaElement = function (pluginid, pluginType, mediaUrl) {
	this.id = pluginid;
	this.pluginType = pluginType;
	this.src = mediaUrl;
	this.events = {};
	this.attributes = {};
};

// JavaScript values and ExternalInterface methods that match HTML5 video properties methods
// http://www.adobe.com/livedocs/flash/9.0/ActionScriptLangRefV3/fl/video/FLVPlayback.html
// http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html
mejs.PluginMediaElement.prototype = {

	// special
	pluginElement: null,
	pluginType: '',
	isFullScreen: false,

	// not implemented :(
	playbackRate: -1,
	defaultPlaybackRate: -1,
	seekable: [],
	played: [],

	// HTML5 read-only properties
	paused: true,
	ended: false,
	seeking: false,
	duration: 0,
	error: null,
	tagName: '',

	// HTML5 get/set properties, but only set (updated by event handlers)
	muted: false,
	volume: 1,
	currentTime: 0,

	// HTML5 methods
	play: function () {
		if (this.pluginApi != null) {
			if (this.pluginType == 'youtube' || this.pluginType == 'vimeo') {
				this.pluginApi.playVideo();
			} else {
				this.pluginApi.playMedia();
			}
			this.paused = false;
		}
	},
	load: function () {
		if (this.pluginApi != null) {
			if (this.pluginType == 'youtube' || this.pluginType == 'vimeo') {
			} else {
				this.pluginApi.loadMedia();
			}
			
			this.paused = false;
		}
	},
	pause: function () {
		if (this.pluginApi != null) {
			if (this.pluginType == 'youtube' || this.pluginType == 'vimeo') {
				this.pluginApi.pauseVideo();
			} else {
				this.pluginApi.pauseMedia();
			}			
			
			
			this.paused = true;
		}
	},
	stop: function () {
		if (this.pluginApi != null) {
			if (this.pluginType == 'youtube' || this.pluginType == 'vimeo') {
				this.pluginApi.stopVideo();
			} else {
				this.pluginApi.stopMedia();
			}	
			this.paused = true;
		}
	},
	canPlayType: function(type) {
		var i,
			j,
			pluginInfo,
			pluginVersions = mejs.plugins[this.pluginType];

		for (i=0; i<pluginVersions.length; i++) {
			pluginInfo = pluginVersions[i];

			// test if user has the correct plugin version
			if (mejs.PluginDetector.hasPluginVersion(this.pluginType, pluginInfo.version)) {

				// test for plugin playback types
				for (j=0; j<pluginInfo.types.length; j++) {
					// find plugin that can play the type
					if (type == pluginInfo.types[j]) {
						return 'probably';
					}
				}
			}
		}

		return '';
	},
	
	positionFullscreenButton: function(x,y,visibleAndAbove) {
		if (this.pluginApi != null && this.pluginApi.positionFullscreenButton) {
			this.pluginApi.positionFullscreenButton(Math.floor(x),Math.floor(y),visibleAndAbove);
		}
	},
	
	hideFullscreenButton: function() {
		if (this.pluginApi != null && this.pluginApi.hideFullscreenButton) {
			this.pluginApi.hideFullscreenButton();
		}		
	},	
	

	// custom methods since not all JavaScript implementations support get/set

	// This can be a url string
	// or an array [{src:'file.mp4',type:'video/mp4'},{src:'file.webm',type:'video/webm'}]
	setSrc: function (url) {
		if (typeof url == 'string') {
			this.pluginApi.setSrc(mejs.Utility.absolutizeUrl(url));
			this.src = mejs.Utility.absolutizeUrl(url);
		} else {
			var i, media;

			for (i=0; i<url.length; i++) {
				media = url[i];
				if (this.canPlayType(media.type)) {
					this.pluginApi.setSrc(mejs.Utility.absolutizeUrl(media.src));
					this.src = mejs.Utility.absolutizeUrl(url);
					break;
				}
			}
		}

	},
	setCurrentTime: function (time) {
		if (this.pluginApi != null) {
			if (this.pluginType == 'youtube' || this.pluginType == 'vimeo') {
				this.pluginApi.seekTo(time);
			} else {
				this.pluginApi.setCurrentTime(time);
			}				
			
			
			
			this.currentTime = time;
		}
	},
	setVolume: function (volume) {
		if (this.pluginApi != null) {
			// same on YouTube and MEjs
			if (this.pluginType == 'youtube') {
				this.pluginApi.setVolume(volume * 100);
			} else {
				this.pluginApi.setVolume(volume);
			}
			this.volume = volume;
		}
	},
	setMuted: function (muted) {
		if (this.pluginApi != null) {
			if (this.pluginType == 'youtube') {
				if (muted) {
					this.pluginApi.mute();
				} else {
					this.pluginApi.unMute();
				}
				this.muted = muted;
				this.dispatchEvent('volumechange');
			} else {
				this.pluginApi.setMuted(muted);
			}
			this.muted = muted;
		}
	},

	// additional non-HTML5 methods
	setVideoSize: function (width, height) {
		
		//if (this.pluginType == 'flash' || this.pluginType == 'silverlight') {
			if (this.pluginElement && this.pluginElement.style) {
				this.pluginElement.style.width = width + 'px';
				this.pluginElement.style.height = height + 'px';
			}
			if (this.pluginApi != null && this.pluginApi.setVideoSize) {
				this.pluginApi.setVideoSize(width, height);
			}
		//}
	},

	setFullscreen: function (fullscreen) {
		if (this.pluginApi != null && this.pluginApi.setFullscreen) {
			this.pluginApi.setFullscreen(fullscreen);
		}
	},
	
	enterFullScreen: function() {
		if (this.pluginApi != null && this.pluginApi.setFullscreen) {
			this.setFullscreen(true);
		}		
		
	},
	
	exitFullScreen: function() {
		if (this.pluginApi != null && this.pluginApi.setFullscreen) {
			this.setFullscreen(false);
		}
	},	

	// start: fake events
	addEventListener: function (eventName, callback, bubble) {
		this.events[eventName] = this.events[eventName] || [];
		this.events[eventName].push(callback);
	},
	removeEventListener: function (eventName, callback) {
		if (!eventName) { this.events = {}; return true; }
		var callbacks = this.events[eventName];
		if (!callbacks) return true;
		if (!callback) { this.events[eventName] = []; return true; }
		for (var i = 0; i < callbacks.length; i++) {
			if (callbacks[i] === callback) {
				this.events[eventName].splice(i, 1);
				return true;
			}
		}
		return false;
	},	
	dispatchEvent: function (eventName) {
		var i,
			args,
			callbacks = this.events[eventName];

		if (callbacks) {
			args = Array.prototype.slice.call(arguments, 1);
			for (i = 0; i < callbacks.length; i++) {
				callbacks[i].apply(null, args);
			}
		}
	},
	// end: fake events
	
	// fake DOM attribute methods
	hasAttribute: function(name){
		return (name in this.attributes);  
	},
	removeAttribute: function(name){
		delete this.attributes[name];
	},
	getAttribute: function(name){
		if (this.hasAttribute(name)) {
			return this.attributes[name];
		}
		return '';
	},
	setAttribute: function(name, value){
		this.attributes[name] = value;
	},

	remove: function() {
		mejs.Utility.removeSwf(this.pluginElement.id);
		mejs.MediaPluginBridge.unregisterPluginElement(this.pluginElement.id);
	}
};

// Handles calls from Flash/Silverlight and reports them as native <video/audio> events and properties
mejs.MediaPluginBridge = {

	pluginMediaElements:{},
	htmlMediaElements:{},

	registerPluginElement: function (id, pluginMediaElement, htmlMediaElement) {
		this.pluginMediaElements[id] = pluginMediaElement;
		this.htmlMediaElements[id] = htmlMediaElement;
	},

	unregisterPluginElement: function (id) {
		delete this.pluginMediaElements[id];
		delete this.htmlMediaElements[id];
	},

	// when Flash/Silverlight is ready, it calls out to this method
	initPlugin: function (id) {

		var pluginMediaElement = this.pluginMediaElements[id],
			htmlMediaElement = this.htmlMediaElements[id];

		if (pluginMediaElement) {
			// find the javascript bridge
			switch (pluginMediaElement.pluginType) {
				case "flash":
					pluginMediaElement.pluginElement = pluginMediaElement.pluginApi = document.getElementById(id);
					break;
				case "silverlight":
					pluginMediaElement.pluginElement = document.getElementById(pluginMediaElement.id);
					pluginMediaElement.pluginApi = pluginMediaElement.pluginElement.Content.MediaElementJS;
					break;
			}
	
			if (pluginMediaElement.pluginApi != null && pluginMediaElement.success) {
				pluginMediaElement.success(pluginMediaElement, htmlMediaElement);
			}
		}
	},

	// receives events from Flash/Silverlight and sends them out as HTML5 media events
	// http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html
	fireEvent: function (id, eventName, values) {

		var
			e,
			i,
			bufferedTime,
			pluginMediaElement = this.pluginMediaElements[id];

		if(!pluginMediaElement){
            return;
        }
        
		// fake event object to mimic real HTML media event.
		e = {
			type: eventName,
			target: pluginMediaElement
		};

		// attach all values to element and event object
		for (i in values) {
			pluginMediaElement[i] = values[i];
			e[i] = values[i];
		}

		// fake the newer W3C buffered TimeRange (loaded and total have been removed)
		bufferedTime = values.bufferedTime || 0;

		e.target.buffered = e.buffered = {
			start: function(index) {
				return 0;
			},
			end: function (index) {
				return bufferedTime;
			},
			length: 1
		};

		pluginMediaElement.dispatchEvent(e.type, e);
	}
};

/*
Default options
*/
mejs.MediaElementDefaults = {
	// allows testing on HTML5, flash, silverlight
	// auto: attempts to detect what the browser can do
	// auto_plugin: prefer plugins and then attempt native HTML5
	// native: forces HTML5 playback
	// shim: disallows HTML5, will attempt either Flash or Silverlight
	// none: forces fallback view
	mode: 'auto',
	// remove or reorder to change plugin priority and availability
	plugins: ['flash','silverlight','youtube','vimeo'],
	// shows debug errors on screen
	enablePluginDebug: false,
	// use plugin for browsers that have trouble with Basic Authentication on HTTPS sites
	httpsBasicAuthSite: false,
	// overrides the type specified, useful for dynamic instantiation
	type: '',
	// path to Flash and Silverlight plugins
	pluginPath: mejs.Utility.getScriptPath(['mediaelement.js','mediaelement.min.js','mediaelement-and-player.js','mediaelement-and-player.min.js']),
	// name of flash file
	flashName: 'flashmediaelement.swf',
	// streamer for RTMP streaming
	flashStreamer: '',
	// turns on the smoothing filter in Flash
	enablePluginSmoothing: false,
	// enabled pseudo-streaming (seek) on .mp4 files
	enablePseudoStreaming: false,
	// start query parameter sent to server for pseudo-streaming
	pseudoStreamingStartQueryParam: 'start',
	// name of silverlight file
	silverlightName: 'silverlightmediaelement.xap',
	// default if the <video width> is not specified
	defaultVideoWidth: 480,
	// default if the <video height> is not specified
	defaultVideoHeight: 270,
	// overrides <video width>
	pluginWidth: -1,
	// overrides <video height>
	pluginHeight: -1,
	// additional plugin variables in 'key=value' form
	pluginVars: [],	
	// rate in milliseconds for Flash and Silverlight to fire the timeupdate event
	// larger number is less accurate, but less strain on plugin->JavaScript bridge
	timerRate: 250,
	// initial volume for player
	startVolume: 0.8,
	success: function () { },
	error: function () { }
};

/*
Determines if a browser supports the <video> or <audio> element
and returns either the native element or a Flash/Silverlight version that
mimics HTML5 MediaElement
*/
mejs.MediaElement = function (el, o) {
	return mejs.HtmlMediaElementShim.create(el,o);
};

mejs.HtmlMediaElementShim = {

	create: function(el, o) {
		var
			options = mejs.MediaElementDefaults,
			htmlMediaElement = (typeof(el) == 'string') ? document.getElementById(el) : el,
			tagName = htmlMediaElement.tagName.toLowerCase(),
			isMediaTag = (tagName === 'audio' || tagName === 'video'),
			src = (isMediaTag) ? htmlMediaElement.getAttribute('src') : htmlMediaElement.getAttribute('href'),
			poster = htmlMediaElement.getAttribute('poster'),
			autoplay =  htmlMediaElement.getAttribute('autoplay'),
			preload =  htmlMediaElement.getAttribute('preload'),
			controls =  htmlMediaElement.getAttribute('controls'),
			playback,
			prop;

		// extend options
		for (prop in o) {
			options[prop] = o[prop];
		}

		// clean up attributes
		src = 		(typeof src == 'undefined' 	|| src === null || src == '') ? null : src;		
		poster =	(typeof poster == 'undefined' 	|| poster === null) ? '' : poster;
		preload = 	(typeof preload == 'undefined' 	|| preload === null || preload === 'false') ? 'none' : preload;
		autoplay = 	!(typeof autoplay == 'undefined' || autoplay === null || autoplay === 'false');
		controls = 	!(typeof controls == 'undefined' || controls === null || controls === 'false');

		// test for HTML5 and plugin capabilities
		playback = this.determinePlayback(htmlMediaElement, options, mejs.MediaFeatures.supportsMediaTag, isMediaTag, src);
		playback.url = (playback.url !== null) ? mejs.Utility.absolutizeUrl(playback.url) : '';

		if (playback.method == 'native') {
			// second fix for android
			if (mejs.MediaFeatures.isBustedAndroid) {
				htmlMediaElement.src = playback.url;
				htmlMediaElement.addEventListener('click', function() {
					htmlMediaElement.play();
				}, false);
			}
		
			// add methods to native HTMLMediaElement
			return this.updateNative(playback, options, autoplay, preload);
		} else if (playback.method !== '') {
			// create plugin to mimic HTMLMediaElement
			
			return this.createPlugin( playback,  options, poster, autoplay, preload, controls);
		} else {
			// boo, no HTML5, no Flash, no Silverlight.
			this.createErrorMessage( playback, options, poster );
			
			return this;
		}
	},
	
	determinePlayback: function(htmlMediaElement, options, supportsMediaTag, isMediaTag, src) {
		var
			mediaFiles = [],
			i,
			j,
			k,
			l,
			n,
			type,
			result = { method: '', url: '', htmlMediaElement: htmlMediaElement, isVideo: (htmlMediaElement.tagName.toLowerCase() != 'audio')},
			pluginName,
			pluginVersions,
			pluginInfo,
			dummy,
			media;
			
		// STEP 1: Get URL and type from <video src> or <source src>

		// supplied type overrides <video type> and <source type>
		if (typeof options.type != 'undefined' && options.type !== '') {
			
			// accept either string or array of types
			if (typeof options.type == 'string') {
				mediaFiles.push({type:options.type, url:src});
			} else {
				
				for (i=0; i<options.type.length; i++) {
					mediaFiles.push({type:options.type[i], url:src});
				}
			}

		// test for src attribute first
		} else if (src !== null) {
			type = this.formatType(src, htmlMediaElement.getAttribute('type'));