825 lines
25 KiB
JavaScript
825 lines
25 KiB
JavaScript
/////////////////////////////////////
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// DECLARE MISTPLAYER BASE CLASS //
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/////////////////////////////////////
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var mistplayers = {};
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function MistPlayer() {};
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MistPlayer.prototype.sendEvent = function(type,message,target) {
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try {
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var event = new Event(type,{
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bubbles: true,
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cancelable: true
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});
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event.message = message;
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target.dispatchEvent(event);
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}
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catch (e) {
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try {
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var event = document.createEvent('Event');
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event.initEvent(type,true,true);
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event.message = message;
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target.dispatchEvent(event);
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}
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catch (e) { return false; }
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}
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return true;
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}
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MistPlayer.prototype.addlog = function(msg) {
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this.sendEvent('log',msg,this.target);
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}
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MistPlayer.prototype.adderror = function(msg) {
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this.sendEvent('error',msg,this.target);
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}
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MistPlayer.prototype.build = function () {
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this.addlog('Error in player implementation');
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var err = document.createElement('div');
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var msgnode = document.createTextNode(msg);
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err.appendChild(msgnode);
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err.className = 'error';
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return err;
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}
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//creates the player element, including custom functions
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MistPlayer.prototype.element = function(tag){
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var ele = document.createElement(tag);
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ele.className = 'mistplayer';
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this.element = ele;
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return ele;
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};
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MistPlayer.prototype.play = false;
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MistPlayer.prototype.pause = false;
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MistPlayer.prototype.volume = false;
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MistPlayer.prototype.loop = false;
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MistPlayer.prototype.fullscreen = false;
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MistPlayer.prototype.setTracks = false;
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MistPlayer.prototype.resize = false;
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MistPlayer.prototype.buildMistControls = function(){
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if (!('flex' in document.head.style) || (['iPad','iPod','iPhone'].indexOf(navigator.platform) != -1)) {
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//this browser does not support MistControls
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this.addlog('Mist controls are not supported');
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return false;
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}
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this.addlog('Building Mist controls..');
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var ele = this.element;
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var options = this.options;
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var me = this; //to allow nested functions to access the player class itself
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function formatTime(secs) {
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var hours = Math.floor(secs / 3600);
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secs = secs - hours * 3600;
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var mins = Math.floor(secs / 60);
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secs = Math.floor(secs - mins * 60);
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var str = [];
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if (hours) {
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var h = '0'+hours;
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if (hours < 100) {
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h.slice(-2);
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}
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str.push(h);
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}
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str.push(('0'+mins).slice(-2));
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str.push(('0'+secs).slice(-2));
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return str.join(':');
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}
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function whilePlaying() {
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timestampValue.nodeValue = formatTime(ele.currentTime);
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bar.style.width = ((ele.currentTime-ele.startTime)/ele.duration*100)+'%';
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setTimeout(function(){
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if (!ele.paused) {
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whilePlaying();
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}
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},0.1e3);
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};
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function whileLivePlaying(track) {
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var playtime = (new Date()) - options.initTime;
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timestampValue.nodeValue = formatTime((playtime + track.lastms)/1e3);
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setTimeout(function(){
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if (!ele.paused) {
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whileLivePlaying(track);
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}
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},0.1e3);
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};
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var controls = document.createElement('div');
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ele.parentNode.appendChild(controls);
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controls.className = 'controls';
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controls.onclick = function(e){ e.stopPropagation(); };
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//if the video is very small, zoom the controls
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var zoom = options.width/480;
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if (zoom < 1) {
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zoom = Math.max(zoom,0.5);
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controls.style.zoom = zoom;
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}
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else { zoom = 1; }
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ele.style['min-width'] = zoom*400+'px';
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ele.style['min-height'] = zoom*160+'px';
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var play = document.createElement('div');
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controls.appendChild(play);
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play.className = 'button play';
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play.title = 'Play / Pause';
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play.setAttribute('data-state','paused');
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play.onclick = function(){
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if (ele.paused) {
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me.play();
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}
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else {
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me.pause();
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}
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};
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var progressCont = document.createElement('div');
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controls.appendChild(progressCont);
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progressCont.className = 'progress_container';
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if (!options.live) {
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var progress = document.createElement('div');
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progressCont.appendChild(progress);
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progress.className = 'button progress';
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progress.getPos = function(e){
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if (!isFinite(ele.duration)) { return 0; }
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var style = e.target.currentStyle || window.getComputedStyle(e.target, null);
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return Math.max(0,e.clientX - progress.getBoundingClientRect().left - parseInt(style.borderLeftWidth,10)) / progress.offsetWidth * ele.duration;
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}
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progress.onmousemove = function(e) {
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if (ele.duration) {
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var pos = this.getPos(e);
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hintValue.nodeValue = formatTime(pos);
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hint.style.display = 'block';
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hint.style.left = (pos / ele.duration)*100+'%';
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}
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};
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progress.onmouseout = function() {
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hint.style.display = 'none';
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};
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progress.onmouseup = function(e) {
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ele.currentTime = this.getPos(e);
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ele.startTime = ele.currentTime;
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bar.style.left = (ele.startTime/ele.duration*100)+'%';
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};
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progress.ondragstart = function() { return false; };
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var bar = document.createElement('div');
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progress.appendChild(bar);
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bar.className = 'bar';
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var buffers = [];
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var hint = document.createElement('div');
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progressCont.appendChild(hint);
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hint.className = 'hint';
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var hintValue = document.createTextNode('-:--');
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hint.appendChild(hintValue);
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ele.addEventListener('seeking',function(){
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me.target.setAttribute('data-loading','');
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});
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ele.addEventListener('canplay',function(){
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me.target.removeAttribute('data-loading');
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});
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ele.addEventListener('playing',function(){
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me.target.removeAttribute('data-loading');
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});
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ele.addEventListener('progress',function(){
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me.target.removeAttribute('data-loading');
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});
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}
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var timestamp = document.createElement('div');
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controls.appendChild(timestamp);
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timestamp.className = 'button timestamp';
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var timestampValue = document.createTextNode('-:--');
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timestamp.title = 'Time';
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timestamp.appendChild(timestampValue);
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var sound = document.createElement('div');
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controls.appendChild(sound);
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sound.className = 'button sound';
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var volume = document.createElement('div');
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sound.appendChild(volume);
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sound.getPos = function(ypos){
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var style = this.currentStyle || window.getComputedStyle(this, null);
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return 1 - Math.min(1,Math.max(0,(ypos - sound.getBoundingClientRect().top - parseInt(style.borderTopWidth,10)) / sound.offsetHeight));
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}
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volume.className = 'volume';
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sound.title = 'Volume';
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if ('mistVolume' in localStorage) {
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ele.volume = localStorage['mistVolume'];
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volume.style.height = ele.volume*100+'%';
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}
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var mousedown = function(e){
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var mousemove = function(e){
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ele.volume = sound.getPos(e.clientY);
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};
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var mouseup = function(e){
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document.removeEventListener('mousemove',mousemove);
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document.removeEventListener('touchmove',mousemove);
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document.removeEventListener('mouseup',mouseup);
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document.removeEventListener('touchend',mouseup);
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try {
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localStorage['mistVolume'] = ele.volume;
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}
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catch (e) {}
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};
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document.addEventListener('mousemove',mousemove);
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document.addEventListener('touchmove',mousemove);
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document.addEventListener('mouseup',mouseup);
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document.addEventListener('touchend',mouseup);
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ele.volume = sound.getPos(e.clientY);
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};
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sound.onmousedown = mousedown;
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sound.ontouchstart = mousedown;
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sound.ondragstart = function() { return false; };
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sound.onclick = function(e){
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ele.volume = sound.getPos(e.clientY);
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try {
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localStorage['mistVolume'] = ele.volume;
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}
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catch (e) {}
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};
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var speaker = document.createElement('div');
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speaker.title = 'Mute / Unmute';
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sound.appendChild(speaker);
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speaker.className = 'button speaker';
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speaker.onclick = function(e) {
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if (ele.volume) {
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lastvolume = ele.volume;
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ele.volume = 0;
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}
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else {
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ele.volume = lastvolume;
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}
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e.stopPropagation();
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};
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speaker.onmousedown = function(e){
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e.stopPropagation();
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};
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var buttons = document.createElement('div');
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buttons.className = 'column';
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controls.appendChild(buttons);
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if ((this.setTracks) && ((this.tracks.audio.length) || (this.tracks.video.length) || (this.tracks.subtitle.length)) && (this.source.type != 'application/vnd.apple.mpegurl')) {
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/*
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- the player supports setting tracks;
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- there is something to choose
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- it's not HLS, which would have to use a different way of switching tracks than this script currently uses
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*/
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var tracks = this.tracks;
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var tracksc = document.createElement('div');
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tracksc.innerHTML = 'Tracks';
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tracksc.className = 'button tracks';
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buttons.appendChild(tracksc);
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var settings = document.createElement('div');
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tracksc.appendChild(settings);
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settings.className = 'settings';
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me.trackselects = {};
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for (var i in tracks) {
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if (tracks[i].length) {
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var l = document.createElement('label');
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settings.appendChild(l);
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var p = document.createElement('span');
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l.appendChild(p);
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var t = document.createTextNode(i+':');
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p.appendChild(t);
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var s = document.createElement('select');
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l.appendChild(s);
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me.trackselects[i] = s;
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s.setAttribute('data-type',i);
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for (var j in tracks[i]) {
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var o = document.createElement('option');
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s.appendChild(o);
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o.value = tracks[i][j].trackid;
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var name;
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if ('name' in tracks[i][j]) {
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name = tracks[i][j].name;
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}
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else if ('lang' in tracks[i][j]) {
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name = tracks[i][j].lang;
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o.setAttribute('data-lang',tracks[i][j].lang);
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}
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else {
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name = 'Track '+(Number(j)+1);
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}
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o.appendChild(document.createTextNode(name));
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}
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var o = document.createElement('option');
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s.appendChild(o);
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o.value = 0;
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var t = document.createTextNode('No '+i);
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o.appendChild(t);
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s.onchange = function(){
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var usetracks = {};
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if (this.getAttribute('data-type') == 'subtitle') {
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usetracks.subtitle = this.value;
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try {
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localStorage['mistSubtitle'] = this.querySelector('[value="'+this.value+'"]').getAttribute('data-lang');
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}
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catch (e) {}
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}
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else {
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for (var i in me.trackselects) {
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usetracks[me.trackselects[i].getAttribute('data-type')] = me.trackselects[i].value
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}
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}
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me.setTracks(usetracks);
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}
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if (i == 'subtitle') {
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s.value = 0;
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if ('mistSubtitle' in localStorage) {
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var option = s.querySelector('[data-lang="'+localStorage['mistSubtitle']+'"]');
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if (option) {
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s.value = option.value;
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s.onchange();
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}
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}
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}
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}
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}
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var l = document
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}
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var buttons2 = document.createElement('div');
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buttons2.className = 'row';
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buttons.appendChild(buttons2);
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if ((me.loop) && (!options.live)) {
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var loop = document.createElement('div');
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buttons2.appendChild(loop);
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loop.className = 'button loop';
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loop.title = 'Loop';
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if (me.loop()) { loop.setAttribute('data-on',''); }
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loop.onclick = function(){
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if (me.loop()) {
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this.removeAttribute('data-on');
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me.loop(false);
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}
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else {
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this.setAttribute('data-on','');
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me.loop(true);
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if ((me.element.paused) && (me.element.currentTime == me.element.duration)) {
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me.play();
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}
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}
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};
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}
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if (me.fullscreen) {
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var fullscreen = document.createElement('div');
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buttons2.appendChild(fullscreen);
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fullscreen.className = 'button fullscreen';
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fullscreen.title = 'Fullscreen'
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fullscreen.onclick = function(){
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me.fullscreen();
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};
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}
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ele.addEventListener('play',function(){
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play.setAttribute('data-state','playing');
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});
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ele.addEventListener('pause',function(){
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play.setAttribute('data-state','paused');
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});
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ele.addEventListener('ended',function(){
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play.setAttribute('data-state','paused');
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});
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ele.addEventListener('volumechange',function(){
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volume.style.height = ele.volume*100+'%';
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if (ele.volume == 0) {
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speaker.setAttribute('data-muted','');
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}
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else {
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speaker.removeAttribute('data-muted','');
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}
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});
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if (options.live) {
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ele.addEventListener('playing',function(){
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var track = {
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firstms: 0,
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lastms: 0
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};
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for (var i in options.meta.tracks) {
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track = options.meta.tracks[i];
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break;
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}
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whileLivePlaying(track);
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});
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}
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else {
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ele.addEventListener('playing',function(){
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whilePlaying();
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});
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ele.addEventListener('durationchange',function(){
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timestampValue.nodeValue = formatTime(ele.duration);
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});
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ele.addEventListener('progress',function(){
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for (var i in buffers) {
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progress.removeChild(buffers[i]);
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}
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buffers = [];
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var start,end;
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for (var i = 0; i < ele.buffered.length; i++) {
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var b = document.createElement('div');
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b.className = 'buffer';
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progress.appendChild(b);
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buffers.push(b);
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start = ele.buffered.start(i);
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end = ele.buffered.end(i);
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b.setAttribute('style','left:'+(start/ele.duration*100)+'%; width:'+((end-start)/ele.duration*100 )+'%');
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}
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});
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}
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//hide the cursor and controls if it is over the video (not the controls) and hasn't moved for 5 secs
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var position = {
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x: 0,
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y: 0,
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lastpos: { x: 0, y: 0 },
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counter: 0,
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element: false,
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interval: setInterval(function(){
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if (position.element == 'video') {
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if ((position.x == position.lastpos.x) && (position.y == position.lastpos.y)) {
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position.counter++;
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if (position.counter >= 5) {
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position.element = false;
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ele.parentNode.setAttribute('data-hide','');
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return;
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}
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}
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position.lastpos.x = position.x;
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position.lastpos.y = position.y;
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return;
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}
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position.counter = 0;
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},1e3)
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};
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ele.addEventListener('mousemove',function(e){
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position.x = e.pageX;
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position.y = e.pageY;
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position.element = 'video';
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ele.parentNode.removeAttribute('data-hide');
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});
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controls.addEventListener('mousemove',function(e){
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position.element = 'controls';
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e.stopPropagation();
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});
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ele.addEventListener('mouseout',function(e){
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position.element = false;
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});
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return true;
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}
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/////////////////////////////////////////////////
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// SELECT AND ADD A VIDEO PLAYER TO THE TARGET //
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/////////////////////////////////////////////////
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function mistPlay(streamName,options) {
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var protoplay = new MistPlayer();
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function embedLog(msg) {
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protoplay.sendEvent('log',msg,options.target);
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}
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function mistError(msg) {
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var info = mistvideo[streamName];
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var displaymsg = msg;
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if ('on_error' in info) { displaymsg = info.on_error; }
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var err = document.createElement('div');
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err.innerHTML = displaymsg.replace(new RegExp("\n",'g'),'<br>')+'<br>';
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err.className = 'error';
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var button = document.createElement('button');
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var t = document.createTextNode('Reload');
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button.appendChild(t);
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err.appendChild(button);
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button.onclick = function(){
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options.target.removeChild(err);
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mistPlay(streamName,options);
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}
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options.target.appendChild(err);
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protoplay.sendEvent('error',msg,options.target);
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return err;
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}
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//merge local and global options
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var local = options;
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var global = (typeof mistoptions == 'undefined' ? {} : mistoptions);
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var options = {
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host: null,
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autoplay: true,
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controls: true,
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loop: false,
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poster: null
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};
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for (var i in global) {
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options[i] = global[i];
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}
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for (var i in local) {
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options[i] = local[i];
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}
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if (!options.host) {
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mistError('MistServer host undefined.');
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return;
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}
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options.target.setAttribute('data-loading','');
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//check if the css is loaded
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if (!document.getElementById('mist_player_css')) {
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var css = document.createElement('link');
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css.rel = 'stylesheet';
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css.href = options.host+'/player.css';
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css.id = 'mist_player_css';
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//prepend it to the head: don't use append, because the customer might want to override our default css
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if (document.head.children.length) {
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document.head.insertBefore(css,document.head.firstChild);
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}
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else {
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document.head.appendChild(css);
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}
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}
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//get info js
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var info = document.createElement('script');
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info.src = options.host+'/info_'+encodeURIComponent(streamName)+'.js';
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embedLog('Retrieving stream info from '+info.src);
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document.head.appendChild(info);
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info.onerror = function(){
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options.target.removeAttribute('data-loading');
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mistError('Error while loading stream info.');
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}
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info.onload = function(){
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options.target.removeAttribute('data-loading');
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embedLog('Stream info was loaded succesfully');
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//clean up info script
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document.head.removeChild(info);
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//get streaminfo data
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var streaminfo = mistvideo[streamName];
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//embedLog('Stream info contents: '+JSON.stringify(streaminfo));
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streaminfo.initTime = new Date();
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//sort the sources by priority, but prefer HTTPS
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streaminfo.source.sort(function(a,b){
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function g(s) {
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return s.priority + (s.url.indexOf('https://') > -1 ? 0.1 : 0)
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}
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return g(b) - g(a);
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})
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var mistPlayer = false;
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var source;
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var forceType = false;
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if (('forceType' in options) && (options.forceType)) {
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embedLog('Forcing '+options.forceType);
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forceType = options.forceType;
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}
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var forceSupportCheck = false;
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if (('forceSupportCheck' in options) && (options.forceSupportCheck)) {
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embedLog('Forcing a full support check');
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forceSupportCheck = true;
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}
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var forcePlayer = false;
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if (('forcePlayer' in options) && (options.forcePlayer) && (options.forcePlayer in mistplayers)) {
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embedLog('Forcing '+mistplayers[options.forcePlayer].name);
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forcePlayer = options.forcePlayer;
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}
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embedLog('Checking available players..');
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var source = false;
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var mistPlayer = false;
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function checkPlayer(p_shortname) {
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embedLog('Checking '+mistplayers[p_shortname].name+' (priority: '+mistplayers[p_shortname].priority+') ..');
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streaminfo.working[p_shortname] = [];
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if (forceType) {
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if ((mistplayers[p_shortname].mimes.indexOf(forceType) > -1) && (checkMime(p_shortname,forceType))) {
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return p_shortname;
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}
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}
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else {
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for (var m in mistplayers[p_shortname].mimes) {
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if ((checkMime(p_shortname,mistplayers[p_shortname].mimes[m])) && (!forceSupportCheck)) {
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return p_shortname;
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}
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}
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}
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return false;
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}
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function checkMime(p_shortname,mime) {
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for (var s in streaminfo.source) {
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if (streaminfo.source[s].type == mime) {
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if (mistplayers[p_shortname].isBrowserSupported(mime)) {
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embedLog('Found a working combo: '+mistplayers[p_shortname].name+' with '+mime+' @ '+streaminfo.source[s].url);
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streaminfo.working[p_shortname].push(mime);
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if (!source) {
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mistPlayer = p_shortname;
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source = streaminfo.source[s];
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}
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if (!forceSupportCheck) {
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return source;
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}
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}
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}
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}
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embedLog('Mist doesn\'t broadcast '+mime+' or there is no browser support.');
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return false;
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}
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streaminfo.working = {};
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if (forcePlayer) {
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checkPlayer(forcePlayer);
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}
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else {
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//sort the players
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var sorted = Object.keys(mistplayers);
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sorted.sort(function(a,b){
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return mistplayers[a].priority - mistplayers[b].priority;
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});
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for (var n in sorted) {
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var p_shortname = sorted[n];
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if (checkPlayer(p_shortname)) { break; }
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}
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}
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if (mistPlayer) {
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//create the options to send to the player
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var playerOpts = {
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src: source.url+(('urlappend' in options) && (options.urlappend) ? options.urlappend : '' ),
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live: (streaminfo.type == 'live' ? true : false),
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initTime: streaminfo.initTime,
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meta: streaminfo.meta,
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source: source
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};
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//pass player options and handle defaults
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playerOpts.autoplay = options.autoplay;
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playerOpts.controls = options.controls;
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playerOpts.loop = options.loop;
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playerOpts.poster = options.poster;
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function calcSize() {
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//calculate desired width and height
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var fw = ('width' in options && options.width ? options.width : false ); //force this width
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var fh = ('height' in options && options.height ? options.height : false ); //force this height
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if (!(fw && fh)) {
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var ratio = streaminfo.width / streaminfo.height;
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if (fw || fh) {
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if (fw) {
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fh = fw/ratio;
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}
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else {
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fw = fh*ratio;
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}
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}
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else {
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//neither width or height are being forced. Set them to the minimum of video and target size
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var cw = ('maxwidth' in options && options.maxwidth ? options.maxwidth : options.target.clientWidth || window.innerWidth);
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var ch = ('maxheight' in options && options.maxheight ? options.maxheight : options.target.clientHeight || window.innerHeight);
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var fw = streaminfo.width;
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var fh = streaminfo.height;
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var factor; //resize factor
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if ((cw) && (fw > cw)) { //rescale if video width is larger than the target
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factor = fw / cw;
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fw /= factor;
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fh /= factor;
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}
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if ((ch) && (fh > ch)) { //rescale if video height is (still?) larger than the target
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factor = fh / ch;
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fw /= factor;
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fh /= factor;
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}
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}
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}
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return {
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width: fw,
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height: fh
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};
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}
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var lastsize = calcSize();
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playerOpts.width = lastsize.width;
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playerOpts.height = lastsize.height;
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//save the objects for future reference
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var player = new mistplayers[mistPlayer].player();
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player.target = options.target;
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if (!('embedded' in streaminfo)) { streaminfo.embedded = []; }
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streaminfo.embedded.push({
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options: options,
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selectedPlayer: mistPlayer,
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player: player,
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playerOptions: playerOpts
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});
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if (player.setTracks) {
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//gather track info
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//tracks
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var tracks = {
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video: [],
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audio: [],
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subtitle: []
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};
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for (var i in streaminfo.meta.tracks) {
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var t = streaminfo.meta.tracks[i];
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var skip = false;
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switch (t.type) {
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case 'video':
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t.desc = ['['+t.codec+']',t.width+'x'+t.height,Math.round(t.bps/1024)+'kbps',t.fpks/1e3+'fps',t.lang];
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break;
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case 'audio':
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t.desc = ['['+t.codec+']',t.channels+' channels',Math.round(t.bps/1024)+'kbps',t.rate+'Hz',t.lang];
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break;
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case 'subtitle':
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t.desc = ['['+t.codec+']',t.lang];
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break;
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default:
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skip = true;
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break;
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}
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if (skip) { continue; }
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t.desc = t.desc.join(', ');
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tracks[t.type].push(t);
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}
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player.tracks = tracks;
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if (tracks.subtitle.length) {
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var vttsrc = false;
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player.subtitle = false;
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for (var i in streaminfo.source) {
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if (streaminfo.source[i].type == 'html5/text/vtt') {
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vttsrc = streaminfo.source[i].url;
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break;
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}
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}
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if (vttsrc) {
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player.subtitle = vttsrc.replace(/.srt$/,'.vtt');
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}
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}
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var usetracks = {};
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for (var i in tracks) {
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if (i == 'subtitle') { continue; }
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if (tracks[i].length) {
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tracks[i].sort(function(a,b){
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return a.trackid - b.trackid;
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});
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usetracks[i] = tracks[i][0].trackid;
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}
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}
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}
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//build the player
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player.options = playerOpts;
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var element = player.build(playerOpts);
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options.target.innerHTML = '';
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options.target.appendChild(element);
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element.setAttribute('data-player',mistPlayer);
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element.setAttribute('data-mime',source.type);
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if (player.setTracks) {
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player.setTracks(usetracks);
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if ('setTracks' in options) { player.setTracks(options.setTracks); }
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}
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if (player.resize) {
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//monitor for resizes and fire if needed
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window.addEventListener('resize',function(){
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player.resize(calcSize());
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});
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}
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protoplay.sendEvent('initialized','',options.target);
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|
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}
|
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else {
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if (streaminfo.error) {
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var str = streaminfo.error;
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}
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else if (('source' in streaminfo) && (streaminfo.source.length)) {
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var str = 'Could not find a compatible player and protocol combination for this stream and browser. ';
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if (forceType) { str += "\n"+'The mimetype '+forceType+' was enforced. '; }
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if (forcePlayer) { str += "\n"+'The player '+mistplayers[forcePlayer].name+' was enforced. '; }
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}
|
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else {
|
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var str = 'Stream not found.';
|
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}
|
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mistError(str);
|
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}
|
|
}
|
|
}
|