https://soutine-smilovichi.by/templates/convalis/src/video-js/youtube.js

1_V_.youtube=_V_.PlaybackTech.extend({init:function(player,options){this.player=player;var source=options.source;var videoId=this.getVideoId(source.src);var parentEl=options.parentEl;var objId=player.el.id+"_youtube_api";var iFrm=this.el=_V_.createElement("iframe",{id:objId+"_iframe",name:objId+"_iframe",className:"vjs-tech",scrolling:"no",marginWidth:0,marginHeight:0,frameBorder:0,webkitAllowFullScreen:"",mozallowfullscreen:"",allowFullScreen:""});_V_.youtube.loadingEls=_V_.youtube.loadingEls||[];_V_.youtube.loadingEls.push(parentEl);var playerOptions=player.options;var optionsParams=options.params||{};var params={disablekb:1,enablejsapi:1,iv_load_policy:3,modestbranding:1,playerapiid:objId,wmode:"opaque",rel:0,showinfo:0,showsearch:0,controls:this.toBoolInt(optionsParams.ytcontrols||playerOptions.ytcontrols),autoplay:this.toBoolInt(optionsParams.autoplay||playerOptions.autoplay),loop:this.toBoolInt(optionsParams.loop||playerOptions.loop),hd:this.toBoolInt(optionsParams.hd||playerOptions.hd)};var p=(document.location.protocol=="https:")?"https:":"http:";if(document.domain!="localhost"&&document.location.protocol!="file:"){params.origin=p+"//"+document.domain;}this.player.apiArgs={videoId:videoId,playerVars:params,events:{"onReady":_V_.youtube.onReady,"onStateChange":_V_.youtube.onStateChange,"onPlaybackQualityChange":_V_.youtube.onPlaybackQualityChange,"onError":_V_.youtube.onError}};_V_.addEvent(parentEl,"techready",_V_.proxy(this,function(){iFrm.src=p+"//www.youtube.com/embed/"+videoId+"?"+this.makeQueryString(params);this.youtube=new YT.Player(iFrm,{events:this.player.apiArgs.events});}));_V_.insertFirst(iFrm,parentEl);_V_.youtube.updateVideoQuality(this.player,null);this.loadApi();},destroy:function(){this.el.parentNode.removeChild(this.el);this.youtube.destroy();delete this.youtube;},play:function(){this.youtube.playVideo();},pause:function(){this.youtube.pauseVideo();},paused:function(){var state=this.youtube.getPlayerState();return state!==YT.PlayerState.PLAYING&&state!==YT.PlayerState.BUFFERING;},src:function(src){delete this.player.error;var videoId=this.getVideoId(src);this.youtube.loadVideoById(videoId);},load:function(){},poster:function(){var videoId=this.getVideoId(this.youtube.getVideoUrl());return"http://img.youtube.com/vi/"+videoId+"/0.jpg";},currentTime:function(){return this.youtube.getCurrentTime()||0;},setCurrentTime:function(seconds){this.youtube.seekTo(seconds,true);this.player.triggerEvent("timeupdate");},duration:function(){return this.youtube.getDuration()||0;},buffered:function(){var loadedBytes=this.youtube.getVideoBytesLoaded();var totalBytes=this.youtube.getVideoBytesTotal();if(!loadedBytes||!totalBytes){return 0;}var duration=this.youtube.getDuration();var secondsBuffered=(loadedBytes/totalBytes)*duration;var secondsOffset=(this.youtube.getVideoStartBytes()/totalBytes)*duration;return _V_.createTimeRange(secondsOffset,secondsOffset+secondsBuffered);},volume:function(){if(isNaN(this.youtube.volumeVal)){this.youtube.volumeVal=this.youtube.getVolume()/100;}return this.youtube.volumeVal;},setVolume:function(percentAsDecimal){if(percentAsDecimal!=this.youtube.volumeVal){this.youtube.volumeVal=percentAsDecimal;this.youtube.setVolume(percentAsDecimal*100);this.player.triggerEvent("volumechange");}},muted:function(){return this.youtube.isMuted();},setMuted:function(muted){if(muted){this.youtube.mute();}else{this.youtube.unMute();}var self=this;setTimeout(function(){self.player.triggerEvent("volumechange");},50);},width:function(){return this.el.offsetWidth;},height:function(){return this.el.offsetHeight;},currentSrc:function(){return this.youtube.getVideoUrl();},preload:function(){return false;},setPreload:function(val){},autoplay:function(){return !!this.player.apiArgs.playerVars.autoplay;},setAutoplay:function(val){},loop:function(){return !!this.player.apiArgs.playerVars.loop;},setLoop:function(val){this.player.apiArgs.playerVars.loop=(val?1:0);},supportsFullScreen:function(){return false;},enterFullScreen:function(){return false;},error:function(){return this.player.error;},seeking:function(){return false;},ended:function(){return this.youtube.getPlayerState()===YT.PlayerState.ENDED;},videoWidth:function(){return this.player.videoWidth;},videoHeight:function(){return this.player.videoHeight;},controls:function(){return this.player.options.controls;},defaultMuted:function(){return false;},makeQueryString:function(args){var array=[];for(var key in args){if(args.hasOwnProperty(key)){array.push(encodeURIComponent(key)+"="+encodeURIComponent(args[key]));}}return array.join("&");},getVideoId:function(url){return url.match(/v=([^&]+)/)[1];},toBoolInt:function(val){return val?1:0;},loadApi:function(){var js,id="youtube-jssdk",ref=document.getElementsByTagName("script")[0];if(_V_.el(id)){window.onYouTubePlayerAPIReady();return;}var p=(document.location.protocol=="https:")?"https:":"http:";js=_V_.createElement("script",{id:id,async:true,src:p+"//www.youtube.com/player_api"});ref.parentNode.insertBefore(js,ref);}});_V_.youtube.onReady=function(e){var player=e.target.getIframe().parentNode.player;player.tech.triggerReady();player.triggerReady();player.triggerEvent("durationchange");

1_V_.youtube.hideOverlay(player);};_V_.youtube.onStateChange=function(e){var player=e.target.getIframe().parentNode.player;if(player.lastState===e.data){return;}switch(e.data){case -1:player.triggerEvent("durationchange");break;case YT.PlayerState.CUED:break;case YT.PlayerState.ENDED:player.triggerEvent("ended");_V_.youtube.hideOverlay(player);if(player.apiArgs.playerVars.loop){player.tech.youtube.seekTo(0,true);player.tech.youtube.playVideo();}else{player.tech.youtube.stopVideo();}break;case YT.PlayerState.PLAYING:player.triggerEvent("timeupdate");player.triggerEvent("playing");player.triggerEvent("play");break;case YT.PlayerState.PAUSED:player.triggerEvent("pause");break;case YT.PlayerState.BUFFERING:player.triggerEvent("timeupdate");player.triggerEvent("waiting");player.loadingSpinner.hide();break;}player.lastState=e.data;};_V_.youtube.onPlaybackQualityChange=function(e){var player=e.target.getIframe().parentNode.player;_V_.youtube.updateVideoQuality(player,e.data);player.triggerEvent("ratechange");};_V_.youtube.onError=function(e){var player=e.target.getIframe().parentNode.player;player.error=e.data;player.triggerEvent("error");};_V_.youtube.hideOverlay=function(player){player.bigPlayButton.hide();player.posterImage.hide();};_V_.youtube.updateVideoQuality=function(player,quality){switch(quality){case"medium":player.videoWidth=480;player.videoHeight=360;break;case"large":player.videoWidth=640;player.videoHeight=480;break;case"hd720":player.videoWidth=960;player.videoHeight=720;break;case"hd1080":player.videoWidth=1440;player.videoHeight=1080;break;case"highres":player.videoWidth=1920;player.videoHeight=1080;break;case"small":player.videoWidth=320;player.videoHeight=240;break;default:player.videoWidth=0;player.videoHeight=0;break;}};_V_.youtube.isSupported=function(){return true;};_V_.youtube.canPlaySource=function(srcObj){return srcObj.type=="video/youtube";};_V_.youtube.prototype.support={formats:{"video/youtube":"YT"},progressEvent:false,timeupdateEvent:false,movingElementInDOM:!_V_.isIOS(),fullscreenResize:true,parentResize:true};window.onYouTubePlayerAPIReady=function(){var loadingEl;while((loadingEl=_V_.youtube.loadingEls.shift())){loadingEl.player.triggerEvent("techready");}};