hls-test/ogvjs-1.8.4/ogv.js

/*! For license information please see ogv.js.LICENSE.txt */
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nextTick(u){i.push(u),t.port2.postMessage({})}}(),S={NETWORK_EMPTY:0,NETWORK_IDLE:1,NETWORK_LOADING:2,NETWORK_NO_SOURCE:3,HAVE_NOTHING:0,HAVE_METADATA:1,HAVE_CURRENT_DATA:2,HAVE_FUTURE_DATA:3,HAVE_ENOUGH_DATA:4},C="INITIAL",B="SEEKING_END",D="LOADED",M="PRELOAD",V="READY",I="PLAYING",L="SEEKING",j="ERROR",W="NOT_SEEKING",X="BISECT_TO_TARGET",N="BISECT_TO_KEYPOINT",H="LINEAR_TO_TARGET",z="exact",Y="fast";function OGVJSElement(){var t=document.createElement("ogvjs");return Object.setPrototypeOf?Object.setPrototypeOf(t,Object.getPrototypeOf(this)):t.__proto__=this.__proto__,t}R="undefined"==typeof performance||void 0===(0,g.default)(performance.now)?Date.now:performance.now.bind(performance),OGVJSElement.prototype=Object.create(HTMLElement.prototype,{});var Q=function(t){(0,_.default)(OGVPlayer,t);var i=_createSuper(OGVPlayer);function OGVPlayer(t){var u;if((0,c.default)(this,OGVPlayer),u=i.call(this),(t=t||{}).base=t.base||T.default.base,u._options=t,u._instanceId="ogvjs"+ ++OGVPlayer.instanceCount,void 0!==t.worker?u._enableWorker=!!t.worker:u._enableWorker=!!window.Worker,!T.default.wasmSupported())throw new Error("WebAssembly not supported");return u._enableThreading=!!t.threading,u._enableSIMD=!!t.simd,u._state=C,u._seekState=W,u._detectedType=null,u._canvas=document.createElement("canvas"),u._frameSink=null,t.video&&u._canvas.captureStream?(u._mediaStream=new MediaStream,u._video="object"===(0,g.default)(t.video)?t.video:document.createElement("video"),u._video.playsInline=!0,u._video.srcObject=u._mediaStream):u._video=null,u._videoTrack=null,u._audioTrack=null,u._canvasStream=null,u.className=u._instanceId,(0,P.default)((0,l.default)(u),S),u._view=u._video||u._canvas,u._view.style.position="absolute",u._view.style.top="0",u._view.style.left="0",u._view.style.width="100%",u._view.style.height="100%",u._view.style.objectFit="contain",u.appendChild(u._view),u._startTime=R(),u._codec=null,u._audioInfo=null,u._videoInfo=null,u._actionQueue=[],u._audioFeeder=null,u._muted=!1,u._initialPlaybackPosition=0,u._initialPlaybackOffset=0,u._prebufferingAudio=!1,u._initialSeekTime=0,u._currentSrc="",u._streamEnded=!1,u._mediaError=null,u._dataEnded=!1,u._byteLength=0,u._duration=null,u._lastSeenTimestamp=null,u._nextProcessingTimer,u._nextFrameTimer=null,u._loading=!1,u._started=!1,u._paused=!0,u._ended=!1,u._startedPlaybackInDocument=!1,u._stream=void 0,u._framesProcessed=0,u._targetPerFrameTime=1e3/60,u._actualPerFrameTime=0,u._totalFrameTime=0,u._totalFrameCount=0,u._playTime=0,u._bufferTime=0,u._drawingTime=0,u._proxyTime=0,u._totalJitter=0,u._droppedAudio=0,u._delayedAudio=0,u._lateFrames=0,u._poster="",u._thumbnail=null,u._frameEndTimestamp=0,u._audioEndTimestamp=0,u._decodedFrames=[],u._pendingFrames=[],u._lastFrameDecodeTime=0,u._lastFrameVideoCpuTime=0,u._lastFrameAudioCpuTime=0,u._lastFrameDemuxerCpuTime=0,u._lastFrameDrawingTime=0,u._lastFrameBufferTime=0,u._lastFrameProxyTime=0,u._lastVideoCpuTime=0,u._lastAudioCpuTime=0,u._lastDemuxerCpuTime=0,u._lastBufferTime=0,u._lastProxyTime=0,u._lastDrawingTime=0,u._lastFrameTimestamp=0,u._currentVideoCpuTime=0,u._lastTimeUpdate=0,u._timeUpdateInterval=250,u._seekTargetTime=0,u._bisectTargetTime=0,u._seekMode=null,u._lastSeekPosition=null,u._seekBisector=null,u._didSeek=null,u._depth=0,u._needProcessing=!1,u._pendingFrame=0,u._pendingAudio=0,u._framePipelineDepth=8,u._frameParallelism=u._enableThreading?Math.min(16,navigator.hardwareConcurrency)||1:0,u._audioPipelineDepth=12,u._videoInfo=null,u._audioInfo=null,u._width=0,u._height=0,u._volume=1,u._playbackRate=1,Object.defineProperties((0,l.default)(u),{src:{get:function getSrc(){return this.getAttribute("src")||""},set:function setSrc(t){this.setAttribute("src",t),this._loading=!1,this._prepForLoad("interactive")}},buffered:{get:function getBuffered(){var t,i=this;return t=this._stream&&this._byteLength&&this._duration?this._stream.getBufferedRanges().map((function(t){return t.map((function(t){return t/i._stream.length*i._duration}))})):[[0,0]],new x.default(t)}},seekable:{get:function getSeekable(){return this.duration<1/0&&this._stream&&this._stream.seekable&&this._codec&&this._codec.seekable?new x.default([[0,this._duration]]):new x.default([])}},currentTime:{get:function getCurrentTime(){return this._state==L?this._seekTargetTime:this._codec?this._state!=I||this._paused?this._initialPlaybackOffset:this._getPlaybackTime():this._initialSeekTime},set:function setCurrentTime(t){this._seek(t,z)}},duration:{get:function getDuration(){return this._codec&&this._codec.loadedMetadata?null!==this._duration?this._duration:1/0:NaN}},paused:{get:function getPaused(){return this._paused}},ended:{get:function getEnded(){return this._ended}},seeking:{get:function getSeeking(){return this._state==L}},muted:{get:function getMuted(){return this._muted},set:function setMuted(t){this._muted=t,this._audioFeeder?this._audioFeeder.muted=this._muted:this._started&&!this._muted&&this._codec&&this._codec.hasAudio&&(this._log("unmuting: switching from timer to audio clock"),this._initAudioFeeder(),this._startPlayback(this._audioEndTimestamp)),this._fireEventAsync("volumechange")}},poster:{get:function getPoster(){return this._poster},set:function setPoster(t){var i=this;if(this._poster=t,!this._started){this._thumbnail&&this.removeChild(this._thumbnail);var u=new Image;u.src=this._poster,u.className="ogvjs-poster",u.style.position="absolute",u.style.top="0",u.style.left="0",u.style.width="100%",u.style.height="100%",u.style.objectFit="contain",u.style.visibility="hidden",u.addEventListener("load",(function(){i._thumbnail===u&&(OGVPlayer.styleManager.appendRule("."+i._instanceId,{width:u.naturalWidth+"px",height:u.naturalHeight+"px"}),OGVPlayer.updatePositionOnResize(),u.style.visibility="visible")})),this._thumbnail=u,this.appendChild(u)}}},videoWidth:{get:function getVideoWidth(){return this._videoInfo?this._videoInfo.displayWidth:0}},videoHeight:{get:function getVideoHeight(){return this._videoInfo?this._videoInfo.displayHeight:0}},ogvjsVideoFrameRate:{get:function getOgvJsVideoFrameRate(){return this._videoInfo?0==this._videoInfo.fps?this._totalFrameCount/(this._totalFrameTime/1e3):this._videoInfo.fps:0}},ogvjsAudioChannels:{get:function getOgvJsAudioChannels(){return this._audioInfo?this._audioInfo.channels:0}},ogvjsAudioSampleRate:{get:function getOgvJsAudioChannels(){return this._audioInfo?this._audioInfo.rate:0}},width:{get:function getWidth(){return this._width},set:function setWidth(t){this._width=parseInt(t,10),this.style.width=this._width+"px",OGVPlayer.updatePositionOnResize()}},height:{get:function getHeight(){return this._height},set:function setHeight(t){this._height=parseInt(t,10),this.style.height=this._height+"px",OGVPlayer.updatePositionOnResize()}},autoplay:{get:function getAutoplay(){return!1},set:function setAutoplay(t){}},controls:{get:function getControls(){return!1},set:function setControls(t){}},loop:{get:function getLoop(){return!1},set:function setLoop(t){}},crossOrigin:{get:function getCrossOrigin(){return null},set:function setCrossOrigin(t){}},currentSrc:{get:function getCurrentSrc(){return this._currentSrc}},defaultMuted:{get:function getDefaultMuted(){return!1}},defaultPlaybackRate:{get:function getDefaultPlaybackRate(){return 1}},error:{get:function getError(){return this._state===j?this._mediaError?this._mediaError:new w.default("unknown error occurred in media procesing"):null}},preload:{get:function getPreload(){return this.getAttribute("preload")||""},set:function setPreload(t){this.setAttribute("preload",t)}},readyState:{get:function getReadyState(){return this._stream&&this._codec&&this._codec.loadedMetadata?OGVPlayer.HAVE_ENOUGH_DATA:OGVPlayer.HAVE_NOTHING}},networkState:{get:function getNetworkState(){return this._stream?this._stream.waiting?OGVPlayer.NETWORK_LOADING:OGVPlayer.NETWORK_IDLE:this.readyState==OGVPlayer.HAVE_NOTHING?OGVPlayer.NETWORK_EMPTY:OGVPlayer.NETWORK_NO_SOURCE}},playbackRate:{get:function getPlaybackRate(){return this._playbackRate},set:function setPlaybackRate(t){var i=Number(t)||1;this._audioFeeder?this._audioFeeder.tempo=i:this._paused||(this._initialPlaybackOffset=this._getPlaybackTime(),this._initialPlaybackPosition=i*R()/1e3),this._playbackRate=i,this._fireEventAsync("ratechange")}},played:{get:function getPlayed(){return new x.default([[0,this.currentTime]])}},volume:{get:function getVolume(){return this._volume},set:function setVolume(t){this._volume=+t,this._audioFeeder&&(this._audioFeeder.volume=this._volume),this._fireEventAsync("volumechange")}}}),u.onframecallback=null,u.onloadstate=null,u.onprogress=null,u.onsuspend=null,u.onabort=null,u.onemptied=null,u.onstalled=null,u.onloadedmetadata=null,u.onloadeddata=null,u.oncanplay=null,u.oncanplaythrough=null,u.onplaying=null,u.onwaiting=null,u.onseeking=null,u.onseeked=null,u.onended=null,u.ondurationchange=null,u.ontimeupdate=null,u.onplay=null,u.onpause=null,u.onratechange=null,u.onresize=null,u.onvolumechange=null,u.onaudiofeedercreated=null,u}return(0,h.default)(OGVPlayer,[{key:"_time",value:function _time(t){var i=R();t();var u=R()-i;return this._lastFrameDecodeTime+=u,u}},{key:"_log",value:function _log(t){var i=this._options;if(i.debug){var u=R()-this._startTime;i.debugFilter&&!t.match(i.debugFilter)||console.log("["+Math.round(10*u)/10+"ms] "+t)}}},{key:"_fireEvent",value:function _fireEvent(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEvent "+t);var u,d="function"==typeof Event;for(var c in d?u=new CustomEvent(t):(u=document.createEvent("Event")).initEvent(t,!1,!1),i)i.hasOwnProperty(c)&&(u[c]=i[c]);var h=this.dispatchEvent(u);!d&&"resize"===t&&this.onresize&&h&&this.onresize.call(this,u)}},{key:"_fireEventAsync",value:function _fireEventAsync(t){var i=this,u=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEventAsync "+t),O((function(){i._fireEvent(t,u)}))}},{key:"_initAudioFeeder",value:function _initAudioFeeder(){var t=this,i=this._options,u={bufferSize:8192};if(i.audioContext&&(u.audioContext=i.audioContext),i.audioDestination&&(u.output=i.audioDestination),i.audioBackendFactory&&(u.backendFactory=i.audioBackendFactory),this._video&&!u.output){u.audioContext||(u.audioContext=b.default.initSharedAudioContext());var d=u.audioContext.createMediaStreamDestination();this._audioTrack=d.stream.getAudioTracks()[0],this._mediaStream.addTrack(this._audioTrack),navigator.userAgent.match(/WebKit/)&&(this._video.src=this._mediaStream),this._video.play(),u.output=d}var c=this._audioFeeder=new b.default(u);c.init(this._audioInfo.channels,this._audioInfo.rate),this.onaudiofeedercreated&&this.onaudiofeedercreated(this._audioFeeder),c.bufferThreshold=1,c.volume=this.volume,c.muted=this.muted,c.tempo=this.playbackRate,c.onbufferlow=function(){t._log("onbufferlow"),t._stream&&(t._stream.buffering||t._stream.seeking)||t._pendingAudio||t._pingProcessing()},c.onstarved=function(){t._dataEnded?t._log("onstarved: appear to have reached end of audio"):(t._log("onstarved: halting audio due to starvation"),t._stopPlayback(),t._prebufferingAudio=!0),t._isProcessing()||t._pingProcessing(0)}}},{key:"_startPlayback",value:function _startPlayback(t){if(this._audioFeeder){this._audioFeeder.start();var i=this._audioFeeder.getPlaybackState();this._initialPlaybackPosition=i.playbackPosition}else this._initialPlaybackPosition=this._playbackRate*R()/1e3;void 0!==t&&(this._initialPlaybackOffset=t),this._prebufferingAudio=!1,this._log("continuing at "+this._initialPlaybackPosition+", "+this._initialPlaybackOffset)}},{key:"_stopPlayback",value:function _stopPlayback(){this._initialPlaybackOffset=this._getPlaybackTime(),this._log("pausing at "+this._initialPlaybackOffset),this._audioFeeder&&this._audioFeeder.stop()}},{key:"_getPlaybackTime",value:function _getPlaybackTime(t){return this._prebufferingAudio||this._paused?this._initialPlaybackOffset:(this._audioFeeder?(t=t||this._audioFeeder.getPlaybackState()).playbackPosition:this._playbackRate*R()/1e3)-this._initialPlaybackPosition+this._initialPlaybackOffset}},{key:"_stopVideo",value:function _stopVideo(){this._log("STOPPING"),this._state=C,this._seekState=W,this._started=!1,this._ended=!1,this._frameEndTimestamp=0,this._audioEndTimestamp=0,this._lastFrameDecodeTime=0,this._prebufferingAudio=!1,this._actionQueue.splice(0,this._actionQueue.length),this._stream&&(this._stream.abort(),this._stream=null,this._streamEnded=!1),this._codec&&(this._codec.close(),this._codec=null,this._pendingFrame=0,this._pendingAudio=0,this._dataEnded=!1),this._videoInfo=null,this._audioInfo=null,this._audioFeeder&&(this._audioFeeder.close(),this._audioFeeder=null),this._nextProcessingTimer&&(clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null),this._nextFrameTimer&&(clearTimeout(this._nextFrameTimer),this._nextFrameTimer=null),this._frameSink&&(this._frameSink.clear(),this._frameSink=null),this._decodedFrames&&(this._decodedFrames=[]),this._pendingFrames&&(this._pendingFrames=[]),this._initialSeekTime=0,this._initialPlaybackPosition=0,this._initialPlaybackOffset=0,this._duration=null}},{key:"_doFrameComplete",value:function _doFrameComplete(){var t=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._startedPlaybackInDocument&&!document.body.contains(this)&&O((function(){t.stop()}));var u=R(),d=u-this._lastFrameTimestamp,c=this._actualPerFrameTime-this._targetPerFrameTime;this._totalJitter+=Math.abs(c),this._playTime+=d;var h={cpuTime:this._lastFrameDecodeTime,drawingTime:this._drawingTime-this._lastFrameDrawingTime,bufferTime:this._bufferTime-this._lastFrameBufferTime,proxyTime:this._proxyTime-this._lastFrameProxyTime,demuxerTime:0,videoTime:0,audioTime:0,clockTime:this._actualPerFrameTime,late:i.dropped,dropped:i.dropped};function n(t){return Math.round(10*t)/10}this._codec&&(h.demuxerTime=this._codec.demuxerCpuTime-this._lastFrameDemuxerCpuTime,h.videoTime+=this._currentVideoCpuTime-this._lastFrameVideoCpuTime,h.audioTime+=this._codec.audioCpuTime-this._lastFrameAudioCpuTime),h.cpuTime+=h.demuxerTime,this._lastFrameDecodeTime=0,this._lastFrameTimestamp=u,this._codec?(this._lastFrameVideoCpuTime=this._currentVideoCpuTime,this._lastFrameAudioCpuTime=this._codec.audioCpuTime,this._lastFrameDemuxerCpuTime=this._codec.demuxerCpuTime):(this._lastFrameVideoCpuTime=0,this._lastFrameAudioCpuTime=0,this._lastFrameDemuxerCpuTime=0),this._lastFrameDrawingTime=this._drawingTime,this._lastFrameBufferTime=this._bufferTime,this._lastFrameProxyTime=this._proxyTime,this._log("drew frame "+i.frameEndTimestamp+": clock time "+n(d)+" (jitter "+n(c)+") cpu: "+n(h.cpuTime)+" (mux: "+n(h.demuxerTime)+" buf: "+n(h.bufferTime)+" draw: "+n(h.drawingTime)+" proxy: "+n(h.proxyTime)+") vid: "+n(h.videoTime)+" aud: "+n(h.audioTime)),this._fireEventAsync("framecallback",h),(!this._lastTimeUpdate||u-this._lastTimeUpdate>=this._timeUpdateInterval)&&(this._lastTimeUpdate=u,this._fireEventAsync("timeupdate")),this._codec&&i.yCbCrBuffer&&this._codec.recycleFrame(i.yCbCrBuffer)}},{key:"_seekStream",value:function _seekStream(t){var i=this;this._stream.seeking&&this._stream.abort(),this._stream.buffering&&this._stream.abort(),this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._stream.seek(t).then((function(){i._readBytesAndWait()})).catch((function(t){i._onStreamError(t)}))}},{key:"_onStreamError",value:function _onStreamError(t){"AbortError"===t.name?this._log("i/o promise canceled; ignoring"):(this._log("i/o error: "+t),this._mediaError=new w.default(w.default.MEDIA_ERR_NETWORK,String(t)),this._state=j,this._stopPlayback())}},{key:"_seek",value:function _seek(t,i){var u=this;if(this._log("requested seek to "+t+", mode "+i),this.readyState==this.HAVE_NOTHING)return this._log("not yet loaded; saving seek position for later"),void(this._initialSeekTime=t);if(this._stream&&!this._stream.seekable)throw new Error("Cannot seek a non-seekable stream");if(this._codec&&!this._codec.seekable)throw new Error("Cannot seek in a non-seekable file");var d=function prepForSeek(d){u._stream&&u._stream.buffering&&u._stream.abort(),u._stream&&u._stream.seeking&&u._stream.abort(),u._actionQueue.splice(0,u._actionQueue.length),u._stopPlayback(),u._prebufferingAudio=!1,u._audioFeeder&&u._audioFeeder.flush(),u._state=L,u._seekTargetTime=t,u._seekMode=i,u._codec?u._codec.flush(d):d()};d((function(){u._isProcessing()||u._pingProcessing(0)})),this._actionQueue.push((function(){d((function(){u._doSeek(t)}))}))}},{key:"_doSeek",value:function _doSeek(t){var i=this;this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._state=L,this._seekTargetTime=t,this._lastSeekPosition=-1,this._decodedFrames=[],this._pendingFrames=[],this._pendingFrame=0,this._pendingAudio=0,this._didSeek=!1,this._codec.seekToKeypoint(t,(function(u){if(u)return i._seekState=H,i._fireEventAsync("seeking"),i._didSeek?void 0:void i._pingProcessing();i._codec.getKeypointOffset(t,(function(t){t>0?(i._seekState=H,i._seekStream(t)):(i._seekState=X,i._startBisection(i._seekTargetTime)),i._fireEventAsync("seeking")}))}))}},{key:"_startBisection",value:function _startBisection(t){var i=this,u=Math.max(0,this._stream.length-65536);this._bisectTargetTime=t,this._seekBisector=new k.default({start:0,end:u,process:function process(t,u,d){return d!=i._lastSeekPosition&&(i._lastSeekPosition=d,i._codec.flush((function(){i._seekStream(d)})),!0)}}),this._seekBisector.start()}},{key:"_continueSeekedPlayback",value:function _continueSeekedPlayback(){var t=this;this._seekState=W,this._state=V,this._frameEndTimestamp=this._codec.frameTimestamp,this._audioEndTimestamp=this._codec.audioTimestamp,this._codec.hasAudio?this._seekTargetTime=this._codec.audioTimestamp:this._seekTargetTime=this._codec.frameTimestamp,this._initialPlaybackOffset=this._seekTargetTime;var i=function finishedSeeking(){t._lastTimeUpdate=t._seekTargetTime,t._fireEventAsync("timeupdate"),t._fireEventAsync("seeked"),t._isProcessing()||t._pingProcessing()};if(this._codec.hasVideo&&this._decodedFrames.length){var u=this._decodedFrames.shift();this._drawFrame(u.yCbCrBuffer),i()}else{if(this._codec.hasVideo&&this._codec.frameReady)return this._codec.decodeFrame((function(u){u&&t._drawFrame(t._codec.frameBuffer),i()})),void this._codec.sync();i()}}},{key:"_drawFrame",value:function _drawFrame(t){this._thumbnail&&(this.removeChild(this._thumbnail),this._thumbnail=null),this._frameSink.drawFrame(t),this._video&&(this._canvasStream||(this._canvasStream=this._canvas.captureStream(0),this._videoTrack=this._canvasStream.getVideoTracks()[0],this._mediaStream.addTrack(this._videoTrack),navigator.userAgent.match(/WebKit/)&&(this._video.src=this._mediaStream,this._video.play())),this._videoTrack&&this._videoTrack.requestFrame?this._videoTrack.requestFrame():this._canvasStream&&this._canvasStream.requestFrame&&this._canvasStream.requestFrame())}},{key:"_doProcessLinearSeeking",value:function _doProcessLinearSeeking(){var t,i=this;if(t=this._codec.hasVideo?this._targetPerFrameTime/1e3:1/256,this._codec.hasVideo){if(this._pendingFrame)return;if(!this._codec.frameReady)return void this._codec.process((function(t){t?i._pingProcessing():i._streamEnded?(i._log("stream ended during linear seeking on video"),i._dataEnded=!0,i._continueSeekedPlayback()):i._readBytesAndWait()}));if(this._seekMode===Y&&this._codec.keyframeTimestamp==this._codec.frameTimestamp)return void this._continueSeekedPlayback();if(this._codec.frameTimestamp<=this._seekTargetTime){var u=this._codec.frameTimestamp;return this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:u}),this._decodedFrames.splice(0,this._decodedFrames.length),this._codec.decodeFrame((function(t){i._pendingFrame--,i._pendingFrames.shift(),i._decodedFrames.push({yCbCrBuffer:i._codec.frameBuffer,videoCpuTime:i._codec.videoCpuTime,frameEndTimestamp:u}),i._pingProcessing()})),void this._codec.sync()}if(!this._codec.hasAudio)return void this._continueSeekedPlayback()}if(this._codec.hasAudio){if(this._pendingAudio)return;return this._codec.audioReady?this._codec.audioTimestamp+t<this._seekTargetTime?void this._codec.decodeAudio((function(){i._pingProcessing()})):void this._continueSeekedPlayback():void this._codec.process((function(t){t?i._pingProcessing():i._streamEnded?(i._log("stream ended during linear seeking on audio"),i._dataEnded=!0,i._continueSeekedPlayback()):i._readBytesAndWait()}))}}},{key:"_doProcessBisectionSeek",value:function _doProcessBisectionSeek(){var t,i,u=this;if(this._codec.hasVideo)i=this._codec.frameTimestamp,t=this._targetPerFrameTime/1e3;else{if(!this._codec.hasAudio)throw new Error("Invalid seek state; no audio or video track available");i=this._codec.audioTimestamp,t=1/256}i<0?this._codec.process((function(t){if(t)u._pingProcessing();else if(u._streamEnded){if(u._log("stream ended during bisection seek"),!u._seekBisector.right())throw u._log("failed going back"),new Error("not sure what to do")}else u._readBytesAndWait()})):i-t/2>this._bisectTargetTime?this._seekBisector.left()||(this._log("close enough (left)"),this._seekTargetTime=i,this._continueSeekedPlayback()):i+t/2<this._bisectTargetTime?this._seekBisector.right()||(this._log("close enough (right)"),this._seekState=H,this._pingProcessing()):this._seekState==X&&this._codec.hasVideo&&this._codec.keyframeTimestamp<this._codec.frameTimestamp?(this._log("finding the keypoint now"),this._seekState=N,this._startBisection(this._codec.keyframeTimestamp)):(this._log("straight seeking now"),this._seekState=H,this._pingProcessing())}},{key:"_setupVideo",value:function _setupVideo(){this._videoInfo.fps>0?this._targetPerFrameTime=1e3/this._videoInfo.fps:this._targetPerFrameTime=16.667,this._canvas.width=this._videoInfo.displayWidth,this._canvas.height=this._videoInfo.displayHeight,OGVPlayer.styleManager.appendRule("."+this._instanceId,{width:this._videoInfo.displayWidth+"px",height:this._videoInfo.displayHeight+"px"}),OGVPlayer.updatePositionOnResize();var t={};void 0!==this._options.webGL&&(t.webGL=this._options.webGL),this._options.forceWebGL&&(t.webGL="required"),this._frameSink=v.default.attach(this._canvas,t)}},{key:"_doProcessing",value:function _doProcessing(){if(this._didSeek&&(this._didSeek=!1),this._nextProcessingTimer=null,this._isProcessing(),this._depth>0)throw new Error("REENTRANCY FAIL: doProcessing recursing unexpectedly");var t=0;do{if(this._needProcessing=!1,this._depth++,this._doProcessingLoop(),this._depth--,this._needProcessing&&this._isProcessing())throw new Error("REENTRANCY FAIL: waiting on input or codec but asked to keep processing");++t>500&&(this._log("stuck in processing loop; breaking with timer"),this._needProcessing=0,this._pingProcessing(0))}while(this._needProcessing)}},{key:"_doProcessingLoop",value:function _doProcessingLoop(){if(this._actionQueue.length)this._actionQueue.shift()();else if(this._state==C)this._doProcessInitial();else if(this._state==B)this._doProcessSeekingEnd();else if(this._state==D)this._doProcessLoaded();else if(this._state==M)this._doProcessPreload();else if(this._state==V)this._doProcessReady();else if(this._state==L)this._doProcessSeeking();else if(this._state==I)this._doProcessPlay();else{if(this._state!=j)throw new Error("Unexpected OGVPlayer state "+this._state);this._doProcessError()}}},{key:"_doProcessInitial",value:function _doProcessInitial(){var t=this;if(this._codec.loadedMetadata){if(!this._codec.hasVideo&&!this._codec.hasAudio)throw new Error("No audio or video found, something is wrong");this._codec.hasAudio&&(this._audioInfo=this._codec.audioFormat),this._codec.hasVideo&&(this._videoInfo=this._codec.videoFormat,this._setupVideo()),isNaN(this._codec.duration)||(this._duration=this._codec.duration),null===this._duration&&this._stream.seekable&&"video/ogg"==this._detectedType?(this._state=B,this._lastSeenTimestamp=-1,this._codec.flush((function(){t._seekStream(Math.max(0,t._stream.length-131072))}))):(this._state=D,this._pingProcessing())}else this._codec.process((function(i){if(i)t._pingProcessing();else{if(t._streamEnded)throw new Error("end of file before headers found");t._log("reading more cause we are out of data"),t._readBytesAndWait()}}))}},{key:"_doProcessSeekingEnd",value:function _doProcessSeekingEnd(){var t=this;this._codec.frameReady?(this._log("saw frame with "+this._codec.frameTimestamp),this._lastSeenTimestamp=Math.max(this._lastSeenTimestamp,this._codec.frameTimestamp),this._codec.discardFrame((function(){t._pingProcessing()}))):this._codec.audioReady?(this._log("saw audio with "+this._codec.audioTimestamp),this._lastSeenTimestamp=Math.max(this._lastSeenTimestamp,this._codec.audioTimestamp),this._codec.discardAudio((function(){t._pingProcessing()}))):this._codec.process((function(i){i?t._pingProcessing():t._stream.eof?(t._log("seek-duration: we are at the end: "+t._lastSeenTimestamp),t._lastSeenTimestamp>0&&(t._duration=t._lastSeenTimestamp),t._state=D,t._codec.flush((function(){t._streamEnded=!1,t._dataEnded=!1,t._seekStream(0)}))):t._readBytesAndWait()}))}},{key:"_doProcessLoaded",value:function _doProcessLoaded(){this._state=M,this._fireEventAsync("loadedmetadata"),this._fireEventAsync("durationchange"),this._codec.hasVideo&&this._fireEventAsync("resize"),this._pingProcessing(0)}},{key:"_doProcessPreload",value:function _doProcessPreload(){var t=this;!this._codec.frameReady&&this._codec.hasVideo||!this._codec.audioReady&&this._codec.hasAudio?this._codec.process((function(i){i?t._pingProcessing():t._streamEnded?t._ended=!0:t._readBytesAndWait()})):(this._state=V,this._fireEventAsync("loadeddata"),this._pingProcessing())}},{key:"_doProcessReady",value:function _doProcessReady(){var t=this;if(this._log("initial seek to "+this._initialSeekTime),this._initialSeekTime>0){var i=this._initialSeekTime;this._initialSeekTime=0,this._log("initial seek to "+i),this._doSeek(i)}else if(this._paused)this._log("paused while in ready");else{var u=function finishStartPlaying(){t._log("finishStartPlaying"),t._state=I,t._lastFrameTimestamp=R(),t._codec.hasAudio&&t._audioFeeder?t._prebufferingAudio=!0:t._startPlayback(),t._pingProcessing(0),t._fireEventAsync("play"),t._fireEventAsync("playing")};!this._codec.hasAudio||this._audioFeeder||this._muted?u():(this._initAudioFeeder(),this._audioFeeder.waitUntilReady(u))}}},{key:"_doProcessSeeking",value:function _doProcessSeeking(){if(this._seekState==W)throw new Error("seeking in invalid state (not seeking?)");if(this._seekState==X)this._doProcessBisectionSeek();else if(this._seekState==N)this._doProcessBisectionSeek();else{if(this._seekState!=H)throw new Error("Invalid seek state "+this._seekState);this._doProcessLinearSeeking()}}},{key:"_doProcessPlay",value:function _doProcessPlay(){var t=this,i=this._codec;if(this._paused)this._log("paused during playback; stopping loop");else if((!i.hasAudio||i.audioReady||this._pendingAudio||this._dataEnded)&&(!i.hasVideo||i.frameReady||this._pendingFrame||this._decodedFrames.length||this._dataEnded)){var u,d,c,h=null,l=0,_=!1,p=0;if(i.hasAudio&&this._audioFeeder?(h=this._audioFeeder.getPlaybackState(),l=this._getPlaybackTime(h),_=this._dataEnded&&0==this._audioFeeder.durationBuffered,this._prebufferingAudio&&(this._audioFeeder.durationBuffered>=2*this._audioFeeder.bufferThreshold&&(!i.hasVideo||this._decodedFrames.length>=this._framePipelineDepth)||this._dataEnded)&&(this._log("prebuffering audio done; buffered to "+this._audioFeeder.durationBuffered),this._startPlayback(l),this._prebufferingAudio=!1),h.dropped!=this._droppedAudio&&this._log("dropped "+(h.dropped-this._droppedAudio)),h.delayed!=this._delayedAudio&&this._log("delayed "+(h.delayed-this._delayedAudio)),this._droppedAudio=h.dropped,this._delayedAudio=h.delayed,(u=this._audioFeeder.durationBuffered<=2*this._audioFeeder.bufferThreshold)&&(this._codec.audioReady?this._pendingAudio>=this._audioPipelineDepth&&(this._log("audio decode disabled: "+this._pendingAudio+" packets in flight"),u=!1):u=!1)):(l=this._getPlaybackTime(),u=this._codec.audioReady&&this._audioEndTimestamp<l),this._codec.hasVideo){d=this._decodedFrames.length>0,c=this._pendingFrame+this._decodedFrames.length<this._framePipelineDepth+this._frameParallelism&&this._codec.frameReady,d&&(p=1e3*(this._decodedFrames[0].frameEndTimestamp-l),this._actualPerFrameTime=this._targetPerFrameTime-p);var m=this._targetPerFrameTime;if(this._prebufferingAudio)c&&this._log("decoding a frame during prebuffering"),d=!1;else if(d&&this._dataEnded&&_)this._log("audio timeline ended? ready to draw frame");else if(d&&-p>=m){for(var g=-1,v=0;v<this._decodedFrames.length-1;v++)this._decodedFrames[v].frameEndTimestamp<l&&(g=v-1);if(g>=0)for(;g-- >=0;){this._lateFrames++;var y=this._decodedFrames.shift();this._log("skipping already-decoded late frame at "+y.frameEndTimestamp),p=1e3*(y.frameEndTimestamp-l),this._frameEndTimestamp=y.frameEndTimestamp,this._actualPerFrameTime=this._targetPerFrameTime-p,this._framesProcessed++,y.dropped=!0,this._doFrameComplete(y)}var b=this._codec.nextKeyframeTimestamp,T=b-this._targetPerFrameTime/1e3*(this._framePipelineDepth+this._pendingFrame);if(b>=0&&b!=this._codec.frameTimestamp&&l>=T){this._log("skipping late frame at "+this._decodedFrames[0].frameEndTimestamp+" vs "+l+", expect to see keyframe at "+b);for(var k=0;k<this._decodedFrames.length;k++){var P=this._decodedFrames[k];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=P.frameEndTimestamp,p=1e3*(P.frameEndTimestamp-l),this._actualPerFrameTime=this._targetPerFrameTime-p,P.dropped=!0,this._doFrameComplete(P)}this._decodedFrames=[];for(var w=0;w<this._pendingFrames.length;w++){var E=this._pendingFrames[w];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=E.frameEndTimestamp,p=1e3*(E.frameEndTimestamp-l),this._actualPerFrameTime=this._targetPerFrameTime-p,E.dropped=!0,this._doFrameComplete(E)}for(this._pendingFrames=[],this._pendingFrame=0;this._codec.frameReady&&this._codec.frameTimestamp<b;){var x={frameEndTimestamp:this._codec.frameTimestamp,dropped:!0};p=1e3*(x.frameEndTimestamp-l),this._actualPerFrameTime=this._targetPerFrameTime-p,this._lateFrames++,this._codec.discardFrame((function(){})),this._framesProcessed++,this._doFrameComplete(x)}return void(this._isProcessing()||this._pingProcessing())}}else d&&p<=4||(d=!1)}if(c){this._log("play loop: ready to decode frame; thread depth: "+this._pendingFrame+", have buffered: "+this._decodedFrames.length),0==this._videoInfo.fps&&this._codec.frameTimestamp-this._frameEndTimestamp>0&&(this._targetPerFrameTime=1e3*(this._codec.frameTimestamp-this._frameEndTimestamp)),this._totalFrameTime+=this._targetPerFrameTime,this._totalFrameCount++;var A=this._frameEndTimestamp=this._codec.frameTimestamp;this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:A});var R=this._pendingFrames,O=!1,S=this._time((function(){t._codec.decodeFrame((function(i){R===t._pendingFrames?(t._log("play loop callback: decoded frame"),t._pendingFrame--,t._pendingFrames.shift(),i?t._decodedFrames.push({yCbCrBuffer:t._codec.frameBuffer,videoCpuTime:t._codec.videoCpuTime,frameEndTimestamp:A}):t._log("Bad video packet or something"),t._codec.process((function(){t._isProcessing()||t._pingProcessing(O?void 0:0)}))):t._log("play loop callback after flush, discarding")}))}));this._pendingFrame&&(O=!0,this._proxyTime+=S,this._pingProcessing(),this._dataEnded&&this._codec.sync())}else if(u){this._log("play loop: ready for audio; depth: "+this._pendingAudio),this._pendingAudio++;var C=this._codec.audioTimestamp,B=this._time((function(){t._codec.decodeAudio((function(i){if(t._pendingAudio--,t._log("play loop callback: decoded audio"),t._audioEndTimestamp=C,i){var u=t._codec.audioBuffer;if(u&&(t._bufferTime+=t._time((function(){t._audioFeeder&&t._audioFeeder.bufferData(u)})),!t._codec.hasVideo)){t._framesProcessed++;var d={frameEndTimestamp:t._audioEndTimestamp};t._doFrameComplete(d)}}t._isProcessing()||t._pingProcessing()}))}));this._pendingAudio&&(this._proxyTime+=B,this._codec.audioReady?this._pingProcessing():this._doProcessPlayDemux())}else if(d){this._log("play loop: ready to draw frame"),this._nextFrameTimer&&(clearTimeout(this._nextFrameTimer),this._nextFrameTimer=null),this._thumbnail&&(this.removeChild(this._thumbnail),this._thumbnail=null);var D=this._decodedFrames.shift();this._currentVideoCpuTime=D.videoCpuTime,this._drawingTime+=this._time((function(){t._drawFrame(D.yCbCrBuffer)})),this._framesProcessed++,this._doFrameComplete(D),this._pingProcessing()}else if(!this._decodedFrames.length||this._nextFrameTimer||this._prebufferingAudio)if(this._dataEnded&&!(this._pendingAudio||this._pendingFrame||this._decodedFrames.length)){this._log("play loop: playback reached end of data "+[this._pendingAudio,this._pendingFrame,this._decodedFrames.length]);var M=0;this._codec.hasAudio&&this._audioFeeder&&(M=1e3*this._audioFeeder.durationBuffered),M>0?(this._log("play loop: ending pending "+M+" ms"),this._pingProcessing(Math.max(0,M))):(this._log("play loop: ENDING NOW: playback time "+this._getPlaybackTime()+"; frameEndTimestamp: "+this._frameEndTimestamp),this._stopPlayback(),this._prebufferingAudio=!1,this._initialPlaybackOffset=Math.max(this._audioEndTimestamp,this._frameEndTimestamp),this._ended=!0,this._paused=!0,this._fireEventAsync("pause"),this._fireEventAsync("ended"))}else this._prebufferingAudio&&(i.hasVideo&&!i.frameReady||i.hasAudio&&!i.audioReady)?(this._log("play loop: prebuffering demuxing"),this._doProcessPlayDemux()):this._log("play loop: waiting on async/timers");else{var V=p;this._log("play loop: setting a timer for drawing "+V),this._nextFrameTimer=setTimeout((function(){t._nextFrameTimer=null,t._pingProcessing()}),V)}}else this._log("play loop: demuxing"),this._doProcessPlayDemux()}},{key:"_doProcessPlayDemux",value:function _doProcessPlayDemux(){var t=this,i=this._codec.frameReady,u=this._codec.audioReady;this._codec.process((function(d){t._codec.frameReady&&!i||t._codec.audioReady&&!u?(t._log("demuxer has packets"),t._pingProcessing()):d?(t._log("demuxer processing to find more packets"),t._pingProcessing()):(t._log("demuxer ran out of data"),t._streamEnded?(t._log("demuxer reached end of data stream"),t._dataEnded=!0,t._pingProcessing()):(t._log("demuxer loading more data"),t._readBytesAndWait()))}))}},{key:"_doProcessError",value:function _doProcessError(){}},{key:"_isProcessing",value:function _isProcessing(){return this._stream&&(this._stream.buffering||this._stream.seeking)||this._codec&&this._codec.processing}},{key:"_readBytesAndWait",value:function _readBytesAndWait(){var t=this;if(this._stream.buffering||this._stream.seeking)this._log("readBytesAndWait during i/o");else{this._stream.read(32768).then((function(i){t._log("got input "+[i.byteLength]),i.byteLength&&t._actionQueue.push((function(){t._codec.receiveInput(i,(function(){t._pingProcessing()}))})),t._stream.eof&&(t._log("stream is at end!"),t._streamEnded=!0),t._isProcessing()||t._pingProcessing()})).catch((function(i){t._onStreamError(i)}))}}},{key:"_pingProcessing",value:function _pingProcessing(){var t=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1;if(this._stream&&this._stream.waiting)this._log("waiting on input");else{this._nextProcessingTimer&&(this._log("canceling old processing timer"),clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null);var u=-1/256;i>u?this._nextProcessingTimer=setTimeout((function(){t._pingProcessing()}),i):this._depth?this._needProcessing=!0:this._doProcessing()}}},{key:"_startProcessingVideo",value:function _startProcessingVideo(t){var i=this;if(!this._started&&!this._codec){this._framesProcessed=0,this._bufferTime=0,this._drawingTime=0,this._proxyTime=0,this._started=!0,this._ended=!1;var u={base:this._options.base,worker:this._enableWorker,threading:this._enableThreading,simd:this._enableSIMD};this._detectedType&&(u.type=this._detectedType),this._codec=new A.default(u),this._lastVideoCpuTime=0,this._lastAudioCpuTime=0,this._lastDemuxerCpuTime=0,this._lastBufferTime=0,this._lastDrawingTime=0,this._lastProxyTime=0,this._lastFrameVideoCpuTime=0,this._lastFrameAudioCpuTime=0,this._lastFrameDemuxerCpuTime=0,this._lastFrameBufferTime=0,this._lastFrameProxyTime=0,this._lastFrameDrawingTime=0,this._currentVideoCpuTime=0,this._codec.onseek=function(t){i._didSeek=!0,i._stream&&i._seekStream(t)},this._codec.init((function(){i._codec.receiveInput(t,(function(){i._readBytesAndWait()}))}))}}},{key:"_loadCodec",value:function _loadCodec(t){var i=this;this._stream.read(1024).then((function(u){var d=new Uint8Array(u);d.length>4&&d[0]=="O".charCodeAt(0)&&d[1]=="g".charCodeAt(0)&&d[2]=="g".charCodeAt(0)&&d[3]=="S".charCodeAt(0)?i._detectedType="video/ogg":d.length>4&&26==d[0]&&69==d[1]&&223==d[2]&&163==d[3]?i._detectedType="video/webm":i._detectedType="video/ogg",t(u)}))}},{key:"_prepForLoad",value:function _prepForLoad(t){var i=this;this._stopVideo();this._currentSrc="",this._loading=!0,this._actionQueue.push((function(){t&&"none"===i.preload?i._loading=!1:function doLoad(){i._options.stream?i._stream=i._options.stream:i._stream=new y.default({url:i.src,cacheSize:16777216,progressive:!1}),i._stream.load().then((function(){i._loading=!1,i._currentSrc=i.src,i._byteLength=i._stream.seekable?i._stream.length:0;var t=i._stream.headers["x-content-duration"];"string"==typeof t&&(i._duration=parseFloat(t)),i._loadCodec((function(t){i._startProcessingVideo(t)}))})).catch((function(t){i._onStreamError(t)}))}()})),this._pingProcessing(0)}},{key:"load",value:function load(){this._prepForLoad()}},{key:"canPlayType",value:function canPlayType(t){var i=new E.default(t);function checkTypes(t){if(i.codecs){var u=0,d=0;return i.codecs.forEach((function(i){t.indexOf(i)>=0?u++:d++})),0===u||d>0?"":"probably"}return"maybe"}return"ogg"!==i.minor||"audio"!==i.major&&"video"!==i.major&&"application"!==i.major?"webm"!==i.minor||"audio"!==i.major&&"video"!==i.major?"":checkTypes(["vorbis","opus","vp8","vp9"]):checkTypes(["vorbis","opus","theora"])}},{key:"play",value:function play(){this._muted||this._options.audioContext||OGVPlayer.initSharedAudioContext(),this._paused&&(this._startedPlaybackInDocument=document.body.contains(this),this._paused=!1,this._state==L||(this._started&&this._codec&&this._codec.loadedMetadata?(this._ended&&this._stream&&this._byteLength?(this._log(".play() starting over after end"),this._seek(0)):this._log(".play() while already started"),this._state=V,this._isProcessing()||this._pingProcessing()):this._loading?this._log(".play() while loading"):(this._log(".play() before started"),this._stream||this.load()))),this._video&&this._video.paused&&this._video.play()}},{key:"getPlaybackStats",value:function getPlaybackStats(){return{targetPerFrameTime:this._targetPerFrameTime,framesProcessed:this._framesProcessed,videoBytes:this._codec?this._codec.videoBytes:0,audioBytes:this._codec?this._codec.audioBytes:0,playTime:this._playTime,demuxingTime:this._codec?this._codec.demuxerCpuTime-this._lastDemuxerCpuTime:0,videoDecodingTime:this._codec?this._codec.videoCpuTime-this._lastVideoCpuTime:0,audioDecodingTime:this._codec?this._codec.audioCpuTime-this._lastAudioCpuTime:0,bufferTime:this._bufferTime-this._lastBufferTime,drawingTime:this._drawingTime-this._lastDrawingTime,proxyTime:this._proxyTime-this._lastProxyTime,droppedAudio:this._droppedAudio,delayedAudio:this._delayedAudio,jitter:this._totalJitter/this._framesProcessed,lateFrames:this._lateFrames}}},{key:"resetPlaybackStats",value:function resetPlaybackStats(){this._framesProcessed=0,this._playTime=0,this._codec&&(this._lastDemuxerCpuTime=this._codec.demuxerCpuTime,this._lastVideoCpuTime=this._codec.videoCpuTime,this._lastAudioCpuTime=this._codec.audioCpuTime,this._codec.videoBytes=0,this._codec.audioBytes=0),this._lastBufferTime=this._bufferTime,this._lastDrawingTime=this._drawingTime,this._lastProxyTime=this._proxyTime,this._totalJitter=0,this._totalFrameTime=0,this._totalFrameCount=0}},{key:"getVideoFrameSink",value:function getVideoFrameSink(){return this._frameSink}},{key:"getCanvas",value:function getCanvas(){return this._canvas}},{key:"getVideo",value:function getVideo(){return this._video}},{key:"pause",value:function pause(){this._paused||(this._nextProcessingTimer&&(clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null),this._stopPlayback(),this._prebufferingAudio=!1,this._paused=!0,this._fireEvent("pause"))}},{key:"stop",value:function stop(){this._stopVideo(),this._paused=!0}},{key:"fastSeek",value:function fastSeek(t){this._seek(+t,Y)}}],[{key:"initSharedAudioContext",value:function initSharedAudioContext(){b.default.initSharedAudioContext()}}]),OGVPlayer}(OGVJSElement);if((0,P.default)(Q,S),Q.instanceCount=0,Q.styleManager=new function StyleManager(){var t=document.createElement("style");t.type="text/css",t.textContent="ogvjs { display: inline-block; position: relative; -webkit-user-select: none; -webkit-tap-highlight-color: rgba(0,0,0,0); ",document.head.appendChild(t);var i=t.sheet;this.appendRule=function(t,u){var d=[];for(var c in u)u.hasOwnProperty(c)&&d.push(c+":"+u[c]);var h=t+"{"+d.join(";")+"}";i.insertRule(h,i.cssRules.length-1)}},Q.supportsObjectFit="string"==typeof document.createElement("canvas").style.objectFit,Q.supportsObjectFit&&navigator.userAgent.match(/iPhone|iPad|iPod Touch/)&&(Q.supportsObjectFit=!1),Q.supportsObjectFit&&navigator.userAgent.match(/Edge/)&&(Q.supportsObjectFit=!1),Q.supportsObjectFit)Q.updatePositionOnResize=function(){};else{Q.updatePositionOnResize=function(){function fixup(t,i,u){var d=t.offsetParent||t.parentNode,c=i/u;if(c>d.offsetWidth/d.offsetHeight){var h=d.offsetWidth/c,l=(d.offsetHeight-h)/2;t.style.width="100%",t.style.height=h+"px",t.style.marginLeft=0,t.style.marginRight=0,t.style.marginTop=l+"px",t.style.marginBottom=l+"px"}else{var _=d.offsetHeight*c,p=(d.offsetWidth-_)/2;t.style.width=_+"px",t.style.height="100%",t.style.marginLeft=p+"px",t.style.marginRight=p+"px",t.style.marginTop=0,t.style.marginBottom=0}}function queryOver(t,i){var u=document.querySelectorAll(t);Array.prototype.slice.call(u).forEach(i)}queryOver("ogvjs > canvas",(function(t){fixup(t,t.width,t.height)})),queryOver("ogvjs > img",(function(t){fixup(t,t.naturalWidth,t.naturalHeight)}))};var K=function fullResizeVideo(){O(Q.updatePositionOnResize)};window.addEventListener("resize",Q.updatePositionOnResize),window.addEventListener("orientationchange",Q.updatePositionOnResize),document.addEventListener("fullscreenchange",K),document.addEventListener("mozfullscreenchange",K),document.addEventListener("webkitfullscreenchange",K),document.addEventListener("MSFullscreenChange",K)}var $=Q;i.default=$},580:(t,i,u)=>{"use strict";var d=u(318);Object.defineProperty(i,"__esModule",{value:!0}),i.default=void 0;var c=d(u(575)),h=d(u(913));var l=function OGVProxyClass(t){return function(){function _class(i,u,d){var h=this;for(var l in(0,c.default)(this,_class),d=d||{},this.worker=i,this.transferables=function(){var t=new ArrayBuffer(1024),u=new Uint8Array(t);try{return i.postMessage({action:"transferTest",bytes:u},[t]),!t.byteLength}catch(t){return!1}}(),t)t.hasOwnProperty(l)&&(this[l]=t[l]);this.processingQueue=0,Object.defineProperty(this,"processing",{get:function get(){return 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t.onXHRProgress()})),this.xhr.addEventListener("error",(function(){return t.onXHRError()})),this.xhr.addEventListener("load",(function(){return t.onXHRLoad()})),this.emit("open")}},{key:"onXHRProgress",value:function onXHRProgress(){throw new Error("abstract")}},{key:"onXHRError",value:function onXHRError(){this.emit("error")}},{key:"onXHRLoad",value:function onXHRLoad(){this.eof=!0,this.emit("done")}}]),DownloadBackend}(u(306));t.exports=h},761:(t,i,u)=>{"use strict";var d=u(855),c=u(810),h=u(431);var l=null;t.exports=function instantiate(t){if(!1===t.progressive)return new h(t);if(l||(l=function autoselect(){return d.supported()?d:c.supported()?c:null}()),!l)throw new Error("No supported backend class");return new l(t)}},855:(t,i,u)=>{"use strict";var d=function(){function defineProperties(t,i){for(var u=0;u<i.length;u++){var d=i[u];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(t,d.key,d)}}return function(t,i,u){return 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i&&defineProperties(t.prototype,i),u&&defineProperties(t,u),t}}();function _classCallCheck(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}var u=function(){function CacheItem(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=t.buffer,u=void 0===i?void 0:i,d=t.string,c=void 0===d?void 0:d,h=t.start,l=void 0===h?0:h,_=t.end,p=void 0===_?l+(u?u.byteLength:c?c.length:0):_,m=t.prev,g=void 0===m?null:m,v=t.next,y=void 0===v?null:v,b=t.eof,T=void 0!==b&&b,k=t.empty,P=void 0===k?!(u||c):k,w=t.timestamp,E=void 0===w?Date.now():w;_classCallCheck(this,CacheItem),this.start=l,this.end=p,this.prev=g,this.next=y,this.eof=T,this.empty=P,this.timestamp=E,this.buffer=u,this.string=c,Object.defineProperty(this,"length",{get:function get(){return this.end-this.start}})}return i(CacheItem,[{key:"contains",value:function contains(t){return t>=this.start&&(t<this.end||this.eof)}},{key:"readBytes",value:function readBytes(t,i,u){var d=i-this.start,c=u-i;if(this.buffer){var h=new Uint8Array(this.buffer,d,c);t.set(h)}else{if(!this.string)throw new Error("invalid state");for(var l=this.string,_=0;_<c;_++)t[_]=l.charCodeAt(d+_)}this.timestamp=Date.now()}},{key:"split",value:function split(t){if(!this.empty||!this.contains(t))throw new Error("invalid split");var i=new CacheItem({start:this.start,end:t}),u=new CacheItem({start:t,end:this.eof?t:this.end,eof:this.eof});return i.next=u,u.prev=i,[i,u]}},{key:"first",value:function first(t){for(var i=this;i;i=i.next)if(t(i))return i;return null}},{key:"last",value:function last(t){for(var last=null,i=this;i&&t(i);i=i.next)last=i;return last}}]),CacheItem}();t.exports=u},91:(t,i,u)=>{"use strict";var d=function(){function defineProperties(t,i){for(var u=0;u<i.length;u++){var d=i[u];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(t,d.key,d)}}return function(t,i,u){return i&&defineProperties(t.prototype,i),u&&defineProperties(t,u),t}}();function _classCallCheck(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}var c=u(503),h=function(){function CachePool(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=t.cacheSize,u=void 0===i?0:i;_classCallCheck(this,CachePool);var d=new c({eof:!0});this.head=d,this.tail=d,this.readOffset=0,this.readCursor=d,this.writeOffset=0,this.writeCursor=d,this.cacheSize=u}return d(CachePool,[{key:"bytesReadable",value:function bytesReadable(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1/0,i=this.readOffset,u=this.readCursor,d=u.last((function(u){return!u.empty&&u.start<=i+t}));return d?Math.min(t,d.end-i):0}},{key:"bytesWritable",value:function bytesWritable(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1/0,i=this.writeOffset,u=this.writeCursor;if(u.eof)return t;var d=u.last((function(u){return u.empty&&u.start<=i+t}));return d?Math.min(t,d.end-i):0}},{key:"seekRead",value:function seekRead(t){var i=this.head.first((function(i){return i.contains(t)}));if(!i)throw new Error("read seek out of range");this.readOffset=t,this.readCursor=i}},{key:"seekWrite",value:function seekWrite(t){var i=this.head.first((function(i){return i.contains(t)}));if(!i)throw new Error("write seek out of range");this.writeOffset=t,this.writeCursor=i}},{key:"readBytes",value:function readBytes(t){for(var i=t.byteLength,u=this.bytesReadable(i),d=this.readOffset,c=d+u,h=d,l=this.readCursor;l&&!l.empty&&!(l.start>=c);l=l.next){var _=Math.min(c,l.end),p=t.subarray(h-d,_-d);l.readBytes(p,h,_),h=_}return this.readOffset=h,this.readCursor=this.readCursor.first((function(t){return t.contains(h)})),u}},{key:"write",value:function write(t){var i=this.bufferItem(t),u=this.writeCursor;if(!u.empty)throw new Error("write cursor not empty");if(!u.contains(i.end)&&u.end!==i.end)throw new Error("write cursor too small");u.start<i.start&&(this.split(u,i.start),u=this.writeCursor),(i.end<u.end||u.eof)&&(this.split(u,i.end),u=this.writeCursor),this.splice(u,u,i,i),this.writeOffset=i.end,this.writeCursor=i.next,this.gc()}},{key:"bufferItem",value:function bufferItem(t){if(t instanceof ArrayBuffer)return new c({start:this.writeOffset,end:this.writeOffset+t.byteLength,buffer:t});if("string"==typeof t)return new c({start:this.writeOffset,end:this.writeOffset+t.length,string:t});throw new Error("invalid input to write")}},{key:"split",value:function split(t,i){var u=t.split(i);this.splice(t,t,u[0],u[1])}},{key:"ranges",value:function ranges(){for(var ranges=[],t=this.head;t;t=t.next)if(!t.empty){var i=t;t=t.last((function(t){return!t.empty})),ranges.push([i.start,t.end])}return ranges}},{key:"gc",value:function gc(){for(var t=0,i=[],u=this.head;u;u=u.next)u.empty||(t+=u.length,(u.end<this.readOffset||u.start>this.readOffset+this.chunkSize)&&i.push(u));if(t>this.cacheSize){i.sort((function(t,i){return t.timestamp-i.timestamp}));for(var d=0;d<i.length;d++){var c=i[d];if(t<=this.cacheSize)break;this.remove(c),t-=c.length}}}},{key:"remove",value:function remove(t){var i=new c({start:t.start,end:t.end});this.splice(t,t,i,i),(t=i).prev&&t.prev.empty&&(t=this.consolidate(t.prev)),t.next&&t.next.empty&&!t.next.eof&&(t=this.consolidate(t)),0===t.start&&(this.head=t)}},{key:"consolidate",value:function consolidate(t){var i=t.last((function(t){return t.empty&&!t.eof})),u=new c({start:t.start,end:i.end});return this.splice(t,i,u,u),u}},{key:"splice",value:function splice(t,i,u,d){var c=this;if(t.start!==u.start)throw new Error("invalid splice head");if(!(i.end===d.end||i.eof&&d.eof))throw new Error("invalid splice tail");var h=t.prev,l=i.next;t.prev=null,i.next=null,h&&(h.next=u,u.prev=h),l&&(l.prev=d,d.next=l),t===this.head&&(this.head=u),i===this.tail&&(this.tail=d),this.readCursor=this.head.first((function(t){return t.contains(c.readOffset)})),this.writeCursor=this.head.first((function(t){return t.contains(c.writeOffset)}))}},{key:"eof",get:function get(){return this.readCursor.eof}}]),CachePool}();t.exports=h},814:(t,i,u)=>{"use strict";t.exports=u(91)},566:t=>{"use strict";var i=function(){function defineProperties(t,i){for(var u=0;u<i.length;u++){var d=i[u];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(t,d.key,d)}}return function(t,i,u){return i&&defineProperties(t.prototype,i),u&&defineProperties(t,u),t}}();var u=function(){function TinyEvents(){!function _classCallCheck(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}(this,TinyEvents),this._e={}}return i(TinyEvents,[{key:"on",value:function on(t,i){(this._e[t]||(this._e[t]=[])).push(i)}},{key:"off",value:function off(t,i){var u=this._e[t]||[],d=u.indexOf(i);i>=0&&u.splice(d,1)}},{key:"emit",value:function emit(t,i){(this._e[t]||[]).slice().forEach((function(t){return t(i)}))}}]),TinyEvents}();t.exports=u},936:(t,i,u)=>{"use strict";var d=function(){function defineProperties(t,i){for(var u=0;u<i.length;u++){var d=i[u];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(t,d.key,d)}}return function(t,i,u){return i&&defineProperties(t.prototype,i),u&&defineProperties(t,u),t}}();u(566);var c=u(814),h=u(761),l=function(){function StreamFile(t){var i=t.url,u=void 0===i?"":i,d=t.chunkSize,h=void 0===d?1048576:d,l=t.cacheSize,_=void 0===l?0:l,p=t.progressive,m=void 0===p||p;!function _classCallCheck(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")}(this,StreamFile),this.length=-1,this.loaded=!1,this.loading=!1,this.seekable=!1,this.buffering=!1,this.seeking=!1,this.progressive=m,Object.defineProperties(this,{offset:{get:function get(){return this._cache.readOffset}},eof:{get:function get(){return this.length===this._cache.readOffset}}}),this.url=u,this.headers={},this._cache=new c({cacheSize:_}),this._backend=null,this._cachever=0,this._chunkSize=h}return d(StreamFile,[{key:"load",value:function load(){var t=this;return new Promise((function(i,u){if(t.loading)throw new Error("cannot load when loading");if(t.loaded)throw new Error("cannot load when loaded");t.loading=!0,t._openBackend().then((function(u){t.seekable=u.seekable,t.headers=u.headers,t.length=u.length,t.loaded=!0,t.loading=!1,i()})).catch((function(i){"AbortError"!==i.name&&(t.loading=!1),u(i)}))}))}},{key:"_openBackend",value:function _openBackend(){var t=this;return new Promise((function(i,u){if(t._backend)i(t._backend);else if(t.eof)u(new Error("cannot open at end of file"));else{var d=t._cache,c=t._chunkSize,l=d.bytesReadable(c),_=d.readOffset+l;if(d.seekWrite(_),t.length>=0&&_>=t.length)return void i(null);var p=t._clampToLength(d.writeOffset+d.bytesWritable(c))-d.writeOffset;if(0===p)i(null);else{var m=t._backend=new h({url:t.url,offset:t._cache.writeOffset,length:p,cachever:t._cachever,progressive:t.progressive}),g=null,v=function checkOpen(){m!==t._backend?(g(),u(new Error("invalid state"))):(m.on("buffer",(function(i){m===t._backend&&t._cache.write(i)})),m.on("done",(function(){m===t._backend&&(-1===t.length&&(t.length=t._backend.offset+t._backend.bytesRead),t._backend=null)})),i(m))},y=function checkError(i){m!==t._backend?u(new Error("invalid state")):(t._backend=null,u(i))};g=function oncomplete(){m.off("open",v),m.off("error",y)},m.on("open",v),m.on("error",y),m.on("cachever",(function(){t._cachever++})),m.load()}}}))}},{key:"_readAhead",value:function _readAhead(){var t=this;return new Promise((function(i,u){t._backend||t.eof?i():t._openBackend().then((function(){i()})).catch((function(t){u(t)}))}))}},{key:"seek",value:function seek(t){var i=this;return new Promise((function(u,d){if(!i.loaded||i.buffering||i.seeking)throw new Error("invalid state");if(t!==(0|t)||t<0)throw new Error("invalid input");if(i.length>=0&&t>i.length)throw new Error("seek past end of file");if(!i.seekable)throw new Error("seek on non-seekable stream");i._backend&&i.abort(),i._cache.seekRead(t),i._cache.seekWrite(t),i._readAhead().then(u).catch(d)}))}},{key:"read",value:function read(t){var i=this;return this.buffer(t).then((function(t){return i.readSync(t)}))}},{key:"readSync",value:function readSync(t){var i=this.bytesAvailable(t),u=new Uint8Array(i);if(this.readBytes(u)!==i)throw new Error("failed to read expected data");return u.buffer}},{key:"readBytes",value:function readBytes(t){if(!this.loaded||this.buffering||this.seeking)throw new Error("invalid state");if(!(t instanceof Uint8Array))throw new Error("invalid input");var i=this._cache.readBytes(t);return this._readAhead(),i}},{key:"buffer",value:function buffer(t){var i=this;return new Promise((function(u,d){if(!i.loaded||i.buffering||i.seeking)throw new Error("invalid state");if(t!==(0|t)||t<0)throw new Error("invalid input");var c=i._clampToLength(i.offset+t),h=c-i.offset,l=i.bytesAvailable(h);l>=h?u(l):(i.buffering=!0,i._openBackend().then((function(u){return u?u.bufferToOffset(c).then((function(){return i.buffering=!1,i.buffer(t)})):Promise.resolve(l)})).then((function(t){i.buffering=!1,u(t)})).catch((function(t){"AbortError"!==t.name&&(i.buffering=!1),d(t)})))}))}},{key:"bytesAvailable",value:function bytesAvailable(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1/0;return this._cache.bytesReadable(t)}},{key:"abort",value:function abort(){this.loading&&(this.loading=!1),this.buffering&&(this.buffering=!1),this.seeking&&(this.seeking=!1),this._backend&&(this._backend.abort(),this._backend=null)}},{key:"getBufferedRanges",value:function getBufferedRanges(){return this._cache.ranges()}},{key:"_clampToLength",value:function _clampToLength(t){return this.length<0?t:Math.min(this.length,t)}}]),StreamFile}();t.exports=l},826:t=>{t.exports={vertex:"precision lowp float;\n\nattribute vec2 aPosition;\nattribute vec2 aLumaPosition;\nattribute vec2 aChromaPosition;\nvarying vec2 vLumaPosition;\nvarying vec2 vChromaPosition;\nvoid main() {\n    gl_Position = vec4(aPosition, 0, 1);\n    vLumaPosition = aLumaPosition;\n    vChromaPosition = aChromaPosition;\n}\n",fragment:"// inspired by https://github.com/mbebenita/Broadway/blob/master/Player/canvas.js\n\nprecision lowp float;\n\nuniform sampler2D uTextureY;\nuniform sampler2D uTextureCb;\nuniform sampler2D uTextureCr;\nvarying vec2 vLumaPosition;\nvarying vec2 vChromaPosition;\nvoid main() {\n   // Y, Cb, and Cr planes are uploaded as LUMINANCE textures.\n   float fY = texture2D(uTextureY, vLumaPosition).x;\n   float fCb = texture2D(uTextureCb, vChromaPosition).x;\n   float fCr = texture2D(uTextureCr, vChromaPosition).x;\n\n   // Premultipy the Y...\n   float fYmul = fY * 1.1643828125;\n\n   // And convert that to RGB!\n   gl_FragColor = vec4(\n     fYmul + 1.59602734375 * fCr - 0.87078515625,\n     fYmul - 0.39176171875 * fCb - 0.81296875 * fCr + 0.52959375,\n     fYmul + 2.017234375   * fCb - 1.081390625,\n     1\n   );\n}\n",vertexStripe:"precision lowp float;\n\nattribute vec2 aPosition;\nattribute vec2 aTexturePosition;\nvarying vec2 vTexturePosition;\n\nvoid main() {\n    gl_Position = vec4(aPosition, 0, 1);\n    vTexturePosition = aTexturePosition;\n}\n",fragmentStripe:"// extra 'stripe' texture fiddling to work around IE 11's poor performance on gl.LUMINANCE and gl.ALPHA textures\n\nprecision lowp float;\n\nuniform sampler2D uStripe;\nuniform sampler2D uTexture;\nvarying vec2 vTexturePosition;\nvoid main() {\n   // Y, Cb, and Cr planes are mapped into a pseudo-RGBA texture\n   // so we can upload them without expanding the bytes on IE 11\n   // which doesn't allow LUMINANCE or ALPHA textures\n   // The stripe textures mark which channel to keep for each pixel.\n   // Each texture extraction will contain the relevant value in one\n   // channel only.\n\n   float fLuminance = dot(\n      texture2D(uStripe, vTexturePosition),\n      texture2D(uTexture, vTexturePosition)\n   );\n\n   gl_FragColor = vec4(fLuminance, fLuminance, fLuminance, 1);\n}\n"}},487:t=>{!function(){"use strict";function FrameSink(t,i){throw new Error("abstract")}FrameSink.prototype.drawFrame=function(t){throw new Error("abstract")},FrameSink.prototype.clear=function(){throw new Error("abstract")},t.exports=FrameSink}()},926:(t,i,u)=>{!function(){"use strict";var i=u(487),d=u(627);function SoftwareFrameSink(t){var i=this,u=t.getContext("2d"),c=null,h=null,l=null;return i.drawFrame=function drawFrame(i){var _=i.format;t.width===_.displayWidth&&t.height===_.displayHeight||(t.width=_.displayWidth,t.height=_.displayHeight),null!==c&&c.width==_.width&&c.height==_.height||function initImageData(t,i){for(var d=(c=u.createImageData(t,i)).data,h=t*i*4,l=0;l<h;l+=4)d[l+3]=255}(_.width,_.height),d.convertYCbCr(i,c.data);var p,m=_.cropWidth!=_.displayWidth||_.cropHeight!=_.displayHeight;m?(h||function initResampleCanvas(t,i){(h=document.createElement("canvas")).width=t,h.height=i,l=h.getContext("2d")}(_.cropWidth,_.cropHeight),p=l):p=u,p.putImageData(c,-_.cropLeft,-_.cropTop,_.cropLeft,_.cropTop,_.cropWidth,_.cropHeight),m&&u.drawImage(h,0,0,_.displayWidth,_.displayHeight)},i.clear=function(){u.clearRect(0,0,t.width,t.height)},i}SoftwareFrameSink.prototype=Object.create(i.prototype),t.exports=SoftwareFrameSink}()},895:(t,i,u)=>{!function(){"use strict";var i=u(487),d=u(826);function WebGLFrameSink(t){var i,u,c=this,h=WebGLFrameSink.contextForCanvas(t);if(null===h)throw new Error("WebGL unavailable");function compileShader(t,i){var u=h.createShader(t);if(h.shaderSource(u,i),h.compileShader(u),!h.getShaderParameter(u,h.COMPILE_STATUS)){var d=h.getShaderInfoLog(u);throw h.deleteShader(u),new Error("GL shader compilation for "+t+" failed: "+d)}return u}var l,_,p,m,g,v,y,b,T,k,P=new Float32Array([-1,-1,1,-1,-1,1,-1,1,1,-1,1,1]),w={},E={},x={};function createOrReuseTexture(t){return w[t]||(w[t]=h.createTexture()),w[t]}function uploadTexture(t,i,u,d){var c=createOrReuseTexture(t);if(h.activeTexture(h.TEXTURE0),WebGLFrameSink.stripe){var l=!w[t+"_temp"],_=createOrReuseTexture(t+"_temp");h.bindTexture(h.TEXTURE_2D,_),l?(h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_S,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_T,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MIN_FILTER,h.NEAREST),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MAG_FILTER,h.NEAREST),h.texImage2D(h.TEXTURE_2D,0,h.RGBA,i/4,u,0,h.RGBA,h.UNSIGNED_BYTE,d)):h.texSubImage2D(h.TEXTURE_2D,0,0,0,i/4,u,h.RGBA,h.UNSIGNED_BYTE,d);var p=w[t+"_stripe"],m=!p;m&&(p=createOrReuseTexture(t+"_stripe")),h.bindTexture(h.TEXTURE_2D,p),m&&(h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_S,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_T,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MIN_FILTER,h.NEAREST),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MAG_FILTER,h.NEAREST),h.texImage2D(h.TEXTURE_2D,0,h.RGBA,i,1,0,h.RGBA,h.UNSIGNED_BYTE,function buildStripe(t){if(x[t])return x[t];for(var i=t,u=new Uint32Array(i),d=0;d<i;d+=4)u[d]=255,u[d+1]=65280,u[d+2]=16711680,u[d+3]=4278190080;return x[t]=new Uint8Array(u.buffer)}(i)))}else h.bindTexture(h.TEXTURE_2D,c),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_S,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_T,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MIN_FILTER,h.LINEAR),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MAG_FILTER,h.LINEAR),h.texImage2D(h.TEXTURE_2D,0,h.LUMINANCE,i,u,0,h.LUMINANCE,h.UNSIGNED_BYTE,d)}function unpackTexture(t,i,d){var c=w[t];h.useProgram(u);var y=E[t];y||(h.activeTexture(h.TEXTURE0),h.bindTexture(h.TEXTURE_2D,c),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_S,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_T,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MIN_FILTER,h.LINEAR),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MAG_FILTER,h.LINEAR),h.texImage2D(h.TEXTURE_2D,0,h.RGBA,i,d,0,h.RGBA,h.UNSIGNED_BYTE,null),y=E[t]=h.createFramebuffer()),h.bindFramebuffer(h.FRAMEBUFFER,y),h.framebufferTexture2D(h.FRAMEBUFFER,h.COLOR_ATTACHMENT0,h.TEXTURE_2D,c,0);var b=w[t+"_temp"];h.activeTexture(h.TEXTURE1),h.bindTexture(h.TEXTURE_2D,b),h.uniform1i(v,1);var T=w[t+"_stripe"];h.activeTexture(h.TEXTURE2),h.bindTexture(h.TEXTURE_2D,T),h.uniform1i(g,2),h.bindBuffer(h.ARRAY_BUFFER,l),h.enableVertexAttribArray(_),h.vertexAttribPointer(_,2,h.FLOAT,!1,0,0),h.bindBuffer(h.ARRAY_BUFFER,p),h.enableVertexAttribArray(m),h.vertexAttribPointer(m,2,h.FLOAT,!1,0,0),h.viewport(0,0,i,d),h.drawArrays(h.TRIANGLES,0,P.length/2),h.bindFramebuffer(h.FRAMEBUFFER,null)}function attachTexture(t,u,d){h.activeTexture(u),h.bindTexture(h.TEXTURE_2D,w[t]),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_S,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_WRAP_T,h.CLAMP_TO_EDGE),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MIN_FILTER,h.LINEAR),h.texParameteri(h.TEXTURE_2D,h.TEXTURE_MAG_FILTER,h.LINEAR),h.uniform1i(h.getUniformLocation(i,t),d)}function initProgram(t,i){var u=compileShader(h.VERTEX_SHADER,t),d=compileShader(h.FRAGMENT_SHADER,i),c=h.createProgram();if(h.attachShader(c,u),h.attachShader(c,d),h.linkProgram(c),!h.getProgramParameter(c,h.LINK_STATUS)){var l=h.getProgramInfoLog(c);throw h.deleteProgram(c),new Error("GL program linking failed: "+l)}return c}return c.drawFrame=function(w){var E=w.format,x=!i||t.width!==E.displayWidth||t.height!==E.displayHeight;if(x&&(t.width=E.displayWidth,t.height=E.displayHeight,c.clear()),i||function init(){if(WebGLFrameSink.stripe){u=initProgram(d.vertexStripe,d.fragmentStripe),h.getAttribLocation(u,"aPosition"),p=h.createBuffer();var t=new Float32Array([0,0,1,0,0,1,0,1,1,0,1,1]);h.bindBuffer(h.ARRAY_BUFFER,p),h.bufferData(h.ARRAY_BUFFER,t,h.STATIC_DRAW),m=h.getAttribLocation(u,"aTexturePosition"),g=h.getUniformLocation(u,"uStripe"),v=h.getUniformLocation(u,"uTexture")}i=initProgram(d.vertex,d.fragment),l=h.createBuffer(),h.bindBuffer(h.ARRAY_BUFFER,l),h.bufferData(h.ARRAY_BUFFER,P,h.STATIC_DRAW),_=h.getAttribLocation(i,"aPosition"),y=h.createBuffer(),b=h.getAttribLocation(i,"aLumaPosition"),T=h.createBuffer(),k=h.getAttribLocation(i,"aChromaPosition")}(),x){var setupTexturePosition=function(t,i,u){var d=E.cropLeft/u,c=(E.cropLeft+E.cropWidth)/u,l=(E.cropTop+E.cropHeight)/E.height,_=E.cropTop/E.height,p=new Float32Array([d,l,c,l,d,_,d,_,c,l,c,_]);h.bindBuffer(h.ARRAY_BUFFER,t),h.bufferData(h.ARRAY_BUFFER,p,h.STATIC_DRAW)};setupTexturePosition(y,0,w.y.stride),setupTexturePosition(T,0,w.u.stride*E.width/E.chromaWidth)}uploadTexture("uTextureY",w.y.stride,E.height,w.y.bytes),uploadTexture("uTextureCb",w.u.stride,E.chromaHeight,w.u.bytes),uploadTexture("uTextureCr",w.v.stride,E.chromaHeight,w.v.bytes),WebGLFrameSink.stripe&&(unpackTexture("uTextureY",w.y.stride,E.height),unpackTexture("uTextureCb",w.u.stride,E.chromaHeight),unpackTexture("uTextureCr",w.v.stride,E.chromaHeight)),h.useProgram(i),h.viewport(0,0,t.width,t.height),attachTexture("uTextureY",h.TEXTURE0,0),attachTexture("uTextureCb",h.TEXTURE1,1),attachTexture("uTextureCr",h.TEXTURE2,2),h.bindBuffer(h.ARRAY_BUFFER,l),h.enableVertexAttribArray(_),h.vertexAttribPointer(_,2,h.FLOAT,!1,0,0),h.bindBuffer(h.ARRAY_BUFFER,y),h.enableVertexAttribArray(b),h.vertexAttribPointer(b,2,h.FLOAT,!1,0,0),h.bindBuffer(h.ARRAY_BUFFER,T),h.enableVertexAttribArray(k),h.vertexAttribPointer(k,2,h.FLOAT,!1,0,0),h.drawArrays(h.TRIANGLES,0,P.length/2)},c.clear=function(){h.viewport(0,0,t.width,t.height),h.clearColor(0,0,0,0),h.clear(h.COLOR_BUFFER_BIT)},c.clear(),c}WebGLFrameSink.stripe=-1!==navigator.userAgent.indexOf("Windows"),WebGLFrameSink.contextForCanvas=function(t){var i={preferLowPowerToHighPerformance:!0,powerPreference:"low-power",failIfMajorPerformanceCaveat:!0,preserveDrawingBuffer:!0};return t.getContext("webgl",i)||t.getContext("experimental-webgl",i)},WebGLFrameSink.isAvailable=function(){var t,i=document.createElement("canvas");i.width=1,i.height=1;try{t=WebGLFrameSink.contextForCanvas(i)}catch(t){return!1}if(t){var u=t.TEXTURE0,d=t.createTexture(),c=new Uint8Array(16),h=WebGLFrameSink.stripe?1:4,l=WebGLFrameSink.stripe?t.RGBA:t.LUMINANCE,_=WebGLFrameSink.stripe?t.NEAREST:t.LINEAR;return t.activeTexture(u),t.bindTexture(t.TEXTURE_2D,d),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,_),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,_),t.texImage2D(t.TEXTURE_2D,0,l,h,4,0,l,t.UNSIGNED_BYTE,c),!t.getError()}return!1},WebGLFrameSink.prototype=Object.create(i.prototype),t.exports=WebGLFrameSink}()},627:(t,i,u)=>{!function(){"use strict";var i=u(877);t.exports={convertYCbCr:function convertYCbCr(t,u){var d=0|t.format.width,c=0|t.format.height,h=0|i(t.format.width/t.format.chromaWidth),l=0|i(t.format.height/t.format.chromaHeight),_=t.y.bytes,p=t.u.bytes,m=t.v.bytes,g=0|t.y.stride,v=0|t.u.stride,y=0|t.v.stride,b=d<<2,T=0,k=0,P=0,w=0,E=0,x=0,A=0,R=0,O=0,S=0,C=0,B=0,D=0,M=0,V=0,I=0,L=0,j=0;if(1==h&&1==l)for(A=0,R=b,j=0,I=0;I<c;I+=2){for(P=(k=I*g|0)+g|0,w=j*v|0,E=j*y|0,V=0;V<d;V+=2)O=0|p[w++],B=(409*(S=0|m[E++])|0)-57088|0,D=(100*O|0)+(208*S|0)-34816|0,M=(516*O|0)-70912|0,C=298*_[k++]|0,u[A]=C+B>>8,u[A+1]=C-D>>8,u[A+2]=C+M>>8,A+=4,C=298*_[k++]|0,u[A]=C+B>>8,u[A+1]=C-D>>8,u[A+2]=C+M>>8,A+=4,C=298*_[P++]|0,u[R]=C+B>>8,u[R+1]=C-D>>8,u[R+2]=C+M>>8,R+=4,C=298*_[P++]|0,u[R]=C+B>>8,u[R+1]=C-D>>8,u[R+2]=C+M>>8,R+=4;A+=b,R+=b,j++}else for(x=0,I=0;I<c;I++)for(L=0,T=I*g|0,w=(j=I>>l)*v|0,E=j*y|0,V=0;V<d;V++)O=0|p[w+(L=V>>h)],B=(409*(S=0|m[E+L])|0)-57088|0,D=(100*O|0)+(208*S|0)-34816|0,M=(516*O|0)-70912|0,C=298*_[T++]|0,u[x]=C+B>>8,u[x+1]=C-D>>8,u[x+2]=C+M>>8,x+=4}}}()},877:t=>{!function(){"use strict";t.exports=function depower(t){for(var i=0,u=t>>1;0!=u;)u>>=1,i++;if(t!==1<<i)throw"chroma plane dimensions must be power of 2 ratio to luma plane dimensions; got "+t;return i}}()},731:(t,i,u)=>{!function(){"use strict";var i=u(487),d=u(926),c=u(895),h={FrameSink:i,SoftwareFrameSink:d,WebGLFrameSink:c,attach:function(t,i){return("webGL"in(i=i||{})?i.webGL:c.isAvailable())?new c(t,i):new d(t,i)}};t.exports=h}()}},i={};function __webpack_require__(u){var d=i[u];if(void 0!==d)return d.exports;var c=i[u]={exports:{}};return t[u](c,c.exports,__webpack_require__),c.exports}var u={};return(()=>{"use strict";var t=u,i=__webpack_require__(318);Object.defineProperty(t,"__esModule",{value:!0}),Object.defineProperty(t,"OGVCompat",{enumerable:!0,get:function get(){return c.default}}),Object.defineProperty(t,"OGVLoader",{enumerable:!0,get:function get(){return h.default}}),Object.defineProperty(t,"OGVMediaError",{enumerable:!0,get:function get(){return l.default}}),Object.defineProperty(t,"OGVMediaType",{enumerable:!0,get:function get(){return _.default}}),Object.defineProperty(t,"OGVPlayer",{enumerable:!0,get:function get(){return p.default}}),Object.defineProperty(t,"OGVTimeRanges",{enumerable:!0,get:function get(){return m.default}}),t.OGVVersion=void 0;var d=i(__webpack_require__(8)),c=i(__webpack_require__(523)),h=i(__webpack_require__(964)),l=i(__webpack_require__(759)),_=i(__webpack_require__(278)),p=i(__webpack_require__(869)),m=i(__webpack_require__(168)),g="1.8.4-20210702161914-bd3a07f";t.OGVVersion=g,"object"===("undefined"==typeof window?"undefined":(0,d.default)(window))&&(window.OGVCompat=c.default,window.OGVLoader=h.default,window.OGVMediaError=l.default,window.OGVMediaType=_.default,window.OGVTimeRanges=m.default,window.OGVPlayer=p.default,window.OGVVersion=g)})(),u})()}));