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hls-test/ogvjs-1.8.4/ogv-es2017.js
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2021-10-22 11:27:02 -07:00

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/*! For license information please see ogv-es2017.js.LICENSE.txt */
!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.ogvjs=t():e.ogvjs=t()}(globalThis,(function(){return(()=>{var e={318:e=>{e.exports=function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}},e.exports.default=e.exports,e.exports.__esModule=!0},848:e=>{window,e.exports=function(e){var t={};function r(i){if(t[i])return t[i].exports;var s=t[i]={i,l:!1,exports:{}};return e[i].call(s.exports,s,s.exports,r),s.l=!0,s.exports}return r.m=e,r.c=t,r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var 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d.default.wasmSupported()}scriptForClass(e){return u[e]}urlForClass(e){var t=this.scriptForClass(e);if(t)return this.urlForScript(t);throw new Error("asked for URL for unknown class "+e)}urlForScript(e){if(e){var t=this.base;return void 0===t?t="":t+="/",t+e+"?version="+encodeURIComponent(h)}throw new Error("asked for URL for unknown script "+e)}loadClass(e,t,i){i=i||{};var s=this.getGlobal(),d=this.urlForClass(e),classWrapper=t=>((t=t||{}).locateFile=e=>"data:"===e.slice(0,5)?e:this.urlForScript(e),t.mainScriptUrlOrBlob=this.scriptForClass(e)+"?version="+encodeURIComponent(h),s[e](t));"function"==typeof s[e]?t(classWrapper):this.loadScript(d,(()=>{t(classWrapper)}))}};t.default=c},964:(e,t,i)=>{"use strict";var s=i(318);Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var d=s(i(408)),h=s(i(319)),u=s(i(445)),c={audio:{proxy:d.default,worker:"ogv-worker-audio.js"},video:{proxy:h.default,worker:"ogv-worker-video.js"}},l={OGVDecoderAudioOpusW:"audio",OGVDecoderAudioVorbisW:"audio",OGVDecoderVideoTheoraW:"video",OGVDecoderVideoVP8W:"video",OGVDecoderVideoVP9W:"video",OGVDecoderVideoVP9SIMDW:"video",OGVDecoderVideoAV1W:"video",OGVDecoderVideoAV1SIMDW:"video"};class OGVLoaderWeb extends u.default{constructor(){super(),this.scriptStatus={},this.scriptCallbacks={}}getGlobal(){return window}defaultBase(){for(var e,t,i=document.querySelectorAll("script"),s=/^(?:|(.*)\/)ogv(?:-support|-es2017)?\.js(?:\?|#|$)/,d=0;d<i.length;d++)if((e=i[d].getAttribute("src"))&&(t=e.match(s)))return t[1]}loadClass(e,t,i){(i=i||{}).worker?this.workerProxy(e,t):super.loadClass(e,t,i)}loadScript(e,t){if("done"==this.scriptStatus[e])t();else if("loading"==this.scriptStatus[e])this.scriptCallbacks[e].push(t);else{this.scriptStatus[e]="loading",this.scriptCallbacks[e]=[t];var 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e.video?e.video:document.createElement("video"),this._video.playsInline=!0,this._video.srcObject=this._mediaStream):this._video=null,this._videoTrack=null,this._audioTrack=null,this._canvasStream=null,this.className=this._instanceId,(0,_.default)(this,b),this._view=this._video||this._canvas,this._view.style.position="absolute",this._view.style.top="0",this._view.style.left="0",this._view.style.width="100%",this._view.style.height="100%",this._view.style.objectFit="contain",this.appendChild(this._view),this._startTime=d(),this._codec=null,this._audioInfo=null,this._videoInfo=null,this._actionQueue=[],this._audioFeeder=null,this._muted=!1,this._initialPlaybackPosition=0,this._initialPlaybackOffset=0,this._prebufferingAudio=!1,this._initialSeekTime=0,this._currentSrc="",this._streamEnded=!1,this._mediaError=null,this._dataEnded=!1,this._byteLength=0,this._duration=null,this._lastSeenTimestamp=null,this._nextProcessingTimer,this._nextFrameTimer=null,this._loading=!1,this._started=!1,this._paused=!0,this._ended=!1,this._startedPlaybackInDocument=!1,this._stream=void 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t=Number(e)||1;this._audioFeeder?this._audioFeeder.tempo=t:this._paused||(this._initialPlaybackOffset=this._getPlaybackTime(),this._initialPlaybackPosition=t*d()/1e3),this._playbackRate=t,this._fireEventAsync("ratechange")}},played:{get:function getPlayed(){return new g.default([[0,this.currentTime]])}},volume:{get:function getVolume(){return this._volume},set:function setVolume(e){this._volume=+e,this._audioFeeder&&(this._audioFeeder.volume=this._volume),this._fireEventAsync("volumechange")}}}),this.onframecallback=null,this.onloadstate=null,this.onprogress=null,this.onsuspend=null,this.onabort=null,this.onemptied=null,this.onstalled=null,this.onloadedmetadata=null,this.onloadeddata=null,this.oncanplay=null,this.oncanplaythrough=null,this.onplaying=null,this.onwaiting=null,this.onseeking=null,this.onseeked=null,this.onended=null,this.ondurationchange=null,this.ontimeupdate=null,this.onplay=null,this.onpause=null,this.onratechange=null,this.onresize=null,this.onvolumechange=null,this.onaudiofeedercreated=null}_time(e){var t=d();e();var i=d()-t;return this._lastFrameDecodeTime+=i,i}_log(e){var t=this._options;if(t.debug){var i=d()-this._startTime;t.debugFilter&&!e.match(t.debugFilter)||console.log("["+Math.round(10*i)/10+"ms] "+e)}}_fireEvent(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEvent "+e);var i,s="function"==typeof Event;for(var d in s?i=new CustomEvent(e):(i=document.createEvent("Event")).initEvent(e,!1,!1),t)t.hasOwnProperty(d)&&(i[d]=t[d]);var h=this.dispatchEvent(i);!s&&"resize"===e&&this.onresize&&h&&this.onresize.call(this,i)}_fireEventAsync(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this._log("fireEventAsync "+e),y((()=>{this._fireEvent(e,t)}))}static initSharedAudioContext(){c.default.initSharedAudioContext()}_initAudioFeeder(){var e=this._options,t={bufferSize:8192};if(e.audioContext&&(t.audioContext=e.audioContext),e.audioDestination&&(t.output=e.audioDestination),e.audioBackendFactory&&(t.backendFactory=e.audioBackendFactory),this._video&&!t.output){t.audioContext||(t.audioContext=c.default.initSharedAudioContext());var i=t.audioContext.createMediaStreamDestination();this._audioTrack=i.stream.getAudioTracks()[0],this._mediaStream.addTrack(this._audioTrack),navigator.userAgent.match(/WebKit/)&&(this._video.src=this._mediaStream),this._video.play(),t.output=i}var s=this._audioFeeder=new c.default(t);s.init(this._audioInfo.channels,this._audioInfo.rate),this.onaudiofeedercreated&&this.onaudiofeedercreated(this._audioFeeder),s.bufferThreshold=1,s.volume=this.volume,s.muted=this.muted,s.tempo=this.playbackRate,s.onbufferlow=()=>{this._log("onbufferlow"),this._stream&&(this._stream.buffering||this._stream.seeking)||this._pendingAudio||this._pingProcessing()},s.onstarved=()=>{this._dataEnded?this._log("onstarved: appear to have reached end of audio"):(this._log("onstarved: halting audio due to starvation"),this._stopPlayback(),this._prebufferingAudio=!0),this._isProcessing()||this._pingProcessing(0)}}_startPlayback(e){if(this._audioFeeder){this._audioFeeder.start();var t=this._audioFeeder.getPlaybackState();this._initialPlaybackPosition=t.playbackPosition}else this._initialPlaybackPosition=this._playbackRate*d()/1e3;void 0!==e&&(this._initialPlaybackOffset=e),this._prebufferingAudio=!1,this._log("continuing at "+this._initialPlaybackPosition+", "+this._initialPlaybackOffset)}_stopPlayback(){this._initialPlaybackOffset=this._getPlaybackTime(),this._log("pausing at "+this._initialPlaybackOffset),this._audioFeeder&&this._audioFeeder.stop()}_getPlaybackTime(e){return this._prebufferingAudio||this._paused?this._initialPlaybackOffset:(this._audioFeeder?(e=e||this._audioFeeder.getPlaybackState()).playbackPosition:this._playbackRate*d()/1e3)-this._initialPlaybackPosition+this._initialPlaybackOffset}_stopVideo(){this._log("STOPPING"),this._state=T,this._seekState=O,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}_doFrameComplete(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._startedPlaybackInDocument&&!document.body.contains(this)&&y((()=>{this.stop()}));var t=d(),i=t-this._lastFrameTimestamp,s=this._actualPerFrameTime-this._targetPerFrameTime;this._totalJitter+=Math.abs(s),this._playTime+=i;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:e.dropped,dropped:e.dropped};function n(e){return Math.round(10*e)/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=t,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 "+e.frameEndTimestamp+": clock time "+n(i)+" (jitter "+n(s)+") 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||t-this._lastTimeUpdate>=this._timeUpdateInterval)&&(this._lastTimeUpdate=t,this._fireEventAsync("timeupdate")),this._codec&&e.yCbCrBuffer&&this._codec.recycleFrame(e.yCbCrBuffer)}_seekStream(e){this._stream.seeking&&this._stream.abort(),this._stream.buffering&&this._stream.abort(),this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._stream.seek(e).then((()=>{this._readBytesAndWait()})).catch((e=>{this._onStreamError(e)}))}_onStreamError(e){"AbortError"===e.name?this._log("i/o promise canceled; ignoring"):(this._log("i/o error: "+e),this._mediaError=new p.default(p.default.MEDIA_ERR_NETWORK,String(e)),this._state=R,this._stopPlayback())}_seek(e,t){if(this._log("requested seek to "+e+", mode "+t),this.readyState==this.HAVE_NOTHING)return this._log("not yet loaded; saving seek position for later"),void(this._initialSeekTime=e);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 prepForSeek=i=>{this._stream&&this._stream.buffering&&this._stream.abort(),this._stream&&this._stream.seeking&&this._stream.abort(),this._actionQueue.splice(0,this._actionQueue.length),this._stopPlayback(),this._prebufferingAudio=!1,this._audioFeeder&&this._audioFeeder.flush(),this._state=A,this._seekTargetTime=e,this._seekMode=t,this._codec?this._codec.flush(i):i()};prepForSeek((()=>{this._isProcessing()||this._pingProcessing(0)})),this._actionQueue.push((()=>{prepForSeek((()=>{this._doSeek(e)}))}))}_doSeek(e){this._streamEnded=!1,this._dataEnded=!1,this._ended=!1,this._state=A,this._seekTargetTime=e,this._lastSeekPosition=-1,this._decodedFrames=[],this._pendingFrames=[],this._pendingFrame=0,this._pendingAudio=0,this._didSeek=!1,this._codec.seekToKeypoint(e,(t=>{if(t)return this._seekState=C,this._fireEventAsync("seeking"),this._didSeek?void 0:void this._pingProcessing();this._codec.getKeypointOffset(e,(e=>{e>0?(this._seekState=C,this._seekStream(e)):(this._seekState=F,this._startBisection(this._seekTargetTime)),this._fireEventAsync("seeking")}))}))}_startBisection(e){var t=Math.max(0,this._stream.length-65536);this._bisectTargetTime=e,this._seekBisector=new f.default({start:0,end:t,process:(e,t,i)=>i!=this._lastSeekPosition&&(this._lastSeekPosition=i,this._codec.flush((()=>{this._seekStream(i)})),!0)}),this._seekBisector.start()}_continueSeekedPlayback(){this._seekState=O,this._state=E,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 finishedSeeking=()=>{this._lastTimeUpdate=this._seekTargetTime,this._fireEventAsync("timeupdate"),this._fireEventAsync("seeked"),this._isProcessing()||this._pingProcessing()};if(this._codec.hasVideo&&this._decodedFrames.length){var e=this._decodedFrames.shift();this._drawFrame(e.yCbCrBuffer),finishedSeeking()}else{if(this._codec.hasVideo&&this._codec.frameReady)return this._codec.decodeFrame((e=>{e&&this._drawFrame(this._codec.frameBuffer),finishedSeeking()})),void this._codec.sync();finishedSeeking()}}_drawFrame(e){this._thumbnail&&(this.removeChild(this._thumbnail),this._thumbnail=null),this._frameSink.drawFrame(e),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())}_doProcessLinearSeeking(){var e;if(e=this._codec.hasVideo?this._targetPerFrameTime/1e3:1/256,this._codec.hasVideo){if(this._pendingFrame)return;if(!this._codec.frameReady)return void this._codec.process((e=>{e?this._pingProcessing():this._streamEnded?(this._log("stream ended during linear seeking on video"),this._dataEnded=!0,this._continueSeekedPlayback()):this._readBytesAndWait()}));if(this._seekMode===D&&this._codec.keyframeTimestamp==this._codec.frameTimestamp)return void this._continueSeekedPlayback();if(this._codec.frameTimestamp<=this._seekTargetTime){var t=this._codec.frameTimestamp;return this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:t}),this._decodedFrames.splice(0,this._decodedFrames.length),this._codec.decodeFrame((e=>{this._pendingFrame--,this._pendingFrames.shift(),this._decodedFrames.push({yCbCrBuffer:this._codec.frameBuffer,videoCpuTime:this._codec.videoCpuTime,frameEndTimestamp:t}),this._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+e<this._seekTargetTime?void this._codec.decodeAudio((()=>{this._pingProcessing()})):void this._continueSeekedPlayback():void this._codec.process((e=>{e?this._pingProcessing():this._streamEnded?(this._log("stream ended during linear seeking on audio"),this._dataEnded=!0,this._continueSeekedPlayback()):this._readBytesAndWait()}))}}_doProcessBisectionSeek(){var e,t;if(this._codec.hasVideo)t=this._codec.frameTimestamp,e=this._targetPerFrameTime/1e3;else{if(!this._codec.hasAudio)throw new Error("Invalid seek state; no audio or video track available");t=this._codec.audioTimestamp,e=1/256}t<0?this._codec.process((e=>{if(e)this._pingProcessing();else if(this._streamEnded){if(this._log("stream ended during bisection seek"),!this._seekBisector.right())throw this._log("failed going back"),new Error("not sure what to do")}else this._readBytesAndWait()})):t-e/2>this._bisectTargetTime?this._seekBisector.left()||(this._log("close enough (left)"),this._seekTargetTime=t,this._continueSeekedPlayback()):t+e/2<this._bisectTargetTime?this._seekBisector.right()||(this._log("close enough (right)"),this._seekState=C,this._pingProcessing()):this._seekState==F&&this._codec.hasVideo&&this._codec.keyframeTimestamp<this._codec.frameTimestamp?(this._log("finding the keypoint now"),this._seekState=S,this._startBisection(this._codec.keyframeTimestamp)):(this._log("straight seeking now"),this._seekState=C,this._pingProcessing())}_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 e={};void 0!==this._options.webGL&&(e.webGL=this._options.webGL),this._options.forceWebGL&&(e.webGL="required"),this._frameSink=h.default.attach(this._canvas,e)}_doProcessing(){if(this._didSeek&&(this._didSeek=!1),this._nextProcessingTimer=null,this._isProcessing(),this._depth>0)throw new Error("REENTRANCY FAIL: doProcessing recursing unexpectedly");var e=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");++e>500&&(this._log("stuck in processing loop; breaking with timer"),this._needProcessing=0,this._pingProcessing(0))}while(this._needProcessing)}_doProcessingLoop(){if(this._actionQueue.length)this._actionQueue.shift()();else if(this._state==T)this._doProcessInitial();else if(this._state==k)this._doProcessSeekingEnd();else if(this._state==P)this._doProcessLoaded();else if(this._state==w)this._doProcessPreload();else if(this._state==E)this._doProcessReady();else if(this._state==A)this._doProcessSeeking();else if(this._state==x)this._doProcessPlay();else{if(this._state!=R)throw new Error("Unexpected OGVPlayer state "+this._state);this._doProcessError()}}_doProcessInitial(){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=k,this._lastSeenTimestamp=-1,this._codec.flush((()=>{this._seekStream(Math.max(0,this._stream.length-131072))}))):(this._state=P,this._pingProcessing())}else this._codec.process((e=>{if(e)this._pingProcessing();else{if(this._streamEnded)throw new Error("end of file before headers found");this._log("reading more cause we are out of data"),this._readBytesAndWait()}}))}_doProcessSeekingEnd(){this._codec.frameReady?(this._log("saw frame with "+this._codec.frameTimestamp),this._lastSeenTimestamp=Math.max(this._lastSeenTimestamp,this._codec.frameTimestamp),this._codec.discardFrame((()=>{this._pingProcessing()}))):this._codec.audioReady?(this._log("saw audio with "+this._codec.audioTimestamp),this._lastSeenTimestamp=Math.max(this._lastSeenTimestamp,this._codec.audioTimestamp),this._codec.discardAudio((()=>{this._pingProcessing()}))):this._codec.process((e=>{e?this._pingProcessing():this._stream.eof?(this._log("seek-duration: we are at the end: "+this._lastSeenTimestamp),this._lastSeenTimestamp>0&&(this._duration=this._lastSeenTimestamp),this._state=P,this._codec.flush((()=>{this._streamEnded=!1,this._dataEnded=!1,this._seekStream(0)}))):this._readBytesAndWait()}))}_doProcessLoaded(){this._state=w,this._fireEventAsync("loadedmetadata"),this._fireEventAsync("durationchange"),this._codec.hasVideo&&this._fireEventAsync("resize"),this._pingProcessing(0)}_doProcessPreload(){!this._codec.frameReady&&this._codec.hasVideo||!this._codec.audioReady&&this._codec.hasAudio?this._codec.process((e=>{e?this._pingProcessing():this._streamEnded?this._ended=!0:this._readBytesAndWait()})):(this._state=E,this._fireEventAsync("loadeddata"),this._pingProcessing())}_doProcessReady(){if(this._log("initial seek to "+this._initialSeekTime),this._initialSeekTime>0){var e=this._initialSeekTime;this._initialSeekTime=0,this._log("initial seek to "+e),this._doSeek(e)}else if(this._paused)this._log("paused while in ready");else{var finishStartPlaying=()=>{this._log("finishStartPlaying"),this._state=x,this._lastFrameTimestamp=d(),this._codec.hasAudio&&this._audioFeeder?this._prebufferingAudio=!0:this._startPlayback(),this._pingProcessing(0),this._fireEventAsync("play"),this._fireEventAsync("playing")};!this._codec.hasAudio||this._audioFeeder||this._muted?finishStartPlaying():(this._initAudioFeeder(),this._audioFeeder.waitUntilReady(finishStartPlaying))}}_doProcessSeeking(){if(this._seekState==O)throw new Error("seeking in invalid state (not seeking?)");if(this._seekState==F)this._doProcessBisectionSeek();else if(this._seekState==S)this._doProcessBisectionSeek();else{if(this._seekState!=C)throw new Error("Invalid seek state "+this._seekState);this._doProcessLinearSeeking()}}_doProcessPlay(){var e=this._codec;if(this._paused)this._log("paused during playback; stopping loop");else if((!e.hasAudio||e.audioReady||this._pendingAudio||this._dataEnded)&&(!e.hasVideo||e.frameReady||this._pendingFrame||this._decodedFrames.length||this._dataEnded)){var t,i,s,d=null,h=0,u=!1,c=0;if(e.hasAudio&&this._audioFeeder?(d=this._audioFeeder.getPlaybackState(),h=this._getPlaybackTime(d),u=this._dataEnded&&0==this._audioFeeder.durationBuffered,this._prebufferingAudio&&(this._audioFeeder.durationBuffered>=2*this._audioFeeder.bufferThreshold&&(!e.hasVideo||this._decodedFrames.length>=this._framePipelineDepth)||this._dataEnded)&&(this._log("prebuffering audio done; buffered to "+this._audioFeeder.durationBuffered),this._startPlayback(h),this._prebufferingAudio=!1),d.dropped!=this._droppedAudio&&this._log("dropped "+(d.dropped-this._droppedAudio)),d.delayed!=this._delayedAudio&&this._log("delayed "+(d.delayed-this._delayedAudio)),this._droppedAudio=d.dropped,this._delayedAudio=d.delayed,(t=this._audioFeeder.durationBuffered<=2*this._audioFeeder.bufferThreshold)&&(this._codec.audioReady?this._pendingAudio>=this._audioPipelineDepth&&(this._log("audio decode disabled: "+this._pendingAudio+" packets in flight"),t=!1):t=!1)):(h=this._getPlaybackTime(),t=this._codec.audioReady&&this._audioEndTimestamp<h),this._codec.hasVideo){i=this._decodedFrames.length>0,s=this._pendingFrame+this._decodedFrames.length<this._framePipelineDepth+this._frameParallelism&&this._codec.frameReady,i&&(c=1e3*(this._decodedFrames[0].frameEndTimestamp-h),this._actualPerFrameTime=this._targetPerFrameTime-c);var l=this._targetPerFrameTime;if(this._prebufferingAudio)s&&this._log("decoding a frame during prebuffering"),i=!1;else if(i&&this._dataEnded&&u)this._log("audio timeline ended? ready to draw frame");else if(i&&-c>=l){for(var f=-1,_=0;_<this._decodedFrames.length-1;_++)this._decodedFrames[_].frameEndTimestamp<h&&(f=_-1);if(f>=0)for(;f-- >=0;){this._lateFrames++;var p=this._decodedFrames.shift();this._log("skipping already-decoded late frame at "+p.frameEndTimestamp),c=1e3*(p.frameEndTimestamp-h),this._frameEndTimestamp=p.frameEndTimestamp,this._actualPerFrameTime=this._targetPerFrameTime-c,this._framesProcessed++,p.dropped=!0,this._doFrameComplete(p)}var m=this._codec.nextKeyframeTimestamp,g=m-this._targetPerFrameTime/1e3*(this._framePipelineDepth+this._pendingFrame);if(m>=0&&m!=this._codec.frameTimestamp&&h>=g){this._log("skipping late frame at "+this._decodedFrames[0].frameEndTimestamp+" vs "+h+", expect to see keyframe at "+m);for(var v=0;v<this._decodedFrames.length;v++){var y=this._decodedFrames[v];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=y.frameEndTimestamp,c=1e3*(y.frameEndTimestamp-h),this._actualPerFrameTime=this._targetPerFrameTime-c,y.dropped=!0,this._doFrameComplete(y)}this._decodedFrames=[];for(var b=0;b<this._pendingFrames.length;b++){var T=this._pendingFrames[b];this._lateFrames++,this._framesProcessed++,this._frameEndTimestamp=T.frameEndTimestamp,c=1e3*(T.frameEndTimestamp-h),this._actualPerFrameTime=this._targetPerFrameTime-c,T.dropped=!0,this._doFrameComplete(T)}for(this._pendingFrames=[],this._pendingFrame=0;this._codec.frameReady&&this._codec.frameTimestamp<m;){var k={frameEndTimestamp:this._codec.frameTimestamp,dropped:!0};c=1e3*(k.frameEndTimestamp-h),this._actualPerFrameTime=this._targetPerFrameTime-c,this._lateFrames++,this._codec.discardFrame((()=>{})),this._framesProcessed++,this._doFrameComplete(k)}return void(this._isProcessing()||this._pingProcessing())}}else i&&c<=4||(i=!1)}if(s){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 P=this._frameEndTimestamp=this._codec.frameTimestamp;this._pendingFrame++,this._pendingFrames.push({frameEndTimestamp:P});var w=this._pendingFrames,E=!1,x=this._time((()=>{this._codec.decodeFrame((e=>{w===this._pendingFrames?(this._log("play loop callback: decoded frame"),this._pendingFrame--,this._pendingFrames.shift(),e?this._decodedFrames.push({yCbCrBuffer:this._codec.frameBuffer,videoCpuTime:this._codec.videoCpuTime,frameEndTimestamp:P}):this._log("Bad video packet or something"),this._codec.process((()=>{this._isProcessing()||this._pingProcessing(E?void 0:0)}))):this._log("play loop callback after flush, discarding")}))}));this._pendingFrame&&(E=!0,this._proxyTime+=x,this._pingProcessing(),this._dataEnded&&this._codec.sync())}else if(t){this._log("play loop: ready for audio; depth: "+this._pendingAudio),this._pendingAudio++;var A=this._codec.audioTimestamp,R=this._time((()=>{this._codec.decodeAudio((e=>{if(this._pendingAudio--,this._log("play loop callback: decoded audio"),this._audioEndTimestamp=A,e){var t=this._codec.audioBuffer;if(t&&(this._bufferTime+=this._time((()=>{this._audioFeeder&&this._audioFeeder.bufferData(t)})),!this._codec.hasVideo)){this._framesProcessed++;var i={frameEndTimestamp:this._audioEndTimestamp};this._doFrameComplete(i)}}this._isProcessing()||this._pingProcessing()}))}));this._pendingAudio&&(this._proxyTime+=R,this._codec.audioReady?this._pingProcessing():this._doProcessPlayDemux())}else if(i){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 O=this._decodedFrames.shift();this._currentVideoCpuTime=O.videoCpuTime,this._drawingTime+=this._time((()=>{this._drawFrame(O.yCbCrBuffer)})),this._framesProcessed++,this._doFrameComplete(O),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 F=0;this._codec.hasAudio&&this._audioFeeder&&(F=1e3*this._audioFeeder.durationBuffered),F>0?(this._log("play loop: ending pending "+F+" ms"),this._pingProcessing(Math.max(0,F))):(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&&(e.hasVideo&&!e.frameReady||e.hasAudio&&!e.audioReady)?(this._log("play loop: prebuffering demuxing"),this._doProcessPlayDemux()):this._log("play loop: waiting on async/timers");else{var S=c;this._log("play loop: setting a timer for drawing "+S),this._nextFrameTimer=setTimeout((()=>{this._nextFrameTimer=null,this._pingProcessing()}),S)}}else this._log("play loop: demuxing"),this._doProcessPlayDemux()}_doProcessPlayDemux(){var e=this._codec.frameReady,t=this._codec.audioReady;this._codec.process((i=>{this._codec.frameReady&&!e||this._codec.audioReady&&!t?(this._log("demuxer has packets"),this._pingProcessing()):i?(this._log("demuxer processing to find more packets"),this._pingProcessing()):(this._log("demuxer ran out of data"),this._streamEnded?(this._log("demuxer reached end of data stream"),this._dataEnded=!0,this._pingProcessing()):(this._log("demuxer loading more data"),this._readBytesAndWait()))}))}_doProcessError(){}_isProcessing(){return this._stream&&(this._stream.buffering||this._stream.seeking)||this._codec&&this._codec.processing}_readBytesAndWait(){if(this._stream.buffering||this._stream.seeking)this._log("readBytesAndWait during i/o");else{this._stream.read(32768).then((e=>{this._log("got input "+[e.byteLength]),e.byteLength&&this._actionQueue.push((()=>{this._codec.receiveInput(e,(()=>{this._pingProcessing()}))})),this._stream.eof&&(this._log("stream is at end!"),this._streamEnded=!0),this._isProcessing()||this._pingProcessing()})).catch((e=>{this._onStreamError(e)}))}}_pingProcessing(){var e=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);e>-1/256?this._nextProcessingTimer=setTimeout((()=>{this._pingProcessing()}),e):this._depth?this._needProcessing=!0:this._doProcessing()}}_startProcessingVideo(e){if(!this._started&&!this._codec){this._framesProcessed=0,this._bufferTime=0,this._drawingTime=0,this._proxyTime=0,this._started=!0,this._ended=!1;var t={base:this._options.base,worker:this._enableWorker,threading:this._enableThreading,simd:this._enableSIMD};this._detectedType&&(t.type=this._detectedType),this._codec=new v.default(t),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=e=>{this._didSeek=!0,this._stream&&this._seekStream(e)},this._codec.init((()=>{this._codec.receiveInput(e,(()=>{this._readBytesAndWait()}))}))}}_loadCodec(e){this._stream.read(1024).then((t=>{var i=new Uint8Array(t);i.length>4&&i[0]=="O".charCodeAt(0)&&i[1]=="g".charCodeAt(0)&&i[2]=="g".charCodeAt(0)&&i[3]=="S".charCodeAt(0)?this._detectedType="video/ogg":i.length>4&&26==i[0]&&69==i[1]&&223==i[2]&&163==i[3]?this._detectedType="video/webm":this._detectedType="video/ogg",e(t)}))}_prepForLoad(e){this._stopVideo();var doLoad=()=>{this._options.stream?this._stream=this._options.stream:this._stream=new u.default({url:this.src,cacheSize:16777216,progressive:!1}),this._stream.load().then((()=>{this._loading=!1,this._currentSrc=this.src,this._byteLength=this._stream.seekable?this._stream.length:0;var e=this._stream.headers["x-content-duration"];"string"==typeof e&&(this._duration=parseFloat(e)),this._loadCodec((e=>{this._startProcessingVideo(e)}))})).catch((e=>{this._onStreamError(e)}))};this._currentSrc="",this._loading=!0,this._actionQueue.push((()=>{e&&"none"===this.preload?this._loading=!1:doLoad()})),this._pingProcessing(0)}load(){this._prepForLoad()}canPlayType(e){var t=new m.default(e);function checkTypes(e){if(t.codecs){var i=0,s=0;return t.codecs.forEach((t=>{e.indexOf(t)>=0?i++:s++})),0===i||s>0?"":"probably"}return"maybe"}return"ogg"!==t.minor||"audio"!==t.major&&"video"!==t.major&&"application"!==t.major?"webm"!==t.minor||"audio"!==t.major&&"video"!==t.major?"":checkTypes(["vorbis","opus","vp8","vp9"]):checkTypes(["vorbis","opus","theora"])}play(){this._muted||this._options.audioContext||OGVPlayer.initSharedAudioContext(),this._paused&&(this._startedPlaybackInDocument=document.body.contains(this),this._paused=!1,this._state==A||(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=E,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()}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}}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}getVideoFrameSink(){return this._frameSink}getCanvas(){return this._canvas}getVideo(){return this._video}pause(){this._paused||(this._nextProcessingTimer&&(clearTimeout(this._nextProcessingTimer),this._nextProcessingTimer=null),this._stopPlayback(),this._prebufferingAudio=!1,this._paused=!0,this._fireEvent("pause"))}stop(){this._stopVideo(),this._paused=!0}fastSeek(e){this._seek(+e,D)}}if((0,_.default)(OGVPlayer,b),OGVPlayer.instanceCount=0,OGVPlayer.styleManager=new function StyleManager(){var e=document.createElement("style");e.type="text/css",e.textContent="ogvjs { display: inline-block; position: relative; -webkit-user-select: none; -webkit-tap-highlight-color: rgba(0,0,0,0); ",document.head.appendChild(e);var t=e.sheet;this.appendRule=function(e,i){var s=[];for(var d in i)i.hasOwnProperty(d)&&s.push(d+":"+i[d]);var h=e+"{"+s.join(";")+"}";t.insertRule(h,t.cssRules.length-1)}},OGVPlayer.supportsObjectFit="string"==typeof document.createElement("canvas").style.objectFit,OGVPlayer.supportsObjectFit&&navigator.userAgent.match(/iPhone|iPad|iPod Touch/)&&(OGVPlayer.supportsObjectFit=!1),OGVPlayer.supportsObjectFit&&navigator.userAgent.match(/Edge/)&&(OGVPlayer.supportsObjectFit=!1),OGVPlayer.supportsObjectFit)OGVPlayer.updatePositionOnResize=function(){};else{OGVPlayer.updatePositionOnResize=function(){function fixup(e,t,i){var s=e.offsetParent||e.parentNode,d=t/i;if(d>s.offsetWidth/s.offsetHeight){var h=s.offsetWidth/d,u=(s.offsetHeight-h)/2;e.style.width="100%",e.style.height=h+"px",e.style.marginLeft=0,e.style.marginRight=0,e.style.marginTop=u+"px",e.style.marginBottom=u+"px"}else{var c=s.offsetHeight*d,l=(s.offsetWidth-c)/2;e.style.width=c+"px",e.style.height="100%",e.style.marginLeft=l+"px",e.style.marginRight=l+"px",e.style.marginTop=0,e.style.marginBottom=0}}function queryOver(e,t){var i=document.querySelectorAll(e);Array.prototype.slice.call(i).forEach(t)}queryOver("ogvjs > canvas",(function(e){fixup(e,e.width,e.height)})),queryOver("ogvjs > img",(function(e){fixup(e,e.naturalWidth,e.naturalHeight)}))};var M=function fullResizeVideo(){y(OGVPlayer.updatePositionOnResize)};window.addEventListener("resize",OGVPlayer.updatePositionOnResize),window.addEventListener("orientationchange",OGVPlayer.updatePositionOnResize),document.addEventListener("fullscreenchange",M),document.addEventListener("mozfullscreenchange",M),document.addEventListener("webkitfullscreenchange",M),document.addEventListener("MSFullscreenChange",M)}var V=OGVPlayer;t.default=V},580:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=function OGVProxyClass(e){return class{constructor(t,i,s){for(var d in s=s||{},this.worker=t,this.transferables=function(){var e=new ArrayBuffer(1024),i=new Uint8Array(e);try{return t.postMessage({action:"transferTest",bytes:i},[e]),!e.byteLength}catch(e){return!1}}(),e)e.hasOwnProperty(d)&&(this[d]=e[d]);this.processingQueue=0,Object.defineProperty(this,"processing",{get:function get(){return this.processingQueue>0}}),this.messageCount=0,this.pendingCallbacks={},this.worker.addEventListener("message",(e=>{this.handleMessage(e)})),this.proxy("construct",[i,s],(()=>{}))}proxy(e,t,i){var s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:[];if(!this.worker)throw'Tried to call "'+e+'" method on closed proxy object';var d="callback-"+ ++this.messageCount+"-"+e;i&&(this.pendingCallbacks[d]=i);var h={action:e,callbackId:d,args:t||[]};this.processingQueue++,this.transferables?this.worker.postMessage(h,s):this.worker.postMessage(h)}terminate(){this.worker&&(this.worker.terminate(),this.worker=null,this.processingQueue=0,this.pendingCallbacks={})}handleMessage(e){if(this.processingQueue--,"callback"===e.data.action){var t=e.data,i=t.callbackId,s=t.args,d=this.pendingCallbacks[i];if(t.props)for(var h in t.props)t.props.hasOwnProperty(h)&&(this[h]=t.props[h]);d&&(delete this.pendingCallbacks[i],d.apply(this,s))}}}};t.default=i},168:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=class OGVTimeRanges{constructor(e){this._ranges=e,this.length=e.length}start(e){if(e<0||e>this.length||e!==(0|e))throw new RangeError("Invalid index");return this._ranges[e][0]}end(e){if(e<0||e>this.length||e!==(0|e))throw new RangeError("Invalid index");return this._ranges[e][1]}};t.default=i},625:(e,t,i)=>{"use strict";var s=i(318);Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var d=s(i(964));var h=class OGVWrapperCodec{constructor(e){return this.options=e||{},this.demuxer=null,this.videoDecoder=null,this.audioDecoder=null,this.flushIter=0,this.loadedMetadata=!1,this.processing=!1,Object.defineProperties(this,{duration:{get:function get(){return this.loadedMetadata?this.demuxer.duration:NaN}},hasAudio:{get:function get(){return this.loadedMetadata&&!!this.audioDecoder}},audioReady:{get:function get(){return this.hasAudio&&this.demuxer.audioReady}},audioTimestamp:{get:function get(){return this.demuxer.audioTimestamp}},audioFormat:{get:function get(){return this.hasAudio?this.audioDecoder.audioFormat:null}},audioBuffer:{get:function get(){return this.hasAudio?this.audioDecoder.audioBuffer:null}},hasVideo:{get:function get(){return this.loadedMetadata&&!!this.videoDecoder}},frameReady:{get:function get(){return this.hasVideo&&this.demuxer.frameReady}},frameTimestamp:{get:function get(){return this.demuxer.frameTimestamp}},keyframeTimestamp:{get:function get(){return this.demuxer.keyframeTimestamp}},nextKeyframeTimestamp:{get:function get(){return this.demuxer.nextKeyframeTimestamp}},videoFormat:{get:function get(){return this.hasVideo?this.videoDecoder.videoFormat:null}},frameBuffer:{get:function get(){return this.hasVideo?this.videoDecoder.frameBuffer:null}},seekable:{get:function get(){return this.demuxer.seekable}},demuxerCpuTime:{get:function get(){return this.demuxer?this.demuxer.cpuTime:0}},audioCpuTime:{get:function get(){return this.audioDecoder?this.audioDecoder.cpuTime:0}},videoCpuTime:{get:function get(){return this.videoDecoder?this.videoDecoder.cpuTime:0}}}),this.loadedDemuxerMetadata=!1,this.loadedAudioMetadata=!1,this.loadedVideoMetadata=!1,this.loadedAllMetadata=!1,this.onseek=null,this.videoBytes=0,this.audioBytes=0,this}flushSafe(e){var t=this.flushIter;return i=>{this.flushIter<=t&&e(i)}}init(e){var t;this.processing=!0,t="video/webm"===this.options.type||"audio/webm"===this.options.type?"OGVDemuxerWebMW":"OGVDemuxerOggW",d.default.loadClass(t,(t=>{t().then((t=>{this.demuxer=t,t.onseek=e=>{this.onseek&&this.onseek(e)},t.init((()=>{this.processing=!1,e()}))}))}))}close(){this.demuxer&&(this.demuxer.close(),this.demuxer=null),this.videoDecoder&&(this.videoDecoder.close(),this.videoDecoder=null),this.audioDecoder&&(this.audioDecoder.close(),this.audioDecoder=null)}receiveInput(e,t){this.demuxer.receiveInput(e,t)}process(e){if(this.processing)throw new Error("reentrancy fail on OGVWrapperCodec.process");this.processing=!0;var finish=t=>{this.processing=!1,e(t)},doProcessData=()=>{this.demuxer.process(finish)};this.demuxer.loadedMetadata&&!this.loadedDemuxerMetadata?this.loadAudioCodec((()=>{this.loadVideoCodec((()=>{this.loadedDemuxerMetadata=!0,this.loadedAudioMetadata=!this.audioDecoder,this.loadedVideoMetadata=!this.videoDecoder,this.loadedAllMetadata=this.loadedAudioMetadata&&this.loadedVideoMetadata,finish(!0)}))})):this.loadedDemuxerMetadata&&!this.loadedAudioMetadata?this.audioDecoder.loadedMetadata?(this.loadedAudioMetadata=!0,this.loadedAllMetadata=this.loadedAudioMetadata&&this.loadedVideoMetadata,finish(!0)):this.demuxer.audioReady?this.demuxer.dequeueAudioPacket(((e,t)=>{this.audioBytes+=e.byteLength,this.audioDecoder.processHeader(e,(e=>{finish(!0)}))})):doProcessData():this.loadedAudioMetadata&&!this.loadedVideoMetadata?this.videoDecoder.loadedMetadata?(this.loadedVideoMetadata=!0,this.loadedAllMetadata=this.loadedAudioMetadata&&this.loadedVideoMetadata,finish(!0)):this.demuxer.frameReady?(this.processing=!0,this.demuxer.dequeueVideoPacket((e=>{this.videoBytes+=e.byteLength,this.videoDecoder.processHeader(e,(()=>{finish(!0)}))}))):doProcessData():this.loadedVideoMetadata&&!this.loadedMetadata&&this.loadedAllMetadata?(this.loadedMetadata=!0,finish(!0)):!this.loadedMetadata||this.hasAudio&&!this.demuxer.audioReady||this.hasVideo&&!this.demuxer.frameReady?doProcessData():finish(!0)}decodeFrame(e){var t=this.flushSafe(e),i=this.frameTimestamp,s=this.keyframeTimestamp;this.demuxer.dequeueVideoPacket((e=>{this.videoBytes+=e.byteLength,this.videoDecoder.processFrame(e,(e=>{var d=this.videoDecoder.frameBuffer;d&&(d.timestamp=i,d.keyframeTimestamp=s),t(e)}))}))}decodeAudio(e){var t=this.flushSafe(e);this.demuxer.dequeueAudioPacket(((e,i)=>{this.audioBytes+=e.byteLength,this.audioDecoder.processAudio(e,(e=>{if(i){var s=this.audioDecoder.audioBuffer,d=[];for(var h of s){var u=Math.round(i*this.audioFormat.rate/1e9);u>0?d.push(h.subarray(0,h.length-Math.min(u,h.length))):d.push(h.subarray(Math.min(Math.abs(u),h.length),h.length))}this.audioDecoder.audioBuffer=d}return t(e)}))}))}discardFrame(e){this.demuxer.dequeueVideoPacket((t=>{this.videoBytes+=t.byteLength,e()}))}discardAudio(e){this.demuxer.dequeueAudioPacket(((t,i)=>{this.audioBytes+=t.byteLength,e()}))}flush(e){this.flushIter++,this.demuxer.flush(e)}sync(){this.videoDecoder&&this.videoDecoder.sync()}recycleFrame(e){this.videoDecoder&&this.videoDecoder.recycleFrame(e)}getKeypointOffset(e,t){this.demuxer.getKeypointOffset(e,t)}seekToKeypoint(e,t){this.demuxer.seekToKeypoint(e,this.flushSafe(t))}loadAudioCodec(e){if(this.demuxer.audioCodec){var t={vorbis:"OGVDecoderAudioVorbisW",opus:"OGVDecoderAudioOpusW"}[this.demuxer.audioCodec];this.processing=!0,d.default.loadClass(t,(t=>{var i={};this.demuxer.audioFormat&&(i.audioFormat=this.demuxer.audioFormat),t(i).then((t=>{this.audioDecoder=t,t.init((()=>{this.loadedAudioMetadata=t.loadedMetadata,this.processing=!1,e()}))}))}),{worker:this.options.worker})}else e()}loadVideoCodec(e){if(this.demuxer.videoCodec){var t=!!this.options.simd,i=!!this.options.threading,s={theora:"OGVDecoderVideoTheoraW",vp8:i?"OGVDecoderVideoVP8MTW":"OGVDecoderVideoVP8W",vp9:i?t?"OGVDecoderVideoVP9SIMDMTW":"OGVDecoderVideoVP9MTW":t?"OGVDecoderVideoVP9SIMDW":"OGVDecoderVideoVP9W",av1:i?t?"OGVDecoderVideoAV1SIMDMTW":"OGVDecoderVideoAV1MTW":t?"OGVDecoderVideoAV1SIMDW":"OGVDecoderVideoAV1W"}[this.demuxer.videoCodec];this.processing=!0,d.default.loadClass(s,(t=>{var s={};this.demuxer.videoFormat&&(s.videoFormat=this.demuxer.videoFormat),i&&delete window.ENVIRONMENT_IS_PTHREAD,t(s).then((t=>{this.videoDecoder=t,t.init((()=>{this.loadedVideoMetadata=t.loadedMetadata,this.processing=!1,e()}))}))}),{worker:this.options.worker&&!this.options.threading})}else e()}};t.default=h},539:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=new class WebAssemblyChecker{constructor(){this.tested=!1,this.testResult=void 0}wasmSupported(){if(!this.tested){try{"object"==typeof WebAssembly?this.testResult=function testSafariWebAssemblyBug(){var e=new Uint8Array([0,97,115,109,1,0,0,0,1,6,1,96,1,127,1,127,3,2,1,0,5,3,1,0,1,7,8,1,4,116,101,115,116,0,0,10,16,1,14,0,32,0,65,1,54,2,0,32,0,40,2,0,11]),t=new WebAssembly.Module(e);return 0!==new WebAssembly.Instance(t,{}).exports.test(4)}():this.testResult=!1}catch(e){console.log("Exception while testing WebAssembly",e),this.testResult=!1}this.tested=!0}return this.testResult}};t.default=i},309:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.default=void 0;var i=function extend(e,t){for(var i in t)t.hasOwnProperty(i)&&(e[i]=t[i])};t.default=i},431:(e,t,i)=>{"use strict";var s=function(){function defineProperties(e,t){for(var i=0;i<t.length;i++){var s=t[i];s.enumerable=s.enumerable||!1,s.configurable=!0,"value"in s&&(s.writable=!0),Object.defineProperty(e,s.key,s)}}return function(e,t,i){return t&&defineProperties(e.prototype,t),i&&defineProperties(e,i),e}}(),d=function get(e,t,i){null===e&&(e=Function.prototype);var s=Object.getOwnPropertyDescriptor(e,t);if(void 0===s){var d=Object.getPrototypeOf(e);return null===d?void 0:get(d,t,i)}if("value"in s)return s.value;var h=s.get;return void 0!==h?h.call(i):void 0};function _classCallCheck(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function _possibleConstructorReturn(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}var h=i(828),u="arraybuffer",c=function(e){function ArrayBufferBackend(){return _classCallCheck(this,ArrayBufferBackend),_possibleConstructorReturn(this,(ArrayBufferBackend.__proto__||Object.getPrototypeOf(ArrayBufferBackend)).apply(this,arguments))}return function _inherits(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof 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0===s?1048576:s,u=e.cacheSize,c=void 0===u?0:u,l=e.progressive,f=void 0===l||l;!function _classCallCheck(e,t){if(!(e instanceof t))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=f,Object.defineProperties(this,{offset:{get:function get(){return this._cache.readOffset}},eof:{get:function get(){return this.length===this._cache.readOffset}}}),this.url=i,this.headers={},this._cache=new d({cacheSize:c}),this._backend=null,this._cachever=0,this._chunkSize=h}return s(StreamFile,[{key:"load",value:function load(){var e=this;return new Promise((function(t,i){if(e.loading)throw new Error("cannot load when loading");if(e.loaded)throw new Error("cannot load when loaded");e.loading=!0,e._openBackend().then((function(i){e.seekable=i.seekable,e.headers=i.headers,e.length=i.length,e.loaded=!0,e.loading=!1,t()})).catch((function(t){"AbortError"!==t.name&&(e.loading=!1),i(t)}))}))}},{key:"_openBackend",value:function _openBackend(){var e=this;return new Promise((function(t,i){if(e._backend)t(e._backend);else if(e.eof)i(new Error("cannot open at end of file"));else{var s=e._cache,d=e._chunkSize,u=s.bytesReadable(d),c=s.readOffset+u;if(s.seekWrite(c),e.length>=0&&c>=e.length)return void t(null);var l=e._clampToLength(s.writeOffset+s.bytesWritable(d))-s.writeOffset;if(0===l)t(null);else{var f=e._backend=new h({url:e.url,offset:e._cache.writeOffset,length:l,cachever:e._cachever,progressive:e.progressive}),_=null,p=function checkOpen(){f!==e._backend?(_(),i(new Error("invalid state"))):(f.on("buffer",(function(t){f===e._backend&&e._cache.write(t)})),f.on("done",(function(){f===e._backend&&(-1===e.length&&(e.length=e._backend.offset+e._backend.bytesRead),e._backend=null)})),t(f))},m=function checkError(t){f!==e._backend?i(new Error("invalid state")):(e._backend=null,i(t))};_=function oncomplete(){f.off("open",p),f.off("error",m)},f.on("open",p),f.on("error",m),f.on("cachever",(function(){e._cachever++})),f.load()}}}))}},{key:"_readAhead",value:function _readAhead(){var e=this;return new Promise((function(t,i){e._backend||e.eof?t():e._openBackend().then((function(){t()})).catch((function(e){i(e)}))}))}},{key:"seek",value:function seek(e){var t=this;return new Promise((function(i,s){if(!t.loaded||t.buffering||t.seeking)throw new Error("invalid state");if(e!==(0|e)||e<0)throw new Error("invalid input");if(t.length>=0&&e>t.length)throw new Error("seek past end of file");if(!t.seekable)throw new Error("seek on non-seekable stream");t._backend&&t.abort(),t._cache.seekRead(e),t._cache.seekWrite(e),t._readAhead().then(i).catch(s)}))}},{key:"read",value:function read(e){var t=this;return this.buffer(e).then((function(e){return t.readSync(e)}))}},{key:"readSync",value:function readSync(e){var t=this.bytesAvailable(e),i=new Uint8Array(t);if(this.readBytes(i)!==t)throw new Error("failed to read expected data");return i.buffer}},{key:"readBytes",value:function readBytes(e){if(!this.loaded||this.buffering||this.seeking)throw new Error("invalid state");if(!(e instanceof Uint8Array))throw new Error("invalid input");var t=this._cache.readBytes(e);return this._readAhead(),t}},{key:"buffer",value:function buffer(e){var t=this;return new Promise((function(i,s){if(!t.loaded||t.buffering||t.seeking)throw new Error("invalid state");if(e!==(0|e)||e<0)throw new Error("invalid input");var d=t._clampToLength(t.offset+e),h=d-t.offset,u=t.bytesAvailable(h);u>=h?i(u):(t.buffering=!0,t._openBackend().then((function(i){return i?i.bufferToOffset(d).then((function(){return t.buffering=!1,t.buffer(e)})):Promise.resolve(u)})).then((function(e){t.buffering=!1,i(e)})).catch((function(e){"AbortError"!==e.name&&(t.buffering=!1),s(e)})))}))}},{key:"bytesAvailable",value:function bytesAvailable(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:1/0;return this._cache.bytesReadable(e)}},{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(e){return this.length<0?e:Math.min(this.length,e)}}]),StreamFile}();e.exports=u},826:e=>{e.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:e=>{!function(){"use strict";function FrameSink(e,t){throw new Error("abstract")}FrameSink.prototype.drawFrame=function(e){throw new Error("abstract")},FrameSink.prototype.clear=function(){throw new Error("abstract")},e.exports=FrameSink}()},926:(e,t,i)=>{!function(){"use strict";var t=i(487),s=i(627);function SoftwareFrameSink(e){var t=this,i=e.getContext("2d"),d=null,h=null,u=null;return t.drawFrame=function drawFrame(t){var c=t.format;e.width===c.displayWidth&&e.height===c.displayHeight||(e.width=c.displayWidth,e.height=c.displayHeight),null!==d&&d.width==c.width&&d.height==c.height||function initImageData(e,t){for(var s=(d=i.createImageData(e,t)).data,h=e*t*4,u=0;u<h;u+=4)s[u+3]=255}(c.width,c.height),s.convertYCbCr(t,d.data);var l,f=c.cropWidth!=c.displayWidth||c.cropHeight!=c.displayHeight;f?(h||function initResampleCanvas(e,t){(h=document.createElement("canvas")).width=e,h.height=t,u=h.getContext("2d")}(c.cropWidth,c.cropHeight),l=u):l=i,l.putImageData(d,-c.cropLeft,-c.cropTop,c.cropLeft,c.cropTop,c.cropWidth,c.cropHeight),f&&i.drawImage(h,0,0,c.displayWidth,c.displayHeight)},t.clear=function(){i.clearRect(0,0,e.width,e.height)},t}SoftwareFrameSink.prototype=Object.create(t.prototype),e.exports=SoftwareFrameSink}()},895:(e,t,i)=>{!function(){"use strict";var t=i(487),s=i(826);function WebGLFrameSink(e){var t,i,d=this,h=WebGLFrameSink.contextForCanvas(e);if(null===h)throw new Error("WebGL unavailable");function compileShader(e,t){var i=h.createShader(e);if(h.shaderSource(i,t),h.compileShader(i),!h.getShaderParameter(i,h.COMPILE_STATUS)){var s=h.getShaderInfoLog(i);throw h.deleteShader(i),new Error("GL shader compilation for "+e+" failed: "+s)}return i}var u,c,l,f,_,p,m,g,v,y,b=new Float32Array([-1,-1,1,-1,-1,1,-1,1,1,-1,1,1]),T={},k={},P={};function createOrReuseTexture(e){return T[e]||(T[e]=h.createTexture()),T[e]}function uploadTexture(e,t,i,s){var d=createOrReuseTexture(e);if(h.activeTexture(h.TEXTURE0),WebGLFrameSink.stripe){var u=!T[e+"_temp"],c=createOrReuseTexture(e+"_temp");h.bindTexture(h.TEXTURE_2D,c),u?(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,t/4,i,0,h.RGBA,h.UNSIGNED_BYTE,s)):h.texSubImage2D(h.TEXTURE_2D,0,0,0,t/4,i,h.RGBA,h.UNSIGNED_BYTE,s);var l=T[e+"_stripe"],f=!l;f&&(l=createOrReuseTexture(e+"_stripe")),h.bindTexture(h.TEXTURE_2D,l),f&&(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,t,1,0,h.RGBA,h.UNSIGNED_BYTE,function buildStripe(e){if(P[e])return P[e];for(var t=e,i=new Uint32Array(t),s=0;s<t;s+=4)i[s]=255,i[s+1]=65280,i[s+2]=16711680,i[s+3]=4278190080;return P[e]=new Uint8Array(i.buffer)}(t)))}else h.bindTexture(h.TEXTURE_2D,d),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,t,i,0,h.LUMINANCE,h.UNSIGNED_BYTE,s)}function unpackTexture(e,t,s){var d=T[e];h.useProgram(i);var m=k[e];m||(h.activeTexture(h.TEXTURE0),h.bindTexture(h.TEXTURE_2D,d),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,t,s,0,h.RGBA,h.UNSIGNED_BYTE,null),m=k[e]=h.createFramebuffer()),h.bindFramebuffer(h.FRAMEBUFFER,m),h.framebufferTexture2D(h.FRAMEBUFFER,h.COLOR_ATTACHMENT0,h.TEXTURE_2D,d,0);var g=T[e+"_temp"];h.activeTexture(h.TEXTURE1),h.bindTexture(h.TEXTURE_2D,g),h.uniform1i(p,1);var v=T[e+"_stripe"];h.activeTexture(h.TEXTURE2),h.bindTexture(h.TEXTURE_2D,v),h.uniform1i(_,2),h.bindBuffer(h.ARRAY_BUFFER,u),h.enableVertexAttribArray(c),h.vertexAttribPointer(c,2,h.FLOAT,!1,0,0),h.bindBuffer(h.ARRAY_BUFFER,l),h.enableVertexAttribArray(f),h.vertexAttribPointer(f,2,h.FLOAT,!1,0,0),h.viewport(0,0,t,s),h.drawArrays(h.TRIANGLES,0,b.length/2),h.bindFramebuffer(h.FRAMEBUFFER,null)}function attachTexture(e,i,s){h.activeTexture(i),h.bindTexture(h.TEXTURE_2D,T[e]),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(t,e),s)}function initProgram(e,t){var i=compileShader(h.VERTEX_SHADER,e),s=compileShader(h.FRAGMENT_SHADER,t),d=h.createProgram();if(h.attachShader(d,i),h.attachShader(d,s),h.linkProgram(d),!h.getProgramParameter(d,h.LINK_STATUS)){var u=h.getProgramInfoLog(d);throw h.deleteProgram(d),new Error("GL program linking failed: "+u)}return d}return d.drawFrame=function(T){var k=T.format,P=!t||e.width!==k.displayWidth||e.height!==k.displayHeight;if(P&&(e.width=k.displayWidth,e.height=k.displayHeight,d.clear()),t||function init(){if(WebGLFrameSink.stripe){i=initProgram(s.vertexStripe,s.fragmentStripe),h.getAttribLocation(i,"aPosition"),l=h.createBuffer();var e=new Float32Array([0,0,1,0,0,1,0,1,1,0,1,1]);h.bindBuffer(h.ARRAY_BUFFER,l),h.bufferData(h.ARRAY_BUFFER,e,h.STATIC_DRAW),f=h.getAttribLocation(i,"aTexturePosition"),_=h.getUniformLocation(i,"uStripe"),p=h.getUniformLocation(i,"uTexture")}t=initProgram(s.vertex,s.fragment),u=h.createBuffer(),h.bindBuffer(h.ARRAY_BUFFER,u),h.bufferData(h.ARRAY_BUFFER,b,h.STATIC_DRAW),c=h.getAttribLocation(t,"aPosition"),m=h.createBuffer(),g=h.getAttribLocation(t,"aLumaPosition"),v=h.createBuffer(),y=h.getAttribLocation(t,"aChromaPosition")}(),P){var setupTexturePosition=function(e,t,i){var s=k.cropLeft/i,d=(k.cropLeft+k.cropWidth)/i,u=(k.cropTop+k.cropHeight)/k.height,c=k.cropTop/k.height,l=new Float32Array([s,u,d,u,s,c,s,c,d,u,d,c]);h.bindBuffer(h.ARRAY_BUFFER,e),h.bufferData(h.ARRAY_BUFFER,l,h.STATIC_DRAW)};setupTexturePosition(m,0,T.y.stride),setupTexturePosition(v,0,T.u.stride*k.width/k.chromaWidth)}uploadTexture("uTextureY",T.y.stride,k.height,T.y.bytes),uploadTexture("uTextureCb",T.u.stride,k.chromaHeight,T.u.bytes),uploadTexture("uTextureCr",T.v.stride,k.chromaHeight,T.v.bytes),WebGLFrameSink.stripe&&(unpackTexture("uTextureY",T.y.stride,k.height),unpackTexture("uTextureCb",T.u.stride,k.chromaHeight),unpackTexture("uTextureCr",T.v.stride,k.chromaHeight)),h.useProgram(t),h.viewport(0,0,e.width,e.height),attachTexture("uTextureY",h.TEXTURE0,0),attachTexture("uTextureCb",h.TEXTURE1,1),attachTexture("uTextureCr",h.TEXTURE2,2),h.bindBuffer(h.ARRAY_BUFFER,u),h.enableVertexAttribArray(c),h.vertexAttribPointer(c,2,h.FLOAT,!1,0,0),h.bindBuffer(h.ARRAY_BUFFER,m),h.enableVertexAttribArray(g),h.vertexAttribPointer(g,2,h.FLOAT,!1,0,0),h.bindBuffer(h.ARRAY_BUFFER,v),h.enableVertexAttribArray(y),h.vertexAttribPointer(y,2,h.FLOAT,!1,0,0),h.drawArrays(h.TRIANGLES,0,b.length/2)},d.clear=function(){h.viewport(0,0,e.width,e.height),h.clearColor(0,0,0,0),h.clear(h.COLOR_BUFFER_BIT)},d.clear(),d}WebGLFrameSink.stripe=-1!==navigator.userAgent.indexOf("Windows"),WebGLFrameSink.contextForCanvas=function(e){var t={preferLowPowerToHighPerformance:!0,powerPreference:"low-power",failIfMajorPerformanceCaveat:!0,preserveDrawingBuffer:!0};return e.getContext("webgl",t)||e.getContext("experimental-webgl",t)},WebGLFrameSink.isAvailable=function(){var e,t=document.createElement("canvas");t.width=1,t.height=1;try{e=WebGLFrameSink.contextForCanvas(t)}catch(e){return!1}if(e){var i=e.TEXTURE0,s=e.createTexture(),d=new Uint8Array(16),h=WebGLFrameSink.stripe?1:4,u=WebGLFrameSink.stripe?e.RGBA:e.LUMINANCE,c=WebGLFrameSink.stripe?e.NEAREST:e.LINEAR;return e.activeTexture(i),e.bindTexture(e.TEXTURE_2D,s),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,c),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,c),e.texImage2D(e.TEXTURE_2D,0,u,h,4,0,u,e.UNSIGNED_BYTE,d),!e.getError()}return!1},WebGLFrameSink.prototype=Object.create(t.prototype),e.exports=WebGLFrameSink}()},627:(e,t,i)=>{!function(){"use strict";var t=i(877);e.exports={convertYCbCr:function convertYCbCr(e,i){var s=0|e.format.width,d=0|e.format.height,h=0|t(e.format.width/e.format.chromaWidth),u=0|t(e.format.height/e.format.chromaHeight),c=e.y.bytes,l=e.u.bytes,f=e.v.bytes,_=0|e.y.stride,p=0|e.u.stride,m=0|e.v.stride,g=s<<2,v=0,y=0,b=0,T=0,k=0,P=0,w=0,E=0,x=0,A=0,R=0,O=0,F=0,S=0,C=0,B=0,D=0,M=0;if(1==h&&1==u)for(w=0,E=g,M=0,B=0;B<d;B+=2){for(b=(y=B*_|0)+_|0,T=M*p|0,k=M*m|0,C=0;C<s;C+=2)x=0|l[T++],O=(409*(A=0|f[k++])|0)-57088|0,F=(100*x|0)+(208*A|0)-34816|0,S=(516*x|0)-70912|0,R=298*c[y++]|0,i[w]=R+O>>8,i[w+1]=R-F>>8,i[w+2]=R+S>>8,w+=4,R=298*c[y++]|0,i[w]=R+O>>8,i[w+1]=R-F>>8,i[w+2]=R+S>>8,w+=4,R=298*c[b++]|0,i[E]=R+O>>8,i[E+1]=R-F>>8,i[E+2]=R+S>>8,E+=4,R=298*c[b++]|0,i[E]=R+O>>8,i[E+1]=R-F>>8,i[E+2]=R+S>>8,E+=4;w+=g,E+=g,M++}else for(P=0,B=0;B<d;B++)for(D=0,v=B*_|0,T=(M=B>>u)*p|0,k=M*m|0,C=0;C<s;C++)x=0|l[T+(D=C>>h)],O=(409*(A=0|f[k+D])|0)-57088|0,F=(100*x|0)+(208*A|0)-34816|0,S=(516*x|0)-70912|0,R=298*c[v++]|0,i[P]=R+O>>8,i[P+1]=R-F>>8,i[P+2]=R+S>>8,P+=4}}}()},877:e=>{!function(){"use strict";e.exports=function depower(e){for(var t=0,i=e>>1;0!=i;)i>>=1,t++;if(e!==1<<t)throw"chroma plane dimensions must be power of 2 ratio to luma plane dimensions; got "+e;return t}}()},731:(e,t,i)=>{!function(){"use strict";var t=i(487),s=i(926),d=i(895),h={FrameSink:t,SoftwareFrameSink:s,WebGLFrameSink:d,attach:function(e,t){return("webGL"in(t=t||{})?t.webGL:d.isAvailable())?new d(e,t):new s(e,t)}};e.exports=h}()}},t={};function __webpack_require__(i){var s=t[i];if(void 0!==s)return s.exports;var d=t[i]={exports:{}};return e[i](d,d.exports,__webpack_require__),d.exports}var i={};return(()=>{"use strict";var e=i,t=__webpack_require__(318);Object.defineProperty(e,"__esModule",{value:!0}),Object.defineProperty(e,"OGVCompat",{enumerable:!0,get:function get(){return s.default}}),Object.defineProperty(e,"OGVLoader",{enumerable:!0,get:function get(){return d.default}}),Object.defineProperty(e,"OGVMediaError",{enumerable:!0,get:function get(){return h.default}}),Object.defineProperty(e,"OGVMediaType",{enumerable:!0,get:function get(){return u.default}}),Object.defineProperty(e,"OGVPlayer",{enumerable:!0,get:function get(){return c.default}}),Object.defineProperty(e,"OGVTimeRanges",{enumerable:!0,get:function get(){return l.default}}),e.OGVVersion=void 0;var s=t(__webpack_require__(523)),d=t(__webpack_require__(964)),h=t(__webpack_require__(759)),u=t(__webpack_require__(278)),c=t(__webpack_require__(869)),l=t(__webpack_require__(168)),f="1.8.4-20210702161914-bd3a07f";e.OGVVersion=f,"object"==typeof window&&(window.OGVCompat=s.default,window.OGVLoader=d.default,window.OGVMediaError=h.default,window.OGVMediaType=u.default,window.OGVTimeRanges=l.default,window.OGVPlayer=c.default,window.OGVVersion=f)})(),i})()}));
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