ogv/dist/ogv-es2017.js

WebAssembly media player using Ogg/Vorbis/Theora/Opus/WebM libs compiled with Emscripten

/*! For license information please see ogv-es2017.js.LICENSE.txt */
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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 i=document.createElement("script"),done=t=>{var i=this.scriptCallbacks[e];delete this.scriptCallbacks[e],this.scriptStatus[e]="done",i.forEach((e=>{e()}))};i.addEventListener("load",done),i.addEventListener("error",done),i.src=e,document.querySelector("head").appendChild(i)}}workerProxy(e,t){var i=c[l[e]];if(!i)throw new Error("Requested worker for class with no proxy: "+e);var s,d=i.proxy,h=i.worker,u=this.urlForScript(this.scriptForClass(e)),_=this.urlForScript(h),p=function construct(t){return new d(s,e,t)};if(_.match(/^https?:|\/\//i)){var m,V,g,v,y,b=!1,T=!1;function completionCheck(){if(1==b&&1==T){var e=g+" "+v+"\nOGVLoader.base = "+JSON.stringify(f.base);try{y=new Blob([e],{type:"application/javascript"})}catch(t){window.BlobBuilder=window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder,(y=new BlobBuilder).append(e),y=y.getBlob()}s=new Worker(URL.createObjectURL(y)),t((function(e){return Promise.resolve(new p(e))}))}}(m=new 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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(e){var 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 V.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(){var e=document.createElement("audio");e.src=v.default,e.play(),c.default.initSharedAudioContext()}_initAudioFeeder(){var e=this._options,t={bufferSize:8192};e.audioContext&&(t.audioContext=e.audioContext),e.audioDestination&&(t.output=e.audioDestination),e.audioBackendFactory&&(t.backendFactory=e.audioBackendFactory);var i=this._audioFeeder=new c.default(t);i.init(this._audioInfo.channels,this._audioInfo.rate),this.onaudiofeedercreated&&this.onaudiofeedercreated(this._audioFeeder),i.bufferThreshold=1,i.volume=this.volume,i.muted=this.muted,i.tempo=this.playbackRate,i.onbufferlow=()=>{this._log("onbufferlow"),this._stream&&(this._stream.buffering||this._stream.seeking)||this._pendingAudio||this._pingProcessing()},i.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=F,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=x,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=x,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=O,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=F,this._state=P,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)}_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==O&&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"});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==A)this._doProcessLoaded();else if(this._state==w)this._doProcessPreload();else if(this._state==P)this._doProcessReady();else if(this._state==x)this._doProcessSeeking();else if(this._state==E)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=A,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