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a=e[i];.5>Math.abs(r.end-a.start)?r.end=a.end:(n.push(r),r={start:a.start,end:a.end})}return n.push(r),n}},{key:"getBuffer",value:function(e){if(this.isLive)return this._buffers.shift();var t=this._buffers.filter(function(t){return t.start<e+.5&&t.end>e+.5})[0];return(a.kg.log(this.TAG,"get audio buffer , currentTime:".concat(e," ,buffer:[").concat(t&&t.start," , ").concat(t&&t.end,"]")),0!==e||t)?t:this._buffers[0]}},{key:"hasBuffer",value:function(){var e;return!!(null!==(e=this._buffers)&&void 0!==e&&e.length)}}]),e}()},651668:function(e,t,n){n.d(t,{Z:function(){return R}}),n("149336");var r=n("315355"),i=n("919209"),a=n("732905"),o=n("64505"),s=n("625813"),u=n("278997"),c=n("508881"),d=n("272787");n("346984"),n("932651");var l=n("597931");n("104882");var f=n("383943"),h=n("906918"),v=n("685290"),g=n("534611"),p=n("874668"),m=function(){function 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0!==arguments[0]?arguments[0]:{dts:0};this._estimateDecodeFps(e),this._estimateFps(e)}},{key:"resetDecodeDot",value:function(e){this._lastDecodeDot=e||0}},{key:"reset",value:function(){this._decodeCosts=[],this._lowDecodeQueue=[]}},{key:"_estimateFps",value:function(e){if(!this._needEstimate)return;if(!this._lastFrameDts){this._lastFrameDts=e.dts;return}var t=e.dts-this._lastFrameDts;if(this._lastFrameDts=e.dts,!(Math.abs(t)>200)){this._dtsDeltas.push(t);var n=this._dtsDeltas.length;!(n<5)&&(this._fps=Math.ceil(1e3/this._avg(this._dtsDeltas,n)),l.kg.log(this.TAG,"estimate fps:",this._fps),this._needEstimate=!1)}}},{key:"_estimateDecodeFps",value:function(e){if(!this._lastDecodeDot){this._lastDecodeDot=performance.now();return}var t=performance.now(),n=t-this._lastDecodeDot;this._lastDecodeDot=t,e.cost=n,this._lastDecodeCost=n,this._decodeCosts.push(n);var r=this._decodeCosts.length;if(!(r<5)){var i=this._avg(this._decodeCosts,r);this._decodeFps=Math.floor(1e3/i),this._decodeCosts=[],this._lowDecodeDetect()}}},{key:"_avg",value:function(e,t){return Math.floor(e.reduce(function(e,t){return e+=t},0)/t)||1}},{key:"_lowDecodeDetect",value:function(){if(!this._decodeFps){this._parent.emit(g.ZP.VIDEO.DECODE_LOW_FPS,0);return}this._decodeFps<this._fps*this._parent.playbackRate+(this.webcodec?0:this._lowDecodeFpsDelta)?this._lowDecodeQueue.push(this._decodeFps):this._lowDecodeQueue.pop(),this._lowDecodeQueue.length>this._lowDecodeThreshold&&(this._lowDecodeQueue=[],l.kg.log(this.TAG,"解码效率过低,应该降级"),this._parent.emit(g.ZP.VIDEO.DECODE_LOW_FPS,this._decodeFps))}},{key:"destroy",value:function(){this._parent=null}}]),e}(),_=n("830361"),y=function(e){(0,s.Z)(f,e);var t,n,d=(t=f,n=function(){if("undefined"==typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(e){return!1}}(),function(){var e,r=(0,c.Z)(t);return e=n?Reflect.construct(r,arguments,(0,c.Z)(this).constructor):r.apply(this,arguments),(0,u.Z)(this,e)});function f(e,t){var n;return(0,r.Z)(this,f),(n=d.call(this,e,t))._timeRange=new h.Z((0,a.Z)(n)),n._decodeEstimate=new m((0,a.Z)(n)),n._frameQueue=new v.Z((0,a.Z)(n)),n._lastTimeupdate=0,n._renderCost=0,n._canAutoPlay=!0,n._videoDecode=!1,n._inSeeking=!1,n._frameRender=null,n._configuration=null,n._canvasLayoutDone=!1,n._render=n._render.bind((0,a.Z)(n)),n._renderWorker=new _.Z(n._render,e,(0,a.Z)(n)),n._canvas=n._renderWorker.canvas,n._bindEvents(),n}return(0,i.Z)(f,[{key:"canAutoPlay",get:function(){return this._canAutoPlay}},{key:"canvas",get:function(){return this._canvas}},{key:"timescale",get:function(){return 1e3}},{key:"fps",get:function(){return this._decodeEstimate.fps||this._meta&&this._meta.fpsNum/this._meta.fpsDen||24}},{key:"decodeFps",get:function(){return this._decodeEstimate.decodeFps}},{key:"decodeCost",get:function(){return this._decodeEstimate.decodeCost}},{key:"renderCost",get:function(){return this._renderCost}},{key:"totalSize",get:function(){return this._timeRange.totalSize}},{key:"bitrate",get:function(){return this._timeRange.bitrate},set:function(e){this._timeRange.bitrate=e}},{key:"gopLength",get:function(){return this._decodeEstimate.gopLength}},{key:"is540p",get:function(){return this._canvas.height<720}},{key:"buffered",get:function(){return this._timeRange.buffered}},{key:"inSeeking",get:function(){return this._inSeeking}},{key:"interval",get:function(){return Math.floor(1e3/this.fps/this.playbackRate)}},{key:"playbackRate",get:function(){return this._playbackRate||1}},{key:"baseDts",get:function(){return this._timeRange.baseDts}},{key:"currentTime",get:function(){return this._timeRange.getCurrentTime(this.preciseVideoDts)}},{key:"timelinePosition",get:function(){return this._parent.timelinePosition}},{key:"lastTimelinePosition",get:function(){return this._lastTimelinePosition||0},set:function(e){this._lastTimelinePosition=e}},{key:"audioSyncDts",get:function(){return this._audioDts||this.baseDts},set:function(e){this._audioDts=e}},{key:"preciseVideoDts",get:function(){return this.audioSyncDts+Math.floor((this.timelinePosition-this.lastTimelinePosition)*1e3)}},{key:"readyState",get:function(){var e=this._frameQueue.length||(this.currentTime?1:0);return e?e>=8?4:e>=4?3:e>=2?2:1:0}},{key:"isHevc",get:function(){return!("hev1.1.6.L93.B0"!==(this._meta||{}).codec)}},{key:"videoDecode",get:function(){return this._videoDecode}},{key:"decoderMode",get:function(){var e;return null===(e=this._decodeController)||void 0===e?void 0:e.decoderMode}},{key:"configuration",get:function(){var e,t;return this._configuration?this._configuration:(this._configuration=this._meta.configuration||(0,l.Mv)(null===(e=this._meta)||void 0===e?void 0:e.sps[0],null===(t=this._meta)||void 0===t?void 0:t.pps[0]),this._configuration)},set:function(e){this._configuration=e.configuration||(0,l.Mv)(e.sps[0],e.pps[0])}},{key:"setSeekingStatus",value:function(e){this._inSeeking=e}},{key:"getDtsOfTime",value:function(e){return this._timeRange.getDtsOfTime(e)}},{key:"updateReady",value:function(){this._whenReady()}},{key:"forceRender",value:function(){this._render(!0)}},{key:"getSeekStartPosition",value:function(e,t){return this._timeRange.getSeekStartPosition(e,t)}},{key:"getSeekStartPositionBehind",value:function(e,t){return this._timeRange.getSeekStartPositionBehind(e,t)}},{key:"canSeek",value:function(){throw Error("need override by children")}},{key:"emitResizeEvent",value:function(){this===null||void 0===this||this._emitTimelineEvents(g.ZP.TIMELINE.PLAY_EVENT,g.ZP.VIDEO_EVENTS.RESIZE)}},{key:"_assembleErr",value:function(e,t){var n=Error(e);return n.code=3,n.subCode=t,n}},{key:"_emitError",value:function(e,t){this._emitTimelineEvents(g.ZP.TIMELINE.PLAY_EVENT,g.ZP.VIDEO_EVENTS.ERROR,this._assembleErr(e,t))}},{key:"_emitTimelineEvents",value:function(e,t,n){var r;null===(r=this._parent)||void 0===r||r.emit(e,t,n)}},{key:"_bindEvents",value:function(){var e=this;(0,o.Z)((0,c.Z)(f.prototype),"_bindEvents",this).call(this);var t=function(t){var n=t.width,r=t.height,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,o=e._canvas,s=o.width,u=o.height,c=r*s/u,d=n*u/s,f=n-c,h=r-d,v=f*i+"px",g=h*a+"px";e._canvas.style.left=v,e._canvas.style.top=g,l.kg.warn(e.TAG,"cvsWidth=".concat(s,", cvsHeight=").concat(u,", scaleCvsWidth=").concat(c,", scaleCvsHeight=").concat(d)),l.kg.warn(e.TAG,"cover position: deltaX=".concat(f,", deltaY=").concat(h,", width=").concat(n,", height=").concat(r,", pX=").concat(v,", pY=").concat(g))};this._parent.on(g.ZP.VIDEO.UPDATE_VIDEO_FILLTYPE,function(n,r){var i=r.width,a=r.height,o=e._canvas,s=o.width,u=o.height,c=!i||i/a>s/u;if(l.kg.warn(e.TAG,"UPDATE_VIDEO_FILLTYPE isGapX =",c,"type 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a=e._timeRange.nextFrame();t=t||i||a&&a.dts||0}if(e.audioSyncDts=t,i&&i-t>500&&e._emitTimelineEvents(g.ZP.TIMELINE.PLAY_EVENT,g.ZP.VIDEO_EVENTS.LARGE_AV_GAP,{aDts:t,vDts:i,frameLength:e._frameQueue.length,currentTime:e._parent.currentTime,duration:e._parent.duration}),l.kg.log(e.TAG,"audio current buffer play finish, next buffer dts=",t,"currentTime:",e._parent.currentTime,"preciseVideoDts:",e.preciseVideoDts,"next video frame dts:",i,"frame length:",e._frameQueue.length),!e._isLive&&!(null!==(n=e._parent)&&void 0!==n&&n.seeking)){var o=e._timeRange.nextFrame();if(o){var s=(o.dts-o.baseDts)/1e3;e._parent.currentTime-s>1&&(l.kg.warn(e.TAG,"丢帧!"),e.ajustSeekTime(e._parent.currentTime))}}}),this._parent.on(g.ZP.TIMELINE.UPDATE_GL_OPTIONS,function(t){e._config.glCtxOptions=t}),this._parent.on(g.ZP.TIMELINE.UPDATE_SEGMENT_END,this._updateSegmentEnd.bind(this)),this.on(g.ZP.VIDEO.AUTO_RUN,this._startRender.bind(this)),this._parent.on(g.ZP.TIMELINE.SET_PLAYBACKRATE,function(t){e._playbackRate=t,e._startRender()})}},{key:"ajustSeekTime",value:function(){throw Error("need override by children")}},{key:"_resetDts",value:function(e,t){"audio"!==t&&this._timeRange.resetDts(e)}},{key:"_setMetadata",value:function(e,t){if("audio"!==e){l.kg.warn(this.TAG,"video set metadata"),this._meta=t;var n=t&&t.frameRate&&t.frameRate.fps;n?l.kg.log(this.TAG,"detect fps:",n):l.kg.warn(this.TAG,"no detect fps,start estimate"),this._initDecoder()}}},{key:"_initDecoder",value:function(){throw Error("need override by children")}},{key:"_whenDecoderReady",value:function(){throw Error("need override by children")}},{key:"_appendChunk",value:function(){throw Error("need override by children")}},{key:"_startDecode",value:function(){throw Error("need override by children")}},{key:"_receiveFrame",value:function(e,t){if(!!this._parent&&!!this._timeRange){var n=e.info||{};if(this._decodeEstimate.addDecodeInfo(n),this._checkCanvasLayout(e),!this._isLive&&((n.output||n.keyframe)&&(this.setSeekingStatus(!1),l.kg.warn(this.TAG,"set seeking status=",!1)),this.inSeeking)){l.kg.log(this.TAG,"drop frame"),(0,v.s)(e);return}this._isLive?this._frameQueue.append(e):this._frameQueue.appendVodFrame(e),t&&t(),!this._ready&&this.readyState>=1&&this._whenReady()}}},{key:"_checkCanvasLayout",value:function(e){!this._canvasLayoutDone&&e.width===this._canvas.width&&(e.width/e.height).toFixed(2)===(this._canvas.width/this._canvas.height).toFixed(2)&&(this===null||void 0===this||this._emitTimelineEvents(g.ZP.TIMELINE.PLAY_EVENT,g.ZP.VIDEO_EVENTS.CANVAS_LAYOUT),this._canvasLayoutDone=!0)}},{key:"_startRender",value:function(){l.kg.log(this.TAG,"start render"),this._renderWorker.startLoop(this.interval)}},{key:"_render",value:function(){throw Error("need override by children")}},{key:"_updateSegmentEnd",value:function(){throw Error("need override by children")}},{key:"_whenReady",value:function(){this._ready=!0,this.emit(g.ZP.VIDEO.VIDEO_READY),this.noAudio&&this._emitTimelineEvents(g.ZP.TIMELINE.PLAY_EVENT,g.ZP.VIDEO_EVENTS.PLAYING)}},{key:"_doPlay",value:function(){this._renderWorker.startLoop()}},{key:"_doPause",value:function(){this._renderWorker.stopLoop()}},{key:"_doSeek",value:function(){this._ready=!1,this._frameQueue.destroy()}},{key:"_doChaseFrame",value:function(){throw Error("need override by children")}},{key:"destroy",value:function(e){var t,n,r,i,a,o;null===(t=this._renderWorker)||void 0===t||t.destroy(e),null===(n=this._timeRange)||void 0===n||n.destroy(),null===(r=this._frameQueue)||void 0===r||r.destroy(),null===(i=this._frameRender)||void 0===i||null===(a=i.destroy)||void 0===a||a.call(i),null===(o=this._decodeEstimate)||void 0===o||o.destroy(),this._renderWorker=null,this._canvas=null,this._timeRange=null,this._frameQueue=null,this._frameRender=null,this._decodeEstimate=null,this._parent=null,this.removeAllListeners()}}]),f}(f.Z),b=n("845905");n("705574"),n("124300"),n("248385"),n("832674"),n("905442"),n("446336"),n("808483"),n("840938"),n("118438"),n("325598"),n("92999"),n("611067"),n("273723"),n("724016"),n("803903"),n("214604"),n("901250"),n("755006"),n("437048"),n("488336"),n("825666"),n("177162"),n("286633"),n("943281"),n("810658"),n("82726"),n("224727"),n("663030");var k=n("636692"),C=n("126980"),w=n("30222"),T=n("548872"),x=n("856894"),E=(0,p.tT)().maxDecodeOnceWasm,D=function(e){(0,s.Z)(f,e);var t,n,o=(t=f,n=function(){if("undefined"==typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(e){return!1}}(),function(){var e,r=(0,c.Z)(t);return e=n?Reflect.construct(r,arguments,(0,c.Z)(this).constructor):r.apply(this,arguments),(0,u.Z)(this,e)});function f(){var e;(0,r.Z)(this,f);for(var t=arguments.length,n=Array(t),i=0;i<t;i++)n[i]=arguments[i];return e=o.call.apply(o,[this].concat(n)),(0,d.Z)((0,a.Z)(e),"TAG","WasmController"),(0,d.Z)((0,a.Z)(e),"_avccpushed",!1),(0,d.Z)((0,a.Z)(e),"_maxDecodeOnce",E),(0,d.Z)((0,a.Z)(e),"_continueDecodeThreshold",E/2),(0,d.Z)((0,a.Z)(e),"_wasmInitCost",0),(0,d.Z)((0,a.Z)(e),"_threadSupported",(0,p.Bo)()&&(0,p.tT)().canUseThreadMode),(0,d.Z)((0,a.Z)(e),"_simdSuppported",(0,p.yJ)()),(0,d.Z)((0,a.Z)(e),"_decoderMode","undefined"!=typeof window&&window.WebAssembly?3:4),e}return(0,i.Z)(f,[{key:"wasmInitCost",get:function(){var e;return null===(e=this._decoderWorker)||void 0===e?void 0:e._wasmInitCost}},{key:"isHevc",get:function(){var e;return null===(e=this._parent)||void 0===e?void 0:e.isHevc}},{key:"_selectDecodeWorker",value:function(){this.analyse.addWasmInit();var e,t=(0,p.P_)(),n=t.H264_DECODER_URL,r=t.H265_DECODER_URL,i=t.H265_THREAD_DECODER_URL,a=t.H265_SIMD_DECODER_URL,o=t.ASM_H264_DECODER_URL,s=t.ASM_H265_DECODER_URL;if(l.kg.log(this.TAG,"start init wasm worker:",performance.now(),"hevc:",this.isHevc,"decoderMode:",this._decoderMode),this.isHevc){if(!(e=1===this._decoderMode?i:2===this._decoderMode?a:3===this._decoderMode?r:s)){this._workerErrorCallback("no found decoder url, decodeMode:".concat(this._decoderMode));return}return{decoder:1===this._decoderMode?new w.Z:new C.Z,url:e}}if(!(e=4===this._decoderMode?o:n)){this._workerErrorCallback("no found decoder url, decodeMode:".concat(this._decoderMode));return}return{decoder:new T.Z,url:e}}},{key:"_initWorker",value:function(){this.isHevc&&(this._threadSupported&&(this._decoderMode=1),this._simdSuppported&&(this._decoderMode=2)),this._initDecodeWorkerInternal()}},{key:"_initDecodeWorkerInternal",value:function(){var e=x.Z.getCachedDecoder(this.isHevc);if(e){l.kg.warn(this.TAG,"select decoder from cache"),this.analyse.addWasmInit(),this._avccpushed=!1,this._bindWorkerEvent(e),this._decoderWorker=e,e.ready&&(this._decoderReady=!0,this._initDecoderWithConfiguration(e,this.meta),this._workerMessageCallback({type:"DECODER_READY",data:e}),l.kg.log(this.TAG,"decoder ready!"));return}var t=this._selectDecodeWorker()||{},n=t.decoder,r=t.url;n&&(this._avccpushed=!1,this._bindWorkerEvent(n),n.isHevc=this.isHevc,n.postMessage({msg:"init",meta:this.meta,batchDecodeCount:E,url:r}),this._decoderWorker=n)}},{key:"_bindWorkerEvent",value:function(e){var t=this,n=function(n,r){l.kg.log(t.TAG,"worker failed: 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o=e.videoConfigBox(e.findBox(n,[a],r)[0],s);return!!o&&(t[i.trackConfigKey||a]=o,!0)})}),t.pasp=e.pasp(e.findBox(n,["pasp"],r)[0])});default:if((0,u.YW)({sampleEntry:t.type}))return e.videoSampleEntry(t)}}).filter(Boolean)})}},{key:"tenc",value:function(e){return g(e,!1,function(e,t){var n=6;e.default_IsEncrypted=t[n],n+=1,e.default_IV_size=t[n],n+=1,e.default_KID=[];for(var r=0;r<16;r++)e.default_KID.push(m(t[n])),n+=1})}},{key:"schi",value:function(t){return g(t,!1,function(t,n,r){t.tenc=e.tenc(e.findBox(n,["tenc"],r)[0])})}},{key:"sinf",value:function(t){return g(t,!1,function(t,n,r){t.schi=e.schi(e.findBox(n,["schi"],r)[0]),t.frma=e.frma(e.findBox(n,["frma"],r)[0])})}},{key:"frma",value:function(e){return g(e,!1,function(e,t){e.data_format="";for(var n=0;n<4;n++)e.data_format+=String.fromCharCode(t[n])})}},{key:"colr",value:function(e){return g(e,!1,function(t,n){var r=s.J.fromUint8(n);t.data=e.data,t.colorType=r.readString(4),"nclx"===t.colorType||"nclc"===t.colorType?(t.colorPrimaries=r.read(2),t.transferCharacteristics=r.read(2),t.matrixCoefficients=r.read(2),"nclx"===t.colorType&&(t.fullRangeFlag=r.read(1)>>7)):("rICC"===t.colorType||"prof"===t.colorType)&&(t.iccProfile=r.readToUint8())})}},{key:"av01",value:function(t){return g(t,!1,function(t,n,r){var i=h(t,n),a=n.subarray(i);r+=i,t.av1C=e.av1C(e.findBox(a,["av1C"],r)[0]),t.colr=e.colr(e.findBox(a,["colr"],r)[0])})}},{key:"av1C",value:function(e){return g(e,!1,function(t,n){t.data=e.data;var r,i=s.J.fromUint8(n),a=o.A.fromByte(i,4);t.marker=a.read(1),t.version=a.read(7),t.seqProfile=a.read(3),t.seqLevelIdx0=a.read(5),t.seqTier0=a.read(1),t.highBitdepth=a.read(1),t.twelveBit=a.read(1),t.monochrome=a.read(1),t.chromaSubsamplingX=a.read(1),t.chromaSubsamplingY=a.read(1),t.chromaSamplePosition=a.read(2),t.reserved=a.read(3),t.initialPresentationDelayPresent=a.read(1),t.initialPresentationDelayPresent?t.initialPresentationDelayMinusOne=a.read(4):t.initialPresentationDelayMinusOne=0,t.configOBUs=i.readToUint8(),2===t.seqProfile&&1===t.highBitdepth?r=1===t.twelveBit?"12":"10":t.seqProfile<=2&&(r=1===t.highBitdepth?"10":"08"),t.codec=["av01",t.seqProfile,(t.seqLevelIdx0<10?"0"+t.seqLevelIdx0:t.seqLevelIdx0)+(t.seqTier0?"H":"M"),r].join(".")})}},{key:"avc1",value:function(t){return g(t,!1,function(t,n,r){var i=h(t,n),a=n.subarray(i);r+=i,t.avcC=e.avcC(e.findBox(a,["avcC"],r)[0]),t.pasp=e.pasp(e.findBox(a,["pasp"],r)[0])})}},{key:"avcC",value:function(e){return g(e,!1,function(t,n){t.data=e.data,t.configurationVersion=n[0],t.AVCProfileIndication=n[1],t.profileCompatibility=n[2],t.AVCLevelIndication=n[3],t.codec=(0,a.dB)([n[1],n[2],n[3]]),t.lengthSizeMinusOne=3&n[4],t.spsLength=31&n[5],t.sps=[];for(var r=6,i=0;i<t.spsLength;i++){var o=(0,a.i4)(n,r);r+=2,t.sps.push(n.subarray(r,r+o)),r+=o}t.ppsLength=n[r],r+=1,t.pps=[];for(var s=0;s<t.ppsLength;s++){var u=(0,a.i4)(n,r);r+=2,t.pps.push(n.subarray(r,r+=u)),r+=u}})}},{key:"hvc1",value:function(t){return g(t,!1,function(t,n,r){var i=h(t,n),a=n.subarray(i);r+=i,t.hvcC=e.hvcC(e.findBox(a,["hvcC"],r)[0]),t.pasp=e.pasp(e.findBox(a,["pasp"],r)[0])})}},{key:"hvcC",value:function(e){return g(e,!1,function(t,n){t.data=e.data,t.codec="hev1.1.6.L93.B0",t.configurationVersion=n[0];var r=n[1];t.generalProfileSpace=r>>6,t.generalTierFlag=(32&r)>>5,t.generalProfileIdc=31&r,t.generalProfileCompatibility=(0,a.Bh)(n,2),t.generalConstraintIndicatorFlags=n.subarray(6,12),t.generalLevelIdc=n[12],t.avgFrameRate=(0,a.i4)(n,19),t.numOfArrays=n[22],t.vps=[],t.sps=[],t.pps=[];for(var i=23,o=0,s=0,u=0,c=0;c<t.numOfArrays;c++){o=63&n[i],s=(0,a.i4)(n,i+1),i+=3;for(var d,l,f,h=[],v=0;v<s;v++)u=(0,a.i4)(n,i),i+=2,h.push(n.subarray(i,i+u)),i+=u;32===o?(d=t.vps).push.apply(d,h):33===o?(l=t.sps).push.apply(l,h):34===o&&(f=t.pps).push.apply(f,h)}})}},{key:"pasp",value:function(e){return g(e,!1,function(e,t){e.hSpacing=(0,a.Bh)(t),e.vSpacing=(0,a.Bh)(t,4)})}},{key:"mp4a",value:function(t){return g(t,!1,function(t,n,r){var i=v(t,n);t.esds=e.esds(e.findBox(n.subarray(i),["esds"],r+i)[0])})}},{key:"esds",value:function(e){return g(e,!0,function(e,t){e.codec="mp4a.";for(var n=0,r=0,a=0,o=0;t.length;){for(o=t[n=0],r=t[n+1],n+=2;128&r;)a=(127&r)<<7,r=t[n],n+=1;if(a+=127&r,3===o)t=t.subarray(n+3);else if(4===o)e.codec+=(t[n].toString(16)+".").padStart(3,"0"),t=t.subarray(n+13);else if(5===o){var s=e.config=t.subarray(n,n+a),u=(248&s[0])>>3;if(31===u&&s.length>=2&&(u=32+((7&s[0])<<3)+((224&s[1])>>5)),e.objectType=u,e.codec+=u.toString(16),/^mp4a/ig.test(e.codec)&&s.length>=2){var c=(7&s[0])<<1|(128&s[1])>>7;e.samplingFrequencyIndex=c,c<i.W.FREQ.length&&(e.sampleRate=i.W.FREQ[c])}"."===e.codec[e.codec.length-1]&&(e.codec=e.codec.substring(0,e.codec.length-1));return}else{"."===e.codec[e.codec.length-1]&&(e.codec=e.codec.substring(0,e.codec.length-1));return}}})}},{key:"alaw",value:function(e){return g(e,!1,function(e,t){v(e,t)})}},{key:"stts",value:function(e){return g(e,!0,function(e,t){for(var n=(0,a.Bh)(t),r=[],i=4,o=0;o<n;o++)r.push({count:(0,a.Bh)(t,i),delta:(0,a.Bh)(t,i+4)}),i+=8;e.entryCount=n,e.entries=r})}},{key:"ctts",value:function(e){return g(e,!0,function(e,t){var n=(0,a.Bh)(t),r=[],i=4;if(1===e.version)for(var o=0;o<n;o++)r.push({count:(0,a.Bh)(t,i),offset:(0,a.Bh)(t,i+4)}),i+=8;else for(var s=0;s<n;s++)r.push({count:(0,a.Bh)(t,i),offset:-(~(0,a.Bh)(t,i+4)+1)}),i+=8;e.entryCount=n,e.entries=r})}},{key:"stsc",value:function(e){return g(e,!0,function(e,t){for(var n=(0,a.Bh)(t),r=Array(n),i=4,o=0;o<n;o++)r[o]={firstChunk:(0,a.Bh)(t,i),samplesPerChunk:(0,a.Bh)(t,i+4),sampleDescriptionIndex:(0,a.Bh)(t,i+8)},i+=12;e.entryCount=n,e.entries=r})}},{key:"stsz",value:function(e){return g(e,!0,function(e,t){var n=(0,a.Bh)(t),r=(0,a.Bh)(t,4),i=Array(r);if(!n){for(var o=8,s=0;s<r;s++)i[s]=(0,a.Bh)(t,o),o+=4}e.sampleSize=n,e.sampleCount=r,e.entrySizes=i})}},{key:"stco",value:function(e){return g(e,!0,function(e,t){for(var n=(0,a.Bh)(t),r=Array(n),i=4,o=0;o<n;o++)r[o]=(0,a.Bh)(t,i),i+=4;e.entryCount=n,e.entries=r})}},{key:"co64",value:function(e){return g(e,!0,function(e,t){for(var n=(0,a.Bh)(t),r=Array(n),i=4,o=0;o<n;o++)r[o]=(0,a.h9)(t,i),i+=8;e.entryCount=n,e.entries=r})}},{key:"stss",value:function(e){return g(e,!0,function(e,t){for(var n=(0,a.Bh)(t),r=Array(n),i=4,o=0;o<n;o++)r[o]=(0,a.Bh)(t,i),i+=4;e.entryCount=n,e.entries=r})}},{key:"moof",value:function(t){return g(t,!1,function(t,n,r){t.mfhd=e.mfhd(e.findBox(n,["mfhd"],r)[0]),t.traf=e.findBox(n,["traf"],r).map(function(t){return e.traf(t)})})}},{key:"mfhd",value:function(e){return g(e,!0,function(e,t){e.sequenceNumber=(0,a.Bh)(t)})}},{key:"traf",value:function(t){return g(t,!1,function(t,n,r){t.tfhd=e.tfhd(e.findBox(n,["tfhd"],r)[0]),t.tfdt=e.tfdt(e.findBox(n,["tfdt"],r)[0]),t.trun=e.trun(e.findBox(n,["trun"],r)[0])})}},{key:"trun",value:function(e){return g(e,!0,function(e,t){var n=e.version,r=e.flags,i=t.length,o=e.sampleCount=(0,a.Bh)(t),s=4;if(i>4&&1&r&&(e.dataOffset=-(~(0,a.Bh)(t,s)+1),s+=4),i>s&&4&r&&(e.firstSampleFlags=(0,a.Bh)(t,s),s+=4),i>s){e.samples=Array(o);for(var u,c=0;c<o;c++)u={},256&r&&(u.duration=(0,a.Bh)(t,s),s+=4),512&r&&(u.size=(0,a.Bh)(t,s),s+=4),1024&r&&(u.flags=(0,a.Bh)(t,s),s+=4),2048&r&&(n?u.cts=-(~(0,a.Bh)(t,s+4)+1):u.cts=(0,a.Bh)(t,s),s+=4),e.samples[c]=u}})}},{key:"tfdt",value:function(e){return g(e,!0,function(e,t){1===e.version?e.baseMediaDecodeTime=(0,a.h9)(t):e.baseMediaDecodeTime=(0,a.Bh)(t)})}},{key:"probe",value:function(t){return!!e.findBox(t,["ftyp"])}},{key:"parseSampleFlags",value:function(e){return{isLeading:(12&e[0])>>>2,dependsOn:3&e[0],isDependedOn:(192&e[1])>>>6,hasRedundancy:(48&e[1])>>>4,paddingValue:(14&e[1])>>>1,isNonSyncSample:1&e[1],degradationPriority:e[2]<<8|e[3]}}},{key:"moovToTrack",value:function(t,n,r){var a=t.trak;if(a&&a.length){var o=a.find(function(e){var t,n;return(null===(t=e.mdia)||void 0===t?void 0:null===(n=t.hdlr)||void 0===n?void 0:n.handlerType)==="vide"}),s=a.find(function(e){var t,n;return(null===(t=e.mdia)||void 0===t?void 0:null===(n=t.hdlr)||void 0===n?void 0:n.handlerType)==="soun"});if(o&&n){var d=null===(E=o.tkhd)||void 0===E?void 0:E.trackId;null!=d&&(n.id=o.tkhd.trackId),n.tkhdDuration=o.tkhd.duration,n.mvhdDurtion=t.mvhd.duration,n.mvhdTimecale=t.mvhd.timescale,n.timescale=n.formatTimescale=o.mdia.mdhd.timescale,n.duration=o.mdia.mdhd.duration||n.mvhdDurtion/n.mvhdTimecale*n.timescale,n.rotation=o.tkhd.rotation,n.matrix=o.tkhd.matrix,null!==(D=o.edts)&&void 0!==D&&D.elst&&(n.editList=o.edts.elst,n.editListApplied=o.editListApplied);var l=o.mdia.minf.stbl.stsd.entries[0];if(!l)throw Error("unknown video stsd entry");if(n.width=l.width,n.height=l.height,l.pasp&&(n.sarRatio=[l.pasp.hSpacing,l.pasp.vSpacing]),l.av1C)n.codecType=c._e.AV1,n.codec=l.av1C.codec,n.av1C=l.av1C.data,l.colr&&(n.colr=l.colr.data);else if(l.hvcC)n.codecType=c._e.HEVC,n.codec=l.hvcC.codec,n.vps=l.hvcC.vps,n.sps=l.hvcC.sps,n.pps=l.hvcC.pps,n.hvcC=l.hvcC.data;else if(l.avcC)n.codec=l.avcC.codec,n.sps=l.avcC.sps,n.pps=l.avcC.pps;else if(l.vvcC){var f,h,v,g,p,m,_,y,b,k,C,w,T,x,E,D,S,R,A,I,L,B,P,N,O="encv"===l.type?null===(P=l.sinf)||void 0===P?void 0:null===(N=P.frma)||void 0===N?void 0:N.data_format:l.type,M=(0,u.YW)({sampleEntry:O})||(0,u.YW)({configBox:"vvcC"});if(!(null!=M&&M.applyTrackConfig))throw Error("video codec parser is not registered: ".concat(O||"vvcC"));M.applyTrackConfig({track:n,entry:l,config:l.vvcC,parser:e})}else throw Error("unknown video stsd entry");n.present=!0,n.ext={},n.ext.stss=null===(S=o.mdia)||void 0===S?void 0:null===(R=S.minf)||void 0===R?void 0:null===(A=R.stbl)||void 0===A?void 0:A.stss,n.ext.ctts=null===(I=o.mdia)||void 0===I?void 0:null===(L=I.minf)||void 0===L?void 0:null===(B=L.stbl)||void 0===B?void 0:B.ctts,l&&"encv"===l.type&&(n.isVideoEncryption=!0,l.default_KID=null===(v=l.sinf)||void 0===v?void 0:null===(g=v.schi)||void 0===g?void 0:g.tenc.default_KID,l.default_IsEncrypted=null===(p=l.sinf)||void 0===p?void 0:null===(m=p.schi)||void 0===m?void 0:m.tenc.default_IsEncrypted,l.default_IV_size=null===(_=l.sinf)||void 0===_?void 0:null===(y=_.schi)||void 0===y?void 0:y.tenc.default_IV_size,n.videoSenc=null===(b=o.mdia)||void 0===b?void 0:null===(k=b.minf)||void 0===k?void 0:null===(C=k.stbl)||void 0===C?void 0:null===(w=C.senc)||void 0===w?void 0:w.samples,l.data_format=null===(T=l.sinf)||void 0===T?void 0:null===(x=T.frma)||void 0===x?void 0:x.data_format,n.useEME=t.useEME,n.kidValue=t.kidValue,n.pssh=t.pssh,n.encv=l)}if(s&&r){var Z,W,F,V,z,U,j,G,H,Y,J,q,X,Q,K,$,ee,et,en=null===(Z=s.tkhd)||void 0===Z?void 0:Z.trackId;null!=en&&(r.id=s.tkhd.trackId),r.tkhdDuration=s.tkhd.duration,r.mvhdDurtion=t.mvhd.duration,r.mvhdTimecale=t.mvhd.timescale,r.timescale=r.formatTimescale=s.mdia.mdhd.timescale,r.duration=s.mdia.mdhd.duration||r.mvhdDurtion/r.mvhdTimecale*r.timescale,null!==(W=s.edts)&&void 0!==W&&W.elst&&(r.editList=s.edts.elst,r.editListApplied=s.editListApplied);var er=s.mdia.minf.stbl.stsd.entries[0];switch(r.sampleSize=er.sampleSize,r.sampleRate=function(e){var t,n=0;return(n="mp4a"===e.type?e.sampleRate>0?e.sampleRate:null===(t=e.esds)||void 0===t?void 0:t.sampleRate:e.sampleRate)||0}(er),r.channelCount=er.channelCount,r.present=!0,er.type){case"alaw":r.codecType=r.codec=c.yQ.G711PCMA,r.sampleRate=8e3;break;case"ulaw":r.codecType=r.codec=c.yQ.G711PCMU,r.sampleRate=8e3;break;default:r.sampleDuration=i.W.getFrameDuration(r.sampleRate,r.timescale),r.sampleRateIndex=i.W.getRateIndexByRate(r.sampleRate),r.objectType=(null===(f=er.esds)||void 0===f?void 0:f.objectType)||2,er.esds&&(r.config=Array.from(er.esds.config)),r.codec=(null===(h=er.esds)||void 0===h?void 0:h.codec)||"mp4a.40.2"}r.sampleDuration=i.W.getFrameDuration(r.sampleRate,r.timescale),r.objectType=(null===(F=er.esds)||void 0===F?void 0:F.objectType)||2,er.esds&&er.esds.config&&(r.config=Array.from(er.esds.config)),r.codec=(null===(V=er.esds)||void 0===V?void 0:V.codec)||"mp4a.40.2",r.sampleRateIndex=i.W.getRateIndexByRate(r.sampleRate),r.ext={},r.ext.stss=null===(z=s.mdia)||void 0===z?void 0:null===(U=z.minf)||void 0===U?void 0:null===(j=U.stbl)||void 0===j?void 0:j.stss,r.ext.ctts=null===(G=s.mdia)||void 0===G?void 0:null===(H=G.minf)||void 0===H?void 0:null===(Y=H.stbl)||void 0===Y?void 0:Y.ctts,r.present=!0,er&&"enca"===er.type&&(r.isAudioEncryption=!0,er.data_format=null===(J=er.sinf)||void 0===J?void 0:null===(q=J.frma)||void 0===q?void 0:q.data_format,er.default_KID=null===(X=er.sinf)||void 0===X?void 0:null===(Q=X.schi)||void 0===Q?void 0:Q.tenc.default_KID,er.default_IsEncrypted=null===(K=er.sinf)||void 0===K?void 0:null===($=K.schi)||void 0===$?void 0:$.tenc.default_IsEncrypted,er.default_IV_size=null===(ee=er.sinf)||void 0===ee?void 0:null===(et=ee.schi)||void 0===et?void 0:et.tenc.default_IV_size,r.audioSenc=s.mdia.minf.stbl.senc&&s.mdia.minf.stbl.senc.samples,r.useEME=t.useEME,r.kidValue=t.kidValue,r.enca=er)}if(r&&(r.isVideoEncryption=!!n&&n.isVideoEncryption),n&&(n.isAudioEncryption=!!r&&r.isAudioEncryption),null!=n&&n.encv||null!=r&&r.enca){var ei,ea,eo=null==n?void 0:null===(ei=n.encv)||void 0===ei?void 0:ei.default_KID,es=null==r?void 0:null===(ea=r.enca)||void 0===ea?void 0:ea.default_KID,eu=eo||es?(eo||es).join(""):null;n&&(n.kid=eu),r&&(r.kid=eu)}return n&&(n.flags=3841),r&&(r.flags=1793),{videoTrack:n,audioTrack:r}}}},{key:"evaluateDefaultDuration",value:function(e,t,n){var r,i=null==t?void 0:null===(r=t.samples)||void 0===r?void 0:r.length;return i?1024*i/t.timescale*e.timescale/n:1024}},{key:"moofToSamples",value:function(t,n,r){var i={};return t.mfhd&&(n&&(n.sequenceNumber=t.mfhd.sequenceNumber),r&&(r.sequenceNumber=t.mfhd.sequenceNumber)),t.traf.forEach(function(t){var a=t.tfhd,o=t.tfdt,s=t.trun;if(a&&s){o&&(n&&n.id===a.trackId&&(n.baseMediaDecodeTime=o.baseMediaDecodeTime),r&&r.id===a.trackId&&(r.baseMediaDecodeTime=o.baseMediaDecodeTime));var u=a.defaultSampleSize||0,c=a.defaultSampleDuration||e.evaluateDefaultDuration(n,r,s.samples.length||s.sampleCount),d=s.dataOffset||0,l=0,f=-1;if(!s.samples.length&&s.sampleCount){i[a.trackId]=Array(s.sampleCount);for(var h=0;h<s.sampleCount;h++)i[a.trackId][h]={offset:d,dts:l,duration:c,size:u},l+=c,d+=u}else i[a.trackId]=s.samples.map(function(e,t){return(e={offset:d,dts:l,pts:l+(e.cts||0),duration:e.duration||c,size:e.size||u,gopId:f,keyframe:0===t||null!==e.flags&&void 0!==e.flags&&(65536&e.flags)>>>0!=65536}).keyframe&&(f++,e.gopId=f),l+=e.duration,d+=e.size,e})}}),i}},{key:"moovToSamples",value:function(e){var t=e.trak;if(!!t&&!!t.length){var n=t.find(function(e){var t,n;return(null===(t=e.mdia)||void 0===t?void 0:null===(n=t.hdlr)||void 0===n?void 0:n.handlerType)==="vide"}),r=t.find(function(e){var t,n;return(null===(t=e.mdia)||void 0===t?void 0:null===(n=t.hdlr)||void 0===n?void 0:n.handlerType)==="soun"});if(n||r){if(n){var i,a,o,s,u=null===(o=n.mdia)||void 0===o?void 0:null===(s=o.minf)||void 0===s?void 0:s.stbl;if(!u)return;var c=u.stts,d=u.stsc,l=u.stsz,h=u.stco,v=u.stss,g=u.ctts;if(!c||!d||!l||!h||!v)return;i=f(c,d,l,h,g,v)}if(r){var p,m,_,y=null===(p=r.mdia)||void 0===p?void 0:null===(m=p.minf)||void 0===m?void 0:m.stbl;if(!y)return;var b=null===(_=r.mdia.mdhd)||void 0===_?void 0:_.timescale,k=y.stts,C=y.stsc,w=y.stsz,T=y.stco;if(!b||!k||!C||!w||!T)return;a=f(k,C,w,T)}return{videoSamples:i,audioSamples:a}}}}}]),e}();function f(e,t,n,r,i,a){var o,s,u,c=[],d=null==i?void 0:i.entries,l=t.entries,f=r.entries,h=n.entrySizes,v=null==a?void 0:a.entries;v&&(o={},v.forEach(function(e){o[e-1]=!0})),d&&(s=[],d.forEach(function(e){for(var t=e.count,n=e.offset,r=0;r<t;r++)s.push(n)}));var g=-1,p=0,m=0,_=0,y=0,b=0,k=l[0].samplesPerChunk,C=l[1]?l[1].firstChunk-1:1/0;return 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