@tianfeng98/hls.js/dist/hls.worker.js

HLS.js is a JavaScript library that supports playing MPEG-TS and HEVC encoded HLS streams in browsers with support for MSE.

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e.MEDIA_ATTACHING="hlsMediaAttaching",e.MEDIA_ATTACHED="hlsMediaAttached",e.MEDIA_DETACHING="hlsMediaDetaching",e.MEDIA_DETACHED="hlsMediaDetached",e.BUFFER_RESET="hlsBufferReset",e.BUFFER_CODECS="hlsBufferCodecs",e.BUFFER_CREATED="hlsBufferCreated",e.BUFFER_APPENDING="hlsBufferAppending",e.BUFFER_APPENDED="hlsBufferAppended",e.BUFFER_EOS="hlsBufferEos",e.BUFFER_FLUSHING="hlsBufferFlushing",e.BUFFER_FLUSHED="hlsBufferFlushed",e.MANIFEST_LOADING="hlsManifestLoading",e.MANIFEST_LOADED="hlsManifestLoaded",e.MANIFEST_PARSED="hlsManifestParsed",e.LEVEL_SWITCHING="hlsLevelSwitching",e.LEVEL_SWITCHED="hlsLevelSwitched",e.LEVEL_LOADING="hlsLevelLoading",e.LEVEL_LOADED="hlsLevelLoaded",e.LEVEL_UPDATED="hlsLevelUpdated",e.LEVEL_PTS_UPDATED="hlsLevelPtsUpdated",e.LEVELS_UPDATED="hlsLevelsUpdated",e.AUDIO_TRACKS_UPDATED="hlsAudioTracksUpdated",e.AUDIO_TRACK_SWITCHING="hlsAudioTrackSwitching",e.AUDIO_TRACK_SWITCHED="hlsAudioTrackSwitched",e.AUDIO_TRACK_LOADING="hlsAudioTrackLoading",e.AUDIO_TRACK_LOADED="hlsAudioTrackLoaded",e.SUBTITLE_TRACKS_UPDATED="hlsSubtitleTracksUpdated",e.SUBTITLE_TRACKS_CLEARED="hlsSubtitleTracksCleared",e.SUBTITLE_TRACK_SWITCH="hlsSubtitleTrackSwitch",e.SUBTITLE_TRACK_LOADING="hlsSubtitleTrackLoading",e.SUBTITLE_TRACK_LOADED="hlsSubtitleTrackLoaded",e.SUBTITLE_FRAG_PROCESSED="hlsSubtitleFragProcessed",e.CUES_PARSED="hlsCuesParsed",e.NON_NATIVE_TEXT_TRACKS_FOUND="hlsNonNativeTextTracksFound",e.INIT_PTS_FOUND="hlsInitPtsFound",e.FRAG_LOADING="hlsFragLoading",e.FRAG_LOAD_EMERGENCY_ABORTED="hlsFragLoadEmergencyAborted",e.FRAG_LOADED="hlsFragLoaded",e.FRAG_DECRYPTED="hlsFragDecrypted",e.FRAG_PARSING_INIT_SEGMENT="hlsFragParsingInitSegment",e.FRAG_PARSING_USERDATA="hlsFragParsingUserdata",e.FRAG_PARSING_METADATA="hlsFragParsingMetadata",e.FRAG_PARSED="hlsFragParsed",e.FRAG_BUFFERED="hlsFragBuffered",e.FRAG_CHANGED="hlsFragChanged",e.FPS_DROP="hlsFpsDrop",e.FPS_DROP_LEVEL_CAPPING="hlsFpsDropLevelCapping",e.MAX_AUTO_LEVEL_UPDATED="hlsMaxAutoLevelUpdated",e.ERROR="hlsError",e.DESTROYING="hlsDestroying",e.KEY_LOADING="hlsKeyLoading",e.KEY_LOADED="hlsKeyLoaded",e.LIVE_BACK_BUFFER_REACHED="hlsLiveBackBufferReached",e.BACK_BUFFER_REACHED="hlsBackBufferReached",e.STEERING_MANIFEST_LOADED="hlsSteeringManifestLoaded",e}({}),t=function(e){return e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError",e}({}),r=function(e){return e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_NO_CONFIGURED_LICENSE="keySystemNoConfiguredLicense",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED="keySystemServerCertificateRequestFailed",e.KEY_SYSTEM_SERVER_CERTIFICATE_UPDATE_FAILED="keySystemServerCertificateUpdateFailed",e.KEY_SYSTEM_SESSION_UPDATE_FAILED="keySystemSessionUpdateFailed",e.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED="keySystemStatusOutputRestricted",e.KEY_SYSTEM_STATUS_INTERNAL_ERROR="keySystemStatusInternalError",e.MANIFEST_LOAD_ERROR="manifestLoadError",e.MANIFEST_LOAD_TIMEOUT="manifestLoadTimeOut",e.MANIFEST_PARSING_ERROR="manifestParsingError",e.MANIFEST_INCOMPATIBLE_CODECS_ERROR="manifestIncompatibleCodecsError",e.LEVEL_EMPTY_ERROR="levelEmptyError",e.LEVEL_LOAD_ERROR="levelLoadError",e.LEVEL_LOAD_TIMEOUT="levelLoadTimeOut",e.LEVEL_PARSING_ERROR="levelParsingError",e.LEVEL_SWITCH_ERROR="levelSwitchError",e.AUDIO_TRACK_LOAD_ERROR="audioTrackLoadError",e.AUDIO_TRACK_LOAD_TIMEOUT="audioTrackLoadTimeOut",e.SUBTITLE_LOAD_ERROR="subtitleTrackLoadError",e.SUBTITLE_TRACK_LOAD_TIMEOUT="subtitleTrackLoadTimeOut",e.FRAG_LOAD_ERROR="fragLoadError",e.FRAG_LOAD_TIMEOUT="fragLoadTimeOut",e.FRAG_DECRYPT_ERROR="fragDecryptError",e.FRAG_PARSING_ERROR="fragParsingError",e.FRAG_GAP="fragGap",e.REMUX_ALLOC_ERROR="remuxAllocError",e.KEY_LOAD_ERROR="keyLoadError",e.KEY_LOAD_TIMEOUT="keyLoadTimeOut",e.BUFFER_ADD_CODEC_ERROR="bufferAddCodecError",e.BUFFER_INCOMPATIBLE_CODECS_ERROR="bufferIncompatibleCodecsError",e.BUFFER_APPEND_ERROR="bufferAppendError",e.BUFFER_APPENDING_ERROR="bufferAppendingError",e.BUFFER_STALLED_ERROR="bufferStalledError",e.BUFFER_FULL_ERROR="bufferFullError",e.BUFFER_SEEK_OVER_HOLE="bufferSeekOverHole",e.BUFFER_NUDGE_ON_STALL="bufferNudgeOnStall",e.INTERNAL_EXCEPTION="internalException",e.INTERNAL_ABORTED="aborted",e.UNKNOWN="unknown",e}({}),a=function(){function e(e,t){this.subtle=void 0,this.aesIV=void 0,this.subtle=e,this.aesIV=t}return e.prototype.decrypt=function(e,t){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e)},e}(),i=function(){function e(e,t){this.subtle=void 0,this.key=void 0,this.subtle=e,this.key=t}return e.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},e}();function n(e,t,r){return Uint8Array.prototype.slice?e.slice(t,r):new Uint8Array(Array.prototype.slice.call(e,t,r))}var s=function(){function e(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.ksRows=0,this.keySize=0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.initTable()}var 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Uint32Array(d),l=this.invKeySchedule=new Uint32Array(d),h=this.sBox,f=this.rcon,p=this.invSubMix,m=p[0],v=p[1],y=p[2],g=p[3];for(n=0;n<d;n++)n<i?o=c[n]=t[n]:(u=o,n%i==0?(u=h[(u=u<<8|u>>>24)>>>24]<<24|h[u>>>16&255]<<16|h[u>>>8&255]<<8|h[255&u],u^=f[n/i|0]<<24):i>6&&n%i==4&&(u=h[u>>>24]<<24|h[u>>>16&255]<<16|h[u>>>8&255]<<8|h[255&u]),c[n]=o=(c[n-i]^u)>>>0);for(s=0;s<d;s++)n=d-s,u=3&s?c[n]:c[n-4],l[s]=s<4||n<=4?u:m[h[u>>>24]]^v[h[u>>>16&255]]^y[h[u>>>8&255]]^g[h[255&u]],l[s]=l[s]>>>0}},t.networkToHostOrderSwap=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},t.decrypt=function(e,t,r){for(var a,i,n,s,o,u,d,c,l,h,f,p,m,v,y=this.keySize+6,g=this.invKeySchedule,b=this.invSBox,S=this.invSubMix,E=S[0],T=S[1],_=S[2],A=S[3],x=this.uint8ArrayToUint32Array_(r),R=x[0],w=x[1],U=x[2],k=x[3],P=new Int32Array(e),D=new 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r=e,a=this.videoTrack,i=this.txtTrack;if(this.config.progressive){this.remainderData&&(r=ue(this.remainderData,e));var s=function(e){var t={valid:null,remainder:null},r=ee(e,["moof"]);if(r.length<2)return t.remainder=e,t;var a=r[r.length-1];return t.valid=n(e,0,a.byteOffset-8),t.remainder=n(e,a.byteOffset-8),t}(r);this.remainderData=s.remainder,a.samples=s.valid||new Uint8Array}else a.samples=r;var o=this.extractID3Track(a,t);return i.samples=de(t,a),{videoTrack:a,audioTrack:this.audioTrack,id3Track:o,textTrack:this.txtTrack}},t.flush=function(){var e=this.timeOffset,t=this.videoTrack,r=this.txtTrack;t.samples=this.remainderData||new Uint8Array,this.remainderData=null;var a=this.extractID3Track(t,this.timeOffset);return r.samples=de(e,t),{videoTrack:t,audioTrack:ve(),id3Track:a,textTrack:ve()}},t.extractID3Track=function(e,t){var r=this.id3Track;if(e.samples.length){var a=ee(e.samples,["emsg"]);a&&a.forEach((function(e){var a=function(e){var t=e[0],r="",a="",i=0,n=0,s=0,o=0,u=0,d=0;if(0===t){for(;"\0"!==X(e.subarray(d,d+1));)r+=X(e.subarray(d,d+1)),d+=1;for(r+=X(e.subarray(d,d+1)),d+=1;"\0"!==X(e.subarray(d,d+1));)a+=X(e.subarray(d,d+1)),d+=1;a+=X(e.subarray(d,d+1)),d+=1,i=J(e,12),n=J(e,16),o=J(e,20),u=J(e,24),d=28}else if(1===t){i=J(e,d+=4);var c=J(e,d+=4),l=J(e,d+=4);for(d+=4,s=Math.pow(2,32)*c+l,Number.isSafeInteger(s)||(s=Number.MAX_SAFE_INTEGER,h.warn("Presentation time exceeds safe integer limit and wrapped to max safe integer in parsing emsg box")),o=J(e,d),u=J(e,d+=4),d+=4;"\0"!==X(e.subarray(d,d+1));)r+=X(e.subarray(d,d+1)),d+=1;for(r+=X(e.subarray(d,d+1)),d+=1;"\0"!==X(e.subarray(d,d+1));)a+=X(e.subarray(d,d+1)),d+=1;a+=X(e.subarray(d,d+1)),d+=1}return{schemeIdUri:r,value:a,timeScale:i,presentationTime:s,presentationTimeDelta:n,eventDuration:o,id:u,payload:e.subarray(d,e.byteLength)}}(e);if(Me.test(a.schemeIdUri)){var i=b(a.presentationTime)?a.presentationTime/a.timeScale:t+a.presentationTimeDelta/a.timeScale,n=4294967295===a.eventDuration?Number.POSITIVE_INFINITY:a.eventDuration/a.timeScale;n<=.001&&(n=Number.POSITIVE_INFINITY);var s=a.payload;r.samples.push({data:s,len:s.byteLength,dts:i,pts:i,type:me,duration:n})}}))}return r},t.demuxSampleAes=function(e,t,r){return Promise.reject(new Error("The MP4 demuxer does not support SAMPLE-AES decryption"))},t.destroy=function(){},e}(),Ge=function(e,t){var r=0,a=5;t+=a;for(var i=new Uint32Array(1),n=new Uint32Array(1),s=new Uint8Array(1);a>0;){s[0]=e[t];var o=Math.min(a,8),u=8-o;n[0]=4278190080>>>24+u<<u,i[0]=(s[0]&n[0])>>u,r=r?r<<o|i[0]:i[0],t+=1,a-=o}return r},Ve=function(e){function t(t){var r;return(r=e.call(this)||this).observer=void 0,r.observer=t,r}y(t,e);var r=t.prototype;return r.resetInitSegment=function(t,r,a,i){e.prototype.resetInitSegment.call(this,t,r,a,i),this._audioTrack={container:"audio/ac-3",type:"audio",id:2,pid:-1,sequenceNumber:0,segmentCodec:"ac3",samples:[],manifestCodec:r,duration:i,inputTimeScale:9e4,dropped:0}},r.canParse=function(e,t){return t+64<e.length},r.appendFrame=function(e,t,r){var a=Ke(e,t,r,this.basePTS,this.frameIndex);if(-1!==a)return{sample:e.samples[e.samples.length-1],length:a,missing:0}},t.probe=function(e){if(!e)return!1;var t=D(e,0);if(!t)return!1;var r=t.length;return 11===e[r]&&119===e[r+1]&&void 0!==L(t)&&Ge(e,r)<16},t}(ye);function Ke(e,t,r,a,i){if(r+8>t.length)return-1;if(11!==t[r]||119!==t[r+1])return-1;var n=t[r+4]>>6;if(n>=3)return-1;var s=[48e3,44100,32e3][n],o=63&t[r+4],u=2*[64,69,96,64,70,96,80,87,120,80,88,120,96,104,144,96,105,144,112,121,168,112,122,168,128,139,192,128,140,192,160,174,240,160,175,240,192,208,288,192,209,288,224,243,336,224,244,336,256,278,384,256,279,384,320,348,480,320,349,480,384,417,576,384,418,576,448,487,672,448,488,672,512,557,768,512,558,768,640,696,960,640,697,960,768,835,1152,768,836,1152,896,975,1344,896,976,1344,1024,1114,1536,1024,1115,1536,1152,1253,1728,1152,1254,1728,1280,1393,1920,1280,1394,1920][3*o+n];if(r+u>t.length)return-1;var d=t[r+6]>>5,c=0;2===d?c+=2:(1&d&&1!==d&&(c+=2),4&d&&(c+=2));var l=(t[r+6]<<8|t[r+7])>>12-c&1,h=[2,1,2,3,3,4,4,5][d]+l,f=t[r+5]>>3,p=7&t[r+5],m=new Uint8Array([n<<6|f<<1|p>>2,(3&p)<<6|d<<3|l<<2|o>>4,o<<4&224]),v=a+i*(1536/s*9e4),y=t.subarray(r,r+u);return e.config=m,e.channelCount=h,e.samplerate=s,e.samples.push({unit:y,pts:v}),u}var Ye=function(){function e(){this.VideoSample=null}var t=e.prototype;return t.createVideoSample=function(e,t,r,a){return{key:e,frame:!1,pts:t,dts:r,units:[],debug:a,length:0}},t.getLastNalUnit=function(e){var t,r,a=this.VideoSample;if(a&&0!==a.units.length||(a=e[e.length-1]),null!=(t=a)&&t.units){var i=a.units;r=i[i.length-1]}return r},t.pushAccessUnit=function(e,t){if(e.units.length&&e.frame){if(void 0===e.pts){var r=t.samples,a=r.length;if(!a)return void t.dropped++;var i=r[a-1];e.pts=i.pts,e.dts=i.dts}t.samples.push(e)}e.debug.length&&h.log(e.pts+"/"+e.dts+":"+e.debug)},e}(),ze=function(){function e(e){this.data=void 0,this.bytesAvailable=void 0,this.word=void 0,this.bitsAvailable=void 0,this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,a=new Uint8Array(4),i=Math.min(4,t);if(0===i)throw new Error("no bytes available");a.set(e.subarray(r,r+i)),this.word=new 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e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){for(var t=8,r=8,a=0;a<e;a++)0!==r&&(r=(t+this.readEG()+256)%256),t=0===r?t:r},t.readSPS=function(){var e,t,r,a=0,i=0,n=0,s=0,o=this.readUByte.bind(this),u=this.readBits.bind(this),d=this.readUEG.bind(this),c=this.readBoolean.bind(this),l=this.skipBits.bind(this),h=this.skipEG.bind(this),f=this.skipUEG.bind(this),p=this.skipScalingList.bind(this);o();var m=o();if(u(5),l(3),o(),f(),100===m||110===m||122===m||244===m||44===m||83===m||86===m||118===m||128===m){var v=d();if(3===v&&l(1),f(),f(),l(1),c())for(t=3!==v?8:12,r=0;r<t;r++)c()&&p(r<6?16:64)}f();var y=d();if(0===y)d();else if(1===y)for(l(1),h(),h(),e=d(),r=0;r<e;r++)h();f(),l(1);var g=d(),b=d(),S=u(1);0===S&&l(1),l(1),c()&&(a=d(),i=d(),n=d(),s=d());var E=[1,1];if(c()&&c())switch(o()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[o()<<8|o(),o()<<8|o()]}return{width:Math.ceil(16*(g+1)-2*a-2*i),height:(2-S)*(b+1)*16-(S?2:4)*(n+s),pixelRatio:E}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t.destroy=function(){this.data=null},e}(),je=function(e){function t(){return e.apply(this,arguments)||this}y(t,e);var r=t.prototype;return r.parseAVCPES=function(e,t,r,a,i){var n,s=this,o=this.parseAVCNALu(e,r.data),u=this.VideoSample,d=!1;r.data=null,u&&o.length&&!e.audFound&&(this.pushAccessUnit(u,e),u=this.VideoSample=this.createVideoSample(!1,r.pts,r.dts,"")),o.forEach((function(a){var o;switch(a.type){case 1:var c=!1;n=!0;var l,h=a.data;if(d&&h.length>4){var f=new ze(h).readSliceType();2!==f&&4!==f&&7!==f&&9!==f||(c=!0)}if(c)null!=(l=u)&&l.frame&&!u.key&&(s.pushAccessUnit(u,e),u=s.VideoSample=null);u||(u=s.VideoSample=s.createVideoSample(!0,r.pts,r.dts,"")),u.frame=!0,u.key=c;break;case 5:n=!0,null!=(o=u)&&o.frame&&!u.key&&(s.pushAccessUnit(u,e),u=s.VideoSample=null),u||(u=s.VideoSample=s.createVideoSample(!0,r.pts,r.dts,"")),u.key=!0,u.frame=!0;break;case 6:n=!0,le(a.data,1,r.pts,t.samples);break;case 7:var p,m;n=!0,d=!0;var v=a.data,y=new ze(v).readSPS();if(!e.sps||e.width!==y.width||e.height!==y.height||(null==(p=e.pixelRatio)?void 0:p[0])!==y.pixelRatio[0]||(null==(m=e.pixelRatio)?void 0:m[1])!==y.pixelRatio[1]){e.width=y.width,e.height=y.height,e.pixelRatio=y.pixelRatio,e.sps=[v],e.duration=i;for(var g=v.subarray(1,4),b="avc1.",S=0;S<3;S++){var E=g[S].toString(16);E.length<2&&(E="0"+E),b+=E}e.codec=b}break;case 8:n=!0,e.pps=[a.data];break;case 9:n=!0,e.audFound=!0,u&&s.pushAccessUnit(u,e),u=s.VideoSample=s.createVideoSample(!1,r.pts,r.dts,"");break;case 12:n=!0;break;default:n=!1,u&&(u.debug+="unknown NAL "+a.type+" ")}u&&n&&u.units.push(a)})),a&&u&&(this.pushAccessUnit(u,e),this.VideoSample=null)},r.parseAVCNALu=function(e,t){var r,a,i=t.byteLength,n=e.naluState||0,s=n,o=[],u=0,d=-1,c=0;for(-1===n&&(d=0,c=31&t[0],n=0,u=1);u<i;)if(r=t[u++],n)if(1!==n)if(r)if(1===r){if(a=u-n-1,d>=0){var l={data:t.subarray(d,a),type:c};o.push(l)}else{var h=this.getLastNalUnit(e.samples);h&&(s&&u<=4-s&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-s)),a>0&&(h.data=ue(h.data,t.subarray(0,a)),h.state=0))}u<i?(d=u,c=31&t[u],n=0):n=-1}else n=0;else n=3;else n=r?0:2;else n=r?0:1;if(d>=0&&n>=0){var f={data:t.subarray(d,i),type:c,state:n};o.push(f)}if(0===o.length){var p=this.getLastNalUnit(e.samples);p&&(p.data=ue(p.data,t))}return e.naluState=n,o},t}(Ye),He=function(){function e(){}return e._ebsp2rbsp=function(e){for(var t=e,r=t.byteLength,a=new Uint8Array(r),i=0,n=0;n<r;n++)n>=2&&3===t[n]&&0===t[n-1]&&0===t[n-2]||(a[i]=t[n],i++);return new Uint8Array(a.buffer,0,i)},e.parseVPS=function(t){var r=e._ebsp2rbsp(t),a=new ze(r);return a.readUByte(),a.readUByte(),a.readBits(4),a.readBits(2),a.readBits(6),{num_temporal_layers:a.readBits(3)+1,temporal_id_nested:a.readBoolean()}},e.parseSPS=function(t){var r=e._ebsp2rbsp(t),a=new ze(r);a.readUByte(),a.readUByte();var i=0,n=0,s=0,o=0;a.readBits(4);var u=a.readBits(3);a.readBoolean();for(var d=a.readBits(2),c=a.readBoolean(),l=a.readBits(5),h=a.readUByte(),f=a.readUByte(),p=a.readUByte(),m=a.readUByte(),v=a.readUByte(),y=a.readUByte(),g=a.readUByte(),b=a.readUByte(),S=a.readUByte(),E=a.readUByte(),T=a.readUByte(),_=[],A=[],x=0;x<u;x++)_.push(a.readBoolean()),A.push(a.readBoolean());if(u>0)for(var R=u;R<8;R++)a.readBits(2);for(var w=0;w<u;w++)_[w]&&(a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte(),a.readUByte()),A[w]&&a.readUByte();a.readUEG();var U=a.readUEG();3==U&&a.readBits(1);var k=a.readUEG(),P=a.readUEG();a.readBoolean()&&(i+=a.readUEG(),n+=a.readUEG(),s+=a.readUEG(),o+=a.readUEG());for(var D=a.readUEG(),C=a.readUEG(),I=a.readUEG(),L=a.readBoolean()?0:u;L<=u;L++)a.readUEG(),a.readUEG(),a.readUEG();if((a.readUEG(),a.readUEG(),a.readUEG(),a.readUEG(),a.readUEG(),a.readUEG(),a.readBoolean())&&a.readBoolean())for(var O=0;O<4;O++)for(var B=0;B<(3===O?2:6);B++){if(a.readBoolean()){var F=Math.min(64,1<<4+(O<<1));O>1&&a.readEG();for(var M=0;M<F;M++)a.readEG()}else a.readUEG()}a.readBoolean(),a.readBoolean(),a.readBoolean()&&(a.readUByte(),a.readUEG(),a.readUEG(),a.readBoolean());for(var N=a.readUEG(),G=0,V=0;V<N;V++){var K=!1;if(0!==V&&(K=a.readBoolean()),K){V===N&&a.readUEG(),a.readBoolean(),a.readUEG();for(var Y=0,z=0;z<=G;z++){var j=a.readBoolean(),H=!1;j||(H=a.readBoolean()),(j||H)&&Y++}G=Y}else{var W=a.readUEG(),q=a.readUEG();G=W+q;for(var X=0;X<W;X++)a.readUEG(),a.readBoolean();for(var Z=0;Z<q;Z++)a.readUEG(),a.readBoolean()}}if(a.readBoolean())for(var J=a.readUEG(),Q=0;Q<J;Q++){for(var $=0;$<I+4;$++)a.readBits(1);a.readBits(1)}var ee=0,te=1,re=1,ae=!1,ie=1,ne=1;if(a.readBoolean(),a.readBoolean(),a.readBoolean()){if(a.readBoolean()){var se=a.readUByte();se>0&&se<=16?(te=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][se-1],re=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][se-1]):255===se&&(te=a.readBits(16),re=a.readBits(16))}if(a.readBoolean()&&a.readBoolean(),a.readBoolean())a.readBits(3),a.readBoolean(),a.readBoolean()&&(a.readUByte(),a.readUByte(),a.readUByte());if(a.readBoolean()&&(a.readUEG(),a.readUEG()),a.readBoolean(),a.readBoolean(),a.readBoolean(),a.readBoolean()&&(a.readUEG(),a.readUEG(),a.readUEG(),a.readUEG()),a.readBoolean())if(ie=a.readBits(32),ne=a.readBits(32),a.readBoolean()&&a.readUEG(),a.readBoolean()){var oe=!1,ue=!1,de=!1;oe=a.readBoolean(),ue=a.readBoolean(),(oe||ue)&&((de=a.readBoolean())&&(a.readUByte(),a.readBits(5),a.readBoolean(),a.readBits(5)),a.readBits(4),a.readBits(4),de&&a.readBits(4),a.readBits(5),a.readBits(5),a.readBits(5));for(var ce=0;ce<=u;ce++){var le=a.readBoolean();ae=le;var he=!0,fe=1;le||(he=a.readBoolean());var pe=!1;if(he?a.readUEG():pe=a.readBoolean(),pe||(fe=a.readUEG()+1),oe){for(var me=0;me<fe;me++)a.readUEG(),a.readUEG(),de&&(a.readUEG(),a.readUEG());a.readBoolean()}if(ue){for(var ve=0;ve<fe;ve++)a.readUEG(),a.readUEG(),de&&(a.readUEG(),a.readUEG());a.readBoolean()}}}a.readBoolean()&&(a.readBoolean(),a.readBoolean(),a.readBoolean(),ee=a.readUEG(),a.readUEG(),a.readUEG(),a.readUEG(),a.readUEG())}a.readBoolean();var ye="hvc1."+l+".1.L"+T+".B0",ge=k-(i+n)*(1===U||2===U?2:1),be=P-(s+o)*(1===U?2:1),Se=1;return 1!==te&&1!==re&&(Se=te/re),a.destroy(),a=null,{codec_mimetype:ye,level_string:e.getLevelString(T),profile_idc:l,bit_depth:D+8,ref_frames:1,chroma_format:U,chroma_format_string:e.getChromaFormatString(U),general_level_idc:T,general_profile_space:d,general_tier_flag:c,general_profile_idc:l,general_profile_compatibility_flags_1:h,general_profile_compatibility_flags_2:f,general_profile_compatibility_flags_3:p,general_profile_compatibility_flags_4:m,general_constraint_indicator_flags_1:v,general_constraint_indicator_flags_2:y,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:b,general_constraint_indicator_flags_5:S,general_constraint_indicator_flags_6:E,min_spatial_segmentation_idc:ee,constant_frame_rate:0,chroma_format_idc:U,bit_depth_luma_minus8:D,bit_depth_chroma_minus8:C,frame_rate:{fixed:ae,fps:ne/ie,fps_den:ie,fps_num:ne},sar_ratio:{width:te,height:re},codec_size:{width:ge,height:be},present_size:{width:ge*Se,height:be}}},e.parsePPS=function(t){var r=e._ebsp2rbsp(t),a=new ze(r);a.readUByte(),a.readUByte(),a.readUEG(),a.readUEG(),a.readBoolean(),a.readBoolean(),a.readBits(3),a.readBoolean(),a.readBoolean(),a.readUEG(),a.readUEG(),a.readEG(),a.readBoolean(),a.readBoolean(),a.readBoolean()&&a.readUEG(),a.readEG(),a.readEG(),a.readBoolean(),a.readBoolean(),a.readBoolean(),a.readBoolean();var i=a.readBoolean(),n=a.readBoolean(),s=1;return n&&i?s=0:n?s=3:i&&(s=2),{parallelismType:s}},e.getChromaFormatString=function(e){switch(e){case 0:return"4:0:0";case 1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}},e.getProfileString=function(e){switch(e){case 1:return"Main";case 2:return"Main10";case 3:return"MainSP";case 4:return"Rext";case 9:return"SCC";default:return"Unknown"}},e.getLevelString=function(e){return(e/30).toFixed(1)},e}(),We=function(e){function t(){return e.apply(this,arguments)||this}y(t,e);var r=t.prototype;return r.parseAVCPES=function(e,t,r,a,i){var n,s=this,o=this.parseAVCNALu(e,r.data),u=this.VideoSample;r.data=null,u&&o.length&&!e.audFound&&(this.pushAccessUnit(u,e),u=this.VideoSample=this.createVideoSample(!1,r.pts,r.dts,"")),o.forEach((function(a){switch(a.type){case 0:case 1:n=!0,u||(u=s.VideoSample=s.createVideoSample(!0,r.pts,r.dts,"")),u.frame=!0;break;case 19:case 20:case 21:n=!0,u||(u=s.VideoSample=s.createVideoSample(!0,r.pts,r.dts,"")),u.key=!0,u.frame=!0;break;case 32:n=!0,e.vps||(e.vps=[a.data]);break;case 33:if(n=!0,!e.sps){var o=a.data,d=He.parseSPS(o);e.width=d.codec_size.width,e.height=d.codec_size.height,e.pixelRatio=[d.sar_ratio.width,d.sar_ratio.height],e.sps=[o],e.duration=i,e.codec=d.codec_mimetype,e.details=p(p({},e.details),d)}break;case 34:if(n=!0,!e.pps){e.pps=[a.data];var c=He.parsePPS(a.data);e.details=p(p({},e.details),c)}break;case 35:n=!1,e.audFound=!0,u&&s.pushAccessUnit(u,e),u=s.VideoSample=s.createVideoSample(!1,r.pts,r.dts,"");break;case 39:n=!0,le(a.data,1,r.pts,t.samples);break;default:n=!0}u&&n&&u.units.push(a)})),a&&u&&(this.pushAccessUnit(u,e),this.VideoSample=null)},r.parseAVCNALu=function(e,t){var r,a,i=t.byteLength,n=e.naluState||0,s=n,o=[],u=0,d=-1,c=0;for(-1===n&&(d=0,c=t[0]>>1&63,n=0,u=1);u<i;)if(r=t[u++],n)if(1!==n)if(r)if(1===r){if(a=u-n-1,d>=0){var l={data:t.subarray(d,a),type:c};o.push(l)}else{var h=this.getLastNalUnit(e.samples);h&&(s&&u<=4-s&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-s)),a>0&&(h.data=ue(h.data,t.subarray(0,a)),h.state=0))}u<i?(d=u,c=t[u]>>1&63,n=0):n=-1}else n=0;else n=3;else n=r?0:2;else n=r?0:1;if(d>=0&&n>=0){var f={data:t.subarray(d,i),type:c,state:n};o.push(f)}if(0===o.length){var p=this.getLastNalUnit(e.samples);p&&(p.data=ue(p.data,t))}return e.naluState=n,o},t}(Ye),qe=function(){function e(e,t,r){this.keyData=void 0,this.decrypter=void 0,this.keyData=r,this.decrypter=new fe(t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e){return this.decrypter.decrypt(e,this.keyData.key.buffer,this.keyData.iv.buffer)},t.decryptAacSample=function(e,t,r){var a=this,i=e[t].unit;if(!(i.length<=16)){var n=i.subarray(16,i.length-i.length%16),s=n.buffer.slice(n.byteOffset,n.byteOffset+n.length);this.decryptBuffer(s).then((function(n){var s=new Uint8Array(n);i.set(s,16),a.decrypter.isSync()||a.decryptAacSamples(e,t+1,r)}))}},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32)&&(this.decryptAacSample(e,t,r),!this.decrypter.isSync()))return}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),a=0,i=32;i<e.length-16;i+=160,a+=16)r.set(e.subarray(i,i+16),a);return r},t.getAvcDecryptedUnit=function(e,t){for(var r=new Uint8Array(t),a=0,i=32;i<e.length-16;i+=160,a+=16)e.set(r.subarray(a,a+16),i);return e},t.decryptAvcSample=function(e,t,r,a,i){var n=this,s=he(i.data),o=this.getAvcEncryptedData(s);this.decryptBuffer(o.buffer).then((function(o){i.data=n.getAvcDecryptedUnit(s,o),n.decrypter.isSync()||n.decryptAvcSamples(e,t,r+1,a)}))},t.decryptAv