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n,r,i=8,o=8;for(n=0;n<t;n++)0!==o&&(o=(i+(r=this.readEG())+256)%256),i=0===o?i:o}},{key:"readSPS",value:function e(){var t,n,r,i,o,a,s,u,c,l=0,f=0,d=0,h=0,p=1;if(this.readUByte(),t=this.readUByte(),n=this.readBits(5),this.skipBits(3),r=this.readUByte(),this.skipUEG(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var $=this.readUEG();if(3===$&&this.skipBits(1),this.skipUEG(),this.skipUEG(),this.skipBits(1),this.readBoolean())for(c=0,u=3!==$?8:12;c<u;c++)this.readBoolean()&&(c<6?this.skipScalingList(16):this.skipScalingList(64))}this.skipUEG();var v=this.readUEG();if(0===v)this.readUEG();else if(1===v)for(this.skipBits(1),this.skipEG(),this.skipEG(),i=this.readUEG(),c=0;c<i;c++)this.skipEG();if(this.skipUEG(),this.skipBits(1),o=this.readUEG(),a=this.readUEG(),0===(s=this.readBits(1))&&this.skipBits(1),this.skipBits(1),this.readBoolean()&&(l=this.readUEG(),f=this.readUEG(),d=this.readUEG(),h=this.readUEG()),this.readBoolean()&&this.readBoolean()){var y,g=this.readUByte();switch(g){case 1:y=[1,1];break;case 2:y=[12,11];break;case 3:y=[10,11];break;case 4:y=[16,11];break;case 5:y=[40,33];break;case 6:y=[24,11];break;case 7:y=[20,11];break;case 8:y=[32,11];break;case 9:y=[80,33];break;case 10:y=[18,11];break;case 11:y=[15,11];break;case 12:y=[64,33];break;case 13:y=[160,99];break;case 14:y=[4,3];break;case 15:y=[3,2];break;case 16:y=[2,1];break;case 255:y=[this.readUByte()<<8|this.readUByte(),this.readUByte()<<8|this.readUByte()]}y&&(p=y[0]/y[1])}return{width:Math.ceil(((o+1)*16-2*l-2*f)*p),height:(2-s)*(a+1)*16-(s?2:4)*(d+h)}}},{key:"readSliceType",value:function e(){return this.readUByte(),this.readUEG(),this.readUEG()}}],i(e.prototype,t),n&&i(e,n),Object.defineProperty(e,"prototype",{writable:!1}),o}();n.default=o},{"../utils/logger":16}],6:[function(e,t,n){"use strict";function r(e){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof 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e(){return"object"===r(this.handledEvents)&&this.handledEvents.length&&"function"==typeof this.onEvent}},{key:"registerListeners",value:function e(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.wfs.on(e,this.onEvent)}).bind(this))}},{key:"unregisterListeners",value:function e(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.wfs.off(e,this.onEvent)}).bind(this))}},{key:"onEvent",value:function e(t,n){this.onEventGeneric(t,n)}},{key:"onEventGeneric",value:function e(t,n){var r=function e(t,n){var r="on"+t.replace("wfs","");return this[r],this[r].bind(this,n)};try{r.call(this,t,n).call()}catch(i){console.log("internal error happened while processing ".concat(t,":").concat(i.message))}}}],i(e.prototype,t),n&&i(e,n),Object.defineProperty(e,"prototype",{writable:!1}),o}();n.default=a},{"./events":9}],9:[function(e,t,n){"use 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n={type:i.ErrorTypes.NETWORK_ERROR};n.details=i.ErrorDetails.NETWORK_RECV_DATA_TIMEOUT,n.fatal=!0,t.wfs.trigger(o.default.ERROR,n)}}else t.lastRecvDataTime=performance.now()},this.wfs.config.wsMinPacketInterval)}},{key:"kill_timer",value:function e(){this.timer&&(console.log("Websocket close: clear timer"),clearInterval(this.timer),this.timer=void 0)}},{key:"destroy",value:function e(){this.kill_timer(),this.isForceClosed=!0,this.client&&this.client.close(),a.default.prototype.destroy.call(this)}},{key:"onWebsocketAttaching",value:function e(t){(this.kill_timer(),this.create_timer(),"MJPEG"===t.mediaType)?(this.mediaCode=1,this.ctx=t.media.getContext("2d")):this.mediaCode=0,this.websocketName=t.websocketName,this.media=t.media,this.mediaType=t.mediaType,this.channelName=t.channelName,this.extraData=t.extraData,t.websocket instanceof 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t=n.ctx,r=new Image,i=n.extraData.mjpeg_w,o=n.extraData.mjpeg_h,a=n.extraData.sizeOptionInd,s=n.extraData.getObjectFitSize;r.onload=function(){if(t.clearRect(0,0,i,o),1===a){var e=s(a,i,o,this.width,this.height),n=e.sx,u=e.sy,c=e.swidth,l=e.sheight,f=e.x,d=e.y,h=e.width,p=e.height;t.drawImage(r,n,u,c,l,f,d,h,p)}else t.drawImage(r,0,0,i,o)},r.src=e.target.result}},a.readAsDataURL(t.data)}else console.log("extraData is undefined"),this.extraData=this.wfs.extraData}}}},{key:"onWebsocketDataUploading",value:function e(t){this.client.send(t.data)}},{key:"onWebsocketMessageSending",value:function e(t){this.client.send(JSON.stringify({t:t.commandType,c:t.channelName,v:t.commandValue}))}},{key:"load",value:function 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n.box(n.types.mdia,n.mdhd(t.timescale,t.duration),n.hdlr(t.type),n.minf(t))}},{key:"mfhd",value:function e(t){return n.box(n.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))}},{key:"minf",value:function e(t){return"audio"===t.type?n.box(n.types.minf,n.box(n.types.smhd,n.SMHD),n.DINF,n.stbl(t)):n.box(n.types.minf,n.box(n.types.vmhd,n.VMHD),n.DINF,n.stbl(t))}},{key:"moof",value:function e(t,r,i){return n.box(n.types.moof,n.mfhd(t),n.traf(i,r))}},{key:"moov",value:function e(t){for(var r=t.length,i=[];r--;)i[r]=n.trak(t[r]);return n.box.apply(null,[n.types.moov,n.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(n.mvex(t)))}},{key:"mvex",value:function e(t){for(var r=t.length,i=[];r--;)i[r]=n.trex(t[r]);return n.box.apply(null,[n.types.mvex].concat(i))}},{key:"mvhd",value:function e(t,r){r=0;var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,2,t>>24&255,t>>16&255,t>>8&255,255&t,r>>24&255,r>>16&255,r>>8&255,255&r,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return n.box(n.types.mvhd,i)}},{key:"sdtp",value:function e(t){var r,i,o=t.samples||[],a=new Uint8Array(4+o.length);for(i=0;i<o.length;i++)r=o[i].flags,a[i+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return n.box(n.types.sdtp,a)}},{key:"stbl",value:function e(t){return n.box(n.types.stbl,n.stsd(t),n.box(n.types.stts,n.STTS),n.box(n.types.stsc,n.STSC),n.box(n.types.stsz,n.STSZ),n.box(n.types.stco,n.STCO))}},{key:"avc1",value:function e(t){var r,i,o,a=[],s=[];for(r=0;r<t.sps.length;r++)o=(i=t.sps[r]).byteLength,a.push(o>>>8&255),a.push(255&o),a=a.concat(Array.prototype.slice.call(i));for(r=0;r<t.pps.length;r++)o=(i=t.pps[r]).byteLength,s.push(o>>>8&255),s.push(255&o),s=s.concat(Array.prototype.slice.call(i));var u=n.box(n.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|t.sps.length].concat(a).concat([t.pps.length]).concat(s))),c=t.width,l=t.height;return n.box(n.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,c>>8&255,255&c,l>>8&255,255&l,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,106,101,102,102,45,121,97,110,47,47,47,103,119,102,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),u,n.box(n.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])))}},{key:"esds",value:function e(t){var n=t.config.length;return new Uint8Array([0,0,0,0,3,23+n,0,1,0,4,15+n,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([n]).concat(t.config).concat([6,1,2]))}},{key:"mp4a",value:function e(t){var r=t.audiosamplerate;return n.box(n.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),n.box(n.types.esds,n.esds(t)))}},{key:"stsd",value:function e(t){return"audio"===t.type?n.box(n.types.stsd,n.STSD,n.mp4a(t)):n.box(n.types.stsd,n.STSD,n.avc1(t))}},{key:"tkhd",value:function e(t){var r=t.id,i=t.duration*t.timescale,o=t.width,a=t.height;return n.box(n.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,o>>8&255,255&o,0,0,a>>8&255,255&a,0,0]))}},{key:"traf",value:function e(t,r){var i=n.sdtp(t),o=t.id;return n.box(n.types.traf,n.box(n.types.tfhd,new Uint8Array([0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o])),n.box(n.types.tfdt,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r])),n.trun(t,i.length+16+16+8+16+8+8),i)}},{key:"trak",value:function e(t){return t.duration=t.duration||4294967295,n.box(n.types.trak,n.tkhd(t),n.mdia(t))}},{key:"trex",value:function e(t){var r=t.id;return n.box(n.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}},{key:"trun",value:function e(t,r){var i,o,a,s,u,c,l=t.samples||[],f=l.length,d=12+16*f,h=new Uint8Array(d);for(r+=8+d,h.set([0,0,15,1,f>>>24&255,f>>>16&255,f>>>8&255,255&f,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<f;i++)a=(o=l[i]).duration,s=o.size,u=o.flags,c=o.cts,h.set([a>>>24&255,a>>>16&255,a>>>8&255,255&a,s>>>24&255,s>>>16&255,s>>>8&255,255&s,u.isLeading<<2|u.dependsOn,u.isDependedOn<<6|u.hasRedundancy<<4|u.paddingValue<<1|u.isNonSync,61440&u.degradPrio,15&u.degradPrio,c>>>24&255,c>>>16&255,c>>>8&255,255&c],12+16*i);return n.box(n.types.trun,h)}},{key:"initSegment",value:function e(t){n.types||n.init();var r,i=n.moov(t);return(r=new Uint8Array(n.FTYP.byteLength+i.byteLength)).set(n.FTYP),r.set(i,n.FTYP.byteLength),r}}],t&&r(e,t),Object.defineProperty(e,"prototype",{writable:!1}),n}();n.default=i},{}],15:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default=void 0;var r=u(e("../helper/aac")),i=u(e("../events")),o=e("../utils/logger"),a=u(e("../remux/mp4-generator")),s=e("../errors");function u(e){return e&&e.__esModule?e:{default:e}}function c(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}e("../utils/polyfill");var l=function(){var e,t,n;function u(e,t,n){!function e(t,n){if(!(t instanceof n))throw TypeError("Cannot call a class as a function")}(this,u),this.observer=e,this.id=t,this.config=n,this.ISGenerated=!1,this.PES2MP4SCALEFACTOR=4,this.PES_TIMESCALE=9e4,this.MP4_TIMESCALE=this.PES_TIMESCALE/this.PES2MP4SCALEFACTOR,this.nextAvcDts=90300,this.H264_TIMEBASE=this.config.mp4Duration,this.genISFailCount=0}return e=u,t=[{key:"passthrough",get:function e(){return!1}},{key:"destroy",value:function e(){}},{key:"insertDiscontinuity",value:function e(){this._initPTS=this._initDTS=void 0}},{key:"switchLevel",value:function e(){this.ISGenerated=!1,this.genISFailCount=0}},{key:"pushVideo",value:function e(t,n,r,i,o){this.level=t,this.sn=n,this.ISGenerated||this.generateVideoIS(r,i),this.ISGenerated&&this.remuxVideo_2(r,i,o)}},{key:"remuxVideo_2",value:function e(t,n,r,s){var u,c,l=8,f=t.samples,d=[];u=new Uint8Array(t.len+4*t.nbNalu+8);var h=new DataView(u.buffer);h.setUint32(0,u.byteLength),u.set(a.default.types.mdat,4);for(var p=0,$=0;$<f.length;$++){for(var v=f[$],y=0;v.units.units.length;){var g=v.units.units.shift();h.setUint32(l,g.data.byteLength),l+=4,u.set(g.data,l),l+=g.data.byteLength,y+=4+g.data.byteLength}var m=v.pts-this._initPTS,_=v.dts-this._initDTS;if(_=Math.min(m,_),void 0!==w)b=this._PTSNormalize(m,w),(p=(E=this._PTSNormalize(_,w))-w)<=0&&(o.logger.log("invalid sample duration at PTS/DTS: ".concat(v.pts,"/").concat(v.dts,"|dts norm: ").concat(E,"|lastDTS: ").concat(w,":").concat(p)),p=1);else{var b,E,w,T,k=this.nextAvcDts;b=this._PTSNormalize(m,k),E=this._PTSNormalize(_,k),k&&600>Math.abs(T=Math.round(E-k))&&T&&(T>1?o.logger.log("AVC:".concat(T," ms hole between fragments detected,filling it")):T<-1&&o.logger.log("AVC:".concat(-T," ms overlapping between fragments detected")),b=Math.max(b-T,E=k),o.logger.log("Video/PTS/DTS adjusted: ".concat(b,"/").concat(E,",delta:").concat(T))),this.firstPTS=Math.max(0,b),this.firstDTS=Math.max(0,E),p=.03}d.push({size:y,duration:this.H264_TIMEBASE,cts:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:v.key?2:1,isNonSync:v.key?0:1}}),w=E}var A=0;if(d.length>=2&&(A=d[d.length-2].duration,d[0].duration=A),this.nextAvcDts=E+A,t.len=0,t.nbNalu=0,t.dropped=0,d.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var S=d[0].flags;S.dependsOn=2,S.isNonSync=0}t.samples=d,c=a.default.moof(t.sequenceNumber++,E,t),t.samples=[];var R={data1:c,data2:u,type:"video"};return this.observer.trigger(i.default.FRAG_PARSING_DATA,R),R}},{key:"generateVideoIS",value:function e(t,n){var r,o,u=this.observer,c=t.samples,l=(this.PES_TIMESCALE,{}),f={id:this.id,level:this.level,sn:this.sn,tracks:l,unique:!1},d=void 0===this._initPTS;d&&(r=o=1/0),t.sps&&t.pps&&c.length&&(t.timescale=9e4,l.video={container:"video/mp4",codec:t.codec,initSegment:a.default.initSegment([t]),metadata:{width:t.width,height:t.height}},d&&(r=Math.min(r,c[0].pts-this.H264_TIMEBASE),o=Math.min(o,c[0].dts-this.H264_TIMEBASE))),Object.keys(l).length?(u.trigger(i.default.FRAG_PARSING_INIT_SEGMENT,f),this.ISGenerated=!0,this.genISFailCount=0,d&&(this._initPTS=r,this._initDTS=o)):(this.genISFailCount++,this.genISFailCount>60&&console.log("generateVideoIS ERROR: ",s.ErrorTypes.MEDIA_ERROR))}},{key:"remux",value:function e(t,n,r,o,a,s,u,c){if(this.level=t,this.sn=n,this.ISGenerated||this.generateIS(r,o,u),this.ISGenerated){if(r.samples.length){var l,f,d=this.remuxAudio(r,u,c);o.samples.length&&(d&&(f=d.endPTS-d.startPTS),this.remuxVideo(o,u,c,f))}else o.samples.length&&(l=this.remuxVideo(o,u,c)),l&&r.codec&&this.remuxEmptyAudio(r,u,c,l)}a.samples.length&&this.remuxID3(a,u),s.samples.length&&this.remuxText(s,u),this.observer.trigger(i.default.FRAG_PARSED,{id:this.id,level:this.level,sn:this.sn})}},{key:"generateIS",value:function e(t,n,r){var u,c,l=this.observer,f=t.samples,d=n.samples,h=this.PES_TIMESCALE,p={},$={id:this.id,level:this.level,sn:this.sn,tracks:p,unique:!1},v=void 0===this._initPTS;v&&(u=c=1/0),t.config&&f.length&&(t.timescale=t.audiosamplerate,t.timescale*t.duration>4294967296&&(t.timescale=t.audiosamplerate/function e(t,n){return n?e(n,t%n):t}(t.audiosamplerate,1024)),o.logger.log("audio mp4 timescale :"+t.timescale),p.audio={container:"audio/mp4",codec:t.codec,initSegment:a.default.initSegment([t]),metadata:{channelCount:t.channelCount}},v&&(u=c=f[0].pts-h*r)),n.sps&&n.pps&&d.length&&(n.timescale=this.MP4_TIMESCALE,p.video={container:"video/mp4",codec:n.codec,initSegment:a.default.initSegment([n]),metadata:{width:n.width,height:n.height}},v&&(u=Math.min(u,d[0].pts-h*r),c=Math.min(c,d[0].dts-h*r))),Object.keys(p).length?(l.trigger(i.default.FRAG_PARSING_INIT_SEGMENT,$),this.ISGenerated=!0,v&&(this._initPTS=u,this._initDTS=c)):l.trigger(i.default.ERROR,{type:s.ErrorTypes.MEDIA_ERROR,id:this.id,details:s.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})}},{key:"remuxAudio",value:function e(t,n,s){var u,c,l,f,d,h,p,$,v,y,g,m,_,b=this.PES_TIMESCALE,E=b/t.timescale,w=1024*t.timescale/t.audiosamplerate,T=8,k=[],A=[];t.samples.sort(function(e,t){return e.pts-t.pts}),A=t.samples;for(var S=s?this.nextAacPts:n*b,R=this._PTSNormalize(A[0].pts-this._initPTS,S),P=w*E,D=R+P,L=1;L<A.length;){var x=A[L],C=this._PTSNormalize(x.pts-this._initPTS,S),O=C-D;if(O<-.5*P)o.logger.log("Dropping frame due to ".concat(Math.abs(O/90)," ms overlap.")),A.splice(L,1),t.len-=x.unit.length;else if(O>.5*P){var I=Math.round(O/P);o.logger.log("Injecting ".concat(I," frame").concat(I>1?"s":""," of missing audio due to ").concat(Math.round(O/90)," ms gap."));for(var N=0;N<I;N++){var F=A[L-1].pts+P,M=r.default.getSilentFrame(t.channelCount);M||(o.logger.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),M=x.unit.slice(0)),A.splice(L,0,{unit:M,pts:F,dts:F}),t.len+=M.length,L+=1}D+=(I+1)*P,x.pts=A[L-1].pts+P,L+=1}else Math.abs(O)>.1*P&&o.logger.log("Invalid frame delta ".concat(C-D+P," at PTS ").concat(Math.round(C/90)," (should be ").concat(P,").")),D+=P,x.pts=A[L-1].pts+P,L+=1}for(;A.length;){if(f=(c=A.shift()).unit,y=c.pts-this._initDTS,g=c.dts-this._initDTS,void 0!==v)m=this._PTSNormalize(y,v),_=this._PTSNormalize(g,v),l.duration=(_-v)/E;else{m=this._PTSNormalize(y,S),_=this._PTSNormalize(g,S);var G=Math.round(1e3*(m-S)/b);if(s&&G){if(G>0)o.logger.log("".concat(G," ms hole between AAC samples detected,filling it"));else if(G<-12){o.logger.log("".concat(-G," ms overlapping between AAC samples detected, drop frame")),t.len-=f.byteLength;continue}m=_=S}if(p=Math.max(0,m),$=Math.max(0,_),!(t.len>0))return;d=new Uint8Array(t.len+8),(u=new DataView(d.buffer)).setUint32(0,d.byteLength),d.set(a.default.types.mdat,4)}d.set(f,T),T+=f.byteLength,l={size:f.byteLength,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},k.push(l),v=_}var B=0,U=k.length;if(U>=2&&(B=k[U-2].duration,l.duration=B),U){this.nextAacPts=m+E*B,t.len=0,t.samples=k,h=a.default.moof(t.sequenceNumber++,$/E,t),t.samples=[];var H={id:this.id,level:this.level,sn:this.sn,data1:h,data2:d,startPTS:p/b,endPTS:this.nextAacPts/b,startDTS:$/b,endDTS:(_+E*B)/b,type:"audio",nb:U};return this.observer.trigger(i.default.FRAG_PARSING_DATA,H),H}return null}},{key:"remuxEmptyAudio",value:function e(t,n,i,a){var s=this.PES_TIMESCALE,u=t.timescale?t.timescale:t.audiosamplerate,c=a.startDTS*s+this._initDTS,l=a.endDTS*s+this._initDTS,f=s/u*1024,d=Math.ceil((l-c)/f),h=r.default.getSilentFrame(t.channelCount);if(!h){o.logger.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");return}for(var p=[],$=0;$<d;$++){var v=c+$*f;p.push({unit:h.slice(0),pts:v,dts:v}),t.len+=h.length}t.samples=p,this.remuxAudio(t,n,i)}},{key:"remuxID3",value:function e(t,n){var r,o=t.samples.length;if(o){for(var a=0;a<o;a++)(r=t.samples[a]).pts=(r.pts-this._initPTS)/this.PES_TIMESCALE,r.dts=(r.dts-this._initDTS)/this.PES_TIMESCALE;this.observer.trigger(i.default.FRAG_PARSING_METADATA,{id:this.id,level:this.level,sn:this.sn,samples:t.samples})}t.samples=[]}},{key:"remuxText",value:function e(t,n){t.samples.sort(function(e,t){return e.pts-t.pts});var r,o=t.samples.length;if(o){for(var a=0;a<o;a++)(r=t.samples[a]).pts=(r.pts-this._initPTS)/this.PES_TIMESCALE;this.observer.trigger(i.default.FRAG_PARSING_USERDATA,{id:this.id,level:this.level,sn:this.sn,samples:t.samples})}t.samples=[]}},{key:"_PTSNormalize",value:function e(t,n){var r;if(void 0===n)return t;for(r=n<t?-8589934592:8589934592;Math.abs(t-n)>4294967296;)t+=r;return t}}],c(e.prototype,t),n&&c(e,n),Object.defineProperty(e,"prototype",{writable:!1}),u}();n.default=l},{"../errors":7,"../events":9,"../helper/aac":10,"../remux/mp4-generator":14,"../utils/logger":16,"../utils/polyfill":18}],16:[function(e,t,n){"use strict";function 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