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p:D&&(y&&(o=V(y))&&this.parseID3PES(o),y={data:[],size:0}),y&&(y.data.push(e.subarray(k,R+188)),y.size+=R+188-k);break;case 0:D&&(k+=e[k]+1),E=this._pmtId=H(e,k);break;case E:D&&(k+=e[k]+1);var x=K(e,k,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,n);(f=x.avc)>0&&(u.pid=f),(g=x.audio)>0&&(d.pid=g,d.isAAC=x.isAAC),(p=x.id3)>0&&(h.pid=p),b&&!T&&(c.b.log("reparse from beginning"),b=!1,R=L-188),T=this.pmtParsed=!0;break;case 17:case 8191:break;default:b=!0}}else A++;A>0&&this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"Found "+A+" TS packet/s that do not start with 0x47"}),u.pesData=v,d.pesData=m,h.pesData=y;var C={audioTrack:d,avcTrack:u,id3Track:h,textTrack:this._txtTrack};return s&&this.extractRemainingSamples(C),C},e.flush=function(){var t,e=this.remainderData;return this.remainderData=null,t=e?this.demux(e,-1,!1,!0):{audioTrack:this._audioTrack,avcTrack:this._avcTrack,textTrack:this._txtTrack,id3Track:this._id3Track},this.extractRemainingSamples(t),this.sampleAes?this.decrypt(t,this.sampleAes):t},e.extractRemainingSamples=function(t){var e,r=t.audioTrack,i=t.avcTrack,a=t.id3Track,n=i.pesData,s=r.pesData,o=a.pesData;n&&(e=V(n))?(this.parseAVCPES(e,!0),i.pesData=null):i.pesData=n,s&&(e=V(s))?(r.isAAC?this.parseAACPES(e):this.parseMPEGPES(e),r.pesData=null):(null!=s&&s.size&&c.b.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=s),o&&(e=V(o))?(this.parseID3PES(e),a.pesData=null):a.pesData=o},e.demuxSampleAes=function(t,e,r){var i=this.demux(t,r,!0,!this.config.progressive),a=this.sampleAes=new B(this.observer,this.config,e);return this.decrypt(i,a)},e.decrypt=function(t,e){return new Promise((function(r){var i=t.audioTrack,a=t.avcTrack;i.samples&&i.isAAC?e.decryptAacSamples(i.samples,0,(function(){a.samples?e.decryptAvcSamples(a.samples,0,0,(function(){r(t)})):r(t)})):a.samples&&e.decryptAvcSamples(a.samples,0,0,(function(){r(t)}))}))},e.destroy=function(){this._initPTS=this._initDTS=null,this._duration=0},e.parseAVCPES=function(t,e){var r,i=this,a=this._avcTrack,n=this.parseAVCNALu(t.data),s=this.avcSample,l=!1;t.data=null,s&&n.length&&!a.audFound&&(W(s,a),s=this.avcSample=j(!1,t.pts,t.dts,"")),n.forEach((function(e){switch(e.type){case 1:r=!0,s||(s=i.avcSample=j(!0,t.pts,t.dts,"")),s.frame=!0;var n=e.data;if(l&&n.length>4){var u=new N(n).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(s.key=!0)}break;case 5:r=!0,s||(s=i.avcSample=j(!0,t.pts,t.dts,"")),s.key=!0,s.frame=!0;break;case 6:r=!0;var d=new N(X(e.data));d.readUByte();for(var h=0,f=0,c=!1,v=0;!c&&d.bytesAvailable>1;){h=0;do{h+=v=d.readUByte()}while(255===v);f=0;do{f+=v=d.readUByte()}while(255===v);if(4===h&&0!==d.bytesAvailable){if(c=!0,181===d.readUByte())if(49===d.readUShort())if(1195456820===d.readUInt())if(3===d.readUByte()){for(var g=d.readUByte(),p=31&g,m=[g,d.readUByte()],y=0;y16){for(var b=[],T=0;T<16;T++)b.push(d.readUByte().toString(16)),3!==T&&5!==T&&7!==T&&9!==T||b.push("-");for(var E=f-16,S=new Uint8Array(E),L=0;L=0){var h={data:t.subarray(u,l-n-1),type:d};o.push(h)}else{var f=this.getLastNalUnit();if(f&&(s&&l<=4-s&&f.state&&(f.data=f.data.subarray(0,f.data.byteLength-s)),(r=l-n-1)>0)){var c=new Uint8Array(f.data.byteLength+r);c.set(f.data,0),c.set(t.subarray(0,r),f.data.byteLength),f.data=c,f.state=0}}l=0&&n>=0){var v={data:t.subarray(u,i),type:d,state:n};o.push(v)}if(0===o.length){var g=this.getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+t.byteLength);p.set(g.data,0),p.set(t,g.data.byteLength),g.data=p}}return a.naluState=n,o},e.parseAACPES=function(t){var e,r,n,s,o,l=0,u=this._audioTrack,d=this.aacOverFlow,h=t.data;if(d){this.aacOverFlow=null;var f=d.sample.unit.byteLength,v=Math.min(d.missing,f),g=f-v;d.sample.unit.set(h.subarray(0,v),g),u.samples.push(d.sample),l=d.missing}for(e=l,r=h.length;e1;){var l=new Uint8Array(o[0].length+o[1].length);l.set(o[0]),l.set(o[1],o[0].length),o[0]=l,o.splice(1,1)}if(1===((e=o[0])[0]<<16)+(e[1]<<8)+e[2]){if((r=(e[4]<<8)+e[5])&&r>t.size-6)return null;var u=e[7];192&u&&(a=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&u?a-(n=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2)>54e5&&(c.b.warn(Math.round((a-n)/9e4)+"s delta between PTS and DTS, align them"),a=n):n=a);var d=(i=e[8])+9;if(t.size<=d)return null;t.size-=d;for(var h=new Uint8Array(t.size),f=0,v=o.length;fg){d-=g;continue}e=e.subarray(d),g-=d,d=0}h.set(e,s),s+=g}return r&&(r-=i+3),{data:h,pts:a,dts:n,len:r}}return null}function W(t,e){if(t.units.length&&t.frame){if(void 0===t.pts){var r=e.samples,i=r.length;if(!i)return void e.dropped++;var a=r[i-1];t.pts=a.pts,t.dts=a.dts}e.samples.push(t)}t.debug.length&&c.b.log(t.pts+"/"+t.dts+":"+t.debug)}function Y(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts1?r-1:0),a=1;a>24&255,o[1]=e>>16&255,o[2]=e>>8&255,o[3]=255&e,o.set(t,4),n=0,e=8;n>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var i=Math.floor(r/(J+1)),a=Math.floor(r%(J+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,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 t.box(t.types.mvhd,n)},t.sdtp=function(e){var r,i,a=e.samples||[],n=new Uint8Array(4+a.length);for(r=0;r>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255),s.push(255&a),s=s.concat(Array.prototype.slice.call(i));var o=t.box(t.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|e.sps.length].concat(n).concat([e.pps.length]).concat(s))),l=e.width,u=e.height,d=e.pixelRatio[0],h=e.pixelRatio[1];return t.box(t.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,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,h>>24,h>>16&255,h>>8&255,255&h])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,i=e.duration*e.timescale,a=e.width,n=e.height,s=Math.floor(i/(J+1)),o=Math.floor(i%(J+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,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,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},t.traf=function(e,r){var i=t.sdtp(e),a=e.id,n=Math.floor(r/(J+1)),s=Math.floor(r%(J+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),t.trun(e,i.length+16+20+8+16+8+8),i)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.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]))},t.trun=function(e,r){var i,a,n,s,o,l,u=e.samples||[],d=u.length,h=12+16*d,f=new Uint8Array(h);for(r+=8+h,f.set([0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return t.box(t.types.trun,f)},t.initSegment=function(e){t.types||t.init();var r=t.moov(e),i=new Uint8Array(t.FTYP.byteLength+r.byteLength);return i.set(t.FTYP),i.set(r,t.FTYP.byteLength),i},t}();tt.types=void 0,tt.HDLR_TYPES=void 0,tt.STTS=void 0,tt.STSC=void 0,tt.STCO=void 0,tt.STSZ=void 0,tt.VMHD=void 0,tt.SMHD=void 0,tt.STSD=void 0,tt.FTYP=void 0,tt.DINF=void 0;var et=tt,rt=r(4);function it(t,e,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=t*e*r;return i?Math.round(a):a}function at(t,e){return void 0===e&&(e=!1),it(t,1e3,1/9e4,e)}function nt(){return(nt=Object.assign||function(t){for(var e=1;e0?t:r.pts}),t[0].pts);return e&&c.b.debug("PTS rollover detected"),r},e.remux=function(t,e,r,i,a,n,s,o){var l,u,d,h,f,v,g=a,p=a,m=t.pid>-1,y=e.pid>-1,b=e.samples.length,T=t.samples.length>0,E=b>1;if((!m||T)&&(!y||E)||this.ISGenerated||s){this.ISGenerated||(d=this.generateIS(t,e,a));var S=this.isVideoContiguous,L=-1;if(E&&(L=function(t){for(var e=0;e0){c.b.warn("[mp4-remuxer]: Dropped "+L+" out of "+b+" video samples due to a missing keyframe");var A=this.getVideoStartPts(e.samples);e.samples=e.samples.slice(L),e.dropped+=L,p+=(e.samples[0].pts-A)/(e.timescale||9e4)}else-1===L&&(c.b.warn("[mp4-remuxer]: No keyframe found out of "+b+" video samples"),v=!1);if(this.ISGenerated){if(T&&E){var R=this.getVideoStartPts(e.samples),D=(dt(t.samples[0].pts,R)-R)/e.inputTimeScale;g+=Math.max(0,D),p+=Math.max(0,-D)}if(T){if(t.samplerate||(c.b.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),d=this.generateIS(t,e,a)),u=this.remuxAudio(t,g,this.isAudioContiguous,n,y||E||o===rt.b.AUDIO?p:void 0),E){var _=u?u.endPTS-u.startPTS:0;e.inputTimeScale||(c.b.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),d=this.generateIS(t,e,a)),l=this.remuxVideo(e,p,S,_)}}else E&&(l=this.remuxVideo(e,p,S,0));l&&(l.firstKeyFrame=L,l.independent=-1!==L)}}return this.ISGenerated&&(r.samples.length&&(f=this.remuxID3(r,a)),i.samples.length&&(h=this.remuxText(i,a))),{audio:u,video:l,initSegment:d,independent:v,text:h,id3:f}},e.generateIS=function(t,e,r){var i,a,n,o=t.samples,l=e.samples,u=this.typeSupported,d={},h=!Object(s.a)(this._initPTS),f="audio/mp4";if(h&&(i=a=1/0),t.config&&o.length&&(t.timescale=t.samplerate,t.isAAC||(u.mpeg?(f="audio/mpeg",t.codec=""):u.mp3&&(t.codec="mp3")),d.audio={id:"audio",container:f,codec:t.codec,initSegment:!t.isAAC&&u.mpeg?new Uint8Array(0):et.initSegment([t]),metadata:{channelCount:t.channelCount}},h&&(n=t.inputTimeScale,i=a=o[0].pts-Math.round(n*r))),e.sps&&e.pps&&l.length&&(e.timescale=e.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:e.codec,initSegment:et.initSegment([e]),metadata:{width:e.width,height:e.height}},h)){n=e.inputTimeScale;var c=this.getVideoStartPts(l),v=Math.round(n*r);a=Math.min(a,dt(l[0].dts,c)-v),i=Math.min(i,c-v)}if(Object.keys(d).length)return this.ISGenerated=!0,h&&(this._initPTS=i,this._initDTS=a),{tracks:d,initPTS:i,timescale:n}},e.remuxVideo=function(t,e,r,n){var s,o,l,u=t.inputTimeScale,d=t.samples,h=[],f=d.length,v=this._initPTS,g=this.nextAvcDts,p=8,m=Number.POSITIVE_INFINITY,y=Number.NEGATIVE_INFINITY,b=0,T=!1;r&&null!==g||(g=e*u-(d[0].pts-dt(d[0].dts,d[0].pts)));for(var E=0;ES.pts){b=Math.max(Math.min(b,S.pts-S.dts),-18e3)}S.dts0?E-1:E].dts&&(T=!0)}T&&d.sort((function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||i})),o=d[0].dts,l=d[d.length-1].dts;var L=Math.round((l-o)/(f-1));if(b<0){if(b<-2*L){c.b.warn("PTS < DTS detected in video samples, offsetting DTS from PTS by "+at(-L,!0)+" ms");for(var A=b,R=0;RL;if(k||_<-1){k?c.b.warn("AVC: "+at(_,!0)+" ms ("+_+"dts) hole between fragments detected, filling it"):c.b.warn("AVC: "+at(-_,!0)+" ms ("+_+"dts) overlapping between fragments detected"),o=g;var x=d[0].pts-_;d[0].dts=o,d[0].pts=x,c.b.log("Video: First PTS/DTS adjusted: "+at(x,!0)+"/"+at(o,!0)+", delta: "+at(_,!0)+" ms")}}lt&&(o=Math.max(0,o));for(var C=0,w=0,O=0;O0?j-1:j].dts;if(Q.stretchShortVideoTrack&&null!==this.nextAudioPts){var Z=Math.floor(Q.maxBufferHole*u),J=(n?m+n*u:this.nextAudioPts)-H.pts;J>Z?((s=J-$)<0&&(s=$),c.b.log("[mp4-remuxer]: It is approximately "+J/90+" ms to the next segment; using duration "+s/90+" ms for the last video frame.")):s=$}else s=$}var tt=Math.round(H.pts-H.dts);h.push(new ht(H.key,s,V,tt))}if(h.length&&st&&st<70){var rt=h[0].flags;rt.dependsOn=2,rt.isNonSync=0}this.nextAvcDts=g=l+s,this.isVideoContiguous=!0;var it={data1:et.moof(t.sequenceNumber++,o,nt({},t,{samples:h})),data2:B,startPTS:m/u,endPTS:(y+s)/u,startDTS:o/u,endDTS:g/u,type:"video",hasAudio:!1,hasVideo:!0,nb:h.length,dropped:t.dropped};return t.samples=[],t.dropped=0,it},e.remuxAudio=function(t,e,r,n,s){var o=t.inputTimeScale,l=o/(t.samplerate?t.samplerate:o),u=t.isAAC?1024:1152,d=u*l,h=this._initPTS,f=!t.isAAC&&this.typeSupported.mpeg,v=[],g=t.samples,p=f?0:8,m=this.nextAudioPts||-1,y=e*o;if(this.isAudioContiguous=r=r||g.length&&m>0&&(n&&Math.abs(y-m)<9e3||Math.abs(dt(g[0].pts-h,y)-m)<20*d),g.forEach((function(t){t.pts=dt(t.pts-h,y)})),!r||m<0){if(!(g=g.filter((function(t){return t.pts>=0}))).length)return;m=0===s?0:n?Math.max(0,y):g[0].pts}if(t.isAAC)for(var b=void 0!==s,T=this.config.maxAudioFramesDrift,E=0,S=m;E=T*d&&D<1e4&&b){var _=Math.round(R/d);(S=A-_*d)<0&&(_--,S+=d),0===E&&(this.nextAudioPts=m=S),c.b.warn("[mp4-remuxer]: Injecting "+_+" audio frame @ "+(S/o).toFixed(3)+"s due to "+Math.round(1e3*R/o)+" ms gap.");for(var k=0;k<_;k++){var x=Math.max(S,0),C=Z.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);C||(c.b.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),C=L.unit.subarray()),g.splice(E,0,{unit:C,pts:x}),S+=d,E++}}L.pts=S,S+=d}for(var w,O=null,I=null,P=0,F=g.length;F--;)P+=g[F].unit.byteLength;for(var M=0,N=g.length;M0))return;P+=p;try{w=new Uint8Array(P)}catch(t){return void this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:P,reason:"fail allocating audio mdat "+P})}f||(new DataView(w.buffer).setUint32(0,P),w.set(et.types.mdat,4))}w.set(U,p);var j=U.byteLength;p+=j,v.push(new ht(!0,u,j,0)),I=G}var H=v.length;if(H){var K=v[v.length-1];this.nextAudioPts=m=I+l*K.duration;var V=f?new Uint8Array(0):et.moof(t.sequenceNumber++,O/l,nt({},t,{samples:v}));t.samples=[];var W=O/o,Y=m/o,X={data1:V,data2:w,startPTS:W,endPTS:Y,startDTS:W,endDTS:Y,type:"audio",hasAudio:!0,hasVideo:!1,nb:H};return this.isAudioContiguous=!0,X}},e.remuxEmptyAudio=function(t,e,r,i){var a=t.inputTimeScale,n=a/(t.samplerate?t.samplerate:a),s=this.nextAudioPts,o=(null!==s?s:i.startDTS*a)+this._initDTS,l=i.endDTS*a+this._initDTS,u=1024*n,d=Math.ceil((l-o)/u),h=Z.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(c.b.warn("[mp4-remuxer]: remux empty Audio"),h){for(var f=[],v=0;v4294967296;)t+=r;return t}var ht=function(t,e,r,i){this.size=void 0,this.duration=void 0,this.cts=void 0,this.flags=void 0,this.duration=e,this.size=r,this.cts=i,this.flags=new ft(t)},ft=function(t){this.isLeading=0,this.isDependedOn=0,this.hasRedundancy=0,this.degradPrio=0,this.dependsOn=1,this.isNonSync=1,this.dependsOn=t?2:1,this.isNonSync=t?0:1},ct=r(5),vt=function(){function t(){this.emitInitSegment=!1,this.audioCodec=void 0,this.videoCodec=void 0,this.initData=void 0,this.initPTS=void 0,this.initTracks=void 0,this.lastEndDTS=null}var e=t.prototype;return e.destroy=function(){},e.resetTimeStamp=function(t){this.initPTS=t,this.lastEndDTS=null},e.resetNextTimestamp=function(){this.lastEndDTS=null},e.resetInitSegment=function(t,e,r){this.audioCodec=e,this.videoCodec=r,this.generateInitSegment(t),this.emitInitSegment=!0},e.generateInitSegment=function(t){var e=this.audioCodec,r=this.videoCodec;if(!t||!t.byteLength)return this.initTracks=void 0,void(this.initData=void 0);var i=this.initData=Object(l.f)(t);e||(e=pt(i.audio,ct.a.AUDIO)),r||(r=pt(i.video,ct.a.VIDEO));var a={};i.audio&&i.video?a.audiovideo={container:"video/mp4",codec:e+","+r,initSegment:t,id:"main"}:i.audio?a.audio={container:"audio/mp4",codec:e,initSegment:t,id:"audio"}:i.video?a.video={container:"video/mp4",codec:r,initSegment:t,id:"main"}:c.b.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=a},e.remux=function(t,e,r,i,a){var n=this.initPTS,o=this.lastEndDTS,u={audio:void 0,video:void 0,text:i,id3:r,initSegment:void 0};Object(s.a)(o)||(o=this.lastEndDTS=a||0);var d=e.samples;if(!d||!d.length)return u;var h={initPTS:void 0,timescale:1},f=this.initData;if(f&&f.length||(this.generateInitSegment(d),f=this.initData),!f||!f.length)return c.b.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),u;this.emitInitSegment&&(h.tracks=this.initTracks,this.emitInitSegment=!1),Object(s.a)(n)||(this.initPTS=h.initPTS=n=gt(f,d,o));var v=Object(l.c)(d,f),g=o,p=v+g;Object(l.e)(f,d,n),v>0?this.lastEndDTS=p:(c.b.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var m=!!f.audio,y=!!f.video,b="";m&&(b+="audio"),y&&(b+="video");var T={data1:d,startPTS:g,startDTS:g,endPTS:p,endDTS:p,type:b,hasAudio:m,hasVideo:y,nb:1,dropped:0};return u.audio="audio"===T.type?T:void 0,u.video="audio"!==T.type?T:void 0,u.text=i,u.id3=r,u.initSegment=h,u},t}(),gt=function(t,e,r){return Object(l.d)(t,e)-r};function pt(t,e){var r=null==t?void 0:t.codec;return r&&r.length>4?r:"hvc1"===r?"hvc1.1.c.L120.90":"av01"===r?"av01.0.04M.08":"avc1"===r||e===ct.a.VIDEO?"avc1.42e01e":"mp4a.40.5"}var mt,yt=vt,bt=r(16);try{mt=self.performance.now.bind(self.performance)}catch(t){c.b.debug("Unable to use Performance API on this environment"),mt=self.Date.now}var Tt=[{demux:q,remux:ut},{demux:D,remux:yt},{demux:A,remux:ut},{demux:$,remux:ut}],Et=1024;Tt.forEach((function(t){var e=t.demux;Et=Math.max(Et,e.minProbeByteLength)}));var St=function(){function t(t,e,r,i,a){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 0,this.decryptionPromise=null,this.transmuxConfig=void 0,this.currentTransmuxState=void 0,this.cache=new bt.a,this.observer=t,this.typeSupported=e,this.config=r,this.vendor=i,this.id=a}var e=t.prototype;return e.configure=function(t){this.transmuxConfig=t,this.decrypter&&this.decrypter.reset()},e.push=function(t,e,r,i){var a=this,n=r.transmuxing;n.executeStart=mt();var s=new Uint8Array(t),o=this.cache,u=this.config,d=this.currentTransmuxState,h=this.transmuxConfig;i&&(this.currentTransmuxState=i);var f=function(t,e){var r=null;t.byteLength>0&&null!=e&&null!=e.key&&null!==e.iv&&null!=e.method&&(r=e);return r}(s,e);if(f&&"AES-128"===f.method){var c=this.getDecrypter();if(!u.enableSoftwareAES)return this.decryptionPromise=c.webCryptoDecrypt(s,f.key.buffer,f.iv.buffer).then((function(t){var e=a.push(t,null,r);return a.decryptionPromise=null,e})),this.decryptionPromise;var v=c.softwareDecrypt(s,f.key.buffer,f.iv.buffer);if(!v)return n.executeEnd=mt(),Lt(r);s=new Uint8Array(v)}var g=i||d,p=g.contiguous,m=g.discontinuity,y=g.trackSwitch,b=g.accurateTimeOffset,T=g.timeOffset,E=g.initSegmentChange,S=h.audioCodec,L=h.videoCodec,A=h.defaultInitPts,R=h.duration,D=h.initSegmentData;if((m||y||E)&&this.resetInitSegment(D,S,L,R),(m||E)&&this.resetInitialTimestamp(A),p||this.resetContiguity(),this.needsProbing(s,m,y)){if(o.dataLength){var _=o.flush();s=Object(l.a)(_,s)}this.configureTransmuxer(s,h)}var k=this.transmux(s,f,T,b,r),x=this.currentTransmuxState;return x.contiguous=!0,x.discontinuity=!1,x.trackSwitch=!1,n.executeEnd=mt(),k},e.flush=function(t){var e=this,r=t.transmuxing;r.executeStart=mt();var n=this.decrypter,s=this.cache,o=this.currentTransmuxState,l=this.decryptionPromise;if(l)return l.then((function(){return e.flush(t)}));var u=[],d=o.timeOffset;if(n){var h=n.flush();h&&u.push(this.push(h,null,t))}var f=s.dataLength;s.reset();var c=this.demuxer,v=this.remuxer;if(!c||!v)return f>=Et&&this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=mt(),[Lt(t)];var g=c.flush(d);return At(g)?g.then((function(r){return e.flushRemux(u,r,t),u})):(this.flushRemux(u,g,t),u)},e.flushRemux=function(t,e,r){var i=e.audioTrack,a=e.avcTrack,n=e.id3Track,s=e.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;c.b.log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var d=this.remuxer.remux(i,a,n,s,u,l,!0,this.id);t.push({remuxResult:d,chunkMeta:r}),r.transmuxing.executeEnd=mt()},e.resetInitialTimestamp=function(t){var e=this.demuxer,r=this.remuxer;e&&r&&(e.resetTimeStamp(t),r.resetTimeStamp(t))},e.resetContiguity=function(){var t=this.demuxer,e=this.remuxer;t&&e&&(t.resetContiguity(),e.resetNextTimestamp())},e.resetInitSegment=function(t,e,r,i){var a=this.demuxer,n=this.remuxer;a&&n&&(a.resetInitSegment(e,r,i),n.resetInitSegment(t,e,r))},e.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},e.transmux=function(t,e,r,i,a){return e&&"SAMPLE-AES"===e.method?this.transmuxSampleAes(t,e,r,i,a):this.transmuxUnencrypted(t,r,i,a)},e.transmuxUnencrypted=function(t,e,r,i){var a=this.demuxer.demux(t,e,!1,!this.config.progressive),n=a.audioTrack,s=a.avcTrack,o=a.id3Track,l=a.textTrack;return{remuxResult:this.remuxer.remux(n,s,o,l,e,r,!1,this.id),chunkMeta:i}},e.transmuxSampleAes=function(t,e,r,i,a){var n=this;return this.demuxer.demuxSampleAes(t,e,r).then((function(t){return{remuxResult:n.remuxer.remux(t.audioTrack,t.avcTrack,t.id3Track,t.textTrack,r,i,!1,n.id),chunkMeta:a}}))},e.configureTransmuxer=function(t,e){for(var r,i=this.config,a=this.observer,n=this.typeSupported,s=this.vendor,o=e.audioCodec,l=e.defaultInitPts,u=e.duration,d=e.initSegmentData,h=e.videoCodec,f=0,v=Tt.length;f>>8^255&p^99,t[c]=p,e[p]=c;var m=f[c],y=f[m],b=f[y],T=257*f[p]^16843008*p;i[c]=T<<24|T>>>8,a[c]=T<<16|T>>>16,n[c]=T<<8|T>>>24,s[c]=T,T=16843009*b^65537*y^257*m^16843008*c,l[p]=T<<24|T>>>8,u[p]=T<<16|T>>>16,d[p]=T<<8|T>>>24,h[p]=T,c?(c=m^f[f[f[b^m]]],v^=f[f[v]]):c=v=1}},e.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;i0}),!1)}t.exports=function(t,e){e=e||{};var a={main:r.m},o=e.all?{main:Object.keys(a.main)}:function(t,e){for(var r={main:[e]},i={main:[]},a={main:{}};s(r);)for(var o=Object.keys(r),l=0;lt.endSN||e>0||0===e&&r>0,this.updated||this.advanced?this.misses=Math.floor(.6*t.misses):this.misses=t.misses+1,this.availabilityDelay=t.availabilityDelay},e=t,(r=[{key:"hasProgramDateTime",get:function(){return!!this.fragments.length&&Object(a.a)(this.fragments[this.fragments.length-1].programDateTime)}},{key:"levelTargetDuration",get:function(){return this.averagetargetduration||this.targetduration||10}},{key:"drift",get:function(){var t=this.driftEndTime-this.driftStartTime;return t>0?1e3*(this.driftEnd-this.driftStart)/t:1}},{key:"edge",get:function(){return this.partEnd||this.fragmentEnd}},{key:"partEnd",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].end:this.fragmentEnd}},{key:"fragmentEnd",get:function(){var t;return null!==(t=this.fragments)&&void 0!==t&&t.length?this.fragments[this.fragments.length-1].end:0}},{key:"age",get:function(){return this.advancedDateTime?Math.max(Date.now()-this.advancedDateTime,0)/1e3:0}},{key:"lastPartIndex",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].index:-1}},{key:"lastPartSn",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].fragment.sn:this.endSN}}])&&d(e.prototype,r),i&&d(e,i),t}(),f=r(15),c=/^(\d+)x(\d+)$/,v=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,g=function(){function t(e){for(var r in"string"==typeof e&&(e=t.parseAttrList(e)),e)e.hasOwnProperty(r)&&(this[r]=e[r])}var e=t.prototype;return e.decimalInteger=function(t){var e=parseInt(this[t],10);return e>Number.MAX_SAFE_INTEGER?1/0:e},e.hexadecimalInteger=function(t){if(this[t]){var e=(this[t]||"0x").slice(2);e=(1&e.length?"0":"")+e;for(var r=new Uint8Array(e.length/2),i=0;iNumber.MAX_SAFE_INTEGER?1/0:e},e.decimalFloatingPoint=function(t){return parseFloat(this[t])},e.optionalFloat=function(t,e){var r=this[t];return r?parseFloat(r):e},e.enumeratedString=function(t){return this[t]},e.bool=function(t){return"YES"===this[t]},e.decimalResolution=function(t){var e=c.exec(this[t]);if(null!==e)return{width:parseInt(e[1],10),height:parseInt(e[2],10)}},t.parseAttrList=function(t){var e,r={};for(v.lastIndex=0;null!==(e=v.exec(t));){var i=e[2];0===i.indexOf('"')&&i.lastIndexOf('"')===i.length-1&&(i=i.slice(1,-1)),r[e[1]]=i}return r},t}(),p={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,av01:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0},text:{stpp:!0,wvtt:!0}};function m(t,e){return MediaSource.isTypeSupported((e||"video")+'/mp4;codecs="'+t+'"')}var y=/#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-SESSION-DATA:([^\r\n]*)[\r\n]+/g,b=/#EXT-X-MEDIA:(.*)/g,T=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/(?!#) *(\S[\S ]*)/.source,/#EXT-X-BYTERANGE:*(.+)/.source,/#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/#.*/.source].join("|"),"g"),E=new RegExp([/#(EXTM3U)/.source,/#EXT-X-(PLAYLIST-TYPE):(.+)/.source,/#EXT-X-(MEDIA-SEQUENCE): *(\d+)/.source,/#EXT-X-(SKIP):(.+)/.source,/#EXT-X-(TARGETDURATION): *(\d+)/.source,/#EXT-X-(KEY):(.+)/.source,/#EXT-X-(START):(.+)/.source,/#EXT-X-(ENDLIST)/.source,/#EXT-X-(DISCONTINUITY-SEQ)UENCE: *(\d+)/.source,/#EXT-X-(DIS)CONTINUITY/.source,/#EXT-X-(VERSION):(\d+)/.source,/#EXT-X-(MAP):(.+)/.source,/#EXT-X-(SERVER-CONTROL):(.+)/.source,/#EXT-X-(PART-INF):(.+)/.source,/#EXT-X-(GAP)/.source,/#EXT-X-(BITRATE):\s*(\d+)/.source,/#EXT-X-(PART):(.+)/.source,/#EXT-X-(PRELOAD-HINT):(.+)/.source,/#EXT-X-(RENDITION-REPORT):(.+)/.source,/(#)([^:]*):(.*)/.source,/(#)(.*)(?:.*)\r?\n?/.source].join("|")),S=/\.(mp4|m4s|m4v|m4a)$/i;var L=function(){function t(){}return t.findGroup=function(t,e){for(var r=0;r2){var r=e.shift()+".";return r+=parseInt(e.shift()).toString(16),r+=("000"+parseInt(e.shift()).toString(16)).substr(-4)}return t},t.resolve=function(t,e){return i.buildAbsoluteURL(e,t,{alwaysNormalize:!0})},t.parseMasterPlaylist=function(e,r){var i,a=[],n={},s=!1;for(y.lastIndex=0;null!=(i=y.exec(e));)if(i[1]){var o=new g(i[1]),l={attrs:o,bitrate:o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),name:o.NAME,url:t.resolve(i[2],r)},u=o.decimalResolution("RESOLUTION");u&&(l.width=u.width,l.height=u.height),A((o.CODECS||"").split(/[ ,]+/).filter((function(t){return t})),l),l.videoCodec&&-1!==l.videoCodec.indexOf("avc1")&&(l.videoCodec=t.convertAVC1ToAVCOTI(l.videoCodec)),a.push(l)}else if(i[3]){var d=new g(i[3]);d["DATA-ID"]&&(s=!0,n[d["DATA-ID"]]=d)}return{levels:a,sessionData:s?n:null}},t.parseMasterPlaylistMedia=function(e,r,i,a){var n;void 0===a&&(a=[]);var s=[],o=0;for(b.lastIndex=0;null!==(n=b.exec(e));){var l=new g(n[1]);if(l.TYPE===i){var u={attrs:l,bitrate:0,id:o++,groupId:l["GROUP-ID"],instreamId:l["INSTREAM-ID"],name:l.NAME||l.LANGUAGE||"",type:i,default:l.bool("DEFAULT"),autoselect:l.bool("AUTOSELECT"),forced:l.bool("FORCED"),lang:l.LANGUAGE,url:l.URI?t.resolve(l.URI,r):""};if(a.length){var d=t.findGroup(a,u.groupId)||a[0];R(u,d,"audioCodec"),R(u,d,"textCodec")}s.push(u)}}return s},t.parseLevelPlaylist=function(t,e,r,n,s){var l,d,c,v=new h(e),p=v.fragments,m=null,y=0,b=0,L=0,A=0,R=null,_=new u.b(n,e),k=-1,x=!1;for(T.lastIndex=0,v.m3u8=t;null!==(l=T.exec(t));){x&&(x=!1,(_=new u.b(n,e)).start=L,_.sn=y,_.cc=A,_.level=r,m&&(_.initSegment=m,_.rawProgramDateTime=m.rawProgramDateTime));var C=l[1];if(C){_.duration=parseFloat(C);var w=(" "+l[2]).slice(1);_.title=w||null,_.tagList.push(w?["INF",C,w]:["INF",C])}else if(l[3])Object(a.a)(_.duration)&&(_.start=L,c&&(_.levelkey=c),_.sn=y,_.level=r,_.cc=A,_.urlId=s,p.push(_),_.relurl=(" "+l[3]).slice(1),D(_,R),R=_,L+=_.duration,y++,b=0,x=!0);else if(l[4]){var O=(" "+l[4]).slice(1);R?_.setByteRange(O,R):_.setByteRange(O)}else if(l[5])_.rawProgramDateTime=(" "+l[5]).slice(1),_.tagList.push(["PROGRAM-DATE-TIME",_.rawProgramDateTime]),-1===k&&(k=p.length);else{if(!(l=l[0].match(E))){o.b.warn("No matches on slow regex match for level playlist!");continue}for(d=1;d-1){o.b.warn("Keyformat "+X+" is not supported from the manifest");continue}if("identity"!==X)continue;H&&(c=f.a.fromURL(e,K),K&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(H)>=0&&(c.method=H,c.keyFormat=X,Y&&(c.keyID=Y),W&&(c.keyFormatVersions=W),c.iv=V));break;case"START":var q=new g(P).decimalFloatingPoint("TIME-OFFSET");Object(a.a)(q)&&(v.startTimeOffset=q);break;case"MAP":var z=new g(P);_.relurl=z.URI,z.BYTERANGE&&_.setByteRange(z.BYTERANGE),_.level=r,_.sn="initSegment",c&&(_.levelkey=c),_.initSegment=null,m=_,x=!0;break;case"SERVER-CONTROL":var Q=new g(P);v.canBlockReload=Q.bool("CAN-BLOCK-RELOAD"),v.canSkipUntil=Q.optionalFloat("CAN-SKIP-UNTIL",0),v.canSkipDateRanges=v.canSkipUntil>0&&Q.bool("CAN-SKIP-DATERANGES"),v.partHoldBack=Q.optionalFloat("PART-HOLD-BACK",0),v.holdBack=Q.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var $=new g(P);v.partTarget=$.decimalFloatingPoint("PART-TARGET");break;case"PART":var Z=v.partList;Z||(Z=v.partList=[]);var J=b>0?Z[Z.length-1]:void 0,tt=b++,et=new u.c(new g(P),_,e,tt,J);Z.push(et),_.duration+=et.duration;break;case"PRELOAD-HINT":var rt=new g(P);v.preloadHint=rt;break;case"RENDITION-REPORT":var it=new g(P);v.renditionReports=v.renditionReports||[],v.renditionReports.push(it);break;default:o.b.warn("line parsed but not handled: "+l)}}}R&&!R.relurl?(p.pop(),L-=R.duration,v.partList&&(v.fragmentHint=R)):v.partList&&(D(_,R),_.cc=A,v.fragmentHint=_);var at=p.length,nt=p[0],st=p[at-1];if((L+=v.skippedSegments*v.targetduration)>0&&at&&st){v.averagetargetduration=L/at;var ot=st.sn;v.endSN="initSegment"!==ot?ot:0,nt&&(v.startCC=nt.cc,nt.initSegment||v.fragments.every((function(t){return t.relurl&&(e=t.relurl,S.test(null!=(r=null===(a=i.parseURL(e))||void 0===a?void 0:a.path)?r:""));var e,r,a}))&&(o.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(_=new u.b(n,e)).relurl=st.relurl,_.level=r,_.sn="initSegment",nt.initSegment=_,v.needSidxRanges=!0))}else v.endSN=0,v.startCC=0;return v.fragmentHint&&(L+=v.fragmentHint.duration),v.totalduration=L,v.endCC=A,k>0&&function(t,e){for(var r=t[e],i=e;i--;){var a=t[i];if(!a)return;a.programDateTime=r.programDateTime-1e3*a.duration,r=a}}(p,k),v},t}();function A(t,e){["video","audio","text"].forEach((function(r){var i=t.filter((function(t){return function(t,e){var r=p[e];return!!r&&!0===r[t.slice(0,4)]}(t,r)}));if(i.length){var a=i.filter((function(t){return 0===t.lastIndexOf("avc1",0)||0===t.lastIndexOf("mp4a",0)}));e[r+"Codec"]=a.length>0?a[0]:i[0],t=t.filter((function(t){return-1===i.indexOf(t)}))}})),e.unknownCodecs=t}function R(t,e,r){var i=e[r];i&&(t[r]=i)}function D(t,e){t.rawProgramDateTime?t.programDateTime=Date.parse(t.rawProgramDateTime):null!=e&&e.programDateTime&&(t.programDateTime=e.endProgramDateTime),Object(a.a)(t.programDateTime)||(t.programDateTime=null,t.rawProgramDateTime=null)}var _=r(4);function k(t,e){var r=t.url;return void 0!==r&&0!==r.indexOf("data:")||(r=e.url),r}var x=function(){function t(t){this.hls=void 0,this.loaders=Object.create(null),this.hls=t,this.registerListeners()}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(n.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(n.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(n.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.on(n.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(n.a.LEVEL_LOADING,this.onLevelLoading,this),t.off(n.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.off(n.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.createInternalLoader=function(t){var e=this.hls.config,r=e.pLoader,i=e.loader,a=new(r||i)(e);return t.loader=a,this.loaders[t.type]=a,a},e.getInternalLoader=function(t){return this.loaders[t.type]},e.resetInternalLoader=function(t){this.loaders[t]&&delete this.loaders[t]},e.destroyInternalLoaders=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy(),this.resetInternalLoader(t)}},e.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},e.onManifestLoading=function(t,e){var r=e.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:_.a.MANIFEST,url:r,deliveryDirectives:null})},e.onLevelLoading=function(t,e){var r=e.id,i=e.level,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:_.a.LEVEL,url:a,deliveryDirectives:n})},e.onAudioTrackLoading=function(t,e){var r=e.id,i=e.groupId,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:_.a.AUDIO_TRACK,url:a,deliveryDirectives:n})},e.onSubtitleTrackLoading=function(t,e){var r=e.id,i=e.groupId,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:_.a.SUBTITLE_TRACK,url:a,deliveryDirectives:n})},e.load=function(t){var e,r,i,a,n,s,l=this.hls.config,u=this.getInternalLoader(t);if(u){var d=u.context;if(d&&d.url===t.url)return void o.b.trace("[playlist-loader]: playlist request ongoing");o.b.log("[playlist-loader]: aborting previous loader for type: "+t.type),u.abort()}switch(t.type){case _.a.MANIFEST:r=l.manifestLoadingMaxRetry,i=l.manifestLoadingTimeOut,a=l.manifestLoadingRetryDelay,n=l.manifestLoadingMaxRetryTimeout;break;case _.a.LEVEL:case _.a.AUDIO_TRACK:case _.a.SUBTITLE_TRACK:r=0,i=l.levelLoadingTimeOut;break;default:r=l.levelLoadingMaxRetry,i=l.levelLoadingTimeOut,a=l.levelLoadingRetryDelay,n=l.levelLoadingMaxRetryTimeout}if((u=this.createInternalLoader(t),null!==(e=t.deliveryDirectives)&&void 0!==e&&e.part)&&(t.type===_.a.LEVEL&&null!==t.level?s=this.hls.levels[t.level].details:t.type===_.a.AUDIO_TRACK&&null!==t.id?s=this.hls.audioTracks[t.id].details:t.type===_.a.SUBTITLE_TRACK&&null!==t.id&&(s=this.hls.subtitleTracks[t.id].details),s)){var h=s.partTarget,f=s.targetduration;h&&f&&(i=Math.min(1e3*Math.max(3*h,.8*f),i))}var c={timeout:i,maxRetry:r,retryDelay:a,maxRetryDelay:n,highWaterMark:0},v={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(t,c,v)},e.loadsuccess=function(t,e,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this.handleSidxRequest(t,r),void this.handlePlaylistLoaded(t,e,r,i);this.resetInternalLoader(r.type);var a=t.data;0===a.indexOf("#EXTM3U")?(e.parsing.start=performance.now(),a.indexOf("#EXTINF:")>0||a.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(t,e,r,i):this.handleMasterPlaylist(t,e,r,i)):this.handleManifestParsingError(t,r,"no EXTM3U delimiter",i)},e.loaderror=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!1,t)},e.loadtimeout=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!0)},e.handleMasterPlaylist=function(t,e,r,i){var a=this.hls,s=t.data,l=k(t,r),u=L.parseMasterPlaylist(s,l),d=u.levels,h=u.sessionData;if(d.length){var f=d.map((function(t){return{id:t.attrs.AUDIO,audioCodec:t.audioCodec}})),c=d.map((function(t){return{id:t.attrs.SUBTITLES,textCodec:t.textCodec}})),v=L.parseMasterPlaylistMedia(s,l,"AUDIO",f),p=L.parseMasterPlaylistMedia(s,l,"SUBTITLES",c),m=L.parseMasterPlaylistMedia(s,l,"CLOSED-CAPTIONS");if(v.length)v.some((function(t){return!t.url}))||!d[0].audioCodec||d[0].attrs.AUDIO||(o.b.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),v.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new g({}),bitrate:0,url:""}));a.trigger(n.a.MANIFEST_LOADED,{levels:d,audioTracks:v,subtitles:p,captions:m,url:l,stats:e,networkDetails:i,sessionData:h})}else this.handleManifestParsingError(t,r,"no level found in manifest",i)},e.handleTrackOrLevelPlaylist=function(t,e,r,i){var o=this.hls,l=r.id,u=r.level,d=r.type,h=k(t,r),f=Object(a.a)(l)?l:0,c=Object(a.a)(u)?u:f,v=function(t){switch(t.type){case _.a.AUDIO_TRACK:return _.b.AUDIO;case _.a.SUBTITLE_TRACK:return _.b.SUBTITLE;default:return _.b.MAIN}}(r),p=L.parseLevelPlaylist(t.data,h,c,v,f);if(p.fragments.length){if(d===_.a.MANIFEST){var m={attrs:new g({}),bitrate:0,details:p,name:"",url:h};o.trigger(n.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:e,networkDetails:i,sessionData:null})}if(e.parsing.end=performance.now(),p.needSidxRanges){var y,b=null===(y=p.fragments[0].initSegment)||void 0===y?void 0:y.url;this.load({url:b,isSidxRequest:!0,type:d,level:u,levelDetails:p,id:l,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else r.levelDetails=p,this.handlePlaylistLoaded(t,e,r,i)}else o.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.LEVEL_EMPTY_ERROR,fatal:!1,url:h,reason:"no fragments found in level",level:"number"==typeof r.level?r.level:void 0})},e.handleSidxRequest=function(t,e){var r=Object(l.g)(new Uint8Array(t.data));if(r){var i=r.references,a=e.levelDetails;i.forEach((function(t,e){var i=t.info,n=a.fragments[e];0===n.byteRange.length&&n.setByteRange(String(1+i.end-i.start)+"@"+String(i.start)),n.initSegment&&n.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}))}},e.handleManifestParsingError=function(t,e,r,i){this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.MANIFEST_PARSING_ERROR,fatal:e.type===_.a.MANIFEST,url:t.url,reason:r,response:t,context:e,networkDetails:i})},e.handleNetworkError=function(t,e,r,i){void 0===r&&(r=!1),o.b.warn("[playlist-loader]: A network "+(r?"timeout":"error")+" occurred while loading "+t.type+" level: "+t.level+" id: "+t.id+' group-id: "'+t.groupId+'"');var a=s.a.UNKNOWN,l=!1,u=this.getInternalLoader(t);switch(t.type){case _.a.MANIFEST:a=r?s.a.MANIFEST_LOAD_TIMEOUT:s.a.MANIFEST_LOAD_ERROR,l=!0;break;case _.a.LEVEL:a=r?s.a.LEVEL_LOAD_TIMEOUT:s.a.LEVEL_LOAD_ERROR,l=!1;break;case _.a.AUDIO_TRACK:a=r?s.a.AUDIO_TRACK_LOAD_TIMEOUT:s.a.AUDIO_TRACK_LOAD_ERROR,l=!1;break;case _.a.SUBTITLE_TRACK:a=r?s.a.SUBTITLE_TRACK_LOAD_TIMEOUT:s.a.SUBTITLE_LOAD_ERROR,l=!1}u&&this.resetInternalLoader(t.type);var d={type:s.b.NETWORK_ERROR,details:a,fatal:l,url:t.url,loader:u,context:t,networkDetails:e};i&&(d.response=i),this.hls.trigger(n.a.ERROR,d)},e.handlePlaylistLoaded=function(t,e,r,i){var a=r.type,s=r.level,o=r.id,l=r.groupId,u=r.loader,d=r.levelDetails,h=r.deliveryDirectives;if(null!=d&&d.targetduration){if(u)switch(d.live&&(u.getCacheAge&&(d.ageHeader=u.getCacheAge()||0),u.getCacheAge&&!isNaN(d.ageHeader)||(d.ageHeader=0)),a){case _.a.MANIFEST:case _.a.LEVEL:this.hls.trigger(n.a.LEVEL_LOADED,{details:d,level:s||0,id:o||0,stats:e,networkDetails:i,deliveryDirectives:h});break;case _.a.AUDIO_TRACK:this.hls.trigger(n.a.AUDIO_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h});break;case _.a.SUBTITLE_TRACK:this.hls.trigger(n.a.SUBTITLE_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h})}}else this.handleManifestParsingError(t,r,"invalid target duration",i)},t}(),C=function(){function t(t){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){this.hls.on(n.a.KEY_LOADING,this.onKeyLoading,this)},e._unregisterListeners=function(){this.hls.off(n.a.KEY_LOADING,this.onKeyLoading)},e.destroy=function(){for(var t in this._unregisterListeners(),this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={}},e.onKeyLoading=function(t,e){var r=e.frag,i=r.type,a=this.loaders[i];if(r.decryptdata){var s=r.decryptdata.uri;if(s!==this.decrypturl||null===this.decryptkey){var l=this.hls.config;if(a&&(o.b.warn("abort previous key loader for type:"+i),a.abort()),!s)return void o.b.warn("key uri is falsy");var u=l.loader,d=r.loader=this.loaders[i]=new u(l);this.decrypturl=s,this.decryptkey=null;var h={url:s,frag:r,responseType:"arraybuffer"},f={timeout:l.fragLoadingTimeOut,maxRetry:0,retryDelay:l.fragLoadingRetryDelay,maxRetryDelay:l.fragLoadingMaxRetryTimeout,highWaterMark:0},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};d.load(h,f,c)}else this.decryptkey&&(r.decryptdata.key=this.decryptkey,this.hls.trigger(n.a.KEY_LOADED,{frag:r}))}else o.b.warn("Missing decryption data on fragment in onKeyLoading")},e.loadsuccess=function(t,e,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(t.data),i.loader=null,delete this.loaders[i.type],this.hls.trigger(n.a.KEY_LOADED,{frag:i})):o.b.error("after key load, decryptdata unset")},e.loaderror=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.loadtimeout=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},t}();function w(t,e){var r;try{r=new Event("addtrack")}catch(t){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=t,e.dispatchEvent(r)}function O(t,e,r){var i=t.mode;if("disabled"===i&&(t.mode="hidden"),t.cues&&t.cues.length>0)for(var a=function(t,e,r){var i=[],a=function(t,e){if(et[r].endTime)return-1;var i=0,a=r;for(;i<=a;){var n=Math.floor((a+i)/2);if(et[n].startTime&&i-1)for(var n=a,s=t.length;n=e&&o.endTime<=r)i.push(o);else if(o.startTime>r)return i}return i}(t.cues,e,r),n=0;n.05&&this.forwardBufferLength>1){var u=Math.min(2,Math.max(1,n)),d=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;t.playbackRate=Math.min(u,Math.max(1,d))}else 1!==t.playbackRate&&0!==t.playbackRate&&(t.playbackRate=1)}}}}},a.estimateLiveEdge=function(){var t=this.levelDetails;return null===t?null:t.edge+t.age},a.computeLatency=function(){var t=this.estimateLiveEdge();return null===t?null:t-this.currentTime},e=t,(r=[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var t=this.config,e=this.levelDetails;return void 0!==t.liveMaxLatencyDuration?t.liveMaxLatencyDuration:e?t.liveMaxLatencyDurationCount*e.targetduration:0}},{key:"targetLatency",get:function(){var t=this.levelDetails;if(null===t)return null;var e=t.holdBack,r=t.partHoldBack,i=t.targetduration,a=this.config,n=a.liveSyncDuration,s=a.liveSyncDurationCount,o=a.lowLatencyMode,l=this.hls.userConfig,u=o&&r||e;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==n?n:s*i);var d=i;return u+Math.min(1*this.stallCount,d)}},{key:"liveSyncPosition",get:function(){var t=this.estimateLiveEdge(),e=this.targetLatency,r=this.levelDetails;if(null===t||null===e||null===r)return null;var i=r.edge,a=t-e-this.edgeStalled,n=i-r.totalduration,s=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(n,a),s)}},{key:"drift",get:function(){var t=this.levelDetails;return null===t?1:t.drift}},{key:"edgeStalled",get:function(){var t=this.levelDetails;if(null===t)return 0;var e=3*(this.config.lowLatencyMode&&t.partTarget||t.targetduration);return Math.max(t.age-e,0)}},{key:"forwardBufferLength",get:function(){var t=this.media,e=this.levelDetails;if(!t||!e)return 0;var r=t.buffered.length;return r?t.buffered.end(r-1):e.edge-this.currentTime}}])&&F(e.prototype,r),i&&F(e,i),t}();function B(t,e){for(var r=0;rt.sn?(n=r-t.start,i=t):(n=t.start-r,i=e),i.duration!==n&&(i.duration=n)}else if(e.sn>t.sn){t.cc===e.cc&&t.minEndPTS?e.start=t.start+(t.minEndPTS-t.start):e.start=t.start+t.duration}else e.start=Math.max(t.start-e.duration,0)}function V(t,e,r,i,n,s){i-r<=0&&(o.b.warn("Fragment should have a positive duration",e),i=r+e.duration,s=n+e.duration);var l=r,u=i,d=e.startPTS,h=e.endPTS;if(Object(a.a)(d)){var f=Math.abs(d-r);Object(a.a)(e.deltaPTS)?e.deltaPTS=Math.max(f,e.deltaPTS):e.deltaPTS=f,l=Math.max(r,d),r=Math.min(r,d),n=Math.min(n,e.startDTS),u=Math.min(i,h),i=Math.max(i,h),s=Math.max(s,e.endDTS)}e.duration=i-r;var c=r-e.start;e.appendedPTS=i,e.start=e.startPTS=r,e.maxStartPTS=l,e.startDTS=n,e.endPTS=i,e.minEndPTS=u,e.endDTS=s;var v,g=e.sn;if(!t||gt.endSN)return 0;var p=g-t.startSN,m=t.fragments;for(m[p]=e,v=p;v>0;v--)K(m[v],m[v-1]);for(v=p;v=0;n--){var s=i[n].initSegment;if(s){r=s;break}}t.fragmentHint&&delete t.fragmentHint.endPTS;var l,u=0;(function(t,e,r){for(var i=e.skippedSegments,a=Math.max(t.startSN,e.startSN)-e.startSN,n=(t.fragmentHint?1:0)+(i?e.endSN:Math.min(t.endSN,e.endSN))-e.startSN,s=e.startSN-t.startSN,o=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,l=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,u=a;u<=n;u++){var d=l[s+u],h=o[u];i&&!h&&u=i.length||function(t,e){if(e){for(var r=t.fragments,i=t.skippedSegments;ie.partTarget&&(l+=1)}if(Object(a.a)(o))return new U(o,Object(a.a)(l)?l:void 0,M.No)}}},e.loadPlaylist=function(t){},e.shouldLoadTrack=function(t){return this.canLoad&&t&&!!t.url&&(!t.details||t.details.live)},e.playlistLoaded=function(t,e,r){var i=this,a=e.details,n=e.stats,s=n.loading.end?Math.max(0,self.performance.now()-n.loading.end):0;if(a.advancedDateTime=Date.now()-s,a.live||null!=r&&r.live){if(a.reloaded(r),r&&this.log("live playlist "+t+" "+(a.advanced?"REFRESHED "+a.lastPartSn+"-"+a.lastPartIndex:"MISSED")),r&&a.fragments.length>0&&W(r,a),!this.canLoad||!a.live)return;var o,l=void 0,u=void 0;if(a.canBlockReload&&a.endSN&&a.advanced){var d=this.hls.config.lowLatencyMode,h=a.lastPartSn,f=a.endSN,c=a.lastPartIndex,v=h===f;-1!==c?(l=v?f+1:h,u=v?d?0:c:c+1):l=f+1;var g=a.age,p=g+a.ageHeader,m=Math.min(p-a.partTarget,1.5*a.targetduration);if(m>0){if(r&&m>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+m+" with playlist age: "+a.age),m=0;else{var y=Math.floor(m/a.targetduration);if(l+=y,void 0!==u)u+=Math.round(m%a.targetduration/a.partTarget);this.log("CDN Tune-in age: "+a.ageHeader+"s last advanced "+g.toFixed(2)+"s goal: "+m+" skip sn "+y+" to part "+u)}a.tuneInGoal=m}if(o=this.getDeliveryDirectives(a,e.deliveryDirectives,l,u),d||!v)return void this.loadPlaylist(o)}else o=this.getDeliveryDirectives(a,e.deliveryDirectives,l,u);var b=function(t,e){var r,i=1e3*t.levelTargetDuration,a=i/2,n=t.age,s=n>0&&n<3*i,o=e.loading.end-e.loading.start,l=t.availabilityDelay;if(!1===t.updated)if(s){var u=333*t.misses;r=Math.max(Math.min(a,2*o),u),t.availabilityDelay=(t.availabilityDelay||0)+r}else r=a;else s?(l=Math.min(l||i/2,n),t.availabilityDelay=l,r=l+i-n):r=i-o;return Math.round(r)}(a,n);void 0!==l&&a.canBlockReload&&(b-=a.partTarget||1),this.log("reload live playlist "+t+" in "+Math.round(b)+" ms"),this.timer=self.setTimeout((function(){return i.loadPlaylist(o)}),b)}else this.clearTimer()},e.getDeliveryDirectives=function(t,e,r,i){var a=function(t,e){var r=t.canSkipUntil,i=t.canSkipDateRanges,a=t.endSN;return r&&(void 0!==e?e-a:0)-1&&null!==(e=t.context)&&void 0!==e&&e.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+t.details+'"'),this.loadPlaylist();else{var n=Math.min(Math.pow(2,this.retryCount)*i.levelLoadingRetryDelay,i.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return r.loadPlaylist()}),n),this.warn("retry playlist loading #"+this.retryCount+" in "+n+' ms after "'+t.details+'"')}else this.warn('cannot recover from error "'+t.details+'"'),this.clearTimer(),t.fatal=!0;return a},t}();function q(){return(q=Object.assign||function(t){for(var e=1;e0){r=a[0].bitrate,a.sort((function(t,e){return t.bitrate-e.bitrate})),this._levels=a;for(var c=0;cthis.hls.config.fragLoadingMaxRetry&&(n=r.frag.level)):n=r.frag.level}break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:i&&(i.deliveryDirectives&&(l=!1),n=i.level),o=!0;break;case s.a.REMUX_ALLOC_ERROR:n=r.level,o=!0}void 0!==n&&this.recoverLevel(r,n,o,l)}}},u.recoverLevel=function(t,e,r,i){var a=t.details,n=this._levels[e];if(n.loadError++,r){if(!this.retryLoadingOrFail(t))return void(this.currentLevelIndex=-1);t.levelRetry=!0}if(i){var s=n.url.length;if(s>1&&n.loadError1){var i=(e.urlId+1)%r;this.warn("Switching to redundant URL-id "+i),this._levels.forEach((function(t){t.urlId=i})),this.level=t}},u.onFragLoaded=function(t,e){var r=e.frag;if(void 0!==r&&r.type===_.b.MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},u.onLevelLoaded=function(t,e){var r,i,a=e.level,n=e.details,s=this._levels[a];if(!s)return this.warn("Invalid level index "+a),void(null!==(i=e.deliveryDirectives)&&void 0!==i&&i.skip&&(n.deltaUpdateFailed=!0));a===this.currentLevelIndex?(0===s.fragmentError&&(s.loadError=0,this.retryCount=0),this.playlistLoaded(a,e,s.details)):null!==(r=e.deliveryDirectives)&&void 0!==r&&r.skip&&(n.deltaUpdateFailed=!0)},u.onAudioTrackSwitched=function(t,e){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,a=this.hls.audioTracks[e.id].groupId,n=0;n0){var i=r.urlId,a=r.url[i];if(t)try{a=t.addDirectives(a)}catch(t){this.warn("Could not construct new URL with HLS Delivery Directives: "+t)}this.log("Attempt loading level index "+e+(t?" at sn "+t.msn+" part "+t.part:"")+" with URL-id "+i+" "+a),this.clearTimer(),this.hls.trigger(n.a.LEVEL_LOADING,{url:a,level:e,id:i,deliveryDirectives:t||null})}},u.removeLevel=function(t,e){var r=function(t,r){return r!==e},i=this._levels.filter((function(i,a){return a!==t||i.url.length>1&&void 0!==e&&(i.url=i.url.filter(r),i.audioGroupIds&&(i.audioGroupIds=i.audioGroupIds.filter(r)),i.textGroupIds&&(i.textGroupIds=i.textGroupIds.filter(r)),i.urlId=0,!0)})).map((function(t,e){var r=t.details;return null!=r&&r.fragments&&r.fragments.forEach((function(t){t.level=e})),t}));this._levels=i,this.hls.trigger(n.a.LEVELS_UPDATED,{levels:i})},a=i,(o=[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(t){var e,r=this._levels;if(0!==r.length&&(this.currentLevelIndex!==t||null===(e=r[t])||void 0===e||!e.details)){if(t<0||t>=r.length){var i=t<0;if(this.hls.trigger(n.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.LEVEL_SWITCH_ERROR,level:t,fatal:i,reason:"invalid level idx"}),i)return;t=Math.min(t,r.length-1)}this.clearTimer();var a=this.currentLevelIndex,o=r[a],l=r[t];this.log("switching to level "+t+" from "+a),this.currentLevelIndex=t;var u=q({},l,{level:t,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(n.a.LEVEL_SWITCHING,u);var d=l.details;if(!d||d.live){var h=this.switchParams(l.uri,null==o?void 0:o.details);this.loadPlaylist(h)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(t){this.manualLevelIndex=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=t)}}])&&z(a.prototype,o),l&&z(a,l),i}(X);!function(t){t.NOT_LOADED="NOT_LOADED",t.BACKTRACKED="BACKTRACKED",t.APPENDING="APPENDING",t.PARTIAL="PARTIAL",t.OK="OK"}($||($={}));var tt=function(){function t(t){this.activeFragment=null,this.activeParts=null,this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){var t=this.hls;t.on(n.a.BUFFER_APPENDED,this.onBufferAppended,this),t.on(n.a.FRAG_BUFFERED,this.onFragBuffered,this),t.on(n.a.FRAG_LOADED,this.onFragLoaded,this)},e._unregisterListeners=function(){var t=this.hls;t.off(n.a.BUFFER_APPENDED,this.onBufferAppended,this),t.off(n.a.FRAG_BUFFERED,this.onFragBuffered,this),t.off(n.a.FRAG_LOADED,this.onFragLoaded,this)},e.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},e.getAppendedFrag=function(t,e){if(e===_.b.MAIN){var r=this.activeFragment,i=this.activeParts;if(!r)return null;if(i)for(var a=i.length;a--;){var n=i[a],s=n?n.end:r.appendedPTS;if(n.start<=t&&void 0!==s&&t<=s)return a>9&&(this.activeParts=i.slice(a-9)),n}else if(r.start<=t&&void 0!==r.appendedPTS&&t<=r.appendedPTS)return r}return this.getBufferedFrag(t,e)},e.getBufferedFrag=function(t,e){for(var r=this.fragments,i=Object.keys(r),a=i.length;a--;){var n=r[i[a]];if((null==n?void 0:n.body.type)===e&&n.buffered){var s=n.body;if(s.start<=t&&t<=s.end)return s}}return null},e.detectEvictedFragments=function(t,e,r){var i=this;Object.keys(this.fragments).forEach((function(a){var n=i.fragments[a];if(n)if(n.buffered){var s=n.range[t];s&&s.time.some((function(t){var r=!i.isTimeBuffered(t.startPTS,t.endPTS,e);return r&&i.removeFragment(n.body),r}))}else n.body.type===r&&i.removeFragment(n.body)}))},e.detectPartialFragments=function(t){var e=this,r=this.timeRanges,i=t.frag,a=t.part;if(r&&"initSegment"!==i.sn){var n=rt(i),s=this.fragments[n];s&&(Object.keys(r).forEach((function(t){var n=i.elementaryStreams[t];if(n){var o=r[t],l=null!==a||!0===n.partial;s.range[t]=e.getBufferedTimes(i,a,l,o)}})),s.backtrack=s.loaded=null,Object.keys(s.range).length?s.buffered=!0:this.removeFragment(s.body))}},e.fragBuffered=function(t){var e=rt(t),r=this.fragments[e];r&&(r.backtrack=r.loaded=null,r.buffered=!0)},e.getBufferedTimes=function(t,e,r,i){for(var a={time:[],partial:r},n=e?e.start:t.start,s=e?e.end:t.end,o=t.minEndPTS||s,l=t.maxStartPTS||n,u=0;u=d&&o<=h){a.time.push({startPTS:Math.max(n,i.start(u)),endPTS:Math.min(s,i.end(u))});break}if(nd)a.partial=!0,a.time.push({startPTS:Math.max(n,i.start(u)),endPTS:Math.min(s,i.end(u))});else if(s<=d)break}return a},e.getPartialFragment=function(t){var e,r,i,a=null,n=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&et(u)&&(r=u.body.start-s,i=u.body.end+s,t>=r&&t<=i&&(e=Math.min(t-r,i-t),n<=e&&(a=u.body,n=e)))})),a},e.getState=function(t){var e=rt(t),r=this.fragments[e];return r?r.buffered?et(r)?$.PARTIAL:$.OK:r.backtrack?$.BACKTRACKED:$.APPENDING:$.NOT_LOADED},e.backtrack=function(t,e){var r=rt(t),i=this.fragments[r];if(!i||i.backtrack)return null;var a=i.backtrack=e||i.loaded;return i.loaded=null,a},e.getBacktrackData=function(t){var e=rt(t),r=this.fragments[e];if(r){var i,a=r.backtrack;if(null!=a&&null!==(i=a.payload)&&void 0!==i&&i.byteLength)return a;this.removeFragment(t)}return null},e.isTimeBuffered=function(t,e,r){for(var i,a,n=0;n=i&&e<=a)return!0;if(e<=i)return!1}return!1},e.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if("initSegment"!==r.sn&&!r.bitrateTest&&!i){var a=rt(r);this.fragments[a]={body:r,loaded:e,backtrack:null,buffered:!1,range:Object.create(null)}}},e.onBufferAppended=function(t,e){var r=this,i=e.frag,a=e.part,n=e.timeRanges;if(i.type===_.b.MAIN)if(this.activeFragment=i,a){var s=this.activeParts;s||(this.activeParts=s=[]),s.push(a)}else this.activeParts=null;this.timeRanges=n,Object.keys(n).forEach((function(t){var e=n[t];if(r.detectEvictedFragments(t,e),!a)for(var s=0;st&&i.removeFragment(s)}}))},e.removeFragment=function(t){var e=rt(t);t.stats.loaded=0,t.clearElementaryStreamInfo(),delete this.fragments[e]},e.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},t}();function et(t){var e,r;return t.buffered&&((null===(e=t.range.video)||void 0===e?void 0:e.partial)||(null===(r=t.range.audio)||void 0===r?void 0:r.partial))}function rt(t){return t.type+"_"+t.level+"_"+t.urlId+"_"+t.sn}var it=function(){function t(){this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}var e=t.prototype;return e.destroy=function(){this.onHandlerDestroying(),this.onHandlerDestroyed()},e.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},e.onHandlerDestroyed=function(){},e.hasInterval=function(){return!!this._tickInterval},e.hasNextTick=function(){return!!this._tickTimer},e.setInterval=function(t){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,t),!0)},e.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},e.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},e.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)},e.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},e.doTick=function(){},t}(),at={length:0,start:function(){return 0},end:function(){return 0}},nt=function(){function t(){}return t.isBuffered=function(e,r){try{if(e)for(var i=t.getBuffered(e),a=0;a=i.start(a)&&r<=i.end(a))return!0}catch(t){}return!1},t.bufferInfo=function(e,r,i){try{if(e){var a,n=t.getBuffered(e),s=[];for(a=0;as&&(i[n-1].end=t[a].end):i.push(t[a])}else i.push(t[a])}else i=t;for(var o,l=0,u=e,d=e,h=0;h=f&&er.startCC||t&&t.cc0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}};function ht(t,e,r){void 0===t&&(t=0),void 0===e&&(e=0);var i=Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=t?1:r.start-i>t&&r.start?-1:0}function ft(t,e,r){var i=1e3*Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>t}function ct(t){var e="function"==typeof Map?new Map:void 0;return(ct=function(t){if(null===t||(r=t,-1===Function.toString.call(r).indexOf("[native code]")))return t;var r;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,i)}function i(){return vt(t,arguments,mt(this).constructor)}return i.prototype=Object.create(t.prototype,{constructor:{value:i,enumerable:!1,writable:!0,configurable:!0}}),pt(i,t)})(t)}function vt(t,e,r){return(vt=gt()?Reflect.construct:function(t,e,r){var i=[null];i.push.apply(i,e);var a=new(Function.bind.apply(t,i));return r&&pt(a,r.prototype),a}).apply(null,arguments)}function gt(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}function pt(t,e){return(pt=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function mt(t){return(mt=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var yt=Math.pow(2,17),bt=function(){function t(t){this.config=void 0,this.loader=null,this.partLoadTimeout=-1,this.config=t}var e=t.prototype;return e.destroy=function(){this.loader&&(this.loader.destroy(),this.loader=null)},e.abort=function(){this.loader&&this.loader.abort()},e.load=function(t,e){var r=this,i=t.url;if(!i)return Promise.reject(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,networkDetails:null},"Fragment does not have a "+(i?"part list":"url")));this.abort();var a=this.config,n=a.fLoader,o=a.loader;return new Promise((function(i,l){r.loader&&r.loader.destroy();var u=r.loader=t.loader=n?new n(a):new o(a),d=Tt(t),h={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:yt};t.stats=u.stats,u.load(d,h,{onSuccess:function(e,a,n,s){r.resetLoader(t,u),i({frag:t,part:null,payload:e.data,networkDetails:s})},onError:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,response:e,networkDetails:a}))},onAbort:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.INTERNAL_ABORTED,fatal:!1,frag:t,networkDetails:a}))},onTimeout:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,networkDetails:a}))},onProgress:function(r,i,a,n){e&&e({frag:t,part:null,payload:a,networkDetails:n})}})}))},e.loadPart=function(t,e,r){var i=this;this.abort();var a=this.config,n=a.fLoader,o=a.loader;return new Promise((function(l,u){i.loader&&i.loader.destroy();var d=i.loader=t.loader=n?new n(a):new o(a),h=Tt(t,e),f={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:yt};e.stats=d.stats,d.load(h,f,{onSuccess:function(a,n,s,o){i.resetLoader(t,d),i.updateStatsFromPart(t,e);var u={frag:t,part:e,payload:a.data,networkDetails:o};r(u),l(u)},onError:function(r,a,n){i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,part:e,response:r,networkDetails:n}))},onAbort:function(r,a,n){t.stats.aborted=e.stats.aborted,i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.INTERNAL_ABORTED,fatal:!1,frag:t,part:e,networkDetails:n}))},onTimeout:function(r,a,n){i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,part:e,networkDetails:n}))}})}))},e.updateStatsFromPart=function(t,e){var r=t.stats,i=e.stats,a=i.total;if(r.loaded+=i.loaded,a){var n=Math.round(t.duration/e.duration),s=Math.min(Math.round(r.loaded/a),n),o=(n-s)*Math.round(r.loaded/s);r.total=r.loaded+o}else r.total=Math.max(r.loaded,r.total);var l=r.loading,u=i.loading;l.start?l.first+=u.first-u.start:(l.start=u.start,l.first=u.first),l.end=u.end},e.resetLoader=function(t,e){t.loader=null,this.loader===e&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),e.destroy()},t}();function Tt(t,e){void 0===e&&(e=null);var r=e||t,i={frag:t,part:e,responseType:"arraybuffer",url:r.url,headers:{},rangeStart:0,rangeEnd:0},n=r.byteRangeStartOffset,s=r.byteRangeEndOffset;return Object(a.a)(n)&&Object(a.a)(s)&&(i.rangeStart=n,i.rangeEnd=s),i}var Et=function(t){var e,r;function i(e){for(var r,i=arguments.length,a=new Array(i>1?i-1:0),n=1;n=e.endSN&&!t.nextStart){var a=e.partList;if(null!=a&&a.length){var n=a[a.length-1];return nt.isBuffered(this.media,n.start+n.duration/2)}var s=i.getState(r);return s===$.PARTIAL||s===$.OK}return!1},f.onMediaAttached=function(t,e){var r=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),r.addEventListener("seeking",this.onvseeking),r.addEventListener("ended",this.onvended);var i=this.config;this.levels&&i.autoStartLoad&&this.state===Dt&&this.startLoad(i.startPosition)},f.onMediaDetaching=function(){var t=this.media;null!=t&&t.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},f.onMediaSeeking=function(){var t=this.config,e=this.fragCurrent,r=this.media,i=this.mediaBuffer,n=this.state,s=r?r.currentTime:0,o=nt.bufferInfo(i||r,s,t.maxBufferHole);if(this.log("media seeking to "+(Object(a.a)(s)?s.toFixed(3):s)+", state: "+n),n===Pt)this.resetLoadingState();else if(e&&!o.len){var l=t.maxFragLookUpTolerance,u=e.start-l,d=s>e.start+e.duration+l;(s0&&s&&s.key&&s.iv&&"AES-128"===s.method){var o=self.performance.now();return e.decrypter.webCryptoDecrypt(new Uint8Array(a),s.key.buffer,s.iv.buffer).then((function(e){var a=self.performance.now();return i.trigger(n.a.FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:o,tdecrypt:a}}),r.payload=e,r}))}return r})).then((function(r){var i=e.fragCurrent,a=e.hls,s=e.levels;if(!s)throw new Error("init load aborted, missing levels");s[t.level].details;var o=t.stats;e.state=_t,e.fragLoadError=0,t.data=new Uint8Array(r.payload),o.parsing.start=o.buffering.start=self.performance.now(),o.parsing.end=o.buffering.end=self.performance.now(),r.frag===i&&a.trigger(n.a.FRAG_BUFFERED,{stats:o,frag:i,part:null,id:t.type}),e.tick()})).catch((function(r){e.warn(r),e.resetFragmentLoading(t)}))},f.fragContextChanged=function(t){var e=this.fragCurrent;return!t||!e||t.level!==e.level||t.sn!==e.sn||t.urlId!==e.urlId},f.fragBufferedComplete=function(t,e){var r=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+t.type+" sn: "+t.sn+(e?" part: "+e.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level+" "+Lt.toString(nt.getBuffered(r))),this.state=_t,this.tick()},f._handleFragmentLoadComplete=function(t){var e=this.transmuxer;if(e){var r=t.frag,i=t.part,a=t.partsLoaded,n=!a||0===a.length||a.some((function(t){return!t})),s=new st(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!n);e.flush(s)}},f._handleFragmentLoadProgress=function(t){},f._doFragLoad=function(t,e,r,i){var s=this;if(void 0===r&&(r=null),!this.levels)throw new Error("frag load aborted, missing levels");if(r=Math.max(t.start,r||0),this.config.lowLatencyMode&&e){var o=e.partList;if(o&&i){r>t.end&&e.fragmentHint&&(t=e.fragmentHint);var l=this.getNextPart(o,t,r);if(l>-1){var u=o[l];return this.log("Loading part sn: "+t.sn+" p: "+u.index+" cc: "+t.cc+" of playlist ["+e.startSN+"-"+e.endSN+"] parts [0-"+l+"-"+(o.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=u.start+u.duration,this.state=xt,this.hls.trigger(n.a.FRAG_LOADING,{frag:t,part:o[l],targetBufferTime:r}),this.doFragPartsLoad(t,o,l,i).catch((function(t){return s.handleFragLoadError(t)}))}if(!t.url||this.loadedEndOfParts(o,r))return Promise.resolve(null)}}return this.log("Loading fragment "+t.sn+" cc: "+t.cc+" "+(e?"of ["+e.startSN+"-"+e.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),Object(a.a)(t.sn)&&!this.bitrateTest&&(this.nextLoadPosition=t.start+t.duration),this.state=xt,this.hls.trigger(n.a.FRAG_LOADING,{frag:t,targetBufferTime:r}),this.fragmentLoader.load(t,i).catch((function(t){return s.handleFragLoadError(t)}))},f.doFragPartsLoad=function(t,e,r,i){var a=this;return new Promise((function(s,o){var l=[];!function r(u){var d=e[u];a.fragmentLoader.loadPart(t,d,i).then((function(i){l[d.index]=i;var o=i.part;a.hls.trigger(n.a.FRAG_LOADED,i);var h=e[u+1];if(!h||h.fragment!==t)return s({frag:t,part:o,partsLoaded:l});r(u+1)})).catch(o)}(r)}))},f.handleFragLoadError=function(t){var e=t.data;return e&&e.details===s.a.INTERNAL_ABORTED?this.handleFragLoadAborted(e.frag,e.part):this.hls.trigger(n.a.ERROR,e),null},f._handleTransmuxerFlush=function(t){var e=this.getCurrentContext(t);if(e&&this.state===wt){var r=e.frag,i=e.part,a=e.level,n=self.performance.now();r.stats.parsing.end=n,i&&(i.stats.parsing.end=n),this.updateLevelTiming(r,i,a,t.partial)}else this.fragCurrent||(this.state=_t)},f.getCurrentContext=function(t){var e=this.levels,r=t.level,i=t.sn,a=t.part;if(!e||!e[r])return this.warn("Levels object was unset while buffering fragment "+i+" of level "+r+". The current chunk will not be buffered."),null;var n=e[r],s=a>-1?function(t,e,r){if(!t||!t.details)return null;var i=t.details.partList;if(i)for(var a=i.length;a--;){var n=i[a];if(n.index===r&&n.fragment.sn===e)return n}return null}(n,i,a):null,o=s?s.fragment:function(t,e,r){if(!t||!t.details)return null;var i=t.details,a=i.fragments[e-i.startSN];return a||((a=i.fragmentHint)&&a.sn===e?a:en&&this.flushMainBuffer(s,t.start)}else this.flushMainBuffer(0,t.start)},f.getFwdBufferInfo=function(t,e){var r=this.config,i=this.getLoadPosition();if(!Object(a.a)(i))return null;var n=nt.bufferInfo(t,i,r.maxBufferHole);if(0===n.len&&void 0!==n.nextStart){var s=this.fragmentTracker.getBufferedFrag(i,e);if(s&&n.nextStart=r&&(e.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},f.getNextFragment=function(t,e){var r,i,a=e.fragments,n=a.length;if(!n)return null;var s,o=this.config,l=a[0].start;if(e.live){var u=o.initialLiveManifestSize;if(n-1&&rr.start&&r.loaded},f.getInitialLiveFragment=function(t,e){var r=this.fragPrevious,i=null;if(r){if(t.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+r.programDateTime),i=function(t,e,r){if(null===e||!Array.isArray(t)||!t.length||!Object(a.a)(e))return null;if(e<(t[0].programDateTime||0))return null;if(e>=(t[t.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;i=t.startSN&&n<=t.endSN){var s=e[n-t.startSN];r.cc===s.cc&&(i=s,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=function(t,e){return dt.search(t,(function(t){return t.cce?-1:0}))}(e,r.cc))&&this.log("Live playlist, switching playlist, load frag with same CC: "+i.sn)}}else{var o=this.hls.liveSyncPosition;null!==o&&(i=this.getFragmentAtPosition(o,this.bitrateTest?t.fragmentEnd:t.edge,t))}return i},f.getFragmentAtPosition=function(t,e,r){var i,a=this.config,n=this.fragPrevious,s=r.fragments,o=r.endSN,l=r.fragmentHint,u=a.maxFragLookUpTolerance,d=!!(a.lowLatencyMode&&r.partList&&l);(d&&l&&!this.bitrateTest&&(s=s.concat(l),o=l.sn),te-u?0:u):i=s[s.length-1];if(i){var h=i.sn-r.startSN,f=n&&i.level===n.level,c=s[h+1];if(this.fragmentTracker.getState(i)===$.BACKTRACKED){i=null;for(var v=h;s[v]&&this.fragmentTracker.getState(s[v])===$.BACKTRACKED;)i=n?s[v--]:s[--v];i||(i=c)}else n&&i.sn===n.sn&&!d&&f&&(i.sn=n-e.maxFragLookUpTolerance&&a<=s;if(null!==i&&r.duration>i&&(a"+t.startSN+" prev-sn: "+(n?n.sn:"na")+" fragments: "+o),h}return l},f.waitForCdnTuneIn=function(t){return t.live&&t.canBlockReload&&t.tuneInGoal>Math.max(t.partHoldBack,3*t.partTarget)},f.setStartPosition=function(t,e){var r=this.startPosition;if(r"+t))}}])&&At(u.prototype,d),h&&At(u,h),i}(it);function Bt(){return self.MediaSource||self.WebKitMediaSource}function Ut(){return self.SourceBuffer||self.WebKitSourceBuffer}var Gt=r(17),jt=r(9),Ht=r(13),Kt=Bt()||{isTypeSupported:function(){return!1}},Vt=function(){function t(t,e,r,i){var a=this;this.hls=void 0,this.id=void 0,this.observer=void 0,this.frag=null,this.part=null,this.worker=void 0,this.onwmsg=void 0,this.transmuxer=null,this.onTransmuxComplete=void 0,this.onFlush=void 0,this.hls=t,this.id=e,this.onTransmuxComplete=r,this.onFlush=i;var l=t.config,u=function(e,r){(r=r||{}).frag=a.frag,r.id=a.id,t.trigger(e,r)};this.observer=new Ht.EventEmitter,this.observer.on(n.a.FRAG_DECRYPTED,u),this.observer.on(n.a.ERROR,u);var d={mp4:Kt.isTypeSupported("video/mp4"),mpeg:Kt.isTypeSupported("audio/mpeg"),mp3:Kt.isTypeSupported('audio/mp4; codecs="mp3"')},h=navigator.vendor;if(l.enableWorker&&"undefined"!=typeof Worker){var f;o.b.log("demuxing in webworker");try{f=this.worker=Gt(18),this.onwmsg=this.onWorkerMessage.bind(this),f.addEventListener("message",this.onwmsg),f.onerror=function(e){t.trigger(n.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(e.message+" ("+e.filename+":"+e.lineno+")")})},f.postMessage({cmd:"init",typeSupported:d,vendor:h,id:e,config:JSON.stringify(l)})}catch(t){o.b.warn("Error in worker:",t),o.b.error("Error while initializing DemuxerWorker, fallback to inline"),f&&self.URL.revokeObjectURL(f.objectURL),this.transmuxer=new jt.c(this.observer,d,l,h,e),this.worker=null}}else this.transmuxer=new jt.c(this.observer,d,l,h,e)}var e=t.prototype;return e.destroy=function(){var t=this.worker;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.worker=null;else{var e=this.transmuxer;e&&(e.destroy(),this.transmuxer=null)}var r=this.observer;r&&r.removeAllListeners(),this.observer=null},e.push=function(t,e,r,i,a,n,s,l,u,d){var h,f,c=this;u.transmuxing.start=self.performance.now();var v=this.transmuxer,g=this.worker,p=n?n.start:a.start,m=a.decryptdata,y=this.frag,b=!(y&&a.cc===y.cc),T=!(y&&u.level===y.level),E=y?u.sn-y.sn:-1,S=this.part?u.part-this.part.index:1,L=!T&&(1===E||0===E&&1===S),A=self.performance.now();(T||E||0===a.stats.parsing.start)&&(a.stats.parsing.start=A),!n||!S&&L||(n.stats.parsing.start=A);var R=!(y&&(null===(h=a.initSegment)||void 0===h?void 0:h.url)===(null===(f=y.initSegment)||void 0===f?void 0:f.url)),D=new jt.b(b,L,l,T,p,R);if(!L||b||R){o.b.log("[transmuxer-interface, "+a.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n discontinuity: "+b+"\n trackSwitch: "+T+"\n contiguous: "+L+"\n accurateTimeOffset: "+l+"\n timeOffset: "+p+"\n initSegmentChange: "+R);var _=new jt.a(r,i,e,s,d);this.configureTransmuxer(_)}if(this.frag=a,this.part=n,g)g.postMessage({cmd:"demux",data:t,decryptdata:m,chunkMeta:u,state:D},t instanceof ArrayBuffer?[t]:[]);else if(v){var k=v.push(t,m,u,D);Object(jt.d)(k)?k.then((function(t){c.handleTransmuxComplete(t)})):this.handleTransmuxComplete(k)}},e.flush=function(t){var e=this;t.transmuxing.start=self.performance.now();var r=this.transmuxer,i=this.worker;if(i)i.postMessage({cmd:"flush",chunkMeta:t});else if(r){var a=r.flush(t);Object(jt.d)(a)?a.then((function(r){e.handleFlushResult(r,t)})):this.handleFlushResult(a,t)}},e.handleFlushResult=function(t,e){var r=this;t.forEach((function(t){r.handleTransmuxComplete(t)})),this.onFlush(e)},e.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(e.data);break;case"flush":this.onFlush(e.data);break;default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data)}},e.configureTransmuxer=function(t){var e=this.worker,r=this.transmuxer;e?e.postMessage({cmd:"configure",config:t}):r&&r.configure(t)},e.handleTransmuxComplete=function(t){t.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(t)},t}(),Wt=function(){function t(t,e,r,i){this.config=void 0,this.media=void 0,this.fragmentTracker=void 0,this.hls=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.config=t,this.media=e,this.fragmentTracker=r,this.hls=i}var e=t.prototype;return e.destroy=function(){this.hls=this.fragmentTracker=this.media=null},e.poll=function(t){var e=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,l=!this.seeking&&n;if(this.seeking=n,a===t){if((l||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&nt.getBuffered(r).length){var u=nt.bufferInfo(r,a,0),d=u.len>0,h=u.nextStart||0;if(d||h){if(n){var f=u.len>2,c=!h||h-a>2&&!this.fragmentTracker.getPartialFragment(a);if(f||c)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var v,g=Math.max(h,u.start||0)-a,p=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,m=(null==p||null===(v=p.details)||void 0===v?void 0:v.live)?2*p.details.targetduration:2;if(g>0&&g<=m)return void this._trySkipBufferHole(null)}var y=self.performance.now();if(null!==i){var b=y-i;!n&&b>=250&&this._reportStall(u.len);var T=nt.bufferInfo(r,a,e.maxBufferHole);this._tryFixBufferStall(T,b)}else this.stalled=y}}}else if(this.moved=!0,null!==i){if(this.stallReported){var E=self.performance.now()-i;o.b.warn("playback not stuck anymore @"+a+", after "+Math.round(E)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},e._tryFixBufferStall=function(t,e){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;t.len>r.maxBufferHole&&e>1e3*r.highBufferWatchdogPeriod&&(o.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},e._reportStall=function(t){var e=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,o.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer (buffer="+t+")"),e.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:t}))},e._trySkipBufferHole=function(t){for(var e=this.config,r=this.hls,i=this.media,a=i.currentTime,l=0,u=nt.getBuffered(i),d=0;d=l&&a0&&-1===t&&(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=_t,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this._forceStartLoad=!0,this.state=Dt},f.stopLoad=function(){this._forceStartLoad=!1,t.prototype.stopLoad.call(this)},f.doTick=function(){switch(this.state){case _t:this.doTickIdle();break;case Mt:var t,e=this.levels,r=this.level,i=null==e||null===(t=e[r])||void 0===t?void 0:t.details;if(i&&(!i.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(i))break;this.state=_t;break}break;case Ct:var a,n=self.performance.now(),s=this.retryDate;(!s||n>=s||null!==(a=this.media)&&void 0!==a&&a.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.state=_t)}this.onTickEnd()},f.onTickEnd=function(){t.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},f.doTickIdle=function(){var t,e,r=this.hls,i=this.levelLastLoaded,a=this.levels,s=this.media,o=r.config,l=r.nextLoadLevel;if(null!==i&&(s||!this.startFragRequested&&o.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&a&&a[l]){var d=a[l];this.level=r.nextLoadLevel=l;var h=d.details;if(!h||this.state===Mt||h.live&&this.levelLastLoaded!==l)this.state=Mt;else{var f=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:s,_.b.MAIN);if(null!==f)if(!(f.len>=this.getMaxBufferLength(d.maxBitrate))){if(this._streamEnded(f,h)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(n.a.BUFFER_EOS,c),void(this.state=Pt)}var v=f.end,g=this.getNextFragment(v,h);if(this.couldBacktrack&&!this.fragPrevious&&g&&"initSegment"!==g.sn){var p=g.sn-h.startSN;p>1&&(g=h.fragments[p-1],this.fragmentTracker.removeFragment(g))}if(g&&this.fragmentTracker.getState(g)===$.OK&&this.nextLoadPosition>v){var m=this.audioOnly&&!this.altAudio?u.a.AUDIO:u.a.VIDEO;this.afterBufferFlushed(s,m,_.b.MAIN),g=this.getNextFragment(this.nextLoadPosition,h)}g&&(!g.initSegment||g.initSegment.data||this.bitrateTest||(g=g.initSegment),"identity"!==(null===(t=g.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=g.decryptdata)&&void 0!==e&&e.key?this.loadFragment(g,h,v):this.loadKey(g,h))}}}},f.loadFragment=function(e,r,i){var a,n=this.fragmentTracker.getState(e);if(this.fragCurrent=e,n===$.BACKTRACKED){var s=this.fragmentTracker.getBacktrackData(e);if(s)return this._handleFragmentLoadProgress(s),void this._handleFragmentLoadComplete(s);n=$.NOT_LOADED}n===$.NOT_LOADED||n===$.PARTIAL?"initSegment"===e.sn?this._loadInitSegment(e):this.bitrateTest?(e.bitrateTest=!0,this.log("Fragment "+e.sn+" of level "+e.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(e)):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,r,i)):n===$.APPENDING?this.reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e):0===(null===(a=this.media)||void 0===a?void 0:a.buffered.length)&&this.fragmentTracker.removeAllFragments()},f.getAppendedFrag=function(t){var e=this.fragmentTracker.getAppendedFrag(t,_.b.MAIN);return e&&"fragment"in e?e.fragment:e},f.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,_.b.MAIN)},f.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.end+.5):null},f.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},f.nextLevelSwitch=function(){var t=this.levels,e=this.media;if(null!=e&&e.readyState){var r,i=this.getAppendedFrag(e.currentTime);if(i&&i.start>1&&this.flushMainBuffer(0,i.start-1),!e.paused&&t){var a=t[this.hls.nextLoadLevel],n=this.fragLastKbps;r=n&&this.fragCurrent?this.fragCurrent.duration*a.maxBitrate/(1e3*n)+1:0}else r=0;var s=this.getBufferedFrag(e.currentTime+r);if(s){var o=this.followingBufferedFrag(s);if(o){this.abortCurrentFrag();var l=o.maxStartPTS?o.maxStartPTS:o.start,u=o.duration,d=Math.max(s.end,l+Math.min(Math.max(u-this.config.maxFragLookUpTolerance,.5*u),.75*u));this.flushMainBuffer(d,Number.POSITIVE_INFINITY)}}}},f.abortCurrentFrag=function(){var t=this.fragCurrent;this.fragCurrent=null,null!=t&&t.loader&&t.loader.abort(),this.state===kt&&(this.state=_t),this.nextLoadPosition=this.getLoadPosition()},f.flushMainBuffer=function(e,r){t.prototype.flushMainBuffer.call(this,e,r,this.altAudio?"video":null)},f.onMediaAttached=function(e,r){t.prototype.onMediaAttached.call(this,e,r);var i=r.media;this.onvplaying=this.onMediaPlaying.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),i.addEventListener("playing",this.onvplaying),i.addEventListener("seeked",this.onvseeked),this.gapController=new Wt(this.config,i,this.fragmentTracker,this.hls)},f.onMediaDetaching=function(){var e=this.media;e&&(e.removeEventListener("playing",this.onvplaying),e.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),t.prototype.onMediaDetaching.call(this)},f.onMediaPlaying=function(){this.tick()},f.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:null;Object(a.a)(e)&&this.log("Media seeked to "+e.toFixed(3)),this.tick()},f.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(n.a.BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.couldBacktrack=this.stalled=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null},f.onManifestParsed=function(t,e){var r,i,a,n=!1,s=!1;e.levels.forEach((function(t){(r=t.audioCodec)&&(-1!==r.indexOf("mp4a.40.2")&&(n=!0),-1!==r.indexOf("mp4a.40.5")&&(s=!0))})),this.audioCodecSwitch=n&&s&&!("function"==typeof(null==(a=Ut())||null===(i=a.prototype)||void 0===i?void 0:i.changeType)),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=e.levels,this.startFragRequested=!1},f.onLevelLoading=function(t,e){var r=this.levels;if(r&&this.state===_t){var i=r[e.level];(!i.details||i.details.live&&this.levelLastLoaded!==e.level||this.waitForCdnTuneIn(i.details))&&(this.state=Mt)}},f.onLevelLoaded=function(t,e){var r,i=this.levels,a=e.level,s=e.details,o=s.totalduration;if(i){this.log("Level "+a+" loaded ["+s.startSN+","+s.endSN+"], cc ["+s.startCC+", "+s.endCC+"] duration:"+o);var l=this.fragCurrent;!l||this.state!==xt&&this.state!==Ct||l.level!==e.level&&l.loader&&(this.state=_t,l.loader.abort());var u=i[a],d=0;if(s.live||null!==(r=u.details)&&void 0!==r&&r.live){if(s.fragments[0]||(s.deltaUpdateFailed=!0),s.deltaUpdateFailed)return;d=this.alignPlaylists(s,u.details)}if(u.details=s,this.levelLastLoaded=a,this.hls.trigger(n.a.LEVEL_UPDATED,{details:s,level:a}),this.state===Mt){if(this.waitForCdnTuneIn(s))return;this.state=_t}this.startFragRequested?s.live&&this.synchronizeToLiveEdge(s):this.setStartPosition(s,d),this.tick()}else this.warn("Levels were reset while loading level "+a)},f._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,a=t.payload,n=this.levels;if(n){var s=n[r.level],o=s.details;if(o){var l=s.videoCodec,u=o.PTSKnown||!o.live,d=null===(e=r.initSegment)||void 0===e?void 0:e.data,h=this._getAudioCodec(s),f=this.transmuxer=this.transmuxer||new Vt(this.hls,_.b.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),c=i?i.index:-1,v=-1!==c,g=new st(r.level,r.sn,r.stats.chunkCount,a.byteLength,c,v),p=this.initPTS[r.cc];f.push(a,d,h,l,r,i,o.totalduration,u,g,p)}else this.warn("Dropping fragment "+r.sn+" of level "+r.level+" after level details were reset")}else this.warn("Levels were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},f.onAudioTrackSwitching=function(t,e){var r=this.altAudio,i=!!e.url,a=e.id;if(!i){if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var s=this.fragCurrent;null!=s&&s.loader&&(this.log("Switching to main audio track, cancel main fragment load"),s.loader.abort()),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;r&&o.trigger(n.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(n.a.AUDIO_TRACK_SWITCHED,{id:a})}},f.onAudioTrackSwitched=function(t,e){var r=e.id,i=!!this.hls.audioTracks[r].url;if(i){var a=this.videoBuffer;a&&this.mediaBuffer!==a&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=a)}this.altAudio=i,this.tick()},f.onBufferCreated=function(t,e){var r,i,a=e.tracks,n=!1;for(var s in a){var o=a[s];if("main"===o.id){if(i=s,r=o,"video"===s){var l=a[s];l&&(this.videoBuffer=l.buffer)}}else n=!0}n&&r?(this.log("Alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},f.onFragBuffered=function(t,e){var r=e.frag,i=e.part;if(!r||r.type===_.b.MAIN){if(this.fragContextChanged(r))return this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state),void(this.state===Ot&&(this.state=_t));var a=i?i.stats:r.stats;this.fragLastKbps=Math.round(8*a.total/(a.buffering.end-a.loading.first)),"initSegment"!==r.sn&&(this.fragPrevious=r),this.fragBufferedComplete(r,i)}},f.onError=function(t,e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(_.b.MAIN,e);break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:this.state!==Ft&&(e.fatal?(this.warn(""+e.details),this.state=Ft):e.levelRetry||this.state!==Mt||(this.state=_t));break;case s.a.BUFFER_FULL_ERROR:if("main"===e.parent&&(this.state===wt||this.state===Ot)){var r=!0,i=this.getFwdBufferInfo(this.media,_.b.MAIN);i&&i.len>.5&&(r=!this.reduceMaxBufferLength(i.len)),r&&(this.warn("buffer full error also media.currentTime is not buffered, flush main"),this.immediateLevelSwitch()),this.resetLoadingState()}}},f.checkBuffer=function(){var t=this.media,e=this.gapController;if(t&&e&&t.readyState){var r=nt.getBuffered(t);!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this.seekToStartPos()):e.poll(this.lastCurrentTime),this.lastCurrentTime=t.currentTime}},f.onFragLoadEmergencyAborted=function(){this.state=_t,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},f.onBufferFlushed=function(t,e){var r=e.type;if(r!==u.a.AUDIO||this.audioOnly&&!this.altAudio){var i=(r===u.a.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r,_.b.MAIN)}},f.onLevelsUpdated=function(t,e){this.levels=e.levels},f.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},f.seekToStartPos=function(){var t=this.media,e=t.currentTime,r=this.startPosition;if(r>=0&&e0&&(a1&&!1===t.seeking){var r=t.currentTime;if(nt.isBuffered(t,r)?e=this.getAppendedFrag(r):nt.isBuffered(t,r+.1)&&(e=this.getAppendedFrag(r+.1)),e){var i=this.fragPlaying,a=e.level;i&&e.sn===i.sn&&i.level===a&&e.urlId===i.urlId||(this.hls.trigger(n.a.FRAG_CHANGED,{frag:e}),i&&i.level===a||this.hls.trigger(n.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=e)}}},l=i,(d=[{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);return this.followingBufferedFrag(e)}return null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])&&Yt(l.prototype,d),h&&Yt(l,h),i}(Nt),zt=function(){function t(t,e,r){void 0===e&&(e=0),void 0===r&&(r=0),this.halfLife=void 0,this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.halfLife=t,this.alpha_=t?Math.exp(Math.log(.5)/t):0,this.estimate_=e,this.totalWeight_=r}var e=t.prototype;return e.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},e.getTotalWeight=function(){return this.totalWeight_},e.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);if(t)return this.estimate_/t}return this.estimate_},t}(),Qt=function(){function t(t,e,r){this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.defaultEstimate_=r,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new zt(t),this.fast_=new zt(e)}var e=t.prototype;return e.update=function(t,e){var r=this.slow_,i=this.fast_;this.slow_.halfLife!==t&&(this.slow_=new zt(t,r.getEstimate(),r.getTotalWeight())),this.fast_.halfLife!==e&&(this.fast_=new zt(e,i.getEstimate(),i.getTotalWeight()))},e.sample=function(t,e){var r=(t=Math.max(t,this.minDelayMs_))/1e3,i=8*e/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},e.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},e.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},e.destroy=function(){},t}();function $t(t,e){for(var r=0;r=2*d/f||y<=T)){var E,S=Number.POSITIVE_INFINITY;for(E=t.level-1;E>v;E--){if((S=d*c[E].maxBitrate/(6.4*m))=y)){var L=this.bwEstimator.getEstimate();o.b.warn("Fragment "+t.sn+(e?" part "+e.index:"")+" of level "+t.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+E+"\n Current BW estimate: "+(Object(a.a)(L)?(L/1024).toFixed(3):"Unknown")+" Kb/s\n Estimated load time for current fragment: "+y.toFixed(3)+" s\n Estimated load time for the next fragment: "+S.toFixed(3)+" s\n Time to underbuffer: "+T.toFixed(3)+" s"),r.nextLoadLevel=E,this.bwEstimator.sample(h,u.loaded),this.clearTimer(),t.loader&&(this.fragCurrent=this.partCurrent=null,t.loader.abort()),r.trigger(n.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:t,part:e,stats:u})}}}}}},l.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if(r.type===_.b.MAIN&&Object(a.a)(r.sn)){var s=i?i.stats:r.stats,o=i?i.duration:r.duration;if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var l=this.hls.levels[r.level],u=(l.loaded?l.loaded.bytes:0)+s.loaded,d=(l.loaded?l.loaded.duration:0)+o;l.loaded={bytes:u,duration:d},l.realBitrate=Math.round(8*u/d)}if(r.bitrateTest){var h={stats:s,frag:r,part:i,id:r.type};this.onFragBuffered(n.a.FRAG_BUFFERED,h),r.bitrateTest=!1}}},l.onFragBuffered=function(t,e){var r=e.frag,i=e.part,a=i?i.stats:r.stats;if(!a.aborted&&r.type===_.b.MAIN&&"initSegment"!==r.sn){var n=a.parsing.end-a.loading.start;this.bwEstimator.sample(n,a.loaded),a.bwEstimate=this.bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=n/1e3:this.bitrateTestDelay=0}},l.onError=function(t,e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},l.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},l.getNextABRAutoLevel=function(){var t=this.fragCurrent,e=this.partCurrent,r=this.hls,i=r.maxAutoLevel,a=r.config,n=r.minAutoLevel,s=r.media,l=e?e.duration:t?t.duration:0,u=s?s.currentTime:0,d=s&&0!==s.playbackRate?Math.abs(s.playbackRate):1,h=this.bwEstimator?this.bwEstimator.getEstimate():a.abrEwmaDefaultEstimate,f=(nt.bufferInfo(s,u,a.maxBufferHole).end-u)/d,c=this.findBestLevel(h,n,i,f,a.abrBandWidthFactor,a.abrBandWidthUpFactor);if(c>=0)return c;o.b.trace((f?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var v=l?Math.min(l,a.maxStarvationDelay):a.maxStarvationDelay,g=a.abrBandWidthFactor,p=a.abrBandWidthUpFactor;if(!f){var m=this.bitrateTestDelay;if(m)v=(l?Math.min(l,a.maxLoadingDelay):a.maxLoadingDelay)-m,o.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),g=p=1}return c=this.findBestLevel(h,n,i,f+v,g,p),Math.max(c,0)},l.findBestLevel=function(t,e,r,i,a,n){for(var s,l=this.fragCurrent,u=this.partCurrent,d=this.lastLoadedFragLevel,h=this.hls.levels,f=h[d],c=!(null==f||null===(s=f.details)||void 0===s||!s.live),v=null==f?void 0:f.codecSet,g=u?u.duration:l?l.duration:0,p=r;p>=e;p--){var m=h[p];if(m&&(!v||m.codecSet===v)){var y=m.details,b=(u?null==y?void 0:y.partTarget:null==y?void 0:y.averagetargetduration)||g,T=void 0;T=p<=d?a*t:n*t;var E=h[p].maxBitrate,S=E*b/T;if(o.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+p+"/"+Math.round(T)+"/"+E+"/"+b+"/"+i+"/"+S),T>E&&(!S||c&&!this.bitrateTestDelay||S0||Object.keys(this.pendingTracks).length>0},e.destroy=function(){this.unregisterListeners(),this.details=null},e.registerListeners=function(){var t=this.hls;t.on(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(n.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(n.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(n.a.BUFFER_RESET,this.onBufferReset,this),t.on(n.a.BUFFER_APPENDING,this.onBufferAppending,this),t.on(n.a.BUFFER_CODECS,this.onBufferCodecs,this),t.on(n.a.BUFFER_EOS,this.onBufferEos,this),t.on(n.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(n.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.on(n.a.FRAG_PARSED,this.onFragParsed,this),t.on(n.a.FRAG_CHANGED,this.onFragChanged,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(n.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(n.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(n.a.BUFFER_RESET,this.onBufferReset,this),t.off(n.a.BUFFER_APPENDING,this.onBufferAppending,this),t.off(n.a.BUFFER_CODECS,this.onBufferCodecs,this),t.off(n.a.BUFFER_EOS,this.onBufferEos,this),t.off(n.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(n.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.off(n.a.FRAG_PARSED,this.onFragParsed,this),t.off(n.a.FRAG_CHANGED,this.onFragChanged,this)},e._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new ee(this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},e.onManifestParsed=function(t,e){var r=2;(e.audio&&!e.video||!e.altAudio)&&(r=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=r,this.details=null,o.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},e.onMediaAttaching=function(t,e){var r=this.media=e.media;if(r&&re){var i=this.mediaSource=new re;i.addEventListener("sourceopen",this._onMediaSourceOpen),i.addEventListener("sourceended",this._onMediaSourceEnded),i.addEventListener("sourceclose",this._onMediaSourceClose),r.src=self.URL.createObjectURL(i),this._objectUrl=r.src}},e.onMediaDetaching=function(){var t=this.media,e=this.mediaSource,r=this._objectUrl;if(e){if(o.b.log("[buffer-controller]: media source detaching"),"open"===e.readyState)try{e.endOfStream()}catch(t){o.b.warn("[buffer-controller]: onMediaDetaching: "+t.message+" while calling endOfStream")}this.onBufferReset(),e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),t&&(r&&self.URL.revokeObjectURL(r),t.src===r?(t.removeAttribute("src"),t.load()):o.b.warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={}}this.hls.trigger(n.a.MEDIA_DETACHED,void 0)},e.onBufferReset=function(){var t=this;this.getSourceBufferTypes().forEach((function(e){var r=t.sourceBuffer[e];try{r&&(t.removeBufferListeners(e),t.mediaSource&&t.mediaSource.removeSourceBuffer(r),t.sourceBuffer[e]=void 0)}catch(t){o.b.warn("[buffer-controller]: Failed to reset the "+e+" buffer",t)}})),this._initSourceBuffer()},e.onBufferCodecs=function(t,e){var r=this,i=this.getSourceBufferTypes().length;Object.keys(e).forEach((function(t){if(i){var a=r.tracks[t];if(a&&"function"==typeof a.buffer.changeType){var n=e[t],s=n.codec,o=n.levelCodec,l=n.container;if((a.levelCodec||a.codec).replace(ie,"$1")!==(o||s).replace(ie,"$1")){var u=l+";codecs="+(o||s);r.appendChangeType(t,u)}}}else r.pendingTracks[t]=e[t]})),i||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},e.appendChangeType=function(t,e){var r=this,i=this.operationQueue,a={execute:function(){var a=r.sourceBuffer[t];a&&(o.b.log("[buffer-controller]: changing "+t+" sourceBuffer type to "+e),a.changeType(e)),i.shiftAndExecuteNext(t)},onStart:function(){},onComplete:function(){},onError:function(e){o.b.warn("[buffer-controller]: Failed to change "+t+" SourceBuffer type",e)}};i.append(a,t)},e.onBufferAppending=function(t,e){var r=this,i=this.hls,a=this.operationQueue,l=this.tracks,u=e.data,d=e.type,h=e.frag,f=e.part,c=e.chunkMeta,v=c.buffering[d],g=self.performance.now();v.start=g;var p=h.stats.buffering,m=f?f.stats.buffering:null;0===p.start&&(p.start=g),m&&0===m.start&&(m.start=g);var y=l.audio,b="audio"===d&&1===c.id&&"audio/mpeg"===(null==y?void 0:y.container),T={execute:function(){if(v.executeStart=self.performance.now(),b){var t=r.sourceBuffer[d];if(t){var e=h.start-t.timestampOffset;Math.abs(e)>=.1&&(o.b.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+h.start+" (delta: "+e+") sn: "+h.sn+")"),t.timestampOffset=h.start)}}r.appendExecutor(u,d)},onStart:function(){},onComplete:function(){var t=self.performance.now();v.executeEnd=v.end=t,0===p.first&&(p.first=t),m&&0===m.first&&(m.first=t);var e=r.sourceBuffer,i={};for(var a in e)i[a]=nt.getBuffered(e[a]);r.appendError=0,r.hls.trigger(n.a.BUFFER_APPENDED,{type:d,frag:h,part:f,chunkMeta:c,parent:h.type,timeRanges:i})},onError:function(t){o.b.error("[buffer-controller]: Error encountered while trying to append to the "+d+" SourceBuffer",t);var e={type:s.b.MEDIA_ERROR,parent:h.type,details:s.a.BUFFER_APPEND_ERROR,err:t,fatal:!1};t.code===DOMException.QUOTA_EXCEEDED_ERR?e.details=s.a.BUFFER_FULL_ERROR:(r.appendError++,e.details=s.a.BUFFER_APPEND_ERROR,r.appendError>i.config.appendErrorMaxRetry&&(o.b.error("[buffer-controller]: Failed "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),e.fatal=!0)),i.trigger(n.a.ERROR,e)}};a.append(T,d)},e.onBufferFlushing=function(t,e){var r=this,i=this.operationQueue,a=function(t){return{execute:r.removeExecutor.bind(r,t,e.startOffset,e.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(n.a.BUFFER_FLUSHED,{type:t})},onError:function(e){o.b.warn("[buffer-controller]: Failed to remove from "+t+" SourceBuffer",e)}}};e.type?i.append(a(e.type),e.type):this.getSourceBufferTypes().forEach((function(t){i.append(a(t),t)}))},e.onFragParsed=function(t,e){var r=this,i=e.frag,a=e.part,s=[],l=a?a.elementaryStreams:i.elementaryStreams;l[u.a.AUDIOVIDEO]?s.push("audiovideo"):(l[u.a.AUDIO]&&s.push("audio"),l[u.a.VIDEO]&&s.push("video"));0===s.length&&o.b.warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers((function(){var t=self.performance.now();i.stats.buffering.end=t,a&&(a.stats.buffering.end=t);var e=a?a.stats:i.stats;r.hls.trigger(n.a.FRAG_BUFFERED,{frag:i,part:a,stats:e,id:i.type})}),s)},e.onFragChanged=function(t,e){this.flushBackBuffer()},e.onBufferEos=function(t,e){var r=this;this.getSourceBufferTypes().reduce((function(t,i){var a=r.sourceBuffer[i];return e.type&&e.type!==i||a&&!a.ended&&(a.ended=!0,o.b.log("[buffer-controller]: "+i+" sourceBuffer now EOS")),t&&!(a&&!a.ended)}),!0)&&this.blockBuffers((function(){var t=r.mediaSource;t&&"open"===t.readyState&&t.endOfStream()}))},e.onLevelUpdated=function(t,e){var r=e.details;r.fragments.length&&(this.details=r,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},e.flushBackBuffer=function(){var t=this.hls,e=this.details,r=this.media,i=this.sourceBuffer;if(r&&null!==e){var s=this.getSourceBufferTypes();if(s.length){var o=e.live&&null!==t.config.liveBackBufferLength?t.config.liveBackBufferLength:t.config.backBufferLength;if(Object(a.a)(o)&&!(o<0)){var l=r.currentTime,u=e.levelTargetDuration,d=Math.max(o,u),h=Math.floor(l/u)*u-d;s.forEach((function(r){var a=i[r];if(a){var s=nt.getBuffered(a);s.length>0&&h>s.start(0)&&(t.trigger(n.a.BACK_BUFFER_REACHED,{bufferEnd:h}),e.live&&t.trigger(n.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:h}),t.trigger(n.a.BUFFER_FLUSHING,{startOffset:0,endOffset:h,type:r}))}}))}}}},e.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var t=this.details,e=this.hls,r=this.media,i=this.mediaSource,n=t.fragments[0].start+t.totalduration,s=r.duration,l=Object(a.a)(i.duration)?i.duration:0;t.live&&e.config.liveDurationInfinity?(o.b.log("[buffer-controller]: Media Source duration is set to Infinity"),i.duration=1/0,this.updateSeekableRange(t)):(n>l&&n>s||!Object(a.a)(s))&&(o.b.log("[buffer-controller]: Updating Media Source duration to "+n.toFixed(3)),i.duration=n)}},e.updateSeekableRange=function(t){var e=this.mediaSource,r=t.fragments;if(r.length&&t.live&&null!=e&&e.setLiveSeekableRange){var i=Math.max(0,r[0].start),a=Math.max(i,i+t.totalduration);e.setLiveSeekableRange(i,a)}},e.checkPendingTracks=function(){var t=this.bufferCodecEventsExpected,e=this.operationQueue,r=this.pendingTracks,i=Object.keys(r).length;if(i&&!t||2===i){this.createSourceBuffers(r),this.pendingTracks={};var a=this.getSourceBufferTypes();if(0===a.length)return void this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,reason:"could not create source buffer for media codec(s)"});a.forEach((function(t){e.executeNext(t)}))}},e.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");var i=0;for(var a in t)if(!e[a]){var l=t[a];if(!l)throw Error("source buffer exists for track "+a+", however track does not");var u=l.levelCodec||l.codec,d=l.container+";codecs="+u;o.b.log("[buffer-controller]: creating sourceBuffer("+d+")");try{var h=e[a]=r.addSourceBuffer(d),f=a;this.addBufferListener(f,"updatestart",this._onSBUpdateStart),this.addBufferListener(f,"updateend",this._onSBUpdateEnd),this.addBufferListener(f,"error",this._onSBUpdateError),this.tracks[a]={buffer:h,codec:u,container:l.container,levelCodec:l.levelCodec,id:l.id},i++}catch(t){o.b.error("[buffer-controller]: error while trying to add sourceBuffer: "+t.message),this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:t,mimeType:d})}}i&&this.hls.trigger(n.a.BUFFER_CREATED,{tracks:this.tracks})},e._onSBUpdateStart=function(t){this.operationQueue.current(t).onStart()},e._onSBUpdateEnd=function(t){var e=this.operationQueue;e.current(t).onComplete(),e.shiftAndExecuteNext(t)},e._onSBUpdateError=function(t,e){o.b.error("[buffer-controller]: "+t+" SourceBuffer error",e),this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_APPENDING_ERROR,fatal:!1});var r=this.operationQueue.current(t);r&&r.onError(e)},e.removeExecutor=function(t,e,r){var i=this.media,n=this.mediaSource,s=this.operationQueue,l=this.sourceBuffer[t];if(!i||!n||!l)return o.b.warn("[buffer-controller]: Attempting to remove from the "+t+" SourceBuffer, but it does not exist"),void s.shiftAndExecuteNext(t);var u=Object(a.a)(i.duration)?i.duration:1/0,d=Object(a.a)(n.duration)?n.duration:1/0,h=Math.max(0,e),f=Math.min(r,u,d);f>h?(o.b.log("[buffer-controller]: Removing ["+h+","+f+"] from the "+t+" SourceBuffer"),l.remove(h,f)):s.shiftAndExecuteNext(t)},e.appendExecutor=function(t,e){var r=this.operationQueue,i=this.sourceBuffer[e];if(!i)return o.b.warn("[buffer-controller]: Attempting to append to the "+e+" SourceBuffer, but it does not exist"),void r.shiftAndExecuteNext(e);i.ended=!1,i.appendBuffer(t)},e.blockBuffers=function(t,e){var r=this;if(void 0===e&&(e=this.getSourceBufferTypes()),!e.length)return o.b.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve(t);var i=this.operationQueue,a=e.map((function(t){return i.appendBlocker(t)}));Promise.all(a).then((function(){t(),e.forEach((function(t){var e=r.sourceBuffer[t];e&&e.updating||i.shiftAndExecuteNext(t)}))}))},e.getSourceBufferTypes=function(){return Object.keys(this.sourceBuffer)},e.addBufferListener=function(t,e,r){var i=this.sourceBuffer[t];if(i){var a=r.bind(this,t);this.listeners[t].push({event:e,listener:a}),i.addEventListener(e,a)}},e.removeBufferListeners=function(t){var e=this.sourceBuffer[t];e&&this.listeners[t].forEach((function(t){e.removeEventListener(t.event,t.listener)}))},t}();function ne(t,e){for(var r=0;r0&&this.mediaWidth>0){var t=this.hls.levels;if(t.length){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t.length-1),e.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},a.getMaxLevel=function(e){var r=this,i=this.hls.levels;if(!i.length)return-1;var a=i.filter((function(i,a){return t.isLevelAllowed(a,r.restrictedLevels)&&a<=e}));return this.clientRect=null,t.getMaxLevelByMediaSize(a,this.mediaWidth,this.mediaHeight)},a.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},a.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},a.getDimensions=function(){if(this.clientRect)return this.clientRect;var t=this.media,e={width:0,height:0};if(t){var r=t.getBoundingClientRect();e.width=r.width,e.height=r.height,e.width||e.height||(e.width=r.right-r.left||t.width||0,e.height=r.bottom-r.top||t.height||0)}return this.clientRect=e,e},t.isLevelAllowed=function(t,e){return void 0===e&&(e=[]),-1===e.indexOf(t)},t.getMaxLevelByMediaSize=function(t,e,r){if(!t||!t.length)return-1;for(var i,a,n=t.length-1,s=0;s=e||o.height>=r)&&(i=o,!(a=t[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},e=t,i=[{key:"contentScaleFactor",get:function(){var t=1;try{t=self.devicePixelRatio}catch(t){}return t}}],(r=[{key:"mediaWidth",get:function(){return this.getDimensions().width*t.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*t.contentScaleFactor}}])&&ne(e.prototype,r),i&&ne(e,i),t}(),oe=function(){function t(t){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=t,this.registerListeners()}var e=t.prototype;return e.setStreamController=function(t){this.streamController=t},e.registerListeners=function(){this.hls.on(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this)},e.unregisterListeners=function(){this.hls.off(n.a.MEDIA_ATTACHING,this.onMediaAttaching)},e.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},e.onMediaAttaching=function(t,e){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=e.media instanceof self.HTMLVideoElement?e.media:null;this.media=i,i&&"function"==typeof i.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),r.fpsDroppedMonitoringPeriod)}},e.checkFPS=function(t,e,r){var i=performance.now();if(e){if(this.lastTime){var a=i-this.lastTime,s=r-this.lastDroppedFrames,l=e-this.lastDecodedFrames,u=1e3*s/a,d=this.hls;if(d.trigger(n.a.FPS_DROP,{currentDropped:s,currentDecoded:l,totalDroppedFrames:r}),u>0&&s>d.config.fpsDroppedMonitoringThreshold*l){var h=d.currentLevel;o.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+h),h>0&&(-1===d.autoLevelCapping||d.autoLevelCapping>=h)&&(h-=1,d.trigger(n.a.FPS_DROP_LEVEL_CAPPING,{level:h,droppedLevel:d.currentLevel}),d.autoLevelCapping=h,this.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=e}},e.checkFPSInterval=function(){var t=this.media;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},t}(),le=r(12),ue=/^age:\s*[\d.]+\s*$/m,de=function(){function t(t){this.xhrSetup=void 0,this.requestTimeout=void 0,this.retryTimeout=void 0,this.retryDelay=void 0,this.config=null,this.callbacks=null,this.context=void 0,this.loader=null,this.stats=void 0,this.xhrSetup=t?t.xhrSetup:null,this.stats=new le.a,this.retryDelay=0}var e=t.prototype;return e.destroy=function(){this.callbacks=null,this.abortInternal(),this.loader=null,this.config=null},e.abortInternal=function(){var t=this.loader;self.clearTimeout(this.requestTimeout),self.clearTimeout(this.retryTimeout),t&&(t.onreadystatechange=null,t.onprogress=null,4!==t.readyState&&(this.stats.aborted=!0,t.abort()))},e.abort=function(){var t;this.abortInternal(),null!==(t=this.callbacks)&&void 0!==t&&t.onAbort&&this.callbacks.onAbort(this.stats,this.context,this.loader)},e.load=function(t,e,r){if(this.stats.loading.start)throw new Error("Loader can only be used once.");this.stats.loading.start=self.performance.now(),this.context=t,this.config=e,this.callbacks=r,this.retryDelay=e.retryDelay,this.loadInternal()},e.loadInternal=function(){var t=this.config,e=this.context;if(t){var r=this.loader=new self.XMLHttpRequest,i=this.stats;i.loading.first=0,i.loaded=0;var a=this.xhrSetup;try{if(a)try{a(r,e.url)}catch(t){r.open("GET",e.url,!0),a(r,e.url)}r.readyState||r.open("GET",e.url,!0);var n=this.context.headers;if(n)for(var s in n)r.setRequestHeader(s,n[s])}catch(t){return void this.callbacks.onError({code:r.status,text:t.message},e,r)}e.rangeEnd&&r.setRequestHeader("Range","bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),r.onreadystatechange=this.readystatechange.bind(this),r.onprogress=this.loadprogress.bind(this),r.responseType=e.responseType,self.clearTimeout(this.requestTimeout),this.requestTimeout=self.setTimeout(this.loadtimeout.bind(this),t.timeout),r.send()}},e.readystatechange=function(){var t=this.context,e=this.loader,r=this.stats;if(t&&e){var i=e.readyState,a=this.config;if(!r.aborted&&i>=2)if(self.clearTimeout(this.requestTimeout),0===r.loading.first&&(r.loading.first=Math.max(self.performance.now(),r.loading.start)),4===i){e.onreadystatechange=null,e.onprogress=null;var n=e.status;if(n>=200&&n<300){var s,l;if(r.loading.end=Math.max(self.performance.now(),r.loading.first),l="arraybuffer"===t.responseType?(s=e.response).byteLength:(s=e.responseText).length,r.loaded=r.total=l,!this.callbacks)return;var u=this.callbacks.onProgress;if(u&&u(r,t,s,e),!this.callbacks)return;var d={url:e.responseURL,data:s};this.callbacks.onSuccess(d,r,t,e)}else r.retry>=a.maxRetry||n>=400&&n<499?(o.b.error(n+" while loading "+t.url),this.callbacks.onError({code:n,text:e.statusText},t,e)):(o.b.warn(n+" while loading "+t.url+", retrying in 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Uint8Array(o[0].length+o[1].length);l.set(o[0]),l.set(o[1],o[0].length),o[0]=l,o.splice(1,1)}if(1===((t=o[0])[0]<<16)+(t[1]<<8)+t[2]){if((r=(t[4]<<8)+t[5])&&r>e.size-6)return null;var u=t[7];192&u&&(n=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2,64&u?n-(a=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>54e5&&(g.logger.warn(Math.round((n-a)/9e4)+"s delta between PTS and DTS, align them"),n=a):a=n);var d=(i=t[8])+9;if(e.size<=d)return null;e.size-=d;for(var h=new Uint8Array(e.size),f=0,c=o.length;fv){d-=v;continue}t=t.subarray(d),v-=d,d=0}h.set(t,s),s+=v}return r&&(r-=i+3),{data:h,pts:n,dts:a,len:r}}return null}function Y(e,t){if(e.units.length&&e.frame){if(void 0===e.pts){var r=t.samples,i=r.length;if(!i)return void t.dropped++;var n=r[i-1];e.pts=n.pts,e.dts=n.dts}t.samples.push(e)}e.debug.length&&g.logger.log(e.pts+"/"+e.dts+":"+e.debug)}const q=function(){function e(e,t,r){this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.sampleAes=null,this.pmtParsed=!1,this.audioCodec=void 0,this.videoCodec=void 0,this._duration=0,this._pmtId=-1,this._avcTrack=void 0,this._audioTrack=void 0,this._id3Track=void 0,this._txtTrack=void 0,this.aacOverFlow=null,this.avcSample=null,this.remainderData=null,this.observer=e,this.config=t,this.typeSupported=r}e.probe=function(t){var r=e.syncOffset(t);return r>0&&g.logger.warn("MPEG2-TS detected but first sync word found @ offset "+r),-1!==r},e.syncOffset=function(e){for(var t=Math.min(940,e.length-376)+1,r=0;r>4>1){if((x=R+5+t[R+4])===R+V)continue}else x=R+4;switch(_){case c:k&&(v&&(o=W(v))&&this.parseAVCPES(l,f,o,!1),v={data:[],size:0}),v&&(v.data.push(t.subarray(x,R+V)),v.size+=R+V-x);break;case p:if(k){if(y&&(o=W(y)))switch(u.segmentCodec){case"aac":this.parseAACPES(u,o);break;case"mp3":this.parseMPEGPES(u,o)}y={data:[],size:0}}y&&(y.data.push(t.subarray(x,R+V)),y.size+=R+V-x);break;case m:k&&(E&&(o=W(E))&&this.parseID3PES(h,o),E={data:[],size:0}),E&&(E.data.push(t.subarray(x,R+V)),E.size+=R+V-x);break;case 0:k&&(x+=t[x]+1),b=this._pmtId=j(t,x);break;case b:k&&(x+=t[x]+1);var I=K(t,x,this.typeSupported,a);(c=I.avc)>0&&(l.pid=c),(p=I.audio)>0&&(u.pid=p,u.segmentCodec=I.segmentCodec),(m=I.id3)>0&&(h.pid=m),null===T||S||(g.logger.log("unknown PID '"+T+"' in TS found"),T=null,R=A-188),S=this.pmtParsed=!0;break;case 17:case 8191:break;default:T=_}}else D++;D>0&&this.observer.emit(i.Events.ERROR,i.Events.ERROR,{type:n.ErrorTypes.MEDIA_ERROR,details:n.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"Found "+D+" TS packet/s that do not start with 0x47"}),l.pesData=v,u.pesData=y,h.pesData=E;var w={audioTrack:u,videoTrack:l,id3Track:h,textTrack:f};return s&&this.extractRemainingSamples(w),w},t.flush=function(){var e,t=this.remainderData;return this.remainderData=null,e=t?this.demux(t,-1,!1,!0):{videoTrack:this._avcTrack,audioTrack:this._audioTrack,id3Track:this._id3Track,textTrack:this._txtTrack},this.extractRemainingSamples(e),this.sampleAes?this.decrypt(e,this.sampleAes):e},t.extractRemainingSamples=function(e){var t,r=e.audioTrack,i=e.videoTrack,n=e.id3Track,a=e.textTrack,s=i.pesData,o=r.pesData,l=n.pesData;if(s&&(t=W(s))?(this.parseAVCPES(i,a,t,!0),i.pesData=null):i.pesData=s,o&&(t=W(o))){switch(r.segmentCodec){case"aac":this.parseAACPES(r,t);break;case"mp3":this.parseMPEGPES(r,t)}r.pesData=null}else null!=o&&o.size&&g.logger.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=o;l&&(t=W(l))?(this.parseID3PES(n,t),n.pesData=null):n.pesData=l},t.demuxSampleAes=function(e,t,r){var i=this.demux(e,r,!0,!this.config.progressive),n=this.sampleAes=new B(this.observer,this.config,t);return this.decrypt(i,n)},t.decrypt=function(e,t){return new Promise((function(r){var i=e.audioTrack,n=e.videoTrack;i.samples&&"aac"===i.segmentCodec?t.decryptAacSamples(i.samples,0,(function(){n.samples?t.decryptAvcSamples(n.samples,0,0,(function(){r(e)})):r(e)})):n.samples&&t.decryptAvcSamples(n.samples,0,0,(function(){r(e)}))}))},t.destroy=function(){this._duration=0},t.parseAVCPES=function(e,t,r,i){var n,a=this,s=this.parseAVCNALu(e,r.data),o=this.avcSample,l=!1;r.data=null,o&&s.length&&!e.audFound&&(Y(o,e),o=this.avcSample=H(!1,r.pts,r.dts,"")),s.forEach((function(i){switch(i.type){case 1:n=!0,o||(o=a.avcSample=H(!0,r.pts,r.dts,"")),o.frame=!0;var s=i.data;if(l&&s.length>4){var u=new U(s).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(o.key=!0)}break;case 5:n=!0,o||(o=a.avcSample=H(!0,r.pts,r.dts,"")),o.key=!0,o.frame=!0;break;case 6:n=!0,(0,d.parseSEIMessageFromNALu)(i.data,1,r.pts,t.samples);break;case 7:if(n=!0,l=!0,!e.sps){var h=new U(i.data).readSPS();e.width=h.width,e.height=h.height,e.pixelRatio=h.pixelRatio,e.sps=[i.data],e.duration=a._duration;for(var f=i.data.subarray(1,4),c="avc1.",v=0;v<3;v++){var g=f[v].toString(16);g.length<2&&(g="0"+g),c+=g}e.codec=c}break;case 8:n=!0,e.pps||(e.pps=[i.data]);break;case 9:n=!1,e.audFound=!0,o&&Y(o,e),o=a.avcSample=H(!1,r.pts,r.dts,"");break;case 12:n=!0;break;default:n=!1,o&&(o.debug+="unknown NAL "+i.type+" ")}o&&n&&o.units.push(i)})),i&&o&&(Y(o,e),this.avcSample=null)},t.getLastNalUnit=function(e){var t,r,i=this.avcSample;if(i&&0!==i.units.length||(i=e[e.length-1]),null!==(t=i)&&void 0!==t&&t.units){var n=i.units;r=n[n.length-1]}return r},t.parseAVCNALu=function(e,t){var r,i,n=t.byteLength,a=e.naluState||0,s=a,o=[],l=0,u=-1,d=0;for(-1===a&&(u=0,d=31&t[0],a=0,l=1);l=0){var h={data:t.subarray(u,l-a-1),type:d};o.push(h)}else{var f=this.getLastNalUnit(e.samples);if(f&&(s&&l<=4-s&&f.state&&(f.data=f.data.subarray(0,f.data.byteLength-s)),(i=l-a-1)>0)){var c=new Uint8Array(f.data.byteLength+i);c.set(f.data,0),c.set(t.subarray(0,i),f.data.byteLength),f.data=c,f.state=0}}l=0&&a>=0){var v={data:t.subarray(u,n),type:d,state:a};o.push(v)}if(0===o.length){var g=this.getLastNalUnit(e.samples);if(g){var p=new Uint8Array(g.data.byteLength+t.byteLength);p.set(g.data,0),p.set(t,g.data.byteLength),g.data=p}}return e.naluState=a,o},t.parseAACPES=function(e,t){var r,a,s,o,l,u=0,d=this.aacOverFlow,h=t.data;if(d){this.aacOverFlow=null;var f=d.missing,c=d.sample.unit.byteLength;if(-1===f){var v=new Uint8Array(c+h.byteLength);v.set(d.sample.unit,0),v.set(h,c),h=v}else{var p=c-f;d.sample.unit.set(h.subarray(0,f),p),e.samples.push(d.sample),u=d.missing}}for(r=u,a=h.length;r1?r-1:0),n=1;n>24&255,o[1]=t>>16&255,o[2]=t>>8&255,o[3]=255&t,o.set(e,4),a=0,t=8;a>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var i=Math.floor(r/($+1)),n=Math.floor(r%($+1)),a=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,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 e.box(e.types.mvhd,a)},e.sdtp=function(t){var r,i,n=t.samples||[],a=new Uint8Array(4+n.length);for(r=0;r>>8&255),a.push(255&n),a=a.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255),s.push(255&n),s=s.concat(Array.prototype.slice.call(i));var o=e.box(e.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|t.sps.length].concat(a).concat([t.pps.length]).concat(s))),l=t.width,u=t.height,d=t.pixelRatio[0],h=t.pixelRatio[1];return e.box(e.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,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,h>>24,h>>16&255,h>>8&255,255&h])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.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]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],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]))},e.stsd=function(t){return"audio"===t.type?"mp3"===t.segmentCodec&&"mp3"===t.codec?e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,i=t.duration*t.timescale,n=t.width,a=t.height,s=Math.floor(i/($+1)),o=Math.floor(i%($+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,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,n>>8&255,255&n,0,0,a>>8&255,255&a,0,0]))},e.traf=function(t,r){var i=e.sdtp(t),n=t.id,a=Math.floor(r/($+1)),s=Math.floor(r%($+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,a>>24,a>>16&255,a>>8&255,255&a,s>>24,s>>16&255,s>>8&255,255&s])),e.trun(t,i.length+16+20+8+16+8+8),i)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.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]))},e.trun=function(t,r){var i,n,a,s,o,l,u=t.samples||[],d=u.length,h=12+16*d,f=new Uint8Array(h);for(r+=8+h,f.set(["video"===t.type?1:0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i>>24&255,a>>>16&255,a>>>8&255,255&a,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return e.box(e.types.trun,f)},e.initSegment=function(t){e.types||e.init();var r=e.moov(t),i=new Uint8Array(e.FTYP.byteLength+r.byteLength);return i.set(e.FTYP),i.set(r,e.FTYP.byteLength),i},e}();Z.types=void 0,Z.HDLR_TYPES=void 0,Z.STTS=void 0,Z.STSC=void 0,Z.STCO=void 0,Z.STSZ=void 0,Z.VMHD=void 0,Z.SMHD=void 0,Z.STSD=void 0,Z.FTYP=void 0,Z.DINF=void 0;const J=Z;var ee=r(308);function te(e,t){return void 0===t&&(t=!1),function(e,t,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var n=e*t*r;return i?Math.round(n):n}(e,1e3,1/9e4,t)}function re(){return re=Object.assign?Object.assign.bind():function(e){for(var t=1;t0?e:r.pts}),e[0].pts);return t&&g.logger.debug("PTS rollover detected"),r},t.remux=function(e,t,r,i,n,a,s,o){var l,u,d,h,f,c,v=n,p=n,m=e.pid>-1,y=t.pid>-1,E=t.samples.length,T=e.samples.length>0,S=s&&E>0||E>1;if((!m||T)&&(!y||S)||this.ISGenerated||s){this.ISGenerated||(d=this.generateIS(e,t,n));var b,L=this.isVideoContiguous,A=-1;if(S&&(A=function(e){for(var t=0;t0){g.logger.warn("[mp4-remuxer]: Dropped "+A+" out of "+E+" video samples due to a missing keyframe");var D=this.getVideoStartPts(t.samples);t.samples=t.samples.slice(A),t.dropped+=A,b=p+=(t.samples[0].pts-D)/t.inputTimeScale}else-1===A&&(g.logger.warn("[mp4-remuxer]: No keyframe found out of "+E+" video samples"),c=!1);if(this.ISGenerated){if(T&&S){var R=this.getVideoStartPts(t.samples),k=(se(e.samples[0].pts,R)-R)/t.inputTimeScale;v+=Math.max(0,k),p+=Math.max(0,-k)}if(T){if(e.samplerate||(g.logger.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),d=this.generateIS(e,t,n)),u=this.remuxAudio(e,v,this.isAudioContiguous,a,y||S||o===ee.PlaylistLevelType.AUDIO?p:void 0),S){var _=u?u.endPTS-u.startPTS:0;t.inputTimeScale||(g.logger.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),d=this.generateIS(e,t,n)),l=this.remuxVideo(t,p,L,_)}}else S&&(l=this.remuxVideo(t,p,L,0));l&&(l.firstKeyFrame=A,l.independent=-1!==A,l.firstKeyFramePTS=b)}}return this.ISGenerated&&(r.samples.length&&(f=oe(r,n,this._initPTS,this._initDTS)),i.samples.length&&(h=le(i,n,this._initPTS))),{audio:u,video:l,initSegment:d,independent:c,text:h,id3:f}},t.generateIS=function(e,t,r){var i,n,a,o=e.samples,l=t.samples,u=this.typeSupported,d={},h=!(0,s.isFiniteNumber)(this._initPTS),f="audio/mp4";if(h&&(i=n=1/0),e.config&&o.length&&(e.timescale=e.samplerate,"mp3"===e.segmentCodec&&(u.mpeg?(f="audio/mpeg",e.codec=""):u.mp3&&(e.codec="mp3")),d.audio={id:"audio",container:f,codec:e.codec,initSegment:"mp3"===e.segmentCodec&&u.mpeg?new Uint8Array(0):J.initSegment([e]),metadata:{channelCount:e.channelCount}},h&&(a=e.inputTimeScale,i=n=o[0].pts-Math.round(a*r))),t.sps&&t.pps&&l.length&&(t.timescale=t.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:t.codec,initSegment:J.initSegment([t]),metadata:{width:t.width,height:t.height}},h)){a=t.inputTimeScale;var c=this.getVideoStartPts(l),v=Math.round(a*r);n=Math.min(n,se(l[0].dts,c)-v),i=Math.min(i,c-v)}if(Object.keys(d).length)return this.ISGenerated=!0,h&&(this._initPTS=i,this._initDTS=n),{tracks:d,initPTS:i,timescale:a}},t.remuxVideo=function(e,t,r,a){var s,o,l=e.inputTimeScale,u=e.samples,d=[],h=u.length,f=this._initPTS,c=this.nextAvcDts,v=8,p=this.videoSampleDuration,m=Number.POSITIVE_INFINITY,y=Number.NEGATIVE_INFINITY,E=!1;r&&null!==c||(c=t*l-(u[0].pts-se(u[0].dts,u[0].pts)));for(var T=0;T0?T-1:T].dts&&(E=!0)}E&&u.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i})),s=u[0].dts;var b=u[u.length-1].dts-s,L=b?Math.round(b/(h-1)):p||e.inputTimeScale/30;if(r){var A=s-c,D=A>L,R=A<-1;if((D||R)&&(D?g.logger.warn("AVC: "+te(A,!0)+" ms ("+A+"dts) hole between fragments detected, filling it"):g.logger.warn("AVC: "+te(-A,!0)+" ms ("+A+"dts) overlapping between fragments detected"),!R||c>u[0].pts)){s=c;var k=u[0].pts-A;u[0].dts=s,u[0].pts=k,g.logger.log("Video: First PTS/DTS adjusted: "+te(k,!0)+"/"+te(s,!0)+", delta: "+te(A,!0)+" ms")}}s=Math.max(0,s);for(var _=0,x=0,I=0;I0?W.dts-u[K-1].dts:L;if(ee=K>0?W.pts-u[K-1].pts:L,ae.stretchShortVideoTrack&&null!==this.nextAudioPts){var le=Math.floor(ae.maxBufferHole*l),de=(a?m+a*l:this.nextAudioPts)-W.pts;de>le?((p=de-oe)<0?p=oe:B=!0,g.logger.log("[mp4-remuxer]: It is approximately "+de/90+" ms to the next segment; using duration "+p/90+" ms for the last video frame.")):p=oe}else p=oe}var he=Math.round(W.pts-W.dts);G=Math.min(G,p),H=Math.max(H,p),V=Math.min(V,ee),j=Math.max(j,ee),d.push(new ue(W.key,p,q,he))}if(d.length)if(ie){if(ie<70){var fe=d[0].flags;fe.dependsOn=2,fe.isNonSync=0}}else if(ne&&j-V0&&(a&&Math.abs(E-y)<9e3||Math.abs(se(p[0].pts-h,E)-y)<20*d),p.forEach((function(e){e.pts=se(e.pts-h,E)})),!r||y<0){if(p=p.filter((function(e){return e.pts>=0})),!p.length)return;y=0===s?0:a&&!v?Math.max(0,E):p[0].pts}if("aac"===e.segmentCodec)for(var T=this.config.maxAudioFramesDrift,S=0,b=y;S=T*d&&R<1e4&&v){var k=Math.round(D/d);(b=A-k*d)<0&&(k--,b+=d),0===S&&(this.nextAudioPts=y=b),g.logger.warn("[mp4-remuxer]: Injecting "+k+" audio frame @ "+(b/o).toFixed(3)+"s due to "+Math.round(1e3*D/o)+" ms gap.");for(var _=0;_0))return;O+=m;try{w=new Uint8Array(O)}catch(e){return void this.observer.emit(i.Events.ERROR,i.Events.ERROR,{type:n.ErrorTypes.MUX_ERROR,details:n.ErrorDetails.REMUX_ALLOC_ERROR,fatal:!1,bytes:O,reason:"fail allocating audio mdat "+O})}f||(new DataView(w.buffer).setUint32(0,O),w.set(J.types.mdat,4))}w.set(B,m);var V=B.byteLength;m+=V,c.push(new ue(!0,u,V,0)),P=G}var H=c.length;if(H){var j=c[c.length-1];this.nextAudioPts=y=P+l*j.duration;var K=f?new Uint8Array(0):J.moof(e.sequenceNumber++,C/l,re({},e,{samples:c}));e.samples=[];var W=C/o,Y=y/o,q={data1:K,data2:w,startPTS:W,endPTS:Y,startDTS:W,endDTS:Y,type:"audio",hasAudio:!0,hasVideo:!1,nb:H};return this.isAudioContiguous=!0,q}},t.remuxEmptyAudio=function(e,t,r,i){var n=e.inputTimeScale,a=n/(e.samplerate?e.samplerate:n),s=this.nextAudioPts,o=(null!==s?s:i.startDTS*n)+this._initDTS,l=i.endDTS*n+this._initDTS,u=1024*a,d=Math.ceil((l-o)/u),h=Q.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(g.logger.warn("[mp4-remuxer]: remux empty Audio"),h){for(var f=[],c=0;c4294967296;)e+=r;return e}function oe(e,t,r,i){var n=e.samples.length;if(n){for(var a=e.inputTimeScale,s=0;s4?r:"hvc1"===r||"hev1"===r?"hvc1.1.c.L120.90":"av01"===r?"av01.0.04M.08":"avc1"===r||t===he.ElementaryStreamTypes.VIDEO?"avc1.42e01e":"mp4a.40.5"}const ce=function(){function e(){this.emitInitSegment=!1,this.audioCodec=void 0,this.videoCodec=void 0,this.initData=void 0,this.initPTS=void 0,this.initTracks=void 0,this.lastEndTime=null}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this.initPTS=e,this.lastEndTime=null},t.resetNextTimestamp=function(){this.lastEndTime=null},t.resetInitSegment=function(e,t,r){this.audioCodec=t,this.videoCodec=r,this.generateInitSegment(e),this.emitInitSegment=!0},t.generateInitSegment=function(e){var t=this.audioCodec,r=this.videoCodec;if(!e||!e.byteLength)return this.initTracks=void 0,void(this.initData=void 0);var i=this.initData=(0,d.parseInitSegment)(e);t||(t=fe(i.audio,he.ElementaryStreamTypes.AUDIO)),r||(r=fe(i.video,he.ElementaryStreamTypes.VIDEO));var n={};i.audio&&i.video?n.audiovideo={container:"video/mp4",codec:t+","+r,initSegment:e,id:"main"}:i.audio?n.audio={container:"audio/mp4",codec:t,initSegment:e,id:"audio"}:i.video?n.video={container:"video/mp4",codec:r,initSegment:e,id:"main"}:g.logger.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=n},t.remux=function(e,t,r,i,n){var a,o=this.initPTS,l=this.lastEndTime,u={audio:void 0,video:void 0,text:i,id3:r,initSegment:void 0};(0,s.isFiniteNumber)(l)||(l=this.lastEndTime=n||0);var h=t.samples;if(!h||!h.length)return u;var f={initPTS:void 0,timescale:1},c=this.initData;if(c&&c.length||(this.generateInitSegment(h),c=this.initData),!c||!c.length)return g.logger.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),u;this.emitInitSegment&&(f.tracks=this.initTracks,this.emitInitSegment=!1);var v=(0,d.getStartDTS)(c,h);(0,s.isFiniteNumber)(o)||(this.initPTS=f.initPTS=o=v-n);var p=(0,d.getDuration)(h,c),m=e?v-o:l,y=m+p;(0,d.offsetStartDTS)(c,h,o),p>0?this.lastEndTime=y:(g.logger.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var E=!!c.audio,T=!!c.video,S="";E&&(S+="audio"),T&&(S+="video");var b={data1:h,startPTS:m,startDTS:m,endPTS:y,endDTS:y,type:S,hasAudio:E,hasVideo:T,nb:1,dropped:0};u.audio="audio"===b.type?b:void 0,u.video="audio"!==b.type?b:void 0,u.initSegment=f;var L=null!=(a=this.initPTS)?a:0;return u.id3=oe(r,n,L,L),i.samples.length&&(u.text=le(i,n,L)),u},e}();var ve;try{ve=self.performance.now.bind(self.performance)}catch(e){g.logger.debug("Unable to use Performance API on this environment"),ve=self.Date.now}var ge=[{demux:q,remux:ae},{demux:k,remux:ce},{demux:D,remux:ae},{demux:X,remux:ae}],pe=function(){function e(e,t,r,i,n){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 0,this.decryptionPromise=null,this.transmuxConfig=void 0,this.currentTransmuxState=void 0,this.observer=e,this.typeSupported=t,this.config=r,this.vendor=i,this.id=n}var t=e.prototype;return t.configure=function(e){this.transmuxConfig=e,this.decrypter&&this.decrypter.reset()},t.push=function(e,t,r,i){var n=this,a=r.transmuxing;a.executeStart=ve();var s=new Uint8Array(e),o=this.config,l=this.currentTransmuxState,u=this.transmuxConfig;i&&(this.currentTransmuxState=i);var d=i||l,h=d.contiguous,f=d.discontinuity,c=d.trackSwitch,v=d.accurateTimeOffset,g=d.timeOffset,p=d.initSegmentChange,m=u.audioCodec,y=u.videoCodec,E=u.defaultInitPts,T=u.duration,S=u.initSegmentData;(f||c||p)&&this.resetInitSegment(S,m,y,T),(f||p)&&this.resetInitialTimestamp(E),h||this.resetContiguity();var b=function(e,t){var r=null;return e.byteLength>0&&null!=t&&null!=t.key&&null!==t.iv&&null!=t.method&&(r=t),r}(s,t);if(b&&"AES-128"===b.method){var L=this.getDecrypter();if(!o.enableSoftwareAES)return this.decryptionPromise=L.webCryptoDecrypt(s,b.key.buffer,b.iv.buffer).then((function(e){var t=n.push(e,null,r);return n.decryptionPromise=null,t})),this.decryptionPromise;var A=L.softwareDecrypt(s,b.key.buffer,b.iv.buffer);if(!A)return a.executeEnd=ve(),me(r);s=new Uint8Array(A)}this.needsProbing(s,f,c)&&this.configureTransmuxer(s,u);var D=this.transmux(s,b,g,v,r),R=this.currentTransmuxState;return R.contiguous=!0,R.discontinuity=!1,R.trackSwitch=!1,a.executeEnd=ve(),D},t.flush=function(e){var t=this,r=e.transmuxing;r.executeStart=ve();var a=this.decrypter,s=this.currentTransmuxState,o=this.decryptionPromise;if(o)return o.then((function(){return t.flush(e)}));var l=[],u=s.timeOffset;if(a){var d=a.flush();d&&l.push(this.push(d,null,e))}var h=this.demuxer,f=this.remuxer;if(!h||!f)return this.observer.emit(i.Events.ERROR,i.Events.ERROR,{type:n.ErrorTypes.MEDIA_ERROR,details:n.ErrorDetails.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=ve(),[me(e)];var c=h.flush(u);return ye(c)?c.then((function(r){return t.flushRemux(l,r,e),l})):(this.flushRemux(l,c,e),l)},t.flushRemux=function(e,t,r){var i=t.audioTrack,n=t.videoTrack,a=t.id3Track,s=t.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;g.logger.log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var d=this.remuxer.remux(i,n,a,s,u,l,!0,this.id);e.push({remuxResult:d,chunkMeta:r}),r.transmuxing.executeEnd=ve()},t.resetInitialTimestamp=function(e){var t=this.demuxer,r=this.remuxer;t&&r&&(t.resetTimeStamp(e),r.resetTimeStamp(e))},t.resetContiguity=function(){var e=this.demuxer,t=this.remuxer;e&&t&&(e.resetContiguity(),t.resetNextTimestamp())},t.resetInitSegment=function(e,t,r,i){var n=this.demuxer,a=this.remuxer;n&&a&&(n.resetInitSegment(e,t,r,i),a.resetInitSegment(e,t,r))},t.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},t.transmux=function(e,t,r,i,n){return t&&"SAMPLE-AES"===t.method?this.transmuxSampleAes(e,t,r,i,n):this.transmuxUnencrypted(e,r,i,n)},t.transmuxUnencrypted=function(e,t,r,i){var n=this.demuxer.demux(e,t,!1,!this.config.progressive),a=n.audioTrack,s=n.videoTrack,o=n.id3Track,l=n.textTrack;return{remuxResult:this.remuxer.remux(a,s,o,l,t,r,!1,this.id),chunkMeta:i}},t.transmuxSampleAes=function(e,t,r,i,n){var a=this;return this.demuxer.demuxSampleAes(e,t,r).then((function(e){return{remuxResult:a.remuxer.remux(e.audioTrack,e.videoTrack,e.id3Track,e.textTrack,r,i,!1,a.id),chunkMeta:n}}))},t.configureTransmuxer=function(e,t){for(var r,i=this.config,n=this.observer,a=this.typeSupported,s=this.vendor,o=t.audioCodec,l=t.defaultInitPts,u=t.duration,d=t.initSegmentData,h=t.videoCodec,f=0,c=ge.length;f{e.exports=void 0},973:(e,t,r)=>{"use strict";var i,n;r.r(t),r.d(t,{ErrorDetails:()=>n,ErrorTypes:()=>i}),function(e){e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError"}(i||(i={})),function(e){e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_NO_INIT_DATA="keySystemNoInitData",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_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.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"}(n||(n={}))},851:(e,t,r)=>{"use 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if(i[3]){var c=new f(i[3]);c["DATA-ID"]&&(o=!0,s[c["DATA-ID"]]=c)}return{levels:a.length>0&&a.length-1){l.logger.warn("Keyformat "+$+" is not supported from the manifest");continue}if("identity"!==$)continue;Y&&(d=E.LevelKey.fromURL(t,q),q&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(Y)>=0&&(d.method=Y,d.keyFormat=$,Q&&(d.keyID=Q),X&&(d.keyFormatVersions=X),d.iv=z));break;case"START":var Z=new f(M).decimalFloatingPoint("TIME-OFFSET");(0,a.isFiniteNumber)(Z)&&(h.startTimeOffset=Z);break;case"MAP":var J=new f(M);if(k.duration){var ee=new p.Fragment(i,t);w(ee,J,r,d),v=ee,k.initSegment=v,v.rawProgramDateTime&&!k.rawProgramDateTime&&(k.rawProgramDateTime=v.rawProgramDateTime)}else w(k,J,r,d),v=k,x=!0;break;case"SERVER-CONTROL":var te=new f(M);h.canBlockReload=te.bool("CAN-BLOCK-RELOAD"),h.canSkipUntil=te.optionalFloat("CAN-SKIP-UNTIL",0),h.canSkipDateRanges=h.canSkipUntil>0&&te.bool("CAN-SKIP-DATERANGES"),h.partHoldBack=te.optionalFloat("PART-HOLD-BACK",0),h.holdBack=te.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var re=new f(M);h.partTarget=re.decimalFloatingPoint("PART-TARGET");break;case"PART":var ie=h.partList;ie||(ie=h.partList=[]);var ne=T>0?ie[ie.length-1]:void 0,ae=T++,se=new p.Part(new f(M),k,t,ae,ne);ie.push(se),k.duration+=se.duration;break;case"PRELOAD-HINT":var oe=new f(M);h.preloadHint=oe;break;case"RENDITION-REPORT":var le=new f(M);h.renditionReports=h.renditionReports||[],h.renditionReports.push(le);break;default:l.logger.warn("line parsed but not handled: "+o)}}}L&&!L.relurl?(c.pop(),S-=L.duration,h.partList&&(h.fragmentHint=L)):h.partList&&(I(k,L),k.cc=b,h.fragmentHint=k);var ue=c.length,de=c[0],he=c[ue-1];if((S+=h.skippedSegments*h.targetduration)>0&&ue&&he){h.averagetargetduration=S/ue;var fe=he.sn;h.endSN="initSegment"!==fe?fe:0,de&&(h.startCC=de.cc,de.initSegment||h.fragments.every((function(e){return e.relurl&&(t=e.relurl,R.test(null!=(r=null===(i=n.parseURL(t))||void 0===i?void 0:i.path)?r:""));var t,r,i}))&&(l.logger.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(k=new p.Fragment(i,t)).relurl=he.relurl,k.level=r,k.sn="initSegment",de.initSegment=k,h.needSidxRanges=!0))}else h.endSN=0,h.startCC=0;return h.fragmentHint&&(S+=h.fragmentHint.duration),h.totalduration=S,h.endCC=b,_>0&&function(e,t){for(var r=e[t],i=t;i--;){var n=e[i];if(!n)return;n.programDateTime=r.programDateTime-1e3*n.duration,r=n}}(c,_),h},e}();function _(e,t){["video","audio","text"].forEach((function(r){var i=e.filter((function(e){return function(e,t){var r=T[t];return!!r&&!0===r[e.slice(0,4)]}(e,r)}));if(i.length){var n=i.filter((function(e){return 0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)}));t[r+"Codec"]=n.length>0?n[0]:i[0],e=e.filter((function(e){return-1===i.indexOf(e)}))}})),t.unknownCodecs=e}function x(e,t,r){var i=t[r];i&&(e[r]=i)}function I(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):null!=t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),(0,a.isFiniteNumber)(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}function w(e,t,r,i){e.relurl=t.URI,t.BYTERANGE&&e.setByteRange(t.BYTERANGE),e.level=r,e.sn="initSegment",i&&(e.levelkey=i),e.initSegment=null}var C=r(308);function P(e,t){var r=e.url;return void 0!==r&&0!==r.indexOf("data:")||(r=t.url),r}const O=function(){function e(e){this.hls=void 0,this.loaders=Object.create(null),this.hls=e,this.registerListeners()}var t=e.prototype;return t.startLoad=function(e){},t.stopLoad=function(){this.destroyInternalLoaders()},t.registerListeners=function(){var e=this.hls;e.on(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(s.Events.LEVEL_LOADING,this.onLevelLoading,this),e.on(s.Events.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),e.on(s.Events.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},t.unregisterListeners=function(){var e=this.hls;e.off(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(s.Events.LEVEL_LOADING,this.onLevelLoading,this),e.off(s.Events.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),e.off(s.Events.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},t.createInternalLoader=function(e){var t=this.hls.config,r=t.pLoader,i=t.loader,n=new(r||i)(t);return e.loader=n,this.loaders[e.type]=n,n},t.getInternalLoader=function(e){return this.loaders[e.type]},t.resetInternalLoader=function(e){this.loaders[e]&&delete this.loaders[e]},t.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}},t.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},t.onManifestLoading=function(e,t){var r=t.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:C.PlaylistContextType.MANIFEST,url:r,deliveryDirectives:null})},t.onLevelLoading=function(e,t){var r=t.id,i=t.level,n=t.url,a=t.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:C.PlaylistContextType.LEVEL,url:n,deliveryDirectives:a})},t.onAudioTrackLoading=function(e,t){var r=t.id,i=t.groupId,n=t.url,a=t.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:C.PlaylistContextType.AUDIO_TRACK,url:n,deliveryDirectives:a})},t.onSubtitleTrackLoading=function(e,t){var r=t.id,i=t.groupId,n=t.url,a=t.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:C.PlaylistContextType.SUBTITLE_TRACK,url:n,deliveryDirectives:a})},t.load=function(e){var t,r,i,n,a,s,o=this.hls.config,u=this.getInternalLoader(e);if(u){var d=u.context;if(d&&d.url===e.url)return void l.logger.trace("[playlist-loader]: playlist request ongoing");l.logger.log("[playlist-loader]: aborting previous loader for type: "+e.type),u.abort()}switch(e.type){case C.PlaylistContextType.MANIFEST:r=o.manifestLoadingMaxRetry,i=o.manifestLoadingTimeOut,n=o.manifestLoadingRetryDelay,a=o.manifestLoadingMaxRetryTimeout;break;case C.PlaylistContextType.LEVEL:case C.PlaylistContextType.AUDIO_TRACK:case C.PlaylistContextType.SUBTITLE_TRACK:r=0,i=o.levelLoadingTimeOut;break;default:r=o.levelLoadingMaxRetry,i=o.levelLoadingTimeOut,n=o.levelLoadingRetryDelay,a=o.levelLoadingMaxRetryTimeout}if(u=this.createInternalLoader(e),null!==(t=e.deliveryDirectives)&&void 0!==t&&t.part&&(e.type===C.PlaylistContextType.LEVEL&&null!==e.level?s=this.hls.levels[e.level].details:e.type===C.PlaylistContextType.AUDIO_TRACK&&null!==e.id?s=this.hls.audioTracks[e.id].details:e.type===C.PlaylistContextType.SUBTITLE_TRACK&&null!==e.id&&(s=this.hls.subtitleTracks[e.id].details),s)){var h=s.partTarget,f=s.targetduration;h&&f&&(i=Math.min(1e3*Math.max(3*h,.8*f),i))}var c={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:a,highWaterMark:0},v={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(e,c,v)},t.loadsuccess=function(e,t,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this.handleSidxRequest(e,r),void this.handlePlaylistLoaded(e,t,r,i);this.resetInternalLoader(r.type);var n=e.data;0===n.indexOf("#EXTM3U")?(t.parsing.start=performance.now(),n.indexOf("#EXTINF:")>0||n.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(e,t,r,i):this.handleMasterPlaylist(e,t,r,i)):this.handleManifestParsingError(e,r,"no EXTM3U delimiter",i)},t.loaderror=function(e,t,r){void 0===r&&(r=null),this.handleNetworkError(t,r,!1,e)},t.loadtimeout=function(e,t,r){void 0===r&&(r=null),this.handleNetworkError(t,r,!0)},t.handleMasterPlaylist=function(e,t,r,i){var n=this.hls,a=e.data,o=P(e,r),u=k.parseMasterPlaylist(a,o),d=u.levels,h=u.sessionData;if(d.length){var c=d.map((function(e){return{id:e.attrs.AUDIO,audioCodec:e.audioCodec}})),v=d.map((function(e){return{id:e.attrs.SUBTITLES,textCodec:e.textCodec}})),g=k.parseMasterPlaylistMedia(a,o,"AUDIO",c),p=k.parseMasterPlaylistMedia(a,o,"SUBTITLES",v),m=k.parseMasterPlaylistMedia(a,o,"CLOSED-CAPTIONS");g.length&&(g.some((function(e){return!e.url}))||!d[0].audioCodec||d[0].attrs.AUDIO||(l.logger.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),g.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new f({}),bitrate:0,url:""}))),n.trigger(s.Events.MANIFEST_LOADED,{levels:d,audioTracks:g,subtitles:p,captions:m,url:o,stats:t,networkDetails:i,sessionData:h})}else this.handleManifestParsingError(e,r,"no level found in manifest",i)},t.handleTrackOrLevelPlaylist=function(e,t,r,i){var n=this.hls,l=r.id,u=r.level,d=r.type,h=P(e,r),c=(0,a.isFiniteNumber)(l)?l:0,v=(0,a.isFiniteNumber)(u)?u:c,g=function(e){switch(e.type){case C.PlaylistContextType.AUDIO_TRACK:return C.PlaylistLevelType.AUDIO;case C.PlaylistContextType.SUBTITLE_TRACK:return C.PlaylistLevelType.SUBTITLE;default:return C.PlaylistLevelType.MAIN}}(r),p=k.parseLevelPlaylist(e.data,h,v,g,c);if(p.fragments.length){if(d===C.PlaylistContextType.MANIFEST){var m={attrs:new f({}),bitrate:0,details:p,name:"",url:h};n.trigger(s.Events.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:t,networkDetails:i,sessionData:null})}if(t.parsing.end=performance.now(),p.needSidxRanges){var y,E=null===(y=p.fragments[0].initSegment)||void 0===y?void 0:y.url;this.load({url:E,isSidxRequest:!0,type:d,level:u,levelDetails:p,id:l,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else r.levelDetails=p,this.handlePlaylistLoaded(e,t,r,i)}else n.trigger(s.Events.ERROR,{type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.LEVEL_EMPTY_ERROR,fatal:!1,url:h,reason:"no fragments found in level",level:"number"==typeof r.level?r.level:void 0})},t.handleSidxRequest=function(e,t){var r=new Uint8Array(e.data),i=(0,u.findBox)(r,["sidx"])[0];if(i){var n=(0,u.parseSegmentIndex)(i);if(n){var a=n.references,s=t.levelDetails;a.forEach((function(e,t){var i=e.info,n=s.fragments[t];if(0===n.byteRange.length&&n.setByteRange(String(1+i.end-i.start)+"@"+String(i.start)),n.initSegment){var a=(0,u.findBox)(r,["moov"])[0],o=a?a.length:null;n.initSegment.setByteRange(String(o)+"@0")}}))}}},t.handleManifestParsingError=function(e,t,r,i){this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.MANIFEST_PARSING_ERROR,fatal:t.type===C.PlaylistContextType.MANIFEST,url:e.url,reason:r,response:e,context:t,networkDetails:i})},t.handleNetworkError=function(e,t,r,i){void 0===r&&(r=!1),l.logger.warn("[playlist-loader]: A network "+(r?"timeout":"error")+" occurred while loading "+e.type+" level: "+e.level+" id: "+e.id+' group-id: "'+e.groupId+'"');var n=o.ErrorDetails.UNKNOWN,a=!1,u=this.getInternalLoader(e);switch(e.type){case C.PlaylistContextType.MANIFEST:n=r?o.ErrorDetails.MANIFEST_LOAD_TIMEOUT:o.ErrorDetails.MANIFEST_LOAD_ERROR,a=!0;break;case C.PlaylistContextType.LEVEL:n=r?o.ErrorDetails.LEVEL_LOAD_TIMEOUT:o.ErrorDetails.LEVEL_LOAD_ERROR,a=!1;break;case C.PlaylistContextType.AUDIO_TRACK:n=r?o.ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:o.ErrorDetails.AUDIO_TRACK_LOAD_ERROR,a=!1;break;case C.PlaylistContextType.SUBTITLE_TRACK:n=r?o.ErrorDetails.SUBTITLE_TRACK_LOAD_TIMEOUT:o.ErrorDetails.SUBTITLE_LOAD_ERROR,a=!1}u&&this.resetInternalLoader(e.type);var d={type:o.ErrorTypes.NETWORK_ERROR,details:n,fatal:a,url:e.url,loader:u,context:e,networkDetails:t};i&&(d.response=i),this.hls.trigger(s.Events.ERROR,d)},t.handlePlaylistLoaded=function(e,t,r,i){var n=r.type,a=r.level,o=r.id,l=r.groupId,u=r.loader,d=r.levelDetails,h=r.deliveryDirectives;if(null!=d&&d.targetduration){if(u)switch(d.live&&(u.getCacheAge&&(d.ageHeader=u.getCacheAge()||0),u.getCacheAge&&!isNaN(d.ageHeader)||(d.ageHeader=0)),n){case C.PlaylistContextType.MANIFEST:case C.PlaylistContextType.LEVEL:this.hls.trigger(s.Events.LEVEL_LOADED,{details:d,level:a||0,id:o||0,stats:t,networkDetails:i,deliveryDirectives:h});break;case C.PlaylistContextType.AUDIO_TRACK:this.hls.trigger(s.Events.AUDIO_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:t,networkDetails:i,deliveryDirectives:h});break;case C.PlaylistContextType.SUBTITLE_TRACK:this.hls.trigger(s.Events.SUBTITLE_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:t,networkDetails:i,deliveryDirectives:h})}}else this.handleManifestParsingError(e,r,"invalid target duration",i)},e}();var F=function(){function e(e){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=e,this.registerListeners()}var t=e.prototype;return t.startLoad=function(e){},t.stopLoad=function(){this.destroyInternalLoaders()},t.registerListeners=function(){this.hls.on(s.Events.KEY_LOADING,this.onKeyLoading,this)},t.unregisterListeners=function(){this.hls.off(s.Events.KEY_LOADING,this.onKeyLoading)},t.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy()}this.loaders={}},t.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},t.onKeyLoading=function(e,t){var r=t.frag,i=r.type,n=this.loaders[i];if(r.decryptdata){var a=r.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var o=this.hls.config;if(n&&(l.logger.warn("abort previous key loader for type:"+i),n.abort()),!a)return void l.logger.warn("key uri is falsy");var u=o.loader,d=r.loader=this.loaders[i]=new u(o);this.decrypturl=a,this.decryptkey=null;var h={url:a,frag:r,responseType:"arraybuffer"},f={timeout:o.fragLoadingTimeOut,maxRetry:0,retryDelay:o.fragLoadingRetryDelay,maxRetryDelay:o.fragLoadingMaxRetryTimeout,highWaterMark:0},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};d.load(h,f,c)}else this.decryptkey&&(r.decryptdata.key=this.decryptkey,this.hls.trigger(s.Events.KEY_LOADED,{frag:r}))}else l.logger.warn("Missing decryption data on fragment in onKeyLoading")},t.loadsuccess=function(e,t,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(e.data),i.loader=null,delete this.loaders[i.type],this.hls.trigger(s.Events.KEY_LOADED,{frag:i})):l.logger.error("after key load, decryptdata unset")},t.loaderror=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},t.loadtimeout=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},e}();function M(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}var N=r(181),U=r(856);function B(){return self.WebKitDataCue||self.VTTCue||self.TextTrackCue}var G=function(){var e=B();try{new e(0,Number.POSITIVE_INFINITY,"")}catch(e){return Number.MAX_VALUE}return Number.POSITIVE_INFINITY}();function V(e,t){return e.getTime()/1e3-t}const H=function(){function e(e){this.hls=void 0,this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.hls=e,this._registerListeners()}var t=e.prototype;return t.destroy=function(){this._unregisterListeners(),this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.hls=null},t._registerListeners=function(){var e=this.hls;e.on(s.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.on(s.Events.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.on(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this)},t._unregisterListeners=function(){var e=this.hls;e.off(s.Events.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(s.Events.MANIFEST_LOADING,this.onManifestLoading,this),e.off(s.Events.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.off(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this)},t.onMediaAttached=function(e,t){this.media=t.media},t.onMediaDetaching=function(){this.id3Track&&(function(e){var t=e.mode;if("disabled"===t&&(e.mode="hidden"),e.cues)for(var r=e.cues.length;r--;)e.removeCue(e.cues[r]);"disabled"===t&&(e.mode=t)}(this.id3Track),this.id3Track=null,this.media=null,this.dateRangeCuesAppended={})},t.onManifestLoading=function(){this.dateRangeCuesAppended={}},t.createTrack=function(e){var t=this.getID3Track(e.textTracks);return t.mode="hidden",t},t.getID3Track=function(e){if(this.media){for(var t=0;tG&&(h=G),h-d<=0&&(h=d+.25);for(var f=0;f0)for(var a=function(e,t,r){var i=[],n=function(e,t){if(te[r].endTime)return-1;for(var i=0,n=r;i<=n;){var a=Math.floor((n+i)/2);if(te[a].startTime&&i-1)for(var a=n,s=e.length;a=t&&o.endTime<=r)i.push(o);else if(o.startTime>r)return i}return i}(e.cues,t,r),s=0;sn.startDate&&e.push(r),e}),[]).sort((function(e,t){return e.startDate.getTime()-t.startDate.getTime()}))[0];p&&(f=V(p.startDate,v),d=!0)}for(var m,y=Object.keys(n.attr),E=0;E.05&&this.forwardBufferLength>1){var u=Math.min(2,Math.max(1,a)),d=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;e.playbackRate=Math.min(u,Math.max(1,d))}else 1!==e.playbackRate&&0!==e.playbackRate&&(e.playbackRate=1)}}}}},i.estimateLiveEdge=function(){var e=this.levelDetails;return null===e?null:e.edge+e.age},i.computeLatency=function(){var e=this.estimateLiveEdge();return null===e?null:e-this.currentTime},t=e,(r=[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var e=this.config,t=this.levelDetails;return void 0!==e.liveMaxLatencyDuration?e.liveMaxLatencyDuration:t?e.liveMaxLatencyDurationCount*t.targetduration:0}},{key:"targetLatency",get:function(){var e=this.levelDetails;if(null===e)return null;var t=e.holdBack,r=e.partHoldBack,i=e.targetduration,n=this.config,a=n.liveSyncDuration,s=n.liveSyncDurationCount,o=n.lowLatencyMode,l=this.hls.userConfig,u=o&&r||t;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==a?a:s*i);var d=i;return u+Math.min(1*this.stallCount,d)}},{key:"liveSyncPosition",get:function(){var e=this.estimateLiveEdge(),t=this.targetLatency,r=this.levelDetails;if(null===e||null===t||null===r)return null;var i=r.edge,n=e-t-this.edgeStalled,a=i-r.totalduration,s=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(a,n),s)}},{key:"drift",get:function(){var e=this.levelDetails;return null===e?1:e.drift}},{key:"edgeStalled",get:function(){var e=this.levelDetails;if(null===e)return 0;var t=3*(this.config.lowLatencyMode&&e.partTarget||e.targetduration);return Math.max(e.age-t,0)}},{key:"forwardBufferLength",get:function(){var e=this.media,t=this.levelDetails;if(!e||!t)return 0;var r=e.buffered.length;return(r?e.buffered.end(r-1):t.edge)-this.currentTime}}])&&j(t.prototype,r),Object.defineProperty(t,"prototype",{writable:!1}),e}();function Y(e,t){for(var r=0;re.sn?(n=r-e.start,i=e):(n=e.start-r,i=t),i.duration!==n&&(i.duration=n)}else t.sn>e.sn?e.cc===t.cc&&e.minEndPTS?t.start=e.start+(e.minEndPTS-e.start):t.start=e.start+e.duration:t.start=Math.max(e.start-t.duration,0)}function J(e,t,r,i,n,s){i-r<=0&&(l.logger.warn("Fragment should have a positive duration",t),i=r+t.duration,s=n+t.duration);var o=r,u=i,d=t.startPTS,h=t.endPTS;if((0,a.isFiniteNumber)(d)){var f=Math.abs(d-r);(0,a.isFiniteNumber)(t.deltaPTS)?t.deltaPTS=Math.max(f,t.deltaPTS):t.deltaPTS=f,o=Math.max(r,d),r=Math.min(r,d),n=Math.min(n,t.startDTS),u=Math.min(i,h),i=Math.max(i,h),s=Math.max(s,t.endDTS)}t.duration=i-r;var c=r-t.start;t.appendedPTS=i,t.start=t.startPTS=r,t.maxStartPTS=o,t.startDTS=n,t.endPTS=i,t.minEndPTS=u,t.endDTS=s;var v,g=t.sn;if(!e||ge.endSN)return 0;var p=g-e.startSN,m=e.fragments;for(m[p]=t,v=p;v>0;v--)Z(m[v],m[v-1]);for(v=p;v=i.length||function(e,t){if(t){for(var r=e.fragments,i=e.skippedSegments;it.partTarget&&(l+=1)}if((0,a.isFiniteNumber)(o))return new q(o,(0,a.isFiniteNumber)(l)?l:void 0,K.No)}}},t.loadPlaylist=function(e){},t.shouldLoadTrack=function(e){return this.canLoad&&e&&!!e.url&&(!e.details||e.details.live)},t.playlistLoaded=function(e,t,r){var i=this,n=t.details,s=t.stats,o=s.loading.end?Math.max(0,self.performance.now()-s.loading.end):0;if(n.advancedDateTime=Date.now()-o,n.live||null!=r&&r.live){if(n.reloaded(r),r&&this.log("live playlist "+e+" "+(n.advanced?"REFRESHED "+n.lastPartSn+"-"+n.lastPartIndex:"MISSED")),r&&n.fragments.length>0&&function(e,t){for(var r=null,i=e.fragments,n=i.length-1;n>=0;n--){var s=i[n].initSegment;if(s){r=s;break}}e.fragmentHint&&delete e.fragmentHint.endPTS;var o,u,d,h,f,c=0;if(function(e,t,r){for(var i=t.skippedSegments,n=Math.max(e.startSN,t.startSN)-t.startSN,a=(e.fragmentHint?1:0)+(i?t.endSN:Math.min(e.endSN,t.endSN))-t.startSN,s=t.startSN-e.startSN,o=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,l=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,u=n;u<=a;u++){var d=l[s+u],h=o[u];i&&!h&&u0){if(r&&T>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+T+" with playlist age: "+n.age),T=0;else{var S=Math.floor(T/n.targetduration);d+=S,void 0!==h&&(h+=Math.round(T%n.targetduration/n.partTarget)),this.log("CDN Tune-in age: "+n.ageHeader+"s last advanced "+y.toFixed(2)+"s goal: "+T+" skip sn "+S+" to part "+h)}n.tuneInGoal=T}if(u=this.getDeliveryDirectives(n,t.deliveryDirectives,d,h),f||!m)return void this.loadPlaylist(u)}else u=this.getDeliveryDirectives(n,t.deliveryDirectives,d,h);var b=function(e,t){var r,i=1e3*e.levelTargetDuration,n=i/2,a=e.age,s=a>0&&a<3*i,o=t.loading.end-t.loading.start,l=e.availabilityDelay;if(!1===e.updated)if(s){var u=333*e.misses;r=Math.max(Math.min(n,2*o),u),e.availabilityDelay=(e.availabilityDelay||0)+r}else r=n;else s?(l=Math.min(l||i/2,a),e.availabilityDelay=l,r=l+i-a):r=i-o;return Math.round(r)}(n,s);void 0!==d&&n.canBlockReload&&(b-=n.partTarget||1),this.log("reload live playlist "+e+" in "+Math.round(b)+" ms"),this.timer=self.setTimeout((function(){return i.loadPlaylist(u)}),b)}else this.clearTimer()},t.getDeliveryDirectives=function(e,t,r,i){var n=function(e,t){var r=e.canSkipUntil,i=e.canSkipDateRanges,n=e.endSN;return r&&(void 0!==t?t-n:0)-1&&null!==(t=e.context)&&void 0!==t&&t.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+e.details+'"'),this.loadPlaylist();else{var a=Math.min(Math.pow(2,this.retryCount)*i.levelLoadingRetryDelay,i.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return r.loadPlaylist()}),a),this.warn("retry playlist loading #"+this.retryCount+" in "+a+' ms after "'+e.details+'"')}else this.warn('cannot recover from error "'+e.details+'"'),this.clearTimer(),e.fatal=!0;return n},e}();function re(){return re=Object.assign?Object.assign.bind():function(e){for(var t=1;t0){r=n[0].bitrate,n.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=n;for(var c=0;cthis.hls.config.fragLoadingMaxRetry&&(s=d)):s=d}break;case o.ErrorDetails.LEVEL_LOAD_ERROR:case o.ErrorDetails.LEVEL_LOAD_TIMEOUT:n&&(n.deliveryDirectives&&(u=!1),s=n.level),l=!0;break;case o.ErrorDetails.REMUX_ALLOC_ERROR:s=null!=(i=r.level)?i:this.currentLevelIndex,l=!0}void 0!==s&&this.recoverLevel(r,s,l,u)}}},l.recoverLevel=function(e,t,r,i){var n=e.details,a=this._levels[t];if(a.loadError++,r){if(!this.retryLoadingOrFail(e))return void(this.currentLevelIndex=-1);e.levelRetry=!0}if(i){var s=a.url.length;if(s>1&&a.loadError-1&&this.currentLevelIndex!==o&&(this.warn(n+": switch to "+o),e.levelRetry=!0,this.hls.nextAutoLevel=o)}}},l.redundantFailover=function(e){var t=this._levels[e],r=t.url.length;if(r>1){var i=(t.urlId+1)%r;this.warn("Switching to redundant URL-id "+i),this._levels.forEach((function(e){e.urlId=i})),this.level=e}},l.onFragLoaded=function(e,t){var r=t.frag;if(void 0!==r&&r.type===C.PlaylistLevelType.MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},l.onLevelLoaded=function(e,t){var r,i,n=t.level,a=t.details,s=this._levels[n];if(!s)return this.warn("Invalid level index "+n),void(null!==(i=t.deliveryDirectives)&&void 0!==i&&i.skip&&(a.deltaUpdateFailed=!0));n===this.currentLevelIndex?(0===s.fragmentError&&(s.loadError=0,this.retryCount=0),this.playlistLoaded(n,t,s.details)):null!==(r=t.deliveryDirectives)&&void 0!==r&&r.skip&&(a.deltaUpdateFailed=!0)},l.onAudioTrackSwitched=function(e,t){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,n=this.hls.audioTracks[t.id].groupId,a=0;a0){var i=r.urlId,n=r.url[i];if(e)try{n=e.addDirectives(n)}catch(e){this.warn("Could not construct new URL with HLS Delivery Directives: "+e)}this.log("Attempt loading level index "+t+(e?" at sn "+e.msn+" part "+e.part:"")+" with URL-id "+i+" "+n),this.clearTimer(),this.hls.trigger(s.Events.LEVEL_LOADING,{url:n,level:t,id:i,deliveryDirectives:e||null})}},l.removeLevel=function(e,t){var r=function(e,r){return r!==t},i=this._levels.filter((function(i,n){return n!==e||i.url.length>1&&void 0!==t&&(i.url=i.url.filter(r),i.audioGroupIds&&(i.audioGroupIds=i.audioGroupIds.filter(r)),i.textGroupIds&&(i.textGroupIds=i.textGroupIds.filter(r)),i.urlId=0,!0)})).map((function(e,t){var r=e.details;return null!=r&&r.fragments&&r.fragments.forEach((function(e){e.level=t})),e}));this._levels=i,this.hls.trigger(s.Events.LEVELS_UPDATED,{levels:i})},n=i,(a=[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t,r=this._levels;if(0!==r.length&&(this.currentLevelIndex!==e||null===(t=r[e])||void 0===t||!t.details)){if(e<0||e>=r.length){var i=e<0;if(this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.OTHER_ERROR,details:o.ErrorDetails.LEVEL_SWITCH_ERROR,level:e,fatal:i,reason:"invalid level idx"}),i)return;e=Math.min(e,r.length-1)}this.clearTimer();var n=this.currentLevelIndex,a=r[n],l=r[e];this.log("switching to level "+e+" from "+n),this.currentLevelIndex=e;var u=re({},l,{level:e,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(s.Events.LEVEL_SWITCHING,u);var d=l.details;if(!d||d.live){var h=this.switchParams(l.uri,null==a?void 0:a.details);this.loadPlaylist(h)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&ie(n.prototype,a),Object.defineProperty(n,"prototype",{writable:!1}),i}(te);!function(e){e.NOT_LOADED="NOT_LOADED",e.APPENDING="APPENDING",e.PARTIAL="PARTIAL",e.OK="OK"}(ae||(ae={}));var le=function(){function e(e){this.activeFragment=null,this.activeParts=null,this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hls=e,this._registerListeners()}var t=e.prototype;return t._registerListeners=function(){var e=this.hls;e.on(s.Events.BUFFER_APPENDED,this.onBufferAppended,this),e.on(s.Events.FRAG_BUFFERED,this.onFragBuffered,this),e.on(s.Events.FRAG_LOADED,this.onFragLoaded,this)},t._unregisterListeners=function(){var e=this.hls;e.off(s.Events.BUFFER_APPENDED,this.onBufferAppended,this),e.off(s.Events.FRAG_BUFFERED,this.onFragBuffered,this),e.off(s.Events.FRAG_LOADED,this.onFragLoaded,this)},t.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},t.getAppendedFrag=function(e,t){if(t===C.PlaylistLevelType.MAIN){var r=this.activeFragment,i=this.activeParts;if(!r)return null;if(i)for(var n=i.length;n--;){var a=i[n],s=a?a.end:r.appendedPTS;if(a.start<=e&&void 0!==s&&e<=s)return n>9&&(this.activeParts=i.slice(n-9)),a}else if(r.start<=e&&void 0!==r.appendedPTS&&e<=r.appendedPTS)return r}return this.getBufferedFrag(e,t)},t.getBufferedFrag=function(e,t){for(var r=this.fragments,i=Object.keys(r),n=i.length;n--;){var a=r[i[n]];if((null==a?void 0:a.body.type)===t&&a.buffered){var s=a.body;if(s.start<=e&&e<=s.end)return s}}return null},t.detectEvictedFragments=function(e,t,r){var i=this;Object.keys(this.fragments).forEach((function(n){var a=i.fragments[n];if(a)if(a.buffered){var s=a.range[e];s&&s.time.some((function(e){var r=!i.isTimeBuffered(e.startPTS,e.endPTS,t);return r&&i.removeFragment(a.body),r}))}else a.body.type===r&&i.removeFragment(a.body)}))},t.detectPartialFragments=function(e){var t=this,r=this.timeRanges,i=e.frag,n=e.part;if(r&&"initSegment"!==i.sn){var a=de(i),s=this.fragments[a];s&&(Object.keys(r).forEach((function(e){var a=i.elementaryStreams[e];if(a){var o=r[e],l=null!==n||!0===a.partial;s.range[e]=t.getBufferedTimes(i,n,l,o)}})),s.loaded=null,Object.keys(s.range).length?s.buffered=!0:this.removeFragment(s.body))}},t.fragBuffered=function(e){var t=de(e),r=this.fragments[t];r&&(r.loaded=null,r.buffered=!0)},t.getBufferedTimes=function(e,t,r,i){for(var n={time:[],partial:r},a=t?t.start:e.start,s=t?t.end:e.end,o=e.minEndPTS||s,l=e.maxStartPTS||a,u=0;u=d&&o<=h){n.time.push({startPTS:Math.max(a,i.start(u)),endPTS:Math.min(s,i.end(u))});break}if(ad)n.partial=!0,n.time.push({startPTS:Math.max(a,i.start(u)),endPTS:Math.min(s,i.end(u))});else if(s<=d)break}return n},t.getPartialFragment=function(e){var t,r,i,n=null,a=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&ue(u)&&(r=u.body.start-s,i=u.body.end+s,e>=r&&e<=i&&(t=Math.min(e-r,i-e),a<=t&&(n=u.body,a=t)))})),n},t.getState=function(e){var t=de(e),r=this.fragments[t];return r?r.buffered?ue(r)?ae.PARTIAL:ae.OK:ae.APPENDING:ae.NOT_LOADED},t.isTimeBuffered=function(e,t,r){for(var i,n,a=0;a=i&&t<=n)return!0;if(t<=i)return!1}return!1},t.onFragLoaded=function(e,t){var r=t.frag,i=t.part;if("initSegment"!==r.sn&&!r.bitrateTest&&!i){var n=de(r);this.fragments[n]={body:r,loaded:t,buffered:!1,range:Object.create(null)}}},t.onBufferAppended=function(e,t){var r=this,i=t.frag,n=t.part,a=t.timeRanges;if(i.type===C.PlaylistLevelType.MAIN)if(this.activeFragment=i,n){var s=this.activeParts;s||(this.activeParts=s=[]),s.push(n)}else this.activeParts=null;this.timeRanges=a,Object.keys(a).forEach((function(e){var t=a[e];if(r.detectEvictedFragments(e,t),!n)for(var s=0;se&&i.removeFragment(s)}}))},t.removeFragment=function(e){var t=de(e);e.stats.loaded=0,e.clearElementaryStreamInfo(),delete this.fragments[t]},t.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},e}();function ue(e){var t,r;return e.buffered&&((null===(t=e.range.video)||void 0===t?void 0:t.partial)||(null===(r=e.range.audio)||void 0===r?void 0:r.partial))}function de(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn}var he=function(){function e(){this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}var t=e.prototype;return t.destroy=function(){this.onHandlerDestroying(),this.onHandlerDestroyed()},t.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},t.onHandlerDestroyed=function(){},t.hasInterval=function(){return!!this._tickInterval},t.hasNextTick=function(){return!!this._tickTimer},t.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},t.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},t.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},t.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)},t.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},t.doTick=function(){},e}(),fe={length:0,start:function(){return 0},end:function(){return 0}},ce=function(){function e(){}return e.isBuffered=function(t,r){try{if(t)for(var i=e.getBuffered(t),n=0;n=i.start(n)&&r<=i.end(n))return!0}catch(e){}return!1},e.bufferInfo=function(t,r,i){try{if(t){var n,a=e.getBuffered(t),s=[];for(n=0;ns&&(i[a-1].end=e[n].end):i.push(e[n])}else i.push(e[n])}else i=e;for(var o,l=0,u=t,d=t,h=0;h=f&&t0)r=n+1;else{if(!(s<0))return a;i=n-1}}return null};function ye(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var i=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=e?1:r.start-i>e&&r.start?-1:0}function Ee(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}function Te(e){var t="function"==typeof Map?new Map:void 0;return Te=function(e){if(null===e||(r=e,-1===Function.toString.call(r).indexOf("[native code]")))return e;var r;if("function"!=typeof e)throw new TypeError("Super expression must either be null or a function");if(void 0!==t){if(t.has(e))return 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0,this.loader=null,this.partLoadTimeout=-1,this.config=e}var t=e.prototype;return t.destroy=function(){this.loader&&(this.loader.destroy(),this.loader=null)},t.abort=function(){this.loader&&this.loader.abort()},t.load=function(e,t){var r=this,i=e.url;if(!i)return Promise.reject(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.FRAG_LOAD_ERROR,fatal:!1,frag:e,networkDetails:null},"Fragment does not have a "+(i?"part list":"url")));this.abort();var n=this.config,a=n.fLoader,s=n.loader;return new Promise((function(i,l){r.loader&&r.loader.destroy();var u=r.loader=e.loader=a?new a(n):new s(n),d=ke(e),h={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:n.fragLoadingMaxRetryTimeout,highWaterMark:"initSegment"===e.sn?1/0:De};e.stats=u.stats,u.load(d,h,{onSuccess:function(t,n,a,s){r.resetLoader(e,u),i({frag:e,part:null,payload:t.data,networkDetails:s})},onError:function(t,i,n){r.resetLoader(e,u),l(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.FRAG_LOAD_ERROR,fatal:!1,frag:e,response:t,networkDetails:n}))},onAbort:function(t,i,n){r.resetLoader(e,u),l(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.INTERNAL_ABORTED,fatal:!1,frag:e,networkDetails:n}))},onTimeout:function(t,i,n){r.resetLoader(e,u),l(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e,networkDetails:n}))},onProgress:function(r,i,n,a){t&&t({frag:e,part:null,payload:n,networkDetails:a})}})}))},t.loadPart=function(e,t,r){var i=this;this.abort();var n=this.config,a=n.fLoader,s=n.loader;return new Promise((function(l,u){i.loader&&i.loader.destroy();var d=i.loader=e.loader=a?new a(n):new s(n),h=ke(e,t),f={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:n.fragLoadingMaxRetryTimeout,highWaterMark:De};t.stats=d.stats,d.load(h,f,{onSuccess:function(n,a,s,o){i.resetLoader(e,d),i.updateStatsFromPart(e,t);var u={frag:e,part:t,payload:n.data,networkDetails:o};r(u),l(u)},onError:function(r,n,a){i.resetLoader(e,d),u(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.FRAG_LOAD_ERROR,fatal:!1,frag:e,part:t,response:r,networkDetails:a}))},onAbort:function(r,n,a){e.stats.aborted=t.stats.aborted,i.resetLoader(e,d),u(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.INTERNAL_ABORTED,fatal:!1,frag:e,part:t,networkDetails:a}))},onTimeout:function(r,n,a){i.resetLoader(e,d),u(new _e({type:o.ErrorTypes.NETWORK_ERROR,details:o.ErrorDetails.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e,part:t,networkDetails:a}))}})}))},t.updateStatsFromPart=function(e,t){var r=e.stats,i=t.stats,n=i.total;if(r.loaded+=i.loaded,n){var a=Math.round(e.duration/t.duration),s=Math.min(Math.round(r.loaded/n),a),o=(a-s)*Math.round(r.loaded/s);r.total=r.loaded+o}else r.total=Math.max(r.loaded,r.total);var l=r.loading,u=i.loading;l.start?l.first+=u.first-u.start:(l.start=u.start,l.first=u.first),l.end=u.end},t.resetLoader=function(e,t){e.loader=null,this.loader===t&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),t.destroy()},e}();function ke(e,t){void 0===t&&(t=null);var r=t||e,i={frag:e,part:t,responseType:"arraybuffer",url:r.url,headers:{},rangeStart:0,rangeEnd:0},n=r.byteRangeStartOffset,s=r.byteRangeEndOffset;return(0,a.isFiniteNumber)(n)&&(0,a.isFiniteNumber)(s)&&(i.rangeStart=n,i.rangeEnd=s),i}var _e=function(e){var t,r;function i(t){for(var r,i=arguments.length,n=new Array(i>1?i-1:0),a=1;a=t.endSN&&!e.nextStart){var n=t.partList;if(null!=n&&n.length){var a=n[n.length-1];return ce.isBuffered(this.media,a.start+a.duration/2)}var s=i.getState(r);return s===ae.PARTIAL||s===ae.OK}return!1},h.onMediaAttached=function(e,t){var r=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),r.addEventListener("seeking",this.onvseeking),r.addEventListener("ended",this.onvended);var i=this.config;this.levels&&i.autoStartLoad&&this.state===Oe&&this.startLoad(i.startPosition)},h.onMediaDetaching=function(){var e=this.media;null!=e&&e.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&this.onvseeking&&this.onvended&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},h.onMediaSeeking=function(){var e=this.config,t=this.fragCurrent,r=this.media,i=this.mediaBuffer,n=this.state,s=r?r.currentTime:0,o=ce.bufferInfo(i||r,s,e.maxBufferHole);if(this.log("media seeking to 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Uint8Array(r.payload),o.parsing.start=o.buffering.start=self.performance.now(),o.parsing.end=o.buffering.end=self.performance.now(),r.frag===i&&n.trigger(s.Events.FRAG_BUFFERED,{stats:o,frag:i,part:null,id:e.type}),t.tick()})).catch((function(r){t.state!==Oe&&t.state!==He&&(t.warn(r),t.resetFragmentLoading(e))}))},h.fragContextChanged=function(e){var t=this.fragCurrent;return!e||!t||e.level!==t.level||e.sn!==t.sn||e.urlId!==t.urlId},h.fragBufferedComplete=function(e,t){var r,i,n=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+e.type+" sn: "+e.sn+(t?" part: "+t.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+e.level+" "+(n?Ie(ce.getBuffered(n)):"(detached)")),this.state=Fe,n&&(!this.loadedmetadata&&e.type==C.PlaylistLevelType.MAIN&&n.buffered.length&&(null===(r=this.fragCurrent)||void 0===r?void 0:r.sn)===(null===(i=this.fragPrevious)||void 0===i?void 0:i.sn)&&(this.loadedmetadata=!0,this.seekToStartPos()),this.tick())},h.seekToStartPos=function(){},h._handleFragmentLoadComplete=function(e){var t=this.transmuxer;if(t){var r=e.frag,i=e.part,n=e.partsLoaded,a=!n||0===n.length||n.some((function(e){return!e})),s=new ve(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!a);t.flush(s)}},h._handleFragmentLoadProgress=function(e){},h._doFragLoad=function(e,t,r,i){var n=this;if(void 0===r&&(r=null),!this.levels)throw new Error("frag load aborted, missing levels");if(r=Math.max(e.start,r||0),this.config.lowLatencyMode&&t){var o=t.partList;if(o&&i){r>e.end&&t.fragmentHint&&(e=t.fragmentHint);var l=this.getNextPart(o,e,r);if(l>-1){var u=o[l];return this.log("Loading part sn: "+e.sn+" p: "+u.index+" cc: "+e.cc+" of playlist ["+t.startSN+"-"+t.endSN+"] parts [0-"+l+"-"+(o.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+e.level+", target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=u.start+u.duration,this.state=Ne,this.hls.trigger(s.Events.FRAG_LOADING,{frag:e,part:o[l],targetBufferTime:r}),this.doFragPartsLoad(e,o,l,i).catch((function(e){return n.handleFragLoadError(e)}))}if(!e.url||this.loadedEndOfParts(o,r))return Promise.resolve(null)}}return this.log("Loading fragment "+e.sn+" cc: "+e.cc+" "+(t?"of ["+t.startSN+"-"+t.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+e.level+", target: "+parseFloat(r.toFixed(3))),(0,a.isFiniteNumber)(e.sn)&&!this.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),this.state=Ne,this.hls.trigger(s.Events.FRAG_LOADING,{frag:e,targetBufferTime:r}),this.fragmentLoader.load(e,i).catch((function(e){return n.handleFragLoadError(e)}))},h.doFragPartsLoad=function(e,t,r,i){var n=this;return new Promise((function(a,o){var l=[];!function r(u){var d=t[u];n.fragmentLoader.loadPart(e,d,i).then((function(i){l[d.index]=i;var o=i.part;n.hls.trigger(s.Events.FRAG_LOADED,i);var h=t[u+1];if(!h||h.fragment!==e)return a({frag:e,part:o,partsLoaded:l});r(u+1)})).catch(o)}(r)}))},h.handleFragLoadError=function(e){var t=e.data;return t&&t.details===o.ErrorDetails.INTERNAL_ABORTED?this.handleFragLoadAborted(t.frag,t.part):this.hls.trigger(s.Events.ERROR,t),null},h._handleTransmuxerFlush=function(e){var t=this.getCurrentContext(e);if(t&&this.state===Be){var r=t.frag,i=t.part,n=t.level,a=self.performance.now();r.stats.parsing.end=a,i&&(i.stats.parsing.end=a),this.updateLevelTiming(r,i,n,e.partial)}else this.fragCurrent||(this.state=Fe)},h.getCurrentContext=function(e){var t=this.levels,r=e.level,i=e.sn,n=e.part;if(!t||!t[r])return this.warn("Levels object was unset while buffering fragment "+i+" of level "+r+". 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Je.TransmuxState(E,A,o,T,p,R);if(!A||E||R){l.logger.log("[transmuxer-interface, "+n.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n discontinuity: "+E+"\n trackSwitch: "+T+"\n contiguous: "+A+"\n accurateTimeOffset: "+o+"\n timeOffset: "+p+"\n initSegmentChange: "+R);var _=new Je.TransmuxConfig(r,i,t,s,d);this.configureTransmuxer(_)}if(this.frag=n,this.part=a,g)g.postMessage({cmd:"demux",data:e,decryptdata:m,chunkMeta:u,state:k},e instanceof ArrayBuffer?[e]:[]);else if(v){var x=v.push(e,m,u,k);(0,Je.isPromise)(x)?x.then((function(e){c.handleTransmuxComplete(e)})):this.handleTransmuxComplete(x)}},t.flush=function(e){var t=this;e.transmuxing.start=self.performance.now();var r=this.transmuxer,i=this.worker;if(i)i.postMessage({cmd:"flush",chunkMeta:e});else if(r){var n=r.flush(e);(0,Je.isPromise)(n)?n.then((function(r){t.handleFlushResult(r,e)})):this.handleFlushResult(n,e)}},t.handleFlushResult=function(e,t){var r=this;e.forEach((function(e){r.handleTransmuxComplete(e)})),this.onFlush(t)},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(t.data);break;case"flush":this.onFlush(t.data);break;case"workerLog":l.logger[t.data.logType]&&l.logger[t.data.logType](t.data.message);break;default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},t.configureTransmuxer=function(e){var t=this.worker,r=this.transmuxer;t?t.postMessage({cmd:"configure",config:e}):r&&r.configure(e)},t.handleTransmuxComplete=function(e){e.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(e)},e}(),it=function(){function e(e,t,r,i){this.config=void 0,this.media=null,this.fragmentTracker=void 0,this.hls=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.config=e,this.media=t,this.fragmentTracker=r,this.hls=i}var t=e.prototype;return t.destroy=function(){this.media=null,this.hls=this.fragmentTracker=null},t.poll=function(e,t){var r=this.config,i=this.media,n=this.stalled;if(null!==i){var a=i.currentTime,s=i.seeking,o=this.seeking&&!s,u=!this.seeking&&s;if(this.seeking=s,a===e){if((u||o)&&(this.stalled=null),!(i.paused&&!s||i.ended||0===i.playbackRate)&&ce.getBuffered(i).length){var d=ce.bufferInfo(i,a,0),h=d.len>0,f=d.nextStart||0;if(h||f){if(s){var c=d.len>2,v=!f||t&&t.start<=a||f-a>2&&!this.fragmentTracker.getPartialFragment(a);if(c||v)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var g,p=Math.max(f,d.start||0)-a,m=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,y=(null==m||null===(g=m.details)||void 0===g?void 0:g.live)?2*m.details.targetduration:2;if(p>0&&p<=y)return void this._trySkipBufferHole(null)}var E=self.performance.now();if(null!==n){var T=E-n;if(s||!(T>=250)||(this._reportStall(d),this.media)){var S=ce.bufferInfo(i,a,r.maxBufferHole);this._tryFixBufferStall(S,T)}}else this.stalled=E}}}else if(this.moved=!0,null!==n){if(this.stallReported){var b=self.performance.now()-n;l.logger.warn("playback not stuck anymore @"+a+", after "+Math.round(b)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}}},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,n=this.media;if(null!==n){var a=n.currentTime,s=i.getPartialFragment(a);if(s&&(this._trySkipBufferHole(s)||!this.media))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(l.logger.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())}},t._reportStall=function(e){var t=this.hls,r=this.media;!this.stallReported&&r&&(this.stallReported=!0,l.logger.warn("Playback stalling at @"+r.currentTime+" due to low buffer ("+JSON.stringify(e)+")"),t.trigger(s.Events.ERROR,{type:o.ErrorTypes.MEDIA_ERROR,details:o.ErrorDetails.BUFFER_STALLED_ERROR,fatal:!1,buffer:e.len}))},t._trySkipBufferHole=function(e){var t=this.config,r=this.hls,i=this.media;if(null===i)return 0;for(var n=i.currentTime,a=0,u=ce.getBuffered(i),d=0;d=a&&n1?(i=0,this.bitrateTest=!0):i=r.nextAutoLevel),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1}t>0&&-1===e&&(this.log("Override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=Fe,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this._forceStartLoad=!0,this.state=Oe},u.stopLoad=function(){this._forceStartLoad=!1,e.prototype.stopLoad.call(this)},u.doTick=function(){switch(this.state){case Fe:this.doTickIdle();break;case je:var e,t=this.levels,r=this.level,i=null==t||null===(e=t[r])||void 0===e?void 0:e.details;if(i&&(!i.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(i))break;this.state=Fe;break}break;case Ue:var n,a=self.performance.now(),s=this.retryDate;(!s||a>=s||null!==(n=this.media)&&void 0!==n&&n.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.resetStartWhenNotLoaded(this.level),this.state=Fe)}this.onTickEnd()},u.onTickEnd=function(){e.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},u.doTickIdle=function(){var e,t,r=this.hls,i=this.levelLastLoaded,n=this.levels,a=this.media,o=r.config,l=r.nextLoadLevel;if(null!==i&&(a||!this.startFragRequested&&o.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&n&&n[l]){var u=n[l];this.level=r.nextLoadLevel=l;var d=u.details;if(!d||this.state===je||d.live&&this.levelLastLoaded!==l)this.state=je;else{var h=this.getMainFwdBufferInfo();if(null!==h&&!(h.len>=this.getMaxBufferLength(u.maxBitrate))){if(this._streamEnded(h,d)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger(s.Events.BUFFER_EOS,f),void(this.state=Ve)}this.backtrackFragment&&this.backtrackFragment.start>h.end&&(this.backtrackFragment=null);var c=this.backtrackFragment?this.backtrackFragment.start:h.end,v=this.getNextFragment(c,d);if(this.couldBacktrack&&!this.fragPrevious&&v&&"initSegment"!==v.sn&&this.fragmentTracker.getState(v)!==ae.OK){var g,m=(null!=(g=this.backtrackFragment)?g:v).sn-d.startSN,y=d.fragments[m-1];y&&v.cc===y.cc&&(v=y,this.fragmentTracker.removeFragment(y))}else this.backtrackFragment&&h.len&&(this.backtrackFragment=null);if(v&&this.fragmentTracker.getState(v)===ae.OK&&this.nextLoadPosition>c){var E=this.audioOnly&&!this.altAudio?p.ElementaryStreamTypes.AUDIO:p.ElementaryStreamTypes.VIDEO;a&&this.afterBufferFlushed(a,E,C.PlaylistLevelType.MAIN),v=this.getNextFragment(this.nextLoadPosition,d)}v&&(!v.initSegment||v.initSegment.data||this.bitrateTest||(v=v.initSegment),"identity"!==(null===(e=v.decryptdata)||void 0===e?void 0:e.keyFormat)||null!==(t=v.decryptdata)&&void 0!==t&&t.key?this.loadFragment(v,d,c):this.loadKey(v,d))}}}},u.loadFragment=function(t,r,i){var n,a=this.fragmentTracker.getState(t);this.fragCurrent=t,a===ae.NOT_LOADED?"initSegment"===t.sn?this._loadInitSegment(t):this.bitrateTest?(this.log("Fragment "+t.sn+" of level "+t.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(t)):(this.startFragRequested=!0,e.prototype.loadFragment.call(this,t,r,i)):a===ae.APPENDING?this.reduceMaxBufferLength(t.duration)&&this.fragmentTracker.removeFragment(t):0===(null===(n=this.media)||void 0===n?void 0:n.buffered.length)&&this.fragmentTracker.removeAllFragments()},u.getAppendedFrag=function(e){var t=this.fragmentTracker.getAppendedFrag(e,C.PlaylistLevelType.MAIN);return t&&"fragment"in t?t.fragment:t},u.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,C.PlaylistLevelType.MAIN)},u.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.end+.5):null},u.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},u.nextLevelSwitch=function(){var e=this.levels,t=this.media;if(null!=t&&t.readyState){var r,i=this.getAppendedFrag(t.currentTime);if(i&&i.start>1&&this.flushMainBuffer(0,i.start-1),!t.paused&&e){var n=e[this.hls.nextLoadLevel],a=this.fragLastKbps;r=a&&this.fragCurrent?this.fragCurrent.duration*n.maxBitrate/(1e3*a)+1:0}else r=0;var s=this.getBufferedFrag(t.currentTime+r);if(s){var o=this.followingBufferedFrag(s);if(o){this.abortCurrentFrag();var l=o.maxStartPTS?o.maxStartPTS:o.start,u=o.duration,d=Math.max(s.end,l+Math.min(Math.max(u-this.config.maxFragLookUpTolerance,.5*u),.75*u));this.flushMainBuffer(d,Number.POSITIVE_INFINITY)}}}},u.abortCurrentFrag=function(){var e=this.fragCurrent;switch(this.fragCurrent=null,this.backtrackFragment=null,null!=e&&e.loader&&e.loader.abort(),this.state){case Me:case Ne:case Ue:case Be:case Ge:this.state=Fe}this.nextLoadPosition=this.getLoadPosition()},u.flushMainBuffer=function(t,r){e.prototype.flushMainBuffer.call(this,t,r,this.altAudio?"video":null)},u.onMediaAttached=function(t,r){e.prototype.onMediaAttached.call(this,t,r);var i=r.media;this.onvplaying=this.onMediaPlaying.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),i.addEventListener("playing",this.onvplaying),i.addEventListener("seeked",this.onvseeked),this.gapController=new it(this.config,i,this.fragmentTracker,this.hls)},u.onMediaDetaching=function(){var t=this.media;t&&this.onvplaying&&this.onvseeked&&(t.removeEventListener("playing",this.onvplaying),t.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),e.prototype.onMediaDetaching.call(this)},u.onMediaPlaying=function(){this.tick()},u.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:null;(0,a.isFiniteNumber)(t)&&this.log("Media seeked to "+t.toFixed(3)),this.tick()},u.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(s.Events.BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.couldBacktrack=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null,this.backtrackFragment=null},u.onManifestParsed=function(e,t){var r,i,n,a=!1,s=!1;t.levels.forEach((function(e){(r=e.audioCodec)&&(-1!==r.indexOf("mp4a.40.2")&&(a=!0),-1!==r.indexOf("mp4a.40.5")&&(s=!0))})),this.audioCodecSwitch=a&&s&&!("function"==typeof(null==(n=Ye())||null===(i=n.prototype)||void 0===i?void 0:i.changeType)),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startFragRequested=!1},u.onLevelLoading=function(e,t){var r=this.levels;if(r&&this.state===Fe){var i=r[t.level];(!i.details||i.details.live&&this.levelLastLoaded!==t.level||this.waitForCdnTuneIn(i.details))&&(this.state=je)}},u.onLevelLoaded=function(e,t){var r,i=this.levels,n=t.level,a=t.details,o=a.totalduration;if(i){this.log("Level "+n+" loaded ["+a.startSN+","+a.endSN+"], cc ["+a.startCC+", "+a.endCC+"] duration:"+o);var l=this.fragCurrent;!l||this.state!==Ne&&this.state!==Ue||l.level!==t.level&&l.loader&&(this.state=Fe,this.backtrackFragment=null,l.loader.abort());var u=i[n],d=0;if(a.live||null!==(r=u.details)&&void 0!==r&&r.live){if(a.fragments[0]||(a.deltaUpdateFailed=!0),a.deltaUpdateFailed)return;d=this.alignPlaylists(a,u.details)}if(u.details=a,this.levelLastLoaded=n,this.hls.trigger(s.Events.LEVEL_UPDATED,{details:a,level:n}),this.state===je){if(this.waitForCdnTuneIn(a))return;this.state=Fe}this.startFragRequested?a.live&&this.synchronizeToLiveEdge(a):this.setStartPosition(a,d),this.tick()}else this.warn("Levels were reset while loading level "+n)},u._handleFragmentLoadProgress=function(e){var t,r=e.frag,i=e.part,n=e.payload,a=this.levels;if(a){var s=a[r.level],o=s.details;if(o){var l=s.videoCodec,u=o.PTSKnown||!o.live,d=null===(t=r.initSegment)||void 0===t?void 0:t.data,h=this._getAudioCodec(s),f=this.transmuxer=this.transmuxer||new rt(this.hls,C.PlaylistLevelType.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),c=i?i.index:-1,v=-1!==c,g=new ve(r.level,r.sn,r.stats.chunkCount,n.byteLength,c,v),p=this.initPTS[r.cc];f.push(n,d,h,l,r,i,o.totalduration,u,g,p)}else this.warn("Dropping fragment "+r.sn+" of level "+r.level+" after level details were reset")}else this.warn("Levels were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},u.onAudioTrackSwitching=function(e,t){var r=this.altAudio,i=!!t.url,n=t.id;if(!i){if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var a=this.fragCurrent;null!=a&&a.loader&&(this.log("Switching to main audio track, cancel main fragment load"),a.loader.abort()),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;r&&o.trigger(s.Events.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(s.Events.AUDIO_TRACK_SWITCHED,{id:n})}},u.onAudioTrackSwitched=function(e,t){var r=t.id,i=!!this.hls.audioTracks[r].url;if(i){var n=this.videoBuffer;n&&this.mediaBuffer!==n&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=n)}this.altAudio=i,this.tick()},u.onBufferCreated=function(e,t){var r,i,n=t.tracks,a=!1;for(var s in n){var o=n[s];if("main"===o.id){if(i=s,r=o,"video"===s){var l=n[s];l&&(this.videoBuffer=l.buffer)}}else a=!0}a&&r?(this.log("Alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},u.onFragBuffered=function(e,t){var r=t.frag,i=t.part;if(!r||r.type===C.PlaylistLevelType.MAIN){if(this.fragContextChanged(r))return this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state),void(this.state===Ge&&(this.state=Fe));var n=i?i.stats:r.stats;this.fragLastKbps=Math.round(8*n.total/(n.buffering.end-n.loading.first)),"initSegment"!==r.sn&&(this.fragPrevious=r),this.fragBufferedComplete(r,i)}},u.onError=function(e,t){switch(t.details){case o.ErrorDetails.FRAG_LOAD_ERROR:case o.ErrorDetails.FRAG_LOAD_TIMEOUT:case o.ErrorDetails.KEY_LOAD_ERROR:case o.ErrorDetails.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(C.PlaylistLevelType.MAIN,t);break;case o.ErrorDetails.LEVEL_LOAD_ERROR:case o.ErrorDetails.LEVEL_LOAD_TIMEOUT:this.state!==He&&(t.fatal?(this.warn(""+t.details),this.state=He):t.levelRetry||this.state!==je||(this.state=Fe));break;case o.ErrorDetails.BUFFER_FULL_ERROR:if("main"===t.parent&&(this.state===Be||this.state===Ge)){var r=!0,i=this.getFwdBufferInfo(this.media,C.PlaylistLevelType.MAIN);i&&i.len>.5&&(r=!this.reduceMaxBufferLength(i.len)),r&&(this.warn("buffer full error also media.currentTime is not buffered, flush main"),this.immediateLevelSwitch()),this.resetLoadingState()}}},u.checkBuffer=function(){var e=this.media,t=this.gapController;if(e&&t&&e.readyState){if(this.loadedmetadata||!ce.getBuffered(e).length){var r=this.state!==Fe?this.fragCurrent:null;t.poll(this.lastCurrentTime,r)}this.lastCurrentTime=e.currentTime}},u.onFragLoadEmergencyAborted=function(){this.state=Fe,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},u.onBufferFlushed=function(e,t){var r=t.type;if(r!==p.ElementaryStreamTypes.AUDIO||this.audioOnly&&!this.altAudio){var i=(r===p.ElementaryStreamTypes.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r,C.PlaylistLevelType.MAIN)}},u.onLevelsUpdated=function(e,t){this.levels=t.levels},u.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},u.seekToStartPos=function(){var e=this.media;if(e){var t=e.currentTime,r=this.startPosition;if(r>=0&&t0&&(n1&&!1===e.seeking){var r=e.currentTime;if(ce.isBuffered(e,r)?t=this.getAppendedFrag(r):ce.isBuffered(e,r+.1)&&(t=this.getAppendedFrag(r+.1)),t){this.backtrackFragment=null;var i=this.fragPlaying,n=t.level;i&&t.sn===i.sn&&i.level===n&&t.urlId===i.urlId||(this.hls.trigger(s.Events.FRAG_CHANGED,{frag:t}),i&&i.level===n||this.hls.trigger(s.Events.LEVEL_SWITCHED,{level:n}),this.fragPlaying=t)}}},n=i,(l=[{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"currentFrag",get:function(){var e=this.media;return e?this.fragPlaying||this.getAppendedFrag(e.currentTime):null}},{key:"currentProgramDateTime",get:function(){var e=this.media;if(e){var t=e.currentTime,r=this.currentFrag;if(r&&(0,a.isFiniteNumber)(t)&&(0,a.isFiniteNumber)(r.programDateTime)){var i=r.programDateTime+1e3*(t-r.start);return new Date(i)}}return null}},{key:"currentLevel",get:function(){var e=this.currentFrag;return e?e.level:-1}},{key:"nextBufferedFrag",get:function(){var e=this.currentFrag;return e?this.followingBufferedFrag(e):null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])&&nt(n.prototype,l),Object.defineProperty(n,"prototype",{writable:!1}),i}(Ke);const ot=function(){function e(e,t,r){void 0===t&&(t=0),void 0===r&&(r=0),this.halfLife=void 0,this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.halfLife=e,this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=t,this.totalWeight_=r}var t=e.prototype;return t.sample=function(e,t){var r=Math.pow(this.alpha_,e);this.estimate_=t*(1-r)+r*this.estimate_,this.totalWeight_+=e},t.getTotalWeight=function(){return this.totalWeight_},t.getEstimate=function(){if(this.alpha_){var e=1-Math.pow(this.alpha_,this.totalWeight_);if(e)return this.estimate_/e}return this.estimate_},e}(),lt=function(){function e(e,t,r){this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.defaultEstimate_=r,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new ot(e),this.fast_=new ot(t)}var t=e.prototype;return t.update=function(e,t){var r=this.slow_,i=this.fast_;this.slow_.halfLife!==e&&(this.slow_=new ot(e,r.getEstimate(),r.getTotalWeight())),this.fast_.halfLife!==t&&(this.fast_=new ot(t,i.getEstimate(),i.getTotalWeight()))},t.sample=function(e,t){var r=(e=Math.max(e,this.minDelayMs_))/1e3,i=8*t/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},t.canEstimate=function(){var e=this.fast_;return e&&e.getTotalWeight()>=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function ut(e,t){for(var r=0;rp;b--){var A=g[b].maxBitrate;if((L=E?u*A/(6.4*E):u*A/v)=T||(l.logger.warn("Fragment "+e.sn+(t?" part "+t.index:"")+" of level "+e.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+b+"\n Current BW estimate: "+((0,a.isFiniteNumber)(v)?(v/1024).toFixed(3):"Unknown")+" Kb/s\n Estimated load time for current fragment: "+T.toFixed(3)+" s\n Estimated load time for the next fragment: "+L.toFixed(3)+" s\n Time to underbuffer: "+S.toFixed(3)+" s"),r.nextLoadLevel=b,c&&this.bwEstimator.sample(h,o.loaded),this.clearTimer(),e.loader&&(this.fragCurrent=this.partCurrent=null,e.loader.abort()),r.trigger(s.Events.FRAG_LOAD_EMERGENCY_ABORTED,{frag:e,part:t,stats:o}))}}}}}},i.onFragLoaded=function(e,t){var r=t.frag,i=t.part;if(r.type===C.PlaylistLevelType.MAIN&&(0,a.isFiniteNumber)(r.sn)){var n=i?i.stats:r.stats,o=i?i.duration:r.duration;if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var l=this.hls.levels[r.level],u=(l.loaded?l.loaded.bytes:0)+n.loaded,d=(l.loaded?l.loaded.duration:0)+o;l.loaded={bytes:u,duration:d},l.realBitrate=Math.round(8*u/d)}if(r.bitrateTest){var h={stats:n,frag:r,part:i,id:r.type};this.onFragBuffered(s.Events.FRAG_BUFFERED,h)}}},i.onFragBuffered=function(e,t){var r=t.frag,i=t.part,n=i?i.stats:r.stats;if(!n.aborted&&r.type===C.PlaylistLevelType.MAIN&&"initSegment"!==r.sn){var a=n.parsing.end-n.loading.start;this.bwEstimator.sample(a,n.loaded),n.bwEstimate=this.bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},i.onError=function(e,t){switch(t.details){case o.ErrorDetails.FRAG_LOAD_ERROR:case o.ErrorDetails.FRAG_LOAD_TIMEOUT:this.clearTimer()}},i.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},i.getNextABRAutoLevel=function(){var e=this.fragCurrent,t=this.partCurrent,r=this.hls,i=r.maxAutoLevel,n=r.config,a=r.minAutoLevel,s=r.media,o=t?t.duration:e?e.duration:0,u=(s&&s.currentTime,s&&0!==s.playbackRate?Math.abs(s.playbackRate):1),d=this.bwEstimator?this.bwEstimator.getEstimate():n.abrEwmaDefaultEstimate,h=r.mainForwardBufferInfo,f=(h?h.len:0)/u,c=this.findBestLevel(d,a,i,f,n.abrBandWidthFactor,n.abrBandWidthUpFactor);if(c>=0)return c;l.logger.trace((f?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var v=o?Math.min(o,n.maxStarvationDelay):n.maxStarvationDelay,g=n.abrBandWidthFactor,p=n.abrBandWidthUpFactor;if(!f){var m=this.bitrateTestDelay;m&&(v=(o?Math.min(o,n.maxLoadingDelay):n.maxLoadingDelay)-m,l.logger.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),g=p=1)}return c=this.findBestLevel(d,a,i,f+v,g,p),Math.max(c,0)},i.findBestLevel=function(e,t,r,i,n,s){for(var o,u=this.fragCurrent,d=this.partCurrent,h=this.lastLoadedFragLevel,f=this.hls.levels,c=f[h],v=!(null==c||null===(o=c.details)||void 0===o||!o.live),g=null==c?void 0:c.codecSet,p=d?d.duration:u?u.duration:0,m=r;m>=t;m--){var y=f[m];if(y&&(!g||y.codecSet===g)){var E,T=y.details,S=(d?null==T?void 0:T.partTarget:null==T?void 0:T.averagetargetduration)||p;E=m<=h?n*e:s*e;var b=f[m].maxBitrate,L=b*S/E;if(l.logger.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+m+"/"+Math.round(E)+"/"+b+"/"+S+"/"+i+"/"+L),E>b&&(0===L||!(0,a.isFiniteNumber)(L)||v&&!this.bitrateTestDelay||L0||Object.keys(this.pendingTracks).length>0},t.destroy=function(){this.unregisterListeners(),this.details=null},t.registerListeners=function(){var e=this.hls;e.on(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(s.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.on(s.Events.BUFFER_RESET,this.onBufferReset,this),e.on(s.Events.BUFFER_APPENDING,this.onBufferAppending,this),e.on(s.Events.BUFFER_CODECS,this.onBufferCodecs,this),e.on(s.Events.BUFFER_EOS,this.onBufferEos,this),e.on(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(s.Events.FRAG_PARSED,this.onFragParsed,this),e.on(s.Events.FRAG_CHANGED,this.onFragChanged,this)},t.unregisterListeners=function(){var e=this.hls;e.off(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(s.Events.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(s.Events.MANIFEST_PARSED,this.onManifestParsed,this),e.off(s.Events.BUFFER_RESET,this.onBufferReset,this),e.off(s.Events.BUFFER_APPENDING,this.onBufferAppending,this),e.off(s.Events.BUFFER_CODECS,this.onBufferCodecs,this),e.off(s.Events.BUFFER_EOS,this.onBufferEos,this),e.off(s.Events.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(s.Events.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(s.Events.FRAG_PARSED,this.onFragParsed,this),e.off(s.Events.FRAG_CHANGED,this.onFragChanged,this)},t._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new ct(this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},t.onManifestParsed=function(e,t){var r=2;(t.audio&&!t.video||!t.altAudio)&&(r=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=r,this.details=null,l.logger.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},t.onMediaAttaching=function(e,t){var r=this.media=t.media;if(r&&vt){var i=this.mediaSource=new vt;i.addEventListener("sourceopen",this._onMediaSourceOpen),i.addEventListener("sourceended",this._onMediaSourceEnded),i.addEventListener("sourceclose",this._onMediaSourceClose),r.src=self.URL.createObjectURL(i),this._objectUrl=r.src}},t.onMediaDetaching=function(){var e=this.media,t=this.mediaSource,r=this._objectUrl;if(t){if(l.logger.log("[buffer-controller]: media source detaching"),"open"===t.readyState)try{t.endOfStream()}catch(e){l.logger.warn("[buffer-controller]: onMediaDetaching: "+e.message+" while calling endOfStream")}this.onBufferReset(),t.removeEventListener("sourceopen",this._onMediaSourceOpen),t.removeEventListener("sourceended",this._onMediaSourceEnded),t.removeEventListener("sourceclose",this._onMediaSourceClose),e&&(r&&self.URL.revokeObjectURL(r),e.src===r?(e.removeAttribute("src"),e.load()):l.logger.warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={}}this.hls.trigger(s.Events.MEDIA_DETACHED,void 0)},t.onBufferReset=function(){var e=this;this.getSourceBufferTypes().forEach((function(t){var r=e.sourceBuffer[t];try{r&&(e.removeBufferListeners(t),e.mediaSource&&e.mediaSource.removeSourceBuffer(r),e.sourceBuffer[t]=void 0)}catch(e){l.logger.warn("[buffer-controller]: Failed to reset the "+t+" buffer",e)}})),this._initSourceBuffer()},t.onBufferCodecs=function(e,t){var r=this,i=this.getSourceBufferTypes().length;Object.keys(t).forEach((function(e){if(i){var n=r.tracks[e];if(n&&"function"==typeof n.buffer.changeType){var a=t[e],s=a.id,o=a.codec,u=a.levelCodec,d=a.container,h=a.metadata,f=(n.levelCodec||n.codec).replace(gt,"$1"),c=(u||o).replace(gt,"$1");if(f!==c){var v=d+";codecs="+(u||o);r.appendChangeType(e,v),l.logger.log("[buffer-controller]: switching codec "+f+" to "+c),r.tracks[e]={buffer:n.buffer,codec:o,container:d,levelCodec:u,metadata:h,id:s}}}}else r.pendingTracks[e]=t[e]})),i||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},t.appendChangeType=function(e,t){var r=this,i=this.operationQueue,n={execute:function(){var n=r.sourceBuffer[e];n&&(l.logger.log("[buffer-controller]: changing "+e+" sourceBuffer type to "+t),n.changeType(t)),i.shiftAndExecuteNext(e)},onStart:function(){},onComplete:function(){},onError:function(t){l.logger.warn("[buffer-controller]: Failed to change "+e+" SourceBuffer type",t)}};i.append(n,e)},t.onBufferAppending=function(e,t){var r=this,i=this.hls,n=this.operationQueue,a=this.tracks,u=t.data,d=t.type,h=t.frag,f=t.part,c=t.chunkMeta,v=c.buffering[d],g=self.performance.now();v.start=g;var p=h.stats.buffering,m=f?f.stats.buffering:null;0===p.start&&(p.start=g),m&&0===m.start&&(m.start=g);var y=a.audio,E="audio"===d&&1===c.id&&"audio/mpeg"===(null==y?void 0:y.container),T={execute:function(){if(v.executeStart=self.performance.now(),E){var e=r.sourceBuffer[d];if(e){var t=h.start-e.timestampOffset;Math.abs(t)>=.1&&(l.logger.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+h.start+" (delta: "+t+") sn: "+h.sn+")"),e.timestampOffset=h.start)}}r.appendExecutor(u,d)},onStart:function(){},onComplete:function(){var e=self.performance.now();v.executeEnd=v.end=e,0===p.first&&(p.first=e),m&&0===m.first&&(m.first=e);var t=r.sourceBuffer,i={};for(var n in t)i[n]=ce.getBuffered(t[n]);r.appendError=0,r.hls.trigger(s.Events.BUFFER_APPENDED,{type:d,frag:h,part:f,chunkMeta:c,parent:h.type,timeRanges:i})},onError:function(e){l.logger.error("[buffer-controller]: Error encountered while trying to append to the "+d+" SourceBuffer",e);var t={type:o.ErrorTypes.MEDIA_ERROR,parent:h.type,details:o.ErrorDetails.BUFFER_APPEND_ERROR,err:e,fatal:!1};e.code===DOMException.QUOTA_EXCEEDED_ERR?t.details=o.ErrorDetails.BUFFER_FULL_ERROR:(r.appendError++,t.details=o.ErrorDetails.BUFFER_APPEND_ERROR,r.appendError>i.config.appendErrorMaxRetry&&(l.logger.error("[buffer-controller]: Failed "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),t.fatal=!0,i.stopLoad())),i.trigger(s.Events.ERROR,t)}};n.append(T,d)},t.onBufferFlushing=function(e,t){var r=this,i=this.operationQueue,n=function(e){return{execute:r.removeExecutor.bind(r,e,t.startOffset,t.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(s.Events.BUFFER_FLUSHED,{type:e})},onError:function(t){l.logger.warn("[buffer-controller]: Failed to remove from "+e+" SourceBuffer",t)}}};t.type?i.append(n(t.type),t.type):this.getSourceBufferTypes().forEach((function(e){i.append(n(e),e)}))},t.onFragParsed=function(e,t){var r=this,i=t.frag,n=t.part,a=[],o=n?n.elementaryStreams:i.elementaryStreams;o[p.ElementaryStreamTypes.AUDIOVIDEO]?a.push("audiovideo"):(o[p.ElementaryStreamTypes.AUDIO]&&a.push("audio"),o[p.ElementaryStreamTypes.VIDEO]&&a.push("video")),0===a.length&&l.logger.warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers((function(){var e=self.performance.now();i.stats.buffering.end=e,n&&(n.stats.buffering.end=e);var t=n?n.stats:i.stats;r.hls.trigger(s.Events.FRAG_BUFFERED,{frag:i,part:n,stats:t,id:i.type})}),a)},t.onFragChanged=function(e,t){this.flushBackBuffer()},t.onBufferEos=function(e,t){var r=this;this.getSourceBufferTypes().reduce((function(e,i){var n=r.sourceBuffer[i];return t.type&&t.type!==i||n&&!n.ended&&(n.ended=!0,l.logger.log("[buffer-controller]: "+i+" sourceBuffer now EOS")),e&&!(n&&!n.ended)}),!0)&&this.blockBuffers((function(){var e=r.mediaSource;e&&"open"===e.readyState&&e.endOfStream()}))},t.onLevelUpdated=function(e,t){var r=t.details;r.fragments.length&&(this.details=r,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},t.flushBackBuffer=function(){var e=this.hls,t=this.details,r=this.media,i=this.sourceBuffer;if(r&&null!==t){var n=this.getSourceBufferTypes();if(n.length){var o=t.live&&null!==e.config.liveBackBufferLength?e.config.liveBackBufferLength:e.config.backBufferLength;if((0,a.isFiniteNumber)(o)&&!(o<0)){var l=r.currentTime,u=t.levelTargetDuration,d=Math.max(o,u),h=Math.floor(l/u)*u-d;n.forEach((function(r){var n=i[r];if(n){var a=ce.getBuffered(n);a.length>0&&h>a.start(0)&&(e.trigger(s.Events.BACK_BUFFER_REACHED,{bufferEnd:h}),t.live&&e.trigger(s.Events.LIVE_BACK_BUFFER_REACHED,{bufferEnd:h}),e.trigger(s.Events.BUFFER_FLUSHING,{startOffset:0,endOffset:h,type:r}))}}))}}}},t.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var e=this.details,t=this.hls,r=this.media,i=this.mediaSource,n=e.fragments[0].start+e.totalduration,s=r.duration,o=(0,a.isFiniteNumber)(i.duration)?i.duration:0;e.live&&t.config.liveDurationInfinity?(l.logger.log("[buffer-controller]: Media Source duration is set to Infinity"),i.duration=1/0,this.updateSeekableRange(e)):(n>o&&n>s||!(0,a.isFiniteNumber)(s))&&(l.logger.log("[buffer-controller]: Updating Media Source duration to "+n.toFixed(3)),i.duration=n)}},t.updateSeekableRange=function(e){var t=this.mediaSource,r=e.fragments;if(r.length&&e.live&&null!=t&&t.setLiveSeekableRange){var i=Math.max(0,r[0].start),n=Math.max(i,i+e.totalduration);t.setLiveSeekableRange(i,n)}},t.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.operationQueue,r=this.pendingTracks,i=Object.keys(r).length;if(i&&!e||2===i){this.createSourceBuffers(r),this.pendingTracks={};var n=this.getSourceBufferTypes();if(0===n.length)return void this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.MEDIA_ERROR,details:o.ErrorDetails.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,reason:"could not create source buffer for media codec(s)"});n.forEach((function(e){t.executeNext(e)}))}},t.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");var i=0;for(var n in e)if(!t[n]){var a=e[n];if(!a)throw Error("source buffer exists for track "+n+", however track does not");var u=a.levelCodec||a.codec,d=a.container+";codecs="+u;l.logger.log("[buffer-controller]: creating sourceBuffer("+d+")");try{var h=t[n]=r.addSourceBuffer(d),f=n;this.addBufferListener(f,"updatestart",this._onSBUpdateStart),this.addBufferListener(f,"updateend",this._onSBUpdateEnd),this.addBufferListener(f,"error",this._onSBUpdateError),this.tracks[n]={buffer:h,codec:u,container:a.container,levelCodec:a.levelCodec,metadata:a.metadata,id:a.id},i++}catch(e){l.logger.error("[buffer-controller]: error while trying to add sourceBuffer: "+e.message),this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.MEDIA_ERROR,details:o.ErrorDetails.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:e,mimeType:d})}}i&&this.hls.trigger(s.Events.BUFFER_CREATED,{tracks:this.tracks})},t._onSBUpdateStart=function(e){this.operationQueue.current(e).onStart()},t._onSBUpdateEnd=function(e){var t=this.operationQueue;t.current(e).onComplete(),t.shiftAndExecuteNext(e)},t._onSBUpdateError=function(e,t){l.logger.error("[buffer-controller]: "+e+" SourceBuffer error",t),this.hls.trigger(s.Events.ERROR,{type:o.ErrorTypes.MEDIA_ERROR,details:o.ErrorDetails.BUFFER_APPENDING_ERROR,fatal:!1});var r=this.operationQueue.current(e);r&&r.onError(t)},t.removeExecutor=function(e,t,r){var i=this.media,n=this.mediaSource,s=this.operationQueue,o=this.sourceBuffer[e];if(!i||!n||!o)return l.logger.warn("[buffer-controller]: Attempting to remove from the "+e+" SourceBuffer, but it does not exist"),void s.shiftAndExecuteNext(e);var u=(0,a.isFiniteNumber)(i.duration)?i.duration:1/0,d=(0,a.isFiniteNumber)(n.duration)?n.duration:1/0,h=Math.max(0,t),f=Math.min(r,u,d);f>h?(l.logger.log("[buffer-controller]: Removing ["+h+","+f+"] from the "+e+" SourceBuffer"),o.remove(h,f)):s.shiftAndExecuteNext(e)},t.appendExecutor=function(e,t){var r=this.operationQueue,i=this.sourceBuffer[t];if(!i)return l.logger.warn("[buffer-controller]: Attempting to append to the "+t+" SourceBuffer, but it does not exist"),void r.shiftAndExecuteNext(t);i.ended=!1,i.appendBuffer(e)},t.blockBuffers=function(e,t){var r=this;if(void 0===t&&(t=this.getSourceBufferTypes()),!t.length)return l.logger.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve().then(e);var i=this.operationQueue,n=t.map((function(e){return i.appendBlocker(e)}));Promise.all(n).then((function(){e(),t.forEach((function(e){var t=r.sourceBuffer[e];t&&t.updating||i.shiftAndExecuteNext(e)}))}))},t.getSourceBufferTypes=function(){return Object.keys(this.sourceBuffer)},t.addBufferListener=function(e,t,r){var i=this.sourceBuffer[e];if(i){var n=r.bind(this,e);this.listeners[e].push({event:t,listener:n}),i.addEventListener(t,n)}},t.removeBufferListeners=function(e){var t=this.sourceBuffer[e];t&&this.listeners[e].forEach((function(e){t.removeEventListener(e.event,e.listener)}))},e}();function mt(e,t){for(var r=0;r0&&this.mediaWidth>0){var e=this.hls.levels;if(e.length){var t=this.hls;t.autoLevelCapping=this.getMaxLevel(e.length-1),t.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},i.getMaxLevel=function(t){var r=this,i=this.hls.levels;if(!i.length)return-1;var n=i.filter((function(i,n){return e.isLevelAllowed(n,r.restrictedLevels)&&n<=t}));return this.clientRect=null,e.getMaxLevelByMediaSize(n,this.mediaWidth,this.mediaHeight)},i.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},i.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},i.getDimensions=function(){if(this.clientRect)return this.clientRect;var e=this.media,t={width:0,height:0};if(e){var r=e.getBoundingClientRect();t.width=r.width,t.height=r.height,t.width||t.height||(t.width=r.right-r.left||e.width||0,t.height=r.bottom-r.top||e.height||0)}return this.clientRect=t,t},e.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},e.getMaxLevelByMediaSize=function(e,t,r){if(!e||!e.length)return-1;for(var i,n,a=e.length-1,s=0;s=t||o.height>=r)&&(i=o,!(n=e[s+1])||i.width!==n.width||i.height!==n.height)){a=s;break}}return a},t=e,(r=[{key:"mediaWidth",get:function(){return this.getDimensions().width*this.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*this.contentScaleFactor}},{key:"contentScaleFactor",get:function(){var e=1;if(!this.hls.config.ignoreDevicePixelRatio)try{e=self.devicePixelRatio}catch(e){}return e}}])&&mt(t.prototype,r),Object.defineProperty(t,"prototype",{writable:!1}),e}(),Et=function(){function e(e){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=e,this.registerListeners()}var t=e.prototype;return t.setStreamController=function(e){this.streamController=e},t.registerListeners=function(){this.hls.on(s.Events.MEDIA_ATTACHING,this.onMediaAttaching,this)},t.unregisterListeners=function(){this.hls.off(s.Events.MEDIA_ATTACHING,this.onMediaAttaching)},t.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},t.onMediaAttaching=function(e,t){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=t.media instanceof self.HTMLVideoElement?t.media:null;this.media=i,i&&"function"==typeof i.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),r.fpsDroppedMonitoringPeriod)}},t.checkFPS=function(e,t,r){var i=performance.now();if(t){if(this.lastTime){var n=i-this.lastTime,a=r-this.lastDroppedFrames,o=t-this.lastDecodedFrames,u=1e3*a/n,d=this.hls;if(d.trigger(s.Events.FPS_DROP,{currentDropped:a,currentDecoded:o,totalDroppedFrames:r}),u>0&&a>d.config.fpsDroppedMonitoringThreshold*o){var h=d.currentLevel;l.logger.warn("drop FPS ratio greater than max allowed value for currentLevel: "+h),h>0&&(-1===d.autoLevelCapping||d.autoLevelCapping>=h)&&(h-=1,d.trigger(s.Events.FPS_DROP_LEVEL_CAPPING,{level:h,droppedLevel:d.currentLevel}),d.autoLevelCapping=h,this.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},t.checkFPSInterval=function(){var e=this.media;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},e}();var Tt=r(408),St=/^age:\s*[\d.]+\s*$/m;const bt=function(){function e(e){this.xhrSetup=void 0,this.requestTimeout=void 0,this.retryTimeout=void 0,this.retryDelay=void 0,this.config=null,this.callbacks=null,this.context=void 0,this.loader=null,this.stats=void 0,this.xhrSetup=e?e.xhrSetup:null,this.stats=new Tt.LoadStats,this.retryDelay=0}var t=e.prototype;return t.destroy=function(){this.callbacks=null,this.abortInternal(),this.loader=null,this.config=null},t.abortInternal=function(){var e=this.loader;self.clearTimeout(this.requestTimeout),self.clearTimeout(this.retryTimeout),e&&(e.onreadystatechange=null,e.onprogress=null,4!==e.readyState&&(this.stats.aborted=!0,e.abort()))},t.abort=function(){var e;this.abortInternal(),null!==(e=this.callbacks)&&void 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