From 2122ba55628dac5c59c2df8d6bc8eeabf693f71b Mon Sep 17 00:00:00 2001 From: nobody Date: Fri, 2 Apr 2021 07:20:06 +0200 Subject: [PATCH] Added: hls.js v1.0.0 (#344) --- THIRD_PARTY.txt | 1 + modules/internal/targets.js | 4 +++- pages/updates/updates.html | 1 + resources/hls.js/1.0.0/hls.min.jsm | 2 ++ 4 files changed, 7 insertions(+), 1 deletion(-) create mode 100644 resources/hls.js/1.0.0/hls.min.jsm diff --git a/THIRD_PARTY.txt b/THIRD_PARTY.txt index 404f9a97..4c4f8f0f 100644 --- a/THIRD_PARTY.txt +++ b/THIRD_PARTY.txt @@ -794,6 +794,7 @@ https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.18.3/styles/zenburn.min.cs https://cdnjs.cloudflare.com/ajax/libs/history/4.10.1/history.min.js https://cdnjs.cloudflare.com/ajax/libs/history/5.0.0/history.production.min.js https://cdnjs.cloudflare.com/ajax/libs/hls.js/0.14.17/hls.min.js +https://cdnjs.cloudflare.com/ajax/libs/hls.js/1.0.0/hls.min.js https://cdnjs.cloudflare.com/ajax/libs/hogan.js/3.0.2/hogan.min.js https://cdnjs.cloudflare.com/ajax/libs/instantsearch.js/3.7.0/instantsearch.production.min.js https://cdnjs.cloudflare.com/ajax/libs/instantsearch.js/4.19.0/instantsearch.production.min.js diff --git a/modules/internal/targets.js b/modules/internal/targets.js index 946ea273..7145895f 100644 --- a/modules/internal/targets.js +++ b/modules/internal/targets.js @@ -283,7 +283,9 @@ targets.setLastVersion = function (type, version) { return '4.10.1'; } else if (type.startsWith('/history/5.')) { return '5.0.0'; - } else if (type.startsWith('/hls.js/')) { + } else if (type.startsWith('/hls.js/1.')) { + return '1.0.0'; + } else if (type.startsWith('/hls.js/0.')) { return '0.14.17'; } else if (type.startsWith('/hogan.js/')) { return '3.0.2'; diff --git a/pages/updates/updates.html b/pages/updates/updates.html index 26f049dd..d76de8c3 100644 --- a/pages/updates/updates.html +++ b/pages/updates/updates.html @@ -43,6 +43,7 @@
  • Updated: socket.io v4.0.0 -> v4.0.1 (#341)
  • Added: feather-icons v4.28.0 (#332)
  • Added: bluebird.js v3.7.2 (#342)
    • +
  • Added: hls.js v1.0.0 (#344)
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e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&f.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),(e=t-e)>0&&this.bitsAvailable?r<>>t))return this.word<<=t,this.bitsAvailable-=t,t;return this.loadWord(),t+this.skipLZ()},e.skipUEG=function(){this.skipBits(1+this.skipLZ())},e.skipEG=function(){this.skipBits(1+this.skipLZ())},e.readUEG=function(){var t=this.skipLZ();return this.readBits(t+1)-1},e.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},e.readBoolean=function(){return 1===this.readBits(1)},e.readUByte=function(){return this.readBits(8)},e.readUShort=function(){return this.readBits(16)},e.readUInt=function(){return this.readBits(32)},e.skipScalingList=function(t){for(var e=8,r=8,i=0;i=t.length)return void r();if(!(t[e].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(t,e,r,i),!i)return}}},e.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,r=new Int8Array(e),i=0,n=32;n<=t.length-16;n+=160,i+=16)r.set(t.subarray(n,n+16),i);return r},e.getAvcDecryptedUnit=function(t,e){for(var r=new Uint8Array(e),i=0,n=32;n<=t.length-16;n+=160,i+=16)t.set(r.subarray(i,i+16),n);return t},e.decryptAvcSample=function(t,e,r,i,n,a){var s=q(n.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){n.data=l.getAvcDecryptedUnit(s,o),a||l.decryptAvcSamples(t,e,r+1,i)}))},e.decryptAvcSamples=function(t,e,r,i){if(t instanceof Uint8Array)throw new Error("Cannot decrypt samples of type Uint8Array");for(;;e++,r=0){if(e>=t.length)return void i();for(var n=t[e].units;!(r>=n.length);r++){var a=n[r];if(!(a.data.length<=48||1!==a.type&&5!==a.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,i,a,s),!s)return}}}},t}(),B={video:1,audio:2,id3:3,text:4},G=function(){function t(t,e,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.aacLastPTS=null,this._initPTS=null,this._initDTS=null,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=t,this.config=e,this.typeSupported=r}t.probe=function(e){var r=t.syncOffset(e);return!(r<0)&&(r&&f.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},t.syncOffset=function(t){for(var e=Math.min(1e3,t.length-564),r=0;r>4>1){if((k=A+5+e[A+4])===A+188)continue}else k=A+4;switch(D){case c:R&&(g&&(o=V(g))&&this.parseAVCPES(o,!1),g={data:[],size:0}),g&&(g.data.push(e.subarray(k,A+188)),g.size+=A+188-k);break;case v:R&&(m&&(o=V(m))&&(h.isAAC?this.parseAACPES(o):this.parseMPEGPES(o)),m={data:[],size:0}),m&&(m.data.push(e.subarray(k,A+188)),m.size+=A+188-k);break;case p:R&&(y&&(o=V(y))&&this.parseID3PES(o),y={data:[],size:0}),y&&(y.data.push(e.subarray(k,A+188)),y.size+=A+188-k);break;case 0:R&&(k+=e[k]+1),b=this._pmtId=j(e,k);break;case b:R&&(k+=e[k]+1);var _=H(e,k,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,a);(c=_.avc)>0&&(u.pid=c),(v=_.audio)>0&&(h.pid=v,h.isAAC=_.isAAC),(p=_.id3)>0&&(d.pid=p),T&&!E&&(f.b.log("reparse from beginning"),T=!1,A=L-188),E=this.pmtParsed=!0;break;case 17:case 8191:break;default:T=!0}}else this.observer.emit(i.a.ERROR,i.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});u.pesData=g,h.pesData=m,d.pesData=y;var I={audioTrack:h,avcTrack:u,id3Track:d,textTrack:this._txtTrack};return this.extractRemainingSamples(I),I},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,n=t.id3Track,a=i.pesData,s=r.pesData,o=n.pesData;a&&(e=V(a))?(this.parseAVCPES(e,!0),i.pesData=null):i.pesData=a,s&&(e=V(s))?(r.isAAC?this.parseAACPES(e):this.parseMPEGPES(e),r.pesData=null):(null!=s&&s.size&&f.b.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=s),o&&(e=V(o))?(this.parseID3PES(e),n.pesData=null):n.pesData=o},e.demuxSampleAes=function(t,e,r){var i=this.demux(t,r,!0),n=this.sampleAes=new U(this.observer,this.config,e);return this.decrypt(i,n)},e.decrypt=function(t,e){return new Promise((function(r){var i=t.audioTrack,n=t.avcTrack;i.samples&&i.isAAC?e.decryptAacSamples(i.samples,0,(function(){n.samples?e.decryptAvcSamples(n.samples,0,0,(function(){r(t)})):r(t)})):n.samples&&e.decryptAvcSamples(n.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,n=this._avcTrack,a=this.parseAVCNALu(t.data),s=this.avcSample,l=!1;t.data=null,s&&a.length&&!n.audFound&&(W(s,n),s=this.avcSample=K(!1,t.pts,t.dts,"")),a.forEach((function(e){switch(e.type){case 1:r=!0,s||(s=i.avcSample=K(!0,t.pts,t.dts,"")),s.frame=!0;var a=e.data;if(l&&a.length>4){var u=new N(a).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(s.key=!0)}break;case 5:r=!0,s||(s=i.avcSample=K(!0,t.pts,t.dts,"")),s.key=!0,s.frame=!0;break;case 6:r=!0;var h=new N(q(e.data));h.readUByte();for(var d=0,c=0,f=!1,g=0;!f&&h.bytesAvailable>1;){d=0;do{d+=g=h.readUByte()}while(255===g);c=0;do{c+=g=h.readUByte()}while(255===g);if(4===d&&0!==h.bytesAvailable){if(f=!0,181===h.readUByte())if(49===h.readUShort())if(1195456820===h.readUInt())if(3===h.readUByte()){for(var v=h.readUByte(),p=31&v,m=[v,h.readUByte()],y=0;y16){for(var T=[],E=0;E<16;E++)T.push(h.readUByte().toString(16)),3!==E&&5!==E&&7!==E&&9!==E||T.push("-");for(var b=c-16,S=new Uint8Array(b),L=0;L=0){var d={data:t.subarray(u,l-a-1),type:h};o.push(d)}else{var c=this.getLastNalUnit();if(c&&(s&&l<=4-s&&c.state&&(c.data=c.data.subarray(0,c.data.byteLength-s)),(r=l-a-1)>0)){var f=new Uint8Array(c.data.byteLength+r);f.set(c.data,0),f.set(t.subarray(0,r),c.data.byteLength),c.data=f}}l=0&&a>=0){var g={data:t.subarray(u,i),type:h,state:a};o.push(g)}if(0===o.length){var v=this.getLastNalUnit();if(v){var p=new Uint8Array(v.data.byteLength+t.byteLength);p.set(v.data,0),p.set(t,v.data.byteLength),v.data=p}}return n.naluState=a,o},e.parseAACPES=function(t){var e,r,a,s,o=this._audioTrack,l=this.aacLastPTS,u=this.aacOverFlow,h=t.data;if(u){var d=new Uint8Array(u.byteLength+h.byteLength);d.set(u,0),d.set(h,u.byteLength),h=d}for(e=0,r=h.length;e1&&(f.b.log("[tsdemuxer]: AAC: align PTS for overlapping frames by "+Math.round((p-c)/90)),c=p)}for(var y=null;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&&(n=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&u?n-(a=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2)>54e5&&(f.b.warn(Math.round((n-a)/9e4)+"s delta between PTS and DTS, align them"),n=a):a=n);var h=(i=e[8])+9;if(t.size<=h)return null;t.size-=h;for(var d=new Uint8Array(t.size),c=0,g=o.length;cv){h-=v;continue}e=e.subarray(h),v-=h,h=0}d.set(e,s),s+=v}return r&&(r-=i+3),{data:d,pts:n,dts:a,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 n=r[i-1];t.pts=n.pts,t.dts=n.dts}e.samples.push(t)}t.debug.length&&f.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.pts0?this.lastEndDTS=p:(f.b.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var m=!!c.audio,y=!!c.video,T="";m&&(T+="audio"),y&&(T+="video");var E={data1:h,startPTS:v,startDTS:v,endPTS:p,endDTS:p,type:T,hasAudio:m,hasVideo:y,nb:1,dropped:0};return u.audio="audio"===E.type?E:void 0,u.video="audio"!==E.type?E:void 0,u.text=i,u.id3=r,u.initSegment=d,u},t}(),et=function(t,e,r){return Object(l.d)(t,e)-r};function rt(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===Z.a.VIDEO?"avc1.42e01e":"mp4a.40.5"}var it,nt=tt,at=r(12);try{it=self.performance.now.bind(self.performance)}catch(t){f.b.debug("Unable to use Performance API on this environment"),it=self.Date.now}var st=[{demux:X,remux:J.a},{demux:D,remux:nt},{demux:A,remux:J.a},{demux:$,remux:J.a}],ot=1024;st.forEach((function(t){var e=t.demux;ot=Math.max(ot,e.minProbeByteLength)}));var lt=function(){function t(t,e,r,i){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=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 at.a,this.observer=t,this.typeSupported=e,this.config=r,this.vendor=i}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 n=this,a=r.transmuxing;a.executeStart=it();var s=new Uint8Array(t),o=this.cache,u=this.config,h=this.currentTransmuxState,d=this.transmuxConfig;i&&(this.currentTransmuxState=i);var c=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(c&&"AES-128"===c.method){var f=this.getDecrypter();if(!u.enableSoftwareAES)return this.decryptionPromise=f.webCryptoDecrypt(s,c.key.buffer,c.iv.buffer).then((function(t){var e=n.push(t,null,r);return n.decryptionPromise=null,e})),this.decryptionPromise;var g=f.softwareDecrypt(s,c.key.buffer,c.iv.buffer);if(!g)return a.executeEnd=it(),ut(r);s=new Uint8Array(g)}var v=i||h,p=v.contiguous,m=v.discontinuity,y=v.trackSwitch,T=v.accurateTimeOffset,E=v.timeOffset,b=d.audioCodec,S=d.videoCodec,L=d.defaultInitPts,A=d.duration,R=d.initSegmentData;if((m||y)&&this.resetInitSegment(R,b,S,A),m&&this.resetInitialTimestamp(L),p||this.resetContiguity(),this.needsProbing(s,m,y)){if(o.dataLength){var D=o.flush();s=Object(l.a)(D,s)}this.configureTransmuxer(s,d)}var k=this.transmux(s,c,E,T,r),_=this.currentTransmuxState;return _.contiguous=!0,_.discontinuity=!1,_.trackSwitch=!1,a.executeEnd=it(),k},e.flush=function(t){var e=this,r=t.transmuxing;r.executeStart=it();var a=this.decrypter,s=this.cache,o=this.currentTransmuxState,l=this.decryptionPromise;if(l)return l.then((function(){return e.flush(t)}));var u=[],h=o.timeOffset;if(a){var d=a.flush();d&&u.push(this.push(d,null,t))}var c=s.dataLength;s.reset();var f=this.demuxer,g=this.remuxer;if(!f||!g)return c>=ot&&this.observer.emit(i.a.ERROR,i.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=it(),[ut(t)];var v=f.flush(h);return ht(v)?v.then((function(r){return e.flushRemux(u,r,t),u})):(this.flushRemux(u,v,t),u)},e.flushRemux=function(t,e,r){var i=e.audioTrack,n=e.avcTrack,a=e.id3Track,s=e.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;f.b.log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var h=this.remuxer.remux(i,n,a,s,u,l,!0);t.push({remuxResult:h,chunkMeta:r}),r.transmuxing.executeEnd=it()},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 n=this.demuxer,a=this.remuxer;n&&a&&(n.resetInitSegment(e,r,i),a.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,n){return e&&"SAMPLE-AES"===e.method?this.transmuxSampleAes(t,e,r,i,n):this.transmuxUnencrypted(t,r,i,n)},e.transmuxUnencrypted=function(t,e,r,i){var n=this.demuxer.demux(t,e,!1),a=n.audioTrack,s=n.avcTrack,o=n.id3Track,l=n.textTrack;return{remuxResult:this.remuxer.remux(a,s,o,l,e,r,!1),chunkMeta:i}},e.transmuxSampleAes=function(t,e,r,i,n){var a=this;return this.demuxer.demuxSampleAes(t,e,r).then((function(t){return{remuxResult:a.remuxer.remux(t.audioTrack,t.avcTrack,t.id3Track,t.textTrack,r,i,!1),chunkMeta:n}}))},e.configureTransmuxer=function(t,e){for(var r,i=this.config,n=this.observer,a=this.typeSupported,s=this.vendor,o=e.audioCodec,l=e.defaultInitPts,u=e.duration,h=e.initSegmentData,d=e.videoCodec,c=0,g=st.length;c>>8^255&p^99,t[f]=p,e[p]=f;var m=c[f],y=c[m],T=c[y],E=257*c[p]^16843008*p;i[f]=E<<24|E>>>8,n[f]=E<<16|E>>>16,a[f]=E<<8|E>>>24,s[f]=E,E=16843009*T^65537*y^257*m^16843008*f,l[p]=E<<24|E>>>8,u[p]=E<<16|E>>>16,h[p]=E<<8|E>>>24,d[p]=E,f?(f=m^c[c[c[T^m]]],g^=c[c[g]]):f=g=1}},e.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;i1?r-1:0),n=1;n>24&255,o[1]=e>>16&255,o[2]=e>>8&255,o[3]=255&e,o.set(t,4),a=0,e=8;a>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,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/(a+1)),n=Math.floor(r%(a+1)),s=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,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 t.box(t.types.mvhd,s)},t.sdtp=function(e){var r,i,n=e.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=t.box(t.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|e.sps.length].concat(a).concat([e.pps.length]).concat(s))),l=e.width,u=e.height,h=e.pixelRatio[0],d=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([h>>24,h>>16&255,h>>8&255,255&h,d>>24,d>>16&255,d>>8&255,255&d])))},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,n=e.width,s=e.height,o=Math.floor(i/(a+1)),l=Math.floor(i%(a+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,o>>24,o>>16&255,o>>8&255,255&o,l>>24,l>>16&255,l>>8&255,255&l,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,s>>8&255,255&s,0,0]))},t.traf=function(e,r){var i=t.sdtp(e),n=e.id,s=Math.floor(r/(a+1)),o=Math.floor(r%(a+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o])),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,n,a,s,o,l,u=e.samples||[],h=u.length,d=12+16*h,c=new Uint8Array(d);for(r+=8+d,c.set([0,0,15,1,h>>>24&255,h>>>16&255,h>>>8&255,255&h,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 t.box(t.types.trun,c)},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}();s.types=void 0,s.HDLR_TYPES=void 0,s.STTS=void 0,s.STSC=void 0,s.STCO=void 0,s.STSZ=void 0,s.VMHD=void 0,s.SMHD=void 0,s.STSD=void 0,s.FTYP=void 0,s.DINF=void 0;var o=s,l=r(0),u=r(2),h=r(1),d=r(7);function c(){return(c=Object.assign||function(t){for(var e=1;e0?t:r.pts}),t[0].pts);return e&&h.b.debug("PTS rollover detected"),r},e.remux=function(t,e,r,i,n,a,s){var o,l,u,d,c,f,g=n,v=n,p=t.pid>-1,y=e.pid>-1,T=t.samples.length>0,E=e.samples.length>1;if((!p||T)&&(!y||E)||this.ISGenerated||s){this.ISGenerated||(u=this.generateIS(t,e,n));var b=this.isVideoContiguous;if(E&&!b&&this.config.forceKeyFrameOnDiscontinuity){var S=e.samples.length,L=function(t){for(var e=0;e0){h.b.warn("[mp4-remuxer]: Dropped "+L+" out of "+S+" video samples due to a missing keyframe");var A=this.getVideoStartPts(e.samples);e.samples=e.samples.slice(L),e.dropped+=L,v+=(e.samples[0].pts-A)/(e.timescale||9e4)}else-1===L&&(h.b.warn("[mp4-remuxer]: No keyframe found out of "+S+" video samples"),f=!1)}if(this.ISGenerated){if(T&&E){var R=this.getVideoStartPts(e.samples),D=(m(t.samples[0].pts,R)-R)/e.inputTimeScale;g+=Math.max(0,D),v+=Math.max(0,-D)}if(T){if(t.samplerate||(h.b.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),delete(u=this.generateIS(t,e,n)).video),l=this.remuxAudio(t,g,this.isAudioContiguous,a,E?v:void 0),E){var k=l?l.endPTS-l.startPTS:0;e.inputTimeScale||(h.b.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),u=this.generateIS(t,e,n)),o=this.remuxVideo(e,v,b,k)}}else E&&(o=this.remuxVideo(e,v,b,0));o&&void 0!==f&&(o.independent=f)}}return this.ISGenerated&&(r.samples.length&&(c=this.remuxID3(r,n)),i.samples.length&&(d=this.remuxText(i,n))),{audio:l,video:o,initSegment:u,independent:f,text:d,id3:c}},e.generateIS=function(t,e,r){var n,a,s,l=t.samples,u=e.samples,h=this.typeSupported,d={},c=!Object(i.a)(this._initPTS),f="audio/mp4";if(c&&(n=a=1/0),t.config&&l.length&&(t.timescale=t.samplerate,t.isAAC||(h.mpeg?(f="audio/mpeg",t.codec=""):h.mp3&&(t.codec="mp3")),d.audio={id:"audio",container:f,codec:t.codec,initSegment:!t.isAAC&&h.mpeg?new Uint8Array(0):o.initSegment([t]),metadata:{channelCount:t.channelCount}},c&&(s=t.inputTimeScale,n=a=l[0].pts-Math.round(s*r))),e.sps&&e.pps&&u.length&&(e.timescale=e.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:e.codec,initSegment:o.initSegment([e]),metadata:{width:e.width,height:e.height}},c)){s=e.inputTimeScale;var g=this.getVideoStartPts(u),v=Math.round(s*r);a=Math.min(a,m(u[0].dts,g)-v),n=Math.min(n,g-v)}if(Object.keys(d).length)return this.ISGenerated=!0,c&&(this._initPTS=n,this._initDTS=a),{tracks:d,initPTS:n,timescale:s}},e.remuxVideo=function(t,e,r,i){var n,a,s,g=t.inputTimeScale,p=t.samples,T=[],E=p.length,b=this._initPTS,S=this.nextAvcDts,L=8,A=Number.POSITIVE_INFINITY,R=Number.NEGATIVE_INFINITY,D=0,k=!1;r&&null!==S||(S=e*g-(p[0].pts-m(p[0].dts,p[0].pts)));for(var _=0;_I.pts){D=Math.max(Math.min(D,I.pts-I.dts),-18e3)}I.dts0?_-1:_].dts&&(k=!0)}k&&p.sort((function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||i})),a=p[0].dts,s=p[p.length-1].dts;var C=Math.round((s-a)/(E-1));if(D<0){if(D<-2*C){h.b.warn("PTS < DTS detected in video samples, offsetting DTS from PTS by "+Object(d.b)(-C,!0)+" ms");for(var w=D,O=0;OC;if(M||P<-1){M?h.b.warn("AVC: "+Object(d.b)(P,!0)+" ms ("+P+"dts) hole between fragments detected, filling it"):h.b.warn("AVC: "+Object(d.b)(-P,!0)+" ms ("+P+"dts) overlapping between fragments detected"),a=S;var F=p[0].pts-P;p[0].dts=a,p[0].pts=F,h.b.log("Video: First PTS/DTS adjusted: "+Object(d.b)(F,!0)+"/"+Object(d.b)(a,!0)+", delta: "+Object(d.b)(P,!0)+" ms")}}v&&(a=Math.max(0,a));for(var N=0,U=0,B=0;B0?X-1:X].dts;if(it.stretchShortVideoTrack&&null!==this.nextAudioPts){var at=Math.floor(it.maxBufferHole*g),st=(i?A+i*g:this.nextAudioPts)-z.pts;st>at?((n=st-nt)<0&&(n=nt),h.b.log("[mp4-remuxer]: It is approximately "+st/90+" ms to the next segment; using duration "+n/90+" ms for the last video frame.")):n=nt}else n=nt}var ot=Math.round(z.pts-z.dts);T.push(new y(z.key,n,$,ot))}if(T.length&&f&&f<70){var lt=T[0].flags;lt.dependsOn=2,lt.isNonSync=0}this.nextAvcDts=S=s+n,this.isVideoContiguous=!0;var ut={data1:o.moof(t.sequenceNumber++,a,c({},t,{samples:T})),data2:W,startPTS:A/g,endPTS:(R+n)/g,startDTS:a/g,endDTS:S/g,type:"video",hasAudio:!1,hasVideo:!0,nb:T.length,dropped:t.dropped};return t.samples=[],t.dropped=0,ut},e.remuxAudio=function(t,e,r,i,a){var s,d=t.inputTimeScale,f=d/(t.samplerate?t.samplerate:d),g=t.isAAC?1024:1152,v=g*f,p=this._initPTS,T=!t.isAAC&&this.typeSupported.mpeg,E=[],b=t.samples,S=T?0:8,L=this.nextAudioPts||-1,A=e*d;if(this.isAudioContiguous=r=r||b.length&&L>0&&(i&&Math.abs(A-L)<9e3||Math.abs(m(b[0].pts-p,A)-L)<20*v),b.forEach((function(t){t.pts=t.dts=m(t.pts-p,A)})),!r||L<0){if(!(b=b.filter((function(t){return t.pts>=0}))).length)return;L=0===a?0:i?Math.max(0,A):b[0].pts}if(t.isAAC)for(var R=this.config.maxAudioFramesDrift,D=0,k=L;D0?(h.b.warn("[mp4-remuxer]: Dropping 1 audio frame @ "+(k/d).toFixed(3)+"s due to "+Math.round(w)+" ms overlap."),b.splice(D,1)):(h.b.warn("Audio frame @ "+(I/d).toFixed(3)+"s overlaps nextAudioPts by "+Math.round(1e3*C/d)+" ms."),k=I+v,D++);else if(C>=R*v&&w<1e4&&void 0!==a){var O=Math.floor(C/v);k=I-O*v,h.b.warn("[mp4-remuxer]: Injecting "+O+" audio frame @ "+(k/d).toFixed(3)+"s due to "+Math.round(1e3*C/d)+" ms gap.");for(var x=0;x0&&W<1e4)Y=Math.round((V-L)/v),h.b.log("[mp4-remuxer]: "+W+" ms hole between AAC samples detected,filling it"),Y>0&&((s=n.getSilentFrame(t.manifestCodec||t.codec,t.channelCount))||(s=H.subarray()),U+=Y*s.length);else if(W<-12){h.b.log("[mp4-remuxer]: drop overlapping AAC sample, expected/parsed/delta:"+(L/d).toFixed(3)+"s/"+(V/d).toFixed(3)+"s/"+-W+"ms"),U-=H.byteLength;continue}V=L}if(F=V,!(U>0))return;U+=S;try{M=new Uint8Array(U)}catch(t){return void this.observer.emit(l.a.ERROR,l.a.ERROR,{type:u.b.MUX_ERROR,details:u.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:U,reason:"fail allocating audio mdat "+U})}T||(new DataView(M.buffer).setUint32(0,U),M.set(o.types.mdat,4));for(var q=0;q4294967296;)t+=r;return t}var y=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 T(t)},T=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}},function(t,e,r){"use strict";r.d(e,"a",(function(){return a}));var i=r(10);function n(t,e){for(var r=0;r0}),!1)}t.exports=function(t,e){e=e||{};var n={main:r.m},o=e.all?{main:Object.keys(n.main)}:function(t,e){for(var r={main:[e]},i={main:[]},n={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 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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=f.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(g.lastIndex=0;null!==(e=g.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,T,E=/#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,S=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/(?!#) *(\S[\S ]*)/.source,/#EXT-X-BYTERANGE:*(.+)/.source,/#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/#.*/.source].join("|"),"g"),L=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("|")),A=/\.(mp4|m4s|m4v|m4a)$/i,R=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,n=[],a={},s=!1;for(E.lastIndex=0;null!=(i=E.exec(e));)if(i[1]){var o=new v(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),D((o.CODECS||"").split(/[ ,]+/).filter((function(t){return t})),l),l.videoCodec&&-1!==l.videoCodec.indexOf("avc1")&&(l.videoCodec=t.convertAVC1ToAVCOTI(l.videoCodec)),n.push(l)}else if(i[3]){var h=new v(i[3]);h["DATA-ID"]&&(s=!0,a[h["DATA-ID"]]=h)}return{levels:n,sessionData:s?a:null}},t.parseMasterPlaylistMedia=function(e,r,i,n){var a;void 0===n&&(n=[]);var s=[],o=0;for(b.lastIndex=0;null!==(a=b.exec(e));){var l=new v(a[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(n.length){var h=t.findGroup(n,u.groupId)||n[0];k(u,h,"audioCodec"),k(u,h,"textCodec")}s.push(u)}}return s},t.parseLevelPlaylist=function(t,e,r,i,n){var s,l,h,f=new d(e),g=f.fragments,p=0,m=0,y=0,T=0,E=null,b=new u.b(i,e),R=-1;for(S.lastIndex=0,f.m3u8=t;null!==(s=S.exec(t));){var D=s[1];if(D){b.duration=parseFloat(D);var k=(" "+s[2]).slice(1);b.title=k||null,b.tagList.push(k?["INF",D,k]:["INF",D])}else if(s[3])Object(a.a)(b.duration)&&(b.start=y,h&&(b.levelkey=h),b.sn=p,b.level=r,b.cc=T,b.urlId=n,g.push(b),b.relurl=(" "+s[3]).slice(1),_(b,E),E=b,y+=b.duration,p++,m=0,(b=new u.b(i,e)).start=y,b.sn=p,b.cc=T,b.level=r);else if(s[4]){var I=(" "+s[4]).slice(1);E?b.setByteRange(I,E):b.setByteRange(I)}else if(s[5])b.rawProgramDateTime=(" "+s[5]).slice(1),b.tagList.push(["PROGRAM-DATE-TIME",b.rawProgramDateTime]),-1===R&&(R=g.length);else{if(!(s=s[0].match(L))){o.b.warn("No matches on slow regex match for level playlist!");continue}for(l=1;l-1){o.b.warn("Keyformat "+V+" is not supported from the manifest");continue}if("identity"!==V)continue;B&&(h=c.a.fromURL(e,G),G&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(B)>=0&&(h.method=B,h.keyFormat=V,H&&(h.keyID=H),j&&(h.keyFormatVersions=j),h.iv=K));break;case"START":var W=new v(w).decimalFloatingPoint("TIME-OFFSET");Object(a.a)(W)&&(f.startTimeOffset=W);break;case"MAP":var Y=new v(w);b.relurl=Y.URI,Y.BYTERANGE&&b.setByteRange(Y.BYTERANGE),b.level=r,b.sn="initSegment",h&&(b.levelkey=h),f.initSegment=b,(b=new u.b(i,e)).rawProgramDateTime=f.initSegment.rawProgramDateTime;break;case"SERVER-CONTROL":var q=new v(w);f.canBlockReload=q.bool("CAN-BLOCK-RELOAD"),f.canSkipUntil=q.optionalFloat("CAN-SKIP-UNTIL",0),f.canSkipDateRanges=f.canSkipUntil>0&&q.bool("CAN-SKIP-DATERANGES"),f.partHoldBack=q.optionalFloat("PART-HOLD-BACK",0),f.holdBack=q.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var X=new v(w);f.partTarget=X.decimalFloatingPoint("PART-TARGET");break;case"PART":var z=f.partList;z||(z=f.partList=[]);var Q=m>0?z[z.length-1]:void 0,$=m++,J=new u.c(new v(w),b,e,$,Q);z.push(J),b.duration+=J.duration;break;case"PRELOAD-HINT":var Z=new v(w);f.preloadHint=Z;break;case"RENDITION-REPORT":var tt=new v(w);f.renditionReports=f.renditionReports||[],f.renditionReports.push(tt);break;default:o.b.warn("line parsed but not handled: "+s)}}}E&&!E.relurl?(g.pop(),y-=E.duration,f.partList&&(f.fragmentHint=E)):f.partList&&(_(b,E),b.cc=T,f.fragmentHint=b);var et=g.length,rt=g[0],it=g[et-1];if((y+=f.skippedSegments*f.targetduration)>0&&et&&it){f.averagetargetduration=y/et;var nt=it.sn;f.endSN="initSegment"!==nt?nt:0,rt&&(f.startCC=rt.cc,f.initSegment||f.fragments.every((function(t){return A.test(t.relurl)}))&&(o.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(b=new u.b(i,e)).relurl=it.relurl,b.level=r,b.sn="initSegment",f.initSegment=b,f.needSidxRanges=!0))}else f.endSN=0,f.startCC=0;return f.fragmentHint&&(y+=f.fragmentHint.duration),f.totalduration=y,f.endCC=T,R>0&&function(t,e){for(var r=t[e],i=e;i--;){var n=t[i];if(!n)return;n.programDateTime=r.programDateTime-1e3*n.duration,r=n}}(g,R),f},t}();function D(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 n=i.filter((function(t){return 0===t.lastIndexOf("avc1",0)||0===t.lastIndexOf("mp4a",0)}));e[r+"Codec"]=n.length>0?n[0]:i[0],t=t.filter((function(t){return-1===i.indexOf(t)}))}})),e.unknownCodecs=t}function k(t,e,r){var i=e[r];i&&(t[r]=i)}function _(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)}function I(t,e){var r=t.url;return void 0!==r&&0!==r.indexOf("data:")||(r=e.url),r}!function(t){t.MANIFEST="manifest",t.LEVEL="level",t.AUDIO_TRACK="audioTrack",t.SUBTITLE_TRACK="subtitleTrack"}(y||(y={})),function(t){t.MAIN="main",t.AUDIO="audio",t.SUBTITLE="subtitle"}(T||(T={}));var C,w=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(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(s.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.on(s.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.unregisterListeners=function(){var t=this.hls;t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.off(s.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.off(s.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.createInternalLoader=function(t){var e=this.hls.config,r=e.pLoader,i=e.loader,n=new(r||i)(e);return t.loader=n,this.loaders[t.type]=n,n},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:y.MANIFEST,url:r,deliveryDirectives:null})},e.onLevelLoading=function(t,e){var r=e.id,i=e.level,n=e.url,a=e.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:y.LEVEL,url:n,deliveryDirectives:a})},e.onAudioTrackLoading=function(t,e){var r=e.id,i=e.groupId,n=e.url,a=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:y.AUDIO_TRACK,url:n,deliveryDirectives:a})},e.onSubtitleTrackLoading=function(t,e){var r=e.id,i=e.groupId,n=e.url,a=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:y.SUBTITLE_TRACK,url:n,deliveryDirectives:a})},e.load=function(t){var e,r,i,n,a,s,l=this.hls.config,u=this.getInternalLoader(t);if(u){var h=u.context;if(h&&h.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 y.MANIFEST:r=l.manifestLoadingMaxRetry,i=l.manifestLoadingTimeOut,n=l.manifestLoadingRetryDelay,a=l.manifestLoadingMaxRetryTimeout;break;case y.LEVEL:case y.AUDIO_TRACK:case y.SUBTITLE_TRACK:r=0,i=l.levelLoadingTimeOut;break;default:r=l.levelLoadingMaxRetry,i=l.levelLoadingTimeOut,n=l.levelLoadingRetryDelay,a=l.levelLoadingMaxRetryTimeout}if((u=this.createInternalLoader(t),null!==(e=t.deliveryDirectives)&&void 0!==e&&e.part)&&(t.type===y.LEVEL&&null!==t.level?s=this.hls.levels[t.level].details:t.type===y.AUDIO_TRACK&&null!==t.id?s=this.hls.audioTracks[t.id].details:t.type===y.SUBTITLE_TRACK&&null!==t.id&&(s=this.hls.subtitleTracks[t.id].details),s)){var d=s.partTarget,c=s.targetduration;d&&c&&(i=Math.min(1e3*Math.max(3*d,.8*c),i))}var f={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:a,highWaterMark:0},g={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(t,f,g)},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 n=t.data;0===n.indexOf("#EXTM3U")?(e.parsing.start=performance.now(),n.indexOf("#EXTINF:")>0||n.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 n=this.hls,a=t.data,l=I(t,r),u=R.parseMasterPlaylist(a,l),h=u.levels,d=u.sessionData;if(h.length){var c=h.map((function(t){return{id:t.attrs.AUDIO,audioCodec:t.audioCodec}})),f=h.map((function(t){return{id:t.attrs.SUBTITLES,textCodec:t.textCodec}})),g=R.parseMasterPlaylistMedia(a,l,"AUDIO",c),p=R.parseMasterPlaylistMedia(a,l,"SUBTITLES",f),m=R.parseMasterPlaylistMedia(a,l,"CLOSED-CAPTIONS");if(g.length)g.some((function(t){return!t.url}))||!h[0].audioCodec||h[0].attrs.AUDIO||(o.b.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 v({}),bitrate:0,url:""}));n.trigger(s.a.MANIFEST_LOADED,{levels:h,audioTracks:g,subtitles:p,captions:m,url:l,stats:e,networkDetails:i,sessionData:d})}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,h=r.type,d=I(t,r),c=Object(a.a)(l)?l:0,f=Object(a.a)(u)?u:c,g=function(t){switch(t.type){case y.AUDIO_TRACK:return T.AUDIO;case y.SUBTITLE_TRACK:return T.SUBTITLE;default:return T.MAIN}}(r),p=R.parseLevelPlaylist(t.data,d,f,g,c);if(p.fragments.length){if(h===y.MANIFEST){var m={attrs:new v({}),bitrate:0,details:p,name:"",url:d};o.trigger(s.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:d,stats:e,networkDetails:i,sessionData:null})}if(e.parsing.end=performance.now(),p.needSidxRanges){var E=p.initSegment.url;this.load({url:E,isSidxRequest:!0,type:h,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(s.a.ERROR,{type:n.b.NETWORK_ERROR,details:n.a.LEVEL_EMPTY_ERROR,fatal:!1,url:d,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,n=e.levelDetails;i.forEach((function(t,e){var r=t.info,i=n.fragments[e];0===i.byteRange.length&&i.setByteRange(String(1+r.end-r.start)+"@"+String(r.start))})),n.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}},e.handleManifestParsingError=function(t,e,r,i){this.hls.trigger(s.a.ERROR,{type:n.b.NETWORK_ERROR,details:n.a.MANIFEST_PARSING_ERROR,fatal:e.type===y.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=n.a.UNKNOWN,l=!1,u=this.getInternalLoader(t);switch(t.type){case y.MANIFEST:a=r?n.a.MANIFEST_LOAD_TIMEOUT:n.a.MANIFEST_LOAD_ERROR,l=!0;break;case y.LEVEL:a=r?n.a.LEVEL_LOAD_TIMEOUT:n.a.LEVEL_LOAD_ERROR,l=!1;break;case y.AUDIO_TRACK:a=r?n.a.AUDIO_TRACK_LOAD_TIMEOUT:n.a.AUDIO_TRACK_LOAD_ERROR,l=!1;break;case y.SUBTITLE_TRACK:a=r?n.a.SUBTITLE_TRACK_LOAD_TIMEOUT:n.a.SUBTITLE_LOAD_ERROR,l=!1}u&&this.resetInternalLoader(t.type);var h={type:n.b.NETWORK_ERROR,details:a,fatal:l,url:t.url,loader:u,context:t,networkDetails:e};i&&(h.response=i),this.hls.trigger(s.a.ERROR,h)},e.handlePlaylistLoaded=function(t,e,r,i){var n=r.type,a=r.level,o=r.id,l=r.groupId,u=r.loader,h=r.levelDetails,d=r.deliveryDirectives;if(null!=h&&h.targetduration){if(u){if(h.live){var c=u.getResponseHeader("age");h.ageHeader=c?parseFloat(c):0}switch(n){case y.MANIFEST:case y.LEVEL:this.hls.trigger(s.a.LEVEL_LOADED,{details:h,level:a||0,id:o||0,stats:e,networkDetails:i,deliveryDirectives:d});break;case y.AUDIO_TRACK:this.hls.trigger(s.a.AUDIO_TRACK_LOADED,{details:h,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:d});break;case y.SUBTITLE_TRACK:this.hls.trigger(s.a.SUBTITLE_TRACK_LOADED,{details:h,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:d})}}}else this.handleManifestParsingError(t,r,"invalid target duration",i)},t}(),O=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(s.a.KEY_LOADING,this.onKeyLoading,this)},e._unregisterListeners=function(){this.hls.off(s.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,n=this.loaders[i];if(r.decryptdata){var a=r.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var l=this.hls.config;if(n&&(o.b.warn("abort previous key loader for type:"+i),n.abort()),!a)return void o.b.warn("key uri is falsy");var u=l.loader,h=r.loader=this.loaders[i]=new u(l);this.decrypturl=a,this.decryptkey=null;var d={url:a,frag:r,responseType:"arraybuffer"},c={timeout:l.fragLoadingTimeOut,maxRetry:0,retryDelay:l.fragLoadingRetryDelay,maxRetryDelay:l.fragLoadingMaxRetryTimeout,highWaterMark:0},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};h.load(d,c,f)}else this.decryptkey&&(r.decryptdata.key=this.decryptkey,this.hls.trigger(s.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(s.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(s.a.ERROR,{type:n.b.NETWORK_ERROR,details:n.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(s.a.ERROR,{type:n.b.NETWORK_ERROR,details:n.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},t}();!function(t){t.NOT_LOADED="NOT_LOADED",t.BACKTRACKED="BACKTRACKED",t.APPENDING="APPENDING",t.PARTIAL="PARTIAL",t.OK="OK"}(C||(C={}));var x=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(s.a.BUFFER_APPENDED,this.onBufferAppended,this),t.on(s.a.FRAG_BUFFERED,this.onFragBuffered,this),t.on(s.a.FRAG_LOADED,this.onFragLoaded,this)},e._unregisterListeners=function(){var t=this.hls;t.off(s.a.BUFFER_APPENDED,this.onBufferAppended,this),t.off(s.a.FRAG_BUFFERED,this.onFragBuffered,this),t.off(s.a.FRAG_LOADED,this.onFragLoaded,this)},e.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},e.getAppendedFrag=function(t,e){if(e===T.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<=t&&void 0!==s&&t<=s)return n>9&&(this.activeParts=i.slice(n-9)),a}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),n=i.length;n--;){var a=r[i[n]];if((null==a?void 0:a.body.type)===e&&a.buffered){var s=a.body;if(s.start<=t&&t<=s.end)return s}}return null},e.detectEvictedFragments=function(t,e){var r=this;Object.keys(this.fragments).forEach((function(i){var n=r.fragments[i];if(n&&n.buffered){var a=n.range[t];a&&a.time.some((function(t){var i=!r.isTimeBuffered(t.startPTS,t.endPTS,e);return i&&r.removeFragment(n.body),i}))}}))},e.detectPartialFragments=function(t){var e=this,r=this.timeRanges,i=t.frag,n=t.part;if(r&&"initSegment"!==i.sn){var a=M(i),s=this.fragments[a];s&&(Object.keys(r).forEach((function(t){var a=i.elementaryStreams[t];if(a){var o=r[t],l=null!==n||!0===a.partial;s.range[t]=e.getBufferedTimes(i,n,l,o)}})),s.backtrack=s.loaded=null,Object.keys(s.range).length?s.buffered=!0:this.removeFragment(s.body))}},e.getBufferedTimes=function(t,e,r,i){for(var n={time:[],partial:r},a=e?e.start:t.start,s=e?e.end:t.end,o=t.minEndPTS||s,l=t.maxStartPTS||a,u=0;u=h&&o<=d){n.time.push({startPTS:Math.max(a,i.start(u)),endPTS:Math.min(s,i.end(u))});break}if(ah)n.partial=!0,n.time.push({startPTS:Math.max(a,i.start(u)),endPTS:Math.min(s,i.end(u))});else if(s<=h)break}return n},e.getPartialFragment=function(t){var e,r,i,n=null,a=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&P(u)&&(r=u.body.start-s,i=u.body.end+s,t>=r&&t<=i&&(e=Math.min(t-r,i-t),a<=e&&(n=u.body,a=e)))})),n},e.getState=function(t){var e=M(t),r=this.fragments[e];return r?r.buffered?P(r)?C.PARTIAL:C.OK:r.backtrack?C.BACKTRACKED:C.APPENDING:C.NOT_LOADED},e.backtrack=function(t,e){var r=M(t),i=this.fragments[r];if(!i||i.backtrack)return null;var n=i.backtrack=e||i.loaded;return i.loaded=null,n},e.getBacktrackData=function(t){var e=M(t),r=this.fragments[e];if(r){var i,n=r.backtrack;if(null!=n&&null!==(i=n.payload)&&void 0!==i&&i.byteLength)return n;this.removeFragment(t)}return null},e.isTimeBuffered=function(t,e,r){for(var i,n,a=0;a=i&&e<=n)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 n=M(r);this.fragments[n]={body:r,loaded:e,backtrack:null,buffered:!1,range:Object.create(null)}}},e.onBufferAppended=function(t,e){var r=this,i=e.frag,n=e.part,a=e.timeRanges;if(i.type===T.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(t){var e=a[t];if(r.detectEvictedFragments(t,e),!n)for(var s=0;s1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},e.doTick=function(){},t}(),N={length:0,start:function(){return 0},end:function(){return 0}},U=function(){function t(){}return t.isBuffered=function(e,r){try{if(e)for(var i=t.getBuffered(e),n=0;n=i.start(n)&&r<=i.end(n))return!0}catch(t){}return!1},t.bufferInfo=function(e,r,i){try{if(e){var n,a=t.getBuffered(e),s=[];for(n=0;ns&&(i[a-1].end=t[n].end):i.push(t[n])}else i.push(t[n])}else i=t;for(var o,l=0,u=e,h=e,d=0;d=c&&et.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 j(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,h=e.startPTS,d=e.endPTS;if(Object(a.a)(h)){var c=Math.abs(h-r);Object(a.a)(e.deltaPTS)?e.deltaPTS=Math.max(c,e.deltaPTS):e.deltaPTS=c,l=Math.max(r,h),r=Math.min(r,h),n=Math.min(n,e.startDTS),u=Math.min(i,d),i=Math.max(i,d),s=Math.max(s,e.endDTS)}e.duration=i-r;var f=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 g,v=e.sn;if(!t||vt.endSN)return 0;var p=v-t.startSN,m=t.fragments;for(m[p]=e,g=p;g>0;g--)K(m[g],m[g-1]);for(g=p;g=i.length)){var a=i[r].start;if(a){for(var s=e.skippedSegments;sr.startCC||t&&t.cc0)r=n+1;else{if(!(s<0))return a;i=n-1}}return null}};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;it&&r.start?-1:0}function tt(t,e,r){var i=1e3*Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>t}function et(t){var e="function"==typeof Map?new Map:void 0;return(et=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 rt(t,arguments,at(this).constructor)}return i.prototype=Object.create(t.prototype,{constructor:{value:i,enumerable:!1,writable:!0,configurable:!0}}),nt(i,t)})(t)}function rt(t,e,r){return(rt=it()?Reflect.construct:function(t,e,r){var i=[null];i.push.apply(i,e);var n=new(Function.bind.apply(t,i));return r&&nt(n,r.prototype),n}).apply(null,arguments)}function it(){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 nt(t,e){return(nt=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function at(t){return(at=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var st=Math.pow(2,17),ot=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 ut({type:n.b.NETWORK_ERROR,details:n.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,s=a.fLoader,o=a.loader;return new Promise((function(i,l){r.loader&&r.loader.destroy();var u=r.loader=t.loader=s?new s(a):new o(a),h=lt(t),d={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:st};t.stats=u.stats,u.load(h,d,{onSuccess:function(e,n,a,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 ut({type:n.b.NETWORK_ERROR,details:n.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,response:e,networkDetails:a}))},onAbort:function(e,i,a){r.resetLoader(t,u),l(new ut({type:n.b.NETWORK_ERROR,details:n.a.INTERNAL_ABORTED,fatal:!1,frag:t,networkDetails:a}))},onTimeout:function(e,i,a){r.resetLoader(t,u),l(new ut({type:n.b.NETWORK_ERROR,details:n.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,networkDetails:a}))},onProgress:function(r,i,n,a){e&&e({frag:t,part:null,payload:n,networkDetails:a})}})}))},e.loadPart=function(t,e,r){var i=this;this.abort();var a=this.config,s=a.fLoader,o=a.loader;return new Promise((function(l,u){i.loader&&i.loader.destroy();var h=i.loader=t.loader=s?new s(a):new o(a),d=lt(t,e),c={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:st};e.stats=h.stats,h.load(d,c,{onSuccess:function(n,a,s,o){i.resetLoader(t,h),i.updateStatsFromPart(t,e);var u={frag:t,part:e,payload:n.data,networkDetails:o};r(u),l(u)},onError:function(r,a,s){i.resetLoader(t,h),u(new ut({type:n.b.NETWORK_ERROR,details:n.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,part:e,response:r,networkDetails:s}))},onAbort:function(r,a,s){t.stats.aborted=e.stats.aborted,i.resetLoader(t,h),u(new ut({type:n.b.NETWORK_ERROR,details:n.a.INTERNAL_ABORTED,fatal:!1,frag:t,part:e,networkDetails:s}))},onTimeout:function(r,a,s){i.resetLoader(t,h),u(new ut({type:n.b.NETWORK_ERROR,details:n.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,part:e,networkDetails:s}))}})}))},e.updateStatsFromPart=function(t,e){var r=t.stats,i=e.stats,n=i.total;if(r.loaded+=i.loaded,n){var a=Math.round(t.duration/e.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},e.resetLoader=function(t,e){t.loader=null,this.loader===e&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),e.destroy()},t}();function lt(t,e){void 0===e&&(e=null);var r=e||t,i={frag:t,part:e,responseType:"arraybuffer",url:r.url,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 ut=function(t){var e,r;function i(e){for(var r,i=arguments.length,n=new Array(i>1?i-1:0),a=1;ah)&&(e.loader&&(this.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),e.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=vt)}r&&(this.lastCurrentTime=s),this.loadedmetadata||o.len||(this.nextLoadPosition=this.startPosition=s),this.tick()},c.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},c.onKeyLoaded=function(t,e){if(this.state===pt&&this.levels){this.state=vt;var r=this.levels[e.frag.level].details;r&&this.loadFragment(e.frag,r,e.frag.start)}},c.onHandlerDestroying=function(){this.stopLoad(),t.prototype.onHandlerDestroying.call(this)},c.onHandlerDestroyed=function(){this.state=gt,this.hls.off(s.a.KEY_LOADED,this.onKeyLoaded,this),this.fragmentLoader&&this.fragmentLoader.destroy(),this.decrypter&&this.decrypter.destroy(),this.hls=this.log=this.warn=this.decrypter=this.fragmentLoader=this.fragmentTracker=null,t.prototype.onHandlerDestroyed.call(this)},c.loadFragment=function(t,e,r){this._loadFragForPlayback(t,e,r)},c._loadFragForPlayback=function(t,e,r){var i=this;this._doFragLoad(t,e,r,(function(e){if(i.fragContextChanged(t))return i.warn("Fragment "+t.sn+(e.part?" p: "+e.part.index:"")+" of level "+t.level+" was dropped during download."),void i.fragmentTracker.removeFragment(t);t.stats.chunkCount++,i._handleFragmentLoadProgress(e)})).then((function(e){if(e){i.fragLoadError=0;var r=i.state;if(!i.fragContextChanged(t))return"payload"in e&&(i.log("Loaded fragment "+t.sn+" of level "+t.level),i.hls.trigger(s.a.FRAG_LOADED,e),i.state===St)?(i.fragmentTracker.backtrack(t,e),void i.resetFragmentLoading(t)):void i._handleFragmentLoadComplete(e);(r===mt||r===St||!i.fragCurrent&&r===Et)&&(i.fragmentTracker.removeFragment(t),i.state=vt)}})).catch((function(e){i.warn(e),i.resetFragmentLoading(t)}))},c.flushMainBuffer=function(t,e,r){void 0===r&&(r=null);var i={startOffset:t,endOffset:e,type:r};this.fragLoadError=0,this.hls.trigger(s.a.BUFFER_FLUSHING,i)},c._loadInitSegment=function(t){var e=this;this._doFragLoad(t).then((function(r){if(!r||e.fragContextChanged(t)||!e.levels)throw new Error("init load aborted");return r})).then((function(r){var i=e.hls,n=r.payload,a=t.decryptdata;if(n&&n.byteLength>0&&a&&a.key&&a.iv&&"AES-128"===a.method){var o=self.performance.now();return e.decrypter.webCryptoDecrypt(new Uint8Array(n),a.key.buffer,a.iv.buffer).then((function(e){var n=self.performance.now();return i.trigger(s.a.FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:o,tdecrypt:n}}),r.payload=e,r}))}return r})).then((function(r){var i=e.fragCurrent,n=e.hls,a=e.levels;if(!a)throw new Error("init load aborted, missing levels");var o=a[t.level].details.initSegment,l=t.stats;e.state=vt,e.fragLoadError=0,o.data=new Uint8Array(r.payload),l.parsing.start=l.buffering.start=self.performance.now(),l.parsing.end=l.buffering.end=self.performance.now(),r.frag===i&&n.trigger(s.a.FRAG_BUFFERED,{stats:l,frag:i,part:null,id:t.type}),e.tick()})).catch((function(r){e.warn(r),e.resetFragmentLoading(t)}))},c.fragContextChanged=function(t){var e=this.fragCurrent;return!t||!e||t.level!==e.level||t.sn!==e.sn||t.urlId!==e.urlId},c.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+" "+dt.toString(U.getBuffered(r))),this.state=vt,this.tick()},c._handleFragmentLoadComplete=function(t){var e=this.transmuxer;if(e){var r=t.frag,i=t.part,n=t.partsLoaded,a=!n||0===n.length||n.some((function(t){return!t})),s=new W(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!a);e.flush(s)}},c._handleFragmentLoadProgress=function(t){},c._doFragLoad=function(t,e,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(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=mt,this.hls.trigger(s.a.FRAG_LOADING,{frag:t,part:o[l],targetBufferTime:r}),this.doFragPartsLoad(t,o,l,i).catch((function(t){return n.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=mt,this.hls.trigger(s.a.FRAG_LOADING,{frag:t,targetBufferTime:r}),this.fragmentLoader.load(t,i).catch((function(t){return n.handleFragLoadError(t)}))},c.doFragPartsLoad=function(t,e,r,i){var n=this;return new Promise((function(a,o){var l=[];!function r(u){var h=e[u];n.fragmentLoader.loadPart(t,h,i).then((function(i){l[h.index]=i;var o=i.part;n.hls.trigger(s.a.FRAG_LOADED,i);var d=e[u+1];if(!d||d.fragment!==t)return a({frag:t,part:o,partsLoaded:l});r(u+1)})).catch(o)}(r)}))},c.handleFragLoadError=function(t){var e=t.data;return e&&e.details===n.a.INTERNAL_ABORTED?this.handleFragLoadAborted(e.frag,e.part):this.hls.trigger(s.a.ERROR,e),null},c._handleTransmuxerFlush=function(t){var e=this.getCurrentContext(t);if(e&&this.state===Et){var r=e.frag,i=e.part,n=e.level,a=self.performance.now();r.stats.parsing.end=a,i&&(i.stats.parsing.end=a),this.updateLevelTiming(r,i,n,t.partial)}else this.fragCurrent||(this.state=vt)},c.getCurrentContext=function(t){var e=this.levels,r=t.level,i=t.sn,n=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 a=e[r],s=n>-1?function(t,e,r){if(!t||!t.details)return null;var i=t.details.partList;if(i)for(var n=i.length;n--;){var a=i[n];if(a.index===r&&a.fragment.sn===e)return a}return null}(a,i,n):null,o=s?s.fragment:function(t,e){if(!t||!t.details)return null;var r=t.details,i=r.fragments[e-r.startSN];return i||((i=r.fragmentHint)&&i.sn===e?i:null)}(a,i);return o?{frag:o,part:s,level:a}:null},c.bufferFragmentData=function(t,e,r,i){if(t&&this.state===Et){var n=t.data1,a=t.data2,o=n;if(n&&a&&(o=Object(l.a)(n,a)),o&&o.length){var u={type:t.type,frag:e,part:r,chunkMeta:i,parent:e.type,data:o};this.hls.trigger(s.a.BUFFER_APPENDING,u),t.dropped&&t.independent&&!r&&this.flushBufferGap(e)}}},c.flushBufferGap=function(t){var e=this.media;if(e)if(U.isBuffered(e,e.currentTime)){var r=e.currentTime,i=U.bufferInfo(e,r,0),n=t.duration,a=Math.min(2*this.config.maxFragLookUpTolerance,.25*n),s=Math.max(Math.min(t.start-a,i.end-a),r+a);t.start-s>a&&this.flushMainBuffer(s,t.start)}else this.flushMainBuffer(0,t.start)},c.reduceMaxBufferLength=function(t){var e=this.config,r=t||e.maxBufferLength;return e.maxMaxBufferLength>=r&&(e.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},c.getNextFragment=function(t,e){var r=e.fragments,i=r.length;if(!i)return null;var n,a=this.config,s=r[0].start;if(!e.initSegment||e.initSegment.data||this.bitrateTest)if(e.live){var o=a.initialLiveManifestSize;if(i-1&&rr.start&&r.loaded},c.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=$(e,r.endProgramDateTime,this.config.maxFragLookUpTolerance)),!i){var n=r.sn+1;if(n>=t.startSN&&n<=t.endSN){var a=e[n-t.startSN];r.cc===a.cc&&(i=a,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=function(t,e){return Q.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 s=this.hls.liveSyncPosition;null!==s&&(i=this.getFragmentAtPosition(s,this.bitrateTest?t.fragmentEnd:t.edge,t))}return i},c.getFragmentAtPosition=function(t,e,r){var i,n=this.config,a=this.fragPrevious,s=r.fragments,o=r.endSN,l=r.fragmentHint,u=n.maxFragLookUpTolerance,h=!!(n.lowLatencyMode&&r.partList&&l);(h&&l&&!this.bitrateTest&&(s=s.concat(l),o=l.sn),te-u?0:u):i=s[s.length-1];if(i){var d=i.sn-r.startSN,c=a&&i.level===a.level,f=s[d+1];if(this.fragmentTracker.getState(i)===C.BACKTRACKED){i=null;for(var g=d;s[g]&&this.fragmentTracker.getState(s[g])===C.BACKTRACKED;)i=a?s[g--]:s[--g];i||(i=f)}else a&&i.sn===a.sn&&!h&&c&&(i.sni&&(ns)){var o=void 0!==e.liveMaxLatencyDuration?e.liveMaxLatencyDuration:e.liveMaxLatencyDurationCount*t.targetduration;(r.readyState<4||n0?(s=t.fragments[0].start,t.alignedSliding&&Object(a.a)(s)?this.log("Live playlist sliding:"+s.toFixed(3)):s||(this.warn("["+this.constructor.name+"] Live playlist - outdated PTS, unknown sliding"),X(this.fragPrevious,n,t))):(this.log("Live playlist - first load, unknown sliding"),X(this.fragPrevious,n,t)),s},c.waitForCdnTuneIn=function(t){return t.live&&t.canBlockReload&&t.tuneInGoal>Math.max(t.partHoldBack,3*t.partTarget)},c.setStartPosition=function(t,e){if(-1===this.startPosition||-1===this.lastCurrentTime){var r=t.startTimeOffset;Object(a.a)(r)?(r<0&&(this.log("Negative start time offset "+r+", count from end of last fragment"),r=e+t.totalduration+r),this.log("Start time offset found in playlist, adjust startPosition to "+r),this.startPosition=r):t.live?(this.startPosition=this.hls.liveSyncPosition||e,this.log("Configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition},c.getLoadPosition=function(){var t=this.media,e=0;return this.loadedmetadata?e=t.currentTime:this.nextLoadPosition&&(e=this.nextLoadPosition),e},c.handleFragLoadAborted=function(t,e){this.transmuxer&&"initSegment"!==t.sn&&(this.warn("Fragment "+t.sn+(e?" part"+e.index:"")+" of level "+t.level+" was aborted"),this.resetFragmentLoading(t))},c.resetFragmentLoading=function(t){this.fragCurrent&&this.fragContextChanged(t)||(this.state=vt)},c.onFragmentOrKeyLoadError=function(t,e){if(!e.fatal){var r=e.frag;if(r&&r.type===t){this.fragCurrent;var i=this.config;if(this.fragLoadError+1<=i.fragLoadingMaxRetry){if(this.resetLiveStartWhenNotLoaded(r.level))return;var n=Math.min(Math.pow(2,this.fragLoadError)*i.fragLoadingRetryDelay,i.fragLoadingMaxRetryTimeout);this.warn("Fragment "+r.sn+" of "+t+" "+r.level+" failed to load, retrying in "+n+"ms"),this.retryDate=self.performance.now()+n,this.fragLoadError++,this.state=yt}else e.levelRetry?(t===T.AUDIO&&(this.fragCurrent=null),this.fragLoadError=0,this.state=vt):(o.b.error(e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.hls.stopLoad(),this.state=At)}}},c.afterBufferFlushed=function(t,e){if(t){var r=U.getBuffered(t);this.fragmentTracker.detectEvictedFragments(e,r)}},c.resetLiveStartWhenNotLoaded=function(t){if(!this.loadedmetadata){this.startFragRequested=!1;var e=this.levels?this.levels[t].details:null;if(null!=e&&e.live)return this.startPosition=-1,this.setStartPosition(e,0),this.state=vt,!0;this.nextLoadPosition=this.startPosition}return!1},c.updateLevelTiming=function(t,e,r,i){var n=this,a=r.details;Object.keys(t.elementaryStreams).reduce((function(e,o){var l=t.elementaryStreams[o];if(l){var u=l.endPTS-l.startPTS;if(u<=0)return n.warn("Could not parse fragment "+t.sn+" "+o+" duration reliably ("+u+") resetting transmuxer to fallback to playlist timing"),n.transmuxer&&(n.transmuxer.destroy(),n.transmuxer=null),e||!1;var h=i?0:j(a,t,l.startPTS,l.endPTS,l.startDTS,l.endDTS);return n.hls.trigger(s.a.LEVEL_PTS_UPDATED,{details:a,level:r,drift:h,type:o,frag:t,start:l.startPTS,end:l.endPTS}),!0}return e}),!1)?(this.state=bt,this.hls.trigger(s.a.FRAG_PARSED,{frag:t,part:e})):(this.fragCurrent=null,this.fragPrevious=null,this.state=vt)},u=i,(h=[{key:"state",get:function(){return this._state},set:function(t){var e=this._state;e!==t&&(this._state=t,this.log(e+"->"+t))}}])&&ct(u.prototype,h),d&&ct(u,d),i}(F);function _t(){return self.MediaSource||self.WebKitMediaSource}function It(){return self.SourceBuffer||self.WebKitSourceBuffer}var Ct=r(17),wt=r(9),Ot=r(13),xt=_t()||{isTypeSupported:function(){return!1}},Pt=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 Ot.EventEmitter,this.observer.on(s.a.FRAG_DECRYPTED,u),this.observer.on(s.a.ERROR,u);var h={mp4:xt.isTypeSupported("video/mp4"),mpeg:xt.isTypeSupported("audio/mpeg"),mp3:xt.isTypeSupported('audio/mp4; codecs="mp3"')},d=navigator.vendor;if(l.enableWorker&&"undefined"!=typeof Worker){var c;o.b.log("demuxing in webworker");try{c=this.worker=Ct(18),this.onwmsg=this.onWorkerMessage.bind(this),c.addEventListener("message",this.onwmsg),c.onerror=function(e){t.trigger(s.a.ERROR,{type:n.b.OTHER_ERROR,details:n.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(e.message+" ("+e.filename+":"+e.lineno+")")})},c.postMessage({cmd:"init",typeSupported:h,vendor:d,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"),c&&self.URL.revokeObjectURL(c.objectURL),this.transmuxer=new wt.c(this.observer,h,l,d),this.worker=null}}else this.transmuxer=new wt.c(this.observer,h,l,d)}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,n,a,s,l,u,h){var d=this;u.transmuxing.start=self.performance.now();var c=this.transmuxer,f=this.worker,g=a?a.start:n.start,v=n.decryptdata,p=this.frag,m=!(p&&n.cc===p.cc),y=!(p&&u.level===p.level),T=p?u.sn-p.sn:-1,E=this.part?u.part-this.part.index:1,b=!y&&(1===T||0===T&&1===E),S=self.performance.now();(y||T||0===n.stats.parsing.start)&&(n.stats.parsing.start=S),!a||!E&&b||(a.stats.parsing.start=S);var L=new wt.b(m,b,l,y,g);if(!b||m){o.b.log("[transmuxer-interface, "+n.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n discontinuity: "+m+"\n trackSwitch: "+y+"\n contiguous: "+b+"\n accurateTimeOffset: "+l+"\n timeOffset: "+g);var A=new wt.a(r,i,e,s,h);this.configureTransmuxer(A)}if(this.frag=n,this.part=a,f)f.postMessage({cmd:"demux",data:t,decryptdata:v,chunkMeta:u,state:L},t instanceof ArrayBuffer?[t]:[]);else if(c){var R=c.push(t,v,u,L);Object(wt.d)(R)?R.then((function(t){d.handleTransmuxComplete(t)})):this.handleTransmuxComplete(R)}},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 n=r.flush(t);Object(wt.d)(n)?n.then((function(r){e.handleFlushResult(r,t)})):this.handleFlushResult(n,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}(),Mt=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,n=r.currentTime,a=r.seeking,s=this.seeking&&!a,l=!this.seeking&&a;if(this.seeking=a,n===t){if((l||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&U.getBuffered(r).length){var u=U.bufferInfo(r,n,0),h=u.len>0,d=u.nextStart||0;if(h||d){if(a){var c=u.len>2,f=!d||d-n>2&&!this.fragmentTracker.getPartialFragment(n);if(c||f)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var g,v=Math.max(d,u.start||0)-n,p=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,m=(null==p||null===(g=p.details)||void 0===g?void 0:g.live)?2*p.details.targetduration:2;if(v>0&&v<=m)return void this._trySkipBufferHole(null)}var y=self.performance.now();if(null!==i){var T=y-i;!a&&T>=250&&this._reportStall(u.len);var E=U.bufferInfo(r,n,e.maxBufferHole);this._tryFixBufferStall(E,T)}else this.stalled=y}}}else if(this.moved=!0,null!==i){if(this.stallReported){var b=self.performance.now()-i;o.b.warn("playback not stuck anymore @"+n+", after "+Math.round(b)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},e._tryFixBufferStall=function(t,e){var r=this.config,i=this.fragmentTracker,n=this.media.currentTime,a=i.getPartialFragment(n);if(a&&this._trySkipBufferHole(a))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(s.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.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=U.getBuffered(i),h=0;h=l&&a0&&-1===t&&(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=vt,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this._forceStartLoad=!0,this.state=gt},c.stopLoad=function(){this._forceStartLoad=!1,t.prototype.stopLoad.call(this)},c.doTick=function(){switch(this.state){case vt:this.doTickIdle();break;case Dt: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=vt;break}break;case yt: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.state=vt)}this.onTickEnd()},c.onTickEnd=function(){t.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},c.doTickIdle=function(){var t,e,r=this.hls,i=this.levelLastLoaded,n=this.levels,o=this.media,l=r.config,u=r.nextLoadLevel;if(null!==i&&(o||!this.startFragRequested&&l.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&n&&n[u]){var h=n[u];this.level=r.nextLoadLevel=u;var d=h.details;if(!d||this.state===Dt||d.live&&this.levelLastLoaded!==u)this.state=Dt;else{var c=this.getLoadPosition();if(Object(a.a)(c)){var f=d.initSegment,g=0;if(!f||f.data||this.bitrateTest){var v,p=h.maxBitrate;v=p?Math.max(8*l.maxBufferSize/p,l.maxBufferLength):l.maxBufferLength,v=Math.min(v,l.maxMaxBufferLength);var m=c=v)return;if(this._streamEnded(y,d)){var T={};return this.altAudio&&(T.type="video"),this.hls.trigger(s.a.BUFFER_EOS,T),void(this.state=Lt)}if(g=y.end,(f=this.getNextFragment(g,d))&&this.fragmentTracker.getState(f)===C.OK&&this.nextLoadPosition>g&&(f=this.getNextFragment(this.nextLoadPosition,d)),!f)return}"identity"!==(null===(t=f.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=f.decryptdata)&&void 0!==e&&e.key?this.loadFragment(f,d,g):(this.log("Loading key for "+f.sn+" of ["+d.startSN+"-"+d.endSN+"], level "+u),this.loadKey(f))}}}},c.loadKey=function(t){this.state=pt,this.hls.trigger(s.a.KEY_LOADING,{frag:t})},c.loadFragment=function(e,r,i){var n,a=this.fragmentTracker.getState(e);if(this.fragCurrent=e,a===C.BACKTRACKED){var s=this.fragmentTracker.getBacktrackData(e);if(s)return this._handleFragmentLoadProgress(s),void this._handleFragmentLoadComplete(s);a=C.NOT_LOADED}a===C.NOT_LOADED||a===C.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)):a===C.APPENDING?this.reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e):0===(null===(n=this.media)||void 0===n?void 0:n.buffered.length)&&this.fragmentTracker.removeAllFragments()},c.getAppendedFrag=function(t){var e=this.fragmentTracker.getAppendedFrag(t,T.MAIN);return e&&"fragment"in e?e.fragment:e},c.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,T.MAIN)},c.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.end+.5):null},c.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},c.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 n=t[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(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,h=Math.max(s.end,l+Math.min(Math.max(u-this.config.maxFragLookUpTolerance,.5*u),.75*u));this.flushMainBuffer(h,Number.POSITIVE_INFINITY)}}}},c.abortCurrentFrag=function(){var t=this.fragCurrent;this.fragCurrent=null,null!=t&&t.loader&&t.loader.abort(),this.nextLoadPosition=this.getLoadPosition()},c.flushMainBuffer=function(e,r){t.prototype.flushMainBuffer.call(this,e,r,this.altAudio?"video":null)},c.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 Mt(this.config,i,this.fragmentTracker,this.hls)},c.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)},c.onMediaPlaying=function(){this.tick()},c.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()},c.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(s.a.BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null},c.onManifestParsed=function(t,e){var r,i,n,a=!1,s=!1;e.levels.forEach((function(t){(r=t.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=It())||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=e.levels,this.startFragRequested=!1},c.onLevelLoading=function(t,e){var r=this.levels;if(r&&this.state===vt){var i=r[e.level];(!i.details||i.details.live&&this.levelLastLoaded!==e.level||this.waitForCdnTuneIn(i.details))&&(this.state=Dt)}},c.onLevelLoaded=function(t,e){var r,i=this.levels,n=e.level,a=e.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!==mt&&this.state!==yt||l.level!==e.level&&l.loader&&(this.state=vt,l.loader.abort());var u=i[n],h=0;if(a.live||null!==(r=u.details)&&void 0!==r&&r.live){if(a.fragments[0]||(a.deltaUpdateFailed=!0),a.deltaUpdateFailed)return;h=this.alignPlaylists(a,u.details)}if(u.details=a,this.levelLastLoaded=n,this.hls.trigger(s.a.LEVEL_UPDATED,{details:a,level:n}),this.state===Dt){if(this.waitForCdnTuneIn(a))return;this.state=vt}this.startFragRequested?a.live&&this.synchronizeToLiveEdge(a):this.setStartPosition(a,h),this.tick()}else this.warn("Levels were reset while loading level "+n)},c._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,n=t.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,h=null===(e=o.initSegment)||void 0===e?void 0:e.data,d=this._getAudioCodec(s),c=this.transmuxer=this.transmuxer||new Pt(this.hls,T.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),f=i?i.index:-1,g=-1!==f,v=new W(r.level,r.sn,r.stats.chunkCount,n.byteLength,f,g),p=this.initPTS[r.cc];c.push(n,h,d,l,r,i,o.totalduration,u,v,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")},c.resetTransmuxer=function(){this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null)},c.onAudioTrackSwitching=function(t,e){var r=this.altAudio,i=!!e.url,n=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 a=this.fragCurrent;null!=a&&a.loader&&(this.log("Switching to main audio track, cancel main fragment load"),a.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.resetTransmuxer(),this.state=vt}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;r&&o.trigger(s.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(s.a.AUDIO_TRACK_SWITCHED,{id:n})}},c.onAudioTrackSwitched=function(t,e){var r=e.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()},c.onBufferCreated=function(t,e){var r,i,n=e.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},c.onFragBuffered=function(t,e){var r=e.frag,i=e.part;if(!r||r.type===T.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===bt&&(this.state=vt));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)}},c.onError=function(t,e){switch(e.details){case n.a.FRAG_LOAD_ERROR:case n.a.FRAG_LOAD_TIMEOUT:case n.a.KEY_LOAD_ERROR:case n.a.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(T.MAIN,e);break;case n.a.LEVEL_LOAD_ERROR:case n.a.LEVEL_LOAD_TIMEOUT:this.state!==At&&(e.fatal?(this.warn(""+e.details),this.state=At):e.levelRetry||this.state!==Dt||(this.state=vt));break;case n.a.BUFFER_FULL_ERROR:if("main"===e.parent&&(this.state===Et||this.state===bt))!!this.media&&U.isBuffered(this.media,this.media.currentTime)&&U.isBuffered(this.media,this.media.currentTime+.5)?(this.reduceMaxBufferLength(),this.state=vt):(this.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.immediateLevelSwitch())}},c.checkBuffer=function(){var t=this.media,e=this.gapController;if(t&&e&&t.readyState){var r=U.getBuffered(t);!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this._seekToStartPos()):e.poll(this.lastCurrentTime),this.lastCurrentTime=t.currentTime}},c.onFragLoadEmergencyAborted=function(){this.state=vt,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},c.onBufferFlushed=function(t,e){var r=e.type;if(r!==u.a.AUDIO){var i=(r===u.a.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r)}},c.onLevelsUpdated=function(t,e){this.levels=e.levels},c.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},c._seekToStartPos=function(){var t=this.media,e=t.currentTime,r=this.startPosition;if(r>=0&&e0&&n1&&!1===t.seeking){var r=t.currentTime;if(U.isBuffered(t,r)?e=this.getAppendedFrag(r):U.isBuffered(t,r+.1)&&(e=this.getAppendedFrag(r+.1)),e){var i=this.fragPlaying,n=e.level;i&&e.sn===i.sn&&i.level===n&&e.urlId===i.urlId||(this.hls.trigger(s.a.FRAG_CHANGED,{frag:e}),i&&i.level===n||this.hls.trigger(s.a.LEVEL_SWITCHED,{level:n}),this.fragPlaying=e)}}},l=i,(h=[{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}}])&&Ft(l.prototype,h),d&&Ft(l,d),i}(kt);function Gt(t,e){for(var r=0;re.partTarget&&(l+=1)}if(Object(a.a)(o))return new Kt(o,Object(a.a)(l)?l:void 0,Ut.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,n=e.details,a=e.stats,s=a.loading.end?Math.max(0,self.performance.now()-a.loading.end):0;if(n.advancedDateTime=Date.now()-s,n.live||null!=r&&r.live){if(n.reloaded(r),r&&this.log("live playlist "+t+" "+(n.advanced?"REFRESHED "+n.lastPartSn+"-"+n.lastPartIndex:"MISSED")),r&&n.fragments.length>0&&H(r,n),!this.canLoad||!n.live)return;var o=void 0,l=void 0;if(n.canBlockReload&&n.endSN&&n.advanced){var u=this.hls.config.lowLatencyMode,h=n.lastPartIndex;u?(o=-1!==h?n.lastPartSn:n.endSN+1,l=-1!==h?h+1:void 0):(o=-1!==h?n.lastPartSn+1:n.endSN+1,l=-1!==h?0:void 0);var d=n.age,c=d+n.ageHeader,f=Math.min(c-n.partTarget,1.5*n.targetduration);if(f>0){if(r&&f>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+f+" with playlist age: "+n.age),f=0;else{var g=Math.floor(f/n.targetduration);if(o+=g,void 0!==l)l+=Math.round(f%n.targetduration/n.partTarget);this.log("CDN Tune-in age: "+n.ageHeader+"s last advanced "+d.toFixed(2)+"s goal: "+f+" skip sn "+g+" to part "+l)}n.tuneInGoal=f}var v=this.getDeliveryDirectives(n,e.deliveryDirectives,o,l);return void this.loadPlaylist(v)}var p=function(t,e){var r,i=1e3*t.levelTargetDuration,n=i/2,a=t.age,s=a>0&&a<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(n,2*o),u),t.availabilityDelay=(t.availabilityDelay||0)+r}else r=n;else s?(l=Math.min(l||i/2,a),t.availabilityDelay=l,r=l+i-a):r=i-o;return Math.round(r)}(n,a);this.log("reload live playlist "+t+" in "+Math.round(p)+" ms");var m=this.getDeliveryDirectives(n,e.deliveryDirectives,o,l);this.timer=self.setTimeout((function(){return i.loadPlaylist(m)}),p)}else this.clearTimer()},e.getDeliveryDirectives=function(t,e,r,i){var n=function(t,e){var r=t.canSkipUntil,i=t.canSkipDateRanges,n=t.endSN;return r&&(void 0!==e?e-n: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 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 "'+t.details+'"')}else this.warn('cannot recover from error "'+t.details+'"'),this.clearTimer(),t.fatal=!0;return n},t}();function Vt(){return(Vt=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 f=0;fthis.hls.config.fragLoadingMaxRetry&&(s=r.frag.level)):s=r.frag.level}break;case n.a.LEVEL_LOAD_ERROR:case n.a.LEVEL_LOAD_TIMEOUT:i&&(i.deliveryDirectives&&(l=!1),s=i.level),o=!0;break;case n.a.REMUX_ALLOC_ERROR:s=r.level,o=!0}void 0!==s&&this.recoverLevel(r,s,o,l)}}},u.recoverLevel=function(t,e,r,i){var n=t.details,a=this._levels[e];if(a.loadError++,r){if(!this.retryLoadingOrFail(t))return void(this.currentLevelIndex=-1);t.levelRetry=!0}if(i){var s=a.url.length;if(s>1&&a.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===T.MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},u.onLevelLoaded=function(t,e){var r,i,n=e.level,a=e.details,s=this._levels[n];if(!s)return this.warn("Invalid level index "+n),void(null!==(i=e.deliveryDirectives)&&void 0!==i&&i.skip&&(a.deltaUpdateFailed=!0));n===this.currentLevelIndex?(0===s.fragmentError&&(s.loadError=0,this.retryCount=0),this.playlistLoaded(n,e,s.details)):null!==(r=e.deliveryDirectives)&&void 0!==r&&r.skip&&(a.deltaUpdateFailed=!0)},u.onAudioTrackSwitched=function(t,e){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,n=this.hls.audioTracks[e.id].groupId,a=0;a0){var i=r.urlId,n=r.url[i];if(t)try{n=t.addDirectives(n)}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+" "+n),this.clearTimer(),this.hls.trigger(s.a.LEVEL_LOADING,{url:n,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,n){return n!==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(s.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(s.a.ERROR,{type:n.b.OTHER_ERROR,details:n.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=Vt({},l,{level:t,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(s.a.LEVEL_SWITCHING,u);var h=l.details;if(!h||h.live){var d=this.switchParams(l.uri,null==o?void 0:o.details);this.loadPlaylist(d)}}}},{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)}}])&&Wt(a.prototype,o),l&&Wt(a,l),i}(Ht),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*h/c||y<=E)){var b,S=Number.POSITIVE_INFINITY;for(b=t.level-1;b>g;b--){if((S=h*f[b].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 "+b+"\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: "+E.toFixed(3)+" s"),r.nextLoadLevel=b,this.bwEstimator.sample(d,u.loaded),this.clearTimer(),t.loader&&(this.fragCurrent=this.partCurrent=null,t.loader.abort()),r.trigger(s.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===T.MAIN&&Object(a.a)(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,h=(l.loaded?l.loaded.duration:0)+o;l.loaded={bytes:u,duration:h},l.realBitrate=Math.round(8*u/h)}if(r.bitrateTest){var d={stats:n,frag:r,part:i,id:r.type};this.onFragBuffered(s.a.FRAG_BUFFERED,d),r.bitrateTest=!1}}},l.onFragBuffered=function(t,e){var r=e.frag,i=e.part,n=i?i.stats:r.stats;if(!n.aborted&&r.type===T.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}},l.onError=function(t,e){switch(e.details){case n.a.FRAG_LOAD_ERROR:case n.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,n=r.config,a=r.minAutoLevel,s=r.media,l=e?e.duration:t?t.duration:0,u=s?s.currentTime:0,h=s&&0!==s.playbackRate?Math.abs(s.playbackRate):1,d=this.bwEstimator?this.bwEstimator.getEstimate():n.abrEwmaDefaultEstimate,c=(U.bufferInfo(s,u,n.maxBufferHole).end-u)/h,f=this.findBestLevel(d,a,i,c,n.abrBandWidthFactor,n.abrBandWidthUpFactor);if(f>=0)return f;o.b.trace((c?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var g=l?Math.min(l,n.maxStarvationDelay):n.maxStarvationDelay,v=n.abrBandWidthFactor,p=n.abrBandWidthUpFactor;if(!c){var m=this.bitrateTestDelay;if(m)g=(l?Math.min(l,n.maxLoadingDelay):n.maxLoadingDelay)-m,o.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),v=p=1}return f=this.findBestLevel(d,a,i,c+g,v,p),Math.max(f,0)},l.findBestLevel=function(t,e,r,i,n,a){for(var s,l=this.fragCurrent,u=this.partCurrent,h=this.lastLoadedFragLevel,d=this.hls.levels,c=d[h],f=!(null==c||null===(s=c.details)||void 0===s||!s.live),g=null==c?void 0:c.codecSet,v=u?u.duration:l?l.duration:0,p=r;p>=e;p--){var m=d[p];if(m&&(!g||m.codecSet===g)){var y=m.details,T=(u?null==y?void 0:y.partTarget:null==y?void 0:y.averagetargetduration)||v,E=void 0;E=p<=h?n*t:a*t;var b=d[p].maxBitrate,S=b*T/E;if(o.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+p+"/"+Math.round(E)+"/"+b+"/"+T+"/"+i+"/"+S),E>b&&(!S||f&&!this.bitrateTestDelay||S0&&-1===t?(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),this.state=vt):(this.loadedmetadata=!1,this.state=Tt),this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()},l.doTick=function(){switch(this.state){case vt:this.doTickIdle();break;case Tt:var e,r=this.levels,i=this.trackId,n=null==r||null===(e=r[i])||void 0===e?void 0:e.details;if(n){if(this.waitForCdnTuneIn(n))break;this.state=Rt}break;case yt:var a,s=performance.now(),l=this.retryDate;(!l||s>=l||null!==(a=this.media)&&void 0!==a&&a.seeking)&&(this.log("RetryDate reached, switch back to IDLE state"),this.state=vt);break;case Rt:var u=this.waitingData;if(u){var h=u.frag,d=u.part,c=u.cache,f=u.complete;if(void 0!==this.initPTS[h.cc]){this.waitingData=null,this.state=mt;var g={frag:h,part:d,payload:c.flush(),networkDetails:null};this._handleFragmentLoadProgress(g),f&&t.prototype._handleFragmentLoadComplete.call(this,g)}else if(this.videoTrackCC!==this.waitingVideoCC)o.b.log("Waiting fragment cc ("+h.cc+") cancelled because video is at cc "+this.videoTrackCC),this.clearWaitingFragment();else{var v=U.bufferInfo(this.mediaBuffer,this.media.currentTime,this.config.maxBufferHole);Z(v.end,this.config.maxFragLookUpTolerance,h)<0&&(o.b.log("Waiting fragment cc ("+h.cc+") @ "+h.start+" cancelled because another fragment at "+v.end+" is needed"),this.clearWaitingFragment())}}else this.state=vt}this.onTickEnd()},l.clearWaitingFragment=function(){var t=this.waitingData;t&&(this.fragmentTracker.removeFragment(t.frag),this.waitingData=null,this.waitingVideoCC=-1,this.state=vt)},l.onTickEnd=function(){var t=this.media;if(t&&t.readyState){var e=(this.mediaBuffer?this.mediaBuffer:t).buffered;!this.loadedmetadata&&e.length&&(this.loadedmetadata=!0),this.lastCurrentTime=t.currentTime}},l.doTickIdle=function(){var t,e,r=this.hls,i=this.levels,n=this.media,o=this.trackId,l=r.config;if(i&&i[o]&&(n||!this.startFragRequested&&l.startFragPrefetch)){var u=this.getLoadPosition();if(Object(a.a)(u)){var h=i[o].details;if(!h||h.live&&this.levelLastLoaded!==o||this.waitForCdnTuneIn(h))this.state=Tt;else{var d=h.initSegment,c=0;if(!d||d.data){var f=this.mediaBuffer?this.mediaBuffer:this.media,g=this.videoBuffer?this.videoBuffer:this.media,v=u=E&&!b)return;if(!b&&this._streamEnded(p,h))return r.trigger(s.a.BUFFER_EOS,{type:"audio"}),void(this.state=Lt);var S=h.fragments[0].start;if(c=p.end,b&&(c=u,h.PTSKnown&&uS||p.nextStart)&&(this.log("Alt audio track ahead of main track, seek to start of alt audio track"),n.currentTime=S+.05)),!(d=this.getNextFragment(c,h)))return}"identity"!==(null===(t=d.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=d.decryptdata)&&void 0!==e&&e.key?this.loadFragment(d,h,c):(this.log("Loading key for "+d.sn+" of ["+h.startSN+" ,"+h.endSN+"],track "+o),this.state=pt,r.trigger(s.a.KEY_LOADING,{frag:d}))}}}},l.onMediaDetaching=function(){this.videoBuffer=null,t.prototype.onMediaDetaching.call(this)},l.onAudioTracksUpdated=function(t,e){var r=e.audioTracks;this.levels=r.map((function(t){return new jt(t)}))},l.onAudioTrackSwitching=function(t,e){var r=!!e.url;this.trackId=e.id;var i=this.fragCurrent,n=this.transmuxer;null!=i&&i.loader&&i.loader.abort(),this.fragCurrent=null,this.clearWaitingFragment(),r?this.setInterval(100):n&&(n.destroy(),this.transmuxer=null),r?(this.audioSwitch=!0,this.state=vt):this.state=gt,this.tick()},l.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments(),this.startPosition=this.lastCurrentTime=0},l.onLevelLoaded=function(t,e){if(null===this.mainDetails){var r=this.mainDetails=e.details,i=this.levelLastLoaded;if(null!==i&&this.levels&&-1===this.startPosition&&r.live){var n=this.levels[i];if(!n.details||!n.details.fragments[0])return;z(n.details,r),this.setStartPosition(n.details,n.details.fragments[0].start)}}},l.onAudioTrackLoaded=function(t,e){var r,i=this.levels,n=e.details,a=e.id;if(i){this.log("Track "+a+" loaded ["+n.startSN+","+n.endSN+"],duration:"+n.totalduration);var s=i[a],o=0;if(n.live||null!==(r=s.details)&&void 0!==r&&r.live){var l;if(n.fragments[0]||(n.deltaUpdateFailed=!0),n.deltaUpdateFailed)return;!s.details&&null!==(l=this.mainDetails)&&void 0!==l&&l.hasProgramDateTime&&n.hasProgramDateTime?(z(n,this.mainDetails),o=n.fragments[0].start):o=this.alignPlaylists(n,s.details)}s.details=n,this.levelLastLoaded=a,this.startFragRequested||!this.mainDetails&&n.live||this.setStartPosition(s.details,o),this.state!==Tt||this.waitForCdnTuneIn(n)||(this.state=vt),this.tick()}else this.warn("Audio tracks were reset while loading level "+a)},l._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,n=t.payload,a=this.config,s=this.trackId,l=this.levels;if(l){var u=l[s],h=u.details,d=a.defaultAudioCodec||u.audioCodec||"mp4a.40.2",c=this.transmuxer;c||(c=this.transmuxer=new Pt(this.hls,T.AUDIO,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));var f=this.initPTS[r.cc],g=null===(e=h.initSegment)||void 0===e?void 0:e.data;if(void 0!==f){var v=i?i.index:-1,p=-1!==v,m=new W(r.level,r.sn,r.stats.chunkCount,n.byteLength,v,p);c.push(n,g,d,"",r,i,h.totalduration,!1,m,f)}else{o.b.log("Unknown video PTS for cc "+r.cc+", waiting for video PTS before demuxing audio frag "+r.sn+" of ["+h.startSN+" ,"+h.endSN+"],track "+s),(this.waitingData=this.waitingData||{frag:r,part:i,cache:new Zt.a,complete:!1}).cache.push(new Uint8Array(n)),this.waitingVideoCC=this.videoTrackCC,this.state=Rt}}else this.warn("Audio tracks were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},l._handleFragmentLoadComplete=function(e){this.waitingData?this.waitingData.complete=!0:t.prototype._handleFragmentLoadComplete.call(this,e)},l.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},l.onBufferCreated=function(t,e){var r=e.tracks.audio;r&&(this.mediaBuffer=r.buffer),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},l.onFragBuffered=function(t,e){var r=e.frag,i=e.part;r.type===T.AUDIO&&(this.fragContextChanged(r)?this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state+", audioSwitch: "+this.audioSwitch):("initSegment"!==r.sn&&(this.fragPrevious=r,this.audioSwitch&&(this.audioSwitch=!1,this.hls.trigger(s.a.AUDIO_TRACK_SWITCHED,{id:this.trackId}))),this.fragBufferedComplete(r,i)))},l.onError=function(t,e){switch(e.details){case n.a.FRAG_LOAD_ERROR:case n.a.FRAG_LOAD_TIMEOUT:case n.a.KEY_LOAD_ERROR:case n.a.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(T.AUDIO,e);break;case n.a.AUDIO_TRACK_LOAD_ERROR:case n.a.AUDIO_TRACK_LOAD_TIMEOUT:this.state!==At&&this.state!==gt&&(this.state=e.fatal?At:vt,this.warn(e.details+" while loading frag, switching to "+this.state+" state"));break;case n.a.BUFFER_FULL_ERROR:if("audio"===e.parent&&(this.state===Et||this.state===bt)){var r=this.mediaBuffer,i=this.media.currentTime;r&&U.isBuffered(r,i)&&U.isBuffered(r,i+.5)?(this.reduceMaxBufferLength(),this.state=vt):(this.warn("Buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.hls.trigger(s.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}))}}},l.onBufferFlushed=function(t,e){var r=e.type;if(r===u.a.AUDIO){var i=this.mediaBuffer?this.mediaBuffer:this.media;this.afterBufferFlushed(i,r)}},l._handleTransmuxComplete=function(t){var e,r="audio",i=this.hls,n=t.remuxResult,a=t.chunkMeta,o=this.getCurrentContext(a);if(!o)return this.warn("The loading context changed while buffering fragment "+a.sn+" of level "+a.level+". This chunk will not be buffered."),void this.resetLiveStartWhenNotLoaded(a.level);var l=o.frag,h=o.part,d=n.audio,c=n.text,f=n.id3,g=n.initSegment;if(!this.fragContextChanged(l)){if(this.state=Et,this.audioSwitch&&d&&this.completeAudioSwitch(),null!=g&&g.tracks&&(this._bufferInitSegment(g.tracks,l,a),i.trigger(s.a.FRAG_PARSING_INIT_SEGMENT,{frag:l,id:r,tracks:g.tracks})),d){var v=d.startPTS,p=d.endPTS,m=d.startDTS,y=d.endDTS;h&&(h.elementaryStreams[u.a.AUDIO]={startPTS:v,endPTS:p,startDTS:m,endDTS:y}),l.setElementaryStreamInfo(u.a.AUDIO,v,p,m,y),this.bufferFragmentData(d,l,h,a)}if(null!=f&&null!==(e=f.samples)&&void 0!==e&&e.length){var T=te({frag:l,id:r},f);i.trigger(s.a.FRAG_PARSING_METADATA,T)}if(c){var E=te({frag:l,id:r},c);i.trigger(s.a.FRAG_PARSING_USERDATA,E)}}},l._bufferInitSegment=function(t,e,r){if(this.state===Et){t.video&&delete t.video;var i=t.audio;if(i){i.levelCodec=i.codec,i.id="audio",this.log("Init audio buffer, container:"+i.container+", codecs[parsed]=["+i.codec+"]"),this.hls.trigger(s.a.BUFFER_CODECS,t);var n=i.initSegment;if(null!=n&&n.byteLength){var a={type:"audio",frag:e,part:null,chunkMeta:r,parent:e.type,data:n};this.hls.trigger(s.a.BUFFER_APPENDING,a)}this.tick()}}},l.loadFragment=function(e,r,i){var n=this.fragmentTracker.getState(e);this.fragCurrent=e,(this.audioSwitch||n===C.NOT_LOADED||n===C.PARTIAL)&&("initSegment"===e.sn?this._loadInitSegment(e):r.live&&!Object(a.a)(this.initPTS[e.cc])?(this.log("Waiting for video PTS in continuity counter "+e.cc+" of live stream before loading audio fragment "+e.sn+" of level "+this.trackId),this.state=Rt):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,r,i)))},l.completeAudioSwitch=function(){var t=this.hls,e=this.media,r=this.trackId;e&&(this.log("Switching audio track : flushing all audio"),t.trigger(s.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})),this.audioSwitch=!1,t.trigger(s.a.AUDIO_TRACK_SWITCHED,{id:r})},i}(kt);function ie(t,e){for(var r=0;r=r.length)this.warn("Invalid id passed to audio-track controller");else{this.clearTimer();var i=r[this.trackId],n=r[t];this.log("Now switching to audio-track index "+t),this.trackId=t;var a=n.url,o=n.type,l=n.id;this.hls.trigger(s.a.AUDIO_TRACK_SWITCHING,{id:l,type:o,url:a});var u=this.switchParams(n.url,null==i?void 0:i.details);this.loadPlaylist(u)}},u.selectInitialTrack=function(){var t,e=null===(t=this.tracksInGroup[this.trackId])||void 0===t?void 0:t.name,r=this.findTrackId(e)||this.findTrackId();-1!==r?this.setAudioTrack(r):(this.warn("No track found for running audio group-ID: "+this.groupId),this.hls.trigger(s.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.a.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))},u.findTrackId=function(t){for(var e=this.tracksInGroup,r=0;r=n[o].start&&s<=n[o].end){a=n[o];break}var l=r.start+r.duration;a?a.end=l:(a={start:s,end:l},n.push(a))}}},u.onMediaAttached=function(t,e){var r=e.media;this.media=r,this.state=vt},u.onMediaDetaching=function(){var t=this;this.media&&(this.fragmentTracker.removeAllFragments(),this.fragPrevious=null,this.currentTrackId=-1,this.levels.forEach((function(e){t.tracksBuffered[e.id]=[]})),this.media=null,this.mediaBuffer=null,this.state=gt)},u.onError=function(t,e){var r,i=e.frag;i&&i.type===T.SUBTITLE&&(null!==(r=this.fragCurrent)&&void 0!==r&&r.loader&&this.fragCurrent.loader.abort(),this.state=vt)},u.onSubtitleTracksUpdated=function(t,e){var r=this,i=e.subtitleTracks;this.tracksBuffered=[],this.levels=i.map((function(t){return new jt(t)})),this.fragmentTracker.removeAllFragments(),this.fragPrevious=null,this.levels.forEach((function(t){r.tracksBuffered[t.id]=[]})),this.mediaBuffer=null},u.onSubtitleTrackSwitch=function(t,e){if(this.currentTrackId=e.id,this.levels.length&&-1!==this.currentTrackId){var r=this.levels[this.currentTrackId];null!=r&&r.details?(this.mediaBuffer=this.mediaBufferTimeRanges,this.setInterval(500)):this.mediaBuffer=null}else this.clearInterval()},u.onSubtitleTrackLoaded=function(t,e){var r,i=e.id,n=e.details,a=this.currentTrackId,s=this.levels;if(s.length&&n){var o=s[a];if(!(i>=s.length||i!==a)&&o){if(this.mediaBuffer=this.mediaBufferTimeRanges,n.live||null!==(r=o.details)&&void 0!==r&&r.live){if(n.deltaUpdateFailed)return;this.alignPlaylists(n,o.details)}o.details=n,this.levelLastLoaded=i,this.setInterval(500)}}},u._handleFragmentLoadComplete=function(t){var e=t.frag,r=t.payload,i=e.decryptdata,n=this.hls;if(!this.fragContextChanged(e)&&r&&r.byteLength>0&&i&&i.key&&i.iv&&"AES-128"===i.method){var a=performance.now();this.decrypter.webCryptoDecrypt(new Uint8Array(r),i.key.buffer,i.iv.buffer).then((function(t){var r=performance.now();n.trigger(s.a.FRAG_DECRYPTED,{frag:e,payload:t,stats:{tstart:a,tdecrypt:r}})}))}},u.doTick=function(){if(this.media){if(this.state===vt){var t,e=this.config,r=this.currentTrackId,i=this.fragmentTracker,n=this.media,a=this.levels;if(!a.length||!a[r]||!a[r].details)return;var l=e.maxBufferHole,u=e.maxFragLookUpTolerance,h=Math.min(e.maxBufferLength,e.maxMaxBufferLength),d=U.bufferedInfo(this.mediaBufferTimeRanges,n.currentTime,l),c=d.end;if(d.len>h)return;var f,g=a[r].details,v=g.fragments,p=v.length,m=v[p-1].start+v[p-1].duration,y=this.fragPrevious;ct[r].endTime)return-1;var i=0,n=r;for(;i<=n;){var a=Math.floor((n+i)/2);if(et[a].startTime&&i-1)for(var a=n,s=t.length;a=e&&o.endTime<=r)i.push(o);else if(o.startTime>r)return i}return i}(t.cues,e,r),a=0;a-1&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=-1),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?(self.clearInterval(this.subtitlePollingInterval),this.subtitlePollingInterval=self.setInterval((function(){r.trackChangeListener()}),500)):this.media.textTracks.addEventListener("change",this.trackChangeListener))},l.onMediaDetaching=function(){this.media&&(this.useTextTrackPolling?self.clearInterval(this.subtitlePollingInterval):this.media.textTracks.removeEventListener("change",this.trackChangeListener),this.trackId>-1&&(this.queuedDefaultTrack=this.trackId),ve(this.media.textTracks).forEach((function(t){de(t)})),this.subtitleTrack=-1,this.media=null)},l.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.selectDefaultTrack=!0},l.onManifestParsed=function(t,e){this.tracks=e.subtitleTracks},l.onSubtitleTrackLoaded=function(t,e){var r=e.id,i=e.details,n=this.trackId,a=this.tracksInGroup[n];if(a){var s=a.details;a.details=e.details,this.log("subtitle track "+r+" loaded ["+i.startSN+"-"+i.endSN+"]"),r===this.trackId&&(this.retryCount=0,this.playlistLoaded(r,e,s))}else this.warn("Invalid subtitle track id "+r)},l.onLevelLoading=function(t,e){this.switchLevel(e.level)},l.onLevelSwitching=function(t,e){this.switchLevel(e.level)},l.switchLevel=function(t){var e=this.hls.levels[t];if(null!=e&&e.textGroupIds){var r=e.textGroupIds[e.urlId];if(this.groupId!==r){var i=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0,n=this.findTrackId(null==i?void 0:i.name)||this.findTrackId(),a=this.tracks.filter((function(t){return!r||t.groupId===r}));this.groupId=r,this.tracksInGroup=a;var o={subtitleTracks:a};this.log("Updating subtitle tracks, "+a.length+' track(s) found in "'+r+'" group-id'),this.hls.trigger(s.a.SUBTITLE_TRACKS_UPDATED,o),-1!==n&&this.setSubtitleTrack(n,i)}}},l.findTrackId=function(t){for(var e=this.tracksInGroup,r=0;r=i.length)){this.clearTimer();var n=i[t];if(this.log("Switching to subtitle track "+t),this.trackId=t,n){var a=n.url,o=n.type,l=n.id;this.hls.trigger(s.a.SUBTITLE_TRACK_SWITCH,{id:l,type:o,url:a});var u=this.switchParams(n.url,null==e?void 0:e.details);this.loadPlaylist(u)}else this.hls.trigger(s.a.SUBTITLE_TRACK_SWITCH,{id:t})}}else this.queuedDefaultTrack=t},l.onTextTracksChanged=function(){if(this.media&&this.hls.config.renderTextTracksNatively){for(var t=-1,e=ve(this.media.textTracks),r=0;r=.1&&(o.b.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+d.start+" (delta: "+e+") sn: "+d.sn+")"),t.timestampOffset=d.start)}}r.appendExecutor(u,h)},onStart:function(){},onComplete:function(){var t=self.performance.now();g.executeEnd=g.end=t,0===p.first&&(p.first=t),m&&0===m.first&&(m.first=t);var e=r.sourceBuffer,i={};for(var n in e)i[n]=U.getBuffered(e[n]);r.appendError=0,r.hls.trigger(s.a.BUFFER_APPENDED,{type:h,frag:d,part:c,chunkMeta:f,parent:d.type,timeRanges:i})},onError:function(t){o.b.error("[buffer-controller]: Error encountered while trying to append to the "+h+" SourceBuffer",t);var e={type:n.b.MEDIA_ERROR,parent:d.type,details:n.a.BUFFER_APPEND_ERROR,err:t,fatal:!1};t.code===DOMException.QUOTA_EXCEEDED_ERR?e.details=n.a.BUFFER_FULL_ERROR:(r.appendError++,e.details=n.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(s.a.ERROR,e)}};a.append(E,h)},e.onBufferFlushing=function(t,e){var r=this,i=this.operationQueue,n=function(t){return{execute:r.removeExecutor.bind(r,t,e.startOffset,e.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(s.a.BUFFER_FLUSHED,{type:t})},onError:function(e){o.b.warn("[buffer-controller]: Failed to remove from "+t+" SourceBuffer",e)}}};e.type?i.append(n(e.type),e.type):(i.append(n("audio"),"audio"),i.append(n("video"),"video"))},e.onFragParsed=function(t,e){var r=this,i=e.frag,n=e.part,a=[],l=n?n.elementaryStreams:i.elementaryStreams;l[u.a.AUDIOVIDEO]?a.push("audiovideo"):(l[u.a.AUDIO]&&a.push("audio"),l[u.a.VIDEO]&&a.push("video"));0===a.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,n&&(n.stats.buffering.end=t);var e=n?n.stats:i.stats;r.hls.trigger(s.a.FRAG_BUFFERED,{frag:i,part:n,stats:e,id:i.type})}),a)},e.onFragChanged=function(t,e){this.flushBackBuffer()},e.onBufferEos=function(t,e){var r=this;this.getSourceBufferTypes().reduce((function(t,i){var n=r.sourceBuffer[i];return e.type&&e.type!==i||n&&!n.ended&&(n.ended=!0,o.b.log("[buffer-controller]: "+i+" sourceBuffer now EOS")),t&&!(n&&!n.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 n=this.getSourceBufferTypes();if(n.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,h=Math.max(o,u),d=Math.floor(l/u)*u-h;n.forEach((function(r){var n=i[r];if(n){var a=U.getBuffered(n);a.length>0&&d>a.start(0)&&(t.trigger(s.a.BACK_BUFFER_REACHED,{bufferEnd:d}),e.live&&t.trigger(s.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:d}),t.trigger(s.a.BUFFER_FLUSHING,{startOffset:0,endOffset:d,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),n=Math.max(i,i+t.totalduration);e.setLiveSeekableRange(i,n)}},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=Object.keys(this.sourceBuffer);if(0===a.length)return void this.hls.trigger(s.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.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,h=l.container+";codecs="+u;o.b.log("[buffer-controller]: creating sourceBuffer("+h+")");try{var d=e[a]=r.addSourceBuffer(h),c=a;this.addBufferListener(c,"updatestart",this._onSBUpdateStart),this.addBufferListener(c,"updateend",this._onSBUpdateEnd),this.addBufferListener(c,"error",this._onSBUpdateError),this.tracks[a]={buffer:d,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(s.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:t,mimeType:h})}}i&&this.hls.trigger(s.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(s.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.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,h=Object(a.a)(n.duration)?n.duration:1/0,d=Math.max(0,e),c=Math.min(r,u,h);c>d?(o.b.log("[buffer-controller]: Removing ["+d+","+c+"] from the "+t+" SourceBuffer"),l.remove(d,c)):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,n=e.map((function(t){return i.appendBlocker(t)}));Promise.all(n).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 n=r.bind(this,t);this.listeners[t].push({event:e,listener:n}),i.addEventListener(e,n)}},e.removeBufferListeners=function(t){var 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Se.hasOwnProperty(t)&&(e=Se[t]),String.fromCharCode(e)},Ae={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},Re={17:2,18:4,21:6,22:8,23:10,19:13,20:15},De={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},ke={25:2,26:4,29:6,30:8,31:10,27:13,28:15},_e=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];!function(t){t[t.ERROR=0]="ERROR",t[t.TEXT=1]="TEXT",t[t.WARNING=2]="WARNING",t[t.INFO=2]="INFO",t[t.DEBUG=3]="DEBUG",t[t.DATA=3]="DATA"}(pe||(pe={}));var Ie=function(){function t(){this.time=null,this.verboseLevel=pe.ERROR}return t.prototype.log=function(t,e){this.verboseLevel>=t&&o.b.log(this.time+" ["+t+"] "+e)},t}(),Ce=function(t){for(var e=[],r=0;r100&&(this.logger.log(pe.DEBUG,"Too large cursor position "+this.pos),this.pos=100)},e.moveCursor=function(t){var e=this.pos+t;if(t>1)for(var r=this.pos+1;r=144&&this.backSpace();var e=Le(t);this.pos>=100?this.logger.log(pe.ERROR,"Cannot insert "+t.toString(16)+" ("+e+") at position "+this.pos+". 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e=!0,r=0;r<15;r++)if(!this.rows[r].equals(t.rows[r])){e=!1;break}return e},e.copy=function(t){for(var e=0;e<15;e++)this.rows[e].copy(t.rows[e])},e.isEmpty=function(){for(var t=!0,e=0;e<15;e++)if(!this.rows[e].isEmpty()){t=!1;break}return t},e.backSpace=function(){this.rows[this.currRow].backSpace()},e.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},e.insertChar=function(t){this.rows[this.currRow].insertChar(t)},e.setPen=function(t){this.rows[this.currRow].setPenStyles(t)},e.moveCursor=function(t){this.rows[this.currRow].moveCursor(t)},e.setCursor=function(t){this.logger.log(pe.INFO,"setCursor: "+t),this.rows[this.currRow].setCursor(t)},e.setPAC=function(t){this.logger.log(pe.INFO,"pacData = "+JSON.stringify(t));var e=t.row-1;if(this.nrRollUpRows&&e0&&(r=t?"["+e.join(" | ")+"]":e.join("\n")),r},e.getTextAndFormat=function(){return this.rows},t}(),Me=function(){function t(t,e,r){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 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this.outputFilter},e.setHandler=function(t){this.outputFilter=t},e.setPAC=function(t){this.writeScreen.setPAC(t)},e.setBkgData=function(t){this.writeScreen.setBkgData(t)},e.setMode=function(t){t!==this.mode&&(this.mode=t,this.logger.log(pe.INFO,"MODE="+t),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=t)},e.insertChars=function(t){for(var e=0;e=46,e.italics)e.foreground="white";else{var r=Math.floor(t/2)-16;e.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}this.logger.log(pe.INFO,"MIDROW: "+JSON.stringify(e)),this.writeScreen.setPen(e)},e.outputDataUpdate=function(t){void 0===t&&(t=!1);var e=this.logger.time;null!==e&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,e,this.lastOutputScreen),t&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:e):this.cueStartTime=e,this.lastOutputScreen.copy(this.displayedMemory))},e.cueSplitAtTime=function(t){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.displayedMemory),this.cueStartTime=t))},t}();function Fe(t,e,r){r.a=t,r.b=e}function Ne(t,e,r){return r.a===t&&r.b===e}var Ue=function(){function t(t,e,r){this.channels=void 0,this.currentChannel=0,this.cmdHistory=void 0,this.logger=void 0;var i=new Ie;this.channels=[null,new Me(t,e,i),new Me(t+1,r,i)],this.cmdHistory={a:null,b:null},this.logger=i}var e=t.prototype;return e.getHandler=function(t){return this.channels[t].getHandler()},e.setHandler=function(t,e){this.channels[t].setHandler(e)},e.addData=function(t,e){var r,i,n,a=!1;this.logger.time=t;for(var s=0;s ("+Ce([i,n])+")"),(r=this.parseCmd(i,n))||(r=this.parseMidrow(i,n)),r||(r=this.parsePAC(i,n)),r||(r=this.parseBackgroundAttributes(i,n)),!r&&(a=this.parseChars(i,n))){var o=this.currentChannel;if(o&&o>0)this.channels[o].insertChars(a);else this.logger.log(pe.WARNING,"No channel found yet. TEXT-MODE?")}r||a||this.logger.log(pe.WARNING,"Couldn't parse cleaned data "+Ce([i,n])+" orig: "+Ce([e[s],e[s+1]]))}},e.parseCmd=function(t,e){var r=this.cmdHistory;if(!((20===t||28===t||21===t||29===t)&&e>=32&&e<=47)&&!((23===t||31===t)&&e>=33&&e<=35))return!1;if(Ne(t,e,r))return Fe(null,null,r),this.logger.log(pe.DEBUG,"Repeated command ("+Ce([t,e])+") is dropped"),!0;var i=20===t||21===t||23===t?1:2,n=this.channels[i];return 20===t||21===t||28===t||29===t?32===e?n.ccRCL():33===e?n.ccBS():34===e?n.ccAOF():35===e?n.ccAON():36===e?n.ccDER():37===e?n.ccRU(2):38===e?n.ccRU(3):39===e?n.ccRU(4):40===e?n.ccFON():41===e?n.ccRDC():42===e?n.ccTR():43===e?n.ccRTD():44===e?n.ccEDM():45===e?n.ccCR():46===e?n.ccENM():47===e&&n.ccEOC():n.ccTO(e-32),Fe(t,e,r),this.currentChannel=i,!0},e.parseMidrow=function(t,e){var r=0;if((17===t||25===t)&&e>=32&&e<=47){if((r=17===t?1:2)!==this.currentChannel)return this.logger.log(pe.ERROR,"Mismatch channel in midrow parsing"),!1;var i=this.channels[r];return!!i&&(i.ccMIDROW(e),this.logger.log(pe.DEBUG,"MIDROW ("+Ce([t,e])+")"),!0)}return!1},e.parsePAC=function(t,e){var r,i=this.cmdHistory;if(!((t>=17&&t<=23||t>=25&&t<=31)&&e>=64&&e<=127)&&!((16===t||24===t)&&e>=64&&e<=95))return!1;if(Ne(t,e,i))return Fe(null,null,i),!0;var n=t<=23?1:2;r=e>=64&&e<=95?1===n?Ae[t]:De[t]:1===n?Re[t]:ke[t];var a=this.channels[n];return!!a&&(a.setPAC(this.interpretPAC(r,e)),Fe(t,e,i),this.currentChannel=n,!0)},e.interpretPAC=function(t,e){var r,i={color:null,italics:!1,indent:null,underline:!1,row:t};return r=e>95?e-96:e-64,i.underline=1==(1&r),r<=13?i.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white"):i.indent=4*Math.floor((r-16)/2),i},e.parseChars=function(t,e){var r,i,n=null,a=null;(t>=25?(r=2,a=t-8):(r=1,a=t),a>=17&&a<=19)?(i=17===a?e+80:18===a?e+112:e+144,this.logger.log(pe.INFO,"Special char '"+Le(i)+"' in channel 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r=e.toLowerCase();return!!~t.indexOf(r)&&r}function i(t){return r(e,t)}function n(t){for(var e=arguments.length,r=new Array(e>1?e-1:0),i=1;i100)throw new Error("Position must be between 0 and 100.");T=t,this.hasBeenReset=!0}})),Object.defineProperty(o,"positionAlign",n({},l,{get:function(){return E},set:function(t){var e=i(t);if(!e)throw new SyntaxError("An invalid or illegal string was specified.");E=e,this.hasBeenReset=!0}})),Object.defineProperty(o,"size",n({},l,{get:function(){return b},set:function(t){if(t<0||t>100)throw new Error("Size must be between 0 and 100.");b=t,this.hasBeenReset=!0}})),Object.defineProperty(o,"align",n({},l,{get:function(){return S},set:function(t){var e=i(t);if(!e)throw new SyntaxError("An invalid or illegal string was specified.");S=e,this.hasBeenReset=!0}})),o.displayState=void 0}return a.prototype.getCueAsHTML=function(){return self.WebVTT.convertCueToDOMTree(self,this.text)},a}(),Ke=function(){function t(){}return 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he(t,e)}))),u}},enableCEA708Captions:!0,enableWebVTT:!0,enableIMSC1:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es",captionsTextTrack3Label:"Unknown CC",captionsTextTrack3LanguageCode:"",captionsTextTrack4Label:"Unknown CC",captionsTextTrack4LanguageCode:"",renderTextTracksNatively:!0}),{},{subtitleStreamController:le,subtitleTrackController:me,timelineController:fr,audioStreamController:re,audioTrackController:ae,emeController:br});function Br(t){var e=t.loader;e!==Or&&e!==Lr?(o.b.log("[config]: Custom loader detected, cannot enable progressive streaming"),t.progressive=!1):function(){if(self.fetch&&self.AbortController&&self.ReadableStream&&self.Request)try{return new self.ReadableStream({}),!0}catch(t){}return!1}()&&(t.loader=Or,t.progressive=!0,t.enableSoftwareAES=!0,o.b.log("[config]: Progressive streaming enabled, using FetchLoader"))}var Gr=function(){function t(t){this.hls=void 0,this.id3Track=null,this.media=null,this.hls=t,this._registerListeners()}var e=t.prototype;return e.destroy=function(){this._unregisterListeners()},e._registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),t.on(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this)},e._unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),t.off(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this)},e.onMediaAttached=function(t,e){this.media=e.media},e.onMediaDetaching=function(){this.id3Track&&(de(this.id3Track),this.id3Track=null,this.media=null)},e.getID3Track=function(t){if(this.media){for(var e=0;e.05&&this.forwardBufferLength>1){var u=Math.min(2,Math.max(1,a)),h=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;t.playbackRate=Math.min(u,Math.max(1,h))}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,n=this.config,a=n.liveSyncDuration,s=n.liveSyncDurationCount,o=n.lowLatencyMode,l=this.hls.userConfig,u=o&&r||e;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==a?a:s*i);var h=i;return u+Math.min(1*this.stallCount,h)}},{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,n=t-e-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 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}}])&&Kr(e.prototype,r),i&&Kr(e,i),t}();function Hr(t,e){for(var r=0;re)return i;return 0}},{key:"maxAutoLevel",get:function(){var t=this.levels,e=this.autoLevelCapping;return-1===e&&t&&t.length?t.length-1:e}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(t){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,t)}},{key:"audioTracks",get:function(){var t=this.audioTrackController;return t?t.audioTracks:[]}},{key:"audioTrack",get:function(){var t=this.audioTrackController;return t?t.audioTrack:-1},set:function(t){var e=this.audioTrackController;e&&(e.audioTrack=t)}},{key:"subtitleTracks",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTrack:-1},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleTrack=t)}},{key:"media",get:function(){return this._media}},{key:"subtitleDisplay",get:function(){var t=this.subtitleTrackController;return!!t&&t.subtitleDisplay},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleDisplay=t)}},{key:"lowLatencyMode",get:function(){return this.config.lowLatencyMode},set:function(t){this.config.lowLatencyMode=t}},{key:"liveSyncPosition",get:function(){return this.latencyController.liveSyncPosition}},{key:"latency",get:function(){return this.latencyController.latency}},{key:"maxLatency",get:function(){return this.latencyController.maxLatency}},{key:"targetLatency",get:function(){return this.latencyController.targetLatency}},{key:"drift",get:function(){return this.latencyController.drift}},{key:"forceStartLoad",get:function(){return this.streamController.forceStartLoad}}])&&Hr(e.prototype,r),a&&Hr(e,a),t}();Vr.defaultConfig=void 0}]).default})); +//# sourceMappingURL=hls.min.js.map \ No newline at end of file