From b398136742f9b784b2d5c8b5baa9f25a3560b5a0 Mon Sep 17 00:00:00 2001 From: Frank Moskal Date: Sun, 12 Jun 2022 17:11:39 +0000 Subject: [PATCH] update hls.js to v1.1.5 (#636) --- public/js/hls.light.min.js | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/public/js/hls.light.min.js b/public/js/hls.light.min.js index af4758a..2dcaa72 100644 --- a/public/js/hls.light.min.js +++ b/public/js/hls.light.min.js @@ -1,5 +1,5 @@ // @license http://www.apache.org/licenses/LICENSE-2.0 Apache-2.0 // @source https://github.com/video-dev/hls.js -// @version v1.0.6 -"undefined"!=typeof window&&function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.Hls=e():t.Hls=e()}(this,(function(){return function(t){var e={};function r(i){if(e[i])return e[i].exports;var a=e[i]={i:i,l:!1,exports:{}};return t[i].call(a.exports,a,a.exports,r),a.l=!0,a.exports}return 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s=X(a.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){a.data=l.getAvcDecryptedUnit(s,o),n||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 a=t[e].units;!(r>=a.length);r++){var n=a[r];if(!(n.data.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,i,n,s),!s)return}}}},t}(),U={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&&c.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((_=A+5+e[A+4])===A+188)continue}else _=A+4;switch(D){case f:R&&(v&&(o=V(v))&&this.parseAVCPES(o,!1),v={data:[],size:0}),v&&(v.data.push(e.subarray(_,A+188)),v.size+=A+188-_);break;case g:R&&(m&&(o=V(m))&&(d.isAAC?this.parseAACPES(o):this.parseMPEGPES(o)),m={data:[],size:0}),m&&(m.data.push(e.subarray(_,A+188)),m.size+=A+188-_);break;case p:R&&(y&&(o=V(y))&&this.parseID3PES(o),y={data:[],size:0}),y&&(y.data.push(e.subarray(_,A+188)),y.size+=A+188-_);break;case 0:R&&(_+=e[_]+1),E=this._pmtId=K(e,_);break;case E:R&&(_+=e[_]+1);var k=H(e,_,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,n);(f=k.avc)>0&&(u.pid=f),(g=k.audio)>0&&(d.pid=g,d.isAAC=k.isAAC),(p=k.id3)>0&&(h.pid=p),b&&!T&&(c.b.log("reparse from beginning"),b=!1,A=L-188),T=this.pmtParsed=!0;break;case 17:case 8191:break;default:b=!0}}else this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});u.pesData=v,d.pesData=m,h.pesData=y;var x={audioTrack:d,avcTrack:u,id3Track:h,textTrack:this._txtTrack};return s&&this.extractRemainingSamples(x),x},e.flush=function(){var t,e=this.remainderData;return this.remainderData=null,t=e?this.demux(e,-1,!1,!0):{audioTrack:this._audioTrack,avcTrack:this._avcTrack,textTrack:this._txtTrack,id3Track:this._id3Track},this.extractRemainingSamples(t),this.sampleAes?this.decrypt(t,this.sampleAes):t},e.extractRemainingSamples=function(t){var e,r=t.audioTrack,i=t.avcTrack,a=t.id3Track,n=i.pesData,s=r.pesData,o=a.pesData;n&&(e=V(n))?(this.parseAVCPES(e,!0),i.pesData=null):i.pesData=n,s&&(e=V(s))?(r.isAAC?this.parseAACPES(e):this.parseMPEGPES(e),r.pesData=null):(null!=s&&s.size&&c.b.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=s),o&&(e=V(o))?(this.parseID3PES(e),a.pesData=null):a.pesData=o},e.demuxSampleAes=function(t,e,r){var i=this.demux(t,r,!0,!this.config.progressive),a=this.sampleAes=new B(this.observer,this.config,e);return this.decrypt(i,a)},e.decrypt=function(t,e){return new Promise((function(r){var i=t.audioTrack,a=t.avcTrack;i.samples&&i.isAAC?e.decryptAacSamples(i.samples,0,(function(){a.samples?e.decryptAvcSamples(a.samples,0,0,(function(){r(t)})):r(t)})):a.samples&&e.decryptAvcSamples(a.samples,0,0,(function(){r(t)}))}))},e.destroy=function(){this._initPTS=this._initDTS=null,this._duration=0},e.parseAVCPES=function(t,e){var r,i=this,a=this._avcTrack,n=this.parseAVCNALu(t.data),s=this.avcSample,l=!1;t.data=null,s&&n.length&&!a.audFound&&(W(s,a),s=this.avcSample=j(!1,t.pts,t.dts,"")),n.forEach((function(e){switch(e.type){case 1:r=!0,s||(s=i.avcSample=j(!0,t.pts,t.dts,"")),s.frame=!0;var n=e.data;if(l&&n.length>4){var u=new N(n).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(s.key=!0)}break;case 5:r=!0,s||(s=i.avcSample=j(!0,t.pts,t.dts,"")),s.key=!0,s.frame=!0;break;case 6:r=!0;var d=new N(X(e.data));d.readUByte();for(var h=0,f=0,c=!1,v=0;!c&&d.bytesAvailable>1;){h=0;do{h+=v=d.readUByte()}while(255===v);f=0;do{f+=v=d.readUByte()}while(255===v);if(4===h&&0!==d.bytesAvailable){if(c=!0,181===d.readUByte())if(49===d.readUShort())if(1195456820===d.readUInt())if(3===d.readUByte()){for(var g=d.readUByte(),p=31&g,m=[g,d.readUByte()],y=0;y16){for(var b=[],T=0;T<16;T++)b.push(d.readUByte().toString(16)),3!==T&&5!==T&&7!==T&&9!==T||b.push("-");for(var E=f-16,S=new Uint8Array(E),L=0;L=0){var h={data:t.subarray(u,l-n-1),type:d};o.push(h)}else{var f=this.getLastNalUnit();if(f&&(s&&l<=4-s&&f.state&&(f.data=f.data.subarray(0,f.data.byteLength-s)),(r=l-n-1)>0)){var c=new Uint8Array(f.data.byteLength+r);c.set(f.data,0),c.set(t.subarray(0,r),f.data.byteLength),f.data=c}}l=0&&n>=0){var v={data:t.subarray(u,i),type:d,state:n};o.push(v)}if(0===o.length){var g=this.getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+t.byteLength);p.set(g.data,0),p.set(t,g.data.byteLength),g.data=p}}return a.naluState=n,o},e.parseAACPES=function(t){var e,r,n,s,o,l=0,u=this._audioTrack,d=this.aacOverFlow,h=t.data;if(d){this.aacOverFlow=null;var f=d.sample.unit.byteLength,v=Math.min(d.missing,f),g=f-v;d.sample.unit.set(h.subarray(0,v),g),u.samples.push(d.sample),l=d.missing}for(e=l,r=h.length;e1;){var l=new Uint8Array(o[0].length+o[1].length);l.set(o[0]),l.set(o[1],o[0].length),o[0]=l,o.splice(1,1)}if(1===((e=o[0])[0]<<16)+(e[1]<<8)+e[2]){if((r=(e[4]<<8)+e[5])&&r>t.size-6)return null;var u=e[7];192&u&&(a=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&u?a-(n=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2)>54e5&&(c.b.warn(Math.round((a-n)/9e4)+"s delta between PTS and DTS, align them"),a=n):n=a);var d=(i=e[8])+9;if(t.size<=d)return null;t.size-=d;for(var h=new Uint8Array(t.size),f=0,v=o.length;fg){d-=g;continue}e=e.subarray(d),g-=d,d=0}h.set(e,s),s+=g}return r&&(r-=i+3),{data:h,pts:a,dts:n,len:r}}return null}function W(t,e){if(t.units.length&&t.frame){if(void 0===t.pts){var r=e.samples,i=r.length;if(!i)return void e.dropped++;var a=r[i-1];t.pts=a.pts,t.dts=a.dts}e.samples.push(t)}t.debug.length&&c.b.log(t.pts+"/"+t.dts+":"+t.debug)}function Y(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts1?r-1:0),a=1;a>24&255,o[1]=e>>16&255,o[2]=e>>8&255,o[3]=255&e,o.set(t,4),n=0,e=8;n>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var i=Math.floor(r/(J+1)),a=Math.floor(r%(J+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,n)},t.sdtp=function(e){var r,i,a=e.samples||[],n=new Uint8Array(4+a.length);for(r=0;r>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255),s.push(255&a),s=s.concat(Array.prototype.slice.call(i));var o=t.box(t.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|e.sps.length].concat(n).concat([e.pps.length]).concat(s))),l=e.width,u=e.height,d=e.pixelRatio[0],h=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,h>>24,h>>16&255,h>>8&255,255&h])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,i=e.duration*e.timescale,a=e.width,n=e.height,s=Math.floor(i/(J+1)),o=Math.floor(i%(J+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},t.traf=function(e,r){var i=t.sdtp(e),a=e.id,n=Math.floor(r/(J+1)),s=Math.floor(r%(J+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),t.trun(e,i.length+16+20+8+16+8+8),i)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,r){var i,a,n,s,o,l,u=e.samples||[],d=u.length,h=12+16*d,f=new Uint8Array(h);for(r+=8+h,f.set([0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return t.box(t.types.trun,f)},t.initSegment=function(e){t.types||t.init();var r=t.moov(e),i=new Uint8Array(t.FTYP.byteLength+r.byteLength);return i.set(t.FTYP),i.set(r,t.FTYP.byteLength),i},t}();tt.types=void 0,tt.HDLR_TYPES=void 0,tt.STTS=void 0,tt.STSC=void 0,tt.STCO=void 0,tt.STSZ=void 0,tt.VMHD=void 0,tt.SMHD=void 0,tt.STSD=void 0,tt.FTYP=void 0,tt.DINF=void 0;var et=tt,rt=r(4);function it(t,e,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=t*e*r;return i?Math.round(a):a}function at(t,e){return void 0===e&&(e=!1),it(t,1e3,1/9e4,e)}function nt(){return(nt=Object.assign||function(t){for(var e=1;e0?t:r.pts}),t[0].pts);return e&&c.b.debug("PTS rollover detected"),r},e.remux=function(t,e,r,i,a,n,s,o){var l,u,d,h,f,v,g=a,p=a,m=t.pid>-1,y=e.pid>-1,b=e.samples.length,T=t.samples.length>0,E=b>1;if((!m||T)&&(!y||E)||this.ISGenerated||s){this.ISGenerated||(d=this.generateIS(t,e,a));var S=this.isVideoContiguous,L=-1;if(E&&(L=function(t){for(var e=0;e0){c.b.warn("[mp4-remuxer]: Dropped "+L+" out of "+b+" video samples due to a missing keyframe");var A=this.getVideoStartPts(e.samples);e.samples=e.samples.slice(L),e.dropped+=L,p+=(e.samples[0].pts-A)/(e.timescale||9e4)}else-1===L&&(c.b.warn("[mp4-remuxer]: No keyframe found out of "+b+" video samples"),v=!1);if(this.ISGenerated){if(T&&E){var R=this.getVideoStartPts(e.samples),D=(dt(t.samples[0].pts,R)-R)/e.inputTimeScale;g+=Math.max(0,D),p+=Math.max(0,-D)}if(T){if(t.samplerate||(c.b.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),d=this.generateIS(t,e,a)),u=this.remuxAudio(t,g,this.isAudioContiguous,n,y||E||o===rt.b.AUDIO?p:void 0),E){var _=u?u.endPTS-u.startPTS:0;e.inputTimeScale||(c.b.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),d=this.generateIS(t,e,a)),l=this.remuxVideo(e,p,S,_)}}else E&&(l=this.remuxVideo(e,p,S,0));l&&(l.firstKeyFrame=L,l.independent=-1!==L)}}return this.ISGenerated&&(r.samples.length&&(f=this.remuxID3(r,a)),i.samples.length&&(h=this.remuxText(i,a))),{audio:u,video:l,initSegment:d,independent:v,text:h,id3:f}},e.generateIS=function(t,e,r){var i,a,n,o=t.samples,l=e.samples,u=this.typeSupported,d={},h=!Object(s.a)(this._initPTS),f="audio/mp4";if(h&&(i=a=1/0),t.config&&o.length&&(t.timescale=t.samplerate,t.isAAC||(u.mpeg?(f="audio/mpeg",t.codec=""):u.mp3&&(t.codec="mp3")),d.audio={id:"audio",container:f,codec:t.codec,initSegment:!t.isAAC&&u.mpeg?new Uint8Array(0):et.initSegment([t]),metadata:{channelCount:t.channelCount}},h&&(n=t.inputTimeScale,i=a=o[0].pts-Math.round(n*r))),e.sps&&e.pps&&l.length&&(e.timescale=e.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:e.codec,initSegment:et.initSegment([e]),metadata:{width:e.width,height:e.height}},h)){n=e.inputTimeScale;var c=this.getVideoStartPts(l),v=Math.round(n*r);a=Math.min(a,dt(l[0].dts,c)-v),i=Math.min(i,c-v)}if(Object.keys(d).length)return this.ISGenerated=!0,h&&(this._initPTS=i,this._initDTS=a),{tracks:d,initPTS:i,timescale:n}},e.remuxVideo=function(t,e,r,n){var s,o,l,u=t.inputTimeScale,d=t.samples,h=[],f=d.length,v=this._initPTS,g=this.nextAvcDts,p=8,m=Number.POSITIVE_INFINITY,y=Number.NEGATIVE_INFINITY,b=0,T=!1;r&&null!==g||(g=e*u-(d[0].pts-dt(d[0].dts,d[0].pts)));for(var E=0;ES.pts){b=Math.max(Math.min(b,S.pts-S.dts),-18e3)}S.dts0?E-1:E].dts&&(T=!0)}T&&d.sort((function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||i})),o=d[0].dts,l=d[d.length-1].dts;var L=Math.round((l-o)/(f-1));if(b<0){if(b<-2*L){c.b.warn("PTS < DTS detected in video samples, offsetting DTS from PTS by "+at(-L,!0)+" ms");for(var A=b,R=0;RL;if(k||_<-1){k?c.b.warn("AVC: "+at(_,!0)+" ms ("+_+"dts) hole between fragments detected, filling it"):c.b.warn("AVC: "+at(-_,!0)+" ms ("+_+"dts) overlapping between fragments detected"),o=g;var x=d[0].pts-_;d[0].dts=o,d[0].pts=x,c.b.log("Video: First PTS/DTS adjusted: "+at(x,!0)+"/"+at(o,!0)+", delta: "+at(_,!0)+" ms")}}lt&&(o=Math.max(0,o));for(var w=0,C=0,O=0;O0?j-1:j].dts;if(Q.stretchShortVideoTrack&&null!==this.nextAudioPts){var Z=Math.floor(Q.maxBufferHole*u),J=(n?m+n*u:this.nextAudioPts)-K.pts;J>Z?((s=J-$)<0&&(s=$),c.b.log("[mp4-remuxer]: It is approximately "+J/90+" ms to the next segment; using duration "+s/90+" ms for the last video frame.")):s=$}else s=$}var tt=Math.round(K.pts-K.dts);h.push(new ht(K.key,s,V,tt))}if(h.length&&st&&st<70){var rt=h[0].flags;rt.dependsOn=2,rt.isNonSync=0}this.nextAvcDts=g=l+s,this.isVideoContiguous=!0;var it={data1:et.moof(t.sequenceNumber++,o,nt({},t,{samples:h})),data2:B,startPTS:m/u,endPTS:(y+s)/u,startDTS:o/u,endDTS:g/u,type:"video",hasAudio:!1,hasVideo:!0,nb:h.length,dropped:t.dropped};return t.samples=[],t.dropped=0,it},e.remuxAudio=function(t,e,r,n,s){var o=t.inputTimeScale,l=o/(t.samplerate?t.samplerate:o),u=t.isAAC?1024:1152,d=u*l,h=this._initPTS,f=!t.isAAC&&this.typeSupported.mpeg,v=[],g=t.samples,p=f?0:8,m=this.nextAudioPts||-1,y=e*o;if(this.isAudioContiguous=r=r||g.length&&m>0&&(n&&Math.abs(y-m)<9e3||Math.abs(dt(g[0].pts-h,y)-m)<20*d),g.forEach((function(t){t.pts=dt(t.pts-h,y)})),!r||m<0){if(!(g=g.filter((function(t){return t.pts>=0}))).length)return;m=0===s?0:n?Math.max(0,y):g[0].pts}if(t.isAAC)for(var b=void 0!==s,T=this.config.maxAudioFramesDrift,E=0,S=m;E=T*d&&D<1e4&&b){var _=Math.round(R/d);(S=A-_*d)<0&&(_--,S+=d),0===E&&(this.nextAudioPts=m=S),c.b.warn("[mp4-remuxer]: Injecting "+_+" audio frame @ "+(S/o).toFixed(3)+"s due to "+Math.round(1e3*R/o)+" ms gap.");for(var k=0;k<_;k++){var x=Math.max(S,0),w=Z.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);w||(c.b.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),w=L.unit.subarray()),g.splice(E,0,{unit:w,pts:x}),S+=d,E++}}L.pts=S,S+=d}for(var C,O=null,I=null,P=0,F=g.length;F--;)P+=g[F].unit.byteLength;for(var M=0,N=g.length;M0))return;P+=p;try{C=new Uint8Array(P)}catch(t){return void this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:P,reason:"fail allocating audio mdat "+P})}f||(new DataView(C.buffer).setUint32(0,P),C.set(et.types.mdat,4))}C.set(U,p);var j=U.byteLength;p+=j,v.push(new ht(!0,u,j,0)),I=G}var K=v.length;if(K){var H=v[v.length-1];this.nextAudioPts=m=I+l*H.duration;var V=f?new Uint8Array(0):et.moof(t.sequenceNumber++,O/l,nt({},t,{samples:v}));t.samples=[];var W=O/o,Y=m/o,X={data1:V,data2:C,startPTS:W,endPTS:Y,startDTS:W,endDTS:Y,type:"audio",hasAudio:!0,hasVideo:!1,nb:K};return this.isAudioContiguous=!0,X}},e.remuxEmptyAudio=function(t,e,r,i){var a=t.inputTimeScale,n=a/(t.samplerate?t.samplerate:a),s=this.nextAudioPts,o=(null!==s?s:i.startDTS*a)+this._initDTS,l=i.endDTS*a+this._initDTS,u=1024*n,d=Math.ceil((l-o)/u),h=Z.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(c.b.warn("[mp4-remuxer]: remux empty Audio"),h){for(var f=[],v=0;v4294967296;)t+=r;return t}var ht=function(t,e,r,i){this.size=void 0,this.duration=void 0,this.cts=void 0,this.flags=void 0,this.duration=e,this.size=r,this.cts=i,this.flags=new ft(t)},ft=function(t){this.isLeading=0,this.isDependedOn=0,this.hasRedundancy=0,this.degradPrio=0,this.dependsOn=1,this.isNonSync=1,this.dependsOn=t?2:1,this.isNonSync=t?0:1},ct=r(5),vt=function(){function t(){this.emitInitSegment=!1,this.audioCodec=void 0,this.videoCodec=void 0,this.initData=void 0,this.initPTS=void 0,this.initTracks=void 0,this.lastEndDTS=null}var e=t.prototype;return e.destroy=function(){},e.resetTimeStamp=function(t){this.initPTS=t,this.lastEndDTS=null},e.resetNextTimestamp=function(){this.lastEndDTS=null},e.resetInitSegment=function(t,e,r){this.audioCodec=e,this.videoCodec=r,this.generateInitSegment(t),this.emitInitSegment=!0},e.generateInitSegment=function(t){var e=this.audioCodec,r=this.videoCodec;if(!t||!t.byteLength)return this.initTracks=void 0,void(this.initData=void 0);var i=this.initData=Object(l.f)(t);e||(e=pt(i.audio,ct.a.AUDIO)),r||(r=pt(i.video,ct.a.VIDEO));var a={};i.audio&&i.video?a.audiovideo={container:"video/mp4",codec:e+","+r,initSegment:t,id:"main"}:i.audio?a.audio={container:"audio/mp4",codec:e,initSegment:t,id:"audio"}:i.video?a.video={container:"video/mp4",codec:r,initSegment:t,id:"main"}:c.b.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=a},e.remux=function(t,e,r,i,a){var n=this.initPTS,o=this.lastEndDTS,u={audio:void 0,video:void 0,text:i,id3:r,initSegment:void 0};Object(s.a)(o)||(o=this.lastEndDTS=a||0);var d=e.samples;if(!d||!d.length)return u;var h={initPTS:void 0,timescale:1},f=this.initData;if(f&&f.length||(this.generateInitSegment(d),f=this.initData),!f||!f.length)return c.b.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),u;this.emitInitSegment&&(h.tracks=this.initTracks,this.emitInitSegment=!1),Object(s.a)(n)||(this.initPTS=h.initPTS=n=gt(f,d,o));var v=Object(l.c)(d,f),g=o,p=v+g;Object(l.e)(f,d,n),v>0?this.lastEndDTS=p:(c.b.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var m=!!f.audio,y=!!f.video,b="";m&&(b+="audio"),y&&(b+="video");var T={data1:d,startPTS:g,startDTS:g,endPTS:p,endDTS:p,type:b,hasAudio:m,hasVideo:y,nb:1,dropped:0};return u.audio="audio"===T.type?T:void 0,u.video="audio"!==T.type?T:void 0,u.text=i,u.id3=r,u.initSegment=h,u},t}(),gt=function(t,e,r){return Object(l.d)(t,e)-r};function pt(t,e){var r=null==t?void 0:t.codec;return r&&r.length>4?r:"hvc1"===r?"hvc1.1.c.L120.90":"av01"===r?"av01.0.04M.08":"avc1"===r||e===ct.a.VIDEO?"avc1.42e01e":"mp4a.40.5"}var mt,yt=vt,bt=r(16);try{mt=self.performance.now.bind(self.performance)}catch(t){c.b.debug("Unable to use Performance API on this environment"),mt=self.Date.now}var Tt=[{demux:q,remux:ut},{demux:D,remux:yt},{demux:A,remux:ut},{demux:$,remux:ut}],Et=1024;Tt.forEach((function(t){var e=t.demux;Et=Math.max(Et,e.minProbeByteLength)}));var St=function(){function t(t,e,r,i,a){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 0,this.decryptionPromise=null,this.transmuxConfig=void 0,this.currentTransmuxState=void 0,this.cache=new bt.a,this.observer=t,this.typeSupported=e,this.config=r,this.vendor=i,this.id=a}var e=t.prototype;return e.configure=function(t){this.transmuxConfig=t,this.decrypter&&this.decrypter.reset()},e.push=function(t,e,r,i){var a=this,n=r.transmuxing;n.executeStart=mt();var s=new Uint8Array(t),o=this.cache,u=this.config,d=this.currentTransmuxState,h=this.transmuxConfig;i&&(this.currentTransmuxState=i);var f=function(t,e){var r=null;t.byteLength>0&&null!=e&&null!=e.key&&null!==e.iv&&null!=e.method&&(r=e);return r}(s,e);if(f&&"AES-128"===f.method){var c=this.getDecrypter();if(!u.enableSoftwareAES)return this.decryptionPromise=c.webCryptoDecrypt(s,f.key.buffer,f.iv.buffer).then((function(t){var e=a.push(t,null,r);return a.decryptionPromise=null,e})),this.decryptionPromise;var v=c.softwareDecrypt(s,f.key.buffer,f.iv.buffer);if(!v)return n.executeEnd=mt(),Lt(r);s=new Uint8Array(v)}var g=i||d,p=g.contiguous,m=g.discontinuity,y=g.trackSwitch,b=g.accurateTimeOffset,T=g.timeOffset,E=h.audioCodec,S=h.videoCodec,L=h.defaultInitPts,A=h.duration,R=h.initSegmentData;if((m||y)&&this.resetInitSegment(R,E,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,h)}var _=this.transmux(s,f,T,b,r),k=this.currentTransmuxState;return k.contiguous=!0,k.discontinuity=!1,k.trackSwitch=!1,n.executeEnd=mt(),_},e.flush=function(t){var e=this,r=t.transmuxing;r.executeStart=mt();var n=this.decrypter,s=this.cache,o=this.currentTransmuxState,l=this.decryptionPromise;if(l)return l.then((function(){return e.flush(t)}));var u=[],d=o.timeOffset;if(n){var h=n.flush();h&&u.push(this.push(h,null,t))}var f=s.dataLength;s.reset();var c=this.demuxer,v=this.remuxer;if(!c||!v)return f>=Et&&this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=mt(),[Lt(t)];var g=c.flush(d);return At(g)?g.then((function(r){return e.flushRemux(u,r,t),u})):(this.flushRemux(u,g,t),u)},e.flushRemux=function(t,e,r){var i=e.audioTrack,a=e.avcTrack,n=e.id3Track,s=e.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;c.b.log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var d=this.remuxer.remux(i,a,n,s,u,l,!0,this.id);t.push({remuxResult:d,chunkMeta:r}),r.transmuxing.executeEnd=mt()},e.resetInitialTimestamp=function(t){var e=this.demuxer,r=this.remuxer;e&&r&&(e.resetTimeStamp(t),r.resetTimeStamp(t))},e.resetContiguity=function(){var t=this.demuxer,e=this.remuxer;t&&e&&(t.resetContiguity(),e.resetNextTimestamp())},e.resetInitSegment=function(t,e,r,i){var a=this.demuxer,n=this.remuxer;a&&n&&(a.resetInitSegment(e,r,i),n.resetInitSegment(t,e,r))},e.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},e.transmux=function(t,e,r,i,a){return e&&"SAMPLE-AES"===e.method?this.transmuxSampleAes(t,e,r,i,a):this.transmuxUnencrypted(t,r,i,a)},e.transmuxUnencrypted=function(t,e,r,i){var a=this.demuxer.demux(t,e,!1,!this.config.progressive),n=a.audioTrack,s=a.avcTrack,o=a.id3Track,l=a.textTrack;return{remuxResult:this.remuxer.remux(n,s,o,l,e,r,!1,this.id),chunkMeta:i}},e.transmuxSampleAes=function(t,e,r,i,a){var n=this;return this.demuxer.demuxSampleAes(t,e,r).then((function(t){return{remuxResult:n.remuxer.remux(t.audioTrack,t.avcTrack,t.id3Track,t.textTrack,r,i,!1,n.id),chunkMeta:a}}))},e.configureTransmuxer=function(t,e){for(var r,i=this.config,a=this.observer,n=this.typeSupported,s=this.vendor,o=e.audioCodec,l=e.defaultInitPts,u=e.duration,d=e.initSegmentData,h=e.videoCodec,f=0,v=Tt.length;f>>8^255&p^99,t[c]=p,e[p]=c;var m=f[c],y=f[m],b=f[y],T=257*f[p]^16843008*p;i[c]=T<<24|T>>>8,a[c]=T<<16|T>>>16,n[c]=T<<8|T>>>24,s[c]=T,T=16843009*b^65537*y^257*m^16843008*c,l[p]=T<<24|T>>>8,u[p]=T<<16|T>>>16,d[p]=T<<8|T>>>24,h[p]=T,c?(c=m^f[f[f[b^m]]],v^=f[f[v]]):c=v=1}},e.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;i0}),!1)}t.exports=function(t,e){e=e||{};var a={main:r.m},o=e.all?{main:Object.keys(a.main)}:function(t,e){for(var r={main:[e]},i={main:[]},a={main:{}};s(r);)for(var o=Object.keys(r),l=0;lt.endSN||e>0||0===e&&r>0,this.updated||this.advanced?this.misses=Math.floor(.6*t.misses):this.misses=t.misses+1,this.availabilityDelay=t.availabilityDelay},e=t,(r=[{key:"hasProgramDateTime",get:function(){return!!this.fragments.length&&Object(a.a)(this.fragments[this.fragments.length-1].programDateTime)}},{key:"levelTargetDuration",get:function(){return this.averagetargetduration||this.targetduration||10}},{key:"drift",get:function(){var t=this.driftEndTime-this.driftStartTime;return t>0?1e3*(this.driftEnd-this.driftStart)/t:1}},{key:"edge",get:function(){return this.partEnd||this.fragmentEnd}},{key:"partEnd",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].end:this.fragmentEnd}},{key:"fragmentEnd",get:function(){var t;return null!==(t=this.fragments)&&void 0!==t&&t.length?this.fragments[this.fragments.length-1].end:0}},{key:"age",get:function(){return this.advancedDateTime?Math.max(Date.now()-this.advancedDateTime,0)/1e3:0}},{key:"lastPartIndex",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].index:-1}},{key:"lastPartSn",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].fragment.sn:this.endSN}}])&&d(e.prototype,r),i&&d(e,i),t}(),f=r(15),c=/^(\d+)x(\d+)$/,v=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,g=function(){function t(e){for(var r in"string"==typeof e&&(e=t.parseAttrList(e)),e)e.hasOwnProperty(r)&&(this[r]=e[r])}var e=t.prototype;return e.decimalInteger=function(t){var e=parseInt(this[t],10);return e>Number.MAX_SAFE_INTEGER?1/0:e},e.hexadecimalInteger=function(t){if(this[t]){var e=(this[t]||"0x").slice(2);e=(1&e.length?"0":"")+e;for(var r=new Uint8Array(e.length/2),i=0;iNumber.MAX_SAFE_INTEGER?1/0:e},e.decimalFloatingPoint=function(t){return parseFloat(this[t])},e.optionalFloat=function(t,e){var r=this[t];return r?parseFloat(r):e},e.enumeratedString=function(t){return this[t]},e.bool=function(t){return"YES"===this[t]},e.decimalResolution=function(t){var e=c.exec(this[t]);if(null!==e)return{width:parseInt(e[1],10),height:parseInt(e[2],10)}},t.parseAttrList=function(t){var e,r={};for(v.lastIndex=0;null!==(e=v.exec(t));){var i=e[2];0===i.indexOf('"')&&i.lastIndexOf('"')===i.length-1&&(i=i.slice(1,-1)),r[e[1]]=i}return r},t}(),p={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,av01:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0},text:{stpp:!0,wvtt:!0}};function m(t,e){return MediaSource.isTypeSupported((e||"video")+'/mp4;codecs="'+t+'"')}var y=/#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-SESSION-DATA:([^\r\n]*)[\r\n]+/g,b=/#EXT-X-MEDIA:(.*)/g,T=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/(?!#) *(\S[\S ]*)/.source,/#EXT-X-BYTERANGE:*(.+)/.source,/#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/#.*/.source].join("|"),"g"),E=new RegExp([/#(EXTM3U)/.source,/#EXT-X-(PLAYLIST-TYPE):(.+)/.source,/#EXT-X-(MEDIA-SEQUENCE): *(\d+)/.source,/#EXT-X-(SKIP):(.+)/.source,/#EXT-X-(TARGETDURATION): *(\d+)/.source,/#EXT-X-(KEY):(.+)/.source,/#EXT-X-(START):(.+)/.source,/#EXT-X-(ENDLIST)/.source,/#EXT-X-(DISCONTINUITY-SEQ)UENCE: *(\d+)/.source,/#EXT-X-(DIS)CONTINUITY/.source,/#EXT-X-(VERSION):(\d+)/.source,/#EXT-X-(MAP):(.+)/.source,/#EXT-X-(SERVER-CONTROL):(.+)/.source,/#EXT-X-(PART-INF):(.+)/.source,/#EXT-X-(GAP)/.source,/#EXT-X-(BITRATE):\s*(\d+)/.source,/#EXT-X-(PART):(.+)/.source,/#EXT-X-(PRELOAD-HINT):(.+)/.source,/#EXT-X-(RENDITION-REPORT):(.+)/.source,/(#)([^:]*):(.*)/.source,/(#)(.*)(?:.*)\r?\n?/.source].join("|")),S=/\.(mp4|m4s|m4v|m4a)$/i;var L=function(){function t(){}return t.findGroup=function(t,e){for(var r=0;r2){var r=e.shift()+".";return r+=parseInt(e.shift()).toString(16),r+=("000"+parseInt(e.shift()).toString(16)).substr(-4)}return t},t.resolve=function(t,e){return i.buildAbsoluteURL(e,t,{alwaysNormalize:!0})},t.parseMasterPlaylist=function(e,r){var i,a=[],n={},s=!1;for(y.lastIndex=0;null!=(i=y.exec(e));)if(i[1]){var o=new g(i[1]),l={attrs:o,bitrate:o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),name:o.NAME,url:t.resolve(i[2],r)},u=o.decimalResolution("RESOLUTION");u&&(l.width=u.width,l.height=u.height),A((o.CODECS||"").split(/[ ,]+/).filter((function(t){return t})),l),l.videoCodec&&-1!==l.videoCodec.indexOf("avc1")&&(l.videoCodec=t.convertAVC1ToAVCOTI(l.videoCodec)),a.push(l)}else if(i[3]){var d=new g(i[3]);d["DATA-ID"]&&(s=!0,n[d["DATA-ID"]]=d)}return{levels:a,sessionData:s?n:null}},t.parseMasterPlaylistMedia=function(e,r,i,a){var n;void 0===a&&(a=[]);var s=[],o=0;for(b.lastIndex=0;null!==(n=b.exec(e));){var l=new g(n[1]);if(l.TYPE===i){var u={attrs:l,bitrate:0,id:o++,groupId:l["GROUP-ID"],instreamId:l["INSTREAM-ID"],name:l.NAME||l.LANGUAGE||"",type:i,default:l.bool("DEFAULT"),autoselect:l.bool("AUTOSELECT"),forced:l.bool("FORCED"),lang:l.LANGUAGE,url:l.URI?t.resolve(l.URI,r):""};if(a.length){var d=t.findGroup(a,u.groupId)||a[0];R(u,d,"audioCodec"),R(u,d,"textCodec")}s.push(u)}}return s},t.parseLevelPlaylist=function(t,e,r,n,s){var l,d,c,v=new h(e),p=v.fragments,m=null,y=0,b=0,L=0,A=0,R=null,_=new u.b(n,e),k=-1,x=!1;for(T.lastIndex=0,v.m3u8=t;null!==(l=T.exec(t));){x&&(x=!1,(_=new u.b(n,e)).start=L,_.sn=y,_.cc=A,_.level=r,m&&(_.initSegment=m,_.rawProgramDateTime=m.rawProgramDateTime));var w=l[1];if(w){_.duration=parseFloat(w);var C=(" "+l[2]).slice(1);_.title=C||null,_.tagList.push(C?["INF",w,C]:["INF",w])}else if(l[3])Object(a.a)(_.duration)&&(_.start=L,c&&(_.levelkey=c),_.sn=y,_.level=r,_.cc=A,_.urlId=s,p.push(_),_.relurl=(" "+l[3]).slice(1),D(_,R),R=_,L+=_.duration,y++,b=0,x=!0);else if(l[4]){var O=(" "+l[4]).slice(1);R?_.setByteRange(O,R):_.setByteRange(O)}else if(l[5])_.rawProgramDateTime=(" "+l[5]).slice(1),_.tagList.push(["PROGRAM-DATE-TIME",_.rawProgramDateTime]),-1===k&&(k=p.length);else{if(!(l=l[0].match(E))){o.b.warn("No matches on slow regex match for level playlist!");continue}for(d=1;d-1){o.b.warn("Keyformat "+X+" is not supported from the manifest");continue}if("identity"!==X)continue;K&&(c=f.a.fromURL(e,H),H&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(K)>=0&&(c.method=K,c.keyFormat=X,Y&&(c.keyID=Y),W&&(c.keyFormatVersions=W),c.iv=V));break;case"START":var q=new g(P).decimalFloatingPoint("TIME-OFFSET");Object(a.a)(q)&&(v.startTimeOffset=q);break;case"MAP":var z=new g(P);_.relurl=z.URI,z.BYTERANGE&&_.setByteRange(z.BYTERANGE),_.level=r,_.sn="initSegment",c&&(_.levelkey=c),_.initSegment=null,m=_,x=!0;break;case"SERVER-CONTROL":var Q=new g(P);v.canBlockReload=Q.bool("CAN-BLOCK-RELOAD"),v.canSkipUntil=Q.optionalFloat("CAN-SKIP-UNTIL",0),v.canSkipDateRanges=v.canSkipUntil>0&&Q.bool("CAN-SKIP-DATERANGES"),v.partHoldBack=Q.optionalFloat("PART-HOLD-BACK",0),v.holdBack=Q.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var $=new g(P);v.partTarget=$.decimalFloatingPoint("PART-TARGET");break;case"PART":var Z=v.partList;Z||(Z=v.partList=[]);var J=b>0?Z[Z.length-1]:void 0,tt=b++,et=new u.c(new g(P),_,e,tt,J);Z.push(et),_.duration+=et.duration;break;case"PRELOAD-HINT":var rt=new g(P);v.preloadHint=rt;break;case"RENDITION-REPORT":var it=new g(P);v.renditionReports=v.renditionReports||[],v.renditionReports.push(it);break;default:o.b.warn("line parsed but not handled: "+l)}}}R&&!R.relurl?(p.pop(),L-=R.duration,v.partList&&(v.fragmentHint=R)):v.partList&&(D(_,R),_.cc=A,v.fragmentHint=_);var at=p.length,nt=p[0],st=p[at-1];if((L+=v.skippedSegments*v.targetduration)>0&&at&&st){v.averagetargetduration=L/at;var ot=st.sn;v.endSN="initSegment"!==ot?ot:0,nt&&(v.startCC=nt.cc,nt.initSegment||v.fragments.every((function(t){return t.relurl&&(e=t.relurl,S.test(null!=(r=null===(a=i.parseURL(e))||void 0===a?void 0:a.path)?r:""));var e,r,a}))&&(o.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(_=new u.b(n,e)).relurl=st.relurl,_.level=r,_.sn="initSegment",nt.initSegment=_,v.needSidxRanges=!0))}else v.endSN=0,v.startCC=0;return v.fragmentHint&&(L+=v.fragmentHint.duration),v.totalduration=L,v.endCC=A,k>0&&function(t,e){for(var r=t[e],i=e;i--;){var a=t[i];if(!a)return;a.programDateTime=r.programDateTime-1e3*a.duration,r=a}}(p,k),v},t}();function A(t,e){["video","audio","text"].forEach((function(r){var i=t.filter((function(t){return function(t,e){var r=p[e];return!!r&&!0===r[t.slice(0,4)]}(t,r)}));if(i.length){var a=i.filter((function(t){return 0===t.lastIndexOf("avc1",0)||0===t.lastIndexOf("mp4a",0)}));e[r+"Codec"]=a.length>0?a[0]:i[0],t=t.filter((function(t){return-1===i.indexOf(t)}))}})),e.unknownCodecs=t}function R(t,e,r){var i=e[r];i&&(t[r]=i)}function D(t,e){t.rawProgramDateTime?t.programDateTime=Date.parse(t.rawProgramDateTime):null!=e&&e.programDateTime&&(t.programDateTime=e.endProgramDateTime),Object(a.a)(t.programDateTime)||(t.programDateTime=null,t.rawProgramDateTime=null)}var _=r(4);function k(t,e){var r=t.url;return void 0!==r&&0!==r.indexOf("data:")||(r=e.url),r}var x=function(){function t(t){this.hls=void 0,this.loaders=Object.create(null),this.hls=t,this.registerListeners()}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(n.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(n.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(n.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.on(n.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(n.a.LEVEL_LOADING,this.onLevelLoading,this),t.off(n.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.off(n.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.createInternalLoader=function(t){var e=this.hls.config,r=e.pLoader,i=e.loader,a=new(r||i)(e);return t.loader=a,this.loaders[t.type]=a,a},e.getInternalLoader=function(t){return this.loaders[t.type]},e.resetInternalLoader=function(t){this.loaders[t]&&delete this.loaders[t]},e.destroyInternalLoaders=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy(),this.resetInternalLoader(t)}},e.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},e.onManifestLoading=function(t,e){var r=e.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:_.a.MANIFEST,url:r,deliveryDirectives:null})},e.onLevelLoading=function(t,e){var r=e.id,i=e.level,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:_.a.LEVEL,url:a,deliveryDirectives:n})},e.onAudioTrackLoading=function(t,e){var r=e.id,i=e.groupId,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:_.a.AUDIO_TRACK,url:a,deliveryDirectives:n})},e.onSubtitleTrackLoading=function(t,e){var r=e.id,i=e.groupId,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:_.a.SUBTITLE_TRACK,url:a,deliveryDirectives:n})},e.load=function(t){var e,r,i,a,n,s,l=this.hls.config,u=this.getInternalLoader(t);if(u){var d=u.context;if(d&&d.url===t.url)return void o.b.trace("[playlist-loader]: playlist request ongoing");o.b.log("[playlist-loader]: aborting previous loader for type: "+t.type),u.abort()}switch(t.type){case _.a.MANIFEST:r=l.manifestLoadingMaxRetry,i=l.manifestLoadingTimeOut,a=l.manifestLoadingRetryDelay,n=l.manifestLoadingMaxRetryTimeout;break;case _.a.LEVEL:case _.a.AUDIO_TRACK:case _.a.SUBTITLE_TRACK:r=0,i=l.levelLoadingTimeOut;break;default:r=l.levelLoadingMaxRetry,i=l.levelLoadingTimeOut,a=l.levelLoadingRetryDelay,n=l.levelLoadingMaxRetryTimeout}if((u=this.createInternalLoader(t),null!==(e=t.deliveryDirectives)&&void 0!==e&&e.part)&&(t.type===_.a.LEVEL&&null!==t.level?s=this.hls.levels[t.level].details:t.type===_.a.AUDIO_TRACK&&null!==t.id?s=this.hls.audioTracks[t.id].details:t.type===_.a.SUBTITLE_TRACK&&null!==t.id&&(s=this.hls.subtitleTracks[t.id].details),s)){var h=s.partTarget,f=s.targetduration;h&&f&&(i=Math.min(1e3*Math.max(3*h,.8*f),i))}var c={timeout:i,maxRetry:r,retryDelay:a,maxRetryDelay:n,highWaterMark:0},v={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(t,c,v)},e.loadsuccess=function(t,e,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this.handleSidxRequest(t,r),void this.handlePlaylistLoaded(t,e,r,i);this.resetInternalLoader(r.type);var a=t.data;0===a.indexOf("#EXTM3U")?(e.parsing.start=performance.now(),a.indexOf("#EXTINF:")>0||a.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(t,e,r,i):this.handleMasterPlaylist(t,e,r,i)):this.handleManifestParsingError(t,r,"no EXTM3U delimiter",i)},e.loaderror=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!1,t)},e.loadtimeout=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!0)},e.handleMasterPlaylist=function(t,e,r,i){var a=this.hls,s=t.data,l=k(t,r),u=L.parseMasterPlaylist(s,l),d=u.levels,h=u.sessionData;if(d.length){var f=d.map((function(t){return{id:t.attrs.AUDIO,audioCodec:t.audioCodec}})),c=d.map((function(t){return{id:t.attrs.SUBTITLES,textCodec:t.textCodec}})),v=L.parseMasterPlaylistMedia(s,l,"AUDIO",f),p=L.parseMasterPlaylistMedia(s,l,"SUBTITLES",c),m=L.parseMasterPlaylistMedia(s,l,"CLOSED-CAPTIONS");if(v.length)v.some((function(t){return!t.url}))||!d[0].audioCodec||d[0].attrs.AUDIO||(o.b.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),v.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new g({}),bitrate:0,url:""}));a.trigger(n.a.MANIFEST_LOADED,{levels:d,audioTracks:v,subtitles:p,captions:m,url:l,stats:e,networkDetails:i,sessionData:h})}else this.handleManifestParsingError(t,r,"no level found in manifest",i)},e.handleTrackOrLevelPlaylist=function(t,e,r,i){var o=this.hls,l=r.id,u=r.level,d=r.type,h=k(t,r),f=Object(a.a)(l)?l:0,c=Object(a.a)(u)?u:f,v=function(t){switch(t.type){case _.a.AUDIO_TRACK:return _.b.AUDIO;case _.a.SUBTITLE_TRACK:return _.b.SUBTITLE;default:return _.b.MAIN}}(r),p=L.parseLevelPlaylist(t.data,h,c,v,f);if(p.fragments.length){if(d===_.a.MANIFEST){var m={attrs:new g({}),bitrate:0,details:p,name:"",url:h};o.trigger(n.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:e,networkDetails:i,sessionData:null})}if(e.parsing.end=performance.now(),p.needSidxRanges){var y,b=null===(y=p.fragments[0].initSegment)||void 0===y?void 0:y.url;this.load({url:b,isSidxRequest:!0,type:d,level:u,levelDetails:p,id:l,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else r.levelDetails=p,this.handlePlaylistLoaded(t,e,r,i)}else o.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.LEVEL_EMPTY_ERROR,fatal:!1,url:h,reason:"no fragments found in level",level:"number"==typeof r.level?r.level:void 0})},e.handleSidxRequest=function(t,e){var r=Object(l.g)(new Uint8Array(t.data));if(r){var i=r.references,a=e.levelDetails;i.forEach((function(t,e){var i=t.info,n=a.fragments[e];0===n.byteRange.length&&n.setByteRange(String(1+i.end-i.start)+"@"+String(i.start)),n.initSegment&&n.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}))}},e.handleManifestParsingError=function(t,e,r,i){this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.MANIFEST_PARSING_ERROR,fatal:e.type===_.a.MANIFEST,url:t.url,reason:r,response:t,context:e,networkDetails:i})},e.handleNetworkError=function(t,e,r,i){void 0===r&&(r=!1),o.b.warn("[playlist-loader]: A network "+(r?"timeout":"error")+" occurred while loading "+t.type+" level: "+t.level+" id: "+t.id+' group-id: "'+t.groupId+'"');var a=s.a.UNKNOWN,l=!1,u=this.getInternalLoader(t);switch(t.type){case _.a.MANIFEST:a=r?s.a.MANIFEST_LOAD_TIMEOUT:s.a.MANIFEST_LOAD_ERROR,l=!0;break;case _.a.LEVEL:a=r?s.a.LEVEL_LOAD_TIMEOUT:s.a.LEVEL_LOAD_ERROR,l=!1;break;case _.a.AUDIO_TRACK:a=r?s.a.AUDIO_TRACK_LOAD_TIMEOUT:s.a.AUDIO_TRACK_LOAD_ERROR,l=!1;break;case _.a.SUBTITLE_TRACK:a=r?s.a.SUBTITLE_TRACK_LOAD_TIMEOUT:s.a.SUBTITLE_LOAD_ERROR,l=!1}u&&this.resetInternalLoader(t.type);var d={type:s.b.NETWORK_ERROR,details:a,fatal:l,url:t.url,loader:u,context:t,networkDetails:e};i&&(d.response=i),this.hls.trigger(n.a.ERROR,d)},e.handlePlaylistLoaded=function(t,e,r,i){var a=r.type,s=r.level,o=r.id,l=r.groupId,u=r.loader,d=r.levelDetails,h=r.deliveryDirectives;if(null!=d&&d.targetduration){if(u)switch(d.live&&(u.getCacheAge&&(d.ageHeader=u.getCacheAge()||0),u.getCacheAge&&!isNaN(d.ageHeader)||(d.ageHeader=0)),a){case _.a.MANIFEST:case _.a.LEVEL:this.hls.trigger(n.a.LEVEL_LOADED,{details:d,level:s||0,id:o||0,stats:e,networkDetails:i,deliveryDirectives:h});break;case _.a.AUDIO_TRACK:this.hls.trigger(n.a.AUDIO_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h});break;case _.a.SUBTITLE_TRACK:this.hls.trigger(n.a.SUBTITLE_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h})}}else this.handleManifestParsingError(t,r,"invalid target duration",i)},t}(),w=function(){function t(t){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){this.hls.on(n.a.KEY_LOADING,this.onKeyLoading,this)},e._unregisterListeners=function(){this.hls.off(n.a.KEY_LOADING,this.onKeyLoading)},e.destroy=function(){for(var t in this._unregisterListeners(),this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={}},e.onKeyLoading=function(t,e){var r=e.frag,i=r.type,a=this.loaders[i];if(r.decryptdata){var s=r.decryptdata.uri;if(s!==this.decrypturl||null===this.decryptkey){var l=this.hls.config;if(a&&(o.b.warn("abort previous key loader for type:"+i),a.abort()),!s)return void o.b.warn("key uri is falsy");var u=l.loader,d=r.loader=this.loaders[i]=new u(l);this.decrypturl=s,this.decryptkey=null;var h={url:s,frag:r,responseType:"arraybuffer"},f={timeout:l.fragLoadingTimeOut,maxRetry:0,retryDelay:l.fragLoadingRetryDelay,maxRetryDelay:l.fragLoadingMaxRetryTimeout,highWaterMark:0},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};d.load(h,f,c)}else this.decryptkey&&(r.decryptdata.key=this.decryptkey,this.hls.trigger(n.a.KEY_LOADED,{frag:r}))}else o.b.warn("Missing decryption data on fragment in onKeyLoading")},e.loadsuccess=function(t,e,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(t.data),i.loader=null,delete this.loaders[i.type],this.hls.trigger(n.a.KEY_LOADED,{frag:i})):o.b.error("after key load, decryptdata unset")},e.loaderror=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.loadtimeout=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},t}();function C(t,e){var r;try{r=new Event("addtrack")}catch(t){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=t,e.dispatchEvent(r)}function O(t,e,r){var i=t.mode;if("disabled"===i&&(t.mode="hidden"),t.cues&&t.cues.length>0)for(var a=function(t,e,r){var i=[],a=function(t,e){if(et[r].endTime)return-1;var i=0,a=r;for(;i<=a;){var n=Math.floor((a+i)/2);if(et[n].startTime&&i-1)for(var n=a,s=t.length;n=e&&o.endTime<=r)i.push(o);else if(o.startTime>r)return i}return i}(t.cues,e,r),n=0;n.05&&this.forwardBufferLength>1){var u=Math.min(2,Math.max(1,n)),d=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;t.playbackRate=Math.min(u,Math.max(1,d))}else 1!==t.playbackRate&&0!==t.playbackRate&&(t.playbackRate=1)}}}}},a.estimateLiveEdge=function(){var t=this.levelDetails;return null===t?null:t.edge+t.age},a.computeLatency=function(){var t=this.estimateLiveEdge();return null===t?null:t-this.currentTime},e=t,(r=[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var t=this.config,e=this.levelDetails;return void 0!==t.liveMaxLatencyDuration?t.liveMaxLatencyDuration:e?t.liveMaxLatencyDurationCount*e.targetduration:0}},{key:"targetLatency",get:function(){var t=this.levelDetails;if(null===t)return null;var e=t.holdBack,r=t.partHoldBack,i=t.targetduration,a=this.config,n=a.liveSyncDuration,s=a.liveSyncDurationCount,o=a.lowLatencyMode,l=this.hls.userConfig,u=o&&r||e;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==n?n:s*i);var d=i;return u+Math.min(1*this.stallCount,d)}},{key:"liveSyncPosition",get:function(){var t=this.estimateLiveEdge(),e=this.targetLatency,r=this.levelDetails;if(null===t||null===e||null===r)return null;var i=r.edge,a=t-e-this.edgeStalled,n=i-r.totalduration,s=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(n,a),s)}},{key:"drift",get:function(){var t=this.levelDetails;return null===t?1:t.drift}},{key:"edgeStalled",get:function(){var t=this.levelDetails;if(null===t)return 0;var e=3*(this.config.lowLatencyMode&&t.partTarget||t.targetduration);return Math.max(t.age-e,0)}},{key:"forwardBufferLength",get:function(){var t=this.media,e=this.levelDetails;if(!t||!e)return 0;var r=t.buffered.length;return r?t.buffered.end(r-1):e.edge-this.currentTime}}])&&F(e.prototype,r),i&&F(e,i),t}();function B(t,e){for(var r=0;rt.sn?(n=r-t.start,i=t):(n=t.start-r,i=e),i.duration!==n&&(i.duration=n)}else if(e.sn>t.sn){t.cc===e.cc&&t.minEndPTS?e.start=t.start+(t.minEndPTS-t.start):e.start=t.start+t.duration}else e.start=Math.max(t.start-e.duration,0)}function V(t,e,r,i,n,s){i-r<=0&&(o.b.warn("Fragment should have a positive duration",e),i=r+e.duration,s=n+e.duration);var l=r,u=i,d=e.startPTS,h=e.endPTS;if(Object(a.a)(d)){var f=Math.abs(d-r);Object(a.a)(e.deltaPTS)?e.deltaPTS=Math.max(f,e.deltaPTS):e.deltaPTS=f,l=Math.max(r,d),r=Math.min(r,d),n=Math.min(n,e.startDTS),u=Math.min(i,h),i=Math.max(i,h),s=Math.max(s,e.endDTS)}e.duration=i-r;var c=r-e.start;e.appendedPTS=i,e.start=e.startPTS=r,e.maxStartPTS=l,e.startDTS=n,e.endPTS=i,e.minEndPTS=u,e.endDTS=s;var v,g=e.sn;if(!t||gt.endSN)return 0;var p=g-t.startSN,m=t.fragments;for(m[p]=e,v=p;v>0;v--)H(m[v],m[v-1]);for(v=p;v=0;n--){var s=i[n].initSegment;if(s){r=s;break}}t.fragmentHint&&delete t.fragmentHint.endPTS;var l,u=0;if(function(t,e,r){for(var i=e.skippedSegments,a=Math.max(t.startSN,e.startSN)-e.startSN,n=(t.fragmentHint?1:0)+(i?e.endSN:Math.min(t.endSN,e.endSN))-e.startSN,s=e.startSN-t.startSN,o=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,l=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,u=a;u<=n;u++){var d=l[s+u],h=o[u];i&&!h&&u=i.length||function(t,e){if(e){for(var r=t.fragments,i=t.skippedSegments;ie.partTarget&&(l+=1)}if(Object(a.a)(o))return new U(o,Object(a.a)(l)?l:void 0,M.No)}}},e.loadPlaylist=function(t){},e.shouldLoadTrack=function(t){return this.canLoad&&t&&!!t.url&&(!t.details||t.details.live)},e.playlistLoaded=function(t,e,r){var i=this,a=e.details,n=e.stats,s=n.loading.end?Math.max(0,self.performance.now()-n.loading.end):0;if(a.advancedDateTime=Date.now()-s,a.live||null!=r&&r.live){if(a.reloaded(r),r&&this.log("live playlist "+t+" "+(a.advanced?"REFRESHED "+a.lastPartSn+"-"+a.lastPartIndex:"MISSED")),r&&a.fragments.length>0&&W(r,a),!this.canLoad||!a.live)return;var o,l=void 0,u=void 0;if(a.canBlockReload&&a.endSN&&a.advanced){var d=this.hls.config.lowLatencyMode,h=a.lastPartSn,f=a.endSN,c=a.lastPartIndex,v=h===f;-1!==c?(l=v?f+1:h,u=v?d?0:c:c+1):l=f+1;var g=a.age,p=g+a.ageHeader,m=Math.min(p-a.partTarget,1.5*a.targetduration);if(m>0){if(r&&m>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+m+" with playlist age: "+a.age),m=0;else{var y=Math.floor(m/a.targetduration);if(l+=y,void 0!==u)u+=Math.round(m%a.targetduration/a.partTarget);this.log("CDN Tune-in age: "+a.ageHeader+"s last advanced "+g.toFixed(2)+"s goal: "+m+" skip sn "+y+" to part "+u)}a.tuneInGoal=m}if(o=this.getDeliveryDirectives(a,e.deliveryDirectives,l,u),d||!v)return void this.loadPlaylist(o)}else o=this.getDeliveryDirectives(a,e.deliveryDirectives,l,u);var b=function(t,e){var r,i=1e3*t.levelTargetDuration,a=i/2,n=t.age,s=n>0&&n<3*i,o=e.loading.end-e.loading.start,l=t.availabilityDelay;if(!1===t.updated)if(s){var u=333*t.misses;r=Math.max(Math.min(a,2*o),u),t.availabilityDelay=(t.availabilityDelay||0)+r}else r=a;else s?(l=Math.min(l||i/2,n),t.availabilityDelay=l,r=l+i-n):r=i-o;return Math.round(r)}(a,n);void 0!==l&&a.canBlockReload&&(b-=a.partTarget||1),this.log("reload live playlist "+t+" in "+Math.round(b)+" ms"),this.timer=self.setTimeout((function(){return i.loadPlaylist(o)}),b)}else this.clearTimer()},e.getDeliveryDirectives=function(t,e,r,i){var a=function(t,e){var r=t.canSkipUntil,i=t.canSkipDateRanges,a=t.endSN;return r&&(void 0!==e?e-a:0)-1&&null!==(e=t.context)&&void 0!==e&&e.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+t.details+'"'),this.loadPlaylist();else{var n=Math.min(Math.pow(2,this.retryCount)*i.levelLoadingRetryDelay,i.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return r.loadPlaylist()}),n),this.warn("retry playlist loading #"+this.retryCount+" in "+n+' ms after "'+t.details+'"')}else this.warn('cannot recover from error "'+t.details+'"'),this.clearTimer(),t.fatal=!0;return a},t}();function q(){return(q=Object.assign||function(t){for(var e=1;e0){r=a[0].bitrate,a.sort((function(t,e){return t.bitrate-e.bitrate})),this._levels=a;for(var c=0;cthis.hls.config.fragLoadingMaxRetry&&(n=r.frag.level)):n=r.frag.level}break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:i&&(i.deliveryDirectives&&(l=!1),n=i.level),o=!0;break;case s.a.REMUX_ALLOC_ERROR:n=r.level,o=!0}void 0!==n&&this.recoverLevel(r,n,o,l)}}},u.recoverLevel=function(t,e,r,i){var a=t.details,n=this._levels[e];if(n.loadError++,r){if(!this.retryLoadingOrFail(t))return void(this.currentLevelIndex=-1);t.levelRetry=!0}if(i){var s=n.url.length;if(s>1&&n.loadError1){var i=(e.urlId+1)%r;this.warn("Switching to redundant URL-id "+i),this._levels.forEach((function(t){t.urlId=i})),this.level=t}},u.onFragLoaded=function(t,e){var r=e.frag;if(void 0!==r&&r.type===_.b.MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},u.onLevelLoaded=function(t,e){var r,i,a=e.level,n=e.details,s=this._levels[a];if(!s)return this.warn("Invalid level index "+a),void(null!==(i=e.deliveryDirectives)&&void 0!==i&&i.skip&&(n.deltaUpdateFailed=!0));a===this.currentLevelIndex?(0===s.fragmentError&&(s.loadError=0,this.retryCount=0),this.playlistLoaded(a,e,s.details)):null!==(r=e.deliveryDirectives)&&void 0!==r&&r.skip&&(n.deltaUpdateFailed=!0)},u.onAudioTrackSwitched=function(t,e){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,a=this.hls.audioTracks[e.id].groupId,n=0;n0){var i=r.urlId,a=r.url[i];if(t)try{a=t.addDirectives(a)}catch(t){this.warn("Could not construct new URL with HLS Delivery Directives: "+t)}this.log("Attempt loading level index "+e+(t?" at sn "+t.msn+" part "+t.part:"")+" with URL-id "+i+" "+a),this.clearTimer(),this.hls.trigger(n.a.LEVEL_LOADING,{url:a,level:e,id:i,deliveryDirectives:t||null})}},u.removeLevel=function(t,e){var r=function(t,r){return r!==e},i=this._levels.filter((function(i,a){return a!==t||i.url.length>1&&void 0!==e&&(i.url=i.url.filter(r),i.audioGroupIds&&(i.audioGroupIds=i.audioGroupIds.filter(r)),i.textGroupIds&&(i.textGroupIds=i.textGroupIds.filter(r)),i.urlId=0,!0)})).map((function(t,e){var r=t.details;return null!=r&&r.fragments&&r.fragments.forEach((function(t){t.level=e})),t}));this._levels=i,this.hls.trigger(n.a.LEVELS_UPDATED,{levels:i})},a=i,(o=[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(t){var e,r=this._levels;if(0!==r.length&&(this.currentLevelIndex!==t||null===(e=r[t])||void 0===e||!e.details)){if(t<0||t>=r.length){var i=t<0;if(this.hls.trigger(n.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.LEVEL_SWITCH_ERROR,level:t,fatal:i,reason:"invalid level idx"}),i)return;t=Math.min(t,r.length-1)}this.clearTimer();var a=this.currentLevelIndex,o=r[a],l=r[t];this.log("switching to level "+t+" from "+a),this.currentLevelIndex=t;var u=q({},l,{level:t,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(n.a.LEVEL_SWITCHING,u);var d=l.details;if(!d||d.live){var h=this.switchParams(l.uri,null==o?void 0:o.details);this.loadPlaylist(h)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(t){this.manualLevelIndex=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=t)}}])&&z(a.prototype,o),l&&z(a,l),i}(X);!function(t){t.NOT_LOADED="NOT_LOADED",t.BACKTRACKED="BACKTRACKED",t.APPENDING="APPENDING",t.PARTIAL="PARTIAL",t.OK="OK"}($||($={}));var tt=function(){function t(t){this.activeFragment=null,this.activeParts=null,this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){var t=this.hls;t.on(n.a.BUFFER_APPENDED,this.onBufferAppended,this),t.on(n.a.FRAG_BUFFERED,this.onFragBuffered,this),t.on(n.a.FRAG_LOADED,this.onFragLoaded,this)},e._unregisterListeners=function(){var t=this.hls;t.off(n.a.BUFFER_APPENDED,this.onBufferAppended,this),t.off(n.a.FRAG_BUFFERED,this.onFragBuffered,this),t.off(n.a.FRAG_LOADED,this.onFragLoaded,this)},e.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},e.getAppendedFrag=function(t,e){if(e===_.b.MAIN){var r=this.activeFragment,i=this.activeParts;if(!r)return null;if(i)for(var a=i.length;a--;){var n=i[a],s=n?n.end:r.appendedPTS;if(n.start<=t&&void 0!==s&&t<=s)return a>9&&(this.activeParts=i.slice(a-9)),n}else if(r.start<=t&&void 0!==r.appendedPTS&&t<=r.appendedPTS)return r}return this.getBufferedFrag(t,e)},e.getBufferedFrag=function(t,e){for(var r=this.fragments,i=Object.keys(r),a=i.length;a--;){var n=r[i[a]];if((null==n?void 0:n.body.type)===e&&n.buffered){var s=n.body;if(s.start<=t&&t<=s.end)return s}}return null},e.detectEvictedFragments=function(t,e,r){var i=this;Object.keys(this.fragments).forEach((function(a){var n=i.fragments[a];if(n)if(n.buffered){var s=n.range[t];s&&s.time.some((function(t){var r=!i.isTimeBuffered(t.startPTS,t.endPTS,e);return r&&i.removeFragment(n.body),r}))}else n.body.type===r&&i.removeFragment(n.body)}))},e.detectPartialFragments=function(t){var e=this,r=this.timeRanges,i=t.frag,a=t.part;if(r&&"initSegment"!==i.sn){var n=rt(i),s=this.fragments[n];s&&(Object.keys(r).forEach((function(t){var n=i.elementaryStreams[t];if(n){var o=r[t],l=null!==a||!0===n.partial;s.range[t]=e.getBufferedTimes(i,a,l,o)}})),s.backtrack=s.loaded=null,Object.keys(s.range).length?s.buffered=!0:this.removeFragment(s.body))}},e.fragBuffered=function(t){var e=rt(t),r=this.fragments[e];r&&(r.backtrack=r.loaded=null,r.buffered=!0)},e.getBufferedTimes=function(t,e,r,i){for(var a={time:[],partial:r},n=e?e.start:t.start,s=e?e.end:t.end,o=t.minEndPTS||s,l=t.maxStartPTS||n,u=0;u=d&&o<=h){a.time.push({startPTS:Math.max(n,i.start(u)),endPTS:Math.min(s,i.end(u))});break}if(nd)a.partial=!0,a.time.push({startPTS:Math.max(n,i.start(u)),endPTS:Math.min(s,i.end(u))});else if(s<=d)break}return a},e.getPartialFragment=function(t){var e,r,i,a=null,n=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&et(u)&&(r=u.body.start-s,i=u.body.end+s,t>=r&&t<=i&&(e=Math.min(t-r,i-t),n<=e&&(a=u.body,n=e)))})),a},e.getState=function(t){var e=rt(t),r=this.fragments[e];return r?r.buffered?et(r)?$.PARTIAL:$.OK:r.backtrack?$.BACKTRACKED:$.APPENDING:$.NOT_LOADED},e.backtrack=function(t,e){var r=rt(t),i=this.fragments[r];if(!i||i.backtrack)return null;var a=i.backtrack=e||i.loaded;return i.loaded=null,a},e.getBacktrackData=function(t){var e=rt(t),r=this.fragments[e];if(r){var i,a=r.backtrack;if(null!=a&&null!==(i=a.payload)&&void 0!==i&&i.byteLength)return a;this.removeFragment(t)}return null},e.isTimeBuffered=function(t,e,r){for(var i,a,n=0;n=i&&e<=a)return!0;if(e<=i)return!1}return!1},e.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if("initSegment"!==r.sn&&!r.bitrateTest&&!i){var a=rt(r);this.fragments[a]={body:r,loaded:e,backtrack:null,buffered:!1,range:Object.create(null)}}},e.onBufferAppended=function(t,e){var r=this,i=e.frag,a=e.part,n=e.timeRanges;if(i.type===_.b.MAIN)if(this.activeFragment=i,a){var s=this.activeParts;s||(this.activeParts=s=[]),s.push(a)}else this.activeParts=null;this.timeRanges=n,Object.keys(n).forEach((function(t){var e=n[t];if(r.detectEvictedFragments(t,e),!a)for(var s=0;st&&i.removeFragment(s)}}))},e.removeFragment=function(t){var e=rt(t);t.stats.loaded=0,t.clearElementaryStreamInfo(),delete this.fragments[e]},e.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},t}();function et(t){var e,r;return t.buffered&&((null===(e=t.range.video)||void 0===e?void 0:e.partial)||(null===(r=t.range.audio)||void 0===r?void 0:r.partial))}function rt(t){return t.type+"_"+t.level+"_"+t.urlId+"_"+t.sn}var it=function(){function t(){this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}var e=t.prototype;return e.destroy=function(){this.onHandlerDestroying(),this.onHandlerDestroyed()},e.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},e.onHandlerDestroyed=function(){},e.hasInterval=function(){return!!this._tickInterval},e.hasNextTick=function(){return!!this._tickTimer},e.setInterval=function(t){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,t),!0)},e.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},e.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},e.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)},e.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},e.doTick=function(){},t}(),at={length:0,start:function(){return 0},end:function(){return 0}},nt=function(){function t(){}return t.isBuffered=function(e,r){try{if(e)for(var i=t.getBuffered(e),a=0;a=i.start(a)&&r<=i.end(a))return!0}catch(t){}return!1},t.bufferInfo=function(e,r,i){try{if(e){var a,n=t.getBuffered(e),s=[];for(a=0;as&&(i[n-1].end=t[a].end):i.push(t[a])}else i.push(t[a])}else i=t;for(var o,l=0,u=e,d=e,h=0;h=f&&er.startCC||t&&t.cc0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}};function ht(t,e,r){void 0===t&&(t=0),void 0===e&&(e=0);var i=Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=t?1:r.start-i>t&&r.start?-1:0}function ft(t,e,r){var i=1e3*Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>t}function ct(t){var e="function"==typeof Map?new Map:void 0;return(ct=function(t){if(null===t||(r=t,-1===Function.toString.call(r).indexOf("[native code]")))return t;var r;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,i)}function i(){return vt(t,arguments,mt(this).constructor)}return i.prototype=Object.create(t.prototype,{constructor:{value:i,enumerable:!1,writable:!0,configurable:!0}}),pt(i,t)})(t)}function vt(t,e,r){return(vt=gt()?Reflect.construct:function(t,e,r){var i=[null];i.push.apply(i,e);var a=new(Function.bind.apply(t,i));return r&&pt(a,r.prototype),a}).apply(null,arguments)}function gt(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}function pt(t,e){return(pt=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function mt(t){return(mt=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var yt=Math.pow(2,17),bt=function(){function t(t){this.config=void 0,this.loader=null,this.partLoadTimeout=-1,this.config=t}var e=t.prototype;return e.destroy=function(){this.loader&&(this.loader.destroy(),this.loader=null)},e.abort=function(){this.loader&&this.loader.abort()},e.load=function(t,e){var r=this,i=t.url;if(!i)return Promise.reject(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,networkDetails:null},"Fragment does not have a "+(i?"part list":"url")));this.abort();var a=this.config,n=a.fLoader,o=a.loader;return new Promise((function(i,l){r.loader&&r.loader.destroy();var u=r.loader=t.loader=n?new n(a):new o(a),d=Tt(t),h={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:yt};t.stats=u.stats,u.load(d,h,{onSuccess:function(e,a,n,s){r.resetLoader(t,u),i({frag:t,part:null,payload:e.data,networkDetails:s})},onError:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,response:e,networkDetails:a}))},onAbort:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.INTERNAL_ABORTED,fatal:!1,frag:t,networkDetails:a}))},onTimeout:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,networkDetails:a}))},onProgress:function(r,i,a,n){e&&e({frag:t,part:null,payload:a,networkDetails:n})}})}))},e.loadPart=function(t,e,r){var i=this;this.abort();var a=this.config,n=a.fLoader,o=a.loader;return new Promise((function(l,u){i.loader&&i.loader.destroy();var d=i.loader=t.loader=n?new n(a):new o(a),h=Tt(t,e),f={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:yt};e.stats=d.stats,d.load(h,f,{onSuccess:function(a,n,s,o){i.resetLoader(t,d),i.updateStatsFromPart(t,e);var u={frag:t,part:e,payload:a.data,networkDetails:o};r(u),l(u)},onError:function(r,a,n){i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,part:e,response:r,networkDetails:n}))},onAbort:function(r,a,n){t.stats.aborted=e.stats.aborted,i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.INTERNAL_ABORTED,fatal:!1,frag:t,part:e,networkDetails:n}))},onTimeout:function(r,a,n){i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,part:e,networkDetails:n}))}})}))},e.updateStatsFromPart=function(t,e){var r=t.stats,i=e.stats,a=i.total;if(r.loaded+=i.loaded,a){var n=Math.round(t.duration/e.duration),s=Math.min(Math.round(r.loaded/a),n),o=(n-s)*Math.round(r.loaded/s);r.total=r.loaded+o}else r.total=Math.max(r.loaded,r.total);var l=r.loading,u=i.loading;l.start?l.first+=u.first-u.start:(l.start=u.start,l.first=u.first),l.end=u.end},e.resetLoader=function(t,e){t.loader=null,this.loader===e&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),e.destroy()},t}();function Tt(t,e){void 0===e&&(e=null);var r=e||t,i={frag:t,part:e,responseType:"arraybuffer",url:r.url,rangeStart:0,rangeEnd:0},n=r.byteRangeStartOffset,s=r.byteRangeEndOffset;return Object(a.a)(n)&&Object(a.a)(s)&&(i.rangeStart=n,i.rangeEnd=s),i}var Et=function(t){var e,r;function i(e){for(var r,i=arguments.length,a=new Array(i>1?i-1:0),n=1;ne.start+e.duration+l;(s0&&s&&s.key&&s.iv&&"AES-128"===s.method){var o=self.performance.now();return e.decrypter.webCryptoDecrypt(new Uint8Array(a),s.key.buffer,s.iv.buffer).then((function(e){var a=self.performance.now();return i.trigger(n.a.FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:o,tdecrypt:a}}),r.payload=e,r}))}return r})).then((function(r){var i=e.fragCurrent,a=e.hls,s=e.levels;if(!s)throw new Error("init load aborted, missing levels");s[t.level].details;var o=t.stats;e.state=_t,e.fragLoadError=0,t.data=new Uint8Array(r.payload),o.parsing.start=o.buffering.start=self.performance.now(),o.parsing.end=o.buffering.end=self.performance.now(),r.frag===i&&a.trigger(n.a.FRAG_BUFFERED,{stats:o,frag:i,part:null,id:t.type}),e.tick()})).catch((function(r){e.warn(r),e.resetFragmentLoading(t)}))},f.fragContextChanged=function(t){var e=this.fragCurrent;return!t||!e||t.level!==e.level||t.sn!==e.sn||t.urlId!==e.urlId},f.fragBufferedComplete=function(t,e){var r=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+t.type+" sn: "+t.sn+(e?" part: "+e.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level+" "+Lt.toString(nt.getBuffered(r))),this.state=_t,this.tick()},f._handleFragmentLoadComplete=function(t){var e=this.transmuxer;if(e){var r=t.frag,i=t.part,a=t.partsLoaded,n=!a||0===a.length||a.some((function(t){return!t})),s=new st(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!n);e.flush(s)}},f._handleFragmentLoadProgress=function(t){},f._doFragLoad=function(t,e,r,i){var s=this;if(void 0===r&&(r=null),!this.levels)throw new Error("frag load aborted, missing levels");if(r=Math.max(t.start,r||0),this.config.lowLatencyMode&&e){var o=e.partList;if(o&&i){r>t.end&&e.fragmentHint&&(t=e.fragmentHint);var l=this.getNextPart(o,t,r);if(l>-1){var u=o[l];return this.log("Loading part sn: "+t.sn+" p: "+u.index+" cc: "+t.cc+" of playlist ["+e.startSN+"-"+e.endSN+"] parts [0-"+l+"-"+(o.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=u.start+u.duration,this.state=xt,this.hls.trigger(n.a.FRAG_LOADING,{frag:t,part:o[l],targetBufferTime:r}),this.doFragPartsLoad(t,o,l,i).catch((function(t){return s.handleFragLoadError(t)}))}if(!t.url||this.loadedEndOfParts(o,r))return Promise.resolve(null)}}return this.log("Loading fragment "+t.sn+" cc: "+t.cc+" "+(e?"of ["+e.startSN+"-"+e.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),Object(a.a)(t.sn)&&!this.bitrateTest&&(this.nextLoadPosition=t.start+t.duration),this.state=xt,this.hls.trigger(n.a.FRAG_LOADING,{frag:t,targetBufferTime:r}),this.fragmentLoader.load(t,i).catch((function(t){return s.handleFragLoadError(t)}))},f.doFragPartsLoad=function(t,e,r,i){var a=this;return new Promise((function(s,o){var l=[];!function r(u){var d=e[u];a.fragmentLoader.loadPart(t,d,i).then((function(i){l[d.index]=i;var o=i.part;a.hls.trigger(n.a.FRAG_LOADED,i);var h=e[u+1];if(!h||h.fragment!==t)return s({frag:t,part:o,partsLoaded:l});r(u+1)})).catch(o)}(r)}))},f.handleFragLoadError=function(t){var e=t.data;return e&&e.details===s.a.INTERNAL_ABORTED?this.handleFragLoadAborted(e.frag,e.part):this.hls.trigger(n.a.ERROR,e),null},f._handleTransmuxerFlush=function(t){var e=this.getCurrentContext(t);if(e&&this.state===Ct){var r=e.frag,i=e.part,a=e.level,n=self.performance.now();r.stats.parsing.end=n,i&&(i.stats.parsing.end=n),this.updateLevelTiming(r,i,a,t.partial)}else this.fragCurrent||(this.state=_t)},f.getCurrentContext=function(t){var e=this.levels,r=t.level,i=t.sn,a=t.part;if(!e||!e[r])return this.warn("Levels object was unset while buffering fragment "+i+" of level "+r+". The current chunk will not be buffered."),null;var n=e[r],s=a>-1?function(t,e,r){if(!t||!t.details)return null;var i=t.details.partList;if(i)for(var a=i.length;a--;){var n=i[a];if(n.index===r&&n.fragment.sn===e)return n}return null}(n,i,a):null,o=s?s.fragment:function(t,e,r){if(!t||!t.details)return null;var i=t.details,a=i.fragments[e-i.startSN];return a||((a=i.fragmentHint)&&a.sn===e?a:en&&this.flushMainBuffer(s,t.start)}else this.flushMainBuffer(0,t.start)},f.getFwdBufferInfo=function(t,e){var r=this.config,i=this.getLoadPosition();if(!Object(a.a)(i))return null;var n=nt.bufferInfo(t,i,r.maxBufferHole);if(0===n.len&&void 0!==n.nextStart){var s=this.fragmentTracker.getBufferedFrag(i,e);if(s&&n.nextStart=r&&(e.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},f.getNextFragment=function(t,e){var r,i,a=e.fragments,n=a.length;if(!n)return null;var s,o=this.config,l=a[0].start;if(e.live){var u=o.initialLiveManifestSize;if(n-1&&rr.start&&r.loaded},f.getInitialLiveFragment=function(t,e){var r=this.fragPrevious,i=null;if(r){if(t.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+r.programDateTime),i=function(t,e,r){if(null===e||!Array.isArray(t)||!t.length||!Object(a.a)(e))return null;if(e<(t[0].programDateTime||0))return null;if(e>=(t[t.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;i=t.startSN&&n<=t.endSN){var s=e[n-t.startSN];r.cc===s.cc&&(i=s,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=function(t,e){return dt.search(t,(function(t){return t.cce?-1:0}))}(e,r.cc))&&this.log("Live playlist, switching playlist, load frag with same CC: "+i.sn)}}else{var o=this.hls.liveSyncPosition;null!==o&&(i=this.getFragmentAtPosition(o,this.bitrateTest?t.fragmentEnd:t.edge,t))}return i},f.getFragmentAtPosition=function(t,e,r){var i,a=this.config,n=this.fragPrevious,s=r.fragments,o=r.endSN,l=r.fragmentHint,u=a.maxFragLookUpTolerance,d=!!(a.lowLatencyMode&&r.partList&&l);(d&&l&&!this.bitrateTest&&(s=s.concat(l),o=l.sn),te-u?0:u):i=s[s.length-1];if(i){var h=i.sn-r.startSN,f=n&&i.level===n.level,c=s[h+1];if(this.fragmentTracker.getState(i)===$.BACKTRACKED){i=null;for(var v=h;s[v]&&this.fragmentTracker.getState(s[v])===$.BACKTRACKED;)i=n?s[v--]:s[--v];i||(i=c)}else n&&i.sn===n.sn&&!d&&f&&(i.sn=n-e.maxFragLookUpTolerance&&a<=s;if(null!==i&&r.duration>i&&(a"+t.startSN+" prev-sn: "+(n?n.sn:"na")+" fragments: "+o),h}return l},f.waitForCdnTuneIn=function(t){return t.live&&t.canBlockReload&&t.tuneInGoal>Math.max(t.partHoldBack,3*t.partTarget)},f.setStartPosition=function(t,e){var r=this.startPosition;if(r"+t))}}])&&At(u.prototype,d),h&&At(u,h),i}(it);function Bt(){return self.MediaSource||self.WebKitMediaSource}function Ut(){return self.SourceBuffer||self.WebKitSourceBuffer}var Gt=r(17),jt=r(9),Kt=r(13),Ht=Bt()||{isTypeSupported:function(){return!1}},Vt=function(){function t(t,e,r,i){var a=this;this.hls=void 0,this.id=void 0,this.observer=void 0,this.frag=null,this.part=null,this.worker=void 0,this.onwmsg=void 0,this.transmuxer=null,this.onTransmuxComplete=void 0,this.onFlush=void 0,this.hls=t,this.id=e,this.onTransmuxComplete=r,this.onFlush=i;var l=t.config,u=function(e,r){(r=r||{}).frag=a.frag,r.id=a.id,t.trigger(e,r)};this.observer=new Kt.EventEmitter,this.observer.on(n.a.FRAG_DECRYPTED,u),this.observer.on(n.a.ERROR,u);var d={mp4:Ht.isTypeSupported("video/mp4"),mpeg:Ht.isTypeSupported("audio/mpeg"),mp3:Ht.isTypeSupported('audio/mp4; codecs="mp3"')},h=navigator.vendor;if(l.enableWorker&&"undefined"!=typeof Worker){var f;o.b.log("demuxing in webworker");try{f=this.worker=Gt(18),this.onwmsg=this.onWorkerMessage.bind(this),f.addEventListener("message",this.onwmsg),f.onerror=function(e){t.trigger(n.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(e.message+" ("+e.filename+":"+e.lineno+")")})},f.postMessage({cmd:"init",typeSupported:d,vendor:h,id:e,config:JSON.stringify(l)})}catch(t){o.b.warn("Error in worker:",t),o.b.error("Error while initializing DemuxerWorker, fallback to inline"),f&&self.URL.revokeObjectURL(f.objectURL),this.transmuxer=new jt.c(this.observer,d,l,h,e),this.worker=null}}else this.transmuxer=new jt.c(this.observer,d,l,h,e)}var e=t.prototype;return e.destroy=function(){var t=this.worker;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.worker=null;else{var e=this.transmuxer;e&&(e.destroy(),this.transmuxer=null)}var r=this.observer;r&&r.removeAllListeners(),this.observer=null},e.push=function(t,e,r,i,a,n,s,l,u,d){var h=this;u.transmuxing.start=self.performance.now();var f=this.transmuxer,c=this.worker,v=n?n.start:a.start,g=a.decryptdata,p=this.frag,m=!(p&&a.cc===p.cc),y=!(p&&u.level===p.level),b=p?u.sn-p.sn:-1,T=this.part?u.part-this.part.index:1,E=!y&&(1===b||0===b&&1===T),S=self.performance.now();(y||b||0===a.stats.parsing.start)&&(a.stats.parsing.start=S),!n||!T&&E||(n.stats.parsing.start=S);var L=new jt.b(m,E,l,y,v);if(!E||m){o.b.log("[transmuxer-interface, "+a.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n discontinuity: "+m+"\n trackSwitch: "+y+"\n contiguous: "+E+"\n accurateTimeOffset: "+l+"\n timeOffset: "+v);var A=new jt.a(r,i,e,s,d);this.configureTransmuxer(A)}if(this.frag=a,this.part=n,c)c.postMessage({cmd:"demux",data:t,decryptdata:g,chunkMeta:u,state:L},t instanceof ArrayBuffer?[t]:[]);else if(f){var R=f.push(t,g,u,L);Object(jt.d)(R)?R.then((function(t){h.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 a=r.flush(t);Object(jt.d)(a)?a.then((function(r){e.handleFlushResult(r,t)})):this.handleFlushResult(a,t)}},e.handleFlushResult=function(t,e){var r=this;t.forEach((function(t){r.handleTransmuxComplete(t)})),this.onFlush(e)},e.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(e.data);break;case"flush":this.onFlush(e.data);break;default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data)}},e.configureTransmuxer=function(t){var e=this.worker,r=this.transmuxer;e?e.postMessage({cmd:"configure",config:t}):r&&r.configure(t)},e.handleTransmuxComplete=function(t){t.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(t)},t}(),Wt=function(){function t(t,e,r,i){this.config=void 0,this.media=void 0,this.fragmentTracker=void 0,this.hls=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.config=t,this.media=e,this.fragmentTracker=r,this.hls=i}var e=t.prototype;return e.destroy=function(){this.hls=this.fragmentTracker=this.media=null},e.poll=function(t){var e=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,l=!this.seeking&&n;if(this.seeking=n,a===t){if((l||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&nt.getBuffered(r).length){var u=nt.bufferInfo(r,a,0),d=u.len>0,h=u.nextStart||0;if(d||h){if(n){var f=u.len>2,c=!h||h-a>2&&!this.fragmentTracker.getPartialFragment(a);if(f||c)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var v,g=Math.max(h,u.start||0)-a,p=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,m=(null==p||null===(v=p.details)||void 0===v?void 0:v.live)?2*p.details.targetduration:2;if(g>0&&g<=m)return void this._trySkipBufferHole(null)}var y=self.performance.now();if(null!==i){var b=y-i;!n&&b>=250&&this._reportStall(u.len);var T=nt.bufferInfo(r,a,e.maxBufferHole);this._tryFixBufferStall(T,b)}else this.stalled=y}}}else if(this.moved=!0,null!==i){if(this.stallReported){var E=self.performance.now()-i;o.b.warn("playback not stuck anymore @"+a+", after "+Math.round(E)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},e._tryFixBufferStall=function(t,e){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;t.len>r.maxBufferHole&&e>1e3*r.highBufferWatchdogPeriod&&(o.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},e._reportStall=function(t){var e=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,o.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer (buffer="+t+")"),e.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:t}))},e._trySkipBufferHole=function(t){for(var e=this.config,r=this.hls,i=this.media,a=i.currentTime,l=0,u=nt.getBuffered(i),d=0;d=l&&a0&&-1===t&&(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=_t,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this._forceStartLoad=!0,this.state=Dt},f.stopLoad=function(){this._forceStartLoad=!1,t.prototype.stopLoad.call(this)},f.doTick=function(){switch(this.state){case _t:this.doTickIdle();break;case Mt:var t,e=this.levels,r=this.level,i=null==e||null===(t=e[r])||void 0===t?void 0:t.details;if(i&&(!i.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(i))break;this.state=_t;break}break;case wt:var a,n=self.performance.now(),s=this.retryDate;(!s||n>=s||null!==(a=this.media)&&void 0!==a&&a.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.state=_t)}this.onTickEnd()},f.onTickEnd=function(){t.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},f.doTickIdle=function(){var t,e,r=this.hls,i=this.levelLastLoaded,a=this.levels,s=this.media,o=r.config,l=r.nextLoadLevel;if(null!==i&&(s||!this.startFragRequested&&o.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&a&&a[l]){var d=a[l];this.level=r.nextLoadLevel=l;var h=d.details;if(!h||this.state===Mt||h.live&&this.levelLastLoaded!==l)this.state=Mt;else{var f=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:s,_.b.MAIN);if(null!==f)if(!(f.len>=this.getMaxBufferLength(d.maxBitrate))){if(this._streamEnded(f,h)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(n.a.BUFFER_EOS,c),void(this.state=Pt)}var v=f.end,g=this.getNextFragment(v,h);if(this.couldBacktrack&&!this.fragPrevious&&g&&"initSegment"!==g.sn){var p=g.sn-h.startSN;p>1&&(g=h.fragments[p-1],this.fragmentTracker.removeFragment(g))}if(g&&this.fragmentTracker.getState(g)===$.OK&&this.nextLoadPosition>v){var m=this.audioOnly&&!this.altAudio?u.a.AUDIO:u.a.VIDEO;this.afterBufferFlushed(s,m,_.b.MAIN),g=this.getNextFragment(this.nextLoadPosition,h)}g&&(!g.initSegment||g.initSegment.data||this.bitrateTest||(g=g.initSegment),"identity"!==(null===(t=g.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=g.decryptdata)&&void 0!==e&&e.key?this.loadFragment(g,h,v):this.loadKey(g,h))}}}},f.loadFragment=function(e,r,i){var a,n=this.fragmentTracker.getState(e);if(this.fragCurrent=e,n===$.BACKTRACKED){var s=this.fragmentTracker.getBacktrackData(e);if(s)return this._handleFragmentLoadProgress(s),void this._handleFragmentLoadComplete(s);n=$.NOT_LOADED}n===$.NOT_LOADED||n===$.PARTIAL?"initSegment"===e.sn?this._loadInitSegment(e):this.bitrateTest?(e.bitrateTest=!0,this.log("Fragment "+e.sn+" of level "+e.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(e)):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,r,i)):n===$.APPENDING?this.reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e):0===(null===(a=this.media)||void 0===a?void 0:a.buffered.length)&&this.fragmentTracker.removeAllFragments()},f.getAppendedFrag=function(t){var e=this.fragmentTracker.getAppendedFrag(t,_.b.MAIN);return e&&"fragment"in e?e.fragment:e},f.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,_.b.MAIN)},f.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.end+.5):null},f.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},f.nextLevelSwitch=function(){var t=this.levels,e=this.media;if(null!=e&&e.readyState){var r,i=this.getAppendedFrag(e.currentTime);if(i&&i.start>1&&this.flushMainBuffer(0,i.start-1),!e.paused&&t){var a=t[this.hls.nextLoadLevel],n=this.fragLastKbps;r=n&&this.fragCurrent?this.fragCurrent.duration*a.maxBitrate/(1e3*n)+1:0}else r=0;var s=this.getBufferedFrag(e.currentTime+r);if(s){var o=this.followingBufferedFrag(s);if(o){this.abortCurrentFrag();var l=o.maxStartPTS?o.maxStartPTS:o.start,u=o.duration,d=Math.max(s.end,l+Math.min(Math.max(u-this.config.maxFragLookUpTolerance,.5*u),.75*u));this.flushMainBuffer(d,Number.POSITIVE_INFINITY)}}}},f.abortCurrentFrag=function(){var t=this.fragCurrent;this.fragCurrent=null,null!=t&&t.loader&&t.loader.abort(),this.state===kt&&(this.state=_t),this.nextLoadPosition=this.getLoadPosition()},f.flushMainBuffer=function(e,r){t.prototype.flushMainBuffer.call(this,e,r,this.altAudio?"video":null)},f.onMediaAttached=function(e,r){t.prototype.onMediaAttached.call(this,e,r);var i=r.media;this.onvplaying=this.onMediaPlaying.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),i.addEventListener("playing",this.onvplaying),i.addEventListener("seeked",this.onvseeked),this.gapController=new Wt(this.config,i,this.fragmentTracker,this.hls)},f.onMediaDetaching=function(){var e=this.media;e&&(e.removeEventListener("playing",this.onvplaying),e.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),t.prototype.onMediaDetaching.call(this)},f.onMediaPlaying=function(){this.tick()},f.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:null;Object(a.a)(e)&&this.log("Media seeked to "+e.toFixed(3)),this.tick()},f.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(n.a.BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.couldBacktrack=this.stalled=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null},f.onManifestParsed=function(t,e){var r,i,a,n=!1,s=!1;e.levels.forEach((function(t){(r=t.audioCodec)&&(-1!==r.indexOf("mp4a.40.2")&&(n=!0),-1!==r.indexOf("mp4a.40.5")&&(s=!0))})),this.audioCodecSwitch=n&&s&&!("function"==typeof(null==(a=Ut())||null===(i=a.prototype)||void 0===i?void 0:i.changeType)),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=e.levels,this.startFragRequested=!1},f.onLevelLoading=function(t,e){var r=this.levels;if(r&&this.state===_t){var i=r[e.level];(!i.details||i.details.live&&this.levelLastLoaded!==e.level||this.waitForCdnTuneIn(i.details))&&(this.state=Mt)}},f.onLevelLoaded=function(t,e){var r,i=this.levels,a=e.level,s=e.details,o=s.totalduration;if(i){this.log("Level "+a+" loaded ["+s.startSN+","+s.endSN+"], cc ["+s.startCC+", "+s.endCC+"] duration:"+o);var l=this.fragCurrent;!l||this.state!==xt&&this.state!==wt||l.level!==e.level&&l.loader&&(this.state=_t,l.loader.abort());var u=i[a],d=0;if(s.live||null!==(r=u.details)&&void 0!==r&&r.live){if(s.fragments[0]||(s.deltaUpdateFailed=!0),s.deltaUpdateFailed)return;d=this.alignPlaylists(s,u.details)}if(u.details=s,this.levelLastLoaded=a,this.hls.trigger(n.a.LEVEL_UPDATED,{details:s,level:a}),this.state===Mt){if(this.waitForCdnTuneIn(s))return;this.state=_t}this.startFragRequested?s.live&&this.synchronizeToLiveEdge(s):this.setStartPosition(s,d),this.tick()}else this.warn("Levels were reset while loading level "+a)},f._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,a=t.payload,n=this.levels;if(n){var s=n[r.level],o=s.details;if(o){var l=s.videoCodec,u=o.PTSKnown||!o.live,d=null===(e=r.initSegment)||void 0===e?void 0:e.data,h=this._getAudioCodec(s),f=this.transmuxer=this.transmuxer||new Vt(this.hls,_.b.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),c=i?i.index:-1,v=-1!==c,g=new st(r.level,r.sn,r.stats.chunkCount,a.byteLength,c,v),p=this.initPTS[r.cc];f.push(a,d,h,l,r,i,o.totalduration,u,g,p)}else this.warn("Dropping fragment "+r.sn+" of level "+r.level+" after level details were reset")}else this.warn("Levels were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},f.onAudioTrackSwitching=function(t,e){var r=this.altAudio,i=!!e.url,a=e.id;if(!i){if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var s=this.fragCurrent;null!=s&&s.loader&&(this.log("Switching to main audio track, cancel main fragment load"),s.loader.abort()),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;r&&o.trigger(n.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(n.a.AUDIO_TRACK_SWITCHED,{id:a})}},f.onAudioTrackSwitched=function(t,e){var r=e.id,i=!!this.hls.audioTracks[r].url;if(i){var a=this.videoBuffer;a&&this.mediaBuffer!==a&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=a)}this.altAudio=i,this.tick()},f.onBufferCreated=function(t,e){var r,i,a=e.tracks,n=!1;for(var s in a){var o=a[s];if("main"===o.id){if(i=s,r=o,"video"===s){var l=a[s];l&&(this.videoBuffer=l.buffer)}}else n=!0}n&&r?(this.log("Alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},f.onFragBuffered=function(t,e){var r=e.frag,i=e.part;if(!r||r.type===_.b.MAIN){if(this.fragContextChanged(r))return this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state),void(this.state===Ot&&(this.state=_t));var a=i?i.stats:r.stats;this.fragLastKbps=Math.round(8*a.total/(a.buffering.end-a.loading.first)),"initSegment"!==r.sn&&(this.fragPrevious=r),this.fragBufferedComplete(r,i)}},f.onError=function(t,e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(_.b.MAIN,e);break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:this.state!==Ft&&(e.fatal?(this.warn(""+e.details),this.state=Ft):e.levelRetry||this.state!==Mt||(this.state=_t));break;case s.a.BUFFER_FULL_ERROR:if("main"===e.parent&&(this.state===Ct||this.state===Ot)){var r=!0,i=this.getFwdBufferInfo(this.media,_.b.MAIN);i&&i.len>.5&&(r=!this.reduceMaxBufferLength(i.len)),r&&(this.warn("buffer full error also media.currentTime is not buffered, flush main"),this.immediateLevelSwitch()),this.resetLoadingState()}}},f.checkBuffer=function(){var t=this.media,e=this.gapController;if(t&&e&&t.readyState){var r=nt.getBuffered(t);!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this.seekToStartPos()):e.poll(this.lastCurrentTime),this.lastCurrentTime=t.currentTime}},f.onFragLoadEmergencyAborted=function(){this.state=_t,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},f.onBufferFlushed=function(t,e){var r=e.type;if(r!==u.a.AUDIO||this.audioOnly&&!this.altAudio){var i=(r===u.a.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r,_.b.MAIN)}},f.onLevelsUpdated=function(t,e){this.levels=e.levels},f.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},f.seekToStartPos=function(){var t=this.media,e=t.currentTime,r=this.startPosition;if(r>=0&&e0&&a1&&!1===t.seeking){var r=t.currentTime;if(nt.isBuffered(t,r)?e=this.getAppendedFrag(r):nt.isBuffered(t,r+.1)&&(e=this.getAppendedFrag(r+.1)),e){var i=this.fragPlaying,a=e.level;i&&e.sn===i.sn&&i.level===a&&e.urlId===i.urlId||(this.hls.trigger(n.a.FRAG_CHANGED,{frag:e}),i&&i.level===a||this.hls.trigger(n.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=e)}}},l=i,(d=[{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);return this.followingBufferedFrag(e)}return null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])&&Yt(l.prototype,d),h&&Yt(l,h),i}(Nt),zt=function(){function t(t,e,r){void 0===e&&(e=0),void 0===r&&(r=0),this.halfLife=void 0,this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.halfLife=t,this.alpha_=t?Math.exp(Math.log(.5)/t):0,this.estimate_=e,this.totalWeight_=r}var e=t.prototype;return e.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},e.getTotalWeight=function(){return this.totalWeight_},e.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);if(t)return this.estimate_/t}return this.estimate_},t}(),Qt=function(){function t(t,e,r){this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.defaultEstimate_=r,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new zt(t),this.fast_=new zt(e)}var e=t.prototype;return e.update=function(t,e){var r=this.slow_,i=this.fast_;this.slow_.halfLife!==t&&(this.slow_=new zt(t,r.getEstimate(),r.getTotalWeight())),this.fast_.halfLife!==e&&(this.fast_=new zt(e,i.getEstimate(),i.getTotalWeight()))},e.sample=function(t,e){var r=(t=Math.max(t,this.minDelayMs_))/1e3,i=8*e/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},e.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},e.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},e.destroy=function(){},t}();function $t(t,e){for(var r=0;r=2*d/f||y<=T)){var E,S=Number.POSITIVE_INFINITY;for(E=t.level-1;E>v;E--){if((S=d*c[E].maxBitrate/(6.4*m))=y)){var L=this.bwEstimator.getEstimate();o.b.warn("Fragment "+t.sn+(e?" part "+e.index:"")+" of level "+t.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+E+"\n Current BW estimate: "+(Object(a.a)(L)?(L/1024).toFixed(3):"Unknown")+" Kb/s\n Estimated load time for current fragment: "+y.toFixed(3)+" s\n Estimated load time for the next fragment: "+S.toFixed(3)+" s\n Time to underbuffer: "+T.toFixed(3)+" s"),r.nextLoadLevel=E,this.bwEstimator.sample(h,u.loaded),this.clearTimer(),t.loader&&(this.fragCurrent=this.partCurrent=null,t.loader.abort()),r.trigger(n.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:t,part:e,stats:u})}}}}}},l.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if(r.type===_.b.MAIN&&Object(a.a)(r.sn)){var s=i?i.stats:r.stats,o=i?i.duration:r.duration;if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var l=this.hls.levels[r.level],u=(l.loaded?l.loaded.bytes:0)+s.loaded,d=(l.loaded?l.loaded.duration:0)+o;l.loaded={bytes:u,duration:d},l.realBitrate=Math.round(8*u/d)}if(r.bitrateTest){var h={stats:s,frag:r,part:i,id:r.type};this.onFragBuffered(n.a.FRAG_BUFFERED,h),r.bitrateTest=!1}}},l.onFragBuffered=function(t,e){var r=e.frag,i=e.part,a=i?i.stats:r.stats;if(!a.aborted&&r.type===_.b.MAIN&&"initSegment"!==r.sn){var n=a.parsing.end-a.loading.start;this.bwEstimator.sample(n,a.loaded),a.bwEstimate=this.bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=n/1e3:this.bitrateTestDelay=0}},l.onError=function(t,e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},l.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},l.getNextABRAutoLevel=function(){var t=this.fragCurrent,e=this.partCurrent,r=this.hls,i=r.maxAutoLevel,a=r.config,n=r.minAutoLevel,s=r.media,l=e?e.duration:t?t.duration:0,u=s?s.currentTime:0,d=s&&0!==s.playbackRate?Math.abs(s.playbackRate):1,h=this.bwEstimator?this.bwEstimator.getEstimate():a.abrEwmaDefaultEstimate,f=(nt.bufferInfo(s,u,a.maxBufferHole).end-u)/d,c=this.findBestLevel(h,n,i,f,a.abrBandWidthFactor,a.abrBandWidthUpFactor);if(c>=0)return c;o.b.trace((f?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var v=l?Math.min(l,a.maxStarvationDelay):a.maxStarvationDelay,g=a.abrBandWidthFactor,p=a.abrBandWidthUpFactor;if(!f){var m=this.bitrateTestDelay;if(m)v=(l?Math.min(l,a.maxLoadingDelay):a.maxLoadingDelay)-m,o.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),g=p=1}return c=this.findBestLevel(h,n,i,f+v,g,p),Math.max(c,0)},l.findBestLevel=function(t,e,r,i,a,n){for(var s,l=this.fragCurrent,u=this.partCurrent,d=this.lastLoadedFragLevel,h=this.hls.levels,f=h[d],c=!(null==f||null===(s=f.details)||void 0===s||!s.live),v=null==f?void 0:f.codecSet,g=u?u.duration:l?l.duration:0,p=r;p>=e;p--){var m=h[p];if(m&&(!v||m.codecSet===v)){var y=m.details,b=(u?null==y?void 0:y.partTarget:null==y?void 0:y.averagetargetduration)||g,T=void 0;T=p<=d?a*t:n*t;var E=h[p].maxBitrate,S=E*b/T;if(o.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+p+"/"+Math.round(T)+"/"+E+"/"+b+"/"+i+"/"+S),T>E&&(!S||c&&!this.bitrateTestDelay||S0||Object.keys(this.pendingTracks).length>0},e.destroy=function(){this.unregisterListeners(),this.details=null},e.registerListeners=function(){var t=this.hls;t.on(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(n.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(n.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(n.a.BUFFER_RESET,this.onBufferReset,this),t.on(n.a.BUFFER_APPENDING,this.onBufferAppending,this),t.on(n.a.BUFFER_CODECS,this.onBufferCodecs,this),t.on(n.a.BUFFER_EOS,this.onBufferEos,this),t.on(n.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(n.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.on(n.a.FRAG_PARSED,this.onFragParsed,this),t.on(n.a.FRAG_CHANGED,this.onFragChanged,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(n.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(n.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(n.a.BUFFER_RESET,this.onBufferReset,this),t.off(n.a.BUFFER_APPENDING,this.onBufferAppending,this),t.off(n.a.BUFFER_CODECS,this.onBufferCodecs,this),t.off(n.a.BUFFER_EOS,this.onBufferEos,this),t.off(n.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(n.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.off(n.a.FRAG_PARSED,this.onFragParsed,this),t.off(n.a.FRAG_CHANGED,this.onFragChanged,this)},e._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new ee(this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},e.onManifestParsed=function(t,e){var r=2;(e.audio&&!e.video||!e.altAudio)&&(r=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=r,this.details=null,o.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},e.onMediaAttaching=function(t,e){var r=this.media=e.media;if(r&&re){var i=this.mediaSource=new re;i.addEventListener("sourceopen",this._onMediaSourceOpen),i.addEventListener("sourceended",this._onMediaSourceEnded),i.addEventListener("sourceclose",this._onMediaSourceClose),r.src=self.URL.createObjectURL(i),this._objectUrl=r.src}},e.onMediaDetaching=function(){var t=this.media,e=this.mediaSource,r=this._objectUrl;if(e){if(o.b.log("[buffer-controller]: media source detaching"),"open"===e.readyState)try{e.endOfStream()}catch(t){o.b.warn("[buffer-controller]: onMediaDetaching: "+t.message+" while calling endOfStream")}this.onBufferReset(),e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),t&&(r&&self.URL.revokeObjectURL(r),t.src===r?(t.removeAttribute("src"),t.load()):o.b.warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={}}this.hls.trigger(n.a.MEDIA_DETACHED,void 0)},e.onBufferReset=function(){var t=this;this.getSourceBufferTypes().forEach((function(e){var r=t.sourceBuffer[e];try{r&&(t.removeBufferListeners(e),t.mediaSource&&t.mediaSource.removeSourceBuffer(r),t.sourceBuffer[e]=void 0)}catch(t){o.b.warn("[buffer-controller]: Failed to reset the "+e+" buffer",t)}})),this._initSourceBuffer()},e.onBufferCodecs=function(t,e){var r=this,i=this.getSourceBufferTypes().length;Object.keys(e).forEach((function(t){if(i){var a=r.tracks[t];if(a&&"function"==typeof a.buffer.changeType){var n=e[t],s=n.codec,o=n.levelCodec,l=n.container;if((a.levelCodec||a.codec).replace(ie,"$1")!==(o||s).replace(ie,"$1")){var u=l+";codecs="+(o||s);r.appendChangeType(t,u)}}}else r.pendingTracks[t]=e[t]})),i||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},e.appendChangeType=function(t,e){var r=this,i=this.operationQueue,a={execute:function(){var a=r.sourceBuffer[t];a&&(o.b.log("[buffer-controller]: changing "+t+" sourceBuffer type to "+e),a.changeType(e)),i.shiftAndExecuteNext(t)},onStart:function(){},onComplete:function(){},onError:function(e){o.b.warn("[buffer-controller]: Failed to change "+t+" SourceBuffer type",e)}};i.append(a,t)},e.onBufferAppending=function(t,e){var r=this,i=this.hls,a=this.operationQueue,l=this.tracks,u=e.data,d=e.type,h=e.frag,f=e.part,c=e.chunkMeta,v=c.buffering[d],g=self.performance.now();v.start=g;var p=h.stats.buffering,m=f?f.stats.buffering:null;0===p.start&&(p.start=g),m&&0===m.start&&(m.start=g);var y=l.audio,b="audio"===d&&1===c.id&&"audio/mpeg"===(null==y?void 0:y.container),T={execute:function(){if(v.executeStart=self.performance.now(),b){var t=r.sourceBuffer[d];if(t){var e=h.start-t.timestampOffset;Math.abs(e)>=.1&&(o.b.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+h.start+" (delta: "+e+") sn: "+h.sn+")"),t.timestampOffset=h.start)}}r.appendExecutor(u,d)},onStart:function(){},onComplete:function(){var t=self.performance.now();v.executeEnd=v.end=t,0===p.first&&(p.first=t),m&&0===m.first&&(m.first=t);var e=r.sourceBuffer,i={};for(var a in e)i[a]=nt.getBuffered(e[a]);r.appendError=0,r.hls.trigger(n.a.BUFFER_APPENDED,{type:d,frag:h,part:f,chunkMeta:c,parent:h.type,timeRanges:i})},onError:function(t){o.b.error("[buffer-controller]: Error encountered while trying to append to the "+d+" SourceBuffer",t);var e={type:s.b.MEDIA_ERROR,parent:h.type,details:s.a.BUFFER_APPEND_ERROR,err:t,fatal:!1};t.code===DOMException.QUOTA_EXCEEDED_ERR?e.details=s.a.BUFFER_FULL_ERROR:(r.appendError++,e.details=s.a.BUFFER_APPEND_ERROR,r.appendError>i.config.appendErrorMaxRetry&&(o.b.error("[buffer-controller]: Failed "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),e.fatal=!0)),i.trigger(n.a.ERROR,e)}};a.append(T,d)},e.onBufferFlushing=function(t,e){var r=this,i=this.operationQueue,a=function(t){return{execute:r.removeExecutor.bind(r,t,e.startOffset,e.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(n.a.BUFFER_FLUSHED,{type:t})},onError:function(e){o.b.warn("[buffer-controller]: Failed to remove from "+t+" SourceBuffer",e)}}};e.type?i.append(a(e.type),e.type):this.getSourceBufferTypes().forEach((function(t){i.append(a(t),t)}))},e.onFragParsed=function(t,e){var r=this,i=e.frag,a=e.part,s=[],l=a?a.elementaryStreams:i.elementaryStreams;l[u.a.AUDIOVIDEO]?s.push("audiovideo"):(l[u.a.AUDIO]&&s.push("audio"),l[u.a.VIDEO]&&s.push("video"));0===s.length&&o.b.warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers((function(){var t=self.performance.now();i.stats.buffering.end=t,a&&(a.stats.buffering.end=t);var e=a?a.stats:i.stats;r.hls.trigger(n.a.FRAG_BUFFERED,{frag:i,part:a,stats:e,id:i.type})}),s)},e.onFragChanged=function(t,e){this.flushBackBuffer()},e.onBufferEos=function(t,e){var r=this;this.getSourceBufferTypes().reduce((function(t,i){var a=r.sourceBuffer[i];return e.type&&e.type!==i||a&&!a.ended&&(a.ended=!0,o.b.log("[buffer-controller]: "+i+" sourceBuffer now EOS")),t&&!(a&&!a.ended)}),!0)&&this.blockBuffers((function(){var t=r.mediaSource;t&&"open"===t.readyState&&t.endOfStream()}))},e.onLevelUpdated=function(t,e){var r=e.details;r.fragments.length&&(this.details=r,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},e.flushBackBuffer=function(){var t=this.hls,e=this.details,r=this.media,i=this.sourceBuffer;if(r&&null!==e){var s=this.getSourceBufferTypes();if(s.length){var o=e.live&&null!==t.config.liveBackBufferLength?t.config.liveBackBufferLength:t.config.backBufferLength;if(Object(a.a)(o)&&!(o<0)){var l=r.currentTime,u=e.levelTargetDuration,d=Math.max(o,u),h=Math.floor(l/u)*u-d;s.forEach((function(r){var a=i[r];if(a){var s=nt.getBuffered(a);s.length>0&&h>s.start(0)&&(t.trigger(n.a.BACK_BUFFER_REACHED,{bufferEnd:h}),e.live&&t.trigger(n.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:h}),t.trigger(n.a.BUFFER_FLUSHING,{startOffset:0,endOffset:h,type:r}))}}))}}}},e.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var t=this.details,e=this.hls,r=this.media,i=this.mediaSource,n=t.fragments[0].start+t.totalduration,s=r.duration,l=Object(a.a)(i.duration)?i.duration:0;t.live&&e.config.liveDurationInfinity?(o.b.log("[buffer-controller]: Media Source duration is set to Infinity"),i.duration=1/0,this.updateSeekableRange(t)):(n>l&&n>s||!Object(a.a)(s))&&(o.b.log("[buffer-controller]: Updating Media Source duration to "+n.toFixed(3)),i.duration=n)}},e.updateSeekableRange=function(t){var e=this.mediaSource,r=t.fragments;if(r.length&&t.live&&null!=e&&e.setLiveSeekableRange){var i=Math.max(0,r[0].start),a=Math.max(i,i+t.totalduration);e.setLiveSeekableRange(i,a)}},e.checkPendingTracks=function(){var t=this.bufferCodecEventsExpected,e=this.operationQueue,r=this.pendingTracks,i=Object.keys(r).length;if(i&&!t||2===i){this.createSourceBuffers(r),this.pendingTracks={};var a=this.getSourceBufferTypes();if(0===a.length)return void this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,reason:"could not create source buffer for media codec(s)"});a.forEach((function(t){e.executeNext(t)}))}},e.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");var i=0;for(var a in t)if(!e[a]){var l=t[a];if(!l)throw Error("source buffer exists for track "+a+", however track does not");var u=l.levelCodec||l.codec,d=l.container+";codecs="+u;o.b.log("[buffer-controller]: creating sourceBuffer("+d+")");try{var h=e[a]=r.addSourceBuffer(d),f=a;this.addBufferListener(f,"updatestart",this._onSBUpdateStart),this.addBufferListener(f,"updateend",this._onSBUpdateEnd),this.addBufferListener(f,"error",this._onSBUpdateError),this.tracks[a]={buffer:h,codec:u,container:l.container,levelCodec:l.levelCodec,id:l.id},i++}catch(t){o.b.error("[buffer-controller]: error while trying to add sourceBuffer: "+t.message),this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:t,mimeType:d})}}i&&this.hls.trigger(n.a.BUFFER_CREATED,{tracks:this.tracks})},e._onSBUpdateStart=function(t){this.operationQueue.current(t).onStart()},e._onSBUpdateEnd=function(t){var e=this.operationQueue;e.current(t).onComplete(),e.shiftAndExecuteNext(t)},e._onSBUpdateError=function(t,e){o.b.error("[buffer-controller]: "+t+" SourceBuffer error",e),this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_APPENDING_ERROR,fatal:!1});var r=this.operationQueue.current(t);r&&r.onError(e)},e.removeExecutor=function(t,e,r){var i=this.media,n=this.mediaSource,s=this.operationQueue,l=this.sourceBuffer[t];if(!i||!n||!l)return o.b.warn("[buffer-controller]: Attempting to remove from the "+t+" SourceBuffer, but it does not exist"),void s.shiftAndExecuteNext(t);var u=Object(a.a)(i.duration)?i.duration:1/0,d=Object(a.a)(n.duration)?n.duration:1/0,h=Math.max(0,e),f=Math.min(r,u,d);f>h?(o.b.log("[buffer-controller]: Removing ["+h+","+f+"] from the "+t+" SourceBuffer"),l.remove(h,f)):s.shiftAndExecuteNext(t)},e.appendExecutor=function(t,e){var r=this.operationQueue,i=this.sourceBuffer[e];if(!i)return o.b.warn("[buffer-controller]: Attempting to append to the "+e+" SourceBuffer, but it does not exist"),void r.shiftAndExecuteNext(e);i.ended=!1,i.appendBuffer(t)},e.blockBuffers=function(t,e){var r=this;if(void 0===e&&(e=this.getSourceBufferTypes()),!e.length)return o.b.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve(t);var i=this.operationQueue,a=e.map((function(t){return i.appendBlocker(t)}));Promise.all(a).then((function(){t(),e.forEach((function(t){var e=r.sourceBuffer[t];e&&e.updating||i.shiftAndExecuteNext(t)}))}))},e.getSourceBufferTypes=function(){return Object.keys(this.sourceBuffer)},e.addBufferListener=function(t,e,r){var i=this.sourceBuffer[t];if(i){var a=r.bind(this,t);this.listeners[t].push({event:e,listener:a}),i.addEventListener(e,a)}},e.removeBufferListeners=function(t){var e=this.sourceBuffer[t];e&&this.listeners[t].forEach((function(t){e.removeEventListener(t.event,t.listener)}))},t}();function ne(t,e){for(var r=0;r0&&this.mediaWidth>0){var t=this.hls.levels;if(t.length){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t.length-1),e.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},a.getMaxLevel=function(e){var r=this,i=this.hls.levels;if(!i.length)return-1;var a=i.filter((function(i,a){return t.isLevelAllowed(a,r.restrictedLevels)&&a<=e}));return this.clientRect=null,t.getMaxLevelByMediaSize(a,this.mediaWidth,this.mediaHeight)},a.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},a.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},a.getDimensions=function(){if(this.clientRect)return this.clientRect;var t=this.media,e={width:0,height:0};if(t){var r=t.getBoundingClientRect();e.width=r.width,e.height=r.height,e.width||e.height||(e.width=r.right-r.left||t.width||0,e.height=r.bottom-r.top||t.height||0)}return this.clientRect=e,e},t.isLevelAllowed=function(t,e){return void 0===e&&(e=[]),-1===e.indexOf(t)},t.getMaxLevelByMediaSize=function(t,e,r){if(!t||!t.length)return-1;for(var i,a,n=t.length-1,s=0;s=e||o.height>=r)&&(i=o,!(a=t[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},e=t,i=[{key:"contentScaleFactor",get:function(){var t=1;try{t=self.devicePixelRatio}catch(t){}return t}}],(r=[{key:"mediaWidth",get:function(){return this.getDimensions().width*t.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*t.contentScaleFactor}}])&&ne(e.prototype,r),i&&ne(e,i),t}(),oe=function(){function t(t){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=t,this.registerListeners()}var e=t.prototype;return e.setStreamController=function(t){this.streamController=t},e.registerListeners=function(){this.hls.on(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this)},e.unregisterListeners=function(){this.hls.off(n.a.MEDIA_ATTACHING,this.onMediaAttaching)},e.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},e.onMediaAttaching=function(t,e){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=e.media instanceof self.HTMLVideoElement?e.media:null;this.media=i,i&&"function"==typeof i.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),r.fpsDroppedMonitoringPeriod)}},e.checkFPS=function(t,e,r){var i=performance.now();if(e){if(this.lastTime){var a=i-this.lastTime,s=r-this.lastDroppedFrames,l=e-this.lastDecodedFrames,u=1e3*s/a,d=this.hls;if(d.trigger(n.a.FPS_DROP,{currentDropped:s,currentDecoded:l,totalDroppedFrames:r}),u>0&&s>d.config.fpsDroppedMonitoringThreshold*l){var h=d.currentLevel;o.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+h),h>0&&(-1===d.autoLevelCapping||d.autoLevelCapping>=h)&&(h-=1,d.trigger(n.a.FPS_DROP_LEVEL_CAPPING,{level:h,droppedLevel:d.currentLevel}),d.autoLevelCapping=h,this.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=e}},e.checkFPSInterval=function(){var t=this.media;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},t}(),le=r(12),ue=/^age:\s*[\d.]+\s*$/m,de=function(){function t(t){this.xhrSetup=void 0,this.requestTimeout=void 0,this.retryTimeout=void 0,this.retryDelay=void 0,this.config=null,this.callbacks=null,this.context=void 0,this.loader=null,this.stats=void 0,this.xhrSetup=t?t.xhrSetup:null,this.stats=new le.a,this.retryDelay=0}var e=t.prototype;return e.destroy=function(){this.callbacks=null,this.abortInternal(),this.loader=null,this.config=null},e.abortInternal=function(){var t=this.loader;self.clearTimeout(this.requestTimeout),self.clearTimeout(this.retryTimeout),t&&(t.onreadystatechange=null,t.onprogress=null,4!==t.readyState&&(this.stats.aborted=!0,t.abort()))},e.abort=function(){var t;this.abortInternal(),null!==(t=this.callbacks)&&void 0!==t&&t.onAbort&&this.callbacks.onAbort(this.stats,this.context,this.loader)},e.load=function(t,e,r){if(this.stats.loading.start)throw new Error("Loader can only be used once.");this.stats.loading.start=self.performance.now(),this.context=t,this.config=e,this.callbacks=r,this.retryDelay=e.retryDelay,this.loadInternal()},e.loadInternal=function(){var t=this.config,e=this.context;if(t){var r=this.loader=new self.XMLHttpRequest,i=this.stats;i.loading.first=0,i.loaded=0;var a=this.xhrSetup;try{if(a)try{a(r,e.url)}catch(t){r.open("GET",e.url,!0),a(r,e.url)}r.readyState||r.open("GET",e.url,!0)}catch(t){return void this.callbacks.onError({code:r.status,text:t.message},e,r)}e.rangeEnd&&r.setRequestHeader("Range","bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),r.onreadystatechange=this.readystatechange.bind(this),r.onprogress=this.loadprogress.bind(this),r.responseType=e.responseType,self.clearTimeout(this.requestTimeout),this.requestTimeout=self.setTimeout(this.loadtimeout.bind(this),t.timeout),r.send()}},e.readystatechange=function(){var t=this.context,e=this.loader,r=this.stats;if(t&&e){var i=e.readyState,a=this.config;if(!r.aborted&&i>=2)if(self.clearTimeout(this.requestTimeout),0===r.loading.first&&(r.loading.first=Math.max(self.performance.now(),r.loading.start)),4===i){e.onreadystatechange=null,e.onprogress=null;var n=e.status;if(n>=200&&n<300){var s,l;if(r.loading.end=Math.max(self.performance.now(),r.loading.first),l="arraybuffer"===t.responseType?(s=e.response).byteLength:(s=e.responseText).length,r.loaded=r.total=l,!this.callbacks)return;var u=this.callbacks.onProgress;if(u&&u(r,t,s,e),!this.callbacks)return;var d={url:e.responseURL,data:s};this.callbacks.onSuccess(d,r,t,e)}else r.retry>=a.maxRetry||n>=400&&n<499?(o.b.error(n+" while loading "+t.url),this.callbacks.onError({code:n,text:e.statusText},t,e)):(o.b.warn(n+" while loading "+t.url+", retrying in "+this.retryDelay+"..."),this.abortInternal(),this.loader=null,self.clearTimeout(this.retryTimeout),this.retryTimeout=self.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,a.maxRetryDelay),r.retry++)}else self.clearTimeout(this.requestTimeout),this.requestTimeout=self.setTimeout(this.loadtimeout.bind(this),a.timeout)}},e.loadtimeout=function(){o.b.warn("timeout while loading 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D=R,_=null,k=[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],x=[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],C=[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],w=[0,1,1,4];function O(t,e,r,i,a){if(!(r+24>e.length)){var n=I(e,r);if(n&&r+n.frameLength<=e.length){var s=i+a*(9e4*n.samplesPerFrame/n.sampleRate),o={unit:e.subarray(r,r+n.frameLength),pts:s,dts:s};return t.config=[],t.channelCount=n.channelCount,t.samplerate=n.sampleRate,t.samples.push(o),{sample:o,length:n.frameLength,missing:0}}}}function I(t,e){var r=t[e+1]>>3&3,i=t[e+1]>>1&3,a=t[e+2]>>4&15,n=t[e+2]>>2&3;if(1!==r&&0!==a&&15!==a&&3!==n){var s=t[e+2]>>1&1,o=t[e+3]>>6,l=1e3*k[14*(3===r?3-i:3===i?3:4)+a-1],u=x[3*(3===r?0:2===r?1:2)+n],d=3===o?1:2,h=C[r][i],f=w[i],c=8*h*f,v=Math.floor(h*l/u+s)*f;if(null===_){var g=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);_=g?parseInt(g[1]):0}return!!_&&_<=87&&2===i&&l>=224e3&&0===o&&(t[e+3]=128|t[e+3]),{sampleRate:u,channelCount:d,frameLength:v,samplesPerFrame:c}}}function P(t,e){return 255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1])}function F(t,e){return e+1t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,t-=(e=t>>3)>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)},e.readBits=function(t){var e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&c.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,a=32;a=t.length)return void i();for(var a=t[e].units;!(r>=a.length);r++){var n=a[r];if(!(n.data.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,i,n,s),!s)return}}}},t}(),U={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&&c.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=R+5+e[R+4])===R+188)continue}else k=R+4;switch(_){case f:D&&(v&&(o=V(v))&&this.parseAVCPES(o,!1),v={data:[],size:0}),v&&(v.data.push(e.subarray(k,R+188)),v.size+=R+188-k);break;case g:D&&(m&&(o=V(m))&&(d.isAAC?this.parseAACPES(o):this.parseMPEGPES(o)),m={data:[],size:0}),m&&(m.data.push(e.subarray(k,R+188)),m.size+=R+188-k);break;case p:D&&(y&&(o=V(y))&&this.parseID3PES(o),y={data:[],size:0}),y&&(y.data.push(e.subarray(k,R+188)),y.size+=R+188-k);break;case 0:D&&(k+=e[k]+1),E=this._pmtId=H(e,k);break;case E:D&&(k+=e[k]+1);var x=K(e,k,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,n);(f=x.avc)>0&&(u.pid=f),(g=x.audio)>0&&(d.pid=g,d.isAAC=x.isAAC),(p=x.id3)>0&&(h.pid=p),b&&!T&&(c.b.log("reparse from beginning"),b=!1,R=L-188),T=this.pmtParsed=!0;break;case 17:case 8191:break;default:b=!0}}else A++;A>0&&this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"Found "+A+" TS packet/s that do not start with 0x47"}),u.pesData=v,d.pesData=m,h.pesData=y;var C={audioTrack:d,avcTrack:u,id3Track:h,textTrack:this._txtTrack};return s&&this.extractRemainingSamples(C),C},e.flush=function(){var t,e=this.remainderData;return this.remainderData=null,t=e?this.demux(e,-1,!1,!0):{audioTrack:this._audioTrack,avcTrack:this._avcTrack,textTrack:this._txtTrack,id3Track:this._id3Track},this.extractRemainingSamples(t),this.sampleAes?this.decrypt(t,this.sampleAes):t},e.extractRemainingSamples=function(t){var e,r=t.audioTrack,i=t.avcTrack,a=t.id3Track,n=i.pesData,s=r.pesData,o=a.pesData;n&&(e=V(n))?(this.parseAVCPES(e,!0),i.pesData=null):i.pesData=n,s&&(e=V(s))?(r.isAAC?this.parseAACPES(e):this.parseMPEGPES(e),r.pesData=null):(null!=s&&s.size&&c.b.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=s),o&&(e=V(o))?(this.parseID3PES(e),a.pesData=null):a.pesData=o},e.demuxSampleAes=function(t,e,r){var i=this.demux(t,r,!0,!this.config.progressive),a=this.sampleAes=new B(this.observer,this.config,e);return this.decrypt(i,a)},e.decrypt=function(t,e){return new Promise((function(r){var i=t.audioTrack,a=t.avcTrack;i.samples&&i.isAAC?e.decryptAacSamples(i.samples,0,(function(){a.samples?e.decryptAvcSamples(a.samples,0,0,(function(){r(t)})):r(t)})):a.samples&&e.decryptAvcSamples(a.samples,0,0,(function(){r(t)}))}))},e.destroy=function(){this._initPTS=this._initDTS=null,this._duration=0},e.parseAVCPES=function(t,e){var r,i=this,a=this._avcTrack,n=this.parseAVCNALu(t.data),s=this.avcSample,l=!1;t.data=null,s&&n.length&&!a.audFound&&(W(s,a),s=this.avcSample=j(!1,t.pts,t.dts,"")),n.forEach((function(e){switch(e.type){case 1:r=!0,s||(s=i.avcSample=j(!0,t.pts,t.dts,"")),s.frame=!0;var n=e.data;if(l&&n.length>4){var u=new N(n).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(s.key=!0)}break;case 5:r=!0,s||(s=i.avcSample=j(!0,t.pts,t.dts,"")),s.key=!0,s.frame=!0;break;case 6:r=!0;var d=new N(X(e.data));d.readUByte();for(var h=0,f=0,c=!1,v=0;!c&&d.bytesAvailable>1;){h=0;do{h+=v=d.readUByte()}while(255===v);f=0;do{f+=v=d.readUByte()}while(255===v);if(4===h&&0!==d.bytesAvailable){if(c=!0,181===d.readUByte())if(49===d.readUShort())if(1195456820===d.readUInt())if(3===d.readUByte()){for(var g=d.readUByte(),p=31&g,m=[g,d.readUByte()],y=0;y16){for(var b=[],T=0;T<16;T++)b.push(d.readUByte().toString(16)),3!==T&&5!==T&&7!==T&&9!==T||b.push("-");for(var E=f-16,S=new Uint8Array(E),L=0;L=0){var h={data:t.subarray(u,l-n-1),type:d};o.push(h)}else{var f=this.getLastNalUnit();if(f&&(s&&l<=4-s&&f.state&&(f.data=f.data.subarray(0,f.data.byteLength-s)),(r=l-n-1)>0)){var c=new Uint8Array(f.data.byteLength+r);c.set(f.data,0),c.set(t.subarray(0,r),f.data.byteLength),f.data=c,f.state=0}}l=0&&n>=0){var v={data:t.subarray(u,i),type:d,state:n};o.push(v)}if(0===o.length){var g=this.getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+t.byteLength);p.set(g.data,0),p.set(t,g.data.byteLength),g.data=p}}return a.naluState=n,o},e.parseAACPES=function(t){var e,r,n,s,o,l=0,u=this._audioTrack,d=this.aacOverFlow,h=t.data;if(d){this.aacOverFlow=null;var f=d.sample.unit.byteLength,v=Math.min(d.missing,f),g=f-v;d.sample.unit.set(h.subarray(0,v),g),u.samples.push(d.sample),l=d.missing}for(e=l,r=h.length;e1;){var l=new Uint8Array(o[0].length+o[1].length);l.set(o[0]),l.set(o[1],o[0].length),o[0]=l,o.splice(1,1)}if(1===((e=o[0])[0]<<16)+(e[1]<<8)+e[2]){if((r=(e[4]<<8)+e[5])&&r>t.size-6)return null;var u=e[7];192&u&&(a=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&u?a-(n=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2)>54e5&&(c.b.warn(Math.round((a-n)/9e4)+"s delta between PTS and DTS, align them"),a=n):n=a);var d=(i=e[8])+9;if(t.size<=d)return null;t.size-=d;for(var h=new Uint8Array(t.size),f=0,v=o.length;fg){d-=g;continue}e=e.subarray(d),g-=d,d=0}h.set(e,s),s+=g}return r&&(r-=i+3),{data:h,pts:a,dts:n,len:r}}return null}function W(t,e){if(t.units.length&&t.frame){if(void 0===t.pts){var r=e.samples,i=r.length;if(!i)return void e.dropped++;var a=r[i-1];t.pts=a.pts,t.dts=a.dts}e.samples.push(t)}t.debug.length&&c.b.log(t.pts+"/"+t.dts+":"+t.debug)}function Y(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts1?r-1:0),a=1;a>24&255,o[1]=e>>16&255,o[2]=e>>8&255,o[3]=255&e,o.set(t,4),n=0,e=8;n>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var i=Math.floor(r/(J+1)),a=Math.floor(r%(J+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,n)},t.sdtp=function(e){var r,i,a=e.samples||[],n=new Uint8Array(4+a.length);for(r=0;r>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255),s.push(255&a),s=s.concat(Array.prototype.slice.call(i));var o=t.box(t.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|e.sps.length].concat(n).concat([e.pps.length]).concat(s))),l=e.width,u=e.height,d=e.pixelRatio[0],h=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,h>>24,h>>16&255,h>>8&255,255&h])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,i=e.duration*e.timescale,a=e.width,n=e.height,s=Math.floor(i/(J+1)),o=Math.floor(i%(J+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},t.traf=function(e,r){var i=t.sdtp(e),a=e.id,n=Math.floor(r/(J+1)),s=Math.floor(r%(J+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),t.trun(e,i.length+16+20+8+16+8+8),i)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,r){var i,a,n,s,o,l,u=e.samples||[],d=u.length,h=12+16*d,f=new Uint8Array(h);for(r+=8+h,f.set([0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return t.box(t.types.trun,f)},t.initSegment=function(e){t.types||t.init();var r=t.moov(e),i=new Uint8Array(t.FTYP.byteLength+r.byteLength);return i.set(t.FTYP),i.set(r,t.FTYP.byteLength),i},t}();tt.types=void 0,tt.HDLR_TYPES=void 0,tt.STTS=void 0,tt.STSC=void 0,tt.STCO=void 0,tt.STSZ=void 0,tt.VMHD=void 0,tt.SMHD=void 0,tt.STSD=void 0,tt.FTYP=void 0,tt.DINF=void 0;var et=tt,rt=r(4);function it(t,e,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=t*e*r;return i?Math.round(a):a}function at(t,e){return void 0===e&&(e=!1),it(t,1e3,1/9e4,e)}function nt(){return(nt=Object.assign||function(t){for(var e=1;e0?t:r.pts}),t[0].pts);return e&&c.b.debug("PTS rollover detected"),r},e.remux=function(t,e,r,i,a,n,s,o){var l,u,d,h,f,v,g=a,p=a,m=t.pid>-1,y=e.pid>-1,b=e.samples.length,T=t.samples.length>0,E=b>1;if((!m||T)&&(!y||E)||this.ISGenerated||s){this.ISGenerated||(d=this.generateIS(t,e,a));var S=this.isVideoContiguous,L=-1;if(E&&(L=function(t){for(var e=0;e0){c.b.warn("[mp4-remuxer]: Dropped "+L+" out of "+b+" video samples due to a missing keyframe");var A=this.getVideoStartPts(e.samples);e.samples=e.samples.slice(L),e.dropped+=L,p+=(e.samples[0].pts-A)/(e.timescale||9e4)}else-1===L&&(c.b.warn("[mp4-remuxer]: No keyframe found out of "+b+" video samples"),v=!1);if(this.ISGenerated){if(T&&E){var R=this.getVideoStartPts(e.samples),D=(dt(t.samples[0].pts,R)-R)/e.inputTimeScale;g+=Math.max(0,D),p+=Math.max(0,-D)}if(T){if(t.samplerate||(c.b.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),d=this.generateIS(t,e,a)),u=this.remuxAudio(t,g,this.isAudioContiguous,n,y||E||o===rt.b.AUDIO?p:void 0),E){var _=u?u.endPTS-u.startPTS:0;e.inputTimeScale||(c.b.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),d=this.generateIS(t,e,a)),l=this.remuxVideo(e,p,S,_)}}else E&&(l=this.remuxVideo(e,p,S,0));l&&(l.firstKeyFrame=L,l.independent=-1!==L)}}return this.ISGenerated&&(r.samples.length&&(f=this.remuxID3(r,a)),i.samples.length&&(h=this.remuxText(i,a))),{audio:u,video:l,initSegment:d,independent:v,text:h,id3:f}},e.generateIS=function(t,e,r){var i,a,n,o=t.samples,l=e.samples,u=this.typeSupported,d={},h=!Object(s.a)(this._initPTS),f="audio/mp4";if(h&&(i=a=1/0),t.config&&o.length&&(t.timescale=t.samplerate,t.isAAC||(u.mpeg?(f="audio/mpeg",t.codec=""):u.mp3&&(t.codec="mp3")),d.audio={id:"audio",container:f,codec:t.codec,initSegment:!t.isAAC&&u.mpeg?new Uint8Array(0):et.initSegment([t]),metadata:{channelCount:t.channelCount}},h&&(n=t.inputTimeScale,i=a=o[0].pts-Math.round(n*r))),e.sps&&e.pps&&l.length&&(e.timescale=e.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:e.codec,initSegment:et.initSegment([e]),metadata:{width:e.width,height:e.height}},h)){n=e.inputTimeScale;var c=this.getVideoStartPts(l),v=Math.round(n*r);a=Math.min(a,dt(l[0].dts,c)-v),i=Math.min(i,c-v)}if(Object.keys(d).length)return this.ISGenerated=!0,h&&(this._initPTS=i,this._initDTS=a),{tracks:d,initPTS:i,timescale:n}},e.remuxVideo=function(t,e,r,n){var s,o,l,u=t.inputTimeScale,d=t.samples,h=[],f=d.length,v=this._initPTS,g=this.nextAvcDts,p=8,m=Number.POSITIVE_INFINITY,y=Number.NEGATIVE_INFINITY,b=0,T=!1;r&&null!==g||(g=e*u-(d[0].pts-dt(d[0].dts,d[0].pts)));for(var E=0;ES.pts){b=Math.max(Math.min(b,S.pts-S.dts),-18e3)}S.dts0?E-1:E].dts&&(T=!0)}T&&d.sort((function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||i})),o=d[0].dts,l=d[d.length-1].dts;var L=Math.round((l-o)/(f-1));if(b<0){if(b<-2*L){c.b.warn("PTS < DTS detected in video samples, offsetting DTS from PTS by "+at(-L,!0)+" ms");for(var A=b,R=0;RL;if(k||_<-1){k?c.b.warn("AVC: "+at(_,!0)+" ms ("+_+"dts) hole between fragments detected, filling it"):c.b.warn("AVC: "+at(-_,!0)+" ms ("+_+"dts) overlapping between fragments detected"),o=g;var x=d[0].pts-_;d[0].dts=o,d[0].pts=x,c.b.log("Video: First PTS/DTS adjusted: "+at(x,!0)+"/"+at(o,!0)+", delta: "+at(_,!0)+" ms")}}lt&&(o=Math.max(0,o));for(var C=0,w=0,O=0;O0?j-1:j].dts;if(Q.stretchShortVideoTrack&&null!==this.nextAudioPts){var Z=Math.floor(Q.maxBufferHole*u),J=(n?m+n*u:this.nextAudioPts)-H.pts;J>Z?((s=J-$)<0&&(s=$),c.b.log("[mp4-remuxer]: It is approximately "+J/90+" ms to the next segment; using duration "+s/90+" ms for the last video frame.")):s=$}else s=$}var tt=Math.round(H.pts-H.dts);h.push(new ht(H.key,s,V,tt))}if(h.length&&st&&st<70){var rt=h[0].flags;rt.dependsOn=2,rt.isNonSync=0}this.nextAvcDts=g=l+s,this.isVideoContiguous=!0;var it={data1:et.moof(t.sequenceNumber++,o,nt({},t,{samples:h})),data2:B,startPTS:m/u,endPTS:(y+s)/u,startDTS:o/u,endDTS:g/u,type:"video",hasAudio:!1,hasVideo:!0,nb:h.length,dropped:t.dropped};return t.samples=[],t.dropped=0,it},e.remuxAudio=function(t,e,r,n,s){var o=t.inputTimeScale,l=o/(t.samplerate?t.samplerate:o),u=t.isAAC?1024:1152,d=u*l,h=this._initPTS,f=!t.isAAC&&this.typeSupported.mpeg,v=[],g=t.samples,p=f?0:8,m=this.nextAudioPts||-1,y=e*o;if(this.isAudioContiguous=r=r||g.length&&m>0&&(n&&Math.abs(y-m)<9e3||Math.abs(dt(g[0].pts-h,y)-m)<20*d),g.forEach((function(t){t.pts=dt(t.pts-h,y)})),!r||m<0){if(!(g=g.filter((function(t){return t.pts>=0}))).length)return;m=0===s?0:n?Math.max(0,y):g[0].pts}if(t.isAAC)for(var b=void 0!==s,T=this.config.maxAudioFramesDrift,E=0,S=m;E=T*d&&D<1e4&&b){var _=Math.round(R/d);(S=A-_*d)<0&&(_--,S+=d),0===E&&(this.nextAudioPts=m=S),c.b.warn("[mp4-remuxer]: Injecting "+_+" audio frame @ "+(S/o).toFixed(3)+"s due to "+Math.round(1e3*R/o)+" ms gap.");for(var k=0;k<_;k++){var x=Math.max(S,0),C=Z.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);C||(c.b.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),C=L.unit.subarray()),g.splice(E,0,{unit:C,pts:x}),S+=d,E++}}L.pts=S,S+=d}for(var w,O=null,I=null,P=0,F=g.length;F--;)P+=g[F].unit.byteLength;for(var M=0,N=g.length;M0))return;P+=p;try{w=new Uint8Array(P)}catch(t){return void this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:P,reason:"fail allocating audio mdat "+P})}f||(new DataView(w.buffer).setUint32(0,P),w.set(et.types.mdat,4))}w.set(U,p);var j=U.byteLength;p+=j,v.push(new ht(!0,u,j,0)),I=G}var H=v.length;if(H){var K=v[v.length-1];this.nextAudioPts=m=I+l*K.duration;var V=f?new Uint8Array(0):et.moof(t.sequenceNumber++,O/l,nt({},t,{samples:v}));t.samples=[];var W=O/o,Y=m/o,X={data1:V,data2:w,startPTS:W,endPTS:Y,startDTS:W,endDTS:Y,type:"audio",hasAudio:!0,hasVideo:!1,nb:H};return this.isAudioContiguous=!0,X}},e.remuxEmptyAudio=function(t,e,r,i){var a=t.inputTimeScale,n=a/(t.samplerate?t.samplerate:a),s=this.nextAudioPts,o=(null!==s?s:i.startDTS*a)+this._initDTS,l=i.endDTS*a+this._initDTS,u=1024*n,d=Math.ceil((l-o)/u),h=Z.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(c.b.warn("[mp4-remuxer]: remux empty Audio"),h){for(var f=[],v=0;v4294967296;)t+=r;return t}var ht=function(t,e,r,i){this.size=void 0,this.duration=void 0,this.cts=void 0,this.flags=void 0,this.duration=e,this.size=r,this.cts=i,this.flags=new ft(t)},ft=function(t){this.isLeading=0,this.isDependedOn=0,this.hasRedundancy=0,this.degradPrio=0,this.dependsOn=1,this.isNonSync=1,this.dependsOn=t?2:1,this.isNonSync=t?0:1},ct=r(5),vt=function(){function t(){this.emitInitSegment=!1,this.audioCodec=void 0,this.videoCodec=void 0,this.initData=void 0,this.initPTS=void 0,this.initTracks=void 0,this.lastEndDTS=null}var e=t.prototype;return e.destroy=function(){},e.resetTimeStamp=function(t){this.initPTS=t,this.lastEndDTS=null},e.resetNextTimestamp=function(){this.lastEndDTS=null},e.resetInitSegment=function(t,e,r){this.audioCodec=e,this.videoCodec=r,this.generateInitSegment(t),this.emitInitSegment=!0},e.generateInitSegment=function(t){var e=this.audioCodec,r=this.videoCodec;if(!t||!t.byteLength)return this.initTracks=void 0,void(this.initData=void 0);var i=this.initData=Object(l.f)(t);e||(e=pt(i.audio,ct.a.AUDIO)),r||(r=pt(i.video,ct.a.VIDEO));var a={};i.audio&&i.video?a.audiovideo={container:"video/mp4",codec:e+","+r,initSegment:t,id:"main"}:i.audio?a.audio={container:"audio/mp4",codec:e,initSegment:t,id:"audio"}:i.video?a.video={container:"video/mp4",codec:r,initSegment:t,id:"main"}:c.b.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=a},e.remux=function(t,e,r,i,a){var n=this.initPTS,o=this.lastEndDTS,u={audio:void 0,video:void 0,text:i,id3:r,initSegment:void 0};Object(s.a)(o)||(o=this.lastEndDTS=a||0);var d=e.samples;if(!d||!d.length)return u;var h={initPTS:void 0,timescale:1},f=this.initData;if(f&&f.length||(this.generateInitSegment(d),f=this.initData),!f||!f.length)return c.b.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),u;this.emitInitSegment&&(h.tracks=this.initTracks,this.emitInitSegment=!1),Object(s.a)(n)||(this.initPTS=h.initPTS=n=gt(f,d,o));var v=Object(l.c)(d,f),g=o,p=v+g;Object(l.e)(f,d,n),v>0?this.lastEndDTS=p:(c.b.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var m=!!f.audio,y=!!f.video,b="";m&&(b+="audio"),y&&(b+="video");var T={data1:d,startPTS:g,startDTS:g,endPTS:p,endDTS:p,type:b,hasAudio:m,hasVideo:y,nb:1,dropped:0};return u.audio="audio"===T.type?T:void 0,u.video="audio"!==T.type?T:void 0,u.text=i,u.id3=r,u.initSegment=h,u},t}(),gt=function(t,e,r){return Object(l.d)(t,e)-r};function pt(t,e){var r=null==t?void 0:t.codec;return r&&r.length>4?r:"hvc1"===r?"hvc1.1.c.L120.90":"av01"===r?"av01.0.04M.08":"avc1"===r||e===ct.a.VIDEO?"avc1.42e01e":"mp4a.40.5"}var mt,yt=vt,bt=r(16);try{mt=self.performance.now.bind(self.performance)}catch(t){c.b.debug("Unable to use Performance API on this environment"),mt=self.Date.now}var Tt=[{demux:q,remux:ut},{demux:D,remux:yt},{demux:A,remux:ut},{demux:$,remux:ut}],Et=1024;Tt.forEach((function(t){var e=t.demux;Et=Math.max(Et,e.minProbeByteLength)}));var St=function(){function t(t,e,r,i,a){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 0,this.decryptionPromise=null,this.transmuxConfig=void 0,this.currentTransmuxState=void 0,this.cache=new bt.a,this.observer=t,this.typeSupported=e,this.config=r,this.vendor=i,this.id=a}var e=t.prototype;return e.configure=function(t){this.transmuxConfig=t,this.decrypter&&this.decrypter.reset()},e.push=function(t,e,r,i){var a=this,n=r.transmuxing;n.executeStart=mt();var s=new Uint8Array(t),o=this.cache,u=this.config,d=this.currentTransmuxState,h=this.transmuxConfig;i&&(this.currentTransmuxState=i);var f=function(t,e){var r=null;t.byteLength>0&&null!=e&&null!=e.key&&null!==e.iv&&null!=e.method&&(r=e);return r}(s,e);if(f&&"AES-128"===f.method){var c=this.getDecrypter();if(!u.enableSoftwareAES)return this.decryptionPromise=c.webCryptoDecrypt(s,f.key.buffer,f.iv.buffer).then((function(t){var e=a.push(t,null,r);return a.decryptionPromise=null,e})),this.decryptionPromise;var v=c.softwareDecrypt(s,f.key.buffer,f.iv.buffer);if(!v)return n.executeEnd=mt(),Lt(r);s=new Uint8Array(v)}var g=i||d,p=g.contiguous,m=g.discontinuity,y=g.trackSwitch,b=g.accurateTimeOffset,T=g.timeOffset,E=g.initSegmentChange,S=h.audioCodec,L=h.videoCodec,A=h.defaultInitPts,R=h.duration,D=h.initSegmentData;if((m||y||E)&&this.resetInitSegment(D,S,L,R),(m||E)&&this.resetInitialTimestamp(A),p||this.resetContiguity(),this.needsProbing(s,m,y)){if(o.dataLength){var _=o.flush();s=Object(l.a)(_,s)}this.configureTransmuxer(s,h)}var k=this.transmux(s,f,T,b,r),x=this.currentTransmuxState;return x.contiguous=!0,x.discontinuity=!1,x.trackSwitch=!1,n.executeEnd=mt(),k},e.flush=function(t){var e=this,r=t.transmuxing;r.executeStart=mt();var n=this.decrypter,s=this.cache,o=this.currentTransmuxState,l=this.decryptionPromise;if(l)return l.then((function(){return e.flush(t)}));var u=[],d=o.timeOffset;if(n){var h=n.flush();h&&u.push(this.push(h,null,t))}var f=s.dataLength;s.reset();var c=this.demuxer,v=this.remuxer;if(!c||!v)return f>=Et&&this.observer.emit(i.a.ERROR,i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"}),r.executeEnd=mt(),[Lt(t)];var g=c.flush(d);return At(g)?g.then((function(r){return e.flushRemux(u,r,t),u})):(this.flushRemux(u,g,t),u)},e.flushRemux=function(t,e,r){var i=e.audioTrack,a=e.avcTrack,n=e.id3Track,s=e.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;c.b.log("[transmuxer.ts]: Flushed fragment "+r.sn+(r.part>-1?" p: "+r.part:"")+" of level "+r.level);var d=this.remuxer.remux(i,a,n,s,u,l,!0,this.id);t.push({remuxResult:d,chunkMeta:r}),r.transmuxing.executeEnd=mt()},e.resetInitialTimestamp=function(t){var e=this.demuxer,r=this.remuxer;e&&r&&(e.resetTimeStamp(t),r.resetTimeStamp(t))},e.resetContiguity=function(){var t=this.demuxer,e=this.remuxer;t&&e&&(t.resetContiguity(),e.resetNextTimestamp())},e.resetInitSegment=function(t,e,r,i){var a=this.demuxer,n=this.remuxer;a&&n&&(a.resetInitSegment(e,r,i),n.resetInitSegment(t,e,r))},e.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},e.transmux=function(t,e,r,i,a){return e&&"SAMPLE-AES"===e.method?this.transmuxSampleAes(t,e,r,i,a):this.transmuxUnencrypted(t,r,i,a)},e.transmuxUnencrypted=function(t,e,r,i){var a=this.demuxer.demux(t,e,!1,!this.config.progressive),n=a.audioTrack,s=a.avcTrack,o=a.id3Track,l=a.textTrack;return{remuxResult:this.remuxer.remux(n,s,o,l,e,r,!1,this.id),chunkMeta:i}},e.transmuxSampleAes=function(t,e,r,i,a){var n=this;return this.demuxer.demuxSampleAes(t,e,r).then((function(t){return{remuxResult:n.remuxer.remux(t.audioTrack,t.avcTrack,t.id3Track,t.textTrack,r,i,!1,n.id),chunkMeta:a}}))},e.configureTransmuxer=function(t,e){for(var r,i=this.config,a=this.observer,n=this.typeSupported,s=this.vendor,o=e.audioCodec,l=e.defaultInitPts,u=e.duration,d=e.initSegmentData,h=e.videoCodec,f=0,v=Tt.length;f>>8^255&p^99,t[c]=p,e[p]=c;var m=f[c],y=f[m],b=f[y],T=257*f[p]^16843008*p;i[c]=T<<24|T>>>8,a[c]=T<<16|T>>>16,n[c]=T<<8|T>>>24,s[c]=T,T=16843009*b^65537*y^257*m^16843008*c,l[p]=T<<24|T>>>8,u[p]=T<<16|T>>>16,d[p]=T<<8|T>>>24,h[p]=T,c?(c=m^f[f[f[b^m]]],v^=f[f[v]]):c=v=1}},e.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,i=0;i0}),!1)}t.exports=function(t,e){e=e||{};var a={main:r.m},o=e.all?{main:Object.keys(a.main)}:function(t,e){for(var r={main:[e]},i={main:[]},a={main:{}};s(r);)for(var o=Object.keys(r),l=0;lt.endSN||e>0||0===e&&r>0,this.updated||this.advanced?this.misses=Math.floor(.6*t.misses):this.misses=t.misses+1,this.availabilityDelay=t.availabilityDelay},e=t,(r=[{key:"hasProgramDateTime",get:function(){return!!this.fragments.length&&Object(a.a)(this.fragments[this.fragments.length-1].programDateTime)}},{key:"levelTargetDuration",get:function(){return this.averagetargetduration||this.targetduration||10}},{key:"drift",get:function(){var t=this.driftEndTime-this.driftStartTime;return t>0?1e3*(this.driftEnd-this.driftStart)/t:1}},{key:"edge",get:function(){return this.partEnd||this.fragmentEnd}},{key:"partEnd",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].end:this.fragmentEnd}},{key:"fragmentEnd",get:function(){var t;return null!==(t=this.fragments)&&void 0!==t&&t.length?this.fragments[this.fragments.length-1].end:0}},{key:"age",get:function(){return this.advancedDateTime?Math.max(Date.now()-this.advancedDateTime,0)/1e3:0}},{key:"lastPartIndex",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].index:-1}},{key:"lastPartSn",get:function(){var t;return null!==(t=this.partList)&&void 0!==t&&t.length?this.partList[this.partList.length-1].fragment.sn:this.endSN}}])&&d(e.prototype,r),i&&d(e,i),t}(),f=r(15),c=/^(\d+)x(\d+)$/,v=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,g=function(){function t(e){for(var r in"string"==typeof e&&(e=t.parseAttrList(e)),e)e.hasOwnProperty(r)&&(this[r]=e[r])}var e=t.prototype;return e.decimalInteger=function(t){var e=parseInt(this[t],10);return e>Number.MAX_SAFE_INTEGER?1/0:e},e.hexadecimalInteger=function(t){if(this[t]){var e=(this[t]||"0x").slice(2);e=(1&e.length?"0":"")+e;for(var r=new Uint8Array(e.length/2),i=0;iNumber.MAX_SAFE_INTEGER?1/0:e},e.decimalFloatingPoint=function(t){return parseFloat(this[t])},e.optionalFloat=function(t,e){var r=this[t];return r?parseFloat(r):e},e.enumeratedString=function(t){return this[t]},e.bool=function(t){return"YES"===this[t]},e.decimalResolution=function(t){var e=c.exec(this[t]);if(null!==e)return{width:parseInt(e[1],10),height:parseInt(e[2],10)}},t.parseAttrList=function(t){var e,r={};for(v.lastIndex=0;null!==(e=v.exec(t));){var i=e[2];0===i.indexOf('"')&&i.lastIndexOf('"')===i.length-1&&(i=i.slice(1,-1)),r[e[1]]=i}return r},t}(),p={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,av01:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0},text:{stpp:!0,wvtt:!0}};function m(t,e){return MediaSource.isTypeSupported((e||"video")+'/mp4;codecs="'+t+'"')}var y=/#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-SESSION-DATA:([^\r\n]*)[\r\n]+/g,b=/#EXT-X-MEDIA:(.*)/g,T=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/(?!#) *(\S[\S ]*)/.source,/#EXT-X-BYTERANGE:*(.+)/.source,/#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/#.*/.source].join("|"),"g"),E=new RegExp([/#(EXTM3U)/.source,/#EXT-X-(PLAYLIST-TYPE):(.+)/.source,/#EXT-X-(MEDIA-SEQUENCE): *(\d+)/.source,/#EXT-X-(SKIP):(.+)/.source,/#EXT-X-(TARGETDURATION): *(\d+)/.source,/#EXT-X-(KEY):(.+)/.source,/#EXT-X-(START):(.+)/.source,/#EXT-X-(ENDLIST)/.source,/#EXT-X-(DISCONTINUITY-SEQ)UENCE: *(\d+)/.source,/#EXT-X-(DIS)CONTINUITY/.source,/#EXT-X-(VERSION):(\d+)/.source,/#EXT-X-(MAP):(.+)/.source,/#EXT-X-(SERVER-CONTROL):(.+)/.source,/#EXT-X-(PART-INF):(.+)/.source,/#EXT-X-(GAP)/.source,/#EXT-X-(BITRATE):\s*(\d+)/.source,/#EXT-X-(PART):(.+)/.source,/#EXT-X-(PRELOAD-HINT):(.+)/.source,/#EXT-X-(RENDITION-REPORT):(.+)/.source,/(#)([^:]*):(.*)/.source,/(#)(.*)(?:.*)\r?\n?/.source].join("|")),S=/\.(mp4|m4s|m4v|m4a)$/i;var L=function(){function t(){}return t.findGroup=function(t,e){for(var r=0;r2){var r=e.shift()+".";return r+=parseInt(e.shift()).toString(16),r+=("000"+parseInt(e.shift()).toString(16)).substr(-4)}return t},t.resolve=function(t,e){return i.buildAbsoluteURL(e,t,{alwaysNormalize:!0})},t.parseMasterPlaylist=function(e,r){var i,a=[],n={},s=!1;for(y.lastIndex=0;null!=(i=y.exec(e));)if(i[1]){var o=new g(i[1]),l={attrs:o,bitrate:o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),name:o.NAME,url:t.resolve(i[2],r)},u=o.decimalResolution("RESOLUTION");u&&(l.width=u.width,l.height=u.height),A((o.CODECS||"").split(/[ ,]+/).filter((function(t){return t})),l),l.videoCodec&&-1!==l.videoCodec.indexOf("avc1")&&(l.videoCodec=t.convertAVC1ToAVCOTI(l.videoCodec)),a.push(l)}else if(i[3]){var d=new g(i[3]);d["DATA-ID"]&&(s=!0,n[d["DATA-ID"]]=d)}return{levels:a,sessionData:s?n:null}},t.parseMasterPlaylistMedia=function(e,r,i,a){var n;void 0===a&&(a=[]);var s=[],o=0;for(b.lastIndex=0;null!==(n=b.exec(e));){var l=new g(n[1]);if(l.TYPE===i){var u={attrs:l,bitrate:0,id:o++,groupId:l["GROUP-ID"],instreamId:l["INSTREAM-ID"],name:l.NAME||l.LANGUAGE||"",type:i,default:l.bool("DEFAULT"),autoselect:l.bool("AUTOSELECT"),forced:l.bool("FORCED"),lang:l.LANGUAGE,url:l.URI?t.resolve(l.URI,r):""};if(a.length){var d=t.findGroup(a,u.groupId)||a[0];R(u,d,"audioCodec"),R(u,d,"textCodec")}s.push(u)}}return s},t.parseLevelPlaylist=function(t,e,r,n,s){var l,d,c,v=new h(e),p=v.fragments,m=null,y=0,b=0,L=0,A=0,R=null,_=new u.b(n,e),k=-1,x=!1;for(T.lastIndex=0,v.m3u8=t;null!==(l=T.exec(t));){x&&(x=!1,(_=new u.b(n,e)).start=L,_.sn=y,_.cc=A,_.level=r,m&&(_.initSegment=m,_.rawProgramDateTime=m.rawProgramDateTime));var C=l[1];if(C){_.duration=parseFloat(C);var w=(" "+l[2]).slice(1);_.title=w||null,_.tagList.push(w?["INF",C,w]:["INF",C])}else if(l[3])Object(a.a)(_.duration)&&(_.start=L,c&&(_.levelkey=c),_.sn=y,_.level=r,_.cc=A,_.urlId=s,p.push(_),_.relurl=(" "+l[3]).slice(1),D(_,R),R=_,L+=_.duration,y++,b=0,x=!0);else if(l[4]){var O=(" "+l[4]).slice(1);R?_.setByteRange(O,R):_.setByteRange(O)}else if(l[5])_.rawProgramDateTime=(" "+l[5]).slice(1),_.tagList.push(["PROGRAM-DATE-TIME",_.rawProgramDateTime]),-1===k&&(k=p.length);else{if(!(l=l[0].match(E))){o.b.warn("No matches on slow regex match for level playlist!");continue}for(d=1;d-1){o.b.warn("Keyformat "+X+" is not supported from the manifest");continue}if("identity"!==X)continue;H&&(c=f.a.fromURL(e,K),K&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(H)>=0&&(c.method=H,c.keyFormat=X,Y&&(c.keyID=Y),W&&(c.keyFormatVersions=W),c.iv=V));break;case"START":var q=new g(P).decimalFloatingPoint("TIME-OFFSET");Object(a.a)(q)&&(v.startTimeOffset=q);break;case"MAP":var z=new g(P);_.relurl=z.URI,z.BYTERANGE&&_.setByteRange(z.BYTERANGE),_.level=r,_.sn="initSegment",c&&(_.levelkey=c),_.initSegment=null,m=_,x=!0;break;case"SERVER-CONTROL":var Q=new g(P);v.canBlockReload=Q.bool("CAN-BLOCK-RELOAD"),v.canSkipUntil=Q.optionalFloat("CAN-SKIP-UNTIL",0),v.canSkipDateRanges=v.canSkipUntil>0&&Q.bool("CAN-SKIP-DATERANGES"),v.partHoldBack=Q.optionalFloat("PART-HOLD-BACK",0),v.holdBack=Q.optionalFloat("HOLD-BACK",0);break;case"PART-INF":var $=new g(P);v.partTarget=$.decimalFloatingPoint("PART-TARGET");break;case"PART":var Z=v.partList;Z||(Z=v.partList=[]);var J=b>0?Z[Z.length-1]:void 0,tt=b++,et=new u.c(new g(P),_,e,tt,J);Z.push(et),_.duration+=et.duration;break;case"PRELOAD-HINT":var rt=new g(P);v.preloadHint=rt;break;case"RENDITION-REPORT":var it=new g(P);v.renditionReports=v.renditionReports||[],v.renditionReports.push(it);break;default:o.b.warn("line parsed but not handled: "+l)}}}R&&!R.relurl?(p.pop(),L-=R.duration,v.partList&&(v.fragmentHint=R)):v.partList&&(D(_,R),_.cc=A,v.fragmentHint=_);var at=p.length,nt=p[0],st=p[at-1];if((L+=v.skippedSegments*v.targetduration)>0&&at&&st){v.averagetargetduration=L/at;var ot=st.sn;v.endSN="initSegment"!==ot?ot:0,nt&&(v.startCC=nt.cc,nt.initSegment||v.fragments.every((function(t){return t.relurl&&(e=t.relurl,S.test(null!=(r=null===(a=i.parseURL(e))||void 0===a?void 0:a.path)?r:""));var e,r,a}))&&(o.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(_=new u.b(n,e)).relurl=st.relurl,_.level=r,_.sn="initSegment",nt.initSegment=_,v.needSidxRanges=!0))}else v.endSN=0,v.startCC=0;return v.fragmentHint&&(L+=v.fragmentHint.duration),v.totalduration=L,v.endCC=A,k>0&&function(t,e){for(var r=t[e],i=e;i--;){var a=t[i];if(!a)return;a.programDateTime=r.programDateTime-1e3*a.duration,r=a}}(p,k),v},t}();function A(t,e){["video","audio","text"].forEach((function(r){var i=t.filter((function(t){return function(t,e){var r=p[e];return!!r&&!0===r[t.slice(0,4)]}(t,r)}));if(i.length){var a=i.filter((function(t){return 0===t.lastIndexOf("avc1",0)||0===t.lastIndexOf("mp4a",0)}));e[r+"Codec"]=a.length>0?a[0]:i[0],t=t.filter((function(t){return-1===i.indexOf(t)}))}})),e.unknownCodecs=t}function R(t,e,r){var i=e[r];i&&(t[r]=i)}function D(t,e){t.rawProgramDateTime?t.programDateTime=Date.parse(t.rawProgramDateTime):null!=e&&e.programDateTime&&(t.programDateTime=e.endProgramDateTime),Object(a.a)(t.programDateTime)||(t.programDateTime=null,t.rawProgramDateTime=null)}var _=r(4);function k(t,e){var r=t.url;return void 0!==r&&0!==r.indexOf("data:")||(r=e.url),r}var x=function(){function t(t){this.hls=void 0,this.loaders=Object.create(null),this.hls=t,this.registerListeners()}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(n.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(n.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(n.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.on(n.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(n.a.LEVEL_LOADING,this.onLevelLoading,this),t.off(n.a.AUDIO_TRACK_LOADING,this.onAudioTrackLoading,this),t.off(n.a.SUBTITLE_TRACK_LOADING,this.onSubtitleTrackLoading,this)},e.createInternalLoader=function(t){var e=this.hls.config,r=e.pLoader,i=e.loader,a=new(r||i)(e);return t.loader=a,this.loaders[t.type]=a,a},e.getInternalLoader=function(t){return this.loaders[t.type]},e.resetInternalLoader=function(t){this.loaders[t]&&delete this.loaders[t]},e.destroyInternalLoaders=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy(),this.resetInternalLoader(t)}},e.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},e.onManifestLoading=function(t,e){var r=e.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:_.a.MANIFEST,url:r,deliveryDirectives:null})},e.onLevelLoading=function(t,e){var r=e.id,i=e.level,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:null,level:i,responseType:"text",type:_.a.LEVEL,url:a,deliveryDirectives:n})},e.onAudioTrackLoading=function(t,e){var r=e.id,i=e.groupId,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:_.a.AUDIO_TRACK,url:a,deliveryDirectives:n})},e.onSubtitleTrackLoading=function(t,e){var r=e.id,i=e.groupId,a=e.url,n=e.deliveryDirectives;this.load({id:r,groupId:i,level:null,responseType:"text",type:_.a.SUBTITLE_TRACK,url:a,deliveryDirectives:n})},e.load=function(t){var e,r,i,a,n,s,l=this.hls.config,u=this.getInternalLoader(t);if(u){var d=u.context;if(d&&d.url===t.url)return void o.b.trace("[playlist-loader]: playlist request ongoing");o.b.log("[playlist-loader]: aborting previous loader for type: "+t.type),u.abort()}switch(t.type){case _.a.MANIFEST:r=l.manifestLoadingMaxRetry,i=l.manifestLoadingTimeOut,a=l.manifestLoadingRetryDelay,n=l.manifestLoadingMaxRetryTimeout;break;case _.a.LEVEL:case _.a.AUDIO_TRACK:case _.a.SUBTITLE_TRACK:r=0,i=l.levelLoadingTimeOut;break;default:r=l.levelLoadingMaxRetry,i=l.levelLoadingTimeOut,a=l.levelLoadingRetryDelay,n=l.levelLoadingMaxRetryTimeout}if((u=this.createInternalLoader(t),null!==(e=t.deliveryDirectives)&&void 0!==e&&e.part)&&(t.type===_.a.LEVEL&&null!==t.level?s=this.hls.levels[t.level].details:t.type===_.a.AUDIO_TRACK&&null!==t.id?s=this.hls.audioTracks[t.id].details:t.type===_.a.SUBTITLE_TRACK&&null!==t.id&&(s=this.hls.subtitleTracks[t.id].details),s)){var h=s.partTarget,f=s.targetduration;h&&f&&(i=Math.min(1e3*Math.max(3*h,.8*f),i))}var c={timeout:i,maxRetry:r,retryDelay:a,maxRetryDelay:n,highWaterMark:0},v={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(t,c,v)},e.loadsuccess=function(t,e,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this.handleSidxRequest(t,r),void this.handlePlaylistLoaded(t,e,r,i);this.resetInternalLoader(r.type);var a=t.data;0===a.indexOf("#EXTM3U")?(e.parsing.start=performance.now(),a.indexOf("#EXTINF:")>0||a.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(t,e,r,i):this.handleMasterPlaylist(t,e,r,i)):this.handleManifestParsingError(t,r,"no EXTM3U delimiter",i)},e.loaderror=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!1,t)},e.loadtimeout=function(t,e,r){void 0===r&&(r=null),this.handleNetworkError(e,r,!0)},e.handleMasterPlaylist=function(t,e,r,i){var a=this.hls,s=t.data,l=k(t,r),u=L.parseMasterPlaylist(s,l),d=u.levels,h=u.sessionData;if(d.length){var f=d.map((function(t){return{id:t.attrs.AUDIO,audioCodec:t.audioCodec}})),c=d.map((function(t){return{id:t.attrs.SUBTITLES,textCodec:t.textCodec}})),v=L.parseMasterPlaylistMedia(s,l,"AUDIO",f),p=L.parseMasterPlaylistMedia(s,l,"SUBTITLES",c),m=L.parseMasterPlaylistMedia(s,l,"CLOSED-CAPTIONS");if(v.length)v.some((function(t){return!t.url}))||!d[0].audioCodec||d[0].attrs.AUDIO||(o.b.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),v.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new g({}),bitrate:0,url:""}));a.trigger(n.a.MANIFEST_LOADED,{levels:d,audioTracks:v,subtitles:p,captions:m,url:l,stats:e,networkDetails:i,sessionData:h})}else this.handleManifestParsingError(t,r,"no level found in manifest",i)},e.handleTrackOrLevelPlaylist=function(t,e,r,i){var o=this.hls,l=r.id,u=r.level,d=r.type,h=k(t,r),f=Object(a.a)(l)?l:0,c=Object(a.a)(u)?u:f,v=function(t){switch(t.type){case _.a.AUDIO_TRACK:return _.b.AUDIO;case _.a.SUBTITLE_TRACK:return _.b.SUBTITLE;default:return _.b.MAIN}}(r),p=L.parseLevelPlaylist(t.data,h,c,v,f);if(p.fragments.length){if(d===_.a.MANIFEST){var m={attrs:new g({}),bitrate:0,details:p,name:"",url:h};o.trigger(n.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:e,networkDetails:i,sessionData:null})}if(e.parsing.end=performance.now(),p.needSidxRanges){var y,b=null===(y=p.fragments[0].initSegment)||void 0===y?void 0:y.url;this.load({url:b,isSidxRequest:!0,type:d,level:u,levelDetails:p,id:l,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else r.levelDetails=p,this.handlePlaylistLoaded(t,e,r,i)}else o.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.LEVEL_EMPTY_ERROR,fatal:!1,url:h,reason:"no fragments found in level",level:"number"==typeof r.level?r.level:void 0})},e.handleSidxRequest=function(t,e){var r=Object(l.g)(new Uint8Array(t.data));if(r){var i=r.references,a=e.levelDetails;i.forEach((function(t,e){var i=t.info,n=a.fragments[e];0===n.byteRange.length&&n.setByteRange(String(1+i.end-i.start)+"@"+String(i.start)),n.initSegment&&n.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}))}},e.handleManifestParsingError=function(t,e,r,i){this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.MANIFEST_PARSING_ERROR,fatal:e.type===_.a.MANIFEST,url:t.url,reason:r,response:t,context:e,networkDetails:i})},e.handleNetworkError=function(t,e,r,i){void 0===r&&(r=!1),o.b.warn("[playlist-loader]: A network "+(r?"timeout":"error")+" occurred while loading "+t.type+" level: "+t.level+" id: "+t.id+' group-id: "'+t.groupId+'"');var a=s.a.UNKNOWN,l=!1,u=this.getInternalLoader(t);switch(t.type){case _.a.MANIFEST:a=r?s.a.MANIFEST_LOAD_TIMEOUT:s.a.MANIFEST_LOAD_ERROR,l=!0;break;case _.a.LEVEL:a=r?s.a.LEVEL_LOAD_TIMEOUT:s.a.LEVEL_LOAD_ERROR,l=!1;break;case _.a.AUDIO_TRACK:a=r?s.a.AUDIO_TRACK_LOAD_TIMEOUT:s.a.AUDIO_TRACK_LOAD_ERROR,l=!1;break;case _.a.SUBTITLE_TRACK:a=r?s.a.SUBTITLE_TRACK_LOAD_TIMEOUT:s.a.SUBTITLE_LOAD_ERROR,l=!1}u&&this.resetInternalLoader(t.type);var d={type:s.b.NETWORK_ERROR,details:a,fatal:l,url:t.url,loader:u,context:t,networkDetails:e};i&&(d.response=i),this.hls.trigger(n.a.ERROR,d)},e.handlePlaylistLoaded=function(t,e,r,i){var a=r.type,s=r.level,o=r.id,l=r.groupId,u=r.loader,d=r.levelDetails,h=r.deliveryDirectives;if(null!=d&&d.targetduration){if(u)switch(d.live&&(u.getCacheAge&&(d.ageHeader=u.getCacheAge()||0),u.getCacheAge&&!isNaN(d.ageHeader)||(d.ageHeader=0)),a){case _.a.MANIFEST:case _.a.LEVEL:this.hls.trigger(n.a.LEVEL_LOADED,{details:d,level:s||0,id:o||0,stats:e,networkDetails:i,deliveryDirectives:h});break;case _.a.AUDIO_TRACK:this.hls.trigger(n.a.AUDIO_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h});break;case _.a.SUBTITLE_TRACK:this.hls.trigger(n.a.SUBTITLE_TRACK_LOADED,{details:d,id:o||0,groupId:l||"",stats:e,networkDetails:i,deliveryDirectives:h})}}else this.handleManifestParsingError(t,r,"invalid target duration",i)},t}(),C=function(){function t(t){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){this.hls.on(n.a.KEY_LOADING,this.onKeyLoading,this)},e._unregisterListeners=function(){this.hls.off(n.a.KEY_LOADING,this.onKeyLoading)},e.destroy=function(){for(var t in this._unregisterListeners(),this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={}},e.onKeyLoading=function(t,e){var r=e.frag,i=r.type,a=this.loaders[i];if(r.decryptdata){var s=r.decryptdata.uri;if(s!==this.decrypturl||null===this.decryptkey){var l=this.hls.config;if(a&&(o.b.warn("abort previous key loader for type:"+i),a.abort()),!s)return void o.b.warn("key uri is falsy");var u=l.loader,d=r.loader=this.loaders[i]=new u(l);this.decrypturl=s,this.decryptkey=null;var h={url:s,frag:r,responseType:"arraybuffer"},f={timeout:l.fragLoadingTimeOut,maxRetry:0,retryDelay:l.fragLoadingRetryDelay,maxRetryDelay:l.fragLoadingMaxRetryTimeout,highWaterMark:0},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};d.load(h,f,c)}else this.decryptkey&&(r.decryptdata.key=this.decryptkey,this.hls.trigger(n.a.KEY_LOADED,{frag:r}))}else o.b.warn("Missing decryption data on fragment in onKeyLoading")},e.loadsuccess=function(t,e,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(t.data),i.loader=null,delete this.loaders[i.type],this.hls.trigger(n.a.KEY_LOADED,{frag:i})):o.b.error("after key load, decryptdata unset")},e.loaderror=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.loadtimeout=function(t,e){var r=e.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(n.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},t}();function w(t,e){var r;try{r=new Event("addtrack")}catch(t){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=t,e.dispatchEvent(r)}function O(t,e,r){var i=t.mode;if("disabled"===i&&(t.mode="hidden"),t.cues&&t.cues.length>0)for(var a=function(t,e,r){var i=[],a=function(t,e){if(et[r].endTime)return-1;var i=0,a=r;for(;i<=a;){var n=Math.floor((a+i)/2);if(et[n].startTime&&i-1)for(var n=a,s=t.length;n=e&&o.endTime<=r)i.push(o);else if(o.startTime>r)return i}return i}(t.cues,e,r),n=0;n.05&&this.forwardBufferLength>1){var u=Math.min(2,Math.max(1,n)),d=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;t.playbackRate=Math.min(u,Math.max(1,d))}else 1!==t.playbackRate&&0!==t.playbackRate&&(t.playbackRate=1)}}}}},a.estimateLiveEdge=function(){var t=this.levelDetails;return null===t?null:t.edge+t.age},a.computeLatency=function(){var t=this.estimateLiveEdge();return null===t?null:t-this.currentTime},e=t,(r=[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var t=this.config,e=this.levelDetails;return void 0!==t.liveMaxLatencyDuration?t.liveMaxLatencyDuration:e?t.liveMaxLatencyDurationCount*e.targetduration:0}},{key:"targetLatency",get:function(){var t=this.levelDetails;if(null===t)return null;var e=t.holdBack,r=t.partHoldBack,i=t.targetduration,a=this.config,n=a.liveSyncDuration,s=a.liveSyncDurationCount,o=a.lowLatencyMode,l=this.hls.userConfig,u=o&&r||e;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==n?n:s*i);var d=i;return u+Math.min(1*this.stallCount,d)}},{key:"liveSyncPosition",get:function(){var t=this.estimateLiveEdge(),e=this.targetLatency,r=this.levelDetails;if(null===t||null===e||null===r)return null;var i=r.edge,a=t-e-this.edgeStalled,n=i-r.totalduration,s=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(n,a),s)}},{key:"drift",get:function(){var t=this.levelDetails;return null===t?1:t.drift}},{key:"edgeStalled",get:function(){var t=this.levelDetails;if(null===t)return 0;var e=3*(this.config.lowLatencyMode&&t.partTarget||t.targetduration);return Math.max(t.age-e,0)}},{key:"forwardBufferLength",get:function(){var t=this.media,e=this.levelDetails;if(!t||!e)return 0;var r=t.buffered.length;return r?t.buffered.end(r-1):e.edge-this.currentTime}}])&&F(e.prototype,r),i&&F(e,i),t}();function B(t,e){for(var r=0;rt.sn?(n=r-t.start,i=t):(n=t.start-r,i=e),i.duration!==n&&(i.duration=n)}else if(e.sn>t.sn){t.cc===e.cc&&t.minEndPTS?e.start=t.start+(t.minEndPTS-t.start):e.start=t.start+t.duration}else e.start=Math.max(t.start-e.duration,0)}function V(t,e,r,i,n,s){i-r<=0&&(o.b.warn("Fragment should have a positive duration",e),i=r+e.duration,s=n+e.duration);var l=r,u=i,d=e.startPTS,h=e.endPTS;if(Object(a.a)(d)){var f=Math.abs(d-r);Object(a.a)(e.deltaPTS)?e.deltaPTS=Math.max(f,e.deltaPTS):e.deltaPTS=f,l=Math.max(r,d),r=Math.min(r,d),n=Math.min(n,e.startDTS),u=Math.min(i,h),i=Math.max(i,h),s=Math.max(s,e.endDTS)}e.duration=i-r;var c=r-e.start;e.appendedPTS=i,e.start=e.startPTS=r,e.maxStartPTS=l,e.startDTS=n,e.endPTS=i,e.minEndPTS=u,e.endDTS=s;var v,g=e.sn;if(!t||gt.endSN)return 0;var p=g-t.startSN,m=t.fragments;for(m[p]=e,v=p;v>0;v--)K(m[v],m[v-1]);for(v=p;v=0;n--){var s=i[n].initSegment;if(s){r=s;break}}t.fragmentHint&&delete t.fragmentHint.endPTS;var l,u=0;(function(t,e,r){for(var i=e.skippedSegments,a=Math.max(t.startSN,e.startSN)-e.startSN,n=(t.fragmentHint?1:0)+(i?e.endSN:Math.min(t.endSN,e.endSN))-e.startSN,s=e.startSN-t.startSN,o=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,l=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,u=a;u<=n;u++){var d=l[s+u],h=o[u];i&&!h&&u=i.length||function(t,e){if(e){for(var r=t.fragments,i=t.skippedSegments;ie.partTarget&&(l+=1)}if(Object(a.a)(o))return new U(o,Object(a.a)(l)?l:void 0,M.No)}}},e.loadPlaylist=function(t){},e.shouldLoadTrack=function(t){return this.canLoad&&t&&!!t.url&&(!t.details||t.details.live)},e.playlistLoaded=function(t,e,r){var i=this,a=e.details,n=e.stats,s=n.loading.end?Math.max(0,self.performance.now()-n.loading.end):0;if(a.advancedDateTime=Date.now()-s,a.live||null!=r&&r.live){if(a.reloaded(r),r&&this.log("live playlist "+t+" "+(a.advanced?"REFRESHED "+a.lastPartSn+"-"+a.lastPartIndex:"MISSED")),r&&a.fragments.length>0&&W(r,a),!this.canLoad||!a.live)return;var o,l=void 0,u=void 0;if(a.canBlockReload&&a.endSN&&a.advanced){var d=this.hls.config.lowLatencyMode,h=a.lastPartSn,f=a.endSN,c=a.lastPartIndex,v=h===f;-1!==c?(l=v?f+1:h,u=v?d?0:c:c+1):l=f+1;var g=a.age,p=g+a.ageHeader,m=Math.min(p-a.partTarget,1.5*a.targetduration);if(m>0){if(r&&m>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+m+" with playlist age: "+a.age),m=0;else{var y=Math.floor(m/a.targetduration);if(l+=y,void 0!==u)u+=Math.round(m%a.targetduration/a.partTarget);this.log("CDN Tune-in age: "+a.ageHeader+"s last advanced "+g.toFixed(2)+"s goal: "+m+" skip sn "+y+" to part "+u)}a.tuneInGoal=m}if(o=this.getDeliveryDirectives(a,e.deliveryDirectives,l,u),d||!v)return void this.loadPlaylist(o)}else o=this.getDeliveryDirectives(a,e.deliveryDirectives,l,u);var b=function(t,e){var r,i=1e3*t.levelTargetDuration,a=i/2,n=t.age,s=n>0&&n<3*i,o=e.loading.end-e.loading.start,l=t.availabilityDelay;if(!1===t.updated)if(s){var u=333*t.misses;r=Math.max(Math.min(a,2*o),u),t.availabilityDelay=(t.availabilityDelay||0)+r}else r=a;else s?(l=Math.min(l||i/2,n),t.availabilityDelay=l,r=l+i-n):r=i-o;return Math.round(r)}(a,n);void 0!==l&&a.canBlockReload&&(b-=a.partTarget||1),this.log("reload live playlist "+t+" in "+Math.round(b)+" ms"),this.timer=self.setTimeout((function(){return i.loadPlaylist(o)}),b)}else this.clearTimer()},e.getDeliveryDirectives=function(t,e,r,i){var a=function(t,e){var r=t.canSkipUntil,i=t.canSkipDateRanges,a=t.endSN;return r&&(void 0!==e?e-a:0)-1&&null!==(e=t.context)&&void 0!==e&&e.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+t.details+'"'),this.loadPlaylist();else{var n=Math.min(Math.pow(2,this.retryCount)*i.levelLoadingRetryDelay,i.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return r.loadPlaylist()}),n),this.warn("retry playlist loading #"+this.retryCount+" in "+n+' ms after "'+t.details+'"')}else this.warn('cannot recover from error "'+t.details+'"'),this.clearTimer(),t.fatal=!0;return a},t}();function q(){return(q=Object.assign||function(t){for(var e=1;e0){r=a[0].bitrate,a.sort((function(t,e){return t.bitrate-e.bitrate})),this._levels=a;for(var c=0;cthis.hls.config.fragLoadingMaxRetry&&(n=r.frag.level)):n=r.frag.level}break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:i&&(i.deliveryDirectives&&(l=!1),n=i.level),o=!0;break;case s.a.REMUX_ALLOC_ERROR:n=r.level,o=!0}void 0!==n&&this.recoverLevel(r,n,o,l)}}},u.recoverLevel=function(t,e,r,i){var a=t.details,n=this._levels[e];if(n.loadError++,r){if(!this.retryLoadingOrFail(t))return void(this.currentLevelIndex=-1);t.levelRetry=!0}if(i){var s=n.url.length;if(s>1&&n.loadError1){var i=(e.urlId+1)%r;this.warn("Switching to redundant URL-id "+i),this._levels.forEach((function(t){t.urlId=i})),this.level=t}},u.onFragLoaded=function(t,e){var r=e.frag;if(void 0!==r&&r.type===_.b.MAIN){var i=this._levels[r.level];void 0!==i&&(i.fragmentError=0,i.loadError=0)}},u.onLevelLoaded=function(t,e){var r,i,a=e.level,n=e.details,s=this._levels[a];if(!s)return this.warn("Invalid level index "+a),void(null!==(i=e.deliveryDirectives)&&void 0!==i&&i.skip&&(n.deltaUpdateFailed=!0));a===this.currentLevelIndex?(0===s.fragmentError&&(s.loadError=0,this.retryCount=0),this.playlistLoaded(a,e,s.details)):null!==(r=e.deliveryDirectives)&&void 0!==r&&r.skip&&(n.deltaUpdateFailed=!0)},u.onAudioTrackSwitched=function(t,e){var r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,a=this.hls.audioTracks[e.id].groupId,n=0;n0){var i=r.urlId,a=r.url[i];if(t)try{a=t.addDirectives(a)}catch(t){this.warn("Could not construct new URL with HLS Delivery Directives: "+t)}this.log("Attempt loading level index "+e+(t?" at sn "+t.msn+" part "+t.part:"")+" with URL-id "+i+" "+a),this.clearTimer(),this.hls.trigger(n.a.LEVEL_LOADING,{url:a,level:e,id:i,deliveryDirectives:t||null})}},u.removeLevel=function(t,e){var r=function(t,r){return r!==e},i=this._levels.filter((function(i,a){return a!==t||i.url.length>1&&void 0!==e&&(i.url=i.url.filter(r),i.audioGroupIds&&(i.audioGroupIds=i.audioGroupIds.filter(r)),i.textGroupIds&&(i.textGroupIds=i.textGroupIds.filter(r)),i.urlId=0,!0)})).map((function(t,e){var r=t.details;return null!=r&&r.fragments&&r.fragments.forEach((function(t){t.level=e})),t}));this._levels=i,this.hls.trigger(n.a.LEVELS_UPDATED,{levels:i})},a=i,(o=[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(t){var e,r=this._levels;if(0!==r.length&&(this.currentLevelIndex!==t||null===(e=r[t])||void 0===e||!e.details)){if(t<0||t>=r.length){var i=t<0;if(this.hls.trigger(n.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.LEVEL_SWITCH_ERROR,level:t,fatal:i,reason:"invalid level idx"}),i)return;t=Math.min(t,r.length-1)}this.clearTimer();var a=this.currentLevelIndex,o=r[a],l=r[t];this.log("switching to level "+t+" from "+a),this.currentLevelIndex=t;var u=q({},l,{level:t,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(n.a.LEVEL_SWITCHING,u);var d=l.details;if(!d||d.live){var h=this.switchParams(l.uri,null==o?void 0:o.details);this.loadPlaylist(h)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(t){this.manualLevelIndex=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=t)}}])&&z(a.prototype,o),l&&z(a,l),i}(X);!function(t){t.NOT_LOADED="NOT_LOADED",t.BACKTRACKED="BACKTRACKED",t.APPENDING="APPENDING",t.PARTIAL="PARTIAL",t.OK="OK"}($||($={}));var tt=function(){function t(t){this.activeFragment=null,this.activeParts=null,this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){var t=this.hls;t.on(n.a.BUFFER_APPENDED,this.onBufferAppended,this),t.on(n.a.FRAG_BUFFERED,this.onFragBuffered,this),t.on(n.a.FRAG_LOADED,this.onFragLoaded,this)},e._unregisterListeners=function(){var t=this.hls;t.off(n.a.BUFFER_APPENDED,this.onBufferAppended,this),t.off(n.a.FRAG_BUFFERED,this.onFragBuffered,this),t.off(n.a.FRAG_LOADED,this.onFragLoaded,this)},e.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},e.getAppendedFrag=function(t,e){if(e===_.b.MAIN){var r=this.activeFragment,i=this.activeParts;if(!r)return null;if(i)for(var a=i.length;a--;){var n=i[a],s=n?n.end:r.appendedPTS;if(n.start<=t&&void 0!==s&&t<=s)return a>9&&(this.activeParts=i.slice(a-9)),n}else if(r.start<=t&&void 0!==r.appendedPTS&&t<=r.appendedPTS)return r}return this.getBufferedFrag(t,e)},e.getBufferedFrag=function(t,e){for(var r=this.fragments,i=Object.keys(r),a=i.length;a--;){var n=r[i[a]];if((null==n?void 0:n.body.type)===e&&n.buffered){var s=n.body;if(s.start<=t&&t<=s.end)return s}}return null},e.detectEvictedFragments=function(t,e,r){var i=this;Object.keys(this.fragments).forEach((function(a){var n=i.fragments[a];if(n)if(n.buffered){var s=n.range[t];s&&s.time.some((function(t){var r=!i.isTimeBuffered(t.startPTS,t.endPTS,e);return r&&i.removeFragment(n.body),r}))}else n.body.type===r&&i.removeFragment(n.body)}))},e.detectPartialFragments=function(t){var e=this,r=this.timeRanges,i=t.frag,a=t.part;if(r&&"initSegment"!==i.sn){var n=rt(i),s=this.fragments[n];s&&(Object.keys(r).forEach((function(t){var n=i.elementaryStreams[t];if(n){var o=r[t],l=null!==a||!0===n.partial;s.range[t]=e.getBufferedTimes(i,a,l,o)}})),s.backtrack=s.loaded=null,Object.keys(s.range).length?s.buffered=!0:this.removeFragment(s.body))}},e.fragBuffered=function(t){var e=rt(t),r=this.fragments[e];r&&(r.backtrack=r.loaded=null,r.buffered=!0)},e.getBufferedTimes=function(t,e,r,i){for(var a={time:[],partial:r},n=e?e.start:t.start,s=e?e.end:t.end,o=t.minEndPTS||s,l=t.maxStartPTS||n,u=0;u=d&&o<=h){a.time.push({startPTS:Math.max(n,i.start(u)),endPTS:Math.min(s,i.end(u))});break}if(nd)a.partial=!0,a.time.push({startPTS:Math.max(n,i.start(u)),endPTS:Math.min(s,i.end(u))});else if(s<=d)break}return a},e.getPartialFragment=function(t){var e,r,i,a=null,n=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&et(u)&&(r=u.body.start-s,i=u.body.end+s,t>=r&&t<=i&&(e=Math.min(t-r,i-t),n<=e&&(a=u.body,n=e)))})),a},e.getState=function(t){var e=rt(t),r=this.fragments[e];return r?r.buffered?et(r)?$.PARTIAL:$.OK:r.backtrack?$.BACKTRACKED:$.APPENDING:$.NOT_LOADED},e.backtrack=function(t,e){var r=rt(t),i=this.fragments[r];if(!i||i.backtrack)return null;var a=i.backtrack=e||i.loaded;return i.loaded=null,a},e.getBacktrackData=function(t){var e=rt(t),r=this.fragments[e];if(r){var i,a=r.backtrack;if(null!=a&&null!==(i=a.payload)&&void 0!==i&&i.byteLength)return a;this.removeFragment(t)}return null},e.isTimeBuffered=function(t,e,r){for(var i,a,n=0;n=i&&e<=a)return!0;if(e<=i)return!1}return!1},e.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if("initSegment"!==r.sn&&!r.bitrateTest&&!i){var a=rt(r);this.fragments[a]={body:r,loaded:e,backtrack:null,buffered:!1,range:Object.create(null)}}},e.onBufferAppended=function(t,e){var r=this,i=e.frag,a=e.part,n=e.timeRanges;if(i.type===_.b.MAIN)if(this.activeFragment=i,a){var s=this.activeParts;s||(this.activeParts=s=[]),s.push(a)}else this.activeParts=null;this.timeRanges=n,Object.keys(n).forEach((function(t){var e=n[t];if(r.detectEvictedFragments(t,e),!a)for(var s=0;st&&i.removeFragment(s)}}))},e.removeFragment=function(t){var e=rt(t);t.stats.loaded=0,t.clearElementaryStreamInfo(),delete this.fragments[e]},e.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},t}();function et(t){var e,r;return t.buffered&&((null===(e=t.range.video)||void 0===e?void 0:e.partial)||(null===(r=t.range.audio)||void 0===r?void 0:r.partial))}function rt(t){return t.type+"_"+t.level+"_"+t.urlId+"_"+t.sn}var it=function(){function t(){this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}var e=t.prototype;return e.destroy=function(){this.onHandlerDestroying(),this.onHandlerDestroyed()},e.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},e.onHandlerDestroyed=function(){},e.hasInterval=function(){return!!this._tickInterval},e.hasNextTick=function(){return!!this._tickTimer},e.setInterval=function(t){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,t),!0)},e.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},e.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},e.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)},e.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},e.doTick=function(){},t}(),at={length:0,start:function(){return 0},end:function(){return 0}},nt=function(){function t(){}return t.isBuffered=function(e,r){try{if(e)for(var i=t.getBuffered(e),a=0;a=i.start(a)&&r<=i.end(a))return!0}catch(t){}return!1},t.bufferInfo=function(e,r,i){try{if(e){var a,n=t.getBuffered(e),s=[];for(a=0;as&&(i[n-1].end=t[a].end):i.push(t[a])}else i.push(t[a])}else i=t;for(var o,l=0,u=e,d=e,h=0;h=f&&er.startCC||t&&t.cc0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}};function ht(t,e,r){void 0===t&&(t=0),void 0===e&&(e=0);var i=Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=t?1:r.start-i>t&&r.start?-1:0}function ft(t,e,r){var i=1e3*Math.min(e,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>t}function ct(t){var e="function"==typeof Map?new Map:void 0;return(ct=function(t){if(null===t||(r=t,-1===Function.toString.call(r).indexOf("[native code]")))return t;var r;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,i)}function i(){return vt(t,arguments,mt(this).constructor)}return i.prototype=Object.create(t.prototype,{constructor:{value:i,enumerable:!1,writable:!0,configurable:!0}}),pt(i,t)})(t)}function vt(t,e,r){return(vt=gt()?Reflect.construct:function(t,e,r){var i=[null];i.push.apply(i,e);var a=new(Function.bind.apply(t,i));return r&&pt(a,r.prototype),a}).apply(null,arguments)}function gt(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}function pt(t,e){return(pt=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function mt(t){return(mt=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var yt=Math.pow(2,17),bt=function(){function t(t){this.config=void 0,this.loader=null,this.partLoadTimeout=-1,this.config=t}var e=t.prototype;return e.destroy=function(){this.loader&&(this.loader.destroy(),this.loader=null)},e.abort=function(){this.loader&&this.loader.abort()},e.load=function(t,e){var r=this,i=t.url;if(!i)return Promise.reject(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,networkDetails:null},"Fragment does not have a "+(i?"part list":"url")));this.abort();var a=this.config,n=a.fLoader,o=a.loader;return new Promise((function(i,l){r.loader&&r.loader.destroy();var u=r.loader=t.loader=n?new n(a):new o(a),d=Tt(t),h={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:yt};t.stats=u.stats,u.load(d,h,{onSuccess:function(e,a,n,s){r.resetLoader(t,u),i({frag:t,part:null,payload:e.data,networkDetails:s})},onError:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,response:e,networkDetails:a}))},onAbort:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.INTERNAL_ABORTED,fatal:!1,frag:t,networkDetails:a}))},onTimeout:function(e,i,a){r.resetLoader(t,u),l(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,networkDetails:a}))},onProgress:function(r,i,a,n){e&&e({frag:t,part:null,payload:a,networkDetails:n})}})}))},e.loadPart=function(t,e,r){var i=this;this.abort();var a=this.config,n=a.fLoader,o=a.loader;return new Promise((function(l,u){i.loader&&i.loader.destroy();var d=i.loader=t.loader=n?new n(a):new o(a),h=Tt(t,e),f={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout,highWaterMark:yt};e.stats=d.stats,d.load(h,f,{onSuccess:function(a,n,s,o){i.resetLoader(t,d),i.updateStatsFromPart(t,e);var u={frag:t,part:e,payload:a.data,networkDetails:o};r(u),l(u)},onError:function(r,a,n){i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,part:e,response:r,networkDetails:n}))},onAbort:function(r,a,n){t.stats.aborted=e.stats.aborted,i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.INTERNAL_ABORTED,fatal:!1,frag:t,part:e,networkDetails:n}))},onTimeout:function(r,a,n){i.resetLoader(t,d),u(new Et({type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,part:e,networkDetails:n}))}})}))},e.updateStatsFromPart=function(t,e){var r=t.stats,i=e.stats,a=i.total;if(r.loaded+=i.loaded,a){var n=Math.round(t.duration/e.duration),s=Math.min(Math.round(r.loaded/a),n),o=(n-s)*Math.round(r.loaded/s);r.total=r.loaded+o}else r.total=Math.max(r.loaded,r.total);var l=r.loading,u=i.loading;l.start?l.first+=u.first-u.start:(l.start=u.start,l.first=u.first),l.end=u.end},e.resetLoader=function(t,e){t.loader=null,this.loader===e&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),e.destroy()},t}();function Tt(t,e){void 0===e&&(e=null);var r=e||t,i={frag:t,part:e,responseType:"arraybuffer",url:r.url,headers:{},rangeStart:0,rangeEnd:0},n=r.byteRangeStartOffset,s=r.byteRangeEndOffset;return Object(a.a)(n)&&Object(a.a)(s)&&(i.rangeStart=n,i.rangeEnd=s),i}var Et=function(t){var e,r;function i(e){for(var r,i=arguments.length,a=new Array(i>1?i-1:0),n=1;n=e.endSN&&!t.nextStart){var a=e.partList;if(null!=a&&a.length){var n=a[a.length-1];return nt.isBuffered(this.media,n.start+n.duration/2)}var s=i.getState(r);return s===$.PARTIAL||s===$.OK}return!1},f.onMediaAttached=function(t,e){var r=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),r.addEventListener("seeking",this.onvseeking),r.addEventListener("ended",this.onvended);var i=this.config;this.levels&&i.autoStartLoad&&this.state===Dt&&this.startLoad(i.startPosition)},f.onMediaDetaching=function(){var t=this.media;null!=t&&t.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},f.onMediaSeeking=function(){var t=this.config,e=this.fragCurrent,r=this.media,i=this.mediaBuffer,n=this.state,s=r?r.currentTime:0,o=nt.bufferInfo(i||r,s,t.maxBufferHole);if(this.log("media seeking to "+(Object(a.a)(s)?s.toFixed(3):s)+", state: "+n),n===Pt)this.resetLoadingState();else if(e&&!o.len){var l=t.maxFragLookUpTolerance,u=e.start-l,d=s>e.start+e.duration+l;(s0&&s&&s.key&&s.iv&&"AES-128"===s.method){var o=self.performance.now();return e.decrypter.webCryptoDecrypt(new Uint8Array(a),s.key.buffer,s.iv.buffer).then((function(e){var a=self.performance.now();return i.trigger(n.a.FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:o,tdecrypt:a}}),r.payload=e,r}))}return r})).then((function(r){var i=e.fragCurrent,a=e.hls,s=e.levels;if(!s)throw new Error("init load aborted, missing levels");s[t.level].details;var o=t.stats;e.state=_t,e.fragLoadError=0,t.data=new Uint8Array(r.payload),o.parsing.start=o.buffering.start=self.performance.now(),o.parsing.end=o.buffering.end=self.performance.now(),r.frag===i&&a.trigger(n.a.FRAG_BUFFERED,{stats:o,frag:i,part:null,id:t.type}),e.tick()})).catch((function(r){e.warn(r),e.resetFragmentLoading(t)}))},f.fragContextChanged=function(t){var e=this.fragCurrent;return!t||!e||t.level!==e.level||t.sn!==e.sn||t.urlId!==e.urlId},f.fragBufferedComplete=function(t,e){var r=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+t.type+" sn: "+t.sn+(e?" part: "+e.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level+" "+Lt.toString(nt.getBuffered(r))),this.state=_t,this.tick()},f._handleFragmentLoadComplete=function(t){var e=this.transmuxer;if(e){var r=t.frag,i=t.part,a=t.partsLoaded,n=!a||0===a.length||a.some((function(t){return!t})),s=new st(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!n);e.flush(s)}},f._handleFragmentLoadProgress=function(t){},f._doFragLoad=function(t,e,r,i){var s=this;if(void 0===r&&(r=null),!this.levels)throw new Error("frag load aborted, missing levels");if(r=Math.max(t.start,r||0),this.config.lowLatencyMode&&e){var o=e.partList;if(o&&i){r>t.end&&e.fragmentHint&&(t=e.fragmentHint);var l=this.getNextPart(o,t,r);if(l>-1){var u=o[l];return this.log("Loading part sn: "+t.sn+" p: "+u.index+" cc: "+t.cc+" of playlist ["+e.startSN+"-"+e.endSN+"] parts [0-"+l+"-"+(o.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=u.start+u.duration,this.state=xt,this.hls.trigger(n.a.FRAG_LOADING,{frag:t,part:o[l],targetBufferTime:r}),this.doFragPartsLoad(t,o,l,i).catch((function(t){return s.handleFragLoadError(t)}))}if(!t.url||this.loadedEndOfParts(o,r))return Promise.resolve(null)}}return this.log("Loading fragment "+t.sn+" cc: "+t.cc+" "+(e?"of ["+e.startSN+"-"+e.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(r.toFixed(3))),Object(a.a)(t.sn)&&!this.bitrateTest&&(this.nextLoadPosition=t.start+t.duration),this.state=xt,this.hls.trigger(n.a.FRAG_LOADING,{frag:t,targetBufferTime:r}),this.fragmentLoader.load(t,i).catch((function(t){return s.handleFragLoadError(t)}))},f.doFragPartsLoad=function(t,e,r,i){var a=this;return new Promise((function(s,o){var l=[];!function r(u){var d=e[u];a.fragmentLoader.loadPart(t,d,i).then((function(i){l[d.index]=i;var o=i.part;a.hls.trigger(n.a.FRAG_LOADED,i);var h=e[u+1];if(!h||h.fragment!==t)return s({frag:t,part:o,partsLoaded:l});r(u+1)})).catch(o)}(r)}))},f.handleFragLoadError=function(t){var e=t.data;return e&&e.details===s.a.INTERNAL_ABORTED?this.handleFragLoadAborted(e.frag,e.part):this.hls.trigger(n.a.ERROR,e),null},f._handleTransmuxerFlush=function(t){var e=this.getCurrentContext(t);if(e&&this.state===wt){var r=e.frag,i=e.part,a=e.level,n=self.performance.now();r.stats.parsing.end=n,i&&(i.stats.parsing.end=n),this.updateLevelTiming(r,i,a,t.partial)}else this.fragCurrent||(this.state=_t)},f.getCurrentContext=function(t){var e=this.levels,r=t.level,i=t.sn,a=t.part;if(!e||!e[r])return this.warn("Levels object was unset while buffering fragment "+i+" of level "+r+". The current chunk will not be buffered."),null;var n=e[r],s=a>-1?function(t,e,r){if(!t||!t.details)return null;var i=t.details.partList;if(i)for(var a=i.length;a--;){var n=i[a];if(n.index===r&&n.fragment.sn===e)return n}return null}(n,i,a):null,o=s?s.fragment:function(t,e,r){if(!t||!t.details)return null;var i=t.details,a=i.fragments[e-i.startSN];return a||((a=i.fragmentHint)&&a.sn===e?a:en&&this.flushMainBuffer(s,t.start)}else this.flushMainBuffer(0,t.start)},f.getFwdBufferInfo=function(t,e){var r=this.config,i=this.getLoadPosition();if(!Object(a.a)(i))return null;var n=nt.bufferInfo(t,i,r.maxBufferHole);if(0===n.len&&void 0!==n.nextStart){var s=this.fragmentTracker.getBufferedFrag(i,e);if(s&&n.nextStart=r&&(e.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},f.getNextFragment=function(t,e){var r,i,a=e.fragments,n=a.length;if(!n)return null;var s,o=this.config,l=a[0].start;if(e.live){var u=o.initialLiveManifestSize;if(n-1&&rr.start&&r.loaded},f.getInitialLiveFragment=function(t,e){var r=this.fragPrevious,i=null;if(r){if(t.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+r.programDateTime),i=function(t,e,r){if(null===e||!Array.isArray(t)||!t.length||!Object(a.a)(e))return null;if(e<(t[0].programDateTime||0))return null;if(e>=(t[t.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;i=t.startSN&&n<=t.endSN){var s=e[n-t.startSN];r.cc===s.cc&&(i=s,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=function(t,e){return dt.search(t,(function(t){return t.cce?-1:0}))}(e,r.cc))&&this.log("Live playlist, switching playlist, load frag with same CC: "+i.sn)}}else{var o=this.hls.liveSyncPosition;null!==o&&(i=this.getFragmentAtPosition(o,this.bitrateTest?t.fragmentEnd:t.edge,t))}return i},f.getFragmentAtPosition=function(t,e,r){var i,a=this.config,n=this.fragPrevious,s=r.fragments,o=r.endSN,l=r.fragmentHint,u=a.maxFragLookUpTolerance,d=!!(a.lowLatencyMode&&r.partList&&l);(d&&l&&!this.bitrateTest&&(s=s.concat(l),o=l.sn),te-u?0:u):i=s[s.length-1];if(i){var h=i.sn-r.startSN,f=n&&i.level===n.level,c=s[h+1];if(this.fragmentTracker.getState(i)===$.BACKTRACKED){i=null;for(var v=h;s[v]&&this.fragmentTracker.getState(s[v])===$.BACKTRACKED;)i=n?s[v--]:s[--v];i||(i=c)}else n&&i.sn===n.sn&&!d&&f&&(i.sn=n-e.maxFragLookUpTolerance&&a<=s;if(null!==i&&r.duration>i&&(a"+t.startSN+" prev-sn: "+(n?n.sn:"na")+" fragments: "+o),h}return l},f.waitForCdnTuneIn=function(t){return t.live&&t.canBlockReload&&t.tuneInGoal>Math.max(t.partHoldBack,3*t.partTarget)},f.setStartPosition=function(t,e){var r=this.startPosition;if(r"+t))}}])&&At(u.prototype,d),h&&At(u,h),i}(it);function Bt(){return self.MediaSource||self.WebKitMediaSource}function Ut(){return self.SourceBuffer||self.WebKitSourceBuffer}var Gt=r(17),jt=r(9),Ht=r(13),Kt=Bt()||{isTypeSupported:function(){return!1}},Vt=function(){function t(t,e,r,i){var a=this;this.hls=void 0,this.id=void 0,this.observer=void 0,this.frag=null,this.part=null,this.worker=void 0,this.onwmsg=void 0,this.transmuxer=null,this.onTransmuxComplete=void 0,this.onFlush=void 0,this.hls=t,this.id=e,this.onTransmuxComplete=r,this.onFlush=i;var l=t.config,u=function(e,r){(r=r||{}).frag=a.frag,r.id=a.id,t.trigger(e,r)};this.observer=new Ht.EventEmitter,this.observer.on(n.a.FRAG_DECRYPTED,u),this.observer.on(n.a.ERROR,u);var d={mp4:Kt.isTypeSupported("video/mp4"),mpeg:Kt.isTypeSupported("audio/mpeg"),mp3:Kt.isTypeSupported('audio/mp4; codecs="mp3"')},h=navigator.vendor;if(l.enableWorker&&"undefined"!=typeof Worker){var f;o.b.log("demuxing in webworker");try{f=this.worker=Gt(18),this.onwmsg=this.onWorkerMessage.bind(this),f.addEventListener("message",this.onwmsg),f.onerror=function(e){t.trigger(n.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(e.message+" ("+e.filename+":"+e.lineno+")")})},f.postMessage({cmd:"init",typeSupported:d,vendor:h,id:e,config:JSON.stringify(l)})}catch(t){o.b.warn("Error in worker:",t),o.b.error("Error while initializing DemuxerWorker, fallback to inline"),f&&self.URL.revokeObjectURL(f.objectURL),this.transmuxer=new jt.c(this.observer,d,l,h,e),this.worker=null}}else this.transmuxer=new jt.c(this.observer,d,l,h,e)}var e=t.prototype;return e.destroy=function(){var t=this.worker;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.worker=null;else{var e=this.transmuxer;e&&(e.destroy(),this.transmuxer=null)}var r=this.observer;r&&r.removeAllListeners(),this.observer=null},e.push=function(t,e,r,i,a,n,s,l,u,d){var h,f,c=this;u.transmuxing.start=self.performance.now();var v=this.transmuxer,g=this.worker,p=n?n.start:a.start,m=a.decryptdata,y=this.frag,b=!(y&&a.cc===y.cc),T=!(y&&u.level===y.level),E=y?u.sn-y.sn:-1,S=this.part?u.part-this.part.index:1,L=!T&&(1===E||0===E&&1===S),A=self.performance.now();(T||E||0===a.stats.parsing.start)&&(a.stats.parsing.start=A),!n||!S&&L||(n.stats.parsing.start=A);var R=!(y&&(null===(h=a.initSegment)||void 0===h?void 0:h.url)===(null===(f=y.initSegment)||void 0===f?void 0:f.url)),D=new jt.b(b,L,l,T,p,R);if(!L||b||R){o.b.log("[transmuxer-interface, "+a.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n discontinuity: "+b+"\n trackSwitch: "+T+"\n contiguous: "+L+"\n accurateTimeOffset: "+l+"\n timeOffset: "+p+"\n initSegmentChange: "+R);var _=new jt.a(r,i,e,s,d);this.configureTransmuxer(_)}if(this.frag=a,this.part=n,g)g.postMessage({cmd:"demux",data:t,decryptdata:m,chunkMeta:u,state:D},t instanceof ArrayBuffer?[t]:[]);else if(v){var k=v.push(t,m,u,D);Object(jt.d)(k)?k.then((function(t){c.handleTransmuxComplete(t)})):this.handleTransmuxComplete(k)}},e.flush=function(t){var e=this;t.transmuxing.start=self.performance.now();var r=this.transmuxer,i=this.worker;if(i)i.postMessage({cmd:"flush",chunkMeta:t});else if(r){var a=r.flush(t);Object(jt.d)(a)?a.then((function(r){e.handleFlushResult(r,t)})):this.handleFlushResult(a,t)}},e.handleFlushResult=function(t,e){var r=this;t.forEach((function(t){r.handleTransmuxComplete(t)})),this.onFlush(e)},e.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(e.data);break;case"flush":this.onFlush(e.data);break;default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data)}},e.configureTransmuxer=function(t){var e=this.worker,r=this.transmuxer;e?e.postMessage({cmd:"configure",config:t}):r&&r.configure(t)},e.handleTransmuxComplete=function(t){t.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(t)},t}(),Wt=function(){function t(t,e,r,i){this.config=void 0,this.media=void 0,this.fragmentTracker=void 0,this.hls=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.config=t,this.media=e,this.fragmentTracker=r,this.hls=i}var e=t.prototype;return e.destroy=function(){this.hls=this.fragmentTracker=this.media=null},e.poll=function(t){var e=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,l=!this.seeking&&n;if(this.seeking=n,a===t){if((l||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&nt.getBuffered(r).length){var u=nt.bufferInfo(r,a,0),d=u.len>0,h=u.nextStart||0;if(d||h){if(n){var f=u.len>2,c=!h||h-a>2&&!this.fragmentTracker.getPartialFragment(a);if(f||c)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var v,g=Math.max(h,u.start||0)-a,p=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,m=(null==p||null===(v=p.details)||void 0===v?void 0:v.live)?2*p.details.targetduration:2;if(g>0&&g<=m)return void this._trySkipBufferHole(null)}var y=self.performance.now();if(null!==i){var b=y-i;!n&&b>=250&&this._reportStall(u.len);var T=nt.bufferInfo(r,a,e.maxBufferHole);this._tryFixBufferStall(T,b)}else this.stalled=y}}}else if(this.moved=!0,null!==i){if(this.stallReported){var E=self.performance.now()-i;o.b.warn("playback not stuck anymore @"+a+", after "+Math.round(E)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},e._tryFixBufferStall=function(t,e){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;t.len>r.maxBufferHole&&e>1e3*r.highBufferWatchdogPeriod&&(o.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},e._reportStall=function(t){var e=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,o.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer (buffer="+t+")"),e.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:t}))},e._trySkipBufferHole=function(t){for(var e=this.config,r=this.hls,i=this.media,a=i.currentTime,l=0,u=nt.getBuffered(i),d=0;d=l&&a0&&-1===t&&(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=_t,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this._forceStartLoad=!0,this.state=Dt},f.stopLoad=function(){this._forceStartLoad=!1,t.prototype.stopLoad.call(this)},f.doTick=function(){switch(this.state){case _t:this.doTickIdle();break;case Mt:var t,e=this.levels,r=this.level,i=null==e||null===(t=e[r])||void 0===t?void 0:t.details;if(i&&(!i.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(i))break;this.state=_t;break}break;case Ct:var a,n=self.performance.now(),s=this.retryDate;(!s||n>=s||null!==(a=this.media)&&void 0!==a&&a.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.state=_t)}this.onTickEnd()},f.onTickEnd=function(){t.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},f.doTickIdle=function(){var t,e,r=this.hls,i=this.levelLastLoaded,a=this.levels,s=this.media,o=r.config,l=r.nextLoadLevel;if(null!==i&&(s||!this.startFragRequested&&o.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&a&&a[l]){var d=a[l];this.level=r.nextLoadLevel=l;var h=d.details;if(!h||this.state===Mt||h.live&&this.levelLastLoaded!==l)this.state=Mt;else{var f=this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:s,_.b.MAIN);if(null!==f)if(!(f.len>=this.getMaxBufferLength(d.maxBitrate))){if(this._streamEnded(f,h)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(n.a.BUFFER_EOS,c),void(this.state=Pt)}var v=f.end,g=this.getNextFragment(v,h);if(this.couldBacktrack&&!this.fragPrevious&&g&&"initSegment"!==g.sn){var p=g.sn-h.startSN;p>1&&(g=h.fragments[p-1],this.fragmentTracker.removeFragment(g))}if(g&&this.fragmentTracker.getState(g)===$.OK&&this.nextLoadPosition>v){var m=this.audioOnly&&!this.altAudio?u.a.AUDIO:u.a.VIDEO;this.afterBufferFlushed(s,m,_.b.MAIN),g=this.getNextFragment(this.nextLoadPosition,h)}g&&(!g.initSegment||g.initSegment.data||this.bitrateTest||(g=g.initSegment),"identity"!==(null===(t=g.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=g.decryptdata)&&void 0!==e&&e.key?this.loadFragment(g,h,v):this.loadKey(g,h))}}}},f.loadFragment=function(e,r,i){var a,n=this.fragmentTracker.getState(e);if(this.fragCurrent=e,n===$.BACKTRACKED){var s=this.fragmentTracker.getBacktrackData(e);if(s)return this._handleFragmentLoadProgress(s),void this._handleFragmentLoadComplete(s);n=$.NOT_LOADED}n===$.NOT_LOADED||n===$.PARTIAL?"initSegment"===e.sn?this._loadInitSegment(e):this.bitrateTest?(e.bitrateTest=!0,this.log("Fragment "+e.sn+" of level "+e.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(e)):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,r,i)):n===$.APPENDING?this.reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e):0===(null===(a=this.media)||void 0===a?void 0:a.buffered.length)&&this.fragmentTracker.removeAllFragments()},f.getAppendedFrag=function(t){var e=this.fragmentTracker.getAppendedFrag(t,_.b.MAIN);return e&&"fragment"in e?e.fragment:e},f.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,_.b.MAIN)},f.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.end+.5):null},f.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},f.nextLevelSwitch=function(){var t=this.levels,e=this.media;if(null!=e&&e.readyState){var r,i=this.getAppendedFrag(e.currentTime);if(i&&i.start>1&&this.flushMainBuffer(0,i.start-1),!e.paused&&t){var a=t[this.hls.nextLoadLevel],n=this.fragLastKbps;r=n&&this.fragCurrent?this.fragCurrent.duration*a.maxBitrate/(1e3*n)+1:0}else r=0;var s=this.getBufferedFrag(e.currentTime+r);if(s){var o=this.followingBufferedFrag(s);if(o){this.abortCurrentFrag();var l=o.maxStartPTS?o.maxStartPTS:o.start,u=o.duration,d=Math.max(s.end,l+Math.min(Math.max(u-this.config.maxFragLookUpTolerance,.5*u),.75*u));this.flushMainBuffer(d,Number.POSITIVE_INFINITY)}}}},f.abortCurrentFrag=function(){var t=this.fragCurrent;this.fragCurrent=null,null!=t&&t.loader&&t.loader.abort(),this.state===kt&&(this.state=_t),this.nextLoadPosition=this.getLoadPosition()},f.flushMainBuffer=function(e,r){t.prototype.flushMainBuffer.call(this,e,r,this.altAudio?"video":null)},f.onMediaAttached=function(e,r){t.prototype.onMediaAttached.call(this,e,r);var i=r.media;this.onvplaying=this.onMediaPlaying.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),i.addEventListener("playing",this.onvplaying),i.addEventListener("seeked",this.onvseeked),this.gapController=new Wt(this.config,i,this.fragmentTracker,this.hls)},f.onMediaDetaching=function(){var e=this.media;e&&(e.removeEventListener("playing",this.onvplaying),e.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),t.prototype.onMediaDetaching.call(this)},f.onMediaPlaying=function(){this.tick()},f.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:null;Object(a.a)(e)&&this.log("Media seeked to "+e.toFixed(3)),this.tick()},f.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(n.a.BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.couldBacktrack=this.stalled=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null},f.onManifestParsed=function(t,e){var r,i,a,n=!1,s=!1;e.levels.forEach((function(t){(r=t.audioCodec)&&(-1!==r.indexOf("mp4a.40.2")&&(n=!0),-1!==r.indexOf("mp4a.40.5")&&(s=!0))})),this.audioCodecSwitch=n&&s&&!("function"==typeof(null==(a=Ut())||null===(i=a.prototype)||void 0===i?void 0:i.changeType)),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=e.levels,this.startFragRequested=!1},f.onLevelLoading=function(t,e){var r=this.levels;if(r&&this.state===_t){var i=r[e.level];(!i.details||i.details.live&&this.levelLastLoaded!==e.level||this.waitForCdnTuneIn(i.details))&&(this.state=Mt)}},f.onLevelLoaded=function(t,e){var r,i=this.levels,a=e.level,s=e.details,o=s.totalduration;if(i){this.log("Level "+a+" loaded ["+s.startSN+","+s.endSN+"], cc ["+s.startCC+", "+s.endCC+"] duration:"+o);var l=this.fragCurrent;!l||this.state!==xt&&this.state!==Ct||l.level!==e.level&&l.loader&&(this.state=_t,l.loader.abort());var u=i[a],d=0;if(s.live||null!==(r=u.details)&&void 0!==r&&r.live){if(s.fragments[0]||(s.deltaUpdateFailed=!0),s.deltaUpdateFailed)return;d=this.alignPlaylists(s,u.details)}if(u.details=s,this.levelLastLoaded=a,this.hls.trigger(n.a.LEVEL_UPDATED,{details:s,level:a}),this.state===Mt){if(this.waitForCdnTuneIn(s))return;this.state=_t}this.startFragRequested?s.live&&this.synchronizeToLiveEdge(s):this.setStartPosition(s,d),this.tick()}else this.warn("Levels were reset while loading level "+a)},f._handleFragmentLoadProgress=function(t){var e,r=t.frag,i=t.part,a=t.payload,n=this.levels;if(n){var s=n[r.level],o=s.details;if(o){var l=s.videoCodec,u=o.PTSKnown||!o.live,d=null===(e=r.initSegment)||void 0===e?void 0:e.data,h=this._getAudioCodec(s),f=this.transmuxer=this.transmuxer||new Vt(this.hls,_.b.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),c=i?i.index:-1,v=-1!==c,g=new st(r.level,r.sn,r.stats.chunkCount,a.byteLength,c,v),p=this.initPTS[r.cc];f.push(a,d,h,l,r,i,o.totalduration,u,g,p)}else this.warn("Dropping fragment "+r.sn+" of level "+r.level+" after level details were reset")}else this.warn("Levels were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},f.onAudioTrackSwitching=function(t,e){var r=this.altAudio,i=!!e.url,a=e.id;if(!i){if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var s=this.fragCurrent;null!=s&&s.loader&&(this.log("Switching to main audio track, cancel main fragment load"),s.loader.abort()),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;r&&o.trigger(n.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(n.a.AUDIO_TRACK_SWITCHED,{id:a})}},f.onAudioTrackSwitched=function(t,e){var r=e.id,i=!!this.hls.audioTracks[r].url;if(i){var a=this.videoBuffer;a&&this.mediaBuffer!==a&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=a)}this.altAudio=i,this.tick()},f.onBufferCreated=function(t,e){var r,i,a=e.tracks,n=!1;for(var s in a){var o=a[s];if("main"===o.id){if(i=s,r=o,"video"===s){var l=a[s];l&&(this.videoBuffer=l.buffer)}}else n=!0}n&&r?(this.log("Alternate track found, use "+i+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},f.onFragBuffered=function(t,e){var r=e.frag,i=e.part;if(!r||r.type===_.b.MAIN){if(this.fragContextChanged(r))return this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state),void(this.state===Ot&&(this.state=_t));var a=i?i.stats:r.stats;this.fragLastKbps=Math.round(8*a.total/(a.buffering.end-a.loading.first)),"initSegment"!==r.sn&&(this.fragPrevious=r),this.fragBufferedComplete(r,i)}},f.onError=function(t,e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(_.b.MAIN,e);break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:this.state!==Ft&&(e.fatal?(this.warn(""+e.details),this.state=Ft):e.levelRetry||this.state!==Mt||(this.state=_t));break;case s.a.BUFFER_FULL_ERROR:if("main"===e.parent&&(this.state===wt||this.state===Ot)){var r=!0,i=this.getFwdBufferInfo(this.media,_.b.MAIN);i&&i.len>.5&&(r=!this.reduceMaxBufferLength(i.len)),r&&(this.warn("buffer full error also media.currentTime is not buffered, flush main"),this.immediateLevelSwitch()),this.resetLoadingState()}}},f.checkBuffer=function(){var t=this.media,e=this.gapController;if(t&&e&&t.readyState){var r=nt.getBuffered(t);!this.loadedmetadata&&r.length?(this.loadedmetadata=!0,this.seekToStartPos()):e.poll(this.lastCurrentTime),this.lastCurrentTime=t.currentTime}},f.onFragLoadEmergencyAborted=function(){this.state=_t,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},f.onBufferFlushed=function(t,e){var r=e.type;if(r!==u.a.AUDIO||this.audioOnly&&!this.altAudio){var i=(r===u.a.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(i,r,_.b.MAIN)}},f.onLevelsUpdated=function(t,e){this.levels=e.levels},f.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},f.seekToStartPos=function(){var t=this.media,e=t.currentTime,r=this.startPosition;if(r>=0&&e0&&(a1&&!1===t.seeking){var r=t.currentTime;if(nt.isBuffered(t,r)?e=this.getAppendedFrag(r):nt.isBuffered(t,r+.1)&&(e=this.getAppendedFrag(r+.1)),e){var i=this.fragPlaying,a=e.level;i&&e.sn===i.sn&&i.level===a&&e.urlId===i.urlId||(this.hls.trigger(n.a.FRAG_CHANGED,{frag:e}),i&&i.level===a||this.hls.trigger(n.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=e)}}},l=i,(d=[{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;if(t){var e=this.getAppendedFrag(t.currentTime);return this.followingBufferedFrag(e)}return null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])&&Yt(l.prototype,d),h&&Yt(l,h),i}(Nt),zt=function(){function t(t,e,r){void 0===e&&(e=0),void 0===r&&(r=0),this.halfLife=void 0,this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.halfLife=t,this.alpha_=t?Math.exp(Math.log(.5)/t):0,this.estimate_=e,this.totalWeight_=r}var e=t.prototype;return e.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},e.getTotalWeight=function(){return this.totalWeight_},e.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);if(t)return this.estimate_/t}return this.estimate_},t}(),Qt=function(){function t(t,e,r){this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.defaultEstimate_=r,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new zt(t),this.fast_=new zt(e)}var e=t.prototype;return e.update=function(t,e){var r=this.slow_,i=this.fast_;this.slow_.halfLife!==t&&(this.slow_=new zt(t,r.getEstimate(),r.getTotalWeight())),this.fast_.halfLife!==e&&(this.fast_=new zt(e,i.getEstimate(),i.getTotalWeight()))},e.sample=function(t,e){var r=(t=Math.max(t,this.minDelayMs_))/1e3,i=8*e/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},e.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},e.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},e.destroy=function(){},t}();function $t(t,e){for(var r=0;r=2*d/f||y<=T)){var E,S=Number.POSITIVE_INFINITY;for(E=t.level-1;E>v;E--){if((S=d*c[E].maxBitrate/(6.4*m))=y)){var L=this.bwEstimator.getEstimate();o.b.warn("Fragment "+t.sn+(e?" part "+e.index:"")+" of level "+t.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+E+"\n Current BW estimate: "+(Object(a.a)(L)?(L/1024).toFixed(3):"Unknown")+" Kb/s\n Estimated load time for current fragment: "+y.toFixed(3)+" s\n Estimated load time for the next fragment: "+S.toFixed(3)+" s\n Time to underbuffer: "+T.toFixed(3)+" s"),r.nextLoadLevel=E,this.bwEstimator.sample(h,u.loaded),this.clearTimer(),t.loader&&(this.fragCurrent=this.partCurrent=null,t.loader.abort()),r.trigger(n.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:t,part:e,stats:u})}}}}}},l.onFragLoaded=function(t,e){var r=e.frag,i=e.part;if(r.type===_.b.MAIN&&Object(a.a)(r.sn)){var s=i?i.stats:r.stats,o=i?i.duration:r.duration;if(this.clearTimer(),this.lastLoadedFragLevel=r.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var l=this.hls.levels[r.level],u=(l.loaded?l.loaded.bytes:0)+s.loaded,d=(l.loaded?l.loaded.duration:0)+o;l.loaded={bytes:u,duration:d},l.realBitrate=Math.round(8*u/d)}if(r.bitrateTest){var h={stats:s,frag:r,part:i,id:r.type};this.onFragBuffered(n.a.FRAG_BUFFERED,h),r.bitrateTest=!1}}},l.onFragBuffered=function(t,e){var r=e.frag,i=e.part,a=i?i.stats:r.stats;if(!a.aborted&&r.type===_.b.MAIN&&"initSegment"!==r.sn){var n=a.parsing.end-a.loading.start;this.bwEstimator.sample(n,a.loaded),a.bwEstimate=this.bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=n/1e3:this.bitrateTestDelay=0}},l.onError=function(t,e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},l.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},l.getNextABRAutoLevel=function(){var t=this.fragCurrent,e=this.partCurrent,r=this.hls,i=r.maxAutoLevel,a=r.config,n=r.minAutoLevel,s=r.media,l=e?e.duration:t?t.duration:0,u=s?s.currentTime:0,d=s&&0!==s.playbackRate?Math.abs(s.playbackRate):1,h=this.bwEstimator?this.bwEstimator.getEstimate():a.abrEwmaDefaultEstimate,f=(nt.bufferInfo(s,u,a.maxBufferHole).end-u)/d,c=this.findBestLevel(h,n,i,f,a.abrBandWidthFactor,a.abrBandWidthUpFactor);if(c>=0)return c;o.b.trace((f?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var v=l?Math.min(l,a.maxStarvationDelay):a.maxStarvationDelay,g=a.abrBandWidthFactor,p=a.abrBandWidthUpFactor;if(!f){var m=this.bitrateTestDelay;if(m)v=(l?Math.min(l,a.maxLoadingDelay):a.maxLoadingDelay)-m,o.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),g=p=1}return c=this.findBestLevel(h,n,i,f+v,g,p),Math.max(c,0)},l.findBestLevel=function(t,e,r,i,a,n){for(var s,l=this.fragCurrent,u=this.partCurrent,d=this.lastLoadedFragLevel,h=this.hls.levels,f=h[d],c=!(null==f||null===(s=f.details)||void 0===s||!s.live),v=null==f?void 0:f.codecSet,g=u?u.duration:l?l.duration:0,p=r;p>=e;p--){var m=h[p];if(m&&(!v||m.codecSet===v)){var y=m.details,b=(u?null==y?void 0:y.partTarget:null==y?void 0:y.averagetargetduration)||g,T=void 0;T=p<=d?a*t:n*t;var E=h[p].maxBitrate,S=E*b/T;if(o.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+p+"/"+Math.round(T)+"/"+E+"/"+b+"/"+i+"/"+S),T>E&&(!S||c&&!this.bitrateTestDelay||S0||Object.keys(this.pendingTracks).length>0},e.destroy=function(){this.unregisterListeners(),this.details=null},e.registerListeners=function(){var t=this.hls;t.on(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(n.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(n.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(n.a.BUFFER_RESET,this.onBufferReset,this),t.on(n.a.BUFFER_APPENDING,this.onBufferAppending,this),t.on(n.a.BUFFER_CODECS,this.onBufferCodecs,this),t.on(n.a.BUFFER_EOS,this.onBufferEos,this),t.on(n.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(n.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.on(n.a.FRAG_PARSED,this.onFragParsed,this),t.on(n.a.FRAG_CHANGED,this.onFragChanged,this)},e.unregisterListeners=function(){var t=this.hls;t.off(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(n.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(n.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(n.a.BUFFER_RESET,this.onBufferReset,this),t.off(n.a.BUFFER_APPENDING,this.onBufferAppending,this),t.off(n.a.BUFFER_CODECS,this.onBufferCodecs,this),t.off(n.a.BUFFER_EOS,this.onBufferEos,this),t.off(n.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(n.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.off(n.a.FRAG_PARSED,this.onFragParsed,this),t.off(n.a.FRAG_CHANGED,this.onFragChanged,this)},e._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new ee(this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},e.onManifestParsed=function(t,e){var r=2;(e.audio&&!e.video||!e.altAudio)&&(r=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=r,this.details=null,o.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},e.onMediaAttaching=function(t,e){var r=this.media=e.media;if(r&&re){var i=this.mediaSource=new re;i.addEventListener("sourceopen",this._onMediaSourceOpen),i.addEventListener("sourceended",this._onMediaSourceEnded),i.addEventListener("sourceclose",this._onMediaSourceClose),r.src=self.URL.createObjectURL(i),this._objectUrl=r.src}},e.onMediaDetaching=function(){var t=this.media,e=this.mediaSource,r=this._objectUrl;if(e){if(o.b.log("[buffer-controller]: media source detaching"),"open"===e.readyState)try{e.endOfStream()}catch(t){o.b.warn("[buffer-controller]: onMediaDetaching: "+t.message+" while calling endOfStream")}this.onBufferReset(),e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),t&&(r&&self.URL.revokeObjectURL(r),t.src===r?(t.removeAttribute("src"),t.load()):o.b.warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={}}this.hls.trigger(n.a.MEDIA_DETACHED,void 0)},e.onBufferReset=function(){var t=this;this.getSourceBufferTypes().forEach((function(e){var r=t.sourceBuffer[e];try{r&&(t.removeBufferListeners(e),t.mediaSource&&t.mediaSource.removeSourceBuffer(r),t.sourceBuffer[e]=void 0)}catch(t){o.b.warn("[buffer-controller]: Failed to reset the "+e+" buffer",t)}})),this._initSourceBuffer()},e.onBufferCodecs=function(t,e){var r=this,i=this.getSourceBufferTypes().length;Object.keys(e).forEach((function(t){if(i){var a=r.tracks[t];if(a&&"function"==typeof a.buffer.changeType){var n=e[t],s=n.codec,o=n.levelCodec,l=n.container;if((a.levelCodec||a.codec).replace(ie,"$1")!==(o||s).replace(ie,"$1")){var u=l+";codecs="+(o||s);r.appendChangeType(t,u)}}}else r.pendingTracks[t]=e[t]})),i||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},e.appendChangeType=function(t,e){var r=this,i=this.operationQueue,a={execute:function(){var a=r.sourceBuffer[t];a&&(o.b.log("[buffer-controller]: changing "+t+" sourceBuffer type to "+e),a.changeType(e)),i.shiftAndExecuteNext(t)},onStart:function(){},onComplete:function(){},onError:function(e){o.b.warn("[buffer-controller]: Failed to change "+t+" SourceBuffer type",e)}};i.append(a,t)},e.onBufferAppending=function(t,e){var r=this,i=this.hls,a=this.operationQueue,l=this.tracks,u=e.data,d=e.type,h=e.frag,f=e.part,c=e.chunkMeta,v=c.buffering[d],g=self.performance.now();v.start=g;var p=h.stats.buffering,m=f?f.stats.buffering:null;0===p.start&&(p.start=g),m&&0===m.start&&(m.start=g);var y=l.audio,b="audio"===d&&1===c.id&&"audio/mpeg"===(null==y?void 0:y.container),T={execute:function(){if(v.executeStart=self.performance.now(),b){var t=r.sourceBuffer[d];if(t){var e=h.start-t.timestampOffset;Math.abs(e)>=.1&&(o.b.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+h.start+" (delta: "+e+") sn: "+h.sn+")"),t.timestampOffset=h.start)}}r.appendExecutor(u,d)},onStart:function(){},onComplete:function(){var t=self.performance.now();v.executeEnd=v.end=t,0===p.first&&(p.first=t),m&&0===m.first&&(m.first=t);var e=r.sourceBuffer,i={};for(var a in e)i[a]=nt.getBuffered(e[a]);r.appendError=0,r.hls.trigger(n.a.BUFFER_APPENDED,{type:d,frag:h,part:f,chunkMeta:c,parent:h.type,timeRanges:i})},onError:function(t){o.b.error("[buffer-controller]: Error encountered while trying to append to the "+d+" SourceBuffer",t);var e={type:s.b.MEDIA_ERROR,parent:h.type,details:s.a.BUFFER_APPEND_ERROR,err:t,fatal:!1};t.code===DOMException.QUOTA_EXCEEDED_ERR?e.details=s.a.BUFFER_FULL_ERROR:(r.appendError++,e.details=s.a.BUFFER_APPEND_ERROR,r.appendError>i.config.appendErrorMaxRetry&&(o.b.error("[buffer-controller]: Failed "+i.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),e.fatal=!0)),i.trigger(n.a.ERROR,e)}};a.append(T,d)},e.onBufferFlushing=function(t,e){var r=this,i=this.operationQueue,a=function(t){return{execute:r.removeExecutor.bind(r,t,e.startOffset,e.endOffset),onStart:function(){},onComplete:function(){r.hls.trigger(n.a.BUFFER_FLUSHED,{type:t})},onError:function(e){o.b.warn("[buffer-controller]: Failed to remove from "+t+" SourceBuffer",e)}}};e.type?i.append(a(e.type),e.type):this.getSourceBufferTypes().forEach((function(t){i.append(a(t),t)}))},e.onFragParsed=function(t,e){var r=this,i=e.frag,a=e.part,s=[],l=a?a.elementaryStreams:i.elementaryStreams;l[u.a.AUDIOVIDEO]?s.push("audiovideo"):(l[u.a.AUDIO]&&s.push("audio"),l[u.a.VIDEO]&&s.push("video"));0===s.length&&o.b.warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers((function(){var t=self.performance.now();i.stats.buffering.end=t,a&&(a.stats.buffering.end=t);var e=a?a.stats:i.stats;r.hls.trigger(n.a.FRAG_BUFFERED,{frag:i,part:a,stats:e,id:i.type})}),s)},e.onFragChanged=function(t,e){this.flushBackBuffer()},e.onBufferEos=function(t,e){var r=this;this.getSourceBufferTypes().reduce((function(t,i){var a=r.sourceBuffer[i];return e.type&&e.type!==i||a&&!a.ended&&(a.ended=!0,o.b.log("[buffer-controller]: "+i+" sourceBuffer now EOS")),t&&!(a&&!a.ended)}),!0)&&this.blockBuffers((function(){var t=r.mediaSource;t&&"open"===t.readyState&&t.endOfStream()}))},e.onLevelUpdated=function(t,e){var r=e.details;r.fragments.length&&(this.details=r,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},e.flushBackBuffer=function(){var t=this.hls,e=this.details,r=this.media,i=this.sourceBuffer;if(r&&null!==e){var s=this.getSourceBufferTypes();if(s.length){var o=e.live&&null!==t.config.liveBackBufferLength?t.config.liveBackBufferLength:t.config.backBufferLength;if(Object(a.a)(o)&&!(o<0)){var l=r.currentTime,u=e.levelTargetDuration,d=Math.max(o,u),h=Math.floor(l/u)*u-d;s.forEach((function(r){var a=i[r];if(a){var s=nt.getBuffered(a);s.length>0&&h>s.start(0)&&(t.trigger(n.a.BACK_BUFFER_REACHED,{bufferEnd:h}),e.live&&t.trigger(n.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:h}),t.trigger(n.a.BUFFER_FLUSHING,{startOffset:0,endOffset:h,type:r}))}}))}}}},e.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var t=this.details,e=this.hls,r=this.media,i=this.mediaSource,n=t.fragments[0].start+t.totalduration,s=r.duration,l=Object(a.a)(i.duration)?i.duration:0;t.live&&e.config.liveDurationInfinity?(o.b.log("[buffer-controller]: Media Source duration is set to Infinity"),i.duration=1/0,this.updateSeekableRange(t)):(n>l&&n>s||!Object(a.a)(s))&&(o.b.log("[buffer-controller]: Updating Media Source duration to "+n.toFixed(3)),i.duration=n)}},e.updateSeekableRange=function(t){var e=this.mediaSource,r=t.fragments;if(r.length&&t.live&&null!=e&&e.setLiveSeekableRange){var i=Math.max(0,r[0].start),a=Math.max(i,i+t.totalduration);e.setLiveSeekableRange(i,a)}},e.checkPendingTracks=function(){var t=this.bufferCodecEventsExpected,e=this.operationQueue,r=this.pendingTracks,i=Object.keys(r).length;if(i&&!t||2===i){this.createSourceBuffers(r),this.pendingTracks={};var a=this.getSourceBufferTypes();if(0===a.length)return void this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,reason:"could not create source buffer for media codec(s)"});a.forEach((function(t){e.executeNext(t)}))}},e.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");var i=0;for(var a in t)if(!e[a]){var l=t[a];if(!l)throw Error("source buffer exists for track "+a+", however track does not");var u=l.levelCodec||l.codec,d=l.container+";codecs="+u;o.b.log("[buffer-controller]: creating sourceBuffer("+d+")");try{var h=e[a]=r.addSourceBuffer(d),f=a;this.addBufferListener(f,"updatestart",this._onSBUpdateStart),this.addBufferListener(f,"updateend",this._onSBUpdateEnd),this.addBufferListener(f,"error",this._onSBUpdateError),this.tracks[a]={buffer:h,codec:u,container:l.container,levelCodec:l.levelCodec,id:l.id},i++}catch(t){o.b.error("[buffer-controller]: error while trying to add sourceBuffer: "+t.message),this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:t,mimeType:d})}}i&&this.hls.trigger(n.a.BUFFER_CREATED,{tracks:this.tracks})},e._onSBUpdateStart=function(t){this.operationQueue.current(t).onStart()},e._onSBUpdateEnd=function(t){var e=this.operationQueue;e.current(t).onComplete(),e.shiftAndExecuteNext(t)},e._onSBUpdateError=function(t,e){o.b.error("[buffer-controller]: "+t+" SourceBuffer error",e),this.hls.trigger(n.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_APPENDING_ERROR,fatal:!1});var r=this.operationQueue.current(t);r&&r.onError(e)},e.removeExecutor=function(t,e,r){var i=this.media,n=this.mediaSource,s=this.operationQueue,l=this.sourceBuffer[t];if(!i||!n||!l)return o.b.warn("[buffer-controller]: Attempting to remove from the "+t+" SourceBuffer, but it does not exist"),void s.shiftAndExecuteNext(t);var u=Object(a.a)(i.duration)?i.duration:1/0,d=Object(a.a)(n.duration)?n.duration:1/0,h=Math.max(0,e),f=Math.min(r,u,d);f>h?(o.b.log("[buffer-controller]: Removing ["+h+","+f+"] from the "+t+" SourceBuffer"),l.remove(h,f)):s.shiftAndExecuteNext(t)},e.appendExecutor=function(t,e){var r=this.operationQueue,i=this.sourceBuffer[e];if(!i)return o.b.warn("[buffer-controller]: Attempting to append to the "+e+" SourceBuffer, but it does not exist"),void r.shiftAndExecuteNext(e);i.ended=!1,i.appendBuffer(t)},e.blockBuffers=function(t,e){var r=this;if(void 0===e&&(e=this.getSourceBufferTypes()),!e.length)return o.b.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve(t);var i=this.operationQueue,a=e.map((function(t){return i.appendBlocker(t)}));Promise.all(a).then((function(){t(),e.forEach((function(t){var e=r.sourceBuffer[t];e&&e.updating||i.shiftAndExecuteNext(t)}))}))},e.getSourceBufferTypes=function(){return Object.keys(this.sourceBuffer)},e.addBufferListener=function(t,e,r){var i=this.sourceBuffer[t];if(i){var a=r.bind(this,t);this.listeners[t].push({event:e,listener:a}),i.addEventListener(e,a)}},e.removeBufferListeners=function(t){var e=this.sourceBuffer[t];e&&this.listeners[t].forEach((function(t){e.removeEventListener(t.event,t.listener)}))},t}();function ne(t,e){for(var r=0;r0&&this.mediaWidth>0){var t=this.hls.levels;if(t.length){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t.length-1),e.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},a.getMaxLevel=function(e){var r=this,i=this.hls.levels;if(!i.length)return-1;var a=i.filter((function(i,a){return t.isLevelAllowed(a,r.restrictedLevels)&&a<=e}));return this.clientRect=null,t.getMaxLevelByMediaSize(a,this.mediaWidth,this.mediaHeight)},a.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},a.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},a.getDimensions=function(){if(this.clientRect)return this.clientRect;var t=this.media,e={width:0,height:0};if(t){var r=t.getBoundingClientRect();e.width=r.width,e.height=r.height,e.width||e.height||(e.width=r.right-r.left||t.width||0,e.height=r.bottom-r.top||t.height||0)}return this.clientRect=e,e},t.isLevelAllowed=function(t,e){return void 0===e&&(e=[]),-1===e.indexOf(t)},t.getMaxLevelByMediaSize=function(t,e,r){if(!t||!t.length)return-1;for(var i,a,n=t.length-1,s=0;s=e||o.height>=r)&&(i=o,!(a=t[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},e=t,i=[{key:"contentScaleFactor",get:function(){var t=1;try{t=self.devicePixelRatio}catch(t){}return t}}],(r=[{key:"mediaWidth",get:function(){return this.getDimensions().width*t.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*t.contentScaleFactor}}])&&ne(e.prototype,r),i&&ne(e,i),t}(),oe=function(){function t(t){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=t,this.registerListeners()}var e=t.prototype;return e.setStreamController=function(t){this.streamController=t},e.registerListeners=function(){this.hls.on(n.a.MEDIA_ATTACHING,this.onMediaAttaching,this)},e.unregisterListeners=function(){this.hls.off(n.a.MEDIA_ATTACHING,this.onMediaAttaching)},e.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},e.onMediaAttaching=function(t,e){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=e.media instanceof self.HTMLVideoElement?e.media:null;this.media=i,i&&"function"==typeof i.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),r.fpsDroppedMonitoringPeriod)}},e.checkFPS=function(t,e,r){var i=performance.now();if(e){if(this.lastTime){var a=i-this.lastTime,s=r-this.lastDroppedFrames,l=e-this.lastDecodedFrames,u=1e3*s/a,d=this.hls;if(d.trigger(n.a.FPS_DROP,{currentDropped:s,currentDecoded:l,totalDroppedFrames:r}),u>0&&s>d.config.fpsDroppedMonitoringThreshold*l){var h=d.currentLevel;o.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+h),h>0&&(-1===d.autoLevelCapping||d.autoLevelCapping>=h)&&(h-=1,d.trigger(n.a.FPS_DROP_LEVEL_CAPPING,{level:h,droppedLevel:d.currentLevel}),d.autoLevelCapping=h,this.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=e}},e.checkFPSInterval=function(){var t=this.media;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},t}(),le=r(12),ue=/^age:\s*[\d.]+\s*$/m,de=function(){function t(t){this.xhrSetup=void 0,this.requestTimeout=void 0,this.retryTimeout=void 0,this.retryDelay=void 0,this.config=null,this.callbacks=null,this.context=void 0,this.loader=null,this.stats=void 0,this.xhrSetup=t?t.xhrSetup:null,this.stats=new le.a,this.retryDelay=0}var e=t.prototype;return e.destroy=function(){this.callbacks=null,this.abortInternal(),this.loader=null,this.config=null},e.abortInternal=function(){var t=this.loader;self.clearTimeout(this.requestTimeout),self.clearTimeout(this.retryTimeout),t&&(t.onreadystatechange=null,t.onprogress=null,4!==t.readyState&&(this.stats.aborted=!0,t.abort()))},e.abort=function(){var t;this.abortInternal(),null!==(t=this.callbacks)&&void 0!==t&&t.onAbort&&this.callbacks.onAbort(this.stats,this.context,this.loader)},e.load=function(t,e,r){if(this.stats.loading.start)throw new Error("Loader can only be used once.");this.stats.loading.start=self.performance.now(),this.context=t,this.config=e,this.callbacks=r,this.retryDelay=e.retryDelay,this.loadInternal()},e.loadInternal=function(){var t=this.config,e=this.context;if(t){var r=this.loader=new self.XMLHttpRequest,i=this.stats;i.loading.first=0,i.loaded=0;var a=this.xhrSetup;try{if(a)try{a(r,e.url)}catch(t){r.open("GET",e.url,!0),a(r,e.url)}r.readyState||r.open("GET",e.url,!0);var n=this.context.headers;if(n)for(var s in n)r.setRequestHeader(s,n[s])}catch(t){return void this.callbacks.onError({code:r.status,text:t.message},e,r)}e.rangeEnd&&r.setRequestHeader("Range","bytes="+e.rangeStart+"-"+(e.rangeEnd-1)),r.onreadystatechange=this.readystatechange.bind(this),r.onprogress=this.loadprogress.bind(this),r.responseType=e.responseType,self.clearTimeout(this.requestTimeout),this.requestTimeout=self.setTimeout(this.loadtimeout.bind(this),t.timeout),r.send()}},e.readystatechange=function(){var t=this.context,e=this.loader,r=this.stats;if(t&&e){var i=e.readyState,a=this.config;if(!r.aborted&&i>=2)if(self.clearTimeout(this.requestTimeout),0===r.loading.first&&(r.loading.first=Math.max(self.performance.now(),r.loading.start)),4===i){e.onreadystatechange=null,e.onprogress=null;var n=e.status;if(n>=200&&n<300){var s,l;if(r.loading.end=Math.max(self.performance.now(),r.loading.first),l="arraybuffer"===t.responseType?(s=e.response).byteLength:(s=e.responseText).length,r.loaded=r.total=l,!this.callbacks)return;var u=this.callbacks.onProgress;if(u&&u(r,t,s,e),!this.callbacks)return;var d={url:e.responseURL,data:s};this.callbacks.onSuccess(d,r,t,e)}else r.retry>=a.maxRetry||n>=400&&n<499?(o.b.error(n+" while loading "+t.url),this.callbacks.onError({code:n,text:e.statusText},t,e)):(o.b.warn(n+" while loading "+t.url+", retrying in 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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 ce(t,arguments,pe(this).constructor)}return i.prototype=Object.create(t.prototype,{constructor:{value:i,enumerable:!1,writable:!0,configurable:!0}}),ge(i,t)})(t)}function ce(t,e,r){return(ce=ve()?Reflect.construct:function(t,e,r){var i=[null];i.push.apply(i,e);var a=new(Function.bind.apply(t,i));return r&&ge(a,r.prototype),a}).apply(null,arguments)}function ve(){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 ge(t,e){return(ge=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function pe(t){return(pe=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function me(){return(me=Object.assign||function(t){for(var e=1;e=i&&a(e,r,n.flush(),t)):a(e,r,l,t),o()})).catch((function(){return Promise.reject()}))}()},t}();function be(t,e){return new self.Request(t.url,e)}var Te,Ee=function(t){var e,r;function i(e,r,i){var a;return(a=t.call(this,e)||this).code=void 0,a.details=void 0,a.code=r,a.details=i,a}return r=t,(e=i).prototype=Object.create(r.prototype),e.prototype.constructor=e,ge(e,r),i}(fe(Error)),Se=ye;!function(t){t.WIDEVINE="com.widevine.alpha",t.PLAYREADY="com.microsoft.playready"}(Te||(Te={}));var Le="undefined"!=typeof self&&self.navigator&&self.navigator.requestMediaKeySystemAccess?self.navigator.requestMediaKeySystemAccess.bind(self.navigator):null;function Ae(){return(Ae=Object.assign||function(t){for(var e=1;ee)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}}])&&Ce(e.prototype,r),a&&Ce(e,a),t}();we.defaultConfig=void 0}]).default})); // @license-end \ No newline at end of file