From 4127ae91822f9abeffeb614e95b6f9d832ecf7c6 Mon Sep 17 00:00:00 2001 From: Melody Horn Date: Sat, 6 Jun 2020 11:39:50 -0600 Subject: replace bad checkboxes with good map-based UI --- dist/hls.min.js | 2 -- 1 file changed, 2 deletions(-) delete mode 100644 dist/hls.min.js (limited to 'dist/hls.min.js') diff --git a/dist/hls.min.js b/dist/hls.min.js deleted file mode 100644 index e8743f8..0000000 --- a/dist/hls.min.js +++ /dev/null @@ -1,2 +0,0 @@ -"undefined"!=typeof window&&function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Hls=t():e.Hls=t()}(this,(function(){return function(e){var t={};function r(i){if(t[i])return t[i].exports;var a=t[i]={i:i,l:!1,exports:{}};return e[i].call(a.exports,a,a.exports,r),a.l=!0,a.exports}return r.m=e,r.c=t,r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},r.r=function(e){"undefined"!=typeof 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this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){var t,r=8,i=8;for(t=0;t=e.length)return void r();if(!(e[t].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(e,t,r,i),!i)return}}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),i=0,a=32;a<=e.length-16;a+=160,i+=16)r.set(e.subarray(a,a+16),i);return r},t.getAvcDecryptedUnit=function(e,t){t=new Uint8Array(t);for(var r=0,i=32;i<=e.length-16;i+=160,r+=16)e.set(t.subarray(r,r+16),i);return e},t.decryptAvcSample=function(e,t,r,i,a,n){var s=this.discardEPB(a.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){a.data=l.getAvcDecryptedUnit(s,o),n||l.decryptAvcSamples(e,t,r+1,i)}))},t.decryptAvcSamples=function(e,t,r,i){for(;;t++,r=0){if(t>=e.length)return void i();for(var a=e[t].units;!(r>=a.length);r++){var n=a[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,i,n,s),!s)return}}}},e}(),A={video:1,audio:2,id3:3,text:4},R=function(){function e(e,t,r,i){this.observer=e,this.config=r,this.typeSupported=i,this.remuxer=t,this.sampleAes=null}var t=e.prototype;return t.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new _(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},e.probe=function(t){var r=e._syncOffset(t);return!(r<0)&&(r&&o.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead 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0x47"});_&&(h=k(_))?(D(h,!0),v.pesData=null):v.pesData=_,A&&(h=k(A))?(m.isAAC?C(h):O(h),m.pesData=null):(A&&A.size&&o.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=A),R&&(h=k(R))?(I(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,v,y,this._txtTrack,r,n,s):this.decryptAndRemux(m,v,y,this._txtTrack,r,n,s)},t.decryptAndRemux=function(e,t,r,i,a,n,s){if(e.samples&&e.isAAC){var o=this;this.sampleAes.decryptAacSamples(e.samples,0,(function(){o.decryptAndRemuxAvc(e,t,r,i,a,n,s)}))}else this.decryptAndRemuxAvc(e,t,r,i,a,n,s)},t.decryptAndRemuxAvc=function(e,t,r,i,a,n,s){if(t.samples){var o=this;this.sampleAes.decryptAvcSamples(t.samples,0,0,(function(){o.remuxer.remux(e,t,r,i,a,n,s)}))}else this.remuxer.remux(e,t,r,i,a,n,s)},t.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},t._parsePMT=function(e,t,r,i){var a,n,s={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=t+3+((15&e[t+1])<<8|e[t+2])-4,t+=12+((15&e[t+10])<<8|e[t+11]);t1;){var h=new Uint8Array(c[0].length+c[1].length);h.set(c[0]),h.set(c[1],c[0].length),c[0]=h,c.splice(1,1)}if(1===((t=c[0])[0]<<16)+(t[1]<<8)+t[2]){if((i=(t[4]<<8)+t[5])&&i>e.size-6)return null;if(192&(r=t[7])&&((s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)>4294967295&&(s-=8589934592),64&r?((l=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>4294967295&&(l-=8589934592),s-l>54e5&&(o.b.warn(Math.round((s-l)/9e4)+"s delta between PTS and DTS, align them"),s=l)):l=s),d=(a=t[8])+9,e.size<=d)return null;e.size-=d,n=new Uint8Array(e.size);for(var f=0,g=c.length;fp){d-=p;continue}t=t.subarray(d),p-=d,d=0}n.set(t,u),u+=p}return i&&(i-=a+3),{data:n,pts:s,dts:l,len:i}}return null},t.pushAccesUnit=function(e,t){if(e.units.length&&e.frame){var r=t.samples,i=r.length;if(isNaN(e.pts)){if(!i)return void t.dropped++;var a=r[i-1];e.pts=a.pts,e.dts=a.dts}!this.config.forceKeyFrameOnDiscontinuity||!0===e.key||t.sps&&(i||this.contiguous)?(e.id=i,r.push(e)):t.dropped++}e.debug.length&&o.b.log(e.pts+"/"+e.dts+":"+e.debug)},t._parseAVCPES=function(e,t){var r,i,a,n=this,s=this._avcTrack,o=this._parseAVCNALu(e.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),c=function(e,t,r,i){return{key:e,pts:t,dts:r,units:[],debug:i}};e.data=null,l&&o.length&&!s.audFound&&(u(l,s),l=this.avcSample=c(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(d&&o.length>4){var h=new S(o).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:i=!0,(r=new S(n.discardEPB(t.data))).readUByte();for(var f=0,g=0,p=!1,v=0;!p&&r.bytesAvailable>1;){f=0;do{f+=v=r.readUByte()}while(255===v);g=0;do{g+=v=r.readUByte()}while(255===v);if(4===f&&0!==r.bytesAvailable){if(p=!0,181===r.readUByte())if(49===r.readUShort())if(1195456820===r.readUInt())if(3===r.readUByte()){var y=r.readUByte(),b=31&y,T=[y,r.readUByte()];for(a=0;a16){var E=[];for(a=0;a<16;a++)E.push(r.readUByte().toString(16)),3!==a&&5!==a&&7!==a&&9!==a||E.push("-");var _=g-16,A=new Uint8Array(_);for(a=0;a<_;a++)A[a]=r.readUByte();n._insertSampleInOrder(n._txtTrack.samples,{pts:e.pts,payloadType:f,uuid:E.join(""),userDataBytes:A,userData:Object(m.b)(A.buffer)})}}else if(g0){if(t.pts>=e[r-1].pts)e.push(t);else for(var i=r-1;i>=0;i--)if(t.pts=0)i={data:e.subarray(c,n-l-1),type:a},u.push(i);else{var h=this._getLastNalUnit();if(h&&(d&&n<=4-d&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-d)),(r=n-l-1)>0)){var f=new Uint8Array(h.data.byteLength+r);f.set(h.data,0),f.set(e.subarray(0,r),h.data.byteLength),h.data=f}}n=0&&l>=0&&(i={data:e.subarray(c,s),type:a,state:l},u.push(i)),0===u.length){var g=this._getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+e.byteLength);p.set(g.data,0),p.set(e,g.data.byteLength),g.data=p}}return o.naluState=l,u},t.discardEPB=function(e){for(var t,r,i=e.byteLength,a=[],n=1;n1&&(o.b.log("AAC: align PTS for overlapping frames by "+Math.round((E-m)/90)),m=E)}for(;n>24&255,t[1]=i>>16&255,t[2]=i>>8&255,t[3]=255&i,t.set(e,4),a=0,i=8;a>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var i=Math.floor(r/(k+1)),a=Math.floor(r%(k+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,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 e.box(e.types.mvhd,n)},e.sdtp=function(t){var r,i,a=t.samples||[],n=new Uint8Array(4+a.length);for(i=0;i>>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=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),l=t.width,d=t.height,u=t.pixelRatio[0],c=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,c>>24,c>>16&255,c>>8&255,255&c])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,i=t.duration*t.timescale,a=t.width,n=t.height,s=Math.floor(i/(k+1)),o=Math.floor(i%(k+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},e.traf=function(t,r){var i=e.sdtp(t),a=t.id,n=Math.floor(r/(k+1)),s=Math.floor(r%(k+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),e.box(e.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])),e.trun(t,i.length+16+20+8+16+8+8),i)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var i,a,n,s,o,l,d=t.samples||[],u=d.length,c=12+16*u,h=new Uint8Array(c);for(r+=8+c,h.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,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 e.box(e.types.trun,h)},e.initSegment=function(t){e.types||e.init();var r,i=e.moov(t);return(r=new Uint8Array(e.FTYP.byteLength+i.byteLength)).set(e.FTYP),r.set(i,e.FTYP.byteLength),r},e}();function C(e,t,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=e*t*r;return i?Math.round(a):a}function O(e,t){return void 0===t&&(t=!1),C(e,1e3,1/9e4,t)}function I(e,t){return void 0===t&&(t=1),C(e,9e4,1/t)}var P,x=I(10),M=I(.2),F=function(){function e(e,t,r,i){this.observer=e,this.config=t,this.typeSupported=r;var a=navigator.userAgent;this.isSafari=i&&i.indexOf("Apple")>-1&&a&&!a.match("CriOS"),this.ISGenerated=!1}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this._initPTS=this._initDTS=e},t.resetInitSegment=function(){this.ISGenerated=!1},t.remux=function(e,t,r,a,n,s,l){if(this.ISGenerated||this.generateIS(e,t,n),this.ISGenerated){var d=e.samples.length,u=t.samples.length,c=n,h=n;if(d&&u){var f=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale;c+=Math.max(0,f),h+=Math.max(0,-f)}if(d){e.timescale||(o.b.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,n));var g,p=this.remuxAudio(e,c,s,l);if(u)p&&(g=p.endPTS-p.startPTS),t.timescale||(o.b.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,n)),this.remuxVideo(t,h,s,g,l)}else if(u){var v=this.remuxVideo(t,h,s,0,l);v&&e.codec&&this.remuxEmptyAudio(e,c,s,v)}}r.samples.length&&this.remuxID3(r,n),a.samples.length&&this.remuxText(a,n),this.observer.trigger(i.a.FRAG_PARSED)},t.generateIS=function(e,t,r){var n,s,l=this.observer,d=e.samples,u=t.samples,c=this.typeSupported,h="audio/mp4",f={},g={tracks:f},p=void 0===this._initPTS;if(p&&(n=s=1/0),e.config&&d.length&&(e.timescale=e.samplerate,o.b.log("audio sampling rate : "+e.samplerate),e.isAAC||(c.mpeg?(h="audio/mpeg",e.codec=""):c.mp3&&(e.codec="mp3")),f.audio={container:h,codec:e.codec,initSegment:!e.isAAC&&c.mpeg?new Uint8Array:D.initSegment([e]),metadata:{channelCount:e.channelCount}},p&&(n=s=d[0].pts-e.inputTimeScale*r)),t.sps&&t.pps&&u.length){var v=t.inputTimeScale;t.timescale=v,f.video={container:"video/mp4",codec:t.codec,initSegment:D.initSegment([t]),metadata:{width:t.width,height:t.height}},p&&(n=Math.min(n,u[0].pts-v*r),s=Math.min(s,u[0].dts-v*r),this.observer.trigger(i.a.INIT_PTS_FOUND,{initPTS:n}))}Object.keys(f).length?(l.trigger(i.a.FRAG_PARSING_INIT_SEGMENT,g),this.ISGenerated=!0,p&&(this._initPTS=n,this._initDTS=s)):l.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,n,s){var l,d,u,c,h,f,g,p=8,v=e.timescale,m=e.samples,y=[],b=m.length,T=this._PTSNormalize,E=this._initPTS,S=this.nextAvcDts,_=this.isSafari;if(0!==b){_&&(r|=m.length&&S&&(s&&Math.abs(t-S/v)<.1||Math.abs(m[0].pts-S-E)1?o.b.log("AVC: "+O(L,!0)+" ms hole between fragments detected,filling it"):L<-1&&o.b.log("AVC: "+O(-L,!0)+" ms overlapping between fragments detected"),h=S,m[0].dts=h,c=Math.max(c-L,S),m[0].pts=c,o.b.log("Video: PTS/DTS adjusted: "+O(c,!0)+"/"+O(h,!0)+", delta: "+O(L,!0)+" ms")),w=m[m.length-1],g=Math.max(w.dts,0),f=Math.max(w.pts,0,g),_&&(l=Math.round((g-h)/(m.length-1)));for(var k=0,C=0,I=0;I0?K-1:K].dts;if($.stretchShortVideoTrack){var Z=$.maxBufferHole,ee=Math.floor(Z*v),te=(n?c+n*v:this.nextAudioPts)-j.pts;te>ee?((l=te-J)<0&&(l=J),o.b.log("It is approximately "+O(te,!1)+" ms to the next segment; using duration "+O(l,!1)+" ms for the last video frame.")):l=J}else l=J}Y=Math.round(j.pts-j.dts)}y.push({size:V,duration:l,cts:Y,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:j.key?2:1,isNonSync:j.key?0:1}})}this.nextAvcDts=g+l;var re=e.dropped;if(e.nbNalu=0,e.dropped=0,y.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var ie=y[0].flags;ie.dependsOn=2,ie.isNonSync=0}e.samples=y,u=D.moof(e.sequenceNumber++,h,e),e.samples=[];var ae={data1:u,data2:d,startPTS:c/v,endPTS:(f+l)/v,startDTS:h/v,endDTS:this.nextAvcDts/v,type:"video",hasAudio:!1,hasVideo:!0,nb:y.length,dropped:re};return this.observer.trigger(i.a.FRAG_PARSING_DATA,ae),ae}},t.remuxAudio=function(e,t,r,n){var s,l,d,u,c,h,f=e.inputTimeScale,g=e.timescale,p=f/g,v=(e.isAAC?1024:1152)*p,m=this._PTSNormalize,y=this._initPTS,b=!e.isAAC&&this.typeSupported.mpeg,T=b?0:8,E=e.samples,S=[],_=this.nextAudioPts;if(r|=E.length&&_&&(n&&Math.abs(t-_/f)<.1||Math.abs(E[0].pts-_-y)<20*v),E.forEach((function(e){e.pts=e.dts=m(e.pts-y,t*f)})),0!==(E=E.filter((function(e){return e.pts>=0}))).length){if(r||(_=n?t*f:E[0].pts),e.isAAC)for(var A=this.config.maxAudioFramesDrift,R=0,w=_;R=A*v&&k0&&H0&&((l=L.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l=K.subarray()),U+=V*l.length);else if(H<-12){o.b.log("drop overlapping AAC sample, expected/parsed/delta: "+O(_,!0)+" ms / "+O(j,!0)+" ms / "+O(-H,!0)+" ms"),U-=K.byteLength;continue}j=_}if(c=j,!(U>0))return;U+=T;try{d=new Uint8Array(U)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:U,reason:"fail allocating audio mdat "+U})}b||(new DataView(d.buffer).setUint32(0,U),d.set(D.types.mdat,4));for(var Y=0;Y=2&&(q=S[F-2].duration,s.duration=q),F){this.nextAudioPts=_=h+p*q,e.samples=S,u=b?new Uint8Array:D.moof(e.sequenceNumber++,c/p,e),e.samples=[];var z=c/f,X=_/f,Q={data1:u,data2:d,startPTS:z,endPTS:X,startDTS:z,endDTS:X,type:"audio",hasAudio:!0,hasVideo:!1,nb:F};return this.observer.trigger(i.a.FRAG_PARSING_DATA,Q),Q}return null}},t.remuxEmptyAudio=function(e,t,r,i){var a=e.inputTimeScale,n=a/(e.samplerate?e.samplerate:a),s=this.nextAudioPts,l=(void 0!==s?s:i.startDTS*a)+this._initDTS,d=i.endDTS*a+this._initDTS,u=1024*n,c=Math.ceil((d-l)/u),h=L.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(o.b.warn("remux empty Audio"),h){for(var f=[],g=0;g4294967296;)e+=r;return e},e}(),U=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,a,n,s,o,l){var d=this.observer,u="";e&&(u+="audio"),t&&(u+="video"),d.trigger(i.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),d.trigger(i.a.FRAG_PARSED)},e}(),N=Object(l.a)();try{P=N.performance.now.bind(N.performance)}catch(e){o.b.debug("Unable to use Performance API on this environment"),P=N.Date.now}var B=function(){function e(e,t,r,i){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=i}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,a,s,o,l,d,u,c,h,f){var g=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new n.a(this.observer,this.config));var v=P();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var n=P();g.observer.trigger(i.a.FRAG_DECRYPTED,{stats:{tstart:v,tdecrypt:n}}),g.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)}))}else this.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)},t.pushDecrypted=function(e,t,r,n,s,o,l,d,u,c,h,f){var g=this.demuxer;if(!g||(l||d)&&!this.probe(e)){for(var p=this.observer,v=this.typeSupported,m=this.config,T=[{demux:R,remux:F},{demux:b.a,remux:U},{demux:y,remux:F},{demux:w,remux:F}],E=0,S=T.length;E0},e.bin2str=function(e){return String.fromCharCode.apply(null,e)},e.readUint16=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<8|e[t+1];return r<0?65536+r:r},e.readUint32=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3];return r<0?4294967296+r:r},e.writeUint32=function(e,t,r){e.data&&(t+=e.start,e=e.data),e[t]=r>>24,e[t+1]=r>>16&255,e[t+2]=r>>8&255,e[t+3]=255&r},e.findBox=function(t,r){var i,a,n,s,o,l,d=[];if(t.data?(o=t.start,n=t.end,t=t.data):(o=0,n=t.byteLength),!r.length)return null;for(i=o;i1?i+a:n,e.bin2str(t.subarray(i+4,i+8))===r[0]&&(1===r.length?d.push({data:t,start:i+8,end:l}):(s=e.findBox({data:t,start:i+8,end:l},r.slice(1))).length&&(d=d.concat(s))),i=l;return d},e.parseSegmentIndex=function(t){var r,i=e.findBox(t,["moov"])[0],a=i?i.end:null,n=0,s=e.findBox(t,["sidx"]);if(!s||!s[0])return null;r=[];var o=(s=s[0]).data[0];n=0===o?8:16;var l=e.readUint32(s,n);n+=4;n+=0===o?8:16,n+=2;var d=s.end+0,u=e.readUint16(s,n);n+=2;for(var c=0;c>>31)return void console.warn("SIDX has hierarchical references (not supported)");var p=e.readUint32(s,h);h+=4,r.push({referenceSize:g,subsegmentDuration:p,info:{duration:p/l,start:d,end:d+g-1}}),d+=g,n=h+=4}return{earliestPresentationTime:0,timescale:l,version:o,referencesCount:u,references:r,moovEndOffset:a}},e.parseInitSegment=function(t){var r=[];return e.findBox(t,["moov","trak"]).forEach((function(t){var a=e.findBox(t,["tkhd"])[0];if(a){var n=a.data[a.start],s=0===n?12:20,o=e.readUint32(a,s),l=e.findBox(t,["mdia","mdhd"])[0];if(l){s=0===(n=l.data[l.start])?12:20;var d=e.readUint32(l,s),u=e.findBox(t,["mdia","hdlr"])[0];if(u){var c={soun:"audio",vide:"video"}[e.bin2str(u.data.subarray(u.start+8,u.start+12))];if(c){var h=e.findBox(t,["mdia","minf","stbl","stsd"]);if(h.length){h=h[0];var f=e.bin2str(h.data.subarray(h.start+12,h.start+16));i.b.log("MP4Demuxer:"+c+":"+f+" found")}r[o]={timescale:d,type:c},r[c]={timescale:d,id:o}}}}}})),r},e.getStartDTS=function(t,r){var i,a,n;return i=e.findBox(r,["moof","traf"]),a=[].concat.apply([],i.map((function(r){return e.findBox(r,["tfhd"]).map((function(i){var a,n;return a=e.readUint32(i,4),n=t[a].timescale||9e4,e.findBox(r,["tfdt"]).map((function(t){var r,i;return 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y=v.initSegment.url;this.load({url:y,isSidxRequest:!0,type:c,level:u,levelDetails:v,id:o,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer"})}else r.levelDetails=v,this._handlePlaylistLoaded(e,t,r,n)},s._handleSidxRequest=function(e,t){if("string"==typeof e.data)throw new Error("sidx request must be made with responseType of array buffer");var r=f.a.parseSegmentIndex(new Uint8Array(e.data));if(r){var i=r.references,a=t.levelDetails;i.forEach((function(e,t){var r=e.info;if(a){var i=a.fragments[t];0===i.byteRange.length&&i.setByteRange(String(1+r.end-r.start)+"@"+String(r.start))}})),a&&a.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}},s._handleManifestParsingError=function(e,t,r,i){this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.MANIFEST_PARSING_ERROR,fatal:!0,url:e.url,reason:r,networkDetails:i})},s._handleNetworkError=function(e,t,r,i){var n,s;void 0===r&&(r=!1),void 0===i&&(i=null),u.b.info("A network error occured while loading a "+e.type+"-type playlist");var l=this.getInternalLoader(e);switch(e.type){case a.MANIFEST:n=r?o.a.MANIFEST_LOAD_TIMEOUT:o.a.MANIFEST_LOAD_ERROR,s=!0;break;case a.LEVEL:n=r?o.a.LEVEL_LOAD_TIMEOUT:o.a.LEVEL_LOAD_ERROR,s=!1;break;case a.AUDIO_TRACK:n=r?o.a.AUDIO_TRACK_LOAD_TIMEOUT:o.a.AUDIO_TRACK_LOAD_ERROR,s=!1;break;default:s=!1}l&&(l.abort(),this.resetInternalLoader(e.type));var c={type:o.b.NETWORK_ERROR,details:n,fatal:s,url:e.url,loader:l,context:e,networkDetails:t};i&&(c.response=i),this.hls.trigger(d.a.ERROR,c)},s._handlePlaylistLoaded=function(e,t,r,n){var s=r.type,o=r.level,l=r.id,u=r.levelDetails;if(u&&u.targetduration)if(i.canHaveQualityLevels(r.type))this.hls.trigger(d.a.LEVEL_LOADED,{details:u,level:o||0,id:l||0,stats:t,networkDetails:n});else switch(s){case a.AUDIO_TRACK:this.hls.trigger(d.a.AUDIO_TRACK_LOADED,{details:u,id:l,stats:t,networkDetails:n});break;case a.SUBTITLE_TRACK:this.hls.trigger(d.a.SUBTITLE_TRACK_LOADED,{details:u,id:l,stats:t,networkDetails:n})}else this._handleManifestParsingError(e,r,"invalid target duration",n)},i}(h);var M=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FRAG_LOADING)||this).loaders={},r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){var t=this.loaders;for(var r in t){var i=t[r];i&&i.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onFragLoading=function(e){var t=e.frag,r=t.type,i=this.loaders,a=this.hls.config,n=a.fLoader,s=a.loader;t.loaded=0;var o,d,c,h=i[r];h&&(u.b.warn("abort previous fragment loader for type: "+r),h.abort()),h=i[r]=t.loader=a.fLoader?new n(a):new s(a),o={url:t.url,frag:t,responseType:"arraybuffer",progressData:!1};var f=t.byteRangeStartOffset,g=t.byteRangeEndOffset;Object(l.a)(f)&&Object(l.a)(g)&&(o.rangeStart=f,o.rangeEnd=g),d={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},h.load(o,d,c)},a.loadsuccess=function(e,t,r,i){void 0===i&&(i=null);var a=e.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(d.a.FRAG_LOADED,{payload:a,frag:n,stats:t,networkDetails:i})},a.loaderror=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_ERROR,fatal:!1,frag:t.frag,response:e,networkDetails:r})},a.loadtimeout=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t.frag,networkDetails:r})},a.loadprogress=function(e,t,r,i){void 0===i&&(i=null);var a=t.frag;a.loaded=e.loaded,this.hls.trigger(d.a.FRAG_LOAD_PROGRESS,{frag:a,stats:e,networkDetails:i})},i}(h);var F=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.KEY_LOADING)||this).loaders={},r.decryptkey=null,r.decrypturl=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){for(var t in this.loaders){var r=this.loaders[t];r&&r.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onKeyLoading=function(e){var t=e.frag,r=t.type,i=this.loaders[r];if(t.decryptdata){var a=t.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var n=this.hls.config;if(i&&(u.b.warn("abort previous key loader for type:"+r),i.abort()),!a)return void u.b.warn("key uri is falsy");t.loader=this.loaders[r]=new n.loader(n),this.decrypturl=a,this.decryptkey=null;var s={url:a,frag:t,responseType:"arraybuffer"},o={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:n.fragLoadingRetryDelay,maxRetryDelay:n.fragLoadingMaxRetryTimeout},l={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};t.loader.load(s,o,l)}else this.decryptkey&&(t.decryptdata.key=this.decryptkey,this.hls.trigger(d.a.KEY_LOADED,{frag:t}))}else u.b.warn("Missing decryption data on fragment in onKeyLoading")},a.loadsuccess=function(e,t,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(e.data),i.loader=void 0,delete this.loaders[i.type],this.hls.trigger(d.a.KEY_LOADED,{frag:i})):u.b.error("after key load, decryptdata unset")},a.loaderror=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},a.loadtimeout=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},i}(h);var U="NOT_LOADED",N="APPENDING",B="PARTIAL",G="OK",K=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.BUFFER_APPENDED,d.a.FRAG_BUFFERED,d.a.FRAG_LOADED)||this).bufferPadding=.2,r.fragments=Object.create(null),r.timeRanges=Object.create(null),r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.config=null,h.prototype.destroy.call(this),e.prototype.destroy.call(this)},a.getBufferedFrag=function(e,t){var r=this.fragments,i=Object.keys(r).filter((function(i){var a=r[i];if(a.body.type!==t)return!1;if(!a.buffered)return!1;var n=a.body;return n.startPTS<=e&&e<=n.endPTS}));if(0===i.length)return null;var a=i.pop();return r[a].body},a.detectEvictedFragments=function(e,t){var r,i,a=this;Object.keys(this.fragments).forEach((function(n){var s=a.fragments[n];if(!0===s.buffered){var o=s.range[e];if(o){r=o.time;for(var l=0;l=i&&t<=a){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(ei)n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))}),s=!0;else if(t<=i)break}return{time:n,partial:s}},a.getFragmentKey=function(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn},a.getPartialFragment=function(e){var t,r,i,a=this,n=null,s=0;return Object.keys(this.fragments).forEach((function(o){var l=a.fragments[o];a.isPartial(l)&&(r=l.body.startPTS-a.bufferPadding,i=l.body.endPTS+a.bufferPadding,e>=r&&e<=i&&(t=Math.min(e-r,i-e),s<=t&&(n=l.body,s=t)))})),n},a.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],i=U;return void 0!==r&&(i=r.buffered?!0===this.isPartial(r)?B:G:N),i},a.isPartial=function(e){return!0===e.buffered&&(void 0!==e.range.video&&!0===e.range.video.partial||void 0!==e.range.audio&&!0===e.range.audio.partial)},a.isTimeBuffered=function(e,t,r){for(var i,a,n=0;n=i&&t<=a)return!0;if(t<=i)return!1}return!1},a.onFragLoaded=function(e){var t=e.frag;Object(l.a)(t.sn)&&!t.bitrateTest&&(this.fragments[this.getFragmentKey(t)]={body:t,range:Object.create(null),buffered:!1})},a.onBufferAppended=function(e){var t=this;this.timeRanges=e.timeRanges,Object.keys(this.timeRanges).forEach((function(e){var r=t.timeRanges[e];t.detectEvictedFragments(e,r)}))},a.onFragBuffered=function(e){this.detectPartialFragments(e.frag)},a.hasFragment=function(e){var t=this.getFragmentKey(e);return void 0!==this.fragments[t]},a.removeFragment=function(e){var t=this.getFragmentKey(e);delete this.fragments[t]},a.removeAllFragments=function(){this.fragments=Object.create(null)},i}(h),j={search:function(e,t){for(var r=0,i=e.length-1,a=null,n=null;r<=i;){var s=t(n=e[a=(r+i)/2|0]);if(s>0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}},H=function(){function e(){}return e.isBuffered=function(e,t){try{if(e)for(var r=e.buffered,i=0;i=r.start(i)&&t<=r.end(i))return!0}catch(e){}return!1},e.bufferInfo=function(e,t,r){try{if(e){var i,a=e.buffered,n=[];for(i=0;is&&(i[n-1].end=e[a].end):i.push(e[a])}else i.push(e[a])}else i=e;for(var o,l=0,d=t,u=t,c=0;c=h&&t1?t-1:0),i=1;it?(i.duration=n-i.start,i.duration<0&&u.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):(a.duration=i.start-n,a.duration<0&&u.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!")):a.start=r>t?i.start+i.duration:Math.max(i.start-a.duration,0)}function te(e,t,r,i,a,n){var s=r;if(Object(l.a)(t.startPTS)){var o=Math.abs(t.startPTS-r);Object(l.a)(t.deltaPTS)?t.deltaPTS=Math.max(o,t.deltaPTS):t.deltaPTS=o,s=Math.max(r,t.startPTS),r=Math.min(r,t.startPTS),i=Math.max(i,t.endPTS),a=Math.min(a,t.startDTS),n=Math.max(n,t.endDTS)}var d=r-t.start;t.start=t.startPTS=r,t.maxStartPTS=s,t.endPTS=i,t.startDTS=a,t.endDTS=n,t.duration=i-r;var u,c,h,f=t.sn;if(!e||fe.endSN)return 0;for(u=f-e.startSN,(c=e.fragments)[u]=t,h=u;h>0;h--)ee(c,h,h-1);for(h=u;hi.length)return;for(var n=0;nr.startCC||e&&e.cc=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;ie&&r.start?-1:0}function ce(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}var he=function(){function e(e,t,r,i){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=i,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,a===e){if((o||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=H.bufferInfo(r,a,0),d=l.len>0,c=l.nextStart||0;if(d||c){if(n){if(l.len>2||(!c||c-a>2))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(c,l.start||0)-a;if(h>0&&h<=2)return void this._trySkipBufferHole(null)}var f=self.performance.now();if(null!==i){var g=f-i;!n&&g>=250&&this._reportStall(l.len);var p=H.bufferInfo(r,a,t.maxBufferHole);this._tryFixBufferStall(p,g)}else this.stalled=f}}}else if(this.moved=!0,null!==i){if(this.stallReported){var v=self.performance.now()-i;u.b.warn("playback not stuck anymore @"+a+", after "+Math.round(v)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(u.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,u.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,i=this.media,a=i.currentTime,n=0,s=0;s=n&&a1?i-1:0),n=1;n1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},a.doTick=function(){},i}(h);var pe="STOPPED",ve="STARTING",me="IDLE",ye="PAUSED",be="KEY_LOADING",Te="FRAG_LOADING",Ee="FRAG_LOADING_WAITING_RETRY",Se="WAITING_TRACK",_e="PARSING",Ae="PARSED",Re="BUFFER_FLUSHING",we="ENDED",Le="ERROR",ke="WAITING_INIT_PTS",De="WAITING_LEVEL",Ce=function(e){var t,r;function i(){return e.apply(this,arguments)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.doTick=function(){},a.startLoad=function(){},a.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e)),this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=pe},a._streamEnded=function(e,t){var r=this.fragCurrent,i=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var a=i.getState(r);return a===B||a===G}return!1},a.onMediaSeeking=function(){var e=this.config,t=this.media,r=this.mediaBuffer,i=this.state,a=t?t.currentTime:null,n=H.bufferInfo(r||t,a,this.config.maxBufferHole);if(Object(l.a)(a)&&u.b.log("media seeking to "+a.toFixed(3)),i===Te){var s=this.fragCurrent;if(0===n.len&&s){var o=e.maxFragLookUpTolerance,d=s.start-o,c=s.start+s.duration+o;ac?(s.loader&&(u.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),s.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=me):u.b.log("seeking outside of buffer but within currently loaded fragment range")}}else i===we&&(0===n.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=me);t&&(this.lastCurrentTime=a),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=a),this.tick()},a.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},a.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},a.onHandlerDestroyed=function(){this.state=pe,this.fragmentTracker=null},a.computeLivePosition=function(e,t){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*t.targetduration;return e+Math.max(0,t.totalduration-r)},i}(ge);function Oe(e,t){for(var r=0;r0&&-1===e&&(u.b.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=me,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this.forceStartLoad=!0,this.state=pe},h.stopLoad=function(){this.forceStartLoad=!1,e.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case Re:this.fragLoadError=0;break;case me:this._doTickIdle();break;case De:var e=this.levels[this.level];e&&e.details&&(this.state=me);break;case Ee:var t=window.performance.now(),r=this.retryDate;(!r||t>=r||this.media&&this.media.seeking)&&(u.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=me)}this._checkBuffer(),this._checkFragmentChanged()},h._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var i;i=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var a=e.nextLoadLevel,n=this.levels[a];if(n){var s,o=n.bitrate;s=o?Math.max(8*t.maxBufferSize/o,t.maxBufferLength):t.maxBufferLength,s=Math.min(s,t.maxMaxBufferLength);var l=H.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,t.maxBufferHole),c=l.len;if(!(c>=s)){u.b.trace("buffer length of "+c.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=a;var h=n.details;if(!h||h.live&&this.levelLastLoaded!==a)this.state=De;else{if(this._streamEnded(l,h)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger(d.a.BUFFER_EOS,f),void(this.state=we)}this._fetchPayloadOrEos(i,l,h)}}}}},h._fetchPayloadOrEos=function(e,t,r){var i=this.fragPrevious,a=this.level,n=r.fragments,s=n.length;if(0!==s){var o,l=n[0].start,d=n[s-1].start+n[s-1].duration,c=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(sh&&h>d.currentTime&&(u.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),d.currentTime=h),this.nextLoadPosition=h}if(e.PTSKnown&&t>i&&d&&d.readyState)return null;if(this.startFragRequested&&!e.PTSKnown){if(a)if(e.hasProgramDateTime)u.b.log("live playlist, switching playlist, load frag with same PDT: "+a.programDateTime),o=le(n,a.endProgramDateTime,l.maxFragLookUpTolerance);else{var f=a.sn+1;if(f>=e.startSN&&f<=e.endSN){var g=n[f-e.startSN];a.cc===g.cc&&(o=g,u.b.log("live playlist, switching playlist, load frag with next SN: "+o.sn))}o||(o=j.search(n,(function(e){return a.cc-e.cc})))&&u.b.log("live playlist, switching playlist, load frag with same CC: "+o.sn)}o||(o=n[Math.min(s-1,Math.round(s/2))],u.b.log("live playlist, switching playlist, unknown, load middle frag : "+o.sn))}return o},h._findFragment=function(e,t,r,i,a,n,s){var o,l=this.hls.config;an-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=i[r-1];if(o){var d=o.sn-s.startSN,c=t&&o.level===t.level,h=i[d-1],f=i[d+1];if(t&&o.sn===t.sn)if(c&&!o.backtracked)if(o.snl.maxBufferHole&&t.dropped&&d?(o=h,u.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=f,u.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(f&&f.backtracked?(u.b.warn("Already backtracked from fragment "+f.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+f.sn),o=f):(u.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:d&&(o=null)))}return o},h._loadKey=function(e){this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e){var t=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(l.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===U||t===B?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(d.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new J(this.hls,"main")),this.state=Te):t===N&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,n.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),H.isBuffered(r,t)?e=this.getBufferedFrag(t):H.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var i=e;if(i!==this.fragPlaying){this.hls.trigger(d.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(d.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},h.immediateLevelSwitch=function(){if(u.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,H.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r,i;if((r=this.getBufferedFrag(e.currentTime))&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var a=this.hls.nextLoadLevel,n=this.levels[a],s=this.fragLastKbps;t=s&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*s)+1:0}if((i=this.getBufferedFrag(e.currentTime+t))&&(i=this.followingBufferedFrag(i))){var o=this.fragCurrent;o&&o.loader&&o.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(i.maxStartPTS,Number.POSITIVE_INFINITY)}}},h.flushMainBuffer=function(e,t){this.state=Re;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(d.a.BUFFER_FLUSHING,r)},h.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("seeked",this.onvseeked),t.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new he(r,t,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var t=this.levels;t&&t.forEach((function(e){e.details&&e.details.fragments.forEach((function(e){e.backtracked=void 0}))})),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.fragmentTracker.removeAllFragments(),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},h.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;Object(l.a)(t)&&u.b.log("media seeked to "+t.toFixed(3)),this.tick()},h.onManifestLoading=function(){u.b.log("trigger BUFFER_RESET"),this.hls.trigger(d.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},h.onManifestParsed=function(e){var t,r=!1,i=!1;e.levels.forEach((function(e){(t=e.audioCodec)&&(-1!==t.indexOf("mp4a.40.2")&&(r=!0),-1!==t.indexOf("mp4a.40.5")&&(i=!0))})),this.audioCodecSwitch=r&&i,this.audioCodecSwitch&&u.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio=e.altAudio,this.levels=e.levels,this.startFragRequested=!1;var a=this.config;(a.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(a.startPosition)},h.onLevelLoaded=function(e){var t=e.details,r=e.level,i=this.levels[this.levelLastLoaded],a=this.levels[r],n=t.totalduration,s=0;if(u.b.log("level "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live){var o=a.details;o&&t.fragments.length>0?(re(o,t),s=t.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(s,o),t.PTSKnown&&Object(l.a)(s)?u.b.log("live playlist sliding:"+s.toFixed(3)):(u.b.log("live playlist - outdated PTS, unknown sliding"),oe(this.fragPrevious,i,t))):(u.b.log("live playlist - first load, unknown sliding"),t.PTSKnown=!1,oe(this.fragPrevious,i,t))}else t.PTSKnown=!1;if(a.details=t,this.levelLastLoaded=r,this.hls.trigger(d.a.LEVEL_UPDATED,{details:t,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var c=t.startTimeOffset;Object(l.a)(c)?(c<0&&(u.b.log("negative start time offset "+c+", count from end of last fragment"),c=s+n+c),u.b.log("start time offset found in playlist, adjust startPosition to "+c),this.startPosition=c):t.live?(this.startPosition=this.computeLivePosition(s,t),u.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===De&&(this.state=me),this.tick()},h.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},h.onFragLoaded=function(e){var t=this.fragCurrent,r=this.hls,i=this.levels,a=this.media,n=e.frag;if(this.state===Te&&t&&"main"===n.type&&n.level===t.level&&n.sn===t.sn){var s=e.stats,o=i[t.level],l=o.details;if(this.bitrateTest=!1,this.stats=s,u.b.log("Loaded "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level),n.bitrateTest&&r.nextLoadLevel)this.state=me,this.startFragRequested=!1,s.tparsed=s.tbuffered=window.performance.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else if("initSegment"===n.sn)this.state=me,s.tparsed=s.tbuffered=window.performance.now(),l.initSegment.data=e.payload,r.trigger(d.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else{u.b.log("Parsing "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level+", cc "+t.cc),this.state=_e,this.pendingBuffering=!0,this.appended=!1,n.bitrateTest&&(n.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:n}));var c=!(a&&a.seeking)&&(l.PTSKnown||!l.live),h=l.initSegment?l.initSegment.data:[],f=this._getAudioCodec(o);(this.demuxer=this.demuxer||new J(this.hls,"main")).push(e.payload,h,f,o.videoCodec,t,l.totalduration,c)}}this.fragLoadError=0},h.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a,n=e.tracks;if(n.audio&&this.altAudio&&delete n.audio,a=n.audio){var s=this.levels[this.level].audioCodec,o=navigator.userAgent.toLowerCase();s&&this.audioCodecSwap&&(u.b.log("swapping playlist audio codec"),s=-1!==s.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==a.metadata.channelCount&&-1===o.indexOf("firefox")&&(s="mp4a.40.5"),-1!==o.indexOf("android")&&"audio/mpeg"!==a.container&&(s="mp4a.40.2",u.b.log("Android: force audio codec to "+s)),a.levelCodec=s,a.id=e.id}for(i in(a=n.video)&&(a.levelCodec=this.levels[this.level].videoCodec,a.id=e.id),this.hls.trigger(d.a.BUFFER_CODECS,n),n){a=n[i],u.b.log("main track:"+i+",container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var l=a.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,{type:i,data:l,parent:"main",content:"initSegment"}))}this.tick()}},h.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"main"===e.id&&i.sn===r.sn&&i.level===r.level&&("audio"!==e.type||!this.altAudio)&&this.state===_e){var a=this.levels[this.level],n=r;if(Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),!0===e.hasAudio&&n.addElementaryStream(p.AUDIO),!0===e.hasVideo&&n.addElementaryStream(p.VIDEO),u.b.log("Parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb+",dropped:"+(e.dropped||0)),"video"===e.type)if(n.dropped=e.dropped,n.dropped)if(n.backtracked)u.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=a.details;if(!s||n.sn!==s.startSN)return u.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=e.startPTS,this.state=me,this.fragPrevious=n,void this.tick();u.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var o=te(a.details,n,e.startPTS,e.endPTS,e.startDTS,e.endDTS),c=this.hls;c.trigger(d.a.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:o,type:e.type,start:e.startPTS,end:e.endPTS}),[e.data1,e.data2].forEach((function(r){r&&r.length&&t.state===_e&&(t.appended=!0,t.pendingBuffering=!0,c.trigger(d.a.BUFFER_APPENDING,{type:e.type,data:r,parent:"main",content:"data"}))})),this.tick()}},h.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=window.performance.now(),this.state=Ae,this._checkAppendedParsed())},h.onAudioTrackSwitching=function(e){var t=!!e.url,r=e.id;if(!t){if(this.mediaBuffer!==this.media){u.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var i=this.fragCurrent;i.loader&&(u.b.log("switching to main audio track, cancel main fragment load"),i.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=me}var a=this.hls;a.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},h.onAudioTrackSwitched=function(e){var t=e.id,r=!!this.hls.audioTracks[t].url;if(r){var i=this.videoBuffer;i&&this.mediaBuffer!==i&&(u.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=i)}this.altAudio=r,this.tick()},h.onBufferCreated=function(e){var t,r,i=e.tracks,a=!1;for(var n in i){var s=i[n];"main"===s.id?(r=n,t=s,"video"===n&&(this.videoBuffer=i[n].buffer)):a=!0}a&&t?(u.b.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},h.onBufferAppended=function(e){if("main"===e.parent){var t=this.state;t!==_e&&t!==Ae||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},h._checkAppendedParsed=function(){if(!(this.state!==Ae||this.appended&&this.pendingBuffering)){var e=this.fragCurrent;if(e){var t=this.mediaBuffer?this.mediaBuffer:this.media;u.b.log("main buffered : "+ne.toString(t.buffered)),this.fragPrevious=e;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(d.a.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=me}this.tick()}},h.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r=!!this.media&&H.isBuffered(this.media,this.media.currentTime)&&H.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:if(!e.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var i=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);u.b.warn("mediaController: frag loading failed, retry in "+i+" ms"),this.retryDate=window.performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Ee}else u.b.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=Le;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:this.state!==Le&&(e.fatal?(this.state=Le,u.b.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==De||(this.state=me));break;case o.a.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==_e&&this.state!==Ae||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=me):(u.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},h._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,u.b.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},h._checkBuffer=function(){var e=this.media;if(e&&0!==e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,t)}},h.onFragLoadEmergencyAborted=function(){this.state=me,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},h.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(p.VIDEO,e.buffered),this.state=me,this.fragPrevious=null},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&r>=0&&(u.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},h._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(u.b.log("swapping playlist audio codec"),t&&(t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},a=i,(s=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("main stream-controller: "+t+"->"+e),this.hls.trigger(d.a.STREAM_STATE_TRANSITION,{previousState:t,nextState:e})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getBufferedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;return e?this.followingBufferedFrag(this.getBufferedFrag(e.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(e){this._liveSyncPosition=e}}])&&Oe(a.prototype,s),c&&Oe(a,c),i}(Ce);function Pe(e,t){for(var r=0;r0){t=r[0].bitrate,r.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=r;for(var c=0;c=0&&e1&&c.loadError0){var t=this.currentLevelIndex,r=e.urlId,i=e.url[r];u.b.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(d.a.LEVEL_LOADING,{url:i,level:t,id:r})}}},a=i,(n=[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;t&&(e=Math.min(e,t.length-1),this.currentLevelIndex===e&&t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&Pe(a.prototype,n),s&&Pe(a,s),i}(h),Fe=r(4);function Ue(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function Ne(e){if(e&&e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}var Be=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_METADATA,d.a.LIVE_BACK_BUFFER_REACHED)||this).id3Track=void 0,r.media=void 0,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onMediaAttached=function(e){this.media=e.media,this.media},a.onMediaDetaching=function(){Ne(this.id3Track),this.id3Track=void 0,this.media=void 0},a.getID3Track=function(e){for(var t=0;to&&(u.b.warn("detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)"),o=s+.25);for(var l=0;le[e.length-1].endTime)return e[e.length-1];for(var r=0,i=e.length-1;r<=i;){var a=Math.floor((i+r)/2);if(te[a].endTime))return e[a];r=a+1}}return e[r].endTime-t=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function je(e,t){for(var r=0;r500*r.duration/o){var l=e.levels,c=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=l[r.level],f=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,g=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*f/8)),p=t.currentTime,v=(g-n.loaded)/c,m=(H.bufferInfo(t,p,e.config.maxBufferHole).end-p)/o;if(m<2*r.duration/o&&v>m){var y;for(y=r.level-1;y>a;y--){var b=l[y].realBitrate?Math.max(l[y].realBitrate,l[y].bitrate):l[y].bitrate;if(r.duration*b/(6.4*c)=i;d--){var c=l[d];if(c){var h=c.details,f=h?h.totalduration/h.fragments.length:t,g=!!h&&h.live,p=void 0;p=d<=e?s*r:o*r;var v=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,m=v*f/p;if(u.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(p)+"/"+v+"/"+f+"/"+n+"/"+m),p>v&&(!m||g&&!this.bitrateTestDelay||m=0)return f;u.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var g=o?Math.min(o,i.maxStarvationDelay):i.maxStarvationDelay,p=i.abrBandWidthFactor,v=i.abrBandWidthUpFactor;if(0===h){var m=this.bitrateTestDelay;m&&(g=(o?Math.min(o,i.maxLoadingDelay):i.maxLoadingDelay)-m,u.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),p=v=1)}return f=this._findBestLevel(s,o,c,a,t,h+g,p,v,r),Math.max(f,0)}}])&&je(a.prototype,n),s&&je(a,s),i}(h);var Ye=q(),We=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.MANIFEST_PARSED,d.a.BUFFER_RESET,d.a.BUFFER_APPENDING,d.a.BUFFER_CODECS,d.a.BUFFER_EOS,d.a.BUFFER_FLUSHING,d.a.LEVEL_PTS_UPDATED,d.a.LEVEL_UPDATED)||this)._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r._needsFlush=!1,r._needsEos=!1,r.config=void 0,r.audioTimestampOffset=void 0,r.bufferCodecEventsExpected=0,r._bufferCodecEventsTotal=0,r.media=null,r.mediaSource=null,r.segments=[],r.parent=void 0,r.appending=!1,r.appended=0,r.appendError=0,r.flushBufferCounter=0,r.tracks={},r.pendingTracks={},r.sourceBuffer={},r.flushRange=[],r._onMediaSourceOpen=function(){u.b.log("media source opened"),r.hls.trigger(d.a.MEDIA_ATTACHED,{media:r.media});var e=r.mediaSource;e&&e.removeEventListener("sourceopen",r._onMediaSourceOpen),r.checkPendingTracks()},r._onMediaSourceClose=function(){u.b.log("media source closed")},r._onMediaSourceEnded=function(){u.b.log("media source ended")},r._onSBUpdateEnd=function(){if(r.audioTimestampOffset&&r.sourceBuffer.audio){var e=r.sourceBuffer.audio;u.b.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+r.audioTimestampOffset),e.timestampOffset=r.audioTimestampOffset,delete r.audioTimestampOffset}r._needsFlush&&r.doFlush(),r._needsEos&&r.checkEos(),r.appending=!1;var t=r.parent,i=r.segments.reduce((function(e,r){return r.parent===t?e+1:e}),0),a={},n=r.sourceBuffer;for(var s in n){var o=n[s];if(!o)throw Error("handling source buffer update end error: source buffer for "+s+" uninitilized and unable to update buffered TimeRanges.");a[s]=o.buffered}r.hls.trigger(d.a.BUFFER_APPENDED,{parent:t,pending:i,timeRanges:a}),r._needsFlush||r.doAppending(),r.updateMediaElementDuration(),0===i&&r.flushLiveBackBuffer()},r._onSBUpdateError=function(e){u.b.error("sourceBuffer error:",e),r.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_APPENDING_ERROR,fatal:!1})},r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(!i)throw Error("Level PTS Updated and source buffer for audio uninitalized");if(Math.abs(i.timestampOffset-e.start)>.1){var a=i.updating;try{i.abort()}catch(e){u.b.warn("can not abort audio buffer: "+e)}a?this.audioTimestampOffset=e.start:(u.b.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+e.start),i.timestampOffset=e.start)}}},a.onManifestParsed=function(e){this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=e.altAudio?2:1,u.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},a.onMediaAttaching=function(e){var t=this.media=e.media;if(t&&Ye){var r=this.mediaSource=new Ye;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},a.onMediaDetaching=function(){u.b.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){u.b.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),this.media&&(this._objectUrl&&window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):u.b.warn("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.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.hls.trigger(d.a.MEDIA_DETACHED)},a.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.pendingTracks,r=Object.keys(t).length;(r&&!e||2===r)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},a.onBufferReset=function(){var e=this.sourceBuffer;for(var t in e){var r=e[t];try{r&&(this.mediaSource&&this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this._onSBUpdateEnd),r.removeEventListener("error",this._onSBUpdateError))}catch(e){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},a.onBufferCodecs=function(e){var t=this;Object.keys(this.sourceBuffer).length||(Object.keys(e).forEach((function(r){t.pendingTracks[r]=e[r]})),this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},a.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");for(var i in e)if(!t[i]){var a=e[i];if(!a)throw Error("source buffer exists for track "+i+", however track does not");var n=a.levelCodec||a.codec,s=a.container+";codecs="+n;u.b.log("creating sourceBuffer("+s+")");try{var l=t[i]=r.addSourceBuffer(s);l.addEventListener("updateend",this._onSBUpdateEnd),l.addEventListener("error",this._onSBUpdateError),this.tracks[i]={buffer:l,codec:n,id:a.id,container:a.container,levelCodec:a.levelCodec}}catch(e){u.b.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:s})}}this.hls.trigger(d.a.BUFFER_CREATED,{tracks:this.tracks})},a.onBufferAppending=function(e){this._needsFlush||(this.segments?this.segments.push(e):this.segments=[e],this.doAppending())},a.onBufferEos=function(e){for(var t in this.sourceBuffer)if(!e.type||e.type===t){var r=this.sourceBuffer[t];r&&!r.ended&&(r.ended=!0,u.b.log(t+" sourceBuffer now EOS"))}this.checkEos()},a.checkEos=function(){var e=this.sourceBuffer,t=this.mediaSource;if(t&&"open"===t.readyState){for(var r in e){var i=e[r];if(i){if(!i.ended)return;if(i.updating)return void(this._needsEos=!0)}}u.b.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){u.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}else this._needsEos=!1},a.onBufferFlushing=function(e){e.type?this.flushRange.push({start:e.startOffset,end:e.endOffset,type:e.type}):(this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"video"}),this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"audio"})),this.flushBufferCounter=0,this.doFlush()},a.flushLiveBackBuffer=function(){if(this._live){var e=this.config.liveBackBufferLength;if(isFinite(e)&&!(e<0))if(this.media)for(var t=this.media.currentTime,r=this.sourceBuffer,i=Object.keys(r),a=t-Math.max(e,this._levelTargetDuration),n=i.length-1;n>=0;n--){var s=i[n],o=r[s];if(o){var l=o.buffered;l.length>0&&a>l.start(0)&&this.removeBufferRange(s,o,0,a)&&this.hls.trigger(d.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:a})}}else u.b.error("flushLiveBackBuffer called without attaching media")}},a.onLevelUpdated=function(e){var t=e.details;t.fragments.length>0&&(this._levelDuration=t.totalduration+t.fragments[0].start,this._levelTargetDuration=t.averagetargetduration||t.targetduration||10,this._live=t.live,this.updateMediaElementDuration())},a.updateMediaElementDuration=function(){var e,t=this.config;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer){var i=this.sourceBuffer[r];if(i&&!0===i.updating)return}e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(u.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(l.a)(e))&&(u.b.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},a.doFlush=function(){for(;this.flushRange.length;){var e=this.flushRange[0];if(!this.flushBuffer(e.start,e.end,e.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var t=0,r=this.sourceBuffer;try{for(var i in r){var a=r[i];a&&(t+=a.buffered.length)}}catch(e){u.b.error("error while accessing sourceBuffer.buffered")}this.appended=t,this.hls.trigger(d.a.BUFFER_FLUSHED)}},a.doAppending=function(){var e=this.config,t=this.hls,r=this.segments,i=this.sourceBuffer;if(Object.keys(i).length){if(!this.media||this.media.error)return this.segments=[],void u.b.error("trying to append although a media error occured, flush segment and abort");if(!this.appending){var a=r.shift();if(a)try{var n=i[a.type];if(!n)return void this._onSBUpdateEnd();if(n.updating)return void r.unshift(a);n.ended=!1,this.parent=a.parent,n.appendBuffer(a.data),this.appendError=0,this.appended++,this.appending=!0}catch(i){u.b.error("error while trying to append buffer:"+i.message),r.unshift(a);var s={type:o.b.MEDIA_ERROR,parent:a.parent,details:"",fatal:!1};22===i.code?(this.segments=[],s.details=o.a.BUFFER_FULL_ERROR):(this.appendError++,s.details=o.a.BUFFER_APPEND_ERROR,this.appendError>e.appendErrorMaxRetry&&(u.b.log("fail "+e.appendErrorMaxRetry+" times to append segment in sourceBuffer"),this.segments=[],s.fatal=!0)),t.trigger(d.a.ERROR,s)}}}},a.flushBuffer=function(e,t,r){var i=this.sourceBuffer;if(!Object.keys(i).length)return!0;var a="null";if(this.media&&(a=this.media.currentTime.toFixed(3)),u.b.log("flushBuffer,pos/start/end: "+a+"/"+e+"/"+t),this.flushBufferCounter>=this.appended)return u.b.warn("abort flushing too many retries"),!0;var n=i[r];if(n){if(n.ended=!1,n.updating)return u.b.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r,n,e,t))return this.flushBufferCounter++,!1}return u.b.log("buffer flushed"),!0},a.removeBufferRange=function(e,t,r,i){try{for(var a=0;a.5){var d="null";return this.media&&(d=this.media.currentTime.toString()),u.b.log("sb remove "+e+" ["+o+","+l+"], of ["+n+","+s+"], pos:"+d),t.remove(o,l),!0}}}catch(e){u.b.warn("removeBufferRange failed",e)}return!1},i}(h);function qe(e,t){for(var r=0;rthis.autoLevelCapping&&t.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},o.getMaxLevel=function(e){var t=this;if(!this.levels)return-1;var r=this.levels.filter((function(r,a){return i.isLevelAllowed(a,t.restrictedLevels)&&a<=e}));return i.getMaxLevelByMediaSize(r,this.mediaWidth,this.mediaHeight)},o.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},o.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer),this.timer=null)},i.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},i.getMaxLevelByMediaSize=function(e,t,r){if(!e||e&&!e.length)return-1;for(var i,a,n=e.length-1,s=0;s=t||o.height>=r)&&(i=o,!(a=e[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},a=i,s=[{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}}],(n=[{key:"mediaWidth",get:function(){var e,t=this.media;return t&&(e=t.width||t.clientWidth||t.offsetWidth,e*=i.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e,t=this.media;return t&&(e=t.height||t.clientHeight||t.offsetHeight,e*=i.contentScaleFactor),e}}])&&qe(a.prototype,n),s&&qe(a,s),i}(h);var Xe=window.performance,Qe=function(e){var t,r;function i(t){return e.call(this,t,d.a.MEDIA_ATTACHING)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},a.onMediaAttaching=function(e){var t=this.hls.config;t.capLevelOnFPSDrop&&("function"==typeof(this.video=e.media instanceof window.HTMLVideoElement?e.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),t.fpsDroppedMonitoringPeriod))},a.checkFPS=function(e,t,r){var i=Xe.now();if(t){if(this.lastTime){var a=i-this.lastTime,n=r-this.lastDroppedFrames,s=t-this.lastDecodedFrames,o=1e3*n/a,l=this.hls;if(l.trigger(d.a.FPS_DROP,{currentDropped:n,currentDecoded:s,totalDroppedFrames:r}),o>0&&n>l.config.fpsDroppedMonitoringThreshold*s){var c=l.currentLevel;u.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+c),c>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=c)&&(c-=1,l.trigger(d.a.FPS_DROP_LEVEL_CAPPING,{level:c,droppedLevel:l.currentLevel}),l.autoLevelCapping=c,l.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},a.checkFPSInterval=function(){var e=this.video;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},i}(h),$e=window,Je=$e.performance,Ze=$e.XMLHttpRequest,et=function(){function e(e){e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}var t=e.prototype;return t.destroy=function(){this.abort(),this.loader=null},t.abort=function(){var e=this.loader;e&&4!==e.readyState&&(this.stats.aborted=!0,e.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.load=function(e,t,r){this.context=e,this.config=t,this.callbacks=r,this.stats={trequest:Je.now(),retry:0},this.retryDelay=t.retryDelay,this.loadInternal()},t.loadInternal=function(){var e,t=this.context;e=this.loader=new Ze;var r=this.stats;r.tfirst=0,r.loaded=0;var i=this.xhrSetup;try{if(i)try{i(e,t.url)}catch(r){e.open("GET",t.url,!0),i(e,t.url)}e.readyState||e.open("GET",t.url,!0)}catch(r){return void this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,i=this.stats,a=this.context,n=this.config;if(!i.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===i.tfirst&&(i.tfirst=Math.max(Je.now(),i.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;i.tload=Math.max(i.tfirst,Je.now()),l="arraybuffer"===a.responseType?(o=t.response).byteLength:(o=t.responseText).length,i.loaded=i.total=l;var d={url:t.responseURL,data:o};this.callbacks.onSuccess(d,i,a,t)}else i.retry>=n.maxRetry||s>=400&&s<499?(u.b.error(s+" while loading "+a.url),this.callbacks.onError({code:s,text:t.statusText},a,t)):(u.b.warn(s+" while loading "+a.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),i.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){u.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var i=this.callbacks.onProgress;i&&i(r,this.context,null,t)},e}();function tt(e,t){for(var r=0;r=this.tracks.length)u.b.warn("Invalid audio track id:",e.id);else{if(u.b.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()){var t=1e3*e.details.targetduration;this.setInterval(t)}!e.details.live&&this.hasInterval()&&this.clearInterval()}},l.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},l.onLevelLoaded=function(e){this._selectAudioGroup(e.level)},l.onError=function(e){e.type===o.b.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===o.a.AUDIO_TRACK_LOAD_ERROR&&(u.b.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},l._setAudioTrack=function(e){if(this._trackId===e&&this.tracks[this._trackId].details)u.b.debug("Same id as current audio-track passed, and track details available -> no-op");else if(e<0||e>=this.tracks.length)u.b.warn("Invalid id passed to audio-track controller");else{var t=this.tracks[e];u.b.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e;var r=t.url,i=t.type,a=t.id;this.hls.trigger(d.a.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t)}},l.doTick=function(){this._updateTrack(this._trackId)},l._selectAudioGroup=function(e){var t=this.hls.levels[e];if(t&&t.audioGroupIds){var r=t.audioGroupIds[t.urlId];this.audioGroupId!==r&&(this.audioGroupId=r,this._selectInitialAudioTrack())}},l._selectInitialAudioTrack=function(){var e=this,t=this.tracks;if(t.length){var r=this.tracks[this._trackId],i=null;if(r&&(i=r.name),this._selectDefaultTrack){var a=t.filter((function(e){return e.default}));a.length?t=a:u.b.warn("No default audio tracks defined")}var n=!1,s=function(){t.forEach((function(t){n||e.audioGroupId&&t.groupId!==e.audioGroupId||i&&i!==t.name||(e._setAudioTrack(t.id),n=!0)}))};s(),n||(i=null,s()),n||(u.b.error("No track found for running audio group-ID: "+this.audioGroupId),this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))}},l._needsTrackLoading=function(e){var t=e.details,r=e.url;return!(t&&!t.live)&&!!r},l._loadTrackDetailsIfNeeded=function(e){if(this._needsTrackLoading(e)){var t=e.url,r=e.id;u.b.log("loading audio-track playlist for id: "+r),this.hls.trigger(d.a.AUDIO_TRACK_LOADING,{url:t,id:r})}},l._updateTrack=function(e){if(!(e<0||e>=this.tracks.length)){this.clearInterval(),this._trackId=e,u.b.log("trying to update audio-track "+e);var t=this.tracks[e];this._loadTrackDetailsIfNeeded(t)}},l._handleLoadError=function(){this.trackIdBlacklist[this._trackId]=!0;var e=this._trackId,t=this.tracks[e],r=t.name,i=t.language,a=t.groupId;u.b.warn("Loading failed on audio track id: "+e+", group-id: "+a+', name/language: "'+r+'" / "'+i+'"');for(var n=e,s=0;s0&&-1===e?(u.b.log("audio:override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=me):(this.lastCurrentTime=this.startPosition?this.startPosition:e,this.state=ve),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=e,this.state=pe},c.doTick=function(){var e,t,r,i=this.hls,a=i.config;switch(this.state){case Le:case ye:case Re:break;case ve:this.state=Se,this.loadedmetadata=!1;break;case me:var n=this.tracks;if(!n)break;if(!this.media&&(this.startFragRequested||!a.startFragPrefetch))break;if(this.loadedmetadata)e=this.media.currentTime;else if(void 0===(e=this.nextLoadPosition))break;var s=this.mediaBuffer?this.mediaBuffer:this.media,o=this.videoBuffer?this.videoBuffer:this.media,c=H.bufferInfo(s,e,a.maxBufferHole),h=H.bufferInfo(o,e,a.maxBufferHole),f=c.len,g=c.end,p=this.fragPrevious,v=Math.min(a.maxBufferLength,a.maxMaxBufferLength),m=Math.max(v,h.len),y=this.audioSwitch,b=this.trackId;if((f_||c.nextStart))return;u.b.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=_+.05}if(r.initSegment&&!r.initSegment.data)T=r.initSegment;else if(g<=_){if(T=E[0],null!==this.videoTrackCC&&T.cc!==this.videoTrackCC&&(T=function(e,t){return j.search(e,(function(e){return e.cct?-1:0}))}(E,this.videoTrackCC)),r.live&&T.loadIdx&&T.loadIdx===this.fragLoadIdx){var R=c.nextStart?c.nextStart:_;return u.b.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(R+.05)),void(this.media.currentTime=R+.05)}}else{var w,L=a.maxFragLookUpTolerance,k=p?E[p.sn-E[0].sn+1]:void 0,D=function(e){var t=Math.min(L,e.duration);return e.start+e.duration-t<=g?1:e.start-t>g&&e.start?-1:0};gA-L&&(L=0),w=k&&!D(k)?k:j.search(E,D)):w=E[S-1],w&&(T=w,_=w.start,p&&T.level===p.level&&T.sn===p.sn&&(T.sn=O||I)&&(u.b.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=me);break;case ke:var P=this.videoTrackCC;if(void 0===this.initPTS[P])break;var x=this.waitingFragment;if(x){var M=x.frag.cc;P!==M?(t=this.tracks[this.trackId]).details&&t.details.live&&(u.b.warn("Waiting fragment CC ("+M+") does not match video track CC ("+P+")"),this.waitingFragment=null,this.state=me):(this.state=Te,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null)}else this.state=me}},c.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("ended",this.onvended);var r=this.config;this.tracks&&r.autoStartLoad&&this.startLoad(r.startPosition)},c.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},c.onAudioTracksUpdated=function(e){u.b.log("audio tracks updated"),this.tracks=e.audioTracks},c.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.state=ye,this.waitingFragment=null,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=me),this.tick()},c.onAudioTrackLoaded=function(e){var t=e.details,r=e.id,i=this.tracks[r],a=t.totalduration,n=0;if(u.b.log("track "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+a),t.live){var s=i.details;s&&t.fragments.length>0?(re(s,t),n=t.fragments[0].start,t.PTSKnown?u.b.log("live audio playlist sliding:"+n.toFixed(3)):u.b.log("live audio playlist - outdated PTS, unknown sliding")):(t.PTSKnown=!1,u.b.log("live audio playlist - first load, unknown sliding"))}else t.PTSKnown=!1;if(i.details=t,!this.startFragRequested){if(-1===this.startPosition){var o=t.startTimeOffset;Object(l.a)(o)?(u.b.log("start time offset found in playlist, adjust startPosition to "+o),this.startPosition=o):t.live?(this.startPosition=this.computeLivePosition(n,t),u.b.log("compute startPosition for audio-track to "+this.startPosition)):this.startPosition=0}this.nextLoadPosition=this.startPosition}this.state===Se&&(this.state=me),this.tick()},c.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},c.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag;if(this.state===Te&&t&&"audio"===r.type&&r.level===t.level&&r.sn===t.sn){var i=this.tracks[this.trackId],a=i.details,n=a.totalduration,s=t.level,o=t.sn,l=t.cc,c=this.config.defaultAudioCodec||i.audioCodec||"mp4a.40.2",h=this.stats=e.stats;if("initSegment"===o)this.state=me,h.tparsed=h.tbuffered=at.now(),a.initSegment.data=e.payload,this.hls.trigger(d.a.FRAG_BUFFERED,{stats:h,frag:t,id:"audio"}),this.tick();else{this.state=_e,this.appended=!1,this.demuxer||(this.demuxer=new J(this.hls,"audio"));var f=this.initPTS[l],g=a.initSegment?a.initSegment.data:[];if(a.initSegment||void 0!==f){this.pendingBuffering=!0,u.b.log("Demuxing "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s);this.demuxer.push(e.payload,g,c,null,t,n,!1,f)}else u.b.log("unknown video PTS for continuity counter "+l+", waiting for video PTS before demuxing audio frag "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.waitingFragment=e,this.state=ke}}this.fragLoadError=0},c.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a=e.tracks;if(a.video&&delete a.video,i=a.audio){i.levelCodec=i.codec,i.id=e.id,this.hls.trigger(d.a.BUFFER_CODECS,a),u.b.log("audio track:audio,container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var n=i.initSegment;if(n){var s={type:"audio",data:n,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[s]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,s))}this.tick()}}},c.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"audio"===e.id&&"audio"===e.type&&i.sn===r.sn&&i.level===r.level&&this.state===_e){var a=this.trackId,n=this.tracks[a],s=this.hls;Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),r.addElementaryStream(p.AUDIO),u.b.log("parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb),te(n.details,r,e.startPTS,e.endPTS);var c=this.audioSwitch,h=this.media,f=!1;if(c)if(h&&h.readyState){var g=h.currentTime;u.b.log("switching audio track : currentTime:"+g),g>=e.startPTS&&(u.b.log("switching audio track : flushing all audio"),this.state=Re,s.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),f=!0,this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a}))}else this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a});var v=this.pendingData;if(!v)return u.b.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void s.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([e.data1,e.data2].forEach((function(t){t&&t.length&&v.push({type:e.type,data:t,parent:"audio",content:"data"})})),!f&&v.length&&(v.forEach((function(e){t.state===_e&&(t.pendingBuffering=!0,t.hls.trigger(d.a.BUFFER_APPENDING,e))})),this.pendingData=[],this.appended=!0)),this.tick()}},c.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=at.now(),this.state=Ae,this._checkAppendedParsed())},c.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},c.onBufferCreated=function(e){var t=e.tracks.audio;t&&(this.mediaBuffer=t.buffer,this.loadedmetadata=!0),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},c.onBufferAppended=function(e){if("audio"===e.parent){var t=this.state;t!==_e&&t!==Ae||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},c._checkAppendedParsed=function(){if(!(this.state!==Ae||this.appended&&this.pendingBuffering)){var e=this.fragCurrent,t=this.stats,r=this.hls;if(e){this.fragPrevious=e,t.tbuffered=at.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"});var i=this.mediaBuffer?this.mediaBuffer:this.media;i&&u.b.log("audio buffered : "+ne.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=me}this.tick()}},c.onError=function(e){var t=e.frag;if(!t||"audio"===t.type)switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:var r=e.frag;if(r&&"audio"!==r.type)break;if(!e.fatal){var i=this.fragLoadError;i?i++:i=1;var a=this.config;if(i<=a.fragLoadingMaxRetry){this.fragLoadError=i;var n=Math.min(Math.pow(2,i-1)*a.fragLoadingRetryDelay,a.fragLoadingMaxRetryTimeout);u.b.warn("AudioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=at.now()+n,this.state=Ee}else u.b.error("AudioStreamController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=Le}break;case o.a.AUDIO_TRACK_LOAD_ERROR:case o.a.AUDIO_TRACK_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:this.state!==Le&&(this.state=e.fatal?Le:me,u.b.warn("AudioStreamController: "+e.details+" while loading frag, now switching to "+this.state+" state ..."));break;case o.a.BUFFER_FULL_ERROR:if("audio"===e.parent&&(this.state===_e||this.state===Ae)){var s=this.mediaBuffer,l=this.media.currentTime;if(s&&H.isBuffered(s,l)&&H.isBuffered(s,l+.5)){var c=this.config;c.maxMaxBufferLength>=c.maxBufferLength&&(c.maxMaxBufferLength/=2,u.b.warn("AudioStreamController: reduce max buffer length to "+c.maxMaxBufferLength+"s")),this.state=me}else u.b.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=Re,this.hls.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}},c.onBufferFlushed=function(){var e=this,t=this.pendingData;t&&t.length?(u.b.log("AudioStreamController: appending pending audio data after buffer flushed"),t.forEach((function(t){e.hls.trigger(d.a.BUFFER_APPENDING,t)})),this.appended=!0,this.pendingData=[],this.state=Ae):(this.state=me,this.fragPrevious=null,this.tick())},a=i,(n=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("audio stream:"+t+"->"+e)}},get:function(){return this._state}}])&&it(a.prototype,n),s&&it(a,s),i}(Ce),st=function(){if("undefined"!=typeof window&&window.VTTCue)return window.VTTCue;var e={"":!0,lr:!0,rl:!0},t={start:!0,middle:!0,end:!0,left:!0,right:!0};function r(e){return"string"==typeof e&&(!!t[e.toLowerCase()]&&e.toLowerCase())}function i(e){for(var t=1;t100)throw new Error("Position must be between 0 and 100.");y=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"positionAlign",i({},o,{get:function(){return b},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");b=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"size",i({},o,{get:function(){return T},set:function(e){if(e<0||e>100)throw new Error("Size must be between 0 and 100.");T=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"align",i({},o,{get:function(){return E},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");E=t,this.hasBeenReset=!0}})),s.displayState=void 0}return a.prototype.getCueAsHTML=function(){return window.WebVTT.convertCueToDOMTree(window,this.text)},a}(),ot=function(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}};function lt(){this.window=window,this.state="INITIAL",this.buffer="",this.decoder=new ot,this.regionList=[]}function dt(){this.values=Object.create(null)}function ut(e,t,r,i){var a=i?e.split(i):[e];for(var n in a)if("string"==typeof a[n]){var s=a[n].split(r);if(2===s.length)t(s[0],s[1])}}dt.prototype={set:function(e,t){this.get(e)||""===t||(this.values[e]=t)},get:function(e,t,r){return r?this.has(e)?this.values[e]:t[r]:this.has(e)?this.values[e]:t},has:function(e){return e in this.values},alt:function(e,t,r){for(var i=0;i=0&&t<=100)&&(this.set(e,t),!0)}};var ct=new st(0,0,0),ht="middle"===ct.align?"middle":"center";function ft(e,t,r){var i=e;function a(){var t=function(e){function t(e,t,r,i){return 3600*(0|e)+60*(0|t)+(0|r)+(0|i)/1e3}var r=e.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);return r?r[3]?t(r[1],r[2],r[3].replace(":",""),r[4]):r[1]>59?t(r[1],r[2],0,r[4]):t(0,r[1],r[2],r[4]):null}(e);if(null===t)throw new Error("Malformed timestamp: "+i);return e=e.replace(/^[^\sa-zA-Z-]+/,""),t}function n(){e=e.replace(/^\s+/,"")}if(n(),t.startTime=a(),n(),"--\x3e"!==e.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+i);e=e.substr(3),n(),t.endTime=a(),n(),function(e,t){var i=new dt;ut(e,(function(e,t){switch(e){case"region":for(var a=r.length-1;a>=0;a--)if(r[a].id===t){i.set(e,r[a].region);break}break;case"vertical":i.alt(e,t,["rl","lr"]);break;case"line":var n=t.split(","),s=n[0];i.integer(e,s),i.percent(e,s)&&i.set("snapToLines",!1),i.alt(e,s,["auto"]),2===n.length&&i.alt("lineAlign",n[1],["start",ht,"end"]);break;case"position":n=t.split(","),i.percent(e,n[0]),2===n.length&&i.alt("positionAlign",n[1],["start",ht,"end","line-left","line-right","auto"]);break;case"size":i.percent(e,t);break;case"align":i.alt(e,t,["start",ht,"end","left","right"])}}),/:/,/\s/),t.region=i.get("region",null),t.vertical=i.get("vertical","");var a=i.get("line","auto");"auto"===a&&-1===ct.line&&(a=-1),t.line=a,t.lineAlign=i.get("lineAlign","start"),t.snapToLines=i.get("snapToLines",!0),t.size=i.get("size",100),t.align=i.get("align",ht);var n=i.get("position","auto");"auto"===n&&50===ct.position&&(n="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=n}(e,t)}function gt(e){return e.replace(//gi,"\n")}lt.prototype={parse:function(e){var t=this;function r(){var e=t.buffer,r=0;for(e=gt(e);r=16?o--:o++,navigator.userAgent.match(/Firefox\//)?n.line=u+1:n.line=u>7?u-2:u+1,n.align="left",n.position=Math.max(0,Math.min(100,o/32*100)),e.addCue(n)}}var mt,yt={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},bt=function(e){var t=e;return yt.hasOwnProperty(e)&&(t=yt[e]),String.fromCharCode(t)},Tt={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},Et={17:2,18:4,21:6,22:8,23:10,19:13,20:15},St={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},_t={25:2,26:4,29:6,30:8,31:10,27:13,28:15},At=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];!function(e){e[e.ERROR=0]="ERROR",e[e.TEXT=1]="TEXT",e[e.WARNING=2]="WARNING",e[e.INFO=2]="INFO",e[e.DEBUG=3]="DEBUG",e[e.DATA=3]="DATA"}(mt||(mt={}));var Rt={verboseFilter:{DATA:3,DEBUG:3,INFO:2,WARNING:2,TEXT:1,ERROR:0},time:null,verboseLevel:0,setTime:function(e){this.time=e},log:function(e,t){this.verboseFilter[e];this.verboseLevel}},wt=function(e){for(var t=[],r=0;r100&&(Rt.log("ERROR","Too large cursor position "+this.pos),this.pos=100)},t.moveCursor=function(e){var t=this.pos+e;if(e>1)for(var r=this.pos+1;r=144&&this.backSpace();var t=bt(e);this.pos>=100?Rt.log("ERROR","Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},t.clearFromPos=function(e){var t;for(t=e;t<100;t++)this.chars[t].reset()},t.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.getTextString=function(){for(var e=[],t=!0,r=0;r<100;r++){var i=this.chars[r].uchar;" "!==i&&(t=!1),e.push(i)}return t?"":e.join("")},t.setPenStyles=function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)},e}(),Ct=function(){function e(){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.rows=[];for(var e=0;e<15;e++)this.rows.push(new Dt);this.currRow=14,this.nrRollUpRows=null,this.reset()}var t=e.prototype;return t.reset=function(){for(var e=0;e<15;e++)this.rows[e].clear();this.currRow=14},t.equals=function(e){for(var t=!0,r=0;r<15;r++)if(!this.rows[r].equals(e.rows[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<15;t++)this.rows[t].copy(e.rows[t])},t.isEmpty=function(){for(var e=!0,t=0;t<15;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},t.backSpace=function(){this.rows[this.currRow].backSpace()},t.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.insertChar=function(e){this.rows[this.currRow].insertChar(e)},t.setPen=function(e){this.rows[this.currRow].setPenStyles(e)},t.moveCursor=function(e){this.rows[this.currRow].moveCursor(e)},t.setCursor=function(e){Rt.log("INFO","setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){Rt.log("INFO","pacData = "+JSON.stringify(e));var t=e.row-1;if(this.nrRollUpRows&&t0&&(r=e?"["+t.join(" | ")+"]":t.join("\n")),r},t.getTextAndFormat=function(){return this.rows},e}(),Ot=function(){function e(e,t){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 0,this.displayedMemory=void 0,this.nonDisplayedMemory=void 0,this.lastOutputScreen=void 0,this.currRollUpRow=void 0,this.writeScreen=void 0,this.cueStartTime=void 0,this.lastCueEndTime=void 0,this.chNr=e,this.outputFilter=t,this.mode=null,this.verbose=0,this.displayedMemory=new Ct,this.nonDisplayedMemory=new Ct,this.lastOutputScreen=new Ct,this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}var t=e.prototype;return t.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},t.getHandler=function(){return this.outputFilter},t.setHandler=function(e){this.outputFilter=e},t.setPAC=function(e){this.writeScreen.setPAC(e)},t.setBkgData=function(e){this.writeScreen.setBkgData(e)},t.setMode=function(e){e!==this.mode&&(this.mode=e,Rt.log("INFO","MODE="+e),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=e)},t.insertChars=function(e){for(var t=0;t=46,t.italics)t.foreground="white";else{var r=Math.floor(e/2)-16;t.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}Rt.log("INFO","MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=Rt.time;null!==t&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),e&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.cueSplitAtTime=function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))},e}(),It=function(){function e(e,t,r){this.field=void 0,this.outputs=void 0,this.channels=void 0,this.currChNr=void 0,this.lastCmdA=void 0,this.lastCmdB=void 0,this.lastTime=void 0,this.dataCounters=void 0,this.field=e||1,this.outputs=[t,r],this.channels=[new Ot(1,t),new Ot(2,r)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}var t=e.prototype;return t.getHandler=function(e){return this.channels[e].getHandler()},t.setHandler=function(e,t){this.channels[e].setHandler(t)},t.addData=function(e,t){var r,i,a,n=!1;this.lastTime=e,Rt.setTime(e);for(var s=0;s ("+wt([i,a])+")"),(r=this.parseCmd(i,a))||(r=this.parseMidrow(i,a)),r||(r=this.parsePAC(i,a)),r||(r=this.parseBackgroundAttributes(i,a)),!r)if(n=this.parseChars(i,a))if(this.currChNr&&this.currChNr>=0)this.channels[this.currChNr-1].insertChars(n);else Rt.log("WARNING","No channel found yet. TEXT-MODE?");r?this.dataCounters.cmd+=2:n?this.dataCounters.char+=2:(this.dataCounters.other+=2,Rt.log("WARNING","Couldn't parse cleaned data "+wt([i,a])+" orig: "+wt([t[s],t[s+1]])))}else this.dataCounters.padding+=2},t.parseCmd=function(e,t){var r=null;if(!((20===e||28===e)&&t>=32&&t<=47)&&!((23===e||31===e)&&t>=33&&t<=35))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,Rt.log("DEBUG","Repeated command ("+wt([e,t])+") is dropped"),!0;r=20===e||23===e?1:2;var i=this.channels[r-1];return 20===e||28===e?32===t?i.ccRCL():33===t?i.ccBS():34===t?i.ccAOF():35===t?i.ccAON():36===t?i.ccDER():37===t?i.ccRU(2):38===t?i.ccRU(3):39===t?i.ccRU(4):40===t?i.ccFON():41===t?i.ccRDC():42===t?i.ccTR():43===t?i.ccRTD():44===t?i.ccEDM():45===t?i.ccCR():46===t?i.ccENM():47===t&&i.ccEOC():i.ccTO(t-32),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.parseMidrow=function(e,t){var r=null;return(17===e||25===e)&&t>=32&&t<=47&&((r=17===e?1:2)!==this.currChNr?(Rt.log("ERROR","Mismatch channel in midrow parsing"),!1):(this.channels[r-1].ccMIDROW(t),Rt.log("DEBUG","MIDROW ("+wt([e,t])+")"),!0))},t.parsePAC=function(e,t){var r,i=null;if(!((e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127)&&!((16===e||24===e)&&t>=64&&t<=95))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,!0;r=e<=23?1:2,i=t>=64&&t<=95?1===r?Tt[e]:St[e]:1===r?Et[e]:_t[e];var a=this.interpretPAC(i,t);return this.channels[r-1].setPAC(a),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.interpretPAC=function(e,t){var r=t,i={color:null,italics:!1,indent:null,underline:!1,row:e};return r=t>95?t-96:t-64,i.underline=1==(1&r),r<=13?i.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white"):i.indent=4*Math.floor((r-16)/2),i},t.parseChars=function(e,t){var r=null,i=null,a=null;if(e>=25?(r=2,a=e-8):(r=1,a=e),a>=17&&a<=19){var n=t;n=17===a?t+80:18===a?t+112:t+144,Rt.log("INFO","Special char '"+bt(n)+"' in channel "+r),i=[n]}else e>=32&&e<=127&&(i=0===t?[e]:[e,t]);if(i){var s=wt(i);Rt.log("DEBUG","Char codes = "+s.join(",")),this.lastCmdA=null,this.lastCmdB=null}return i},t.parseBackgroundAttributes=function(e,t){var r,i,a;return((16===e||24===e)&&t>=32&&t<=47||(23===e||31===e)&&t>=45&&t<=47)&&(r={},16===e||24===e?(i=Math.floor((t-32)/2),r.background=At[i],t%2==1&&(r.background=r.background+"_semi")):45===t?r.background="transparent":(r.foreground="black",47===t&&(r.underline=!0)),a=e<24?1:2,this.channels[a-1].setBkgData(r),this.lastCmdA=null,this.lastCmdB=null,!0)},t.reset=function(){for(var e=0;ee)&&(this.startTime=e),this.endTime=t,this.screen=r,this.timelineController.createCaptionsTrack(this.trackName)},e}(),xt=function(e,t,r){return e.substr(r||0,t.length)===t},Mt=function(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()},Ft={parse:function(e,t,r,i,a,n){var s,o=Object(Fe.b)(new Uint8Array(e)).trim().replace(/\r\n|\n\r|\n|\r/g,"\n").split("\n"),d="00:00.000",u=0,c=0,h=0,f=[],g=!0,p=!1,v=new pt;v.oncue=function(e){var t=r[i],a=r.ccOffset;t&&t.new&&(void 0!==c?a=r.ccOffset=t.start:function(e,t,r){var i=e[t],a=e[i.prevCC];if(!a||!a.new&&i.new)return e.ccOffset=e.presentationOffset=i.start,void(i.new=!1);for(;a&&a.new;)e.ccOffset+=i.start-a.start,i.new=!1,a=e[(i=a).prevCC];e.presentationOffset=r}(r,i,h)),h&&(a=h-r.presentationOffset),p&&(e.startTime+=a-c,e.endTime+=a-c),e.id=Mt(e.startTime.toString())+Mt(e.endTime.toString())+Mt(e.text),e.text=decodeURIComponent(encodeURIComponent(e.text)),e.endTime>0&&f.push(e)},v.onparsingerror=function(e){s=e},v.onflush=function(){s&&n?n(s):a(f)},o.forEach((function(e){if(g){if(xt(e,"X-TIMESTAMP-MAP=")){g=!1,p=!0,e.substr(16).split(",").forEach((function(e){xt(e,"LOCAL:")?d=e.substr(6):xt(e,"MPEGTS:")&&(u=parseInt(e.substr(7)))}));try{t+(9e4*r[i].start||0)<0&&(t+=8589934592),u-=t,c=function(e){var t=parseInt(e.substr(-3)),r=parseInt(e.substr(-6,2)),i=parseInt(e.substr(-9,2)),a=e.length>9?parseInt(e.substr(0,e.indexOf(":"))):0;if(!(Object(l.a)(t)&&Object(l.a)(r)&&Object(l.a)(i)&&Object(l.a)(a)))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+e);return t+=1e3*r,t+=6e4*i,t+=36e5*a}(d)/1e3,h=u/9e4}catch(e){p=!1,s=e}return}""===e&&(g=!1)}v.parse(e+"\n")})),v.flush()}};function Ut(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function Nt(e,t){return e&&e.label===t.name&&!(e.textTrack1||e.textTrack2)}var Bt=function(e){var t,r;function i(t){var r;if((r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_USERDATA,d.a.FRAG_DECRYPTED,d.a.MANIFEST_LOADING,d.a.MANIFEST_LOADED,d.a.FRAG_LOADED,d.a.INIT_PTS_FOUND)||this).media=null,r.config=void 0,r.enabled=!0,r.Cues=void 0,r.textTracks=[],r.tracks=[],r.initPTS=[],r.unparsedVttFrags=[],r.cueRanges=[],r.captionsTracks={},r.captionsProperties=void 0,r.cea608Parser=void 0,r.lastSn=-1,r.prevCC=-1,r.vttCCs=null,r.hls=t,r.config=t.config,r.Cues=t.config.cueHandler,r.captionsProperties={textTrack1:{label:r.config.captionsTextTrack1Label,languageCode:r.config.captionsTextTrack1LanguageCode},textTrack2:{label:r.config.captionsTextTrack2Label,languageCode:r.config.captionsTextTrack2LanguageCode}},r.config.enableCEA708Captions){var i=new Pt(Ut(r),"textTrack1"),a=new Pt(Ut(r),"textTrack2");r.cea608Parser=new It(0,i,a)}return r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.addCues=function(e,t,r,i){for(var a,n,s,o,l=this.cueRanges,d=!1,u=l.length;u--;){var c=l[u],h=(a=c[0],n=c[1],s=t,o=r,Math.min(n,o)-Math.max(a,s));if(h>=0&&(c[0]=Math.min(c[0],t),c[1]=Math.max(c[1],r),d=!0,h/(r-t)>.5))return}d||l.push([t,r]),this.Cues.newCue(this.captionsTracks[e],t,r,i)},a.onInitPtsFound=function(e){var t=this,r=e.frag,i=e.id,a=e.initPTS,n=this.unparsedVttFrags;"main"===i&&(this.initPTS[r.cc]=a),n.length&&(this.unparsedVttFrags=[],n.forEach((function(e){t.onFragLoaded(e)})))},a.getExistingTrack=function(e){var t=this.media;if(t)for(var r=0;r=n.length||r!==a||!s||this.stopped)this._clearReloadTimer();else if(u.b.log("subtitle track "+r+" loaded"),i.live){var o=ae(s.details,i,e.stats.trequest);u.b.log("Reloading live subtitle playlist in "+o+"ms"),this.timer=setTimeout((function(){t._loadCurrentTrack()}),o)}else this._clearReloadTimer()},o.startLoad=function(){this.stopped=!1,this._loadCurrentTrack()},o.stopLoad=function(){this.stopped=!0,this._clearReloadTimer()},o._clearReloadTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},o._loadCurrentTrack=function(){var e=this.trackId,t=this.tracks,r=this.hls,i=t[e];e<0||!i||i.details&&!i.details.live||(u.b.log("Loading subtitle track "+e),r.trigger(d.a.SUBTITLE_TRACK_LOADING,{url:i.url,id:e}))},o._toggleTrackModes=function(e){var t=this.media,r=this.subtitleDisplay,i=this.trackId;if(t){var a=Kt(t.textTracks);if(-1===e)[].slice.call(a).forEach((function(e){e.mode="disabled"}));else{var n=a[i];n&&(n.mode="disabled")}var s=a[e];s&&(s.mode=r?"showing":"hidden")}},o._setSubtitleTrackInternal=function(e){var t=this.hls,r=this.tracks;!Object(l.a)(e)||e<-1||e>=r.length||(this.trackId=e,u.b.log("Switching to subtitle track "+e),t.trigger(d.a.SUBTITLE_TRACK_SWITCH,{id:e}),this._loadCurrentTrack())},o._onTextTracksChanged=function(){if(this.media){for(var e=-1,t=Kt(this.media.textTracks),r=0;r=i[s].start&&n<=i[s].end){a=i[s];break}var o=t.start+t.duration;a?a.end=o:(a={start:n,end:o},i.push(a))}}},a.onMediaAttached=function(e){var t=e.media;this.media=t,t.addEventListener("seeking",this._onMediaSeeking),this.state=me},a.onMediaDetaching=function(){var e=this;this.media&&(this.media.removeEventListener("seeking",this._onMediaSeeking),this.fragmentTracker.removeAllFragments(),this.currentTrackId=-1,this.tracks.forEach((function(t){e.tracksBuffered[t.id]=[]})),this.media=null,this.state=pe)},a.onError=function(e){var t=e.frag;t&&"subtitle"===t.type&&(this.state=me)},a.onSubtitleTracksUpdated=function(e){var t=this;u.b.log("subtitle tracks updated"),this.tracksBuffered=[],this.tracks=e.subtitleTracks,this.tracks.forEach((function(e){t.tracksBuffered[e.id]=[]}))},a.onSubtitleTrackSwitch=function(e){if(this.currentTrackId=e.id,this.tracks&&this.tracks.length&&-1!==this.currentTrackId){var t=this.tracks[this.currentTrackId];t&&t.details&&this.setInterval(500)}else this.clearInterval()},a.onSubtitleTrackLoaded=function(e){var t=e.id,r=e.details,i=this.currentTrackId,a=this.tracks,n=a[i];t>=a.length||t!==i||!n||(r.live&&function(e,t,r){void 0===r&&(r=0);var i=-1;ie(e,t,(function(e,t,r){t.start=e.start,i=r}));var a=t.fragments;if(i<0)a.forEach((function(e){e.start+=r}));else for(var n=i+1;n0&&r&&r.key&&"AES-128"===r.method){var n=Yt.now();this.decrypter.decrypt(e.payload,r.key.buffer,r.iv.buffer,(function(e){var t=Yt.now();a.trigger(d.a.FRAG_DECRYPTED,{frag:i,payload:e,stats:{tstart:n,tdecrypt:t}})}))}},a.onLevelUpdated=function(e){var t=e.details.fragments;this.lastAVStart=t.length?t[0].start:0},a.doTick=function(){if(this.media)switch(this.state){case me:var e=this.config,t=this.currentTrackId,r=this.fragmentTracker,i=this.media,a=this.tracks;if(!a||!a[t]||!a[t].details)break;var n,s=e.maxBufferHole,o=e.maxFragLookUpTolerance,l=Math.min(e.maxBufferLength,e.maxMaxBufferLength),c=H.bufferedInfo(this._getBuffered(),i.currentTime,s),h=c.end,f=c.len,g=a[t].details,p=g.fragments,v=p.length,m=p[v-1].start+p[v-1].duration;if(f>l)return;var y=this.fragPrevious;h3)return void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var a=3-this._requestLicenseFailureCount+1;u.b.warn("Retrying license request, "+a+" attempts left"),this._requestLicense(r,i)}}},l._generateLicenseRequestChallenge=function(e,t){switch(e.mediaKeySystemDomain){case Vt.WIDEVINE:return t}throw new Error("unsupported key-system: "+e.mediaKeySystemDomain)},l._requestLicense=function(e,t){u.b.log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return u.b.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var i=this.getLicenseServerUrl(r.mediaKeySystemDomain),a=this._createLicenseXhr(i,e,t);u.b.log("Sending license request to URL: "+i);var n=this._generateLicenseRequestChallenge(r,e);a.send(n)}catch(e){u.b.error("Failure requesting DRM license: "+e),this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},l.onMediaAttached=function(e){if(this._emeEnabled){var t=e.media;this._media=t,t.addEventListener("encrypted",this._onMediaEncrypted)}},l.onMediaDetached=function(){this._media&&(this._media.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null)},l.onManifestParsed=function(e){if(this._emeEnabled){var t=e.levels.map((function(e){return e.audioCodec})),r=e.levels.map((function(e){return e.videoCodec}));this._attemptKeySystemAccess(Vt.WIDEVINE,t,r)}},a=i,(n=[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}])&&zt(a.prototype,n),s&&zt(a,s),i}(h);function Qt(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}var $t=function(e){for(var t=1;tt)return i}return 0}},{key:"maxAutoLevel",get:function(){var e=this.levels,t=this.autoLevelCapping;return-1===t&&e&&e.length?e.length-1:t}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(e){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,e)}},{key:"audioTracks",get:function(){var e=this.audioTrackController;return e?e.audioTracks:[]}},{key:"audioTrack",get:function(){var e=this.audioTrackController;return e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}}]),i}(X);rr.defaultConfig=void 0}]).default})); -//# sourceMappingURL=hls.min.js.map \ No newline at end of file -- cgit v1.2.3