libreddit/static/hls.min.js

// @license http://www.apache.org/licenses/LICENSE-2.0 Apache-2.0
// @source  https://github.com/video-dev/hls.js/tree/v1.2.4
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l=o.frameLength,u=o.headerLength,h=u+l,d=Math.max(0,i+h-e.length);d?(a=new Uint8Array(h-u)).set(e.subarray(i+u,e.length),0):a=e.subarray(i+u,i+h);var c={unit:a,pts:s};return d||t.samples.push(c),{sample:c,length:h,missing:d}}var f=e.length-i;return(a=new Uint8Array(f)).set(e.subarray(i,e.length),0),{sample:{unit:a,pts:s},length:f,missing:-1}}function A(t,e){return(A=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var D=function(t){var e,i;function r(e,i){var r;return(r=t.call(this)||this).observer=void 0,r.config=void 0,r.observer=e,r.config=i,r}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,A(e,i);var n=r.prototype;return 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s=t[e+2]>>1&1,o=t[e+3]>>6,l=1e3*I[14*(3===i?3-r:3===r?3:4)+n-1],u=O[3*(3===i?0:2===i?1:2)+a],h=3===o?1:2,d=C[i][r],c=w[r],f=8*d*c,g=Math.floor(d*l/u+s)*c;if(null===_){var v=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);_=v?parseInt(v[1]):0}return!!_&&_<=87&&2===r&&l>=224e3&&0===o&&(t[e+3]=128|t[e+3]),{sampleRate:u,channelCount:h,frameLength:g,samplesPerFrame:f}}}function F(t,e){return 255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1])}function M(t,e){return e+1<t.length&&F(t,e)}function N(t,e){if(e+1<t.length&&F(t,e)){var i=P(t,e),r=4;null!=i&&i.frameLength&&(r=i.frameLength);var n=e+r;return n===t.length||M(t,n)}return!1}var U=function(){function t(t){this.data=void 0,this.bytesAvailable=void 0,this.word=void 0,this.bitsAvailable=void 0,this.data=t,this.bytesAvailable=t.byteLength,this.word=0,this.bitsAvailable=0}var e=t.prototype;return e.loadWord=function(){var t=this.data,e=this.bytesAvailable,i=t.byteLength-e,r=new Uint8Array(4),n=Math.min(4,e);if(0===n)throw new Error("no bytes 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this.readBits(t+1)-1},e.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},e.readBoolean=function(){return 1===this.readBits(1)},e.readUByte=function(){return this.readBits(8)},e.readUShort=function(){return this.readBits(16)},e.readUInt=function(){return this.readBits(32)},e.skipScalingList=function(t){for(var e=8,i=8,r=0;r<t;r++)0!==i&&(i=(e+this.readEG()+256)%256),e=0===i?e:i},e.readSPS=function(){var t,e,i,r=0,n=0,a=0,s=0,o=this.readUByte.bind(this),l=this.readBits.bind(this),u=this.readUEG.bind(this),h=this.readBoolean.bind(this),d=this.skipBits.bind(this),c=this.skipEG.bind(this),f=this.skipUEG.bind(this),g=this.skipScalingList.bind(this);o();var v=o();if(l(5),d(3),o(),f(),100===v||110===v||122===v||244===v||44===v||83===v||86===v||118===v||128===v){var p=u();if(3===p&&d(1),f(),f(),d(1),h())for(e=3!==p?8:12,i=0;i<e;i++)h()&&g(i<6?16:64)}f();var m=u();if(0===m)u();else if(1===m)for(d(1),c(),c(),t=u(),i=0;i<t;i++)c();f(),d(1);var y=u(),T=u(),b=l(1);0===b&&d(1),d(1),h()&&(r=u(),n=u(),a=u(),s=u());var E=[1,1];if(h()&&h())switch(o()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[o()<<8|o(),o()<<8|o()]}return{width:Math.ceil(16*(y+1)-2*r-2*n),height:(2-b)*(T+1)*16-(b?2:4)*(a+s),pixelRatio:E}},e.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t}(),B=function(){function t(t,e,i){this.keyData=void 0,this.decrypter=void 0,this.keyData=i,this.decrypter=new a.a(t,e,{removePKCS7Padding:!1})}var e=t.prototype;return e.decryptBuffer=function(t,e){this.decrypter.decrypt(t,this.keyData.key.buffer,this.keyData.iv.buffer,e)},e.decryptAacSample=function(t,e,i,r){var n=t[e].unit;if(!(n.length<=16)){var a=n.subarray(16,n.length-n.length%16),s=a.buffer.slice(a.byteOffset,a.byteOffset+a.length),o=this;this.decryptBuffer(s,(function(a){var s=new Uint8Array(a);n.set(s,16),r||o.decryptAacSamples(t,e+1,i)}))}},e.decryptAacSamples=function(t,e,i){for(;;e++){if(e>=t.length)return void i();if(!(t[e].unit.length<32)){var r=this.decrypter.isSync();if(this.decryptAacSample(t,e,i,r),!r)return}}},e.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,i=new Int8Array(e),r=0,n=32;n<t.length-16;n+=160,r+=16)i.set(t.subarray(n,n+16),r);return i},e.getAvcDecryptedUnit=function(t,e){for(var i=new Uint8Array(e),r=0,n=32;n<t.length-16;n+=160,r+=16)t.set(i.subarray(r,r+16),n);return t},e.decryptAvcSample=function(t,e,i,r,n,a){var s=Y(n.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){n.data=l.getAvcDecryptedUnit(s,o),a||l.decryptAvcSamples(t,e,i+1,r)}))},e.decryptAvcSamples=function(t,e,i,r){if(t instanceof Uint8Array)throw new Error("Cannot decrypt samples of type Uint8Array");for(;;e++,i=0){if(e>=t.length)return void r();for(var n=t[e].units;!(i>=n.length);i++){var a=n[i];if(!(a.data.length<=48||1!==a.type&&5!==a.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(t,e,i,r,a,s),!s)return}}}},t}();function G(){return(G=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}function j(t,e,i,r){return{key:t,frame:!1,pts:e,dts:i,units:[],debug:r,length:0}}function K(t,e){return(31&t[e+10])<<8|t[e+11]}function H(t,e,i,r){var n={audio:-1,avc:-1,id3:-1,segmentCodec:"aac"},a=e+3+((15&t[e+1])<<8|t[e+2])-4;for(e+=12+((15&t[e+10])<<8|t[e+11]);e<a;){var s=(31&t[e+1])<<8|t[e+2];switch(t[e]){case 207:if(!r){v.b.log("ADTS AAC with AES-128-CBC frame encryption found in unencrypted stream");break}case 15:-1===n.audio&&(n.audio=s);break;case 21:-1===n.id3&&(n.id3=s);break;case 219:if(!r){v.b.log("H.264 with AES-128-CBC slice encryption found in unencrypted stream");break}case 27:-1===n.avc&&(n.avc=s);break;case 3:case 4:!0!==i.mpeg&&!0!==i.mp3?v.b.log("MPEG audio found, not supported in this browser"):-1===n.audio&&(n.audio=s,n.segmentCodec="mp3");break;case 36:v.b.warn("Unsupported HEVC stream type found")}e+=5+((15&t[e+3])<<8|t[e+4])}return n}function V(t){var e,i,r,n,a,s=0,o=t.data;if(!t||0===t.size)return null;for(;o[0].length<19&&o.length>1;){var l=new Uint8Array(o[0].length+o[1].length);l.set(o[0]),l.set(o[1],o[0].length),o[0]=l,o.splice(1,1)}if(1===((e=o[0])[0]<<16)+(e[1]<<8)+e[2]){if((i=(e[4]<<8)+e[5])&&i>t.size-6)return null;var u=e[7];192&u&&(n=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&u?n-(a=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2)>54e5&&(v.b.warn(Math.round((n-a)/9e4)+"s delta between PTS and DTS, align them"),n=a):a=n);var h=(r=e[8])+9;if(t.size<=h)return null;t.size-=h;for(var d=new Uint8Array(t.size),c=0,f=o.length;c<f;c++){var g=(e=o[c]).byteLength;if(h){if(h>g){h-=g;continue}e=e.subarray(h),g-=h,h=0}d.set(e,s),s+=g}return i&&(i-=r+3),{data:d,pts:n,dts:a,len:i}}return null}function W(t,e){if(t.units.length&&t.frame){if(void 0===t.pts){var i=e.samples,r=i.length;if(!r)return void e.dropped++;var n=i[r-1];t.pts=n.pts,t.dts=n.dts}e.samples.push(t)}t.debug.length&&v.b.log(t.pts+"/"+t.dts+":"+t.debug)}function Y(t){for(var e=t.byteLength,i=[],r=1;r<e-2;)0===t[r]&&0===t[r+1]&&3===t[r+2]?(i.push(r+2),r+=2):r++;if(0===i.length)return t;var n=e-i.length,a=new Uint8Array(n),s=0;for(r=0;r<n;s++,r++)s===i[0]&&(s++,i.shift()),a[r]=t[s];return a}var q=function(){function t(t,e,i){this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.sampleAes=null,this.pmtParsed=!1,this.audioCodec=void 0,this.videoCodec=void 0,this._duration=0,this._pmtId=-1,this._avcTrack=void 0,this._audioTrack=void 0,this._id3Track=void 0,this._txtTrack=void 0,this.aacOverFlow=null,this.avcSample=null,this.remainderData=null,this.observer=t,this.config=e,this.typeSupported=i}t.probe=function(t){return 71===t[0]&&71===t[188]},t.createTrack=function(t,e){return{container:"video"===t||"audio"===t?"video/mp2t":void 0,type:t,id:h.a[t],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0,duration:"audio"===t?e:void 0}};var e=t.prototype;return e.resetInitSegment=function(e,i,r,n){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=t.createTrack("video"),this._audioTrack=t.createTrack("audio",n),this._id3Track=t.createTrack("id3"),this._txtTrack=t.createTrack("text"),this._audioTrack.segmentCodec="aac",this.aacOverFlow=null,this.avcSample=null,this.remainderData=null,this.audioCodec=i,this.videoCodec=r,this._duration=n},e.resetTimeStamp=function(){},e.resetContiguity=function(){var t=this._audioTrack,e=this._avcTrack,i=this._id3Track;t&&(t.pesData=null),e&&(e.pesData=null),i&&(i.pesData=null),this.aacOverFlow=null},e.demux=function(t,e,i,a){var s;void 0===i&&(i=!1),void 0===a&&(a=!1),i||(this.sampleAes=null);var o=this._avcTrack,l=this._audioTrack,u=this._id3Track,d=this._txtTrack,c=o.pid,f=o.pesData,g=l.pid,p=u.pid,m=l.pesData,y=u.pesData,T=null,b=this.pmtParsed,E=this._pmtId,S=t.length;if(this.remainderData&&(S=(t=Object(h.b)(this.remainderData,t)).length,this.remainderData=null),S<188&&!a)return this.remainderData=t,{audioTrack:l,videoTrack:o,id3Track:u,textTrack:d};(S-=S%188)<t.byteLength&&!a&&(this.remainderData=new Uint8Array(t.buffer,S,t.buffer.byteLength-S));for(var L=0,A=0;A<S;A+=188)if(71===t[A]){var D=!!(64&t[A+1]),R=((31&t[A+1])<<8)+t[A+2],k=void 0;if((48&t[A+3])>>4>1){if((k=A+5+t[A+4])===A+188)continue}else k=A+4;switch(R){case c:D&&(f&&(s=V(f))&&this.parseAVCPES(o,d,s,!1),f={data:[],size:0}),f&&(f.data.push(t.subarray(k,A+188)),f.size+=A+188-k);break;case g:if(D){if(m&&(s=V(m)))switch(l.segmentCodec){case"aac":this.parseAACPES(l,s);break;case"mp3":this.parseMPEGPES(l,s)}m={data:[],size:0}}m&&(m.data.push(t.subarray(k,A+188)),m.size+=A+188-k);break;case p:D&&(y&&(s=V(y))&&this.parseID3PES(u,s),y={data:[],size:0}),y&&(y.data.push(t.subarray(k,A+188)),y.size+=A+188-k);break;case 0:D&&(k+=t[k]+1),E=this._pmtId=K(t,k);break;case E:D&&(k+=t[k]+1);var _=H(t,k,this.typeSupported,i);(c=_.avc)>0&&(o.pid=c),(g=_.audio)>0&&(l.pid=g,l.segmentCodec=_.segmentCodec),(p=_.id3)>0&&(u.pid=p),null===T||b||(v.b.log("unknown PID '"+T+"' in TS found"),T=null),b=this.pmtParsed=!0;break;case 17:case 8191:break;default:T=R}}else L++;L>0&&this.observer.emit(r.a.ERROR,r.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.a.FRAG_PARSING_ERROR,fatal:!1,reason:"Found "+L+" TS packet/s that do not start with 0x47"}),o.pesData=f,l.pesData=m,u.pesData=y;var I={audioTrack:l,videoTrack:o,id3Track:u,textTrack:d};return a&&this.extractRemainingSamples(I),I},e.flush=function(){var t,e=this.remainderData;return this.remainderData=null,t=e?this.demux(e,-1,!1,!0):{videoTrack:this._avcTrack,audioTrack:this._audioTrack,id3Track:this._id3Track,textTrack:this._txtTrack},this.extractRemainingSamples(t),this.sampleAes?this.decrypt(t,this.sampleAes):t},e.extractRemainingSamples=function(t){var e,i=t.audioTrack,r=t.videoTrack,n=t.id3Track,a=t.textTrack,s=r.pesData,o=i.pesData,l=n.pesData;if(s&&(e=V(s))?(this.parseAVCPES(r,a,e,!0),r.pesData=null):r.pesData=s,o&&(e=V(o))){switch(i.segmentCodec){case"aac":this.parseAACPES(i,e);break;case"mp3":this.parseMPEGPES(i,e)}i.pesData=null}else null!=o&&o.size&&v.b.log("last AAC PES packet truncated,might overlap between fragments"),i.pesData=o;l&&(e=V(l))?(this.parseID3PES(n,e),n.pesData=null):n.pesData=l},e.demuxSampleAes=function(t,e,i){var r=this.demux(t,i,!0,!this.config.progressive),n=this.sampleAes=new B(this.observer,this.config,e);return this.decrypt(r,n)},e.decrypt=function(t,e){return new Promise((function(i){var r=t.audioTrack,n=t.videoTrack;r.samples&&"aac"===r.segmentCodec?e.decryptAacSamples(r.samples,0,(function(){n.samples?e.decryptAvcSamples(n.samples,0,0,(function(){i(t)})):i(t)})):n.samples&&e.decryptAvcSamples(n.samples,0,0,(function(){i(t)}))}))},e.destroy=function(){this._duration=0},e.parseAVCPES=function(t,e,i,r){var n,a=this,s=this.parseAVCNALu(t,i.data),o=this.avcSample,l=!1;i.data=null,o&&s.length&&!t.audFound&&(W(o,t),o=this.avcSample=j(!1,i.pts,i.dts,"")),s.forEach((function(r){switch(r.type){case 1:n=!0,o||(o=a.avcSample=j(!0,i.pts,i.dts,"")),o.frame=!0;var s=r.data;if(l&&s.length>4){var u=new U(s).readSliceType();2!==u&&4!==u&&7!==u&&9!==u||(o.key=!0)}break;case 5:n=!0,o||(o=a.avcSample=j(!0,i.pts,i.dts,"")),o.key=!0,o.frame=!0;break;case 6:n=!0,Object(h.i)(Y(r.data),i.pts,e.samples);break;case 7:if(n=!0,l=!0,!t.sps){var d=new U(r.data).readSPS();t.width=d.width,t.height=d.height,t.pixelRatio=d.pixelRatio,t.sps=[r.data],t.duration=a._duration;for(var c=r.data.subarray(1,4),f="avc1.",g=0;g<3;g++){var v=c[g].toString(16);v.length<2&&(v="0"+v),f+=v}t.codec=f}break;case 8:n=!0,t.pps||(t.pps=[r.data]);break;case 9:n=!1,t.audFound=!0,o&&W(o,t),o=a.avcSample=j(!1,i.pts,i.dts,"");break;case 12:n=!0;break;default:n=!1,o&&(o.debug+="unknown NAL "+r.type+" ")}o&&n&&o.units.push(r)})),r&&o&&(W(o,t),this.avcSample=null)},e.getLastNalUnit=function(t){var e,i,r=this.avcSample;if(r&&0!==r.units.length||(r=t[t.length-1]),null!==(e=r)&&void 0!==e&&e.units){var n=r.units;i=n[n.length-1]}return i},e.parseAVCNALu=function(t,e){var i,r,n=e.byteLength,a=t.naluState||0,s=a,o=[],l=0,u=-1,h=0;for(-1===a&&(u=0,h=31&e[0],a=0,l=1);l<n;)if(i=e[l++],a)if(1!==a)if(i)if(1===i){if(u>=0){var d={data:e.subarray(u,l-a-1),type:h};o.push(d)}else{var c=this.getLastNalUnit(t.samples);if(c&&(s&&l<=4-s&&c.state&&(c.data=c.data.subarray(0,c.data.byteLength-s)),(r=l-a-1)>0)){var f=new Uint8Array(c.data.byteLength+r);f.set(c.data,0),f.set(e.subarray(0,r),c.data.byteLength),c.data=f,c.state=0}}l<n?(u=l,h=31&e[l],a=0):a=-1}else a=0;else a=3;else a=i?0:2;else a=i?0:1;if(u>=0&&a>=0){var g={data:e.subarray(u,n),type:h,state:a};o.push(g)}if(0===o.length){var v=this.getLastNalUnit(t.samples);if(v){var p=new Uint8Array(v.data.byteLength+e.byteLength);p.set(v.data,0),p.set(e,v.data.byteLength),v.data=p}}return t.naluState=a,o},e.parseAACPES=function(t,e){var i,a,s,o,l,u=0,h=this.aacOverFlow,d=e.data;if(h){this.aacOverFlow=null;var c=h.missing,f=h.sample.unit.byteLength;if(-1===c){var g=new Uint8Array(f+d.byteLength);g.set(h.sample.unit,0),g.set(d,f),d=g}else{var p=f-c;h.sample.unit.set(d.subarray(0,c),p),t.samples.push(h.sample),u=h.missing}}for(i=u,a=d.length;i<a-1&&!T(d,i);i++);if(i!==u&&(i<a-1?(s="AAC PES did not start with ADTS header,offset:"+i,o=!1):(s="no ADTS header found in AAC PES",o=!0),v.b.warn("parsing error:"+s),this.observer.emit(r.a.ERROR,r.a.ERROR,{type:n.b.MEDIA_ERROR,details:n.a.FRAG_PARSING_ERROR,fatal:o,reason:s}),o))return;if(E(t,this.observer,d,i,this.audioCodec),void 0!==e.pts)l=e.pts;else{if(!h)return void v.b.warn("[tsdemuxer]: AAC PES unknown PTS");var m=S(t.samplerate);l=h.sample.pts+m}for(var y,b=0;i<a;){if(i+=(y=L(t,d,i,l,b)).length,y.missing){this.aacOverFlow=y;break}for(b++;i<a-1&&!T(d,i);i++);}},e.parseMPEGPES=function(t,e){var i=e.data,r=i.length,n=0,a=0,s=e.pts;if(void 0!==s)for(;a<r;)if(M(i,a)){var o=x(t,i,a,s,n);if(!o)break;a+=o.length,n++}else a++;else v.b.warn("[tsdemuxer]: MPEG PES unknown PTS")},e.parseID3PES=function(t,e){if(void 0!==e.pts){var i=G({},e,{type:this._avcTrack?l.a.emsg:l.a.audioId3});t.samples.push(i)}else v.b.warn("[tsdemuxer]: ID3 PES unknown PTS")},t}();function z(t,e){return(z=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var X=function(t){var e,i;function r(){return t.apply(this,arguments)||this}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,z(e,i);var n=r.prototype;return n.resetInitSegment=function(e,i,r,n){t.prototype.resetInitSegment.call(this,e,i,r,n),this._audioTrack={container:"audio/mpeg",type:"audio",id:2,pid:-1,sequenceNumber:0,segmentCodec:"mp3",samples:[],manifestCodec:i,duration:n,inputTimeScale:9e4,dropped:0}},r.probe=function(t){if(!t)return!1;for(var e=(o.b(t,0)||[]).length,i=t.length;e<i;e++)if(N(t,e))return v.b.log("MPEG Audio sync word found !"),!0;return!1},n.canParse=function(t,e){return function(t,e){return F(t,e)&&4<=t.length-e}(t,e)},n.appendFrame=function(t,e,i){if(null!==this.basePTS)return x(t,e,i,this.basePTS,this.frameIndex)},r}(g),Q=i(13),$=i(6);function J(t,e){var i=null==t?void 0:t.codec;return 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n={};r.audio&&r.video?n.audiovideo={container:"video/mp4",codec:e+","+i,initSegment:t,id:"main"}:r.audio?n.audio={container:"audio/mp4",codec:e,initSegment:t,id:"audio"}:r.video?n.video={container:"video/mp4",codec:i,initSegment:t,id:"main"}:v.b.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),this.initTracks=n},e.remux=function(t,e,i,r,n){var a,o=this.initPTS,l=this.lastEndTime,u={audio:void 0,video:void 0,text:r,id3:i,initSegment:void 0};Object(s.a)(l)||(l=this.lastEndTime=n||0);var d=e.samples;if(!d||!d.length)return u;var c={initPTS:void 0,timescale:1},f=this.initData;if(f&&f.length||(this.generateInitSegment(d),f=this.initData),!f||!f.length)return v.b.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),u;this.emitInitSegment&&(c.tracks=this.initTracks,this.emitInitSegment=!1);var g=Object(h.e)(f,d);Object(s.a)(o)||(this.initPTS=c.initPTS=o=g-n);var p=Object(h.d)(d,f),m=t?g-o:l,y=m+p;Object(h.f)(f,d,o),p>0?this.lastEndTime=y:(v.b.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var T=!!f.audio,b=!!f.video,E="";T&&(E+="audio"),b&&(E+="video");var S={data1:d,startPTS:m,startDTS:m,endPTS:y,endDTS:y,type:E,hasAudio:T,hasVideo:b,nb:1,dropped:0};u.audio="audio"===S.type?S:void 0,u.video="audio"!==S.type?S:void 0,u.initSegment=c;var L=null!=(a=this.initPTS)?a:0;return u.id3=Object(Q.b)(i,n,L,L),r.samples.length&&(u.text=Object(Q.c)(r,n,L)),u},t}();try{Z=self.performance.now.bind(self.performance)}catch(t){v.b.debug("Unable to use Performance API on this environment"),Z=self.Date.now}var et=[{demux:q,remux:Q.a},{demux:k,remux:tt},{demux:D,remux:Q.a},{demux:X,remux:Q.a}],it=function(){function t(t,e,i,r,n){this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.vendor=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 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nt(f)?f.then((function(i){return e.flushRemux(l,i,t),l})):(this.flushRemux(l,f,t),l)},e.flushRemux=function(t,e,i){var r=e.audioTrack,n=e.videoTrack,a=e.id3Track,s=e.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;v.b.log("[transmuxer.ts]: Flushed fragment "+i.sn+(i.part>-1?" p: "+i.part:"")+" of level "+i.level);var h=this.remuxer.remux(r,n,a,s,u,l,!0,this.id);t.push({remuxResult:h,chunkMeta:i}),i.transmuxing.executeEnd=Z()},e.resetInitialTimestamp=function(t){var e=this.demuxer,i=this.remuxer;e&&i&&(e.resetTimeStamp(t),i.resetTimeStamp(t))},e.resetContiguity=function(){var t=this.demuxer,e=this.remuxer;t&&e&&(t.resetContiguity(),e.resetNextTimestamp())},e.resetInitSegment=function(t,e,i,r){var n=this.demuxer,a=this.remuxer;n&&a&&(n.resetInitSegment(t,e,i,r),a.resetInitSegment(t,e,i))},e.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 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g=this.demuxer,p=this.remuxer,m=i.remux,y=i.demux;p&&p instanceof m||(this.remuxer=new m(n,r,a,s)),g&&g instanceof y||(this.demuxer=new y(n,r,a),this.probe=y.probe),this.resetInitSegment(h,o,d,u),this.resetInitialTimestamp(l)},e.needsProbing=function(t,e,i){return!this.demuxer||!this.remuxer||e||i},e.getDecrypter=function(){var t=this.decrypter;return t||(t=this.decrypter=new a.a(this.observer,this.config)),t},t}();var rt=function(t){return{remuxResult:{},chunkMeta:t}};function nt(t){return"then"in t&&t.then instanceof Function}var at=function(t,e,i,r,n){this.audioCodec=void 0,this.videoCodec=void 0,this.initSegmentData=void 0,this.duration=void 0,this.defaultInitPts=void 0,this.audioCodec=t,this.videoCodec=e,this.initSegmentData=i,this.duration=r,this.defaultInitPts=n},st=function(t,e,i,r,n,a){this.discontinuity=void 0,this.contiguous=void 0,this.accurateTimeOffset=void 0,this.trackSwitch=void 0,this.timeOffset=void 0,this.initSegmentChange=void 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t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,i,r){return t.box(t.types.moof,t.mfhd(e),t.traf(r,i))},t.moov=function(e){for(var i=e.length,r=[];i--;)r[i]=t.trak(e[i]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(r).concat(t.mvex(e)))},t.mvex=function(e){for(var i=e.length,r=[];i--;)r[i]=t.trex(e[i]);return t.box.apply(null,[t.types.mvex].concat(r))},t.mvhd=function(e,i){i*=e;var r=Math.floor(i/(a+1)),n=Math.floor(i%(a+1)),s=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,r>>24,r>>16&255,r>>8&255,255&r,n>>24,n>>16&255,n>>8&255,255&n,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,s)},t.sdtp=function(e){var i,r,n=e.samples||[],a=new Uint8Array(4+n.length);for(i=0;i<n.length;i++)r=n[i].flags,a[i+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return t.box(t.types.sdtp,a)},t.stbl=function(e){return t.box(t.types.stbl,t.stsd(e),t.box(t.types.stts,t.STTS),t.box(t.types.stsc,t.STSC),t.box(t.types.stsz,t.STSZ),t.box(t.types.stco,t.STCO))},t.avc1=function(e){var i,r,n,a=[],s=[];for(i=0;i<e.sps.length;i++)n=(r=e.sps[i]).byteLength,a.push(n>>>8&255),a.push(255&n),a=a.concat(Array.prototype.slice.call(r));for(i=0;i<e.pps.length;i++)n=(r=e.pps[i]).byteLength,s.push(n>>>8&255),s.push(255&n),s=s.concat(Array.prototype.slice.call(r));var o=t.box(t.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|e.sps.length].concat(a).concat([e.pps.length]).concat(s))),l=e.width,u=e.height,h=e.pixelRatio[0],d=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,t.box(t.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),t.box(t.types.pasp,new Uint8Array([h>>24,h>>16&255,h>>8&255,255&h,d>>24,d>>16&255,d>>8&255,255&d])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var i=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,i>>8&255,255&i,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var i=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,i>>8&255,255&i,0,0]))},t.stsd=function(e){return"audio"===e.type?"mp3"===e.segmentCodec&&"mp3"===e.codec?t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var i=e.id,r=e.duration*e.timescale,n=e.width,s=e.height,o=Math.floor(r/(a+1)),l=Math.floor(r%(a+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,i>>24&255,i>>16&255,i>>8&255,255&i,0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,l>>24,l>>16&255,l>>8&255,255&l,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,n>>8&255,255&n,0,0,s>>8&255,255&s,0,0]))},t.traf=function(e,i){var r=t.sdtp(e),n=e.id,s=Math.floor(i/(a+1)),o=Math.floor(i%(a+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o])),t.trun(e,r.length+16+20+8+16+8+8),r)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var i=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,i){var r,n,a,s,o,l,u=e.samples||[],h=u.length,d=12+16*h,c=new Uint8Array(d);for(i+=8+d,c.set(["video"===e.type?1:0,0,15,1,h>>>24&255,h>>>16&255,h>>>8&255,255&h,i>>>24&255,i>>>16&255,i>>>8&255,255&i],0),r=0;r<h;r++)a=(n=u[r]).duration,s=n.size,o=n.flags,l=n.cts,c.set([a>>>24&255,a>>>16&255,a>>>8&255,255&a,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*r);return t.box(t.types.trun,c)},t.initSegment=function(e){t.types||t.init();var i=t.moov(e),r=new Uint8Array(t.FTYP.byteLength+i.byteLength);return r.set(t.FTYP),r.set(i,t.FTYP.byteLength),r},t}();s.types=void 0,s.HDLR_TYPES=void 0,s.STTS=void 0,s.STSC=void 0,s.STCO=void 0,s.STSZ=void 0,s.VMHD=void 0,s.SMHD=void 0,s.STSD=void 0,s.FTYP=void 0,s.DINF=void 0;var o=s,l=i(0),u=i(2),h=i(1),d=i(4),c=i(11);function f(){return(f=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}var g=null,v=null,p=function(){function t(t,e,i,r){if(void 0===r&&(r=""),this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.ISGenerated=!1,this._initPTS=void 0,this._initDTS=void 0,this.nextAvcDts=null,this.nextAudioPts=null,this.videoSampleDuration=null,this.isAudioContiguous=!1,this.isVideoContiguous=!1,this.observer=t,this.config=e,this.typeSupported=i,this.ISGenerated=!1,null===g){var n=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);g=n?parseInt(n[1]):0}if(null===v){var a=navigator.userAgent.match(/Safari\/(\d+)/i);v=a?parseInt(a[1]):0}}var e=t.prototype;return e.destroy=function(){},e.resetTimeStamp=function(t){h.b.log("[mp4-remuxer]: initPTS & initDTS reset"),this._initPTS=this._initDTS=t},e.resetNextTimestamp=function(){h.b.log("[mp4-remuxer]: reset next timestamp"),this.isVideoContiguous=!1,this.isAudioContiguous=!1},e.resetInitSegment=function(){h.b.log("[mp4-remuxer]: ISGenerated flag reset"),this.ISGenerated=!1},e.getVideoStartPts=function(t){var e=!1,i=t.reduce((function(t,i){var r=i.pts-t;return r<-4294967296?(e=!0,m(t,i.pts)):r>0?t:i.pts}),t[0].pts);return e&&h.b.debug("PTS rollover detected"),i},e.remux=function(t,e,i,r,n,a,s,o){var l,u,c,f,g,v,p=n,b=n,E=t.pid>-1,S=e.pid>-1,L=e.samples.length,A=t.samples.length>0,D=s&&L>0||L>1;if((!E||A)&&(!S||D)||this.ISGenerated||s){this.ISGenerated||(c=this.generateIS(t,e,n));var R,k=this.isVideoContiguous,_=-1;if(D&&(_=function(t){for(var e=0;e<t.length;e++)if(t[e].key)return e;return-1}(e.samples),!k&&this.config.forceKeyFrameOnDiscontinuity))if(v=!0,_>0){h.b.warn("[mp4-remuxer]: Dropped "+_+" out of "+L+" video samples due to a missing keyframe");var I=this.getVideoStartPts(e.samples);e.samples=e.samples.slice(_),e.dropped+=_,R=b+=(e.samples[0].pts-I)/e.inputTimeScale}else-1===_&&(h.b.warn("[mp4-remuxer]: No keyframe found out of "+L+" video samples"),v=!1);if(this.ISGenerated){if(A&&D){var O=this.getVideoStartPts(e.samples),C=(m(t.samples[0].pts,O)-O)/e.inputTimeScale;p+=Math.max(0,C),b+=Math.max(0,-C)}if(A){if(t.samplerate||(h.b.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),c=this.generateIS(t,e,n)),u=this.remuxAudio(t,p,this.isAudioContiguous,a,S||D||o===d.b.AUDIO?b:void 0),D){var w=u?u.endPTS-u.startPTS:0;e.inputTimeScale||(h.b.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),c=this.generateIS(t,e,n)),l=this.remuxVideo(e,b,k,w)}}else D&&(l=this.remuxVideo(e,b,k,0));l&&(l.firstKeyFrame=_,l.independent=-1!==_,l.firstKeyFramePTS=R)}}return this.ISGenerated&&(i.samples.length&&(g=y(i,n,this._initPTS,this._initDTS)),r.samples.length&&(f=T(r,n,this._initPTS))),{audio:u,video:l,initSegment:c,independent:v,text:f,id3:g}},e.generateIS=function(t,e,i){var n,a,s,l=t.samples,u=e.samples,h=this.typeSupported,d={},c=!Object(r.a)(this._initPTS),f="audio/mp4";if(c&&(n=a=1/0),t.config&&l.length){switch(t.timescale=t.samplerate,t.segmentCodec){case"mp3":h.mpeg?(f="audio/mpeg",t.codec=""):h.mp3&&(t.codec="mp3")}d.audio={id:"audio",container:f,codec:t.codec,initSegment:"mp3"===t.segmentCodec&&h.mpeg?new Uint8Array(0):o.initSegment([t]),metadata:{channelCount:t.channelCount}},c&&(s=t.inputTimeScale,n=a=l[0].pts-Math.round(s*i))}if(e.sps&&e.pps&&u.length&&(e.timescale=e.inputTimeScale,d.video={id:"main",container:"video/mp4",codec:e.codec,initSegment:o.initSegment([e]),metadata:{width:e.width,height:e.height}},c)){s=e.inputTimeScale;var g=this.getVideoStartPts(u),v=Math.round(s*i);a=Math.min(a,m(u[0].dts,g)-v),n=Math.min(n,g-v)}if(Object.keys(d).length)return this.ISGenerated=!0,c&&(this._initPTS=n,this._initDTS=a),{tracks:d,initPTS:n,timescale:s}},e.remuxVideo=function(t,e,i,r){var n,a,s=t.inputTimeScale,d=t.samples,p=[],y=d.length,T=this._initPTS,E=this.nextAvcDts,S=8,L=this.videoSampleDuration,A=Number.POSITIVE_INFINITY,D=Number.NEGATIVE_INFINITY,R=!1;i&&null!==E||(E=e*s-(d[0].pts-m(d[0].dts,d[0].pts)));for(var k=0;k<y;k++){var _=d[k];_.pts=m(_.pts-T,E),_.dts=m(_.dts-T,E),_.dts<d[k>0?k-1:k].dts&&(R=!0)}R&&d.sort((function(t,e){var i=t.dts-e.dts,r=t.pts-e.pts;return i||r})),n=d[0].dts;var I=(a=d[d.length-1].dts)-n,O=I?Math.round(I/(y-1)):L||t.inputTimeScale/30;if(i){var C=n-E,w=C>O;if(w||C<-1){w?h.b.warn("AVC: "+Object(c.b)(C,!0)+" ms ("+C+"dts) hole between fragments detected, filling it"):h.b.warn("AVC: "+Object(c.b)(-C,!0)+" ms ("+C+"dts) overlapping between fragments detected"),n=E;var x=d[0].pts-C;d[0].dts=n,d[0].pts=x,h.b.log("Video: First PTS/DTS adjusted: "+Object(c.b)(x,!0)+"/"+Object(c.b)(n,!0)+", delta: "+Object(c.b)(C,!0)+" ms")}}n=Math.max(0,n);for(var P=0,F=0,M=0;M<y;M++){for(var N=d[M],U=N.units,B=U.length,G=0,j=0;j<B;j++)G+=U[j].data.length;F+=G,P+=B,N.length=G,N.dts=Math.max(N.dts,n),A=Math.min(N.pts,A),D=Math.max(N.pts,D)}a=d[y-1].dts;var K,H=F+4*P+8;try{K=new Uint8Array(H)}catch(t){return void this.observer.emit(l.a.ERROR,l.a.ERROR,{type:u.b.MUX_ERROR,details:u.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:H,reason:"fail allocating video mdat "+H})}var V=new DataView(K.buffer);V.setUint32(0,H),K.set(o.types.mdat,4);for(var W=!1,Y=Number.POSITIVE_INFINITY,q=Number.POSITIVE_INFINITY,z=Number.NEGATIVE_INFINITY,X=Number.NEGATIVE_INFINITY,Q=0;Q<y;Q++){for(var $=d[Q],J=$.units,Z=0,tt=0,et=J.length;tt<et;tt++){var it=J[tt],rt=it.data,nt=it.data.byteLength;V.setUint32(S,nt),S+=4,K.set(rt,S),S+=nt,Z+=4+nt}var at=void 0;if(Q<y-1)L=d[Q+1].dts-$.dts,at=d[Q+1].pts-$.pts;else{var st=this.config,ot=Q>0?$.dts-d[Q-1].dts:O;if(at=Q>0?$.pts-d[Q-1].pts:O,st.stretchShortVideoTrack&&null!==this.nextAudioPts){var lt=Math.floor(st.maxBufferHole*s),ut=(r?A+r*s:this.nextAudioPts)-$.pts;ut>lt?((L=ut-ot)<0?L=ot:W=!0,h.b.log("[mp4-remuxer]: It is approximately "+ut/90+" ms to the next segment; using duration "+L/90+" ms for the last video frame.")):L=ot}else L=ot}var ht=Math.round($.pts-$.dts);Y=Math.min(Y,L),z=Math.max(z,L),q=Math.min(q,at),X=Math.max(X,at),p.push(new b($.key,L,Z,ht))}if(p.length)if(g){if(g<70){var dt=p[0].flags;dt.dependsOn=2,dt.isNonSync=0}}else if(v&&X-q<z-Y&&O/z<.025&&0===p[0].cts){h.b.warn("Found irregular gaps in sample duration. Using PTS instead of DTS to determine MP4 sample duration.");for(var ct=n,ft=0,gt=p.length;ft<gt;ft++){var vt=ct+p[ft].duration,pt=ct+p[ft].cts;if(ft<gt-1){var mt=vt+p[ft+1].cts;p[ft].duration=mt-pt}else p[ft].duration=ft?p[ft-1].duration:O;p[ft].cts=0,ct=vt}}L=W||!L?O:L,this.nextAvcDts=E=a+L,this.videoSampleDuration=L,this.isVideoContiguous=!0;var yt={data1:o.moof(t.sequenceNumber++,n,f({},t,{samples:p})),data2:K,startPTS:A/s,endPTS:(D+L)/s,startDTS:n/s,endDTS:E/s,type:"video",hasAudio:!1,hasVideo:!0,nb:p.length,dropped:t.dropped};return t.samples=[],t.dropped=0,yt},e.remuxAudio=function(t,e,i,r,a){var s=t.inputTimeScale,d=s/(t.samplerate?t.samplerate:s),c="aac"===t.segmentCodec?1024:1152,g=c*d,v=this._initPTS,p="mp3"===t.segmentCodec&&this.typeSupported.mpeg,y=[],T=void 0!==a,E=t.samples,S=p?0:8,L=this.nextAudioPts||-1,A=e*s;if(this.isAudioContiguous=i=i||E.length&&L>0&&(r&&Math.abs(A-L)<9e3||Math.abs(m(E[0].pts-v,A)-L)<20*g),E.forEach((function(t){t.pts=m(t.pts-v,A)})),!i||L<0){if(!(E=E.filter((function(t){return t.pts>=0}))).length)return;L=0===a?0:r&&!T?Math.max(0,A):E[0].pts}if("aac"===t.segmentCodec)for(var D=this.config.maxAudioFramesDrift,R=0,k=L;R<E.length;R++){var _=E[R],I=_.pts,O=I-k,C=Math.abs(1e3*O/s);if(O<=-D*g&&T)0===R&&(h.b.warn("Audio frame @ "+(I/s).toFixed(3)+"s overlaps nextAudioPts by "+Math.round(1e3*O/s)+" ms."),this.nextAudioPts=L=k=I);else if(O>=D*g&&C<1e4&&T){var w=Math.round(O/g);(k=I-w*g)<0&&(w--,k+=g),0===R&&(this.nextAudioPts=L=k),h.b.warn("[mp4-remuxer]: Injecting "+w+" audio frame @ "+(k/s).toFixed(3)+"s due to "+Math.round(1e3*O/s)+" ms gap.");for(var x=0;x<w;x++){var P=Math.max(k,0),F=n.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);F||(h.b.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),F=_.unit.subarray()),E.splice(R,0,{unit:F,pts:P}),k+=g,R++}}_.pts=k,k+=g}for(var M,N=null,U=null,B=0,G=E.length;G--;)B+=E[G].unit.byteLength;for(var j=0,K=E.length;j<K;j++){var H=E[j],V=H.unit,W=H.pts;if(null!==U){y[j-1].duration=Math.round((W-U)/d)}else{if(i&&"aac"===t.segmentCodec&&(W=L),N=W,!(B>0))return;B+=S;try{M=new Uint8Array(B)}catch(t){return void this.observer.emit(l.a.ERROR,l.a.ERROR,{type:u.b.MUX_ERROR,details:u.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:B,reason:"fail allocating audio mdat "+B})}p||(new DataView(M.buffer).setUint32(0,B),M.set(o.types.mdat,4))}M.set(V,S);var Y=V.byteLength;S+=Y,y.push(new b(!0,c,Y,0)),U=W}var q=y.length;if(q){var z=y[y.length-1];this.nextAudioPts=L=U+d*z.duration;var X=p?new Uint8Array(0):o.moof(t.sequenceNumber++,N/d,f({},t,{samples:y}));t.samples=[];var Q=N/s,$=L/s,J={data1:X,data2:M,startPTS:Q,endPTS:$,startDTS:Q,endDTS:$,type:"audio",hasAudio:!0,hasVideo:!1,nb:q};return this.isAudioContiguous=!0,J}},e.remuxEmptyAudio=function(t,e,i,r){var a=t.inputTimeScale,s=a/(t.samplerate?t.samplerate:a),o=this.nextAudioPts,l=(null!==o?o:r.startDTS*a)+this._initDTS,u=r.endDTS*a+this._initDTS,d=1024*s,c=Math.ceil((u-l)/d),f=n.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(h.b.warn("[mp4-remuxer]: remux empty Audio"),f){for(var g=[],v=0;v<c;v++){var p=l+v*d;g.push({unit:f,pts:p,dts:p})}return t.samples=g,this.remuxAudio(t,e,i,!1)}h.b.trace("[mp4-remuxer]: Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec")},t}();function m(t,e){var i;if(null===e)return t;for(i=e<t?-8589934592:8589934592;Math.abs(t-e)>4294967296;)t+=i;return t}function y(t,e,i,r){var n=t.samples.length;if(n){for(var a=t.inputTimeScale,s=0;s<n;s++){var o=t.samples[s];o.pts=m(o.pts-i,e*a)/a,o.dts=m(o.dts-r,e*a)/a}var l=t.samples;return t.samples=[],{samples:l}}}function T(t,e,i){var r=t.samples.length;if(r){for(var n=t.inputTimeScale,a=0;a<r;a++){var 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e=this.loaders[t];e&&e.destroy(),this.resetInternalLoader(t)}},e.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},e.onManifestLoading=function(t,e){var i=e.url;this.load({id:null,groupId:null,level:0,responseType:"text",type:w.a.MANIFEST,url:i,deliveryDirectives:null})},e.onLevelLoading=function(t,e){var i=e.id,r=e.level,n=e.url,a=e.deliveryDirectives;this.load({id:i,groupId:null,level:r,responseType:"text",type:w.a.LEVEL,url:n,deliveryDirectives:a})},e.onAudioTrackLoading=function(t,e){var i=e.id,r=e.groupId,n=e.url,a=e.deliveryDirectives;this.load({id:i,groupId:r,level:null,responseType:"text",type:w.a.AUDIO_TRACK,url:n,deliveryDirectives:a})},e.onSubtitleTrackLoading=function(t,e){var i=e.id,r=e.groupId,n=e.url,a=e.deliveryDirectives;this.load({id:i,groupId:r,level:null,responseType:"text",type:w.a.SUBTITLE_TRACK,url:n,deliveryDirectives:a})},e.load=function(t){var e,i,r,n,a,s,o=this.hls.config,u=this.getInternalLoader(t);if(u){var h=u.context;if(h&&h.url===t.url)return void l.b.trace("[playlist-loader]: playlist request ongoing");l.b.log("[playlist-loader]: aborting previous loader for type: "+t.type),u.abort()}switch(t.type){case w.a.MANIFEST:i=o.manifestLoadingMaxRetry,r=o.manifestLoadingTimeOut,n=o.manifestLoadingRetryDelay,a=o.manifestLoadingMaxRetryTimeout;break;case w.a.LEVEL:case w.a.AUDIO_TRACK:case w.a.SUBTITLE_TRACK:i=0,r=o.levelLoadingTimeOut;break;default:i=o.levelLoadingMaxRetry,r=o.levelLoadingTimeOut,n=o.levelLoadingRetryDelay,a=o.levelLoadingMaxRetryTimeout}if((u=this.createInternalLoader(t),null!==(e=t.deliveryDirectives)&&void 0!==e&&e.part)&&(t.type===w.a.LEVEL&&null!==t.level?s=this.hls.levels[t.level].details:t.type===w.a.AUDIO_TRACK&&null!==t.id?s=this.hls.audioTracks[t.id].details:t.type===w.a.SUBTITLE_TRACK&&null!==t.id&&(s=this.hls.subtitleTracks[t.id].details),s)){var d=s.partTarget,c=s.targetduration;d&&c&&(r=Math.min(1e3*Math.max(3*d,.8*c),r))}var f={timeout:r,maxRetry:i,retryDelay:n,maxRetryDelay:a,highWaterMark:0},g={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};u.load(t,f,g)},e.loadsuccess=function(t,e,i,r){if(void 0===r&&(r=null),i.isSidxRequest)return this.handleSidxRequest(t,i),void this.handlePlaylistLoaded(t,e,i,r);this.resetInternalLoader(i.type);var n=t.data;0===n.indexOf("#EXTM3U")?(e.parsing.start=performance.now(),n.indexOf("#EXTINF:")>0||n.indexOf("#EXT-X-TARGETDURATION:")>0?this.handleTrackOrLevelPlaylist(t,e,i,r):this.handleMasterPlaylist(t,e,i,r)):this.handleManifestParsingError(t,i,"no EXTM3U delimiter",r)},e.loaderror=function(t,e,i){void 0===i&&(i=null),this.handleNetworkError(e,i,!1,t)},e.loadtimeout=function(t,e,i){void 0===i&&(i=null),this.handleNetworkError(e,i,!0)},e.handleMasterPlaylist=function(t,e,i,r){var n=this.hls,a=t.data,o=x(t,i),u=k.parseMasterPlaylist(a,o),h=u.levels,d=u.sessionData;if(h.length){var f=h.map((function(t){return{id:t.attrs.AUDIO,audioCodec:t.audioCodec}})),g=h.map((function(t){return{id:t.attrs.SUBTITLES,textCodec:t.textCodec}})),v=k.parseMasterPlaylistMedia(a,o,"AUDIO",f),p=k.parseMasterPlaylistMedia(a,o,"SUBTITLES",g),m=k.parseMasterPlaylistMedia(a,o,"CLOSED-CAPTIONS");if(v.length)v.some((function(t){return!t.url}))||!h[0].audioCodec||h[0].attrs.AUDIO||(l.b.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),v.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1,attrs:new c({}),bitrate:0,url:""}));n.trigger(s.a.MANIFEST_LOADED,{levels:h,audioTracks:v,subtitles:p,captions:m,url:o,stats:e,networkDetails:r,sessionData:d})}else this.handleManifestParsingError(t,i,"no level found in manifest",r)},e.handleTrackOrLevelPlaylist=function(t,e,i,r){var n=this.hls,l=i.id,u=i.level,h=i.type,d=x(t,i),f=Object(a.a)(l)?l:0,g=Object(a.a)(u)?u:f,v=function(t){switch(t.type){case w.a.AUDIO_TRACK:return w.b.AUDIO;case w.a.SUBTITLE_TRACK:return w.b.SUBTITLE;default:return w.b.MAIN}}(i),p=k.parseLevelPlaylist(t.data,d,g,v,f);if(p.fragments.length){if(h===w.a.MANIFEST){var m={attrs:new c({}),bitrate:0,details:p,name:"",url:d};n.trigger(s.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:d,stats:e,networkDetails:r,sessionData:null})}if(e.parsing.end=performance.now(),p.needSidxRanges){var y,T=null===(y=p.fragments[0].initSegment)||void 0===y?void 0:y.url;this.load({url:T,isSidxRequest:!0,type:h,level:u,levelDetails:p,id:l,groupId:null,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer",deliveryDirectives:null})}else i.levelDetails=p,this.handlePlaylistLoaded(t,e,i,r)}else n.trigger(s.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.LEVEL_EMPTY_ERROR,fatal:!1,url:d,reason:"no fragments found in level",level:"number"==typeof i.level?i.level:void 0})},e.handleSidxRequest=function(t,e){var i=new Uint8Array(t.data),r=Object(u.c)(i,["sidx"])[0];if(r){var n=Object(u.k)(r);if(n){var a=n.references,s=e.levelDetails;a.forEach((function(t,e){var r=t.info,n=s.fragments[e];if(0===n.byteRange.length&&n.setByteRange(String(1+r.end-r.start)+"@"+String(r.start)),n.initSegment){var a=Object(u.c)(i,["moov"])[0],o=a?a.length:null;n.initSegment.setByteRange(String(o)+"@0")}}))}}},e.handleManifestParsingError=function(t,e,i,r){this.hls.trigger(s.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.MANIFEST_PARSING_ERROR,fatal:e.type===w.a.MANIFEST,url:t.url,reason:i,response:t,context:e,networkDetails:r})},e.handleNetworkError=function(t,e,i,r){void 0===i&&(i=!1),l.b.warn("[playlist-loader]: A network "+(i?"timeout":"error")+" occurred while loading "+t.type+" level: "+t.level+" id: "+t.id+' group-id: "'+t.groupId+'"');var n=o.a.UNKNOWN,a=!1,u=this.getInternalLoader(t);switch(t.type){case w.a.MANIFEST:n=i?o.a.MANIFEST_LOAD_TIMEOUT:o.a.MANIFEST_LOAD_ERROR,a=!0;break;case w.a.LEVEL:n=i?o.a.LEVEL_LOAD_TIMEOUT:o.a.LEVEL_LOAD_ERROR,a=!1;break;case w.a.AUDIO_TRACK:n=i?o.a.AUDIO_TRACK_LOAD_TIMEOUT:o.a.AUDIO_TRACK_LOAD_ERROR,a=!1;break;case w.a.SUBTITLE_TRACK:n=i?o.a.SUBTITLE_TRACK_LOAD_TIMEOUT:o.a.SUBTITLE_LOAD_ERROR,a=!1}u&&this.resetInternalLoader(t.type);var h={type:o.b.NETWORK_ERROR,details:n,fatal:a,url:t.url,loader:u,context:t,networkDetails:e};r&&(h.response=r),this.hls.trigger(s.a.ERROR,h)},e.handlePlaylistLoaded=function(t,e,i,r){var n=i.type,a=i.level,o=i.id,l=i.groupId,u=i.loader,h=i.levelDetails,d=i.deliveryDirectives;if(null!=h&&h.targetduration){if(u)switch(h.live&&(u.getCacheAge&&(h.ageHeader=u.getCacheAge()||0),u.getCacheAge&&!isNaN(h.ageHeader)||(h.ageHeader=0)),n){case w.a.MANIFEST:case w.a.LEVEL:this.hls.trigger(s.a.LEVEL_LOADED,{details:h,level:a||0,id:o||0,stats:e,networkDetails:r,deliveryDirectives:d});break;case w.a.AUDIO_TRACK:this.hls.trigger(s.a.AUDIO_TRACK_LOADED,{details:h,id:o||0,groupId:l||"",stats:e,networkDetails:r,deliveryDirectives:d});break;case w.a.SUBTITLE_TRACK:this.hls.trigger(s.a.SUBTITLE_TRACK_LOADED,{details:h,id:o||0,groupId:l||"",stats:e,networkDetails:r,deliveryDirectives:d})}}else this.handleManifestParsingError(t,i,"invalid target duration",r)},t}(),F=function(){function t(t){this.hls=void 0,this.loaders={},this.decryptkey=null,this.decrypturl=null,this.hls=t,this.registerListeners()}var e=t.prototype;return e.startLoad=function(t){},e.stopLoad=function(){this.destroyInternalLoaders()},e.registerListeners=function(){this.hls.on(s.a.KEY_LOADING,this.onKeyLoading,this)},e.unregisterListeners=function(){this.hls.off(s.a.KEY_LOADING,this.onKeyLoading)},e.destroyInternalLoaders=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={}},e.destroy=function(){this.unregisterListeners(),this.destroyInternalLoaders()},e.onKeyLoading=function(t,e){var i=e.frag,r=i.type,n=this.loaders[r];if(i.decryptdata){var a=i.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var o=this.hls.config;if(n&&(l.b.warn("abort previous key loader for type:"+r),n.abort()),!a)return void l.b.warn("key uri is falsy");var u=o.loader,h=i.loader=this.loaders[r]=new u(o);this.decrypturl=a,this.decryptkey=null;var d={url:a,frag:i,responseType:"arraybuffer"},c={timeout:o.fragLoadingTimeOut,maxRetry:0,retryDelay:o.fragLoadingRetryDelay,maxRetryDelay:o.fragLoadingMaxRetryTimeout,highWaterMark:0},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};h.load(d,c,f)}else this.decryptkey&&(i.decryptdata.key=this.decryptkey,this.hls.trigger(s.a.KEY_LOADED,{frag:i}))}else l.b.warn("Missing decryption data on fragment in onKeyLoading")},e.loadsuccess=function(t,e,i){var r=i.frag;r.decryptdata?(this.decryptkey=r.decryptdata.key=new Uint8Array(t.data),r.loader=null,delete this.loaders[r.type],this.hls.trigger(s.a.KEY_LOADED,{frag:r})):l.b.error("after key load, decryptdata unset")},e.loaderror=function(t,e){var i=e.frag,r=i.loader;r&&r.abort(),delete this.loaders[i.type],this.hls.trigger(s.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_ERROR,fatal:!1,frag:i,response:t})},e.loadtimeout=function(t,e){var i=e.frag,r=i.loader;r&&r.abort(),delete this.loaders[i.type],this.hls.trigger(s.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:i})},t}();function M(t,e){var i;try{i=new Event("addtrack")}catch(t){(i=document.createEvent("Event")).initEvent("addtrack",!1,!1)}i.track=t,e.dispatchEvent(i)}function N(t,e){var i=t.mode;if("disabled"===i&&(t.mode="hidden"),t.cues&&!t.cues.getCueById(e.id))try{if(t.addCue(e),!t.cues.getCueById(e.id))throw new Error("addCue is failed for: "+e)}catch(i){l.b.debug("[texttrack-utils]: "+i);var r=new self.TextTrackCue(e.startTime,e.endTime,e.text);r.id=e.id,t.addCue(r)}"disabled"===i&&(t.mode=i)}function U(t){var e=t.mode;if("disabled"===e&&(t.mode="hidden"),t.cues)for(var i=t.cues.length;i--;)t.removeCue(t.cues[i]);"disabled"===e&&(t.mode=e)}function B(t,e,i,r){var n=t.mode;if("disabled"===n&&(t.mode="hidden"),t.cues&&t.cues.length>0)for(var a=function(t,e,i){var r=[],n=function(t,e){if(e<t[0].startTime)return 0;var i=t.length-1;if(e>t[i].endTime)return-1;var r=0,n=i;for(;r<=n;){var a=Math.floor((n+r)/2);if(e<t[a].startTime)n=a-1;else{if(!(e>t[a].startTime&&r<i))return a;r=a+1}}return t[r].startTime-e<e-t[n].startTime?r:n}(t,e);if(n>-1)for(var a=n,s=t.length;a<s;a++){var o=t[a];if(o.startTime>=e&&o.endTime<=i)r.push(o);else if(o.startTime>i)return r}return r}(t.cues,e,i),s=0;s<a.length;s++)r&&!r(a[s])||t.removeCue(a[s]);"disabled"===n&&(t.mode=n)}var G=i(7),j=i(8);function K(){return self.WebKitDataCue||self.VTTCue||self.TextTrackCue}function H(t,e){return t.getTime()/1e3-e}var V=function(){function t(t){this.hls=void 0,this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.hls=t,this._registerListeners()}var e=t.prototype;return e.destroy=function(){this._unregisterListeners(),this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.hls=null},e._registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),t.on(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(s.a.LEVEL_UPDATED,this.onLevelUpdated,this)},e._unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),t.off(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(s.a.LEVEL_UPDATED,this.onLevelUpdated,this)},e.onMediaAttached=function(t,e){this.media=e.media},e.onMediaDetaching=function(){this.id3Track&&(U(this.id3Track),this.id3Track=null,this.media=null,this.dateRangeCuesAppended={})},e.onManifestLoading=function(){this.dateRangeCuesAppended={}},e.createTrack=function(t){var e=this.getID3Track(t.textTracks);return e.mode="hidden",e},e.getID3Track=function(t){if(this.media){for(var e=0;e<t.length;e++){var i=t[e];if("metadata"===i.kind&&"id3"===i.label)return M(i,this.media),i}return this.media.addTextTrack("metadata","id3")}},e.onFragParsingMetadata=function(t,e){if(this.media){var i=this.hls.config,r=i.enableEmsgMetadataCues,n=i.enableID3MetadataCues;if(r||n){var a=e.frag,s=e.samples,o=e.details;this.id3Track||(this.id3Track=this.createTrack(this.media));for(var l=o.edge||a.end,u=K(),h=!1,d={},c=0;c<s.length;c++){var f=s[c].type;if((f!==j.a.emsg||r)&&n){var g=G.c(s[c].data);if(g){var v=s[c].pts,p=l;p-v<=0&&(p=v+.25);for(var m=0;m<g.length;m++){var y=g[m];if(!G.e(y)){var T=new u(v,p,"");T.value=y,f&&(T.type=f),this.id3Track.addCue(T),d[y.key]=null,h=!0}}}}}h&&this.updateId3CueEnds(d)}}},e.updateId3CueEnds=function(t){var e,i=null===(e=this.id3Track)||void 0===e?void 0:e.cues;if(i)for(var r=i.length;r--;){var n,a=i[r],s=null===(n=a.value)||void 0===n?void 0:n.key;if(s&&s in t){var o=t[s];o&&a.endTime!==o&&(a.endTime=o),t[s]=a.startTime}}},e.onBufferFlushing=function(t,e){var i=e.startOffset,r=e.endOffset,n=e.type,a=this.id3Track,s=this.hls;if(s){var o=s.config,l=o.enableEmsgMetadataCues,u=o.enableID3MetadataCues;if(a&&(l||u))B(a,i,r,"audio"===n?function(t){return t.type===j.a.audioId3&&u}:"video"===n?function(t){return t.type===j.a.emsg&&l}:function(t){return t.type===j.a.audioId3&&u||t.type===j.a.emsg&&l})}},e.onLevelUpdated=function(t,e){var i=this,n=e.details;if(this.media&&n.hasProgramDateTime&&this.hls.config.enableDateRangeMetadataCues){var s=this.dateRangeCuesAppended,o=this.id3Track,l=n.dateRanges,u=Object.keys(l);if(o)for(var h=Object.keys(s).filter((function(t){return!u.includes(t)})),d=function(t){var e=h[t];Object.keys(s[e].cues).forEach((function(t){o.removeCue(s[e].cues[t])})),delete s[e]},c=h.length;c--;)d(c);var f=n.fragments[n.fragments.length-1];if(0!==u.length&&Object(a.a)(null==f?void 0:f.programDateTime)){this.id3Track||(this.id3Track=this.createTrack(this.media));for(var g=f.programDateTime/1e3-f.start,v=n.edge||f.end,p=K(),m=function(t){var e=u[t],n=l[e],a=s[e],o=(null==a?void 0:a.cues)||{},h=(null==a?void 0:a.durationKnown)||!1,d=H(n.startDate,g),c=v,f=n.endDate;if(f)c=H(f,g),h=!0;else if(n.endOnNext&&!h){var m=u.reduce((function(t,e){var i=l[e];return i.class===n.class&&i.id!==e&&i.startDate>n.startDate&&t.push(i),t}),[]).sort((function(t,e){return t.startDate.getTime()-e.startDate.getTime()}))[0];m&&(c=H(m.startDate,g),h=!0)}for(var y,T=Object.keys(n.attr),b=0;b<T.length;b++){var E=T[b];if(E!==r.ID&&E!==r.CLASS&&E!==r.START_DATE&&E!==r.DURATION&&E!==r.END_DATE&&E!==r.END_ON_NEXT){var S=o[E];if(S)h&&!a.durationKnown&&(S.endTime=c);else{var L=n.attr[E];S=new p(d,c,""),E!==r.SCTE35_OUT&&E!==r.SCTE35_IN||(y=L,L=Uint8Array.from(y.replace(/^0x/,"").replace(/([\da-fA-F]{2}) ?/g,"0x$1 ").replace(/ +$/,"").split(" ")).buffer),S.value={key:E,data:L},S.type=j.a.dateRange,i.id3Track.addCue(S),o[E]=S}}}s[e]={cues:o,dateRange:n,durationKnown:h}},y=0;y<u.length;y++)m(y)}}},t}();function W(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var Y,q=function(){function t(t){var e=this;this.hls=void 0,this.config=void 0,this.media=null,this.levelDetails=null,this.currentTime=0,this.stallCount=0,this._latency=null,this.timeupdateHandler=function(){return e.timeupdate()},this.hls=t,this.config=t.config,this.registerListeners()}var e,i,r,n=t.prototype;return n.destroy=function(){this.unregisterListeners(),this.onMediaDetaching(),this.levelDetails=null,this.hls=this.timeupdateHandler=null},n.registerListeners=function(){this.hls.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),this.hls.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),this.hls.on(s.a.LEVEL_UPDATED,this.onLevelUpdated,this),this.hls.on(s.a.ERROR,this.onError,this)},n.unregisterListeners=function(){this.hls.off(s.a.MEDIA_ATTACHED,this.onMediaAttached),this.hls.off(s.a.MEDIA_DETACHING,this.onMediaDetaching),this.hls.off(s.a.MANIFEST_LOADING,this.onManifestLoading),this.hls.off(s.a.LEVEL_UPDATED,this.onLevelUpdated),this.hls.off(s.a.ERROR,this.onError)},n.onMediaAttached=function(t,e){this.media=e.media,this.media.addEventListener("timeupdate",this.timeupdateHandler)},n.onMediaDetaching=function(){this.media&&(this.media.removeEventListener("timeupdate",this.timeupdateHandler),this.media=null)},n.onManifestLoading=function(){this.levelDetails=null,this._latency=null,this.stallCount=0},n.onLevelUpdated=function(t,e){var i=e.details;this.levelDetails=i,i.advanced&&this.timeupdate(),!i.live&&this.media&&this.media.removeEventListener("timeupdate",this.timeupdateHandler)},n.onError=function(t,e){e.details===o.a.BUFFER_STALLED_ERROR&&(this.stallCount++,l.b.warn("[playback-rate-controller]: Stall detected, adjusting target latency"))},n.timeupdate=function(){var t=this.media,e=this.levelDetails;if(t&&e){this.currentTime=t.currentTime;var i=this.computeLatency();if(null!==i){this._latency=i;var r=this.config,n=r.lowLatencyMode,a=r.maxLiveSyncPlaybackRate;if(n&&1!==a){var s=this.targetLatency;if(null!==s){var o=i-s,l=o<Math.min(this.maxLatency,s+e.targetduration);if(e.live&&l&&o>.05&&this.forwardBufferLength>1){var u=Math.min(2,Math.max(1,a)),h=Math.round(2/(1+Math.exp(-.75*o-this.edgeStalled))*20)/20;t.playbackRate=Math.min(u,Math.max(1,h))}else 1!==t.playbackRate&&0!==t.playbackRate&&(t.playbackRate=1)}}}}},n.estimateLiveEdge=function(){var t=this.levelDetails;return null===t?null:t.edge+t.age},n.computeLatency=function(){var t=this.estimateLiveEdge();return null===t?null:t-this.currentTime},e=t,(i=[{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var t=this.config,e=this.levelDetails;return void 0!==t.liveMaxLatencyDuration?t.liveMaxLatencyDuration:e?t.liveMaxLatencyDurationCount*e.targetduration:0}},{key:"targetLatency",get:function(){var t=this.levelDetails;if(null===t)return null;var e=t.holdBack,i=t.partHoldBack,r=t.targetduration,n=this.config,a=n.liveSyncDuration,s=n.liveSyncDurationCount,o=n.lowLatencyMode,l=this.hls.userConfig,u=o&&i||e;(l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==a?a:s*r);var h=r;return u+Math.min(1*this.stallCount,h)}},{key:"liveSyncPosition",get:function(){var t=this.estimateLiveEdge(),e=this.targetLatency,i=this.levelDetails;if(null===t||null===e||null===i)return null;var r=i.edge,n=t-e-this.edgeStalled,a=r-i.totalduration,s=r-(this.config.lowLatencyMode&&i.partTarget||i.targetduration);return Math.min(Math.max(a,n),s)}},{key:"drift",get:function(){var t=this.levelDetails;return null===t?1:t.drift}},{key:"edgeStalled",get:function(){var t=this.levelDetails;if(null===t)return 0;var e=3*(this.config.lowLatencyMode&&t.partTarget||t.targetduration);return Math.max(t.age-e,0)}},{key:"forwardBufferLength",get:function(){var t=this.media,e=this.levelDetails;if(!t||!e)return 0;var i=t.buffered.length;return(i?t.buffered.end(i-1):e.edge)-this.currentTime}}])&&W(e.prototype,i),r&&W(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}();function z(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}!function(t){t.No="",t.Yes="YES",t.v2="v2"}(Y||(Y={}));var X=function(){function t(t,e,i){this.msn=void 0,this.part=void 0,this.skip=void 0,this.msn=t,this.part=e,this.skip=i}return t.prototype.addDirectives=function(t){var e=new self.URL(t);return void 0!==this.msn&&e.searchParams.set("_HLS_msn",this.msn.toString()),void 0!==this.part&&e.searchParams.set("_HLS_part",this.part.toString()),this.skip&&e.searchParams.set("_HLS_skip",this.skip),e.toString()},t}(),Q=function(){function t(t){this.attrs=void 0,this.audioCodec=void 0,this.bitrate=void 0,this.codecSet=void 0,this.height=void 0,this.id=void 0,this.name=void 0,this.videoCodec=void 0,this.width=void 0,this.unknownCodecs=void 0,this.audioGroupIds=void 0,this.details=void 0,this.fragmentError=0,this.loadError=0,this.loaded=void 0,this.realBitrate=0,this.textGroupIds=void 0,this.url=void 0,this._urlId=0,this.url=[t.url],this.attrs=t.attrs,this.bitrate=t.bitrate,t.details&&(this.details=t.details),this.id=t.id||0,this.name=t.name,this.width=t.width||0,this.height=t.height||0,this.audioCodec=t.audioCodec,this.videoCodec=t.videoCodec,this.unknownCodecs=t.unknownCodecs,this.codecSet=[t.videoCodec,t.audioCodec].filter((function(t){return t})).join(",").replace(/\.[^.,]+/g,"")}var e,i,r;return e=t,(i=[{key:"maxBitrate",get:function(){return Math.max(this.realBitrate,this.bitrate)}},{key:"uri",get:function(){return this.url[this._urlId]||""}},{key:"urlId",get:function(){return this._urlId},set:function(t){var e=t%this.url.length;this._urlId!==e&&(this.details=void 0,this._urlId=e)}}])&&z(e.prototype,i),r&&z(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}();function $(){return($=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}function J(t,e,i){switch(e){case"audio":t.audioGroupIds||(t.audioGroupIds=[]),t.audioGroupIds.push(i);break;case"text":t.textGroupIds||(t.textGroupIds=[]),t.textGroupIds.push(i)}}function Z(t){var e={};t.forEach((function(t){var i=t.groupId||"";t.id=e[i]=e[i]||0,e[i]++}))}function tt(t,e){var i=e.startPTS;if(Object(a.a)(i)){var r,n=0;e.sn>t.sn?(n=i-t.start,r=t):(n=t.start-i,r=e),r.duration!==n&&(r.duration=n)}else if(e.sn>t.sn){t.cc===e.cc&&t.minEndPTS?e.start=t.start+(t.minEndPTS-t.start):e.start=t.start+t.duration}else e.start=Math.max(t.start-e.duration,0)}function et(t,e,i,r,n,s){r-i<=0&&(l.b.warn("Fragment should have a positive duration",e),r=i+e.duration,s=n+e.duration);var o=i,u=r,h=e.startPTS,d=e.endPTS;if(Object(a.a)(h)){var c=Math.abs(h-i);Object(a.a)(e.deltaPTS)?e.deltaPTS=Math.max(c,e.deltaPTS):e.deltaPTS=c,o=Math.max(i,h),i=Math.min(i,h),n=Math.min(n,e.startDTS),u=Math.min(r,d),r=Math.max(r,d),s=Math.max(s,e.endDTS)}e.duration=r-i;var f=i-e.start;e.appendedPTS=r,e.start=e.startPTS=i,e.maxStartPTS=o,e.startDTS=n,e.endPTS=r,e.minEndPTS=u,e.endDTS=s;var g,v=e.sn;if(!t||v<t.startSN||v>t.endSN)return 0;var p=v-t.startSN,m=t.fragments;for(m[p]=e,g=p;g>0;g--)tt(m[g],m[g-1]);for(g=p;g<m.length-1;g++)tt(m[g],m[g+1]);return t.fragmentHint&&tt(m[m.length-1],t.fragmentHint),t.PTSKnown=t.alignedSliding=!0,f}function it(t,e){for(var i=null,r=t.fragments,n=r.length-1;n>=0;n--){var s=r[n].initSegment;if(s){i=s;break}}t.fragmentHint&&delete t.fragmentHint.endPTS;var o,u=0;(function(t,e,i){for(var r=e.skippedSegments,n=Math.max(t.startSN,e.startSN)-e.startSN,a=(t.fragmentHint?1:0)+(r?e.endSN:Math.min(t.endSN,e.endSN))-e.startSN,s=e.startSN-t.startSN,o=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,l=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,u=n;u<=a;u++){var h=l[s+u],d=o[u];r&&!d&&u<r&&(d=e.fragments[u]=h),h&&d&&i(h,d)}}(t,e,(function(t,r){t.relurl&&(u=t.cc-r.cc),Object(a.a)(t.startPTS)&&Object(a.a)(t.endPTS)&&(r.start=r.startPTS=t.startPTS,r.startDTS=t.startDTS,r.appendedPTS=t.appendedPTS,r.maxStartPTS=t.maxStartPTS,r.endPTS=t.endPTS,r.endDTS=t.endDTS,r.minEndPTS=t.minEndPTS,r.duration=t.endPTS-t.startPTS,r.duration&&(o=r),e.PTSKnown=e.alignedSliding=!0),r.elementaryStreams=t.elementaryStreams,r.loader=t.loader,r.stats=t.stats,r.urlId=t.urlId,t.initSegment&&(r.initSegment=t.initSegment,i=t.initSegment)})),i)&&(e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments).forEach((function(t){var e;t.initSegment&&t.initSegment.relurl!==(null===(e=i)||void 0===e?void 0:e.relurl)||(t.initSegment=i)}));if(e.skippedSegments)if(e.deltaUpdateFailed=e.fragments.some((function(t){return!t})),e.deltaUpdateFailed){l.b.warn("[level-helper] Previous playlist missing segments skipped in delta playlist");for(var h=e.skippedSegments;h--;)e.fragments.shift();e.startSN=e.fragments[0].sn,e.startCC=e.fragments[0].cc}else e.canSkipDateRanges&&(e.dateRanges=function(t,e,i){var r=$({},t);i&&i.forEach((function(t){delete r[t]}));return Object.keys(e).forEach((function(t){var i=new v(e[t].attr,r[t]);i.isValid?r[t]=i:l.b.warn('Ignoring invalid Playlist Delta Update DATERANGE tag: "'+JSON.stringify(e[t].attr)+'"')})),r}(t.dateRanges,e.dateRanges,e.recentlyRemovedDateranges));var d=e.fragments;if(u){l.b.warn("discontinuity sliding from playlist, take drift into account");for(var c=0;c<d.length;c++)d[c].cc+=u}e.skippedSegments&&(e.startCC=e.fragments[0].cc),function(t,e,i){if(t&&e)for(var r=0,n=0,a=t.length;n<=a;n++){var s=t[n],o=e[n+r];s&&o&&s.index===o.index&&s.fragment.sn===o.fragment.sn?i(s,o):r--}}(t.partList,e.partList,(function(t,e){e.elementaryStreams=t.elementaryStreams,e.stats=t.stats})),o?et(e,o,o.startPTS,o.endPTS,o.startDTS,o.endDTS):rt(t,e),d.length&&(e.totalduration=e.edge-d[0].start),e.driftStartTime=t.driftStartTime,e.driftStart=t.driftStart;var f=e.advancedDateTime;if(e.advanced&&f){var g=e.edge;e.driftStart||(e.driftStartTime=f,e.driftStart=g),e.driftEndTime=f,e.driftEnd=g}else e.driftEndTime=t.driftEndTime,e.driftEnd=t.driftEnd,e.advancedDateTime=t.advancedDateTime}function rt(t,e){var i=e.startSN+e.skippedSegments-t.startSN,r=t.fragments;i<0||i>=r.length||nt(e,r[i].start)}function nt(t,e){if(e){for(var i=t.fragments,r=t.skippedSegments;r<i.length;r++)i[r].start+=e;t.fragmentHint&&(t.fragmentHint.start+=e)}}var at=function(){function t(t,e){this.hls=void 0,this.timer=-1,this.canLoad=!1,this.retryCount=0,this.log=void 0,this.warn=void 0,this.log=l.b.log.bind(l.b,e+":"),this.warn=l.b.warn.bind(l.b,e+":"),this.hls=t}var e=t.prototype;return e.destroy=function(){this.clearTimer(),this.hls=this.log=this.warn=null},e.onError=function(t,e){e.fatal&&e.type===o.b.NETWORK_ERROR&&this.clearTimer()},e.clearTimer=function(){clearTimeout(this.timer),this.timer=-1},e.startLoad=function(){this.canLoad=!0,this.retryCount=0,this.loadPlaylist()},e.stopLoad=function(){this.canLoad=!1,this.clearTimer()},e.switchParams=function(t,e){var i=null==e?void 0:e.renditionReports;if(i)for(var r=0;r<i.length;r++){var n=i[r],s=""+n.URI;if(s===t.slice(-s.length)){var o=parseInt(n["LAST-MSN"]),l=parseInt(n["LAST-PART"]);if(e&&this.hls.config.lowLatencyMode){var u=Math.min(e.age-e.partTarget,e.targetduration);void 0!==l&&u>e.partTarget&&(l+=1)}if(Object(a.a)(o))return new X(o,Object(a.a)(l)?l:void 0,Y.No)}}},e.loadPlaylist=function(t){},e.shouldLoadTrack=function(t){return this.canLoad&&t&&!!t.url&&(!t.details||t.details.live)},e.playlistLoaded=function(t,e,i){var r=this,n=e.details,a=e.stats,s=a.loading.end?Math.max(0,self.performance.now()-a.loading.end):0;if(n.advancedDateTime=Date.now()-s,n.live||null!=i&&i.live){if(n.reloaded(i),i&&this.log("live playlist "+t+" "+(n.advanced?"REFRESHED "+n.lastPartSn+"-"+n.lastPartIndex:"MISSED")),i&&n.fragments.length>0&&it(i,n),!this.canLoad||!n.live)return;var o,l=void 0,u=void 0;if(n.canBlockReload&&n.endSN&&n.advanced){var h=this.hls.config.lowLatencyMode,d=n.lastPartSn,c=n.endSN,f=n.lastPartIndex,g=d===c;-1!==f?(l=g?c+1:d,u=g?h?0:f:f+1):l=c+1;var v=n.age,p=v+n.ageHeader,m=Math.min(p-n.partTarget,1.5*n.targetduration);if(m>0){if(i&&m>i.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+i.tuneInGoal+" to: "+m+" with playlist age: "+n.age),m=0;else{var y=Math.floor(m/n.targetduration);if(l+=y,void 0!==u)u+=Math.round(m%n.targetduration/n.partTarget);this.log("CDN Tune-in age: "+n.ageHeader+"s last advanced "+v.toFixed(2)+"s goal: "+m+" skip sn "+y+" to part "+u)}n.tuneInGoal=m}if(o=this.getDeliveryDirectives(n,e.deliveryDirectives,l,u),h||!g)return void this.loadPlaylist(o)}else o=this.getDeliveryDirectives(n,e.deliveryDirectives,l,u);var T=function(t,e){var i,r=1e3*t.levelTargetDuration,n=r/2,a=t.age,s=a>0&&a<3*r,o=e.loading.end-e.loading.start,l=t.availabilityDelay;if(!1===t.updated)if(s){var u=333*t.misses;i=Math.max(Math.min(n,2*o),u),t.availabilityDelay=(t.availabilityDelay||0)+i}else i=n;else s?(l=Math.min(l||r/2,a),t.availabilityDelay=l,i=l+r-a):i=r-o;return Math.round(i)}(n,a);void 0!==l&&n.canBlockReload&&(T-=n.partTarget||1),this.log("reload live playlist "+t+" in "+Math.round(T)+" ms"),this.timer=self.setTimeout((function(){return r.loadPlaylist(o)}),T)}else this.clearTimer()},e.getDeliveryDirectives=function(t,e,i,r){var n=function(t,e){var i=t.canSkipUntil,r=t.canSkipDateRanges,n=t.endSN;return i&&(void 0!==e?e-n:0)<i?r?Y.v2:Y.Yes:Y.No}(t,i);return null!=e&&e.skip&&t.deltaUpdateFailed&&(i=e.msn,r=e.part,n=Y.No),new X(i,r,n)},e.retryLoadingOrFail=function(t){var e,i=this,r=this.hls.config,n=this.retryCount<r.levelLoadingMaxRetry;if(n)if(this.retryCount++,t.details.indexOf("LoadTimeOut")>-1&&null!==(e=t.context)&&void 0!==e&&e.deliveryDirectives)this.warn("retry playlist loading #"+this.retryCount+' after "'+t.details+'"'),this.loadPlaylist();else{var a=Math.min(Math.pow(2,this.retryCount)*r.levelLoadingRetryDelay,r.levelLoadingMaxRetryTimeout);this.timer=self.setTimeout((function(){return i.loadPlaylist()}),a),this.warn("retry playlist loading #"+this.retryCount+" in "+a+' ms after "'+t.details+'"')}else this.warn('cannot recover from error "'+t.details+'"'),this.clearTimer(),t.fatal=!0;return n},t}();function st(){return(st=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}function ot(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function lt(t,e){return(lt=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var ut,ht=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),dt=function(t){var e,i;function r(e){var i;return(i=t.call(this,e,"[level-controller]")||this)._levels=[],i._firstLevel=-1,i._startLevel=void 0,i.currentLevelIndex=-1,i.manualLevelIndex=-1,i.onParsedComplete=void 0,i._registerListeners(),i}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,lt(e,i);var n,a,l,u=r.prototype;return u._registerListeners=function(){var t=this.hls;t.on(s.a.MANIFEST_LOADED,this.onManifestLoaded,this),t.on(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.on(s.a.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.on(s.a.FRAG_LOADED,this.onFragLoaded,this),t.on(s.a.ERROR,this.onError,this)},u._unregisterListeners=function(){var t=this.hls;t.off(s.a.MANIFEST_LOADED,this.onManifestLoaded,this),t.off(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.off(s.a.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.off(s.a.FRAG_LOADED,this.onFragLoaded,this),t.off(s.a.ERROR,this.onError,this)},u.destroy=function(){this._unregisterListeners(),this.manualLevelIndex=-1,this._levels.length=0,t.prototype.destroy.call(this)},u.startLoad=function(){this._levels.forEach((function(t){t.loadError=0})),t.prototype.startLoad.call(this)},u.onManifestLoaded=function(t,e){var i,r,n=[],a=[],l=[],u={},h=!1,d=!1,c=!1;if(e.levels.forEach((function(t){var e=t.attrs;h=h||!(!t.width||!t.height),d=d||!!t.videoCodec,c=c||!!t.audioCodec,ht&&t.audioCodec&&-1!==t.audioCodec.indexOf("mp4a.40.34")&&(t.audioCodec=void 0);var i=t.bitrate+"-"+t.attrs.RESOLUTION+"-"+t.attrs.CODECS;(r=u[i])?r.url.push(t.url):(r=new Q(t),u[i]=r,n.push(r)),e&&(e.AUDIO&&J(r,"audio",e.AUDIO),e.SUBTITLES&&J(r,"text",e.SUBTITLES))})),(h||d)&&c&&(n=n.filter((function(t){var e=t.videoCodec,i=t.width,r=t.height;return!!e||!(!i||!r)}))),n=n.filter((function(t){var e=t.audioCodec,i=t.videoCodec;return(!e||E(e,"audio"))&&(!i||E(i,"video"))})),e.audioTracks&&Z(a=e.audioTracks.filter((function(t){return!t.audioCodec||E(t.audioCodec,"audio")}))),e.subtitles&&Z(l=e.subtitles),n.length>0){i=n[0].bitrate,n.sort((function(t,e){return t.bitrate-e.bitrate})),this._levels=n;for(var f=0;f<n.length;f++)if(n[f].bitrate===i){this._firstLevel=f,this.log("manifest loaded, "+n.length+" level(s) found, first bitrate: "+i);break}var g=c&&!d,v={levels:n,audioTracks:a,subtitleTracks:l,firstLevel:this._firstLevel,stats:e.stats,audio:c,video:d,altAudio:!g&&a.some((function(t){return!!t.url}))};this.hls.trigger(s.a.MANIFEST_PARSED,v),(this.hls.config.autoStartLoad||this.hls.forceStartLoad)&&this.hls.startLoad(this.hls.config.startPosition)}else this.hls.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:e.url,reason:"no level with compatible codecs found in manifest"})},u.onError=function(e,i){var r;if(t.prototype.onError.call(this,e,i),!i.fatal){var n=i.context,a=this._levels[this.currentLevelIndex];if(n&&(n.type===w.a.AUDIO_TRACK&&a.audioGroupIds&&n.groupId===a.audioGroupIds[a.urlId]||n.type===w.a.SUBTITLE_TRACK&&a.textGroupIds&&n.groupId===a.textGroupIds[a.urlId]))this.redundantFailover(this.currentLevelIndex);else{var s,l=!1,u=!0;switch(i.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(i.frag){var h=i.frag.type===w.b.MAIN?i.frag.level:this.currentLevelIndex,d=this._levels[h];d?(d.fragmentError++,d.fragmentError>this.hls.config.fragLoadingMaxRetry&&(s=h)):s=h}break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:n&&(n.deliveryDirectives&&(u=!1),s=n.level),l=!0;break;case o.a.REMUX_ALLOC_ERROR:s=null!=(r=i.level)?r:this.currentLevelIndex,l=!0}void 0!==s&&this.recoverLevel(i,s,l,u)}}},u.recoverLevel=function(t,e,i,r){var n=t.details,a=this._levels[e];if(a.loadError++,i){if(!this.retryLoadingOrFail(t))return void(this.currentLevelIndex=-1);t.levelRetry=!0}if(r){var s=a.url.length;if(s>1&&a.loadError<s)t.levelRetry=!0,this.redundantFailover(e);else if(-1===this.manualLevelIndex){for(var o=-1,l=this._levels,u=l.length;u--;){var h=(u+this.currentLevelIndex)%l.length;if(h!==this.currentLevelIndex&&0===l[h].loadError){o=h;break}}o>-1&&this.currentLevelIndex!==o&&(this.warn(n+": switch to "+o),t.levelRetry=!0,this.hls.nextAutoLevel=o)}}},u.redundantFailover=function(t){var e=this._levels[t],i=e.url.length;if(i>1){var r=(e.urlId+1)%i;this.warn("Switching to redundant URL-id "+r),this._levels.forEach((function(t){t.urlId=r})),this.level=t}},u.onFragLoaded=function(t,e){var i=e.frag;if(void 0!==i&&i.type===w.b.MAIN){var r=this._levels[i.level];void 0!==r&&(r.fragmentError=0,r.loadError=0)}},u.onLevelLoaded=function(t,e){var i,r,n=e.level,a=e.details,s=this._levels[n];if(!s)return this.warn("Invalid level index "+n),void(null!==(r=e.deliveryDirectives)&&void 0!==r&&r.skip&&(a.deltaUpdateFailed=!0));n===this.currentLevelIndex?(0===s.fragmentError&&(s.loadError=0,this.retryCount=0),this.playlistLoaded(n,e,s.details)):null!==(i=e.deliveryDirectives)&&void 0!==i&&i.skip&&(a.deltaUpdateFailed=!0)},u.onAudioTrackSwitched=function(t,e){var i=this.hls.levels[this.currentLevelIndex];if(i&&i.audioGroupIds){for(var r=-1,n=this.hls.audioTracks[e.id].groupId,a=0;a<i.audioGroupIds.length;a++)if(i.audioGroupIds[a]===n){r=a;break}r!==i.urlId&&(i.urlId=r,this.startLoad())}},u.loadPlaylist=function(t){var e=this.currentLevelIndex,i=this._levels[e];if(this.canLoad&&i&&i.url.length>0){var r=i.urlId,n=i.url[r];if(t)try{n=t.addDirectives(n)}catch(t){this.warn("Could not construct new URL with HLS Delivery Directives: "+t)}this.log("Attempt loading level index "+e+(t?" at sn "+t.msn+" part "+t.part:"")+" with URL-id "+r+" "+n),this.clearTimer(),this.hls.trigger(s.a.LEVEL_LOADING,{url:n,level:e,id:r,deliveryDirectives:t||null})}},u.removeLevel=function(t,e){var i=function(t,i){return i!==e},r=this._levels.filter((function(r,n){return n!==t||r.url.length>1&&void 0!==e&&(r.url=r.url.filter(i),r.audioGroupIds&&(r.audioGroupIds=r.audioGroupIds.filter(i)),r.textGroupIds&&(r.textGroupIds=r.textGroupIds.filter(i)),r.urlId=0,!0)})).map((function(t,e){var i=t.details;return null!=i&&i.fragments&&i.fragments.forEach((function(t){t.level=e})),t}));this._levels=r,this.hls.trigger(s.a.LEVELS_UPDATED,{levels:r})},n=r,(a=[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(t){var e,i=this._levels;if(0!==i.length&&(this.currentLevelIndex!==t||null===(e=i[t])||void 0===e||!e.details)){if(t<0||t>=i.length){var r=t<0;if(this.hls.trigger(s.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.LEVEL_SWITCH_ERROR,level:t,fatal:r,reason:"invalid level idx"}),r)return;t=Math.min(t,i.length-1)}this.clearTimer();var n=this.currentLevelIndex,a=i[n],l=i[t];this.log("switching to level "+t+" from "+n),this.currentLevelIndex=t;var u=st({},l,{level:t,maxBitrate:l.maxBitrate,uri:l.uri,urlId:l.urlId});delete u._urlId,this.hls.trigger(s.a.LEVEL_SWITCHING,u);var h=l.details;if(!h||h.live){var d=this.switchParams(l.uri,null==a?void 0:a.details);this.loadPlaylist(d)}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(t){this.manualLevelIndex=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=t)}}])&&ot(n.prototype,a),l&&ot(n,l),Object.defineProperty(n,"prototype",{writable:!1}),r}(at);!function(t){t.NOT_LOADED="NOT_LOADED",t.APPENDING="APPENDING",t.PARTIAL="PARTIAL",t.OK="OK"}(ut||(ut={}));var ct=function(){function t(t){this.activeFragment=null,this.activeParts=null,this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.bufferPadding=.2,this.hls=void 0,this.hls=t,this._registerListeners()}var e=t.prototype;return e._registerListeners=function(){var t=this.hls;t.on(s.a.BUFFER_APPENDED,this.onBufferAppended,this),t.on(s.a.FRAG_BUFFERED,this.onFragBuffered,this),t.on(s.a.FRAG_LOADED,this.onFragLoaded,this)},e._unregisterListeners=function(){var t=this.hls;t.off(s.a.BUFFER_APPENDED,this.onBufferAppended,this),t.off(s.a.FRAG_BUFFERED,this.onFragBuffered,this),t.off(s.a.FRAG_LOADED,this.onFragLoaded,this)},e.destroy=function(){this._unregisterListeners(),this.fragments=this.timeRanges=null},e.getAppendedFrag=function(t,e){if(e===w.b.MAIN){var i=this.activeFragment,r=this.activeParts;if(!i)return null;if(r)for(var n=r.length;n--;){var a=r[n],s=a?a.end:i.appendedPTS;if(a.start<=t&&void 0!==s&&t<=s)return n>9&&(this.activeParts=r.slice(n-9)),a}else if(i.start<=t&&void 0!==i.appendedPTS&&t<=i.appendedPTS)return i}return this.getBufferedFrag(t,e)},e.getBufferedFrag=function(t,e){for(var i=this.fragments,r=Object.keys(i),n=r.length;n--;){var a=i[r[n]];if((null==a?void 0:a.body.type)===e&&a.buffered){var s=a.body;if(s.start<=t&&t<=s.end)return s}}return null},e.detectEvictedFragments=function(t,e,i){var r=this;Object.keys(this.fragments).forEach((function(n){var a=r.fragments[n];if(a)if(a.buffered){var s=a.range[t];s&&s.time.some((function(t){var i=!r.isTimeBuffered(t.startPTS,t.endPTS,e);return i&&r.removeFragment(a.body),i}))}else a.body.type===i&&r.removeFragment(a.body)}))},e.detectPartialFragments=function(t){var e=this,i=this.timeRanges,r=t.frag,n=t.part;if(i&&"initSegment"!==r.sn){var a=gt(r),s=this.fragments[a];s&&(Object.keys(i).forEach((function(t){var a=r.elementaryStreams[t];if(a){var o=i[t],l=null!==n||!0===a.partial;s.range[t]=e.getBufferedTimes(r,n,l,o)}})),s.loaded=null,Object.keys(s.range).length?s.buffered=!0:this.removeFragment(s.body))}},e.fragBuffered=function(t){var e=gt(t),i=this.fragments[e];i&&(i.loaded=null,i.buffered=!0)},e.getBufferedTimes=function(t,e,i,r){for(var n={time:[],partial:i},a=e?e.start:t.start,s=e?e.end:t.end,o=t.minEndPTS||s,l=t.maxStartPTS||a,u=0;u<r.length;u++){var h=r.start(u)-this.bufferPadding,d=r.end(u)+this.bufferPadding;if(l>=h&&o<=d){n.time.push({startPTS:Math.max(a,r.start(u)),endPTS:Math.min(s,r.end(u))});break}if(a<d&&s>h)n.partial=!0,n.time.push({startPTS:Math.max(a,r.start(u)),endPTS:Math.min(s,r.end(u))});else if(s<=h)break}return n},e.getPartialFragment=function(t){var e,i,r,n=null,a=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&ft(u)&&(i=u.body.start-s,r=u.body.end+s,t>=i&&t<=r&&(e=Math.min(t-i,r-t),a<=e&&(n=u.body,a=e)))})),n},e.getState=function(t){var e=gt(t),i=this.fragments[e];return i?i.buffered?ft(i)?ut.PARTIAL:ut.OK:ut.APPENDING:ut.NOT_LOADED},e.isTimeBuffered=function(t,e,i){for(var r,n,a=0;a<i.length;a++){if(r=i.start(a)-this.bufferPadding,n=i.end(a)+this.bufferPadding,t>=r&&e<=n)return!0;if(e<=r)return!1}return!1},e.onFragLoaded=function(t,e){var i=e.frag,r=e.part;if("initSegment"!==i.sn&&!i.bitrateTest&&!r){var n=gt(i);this.fragments[n]={body:i,loaded:e,buffered:!1,range:Object.create(null)}}},e.onBufferAppended=function(t,e){var i=this,r=e.frag,n=e.part,a=e.timeRanges;if(r.type===w.b.MAIN)if(this.activeFragment=r,n){var s=this.activeParts;s||(this.activeParts=s=[]),s.push(n)}else this.activeParts=null;this.timeRanges=a,Object.keys(a).forEach((function(t){var e=a[t];if(i.detectEvictedFragments(t,e),!n)for(var s=0;s<e.length;s++)r.appendedPTS=Math.max(e.end(s),r.appendedPTS||0)}))},e.onFragBuffered=function(t,e){this.detectPartialFragments(e)},e.hasFragment=function(t){var e=gt(t);return!!this.fragments[e]},e.removeFragmentsInRange=function(t,e,i){var r=this;Object.keys(this.fragments).forEach((function(n){var a=r.fragments[n];if(a&&a.buffered){var s=a.body;s.type===i&&s.start<e&&s.end>t&&r.removeFragment(s)}}))},e.removeFragment=function(t){var e=gt(t);t.stats.loaded=0,t.clearElementaryStreamInfo(),delete this.fragments[e]},e.removeAllFragments=function(){this.fragments=Object.create(null),this.activeFragment=null,this.activeParts=null},t}();function ft(t){var e,i;return t.buffered&&((null===(e=t.range.video)||void 0===e?void 0:e.partial)||(null===(i=t.range.audio)||void 0===i?void 0:i.partial))}function gt(t){return t.type+"_"+t.level+"_"+t.urlId+"_"+t.sn}var vt=function(){function t(){this._boundTick=void 0,this._tickTimer=null,this._tickInterval=null,this._tickCallCount=0,this._boundTick=this.tick.bind(this)}var e=t.prototype;return e.destroy=function(){this.onHandlerDestroying(),this.onHandlerDestroyed()},e.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},e.onHandlerDestroyed=function(){},e.hasInterval=function(){return!!this._tickInterval},e.hasNextTick=function(){return!!this._tickTimer},e.setInterval=function(t){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,t),!0)},e.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},e.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},e.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&this.tickImmediate(),this._tickCallCount=0)},e.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},e.doTick=function(){},t}(),pt={length:0,start:function(){return 0},end:function(){return 0}},mt=function(){function t(){}return t.isBuffered=function(e,i){try{if(e)for(var r=t.getBuffered(e),n=0;n<r.length;n++)if(i>=r.start(n)&&i<=r.end(n))return!0}catch(t){}return!1},t.bufferInfo=function(e,i,r){try{if(e){var n,a=t.getBuffered(e),s=[];for(n=0;n<a.length;n++)s.push({start:a.start(n),end:a.end(n)});return this.bufferedInfo(s,i,r)}}catch(t){}return{len:0,start:i,end:i,nextStart:void 0}},t.bufferedInfo=function(t,e,i){e=Math.max(0,e),t.sort((function(t,e){var i=t.start-e.start;return i||e.end-t.end}));var r=[];if(i)for(var n=0;n<t.length;n++){var a=r.length;if(a){var s=r[a-1].end;t[n].start-s<i?t[n].end>s&&(r[a-1].end=t[n].end):r.push(t[n])}else r.push(t[n])}else r=t;for(var o,l=0,u=e,h=e,d=0;d<r.length;d++){var c=r[d].start,f=r[d].end;if(e+i>=c&&e<f)u=c,l=(h=f)-e;else if(e+i<c){o=c;break}}return{len:l,start:u||0,end:h||0,nextStart:o}},t.getBuffered=function(t){try{return t.buffered}catch(t){return l.b.log("failed to get 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a=t[r];if(a&&a.cc===e){i=a;break}}return i}(i,r[0].cc);if(n&&(!n||n.startPTS))return n;l.b.log("No frag in previous level to align on")}else l.b.log("No fragments to align")}(i.details,e);r&&Object(a.a)(r.start)&&(l.b.log("Adjusting PTS using last level due to CC increase within current level "+e.url),bt(r.start,e))}}(t,i,e),!i.alignedSliding&&e.details&&function(t,e){if(!e.fragments.length||!t.hasProgramDateTime||!e.hasProgramDateTime)return;var i=e.fragments[0].programDateTime,r=t.fragments[0].programDateTime,n=(r-i)/1e3+e.fragments[0].start;n&&Object(a.a)(n)&&(l.b.log("Adjusting PTS using programDateTime delta "+(r-i)+"ms, sliding:"+n.toFixed(3)+" "+t.url+" "),bt(n,t))}(i,e.details),i.alignedSliding||!e.details||i.skippedSegments||rt(e.details,i))}function St(t,e){var i=t.programDateTime;if(i){var r=(i-e)/1e3;t.start=t.startPTS=r,t.endPTS=r+t.duration}}function Lt(t,e){if(e.fragments.length&&t.hasProgramDateTime&&e.hasProgramDateTime){var i=e.fragments[0].programDateTime-1e3*e.fragments[0].start;t.fragments.forEach((function(t){St(t,i)})),t.fragmentHint&&St(t.fragmentHint,i),t.alignedSliding=!0}}var At={search:function(t,e){for(var i=0,r=t.length-1,n=null,a=null;i<=r;){var s=e(a=t[n=(i+r)/2|0]);if(s>0)i=n+1;else{if(!(s<0))return a;r=n-1}}return null}};function Dt(t,e,i,r){void 0===i&&(i=0),void 0===r&&(r=0);var n=null;if(t?n=e[t.sn-e[0].sn+1]||null:0===i&&0===e[0].start&&(n=e[0]),n&&0===Rt(i,r,n))return n;var a=At.search(e,Rt.bind(null,i,r));return a||n}function Rt(t,e,i){void 0===t&&(t=0),void 0===e&&(e=0);var r=Math.min(e,i.duration+(i.deltaPTS?i.deltaPTS:0));return i.start+i.duration-r<=t?1:i.start-r>t&&i.start?-1:0}function kt(t,e,i){var r=1e3*Math.min(e,i.duration+(i.deltaPTS?i.deltaPTS:0));return(i.endProgramDateTime||0)-r>t}function _t(t){var e="function"==typeof Map?new Map:void 0;return(_t=function(t){if(null===t||(i=t,-1===Function.toString.call(i).indexOf("[native code]")))return t;var i;if("function"!=typeof 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t.__proto__||Object.getPrototypeOf(t)})(t)}var xt=Math.pow(2,17),Pt=function(){function t(t){this.config=void 0,this.loader=null,this.partLoadTimeout=-1,this.config=t}var e=t.prototype;return e.destroy=function(){this.loader&&(this.loader.destroy(),this.loader=null)},e.abort=function(){this.loader&&this.loader.abort()},e.load=function(t,e){var i=this,r=t.url;if(!r)return Promise.reject(new Mt({type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,networkDetails:null},"Fragment does not have a "+(r?"part list":"url")));this.abort();var n=this.config,a=n.fLoader,s=n.loader;return new Promise((function(r,l){i.loader&&i.loader.destroy();var u=i.loader=t.loader=a?new a(n):new s(n),h=Ft(t),d={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:n.fragLoadingMaxRetryTimeout,highWaterMark:"initSegment"===t.sn?1/0:xt};t.stats=u.stats,u.load(h,d,{onSuccess:function(e,n,a,s){i.resetLoader(t,u),r({frag:t,part:null,payload:e.data,networkDetails:s})},onError:function(e,r,n){i.resetLoader(t,u),l(new Mt({type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,response:e,networkDetails:n}))},onAbort:function(e,r,n){i.resetLoader(t,u),l(new Mt({type:o.b.NETWORK_ERROR,details:o.a.INTERNAL_ABORTED,fatal:!1,frag:t,networkDetails:n}))},onTimeout:function(e,r,n){i.resetLoader(t,u),l(new Mt({type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,networkDetails:n}))},onProgress:function(i,r,n,a){e&&e({frag:t,part:null,payload:n,networkDetails:a})}})}))},e.loadPart=function(t,e,i){var r=this;this.abort();var n=this.config,a=n.fLoader,s=n.loader;return new Promise((function(l,u){r.loader&&r.loader.destroy();var h=r.loader=t.loader=a?new a(n):new s(n),d=Ft(t,e),c={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:n.fragLoadingMaxRetryTimeout,highWaterMark:xt};e.stats=h.stats,h.load(d,c,{onSuccess:function(n,a,s,o){r.resetLoader(t,h),r.updateStatsFromPart(t,e);var u={frag:t,part:e,payload:n.data,networkDetails:o};i(u),l(u)},onError:function(i,n,a){r.resetLoader(t,h),u(new Mt({type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_ERROR,fatal:!1,frag:t,part:e,response:i,networkDetails:a}))},onAbort:function(i,n,a){t.stats.aborted=e.stats.aborted,r.resetLoader(t,h),u(new Mt({type:o.b.NETWORK_ERROR,details:o.a.INTERNAL_ABORTED,fatal:!1,frag:t,part:e,networkDetails:a}))},onTimeout:function(i,n,a){r.resetLoader(t,h),u(new Mt({type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t,part:e,networkDetails:a}))}})}))},e.updateStatsFromPart=function(t,e){var i=t.stats,r=e.stats,n=r.total;if(i.loaded+=r.loaded,n){var a=Math.round(t.duration/e.duration),s=Math.min(Math.round(i.loaded/n),a),o=(a-s)*Math.round(i.loaded/s);i.total=i.loaded+o}else i.total=Math.max(i.loaded,i.total);var l=i.loading,u=r.loading;l.start?l.first+=u.first-u.start:(l.start=u.start,l.first=u.first),l.end=u.end},e.resetLoader=function(t,e){t.loader=null,this.loader===e&&(self.clearTimeout(this.partLoadTimeout),this.loader=null),e.destroy()},t}();function Ft(t,e){void 0===e&&(e=null);var i=e||t,r={frag:t,part:e,responseType:"arraybuffer",url:i.url,headers:{},rangeStart:0,rangeEnd:0},n=i.byteRangeStartOffset,s=i.byteRangeEndOffset;return Object(a.a)(n)&&Object(a.a)(s)&&(r.rangeStart=n,r.rangeEnd=s),r}var Mt=function(t){var e,i;function r(e){for(var i,r=arguments.length,n=new Array(r>1?r-1:0),a=1;a<r;a++)n[a-1]=arguments[a];return(i=t.call.apply(t,[this].concat(n))||this).data=void 0,i.data=e,i}return i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,Ct(e,i),r}(_t(Error)),Nt=i(16),Ut={toString:function(t){for(var e="",i=t.length,r=0;r<i;r++)e+="["+t.start(r).toFixed(3)+","+t.end(r).toFixed(3)+"]";return e}};function Bt(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function Gt(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function jt(t,e){return(jt=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var Kt="STOPPED",Ht="IDLE",Vt="KEY_LOADING",Wt="FRAG_LOADING",Yt="FRAG_LOADING_WAITING_RETRY",qt="WAITING_TRACK",zt="PARSING",Xt="PARSED",Qt="ENDED",$t="ERROR",Jt="WAITING_INIT_PTS",Zt="WAITING_LEVEL",te=function(t){var e,i;function r(e,i,r){var n;return(n=t.call(this)||this).hls=void 0,n.fragPrevious=null,n.fragCurrent=null,n.fragmentTracker=void 0,n.transmuxer=null,n._state=Kt,n.media=null,n.mediaBuffer=null,n.config=void 0,n.bitrateTest=!1,n.lastCurrentTime=0,n.nextLoadPosition=0,n.startPosition=0,n.loadedmetadata=!1,n.fragLoadError=0,n.retryDate=0,n.levels=null,n.fragmentLoader=void 0,n.levelLastLoaded=null,n.startFragRequested=!1,n.decrypter=void 0,n.initPTS=[],n.onvseeking=null,n.onvended=null,n.logPrefix="",n.log=void 0,n.warn=void 0,n.logPrefix=r,n.log=l.b.log.bind(l.b,r+":"),n.warn=l.b.warn.bind(l.b,r+":"),n.hls=e,n.fragmentLoader=new Pt(e.config),n.fragmentTracker=i,n.config=e.config,n.decrypter=new Nt.a(e,e.config),e.on(s.a.KEY_LOADED,n.onKeyLoaded,Gt(n)),e.on(s.a.LEVEL_SWITCHING,n.onLevelSwitching,Gt(n)),n}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,jt(e,i);var n,h,d,c=r.prototype;return c.doTick=function(){this.onTickEnd()},c.onTickEnd=function(){},c.startLoad=function(t){},c.stopLoad=function(){this.fragmentLoader.abort();var t=this.fragCurrent;t&&this.fragmentTracker.removeFragment(t),this.resetTransmuxer(),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=Kt},c._streamEnded=function(t,e){var i=this.fragCurrent,r=this.fragmentTracker;if(!e.live&&i&&this.media&&i.sn>=e.endSN&&!t.nextStart){var n=e.partList;if(null!=n&&n.length){var a=n[n.length-1];return mt.isBuffered(this.media,a.start+a.duration/2)}var s=r.getState(i);return s===ut.PARTIAL||s===ut.OK}return!1},c.onMediaAttached=function(t,e){var i=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),i.addEventListener("seeking",this.onvseeking),i.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.state===Kt&&this.startLoad(r.startPosition)},c.onMediaDetaching=function(){var t=this.media;null!=t&&t.ended&&(this.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),t&&this.onvseeking&&this.onvended&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},c.onMediaSeeking=function(){var t=this.config,e=this.fragCurrent,i=this.media,r=this.mediaBuffer,n=this.state,s=i?i.currentTime:0,o=mt.bufferInfo(r||i,s,t.maxBufferHole);if(this.log("media seeking to "+(Object(a.a)(s)?s.toFixed(3):s)+", state: "+n),n===Qt)this.resetLoadingState();else if(e&&!o.len){var l=t.maxFragLookUpTolerance,u=e.start-l,h=s>e.start+e.duration+l;(s<u||h)&&(h&&e.loader&&(this.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),e.loader.abort()),this.resetLoadingState())}i&&(this.lastCurrentTime=s),this.loadedmetadata||o.len||(this.nextLoadPosition=this.startPosition=s),this.tickImmediate()},c.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},c.onKeyLoaded=function(t,e){if(this.state===Vt&&e.frag===this.fragCurrent&&this.levels){this.state=Ht;var i=this.levels[e.frag.level].details;i&&this.loadFragment(e.frag,i,e.frag.start)}},c.onLevelSwitching=function(t,e){this.fragLoadError=0},c.onHandlerDestroying=function(){this.stopLoad(),t.prototype.onHandlerDestroying.call(this)},c.onHandlerDestroyed=function(){this.state=Kt,this.hls.off(s.a.KEY_LOADED,this.onKeyLoaded,this),this.hls.off(s.a.LEVEL_SWITCHING,this.onLevelSwitching,this),this.fragmentLoader&&this.fragmentLoader.destroy(),this.decrypter&&this.decrypter.destroy(),this.hls=this.log=this.warn=this.decrypter=this.fragmentLoader=this.fragmentTracker=null,t.prototype.onHandlerDestroyed.call(this)},c.loadKey=function(t,e){this.log("Loading key for "+t.sn+" of ["+e.startSN+"-"+e.endSN+"], "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level),this.state=Vt,this.fragCurrent=t,this.hls.trigger(s.a.KEY_LOADING,{frag:t})},c.loadFragment=function(t,e,i){this._loadFragForPlayback(t,e,i)},c._loadFragForPlayback=function(t,e,i){var r=this;this._doFragLoad(t,e,i,(function(e){if(r.fragContextChanged(t))return r.warn("Fragment "+t.sn+(e.part?" p: "+e.part.index:"")+" of level "+t.level+" was dropped during download."),void r.fragmentTracker.removeFragment(t);t.stats.chunkCount++,r._handleFragmentLoadProgress(e)})).then((function(e){if(e){r.fragLoadError=0;var i=r.state;r.fragContextChanged(t)?(i===Wt||!r.fragCurrent&&i===zt)&&(r.fragmentTracker.removeFragment(t),r.state=Ht):("payload"in e&&(r.log("Loaded fragment "+t.sn+" of level "+t.level),r.hls.trigger(s.a.FRAG_LOADED,e)),r._handleFragmentLoadComplete(e))}})).catch((function(e){r.state!==Kt&&r.state!==$t&&(r.warn(e),r.resetFragmentLoading(t))}))},c.flushMainBuffer=function(t,e,i){if(void 0===i&&(i=null),t-e){var r={startOffset:t,endOffset:e,type:i};this.fragLoadError=0,this.hls.trigger(s.a.BUFFER_FLUSHING,r)}},c._loadInitSegment=function(t){var e=this;this._doFragLoad(t).then((function(i){if(!i||e.fragContextChanged(t)||!e.levels)throw new Error("init load aborted");return i})).then((function(i){var r=e.hls,n=i.payload,a=t.decryptdata;if(n&&n.byteLength>0&&a&&a.key&&a.iv&&"AES-128"===a.method){var o=self.performance.now();return e.decrypter.webCryptoDecrypt(new Uint8Array(n),a.key.buffer,a.iv.buffer).then((function(e){var n=self.performance.now();return r.trigger(s.a.FRAG_DECRYPTED,{frag:t,payload:e,stats:{tstart:o,tdecrypt:n}}),i.payload=e,i}))}return i})).then((function(i){var r=e.fragCurrent,n=e.hls,a=e.levels;if(!a)throw new Error("init load aborted, missing levels");a[t.level].details;var o=t.stats;e.state=Ht,e.fragLoadError=0,t.data=new Uint8Array(i.payload),o.parsing.start=o.buffering.start=self.performance.now(),o.parsing.end=o.buffering.end=self.performance.now(),i.frag===r&&n.trigger(s.a.FRAG_BUFFERED,{stats:o,frag:r,part:null,id:t.type}),e.tick()})).catch((function(i){e.state!==Kt&&e.state!==$t&&(e.warn(i),e.resetFragmentLoading(t))}))},c.fragContextChanged=function(t){var e=this.fragCurrent;return!t||!e||t.level!==e.level||t.sn!==e.sn||t.urlId!==e.urlId},c.fragBufferedComplete=function(t,e){var i=this.mediaBuffer?this.mediaBuffer:this.media;this.log("Buffered "+t.type+" sn: "+t.sn+(e?" part: "+e.index:"")+" of "+("[stream-controller]"===this.logPrefix?"level":"track")+" "+t.level+" "+(i?Ut.toString(mt.getBuffered(i)):"(detached)")),this.state=Ht,i&&(!this.loadedmetadata&&i.buffered.length&&this.fragCurrent===this.fragPrevious&&(this.loadedmetadata=!0,this.seekToStartPos()),this.tick())},c.seekToStartPos=function(){},c._handleFragmentLoadComplete=function(t){var e=this.transmuxer;if(e){var i=t.frag,r=t.part,n=t.partsLoaded,a=!n||0===n.length||n.some((function(t){return!t})),s=new yt(i.level,i.sn,i.stats.chunkCount+1,0,r?r.index:-1,!a);e.flush(s)}},c._handleFragmentLoadProgress=function(t){},c._doFragLoad=function(t,e,i,r){var n=this;if(void 0===i&&(i=null),!this.levels)throw new Error("frag load aborted, missing levels");if(i=Math.max(t.start,i||0),this.config.lowLatencyMode&&e){var o=e.partList;if(o&&r){i>t.end&&e.fragmentHint&&(t=e.fragmentHint);var l=this.getNextPart(o,t,i);if(l>-1){var u=o[l];return this.log("Loading part sn: "+t.sn+" p: "+u.index+" cc: "+t.cc+" of playlist ["+e.startSN+"-"+e.endSN+"] parts [0-"+l+"-"+(o.length-1)+"] "+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(i.toFixed(3))),this.nextLoadPosition=u.start+u.duration,this.state=Wt,this.hls.trigger(s.a.FRAG_LOADING,{frag:t,part:o[l],targetBufferTime:i}),this.doFragPartsLoad(t,o,l,r).catch((function(t){return n.handleFragLoadError(t)}))}if(!t.url||this.loadedEndOfParts(o,i))return Promise.resolve(null)}}return this.log("Loading fragment "+t.sn+" cc: "+t.cc+" "+(e?"of ["+e.startSN+"-"+e.endSN+"] ":"")+("[stream-controller]"===this.logPrefix?"level":"track")+": "+t.level+", target: "+parseFloat(i.toFixed(3))),Object(a.a)(t.sn)&&!this.bitrateTest&&(this.nextLoadPosition=t.start+t.duration),this.state=Wt,this.hls.trigger(s.a.FRAG_LOADING,{frag:t,targetBufferTime:i}),this.fragmentLoader.load(t,r).catch((function(t){return n.handleFragLoadError(t)}))},c.doFragPartsLoad=function(t,e,i,r){var n=this;return new Promise((function(a,o){var l=[];!function i(u){var h=e[u];n.fragmentLoader.loadPart(t,h,r).then((function(r){l[h.index]=r;var o=r.part;n.hls.trigger(s.a.FRAG_LOADED,r);var d=e[u+1];if(!d||d.fragment!==t)return a({frag:t,part:o,partsLoaded:l});i(u+1)})).catch(o)}(i)}))},c.handleFragLoadError=function(t){var e=t.data;return e&&e.details===o.a.INTERNAL_ABORTED?this.handleFragLoadAborted(e.frag,e.part):this.hls.trigger(s.a.ERROR,e),null},c._handleTransmuxerFlush=function(t){var e=this.getCurrentContext(t);if(e&&this.state===zt){var i=e.frag,r=e.part,n=e.level,a=self.performance.now();i.stats.parsing.end=a,r&&(r.stats.parsing.end=a),this.updateLevelTiming(i,r,n,t.partial)}else this.fragCurrent||(this.state=Ht)},c.getCurrentContext=function(t){var e=this.levels,i=t.level,r=t.sn,n=t.part;if(!e||!e[i])return this.warn("Levels object was unset while buffering fragment "+r+" of level "+i+". The current chunk will not be buffered."),null;var a=e[i],s=n>-1?function(t,e,i){if(!t||!t.details)return null;var r=t.details.partList;if(r)for(var n=r.length;n--;){var a=r[n];if(a.index===i&&a.fragment.sn===e)return a}return null}(a,r,n):null,o=s?s.fragment:function(t,e,i){if(!t||!t.details)return null;var r=t.details,n=r.fragments[e-r.startSN];return n||((n=r.fragmentHint)&&n.sn===e?n:e<r.startSN&&i&&i.sn===e?i:null)}(a,r,this.fragCurrent);return o?{frag:o,part:s,level:a}:null},c.bufferFragmentData=function(t,e,i,r){if(t&&this.state===zt){var n=t.data1,a=t.data2,o=n;if(n&&a&&(o=Object(u.b)(n,a)),o&&o.length){var l={type:t.type,frag:e,part:i,chunkMeta:r,parent:e.type,data:o};this.hls.trigger(s.a.BUFFER_APPENDING,l),t.dropped&&t.independent&&!i&&this.flushBufferGap(e)}}},c.flushBufferGap=function(t){var e=this.media;if(e)if(mt.isBuffered(e,e.currentTime)){var i=e.currentTime,r=mt.bufferInfo(e,i,0),n=t.duration,a=Math.min(2*this.config.maxFragLookUpTolerance,.25*n),s=Math.max(Math.min(t.start-a,r.end-a),i+a);t.start-s>a&&this.flushMainBuffer(s,t.start)}else this.flushMainBuffer(0,t.start)},c.getFwdBufferInfo=function(t,e){var i=this.config,r=this.getLoadPosition();if(!Object(a.a)(r))return null;var n=mt.bufferInfo(t,r,i.maxBufferHole);if(0===n.len&&void 0!==n.nextStart){var s=this.fragmentTracker.getBufferedFrag(r,e);if(s&&n.nextStart<s.end)return mt.bufferInfo(t,r,Math.max(n.nextStart,i.maxBufferHole))}return n},c.getMaxBufferLength=function(t){var e,i=this.config;return e=t?Math.max(8*i.maxBufferSize/t,i.maxBufferLength):i.maxBufferLength,Math.min(e,i.maxMaxBufferLength)},c.reduceMaxBufferLength=function(t){var e=this.config,i=t||e.maxBufferLength;return e.maxMaxBufferLength>=i&&(e.maxMaxBufferLength/=2,this.warn("Reduce max buffer length to "+e.maxMaxBufferLength+"s"),!0)},c.getNextFragment=function(t,e){var i=e.fragments,r=i.length;if(!r)return null;var n,a=this.config,s=i[0].start;if(e.live){var o=a.initialLiveManifestSize;if(r<o)return this.warn("Not enough fragments to start playback (have: "+r+", need: "+o+")"),null;e.PTSKnown||this.startFragRequested||-1!==this.startPosition||(n=this.getInitialLiveFragment(e,i),this.startPosition=n?this.hls.liveSyncPosition||n.start:t)}else t<=s&&(n=i[0]);if(!n){var l=a.lowLatencyMode?e.partEnd:e.fragmentEnd;n=this.getFragmentAtPosition(t,l,e)}return this.mapToInitFragWhenRequired(n)},c.mapToInitFragWhenRequired=function(t){return null==t||!t.initSegment||null!=t&&t.initSegment.data||this.bitrateTest?t:t.initSegment},c.getNextPart=function(t,e,i){for(var r=-1,n=!1,a=!0,s=0,o=t.length;s<o;s++){var l=t[s];if(a=a&&!l.independent,r>-1&&i<l.start)break;var u=l.loaded;!u&&(n||l.independent||a)&&l.fragment===e&&(r=s),n=u}return r},c.loadedEndOfParts=function(t,e){var i=t[t.length-1];return i&&e>i.start&&i.loaded},c.getInitialLiveFragment=function(t,e){var i=this.fragPrevious,r=null;if(i){if(t.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+i.programDateTime),r=function(t,e,i){if(null===e||!Array.isArray(t)||!t.length||!Object(a.a)(e))return null;if(e<(t[0].programDateTime||0))return null;if(e>=(t[t.length-1].endProgramDateTime||0))return null;i=i||0;for(var r=0;r<t.length;++r){var n=t[r];if(kt(e,i,n))return n}return null}(e,i.endProgramDateTime,this.config.maxFragLookUpTolerance)),!r){var n=i.sn+1;if(n>=t.startSN&&n<=t.endSN){var s=e[n-t.startSN];i.cc===s.cc&&(r=s,this.log("Live playlist, switching playlist, load frag with next SN: "+r.sn))}r||(r=function(t,e){return At.search(t,(function(t){return t.cc<e?1:t.cc>e?-1:0}))}(e,i.cc))&&this.log("Live playlist, switching playlist, load frag with same CC: "+r.sn)}}else{var o=this.hls.liveSyncPosition;null!==o&&(r=this.getFragmentAtPosition(o,this.bitrateTest?t.fragmentEnd:t.edge,t))}return r},c.getFragmentAtPosition=function(t,e,i){var r,n=this.config,a=this.fragPrevious,s=i.fragments,o=i.endSN,l=i.fragmentHint,u=n.maxFragLookUpTolerance,h=!!(n.lowLatencyMode&&i.partList&&l);(h&&l&&!this.bitrateTest&&(s=s.concat(l),o=l.sn),t<e)?r=Dt(a,s,t,t>e-u?0:u):r=s[s.length-1];if(r){var d=r.sn-i.startSN;if(a&&r.sn===a.sn&&!h)if(a&&r.level===a.level){var c=s[d+1];r.sn<o&&this.fragmentTracker.getState(c)!==ut.OK?(this.log("SN "+r.sn+" just loaded, load next one: "+c.sn),r=c):r=null}}return r},c.synchronizeToLiveEdge=function(t){var e=this.config,i=this.media;if(i){var r=this.hls.liveSyncPosition,n=i.currentTime,a=t.fragments[0].start,s=t.edge,o=n>=a-e.maxFragLookUpTolerance&&n<=s;if(null!==r&&i.duration>r&&(n<r||!o)){var l=void 0!==e.liveMaxLatencyDuration?e.liveMaxLatencyDuration:e.liveMaxLatencyDurationCount*t.targetduration;(!o&&i.readyState<4||n<s-l)&&(this.loadedmetadata||(this.nextLoadPosition=r),i.readyState&&(this.warn("Playback: "+n.toFixed(3)+" is located too far from the end of live sliding playlist: "+s+", reset currentTime to : "+r.toFixed(3)),i.currentTime=r))}}},c.alignPlaylists=function(t,e){var i=this.levels,r=this.levelLastLoaded,n=this.fragPrevious,s=null!==r?i[r]:null,o=t.fragments.length;if(!o)return this.warn("No fragments in live playlist"),0;var l=t.fragments[0].start,u=!e,h=t.alignedSliding&&Object(a.a)(l);if(u||!h&&!l){Et(n,s,t);var d=t.fragments[0].start;return this.log("Live playlist sliding: "+d.toFixed(2)+" start-sn: "+(e?e.startSN:"na")+"->"+t.startSN+" prev-sn: "+(n?n.sn:"na")+" fragments: "+o),d}return l},c.waitForCdnTuneIn=function(t){return t.live&&t.canBlockReload&&t.partTarget&&t.tuneInGoal>Math.max(t.partHoldBack,3*t.partTarget)},c.setStartPosition=function(t,e){var i=this.startPosition;if(i<e&&(i=-1),-1===i||-1===this.lastCurrentTime){var r=t.startTimeOffset;Object(a.a)(r)?(i=e+r,r<0&&(i+=t.totalduration),i=Math.min(Math.max(e,i),e+t.totalduration),this.log("Start time offset "+r+" found in playlist, adjust startPosition to "+i),this.startPosition=i):t.live?i=this.hls.liveSyncPosition||e:this.startPosition=i=0,this.lastCurrentTime=i}this.nextLoadPosition=i},c.getLoadPosition=function(){var t=this.media,e=0;return this.loadedmetadata&&t?e=t.currentTime:this.nextLoadPosition&&(e=this.nextLoadPosition),e},c.handleFragLoadAborted=function(t,e){this.transmuxer&&"initSegment"!==t.sn&&t.stats.aborted&&(this.warn("Fragment "+t.sn+(e?" part"+e.index:"")+" of level "+t.level+" was aborted"),this.resetFragmentLoading(t))},c.resetFragmentLoading=function(t){this.fragCurrent&&(this.fragContextChanged(t)||this.state===Yt)||(this.state=Ht)},c.onFragmentOrKeyLoadError=function(t,e){if(!e.fatal){var i=e.frag;if(i&&i.type===t){this.fragCurrent;var r=this.config;if(this.fragLoadError+1<=r.fragLoadingMaxRetry){this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition);var n=Math.min(Math.pow(2,this.fragLoadError)*r.fragLoadingRetryDelay,r.fragLoadingMaxRetryTimeout);this.warn("Fragment "+i.sn+" of "+t+" "+i.level+" failed to load, retrying in "+n+"ms"),this.retryDate=self.performance.now()+n,this.fragLoadError++,this.state=Yt}else e.levelRetry?(t===w.b.AUDIO&&(this.fragCurrent=null),this.fragLoadError=0,this.state=Ht):(l.b.error(e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.hls.stopLoad(),this.state=$t)}}},c.afterBufferFlushed=function(t,e,i){if(t){var r=mt.getBuffered(t);this.fragmentTracker.detectEvictedFragments(e,r,i),this.state===Qt&&this.resetLoadingState()}},c.resetLoadingState=function(){this.fragCurrent=null,this.fragPrevious=null,this.state=Ht},c.resetStartWhenNotLoaded=function(t){if(!this.loadedmetadata){this.startFragRequested=!1;var e=this.levels?this.levels[t].details:null;null!=e&&e.live?(this.startPosition=-1,this.setStartPosition(e,0),this.resetLoadingState()):this.nextLoadPosition=this.startPosition}},c.updateLevelTiming=function(t,e,i,r){var n=this,a=i.details;Object.keys(t.elementaryStreams).reduce((function(e,o){var l=t.elementaryStreams[o];if(l){var u=l.endPTS-l.startPTS;if(u<=0)return n.warn("Could not parse fragment "+t.sn+" "+o+" duration reliably ("+u+")"),e||!1;var h=r?0:et(a,t,l.startPTS,l.endPTS,l.startDTS,l.endDTS);return n.hls.trigger(s.a.LEVEL_PTS_UPDATED,{details:a,level:i,drift:h,type:o,frag:t,start:l.startPTS,end:l.endPTS}),!0}return e}),!1)||(this.warn("Found no media in fragment "+t.sn+" of level "+i.id+" resetting transmuxer to fallback to playlist timing"),this.resetTransmuxer()),this.state=Xt,this.hls.trigger(s.a.FRAG_PARSED,{frag:t,part:e})},c.resetTransmuxer=function(){this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null)},n=r,(h=[{key:"state",get:function(){return this._state},set:function(t){var e=this._state;e!==t&&(this._state=t,this.log(e+"->"+t))}}])&&Bt(n.prototype,h),d&&Bt(n,d),Object.defineProperty(n,"prototype",{writable:!1}),r}(vt);function ee(){return self.MediaSource||self.WebKitMediaSource}function ie(){return self.SourceBuffer||self.WebKitSourceBuffer}var re=i(18),ne=i(10),ae=i(15),se=ee()||{isTypeSupported:function(){return!1}},oe=function(){function t(t,e,i,r){var n=this;this.hls=void 0,this.id=void 0,this.observer=void 0,this.frag=null,this.part=null,this.worker=void 0,this.onwmsg=void 0,this.transmuxer=null,this.onTransmuxComplete=void 0,this.onFlush=void 0,this.hls=t,this.id=e,this.onTransmuxComplete=i,this.onFlush=r;var a=t.config,u=function(e,i){(i=i||{}).frag=n.frag,i.id=n.id,t.trigger(e,i)};this.observer=new ae.EventEmitter,this.observer.on(s.a.FRAG_DECRYPTED,u),this.observer.on(s.a.ERROR,u);var h={mp4:se.isTypeSupported("video/mp4"),mpeg:se.isTypeSupported("audio/mpeg"),mp3:se.isTypeSupported('audio/mp4; codecs="mp3"')},d=navigator.vendor;if(a.enableWorker&&"undefined"!=typeof Worker){var c;l.b.log("demuxing in webworker");try{c=this.worker=re(19),this.onwmsg=this.onWorkerMessage.bind(this),c.addEventListener("message",this.onwmsg),c.onerror=function(e){t.trigger(s.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",error:new Error(e.message+"  ("+e.filename+":"+e.lineno+")")})},c.postMessage({cmd:"init",typeSupported:h,vendor:d,id:e,config:JSON.stringify(a)})}catch(t){l.b.warn("Error in worker:",t),l.b.error("Error while initializing DemuxerWorker, fallback to inline"),c&&self.URL.revokeObjectURL(c.objectURL),this.transmuxer=new ne.c(this.observer,h,a,d,e),this.worker=null}}else this.transmuxer=new ne.c(this.observer,h,a,d,e)}var e=t.prototype;return e.destroy=function(){var t=this.worker;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.worker=null,this.onwmsg=void 0;else{var e=this.transmuxer;e&&(e.destroy(),this.transmuxer=null)}var i=this.observer;i&&i.removeAllListeners(),this.frag=null,this.observer=null,this.hls=null},e.push=function(t,e,i,r,n,a,s,o,u,h){var d,c,f=this;u.transmuxing.start=self.performance.now();var g=this.transmuxer,v=this.worker,p=a?a.start:n.start,m=n.decryptdata,y=this.frag,T=!(y&&n.cc===y.cc),b=!(y&&u.level===y.level),E=y?u.sn-y.sn:-1,S=this.part?u.part-this.part.index:-1,L=0===E&&u.id>1&&u.id===(null==y?void 0:y.stats.chunkCount),A=!b&&(1===E||0===E&&(1===S||L&&S<=0)),D=self.performance.now();(b||E||0===n.stats.parsing.start)&&(n.stats.parsing.start=D),!a||!S&&A||(a.stats.parsing.start=D);var R=!(y&&(null===(d=n.initSegment)||void 0===d?void 0:d.url)===(null===(c=y.initSegment)||void 0===c?void 0:c.url)),k=new ne.b(T,A,o,b,p,R);if(!A||T||R){l.b.log("[transmuxer-interface, "+n.type+"]: Starting new transmux session for sn: "+u.sn+" p: "+u.part+" level: "+u.level+" id: "+u.id+"\n        discontinuity: "+T+"\n        trackSwitch: "+b+"\n        contiguous: "+A+"\n        accurateTimeOffset: "+o+"\n        timeOffset: "+p+"\n        initSegmentChange: "+R);var _=new ne.a(i,r,e,s,h);this.configureTransmuxer(_)}if(this.frag=n,this.part=a,v)v.postMessage({cmd:"demux",data:t,decryptdata:m,chunkMeta:u,state:k},t instanceof ArrayBuffer?[t]:[]);else if(g){var I=g.push(t,m,u,k);Object(ne.d)(I)?I.then((function(t){f.handleTransmuxComplete(t)})):this.handleTransmuxComplete(I)}},e.flush=function(t){var e=this;t.transmuxing.start=self.performance.now();var i=this.transmuxer,r=this.worker;if(r)r.postMessage({cmd:"flush",chunkMeta:t});else if(i){var n=i.flush(t);Object(ne.d)(n)?n.then((function(i){e.handleFlushResult(i,t)})):this.handleFlushResult(n,t)}},e.handleFlushResult=function(t,e){var i=this;t.forEach((function(t){i.handleTransmuxComplete(t)})),this.onFlush(e)},e.onWorkerMessage=function(t){var e=t.data,i=this.hls;switch(e.event){case"init":self.URL.revokeObjectURL(this.worker.objectURL);break;case"transmuxComplete":this.handleTransmuxComplete(e.data);break;case"flush":this.onFlush(e.data);break;case"workerLog":l.b[e.data.logType]&&l.b[e.data.logType](e.data.message);break;default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,i.trigger(e.event,e.data)}},e.configureTransmuxer=function(t){var e=this.worker,i=this.transmuxer;e?e.postMessage({cmd:"configure",config:t}):i&&i.configure(t)},e.handleTransmuxComplete=function(t){t.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(t)},t}(),le=function(){function t(t,e,i,r){this.config=void 0,this.media=null,this.fragmentTracker=void 0,this.hls=void 0,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1,this.config=t,this.media=e,this.fragmentTracker=i,this.hls=r}var e=t.prototype;return e.destroy=function(){this.media=null,this.hls=this.fragmentTracker=null},e.poll=function(t,e){var i=this.config,r=this.media,n=this.stalled;if(null!==r){var a=r.currentTime,s=r.seeking,o=this.seeking&&!s,u=!this.seeking&&s;if(this.seeking=s,a===t){if((u||o)&&(this.stalled=null),!(r.paused&&!s||r.ended||0===r.playbackRate)&&mt.getBuffered(r).length){var h=mt.bufferInfo(r,a,0),d=h.len>0,c=h.nextStart||0;if(d||c){if(s){var f=h.len>2,g=!c||e&&e.start<=a||c-a>2&&!this.fragmentTracker.getPartialFragment(a);if(f||g)return;this.moved=!1}if(!this.moved&&null!==this.stalled){var v,p=Math.max(c,h.start||0)-a,m=this.hls.levels?this.hls.levels[this.hls.currentLevel]:null,y=(null==m||null===(v=m.details)||void 0===v?void 0:v.live)?2*m.details.targetduration:2;if(p>0&&p<=y)return void this._trySkipBufferHole(null)}var T=self.performance.now();if(null!==n){var b=T-n;if(s||!(b>=250)||(this._reportStall(h),this.media)){var E=mt.bufferInfo(r,a,i.maxBufferHole);this._tryFixBufferStall(E,b)}}else this.stalled=T}}}else if(this.moved=!0,null!==n){if(this.stallReported){var S=self.performance.now()-n;l.b.warn("playback not stuck anymore @"+a+", after "+Math.round(S)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}}},e._tryFixBufferStall=function(t,e){var i=this.config,r=this.fragmentTracker,n=this.media;if(null!==n){var a=n.currentTime,s=r.getPartialFragment(a);if(s)if(this._trySkipBufferHole(s)||!this.media)return;t.len>i.maxBufferHole&&e>1e3*i.highBufferWatchdogPeriod&&(l.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())}},e._reportStall=function(t){var e=this.hls,i=this.media;!this.stallReported&&i&&(this.stallReported=!0,l.b.warn("Playback stalling at @"+i.currentTime+" due to low buffer ("+JSON.stringify(t)+")"),e.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:t.len}))},e._trySkipBufferHole=function(t){var e=this.config,i=this.hls,r=this.media;if(null===r)return 0;for(var n=r.currentTime,a=0,u=mt.getBuffered(r),h=0;h<u.length;h++){var d=u.start(h);if(n+e.maxBufferHole>=a&&n<d){var c=Math.max(d+.05,r.currentTime+.1);return l.b.warn("skipping hole, adjusting currentTime from "+n+" to "+c),this.moved=!0,this.stalled=null,r.currentTime=c,t&&i.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+n+" to "+c,frag:t}),c}a=u.end(h)}return 0},e._tryNudgeBuffer=function(){var t=this.config,e=this.hls,i=this.media,r=this.nudgeRetry;if(null!==i){var n=i.currentTime;if(this.nudgeRetry++,r<t.nudgeMaxRetry){var a=n+(r+1)*t.nudgeOffset;l.b.warn("Nudging 'currentTime' from "+n+" to "+a),i.currentTime=a,e.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else l.b.error("Playhead still not moving while enough data buffered @"+n+" after "+t.nudgeMaxRetry+" nudges"),e.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!0})}},t}();function ue(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function he(t,e){return(he=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var de=function(t){var e,i;function r(e,i){var r;return(r=t.call(this,e,i,"[stream-controller]")||this).audioCodecSwap=!1,r.gapController=null,r.level=-1,r._forceStartLoad=!1,r.altAudio=!1,r.audioOnly=!1,r.fragPlaying=null,r.onvplaying=null,r.onvseeked=null,r.fragLastKbps=0,r.couldBacktrack=!1,r.backtrackFragment=null,r.audioCodecSwitch=!1,r.videoBuffer=null,r._registerListeners(),r}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,he(e,i);var n,l,u,h=r.prototype;return h._registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.on(s.a.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),t.on(s.a.ERROR,this.onError,this),t.on(s.a.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.on(s.a.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.on(s.a.BUFFER_CREATED,this.onBufferCreated,this),t.on(s.a.BUFFER_FLUSHED,this.onBufferFlushed,this),t.on(s.a.LEVELS_UPDATED,this.onLevelsUpdated,this),t.on(s.a.FRAG_BUFFERED,this.onFragBuffered,this)},h._unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.off(s.a.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),t.off(s.a.ERROR,this.onError,this),t.off(s.a.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.off(s.a.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.off(s.a.BUFFER_CREATED,this.onBufferCreated,this),t.off(s.a.BUFFER_FLUSHED,this.onBufferFlushed,this),t.off(s.a.LEVELS_UPDATED,this.onLevelsUpdated,this),t.off(s.a.FRAG_BUFFERED,this.onFragBuffered,this)},h.onHandlerDestroying=function(){this._unregisterListeners(),this.onMediaDetaching()},h.startLoad=function(t){if(this.levels){var e=this.lastCurrentTime,i=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var r=i.startLevel;-1===r&&(i.config.testBandwidth&&this.levels.length>1?(r=0,this.bitrateTest=!0):r=i.nextAutoLevel),this.level=i.nextLoadLevel=r,this.loadedmetadata=!1}e>0&&-1===t&&(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=Ht,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this._forceStartLoad=!0,this.state=Kt},h.stopLoad=function(){this._forceStartLoad=!1,t.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case Ht:this.doTickIdle();break;case Zt:var t,e=this.levels,i=this.level,r=null==e||null===(t=e[i])||void 0===t?void 0:t.details;if(r&&(!r.live||this.levelLastLoaded===this.level)){if(this.waitForCdnTuneIn(r))break;this.state=Ht;break}break;case Yt:var n,a=self.performance.now(),s=this.retryDate;(!s||a>=s||null!==(n=this.media)&&void 0!==n&&n.seeking)&&(this.log("retryDate reached, switch back to IDLE state"),this.resetStartWhenNotLoaded(this.level),this.state=Ht)}this.onTickEnd()},h.onTickEnd=function(){t.prototype.onTickEnd.call(this),this.checkBuffer(),this.checkFragmentChanged()},h.doTickIdle=function(){var t,e,i=this.hls,r=this.levelLastLoaded,n=this.levels,a=this.media,o=i.config,l=i.nextLoadLevel;if(null!==r&&(a||!this.startFragRequested&&o.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)&&n&&n[l]){var u=n[l];this.level=i.nextLoadLevel=l;var h=u.details;if(!h||this.state===Zt||h.live&&this.levelLastLoaded!==l)this.state=Zt;else{var d=this.getMainFwdBufferInfo();if(null!==d)if(!(d.len>=this.getMaxBufferLength(u.maxBitrate))){if(this._streamEnded(d,h)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(s.a.BUFFER_EOS,c),void(this.state=Qt)}this.backtrackFragment&&this.backtrackFragment.start>d.end&&(this.backtrackFragment=null);var f=this.backtrackFragment?this.backtrackFragment.start:d.end,g=this.getNextFragment(f,h);if(this.couldBacktrack&&!this.fragPrevious&&g&&"initSegment"!==g.sn&&this.fragmentTracker.getState(g)!==ut.OK){var v,m=(null!=(v=this.backtrackFragment)?v:g).sn-h.startSN,y=h.fragments[m-1];y&&g.cc===y.cc&&(g=y,this.fragmentTracker.removeFragment(y))}else this.backtrackFragment&&d.len&&(this.backtrackFragment=null);if(g&&this.fragmentTracker.getState(g)===ut.OK&&this.nextLoadPosition>f){var T=this.audioOnly&&!this.altAudio?p.a.AUDIO:p.a.VIDEO;a&&this.afterBufferFlushed(a,T,w.b.MAIN),g=this.getNextFragment(this.nextLoadPosition,h)}g&&(!g.initSegment||g.initSegment.data||this.bitrateTest||(g=g.initSegment),"identity"!==(null===(t=g.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=g.decryptdata)&&void 0!==e&&e.key?this.loadFragment(g,h,f):this.loadKey(g,h))}}}},h.loadFragment=function(e,i,r){var n,a=this.fragmentTracker.getState(e);this.fragCurrent=e,a===ut.NOT_LOADED?"initSegment"===e.sn?this._loadInitSegment(e):this.bitrateTest?(this.log("Fragment "+e.sn+" of level "+e.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(e)):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,i,r)):a===ut.APPENDING?this.reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e):0===(null===(n=this.media)||void 0===n?void 0:n.buffered.length)&&this.fragmentTracker.removeAllFragments()},h.getAppendedFrag=function(t){var e=this.fragmentTracker.getAppendedFrag(t,w.b.MAIN);return e&&"fragment"in e?e.fragment:e},h.getBufferedFrag=function(t){return this.fragmentTracker.getBufferedFrag(t,w.b.MAIN)},h.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.end+.5):null},h.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.nextLevelSwitch=function(){var t=this.levels,e=this.media;if(null!=e&&e.readyState){var i,r=this.getAppendedFrag(e.currentTime);if(r&&r.start>1&&this.flushMainBuffer(0,r.start-1),!e.paused&&t){var n=t[this.hls.nextLoadLevel],a=this.fragLastKbps;i=a&&this.fragCurrent?this.fragCurrent.duration*n.maxBitrate/(1e3*a)+1:0}else i=0;var s=this.getBufferedFrag(e.currentTime+i);if(s){var o=this.followingBufferedFrag(s);if(o){this.abortCurrentFrag();var l=o.maxStartPTS?o.maxStartPTS:o.start,u=o.duration,h=Math.max(s.end,l+Math.min(Math.max(u-this.config.maxFragLookUpTolerance,.5*u),.75*u));this.flushMainBuffer(h,Number.POSITIVE_INFINITY)}}}},h.abortCurrentFrag=function(){var t=this.fragCurrent;switch(this.fragCurrent=null,this.backtrackFragment=null,null!=t&&t.loader&&t.loader.abort(),this.state){case Vt:case Wt:case Yt:case zt:case Xt:this.state=Ht}this.nextLoadPosition=this.getLoadPosition()},h.flushMainBuffer=function(e,i){t.prototype.flushMainBuffer.call(this,e,i,this.altAudio?"video":null)},h.onMediaAttached=function(e,i){t.prototype.onMediaAttached.call(this,e,i);var r=i.media;this.onvplaying=this.onMediaPlaying.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),r.addEventListener("playing",this.onvplaying),r.addEventListener("seeked",this.onvseeked),this.gapController=new le(this.config,r,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&this.onvplaying&&this.onvseeked&&(e.removeEventListener("playing",this.onvplaying),e.removeEventListener("seeked",this.onvseeked),this.onvplaying=this.onvseeked=null,this.videoBuffer=null),this.fragPlaying=null,this.gapController&&(this.gapController.destroy(),this.gapController=null),t.prototype.onMediaDetaching.call(this)},h.onMediaPlaying=function(){this.tick()},h.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:null;Object(a.a)(e)&&this.log("Media seeked to "+e.toFixed(3)),this.tick()},h.onManifestLoading=function(){this.log("Trigger BUFFER_RESET"),this.hls.trigger(s.a.BUFFER_RESET,void 0),this.fragmentTracker.removeAllFragments(),this.couldBacktrack=!1,this.startPosition=this.lastCurrentTime=0,this.fragPlaying=null,this.backtrackFragment=null},h.onManifestParsed=function(t,e){var i,r,n,a=!1,s=!1;e.levels.forEach((function(t){(i=t.audioCodec)&&(-1!==i.indexOf("mp4a.40.2")&&(a=!0),-1!==i.indexOf("mp4a.40.5")&&(s=!0))})),this.audioCodecSwitch=a&&s&&!("function"==typeof(null==(n=ie())||null===(r=n.prototype)||void 0===r?void 0:r.changeType)),this.audioCodecSwitch&&this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=e.levels,this.startFragRequested=!1},h.onLevelLoading=function(t,e){var i=this.levels;if(i&&this.state===Ht){var r=i[e.level];(!r.details||r.details.live&&this.levelLastLoaded!==e.level||this.waitForCdnTuneIn(r.details))&&(this.state=Zt)}},h.onLevelLoaded=function(t,e){var i,r=this.levels,n=e.level,a=e.details,o=a.totalduration;if(r){this.log("Level "+n+" loaded ["+a.startSN+","+a.endSN+"], cc ["+a.startCC+", "+a.endCC+"] duration:"+o);var l=this.fragCurrent;!l||this.state!==Wt&&this.state!==Yt||l.level!==e.level&&l.loader&&(this.state=Ht,this.backtrackFragment=null,l.loader.abort());var u=r[n],h=0;if(a.live||null!==(i=u.details)&&void 0!==i&&i.live){if(a.fragments[0]||(a.deltaUpdateFailed=!0),a.deltaUpdateFailed)return;h=this.alignPlaylists(a,u.details)}if(u.details=a,this.levelLastLoaded=n,this.hls.trigger(s.a.LEVEL_UPDATED,{details:a,level:n}),this.state===Zt){if(this.waitForCdnTuneIn(a))return;this.state=Ht}this.startFragRequested?a.live&&this.synchronizeToLiveEdge(a):this.setStartPosition(a,h),this.tick()}else this.warn("Levels were reset while loading level "+n)},h._handleFragmentLoadProgress=function(t){var e,i=t.frag,r=t.part,n=t.payload,a=this.levels;if(a){var s=a[i.level],o=s.details;if(o){var l=s.videoCodec,u=o.PTSKnown||!o.live,h=null===(e=i.initSegment)||void 0===e?void 0:e.data,d=this._getAudioCodec(s),c=this.transmuxer=this.transmuxer||new oe(this.hls,w.b.MAIN,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)),f=r?r.index:-1,g=-1!==f,v=new yt(i.level,i.sn,i.stats.chunkCount,n.byteLength,f,g),p=this.initPTS[i.cc];c.push(n,h,d,l,i,r,o.totalduration,u,v,p)}else this.warn("Dropping fragment "+i.sn+" of level "+i.level+" after level details were reset")}else this.warn("Levels were reset while fragment load was in progress. Fragment "+i.sn+" of level "+i.level+" will not be buffered")},h.onAudioTrackSwitching=function(t,e){var i=this.altAudio,r=!!e.url,n=e.id;if(!r){if(this.mediaBuffer!==this.media){this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var a=this.fragCurrent;null!=a&&a.loader&&(this.log("Switching to main audio track, cancel main fragment load"),a.loader.abort()),this.resetTransmuxer(),this.resetLoadingState()}else this.audioOnly&&this.resetTransmuxer();var o=this.hls;i&&o.trigger(s.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),o.trigger(s.a.AUDIO_TRACK_SWITCHED,{id:n})}},h.onAudioTrackSwitched=function(t,e){var i=e.id,r=!!this.hls.audioTracks[i].url;if(r){var n=this.videoBuffer;n&&this.mediaBuffer!==n&&(this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=n)}this.altAudio=r,this.tick()},h.onBufferCreated=function(t,e){var i,r,n=e.tracks,a=!1;for(var s in n){var o=n[s];if("main"===o.id){if(r=s,i=o,"video"===s){var l=n[s];l&&(this.videoBuffer=l.buffer)}}else a=!0}a&&i?(this.log("Alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=i.buffer):this.mediaBuffer=this.media},h.onFragBuffered=function(t,e){var i=e.frag,r=e.part;if(!i||i.type===w.b.MAIN){if(this.fragContextChanged(i))return this.warn("Fragment "+i.sn+(r?" p: "+r.index:"")+" of level "+i.level+" finished buffering, but was aborted. state: "+this.state),void(this.state===Xt&&(this.state=Ht));var n=r?r.stats:i.stats;this.fragLastKbps=Math.round(8*n.total/(n.buffering.end-n.loading.first)),"initSegment"!==i.sn&&(this.fragPrevious=i),this.fragBufferedComplete(i,r)}},h.onError=function(t,e){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:this.onFragmentOrKeyLoadError(w.b.MAIN,e);break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:this.state!==$t&&(e.fatal?(this.warn(""+e.details),this.state=$t):e.levelRetry||this.state!==Zt||(this.state=Ht));break;case o.a.BUFFER_FULL_ERROR:if("main"===e.parent&&(this.state===zt||this.state===Xt)){var i=!0,r=this.getFwdBufferInfo(this.media,w.b.MAIN);r&&r.len>.5&&(i=!this.reduceMaxBufferLength(r.len)),i&&(this.warn("buffer full error also media.currentTime is not buffered, flush main"),this.immediateLevelSwitch()),this.resetLoadingState()}}},h.checkBuffer=function(){var t=this.media,e=this.gapController;if(t&&e&&t.readyState){if(this.loadedmetadata||!mt.getBuffered(t).length){var i=this.state!==Ht?this.fragCurrent:null;e.poll(this.lastCurrentTime,i)}this.lastCurrentTime=t.currentTime}},h.onFragLoadEmergencyAborted=function(){this.state=Ht,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tickImmediate()},h.onBufferFlushed=function(t,e){var i=e.type;if(i!==p.a.AUDIO||this.audioOnly&&!this.altAudio){var r=(i===p.a.VIDEO?this.videoBuffer:this.mediaBuffer)||this.media;this.afterBufferFlushed(r,i,w.b.MAIN)}},h.onLevelsUpdated=function(t,e){this.levels=e.levels},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h.seekToStartPos=function(){var t=this.media;if(t){var e=t.currentTime,i=this.startPosition;if(i>=0&&e<i){if(t.seeking)return void this.log("could not seek to "+i+", already seeking at "+e);var r=mt.getBuffered(t),n=(r.length?r.start(0):0)-i;n>0&&(n<this.config.maxBufferHole||n<this.config.maxFragLookUpTolerance)&&(this.log("adjusting start position by "+n+" to match buffer start"),i+=n,this.startPosition=i),this.log("seek to target start position "+i+" from current time "+e),t.currentTime=i}}},h._getAudioCodec=function(t){var e=this.config.defaultAudioCodec||t.audioCodec;return this.audioCodecSwap&&e&&(this.log("Swapping audio codec"),e=-1!==e.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),e},h._loadBitrateTestFrag=function(t){var e=this;t.bitrateTest=!0,this._doFragLoad(t).then((function(i){var r=e.hls;if(i&&!r.nextLoadLevel&&!e.fragContextChanged(t)){e.fragLoadError=0,e.state=Ht,e.startFragRequested=!1,e.bitrateTest=!1;var n=t.stats;n.parsing.start=n.parsing.end=n.buffering.start=n.buffering.end=self.performance.now(),r.trigger(s.a.FRAG_LOADED,i),t.bitrateTest=!1}}))},h._handleTransmuxComplete=function(t){var e,i="main",r=this.hls,n=t.remuxResult,o=t.chunkMeta,l=this.getCurrentContext(o);if(!l)return this.warn("The loading context changed while buffering fragment "+o.sn+" of level "+o.level+". This chunk will not be buffered."),void this.resetStartWhenNotLoaded(o.level);var u=l.frag,h=l.part,d=l.level,c=n.video,f=n.text,g=n.id3,v=n.initSegment,m=d.details,y=this.altAudio?void 0:n.audio;if(!this.fragContextChanged(u)){if(this.state=zt,v){v.tracks&&(this._bufferInitSegment(d,v.tracks,u,o),r.trigger(s.a.FRAG_PARSING_INIT_SEGMENT,{frag:u,id:i,tracks:v.tracks}));var T=v.initPTS,b=v.timescale;Object(a.a)(T)&&(this.initPTS[u.cc]=T,r.trigger(s.a.INIT_PTS_FOUND,{frag:u,id:i,initPTS:T,timescale:b}))}if(c&&!1!==n.independent){if(m){var E=c.startPTS,S=c.endPTS,L=c.startDTS,A=c.endDTS;if(h)h.elementaryStreams[c.type]={startPTS:E,endPTS:S,startDTS:L,endDTS:A};else if(c.firstKeyFrame&&c.independent&&(this.couldBacktrack=!0),c.dropped&&c.independent){var D=this.getMainFwdBufferInfo();if((D?D.end:this.getLoadPosition())+this.config.maxBufferHole<(c.firstKeyFramePTS?c.firstKeyFramePTS:E)-this.config.maxBufferHole)return void this.backtrack(u);u.setElementaryStreamInfo(c.type,u.start,S,u.start,A,!0)}u.setElementaryStreamInfo(c.type,E,S,L,A),this.backtrackFragment&&(this.backtrackFragment=u),this.bufferFragmentData(c,u,h,o)}}else if(!1===n.independent)return void this.backtrack(u);if(y){var R=y.startPTS,k=y.endPTS,_=y.startDTS,I=y.endDTS;h&&(h.elementaryStreams[p.a.AUDIO]={startPTS:R,endPTS:k,startDTS:_,endDTS:I}),u.setElementaryStreamInfo(p.a.AUDIO,R,k,_,I),this.bufferFragmentData(y,u,h,o)}if(m&&null!=g&&null!==(e=g.samples)&&void 0!==e&&e.length){var O={id:i,frag:u,details:m,samples:g.samples};r.trigger(s.a.FRAG_PARSING_METADATA,O)}if(m&&f){var C={id:i,frag:u,details:m,samples:f.samples};r.trigger(s.a.FRAG_PARSING_USERDATA,C)}}},h._bufferInitSegment=function(t,e,i,r){var n=this;if(this.state===zt){this.audioOnly=!!e.audio&&!e.video,this.altAudio&&!this.audioOnly&&delete e.audio;var a=e.audio,o=e.video,l=e.audiovideo;if(a){var u=t.audioCodec,h=navigator.userAgent.toLowerCase();this.audioCodecSwitch&&(u&&(u=-1!==u.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),1!==a.metadata.channelCount&&-1===h.indexOf("firefox")&&(u="mp4a.40.5")),-1!==h.indexOf("android")&&"audio/mpeg"!==a.container&&(u="mp4a.40.2",this.log("Android: force audio codec to "+u)),t.audioCodec&&t.audioCodec!==u&&this.log('Swapping manifest audio codec "'+t.audioCodec+'" for "'+u+'"'),a.levelCodec=u,a.id="main",this.log("Init audio buffer, container:"+a.container+", codecs[selected/level/parsed]=["+(u||"")+"/"+(t.audioCodec||"")+"/"+a.codec+"]")}o&&(o.levelCodec=t.videoCodec,o.id="main",this.log("Init video buffer, container:"+o.container+", codecs[level/parsed]=["+(t.videoCodec||"")+"/"+o.codec+"]")),l&&this.log("Init audiovideo buffer, container:"+l.container+", codecs[level/parsed]=["+(t.attrs.CODECS||"")+"/"+l.codec+"]"),this.hls.trigger(s.a.BUFFER_CODECS,e),Object.keys(e).forEach((function(t){var a=e[t].initSegment;null!=a&&a.byteLength&&n.hls.trigger(s.a.BUFFER_APPENDING,{type:t,data:a,frag:i,part:null,chunkMeta:r,parent:i.type})})),this.tick()}},h.getMainFwdBufferInfo=function(){return this.getFwdBufferInfo(this.mediaBuffer?this.mediaBuffer:this.media,w.b.MAIN)},h.backtrack=function(t){this.couldBacktrack=!0,this.backtrackFragment=t,this.resetTransmuxer(),this.flushBufferGap(t),this.fragmentTracker.removeFragment(t),this.fragPrevious=null,this.nextLoadPosition=t.start,this.state=Ht},h.checkFragmentChanged=function(){var t=this.media,e=null;if(t&&t.readyState>1&&!1===t.seeking){var i=t.currentTime;if(mt.isBuffered(t,i)?e=this.getAppendedFrag(i):mt.isBuffered(t,i+.1)&&(e=this.getAppendedFrag(i+.1)),e){this.backtrackFragment=null;var r=this.fragPlaying,n=e.level;r&&e.sn===r.sn&&r.level===n&&e.urlId===r.urlId||(this.hls.trigger(s.a.FRAG_CHANGED,{frag:e}),r&&r.level===n||this.hls.trigger(s.a.LEVEL_SWITCHED,{level:n}),this.fragPlaying=e)}}},n=r,(l=[{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"currentFrag",get:function(){var t=this.media;return t?this.fragPlaying||this.getAppendedFrag(t.currentTime):null}},{key:"currentProgramDateTime",get:function(){var t=this.media;if(t){var e=t.currentTime,i=this.currentFrag;if(i&&Object(a.a)(e)&&Object(a.a)(i.programDateTime)){var r=i.programDateTime+1e3*(e-i.start);return new Date(r)}}return null}},{key:"currentLevel",get:function(){var t=this.currentFrag;return t?t.level:-1}},{key:"nextBufferedFrag",get:function(){var t=this.currentFrag;return t?this.followingBufferedFrag(t):null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])&&ue(n.prototype,l),u&&ue(n,u),Object.defineProperty(n,"prototype",{writable:!1}),r}(te),ce=function(){function t(t,e,i){void 0===e&&(e=0),void 0===i&&(i=0),this.halfLife=void 0,this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.halfLife=t,this.alpha_=t?Math.exp(Math.log(.5)/t):0,this.estimate_=e,this.totalWeight_=i}var e=t.prototype;return e.sample=function(t,e){var i=Math.pow(this.alpha_,t);this.estimate_=e*(1-i)+i*this.estimate_,this.totalWeight_+=t},e.getTotalWeight=function(){return this.totalWeight_},e.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);if(t)return this.estimate_/t}return this.estimate_},t}(),fe=function(){function t(t,e,i){this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.defaultEstimate_=i,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new ce(t),this.fast_=new ce(e)}var e=t.prototype;return e.update=function(t,e){var i=this.slow_,r=this.fast_;this.slow_.halfLife!==t&&(this.slow_=new ce(t,i.getEstimate(),i.getTotalWeight())),this.fast_.halfLife!==e&&(this.fast_=new ce(e,r.getEstimate(),r.getTotalWeight()))},e.sample=function(t,e){var i=(t=Math.max(t,this.minDelayMs_))/1e3,r=8*e/i;this.fast_.sample(i,r),this.slow_.sample(i,r)},e.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},e.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},e.destroy=function(){},t}();function ge(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var ve=function(){function t(t){this.hls=void 0,this.lastLoadedFragLevel=0,this._nextAutoLevel=-1,this.timer=void 0,this.onCheck=this._abandonRulesCheck.bind(this),this.fragCurrent=null,this.partCurrent=null,this.bitrateTestDelay=0,this.bwEstimator=void 0,this.hls=t;var e=t.config;this.bwEstimator=new fe(e.abrEwmaSlowVoD,e.abrEwmaFastVoD,e.abrEwmaDefaultEstimate),this.registerListeners()}var e,i,r,n=t.prototype;return n.registerListeners=function(){var t=this.hls;t.on(s.a.FRAG_LOADING,this.onFragLoading,this),t.on(s.a.FRAG_LOADED,this.onFragLoaded,this),t.on(s.a.FRAG_BUFFERED,this.onFragBuffered,this),t.on(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.on(s.a.ERROR,this.onError,this)},n.unregisterListeners=function(){var t=this.hls;t.off(s.a.FRAG_LOADING,this.onFragLoading,this),t.off(s.a.FRAG_LOADED,this.onFragLoaded,this),t.off(s.a.FRAG_BUFFERED,this.onFragBuffered,this),t.off(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.off(s.a.ERROR,this.onError,this)},n.destroy=function(){this.unregisterListeners(),this.clearTimer(),this.hls=this.onCheck=null,this.fragCurrent=this.partCurrent=null},n.onFragLoading=function(t,e){var i,r=e.frag;r.type===w.b.MAIN&&(this.timer||(this.fragCurrent=r,this.partCurrent=null!=(i=e.part)?i:null,this.timer=self.setInterval(this.onCheck,100)))},n.onLevelLoaded=function(t,e){var i=this.hls.config;e.details.live?this.bwEstimator.update(i.abrEwmaSlowLive,i.abrEwmaFastLive):this.bwEstimator.update(i.abrEwmaSlowVoD,i.abrEwmaFastVoD)},n._abandonRulesCheck=function(){var t=this.fragCurrent,e=this.partCurrent,i=this.hls,r=i.autoLevelEnabled,n=(i.config,i.media);if(t&&n){var o=e?e.stats:t.stats,u=e?e.duration:t.duration;if(o.aborted||o.loaded&&o.loaded===o.total||0===t.level)return this.clearTimer(),void(this._nextAutoLevel=-1);if(r&&!n.paused&&n.playbackRate&&n.readyState){var h=i.mainForwardBufferInfo;if(null!==h){var d=performance.now()-o.loading.start,c=Math.abs(n.playbackRate);if(!(d<=500*u/c)){var f=o.loaded&&o.loading.first,g=this.bwEstimator.getEstimate(),v=i.levels,p=i.minAutoLevel,m=v[t.level],y=o.total||Math.max(o.loaded,Math.round(u*m.maxBitrate/8)),T=f?1e3*o.loaded/d:0,b=T?(y-o.loaded)/T:8*y/g,E=h.len/c;if(!(b<=E)){var S,L=Number.POSITIVE_INFINITY;for(S=t.level-1;S>p;S--){var A=v[S].maxBitrate;if((L=T?u*A/(6.4*T):u*A/g)<E)break}L>=b||(l.b.warn("Fragment "+t.sn+(e?" part "+e.index:"")+" of level "+t.level+" is loading too slowly and will cause an underbuffer; aborting and switching to level "+S+"\n      Current BW estimate: "+(Object(a.a)(g)?(g/1024).toFixed(3):"Unknown")+" Kb/s\n      Estimated load time for current fragment: "+b.toFixed(3)+" s\n      Estimated load time for the next fragment: "+L.toFixed(3)+" s\n      Time to underbuffer: "+E.toFixed(3)+" s"),i.nextLoadLevel=S,f&&this.bwEstimator.sample(d,o.loaded),this.clearTimer(),t.loader&&(this.fragCurrent=this.partCurrent=null,t.loader.abort()),i.trigger(s.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:t,part:e,stats:o}))}}}}}},n.onFragLoaded=function(t,e){var i=e.frag,r=e.part;if(i.type===w.b.MAIN&&Object(a.a)(i.sn)){var n=r?r.stats:i.stats,o=r?r.duration:i.duration;if(this.clearTimer(),this.lastLoadedFragLevel=i.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var l=this.hls.levels[i.level],u=(l.loaded?l.loaded.bytes:0)+n.loaded,h=(l.loaded?l.loaded.duration:0)+o;l.loaded={bytes:u,duration:h},l.realBitrate=Math.round(8*u/h)}if(i.bitrateTest){var d={stats:n,frag:i,part:r,id:i.type};this.onFragBuffered(s.a.FRAG_BUFFERED,d)}}},n.onFragBuffered=function(t,e){var i=e.frag,r=e.part,n=r?r.stats:i.stats;if(!n.aborted&&i.type===w.b.MAIN&&"initSegment"!==i.sn){var a=n.parsing.end-n.loading.start;this.bwEstimator.sample(a,n.loaded),n.bwEstimate=this.bwEstimator.getEstimate(),i.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},n.onError=function(t,e){switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},n.clearTimer=function(){self.clearInterval(this.timer),this.timer=void 0},n.getNextABRAutoLevel=function(){var t=this.fragCurrent,e=this.partCurrent,i=this.hls,r=i.maxAutoLevel,n=i.config,a=i.minAutoLevel,s=i.media,o=e?e.duration:t?t.duration:0,u=(s&&s.currentTime,s&&0!==s.playbackRate?Math.abs(s.playbackRate):1),h=this.bwEstimator?this.bwEstimator.getEstimate():n.abrEwmaDefaultEstimate,d=i.mainForwardBufferInfo,c=(d?d.len:0)/u,f=this.findBestLevel(h,a,r,c,n.abrBandWidthFactor,n.abrBandWidthUpFactor);if(f>=0)return f;l.b.trace((c?"rebuffering expected":"buffer is empty")+", finding optimal quality level");var g=o?Math.min(o,n.maxStarvationDelay):n.maxStarvationDelay,v=n.abrBandWidthFactor,p=n.abrBandWidthUpFactor;if(!c){var m=this.bitrateTestDelay;if(m)g=(o?Math.min(o,n.maxLoadingDelay):n.maxLoadingDelay)-m,l.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),v=p=1}return f=this.findBestLevel(h,a,r,c+g,v,p),Math.max(f,0)},n.findBestLevel=function(t,e,i,r,n,s){for(var o,u=this.fragCurrent,h=this.partCurrent,d=this.lastLoadedFragLevel,c=this.hls.levels,f=c[d],g=!(null==f||null===(o=f.details)||void 0===o||!o.live),v=null==f?void 0:f.codecSet,p=h?h.duration:u?u.duration:0,m=i;m>=e;m--){var y=c[m];if(y&&(!v||y.codecSet===v)){var T=y.details,b=(h?null==T?void 0:T.partTarget:null==T?void 0:T.averagetargetduration)||p,E=void 0;E=m<=d?n*t:s*t;var S=c[m].maxBitrate,L=S*b/E;if(l.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+m+"/"+Math.round(E)+"/"+S+"/"+b+"/"+r+"/"+L),E>S&&(0===L||!Object(a.a)(L)||g&&!this.bitrateTestDelay||L<r))return m}}return-1},e=t,(i=[{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this.bwEstimator;if(-1!==t&&!e.canEstimate())return t;var i=this.getNextABRAutoLevel();return-1!==t&&this.hls.levels[i].loadError?t:(-1!==t&&(i=Math.min(t,i)),i)},set:function(t){this._nextAutoLevel=t}}])&&ge(e.prototype,i),r&&ge(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}(),pe=function(){function t(){this.chunks=[],this.dataLength=0}var e=t.prototype;return e.push=function(t){this.chunks.push(t),this.dataLength+=t.length},e.flush=function(){var t,e=this.chunks,i=this.dataLength;return e.length?(t=1===e.length?e[0]:function(t,e){for(var i=new Uint8Array(e),r=0,n=0;n<t.length;n++){var a=t[n];i.set(a,r),r+=a.length}return i}(e,i),this.reset(),t):new Uint8Array(0)},e.reset=function(){this.chunks.length=0,this.dataLength=0},t}();function me(){return(me=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}function ye(t,e){return(ye=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var Te=function(t){var e,i;function r(e,i){var r;return(r=t.call(this,e,i,"[audio-stream-controller]")||this).videoBuffer=null,r.videoTrackCC=-1,r.waitingVideoCC=-1,r.audioSwitch=!1,r.trackId=-1,r.waitingData=null,r.mainDetails=null,r.bufferFlushed=!1,r.cachedTrackLoadedData=null,r._registerListeners(),r}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,ye(e,i);var n=r.prototype;return n.onHandlerDestroying=function(){this._unregisterListeners(),this.mainDetails=null},n._registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.on(s.a.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),t.on(s.a.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.on(s.a.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.on(s.a.ERROR,this.onError,this),t.on(s.a.BUFFER_RESET,this.onBufferReset,this),t.on(s.a.BUFFER_CREATED,this.onBufferCreated,this),t.on(s.a.BUFFER_FLUSHED,this.onBufferFlushed,this),t.on(s.a.INIT_PTS_FOUND,this.onInitPtsFound,this),t.on(s.a.FRAG_BUFFERED,this.onFragBuffered,this)},n._unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.off(s.a.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),t.off(s.a.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.off(s.a.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.off(s.a.ERROR,this.onError,this),t.off(s.a.BUFFER_RESET,this.onBufferReset,this),t.off(s.a.BUFFER_CREATED,this.onBufferCreated,this),t.off(s.a.BUFFER_FLUSHED,this.onBufferFlushed,this),t.off(s.a.INIT_PTS_FOUND,this.onInitPtsFound,this),t.off(s.a.FRAG_BUFFERED,this.onFragBuffered,this)},n.onInitPtsFound=function(t,e){var i=e.frag,r=e.id,n=e.initPTS;if("main"===r){var a=i.cc;this.initPTS[i.cc]=n,this.log("InitPTS for cc: "+a+" found from main: "+n),this.videoTrackCC=a,this.state===Jt&&this.tick()}},n.startLoad=function(t){if(!this.levels)return this.startPosition=t,void(this.state=Kt);var e=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,e>0&&-1===t?(this.log("Override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e,this.state=Ht):(this.loadedmetadata=!1,this.state=qt),this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()},n.doTick=function(){switch(this.state){case Ht:this.doTickIdle();break;case qt:var e,i=this.levels,r=this.trackId,n=null==i||null===(e=i[r])||void 0===e?void 0:e.details;if(n){if(this.waitForCdnTuneIn(n))break;this.state=Jt}break;case Yt:var a,s=performance.now(),o=this.retryDate;(!o||s>=o||null!==(a=this.media)&&void 0!==a&&a.seeking)&&(this.log("RetryDate reached, switch back to IDLE state"),this.resetStartWhenNotLoaded(this.trackId),this.state=Ht);break;case Jt:var l=this.waitingData;if(l){var u=l.frag,h=l.part,d=l.cache,c=l.complete;if(void 0!==this.initPTS[u.cc]){this.waitingData=null,this.waitingVideoCC=-1,this.state=Wt;var f={frag:u,part:h,payload:d.flush(),networkDetails:null};this._handleFragmentLoadProgress(f),c&&t.prototype._handleFragmentLoadComplete.call(this,f)}else if(this.videoTrackCC!==this.waitingVideoCC)this.log("Waiting fragment cc ("+u.cc+") cancelled because video is at cc "+this.videoTrackCC),this.clearWaitingFragment();else{var g=this.getLoadPosition(),v=mt.bufferInfo(this.mediaBuffer,g,this.config.maxBufferHole);Rt(v.end,this.config.maxFragLookUpTolerance,u)<0&&(this.log("Waiting fragment cc ("+u.cc+") @ "+u.start+" cancelled because another fragment at "+v.end+" is needed"),this.clearWaitingFragment())}}else this.state=Ht}this.onTickEnd()},n.clearWaitingFragment=function(){var t=this.waitingData;t&&(this.fragmentTracker.removeFragment(t.frag),this.waitingData=null,this.waitingVideoCC=-1,this.state=Ht)},n.resetLoadingState=function(){this.clearWaitingFragment(),t.prototype.resetLoadingState.call(this)},n.onTickEnd=function(){var t=this.media;if(t&&t.readyState){var e=(this.mediaBuffer?this.mediaBuffer:t).buffered;!this.loadedmetadata&&e.length&&(this.loadedmetadata=!0),this.lastCurrentTime=t.currentTime}},n.doTickIdle=function(){var t,e,i=this.hls,r=this.levels,n=this.media,a=this.trackId,o=i.config;if(r&&r[a]&&(n||!this.startFragRequested&&o.startFragPrefetch)){var l=r[a].details;if(!l||l.live&&this.levelLastLoaded!==a||this.waitForCdnTuneIn(l))this.state=qt;else{var u=this.mediaBuffer?this.mediaBuffer:this.media;this.bufferFlushed&&u&&(this.bufferFlushed=!1,this.afterBufferFlushed(u,p.a.AUDIO,w.b.AUDIO));var h=this.getFwdBufferInfo(u,w.b.AUDIO);if(null!==h){var d=this.getFwdBufferInfo(this.videoBuffer?this.videoBuffer:this.media,w.b.MAIN),c=h.len,f=this.getMaxBufferLength(null==d?void 0:d.len),g=this.audioSwitch;if(!(c>=f)||g){if(!g&&this._streamEnded(h,l))return i.trigger(s.a.BUFFER_EOS,{type:"audio"}),void(this.state=Qt);var v=l.fragments[0].start,m=h.end;if(g&&n){var y=this.getLoadPosition();m=y,l.PTSKnown&&y<v&&(h.end>v||h.nextStart)&&(this.log("Alt audio track ahead of main track, seek to start of alt audio track"),n.currentTime=v+.05)}if(!(d&&m>d.end+l.targetduration)&&(d&&d.len||!h.len)){var T=this.getNextFragment(m,l);T?"identity"!==(null===(t=T.decryptdata)||void 0===t?void 0:t.keyFormat)||null!==(e=T.decryptdata)&&void 0!==e&&e.key?this.loadFragment(T,l,m):this.loadKey(T,l):this.bufferFlushed=!0}}}}}},n.getMaxBufferLength=function(e){var i=t.prototype.getMaxBufferLength.call(this);return e?Math.max(i,e):i},n.onMediaDetaching=function(){this.videoBuffer=null,t.prototype.onMediaDetaching.call(this)},n.onAudioTracksUpdated=function(t,e){var i=e.audioTracks;this.resetTransmuxer(),this.levels=i.map((function(t){return new Q(t)}))},n.onAudioTrackSwitching=function(t,e){var i=!!e.url;this.trackId=e.id;var r=this.fragCurrent;null!=r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.clearWaitingFragment(),i?this.setInterval(100):this.resetTransmuxer(),i?(this.audioSwitch=!0,this.state=Ht):this.state=Kt,this.tick()},n.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments(),this.startPosition=this.lastCurrentTime=0,this.bufferFlushed=!1},n.onLevelLoaded=function(t,e){this.mainDetails=e.details,null!==this.cachedTrackLoadedData&&(this.hls.trigger(s.a.AUDIO_TRACK_LOADED,this.cachedTrackLoadedData),this.cachedTrackLoadedData=null)},n.onAudioTrackLoaded=function(t,e){var i;if(null!=this.mainDetails){var r=this.levels,n=e.details,a=e.id;if(r){this.log("Track "+a+" loaded ["+n.startSN+","+n.endSN+"],duration:"+n.totalduration);var s=r[a],o=0;if(n.live||null!==(i=s.details)&&void 0!==i&&i.live){var l=this.mainDetails;if(n.fragments[0]||(n.deltaUpdateFailed=!0),n.deltaUpdateFailed||!l)return;!s.details&&n.hasProgramDateTime&&l.hasProgramDateTime?(Lt(n,l),o=n.fragments[0].start):o=this.alignPlaylists(n,s.details)}s.details=n,this.levelLastLoaded=a,this.startFragRequested||!this.mainDetails&&n.live||this.setStartPosition(s.details,o),this.state!==qt||this.waitForCdnTuneIn(n)||(this.state=Ht),this.tick()}else this.warn("Audio tracks were reset while loading level "+a)}else this.cachedTrackLoadedData=e},n._handleFragmentLoadProgress=function(t){var e,i=t.frag,r=t.part,n=t.payload,a=this.config,s=this.trackId,o=this.levels;if(o){var l=o[s],u=l.details,h=a.defaultAudioCodec||l.audioCodec||"mp4a.40.2",d=this.transmuxer;d||(d=this.transmuxer=new oe(this.hls,w.b.AUDIO,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));var c=this.initPTS[i.cc],f=null===(e=i.initSegment)||void 0===e?void 0:e.data;if(void 0!==c){var g=r?r.index:-1,v=-1!==g,p=new yt(i.level,i.sn,i.stats.chunkCount,n.byteLength,g,v);d.push(n,f,h,"",i,r,u.totalduration,!1,p,c)}else{this.log("Unknown video PTS for cc "+i.cc+", waiting for video PTS before demuxing audio frag "+i.sn+" of ["+u.startSN+" ,"+u.endSN+"],track "+s),(this.waitingData=this.waitingData||{frag:i,part:r,cache:new pe,complete:!1}).cache.push(new Uint8Array(n)),this.waitingVideoCC=this.videoTrackCC,this.state=Jt}}else this.warn("Audio tracks were reset while fragment load was in progress. Fragment "+i.sn+" of level "+i.level+" will not be buffered")},n._handleFragmentLoadComplete=function(e){this.waitingData?this.waitingData.complete=!0:t.prototype._handleFragmentLoadComplete.call(this,e)},n.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},n.onBufferCreated=function(t,e){var i=e.tracks.audio;i&&(this.mediaBuffer=i.buffer||null),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer||null)},n.onFragBuffered=function(t,e){var i=e.frag,r=e.part;i.type===w.b.AUDIO&&(this.fragContextChanged(i)?this.warn("Fragment "+i.sn+(r?" p: "+r.index:"")+" of level "+i.level+" finished buffering, but was aborted. state: "+this.state+", audioSwitch: "+this.audioSwitch):("initSegment"!==i.sn&&(this.fragPrevious=i,this.audioSwitch&&(this.audioSwitch=!1,this.hls.trigger(s.a.AUDIO_TRACK_SWITCHED,{id:this.trackId}))),this.fragBufferedComplete(i,r)))},n.onError=function(e,i){switch(i.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:this.onFragmentOrKeyLoadError(w.b.AUDIO,i);break;case o.a.AUDIO_TRACK_LOAD_ERROR:case o.a.AUDIO_TRACK_LOAD_TIMEOUT:this.state!==$t&&this.state!==Kt&&(this.state=i.fatal?$t:Ht,this.warn(i.details+" while loading frag, switching to "+this.state+" state"));break;case o.a.BUFFER_FULL_ERROR:if("audio"===i.parent&&(this.state===zt||this.state===Xt)){var r=!0,n=this.getFwdBufferInfo(this.mediaBuffer,w.b.AUDIO);n&&n.len>.5&&(r=!this.reduceMaxBufferLength(n.len)),r&&(this.warn("Buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,t.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio")),this.resetLoadingState()}}},n.onBufferFlushed=function(t,e){e.type===p.a.AUDIO&&(this.bufferFlushed=!0)},n._handleTransmuxComplete=function(t){var e,i="audio",r=this.hls,n=t.remuxResult,a=t.chunkMeta,o=this.getCurrentContext(a);if(!o)return this.warn("The loading context changed while buffering fragment "+a.sn+" of level "+a.level+". This chunk will not be buffered."),void this.resetStartWhenNotLoaded(a.level);var l=o.frag,u=o.part,h=o.level.details,d=n.audio,c=n.text,f=n.id3,g=n.initSegment;if(!this.fragContextChanged(l)&&h){if(this.state=zt,this.audioSwitch&&d&&this.completeAudioSwitch(),null!=g&&g.tracks&&(this._bufferInitSegment(g.tracks,l,a),r.trigger(s.a.FRAG_PARSING_INIT_SEGMENT,{frag:l,id:i,tracks:g.tracks})),d){var v=d.startPTS,m=d.endPTS,y=d.startDTS,T=d.endDTS;u&&(u.elementaryStreams[p.a.AUDIO]={startPTS:v,endPTS:m,startDTS:y,endDTS:T}),l.setElementaryStreamInfo(p.a.AUDIO,v,m,y,T),this.bufferFragmentData(d,l,u,a)}if(null!=f&&null!==(e=f.samples)&&void 0!==e&&e.length){var b=me({id:i,frag:l,details:h},f);r.trigger(s.a.FRAG_PARSING_METADATA,b)}if(c){var E=me({id:i,frag:l,details:h},c);r.trigger(s.a.FRAG_PARSING_USERDATA,E)}}},n._bufferInitSegment=function(t,e,i){if(this.state===zt){t.video&&delete t.video;var r=t.audio;if(r){r.levelCodec=r.codec,r.id="audio",this.log("Init audio buffer, container:"+r.container+", codecs[parsed]=["+r.codec+"]"),this.hls.trigger(s.a.BUFFER_CODECS,t);var n=r.initSegment;if(null!=n&&n.byteLength){var a={type:"audio",frag:e,part:null,chunkMeta:i,parent:e.type,data:n};this.hls.trigger(s.a.BUFFER_APPENDING,a)}this.tick()}}},n.loadFragment=function(e,i,r){var n=this.fragmentTracker.getState(e);this.fragCurrent=e,(this.audioSwitch||n===ut.NOT_LOADED||n===ut.PARTIAL)&&("initSegment"===e.sn?this._loadInitSegment(e):i.live&&!Object(a.a)(this.initPTS[e.cc])?(this.log("Waiting for video PTS in continuity counter "+e.cc+" of live stream before loading audio fragment "+e.sn+" of level "+this.trackId),this.state=Jt):(this.startFragRequested=!0,t.prototype.loadFragment.call(this,e,i,r)))},n.completeAudioSwitch=function(){var e=this.hls,i=this.media,r=this.trackId;i&&(this.log("Switching audio track : flushing all audio"),t.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio")),this.audioSwitch=!1,e.trigger(s.a.AUDIO_TRACK_SWITCHED,{id:r})},r}(te);function be(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function Ee(t,e){return(Ee=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var Se=function(t){var e,i;function r(e){var i;return(i=t.call(this,e,"[audio-track-controller]")||this).tracks=[],i.groupId=null,i.tracksInGroup=[],i.trackId=-1,i.trackName="",i.selectDefaultTrack=!0,i.registerListeners(),i}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,Ee(e,i);var n,a,l,u=r.prototype;return u.registerListeners=function(){var t=this.hls;t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(s.a.LEVEL_SWITCHING,this.onLevelSwitching,this),t.on(s.a.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.on(s.a.ERROR,this.onError,this)},u.unregisterListeners=function(){var t=this.hls;t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.off(s.a.LEVEL_SWITCHING,this.onLevelSwitching,this),t.off(s.a.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.off(s.a.ERROR,this.onError,this)},u.destroy=function(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,t.prototype.destroy.call(this)},u.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.trackName="",this.selectDefaultTrack=!0},u.onManifestParsed=function(t,e){this.tracks=e.audioTracks||[]},u.onAudioTrackLoaded=function(t,e){var i=e.id,r=e.details,n=this.tracksInGroup[i];if(n){var a=n.details;n.details=e.details,this.log("audioTrack "+i+" loaded ["+r.startSN+"-"+r.endSN+"]"),i===this.trackId&&(this.retryCount=0,this.playlistLoaded(i,e,a))}else this.warn("Invalid audio track id "+i)},u.onLevelLoading=function(t,e){this.switchLevel(e.level)},u.onLevelSwitching=function(t,e){this.switchLevel(e.level)},u.switchLevel=function(t){var e=this.hls.levels[t];if(null!=e&&e.audioGroupIds){var i=e.audioGroupIds[e.urlId];if(this.groupId!==i){this.groupId=i;var r=this.tracks.filter((function(t){return!i||t.groupId===i}));this.selectDefaultTrack&&!r.some((function(t){return t.default}))&&(this.selectDefaultTrack=!1),this.tracksInGroup=r;var n={audioTracks:r};this.log("Updating audio tracks, "+r.length+' track(s) found in "'+i+'" group-id'),this.hls.trigger(s.a.AUDIO_TRACKS_UPDATED,n),this.selectInitialTrack()}}},u.onError=function(e,i){t.prototype.onError.call(this,e,i),!i.fatal&&i.context&&i.context.type===w.a.AUDIO_TRACK&&i.context.id===this.trackId&&i.context.groupId===this.groupId&&this.retryLoadingOrFail(i)},u.setAudioTrack=function(t){var e=this.tracksInGroup;if(t<0||t>=e.length)this.warn("Invalid id passed to audio-track controller");else{this.clearTimer();var i=e[this.trackId];this.log("Now switching to audio-track index "+t);var r=e[t],n=r.id,a=r.groupId,o=void 0===a?"":a,l=r.name,u=r.type,h=r.url;if(this.trackId=t,this.trackName=l,this.selectDefaultTrack=!1,this.hls.trigger(s.a.AUDIO_TRACK_SWITCHING,{id:n,groupId:o,name:l,type:u,url:h}),!r.details||r.details.live){var d=this.switchParams(r.url,null==i?void 0:i.details);this.loadPlaylist(d)}}},u.selectInitialTrack=function(){this.tracksInGroup;var t=this.trackName,e=this.findTrackId(t)||this.findTrackId();-1!==e?this.setAudioTrack(e):(this.warn("No track found for running audio group-ID: "+this.groupId),this.hls.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))},u.findTrackId=function(t){for(var e=this.tracksInGroup,i=0;i<e.length;i++){var r=e[i];if((!this.selectDefaultTrack||r.default)&&(!t||t===r.name))return r.id}return-1},u.loadPlaylist=function(t){var e=this.tracksInGroup[this.trackId];if(this.shouldLoadTrack(e)){var i=e.id,r=e.groupId,n=e.url;if(t)try{n=t.addDirectives(n)}catch(t){this.warn("Could not construct new URL with HLS Delivery Directives: "+t)}this.log("loading audio-track playlist for id: "+i),this.clearTimer(),this.hls.trigger(s.a.AUDIO_TRACK_LOADING,{url:n,id:i,groupId:r,deliveryDirectives:t||null})}},n=r,(a=[{key:"audioTracks",get:function(){return this.tracksInGroup}},{key:"audioTrack",get:function(){return this.trackId},set:function(t){this.selectDefaultTrack=!1,this.setAudioTrack(t)}}])&&be(n.prototype,a),l&&be(n,l),Object.defineProperty(n,"prototype",{writable:!1}),r}(at);function Le(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function Ae(t,e){return(Ae=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}var De=function(t){var e,i;function r(e,i){var r;return(r=t.call(this,e,i,"[subtitle-stream-controller]")||this).levels=[],r.currentTrackId=-1,r.tracksBuffered=[],r.mainDetails=null,r._registerListeners(),r}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,Ae(e,i);var n,a,o,l=r.prototype;return l.onHandlerDestroying=function(){this._unregisterListeners(),this.mainDetails=null},l._registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.on(s.a.ERROR,this.onError,this),t.on(s.a.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.on(s.a.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),t.on(s.a.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.on(s.a.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),t.on(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this)},l._unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.LEVEL_LOADED,this.onLevelLoaded,this),t.off(s.a.ERROR,this.onError,this),t.off(s.a.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.off(s.a.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),t.off(s.a.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.off(s.a.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),t.off(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this)},l.startLoad=function(){this.stopLoad(),this.state=Ht,this.setInterval(500),this.tick()},l.onManifestLoading=function(){this.mainDetails=null,this.fragmentTracker.removeAllFragments()},l.onLevelLoaded=function(t,e){this.mainDetails=e.details},l.onSubtitleFragProcessed=function(t,e){var i=e.frag,r=e.success;if(this.fragPrevious=i,this.state=Ht,r){var n=this.tracksBuffered[this.currentTrackId];if(n){for(var a,s=i.start,o=0;o<n.length;o++)if(s>=n[o].start&&s<=n[o].end){a=n[o];break}var l=i.start+i.duration;a?a.end=l:(a={start:s,end:l},n.push(a)),this.fragmentTracker.fragBuffered(i)}}},l.onBufferFlushing=function(t,e){var i=e.startOffset,r=e.endOffset;if(0===i&&r!==Number.POSITIVE_INFINITY){var n=this.currentTrackId,a=this.levels;if(!a.length||!a[n]||!a[n].details)return;var s=r-a[n].details.targetduration;if(s<=0)return;e.endOffsetSubtitles=Math.max(0,s),this.tracksBuffered.forEach((function(t){for(var e=0;e<t.length;)if(t[e].end<=s)t.shift();else{if(!(t[e].start<s))break;t[e].start=s,e++}})),this.fragmentTracker.removeFragmentsInRange(i,s,w.b.SUBTITLE)}},l.onError=function(t,e){var i,r=e.frag;r&&r.type===w.b.SUBTITLE&&(null!==(i=this.fragCurrent)&&void 0!==i&&i.loader&&this.fragCurrent.loader.abort(),this.state=Ht)},l.onSubtitleTracksUpdated=function(t,e){var i=this,r=e.subtitleTracks;this.tracksBuffered=[],this.levels=r.map((function(t){return new Q(t)})),this.fragmentTracker.removeAllFragments(),this.fragPrevious=null,this.levels.forEach((function(t){i.tracksBuffered[t.id]=[]})),this.mediaBuffer=null},l.onSubtitleTrackSwitch=function(t,e){if(this.currentTrackId=e.id,this.levels.length&&-1!==this.currentTrackId){var i=this.levels[this.currentTrackId];null!=i&&i.details?this.mediaBuffer=this.mediaBufferTimeRanges:this.mediaBuffer=null,i&&this.setInterval(500)}else this.clearInterval()},l.onSubtitleTrackLoaded=function(t,e){var i,r=e.details,n=e.id,a=this.currentTrackId,s=this.levels;if(s.length){var o=s[a];if(!(n>=s.length||n!==a)&&o){if(this.mediaBuffer=this.mediaBufferTimeRanges,r.live||null!==(i=o.details)&&void 0!==i&&i.live){var l=this.mainDetails;if(r.deltaUpdateFailed||!l)return;var u=l.fragments[0];if(o.details)0===this.alignPlaylists(r,o.details)&&u&&nt(r,u.start);else r.hasProgramDateTime&&l.hasProgramDateTime?Lt(r,l):u&&nt(r,u.start)}if(o.details=r,this.levelLastLoaded=n,this.tick(),r.live&&!this.fragCurrent&&this.media&&this.state===Ht)Dt(null,r.fragments,this.media.currentTime,0)||(this.warn("Subtitle playlist not aligned with playback"),o.details=void 0)}}},l._handleFragmentLoadComplete=function(t){var e=t.frag,i=t.payload,r=e.decryptdata,n=this.hls;if(!this.fragContextChanged(e)&&i&&i.byteLength>0&&r&&r.key&&r.iv&&"AES-128"===r.method){var a=performance.now();this.decrypter.webCryptoDecrypt(new Uint8Array(i),r.key.buffer,r.iv.buffer).then((function(t){var i=performance.now();n.trigger(s.a.FRAG_DECRYPTED,{frag:e,payload:t,stats:{tstart:a,tdecrypt:i}})}))}},l.doTick=function(){if(this.media){if(this.state===Ht){var t=this.currentTrackId,e=this.levels;if(!e.length||!e[t]||!e[t].details)return;var i=e[t].details,r=i.targetduration,n=this.config,a=this.media,s=mt.bufferedInfo(this.tracksBuffered[this.currentTrackId]||[],a.currentTime-r,n.maxBufferHole),o=s.end;if(s.len>this.getMaxBufferLength()+r)return;var l,u=i.fragments,h=u.length,d=i.edge,c=this.fragPrevious;if(o<d){var f=n.maxFragLookUpTolerance;!(l=Dt(c,u,Math.max(u[0].start,o),f))&&c&&c.start<u[0].start&&(l=u[0])}else l=u[h-1];if(!(l=this.mapToInitFragWhenRequired(l)))return;if(this.fragmentTracker.getState(l)!==ut.NOT_LOADED)return;l.encrypted?this.loadKey(l,i):this.loadFragment(l,i,o)}}else this.state=Ht},l.loadFragment=function(e,i,r){this.fragCurrent=e,"initSegment"===e.sn?this._loadInitSegment(e):t.prototype.loadFragment.call(this,e,i,r)},n=r,(a=[{key:"mediaBufferTimeRanges",get:function(){return new Re(this.tracksBuffered[this.currentTrackId]||[])}}])&&Le(n.prototype,a),o&&Le(n,o),Object.defineProperty(n,"prototype",{writable:!1}),r}(te),Re=function(t){this.buffered=void 0;var e=function(e,i,r){if((i>>>=0)>r-1)throw new DOMException("Failed to execute '"+e+"' on 'TimeRanges': The index provided ("+i+") is greater than the maximum bound ("+r+")");return t[i][e]};this.buffered={get length(){return t.length},end:function(i){return e("end",i,t.length)},start:function(i){return e("start",i,t.length)}}};function ke(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function _e(t,e){return(_e=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}function Ie(t){for(var e=[],i=0;i<t.length;i++){var r=t[i];"subtitles"===r.kind&&r.label&&e.push(t[i])}return e}var Oe,Ce=function(t){var e,i;function r(e){var i;return(i=t.call(this,e,"[subtitle-track-controller]")||this).media=null,i.tracks=[],i.groupId=null,i.tracksInGroup=[],i.trackId=-1,i.selectDefaultTrack=!0,i.queuedDefaultTrack=-1,i.trackChangeListener=function(){return i.onTextTracksChanged()},i.asyncPollTrackChange=function(){return i.pollTrackChange(0)},i.useTextTrackPolling=!1,i.subtitlePollingInterval=-1,i._subtitleDisplay=!0,i.registerListeners(),i}i=t,(e=r).prototype=Object.create(i.prototype),e.prototype.constructor=e,_e(e,i);var n,a,o,l=r.prototype;return l.destroy=function(){this.unregisterListeners(),this.tracks.length=0,this.tracksInGroup.length=0,this.trackChangeListener=this.asyncPollTrackChange=null,t.prototype.destroy.call(this)},l.registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.on(s.a.LEVEL_SWITCHING,this.onLevelSwitching,this),t.on(s.a.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.on(s.a.ERROR,this.onError,this)},l.unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(s.a.LEVEL_LOADING,this.onLevelLoading,this),t.off(s.a.LEVEL_SWITCHING,this.onLevelSwitching,this),t.off(s.a.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.off(s.a.ERROR,this.onError,this)},l.onMediaAttached=function(t,e){this.media=e.media,this.media&&(this.queuedDefaultTrack>-1&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=-1),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.pollTrackChange(500):this.media.textTracks.addEventListener("change",this.asyncPollTrackChange))},l.pollTrackChange=function(t){self.clearInterval(this.subtitlePollingInterval),this.subtitlePollingInterval=self.setInterval(this.trackChangeListener,t)},l.onMediaDetaching=function(){this.media&&(self.clearInterval(this.subtitlePollingInterval),this.useTextTrackPolling||this.media.textTracks.removeEventListener("change",this.asyncPollTrackChange),this.trackId>-1&&(this.queuedDefaultTrack=this.trackId),Ie(this.media.textTracks).forEach((function(t){U(t)})),this.subtitleTrack=-1,this.media=null)},l.onManifestLoading=function(){this.tracks=[],this.groupId=null,this.tracksInGroup=[],this.trackId=-1,this.selectDefaultTrack=!0},l.onManifestParsed=function(t,e){this.tracks=e.subtitleTracks},l.onSubtitleTrackLoaded=function(t,e){var i=e.id,r=e.details,n=this.trackId,a=this.tracksInGroup[n];if(a){var s=a.details;a.details=e.details,this.log("subtitle track "+i+" loaded ["+r.startSN+"-"+r.endSN+"]"),i===this.trackId&&(this.retryCount=0,this.playlistLoaded(i,e,s))}else this.warn("Invalid subtitle track id "+i)},l.onLevelLoading=function(t,e){this.switchLevel(e.level)},l.onLevelSwitching=function(t,e){this.switchLevel(e.level)},l.switchLevel=function(t){var e=this.hls.levels[t];if(null!=e&&e.textGroupIds){var i=e.textGroupIds[e.urlId];if(this.groupId!==i){var r=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0,n=this.tracks.filter((function(t){return!i||t.groupId===i}));this.tracksInGroup=n;var a=this.findTrackId(null==r?void 0:r.name)||this.findTrackId();this.groupId=i;var o={subtitleTracks:n};this.log("Updating subtitle tracks, "+n.length+' track(s) found in "'+i+'" group-id'),this.hls.trigger(s.a.SUBTITLE_TRACKS_UPDATED,o),-1!==a&&this.setSubtitleTrack(a,r)}}},l.findTrackId=function(t){for(var e=this.tracksInGroup,i=0;i<e.length;i++){var r=e[i];if((!this.selectDefaultTrack||r.default)&&(!t||t===r.name))return r.id}return-1},l.onError=function(e,i){t.prototype.onError.call(this,e,i),!i.fatal&&i.context&&i.context.type===w.a.SUBTITLE_TRACK&&i.context.id===this.trackId&&i.context.groupId===this.groupId&&this.retryLoadingOrFail(i)},l.loadPlaylist=function(t){var e=this.tracksInGroup[this.trackId];if(this.shouldLoadTrack(e)){var i=e.id,r=e.groupId,n=e.url;if(t)try{n=t.addDirectives(n)}catch(t){this.warn("Could not construct new URL with HLS Delivery Directives: "+t)}this.log("Loading subtitle playlist for id "+i),this.hls.trigger(s.a.SUBTITLE_TRACK_LOADING,{url:n,id:i,groupId:r,deliveryDirectives:t||null})}},l.toggleTrackModes=function(t){var e=this,i=this.media,r=this.trackId;if(i){var n=Ie(i.textTracks),a=n.filter((function(t){return t.groupId===e.groupId}));if(-1===t)[].slice.call(n).forEach((function(t){t.mode="disabled"}));else{var s=a[r];s&&(s.mode="disabled")}var o=a[t];o&&(o.mode=this.subtitleDisplay?"showing":"hidden")}},l.setSubtitleTrack=function(t,e){var i,r=this.tracksInGroup;if(this.media){if(this.trackId!==t&&this.toggleTrackModes(t),!(this.trackId===t&&(-1===t||null!==(i=r[t])&&void 0!==i&&i.details)||t<-1||t>=r.length)){this.clearTimer();var n=r[t];if(this.log("Switching to subtitle track "+t),this.trackId=t,n){var a=n.id,o=n.groupId,l=void 0===o?"":o,u=n.name,h=n.type,d=n.url;this.hls.trigger(s.a.SUBTITLE_TRACK_SWITCH,{id:a,groupId:l,name:u,type:h,url:d});var c=this.switchParams(n.url,null==e?void 0:e.details);this.loadPlaylist(c)}else this.hls.trigger(s.a.SUBTITLE_TRACK_SWITCH,{id:t})}}else this.queuedDefaultTrack=t},l.onTextTracksChanged=function(){if(this.useTextTrackPolling||self.clearInterval(this.subtitlePollingInterval),this.media&&this.hls.config.renderTextTracksNatively){for(var t=-1,e=Ie(this.media.textTracks),i=0;i<e.length;i++)if("hidden"===e[i].mode)t=i;else if("showing"===e[i].mode){t=i;break}this.subtitleTrack!==t&&(this.subtitleTrack=t)}},n=r,(a=[{key:"subtitleDisplay",get:function(){return this._subtitleDisplay},set:function(t){this._subtitleDisplay=t,this.trackId>-1&&this.toggleTrackModes(this.trackId)}},{key:"subtitleTracks",get:function(){return this.tracksInGroup}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(t){this.selectDefaultTrack=!1;var e=this.tracksInGroup?this.tracksInGroup[this.trackId]:void 0;this.setSubtitleTrack(t,e)}}])&&ke(n.prototype,a),o&&ke(n,o),Object.defineProperty(n,"prototype",{writable:!1}),r}(at),we=function(){function t(t){this.buffers=void 0,this.queues={video:[],audio:[],audiovideo:[]},this.buffers=t}var e=t.prototype;return e.append=function(t,e){var i=this.queues[e];i.push(t),1===i.length&&this.buffers[e]&&this.executeNext(e)},e.insertAbort=function(t,e){this.queues[e].unshift(t),this.executeNext(e)},e.appendBlocker=function(t){var e,i=new Promise((function(t){e=t})),r={execute:e,onStart:function(){},onComplete:function(){},onError:function(){}};return this.append(r,t),i},e.executeNext=function(t){var e=this.buffers,i=this.queues,r=e[t],n=i[t];if(n.length){var a=n[0];try{a.execute()}catch(e){l.b.warn("[buffer-operation-queue]: Unhandled exception executing the current operation"),a.onError(e),r&&r.updating||(n.shift(),this.executeNext(t))}}},e.shiftAndExecuteNext=function(t){this.queues[t].shift(),this.executeNext(t)},e.current=function(t){return this.queues[t][0]},t}(),xe=ee(),Pe=/([ha]vc.)(?:\.[^.,]+)+/,Fe=function(){function t(t){var e=this;this.details=null,this._objectUrl=null,this.operationQueue=void 0,this.listeners=void 0,this.hls=void 0,this.bufferCodecEventsExpected=0,this._bufferCodecEventsTotal=0,this.media=null,this.mediaSource=null,this.appendError=0,this.tracks={},this.pendingTracks={},this.sourceBuffer=void 0,this._onMediaSourceOpen=function(){var t=e.hls,i=e.media,r=e.mediaSource;l.b.log("[buffer-controller]: Media source opened"),i&&(e.updateMediaElementDuration(),t.trigger(s.a.MEDIA_ATTACHED,{media:i})),r&&r.removeEventListener("sourceopen",e._onMediaSourceOpen),e.checkPendingTracks()},this._onMediaSourceClose=function(){l.b.log("[buffer-controller]: Media source closed")},this._onMediaSourceEnded=function(){l.b.log("[buffer-controller]: Media source ended")},this.hls=t,this._initSourceBuffer(),this.registerListeners()}var e=t.prototype;return e.hasSourceTypes=function(){return this.getSourceBufferTypes().length>0||Object.keys(this.pendingTracks).length>0},e.destroy=function(){this.unregisterListeners(),this.details=null},e.registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(s.a.BUFFER_RESET,this.onBufferReset,this),t.on(s.a.BUFFER_APPENDING,this.onBufferAppending,this),t.on(s.a.BUFFER_CODECS,this.onBufferCodecs,this),t.on(s.a.BUFFER_EOS,this.onBufferEos,this),t.on(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(s.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.on(s.a.FRAG_PARSED,this.onFragParsed,this),t.on(s.a.FRAG_CHANGED,this.onFragChanged,this)},e.unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(s.a.BUFFER_RESET,this.onBufferReset,this),t.off(s.a.BUFFER_APPENDING,this.onBufferAppending,this),t.off(s.a.BUFFER_CODECS,this.onBufferCodecs,this),t.off(s.a.BUFFER_EOS,this.onBufferEos,this),t.off(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(s.a.LEVEL_UPDATED,this.onLevelUpdated,this),t.off(s.a.FRAG_PARSED,this.onFragParsed,this),t.off(s.a.FRAG_CHANGED,this.onFragChanged,this)},e._initSourceBuffer=function(){this.sourceBuffer={},this.operationQueue=new we(this.sourceBuffer),this.listeners={audio:[],video:[],audiovideo:[]}},e.onManifestParsed=function(t,e){var i=2;(e.audio&&!e.video||!e.altAudio)&&(i=1),this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=i,this.details=null,l.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},e.onMediaAttaching=function(t,e){var i=this.media=e.media;if(i&&xe){var r=this.mediaSource=new xe;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),i.src=self.URL.createObjectURL(r),this._objectUrl=i.src}},e.onMediaDetaching=function(){var t=this.media,e=this.mediaSource,i=this._objectUrl;if(e){if(l.b.log("[buffer-controller]: media source detaching"),"open"===e.readyState)try{e.endOfStream()}catch(t){l.b.warn("[buffer-controller]: onMediaDetaching: "+t.message+" while calling endOfStream")}this.onBufferReset(),e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),t&&(i&&self.URL.revokeObjectURL(i),t.src===i?(t.removeAttribute("src"),t.load()):l.b.warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={}}this.hls.trigger(s.a.MEDIA_DETACHED,void 0)},e.onBufferReset=function(){var t=this;this.getSourceBufferTypes().forEach((function(e){var i=t.sourceBuffer[e];try{i&&(t.removeBufferListeners(e),t.mediaSource&&t.mediaSource.removeSourceBuffer(i),t.sourceBuffer[e]=void 0)}catch(t){l.b.warn("[buffer-controller]: Failed to reset the "+e+" buffer",t)}})),this._initSourceBuffer()},e.onBufferCodecs=function(t,e){var i=this,r=this.getSourceBufferTypes().length;Object.keys(e).forEach((function(t){if(r){var n=i.tracks[t];if(n&&"function"==typeof n.buffer.changeType){var a=e[t],s=a.id,o=a.codec,u=a.levelCodec,h=a.container,d=a.metadata,c=(n.levelCodec||n.codec).replace(Pe,"$1"),f=(u||o).replace(Pe,"$1");if(c!==f){var g=h+";codecs="+(u||o);i.appendChangeType(t,g),l.b.log("[buffer-controller]: switching codec "+c+" to "+f),i.tracks[t]={buffer:n.buffer,codec:o,container:h,levelCodec:u,metadata:d,id:s}}}}else i.pendingTracks[t]=e[t]})),r||(this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},e.appendChangeType=function(t,e){var i=this,r=this.operationQueue,n={execute:function(){var n=i.sourceBuffer[t];n&&(l.b.log("[buffer-controller]: changing "+t+" sourceBuffer type to "+e),n.changeType(e)),r.shiftAndExecuteNext(t)},onStart:function(){},onComplete:function(){},onError:function(e){l.b.warn("[buffer-controller]: Failed to change "+t+" SourceBuffer type",e)}};r.append(n,t)},e.onBufferAppending=function(t,e){var i=this,r=this.hls,n=this.operationQueue,a=this.tracks,u=e.data,h=e.type,d=e.frag,c=e.part,f=e.chunkMeta,g=f.buffering[h],v=self.performance.now();g.start=v;var p=d.stats.buffering,m=c?c.stats.buffering:null;0===p.start&&(p.start=v),m&&0===m.start&&(m.start=v);var y=a.audio,T="audio"===h&&1===f.id&&"audio/mpeg"===(null==y?void 0:y.container),b={execute:function(){if(g.executeStart=self.performance.now(),T){var t=i.sourceBuffer[h];if(t){var e=d.start-t.timestampOffset;Math.abs(e)>=.1&&(l.b.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to "+d.start+" (delta: "+e+") sn: "+d.sn+")"),t.timestampOffset=d.start)}}i.appendExecutor(u,h)},onStart:function(){},onComplete:function(){var t=self.performance.now();g.executeEnd=g.end=t,0===p.first&&(p.first=t),m&&0===m.first&&(m.first=t);var e=i.sourceBuffer,r={};for(var n in e)r[n]=mt.getBuffered(e[n]);i.appendError=0,i.hls.trigger(s.a.BUFFER_APPENDED,{type:h,frag:d,part:c,chunkMeta:f,parent:d.type,timeRanges:r})},onError:function(t){l.b.error("[buffer-controller]: Error encountered while trying to append to the "+h+" SourceBuffer",t);var e={type:o.b.MEDIA_ERROR,parent:d.type,details:o.a.BUFFER_APPEND_ERROR,err:t,fatal:!1};t.code===DOMException.QUOTA_EXCEEDED_ERR?e.details=o.a.BUFFER_FULL_ERROR:(i.appendError++,e.details=o.a.BUFFER_APPEND_ERROR,i.appendError>r.config.appendErrorMaxRetry&&(l.b.error("[buffer-controller]: Failed "+r.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),e.fatal=!0,r.stopLoad())),r.trigger(s.a.ERROR,e)}};n.append(b,h)},e.onBufferFlushing=function(t,e){var i=this,r=this.operationQueue,n=function(t){return{execute:i.removeExecutor.bind(i,t,e.startOffset,e.endOffset),onStart:function(){},onComplete:function(){i.hls.trigger(s.a.BUFFER_FLUSHED,{type:t})},onError:function(e){l.b.warn("[buffer-controller]: Failed to remove from "+t+" SourceBuffer",e)}}};e.type?r.append(n(e.type),e.type):this.getSourceBufferTypes().forEach((function(t){r.append(n(t),t)}))},e.onFragParsed=function(t,e){var i=this,r=e.frag,n=e.part,a=[],o=n?n.elementaryStreams:r.elementaryStreams;o[p.a.AUDIOVIDEO]?a.push("audiovideo"):(o[p.a.AUDIO]&&a.push("audio"),o[p.a.VIDEO]&&a.push("video"));0===a.length&&l.b.warn("Fragments must have at least one ElementaryStreamType set. type: "+r.type+" level: "+r.level+" sn: "+r.sn),this.blockBuffers((function(){var t=self.performance.now();r.stats.buffering.end=t,n&&(n.stats.buffering.end=t);var e=n?n.stats:r.stats;i.hls.trigger(s.a.FRAG_BUFFERED,{frag:r,part:n,stats:e,id:r.type})}),a)},e.onFragChanged=function(t,e){this.flushBackBuffer()},e.onBufferEos=function(t,e){var i=this;this.getSourceBufferTypes().reduce((function(t,r){var n=i.sourceBuffer[r];return e.type&&e.type!==r||n&&!n.ended&&(n.ended=!0,l.b.log("[buffer-controller]: "+r+" sourceBuffer now EOS")),t&&!(n&&!n.ended)}),!0)&&this.blockBuffers((function(){var t=i.mediaSource;t&&"open"===t.readyState&&t.endOfStream()}))},e.onLevelUpdated=function(t,e){var i=e.details;i.fragments.length&&(this.details=i,this.getSourceBufferTypes().length?this.blockBuffers(this.updateMediaElementDuration.bind(this)):this.updateMediaElementDuration())},e.flushBackBuffer=function(){var t=this.hls,e=this.details,i=this.media,r=this.sourceBuffer;if(i&&null!==e){var n=this.getSourceBufferTypes();if(n.length){var o=e.live&&null!==t.config.liveBackBufferLength?t.config.liveBackBufferLength:t.config.backBufferLength;if(Object(a.a)(o)&&!(o<0)){var l=i.currentTime,u=e.levelTargetDuration,h=Math.max(o,u),d=Math.floor(l/u)*u-h;n.forEach((function(i){var n=r[i];if(n){var a=mt.getBuffered(n);a.length>0&&d>a.start(0)&&(t.trigger(s.a.BACK_BUFFER_REACHED,{bufferEnd:d}),e.live&&t.trigger(s.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:d}),t.trigger(s.a.BUFFER_FLUSHING,{startOffset:0,endOffset:d,type:i}))}}))}}}},e.updateMediaElementDuration=function(){if(this.details&&this.media&&this.mediaSource&&"open"===this.mediaSource.readyState){var t=this.details,e=this.hls,i=this.media,r=this.mediaSource,n=t.fragments[0].start+t.totalduration,s=i.duration,o=Object(a.a)(r.duration)?r.duration:0;t.live&&e.config.liveDurationInfinity?(l.b.log("[buffer-controller]: Media Source duration is set to Infinity"),r.duration=1/0,this.updateSeekableRange(t)):(n>o&&n>s||!Object(a.a)(s))&&(l.b.log("[buffer-controller]: Updating Media Source duration to "+n.toFixed(3)),r.duration=n)}},e.updateSeekableRange=function(t){var e=this.mediaSource,i=t.fragments;if(i.length&&t.live&&null!=e&&e.setLiveSeekableRange){var r=Math.max(0,i[0].start),n=Math.max(r,r+t.totalduration);e.setLiveSeekableRange(r,n)}},e.checkPendingTracks=function(){var t=this.bufferCodecEventsExpected,e=this.operationQueue,i=this.pendingTracks,r=Object.keys(i).length;if(r&&!t||2===r){this.createSourceBuffers(i),this.pendingTracks={};var n=this.getSourceBufferTypes();if(0===n.length)return void this.hls.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,reason:"could not create source buffer for media codec(s)"});n.forEach((function(t){e.executeNext(t)}))}},e.createSourceBuffers=function(t){var e=this.sourceBuffer,i=this.mediaSource;if(!i)throw Error("createSourceBuffers called when mediaSource was null");var r=0;for(var n in t)if(!e[n]){var a=t[n];if(!a)throw Error("source buffer exists for track "+n+", however track does not");var u=a.levelCodec||a.codec,h=a.container+";codecs="+u;l.b.log("[buffer-controller]: creating sourceBuffer("+h+")");try{var d=e[n]=i.addSourceBuffer(h),c=n;this.addBufferListener(c,"updatestart",this._onSBUpdateStart),this.addBufferListener(c,"updateend",this._onSBUpdateEnd),this.addBufferListener(c,"error",this._onSBUpdateError),this.tracks[n]={buffer:d,codec:u,container:a.container,levelCodec:a.levelCodec,metadata:a.metadata,id:a.id},r++}catch(t){l.b.error("[buffer-controller]: error while trying to add sourceBuffer: "+t.message),this.hls.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:t,mimeType:h})}}r&&this.hls.trigger(s.a.BUFFER_CREATED,{tracks:this.tracks})},e._onSBUpdateStart=function(t){this.operationQueue.current(t).onStart()},e._onSBUpdateEnd=function(t){var e=this.operationQueue;e.current(t).onComplete(),e.shiftAndExecuteNext(t)},e._onSBUpdateError=function(t,e){l.b.error("[buffer-controller]: "+t+" SourceBuffer error",e),this.hls.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_APPENDING_ERROR,fatal:!1});var i=this.operationQueue.current(t);i&&i.onError(e)},e.removeExecutor=function(t,e,i){var r=this.media,n=this.mediaSource,s=this.operationQueue,o=this.sourceBuffer[t];if(!r||!n||!o)return l.b.warn("[buffer-controller]: Attempting to remove from the "+t+" SourceBuffer, but it does not exist"),void s.shiftAndExecuteNext(t);var u=Object(a.a)(r.duration)?r.duration:1/0,h=Object(a.a)(n.duration)?n.duration:1/0,d=Math.max(0,e),c=Math.min(i,u,h);c>d?(l.b.log("[buffer-controller]: Removing ["+d+","+c+"] from the "+t+" SourceBuffer"),o.remove(d,c)):s.shiftAndExecuteNext(t)},e.appendExecutor=function(t,e){var i=this.operationQueue,r=this.sourceBuffer[e];if(!r)return l.b.warn("[buffer-controller]: Attempting to append to the "+e+" SourceBuffer, but it does not exist"),void i.shiftAndExecuteNext(e);r.ended=!1,r.appendBuffer(t)},e.blockBuffers=function(t,e){var i=this;if(void 0===e&&(e=this.getSourceBufferTypes()),!e.length)return l.b.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),void Promise.resolve().then(t);var r=this.operationQueue,n=e.map((function(t){return r.appendBlocker(t)}));Promise.all(n).then((function(){t(),e.forEach((function(t){var e=i.sourceBuffer[t];e&&e.updating||r.shiftAndExecuteNext(t)}))}))},e.getSourceBufferTypes=function(){return 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e=t.prototype;return e.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},e.setStyles=function(t){for(var e=["foreground","underline","italics","background","flash"],i=0;i<e.length;i++){var r=e[i];t.hasOwnProperty(r)&&(this[r]=t[r])}},e.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},e.equals=function(t){return this.foreground===t.foreground&&this.underline===t.underline&&this.italics===t.italics&&this.background===t.background&&this.flash===t.flash},e.copy=function(t){this.foreground=t.foreground,this.underline=t.underline,this.italics=t.italics,this.background=t.background,this.flash=t.flash},e.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},t}(),Ye=function(){function t(t,e,i,r,n,a){this.uchar=void 0,this.penState=void 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t=!0,e=0;e<100;e++)if(!this.chars[e].isEmpty()){t=!1;break}return t},e.setCursor=function(t){this.pos!==t&&(this.pos=t),this.pos<0?(this.logger.log(Oe.DEBUG,"Negative cursor position "+this.pos),this.pos=0):this.pos>100&&(this.logger.log(Oe.DEBUG,"Too large cursor position "+this.pos),this.pos=100)},e.moveCursor=function(t){var e=this.pos+t;if(t>1)for(var i=this.pos+1;i<e+1;i++)this.chars[i].setPenState(this.currPenState);this.setCursor(e)},e.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},e.insertChar=function(t){t>=144&&this.backSpace();var e=Ne(t);this.pos>=100?this.logger.log(Oe.ERROR,"Cannot insert "+t.toString(16)+" ("+e+") at position "+this.pos+". 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e=!0,i=0;i<15;i++)if(!this.rows[i].equals(t.rows[i])){e=!1;break}return e},e.copy=function(t){for(var e=0;e<15;e++)this.rows[e].copy(t.rows[e])},e.isEmpty=function(){for(var t=!0,e=0;e<15;e++)if(!this.rows[e].isEmpty()){t=!1;break}return t},e.backSpace=function(){this.rows[this.currRow].backSpace()},e.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},e.insertChar=function(t){this.rows[this.currRow].insertChar(t)},e.setPen=function(t){this.rows[this.currRow].setPenStyles(t)},e.moveCursor=function(t){this.rows[this.currRow].moveCursor(t)},e.setCursor=function(t){this.logger.log(Oe.INFO,"setCursor: "+t),this.rows[this.currRow].setCursor(t)},e.setPAC=function(t){this.logger.log(Oe.INFO,"pacData = "+JSON.stringify(t));var e=t.row-1;if(this.nrRollUpRows&&e<this.nrRollUpRows-1&&(e=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==e){for(var i=0;i<15;i++)this.rows[i].clear();var r=this.currRow+1-this.nrRollUpRows,n=this.lastOutputScreen;if(n){var a=n.rows[r].cueStartTime,s=this.logger.time;if(a&&null!==s&&a<s)for(var o=0;o<this.nrRollUpRows;o++)this.rows[e-this.nrRollUpRows+o+1].copy(n.rows[r+o])}}this.currRow=e;var l=this.rows[this.currRow];if(null!==t.indent){var u=t.indent,h=Math.max(u-1,0);l.setCursor(t.indent),t.color=l.chars[h].penState.foreground}var d={foreground:t.color,underline:t.underline,italics:t.italics,background:"black",flash:!1};this.setPen(d)},e.setBkgData=function(t){this.logger.log(Oe.INFO,"bkgData = "+JSON.stringify(t)),this.backSpace(),this.setPen(t),this.insertChar(32)},e.setRollUpRows=function(t){this.nrRollUpRows=t},e.rollUp=function(){if(null!==this.nrRollUpRows){this.logger.log(Oe.TEXT,this.getDisplayText());var t=this.currRow+1-this.nrRollUpRows,e=this.rows.splice(t,1)[0];e.clear(),this.rows.splice(this.currRow,0,e),this.logger.log(Oe.INFO,"Rolling up")}else this.logger.log(Oe.DEBUG,"roll_up but nrRollUpRows not set yet")},e.getDisplayText=function(t){t=t||!1;for(var e=[],i="",r=-1,n=0;n<15;n++){var a=this.rows[n].getTextString();a&&(r=n+1,t?e.push("Row "+r+": '"+a+"'"):e.push(a.trim()))}return e.length>0&&(i=t?"["+e.join(" | ")+"]":e.join("\n")),i},e.getTextAndFormat=function(){return this.rows},t}(),Xe=function(){function t(t,e,i){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.logger=void 0,this.chNr=t,this.outputFilter=e,this.mode=null,this.verbose=0,this.displayedMemory=new ze(i),this.nonDisplayedMemory=new ze(i),this.lastOutputScreen=new ze(i),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.logger=i}var e=t.prototype;return e.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.outputFilter.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},e.getHandler=function(){return this.outputFilter},e.setHandler=function(t){this.outputFilter=t},e.setPAC=function(t){this.writeScreen.setPAC(t)},e.setBkgData=function(t){this.writeScreen.setBkgData(t)},e.setMode=function(t){t!==this.mode&&(this.mode=t,this.logger.log(Oe.INFO,"MODE="+t),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=t)},e.insertChars=function(t){for(var e=0;e<t.length;e++)this.writeScreen.insertChar(t[e]);var i=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";this.logger.log(Oe.INFO,i+": 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Captioning"),this.setMode("MODE_PAINT-ON")},e.ccTR=function(){this.logger.log(Oe.INFO,"TR"),this.setMode("MODE_TEXT")},e.ccRTD=function(){this.logger.log(Oe.INFO,"RTD"),this.setMode("MODE_TEXT")},e.ccEDM=function(){this.logger.log(Oe.INFO,"EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},e.ccCR=function(){this.logger.log(Oe.INFO,"CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},e.ccENM=function(){this.logger.log(Oe.INFO,"ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},e.ccEOC=function(){if(this.logger.log(Oe.INFO,"EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var t=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=t,this.writeScreen=this.nonDisplayedMemory,this.logger.log(Oe.TEXT,"DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},e.ccTO=function(t){this.logger.log(Oe.INFO,"TO("+t+") - Tab Offset"),this.writeScreen.moveCursor(t)},e.ccMIDROW=function(t){var e={flash:!1};if(e.underline=t%2==1,e.italics=t>=46,e.italics)e.foreground="white";else{var i=Math.floor(t/2)-16;e.foreground=["white","green","blue","cyan","red","yellow","magenta"][i]}this.logger.log(Oe.INFO,"MIDROW: "+JSON.stringify(e)),this.writeScreen.setPen(e)},e.outputDataUpdate=function(t){void 0===t&&(t=!1);var e=this.logger.time;null!==e&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,e,this.lastOutputScreen),t&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:e):this.cueStartTime=e,this.lastOutputScreen.copy(this.displayedMemory))},e.cueSplitAtTime=function(t){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,t,this.displayedMemory),this.cueStartTime=t))},t}();function Qe(t,e,i){i.a=t,i.b=e}function $e(t,e,i){return i.a===t&&i.b===e}var Je=function(){function t(t,e,i){this.channels=void 0,this.currentChannel=0,this.cmdHistory=void 0,this.logger=void 0;var r=new He;this.channels=[null,new Xe(t,e,r),new Xe(t+1,i,r)],this.cmdHistory={a:null,b:null},this.logger=r}var e=t.prototype;return e.getHandler=function(t){return this.channels[t].getHandler()},e.setHandler=function(t,e){this.channels[t].setHandler(e)},e.addData=function(t,e){var i,r,n,a=!1;this.logger.time=t;for(var s=0;s<e.length;s+=2)if(r=127&e[s],n=127&e[s+1],0!==r||0!==n){if(this.logger.log(Oe.DATA,"["+Ve([e[s],e[s+1]])+"] -> ("+Ve([r,n])+")"),(i=this.parseCmd(r,n))||(i=this.parseMidrow(r,n)),i||(i=this.parsePAC(r,n)),i||(i=this.parseBackgroundAttributes(r,n)),!i&&(a=this.parseChars(r,n))){var o=this.currentChannel;if(o&&o>0)this.channels[o].insertChars(a);else this.logger.log(Oe.WARNING,"No channel found yet. TEXT-MODE?")}i||a||this.logger.log(Oe.WARNING,"Couldn't parse cleaned data "+Ve([r,n])+" orig: "+Ve([e[s],e[s+1]]))}},e.parseCmd=function(t,e){var i=this.cmdHistory;if(!((20===t||28===t||21===t||29===t)&&e>=32&&e<=47)&&!((23===t||31===t)&&e>=33&&e<=35))return!1;if($e(t,e,i))return Qe(null,null,i),this.logger.log(Oe.DEBUG,"Repeated command ("+Ve([t,e])+") is dropped"),!0;var r=20===t||21===t||23===t?1:2,n=this.channels[r];return 20===t||21===t||28===t||29===t?32===e?n.ccRCL():33===e?n.ccBS():34===e?n.ccAOF():35===e?n.ccAON():36===e?n.ccDER():37===e?n.ccRU(2):38===e?n.ccRU(3):39===e?n.ccRU(4):40===e?n.ccFON():41===e?n.ccRDC():42===e?n.ccTR():43===e?n.ccRTD():44===e?n.ccEDM():45===e?n.ccCR():46===e?n.ccENM():47===e&&n.ccEOC():n.ccTO(e-32),Qe(t,e,i),this.currentChannel=r,!0},e.parseMidrow=function(t,e){var i=0;if((17===t||25===t)&&e>=32&&e<=47){if((i=17===t?1:2)!==this.currentChannel)return this.logger.log(Oe.ERROR,"Mismatch channel in midrow parsing"),!1;var r=this.channels[i];return!!r&&(r.ccMIDROW(e),this.logger.log(Oe.DEBUG,"MIDROW ("+Ve([t,e])+")"),!0)}return!1},e.parsePAC=function(t,e){var i,r=this.cmdHistory;if(!((t>=17&&t<=23||t>=25&&t<=31)&&e>=64&&e<=127)&&!((16===t||24===t)&&e>=64&&e<=95))return!1;if($e(t,e,r))return Qe(null,null,r),!0;var n=t<=23?1:2;i=e>=64&&e<=95?1===n?Ue[t]:Ge[t]:1===n?Be[t]:je[t];var a=this.channels[n];return!!a&&(a.setPAC(this.interpretPAC(i,e)),Qe(t,e,r),this.currentChannel=n,!0)},e.interpretPAC=function(t,e){var i,r={color:null,italics:!1,indent:null,underline:!1,row:t};return i=e>95?e-96:e-64,r.underline=1==(1&i),i<=13?r.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(i/2)]:i<=15?(r.italics=!0,r.color="white"):r.indent=4*Math.floor((i-16)/2),r},e.parseChars=function(t,e){var i,r,n=null,a=null;(t>=25?(i=2,a=t-8):(i=1,a=t),a>=17&&a<=19)?(r=17===a?e+80:18===a?e+112:e+144,this.logger.log(Oe.INFO,"Special char '"+Ne(r)+"' in channel "+i),n=[r]):t>=32&&t<=127&&(n=0===e?[t]:[t,e]);if(n){var s=Ve(n);this.logger.log(Oe.DEBUG,"Char codes =  "+s.join(",")),Qe(t,e,this.cmdHistory)}return n},e.parseBackgroundAttributes=function(t,e){var i;if(!((16===t||24===t)&&e>=32&&e<=47)&&!((23===t||31===t)&&e>=45&&e<=47))return!1;var r={};16===t||24===t?(i=Math.floor((e-32)/2),r.background=Ke[i],e%2==1&&(r.background=r.background+"_semi")):45===e?r.background="transparent":(r.foreground="black",47===e&&(r.underline=!0));var n=t<=23?1:2;return this.channels[n].setBkgData(r),Qe(t,e,this.cmdHistory),!0},e.reset=function(){for(var t=0;t<Object.keys(this.channels).length;t++){var e=this.channels[t];e&&e.reset()}this.cmdHistory={a:null,b:null}},e.cueSplitAtTime=function(t){for(var e=0;e<this.channels.length;e++){var i=this.channels[e];i&&i.cueSplitAtTime(t)}},t}(),Ze=function(){function t(t,e){this.timelineController=void 0,this.cueRanges=[],this.trackName=void 0,this.startTime=null,this.endTime=null,this.screen=null,this.timelineController=t,this.trackName=e}var e=t.prototype;return e.dispatchCue=function(){null!==this.startTime&&(this.timelineController.addCues(this.trackName,this.startTime,this.endTime,this.screen,this.cueRanges),this.startTime=null)},e.newCue=function(t,e,i){(null===this.startTime||this.startTime>t)&&(this.startTime=t),this.endTime=e,this.screen=i,this.timelineController.createCaptionsTrack(this.trackName)},e.reset=function(){this.cueRanges=[],this.startTime=null},t}(),ti=function(){if("undefined"!=typeof self&&self.VTTCue)return self.VTTCue;var t=["","lr","rl"],e=["start","middle","end","left","right"];function i(t,e){if("string"!=typeof e)return!1;if(!Array.isArray(t))return!1;var i=e.toLowerCase();return!!~t.indexOf(i)&&i}function r(t){return i(e,t)}function n(t){for(var e=arguments.length,i=new Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];for(var n=1;n<arguments.length;n++){var a=arguments[n];for(var s in a)t[s]=a[s]}return t}function a(e,a,s){var o=this,l={enumerable:!0};o.hasBeenReset=!1;var u="",h=!1,d=e,c=a,f=s,g=null,v="",p=!0,m="auto",y="start",T=50,b="middle",E=50,S="middle";Object.defineProperty(o,"id",n({},l,{get:function(){return u},set:function(t){u=""+t}})),Object.defineProperty(o,"pauseOnExit",n({},l,{get:function(){return h},set:function(t){h=!!t}})),Object.defineProperty(o,"startTime",n({},l,{get:function(){return d},set:function(t){if("number"!=typeof t)throw new TypeError("Start time must be set to a number.");d=t,this.hasBeenReset=!0}})),Object.defineProperty(o,"endTime",n({},l,{get:function(){return c},set:function(t){if("number"!=typeof t)throw new TypeError("End time must be set to a number.");c=t,this.hasBeenReset=!0}})),Object.defineProperty(o,"text",n({},l,{get:function(){return f},set:function(t){f=""+t,this.hasBeenReset=!0}})),Object.defineProperty(o,"region",n({},l,{get:function(){return g},set:function(t){g=t,this.hasBeenReset=!0}})),Object.defineProperty(o,"vertical",n({},l,{get:function(){return v},set:function(e){var r=function(e){return i(t,e)}(e);if(!1===r)throw new SyntaxError("An invalid or illegal string was specified.");v=r,this.hasBeenReset=!0}})),Object.defineProperty(o,"snapToLines",n({},l,{get:function(){return p},set:function(t){p=!!t,this.hasBeenReset=!0}})),Object.defineProperty(o,"line",n({},l,{get:function(){return m},set:function(t){if("number"!=typeof t&&"auto"!==t)throw new SyntaxError("An invalid number or illegal string was specified.");m=t,this.hasBeenReset=!0}})),Object.defineProperty(o,"lineAlign",n({},l,{get:function(){return y},set:function(t){var e=r(t);if(!e)throw new SyntaxError("An invalid or illegal string was specified.");y=e,this.hasBeenReset=!0}})),Object.defineProperty(o,"position",n({},l,{get:function(){return T},set:function(t){if(t<0||t>100)throw new Error("Position must be between 0 and 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3600*(0|t)+60*(0|e)+(0|i)+parseFloat(r||0)}var i=t.match(/^(?:(\d+):)?(\d{2}):(\d{2})(\.\d+)?/);return i?parseFloat(i[2])>59?e(i[2],i[3],0,i[4]):e(i[1],i[2],i[3],i[4]):null}var ri=function(){function t(){this.values=Object.create(null)}var e=t.prototype;return e.set=function(t,e){this.get(t)||""===e||(this.values[t]=e)},e.get=function(t,e,i){return i?this.has(t)?this.values[t]:e[i]:this.has(t)?this.values[t]:e},e.has=function(t){return t in this.values},e.alt=function(t,e,i){for(var r=0;r<i.length;++r)if(e===i[r]){this.set(t,e);break}},e.integer=function(t,e){/^-?\d+$/.test(e)&&this.set(t,parseInt(e,10))},e.percent=function(t,e){if(/^([\d]{1,3})(\.[\d]*)?%$/.test(e)){var i=parseFloat(e);if(i>=0&&i<=100)return this.set(t,i),!0}return!1},t}();function ni(t,e,i,r){var n=r?t.split(r):[t];for(var a in n)if("string"==typeof n[a]){var s=n[a].split(i);if(2===s.length)e(s[0],s[1])}}var ai=new ti(0,0,""),si="middle"===ai.align?"middle":"center";function oi(t,e,i){var r=t;function n(){var e=ii(t);if(null===e)throw new Error("Malformed timestamp: "+r);return t=t.replace(/^[^\sa-zA-Z-]+/,""),e}function a(){t=t.replace(/^\s+/,"")}if(a(),e.startTime=n(),a(),"--\x3e"!==t.slice(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+r);t=t.slice(3),a(),e.endTime=n(),a(),function(t,e){var r=new ri;ni(t,(function(t,e){var n;switch(t){case"region":for(var a=i.length-1;a>=0;a--)if(i[a].id===e){r.set(t,i[a].region);break}break;case"vertical":r.alt(t,e,["rl","lr"]);break;case"line":n=e.split(","),r.integer(t,n[0]),r.percent(t,n[0])&&r.set("snapToLines",!1),r.alt(t,n[0],["auto"]),2===n.length&&r.alt("lineAlign",n[1],["start",si,"end"]);break;case"position":n=e.split(","),r.percent(t,n[0]),2===n.length&&r.alt("positionAlign",n[1],["start",si,"end","line-left","line-right","auto"]);break;case"size":r.percent(t,e);break;case"align":r.alt(t,e,["start",si,"end","left","right"])}}),/:/,/\s/),e.region=r.get("region",null),e.vertical=r.get("vertical","");var n=r.get("line","auto");"auto"===n&&-1===ai.line&&(n=-1),e.line=n,e.lineAlign=r.get("lineAlign","start"),e.snapToLines=r.get("snapToLines",!0),e.size=r.get("size",100),e.align=r.get("align",si);var a=r.get("position","auto");"auto"===a&&50===ai.position&&(a="start"===e.align||"left"===e.align?0:"end"===e.align||"right"===e.align?100:50),e.position=a}(t,e)}function li(t){return t.replace(/<br(?: 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0===i&&(i=0),t.slice(i,i+e.length)===e},gi=function(t){for(var e=5381,i=t.length;i;)e=33*e^t.charCodeAt(--i);return(e>>>0).toString()};function vi(t,e,i){return gi(t.toString())+gi(e.toString())+gi(i)}function pi(t,e,i,r,n,s,o,l){var u,h=new ui,d=Object(G.f)(new Uint8Array(t)).trim().replace(ci,"\n").split("\n"),c=[],f=Object(hi.a)(e,i),g="00:00.000",v=0,p=0,m=!0;h.oncue=function(t){var e=r[n],i=r.ccOffset,a=(v-f)/9e4;null!=e&&e.new&&(void 0!==p?i=r.ccOffset=e.start:function(t,e,i){var r=t[e],n=t[r.prevCC];if(!n||!n.new&&r.new)return t.ccOffset=t.presentationOffset=r.start,void(r.new=!1);for(;null!==(a=n)&&void 0!==a&&a.new;){var a;t.ccOffset+=r.start-n.start,r.new=!1,n=t[(r=n).prevCC]}t.presentationOffset=i}(r,n,a)),a&&(i=a-r.presentationOffset);var o=t.endTime-t.startTime,l=Object(di.d)(9e4*(t.startTime+i-p),9e4*s)/9e4;t.startTime=Math.max(l,0),t.endTime=Math.max(l+o,0);var u=t.text.trim();t.text=decodeURIComponent(encodeURIComponent(u)),t.id||(t.id=vi(t.startTime,t.endTime,u)),t.endTime>0&&c.push(t)},h.onparsingerror=function(t){u=t},h.onflush=function(){u?l(u):o(c)},d.forEach((function(t){if(m){if(fi(t,"X-TIMESTAMP-MAP=")){m=!1,t.slice(16).split(",").forEach((function(t){fi(t,"LOCAL:")?g=t.slice(6):fi(t,"MPEGTS:")&&(v=parseInt(t.slice(7)))}));try{p=function(t){var e=parseInt(t.slice(-3)),i=parseInt(t.slice(-6,-4)),r=parseInt(t.slice(-9,-7)),n=t.length>9?parseInt(t.substring(0,t.indexOf(":"))):0;if(!(Object(a.a)(e)&&Object(a.a)(i)&&Object(a.a)(r)&&Object(a.a)(n)))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+t);return e+=1e3*i,e+=6e4*r,e+=36e5*n}(g)/1e3}catch(t){u=t}return}""===t&&(m=!1)}h.parse(t+"\n")})),h.flush()}function mi(){return(mi=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}var yi=/^(\d{2,}):(\d{2}):(\d{2}):(\d{2})\.?(\d+)?$/,Ti=/^(\d*(?:\.\d*)?)(h|m|s|ms|f|t)$/,bi={left:"start",center:"center",right:"end",start:"start",end:"end"};function Ei(t,e,i,r,n){var a=Object(u.c)(new Uint8Array(t),["mdat"]);if(0!==a.length){var s=a.map((function(t){return Object(G.f)(t)})),o=Object(hi.c)(e,1,i);try{s.forEach((function(t){return r(function(t,e){var i=(new DOMParser).parseFromString(t,"text/xml").getElementsByTagName("tt")[0];if(!i)throw new Error("Invalid ttml");var r={frameRate:30,subFrameRate:1,frameRateMultiplier:0,tickRate:0},n=Object.keys(r).reduce((function(t,e){return t[e]=i.getAttribute("ttp:"+e)||r[e],t}),{}),a="preserve"!==i.getAttribute("xml:space"),s=Li(Si(i,"styling","style")),o=Li(Si(i,"layout","region")),l=Si(i,"body","[begin]");return[].map.call(l,(function(t){var i=function t(e,i){return[].slice.call(e.childNodes).reduce((function(e,r,n){var a;return"br"===r.nodeName&&n?e+"\n":null!==(a=r.childNodes)&&void 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0,this.textTracks=[],this.tracks=[],this.initPTS=[],this.timescale=[],this.unparsedVttFrags=[],this.captionsTracks={},this.nonNativeCaptionsTracks={},this.cea608Parser1=void 0,this.cea608Parser2=void 0,this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!0}},this.captionsProperties=void 0,this.hls=t,this.config=t.config,this.Cues=t.config.cueHandler,this.captionsProperties={textTrack1:{label:this.config.captionsTextTrack1Label,languageCode:this.config.captionsTextTrack1LanguageCode},textTrack2:{label:this.config.captionsTextTrack2Label,languageCode:this.config.captionsTextTrack2LanguageCode},textTrack3:{label:this.config.captionsTextTrack3Label,languageCode:this.config.captionsTextTrack3LanguageCode},textTrack4:{label:this.config.captionsTextTrack4Label,languageCode:this.config.captionsTextTrack4LanguageCode}},this.config.enableCEA708Captions){var e=new Ze(this,"textTrack1"),i=new Ze(this,"textTrack2"),r=new Ze(this,"textTrack3"),n=new Ze(this,"textTrack4");this.cea608Parser1=new Je(1,e,i),this.cea608Parser2=new Je(3,r,n)}t.on(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.on(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.on(s.a.MANIFEST_LOADED,this.onManifestLoaded,this),t.on(s.a.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.on(s.a.FRAG_LOADING,this.onFragLoading,this),t.on(s.a.FRAG_LOADED,this.onFragLoaded,this),t.on(s.a.FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),t.on(s.a.FRAG_DECRYPTED,this.onFragDecrypted,this),t.on(s.a.INIT_PTS_FOUND,this.onInitPtsFound,this),t.on(s.a.SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),t.on(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this)}var e=t.prototype;return e.destroy=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this),t.off(s.a.MANIFEST_LOADING,this.onManifestLoading,this),t.off(s.a.MANIFEST_LOADED,this.onManifestLoaded,this),t.off(s.a.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.off(s.a.FRAG_LOADING,this.onFragLoading,this),t.off(s.a.FRAG_LOADED,this.onFragLoaded,this),t.off(s.a.FRAG_PARSING_USERDATA,this.onFragParsingUserdata,this),t.off(s.a.FRAG_DECRYPTED,this.onFragDecrypted,this),t.off(s.a.INIT_PTS_FOUND,this.onInitPtsFound,this),t.off(s.a.SUBTITLE_TRACKS_CLEARED,this.onSubtitleTracksCleared,this),t.off(s.a.BUFFER_FLUSHING,this.onBufferFlushing,this),this.hls=this.config=this.cea608Parser1=this.cea608Parser2=null},e.addCues=function(t,e,i,r,n){for(var a,o,l,u,h=!1,d=n.length;d--;){var c=n[d],f=(a=c[0],o=c[1],l=e,u=i,Math.min(o,u)-Math.max(a,l));if(f>=0&&(c[0]=Math.min(c[0],e),c[1]=Math.max(c[1],i),h=!0,f/(i-e)>.5))return}if(h||n.push([e,i]),this.config.renderTextTracksNatively){var g=this.captionsTracks[t];this.Cues.newCue(g,e,i,r)}else{var v=this.Cues.newCue(null,e,i,r);this.hls.trigger(s.a.CUES_PARSED,{type:"captions",cues:v,track:t})}},e.onInitPtsFound=function(t,e){var i=this,r=e.frag,n=e.id,a=e.initPTS,o=e.timescale,l=this.unparsedVttFrags;"main"===n&&(this.initPTS[r.cc]=a,this.timescale[r.cc]=o),l.length&&(this.unparsedVttFrags=[],l.forEach((function(t){i.onFragLoaded(s.a.FRAG_LOADED,t)})))},e.getExistingTrack=function(t){var e=this.media;if(e)for(var i=0;i<e.textTracks.length;i++){var r=e.textTracks[i];if(r[t])return r}return null},e.createCaptionsTrack=function(t){this.config.renderTextTracksNatively?this.createNativeTrack(t):this.createNonNativeTrack(t)},e.createNativeTrack=function(t){if(!this.captionsTracks[t]){var e=this.captionsProperties,i=this.captionsTracks,r=this.media,n=e[t],a=n.label,s=n.languageCode,o=this.getExistingTrack(t);if(o)i[t]=o,U(i[t]),M(i[t],r);else{var l=this.createTextTrack("captions",a,s);l&&(l[t]=!0,i[t]=l)}}},e.createNonNativeTrack=function(t){if(!this.nonNativeCaptionsTracks[t]){var e=this.captionsProperties[t];if(e){var i={_id:t,label:e.label,kind:"captions",default:!!e.media&&!!e.media.default,closedCaptions:e.media};this.nonNativeCaptionsTracks[t]=i,this.hls.trigger(s.a.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:[i]})}}},e.createTextTrack=function(t,e,i){var r=this.media;if(r)return r.addTextTrack(t,e,i)},e.onMediaAttaching=function(t,e){this.media=e.media,this._cleanTracks()},e.onMediaDetaching=function(){var t=this.captionsTracks;Object.keys(t).forEach((function(e){U(t[e]),delete t[e]})),this.nonNativeCaptionsTracks={}},e.onManifestLoading=function(){this.lastSn=-1,this.lastPartIndex=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!0}},this._cleanTracks(),this.tracks=[],this.captionsTracks={},this.nonNativeCaptionsTracks={},this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.timescale=[],this.cea608Parser1&&this.cea608Parser2&&(this.cea608Parser1.reset(),this.cea608Parser2.reset())},e._cleanTracks=function(){var t=this.media;if(t){var e=t.textTracks;if(e)for(var i=0;i<e.length;i++)U(e[i])}},e.onSubtitleTracksUpdated=function(t,e){var i=this;this.textTracks=[];var r=e.subtitleTracks||[],n=r.some((function(t){return"stpp.ttml.im1t"===t.textCodec}));if(this.config.enableWebVTT||n&&this.config.enableIMSC1){var a=this.tracks&&r&&this.tracks.length===r.length;if(this.tracks=r||[],this.config.renderTextTracksNatively){var o=this.media?this.media.textTracks:[];this.tracks.forEach((function(t,e){var r;if(e<o.length){for(var n=null,a=0;a<o.length;a++)if(_i(o[a],t)){n=o[a];break}n&&(r=n)}if(r)U(r);else{var s=i._captionsOrSubtitlesFromCharacteristics(t);(r=i.createTextTrack(s,t.name,t.lang))&&(r.mode="disabled")}r&&(r.groupId=t.groupId,i.textTracks.push(r))}))}else if(!a&&this.tracks&&this.tracks.length){var l=this.tracks.map((function(t){return{label:t.name,kind:t.type.toLowerCase(),default:t.default,subtitleTrack:t}}));this.hls.trigger(s.a.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:l})}}},e._captionsOrSubtitlesFromCharacteristics=function(t){var e;if(null!==(e=t.attrs)&&void 0!==e&&e.CHARACTERISTICS){var i=/transcribes-spoken-dialog/gi.test(t.attrs.CHARACTERISTICS),r=/describes-music-and-sound/gi.test(t.attrs.CHARACTERISTICS);if(i&&r)return"captions"}return"subtitles"},e.onManifestLoaded=function(t,e){var i=this;this.config.enableCEA708Captions&&e.captions&&e.captions.forEach((function(t){var e=/(?:CC|SERVICE)([1-4])/.exec(t.instreamId);if(e){var r="textTrack"+e[1],n=i.captionsProperties[r];n&&(n.label=t.name,t.lang&&(n.languageCode=t.lang),n.media=t)}}))},e.closedCaptionsForLevel=function(t){var e=this.hls.levels[t.level];return null==e?void 0:e.attrs["CLOSED-CAPTIONS"]},e.onFragLoading=function(t,e){var i=this.cea608Parser1,r=this.cea608Parser2,n=this.lastSn,a=this.lastPartIndex;if(this.enabled&&i&&r&&e.frag.type===w.b.MAIN){var s,o,l=e.frag.sn,u=null!=(s=null==e||null===(o=e.part)||void 0===o?void 0:o.index)?s:-1;l===n+1||l===n&&u===a+1||(i.reset(),r.reset()),this.lastSn=l,this.lastPartIndex=u}},e.onFragLoaded=function(t,e){var i=e.frag,r=e.payload,n=this.initPTS,o=this.unparsedVttFrags;if(i.type===w.b.SUBTITLE)if(r.byteLength){if(!Object(a.a)(n[i.cc]))return o.push(e),void(n.length&&this.hls.trigger(s.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:i,error:new Error("Missing initial subtitle PTS")}));var l=i.decryptdata,u="stats"in e;if(null==l||null==l.key||"AES-128"!==l.method||u){var h=this.tracks[i.level],d=this.vttCCs;d[i.cc]||(d[i.cc]={start:i.start,prevCC:this.prevCC,new:!0},this.prevCC=i.cc),h&&"stpp.ttml.im1t"===h.textCodec?this._parseIMSC1(i,r):this._parseVTTs(i,r,d)}}else this.hls.trigger(s.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:i,error:new Error("Empty subtitle payload")})},e._parseIMSC1=function(t,e){var i=this,r=this.hls;Ei(e,this.initPTS[t.cc],this.timescale[t.cc],(function(e){i._appendCues(e,t.level),r.trigger(s.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:t})}),(function(e){l.b.log("Failed to parse IMSC1: "+e),r.trigger(s.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t,error:e})}))},e._parseVTTs=function(t,e,i){var r,n=this,a=this.hls;pi(null!==(r=t.initSegment)&&void 0!==r&&r.data?Object(u.b)(t.initSegment.data,new Uint8Array(e)):e,this.initPTS[t.cc],this.timescale[t.cc],i,t.cc,t.start,(function(e){n._appendCues(e,t.level),a.trigger(s.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:t})}),(function(i){n._fallbackToIMSC1(t,e),l.b.log("Failed to parse VTT cue: "+i),a.trigger(s.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t,error:i})}))},e._fallbackToIMSC1=function(t,e){var i=this,r=this.tracks[t.level];r.textCodec||Ei(e,this.initPTS[t.cc],this.timescale[t.cc],(function(){r.textCodec="stpp.ttml.im1t",i._parseIMSC1(t,e)}),(function(){r.textCodec="wvtt"}))},e._appendCues=function(t,e){var i=this.hls;if(this.config.renderTextTracksNatively){var r=this.textTracks[e];if(!r||"disabled"===r.mode)return;t.forEach((function(t){return N(r,t)}))}else{var n=this.tracks[e];if(!n)return;var a=n.default?"default":"subtitles"+e;i.trigger(s.a.CUES_PARSED,{type:"subtitles",cues:t,track:a})}},e.onFragDecrypted=function(t,e){var i=e.frag;if(i.type===w.b.SUBTITLE){if(!Object(a.a)(this.initPTS[i.cc]))return void this.unparsedVttFrags.push(e);this.onFragLoaded(s.a.FRAG_LOADED,e)}},e.onSubtitleTracksCleared=function(){this.tracks=[],this.captionsTracks={}},e.onFragParsingUserdata=function(t,e){var i=this.cea608Parser1,r=this.cea608Parser2;if(this.enabled&&i&&r){var n=e.frag,a=e.samples;if(n.type!==w.b.MAIN||"NONE"!==this.closedCaptionsForLevel(n))for(var s=0;s<a.length;s++){var o=a[s].bytes;if(o){var l=this.extractCea608Data(o);i.addData(a[s].pts,l[0]),r.addData(a[s].pts,l[1])}}}},e.onBufferFlushing=function(t,e){var i=e.startOffset,r=e.endOffset,n=e.endOffsetSubtitles,a=e.type,s=this.media;if(s&&!(s.currentTime<r)){if(!a||"video"===a){var o=this.captionsTracks;Object.keys(o).forEach((function(t){return B(o[t],i,r)}))}if(this.config.renderTextTracksNatively&&0===i&&void 0!==n){var l=this.textTracks;Object.keys(l).forEach((function(t){return B(l[t],i,n)}))}}},e.extractCea608Data=function(t){for(var e=[[],[]],i=31&t[0],r=2,n=0;n<i;n++){var a=t[r++],s=127&t[r++],o=127&t[r++];if(0!==s||0!==o)if(0!=(4&a)){var l=3&a;0!==l&&1!==l||(e[l].push(s),e[l].push(o))}}return e},t}();function _i(t,e){return t&&t.label===e.name&&!(t.textTrack1||t.textTrack2)}function Ii(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var Oi,Ci=function(){function t(t){this.autoLevelCapping=void 0,this.firstLevel=void 0,this.media=void 0,this.restrictedLevels=void 0,this.timer=void 0,this.hls=void 0,this.streamController=void 0,this.clientRect=void 0,this.hls=t,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.firstLevel=-1,this.media=null,this.restrictedLevels=[],this.timer=void 0,this.clientRect=null,this.registerListeners()}var e,i,r,n=t.prototype;return n.setStreamController=function(t){this.streamController=t},n.destroy=function(){this.unregisterListener(),this.hls.config.capLevelToPlayerSize&&this.stopCapping(),this.media=null,this.clientRect=null,this.hls=this.streamController=null},n.registerListeners=function(){var t=this.hls;t.on(s.a.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),t.on(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.on(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.on(s.a.BUFFER_CODECS,this.onBufferCodecs,this),t.on(s.a.MEDIA_DETACHING,this.onMediaDetaching,this)},n.unregisterListener=function(){var t=this.hls;t.off(s.a.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),t.off(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this),t.off(s.a.MANIFEST_PARSED,this.onManifestParsed,this),t.off(s.a.BUFFER_CODECS,this.onBufferCodecs,this),t.off(s.a.MEDIA_DETACHING,this.onMediaDetaching,this)},n.onFpsDropLevelCapping=function(e,i){t.isLevelAllowed(i.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(i.droppedLevel)},n.onMediaAttaching=function(t,e){this.media=e.media instanceof HTMLVideoElement?e.media:null},n.onManifestParsed=function(t,e){var i=this.hls;this.restrictedLevels=[],this.firstLevel=e.firstLevel,i.config.capLevelToPlayerSize&&e.video&&this.startCapping()},n.onBufferCodecs=function(t,e){this.hls.config.capLevelToPlayerSize&&e.video&&this.startCapping()},n.onMediaDetaching=function(){this.stopCapping()},n.detectPlayerSize=function(){if(this.media&&this.mediaHeight>0&&this.mediaWidth>0){var t=this.hls.levels;if(t.length){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t.length-1),e.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},n.getMaxLevel=function(e){var i=this,r=this.hls.levels;if(!r.length)return-1;var n=r.filter((function(r,n){return t.isLevelAllowed(n,i.restrictedLevels)&&n<=e}));return this.clientRect=null,t.getMaxLevelByMediaSize(n,this.mediaWidth,this.mediaHeight)},n.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},n.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},n.getDimensions=function(){if(this.clientRect)return this.clientRect;var t=this.media,e={width:0,height:0};if(t){var i=t.getBoundingClientRect();e.width=i.width,e.height=i.height,e.width||e.height||(e.width=i.right-i.left||t.width||0,e.height=i.bottom-i.top||t.height||0)}return this.clientRect=e,e},t.isLevelAllowed=function(t,e){return void 0===e&&(e=[]),-1===e.indexOf(t)},t.getMaxLevelByMediaSize=function(t,e,i){if(!t||!t.length)return-1;for(var r,n,a=t.length-1,s=0;s<t.length;s+=1){var o=t[s];if((o.width>=e||o.height>=i)&&(r=o,!(n=t[s+1])||r.width!==n.width||r.height!==n.height)){a=s;break}}return a},e=t,(i=[{key:"mediaWidth",get:function(){return this.getDimensions().width*this.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*this.contentScaleFactor}},{key:"contentScaleFactor",get:function(){var t=1;if(!this.hls.config.ignoreDevicePixelRatio)try{t=self.devicePixelRatio}catch(t){}return t}}])&&Ii(e.prototype,i),r&&Ii(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}(),wi=function(){function t(t){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=t,this.registerListeners()}var e=t.prototype;return e.setStreamController=function(t){this.streamController=t},e.registerListeners=function(){this.hls.on(s.a.MEDIA_ATTACHING,this.onMediaAttaching,this)},e.unregisterListeners=function(){this.hls.off(s.a.MEDIA_ATTACHING,this.onMediaAttaching)},e.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},e.onMediaAttaching=function(t,e){var i=this.hls.config;if(i.capLevelOnFPSDrop){var r=e.media instanceof self.HTMLVideoElement?e.media:null;this.media=r,r&&"function"==typeof r.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),i.fpsDroppedMonitoringPeriod)}},e.checkFPS=function(t,e,i){var r=performance.now();if(e){if(this.lastTime){var n=r-this.lastTime,a=i-this.lastDroppedFrames,o=e-this.lastDecodedFrames,u=1e3*a/n,h=this.hls;if(h.trigger(s.a.FPS_DROP,{currentDropped:a,currentDecoded:o,totalDroppedFrames:i}),u>0&&a>h.config.fpsDroppedMonitoringThreshold*o){var d=h.currentLevel;l.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+d),d>0&&(-1===h.autoLevelCapping||h.autoLevelCapping>=d)&&(d-=1,h.trigger(s.a.FPS_DROP_LEVEL_CAPPING,{level:d,droppedLevel:h.currentLevel}),h.autoLevelCapping=d,this.streamController.nextLevelSwitch())}}this.lastTime=r,this.lastDroppedFrames=i,this.lastDecodedFrames=e}},e.checkFPSInterval=function(){var t=this.media;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},t}();!function(t){t.WIDEVINE="com.widevine.alpha",t.PLAYREADY="com.microsoft.playready"}(Oi||(Oi={}));var xi="undefined"!=typeof self&&self.navigator&&self.navigator.requestMediaKeySystemAccess?self.navigator.requestMediaKeySystemAccess.bind(self.navigator):null;function Pi(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}var Fi,Mi,Ni,Ui=function(){function t(t){this.hls=void 0,this._widevineLicenseUrl=void 0,this._licenseXhrSetup=void 0,this._licenseResponseCallback=void 0,this._emeEnabled=void 0,this._requestMediaKeySystemAccess=void 0,this._drmSystemOptions=void 0,this._config=void 0,this._mediaKeysList=[],this._media=null,this._hasSetMediaKeys=!1,this._requestLicenseFailureCount=0,this.mediaKeysPromise=null,this._onMediaEncrypted=this.onMediaEncrypted.bind(this),this.hls=t,this._config=t.config,this._widevineLicenseUrl=this._config.widevineLicenseUrl,this._licenseXhrSetup=this._config.licenseXhrSetup,this._licenseResponseCallback=this._config.licenseResponseCallback,this._emeEnabled=this._config.emeEnabled,this._requestMediaKeySystemAccess=this._config.requestMediaKeySystemAccessFunc,this._drmSystemOptions=this._config.drmSystemOptions,this._registerListeners()}var e,i,r,n=t.prototype;return n.destroy=function(){this._unregisterListeners(),this.hls=this._onMediaEncrypted=null,this._requestMediaKeySystemAccess=null},n._registerListeners=function(){this.hls.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.on(s.a.MEDIA_DETACHED,this.onMediaDetached,this),this.hls.on(s.a.MANIFEST_PARSED,this.onManifestParsed,this)},n._unregisterListeners=function(){this.hls.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),this.hls.off(s.a.MEDIA_DETACHED,this.onMediaDetached,this),this.hls.off(s.a.MANIFEST_PARSED,this.onManifestParsed,this)},n.getLicenseServerUrl=function(t){switch(t){case Oi.WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+t+'"')},n._attemptKeySystemAccess=function(t,e,i){var r=this,n=function(t,e,i,r){switch(t){case Oi.WIDEVINE:return function(t,e,i){var r={audioCapabilities:[],videoCapabilities:[]};return t.forEach((function(t){r.audioCapabilities.push({contentType:'audio/mp4; codecs="'+t+'"',robustness:i.audioRobustness||""})})),e.forEach((function(t){r.videoCapabilities.push({contentType:'video/mp4; codecs="'+t+'"',robustness:i.videoRobustness||""})})),[r]}(e,i,r);default:throw new Error("Unknown key-system: "+t)}}(t,e,i,this._drmSystemOptions);l.b.log("Requesting encrypted media key-system access");var a=this.requestMediaKeySystemAccess(t,n);this.mediaKeysPromise=a.then((function(e){return r._onMediaKeySystemAccessObtained(t,e)})),a.catch((function(e){l.b.error('Failed to obtain key-system "'+t+'" access:',e)}))},n._onMediaKeySystemAccessObtained=function(t,e){var i=this;l.b.log('Access for key-system "'+t+'" obtained');var r={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:e,mediaKeySystemDomain:t};this._mediaKeysList.push(r);var n=Promise.resolve().then((function(){return e.createMediaKeys()})).then((function(e){return r.mediaKeys=e,l.b.log('Media-keys created for key-system "'+t+'"'),i._onMediaKeysCreated(),e}));return n.catch((function(t){l.b.error("Failed to create media-keys:",t)})),n},n._onMediaKeysCreated=function(){var t=this;this._mediaKeysList.forEach((function(e){e.mediaKeysSession||(e.mediaKeysSession=e.mediaKeys.createSession(),t._onNewMediaKeySession(e.mediaKeysSession))}))},n._onNewMediaKeySession=function(t){var e=this;l.b.log("New key-system session "+t.sessionId),t.addEventListener("message",(function(i){e._onKeySessionMessage(t,i.message)}),!1)},n._onKeySessionMessage=function(t,e){l.b.log("Got EME message event, creating license request"),this._requestLicense(e,(function(e){l.b.log("Received license data (length: "+(e?e.byteLength:e)+"), updating key-session"),t.update(e).catch((function(t){l.b.warn("Updating key-session failed: "+t)}))}))},n.onMediaEncrypted=function(t){var e=this;if(l.b.log('Media is encrypted using "'+t.initDataType+'" init data type'),!this.mediaKeysPromise)return l.b.error("Fatal: Media is encrypted but no CDM access or no keys have been requested"),void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});var i=function(i){e._media&&(e._attemptSetMediaKeys(i),e._generateRequestWithPreferredKeySession(t.initDataType,t.initData))};this.mediaKeysPromise.then(i).catch(i)},n._attemptSetMediaKeys=function(t){if(!this._media)throw new Error("Attempted to set mediaKeys without first attaching a media element");if(!this._hasSetMediaKeys){var e=this._mediaKeysList[0];if(!e||!e.mediaKeys)return l.b.error("Fatal: Media is encrypted but no CDM access or no keys have been obtained yet"),void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});l.b.log("Setting keys for encrypted media"),this._media.setMediaKeys(e.mediaKeys),this._hasSetMediaKeys=!0}},n._generateRequestWithPreferredKeySession=function(t,e){var i=this,r=this._mediaKeysList[0];if(!r)return l.b.error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(r.mediaKeysSessionInitialized)l.b.warn("Key-Session already initialized but requested again");else{var n=r.mediaKeysSession;if(!n)return l.b.error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!e)return l.b.warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});l.b.log('Generating key-session request for "'+t+'" init data type'),r.mediaKeysSessionInitialized=!0,n.generateRequest(t,e).then((function(){l.b.debug("Key-session generation succeeded")})).catch((function(t){l.b.error("Error generating key-session request:",t),i.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},n._createLicenseXhr=function(t,e,i){var r=new XMLHttpRequest;r.responseType="arraybuffer",r.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,r,t,e,i);var n=this._licenseXhrSetup;if(n)try{n.call(this.hls,r,t),n=void 0}catch(t){l.b.error(t)}try{r.readyState||r.open("POST",t,!0),n&&n.call(this.hls,r,t)}catch(t){throw new Error("issue setting up KeySystem license XHR "+t)}return r},n._onLicenseRequestReadyStageChange=function(t,e,i,r){switch(t.readyState){case 4:if(200===t.status){this._requestLicenseFailureCount=0,l.b.log("License request succeeded");var n=t.response,a=this._licenseResponseCallback;if(a)try{n=a.call(this.hls,t,e)}catch(t){l.b.error(t)}r(n)}else{if(l.b.error("License Request XHR failed ("+e+"). Status: "+t.status+" ("+t.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>3)return void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var u=3-this._requestLicenseFailureCount+1;l.b.warn("Retrying license request, "+u+" attempts left"),this._requestLicense(i,r)}}},n._generateLicenseRequestChallenge=function(t,e){switch(t.mediaKeySystemDomain){case Oi.WIDEVINE:return e}throw new Error("unsupported key-system: "+t.mediaKeySystemDomain)},n._requestLicense=function(t,e){l.b.log("Requesting content license for key-system");var i=this._mediaKeysList[0];if(!i)return l.b.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var r=this.getLicenseServerUrl(i.mediaKeySystemDomain),n=this._createLicenseXhr(r,t,e);l.b.log("Sending license request to URL: "+r);var a=this._generateLicenseRequestChallenge(i,t);n.send(a)}catch(t){l.b.error("Failure requesting DRM license: "+t),this.hls.trigger(s.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},n.onMediaAttached=function(t,e){if(this._emeEnabled){var i=e.media;this._media=i,i.addEventListener("encrypted",this._onMediaEncrypted)}},n.onMediaDetached=function(){var t=this._media,e=this._mediaKeysList;t&&(t.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null,this._mediaKeysList=[],Promise.all(e.map((function(t){if(t.mediaKeysSession)return t.mediaKeysSession.close().catch((function(){}))}))).then((function(){return t.setMediaKeys(null)})).catch((function(){})))},n.onManifestParsed=function(t,e){if(this._emeEnabled){var i=e.levels.map((function(t){return t.audioCodec})).filter((function(t){return!!t})),r=e.levels.map((function(t){return t.videoCodec})).filter((function(t){return!!t}));this._attemptKeySystemAccess(Oi.WIDEVINE,i,r)}},e=t,(i=[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}])&&Pi(e.prototype,i),r&&Pi(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}();function Bi(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}function Gi(t,e,i){return e&&Bi(t.prototype,e),i&&Bi(t,i),Object.defineProperty(t,"prototype",{writable:!1}),t}function ji(t,e){var i="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(i)return(i=i.call(t)).next.bind(i);if(Array.isArray(t)||(i=function(t,e){if(!t)return;if("string"==typeof t)return Ki(t,e);var i=Object.prototype.toString.call(t).slice(8,-1);"Object"===i&&t.constructor&&(i=t.constructor.name);if("Map"===i||"Set"===i)return Array.from(t);if("Arguments"===i||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(i))return Ki(t,e)}(t))||e&&t&&"number"==typeof t.length){i&&(t=i);var r=0;return function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function Ki(t,e){(null==e||e>t.length)&&(e=t.length);for(var i=0,r=new Array(e);i<e;i++)r[i]=t[i];return r}function Hi(){return(Hi=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var r in i)Object.prototype.hasOwnProperty.call(i,r)&&(t[r]=i[r])}return t}).apply(this,arguments)}!function(t){t.MANIFEST="m",t.AUDIO="a",t.VIDEO="v",t.MUXED="av",t.INIT="i",t.CAPTION="c",t.TIMED_TEXT="tt",t.KEY="k",t.OTHER="o"}(Fi||(Fi={})),function(t){t.DASH="d",t.HLS="h",t.SMOOTH="s",t.OTHER="o"}(Mi||(Mi={})),function(t){t.VOD="v",t.LIVE="l"}(Ni||(Ni={}));var Vi=function(){function t(e){var i=this;this.hls=void 0,this.config=void 0,this.media=void 0,this.sid=void 0,this.cid=void 0,this.useHeaders=!1,this.initialized=!1,this.starved=!1,this.buffering=!0,this.audioBuffer=void 0,this.videoBuffer=void 0,this.onWaiting=function(){i.initialized&&(i.starved=!0),i.buffering=!0},this.onPlaying=function(){i.initialized||(i.initialized=!0),i.buffering=!1},this.applyPlaylistData=function(t){try{i.apply(t,{ot:Fi.MANIFEST,su:!i.initialized})}catch(t){l.b.warn("Could not generate manifest CMCD data.",t)}},this.applyFragmentData=function(t){try{var e=t.frag,r=i.hls.levels[e.level],n=i.getObjectType(e),a={d:1e3*e.duration,ot:n};n!==Fi.VIDEO&&n!==Fi.AUDIO&&n!=Fi.MUXED||(a.br=r.bitrate/1e3,a.tb=i.getTopBandwidth(n)/1e3,a.bl=i.getBufferLength(n)),i.apply(t,a)}catch(t){l.b.warn("Could not generate segment CMCD data.",t)}},this.hls=e;var r=this.config=e.config,n=r.cmcd;null!=n&&(r.pLoader=this.createPlaylistLoader(),r.fLoader=this.createFragmentLoader(),this.sid=n.sessionId||t.uuid(),this.cid=n.contentId,this.useHeaders=!0===n.useHeaders,this.registerListeners())}var e=t.prototype;return e.registerListeners=function(){var t=this.hls;t.on(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.on(s.a.MEDIA_DETACHED,this.onMediaDetached,this),t.on(s.a.BUFFER_CREATED,this.onBufferCreated,this)},e.unregisterListeners=function(){var t=this.hls;t.off(s.a.MEDIA_ATTACHED,this.onMediaAttached,this),t.off(s.a.MEDIA_DETACHED,this.onMediaDetached,this),t.off(s.a.BUFFER_CREATED,this.onBufferCreated,this),this.onMediaDetached()},e.destroy=function(){this.unregisterListeners(),this.hls=this.config=this.audioBuffer=this.videoBuffer=null},e.onMediaAttached=function(t,e){this.media=e.media,this.media.addEventListener("waiting",this.onWaiting),this.media.addEventListener("playing",this.onPlaying)},e.onMediaDetached=function(){this.media&&(this.media.removeEventListener("waiting",this.onWaiting),this.media.removeEventListener("playing",this.onPlaying),this.media=null)},e.onBufferCreated=function(t,e){var i,r;this.audioBuffer=null===(i=e.tracks.audio)||void 0===i?void 0:i.buffer,this.videoBuffer=null===(r=e.tracks.video)||void 0===r?void 0:r.buffer},e.createData=function(){var t;return{v:1,sf:Mi.HLS,sid:this.sid,cid:this.cid,pr:null===(t=this.media)||void 0===t?void 0:t.playbackRate,mtp:this.hls.bandwidthEstimate/1e3}},e.apply=function(e,i){void 0===i&&(i={}),Hi(i,this.createData());var r=i.ot===Fi.INIT||i.ot===Fi.VIDEO||i.ot===Fi.MUXED;if(this.starved&&r&&(i.bs=!0,i.su=!0,this.starved=!1),null==i.su&&(i.su=this.buffering),this.useHeaders){var n=t.toHeaders(i);if(!Object.keys(n).length)return;e.headers||(e.headers={}),Hi(e.headers,n)}else{var a=t.toQuery(i);if(!a)return;e.url=t.appendQueryToUri(e.url,a)}},e.getObjectType=function(t){var e=t.type;return"subtitle"===e?Fi.TIMED_TEXT:"initSegment"===t.sn?Fi.INIT:"audio"===e?Fi.AUDIO:"main"===e?this.hls.audioTracks.length?Fi.VIDEO:Fi.MUXED:void 0},e.getTopBandwidth=function(t){var e,i=0,r=this.hls;if(t===Fi.AUDIO)e=r.audioTracks;else{var n=r.maxAutoLevel,a=n>-1?n+1:r.levels.length;e=r.levels.slice(0,a)}for(var s,o=ji(e);!(s=o()).done;){var l=s.value;l.bitrate>i&&(i=l.bitrate)}return i>0?i:NaN},e.getBufferLength=function(t){var e=this.hls.media,i=t===Fi.AUDIO?this.audioBuffer:this.videoBuffer;return i&&e?1e3*mt.bufferInfo(i,e.currentTime,this.config.maxBufferHole).len:NaN},e.createPlaylistLoader=function(){var t=this.config.pLoader,e=this.applyPlaylistData,i=t||this.config.loader;return function(){function t(t){this.loader=void 0,this.loader=new i(t)}var r=t.prototype;return r.destroy=function(){this.loader.destroy()},r.abort=function(){this.loader.abort()},r.load=function(t,i,r){e(t),this.loader.load(t,i,r)},Gi(t,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}]),t}()},e.createFragmentLoader=function(){var t=this.config.fLoader,e=this.applyFragmentData,i=t||this.config.loader;return function(){function t(t){this.loader=void 0,this.loader=new i(t)}var r=t.prototype;return r.destroy=function(){this.loader.destroy()},r.abort=function(){this.loader.abort()},r.load=function(t,i,r){e(t),this.loader.load(t,i,r)},Gi(t,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return 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Here is a stacktrace:',e),this.trigger(s.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!1,event:t,error:e})}return!1},a.listenerCount=function(t){return this._emitter.listenerCount(t)},a.destroy=function(){l.b.log("destroy"),this.trigger(s.a.DESTROYING,void 0),this.detachMedia(),this.removeAllListeners(),this._autoLevelCapping=-1,this.url=null,this.networkControllers.forEach((function(t){return t.destroy()})),this.networkControllers.length=0,this.coreComponents.forEach((function(t){return t.destroy()})),this.coreComponents.length=0},a.attachMedia=function(t){l.b.log("attachMedia"),this._media=t,this.trigger(s.a.MEDIA_ATTACHING,{media:t})},a.detachMedia=function(){l.b.log("detachMedia"),this.trigger(s.a.MEDIA_DETACHING,void 0),this._media=null},a.loadSource=function(t){this.stopLoad();var e=this.media,i=this.url,r=this.url=n.buildAbsoluteURL(self.location.href,t,{alwaysNormalize:!0});l.b.log("loadSource:"+r),e&&i&&i!==r&&this.bufferController.hasSourceTypes()&&(this.detachMedia(),this.attachMedia(e)),this.trigger(s.a.MANIFEST_LOADING,{url:t})},a.startLoad=function(t){void 0===t&&(t=-1),l.b.log("startLoad("+t+")"),this.networkControllers.forEach((function(e){e.startLoad(t)}))},a.stopLoad=function(){l.b.log("stopLoad"),this.networkControllers.forEach((function(t){t.stopLoad()}))},a.swapAudioCodec=function(){l.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},a.recoverMediaError=function(){l.b.log("recoverMediaError");var t=this._media;this.detachMedia(),t&&this.attachMedia(t)},a.removeLevel=function(t,e){void 0===e&&(e=0),this.levelController.removeLevel(t,e)},e=t,r=[{key:"version",get:function(){return"1.2.4"}},{key:"Events",get:function(){return s.a}},{key:"ErrorTypes",get:function(){return o.b}},{key:"ErrorDetails",get:function(){return o.a}},{key:"DefaultConfig",get:function(){return t.defaultConfig?t.defaultConfig:ur},set:function(e){t.defaultConfig=e}}],(i=[{key:"levels",get:function(){var t=this.levelController.levels;return t||[]}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(t){l.b.log("set currentLevel:"+t),this.loadLevel=t,this.abrController.clearTimer(),this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(t){l.b.log("set nextLevel:"+t),this.levelController.manualLevel=t,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(t){l.b.log("set loadLevel:"+t),this.levelController.manualLevel=t}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(t){this.levelController.nextLoadLevel=t}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(t){l.b.log("set firstLevel:"+t),this.levelController.firstLevel=t}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(t){l.b.log("set startLevel:"+t),-1!==t&&(t=Math.max(t,this.minAutoLevel)),this.levelController.startLevel=t}},{key:"capLevelToPlayerSize",get:function(){return this.config.capLevelToPlayerSize},set:function(t){var e=!!t;e!==this.config.capLevelToPlayerSize&&(e?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=e)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(t){this._autoLevelCapping!==t&&(l.b.log("set autoLevelCapping:"+t),this._autoLevelCapping=t)}},{key:"bandwidthEstimate",get:function(){var t=this.abrController.bwEstimator;return t?t.getEstimate():NaN}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){var t=this.levels,e=this.config.minAutoBitrate;if(!t)return 0;for(var i=t.length,r=0;r<i;r++)if(t[r].maxBitrate>=e)return r;return 0}},{key:"maxAutoLevel",get:function(){var t=this.levels,e=this.autoLevelCapping;return-1===e&&t&&t.length?t.length-1:e}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(t){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,t)}},{key:"playingDate",get:function(){return this.streamController.currentProgramDateTime}},{key:"mainForwardBufferInfo",get:function(){return this.streamController.getMainFwdBufferInfo()}},{key:"audioTracks",get:function(){var t=this.audioTrackController;return t?t.audioTracks:[]}},{key:"audioTrack",get:function(){var t=this.audioTrackController;return t?t.audioTrack:-1},set:function(t){var e=this.audioTrackController;e&&(e.audioTrack=t)}},{key:"subtitleTracks",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var t=this.subtitleTrackController;return t?t.subtitleTrack:-1},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleTrack=t)}},{key:"media",get:function(){return this._media}},{key:"subtitleDisplay",get:function(){var t=this.subtitleTrackController;return!!t&&t.subtitleDisplay},set:function(t){var e=this.subtitleTrackController;e&&(e.subtitleDisplay=t)}},{key:"lowLatencyMode",get:function(){return this.config.lowLatencyMode},set:function(t){this.config.lowLatencyMode=t}},{key:"liveSyncPosition",get:function(){return this.latencyController.liveSyncPosition}},{key:"latency",get:function(){return this.latencyController.latency}},{key:"maxLatency",get:function(){return this.latencyController.maxLatency}},{key:"targetLatency",get:function(){return this.latencyController.targetLatency}},{key:"drift",get:function(){return this.latencyController.drift}},{key:"forceStartLoad",get:function(){return this.streamController.forceStartLoad}}])&&dr(e.prototype,i),r&&dr(e,r),Object.defineProperty(e,"prototype",{writable:!1}),t}();cr.defaultConfig=void 0}]).default}));
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// @license-end