hls.light.min.js

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new TypeError("Cannot call a class as a function")}function L(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function w(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var D=r(1),O=r(2),x=function(){function t(e,r){a(this,t),this.subtle=e,this.aesIV=r}return t.prototype.decrypt=function(t,e){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},e,t)},t}(),I=x,k=function(){function t(e,r){i(this,t),this.subtle=e,this.key=r}return t.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},t}(),P=k,C=function(){function t(){n(this,t),this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}return t.prototype.uint8ArrayToUint32Array_=function(t){for(var e=new DataView(t),r=new Uint32Array(4),a=0;a<4;a++)r[a]=e.getUint32(4*a);return r},t.prototype.initTable=function(){var t=this.sBox,e=this.invSBox,r=this.subMix,a=r[0],i=r[1],n=r[2],o=r[3],s=this.invSubMix,l=s[0],d=s[1],u=s[2],h=s[3],f=new Uint32Array(256),c=0,p=0,v=0;for(v=0;v<256;v++)f[v]=v<128?v<<1:v<<1^283;for(v=0;v<256;v++){var g=p^p<<1^p<<2^p<<3^p<<4;g=g>>>8^255&g^99,t[c]=g,e[g]=c;var m=f[c],y=f[m],b=f[y],E=257*f[g]^16843008*g;a[c]=E<<24|E>>>8,i[c]=E<<16|E>>>16,n[c]=E<<8|E>>>24,o[c]=E,E=16843009*b^65537*y^257*m^16843008*c,l[g]=E<<24|E>>>8,d[g]=E<<16|E>>>16,u[g]=E<<8|E>>>24,h[g]=E,c?(c=m^f[f[f[b^m]]],p^=f[f[p]]):c=p=1}},t.prototype.expandKey=function(t){for(var e=this.uint8ArrayToUint32Array_(t),r=!0,a=0;a<e.length&&r;)r=e[a]===this.key[a],a++;if(!r){this.key=e;var i=this.keySize=e.length;if(4!==i&&6!==i&&8!==i)throw new Error("Invalid aes key size="+i);var n=this.ksRows=4*(i+6+1),o=void 0,s=void 0,l=this.keySchedule=new Uint32Array(n),d=this.invKeySchedule=new Uint32Array(n),u=this.sBox,h=this.rcon,f=this.invSubMix,c=f[0],p=f[1],v=f[2],g=f[3],m=void 0,y=void 0;for(o=0;o<n;o++)o<i?m=l[o]=e[o]:(y=m,o%i==0?(y=y<<8|y>>>24,y=u[y>>>24]<<24|u[y>>>16&255]<<16|u[y>>>8&255]<<8|u[255&y],y^=h[o/i|0]<<24):i>6&&o%i==4&&(y=u[y>>>24]<<24|u[y>>>16&255]<<16|u[y>>>8&255]<<8|u[255&y]),l[o]=m=(l[o-i]^y)>>>0);for(s=0;s<n;s++)o=n-s,y=3&s?l[o]:l[o-4],d[s]=s<4||o<=4?y:c[u[y>>>24]]^p[u[y>>>16&255]]^v[u[y>>>8&255]]^g[u[255&y]],d[s]=d[s]>>>0}},t.prototype.networkToHostOrderSwap=function(t){return t<<24|(65280&t)<<8|(16711680&t)>>8|t>>>24},t.prototype.decrypt=function(t,e,r){for(var a,i,n=this.keySize+6,o=this.invKeySchedule,s=this.invSBox,l=this.invSubMix,d=l[0],u=l[1],h=l[2],f=l[3],c=this.uint8ArrayToUint32Array_(r),p=c[0],v=c[1],g=c[2],m=c[3],y=new Int32Array(t),b=new Int32Array(y.length),E=void 0,R=void 0,A=void 0,T=void 0,S=void 0,_=void 0,L=void 0,w=void 0,D=void 0,O=void 0,x=void 0,I=void 0,k=this.networkToHostOrderSwap;e<y.length;){for(D=k(y[e]),O=k(y[e+1]),x=k(y[e+2]),I=k(y[e+3]),S=D^o[0],_=I^o[1],L=x^o[2],w=O^o[3],a=4,i=1;i<n;i++)E=d[S>>>24]^u[_>>16&255]^h[L>>8&255]^f[255&w]^o[a],R=d[_>>>24]^u[L>>16&255]^h[w>>8&255]^f[255&S]^o[a+1],A=d[L>>>24]^u[w>>16&255]^h[S>>8&255]^f[255&_]^o[a+2],T=d[w>>>24]^u[S>>16&255]^h[_>>8&255]^f[255&L]^o[a+3],S=E,_=R,L=A,w=T,a+=4;E=s[S>>>24]<<24^s[_>>16&255]<<16^s[L>>8&255]<<8^s[255&w]^o[a],R=s[_>>>24]<<24^s[L>>16&255]<<16^s[w>>8&255]<<8^s[255&S]^o[a+1],A=s[L>>>24]<<24^s[w>>16&255]<<16^s[S>>8&255]<<8^s[255&_]^o[a+2],T=s[w>>>24]<<24^s[S>>16&255]<<16^s[_>>8&255]<<8^s[255&L]^o[a+3],a+=3,b[e]=k(E^p),b[e+1]=k(T^v),b[e+2]=k(A^g),b[e+3]=k(R^m),p=D,v=O,g=x,m=I,e+=4}return b.buffer},t.prototype.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},t}(),F=C,M=r(0),N=function(){function t(e,r){o(this,t),this.observer=e,this.config=r,this.logEnabled=!0;try{var a=crypto||self.crypto;this.subtle=a.subtle||a.webkitSubtle}catch(t){}this.disableWebCrypto=!this.subtle}return t.prototype.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.prototype.decrypt=function(t,e,r,a){var i=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(M.b.log("JS AES decrypt"),this.logEnabled=!1);var n=this.decryptor;n||(this.decryptor=n=new F),n.expandKey(e),a(n.decrypt(t,0,r))}else{this.logEnabled&&(M.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var o=this.subtle;this.key!==e&&(this.key=e,this.fastAesKey=new P(o,e)),this.fastAesKey.expandKey().then(function(n){new I(o,r).decrypt(t,n).catch(function(n){i.onWebCryptoError(n,t,e,r,a)}).then(function(t){a(t)})}).catch(function(n){i.onWebCryptoError(n,t,e,r,a)})}},t.prototype.onWebCryptoError=function(t,e,r,a,i){this.config.enableSoftwareAES?(M.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(e,r,a,i)):(M.b.error("decrypting error : "+t.message),this.observer.trigger(Event.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:t.message}))},t.prototype.destroy=function(){var t=this.decryptor;t&&(t.destroy(),this.decryptor=void 0)},t}(),U=N,B=r(4),G=function(){function t(e,r,a){m(this,t),this.observer=e,this.config=a,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,a){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:e,duration:a,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){if(!t)return!1;for(var e=B.a.getID3Data(t,0)||[],r=e.length,a=t.length;r<a;r++)if(f(t,r))return M.b.log("ADTS sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,a){for(var i=this._audioTrack,n=B.a.getID3Data(t,0)||[],o=B.a.getTimeStamp(n),s=o?90*o:9e4*e,l=0,d=s,u=t.length,f=n.length,p=[{pts:d,dts:d,data:n}];f<u-1;)if(h(t,f)&&f+5<u){c(i,this.observer,t,f,i.manifestCodec);var v=g(i,t,f,s,l);if(!v){M.b.log("Unable to parse AAC frame");break}f+=v.length,d=v.sample.pts,l++}else B.a.isHeader(t,f)?(n=B.a.getID3Data(t,f),p.push({pts:d,dts:d,data:n}),f+=n.length):f++;this.remuxer.remux(i,{samples:[]},{samples:p,inputTimeScale:9e4},{samples:[]},e,r,a)},t.prototype.destroy=function(){},t}(),H=G,j=Math.pow(2,32)-1,V=function(){function t(e,r){y(this,t),this.observer=e,this.remuxer=r}return t.prototype.resetTimeStamp=function(t){this.initPTS=t},t.prototype.resetInitSegment=function(e,r,a,i){if(e&&e.byteLength){var n=this.initData=t.parseInitSegment(e);null==r&&(r="mp4a.40.5"),null==a&&(a="avc1.42e01e");var o={};n.audio&&n.video?o.audiovideo={container:"video/mp4",codec:r+","+a,initSegment:i?e:null}:(n.audio&&(o.audio={container:"audio/mp4",codec:r,initSegment:i?e:null}),n.video&&(o.video={container:"video/mp4",codec:a,initSegment:i?e:null})),this.observer.trigger(D.a.FRAG_PARSING_INIT_SEGMENT,{tracks:o})}else r&&(this.audioCodec=r),a&&(this.videoCodec=a)},t.probe=function(e){return t.findBox({data:e,start:0,end:Math.min(e.length,16384)},["moof"]).length>0},t.bin2str=function(t){return String.fromCharCode.apply(null,t)},t.readUint32=function(t,e){t.data&&(e+=t.start,t=t.data);var r=t[e]<<24|t[e+1]<<16|t[e+2]<<8|t[e+3];return r<0?4294967296+r:r},t.writeUint32=function(t,e,r){t.data&&(e+=t.start,t=t.data),t[e]=r>>24,t[e+1]=r>>16&255,t[e+2]=r>>8&255,t[e+3]=255&r},t.findBox=function(e,r){var a,i,n,o,s,l,d,u=[];if(e.data?(l=e.start,o=e.end,e=e.data):(l=0,o=e.byteLength),!r.length)return null;for(a=l;a<o;)i=t.readUint32(e,a),n=t.bin2str(e.subarray(a+4,a+8)),d=i>1?a+i:o,n===r[0]&&(1===r.length?u.push({data:e,start:a+8,end:d}):(s=t.findBox({data:e,start:a+8,end:d},r.slice(1)),s.length&&(u=u.concat(s)))),a=d;return u},t.parseInitSegment=function(e){var r=[];return t.findBox(e,["moov","trak"]).forEach(function(e){var a=t.findBox(e,["tkhd"])[0];if(a){var i=a.data[a.start],n=0===i?12:20,o=t.readUint32(a,n),s=t.findBox(e,["mdia","mdhd"])[0];if(s){i=s.data[s.start],n=0===i?12:20;var l=t.readUint32(s,n),d=t.findBox(e,["mdia","hdlr"])[0];if(d){var u=t.bin2str(d.data.subarray(d.start+8,d.start+12)),h={soun:"audio",vide:"video"}[u];if(h){var f=t.findBox(e,["mdia","minf","stbl","stsd"]);if(f.length){f=f[0];var c=t.bin2str(f.data.subarray(f.start+12,f.start+16));M.b.log("MP4Demuxer:"+h+":"+c+" found")}r[o]={timescale:l,type:h},r[h]={timescale:l,id:o}}}}}}),r},t.getStartDTS=function(e,r){var a,i,n;return a=t.findBox(r,["moof","traf"]),i=[].concat.apply([],a.map(function(r){return t.findBox(r,["tfhd"]).map(function(a){var i,n;return i=t.readUint32(a,4),n=e[i].timescale||9e4,t.findBox(r,["tfdt"]).map(function(e){var r,a;return r=e.data[e.start],a=t.readUint32(e,4),1===r&&(a*=Math.pow(2,32),a+=t.readUint32(e,8)),a})[0]/n})})),n=Math.min.apply(null,i),isFinite(n)?n:0},t.offsetStartDTS=function(e,r,a){t.findBox(r,["moof","traf"]).map(function(r){return t.findBox(r,["tfhd"]).map(function(i){var n=t.readUint32(i,4),o=e[n].timescale||9e4;t.findBox(r,["tfdt"]).map(function(e){var r=e.data[e.start],i=t.readUint32(e,4);if(0===r)t.writeUint32(e,4,i-a*o);else{i*=Math.pow(2,32),i+=t.readUint32(e,8),i-=a*o,i=Math.max(i,0);var n=Math.floor(i/(j+1)),s=Math.floor(i%(j+1));t.writeUint32(e,4,n),t.writeUint32(e,8,s)}})})})},t.prototype.append=function(e,r,a,i){var n=this.initData;n||(this.resetInitSegment(e,this.audioCodec,this.videoCodec),n=this.initData);var o=void 0,s=this.initPTS;if(void 0===s){var l=t.getStartDTS(n,e);this.initPTS=s=l-r,this.observer.trigger(D.a.INIT_PTS_FOUND,{initPTS:s})}t.offsetStartDTS(n,e,s),o=t.getStartDTS(n,e),this.remuxer.remux(n.audio,n.video,null,null,o,a,i,e)},t.prototype.destroy=function(){},t}(),W=V,K={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],appendFrame:function(t,e,r,a,i){if(!(r+24>e.length)){var n=this.parseHeader(e,r);if(n&&r+n.frameLength<=e.length){var o=10368e4/n.sampleRate,s=a+i*o,l={unit:e.subarray(r,r+n.frameLength),pts:s,dts:s};return t.config=[],t.channelCount=n.channelCount,t.samplerate=n.sampleRate,t.samples.push(l),t.len+=n.frameLength,{sample:l,length:n.frameLength}}}},parseHeader:function(t,e){var r=t[e+1]>>3&3,a=t[e+1]>>1&3,i=t[e+2]>>4&15,n=t[e+2]>>2&3,o=!!(2&t[e+2]);if(1!==r&&0!==i&&15!==i&&3!==n){var s=3===r?3-a:3===a?3:4,l=1e3*K.BitratesMap[14*s+i-1],d=3===r?0:2===r?1:2,u=K.SamplingRateMap[3*d+n],h=o?1:0;return{sampleRate:u,channelCount:t[e+3]>>6==3?1:2,frameLength:3===a?(3===r?12:6)*l/u+h<<2:(3===r?144:72)*l/u+h|0}}},isHeaderPattern:function(t,e){return 255===t[e]&&224==(224&t[e+1])&&0!=(6&t[e+1])},isHeader:function(t,e){return!!(e+1<t.length&&this.isHeaderPattern(t,e))},probe:function(t,e){if(e+1<t.length&&this.isHeaderPattern(t,e)){var r=this.parseHeader(t,e),a=4;r&&r.frameLength&&(a=r.frameLength);var i=e+a;if(i===t.length||i+1<t.length&&this.isHeaderPattern(t,i))return!0}return!1}},Y=K,z=function(){function t(e){b(this,t),this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}return t.prototype.loadWord=function(){var t=this.data,e=this.bytesAvailable,r=t.byteLength-e,a=new Uint8Array(4),i=Math.min(4,e);if(0===i)throw new Error("no bytes available");a.set(t.subarray(r,r+i)),this.word=new DataView(a.buffer).getUint32(0),this.bitsAvailable=8*i,this.bytesAvailable-=i},t.prototype.skipBits=function(t){var e;this.bitsAvailable>t?(this.word<<=t,this.bitsAvailable-=t):(t-=this.bitsAvailable,e=t>>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<<=t,this.bitsAvailable-=t)},t.prototype.readBits=function(t){var e=Math.min(this.bitsAvailable,t),r=this.word>>>32-e;return t>32&&M.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<<=e:this.bytesAvailable>0&&this.loadWord(),e=t-e,e>0&&this.bitsAvailable?r<<e|this.readBits(e):r},t.prototype.skipLZ=function(){var t;for(t=0;t<this.bitsAvailable;++t)if(0!=(this.word&2147483648>>>t))return this.word<<=t,this.bitsAvailable-=t,t;return this.loadWord(),t+this.skipLZ()},t.prototype.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.skipEG=function(){this.skipBits(1+this.skipLZ())},t.prototype.readUEG=function(){var t=this.skipLZ();return this.readBits(t+1)-1},t.prototype.readEG=function(){var t=this.readUEG();return 1&t?1+t>>>1:-1*(t>>>1)},t.prototype.readBoolean=function(){return 1===this.readBits(1)},t.prototype.readUByte=function(){return this.readBits(8)},t.prototype.readUShort=function(){return this.readBits(16)},t.prototype.readUInt=function(){return this.readBits(32)},t.prototype.skipScalingList=function(t){var e,r,a=8,i=8;for(e=0;e<t;e++)0!==i&&(r=this.readEG(),i=(a+r+256)%256),a=0===i?a:i},t.prototype.readSPS=function(){var t,e,r,a,i,n,o,s=0,l=0,d=0,u=0,h=this.readUByte.bind(this),f=this.readBits.bind(this),c=this.readUEG.bind(this),p=this.readBoolean.bind(this),v=this.skipBits.bind(this),g=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(h(),t=h(),f(5),v(3),h(),m(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var b=c();if(3===b&&v(1),m(),m(),v(1),p())for(n=3!==b?8:12,o=0;o<n;o++)p()&&y(o<6?16:64)}m();var E=c();if(0===E)c();else if(1===E)for(v(1),g(),g(),e=c(),o=0;o<e;o++)g();m(),v(1),r=c(),a=c(),i=f(1),0===i&&v(1),v(1),p()&&(s=c(),l=c(),d=c(),u=c());var R=[1,1];if(p()&&p()){switch(h()){case 1:R=[1,1];break;case 2:R=[12,11];break;case 3:R=[10,11];break;case 4:R=[16,11];break;case 5:R=[40,33];break;case 6:R=[24,11];break;case 7:R=[20,11];break;case 8:R=[32,11];break;case 9:R=[80,33];break;case 10:R=[18,11];break;case 11:R=[15,11];break;case 12:R=[64,33];break;case 13:R=[160,99];break;case 14:R=[4,3];break;case 15:R=[3,2];break;case 16:R=[2,1];break;case 255:R=[h()<<8|h(),h()<<8|h()]}}return{width:Math.ceil(16*(r+1)-2*s-2*l),height:(2-i)*(a+1)*16-(i?2:4)*(d+u),pixelRatio:R}},t.prototype.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},t}(),X=z,q=function(){function t(e,r,a,i){E(this,t),this.decryptdata=a,this.discardEPB=i,this.decrypter=new U(e,r)}return t.prototype.decryptBuffer=function(t,e){this.decrypter.decrypt(t,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,e)},t.prototype.decryptAacSample=function(t,e,r,a){var i=t[e].unit,n=i.subarray(16,i.length-i.length%16),o=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),s=this;this.decryptBuffer(o,function(n){n=new Uint8Array(n),i.set(n,16),a||s.decryptAacSamples(t,e+1,r)})},t.prototype.decryptAacSamples=function(t,e,r){for(;;e++){if(e>=t.length)return void r();if(!(t[e].unit.length<32)){var a=this.decrypter.isSync();if(this.decryptAacSample(t,e,r,a),!a)return}}},t.prototype.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,r=new Int8Array(e),a=0,i=32;i<=t.length-16;i+=160,a+=16)r.set(t.subarray(i,i+16),a);return r},t.prototype.getAvcDecryptedUnit=function(t,e){e=new Uint8Array(e);for(var r=0,a=32;a<=t.length-16;a+=160,r+=16)t.set(e.subarray(r,r+16),a);return t},t.prototype.decryptAvcSample=function(t,e,r,a,i,n){var o=this.discardEPB(i.data),s=this.getAvcEncryptedData(o),l=this;this.decryptBuffer(s.buffer,function(s){i.data=l.getAvcDecryptedUnit(o,s),n||l.decryptAvcSamples(t,e,r+1,a)})},t.prototype.decryptAvcSamples=function(t,e,r,a){for(;;e++,r=0){if(e>=t.length)return void a();for(var i=t[e].units;!(r>=i.length);r++){var n=i[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var o=this.decrypter.isSync();if(this.decryptAvcSample(t,e,r,a,n,o),!o)return}}}},t}(),Q=q,J=function(){function t(e,r,a,i){R(this,t),this.observer=e,this.config=a,this.typeSupported=i,this.remuxer=r,this.sampleAes=null}return t.prototype.setDecryptData=function(t){null!=t&&null!=t.key&&"SAMPLE-AES"===t.method?this.sampleAes=new Q(this.observer,this.config,t,this.discardEPB):this.sampleAes=null},t.probe=function(e){var r=t._syncOffset(e);return!(r<0)&&(r&&M.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},t._syncOffset=function(t){for(var e=Math.min(1e3,t.length-564),r=0;r<e;){if(71===t[r]&&71===t[r+188]&&71===t[r+376])return r;r++}return-1},t.prototype.resetInitSegment=function(t,e,r,a){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack={container:"video/mp2t",type:"video",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0,dropped:0},this._audioTrack={container:"video/mp2t",type:"audio",id:-1,inputTimeScale:9e4,duration:a,sequenceNumber:0,samples:[],len:0,isAAC:!0},this._id3Track={type:"id3",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this._txtTrack={type:"text",id:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],len:0},this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=e,this.videoCodec=r,this._duration=a},t.prototype.resetTimeStamp=function(){},t.prototype.append=function(e,r,a,i){var n,o,s,l,d,u=e.length,h=!1;this.contiguous=a;var f=this.pmtParsed,c=this._avcTrack,p=this._audioTrack,v=this._id3Track,g=c.id,m=p.id,y=v.id,b=this._pmtId,E=c.pesData,R=p.pesData,A=v.pesData,T=this._parsePAT,S=this._parsePMT,_=this._parsePES,L=this._parseAVCPES.bind(this),w=this._parseAACPES.bind(this),x=this._parseMPEGPES.bind(this),I=this._parseID3PES.bind(this),k=t._syncOffset(e);for(u-=(u+k)%188,n=k;n<u;n+=188)if(71===e[n]){if(o=!!(64&e[n+1]),s=((31&e[n+1])<<8)+e[n+2],(48&e[n+3])>>4>1){if((l=n+5+e[n+4])===n+188)continue}else l=n+4;switch(s){case g:o&&(E&&(d=_(E))&&L(d,!1),E={data:[],size:0}),E&&(E.data.push(e.subarray(l,n+188)),E.size+=n+188-l);break;case m:o&&(R&&(d=_(R))&&(p.isAAC?w(d):x(d)),R={data:[],size:0}),R&&(R.data.push(e.subarray(l,n+188)),R.size+=n+188-l);break;case y:o&&(A&&(d=_(A))&&I(d),A={data:[],size:0}),A&&(A.data.push(e.subarray(l,n+188)),A.size+=n+188-l);break;case 0:o&&(l+=e[l]+1),b=this._pmtId=T(e,l);break;case b:o&&(l+=e[l]+1);var P=S(e,l,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);g=P.avc,g>0&&(c.id=g),m=P.audio,m>0&&(p.id=m,p.isAAC=P.isAAC),y=P.id3,y>0&&(v.id=y),h&&!f&&(M.b.log("reparse from beginning"),h=!1,n=k-188),f=this.pmtParsed=!0;break;case 17:case 8191:break;default:h=!0}}else this.observer.trigger(D.a.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});E&&(d=_(E))?(L(d,!0),c.pesData=null):c.pesData=E,R&&(d=_(R))?(p.isAAC?w(d):x(d),p.pesData=null):(R&&R.size&&M.b.log("last AAC PES packet truncated,might overlap between fragments"),p.pesData=R),A&&(d=_(A))?(I(d),v.pesData=null):v.pesData=A,null==this.sampleAes?this.remuxer.remux(p,c,v,this._txtTrack,r,a,i):this.decryptAndRemux(p,c,v,this._txtTrack,r,a,i)},t.prototype.decryptAndRemux=function(t,e,r,a,i,n,o){if(t.samples&&t.isAAC){var s=this;this.sampleAes.decryptAacSamples(t.samples,0,function(){s.decryptAndRemuxAvc(t,e,r,a,i,n,o)})}else this.decryptAndRemuxAvc(t,e,r,a,i,n,o)},t.prototype.decryptAndRemuxAvc=function(t,e,r,a,i,n,o){if(e.samples){var s=this;this.sampleAes.decryptAvcSamples(e.samples,0,0,function(){s.remuxer.remux(t,e,r,a,i,n,o)})}else this.remuxer.remux(t,e,r,a,i,n,o)},t.prototype.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t.prototype._parsePAT=function(t,e){return(31&t[e+10])<<8|t[e+11]},t.prototype._parsePMT=function(t,e,r,a){var i,n,o,s,l={audio:-1,avc:-1,id3:-1,isAAC:!0};for(i=(15&t[e+1])<<8|t[e+2],n=e+3+i-4,o=(15&t[e+10])<<8|t[e+11],e+=12+o;e<n;){switch(s=(31&t[e+1])<<8|t[e+2],t[e]){case 207:if(!a){M.b.log("unkown stream type:"+t[e]);break}case 15:-1===l.audio&&(l.audio=s);break;case 21:-1===l.id3&&(l.id3=s);break;case 219:if(!a){M.b.log("unkown stream type:"+t[e]);break}case 27:-1===l.avc&&(l.avc=s);break;case 3:case 4:r?-1===l.audio&&(l.audio=s,l.isAAC=!1):M.b.log("MPEG audio found, not supported in this browser for now");break;case 36:M.b.warn("HEVC stream type found, not supported for now");break;default:M.b.log("unkown stream type:"+t[e])}e+=5+((15&t[e+3])<<8|t[e+4])}return l},t.prototype._parsePES=function(t){var e,r,a,i,n,o,s,l,d=0,u=t.data;if(!t||0===t.size)return null;for(;u[0].length<19&&u.length>1;){var h=new Uint8Array(u[0].length+u[1].length);h.set(u[0]),h.set(u[1],u[0].length),u[0]=h,u.splice(1,1)}if(e=u[0],1===(e[0]<<16)+(e[1]<<8)+e[2]){if((a=(e[4]<<8)+e[5])&&a>t.size-6)return null;r=e[7],192&r&&(o=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,o>4294967295&&(o-=8589934592),64&r?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,s>4294967295&&(s-=8589934592),o-s>54e5&&(M.b.warn(Math.round((o-s)/9e4)+"s delta between PTS and DTS, align them"),o=s)):s=o),i=e[8],l=i+9,t.size-=l,n=new Uint8Array(t.size);for(var f=0,c=u.length;f<c;f++){e=u[f];var p=e.byteLength;if(l){if(l>p){l-=p;continue}e=e.subarray(l),p-=l,l=0}n.set(e,d),d+=p}return a&&(a-=i+3),{data:n,pts:o,dts:s,len:a}}return null},t.prototype.pushAccesUnit=function(t,e){if(t.units.length&&t.frame){var r=e.samples,a=r.length;!this.config.forceKeyFrameOnDiscontinuity||!0===t.key||e.sps&&(a||this.contiguous)?(t.id=a,r.push(t)):e.dropped++}t.debug.length&&M.b.log(t.pts+"/"+t.dts+":"+t.debug)},t.prototype._parseAVCPES=function(t,e){var r,a,i,n=this,o=this._avcTrack,s=this._parseAVCNALu(t.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),h=function(t,e,r,a){return{key:t,pts:e,dts:r,units:[],debug:a}};t.data=null,l&&s.length&&!o.audFound&&(u(l,o),l=this.avcSample=h(!1,t.pts,t.dts,"")),s.forEach(function(e){switch(e.type){case 1:a=!0,l||(l=n.avcSample=h(!0,t.pts,t.dts,"")),l.frame=!0;var s=e.data;if(d&&s.length>4){var f=new X(s).readSliceType();2!==f&&4!==f&&7!==f&&9!==f||(l.key=!0)}break;case 5:a=!0,l||(l=n.avcSample=h(!0,t.pts,t.dts,"")),l.key=!0,l.frame=!0;break;case 6:a=!0,r=new X(n.discardEPB(e.data)),r.readUByte();for(var c=0,p=0,v=!1,g=0;!v&&r.bytesAvailable>1;){c=0;do{g=r.readUByte(),c+=g}while(255===g);p=0;do{g=r.readUByte(),p+=g}while(255===g);if(4===c&&0!==r.bytesAvailable){v=!0;if(181===r.readUByte()){if(49===r.readUShort()){if(1195456820===r.readUInt()){if(3===r.readUByte()){var m=r.readUByte(),y=r.readUByte(),b=31&m,E=[m,y];for(i=0;i<b;i++)E.push(r.readUByte()),E.push(r.readUByte()),E.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:t.pts,bytes:E})}}}}}else if(p<r.bytesAvailable)for(i=0;i<p;i++)r.readUByte()}break;case 7:if(a=!0,d=!0,!o.sps){r=new X(e.data);var R=r.readSPS();o.width=R.width,o.height=R.height,o.pixelRatio=R.pixelRatio,o.sps=[e.data],o.duration=n._duration;var A=e.data.subarray(1,4),T="avc1.";for(i=0;i<3;i++){var S=A[i].toString(16);S.length<2&&(S="0"+S),T+=S}o.codec=T}break;case 8:a=!0,o.pps||(o.pps=[e.data]);break;case 9:a=!1,o.audFound=!0,l&&u(l,o),l=n.avcSample=h(!1,t.pts,t.dts,"");break;case 12:a=!1;break;default:a=!1,l&&(l.debug+="unknown NAL "+e.type+" ")}if(l&&a){l.units.push(e)}}),e&&l&&(u(l,o),this.avcSample=null)},t.prototype._insertSampleInOrder=function(t,e){var r=t.length;if(r>0){if(e.pts>=t[r-1].pts)t.push(e);else for(var a=r-1;a>=0;a--)if(e.pts<t[a].pts){t.splice(a,0,e);break}}else t.push(e)},t.prototype._getLastNalUnit=function(){var t=this.avcSample,e=void 0;if(!t||0===t.units.length){var r=this._avcTrack,a=r.samples;t=a[a.length-1]}if(t){var i=t.units;e=i[i.length-1]}return e},t.prototype._parseAVCNALu=function(t){var e,r,a,i,n,o=0,s=t.byteLength,l=this._avcTrack,d=l.naluState||0,u=d,h=[],f=-1;for(-1===d&&(f=0,n=31&t[0],d=0,o=1);o<s;)if(e=t[o++],d)if(1!==d)if(e)if(1===e){if(f>=0)a={data:t.subarray(f,o-d-1),type:n},h.push(a);else{var c=this._getLastNalUnit();if(c&&(u&&o<=4-u&&c.state&&(c.data=c.data.subarray(0,c.data.byteLength-u)),(r=o-d-1)>0)){var p=new Uint8Array(c.data.byteLength+r);p.set(c.data,0),p.set(t.subarray(0,r),c.data.byteLength),c.data=p}}o<s?(i=31&t[o],f=o,n=i,d=0):d=-1}else d=0;else d=3;else d=e?0:2;else d=e?0:1;if(f>=0&&d>=0&&(a={data:t.subarray(f,s),type:n,state:d},h.push(a)),0===h.length){var v=this._getLastNalUnit();if(v){var g=new Uint8Array(v.data.byteLength+t.byteLength);g.set(v.data,0),g.set(t,v.data.byteLength),v.data=g}}return l.naluState=d,h},t.prototype.discardEPB=function(t){for(var e,r,a=t.byteLength,i=[],n=1;n<a-2;)0===t[n]&&0===t[n+1]&&3===t[n+2]?(i.push(n+2),n+=2):n++;if(0===i.length)return t;e=a-i.length,r=new Uint8Array(e);var o=0;for(n=0;n<e;o++,n++)o===i[0]&&(o++,i.shift()),r[n]=t[o];return r},t.prototype._parseAACPES=function(t){var e,r,a,i,n,o=this._audioTrack,s=t.data,l=t.pts,d=this.aacOverFlow,u=this.aacLastPTS;if(d){var f=new Uint8Array(d.byteLength+s.byteLength);f.set(d,0),f.set(s,d.byteLength),s=f}for(a=0,n=s.length;a<n-1&&!h(s,a);a++);if(a){var v,m;if(a<n-1?(v="AAC PES did not start with ADTS header,offset:"+a,m=!1):(v="no ADTS header found in AAC PES",m=!0),M.b.warn("parsing error:"+v),this.observer.trigger(D.a.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_PARSING_ERROR,fatal:m,reason:v}),m)return}if(c(o,this.observer,s,a,this.audioCodec),r=0,e=p(o.samplerate),d&&u){var y=u+e;Math.abs(y-l)>1&&(M.b.log("AAC: align PTS for overlapping frames by "+Math.round((y-l)/90)),l=y)}for(;a<n;)if(h(s,a)&&a+5<n){var b=g(o,s,a,l,r);if(!b)break;a+=b.length,i=b.sample.pts,r++}else a++;d=a<n?s.subarray(a,n):null,this.aacOverFlow=d,this.aacLastPTS=i},t.prototype._parseMPEGPES=function(t){for(var e=t.data,r=e.length,a=0,i=0,n=t.pts;i<r;)if(Y.isHeader(e,i)){var o=Y.appendFrame(this._audioTrack,e,i,n,a);if(!o)break;i+=o.length,a++}else i++},t.prototype._parseID3PES=function(t){this._id3Track.samples.push(t)},t}(),Z=J,$=function(){function t(e,r,a){A(this,t),this.observer=e,this.config=a,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,a){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:e,duration:a,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){var e,r,a=B.a.getID3Data(t,0);if(a&&void 0!==B.a.getTimeStamp(a))for(e=a.length,r=Math.min(t.length-1,e+100);e<r;e++)if(Y.probe(t,e))return M.b.log("MPEG Audio sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,a){for(var i=B.a.getID3Data(t,0),n=90*B.a.getTimeStamp(i),o=i.length,s=t.length,l=0,d=0,u=this._audioTrack,h=[{pts:n,dts:n,data:i}];o<s;)if(Y.isHeader(t,o)){var f=Y.appendFrame(u,t,o,n,l);if(!f)break;o+=f.length,d=f.sample.pts,l++}else B.a.isHeader(t,o)?(i=B.a.getID3Data(t,o),h.push({pts:d,dts:d,data:i}),o+=i.length):o++;this.remuxer.remux(u,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},e,r,a)},t.prototype.destroy=function(){},t}(),tt=$,et=function(){function t(){T(this,t)}return t.getSilentFrame=function(t,e){switch(t){case"mp4a.40.2":if(1===e)return new Uint8Array([0,200,0,128,35,128]);if(2===e)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===e)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===e)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===e)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},t}(),rt=et,at=Math.pow(2,32)-1,it=function(){function t(){S(this,t)}return t.init=function(){t.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};var e;for(e in t.types)t.types.hasOwnProperty(e)&&(t.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),a=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);t.HDLR_TYPES={video:r,audio:a};var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);t.STTS=t.STSC=t.STCO=n,t.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),t.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),t.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),t.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var o=new Uint8Array([105,115,111,109]),s=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);t.FTYP=t.box(t.types.ftyp,o,l,o,s),t.DINF=t.box(t.types.dinf,t.box(t.types.dref,i))},t.box=function(t){for(var e,r=Array.prototype.slice.call(arguments,1),a=8,i=r.length,n=i;i--;)a+=r[i].byteLength;for(e=new Uint8Array(a),e[0]=a>>24&255,e[1]=a>>16&255,e[2]=a>>8&255,e[3]=255&a,e.set(t,4),i=0,a=8;i<n;i++)e.set(r[i],a),a+=r[i].byteLength;return e},t.hdlr=function(e){return t.box(t.types.hdlr,t.HDLR_TYPES[e])},t.mdat=function(e){return t.box(t.types.mdat,e)},t.mdhd=function(e,r){r*=e;var a=Math.floor(r/(at+1)),i=Math.floor(r%(at+1));return t.box(t.types.mdhd,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,a>>24,a>>16&255,a>>8&255,255&a,i>>24,i>>16&255,i>>8&255,255&i,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255,e>>8&255,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,a){return t.box(t.types.moof,t.mfhd(e),t.traf(a,r))},t.moov=function(e){for(var r=e.length,a=[];r--;)a[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(a).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,a=[];r--;)a[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(a))},t.mvhd=function(e,r){r*=e;var a=Math.floor(r/(at+1)),i=Math.floor(r%(at+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255,e>>16&255,e>>8&255,255&e,a>>24,a>>16&255,a>>8&255,255&a,i>>24,i>>16&255,i>>8&255,255&i,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,n)},t.sdtp=function(e){var r,a,i=e.samples||[],n=new Uint8Array(4+i.length);for(a=0;a<i.length;a++)r=i[a].flags,n[a+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return t.box(t.types.sdtp,n)},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 r,a,i,n=[],o=[];for(r=0;r<e.sps.length;r++)a=e.sps[r],i=a.byteLength,n.push(i>>>8&255),n.push(255&i),n=n.concat(Array.prototype.slice.call(a));for(r=0;r<e.pps.length;r++)a=e.pps[r],i=a.byteLength,o.push(i>>>8&255),o.push(255&i),o=o.concat(Array.prototype.slice.call(a));var s=t.box(t.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|e.sps.length].concat(n).concat([e.pps.length]).concat(o))),l=e.width,d=e.height,u=e.pixelRatio[0],h=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,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([u>>24,u>>16&255,u>>8&255,255&u,h>>24,h>>16&255,h>>8&255,255&h])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,a=e.duration*e.timescale,i=e.width,n=e.height,o=Math.floor(a/(at+1)),s=Math.floor(a%(at+1));return t.box(t.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,s>>24,s>>16&255,s>>8&255,255&s,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,i>>8&255,255&i,0,0,n>>8&255,255&n,0,0]))},t.traf=function(e,r){var a=t.sdtp(e),i=e.id,n=Math.floor(r/(at+1)),o=Math.floor(r%(at+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,o>>24,o>>16&255,o>>8&255,255&o])),t.trun(e,a.length+16+20+8+16+8+8),a)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,r){var a,i,n,o,s,l,d=e.samples||[],u=d.length,h=12+16*u,f=new Uint8Array(h);for(r+=8+h,f.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),a=0;a<u;a++)i=d[a],n=i.duration,o=i.size,s=i.flags,l=i.cts,f.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,o>>>24&255,o>>>16&255,o>>>8&255,255&o,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.paddingValue<<1|s.isNonSync,61440&s.degradPrio,15&s.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*a);return t.box(t.types.trun,f)},t.initSegment=function(e){t.types||t.init();var r,a=t.moov(e);return r=new Uint8Array(t.FTYP.byteLength+a.byteLength),r.set(t.FTYP),r.set(a,t.FTYP.byteLength),r},t}(),nt=it,ot=function(){function t(e,r,a,i){_(this,t),this.observer=e,this.config=r,this.typeSupported=a;var n=navigator.userAgent;this.isSafari=i&&i.indexOf("Apple")>-1&&n&&!n.match("CriOS"),this.ISGenerated=!1}return t.prototype.destroy=function(){},t.prototype.resetTimeStamp=function(t){this._initPTS=this._initDTS=t},t.prototype.resetInitSegment=function(){this.ISGenerated=!1},t.prototype.remux=function(t,e,r,a,i,n,o){if(this.ISGenerated||this.generateIS(t,e,i),this.ISGenerated){var s=t.samples.length,l=e.samples.length,d=i,u=i;if(s&&l){var h=(t.samples[0].dts-e.samples[0].dts)/e.inputTimeScale;d+=Math.max(0,h),u+=Math.max(0,-h)}if(s){t.timescale||(M.b.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,i));var f=this.remuxAudio(t,d,n,o);if(l){var c=void 0;f&&(c=f.endPTS-f.startPTS),e.timescale||(M.b.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,i)),this.remuxVideo(e,u,n,c,o)}}else{var p=void 0;l&&(p=this.remuxVideo(e,u,n,o)),p&&t.codec&&this.remuxEmptyAudio(t,d,n,p)}}r.samples.length&&this.remuxID3(r,i),a.samples.length&&this.remuxText(a,i),this.observer.trigger(D.a.FRAG_PARSED)},t.prototype.generateIS=function(t,e,r){var a,i,n=this.observer,o=t.samples,s=e.samples,l=this.typeSupported,d="audio/mp4",u={},h={tracks:u},f=void 0===this._initPTS;if(f&&(a=i=1/0),t.config&&o.length&&(t.timescale=t.samplerate,M.b.log("audio sampling rate : "+t.samplerate),t.isAAC||(l.mpeg?(d="audio/mpeg",t.codec=""):l.mp3&&(t.codec="mp3")),u.audio={container:d,codec:t.codec,initSegment:!t.isAAC&&l.mpeg?new Uint8Array:nt.initSegment([t]),metadata:{channelCount:t.channelCount}},f&&(a=i=o[0].pts-t.inputTimeScale*r)),e.sps&&e.pps&&s.length){var c=e.inputTimeScale;e.timescale=c,u.video={container:"video/mp4",codec:e.codec,initSegment:nt.initSegment([e]),metadata:{width:e.width,height:e.height}},f&&(a=Math.min(a,s[0].pts-c*r),i=Math.min(i,s[0].dts-c*r),this.observer.trigger(D.a.INIT_PTS_FOUND,{initPTS:a}))}Object.keys(u).length?(n.trigger(D.a.FRAG_PARSING_INIT_SEGMENT,h),this.ISGenerated=!0,f&&(this._initPTS=a,this._initDTS=i)):n.trigger(D.a.ERROR,{type:O.b.MEDIA_ERROR,details:O.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.prototype.remuxVideo=function(t,e,r,a,i){var n,o,s,l,d,u,h,f=8,c=t.timescale,p=t.samples,v=[],g=p.length,m=this._PTSNormalize,y=this._initDTS,b=this.nextAvcDts,E=this.isSafari;E&&(r|=p.length&&b&&(i&&Math.abs(e-b/c)<.1||Math.abs(p[0].pts-b-y)<c/5)),r||(b=e*c),p.forEach(function(t){t.pts=m(t.pts-y,b),t.dts=m(t.dts-y,b)}),p.sort(function(t,e){var r=t.dts-e.dts,a=t.pts-e.pts;return r||(a||t.id-e.id)});var R=p.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(R<0){M.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(R/90)+" ms to overcome this issue");for(var A=0;A<p.length;A++)p[A].dts+=R}var T=p[0];d=Math.max(T.dts,0),l=Math.max(T.pts,0);var S=Math.round((d-b)/90);r&&S&&(S>1?M.b.log("AVC:"+S+" ms hole between fragments detected,filling it"):S<-1&&M.b.log("AVC:"+-S+" ms overlapping between fragments detected"),d=b,p[0].dts=d,l=Math.max(l-S,b),p[0].pts=l,M.b.log("Video/PTS/DTS adjusted: "+Math.round(l/90)+"/"+Math.round(d/90)+",delta:"+S+" ms")),T=p[p.length-1],h=Math.max(T.dts,0),u=Math.max(T.pts,0,h),E&&(n=Math.round((h-d)/(p.length-1)));for(var _=0,L=0,w=0;w<g;w++){for(var x=p[w],I=x.units,k=I.length,P=0,C=0;C<k;C++)P+=I[C].data.length;L+=P,_+=k,x.length=P,x.dts=E?d+w*n:Math.max(x.dts,d),x.pts=Math.max(x.pts,x.dts)}var F=L+4*_+8;try{o=new Uint8Array(F)}catch(t){return void this.observer.trigger(D.a.ERROR,{type:O.b.MUX_ERROR,details:O.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:F,reason:"fail allocating video mdat "+F})}var N=new DataView(o.buffer);N.setUint32(0,F),o.set(nt.types.mdat,4);for(var U=0;U<g;U++){for(var B=p[U],G=B.units,H=0,j=void 0,V=0,W=G.length;V<W;V++){var K=G[V],Y=K.data,z=K.data.byteLength;N.setUint32(f,z),f+=4,o.set(Y,f),f+=z,H+=4+z}if(E)j=Math.max(0,n*Math.round((B.pts-B.dts)/n));else{if(U<g-1)n=p[U+1].dts-B.dts;else{var X=this.config,q=B.dts-p[U>0?U-1:U].dts;if(X.stretchShortVideoTrack){var Q=X.maxBufferHole,J=X.maxSeekHole,Z=Math.floor(Math.min(Q,J)*c),$=(a?l+a*c:this.nextAudioPts)-B.pts;$>Z?(n=$-q,n<0&&(n=q),M.b.log("It is approximately "+$/90+" ms to the next segment; using duration "+n/90+" ms for the last video frame.")):n=q}else n=q}j=Math.round(B.pts-B.dts)}v.push({size:H,duration:n,cts:j,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:B.key?2:1,isNonSync:B.key?0:1}})}this.nextAvcDts=h+n;var tt=t.dropped;if(t.len=0,t.nbNalu=0,t.dropped=0,v.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var et=v[0].flags;et.dependsOn=2,et.isNonSync=0}t.samples=v,s=nt.moof(t.sequenceNumber++,d,t),t.samples=[];var rt={data1:s,data2:o,startPTS:l/c,endPTS:(u+n)/c,startDTS:d/c,endDTS:this.nextAvcDts/c,type:"video",nb:v.length,dropped:tt};return this.observer.trigger(D.a.FRAG_PARSING_DATA,rt),rt},t.prototype.remuxAudio=function(t,e,r,a){var i,n,o,s,l,d,u,h=t.inputTimeScale,f=t.timescale,c=h/f,p=t.isAAC?1024:1152,v=p*c,g=this._PTSNormalize,m=this._initDTS,y=!t.isAAC&&this.typeSupported.mpeg,b=t.samples,E=[],R=this.nextAudioPts;if(r|=b.length&&R&&(a&&Math.abs(e-R/h)<.1||Math.abs(b[0].pts-R-m)<20*v),r||(R=e*h),b.forEach(function(t){t.pts=t.dts=g(t.pts-m,R)}),b.sort(function(t,e){return t.pts-e.pts}),a&&t.isAAC)for(var A=this.config.maxAudioFramesDrift,T=0,S=R;T<b.length;){var _,L=b[T],w=L.pts;_=w-S;var x=Math.abs(1e3*_/h);if(_<=-A*v)M.b.warn("Dropping 1 audio frame @ "+(S/h).toFixed(3)+"s due to "+Math.round(x)+" ms overlap."),b.splice(T,1),t.len-=L.unit.length;else if(_>=A*v&&x<1e4&&S){var I=Math.round(_/v);M.b.warn("Injecting "+I+" audio frame @ "+(S/h).toFixed(3)+"s due to "+Math.round(1e3*_/h)+" ms gap.");for(var k=0;k<I;k++){var P=Math.max(S,0);o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(M.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=L.unit.subarray()),b.splice(T,0,{unit:o,pts:P,dts:P}),t.len+=o.length,S+=v,T++}L.pts=L.dts=S,S+=v,T++}else Math.abs(_),L.pts=L.dts=S,S+=v,T++}for(var C=0,F=b.length;C<F;C++){var N=b[C],U=N.unit,B=N.pts;if(void 0!==u)n.duration=Math.round((B-u)/c);else{var G=Math.round(1e3*(B-R)/h),H=0;if(r&&t.isAAC&&G){if(G>0&&G<1e4)H=Math.round((B-R)/v),M.b.log(G+" ms hole between AAC samples detected,filling it"),H>0&&(o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(o=U.subarray()),t.len+=H*o.length);else if(G<-12){M.b.log("drop overlapping AAC sample, expected/parsed/delta:"+(R/h).toFixed(3)+"s/"+(B/h).toFixed(3)+"s/"+-G+"ms"),t.len-=U.byteLength;continue}B=R}if(d=Math.max(0,B),!(t.len>0))return;var j=y?t.len:t.len+8;i=y?0:8;try{s=new Uint8Array(j)}catch(t){return void this.observer.trigger(D.a.ERROR,{type:O.b.MUX_ERROR,details:O.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:j,reason:"fail allocating audio mdat "+j})}if(!y){new DataView(s.buffer).setUint32(0,j),s.set(nt.types.mdat,4)}for(var V=0;V<H;V++)o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(M.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),o=U.subarray()),s.set(o,i),i+=o.byteLength,n={size:o.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},E.push(n)}s.set(U,i);var W=U.byteLength;i+=W,n={size:W,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},E.push(n),u=B}var K=0,Y=E.length;if(Y>=2&&(K=E[Y-2].duration,n.duration=K),Y){this.nextAudioPts=R=u+c*K,t.len=0,t.samples=E,l=y?new Uint8Array:nt.moof(t.sequenceNumber++,d/c,t),t.samples=[];var z=d/h,X=R/h,q={data1:l,data2:s,startPTS:z,endPTS:X,startDTS:z,endDTS:X,type:"audio",nb:Y};return this.observer.trigger(D.a.FRAG_PARSING_DATA,q),q}return null},t.prototype.remuxEmptyAudio=function(t,e,r,a){var 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u="audioTrack"!==o&&"subtitleTrack"!==o,h=isNaN(l)?isNaN(s)?0:s:l,f=this.parseLevelPlaylist(i,n,h,"audioTrack"===o?"audio":"subtitleTrack"===o?"subtitle":"main");f.tload=e.tload,"manifest"===o&&d.trigger($.a.MANIFEST_LOADED,{levels:[{url:n,details:f}],audioTracks:[],url:n,stats:e,networkDetails:a}),e.tparsed=performance.now(),f.targetduration?u?d.trigger($.a.LEVEL_LOADED,{details:f,level:l||0,id:s||0,stats:e,networkDetails:a}):"audioTrack"===o?d.trigger($.a.AUDIO_TRACK_LOADED,{details:f,id:s,stats:e,networkDetails:a}):"subtitleTrack"===o&&d.trigger($.a.SUBTITLE_TRACK_LOADED,{details:f,id:s,stats:e,networkDetails:a}):d.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"invalid targetduration",networkDetails:a})}else{var c=this.parseMasterPlaylist(i,n);if(c.length){var p=this.parseMasterPlaylistMedia(i,n,"AUDIO",c[0].audioCodec),v=this.parseMasterPlaylistMedia(i,n,"SUBTITLES");if(p.length){var g=!1;p.forEach(function(t){t.url||(g=!0)}),!1===g&&c[0].audioCodec&&!c[0].attrs.AUDIO&&(et.b.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),p.unshift({type:"main",name:"main"}))}d.trigger($.a.MANIFEST_LOADED,{levels:c,audioTracks:p,subtitles:v,url:n,stats:e,networkDetails:a})}else d.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"no level found in manifest",networkDetails:a})}else d.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.MANIFEST_PARSING_ERROR,fatal:!0,url:n,reason:"no EXTM3U delimiter",networkDetails:a})},e.prototype.loaderror=function(t,e){var r,a,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,n=e.loader;switch(e.type){case"manifest":r=tt.a.MANIFEST_LOAD_ERROR,a=!0;break;case"level":r=tt.a.LEVEL_LOAD_ERROR,a=!1;break;case"audioTrack":r=tt.a.AUDIO_TRACK_LOAD_ERROR,a=!1}n&&(n.abort(),this.loaders[e.type]=void 0),this.hls.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:r,fatal:a,url:n.url,loader:n,response:t,context:e,networkDetails:i})},e.prototype.loadtimeout=function(t,e){var r,a,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,n=e.loader;switch(e.type){case"manifest":r=tt.a.MANIFEST_LOAD_TIMEOUT,a=!0;break;case"level":r=tt.a.LEVEL_LOAD_TIMEOUT,a=!1;break;case"audioTrack":r=tt.a.AUDIO_TRACK_LOAD_TIMEOUT,a=!1}n&&(n.abort(),this.loaders[e.type]=void 0),this.hls.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:r,fatal:a,url:n.url,loader:n,context:e,networkDetails:i})},e}(it),yt=mt,bt=function(t){function e(r){u(this,e);var a=h(this,t.call(this,r,$.a.FRAG_LOADING));return a.loaders={},a}return f(e,t),e.prototype.destroy=function(){var t=this.loaders;for(var e in t){var r=t[e];r&&r.destroy()}this.loaders={},it.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag,r=e.type,a=this.loaders[r],i=this.hls.config;e.loaded=0,a&&(et.b.warn("abort previous 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0,this.hls.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.FRAG_LOAD_ERROR,fatal:!1,frag:e.frag,response:t,networkDetails:r})},e.prototype.loadtimeout=function(t,e){var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,a=e.loader;a&&a.abort(),this.loaders[e.type]=void 0,this.hls.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:e.frag,networkDetails:r})},e.prototype.loadprogress=function(t,e,r){var a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,i=e.frag;i.loaded=t.loaded,this.hls.trigger($.a.FRAG_LOAD_PROGRESS,{frag:i,stats:t,networkDetails:a})},e}(it),Et=bt,Rt=function(t){function e(r){c(this,e);var a=p(this,t.call(this,r,$.a.KEY_LOADING));return a.loaders={},a.decryptkey=null,a.decrypturl=null,a}return v(e,t),e.prototype.destroy=function(){for(var t in this.loaders){var e=this.loaders[t];e&&e.destroy()}this.loaders={},it.prototype.destroy.call(this)},e.prototype.onKeyLoading=function(t){var e=t.frag,r=e.type,a=this.loaders[r],i=e.decryptdata,n=i.uri;if(n!==this.decrypturl||null===this.decryptkey){var o=this.hls.config;a&&(et.b.warn("abort previous key loader for type:"+r),a.abort()),e.loader=this.loaders[r]=new o.loader(o),this.decrypturl=n,this.decryptkey=null;var s=void 0,l=void 0,d=void 0;s={url:n,frag:e,responseType:"arraybuffer"},l={timeout:o.fragLoadingTimeOut,maxRetry:o.fragLoadingMaxRetry,retryDelay:o.fragLoadingRetryDelay,maxRetryDelay:o.fragLoadingMaxRetryTimeout},d={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)},e.loader.load(s,l,d)}else this.decryptkey&&(i.key=this.decryptkey,this.hls.trigger($.a.KEY_LOADED,{frag:e}))},e.prototype.loadsuccess=function(t,e,r){var a=r.frag;this.decryptkey=a.decryptdata.key=new Uint8Array(t.data),a.loader=void 0,this.loaders[a.type]=void 0,this.hls.trigger($.a.KEY_LOADED,{frag:a})},e.prototype.loaderror=function(t,e){var r=e.frag,a=r.loader;a&&a.abort(),this.loaders[e.type]=void 0,this.hls.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:t})},e.prototype.loadtimeout=function(t,e){var r=e.frag,a=r.loader;a&&a.abort(),this.loaders[e.type]=void 0,this.hls.trigger($.a.ERROR,{type:tt.b.NETWORK_ERROR,details:tt.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},e}(it),At=Rt,Tt={search:function(t,e){for(var r=0,a=t.length-1,i=null,n=null;r<=a;){i=(r+a)/2|0,n=t[i];var o=e(n);if(o>0)r=i+1;else{if(!(o<0))return n;a=i-1}}return null}},St=Tt,_t={isBuffered:function(t,e){if(t)for(var r=t.buffered,a=0;a<r.length;a++)if(e>=r.start(a)&&e<=r.end(a))return!0;return!1},bufferInfo:function(t,e,r){if(t){var a,i=t.buffered,n=[];for(a=0;a<i.length;a++)n.push({start:i.start(a),end:i.end(a)});return this.bufferedInfo(n,e,r)}return{len:0,start:e,end:e,nextStart:void 0}},bufferedInfo:function(t,e,r){var a,i,n,o,s,l=[];for(t.sort(function(t,e){var r=t.start-e.start;return 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n=function(t,r){r=r||{},r.frag=this.frag,r.id=this.id,e.trigger(t,r)}.bind(this);a.on($.a.FRAG_DECRYPTED,n),a.on($.a.FRAG_PARSING_INIT_SEGMENT,n),a.on($.a.FRAG_PARSING_DATA,n),a.on($.a.FRAG_PARSED,n),a.on($.a.ERROR,n),a.on($.a.FRAG_PARSING_METADATA,n),a.on($.a.FRAG_PARSING_USERDATA,n),a.on($.a.INIT_PTS_FOUND,n);var o={mp4:kt.isTypeSupported("video/mp4"),mpeg:kt.isTypeSupported("audio/mpeg"),mp3:kt.isTypeSupported('audio/mp4; codecs="mp3"')},s=navigator.vendor;if(i.enableWorker&&"undefined"!=typeof Worker){et.b.log("demuxing in webworker");var l=void 0;try{l=this.w=It()(10),this.onwmsg=this.onWorkerMessage.bind(this),l.addEventListener("message",this.onwmsg),l.onerror=function(t){e.trigger($.a.ERROR,{type:tt.b.OTHER_ERROR,details:tt.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},l.postMessage({cmd:"init",typeSupported:o,vendor:s,id:r,config:JSON.stringify(i)})}catch(t){et.b.error("error while initializing DemuxerWorker, fallback on DemuxerInline"),l&&URL.revokeObjectURL(l.objectURL),this.demuxer=new wt.a(a,o,i,s),this.w=void 0}}else this.demuxer=new wt.a(a,o,i,s)}return t.prototype.destroy=function(){var t=this.w;if(t)t.removeEventListener("message",this.onwmsg),t.terminate(),this.w=null;else{var e=this.demuxer;e&&(e.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.prototype.push=function(t,e,r,a,i,n,o,s){var l=this.w,d=isNaN(i.startDTS)?i.start:i.startDTS,u=i.decryptdata,h=this.frag,f=!(h&&i.cc===h.cc),c=!(h&&i.level===h.level),p=h&&i.sn===h.sn+1,v=!c&&p;if(f&&et.b.log(this.id+":discontinuity detected"),c&&et.b.log(this.id+":switch detected"),this.frag=i,l)l.postMessage({cmd:"demux",data:t,decryptdata:u,initSegment:e,audioCodec:r,videoCodec:a,timeOffset:d,discontinuity:f,trackSwitch:c,contiguous:v,duration:n,accurateTimeOffset:o,defaultInitPTS:s},t instanceof ArrayBuffer?[t]:[]);else{var g=this.demuxer;g&&g.push(t,u,e,r,a,d,f,c,v,n,o,s)}},t.prototype.onWorkerMessage=function(t){var e=t.data,r=this.hls;switch(e.event){case"init":URL.revokeObjectURL(this.w.objectURL);break;case $.a.FRAG_PARSING_DATA:e.data.data1=new Uint8Array(e.data1),e.data2&&(e.data.data2=new Uint8Array(e.data2));default:e.data=e.data||{},e.data.frag=this.frag,e.data.id=this.id,r.trigger(e.event,e.data)}},t}(),Ct=Pt,Ft={toString:function(t){for(var e="",r=t.length,a=0;a<r;a++)e+="["+t.start(a).toFixed(3)+","+t.end(a).toFixed(3)+"]";return e}},Mt=Ft,Nt=function(){function t(t,e){for(var r=0;r<e.length;r++){var a=e[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(t,a.key,a)}}return function(e,r,a){return r&&t(e.prototype,r),a&&t(e,a),e}}(),Ut={STOPPED:"STOPPED",IDLE:"IDLE",KEY_LOADING:"KEY_LOADING",FRAG_LOADING:"FRAG_LOADING",FRAG_LOADING_WAITING_RETRY:"FRAG_LOADING_WAITING_RETRY",WAITING_LEVEL:"WAITING_LEVEL",PARSING:"PARSING",PARSED:"PARSED",BUFFER_FLUSHING:"BUFFER_FLUSHING",ENDED:"ENDED",ERROR:"ERROR"},Bt=function(t){function e(r){L(this,e);var a=w(this,t.call(this,r,$.a.MEDIA_ATTACHED,$.a.MEDIA_DETACHING,$.a.MANIFEST_LOADING,$.a.MANIFEST_PARSED,$.a.LEVEL_LOADED,$.a.KEY_LOADED,$.a.FRAG_LOADED,$.a.FRAG_LOAD_EMERGENCY_ABORTED,$.a.FRAG_PARSING_INIT_SEGMENT,$.a.FRAG_PARSING_DATA,$.a.FRAG_PARSED,$.a.ERROR,$.a.AUDIO_TRACK_SWITCHING,$.a.AUDIO_TRACK_SWITCHED,$.a.BUFFER_CREATED,$.a.BUFFER_APPENDED,$.a.BUFFER_FLUSHED));return a.config=r.config,a.audioCodecSwap=!1,a.ticks=0,a._state=Ut.STOPPED,a.ontick=a.tick.bind(a),a}return D(e,t),e.prototype.destroy=function(){this.stopLoad(),this.timer&&(clearInterval(this.timer),this.timer=null),it.prototype.destroy.call(this),this.state=Ut.STOPPED},e.prototype.startLoad=function(t){if(this.levels){var e=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.timer||(this.timer=setInterval(this.ontick,100)),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var a=r.startLevel;-1===a&&(a=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=a,this.loadedmetadata=!1}e>0&&-1===t&&(et.b.log("override startPosition with lastCurrentTime @"+e.toFixed(3)),t=e),this.state=Ut.IDLE,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=t,this.tick()}else this.forceStartLoad=!0,this.state=Ut.STOPPED},e.prototype.stopLoad=function(){var t=this.fragCurrent;t&&(t.loader&&t.loader.abort(),this.fragCurrent=null),this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=Ut.STOPPED,this.forceStartLoad=!1},e.prototype.tick=function(){1===++this.ticks&&(this.doTick(),this.ticks>1&&setTimeout(this.tick,1),this.ticks=0)},e.prototype.doTick=function(){switch(this.state){case Ut.ERROR:break;case Ut.BUFFER_FLUSHING:this.fragLoadError=0;break;case Ut.IDLE:this._doTickIdle();break;case Ut.WAITING_LEVEL:var t=this.levels[this.level];t&&t.details&&(this.state=Ut.IDLE);break;case Ut.FRAG_LOADING_WAITING_RETRY:var e=performance.now(),r=this.retryDate;(!r||e>=r||this.media&&this.media.seeking)&&(et.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=Ut.IDLE);break;case Ut.ERROR:case Ut.STOPPED:case Ut.FRAG_LOADING:case Ut.PARSING:case Ut.PARSED:case Ut.ENDED:}this._checkBuffer(),this._checkFragmentChanged()},e.prototype._doTickIdle=function(){var t=this.hls,e=t.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&e.startFragPrefetch)){var a=void 0;a=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var i=t.nextLoadLevel,n=this.levels[i];if(n){var o=n.bitrate,s=void 0;s=o?Math.max(8*e.maxBufferSize/o,e.maxBufferLength):e.maxBufferLength,s=Math.min(s,e.maxMaxBufferLength);var l=Lt.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,a,e.maxBufferHole),d=l.len;if(!(d>=s)){et.b.trace("buffer length of "+d.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=t.nextLoadLevel=i;var u=n.details;if(void 0===u||u.live&&this.levelLastLoaded!==i)return void(this.state=Ut.WAITING_LEVEL);var h=this.fragPrevious;if(!u.live&&h&&!h.backtracked&&h.sn===u.endSN&&!l.nextStart){if(Math.min(r.duration,h.start+h.duration)-Math.max(l.end,h.start)<=Math.max(.2,h.duration)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger($.a.BUFFER_EOS,f),void(this.state=Ut.ENDED)}}this._fetchPayloadOrEos(a,l,u)}}}},e.prototype._fetchPayloadOrEos=function(t,e,r){var a=this.fragPrevious,i=this.level,n=r.fragments,o=n.length;if(0!==o){var s=n[0].start,l=n[o-1].start+n[o-1].duration,d=e.end,u=void 0;if(r.initSegment&&!r.initSegment.data)u=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(o<h)return void et.b.warn("Can not start playback of a level, reason: not enough fragments "+o+" < "+h);if(null===(u=this._ensureFragmentAtLivePoint(r,d,s,l,a,n,o)))return}else d<s&&(u=n[0]);u||(u=this._findFragment(s,a,o,n,d,l,r)),u&&this._loadFragmentOrKey(u,i,r,t,d)}},e.prototype._ensureFragmentAtLivePoint=function(t,e,r,a,i,n,o){var s=this.hls.config,l=this.media,d=void 0,u=void 0!==s.liveMaxLatencyDuration?s.liveMaxLatencyDuration:s.liveMaxLatencyDurationCount*t.targetduration;if(e<Math.max(r-s.maxFragLookUpTolerance,a-u)){var h=this.liveSyncPosition=this.computeLivePosition(r,t);et.b.log("buffer end: "+e.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),e=h,l&&l.readyState&&l.duration>h&&(l.currentTime=h),this.nextLoadPosition=h}if(t.PTSKnown&&e>a&&l&&l.readyState)return null;if(this.startFragRequested&&!t.PTSKnown){if(i){var f=i.sn+1;if(f>=t.startSN&&f<=t.endSN){var c=n[f-t.startSN];i.cc===c.cc&&(d=c,et.b.log("live playlist, switching playlist, load frag with next SN: "+d.sn))}d||(d=St.search(n,function(t){return i.cc-t.cc}))&&et.b.log("live playlist, switching playlist, load frag with same CC: "+d.sn)}d||(d=n[Math.min(o-1,Math.round(o/2))],et.b.log("live playlist, switching playlist, unknown, load middle frag : "+d.sn))}return d},e.prototype._findFragment=function(t,e,r,a,i,n,o){var s=this.hls.config,l=void 0,d=void 0,u=s.maxFragLookUpTolerance,h=e?a[e.sn-a[0].sn+1]:void 0,f=function(t){var e=Math.min(u,t.duration+(t.deltaPTS?t.deltaPTS:0));return t.start+t.duration-e<=i?1:t.start-e>i&&t.start?-1:0};if(i<n?(i>n-u&&(u=0),d=h&&!f(h)?h:St.search(a,f)):d=a[r-1],d){l=d;var c=l.sn-o.startSN,p=e&&l.level===e.level,v=a[c-1],g=a[c+1];if(e&&l.sn===e.sn)if(p&&!l.backtracked)if(l.sn<o.endSN){var m=e.deltaPTS;m&&m>s.maxBufferHole&&e.dropped&&c?(l=v,et.b.warn("SN just loaded, with large PTS gap between audio and video, maybe frag is not starting with a keyframe ? load previous one to try to overcome this"),e.loadCounter--):(l=g,et.b.log("SN just loaded, load next one: "+l.sn))}else l=null;else l.backtracked&&(g&&g.backtracked?(et.b.warn("Already backtracked from fragment "+g.sn+", will not backtrack to fragment "+l.sn+". Loading fragment "+g.sn),l=g):(et.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),l.dropped=0,v?(v.loadCounter&&v.loadCounter--,l=v,l.backtracked=!0):c&&(l=null)))}return l},e.prototype._loadFragmentOrKey=function(t,e,r,a,i){var n=this.hls,o=n.config;if(!t.decryptdata||null==t.decryptdata.uri||null!=t.decryptdata.key){if(et.b.log("Loading "+t.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+e+", currentTime:"+a.toFixed(3)+",bufferEnd:"+i.toFixed(3)),void 0!==this.fragLoadIdx?this.fragLoadIdx++:this.fragLoadIdx=0,t.loadCounter){t.loadCounter++;var s=o.fragLoadingLoopThreshold;if(t.loadCounter>s&&Math.abs(this.fragLoadIdx-t.loadIdx)<s)return void n.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.FRAG_LOOP_LOADING_ERROR,fatal:!1,frag:t})}else t.loadCounter=1;return t.loadIdx=this.fragLoadIdx,t.autoLevel=n.autoLevelEnabled,t.bitrateTest=this.bitrateTest,this.fragCurrent=t,this.startFragRequested=!0,isNaN(t.sn)||t.bitrateTest||(this.nextLoadPosition=t.start+t.duration),n.trigger($.a.FRAG_LOADING,{frag:t}),this.demuxer||(this.demuxer=new Ct(n,"main")),void(this.state=Ut.FRAG_LOADING)}et.b.log("Loading key for "+t.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+e),this.state=Ut.KEY_LOADING,n.trigger($.a.KEY_LOADING,{frag:t})},e.prototype.getBufferedFrag=function(t){return St.search(this._bufferedFrags,function(e){return t<e.startPTS?-1:t>e.endPTS?1:0})},e.prototype.followingBufferedFrag=function(t){return t?this.getBufferedFrag(t.endPTS+.5):null},e.prototype._checkFragmentChanged=function(){var t,e,r=this.media;if(r&&r.readyState&&!1===r.seeking&&(e=r.currentTime,e>r.playbackRate*this.lastCurrentTime&&(this.lastCurrentTime=e),Lt.isBuffered(r,e)?t=this.getBufferedFrag(e):Lt.isBuffered(r,e+.1)&&(t=this.getBufferedFrag(e+.1)),t)){var a=t;if(a!==this.fragPlaying){this.hls.trigger($.a.FRAG_CHANGED,{frag:a});var i=a.level;this.fragPlaying&&this.fragPlaying.level===i||this.hls.trigger($.a.LEVEL_SWITCHED,{level:i}),this.fragPlaying=a}}},e.prototype.immediateLevelSwitch=function(){if(et.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var t=this.media,e=void 0;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},e.prototype.immediateLevelSwitchEnd=function(){var t=this.media;t&&t.buffered.length&&(this.immediateSwitch=!1,Lt.isBuffered(t,t.currentTime)&&(t.currentTime-=1e-4),this.previouslyPaused||t.play())},e.prototype.nextLevelSwitch=function(){var t=this.media;if(t&&t.readyState){var e=void 0,r=void 0,a=void 0;if(void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),r=this.getBufferedFrag(t.currentTime),r&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),t.paused)e=0;else{var i=this.hls.nextLoadLevel,n=this.levels[i],o=this.fragLastKbps;e=o&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*o)+1:0}if((a=this.getBufferedFrag(t.currentTime+e))&&(a=this.followingBufferedFrag(a))){var s=this.fragCurrent;s&&s.loader&&s.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(a.maxStartPTS,Number.POSITIVE_INFINITY)}}},e.prototype.flushMainBuffer=function(t,e){this.state=Ut.BUFFER_FLUSHING;var r={startOffset:t,endOffset:e};this.altAudio&&(r.type="video"),this.hls.trigger($.a.BUFFER_FLUSHING,r)},e.prototype.onMediaAttached=function(t){var e=this.media=this.mediaBuffer=t.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),e.addEventListener("seeking",this.onvseeking),e.addEventListener("seeked",this.onvseeked),e.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition)},e.prototype.onMediaDetaching=function(){var t=this.media;t&&t.ended&&(et.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var e=this.levels;e&&e.forEach(function(t){t.details&&t.details.fragments.forEach(function(t){t.loadCounter=void 0,t.backtracked=void 0})}),t&&(t.removeEventListener("seeking",this.onvseeking),t.removeEventListener("seeked",this.onvseeked),t.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},e.prototype.onMediaSeeking=function(){var t=this.media,e=t?t.currentTime:void 0,r=this.config;isNaN(e)||et.b.log("media seeking to "+e.toFixed(3));var a=this.mediaBuffer?this.mediaBuffer:t,i=Lt.bufferInfo(a,e,this.config.maxBufferHole);if(this.state===Ut.FRAG_LOADING){var n=this.fragCurrent;if(0===i.len&&n){var o=r.maxFragLookUpTolerance,s=n.start-o,l=n.start+n.duration+o;e<s||e>l?(n.loader&&(et.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),n.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=Ut.IDLE):et.b.log("seeking outside of buffer but within currently loaded fragment range")}}else this.state===Ut.ENDED&&(0===i.len&&(this.fragPrevious=0),this.state=Ut.IDLE);t&&(this.lastCurrentTime=e),this.state!==Ut.FRAG_LOADING&&void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*r.fragLoadingLoopThreshold),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=e),this.tick()},e.prototype.onMediaSeeked=function(){var t=this.media,e=t?t.currentTime:void 0;isNaN(e)||et.b.log("media seeked to "+e.toFixed(3)),this.tick()},e.prototype.onMediaEnded=function(){et.b.log("media ended"),this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestLoading=function(){et.b.log("trigger BUFFER_RESET"),this.hls.trigger($.a.BUFFER_RESET),this._bufferedFrags=[],this.stalled=!1,this.startPosition=this.lastCurrentTime=0},e.prototype.onManifestParsed=function(t){var e,r=!1,a=!1;t.levels.forEach(function(t){(e=t.audioCodec)&&(-1!==e.indexOf("mp4a.40.2")&&(r=!0),-1!==e.indexOf("mp4a.40.5")&&(a=!0))}),this.audioCodecSwitch=r&&a,this.audioCodecSwitch&&et.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.levels=t.levels,this.startFragRequested=!1;var i=this.config;(i.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(i.startPosition)},e.prototype.onLevelLoaded=function(t){var e=t.details,r=t.level,a=this.levels[this.levelLastLoaded],i=this.levels[r],n=e.totalduration,o=0;if(et.b.log("level "+r+" loaded ["+e.startSN+","+e.endSN+"],duration:"+n),e.live){var s=i.details;s&&e.fragments.length>0?(E(s,e),o=e.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(o,s),e.PTSKnown&&!isNaN(o)?et.b.log("live playlist sliding:"+o.toFixed(3)):(et.b.log("live playlist - outdated PTS, unknown sliding"),_(this.fragPrevious,a,e))):(et.b.log("live playlist - first load, unknown sliding"),e.PTSKnown=!1,_(this.fragPrevious,a,e))}else e.PTSKnown=!1;if(i.details=e,this.levelLastLoaded=r,this.hls.trigger($.a.LEVEL_UPDATED,{details:e,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var l=e.startTimeOffset;isNaN(l)?e.live?(this.startPosition=this.computeLivePosition(o,e),et.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0:(l<0&&(et.b.log("negative start time offset "+l+", count from end of last fragment"),l=o+n+l),et.b.log("start time offset found in playlist, adjust startPosition to "+l),this.startPosition=l),this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===Ut.WAITING_LEVEL&&(this.state=Ut.IDLE),this.tick()},e.prototype.onKeyLoaded=function(){this.state===Ut.KEY_LOADING&&(this.state=Ut.IDLE,this.tick())},e.prototype.onFragLoaded=function(t){var e=this.fragCurrent,r=t.frag;if(this.state===Ut.FRAG_LOADING&&e&&"main"===r.type&&r.level===e.level&&r.sn===e.sn){var a=t.stats,i=this.levels[e.level],n=i.details;if(et.b.log("Loaded  "+e.sn+" of ["+n.startSN+" ,"+n.endSN+"],level "+e.level),this.bitrateTest=!1,this.stats=a,!0===r.bitrateTest&&this.hls.nextLoadLevel)this.state=Ut.IDLE,this.startFragRequested=!1,a.tparsed=a.tbuffered=performance.now(),this.hls.trigger($.a.FRAG_BUFFERED,{stats:a,frag:e,id:"main"}),this.tick();else if("initSegment"===r.sn)this.state=Ut.IDLE,a.tparsed=a.tbuffered=performance.now(),n.initSegment.data=t.payload,this.hls.trigger($.a.FRAG_BUFFERED,{stats:a,frag:e,id:"main"}),this.tick();else{this.state=Ut.PARSING;var o=n.totalduration,s=e.level,l=e.sn,d=this.config.defaultAudioCodec||i.audioCodec;this.audioCodecSwap&&(et.b.log("swapping playlist audio codec"),void 0===d&&(d=this.lastAudioCodec),d&&(d=-1!==d.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingBuffering=!0,this.appended=!1,et.b.log("Parsing "+l+" of ["+n.startSN+" ,"+n.endSN+"],level "+s+", cc "+e.cc);var u=this.demuxer;u||(u=this.demuxer=new Ct(this.hls,"main"));var h=this.media,f=h&&h.seeking,c=!f&&(n.PTSKnown||!n.live),p=n.initSegment?n.initSegment.data:[];u.push(t.payload,p,d,i.videoCodec,e,o,c,void 0)}}this.fragLoadError=0},e.prototype.onFragParsingInitSegment=function(t){var e=this.fragCurrent,r=t.frag;if(e&&"main"===t.id&&r.sn===e.sn&&r.level===e.level&&this.state===Ut.PARSING){var a,i,n=t.tracks;if(n.audio&&this.altAudio&&delete n.audio,i=n.audio){var o=this.levels[this.level].audioCodec,s=navigator.userAgent.toLowerCase();o&&this.audioCodecSwap&&(et.b.log("swapping playlist audio codec"),o=-1!==o.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==i.metadata.channelCount&&-1===s.indexOf("firefox")&&(o="mp4a.40.5"),-1!==s.indexOf("android")&&"audio/mpeg"!==i.container&&(o="mp4a.40.2",et.b.log("Android: force audio codec to "+o)),i.levelCodec=o,i.id=t.id}i=n.video,i&&(i.levelCodec=this.levels[this.level].videoCodec,i.id=t.id),this.hls.trigger($.a.BUFFER_CODECS,n);for(a in n){i=n[a],et.b.log("main track:"+a+",container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var l=i.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger($.a.BUFFER_APPENDING,{type:a,data:l,parent:"main",content:"initSegment"}))}this.tick()}},e.prototype.onFragParsingData=function(t){var e=this,r=this.fragCurrent,a=t.frag;if(r&&"main"===t.id&&a.sn===r.sn&&a.level===r.level&&("audio"!==t.type||!this.altAudio)&&this.state===Ut.PARSING){var i=this.levels[this.level],n=r;if(isNaN(t.endPTS)&&(t.endPTS=t.startPTS+r.duration,t.endDTS=t.startDTS+r.duration),et.b.log("Parsed "+t.type+",PTS:["+t.startPTS.toFixed(3)+","+t.endPTS.toFixed(3)+"],DTS:["+t.startDTS.toFixed(3)+"/"+t.endDTS.toFixed(3)+"],nb:"+t.nb+",dropped:"+(t.dropped||0)),"video"===t.type)if(n.dropped=t.dropped,n.dropped)if(n.backtracked)et.b.warn("Already backtracked on this fragment, appending with the gap");else{var o=i.details;if(!o||n.sn!==o.startSN)return et.b.warn("missing video frame(s), backtracking fragment"),n.backtracked=!0,this.nextLoadPosition=t.startPTS,this.state=Ut.IDLE,this.fragPrevious=n,void this.tick();et.b.warn("missing video frame(s) on first frag, appending with gap")}else n.backtracked=!1;var s=b(i.details,n,t.startPTS,t.endPTS,t.startDTS,t.endDTS),l=this.hls;l.trigger($.a.LEVEL_PTS_UPDATED,{details:i.details,level:this.level,drift:s,type:t.type,start:t.startPTS,end:t.endPTS}),[t.data1,t.data2].forEach(function(r){r&&r.length&&e.state===Ut.PARSING&&(e.appended=!0,e.pendingBuffering=!0,l.trigger($.a.BUFFER_APPENDING,{type:t.type,data:r,parent:"main",content:"data"}))}),this.tick()}},e.prototype.onFragParsed=function(t){var e=this.fragCurrent,r=t.frag;e&&"main"===t.id&&r.sn===e.sn&&r.level===e.level&&this.state===Ut.PARSING&&(this.stats.tparsed=performance.now(),this.state=Ut.PARSED,this._checkAppendedParsed())},e.prototype.onAudioTrackSwitching=function(t){var e=!!t.url,r=t.id;if(!e){if(this.mediaBuffer!==this.media){et.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var a=this.fragCurrent;a.loader&&(et.b.log("switching to main audio track, cancel main fragment load"),a.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=Ut.IDLE}var i=this.hls;i.trigger($.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),i.trigger($.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},e.prototype.onAudioTrackSwitched=function(t){var e=t.id,r=!!this.hls.audioTracks[e].url;if(r){var a=this.videoBuffer;a&&this.mediaBuffer!==a&&(et.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=a)}this.altAudio=r,this.tick()},e.prototype.onBufferCreated=function(t){var e=t.tracks,r=void 0,a=void 0,i=!1;for(var n in e){var o=e[n];"main"===o.id?(a=n,r=o,"video"===n&&(this.videoBuffer=e[n].buffer)):i=!0}i&&r?(et.b.log("alternate track found, use "+a+".buffered to schedule main fragment loading"),this.mediaBuffer=r.buffer):this.mediaBuffer=this.media},e.prototype.onBufferAppended=function(t){if("main"===t.parent){var e=this.state;e!==Ut.PARSING&&e!==Ut.PARSED||(this.pendingBuffering=t.pending>0,this._checkAppendedParsed())}},e.prototype._checkAppendedParsed=function(){if(!(this.state!==Ut.PARSED||this.appended&&this.pendingBuffering)){var t=this.fragCurrent;if(t){var e=this.mediaBuffer?this.mediaBuffer:this.media;et.b.log("main buffered : "+Mt.toString(e.buffered));var r=this._bufferedFrags.filter(function(t){return Lt.isBuffered(e,(t.startPTS+t.endPTS)/2)});r.push(t),this._bufferedFrags=r.sort(function(t,e){return t.startPTS-e.startPTS}),this.fragPrevious=t;var a=this.stats;a.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*a.total/(a.tbuffered-a.tfirst)),this.hls.trigger($.a.FRAG_BUFFERED,{stats:a,frag:t,id:"main"}),this.state=Ut.IDLE}this.tick()}},e.prototype.onError=function(t){var e=t.frag||this.fragCurrent;if(!e||"main"===e.type){var r=!!this.media&&Lt.isBuffered(this.media,this.media.currentTime)&&Lt.isBuffered(this.media,this.media.currentTime+.5);switch(t.details){case tt.a.FRAG_LOAD_ERROR:case tt.a.FRAG_LOAD_TIMEOUT:case tt.a.KEY_LOAD_ERROR:case tt.a.KEY_LOAD_TIMEOUT:if(!t.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var a=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);e.loadCounter=0,et.b.warn("mediaController: frag loading failed, retry in "+a+" ms"),this.retryDate=performance.now()+a,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Ut.FRAG_LOADING_WAITING_RETRY}else et.b.error("mediaController: "+t.details+" reaches max retry, redispatch as fatal ..."),t.fatal=!0,this.state=Ut.ERROR;break;case tt.a.FRAG_LOOP_LOADING_ERROR:t.fatal||(r?(this._reduceMaxBufferLength(e.duration),this.state=Ut.IDLE):e.autoLevel&&0!==e.level||(t.fatal=!0,this.state=Ut.ERROR));break;case tt.a.LEVEL_LOAD_ERROR:case tt.a.LEVEL_LOAD_TIMEOUT:this.state!==Ut.ERROR&&(t.fatal?(this.state=Ut.ERROR,et.b.warn("streamController: "+t.details+",switch to "+this.state+" state ...")):t.levelRetry||this.state!==Ut.WAITING_LEVEL||(this.state=Ut.IDLE));break;case tt.a.BUFFER_FULL_ERROR:"main"!==t.parent||this.state!==Ut.PARSING&&this.state!==Ut.PARSED||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=Ut.IDLE):(et.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},e.prototype._reduceMaxBufferLength=function(t){var e=this.config;e.maxMaxBufferLength>=t&&(e.maxMaxBufferLength/=2,et.b.warn("main:reduce max buffer length to "+e.maxMaxBufferLength+"s"),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*e.fragLoadingLoopThreshold))},e.prototype._checkBuffer=function(){var t=this.media,e=this.config;if(t&&t.readyState){var r=t.currentTime,a=this.mediaBuffer?this.mediaBuffer:t,i=a.buffered;if(!this.loadedmetadata&&i.length){this.loadedmetadata=!0;var n=t.seeking?r:this.startPosition,o=Lt.isBuffered(a,n),s=i.start(0),l=!o&&Math.abs(n-s)<e.maxSeekHole;(r!==n||l)&&(et.b.log("target start position:"+n),l&&(n=s,et.b.log("target start position not buffered, seek to buffered.start(0) "+n)),et.b.log("adjust currentTime from "+r+" to "+n),t.currentTime=n)}else if(this.immediateSwitch)this.immediateLevelSwitchEnd();else{var d=Lt.bufferInfo(t,r,0),u=!(t.paused||t.ended||0===t.buffered.length),h=r!==this.lastCurrentTime;if(h)this.stallReported&&(et.b.warn("playback not stuck anymore @"+r+", after "+Math.round(performance.now()-this.stalled)+"ms"),this.stallReported=!1),this.stalled=void 0,this.nudgeRetry=0;else if(u){var f=performance.now(),c=this.hls;if(this.stalled){var p=f-this.stalled,v=d.len,g=this.nudgeRetry||0;if(v<=.5&&p>1e3*e.lowBufferWatchdogPeriod){this.stallReported||(this.stallReported=!0,et.b.warn("playback stalling in low buffer @"+r),c.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:v}));var m=d.nextStart,y=m-r;if(m&&y<e.maxSeekHole&&y>0){this.nudgeRetry=++g;var b=g*e.nudgeOffset;et.b.log("adjust currentTime from "+t.currentTime+" to next buffered @ "+m+" + nudge "+b),t.currentTime=m+b,this.stalled=void 0,c.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,hole:m+b-r})}}else if(v>.5&&p>1e3*e.highBufferWatchdogPeriod)if(this.stallReported||(this.stallReported=!0,et.b.warn("playback stalling in high buffer @"+r),c.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:v})),this.stalled=void 0,this.nudgeRetry=++g,g<e.nudgeMaxRetry){var E=t.currentTime,R=E+g*e.nudgeOffset;et.b.log("adjust currentTime from "+E+" to "+R),t.currentTime=R,c.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else et.b.error("still stuck in high buffer @"+r+" after "+e.nudgeMaxRetry+", raise fatal error"),c.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_STALLED_ERROR,fatal:!0})}else this.stalled=f,this.stallReported=!1}}}},e.prototype.onFragLoadEmergencyAborted=function(){this.state=Ut.IDLE,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},e.prototype.onBufferFlushed=function(){var t=this.mediaBuffer?this.mediaBuffer:this.media;this._bufferedFrags=this._bufferedFrags.filter(function(e){return Lt.isBuffered(t,(e.startPTS+e.endPTS)/2)}),void 0!==this.fragLoadIdx&&(this.fragLoadIdx+=2*this.config.fragLoadingLoopThreshold),this.state=Ut.IDLE,this.fragPrevious=null},e.prototype.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},e.prototype.computeLivePosition=function(t,e){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*e.targetduration;return t+Math.max(0,e.totalduration-r)},Nt(e,[{key:"state",set:function(t){if(this.state!==t){var e=this.state;this._state=t,et.b.log("main stream:"+e+"->"+t),this.hls.trigger($.a.STREAM_STATE_TRANSITION,{previousState:e,nextState:t})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var t=this.media;if(t){var e=this.getBufferedFrag(t.currentTime);if(e)return e.level}return-1}},{key:"nextBufferedFrag",get:function(){var t=this.media;return t?this.followingBufferedFrag(this.getBufferedFrag(t.currentTime)):null}},{key:"nextLevel",get:function(){var t=this.nextBufferedFrag;return t?t.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(t){this._liveSyncPosition=t}}]),e}(it),Gt=Bt,Ht=function(){function t(t,e){for(var r=0;r<e.length;r++){var a=e[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(t,a.key,a)}}return function(e,r,a){return r&&t(e.prototype,r),a&&t(e,a),e}}(),jt=function(t){function e(r){O(this,e);var a=x(this,t.call(this,r,$.a.MANIFEST_LOADED,$.a.LEVEL_LOADED,$.a.FRAG_LOADED,$.a.ERROR));return a._manualLevel=-1,a.timer=null,a}return I(e,t),e.prototype.destroy=function(){this.cleanTimer(),this._manualLevel=-1},e.prototype.cleanTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},e.prototype.startLoad=function(){var t=this._levels;this.canload=!0,this.levelRetryCount=0,t&&t.forEach(function(t){t.loadError=0;var e=t.details;e&&e.live&&(t.details=void 0)}),this.timer&&this.tick()},e.prototype.stopLoad=function(){this.canload=!1},e.prototype.onManifestLoaded=function(t){var e=[],r=void 0,a={},i=null,n=!1,s=!1,l=/chrome|firefox/.test(navigator.userAgent.toLowerCase());if(t.levels.forEach(function(t){t.loadError=0,t.fragmentError=!1,n=n||!!t.videoCodec,s=s||!!t.audioCodec||!(!t.attrs||!t.attrs.AUDIO),!0===l&&t.audioCodec&&-1!==t.audioCodec.indexOf("mp4a.40.34")&&(t.audioCodec=void 0),i=a[t.bitrate],void 0===i?(t.url=[t.url],t.urlId=0,a[t.bitrate]=t,e.push(t)):i.url.push(t.url)}),!0===n&&!0===s&&(e=e.filter(function(t){return!!t.videoCodec})),e=e.filter(function(t){var e=t.audioCodec,r=t.videoCodec;return(!e||o(e))&&(!r||o(r))}),e.length>0){r=e[0].bitrate,e.sort(function(t,e){return t.bitrate-e.bitrate}),this._levels=e;for(var d=0;d<e.length;d++)if(e[d].bitrate===r){this._firstLevel=d,et.b.log("manifest loaded,"+e.length+" level(s) found, first bitrate:"+r);break}this.hls.trigger($.a.MANIFEST_PARSED,{levels:e,firstLevel:this._firstLevel,stats:t.stats,audio:s,video:n,altAudio:t.audioTracks.length>0})}else this.hls.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},e.prototype.setLevelInternal=function(t){var e=this._levels,r=this.hls;if(t>=0&&t<e.length){if(this.cleanTimer(),this._level!==t){et.b.log("switching to level "+t),this._level=t;var a=e[t];a.level=t,r.trigger($.a.LEVEL_SWITCH,a),r.trigger($.a.LEVEL_SWITCHING,a)}var i=e[t],n=i.details;if(!n||!0===n.live){var o=i.urlId;r.trigger($.a.LEVEL_LOADING,{url:i.url[o],level:t,id:o})}}else r.trigger($.a.ERROR,{type:tt.b.OTHER_ERROR,details:tt.a.LEVEL_SWITCH_ERROR,level:t,fatal:!1,reason:"invalid level idx"})},e.prototype.onError=function(t){var e=this;if(!0===t.fatal)return void(t.type===tt.b.NETWORK_ERROR&&this.cleanTimer());var r=t.details,a=!1,i=!1,n=void 0,o=void 0,s=this.hls.config;switch(r){case tt.a.FRAG_LOAD_ERROR:case tt.a.FRAG_LOAD_TIMEOUT:case tt.a.FRAG_LOOP_LOADING_ERROR:case tt.a.KEY_LOAD_ERROR:case tt.a.KEY_LOAD_TIMEOUT:n=t.frag.level,i=!0;break;case tt.a.LEVEL_LOAD_ERROR:case tt.a.LEVEL_LOAD_TIMEOUT:n=t.context.level,a=!0;break;case tt.a.REMUX_ALLOC_ERROR:n=t.level}if(void 0!==n)if(o=this._levels[n],o.loadError++,o.fragmentError=i,!0===i){var l=o.url.length;l>1&&o.loadError<l?(o.urlId=(o.urlId+1)%l,o.details=void 0,et.b.warn("level controller,"+r+" for level "+n+": switching to redundant stream id "+o.urlId)):-1===this._manualLevel&&0!==n?(et.b.warn("level controller,"+r+": switch-down for next fragment"),this.hls.nextAutoLevel=n-1):(et.b.warn("level controller, "+r+": reload a fragment"),this._level=void 0)}else if(!0===a)if(this.levelRetryCount+1<=s.levelLoadingMaxRetry){var d=Math.min(Math.pow(2,this.levelRetryCount)*s.levelLoadingRetryDelay,s.levelLoadingMaxRetryTimeout);this.timer=setTimeout(function(){return e.tick()},d),t.levelRetry=!0,this.levelRetryCount++,et.b.warn("level controller,"+r+", retry in "+d+" ms, current retry count is "+this.levelRetryCount)}else et.b.error("cannot recover "+r+" error"),this._level=void 0,this.cleanTimer(),t.fatal=!0},e.prototype.onFragLoaded=function(t){var e=t.frag;if(void 0!==e&&"main"===e.type){var r=this._levels[e.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},e.prototype.onLevelLoaded=function(t){var e=this,r=t.level;if(r===this._level){var a=this._levels[r];!1===a.fragmentError&&(a.loadError=0,this.levelRetryCount=0);var i=t.details;if(i.live){var n=1e3*(i.averagetargetduration?i.averagetargetduration:i.targetduration),o=a.details;o&&i.endSN===o.endSN&&(n/=2,et.b.log("same live playlist, reload twice faster")),n-=performance.now()-t.stats.trequest,n=Math.max(1e3,Math.round(n)),et.b.log("live playlist, reload in "+n+" ms"),this.timer=setTimeout(function(){return e.tick()},n)}else this.cleanTimer()}},e.prototype.tick=function(){var t=this._level;if(void 0!==t&&this.canload){var e=this._levels[t];if(e&&e.url){var r=e.urlId;this.hls.trigger($.a.LEVEL_LOADING,{url:e.url[r],level:t,id:r})}}},Ht(e,[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this._level},set:function(t){var e=this._levels;e&&(t=Math.min(t,e.length-1),this._level===t&&void 0!==e[t].details||this.setLevelInternal(t))}},{key:"manualLevel",get:function(){return this._manualLevel},set:function(t){this._manualLevel=t,void 0===this._startLevel&&(this._startLevel=t),-1!==t&&(this.level=t)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(t){this._firstLevel=t}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var t=this.hls.config.startLevel;return void 0!==t?t:this._firstLevel}return this._startLevel},set:function(t){this._startLevel=t}},{key:"nextLoadLevel",get:function(){return-1!==this._manualLevel?this._manualLevel:this.hls.nextAutoLevel},set:function(t){this.level=t,-1===this._manualLevel&&(this.hls.nextAutoLevel=t)}}]),e}(it),Vt=jt,Wt=r(4),Kt=function(t){function e(r){k(this,e);var a=P(this,t.call(this,r,$.a.MEDIA_ATTACHED,$.a.MEDIA_DETACHING,$.a.FRAG_PARSING_METADATA));return a.id3Track=void 0,a.media=void 0,a}return C(e,t),e.prototype.destroy=function(){it.prototype.destroy.call(this)},e.prototype.onMediaAttached=function(t){this.media=t.media,this.media},e.prototype.onMediaDetaching=function(){this.media=void 0},e.prototype.onFragParsingMetadata=function(t){var e=t.frag,r=t.samples;this.id3Track||(this.id3Track=this.media.addTextTrack("metadata","id3"),this.id3Track.mode="hidden");for(var a=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,i=0;i<r.length;i++){var n=Wt.a.getID3Frames(r[i].data);if(n){var o=r[i].pts,s=i<r.length-1?r[i+1].pts:e.endPTS;o===s&&(s+=1e-4);for(var l=0;l<n.length;l++){var d=n[l];if(!Wt.a.isTimeStampFrame(d)){var u=new a(o,s,"");u.value=d,this.id3Track.addCue(u)}}}}},e}(it),Yt=Kt,zt=function(){function t(e){F(this,t),this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}return t.prototype.sample=function(t,e){var r=Math.pow(this.alpha_,t);this.estimate_=e*(1-r)+r*this.estimate_,this.totalWeight_+=t},t.prototype.getTotalWeight=function(){return this.totalWeight_},t.prototype.getEstimate=function(){if(this.alpha_){var t=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/t}return this.estimate_},t}(),Xt=zt,qt=function(){function t(e,r,a,i){M(this,t),this.hls=e,this.defaultEstimate_=i,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new Xt(r),this.fast_=new Xt(a)}return t.prototype.sample=function(t,e){t=Math.max(t,this.minDelayMs_);var r=8e3*e/t,a=t/1e3;this.fast_.sample(a,r),this.slow_.sample(a,r)},t.prototype.canEstimate=function(){var t=this.fast_;return t&&t.getTotalWeight()>=this.minWeight_},t.prototype.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.prototype.destroy=function(){},t}(),Qt=qt,Jt=function(){function t(t,e){for(var r=0;r<e.length;r++){var a=e[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(t,a.key,a)}}return function(e,r,a){return r&&t(e.prototype,r),a&&t(e,a),e}}(),Zt=function(t){function e(r){N(this,e);var a=U(this,t.call(this,r,$.a.FRAG_LOADING,$.a.FRAG_LOADED,$.a.FRAG_BUFFERED,$.a.ERROR));return a.lastLoadedFragLevel=0,a._nextAutoLevel=-1,a.hls=r,a.timer=null,a._bwEstimator=null,a.onCheck=a._abandonRulesCheck.bind(a),a}return B(e,t),e.prototype.destroy=function(){this.clearTimer(),it.prototype.destroy.call(this)},e.prototype.onFragLoading=function(t){var e=t.frag;if("main"===e.type){if(this.timer||(this.timer=setInterval(this.onCheck,100)),!this._bwEstimator){var r=this.hls,a=t.frag.level,i=r.levels[a].details.live,n=r.config,o=void 0,s=void 0;i?(o=n.abrEwmaFastLive,s=n.abrEwmaSlowLive):(o=n.abrEwmaFastVoD,s=n.abrEwmaSlowVoD),this._bwEstimator=new Qt(r,s,o,n.abrEwmaDefaultEstimate)}this.fragCurrent=e}},e.prototype._abandonRulesCheck=function(){var t=this.hls,e=t.media,r=this.fragCurrent,a=r.loader,i=t.minAutoLevel;if(!a||a.stats&&a.stats.aborted)return et.b.warn("frag loader destroy or aborted, disarm abandonRules"),void this.clearTimer();var n=a.stats;if(e&&n&&(!e.paused&&0!==e.playbackRate||!e.readyState)&&r.autoLevel&&r.level){var o=performance.now()-n.trequest,s=Math.abs(e.playbackRate);if(o>500*r.duration/s){var l=t.levels,d=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/o),u=l[r.level],h=u.realBitrate?Math.max(u.realBitrate,u.bitrate):u.bitrate,f=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*h/8)),c=e.currentTime,p=(f-n.loaded)/d,v=(Lt.bufferInfo(e,c,t.config.maxBufferHole).end-c)/s;if(v<2*r.duration/s&&p>v){var g=void 0,m=void 0;for(m=r.level-1;m>i;m--){var y=l[m].realBitrate?Math.max(l[m].realBitrate,l[m].bitrate):l[m].bitrate;if((g=r.duration*y/(6.4*d))<v)break}g<p&&(et.b.warn("loading too slow, abort fragment loading and switch to level "+m+":fragLoadedDelay["+m+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+g.toFixed(1)+"<"+p.toFixed(1)+":"+v.toFixed(1)),t.nextLoadLevel=m,this._bwEstimator.sample(o,n.loaded),a.abort(),this.clearTimer(),t.trigger($.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}},e.prototype.onFragLoaded=function(t){var e=t.frag;if("main"===e.type&&!isNaN(e.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=e.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[e.level],a=(r.loaded?r.loaded.bytes:0)+t.stats.loaded,i=(r.loaded?r.loaded.duration:0)+t.frag.duration;r.loaded={bytes:a,duration:i},r.realBitrate=Math.round(8*a/i)}if(t.frag.bitrateTest){var n=t.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(t)}}},e.prototype.onFragBuffered=function(t){var e=t.stats,r=t.frag;if(!(!0===e.aborted||1!==r.loadCounter||"main"!==r.type||isNaN(r.sn)||r.bitrateTest&&e.tload!==e.tbuffered)){var a=e.tparsed-e.trequest;et.b.log("latency/loading/parsing/append/kbps:"+Math.round(e.tfirst-e.trequest)+"/"+Math.round(e.tload-e.tfirst)+"/"+Math.round(e.tparsed-e.tload)+"/"+Math.round(e.tbuffered-e.tparsed)+"/"+Math.round(8*e.loaded/(e.tbuffered-e.trequest))),this._bwEstimator.sample(a,e.loaded),e.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},e.prototype.onError=function(t){switch(t.details){case tt.a.FRAG_LOAD_ERROR:case tt.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},e.prototype.clearTimer=function(){clearInterval(this.timer),this.timer=null},e.prototype._findBestLevel=function(t,e,r,a,i,n,o,s,l){for(var d=i;d>=a;d--){var u=l[d],h=u.details,f=h?h.totalduration/h.fragments.length:e,c=!!h&&h.live,p=void 0;p=d<=t?o*r:s*r;var v=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,g=v*f/p;if(et.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(p)+"/"+v+"/"+f+"/"+n+"/"+g),p>v&&(!g||c&&!this.bitrateTestDelay||g<n))return d}return-1},Jt(e,[{key:"nextAutoLevel",get:function(){var t=this._nextAutoLevel,e=this._bwEstimator;if(!(-1===t||e&&e.canEstimate()))return t;var r=this._nextABRAutoLevel;return-1!==t&&(r=Math.min(t,r)),r},set:function(t){this._nextAutoLevel=t}},{key:"_nextABRAutoLevel",get:function(){var t=this.hls,e=t.maxAutoLevel,r=t.levels,a=t.config,i=t.minAutoLevel,n=t.media,o=this.lastLoadedFragLevel,s=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,d=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,u=this._bwEstimator?this._bwEstimator.getEstimate():a.abrEwmaDefaultEstimate,h=(Lt.bufferInfo(n,l,a.maxBufferHole).end-l)/d,f=this._findBestLevel(o,s,u,i,e,h,a.abrBandWidthFactor,a.abrBandWidthUpFactor,r);if(f>=0)return f;et.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var c=s?Math.min(s,a.maxStarvationDelay):a.maxStarvationDelay,p=a.abrBandWidthFactor,v=a.abrBandWidthUpFactor;if(0===h){var g=this.bitrateTestDelay;if(g){c=(s?Math.min(s,a.maxLoadingDelay):a.maxLoadingDelay)-g,et.b.trace("bitrate test took "+Math.round(1e3*g)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*c)+" ms"),p=v=1}}return f=this._findBestLevel(o,s,u,i,e,h+c,p,v,r),Math.max(f,0)}}]),e}(it),$t=Zt,te=g(),ee=function(t){function e(r){G(this,e);var a=H(this,t.call(this,r,$.a.MEDIA_ATTACHING,$.a.MEDIA_DETACHING,$.a.MANIFEST_PARSED,$.a.BUFFER_RESET,$.a.BUFFER_APPENDING,$.a.BUFFER_CODECS,$.a.BUFFER_EOS,$.a.BUFFER_FLUSHING,$.a.LEVEL_PTS_UPDATED,$.a.LEVEL_UPDATED));return a._msDuration=null,a._levelDuration=null,a.onsbue=a.onSBUpdateEnd.bind(a),a.onsbe=a.onSBUpdateError.bind(a),a.pendingTracks={},a.tracks={},a}return j(e,t),e.prototype.destroy=function(){it.prototype.destroy.call(this)},e.prototype.onLevelPtsUpdated=function(t){var e=t.type,r=this.tracks.audio;if("audio"===e&&r&&"audio/mpeg"===r.container){var a=this.sourceBuffer.audio;if(Math.abs(a.timestampOffset-t.start)>.1){var i=a.updating;try{a.abort()}catch(t){i=!0,et.b.warn("can not abort audio buffer: "+t)}i?this.audioTimestampOffset=t.start:(et.b.warn("change mpeg audio timestamp offset from "+a.timestampOffset+" to "+t.start),a.timestampOffset=t.start)}}},e.prototype.onManifestParsed=function(t){var e=t.audio,r=t.video||t.levels.length&&t.audio,a=0;t.altAudio&&(e||r)&&(a=(e?1:0)+(r?1:0),et.b.log(a+" sourceBuffer(s) expected")),this.sourceBufferNb=a},e.prototype.onMediaAttaching=function(t){var e=this.media=t.media;if(e){var r=this.mediaSource=new te;this.onmso=this.onMediaSourceOpen.bind(this),this.onmse=this.onMediaSourceEnded.bind(this),this.onmsc=this.onMediaSourceClose.bind(this),r.addEventListener("sourceopen",this.onmso),r.addEventListener("sourceended",this.onmse),r.addEventListener("sourceclose",this.onmsc),e.src=URL.createObjectURL(r)}},e.prototype.onMediaDetaching=function(){et.b.log("media source detaching");var t=this.mediaSource;if(t){if("open"===t.readyState)try{t.endOfStream()}catch(t){et.b.warn("onMediaDetaching:"+t.message+" while calling endOfStream")}t.removeEventListener("sourceopen",this.onmso),t.removeEventListener("sourceended",this.onmse),t.removeEventListener("sourceclose",this.onmsc),this.media&&(URL.revokeObjectURL(this.media.src),this.media.removeAttribute("src"),this.media.load()),this.mediaSource=null,this.media=null,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.onmso=this.onmse=this.onmsc=null,this.hls.trigger($.a.MEDIA_DETACHED)},e.prototype.onMediaSourceOpen=function(){et.b.log("media source opened"),this.hls.trigger($.a.MEDIA_ATTACHED,{media:this.media});var t=this.mediaSource;t&&t.removeEventListener("sourceopen",this.onmso),this.checkPendingTracks()},e.prototype.checkPendingTracks=function(){var t=this.pendingTracks,e=Object.keys(t).length;e&&(this.sourceBufferNb<=e||0===this.sourceBufferNb)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},e.prototype.onMediaSourceClose=function(){et.b.log("media source closed")},e.prototype.onMediaSourceEnded=function(){et.b.log("media source ended")},e.prototype.onSBUpdateEnd=function(){if(this.audioTimestampOffset){var t=this.sourceBuffer.audio;et.b.warn("change mpeg audio timestamp offset from "+t.timestampOffset+" to "+this.audioTimestampOffset),t.timestampOffset=this.audioTimestampOffset,delete this.audioTimestampOffset}this._needsFlush&&this.doFlush(),this._needsEos&&this.checkEos(),this.appending=!1;var e=this.parent,r=this.segments.reduce(function(t,r){return r.parent===e?t+1:t},0);this.hls.trigger($.a.BUFFER_APPENDED,{parent:e,pending:r}),this._needsFlush||this.doAppending(),this.updateMediaElementDuration()},e.prototype.onSBUpdateError=function(t){et.b.error("sourceBuffer error:",t),this.hls.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferReset=function(){var t=this.sourceBuffer;for(var e in t){var r=t[e];try{this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this.onsbue),r.removeEventListener("error",this.onsbe)}catch(t){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},e.prototype.onBufferCodecs=function(t){if(0===Object.keys(this.sourceBuffer).length){for(var e in t)this.pendingTracks[e]=t[e];var r=this.mediaSource;r&&"open"===r.readyState&&this.checkPendingTracks()}},e.prototype.createSourceBuffers=function(t){var e=this.sourceBuffer,r=this.mediaSource;for(var a in t)if(!e[a]){var i=t[a],n=i.levelCodec||i.codec,o=i.container+";codecs="+n;et.b.log("creating sourceBuffer("+o+")");try{var s=e[a]=r.addSourceBuffer(o);s.addEventListener("updateend",this.onsbue),s.addEventListener("error",this.onsbe),this.tracks[a]={codec:n,container:i.container},i.buffer=s}catch(t){et.b.error("error while trying to add sourceBuffer:"+t.message),this.hls.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:t,mimeType:o})}}this.hls.trigger($.a.BUFFER_CREATED,{tracks:t})},e.prototype.onBufferAppending=function(t){this._needsFlush||(this.segments?this.segments.push(t):this.segments=[t],this.doAppending())},e.prototype.onBufferAppendFail=function(t){et.b.error("sourceBuffer error:",t.event),this.hls.trigger($.a.ERROR,{type:tt.b.MEDIA_ERROR,details:tt.a.BUFFER_APPENDING_ERROR,fatal:!1})},e.prototype.onBufferEos=function(t){var e=this.sourceBuffer,r=t.type;for(var a in e)r&&a!==r||e[a].ended||(e[a].ended=!0,et.b.log(a+" sourceBuffer now EOS"));this.checkEos()},e.prototype.checkEos=function(){var t=this.sourceBuffer,e=this.mediaSource;if(!e||"open"!==e.readyState)return void(this._needsEos=!1);for(var r in t){var a=t[r];if(!a.ended)return;if(a.updating)return void(this._needsEos=!0)}et.b.log("all media data available, signal endOfStream() to MediaSource and stop loading fragment");try{e.endOfStream()}catch(t){et.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1},e.prototype.onBufferFlushing=function(t){this.flushRange.push({start:t.startOffset,end:t.endOffset,type:t.type}),this.flushBufferCounter=0,this.doFlush()},e.prototype.onLevelUpdated=function(t){var e=t.details;0!==e.fragments.length&&(this._levelDuration=e.totalduration+e.fragments[0].start,this.updateMediaElementDuration())},e.prototype.updateMediaElementDuration=function(){var t=this.media,e=this.mediaSource,r=this.sourceBuffer,a=this._levelDuration;if(null!==a&&t&&e&&r&&0!==t.readyState&&"open"===e.readyState){for(var i in r)if(r[i].updating)return;null===this._msDuration&&(this._msDuration=e.duration);var n=t.duration;(a>this._msDuration&&a>n||n===1/0||isNaN(n))&&(et.b.log("Updating mediasource duration to "+a.toFixed(3)),this._msDuration=e.duration=a)}},e.prototype.doFlush=function(){for(;this.flushRange.length;){var t=this.flushRange[0];if(!this.flushBuffer(t.start,t.end,t.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var e=0,r=this.sourceBuffer;try{for(var a in r)e+=r[a].buffered.length}catch(t){et.b.error("error while accessing sourceBuffer.buffered")}this.appended=e,this.hls.trigger($.a.BUFFER_FLUSHED)}},e.prototype.doAppending=function(){var t=this.hls,e=this.sourceBuffer,r=this.segments;if(Object.keys(e).length){if(this.media.error)return this.segments=[],void et.b.error("trying to append although a media error occured, flush segment and abort");if(this.appending)return;if(r&&r.length){var a=r.shift();try{var i=a.type,n=e[i];n?n.updating?r.unshift(a):(n.ended=!1,this.parent=a.parent,n.appendBuffer(a.data),this.appendError=0,this.appended++,this.appending=!0):this.onSBUpdateEnd()}catch(e){et.b.error("error while trying to append buffer:"+e.message),r.unshift(a);var o={type:tt.b.MEDIA_ERROR,parent:a.parent};if(22===e.code)return this.segments=[],o.details=tt.a.BUFFER_FULL_ERROR,o.fatal=!1,void t.trigger($.a.ERROR,o);if(this.appendError?this.appendError++:this.appendError=1,o.details=tt.a.BUFFER_APPEND_ERROR,this.appendError>t.config.appendErrorMaxRetry)return et.b.log("fail "+t.config.appendErrorMaxRetry+" times to append segment in sourceBuffer"),r=[],o.fatal=!0,void t.trigger($.a.ERROR,o);o.fatal=!1,t.trigger($.a.ERROR,o)}}}},e.prototype.flushBuffer=function(t,e,r){var a,i,n,o,s,l,d=this.sourceBuffer;if(Object.keys(d).length){if(et.b.log("flushBuffer,pos/start/end: "+this.media.currentTime.toFixed(3)+"/"+t+"/"+e),this.flushBufferCounter<this.appended){for(var u in d)if(!r||u===r){if(a=d[u],a.ended=!1,a.updating)return et.b.warn("cannot flush, sb updating in progress"),!1;try{for(i=0;i<a.buffered.length;i++)if(n=a.buffered.start(i),o=a.buffered.end(i),-1!==navigator.userAgent.toLowerCase().indexOf("firefox")&&e===Number.POSITIVE_INFINITY?(s=t,l=e):(s=Math.max(n,t),l=Math.min(o,e)),Math.min(l,o)-s>.5)return this.flushBufferCounter++,et.b.log("flush "+u+" ["+s+","+l+"], of ["+n+","+o+"], pos:"+this.media.currentTime),a.remove(s,l),!1}catch(t){et.b.warn("exception while accessing sourcebuffer, it might have been removed from MediaSource")}}}else et.b.warn("abort flushing too many retries");et.b.log("buffer flushed")}return!0},e}(it),re=ee,ae=function(){function t(t,e){for(var r=0;r<e.length;r++){var a=e[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(t,a.key,a)}}return function(e,r,a){return r&&t(e.prototype,r),a&&t(e,a),e}}(),ie=function(t){function e(r){return V(this,e),W(this,t.call(this,r,$.a.FPS_DROP_LEVEL_CAPPING,$.a.MEDIA_ATTACHING,$.a.MANIFEST_PARSED))}return K(e,t),e.prototype.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=this.restrictedLevels=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer)))},e.prototype.onFpsDropLevelCapping=function(t){e.isLevelAllowed(t.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(t.droppedLevel)},e.prototype.onMediaAttaching=function(t){this.media=t.media instanceof HTMLVideoElement?t.media:null},e.prototype.onManifestParsed=function(t){var e=this.hls;this.restrictedLevels=[],e.config.capLevelToPlayerSize&&(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.levels=t.levels,e.firstLevel=this.getMaxLevel(t.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},e.prototype.detectPlayerSize=function(){if(this.media){var t=this.levels?this.levels.length:0;if(t){var e=this.hls;e.autoLevelCapping=this.getMaxLevel(t-1),e.autoLevelCapping>this.autoLevelCapping&&e.streamController.nextLevelSwitch(),this.autoLevelCapping=e.autoLevelCapping}}},e.prototype.getMaxLevel=function(t){var r=this;if(!this.levels)return-1;var a=this.levels.filter(function(a,i){return e.isLevelAllowed(i,r.restrictedLevels)&&i<=t});return e.getMaxLevelByMediaSize(a,this.mediaWidth,this.mediaHeight)},e.isLevelAllowed=function(t){return-1===(arguments.length>1&&void 0!==arguments[1]?arguments[1]:[]).indexOf(t)},e.getMaxLevelByMediaSize=function(t,e,r){if(!t||t&&!t.length)return-1;for(var a=t.length-1,i=0;i<t.length;i+=1){var n=t[i];if((n.width>=e||n.height>=r)&&function(t,e){return!e||(t.width!==e.width||t.height!==e.height)}(n,t[i+1])){a=i;break}}return a},ae(e,[{key:"mediaWidth",get:function(){var t=void 0,r=this.media;return r&&(t=r.width||r.clientWidth||r.offsetWidth,t*=e.contentScaleFactor),t}},{key:"mediaHeight",get:function(){var t=void 0,r=this.media;return r&&(t=r.height||r.clientHeight||r.offsetHeight,t*=e.contentScaleFactor),t}}],[{key:"contentScaleFactor",get:function(){var t=1;try{t=window.devicePixelRatio}catch(t){}return t}}]),e}(it),ne=ie,oe=function(t){function e(r){return Y(this,e),z(this,t.call(this,r,$.a.MEDIA_ATTACHING))}return X(e,t),e.prototype.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},e.prototype.onMediaAttaching=function(t){var e=this.hls.config;if(e.capLevelOnFPSDrop){"function"==typeof(this.video=t.media instanceof HTMLVideoElement?t.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),e.fpsDroppedMonitoringPeriod)}},e.prototype.checkFPS=function(t,e,r){var a=performance.now();if(e){if(this.lastTime){var i=a-this.lastTime,n=r-this.lastDroppedFrames,o=e-this.lastDecodedFrames,s=1e3*n/i,l=this.hls;if(l.trigger($.a.FPS_DROP,{currentDropped:n,currentDecoded:o,totalDroppedFrames:r}),s>0&&n>l.config.fpsDroppedMonitoringThreshold*o){var d=l.currentLevel;et.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+d),d>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=d)&&(d-=1,l.trigger($.a.FPS_DROP_LEVEL_CAPPING,{level:d,droppedLevel:l.currentLevel}),l.autoLevelCapping=d,l.streamController.nextLevelSwitch())}}this.lastTime=a,this.lastDroppedFrames=r,this.lastDecodedFrames=e}},e.prototype.checkFPSInterval=function(){var t=this.video;if(t)if(this.isVideoPlaybackQualityAvailable){var e=t.getVideoPlaybackQuality();this.checkFPS(t,e.totalVideoFrames,e.droppedVideoFrames)}else this.checkFPS(t,t.webkitDecodedFrameCount,t.webkitDroppedFrameCount)},e}(it),se=oe,le=function(){function t(e){q(this,t),e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}return 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