hls.min.js

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i=crypto||self.crypto;this.subtle=i.subtle||i.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,i){var a=this;if(this.disableWebCrypto&&this;.config.enableSoftwareAES){this.logEnabled&&(N.b.log("JS AES decrypt"),this.logEnabled=!1);var n=this.decryptor;n||(this.decryptor=n=new F),n.expandKey(e),i(n.decrypt(t,0,r))}else{this.logEnabled&&(N.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 O(o,r).decrypt(t,n).catch(function(n){a.onWebCryptoError(n,t,e,r,i)}).then(function(t){i(t)})}).catch(function(n){a.onWebCryptoError(n,t,e,r,i)})}},t.prototype. Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(e,r,i,a)):(N.b.error("decrypting error : "+t.message),this.observer.trigger(Event.ERROR,{type:k.b.MEDIA_ERROR,details:k.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=M,B=r(3),G=function(){function t(e,r,i){y(this,t),this.observer=e,this.config=i,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,i){this._audioTrack={container:"audio/adts",type:"audio",id:-1,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:e,duration:i,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,i=t.length;r<i;r++)if(c(t,r))return N.b.log("ADTS sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,i){for(var a=this._audioTrack,n=B.a.getID3Data(t,0)||[],o=B.a.getTimeStamp(n),s=o?90*o:9e4*e,l=0,u=s,d=t.length,c=n.length,p=[{pts:u,dts:u,data:n}];c<d-1;)if(h(t,c)&&c+5=8){return["moof","ftyp","styp"].indexOf(t.bin2str(e.subarray(4,8)))>=0}return!1},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>24,t[e+1]=r>>16&255;,t[e+2]=r>>8&255;,t[e+3]=255&r},t.findBox=function(e,r){var i,a,n,o,s,l,u,d=[];if(e.data?(l=e.start,o=e.end,e=e.data):(l=0,o=e.byteLength),!r.length)return null;for(i=l;i1?i+a:o,n===r[0]&&(1===r.length?d.push({data:e,start:i+8,end:u}):(s=t.findBox({data:e,start:i+8,end:u},r.slice(1)),s.length&&(d=d.concat(s)))),i=u;return d},t.parseInitSegment=function(e){var r=[];return t.findBox(e,["moov","trak"]).forEach(function(e){var i=t.findBox(e,["tkhd"])[0];if(i){var a=i.data[i.start],n=0===a?12:20,o=t.readUint32(i,n),s=t.findBox(e,["mdia","mdhd"])[0];if(s){a=s.data[s.start],n=0===a?12:20;var l=t.readUint32(s,n),u=t.findBox(e,["mdia","hdlr"])[0];if(u){var d=t.bin2str(u.data.subarray(u.start+8,u.start+12)),h={soun:"audio",vide:"video"}[d];h&&(r[o]={timescale:l,type:h},r[h]={timescale:l,id:o})}}}}),r},t.getStartDTS=function(e,r){var i,a,n;return i=t.findBox(r,["moof","traf"]),a=[].concat.apply([],i.map(function(r){return t.findBox(r,["tfhd"]).map(function(i){var a,n,o;return a=t.readUint32(i,4),n=e[a].timescale||9e4,o=t.findBox(r,["tfdt"]).map(function(e){var r,i;return r=e.data[e.start],i=t.readUint32(e,4),1===r&&(i*=Math.pow(2,32),i+=t.readUint32(e,8)),i})[0],(o=o||1/0)/n})})),n=Math.min.apply(null,a),isFinite(n)?n:0},t.offsetStartDTS=function(e,r,i){t.findBox(r,["moof","traf"]).map(function(r){return t.findBox(r,["tfhd"]).map(function(a){var n=t.readUint32(a,4),o=e[n].timescale||9e4;t.findBox(r,["tfdt"]).map(function(e){var r=e.data[e.start],a=t.readUint32(e,4);if(0===r)t.writeUint32(e,4,a-i*o);else{a*=Math.pow(2,32),a+=t.readUint32(e,8),a-=i*o;var n=Math.floor(a/(j+1)),s=Math.floor(a%(j+1));t.writeUint32(e,4,n),t.writeUint32(e,8,s)}})})})},t.prototype.append=function(e,r,i,a){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,i,a,e)},t.prototype.destroy=function(){},t}(),W=K,V={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,i,a){if(!(r+24>e.length)){var n=this.parseHeader(e,r);if(n&&r+n.frameLength>3&3,i=t[e+1]>>1&3,a=t[e+2]>>4&15;,n=t[e+2]>>2&3,o=!!(2&t[e+2]);if(1!==r&&0!==a&&15;!==a&&3!==n){var s=3===r?3-i:3===i?3:4,l=1e3*V.BitratesMap[14*s+a-1],u=3===r?0:2===r?1:2,d=V.SamplingRateMap[3*u+n],h=o?1:0;return{sampleRate:d,channelCount:t[e+3]>>6==3?1:2,frameLength:3===i?(3===r?12:6)*l/d+h<<2:(3===r?144:72)*l/d+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),i=4;r&&r.frameLength&&(i=r.frameLength);var a=e+i;if(a===t.length||a+1t?(this.word<>3,t-=e>>3,this.bytesAvailable-=e,this.loadWord(),this.word<>>32-e;return t>32&&N.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=e,this.bitsAvailable>0?this.word<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>>t))return this.word<>>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,i=8,a=8;for(e=0;e<t;e++)0!==a&&(r=this.readEG(),a=(i+r+256)%6),i=0===a?i:a},t.prototype.readSPS=function(){var t,e,r,i,a,n,o,s=0,l=0,u=0,d=0,h=this.readUByte.bind(this),c=this.readBits.bind(this),f=this.readUEG.bind(this),p=this.readBoolean.bind(this),g=this.skipBits.bind(this),v=this.skipEG.bind(this),y=this.skipUEG.bind(this),m=this.skipScalingList.bind(this);if(h(),t=h(),c(5),g(3),h(),y(),100===t||110===t||122===t||244===t||44===t||83===t||86===t||118===t||128===t){var b=f();if(3===b&&g(1),y(),y(),g(1),p())for(n=3!==b?8:12,o=0;o<n;o++)p()&&m(o<6?16:64)}y();var E=f();if(0===E)f();else if(1===E)for(g(1),v(),v(),e=f(),o=0;o<e;o++)v();y(),g(1),r=f(),i=f(),a=c(1),0===a&&g(1),g(1),p()&&(s=f(),l=f(),u=f(),d=f());var T=[1,1];if(p()&&p()){switch(h()){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:T=[h()<<8|h(),h()<=t.length)return void r();if(!(t[e].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(t,e,r,i),!i)return}}},t.prototype.getAvcEncryptedData=function(t){for(var e=16*Math.floor((t.length-48)/160)+16,r=new Int8Array(e),i=0,a=32;a<=t.length-16;a+=160,i+=16)r.set(t.subarray(a,a+16),i);return r},t.prototype.getAvcDecryptedUnit=function(t,e){e=new Uint8Array(e);for(var r=0,i=32;i=t.length)return void i();for(var a=t[e].units;!(r>=a.length);r++){var n=a[r];if(!(n.length=564&&71;===t[0]&&71;===t[188]&&71;===t[376]},t.prototype.resetInitSegment=function(t,e,r,i){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:i,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=i},t.prototype.resetTimeStamp=function(){},t.prototype.append=function(t,e,r,i){var a,n,o,s,l,u=t.length,d=!1;this.contiguous=r;var h=this.pmtParsed,c=this._avcTrack,f=this._audioTrack,p=this._id3Track,g=c.id,v=f.id,y=p.id,m=this._pmtId,b=c.pesData,E=f.pesData,T=p.pesData,R=this._parsePAT,S=this._parsePMT,A=this._parsePES,_=this._parseAVCPES.bind(this),L=this._parseAACPES.bind(this),w=this._parseMPEGPES.bind(this),I=this._parseID3PES.bind(this);for(u-=u8,a=0;a<u;a+=188)if(71===t[a]){if(n=!!(64&t[a+1]),o=((31&t[a+1])<>4>1){if((s=a+5+t[a+4])===a+188)continue}else s=a+4;switch(o){case g:n&&(b&&(l=A(b))&&_(l,!1),b={data:[],size:0}),b&&(b.data.push(t.subarray(s,a+188)),b.size+=a+188-s);break;case v:n&&(E&&(l=A(E))&&(f.isAAC?L(l):w(l)),E={data:[],size:0}),E&&(E.data.push(t.subarray(s,a+188)),E.size+=a+188-s);break;case y:n&&(T&&(l=A(T))&&I(l),T={data:[],size:0}),T&&(T.data.push(t.subarray(s,a+188)),T.size+=a+188-s);break;case 0:n&&(s+=t[s]+1),m=this._pmtId=R(t,s);break;case m:n&&(s+=t[s]+1);var O=S(t,s,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);g=O.avc,g>0&&(c.id=g),v=O.audio,v>0&&(f.id=v,f.isAAC=O.isAAC),y=O.id3,y>0&&(p.id=y),d&&!h&&(N.b.log("reparse from beginning"),d=!1,a=-188),h=this.pmtParsed=!0;break;case 17:case 8191:break;default:d=!0}}else this.observer.trigger(D.a.ERROR,{type:k.b.MEDIA_ERROR,details:k.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});b&&(l=A(b))?(_(l,!0),c.pesData=null):c.pesData=b,E&&(l=A(E))?(f.isAAC?L(l):w(l),f.pesData=null):(E&&E.size&&N.b.log("last AAC PES packet truncated,might overlap between fragments"),f.pesData=E),T&&(l=A(T))?(I(l),p.pesData=null):p.pesData=T,null==this.sampleAes?this.remuxer.remux(f,c,p,this._txtTrack,e,r,i):this.decryptAndRemux(f,c,p,this._txtTrack,e,r,i)},t.prototype.decryptAndRemux=function(t,e,r,i,a,n,o){if(t.samples&&t.isAAC){var s=this;this.sampleAes.decryptAacSamples(t.samples,0,function(){s.decryptAndRemuxAvc(t,e,r,i,a,n,o)})}else this.decryptAndRemuxAvc(t,e,r,i,a,n,o)},t.prototype.decryptAndRemuxAvc=function(t,e,r,i,a,n,o){if(e.samples){var s=this;this.sampleAes.decryptAvcSamples(e.samples,0,0,function(){s.remuxer.remux(t,e,r,i,a,n,o)})}else this.remuxer.remux(t,e,r,i,a,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,i){var a,n,o,s,l={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=(15&t[e+1])<<8|t[e+2],n=e+3+a-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(!i){N.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(!i){N.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):N.b.log("MPEG audio found, not supported in this browser for now");break;case 36:N.b.warn("HEVC stream type found, not supported for now");break;default:N.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,i,a,n,o,s,l,u=0,d=t.data;if(!t||0===t.size)return null;for(;d[0].length1;){var h=new Uint8Array(d[0].length+d[1].length);h.set(d[0]),h.set(d[1],d[0].length),d[0]=h,d.splice(1,1)}if(e=d[0],1===(e[0]<<16)+(e[1]<<8)+e[2]){if((i=(e[4]<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&&(N.b.warn(Math.round((o-s)/9e4)+"s delta between PTS and DTS, align them"),o=s)):s=o),a=e[8],l=a+9,t.size-=l,n=new Uint8Array(t.size);for(var c=0,f=d.length;cp){l-=p;continue}e=e.subarray(l),p-=l,l=0}n.set(e,u),u+=p}return i&&(i-=a+3),{data:n,pts:o,dts:s,len:i}}return null},t.prototype.pushAccesUnit=function(t,e){if(t.units.length&&t.frame){var r=e.samples,i=r.length;!this.config.forceKeyFrameOnDiscontinuity||!0===t.key||e.sps&&(i||this.contiguous)?(t.id=i,r.push(t)):e.dropped++}t.debug.length&&N.b.log(t.pts+"/"+t.dts+":"+t.debug)},t.prototype._parseAVCPES=function(t,e){var r,i,a,n=this,o=this._avcTrack,s=this._parseAVCNALu(t.data),l=this.avcSample,u=!1,d=this.pushAccesUnit.bind(this),h=function(t,e,r,i){return{key:t,pts:e,dts:r,units:[],debug:i}};t.data=null,l&&s.length&&(d(l,o),l=this.avcSample=h(!1,t.pts,t.dts,"")),s.forEach(function(e){switch(e.type){case 1:i=!0,l.frame=!0;var s=e.data;if(u&&s.length>4){var c=new z(s).readSliceType();2!==c&&4!==c&&7!==c&&9!==c||(l.key=!0)}break;case 5:i=!0,l||(l=n.avcSample=h(!0,t.pts,t.dts,"")),l.key=!0,l.frame=!0;break;case 6:i=!0,r=new z(n.discardEPB(e.data)),r.readUByte();for(var f=0,p=0,g=!1,v=0;!g&&r.bytesAvailable>1;){f=0;do{v=r.readUByte(),f+=v}while(255===v);p=0;do{v=r.readUByte(),p+=v}while(255===v);if(4===f&&0!==r.bytesAvailable){g=!0;if(181===r.readUByte()){if(49===r.readUShort()){if(1195456820===r.readUInt()){if(3===r.readUByte()){var y=r.readUByte(),m=r.readUByte(),b=31&y,E=[y,m];for(a=0;a<b;a++)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(a=0;a<p;a++)r.readUByte()}break;case 7:if(i=!0,u=!0,!o.sps){r=new z(e.data);var T=r.readSPS();o.width=T.width,o.height=T.height,o.pixelRatio=T.pixelRatio,o.sps=[e.data],o.duration=n._duration;var R=e.data.subarray(1,4),S="avc1.";for(a=0;a<3;a++){var A=R[a].toString(16);A.length0){if(e.pts>=t[r-1].pts)t.push(e);else for(var i=r-1;i>=0;i--)if(e.pts<t[i].pts){t.splice(i,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,i=r.samples;t=i[i.length-1]}if(t){var a=t.units;e=a[a.length-1]}return e},t.prototype._parseAVCNALu=function(t){var e,r,i,a,n,o=0,s=t.byteLength,l=this._avcTrack,u=l.naluState||0,d=u,h=[],c=-1;for(-1===u&&(c=0,n=31&t[0],u=0,o=1);o=0)i={data:t.subarray(c,o-u-1),type:n},h.push(i);else{var f=this._getLastNalUnit();if(f&&(d&&o0)){var p=new Uint8Array(f.data.byteLength+r);p.set(f.data,0),p.set(t.subarray(0,r),f.data.byteLength),f.data=p}}o=0&&u>=0&&(i={data:t.subarray(c,s),type:n,state:u},h.push(i)),0===h.length){var g=this._getLastNalUnit();if(g){var v=new Uint8Array(g.data.byteLength+t.byteLength);v.set(g.data,0),v.set(t,g.data.byteLength),g.data=v}}return l.naluState=u,h},t.prototype.discardEPB=function(t){for(var e,r,i=t.byteLength,a=[],n=1;n<i-2;)0===t[n]&&0===t[n+1]&&3===t[n+2]?(a.push(n+2),n+=2):n++;if(0===a.length)return t;e=i-a.length,r=new Uint8Array(e);var o=0;for(n=0;n<e;o++,n++)o===a[0]&&(o++,a.shift()),r[n]=t[o];return r},t.prototype._parseAACPES=function(t){var e,r,i,a,n,o=this._audioTrack,s=t.data,l=t.pts,u=this.aacOverFlow,d=this.aacLastPTS;if(u){var c=new Uint8Array(u.byteLength+s.byteLength);c.set(u,0),c.set(s,u.byteLength),s=c}for(i=0,n=s.length;i<n-1&&!h(s,i);i++);if(i){var g,y;if(i1&&(N.b.log("AAC: align PTS for overlapping frames by "+Math.round((m-l)/90)),l=m)}for(;i<n;)if(h(s,i)&&i+5<n){var b=v(o,s,i,l,r);if(!b)break;i+=b.length,a=b.sample.pts,r++}else i++;u=i<n?s.subarray(i,n):null,this.aacOverFlow=u,this.aacLastPTS=a},t.prototype._parseMPEGPES=function(t){for(var e=t.data,r=e.length,i=0,a=0,n=t.pts;a<r;)if(Y.isHeader(e,a)){var o=Y.appendFrame(this._audioTrack,e,a,n,i);if(!o)break;a+=o.length,i++}else a++},t.prototype._parseID3PES=function(t){this._id3Track.samples.push(t)},t}(),$=J,Z=function(){function t(e,r,i){R(this,t),this.observer=e,this.config=i,this.remuxer=r}return t.prototype.resetInitSegment=function(t,e,r,i){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:e,duration:i,inputTimeScale:9e4}},t.prototype.resetTimeStamp=function(){},t.probe=function(t){var e,r,i=B.a.getID3Data(t,0);if(i&&void; 0!==B.a.getTimeStamp(i))for(e=i.length,r=Math.min(t.length-1,e+100);e<r;e++)if(Y.probe(t,e))return N.b.log("MPEG Audio sync word found !"),!0;return!1},t.prototype.append=function(t,e,r,i){for(var a=B.a.getID3Data(t,0),n=90*B.a.getTimeStamp(a),o=a.length,s=t.length,l=0,u=0,d=this._audioTrack,h=[{pts:n,dts:n,data:a}];o>24&255;,e[1]=i>>16&255;,e[2]=i>>8&255;,e[3]=255&i,e.set(t,4),a=0,i=8;a>24&255;,e>>16&255;,e>>8&255;,255&e,i>>24,i>>16&255;,i>>8&255;,255&i,a>>24,a>>16&255;,a>>8&255;,255&a,85,196,0,0]))},t.mdia=function(e){return t.box(t.types.mdia,t.mdhd(e.timescale,e.duration),t.hdlr(e.type),t.minf(e))},t.mfhd=function(e){return t.box(t.types.mfhd,new Uint8Array([0,0,0,0,e>>24,e>>16&255;,e>>8&255;,255&e]))},t.minf=function(e){return"audio"===e.type?t.box(t.types.minf,t.box(t.types.smhd,t.SMHD),t.DINF,t.stbl(e)):t.box(t.types.minf,t.box(t.types.vmhd,t.VMHD),t.DINF,t.stbl(e))},t.moof=function(e,r,i){return t.box(t.types.moof,t.mfhd(e),t.traf(i,r))},t.moov=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trak(e[r]);return t.box.apply(null,[t.types.moov,t.mvhd(e[0].timescale,e[0].duration)].concat(i).concat(t.mvex(e)))},t.mvex=function(e){for(var r=e.length,i=[];r--;)i[r]=t.trex(e[r]);return t.box.apply(null,[t.types.mvex].concat(i))},t.mvhd=function(e,r){r*=e;var i=Math.floor(r/(it+1)),a=Math.floor(r%(it+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,e>>24&255;,e>>16&255;,e>>8&255;,255&e,i>>24,i>>16&255;,i>>8&255;,255&i,a>>24,a>>16&255;,a>>8&255;,255&a,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return t.box(t.types.mvhd,n)},t.sdtp=function(e){var r,i,a=e.samples||[],n=new Uint8Array(4+a.length);for(i=0;i<a.length;i++)r=a[i].flags,n[i+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,i,a,n=[],o=[];for(r=0;r>>8&255;),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255;),o.push(255&a),o=o.concat(Array.prototype.slice.call(i));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,u=e.height,d=e.pixelRatio[0],h=e.pixelRatio[1];return t.box(t.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255;,255&l,u>>8&255;,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),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([d>>24,d>>16&255;,d>>8&255;,255&d,h>>24,h>>16&255;,h>>8&255;,255&h])))},t.esds=function(t){var e=t.config.length;return new Uint8Array([0,0,0,0,3,23+e,0,1,0,4,15+e,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([e]).concat(t.config).concat([6,1,2]))},t.mp4a=function(e){var r=e.samplerate;return t.box(t.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255;,255&r,0,0]),t.box(t.types.esds,t.esds(e)))},t.mp3=function(e){var r=e.samplerate;return t.box(t.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount,0,16,0,0,0,0,r>>8&255;,255&r,0,0]))},t.stsd=function(e){return"audio"===e.type?e.isAAC||"mp3"!==e.codec?t.box(t.types.stsd,t.STSD,t.mp4a(e)):t.box(t.types.stsd,t.STSD,t.mp3(e)):t.box(t.types.stsd,t.STSD,t.avc1(e))},t.tkhd=function(e){var r=e.id,i=e.duration*e.timescale,a=e.width,n=e.height,o=Math.floor(i/(it+1)),s=Math.floor(i%(it+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,a>>8&255;,255&a,0,0,n>>8&255;,255&n,0,0]))},t.traf=function(e,r){var i=t.sdtp(e),a=e.id,n=Math.floor(r/(it+1)),o=Math.floor(r%(it+1));return t.box(t.types.traf,t.box(t.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255;,a>>8&255;,255&a])),t.box(t.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255;,n>>8&255;,255&n,o>>24,o>>16&255;,o>>8&255;,255&o])),t.trun(e,i.length+16+20+8+16+8+8),i)},t.trak=function(e){return e.duration=e.duration||4294967295,t.box(t.types.trak,t.tkhd(e),t.mdia(e))},t.trex=function(e){var r=e.id;return t.box(t.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255;,r>>8&255;,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},t.trun=function(e,r){var i,a,n,o,s,l,u=e.samples||[],d=u.length,h=12+16*d,c=new Uint8Array(h);for(r+=8+h,c.set([0,0,15,1,d>>>24&255;,d>>>16&255;,d>>>8&255;,255&d,r>>>24&255;,r>>>16&255;,r>>>8&255;,255&r],0),i=0;i>>24&255;,n>>>16&255;,n>>>8&255;,255&n,o>>>24&255;,o>>>16&255;,o>>>8&255;,255&o,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.paddingValue<>>24&255;,l>>>16&255;,l>>>8&255;,255&l],12+16*i);return t.box(t.types.trun,c)},t.initSegment=function(e){t.types||t.init();var r,i=t.moov(e);return r=new Uint8Array(t.FTYP.byteLength+i.byteLength),r.set(t.FTYP),r.set(i,t.FTYP.byteLength),r},t}(),nt=at,ot=function(){function t(e,r,i,a){_(this,t),this.observer=e,this.config=r,this.typeSupported=i;var n=navigator.userAgent;this.isSafari=a&&a.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,i,a,n,o){if(this.ISGenerated){if(o){var s=this._initPTS,l=this._PTSNormalize,u=t.inputTimeScale||e.inputTimeScale,d=1/0,h=1/0,c=t.samples;if(c.length&&(d=h=l(c[0].pts-u*a,s)),c=e.samples,c.length){var f=c[0];d=Math.min(d,l(f.pts-u*a,s)),h=Math.min(h,l(f.dts-u*a,s))}if(d!==1/0){var p=s-d;Math.abs(p)>10*u&&(N.b.warn("timestamp inconsistency, "+(p/u).toFixed(3)+"s delta against expected value: missing discontinuity ? reset initPTS/initDTS"),this._initPTS=d,this._initDTS=h,this.observer.trigger(D.a.INIT_PTS_FOUND,{initPTS:d}))}}}else this.generateIS(t,e,a);if(this.ISGenerated)if(t.samples.length){t.timescale||(N.b.warn("regenerate InitSegment as audio detected"),this.generateIS(t,e,a));var g=this.remuxAudio(t,a,n,o);if(e.samples.length){var v=void 0;g&&(v=g.endPTS-g.startPTS),e.timescale||(N.b.warn("regenerate InitSegment as video detected"),this.generateIS(t,e,a)),this.remuxVideo(e,a,n,v,o)}}else{var y=void 0;e.samples.length&&(y=this.remuxVideo(e,a,n,o)),y&&t.codec&&this;.remuxEmptyAudio(t,a,n,y)}r.samples.length&&this;.remuxID3(r,a),i.samples.length&&this;.remuxText(i,a),this.observer.trigger(D.a.FRAG_PARSED)},t.prototype.generateIS=function(t,e,r){var i,a,n=this.observer,o=t.samples,s=e.samples,l=this.typeSupported,u="audio/mp4",d={},h={tracks:d},c=void 0===this._initPTS;if(c&&(i=a=1/0),t.config&&o.length&&(t.timescale=t.samplerate,N.b.log("audio sampling rate : "+t.samplerate),t.isAAC||(l.mpeg?(u="audio/mpeg",t.codec=""):l.mp3&&(t.codec="mp3")),d.audio={container:u,codec:t.codec,initSegment:!t.isAAC&&l.mpeg?new Uint8Array:nt.initSegment([t]),metadata:{channelCount:t.channelCount}},c&&(i=a=o[0].pts-t.inputTimeScale*r)),e.sps&&e.pps&&s.length){var f=e.inputTimeScale;e.timescale=f,d.video={container:"video/mp4",codec:e.codec,initSegment:nt.initSegment([e]),metadata:{width:e.width,height:e.height}},c&&(i=Math.min(i,s[0].pts-f*r),a=Math.min(a,s[0].dts-f*r),this.observer.trigger(D.a.INIT_PTS_FOUND,{initPTS:i}))}Object.keys(d).length?(n.trigger(D.a.FRAG_PARSING_INIT_SEGMENT,h),this.ISGenerated=!0,c&&(this._initPTS=i,this._initDTS=a)):n.trigger(D.a.ERROR,{type:k.b.MEDIA_ERROR,details:k.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.prototype.remuxVideo=function(t,e,r,i,a){var n,o,s,l,u,d,h,c=8,f=t.timescale,p=t.samples,g=[],v=p.length,y=this._PTSNormalize,m=this._initDTS,b=this.nextAvcDts,E=this.isSafari;E&&(r|=p.length&&b&&(a&&Math;.abs(e-b/f)<.1||Math.abs(p[0].pts-b-m)<f/5)),r||(b=e*f),p.forEach(function(t){t.pts=y(t.pts-m,b),t.dts=y(t.dts-m,b)}),p.sort(function(t,e){var r=t.dts-e.dts,i=t.pts-e.pts;return r||(i||t.id-e.id)});var T=p.reduce(function(t,e){return Math.max(Math.min(t,e.pts-e.dts),-18e3)},0);if(T<0){N.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Math.round(T/90)+" ms to overcome this issue");for(var R=0;R1?N.b.log("AVC:"+A+" ms hole between fragments detected,filling it"):A<-1&&N.b.log("AVC:"+-A+" ms overlapping between fragments detected"),u=b,p[0].dts=u,l=Math.max(l-A,b),p[0].pts=l,N.b.log("Video/PTS/DTS adjusted: "+Math.round(l/90)+"/"+Math.round(u/90)+",delta:"+A+" ms")),S=p[p.length-1],h=Math.max(S.dts,0),d=Math.max(S.pts,0,h),E&&(n=Math.round((h-u)/(p.length-1)));for(var _=0,L=0,w=0;w<v;w++){for(var I=p[w],O=I.units,C=O.length,P=0,x=0;x<C;x++)P+=O[x].data.length;L+=P,_+=C,I.length=P,I.dts=E?u+w*n:Math.max(I.dts,u),I.pts=Math.max(I.pts,I.dts)}var F=L+4*_+8;try{o=new Uint8Array(F)}catch(t){return void this.observer.trigger(D.a.ERROR,{type:k.b.MUX_ERROR,details:k.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:F,reason:"fail allocating video mdat "+F})}var M=new DataView(o.buffer);M.setUint32(0,F),o.set(nt.types.mdat,4);for(var U=0;U<v;U++){for(var B=p[U],G=B.units,H=0,j=void 0,K=0,W=G.length;K<W;K++){var V=G[K],Y=V.data,X=V.data.byteLength;M.setUint32(c,X),c+=4,o.set(Y,c),c+=X,H+=4+X}if(E)j=Math.max(0,n*Math.round((B.pts-B.dts)/n));else{if(U0?U-1:U].dts;if(z.stretchShortVideoTrack){var Q=z.maxBufferHole,J=z.maxSeekHole,$=Math.floor(Math.min(Q,J)*f),Z=(i?l+i*f:this.nextAudioPts)-B.pts;Z>$?(n=Z-q,n-1){var et=g[0].flags;et.dependsOn=2,et.isNonSync=0}t.samples=g,s=nt.moof(t.sequenceNumber++,u,t),t.samples=[];var rt={data1:s,data2:o,startPTS:l/f,endPTS:(d+n)/f,startDTS:u/f,endDTS:this.nextAvcDts/f,type:"video",nb:g.length,dropped:tt};return this.observer.trigger(D.a.FRAG_PARSING_DATA,rt),rt},t.prototype.remuxAudio=function(t,e,r,i){var a,n,o,s,l,u,d,h=t.inputTimeScale,c=t.timescale,f=h/c,p=t.isAAC?1024:1152,g=p*f,v=this._PTSNormalize,y=this._initDTS,m=!t.isAAC&&this;.typeSupported.mpeg,b=t.samples,E=[],T=this.nextAudioPts;if(r|=b.length&&T&&(i&&Math;.abs(e-T/h)<.1||Math.abs(b[0].pts-T-y)<20*g),r||(T=e*h),b.forEach(function(t){t.pts=t.dts=v(t.pts-y,T)}),b.sort(function(t,e){return t.pts-e.pts}),i&&t.isAAC)for(var R=0,S=T;R<b.length;){var A,_=b[R],L=_.pts;A=L-S;var w=Math.abs(1e3*A/h);if(A=g&&w<1e4&&S){var I=Math.round(A/g);N.b.warn("Injecting "+I+" audio frame @ "+(S/h).toFixed(3)+"s due to "+Math.round(1e3*A/h)+" ms gap.");for(var O=0;O<I;O++){var C=Math.max(S,0);o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(N.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=_.unit.subarray()),b.splice(R,0,{unit:o,pts:C,dts:C}),t.len+=o.length,S+=g,R++}_.pts=_.dts=S,S+=g,R++}else Math.abs(A),_.pts=_.dts=S,S+=g,R++}for(var P=0,x=b.length;P0&&B0&&(o=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount),o||(o=M.subarray()),t.len+=G*o.length);else if(B0))return;var H=m?t.len:t.len+8;a=m?0:8;try{s=new Uint8Array(H)}catch(t){return void this.observer.trigger(D.a.ERROR,{type:k.b.MUX_ERROR,details:k.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:H,reason:"fail allocating audio mdat "+H})}if(!m){new DataView(s.buffer).setUint32(0,H),s.set(nt.types.mdat,4)}for(var j=0;j=2&&(W=E[V-2].duration,n.duration=W),V){this.nextAudioPts=T=d+f*W,t.len=0,t.samples=E,l=m?new Uint8Array:nt.moof(t.sequenceNumber++,u/f,t),t.samples=[];var Y=u/h,X=T/h,z={data1:l,data2:s,startPTS:Y,endPTS:X,startDTS:Y,endDTS:X,type:"audio",nb:V};return this.observer.trigger(D.a.FRAG_PARSING_DATA,z),z}return null},t.prototype.remuxEmptyAudio=function(t,e,r,i){var a=t.inputTimeScale,n=t.samplerate?t.samplerate:a,o=a/n,s=this.nextAudioPts,l=(void 0!==s?s:i.startDTS*a)+this._initDTS,u=i.endDTS*a+this._initDTS,d=1024*o,h=Math.ceil((u-l)/d),c=rt.getSilentFrame(t.manifestCodec||t.codec,t.channelCount);if(N.b.warn("remux empty Audio"),!c)return void N.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");for(var f=[],p=0;p<h;p++){var g=l+p*d;f.push({unit:c,pts:g,dts:g}),t.len+=c.length}t.samples=f,this.remuxAudio(t,e,r)},t.prototype.remuxID3=function(t,e){var r,i=t.samples.length,a=t.inputTimeScale,n=this._initPTS,o=this._initDTS;if(i){for(var s=0;s<i;s++)r=t.samples[s],r.pts=(r.pts-n)/a,r.dts=(r.dts-o)/a;this.observer.trigger(D.a.FRAG_PARSING_METADATA,{samples:t.samples})}t.samples=[],e=e},t.prototype.remuxText=function(t,e){t.samples.sort(function(t,e){return t.pts-e.pts});var r,i=t.samples.length,a=t.inputTimeScale,n=this._initPTS;if(i){for(var o=0;o<i;o++)r=t.samples[o],r.pts=(r.pts-n)/a;this.observer.trigger(D.a.FRAG_PARSING_USERDATA,{samples:t.samples})}t.samples=[],e=e},t.prototype._PTSNormalize=function(t,e){var r;if(void 0===e)return t;for(r=e4294967296;)t+=r;return t},t}(),st=ot,lt=function(){function t(e){L(this,t),this.observer=e}return t.prototype.destroy=function(){},t.prototype.resetTimeStamp=function(){},t.prototype.resetInitSegment=function(){},t.prototype.remux=function(t,e,r,i,a,n,o,s){var l=this.observer,u="";t&&(u+="audio"),e&&(u+="video"),l.trigger(D.a.FRAG_PARSING_DATA,{data1:s,startPTS:a,startDTS:a,type:u,nb:1,dropped:0}),l.trigger(D.a.FRAG_PARSED)},t}(),ut=lt,dt=function(){function t(e,r,i,a){w(this,t),this.observer=e,this.typeSupported=r,this.config=i,this.vendor=a}return t.prototype.destroy=function(){var t=this.demuxer;t&&t.destroy()},t.prototype.push=function(t,e,r,i,a,n,o,s,l,u,d,h){if(t.byteLength>0&&null;!=e&&null;!=e.key&&"AES-128"===e.method){var c=this.decrypter;null==c&&(c=this.decrypter=new U(this.observer,this.config));var f,p=this;try{f=performance.now()}catch(t){f=Date.now()}c.decrypt(t,e.key.buffer,e.iv.buffer,function(t){var c;try{c=performance.now()}catch(t){c=Date.now()}p.observer.trigger(D.a.FRAG_DECRYPTED,{stats:{tstart:f,tdecrypt:c}}),p.pushDecrypted(new Uint8Array(t),e,new Uint8Array(r),i,a,n,o,s,l,u,d,h)})}else this.pushDecrypted(new Uint8Array(t),e,new Uint8Array(r),i,a,n,o,s,l,u,d,h)},t.prototype.pushDecrypted=function(t,e,r,i,a,n,o,s,l,u,d,h){var c=this.demuxer;if(!c||o&&!this.probe(t)){for(var f=this.observer,p=this.typeSupported,g=this.config,v=[{demux:$,remux:st},{demux:H,remux:st},{demux:tt,remux:st},{demux:W,remux:ut}],y=0,m=v.length;ye?i.start+i.duration:Math.max(i.start-a.duration,0):r>e?(i.duration=n-i.start,i.duration<0&&wt;.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):(a.duration=i.start-n,a.duration<0&&wt;.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!"))}function v(t,e,r,i,a,n){if(!isNaN(e.startPTS)){var o=Math.abs(e.startPTS-r);isNaN(e.deltaPTS)?e.deltaPTS=o:e.deltaPTS=Math.max(o,e.deltaPTS),r=Math.min(r,e.startPTS),i=Math.max(i,e.endPTS),a=Math.min(a,e.startDTS),n=Math.max(n,e.endDTS)}var s=r-e.start;e.start=e.startPTS=r,e.endPTS=i,e.startDTS=a,e.endDTS=n,e.duration=i-r;var l=e.sn;if(!t||lt.endSN)return 0;var u,d,h;for(u=l-t.startSN,d=t.fragments,e=d[u],h=u;h>0;h--)g(d,h,h-1);for(h=u;h<d.length-1;h++)g(d,h,h+1);return t.PTSKnown=!0,s}function y(t,e){var r,i=Math.max(t.startSN,e.startSN)-e.startSN,a=Math.min(t.endSN,e.endSN)-e.startSN,n=e.startSN-t.startSN,o=t.fragments,s=e.fragments,l=0;if(a<i)return void(e.PTSKnown=!1);for(var u=i;u<=a;u++){var d=o[n+u],h=s[u];h&&d&&(l=d.cc-h.cc,isNaN(d.startPTS)||(h.start=h.startPTS=d.startPTS,h.endPTS=d.endPTS,h.duration=d.duration,h.backtracked=d.backtracked,h.dropped=d.dropped,r=h))}if(l)for(wt.b.log("discontinuity sliding from playlist, take drift into account"),u=0;u=0&&n<o.length){var c=o[n].start;for(u=0;u<s.length;u++)s[u].start+=c}e.PTSKnown=t.PTSKnown}function m(t,