|
|
|
this.nextLoadPosition=this.startPosition),this.state===e.WAITING_LEVEL&&(this.state=e.IDLE),this.tick()}},{key:"onKeyLoaded",value:function(){this.state===e.KEY_LOADING&&(this.state=e.IDLE,this.tick())}},{key:"onFragLoaded",value:function(a){var n=this.fragCurrent;if(this.state===e.FRAG_LOADING&&n&&a.frag.level===n.level&&a.frag.sn===n.sn)if(this.fragBitrateTest===!0)this.state=e.IDLE,this.fragBitrateTest=!1,a.stats.tparsed=a.stats.tbuffered=performance.now(),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:a.stats,frag:n});else{this.state=e.PARSING,this.stats=a.stats;var s=this.levels[this.level],o=s.details,d=o.totalduration,f=n.start,l=n.level,u=n.sn,i=s.audioCodec||this.config.defaultAudioCodec;this.audioCodecSwap&&(t.logger.log("swapping playlist audio codec"),void 0===i&&(i=this.lastAudioCodec),i&&(i=-1!==i.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),this.pendingAppending=0,t.logger.log("Demuxing "+u+" of ["+o.startSN+" ,"+o.endSN+"],level "+l),this.demuxer.push(a.payload,i,s.videoCodec,f,n.cc,l,u,d,n.decryptdata)}this.fragLoadError=0}},{key:"onFragParsingInitSegment",value:function(l){if(this.state===e.PARSING){var s,n,a=l.tracks;if(n=a.audio){var o=this.levels[this.level].audioCodec;if(o&&this.audioCodecSwap&&(t.logger.log("swapping playlist audio codec"),o=-1!==o.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch){var u=navigator.userAgent.toLowerCase();1!==n.metadata.channelCount&&-1===u.indexOf("android")&&-1===u.indexOf("firefox")&&(o="mp4a.40.5")}n.levelCodec=o}if(n=a.video,n&&(n.levelCodec=this.levels[this.level].videoCodec),l.unique){var i={codec:"",levelCodec:""};for(s in l.tracks)n=a[s],i.container=n.container,i.codec&&(i.codec+=",",i.levelCodec+=","),n.codec&&(i.codec+=n.codec),n.levelCodec&&(i.levelCodec+=n.levelCodec);a={audiovideo:i}}this.hls.trigger(r.default.BUFFER_CODECS,a);for(s in a){n=a[s],t.logger.log("track:"+s+",container:"+n.container+",codecs[level/parsed]=["+n.levelCodec+"/"+n.codec+"]");var d=n.initSegment;d&&(this.pendingAppending++,this.hls.trigger(r.default.BUFFER_APPENDING,{type:s,data:d}))}this.tick()}}},{key:"onFragParsingData",value:function(n){var o=this;if(this.state===e.PARSING){this.tparse2=Date.now();var a=this.levels[this.level],i=this.fragCurrent;t.logger.log("parsed "+n.type+",PTS:["+n.startPTS.toFixed(3)+","+n.endPTS.toFixed(3)+"],DTS:["+n.startDTS.toFixed(3)+"/"+n.endDTS.toFixed(3)+"],nb:"+n.nb);var u=l.default.updateFragPTS(a.details,i.sn,n.startPTS,n.endPTS),s=this.hls;s.trigger(r.default.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:u}),[n.data1,n.data2].forEach(function(e){e&&(o.pendingAppending++,s.trigger(r.default.BUFFER_APPENDING,{type:n.type,data:e}))}),this.nextLoadPosition=n.endPTS,this.bufferRange.push({type:n.type,start:n.startPTS,end:n.endPTS,frag:i}),this.tick()}else t.logger.warn("not in PARSING state but "+this.state+", ignoring FRAG_PARSING_DATA event")}},{key:"onFragParsed",value:function(){this.state===e.PARSING&&(this.stats.tparsed=performance.now(),this.state=e.PARSED,this._checkAppendedParsed())}},{key:"onBufferAppended",value:function(){switch(this.state){case e.PARSING:case e.PARSED:this.pendingAppending--,this._checkAppendedParsed()}}},{key:"_checkAppendedParsed",value:function(){if(this.state===e.PARSED&&0===this.pendingAppending){var a=this.fragCurrent,n=this.stats;a&&(this.fragPrevious=a,n.tbuffered=performance.now(),this.fragLastKbps=Math.round(8*n.length/(n.tbuffered-n.tfirst)),this.hls.trigger(r.default.FRAG_BUFFERED,{stats:n,frag:a}),t.logger.log("media buffered : "+this.timeRangesToString(this.media.buffered)),this.state=e.IDLE),this.tick()}}},{key:"onError",value:function(a){switch(a.details){case n.ErrorDetails.FRAG_LOAD_ERROR:case n.ErrorDetails.FRAG_LOAD_TIMEOUT:if(!a.fatal){var i=this.fragLoadError;if(i?i++:i=1,i<=this.config.fragLoadingMaxRetry){this.fragLoadError=i,a.frag.loadCounter=0;var s=Math.min(Math.pow(2,i-1)*this.config.fragLoadingRetryDelay,64e3);t.logger.warn("mediaController: frag loading failed, retry in "+s+" ms"),this.retryDate=performance.now()+s,this.state=e.FRAG_LOADING_WAITING_RE
|
|
|
|
s={data:[],size:0}}s&&(s.data.push(n.subarray(a,t+188)),s.size+=t+188-a)}else if(u===f){if(d){if(o&&(this._parseAACPES(this._parsePES(o)),E&&this._aacTrack.codec&&(-1===h||this._avcTrack.codec)))return void this.remux(n);o={data:[],size:0}}o&&(o.data.push(n.subarray(a,t+188)),o.size+=t+188-a)}else u===g&&(d&&(l&&this._parseID3PES(this._parsePES(l)),l={data:[],size:0}),l&&(l.data.push(n.subarray(a,t+188)),l.size+=t+188-a));else d&&(a+=n[a]+1),0===u?this._parsePAT(n,a):u===this._pmtId&&(this._parsePMT(n,a),v=this.pmtParsed=!0,h=this._avcTrack.id,f=this._aacTrack.id,g=this._id3Track.id)}else this.observer.trigger(i.default.ERROR,{type:r.ErrorTypes.MEDIA_ERROR,details:r.ErrorDetails.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});s&&this._parseAVCPES(this._parsePES(s)),o&&this._parseAACPES(this._parsePES(o)),l&&this._parseID3PES(this._parsePES(l)),this.remux(null)}},{key:"remux",value:function(e){this.remuxer.remux(this._aacTrack,this._avcTrack,this._id3Track,this._txtTrack,this.timeOffset,this.contiguous,e)}},{key:"destroy",value:function(){this.switchLevel(),this._initPTS=this._initDTS=void 0,this._duration=0}},{key:"_parsePAT",value:function(e,t){this._pmtId=(31&e[t+10])<<8|e[t+11]}},{key:"_parsePMT",value:function(r,t){var a,i,s,n;for(a=(15&r[t+1])<<8|r[t+2],i=t+3+a-4,s=(15&r[t+10])<<8|r[t+11],t+=12+s;i>t;){switch(n=(31&r[t+1])<<8|r[t+2],r[t]){case 15:this._aacTrack.id=n;break;case 21:this._id3Track.id=n;break;case 27:this._avcTrack.id=n;break;default:e.logger.log("unkown stream type:"+r[t])}t+=((15&r[t+3])<<8|r[t+4])+5}}},{key:"_parsePES",value:function(o){var e,i,h,d,u,l,n,r,t,f=0,s=o.data;if(e=s[0],h=(e[0]<<16)+(e[1]<<8)+e[2],1===h){for(d=(e[4]<<8)+e[5],i=e[7],192&i&&(n=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,n>4294967295&&(n-=8589934592),64&i?(r=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,r>4294967295&&(r-=8589934592)):r=n),u=e[8],t=u+9,o.size-=t,l=new Uint8Array(o.size);s.length;){e=s.shift();var a=e.byteLength;if(t){if(t>a){t-=a;continue}e=e.subarray(t),a-=t,t=0}l.set(e,f),f+=a}return{data:l,pts:n,dts:r,len:d}}return null}},{key:"_parseAVCPES",value:function(n){var t,y,i,l,f=this,r=this._avcTrack,u=r.samples,m=this._parseAVCNALu(n.data),d=[],o=!1,c=!1,g=0;if(0===m.length&&u.length>0){var v=u[u.length-1],h=v.units.units[v.units.units.length-1],p=new Uint8Array(h.data.byteLength+n.data.byteLength);p.set(h.data,0),p.set(n.data,h.data.byteLength),h.data=p,v.units.length+=n.data.byteLength,r.len+=n.data.byteLength}n.data=null;var a="";m.forEach(function(e){switch(e.type){case 1:i=!0,o&&(a+="NDR ");break;case 5:i=!0,o&&(a+="IDR "),c=!0;break;case 6:i=!0,o&&(a+="SEI "),t=new s.default(e.data),t.readUByte();var b=t.readUByte();if(4===b){var p=0;do p=t.readUByte();while(255===p);var R=t.readUByte();if(181===R){var _=t.readUShort();if(49===_){var A=t.readUInt();if(1195456820===A){var L=t.readUByte();if(3===L){var v=t.readUByte(),E=t.readUByte(),T=31&v,h=[v,E];for(l=0;T>l;l++)h.push(t.readUByte()),h.push(t.readUByte()),h.push(t.readUByte());f._txtTrack.samples.push({type:3,pts:n.pts,bytes:h})}}}}}break;case 7:if(i=!0,o&&(a+="SPS "),!r.sps){t=new s.default(e.data);var y=t.readSPS();r.width=y.width,r.height=y.height,r.sps=[e.data],r.timescale=f.remuxer.timescale,r.duration=f.remuxer.timescale*f._duration;var k=e.data.subarray(1,4),m="avc1.";for(l=0;3>l;l++){var u=k[l].toString(16);u.length<2&&(u="0"+u),m+=u}r.codec=m}break;case 8:i=!0,o&&(a+="PPS "),r.pps||(r.pps=[e.data]);break;case 9:i=!1,o&&(a+="AUD ");break;default:i=!1,a+="unknown NAL "+e.type+" "}i&&(d.push(e),g+=e.data.byteLength)}),(o||a.length)&&e.logger.log(a),d.length&&(c===!0||r.sps)&&(y={units:{units:d,length:g},pts:n.pts,dts:n.dts,key:c},u.push(y),r.len+=g,r.nbNalu+=d.length)}},{key:"_parseAVCNALu",value:function(r){for(var i,n,s,p,a,l,t=0,h=r.byteLength,e=0,d=[];h>t;)switch(i=r[t++],e){case 0:0===i&&(e=1);break;case 1:e=0===i?2:0;break;case 2:case 3:if(0===i)e=3;else if(1===i&&h>t){if(p=31&r[t],a)s={data:r.subarray(a,t-e-1),type:l},d.push(s);else
|
|
|
|
}},{key:"moof",value:function(t,r,n){return e.box(e.types.moof,e.mfhd(t),e.traf(n,r))}},{key:"moov",value:function(t){for(var r=t.length,n=[];r--;)n[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(n).concat(e.mvex(t)))}},{key:"mvex",value:function(r){for(var t=r.length,n=[];t--;)n[t]=e.trex(r[t]);return e.box.apply(null,[e.types.mvex].concat(n))}},{key:"mvhd",value:function(t,r){var n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,2,t>>24&255,t>>16&255,t>>8&255,255&t,r>>24&255,r>>16&255,r>>8&255,255&r,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,n)}},{key:"sdtp",value:function(i){var r,t,n=i.samples||[],a=new Uint8Array(4+n.length);for(t=0;t<n.length;t++)r=n[t].flags,a[t+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return e.box(e.types.sdtp,a)}},{key:"stbl",value:function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.STTS),e.box(e.types.stsc,e.STSC),e.box(e.types.stsz,e.STSZ),e.box(e.types.stco,e.STCO))}},{key:"avc1",value:function(t){var r,a,i,n=[],s=[];for(r=0;r<t.sps.length;r++)a=t.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<t.pps.length;r++)a=t.pps[r],i=a.byteLength,s.push(i>>>8&255),s.push(255&i),s=s.concat(Array.prototype.slice.call(a));var u=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),o=t.width,l=t.height;return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,o>>8&255,255&o,l>>8&255,255&l,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]),u,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])))}},{key:"esds",value: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]))}},{key:"mp4a",value:function(t){var r=t.audiosamplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))}},{key:"stsd",value:function(t){return"audio"===t.type?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))}},{key:"tkhd",value:function(t){var r=t.id,n=t.duration,a=t.width,i=t.height;return e.box(e.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,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,i>>8&255,255&i,0,0]))}},{key:"traf",value:function(n,t){var a=e.sdtp(n),r=n.id;return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r])),e.box(e.types.tfdt,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t])),e.trun(n,a.length+16+16+8+16+8+8),a)}},{key:"trak",value:function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))}},{key:"trex",value:function(r){var t=r.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}},{key:"trun",value:function(h,o){var n,a,i,s,t,l,d=h.samples||[],r=d.length,f=12+16*r,u=new Uint8Array(f);for(o+=8+f,u.set([0,0,15,1,r>>>24&255,r>>>16&255,r>>>8&255,255&r,o>>>24&255,o>>>16&255,o>>>8&255,255&o],0),n=0;r>n;n++)a=d[n],i=a.duration,s=a.size,t=a.flags,l=a.cts,u.set([i>>>24&255,i>>>16&255,i>>>8&255,255&i,s>>>24&255,s>>>16&255,s>>>8&255,255&s,t.isLeading<<2|t.dependsOn,t.isDependedOn<<6|t.hasRedundancy<<4|t.paddingValue<<1|t.isNonSync,61440&t.degradPrio,15&t.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*n);return e.box(e.types.trun,u)}},{key:"initSegment",value:function(n){e.types||e.init();var t,r=e.moov(n);return t=new Uint8Array(e.FTYP.byteLength+r.byteLength),t.set(e.FTYP),t.set(r,e.FTYP.byteLength),t}}]
|