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t=this;navigator.webkitPersistentStorage.requestQuota(this.rec_threshold_total,function(e){console.log("grantedBytes: "+e);if(e>0){window.webkitRequestFileSystem(window.PERSISTENT,e,function(e){t._fs=e;e.root.getDirectory("ax_video",{create:true},function(e){console.log("Directory: "+e.name+" exists or just created.");t.onRecordingProc()},t.errorHandler)})}else{if(t.rec_result_cb){t.rec_result_cb(false)}}})}},{key:"onMediaAttaching",value:function e(t){var r=this.mediaElement=t.media;this.mediaType=t.mediaType;this.websocketName=t.websocketName;this.channelName=t.channelName;if(r){var n=this.mediaSource=new MediaSource;this.onmso=this.onMediaSourceOpen.bind(this);this.onmse=this.onMediaSourceEnded.bind(this);this.onmsc=this.onMediaSourceClose.bind(this);n.addEventListener("sourceopen",this.onmso);n.addEventListener("sourceended",this.onmse);n.addEventListener("sourceclose",this.onmsc);r.src=URL.createObjectURL(n)}}},{key:"onMediaDetaching",value:function e(){}},{key:"onH264DataAppending",value:function e(t){if(!this.recording||!t.data)return;var r=this;var n=t.data;r.h264Frames.push(t.data);r.mediaSize+=n.length;if(r.mediaSize>=r.rec_threshold_single){if(r.rec_state_cb){r.rec_state_cb(false)}r.onRecordingStop();r.onRecordingStart();if(r.rec_state_cb){r.rec_state_cb(true)}}}},{key:"saveToMP4Blob",value:function e(t){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var n=this;var i=false;if(t.length>0){var o=r.width;var a=r.height;var s=w.createEncoder({width:o,height:a,hevc:i});t.forEach(function(e){s.addNalu(e)});var u=new Blob([s.end()]);n.writeMP4Data(u)}}},{key:"writeMP4Data",value:function e(t){var r=this;r._fs.root.getFile("ax_video/"+r.rec_file,{create:true},function(e){e.createWriter(function(e){e.onwriteend=function(e){};e.onerror=function(e){console.log("Write rec data failed: "+e.toString())};e.seek(e.length);e.write(t)},r.errorHandler)},r.errorHandler)}},{key:"onBufferAppending",value:function 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r=8,n=8,i,o;for(i=0;i<t;i++){if(n!==0){o=this.readEG();n=(r+o+256)%256}r=n===0?r:n}}},{key:"readSPS",value:function e(){var t=0,r=0,n=0,i=0,o=1,a,s,u,f,l,c,d,h,p;this.readUByte();a=this.readUByte();s=this.readBits(5);this.skipBits(3);u=this.readUByte();this.skipUEG();if(a===100||a===110||a===122||a===244||a===44||a===83||a===86||a===118||a===128){var v=this.readUEG();if(v===3){this.skipBits(1)}this.skipUEG();this.skipUEG();this.skipBits(1);if(this.readBoolean()){h=v!==3?8:12;for(p=0;p<h;p++){if(this.readBoolean()){if(p<6){this.skipScalingList(16)}else{this.skipScalingList(64)}}}}}this.skipUEG();var y=this.readUEG();if(y===0){this.readUEG()}else 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call a class as a function")}}function i(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||false;n.configurable=true;if("value"in n)n.writable=true;Object.defineProperty(e,n.key,n)}}function o(e,t,r){if(t)i(e.prototype,t);if(r)i(e,r);Object.defineProperty(e,"prototype",{writable:false});return e}var a=function(){function h(){n(this,h)}o(h,null,[{key:"init",value:function e(){h.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]};var t;for(t in h.types){if(h.types.hasOwnProperty(t)){h.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.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]);var n=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]);h.HDLR_TYPES={video:r,audio:n};var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]);var o=new Uint8Array([0,0,0,0,0,0,0,0]);h.STTS=h.STSC=h.STCO=o;h.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]);h.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]);h.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]);h.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var a=new Uint8Array([105,115,111,109]);var s=new Uint8Array([97,118,99,49]);var u=new Uint8Array([0,0,0,1]);h.FTYP=h.box(h.types.ftyp,a,u,a,s);h.DINF=h.box(h.types.dinf,h.box(h.types.dref,i))}},{key:"box",value:function e(t){var r=Array.prototype.slice.call(arguments,1),n=8,i=r.length,o=i,a;while(i--){n+=r[i].byteLength}a=new Uint8Array(n);a[0]=n>>24&255;a[1]=n>>16&255;a[2]=n>>8&255;a[3]=n&255;a.set(t,4);for(i=0,n=8;i<o;i++){a.set(r[i],n);n+=r[i].byteLength}return a}},{key:"hdlr",value:function e(t){return h.box(h.types.hdlr,h.HDLR_TYPES[t])}},{key:"mdat",value:function e(t){return h.box(h.types.mdat,t)}},{key:"mdhd",value:function e(t,r){r*=t;return h.box(h.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,2,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,t&255,r>>24,r>>16&255,r>>8&255,r&255,85,196,0,0]))}},{key:"mdia",value:function e(t){return h.box(h.types.mdia,h.mdhd(t.timescale,t.duration),h.hdlr(t.type),h.minf(t))}},{key:"mfhd",value:function e(t){return h.box(h.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,t&255]))}},{key:"minf",value:function e(t){if(t.type==="audio"){return h.box(h.types.minf,h.box(h.types.smhd,h.SMHD),h.DINF,h.stbl(t))}else{return h.box(h.types.minf,h.box(h.types.vmhd,h.VMHD),h.DINF,h.stbl(t))}}},{key:"moof",value:function e(t,r,n){return h.box(h.types.moof,h.mfhd(t),h.traf(n,r))}},{key:"moov",value:function e(t){var r=t.length,n=[];while(r--){n[r]=h.trak(t[r])}return h.box.apply(null,[h.types.moov,h.mvhd(t[0].timescale,t[0].duration)].concat(n).concat(h.mvex(t)))}},{key:"mvex",value:function e(t){var r=t.length,n=[];while(r--){n[r]=h.trex(t[r])}return h.box.apply(null,[h.types.mvex].concat(n))}},{key:"mvhd",value:function e(t,r){r=0;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,t&255,r>>24&255,r>>16&255,r>>8&255,r&255,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return h.box(h.types.mvhd,n)}},{key:"sdtp",value:function e(t){var r=t.samples||[],n=new Uint8Array(4+r.length),i,o;for(o=0;o<r.length;o++){i=r[o].flags;n[o+4]=i.dependsOn<<4|i.isDependedOn<<2|i.hasRedundancy}return h.box(h.types.sdtp,n)}},{key:"stbl",value:function e(t){return h.box(h.types.stbl,h.stsd(t),h.box(h.types.stts,h.STTS),h.box(h.types.stsc,h.STSC),h.box(h.types.stsz,h.STSZ),h.box(h.types.stco,h.STCO))}},{key:"avc1",value:function e(t){var r=[],n=[],i,o,a;for(i=0;i<t.sps.length;i++){o=t.sps[i];a=o.byteLength;r.push(a>>>8&255);r.push(a&255);r=r.concat(Array.prototype.slice.call(o))}for(i=0;i<t.pps.length;i++){o=t.pps[i];a=o.byteLength;n.push(a>>>8&255);n.push(a&255);n=n.concat(Array.prototype.slice.call(o))}var s=h.box(h.types.avcC,new Uint8Array([1,r[3],r[4],r[5],252|3,224|t.sps.length].concat(r).concat([t.pps.length]).concat(n))),u=t.width,f=t.height;return h.box(h.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,u>>8&255,u&255,f>>8&255,f&255,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,106,101,102,102,45,121,97,110,47,47,47,103,119,102,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),s,h.box(h.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])))}},{key:"esds",value:function e(t){var r=t.config.length;return new Uint8Array([0,0,0,0,3,23+r,0,1,0,4,15+r,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([r]).concat(t.config).concat([6,1,2]))}},{key:"mp4a",value:function e(t){var r=t.audiosamplerate;return h.box(h.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,r&255,0,0]),h.box(h.types.esds,h.esds(t)))}},{key:"stsd",value:function e(t){if(t.type==="audio"){return h.box(h.types.stsd,h.STSD,h.mp4a(t))}else{return h.box(h.types.stsd,h.STSD,h.avc1(t))}}},{key:"tkhd",value:function e(t){var r=t.id,n=t.duration*t.timescale,i=t.width,o=t.height;return h.box(h.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,r&255,0,0,0,0,n>>24,n>>16&255,n>>8&255,n&255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>8&255,i&255,0,0,o>>8&255,o&255,0,0]))}},{key:"traf",value:function e(t,r){var n=h.sdtp(t),i=t.id;return h.box(h.types.traf,h.box(h.types.tfhd,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,i&255])),h.box(h.types.tfdt,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,r&255])),h.trun(t,n.length+16+16+8+16+8+8),n)}},{key:"trak",value:function e(t){t.duration=t.duration||4294967295;return h.box(h.types.trak,h.tkhd(t),h.mdia(t))}},{key:"trex",value:function e(t){var r=t.id;return h.box(h.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,r&255,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}},{key:"trun",value:function e(t,r){var n=t.samples||[],i=n.length,o=12+16*i,a=new Uint8Array(o),s,u,f,l,c,d;r+=8+o;a.set([0,0,15,1,i>>>24&255,i>>>16&255,i>>>8&255,i&255,r>>>24&255,r>>>16&255,r>>>8&255,r&255],0);for(s=0;s<i;s++){u=n[s];f=u.duration;l=u.size;c=u.flags;d=u.cts;a.set([f>>>24&255,f>>>16&255,f>>>8&255,f&255,l>>>24&255,l>>>16&255,l>>>8&255,l&255,c.isLeading<<2|c.dependsOn,c.isDependedOn<<6|c.hasRedundancy<<4|c.paddingValue<<1|c.isNonSync,c.degradPrio&240<<8,c.degradPrio&15,d>>>24&255,d>>>16&255,d>>>8&255,d&255],12+16*s)}return h.box(h.types.trun,a)}},{key:"initSegment",value:function e(t){if(!h.types){h.init()}var r=h.moov(t),n;n=new Uint8Array(h.FTYP.byteLength+r.byteLength);n.set(h.FTYP);n.set(r,h.FTYP.byteLength);return n}}]);return h}();var s=a;r.default=s},{}],15:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:true});r.default=void 0;var G=n(e("../helper/aac"));var B=n(e("../events"));var H=e("../utils/logger");var W=n(e("../remux/mp4-generator"));var p=e("../errors");e("../utils/polyfill");function n(e){return e&&e.__esModule?e:{default:e}}function i(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}}function o(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||false;n.configurable=true;if("value"in n)n.writable=true;Object.defineProperty(e,n.key,n)}}function a(e,t,r){if(t)o(e.prototype,t);if(r)o(e,r);Object.defineProperty(e,"prototype",{writable:false});return e}var s=function(){function n(e,t,r){i(this,n);this.observer=e;this.id=t;this.config=r;this.ISGenerated=false;this.PES2MP4SCALEFACTOR=4;this.PES_TIMESCALE=9e4;this.MP4_TIMESCALE=this.PES_TIMESCALE/this.PES2MP4SCALEFACTOR;this.nextAvcDts=90300;this.H264_TIMEBASE=this.config.mp4Duration;this.genISFailCount=0}a(n,[{key:"passthrough",get:function e(){return false}},{key:"destroy",value:function e(){}},{key:"insertDiscontinuity",value:function e(){this._initPTS=this._initDTS=undefined}},{key:"switchLevel",value:function e(){this.ISGenerated=false;this.genISFailCount=0}},{key:"pushVideo",value:function e(t,r,n,i,o){this.level=t;this.sn=r;var a;if(!this.ISGenerated){this.generateVideoIS(n,i)}if(this.ISGenerated){this.remuxVideo_2(n,i,o)}}},{key:"remuxVideo_2",value:function e(t,r,n,i){var o=8,a,s,u=t.samples,f=[];a=new Uint8Array(t.len+4*t.nbNalu+8);var l=new DataView(a.buffer);l.setUint32(0,a.byteLength);a.set(W.default.types.mdat,4);var c=0;var d,h,p,v;for(var y=0;y<u.length;y++){var m=u[y],g=0;while(m.units.units.length){var b=m.units.units.shift();l.setUint32(o,b.data.byteLength);o+=4;a.set(b.data,o);o+=b.data.byteLength;g+=4+b.data.byteLength}var w=m.pts-this._initPTS;var E=m.dts-this._initDTS;E=Math.min(w,E);if(v!==undefined){d=this._PTSNormalize(w,v);h=this._PTSNormalize(E,v);c=h-v;if(c<=0){H.logger.log("invalid sample duration at PTS/DTS: ".concat(m.pts,"/").concat(m.dts,"|dts norm: ").concat(h,"|lastDTS: ").concat(v,":").concat(c));c=1}}else{var _=this.nextAvcDts,A;d=this._PTSNormalize(w,_);h=this._PTSNormalize(E,_);if(_){A=Math.round(h-_);if(Math.abs(A)<600){if(A){if(A>1){H.logger.log("AVC:".concat(A," ms hole between fragments detected,filling it"))}else if(A<-1){H.logger.log("AVC:".concat(-A," ms overlapping between fragments detected"))}h=_;d=Math.max(d-A,h);H.logger.log("Video/PTS/DTS adjusted: ".concat(d,"/").concat(h,",delta:").concat(A))}}}this.firstPTS=Math.max(0,d);this.firstDTS=Math.max(0,h);c=.03}f.push({size:g,duration:this.H264_TIMEBASE,cts:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:m.key?2:1,isNonSync:m.key?0:1}});v=h}var T=0;if(f.length>=2){T=f[f.length-2].duration;f[0].duration=T}this.nextAvcDts=h+T;t.len=0;t.nbNalu=0;t.dropped=0;if(f.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var S=f[0].flags;S.dependsOn=2;S.isNonSync=0}t.samples=f;s=W.default.moof(t.sequenceNumber++,h,t);t.samples=[];var k={data1:s,data2:a,type:"video"};this.observer.trigger(B.default.FRAG_PARSING_DATA,k);return k}},{key:"generateVideoIS",value:function e(t,r){var n=this.observer,i=t.samples,o=this.PES_TIMESCALE,a={},s={id:this.id,level:this.level,sn:this.sn,tracks:a,unique:false},u=this._initPTS===undefined,f,l;if(u){f=l=Infinity}if(t.sps&&t.pps&&i.length){t.timescale=9e4;a.video={container:"video/mp4",codec:t.codec,initSegment:W.default.initSegment([t]),metadata:{width:t.width,height:t.height}};if(u){f=Math.min(f,i[0].pts-this.H264_TIMEBASE);l=Math.min(l,i[0].dts-this.H264_TIMEBASE)}}if(Object.keys(a).length){n.trigger(B.default.FRAG_PARSING_INIT_SEGMENT,s);this.ISGenerated=true;this.genISFailCount=0;if(u){this._initPTS=f;this._initDTS=l}}else{this.genISFailCount++;if(this.genISFailCount>60){console.log("generateVideoIS ERROR: ",p.ErrorTypes.MEDIA_ERROR)}}}},{key:"remux",value:function e(t,r,n,i,o,a,s,u){this.level=t;this.sn=r;if(!this.ISGenerated){this.generateIS(n,i,s)}if(this.ISGenerated){if(n.samples.length){var f=this.remuxAudio(n,s,u);if(i.samples.length){var l;if(f){l=f.endPTS-f.startPTS}this.remuxVideo(i,s,u,l)}}else{var c;if(i.samples.length){c=this.remuxVideo(i,s,u)}if(c&&n.codec){this.remuxEmptyAudio(n,s,u,c)}}}if(o.samples.length){this.remuxID3(o,s)}if(a.samples.length){this.remuxText(a,s)}this.observer.trigger(B.default.FRAG_PARSED,{id:this.id,level:this.level,sn:this.sn})}},{key:"generateIS",value:function e(t,r,n){var i=this.observer,o=t.samples,a=r.samples,s=this.PES_TIMESCALE,u={},f={id:this.id,level:this.level,sn:this.sn,tracks:u,unique:false},l=this._initPTS===undefined,c,d;if(l){c=d=Infinity}if(t.config&&o.length){t.timescale=t.audiosamplerate;if(t.timescale*t.duration>Math.pow(2,32)){var h=function e(t,r){if(!r){return t}return e(r,t%r)};t.timescale=t.audiosamplerate/h(t.audiosamplerate,1024)}H.logger.log("audio mp4 timescale :"+t.timescale);u.audio={container:"audio/mp4",codec:t.codec,initSegment:W.default.initSegment([t]),metadata:{channelCount:t.channelCount}};if(l){c=d=o[0].pts-s*n}}if(r.sps&&r.pps&&a.length){r.timescale=this.MP4_TIMESCALE;u.video={container:"video/mp4",codec:r.codec,initSegment:W.default.initSegment([r]),metadata:{width:r.width,height:r.height}};if(l){c=Math.min(c,a[0].pts-s*n);d=Math.min(d,a[0].dts-s*n)}}if(Object.keys(u).length){i.trigger(B.default.FRAG_PARSING_INIT_SEGMENT,f);this.ISGenerated=true;if(l){this._initPTS=c;this._initDTS=d}}else{i.trigger(B.default.ERROR,{type:p.ErrorTypes.MEDIA_ERROR,id:this.id,details:p.ErrorDetails.FRAG_PARSING_ERROR,fatal:false,reason:"no audio/video samples found"})}}},{key:"remuxAudio",value:function F(e,t,r){var n=this.PES_TIMESCALE,M=e.timescale,i=n/M,U=e.timescale*1024/e.audiosamplerate;var o,a=8,s,u,f,l,c,d,h,p,v,y,m,g,b=[],w=[];e.samples.sort(function(e,t){return e.pts-t.pts});w=e.samples;var E=r?this.nextAacPts:t*n;var j=this._PTSNormalize(w[0].pts-this._initPTS,E),_=U*i;var A=j+_;for(var T=1;T<w.length;){var S=w[T],k=this._PTSNormalize(S.pts-this._initPTS,E),R=k-A;if(R<-.5*_){H.logger.log("Dropping frame due to ".concat(Math.abs(R/90)," ms overlap."));w.splice(T,1);e.len-=S.unit.length}else if(R>.5*_){var O=Math.round(R/_);H.logger.log("Injecting ".concat(O," frame").concat(O>1?"s":""," of missing audio due to ").concat(Math.round(R/90)," ms gap."));for(var P=0;P<O;P++){var D=w[T-1].pts+_,L=G.default.getSilentFrame(e.channelCount);if(!L){H.logger.log("Unable to get silent frame for given audio codec; duplicating last frame instead.");L=S.unit.slice(0)}w.splice(T,0,{unit:L,pts:D,dts:D});e.len+=L.length;T+=1}A+=(O+1)*_;S.pts=w[T-1].pts+_;T+=1}else{if(Math.abs(R)>.1*_){H.logger.log("Invalid frame delta ".concat(k-A+_," at PTS ").concat(Math.round(k/90)," (should be ").concat(_,")."))}A+=_;S.pts=w[T-1].pts+_;T+=1}}while(w.length){s=w.shift();f=s.unit;v=s.pts-this._initDTS;y=s.dts-this._initDTS;if(p!==undefined){m=this._PTSNormalize(v,p);g=this._PTSNormalize(y,p);u.duration=(g-p)/i}else{m=this._PTSNormalize(v,E);g=this._PTSNormalize(y,E);var x=Math.round(1e3*(m-E)/n);if(r){if(x){if(x>0){H.logger.log("".concat(x," ms hole between AAC samples detected,filling it"))}else if(x<-12){H.logger.log("".concat(-x," ms overlapping between AAC samples detected, drop frame"));e.len-=f.byteLength;continue}m=g=E}}d=Math.max(0,m);h=Math.max(0,g);if(e.len>0){l=new Uint8Array(e.len+8);o=new DataView(l.buffer);o.setUint32(0,l.byteLength);l.set(W.default.types.mdat,4)}else{return}}l.set(f,a);a+=f.byteLength;u={size:f.byteLength,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}};b.push(u);p=g}var C=0;var I=b.length;if(I>=2){C=b[I-2].duration;u.duration=C}if(I){this.nextAacPts=m+i*C;e.len=0;e.samples=b;c=W.default.moof(e.sequenceNumber++,h/i,e);e.samples=[];var N={id:this.id,level:this.level,sn:this.sn,data1:c,data2:l,startPTS:d/n,endPTS:this.nextAacPts/n,startDTS:h/n,endDTS:(g+i*C)/n,type:"audio",nb:I};this.observer.trigger(B.default.FRAG_PARSING_DATA,N);return N}return null}},{key:"remuxEmptyAudio",value:function e(t,r,n,i){var o=this.PES_TIMESCALE,a=t.timescale?t.timescale:t.audiosamplerate,s=o/a,u=i.startDTS*o+this._initDTS,f=i.endDTS*o+this._initDTS,l=1024,c=s*l,d=Math.ceil((f-u)/c),h=G.default.getSilentFrame(t.channelCount);if(!h){H.logger.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!");return}var p=[];for(var v=0;v<d;v++){var y=u+v*c;p.push({unit:h.slice(0),pts:y,dts:y});t.len+=h.length}t.samples=p;this.remuxAudio(t,r,n)}},{key:"remuxID3",value:function e(t,r){var n=t.samples.length,i;if(n){for(var 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