mainsail/assets/JMuxerStream-Cqmc9Hrb.js

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h}}],[{key:"extractNALu",value:function(n){for(var h,u,d=0,w=n.byteLength,B=0,c=[],a=0;d<w;)switch(h=n[d++],B){case 0:h===0&&(B=1);break;case 1:B=h===0?2:0;break;case 2:case 3:h===0?B=3:(h===1&&d<w&&(a!=d-B-1&&c.push(n.subarray(a,d-B-1)),a=d),B=0)}return a<w&&(u=n.subarray(a,w)),[c,u]}},{key:"skipScalingList",value:function(n,h){for(var u=8,d=8,w=0;w<h;w++)d!==0&&(d=(u+n.readEG()+256)%256),u=d===0?u:d}},{key:"readSPS",value:function(n){var h,u,d,w,B,c,a=new H(n),S=0,G=0,K=0,i=0,o=1,T=0;a.readUByte();for(var Y=[],Z=n.byteLength,r=1;r<Z;r++)r+2<Z&&a.readBits(24,!1)===3?(Y.push(a.readBits(8)),Y.push(a.readBits(8)),r+=2,a.readBits(8)):Y.push(a.readBits(8));if(a.setData(new Uint8Array(Y)),h=a.readUByte(),a.readBits(5),a.skipBits(3),a.readUByte(),a.skipUEG(),h===100||h===110||h===122||h===244||h===44||h===83||h===86||h===118||h===128){var e=a.readUEG();if(e===3&&a.skipBits(1),a.skipUEG(),a.skipUEG(),a.skipBits(1),a.readBoolean()){c=e!==3?8:12;for(var t=0;t<c;++t)a.readBoolean()&&(t<6?l.skipScalingList(a,16):l.skipScalingList(a,64))}}a.skipUEG();var f=a.readUEG();if(f===0)a.readUEG();else if(f===1){a.skipBits(1),a.skipEG(),a.skipEG(),u=a.readUEG();for(var m=0;m<u;++m)a.skipEG()}if(a.skipUEG(),a.skipBits(1),d=a.readUEG(),w=a.readUEG(),(B=a.readBits(1))===0&&a.skipBits(1),a.skipBits(1),a.readBoolean()&&(S=a.readUEG(),G=a.readUEG(),K=a.readUEG(),i=a.readUEG()),a.readBoolean()){if(a.readBoolean()){var k;switch(a.readUByte()){case 1:k=[1,1];break;case 2:k=[12,11];break;case 3:k=[10,11];break;case 4:k=[16,11];break;case 5:k=[40,33];break;case 6:k=[24,11];break;case 7:k=[20,11];break;case 8:k=[32,11];break;case 9:k=[80,33];break;case 10:k=[18,11];break;case 11:k=[15,11];break;case 12:k=[64,33];break;case 13:k=[160,99];break;case 14:k=[4,3];break;case 15:k=[3,2];break;case 16:k=[2,1];break;case 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Uint8Array(2),w=this.aacHeader;w&&(n=1+((192&w[2])>>>6),h=(60&w[2])>>>2,u=(1&w[2])<<2,u|=(192&w[3])>>>6,d[0]=n<<3,d[0]|=(14&h)>>1,d[1]|=(1&h)<<7,d[1]|=u<<3,this.track.codec="mp4a.40."+n,this.track.channelCount=u,this.track.config=d,this.remuxer.readyToDecode=!0)}}],[{key:"samplingRateMap",get:function(){return[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350]}},{key:"getHeaderLength",value:function(n){return 1&n[1]?7:9}},{key:"getFrameLength",value:function(n){return(3&n[3])<<11|n[4]<<3|(224&n[5])>>>5}},{key:"isAACPattern",value:function(n){return n[0]===255&&(240&n[1])==240&&(6&n[1])==0}}]),l}(),te=function(){function l(n){D(this,l),this.listener={},this.type=""|n}return b(l,[{key:"on",value:function(n,h){return this.listener[n]||(this.listener[n]=[]),this.listener[n].push(h),!0}},{key:"off",value:function(n,h){if(this.listener[n]){var u=this.listener[n].indexOf(h);return u>-1&&this.listener[n].splice(u,1),!0}return!1}},{key:"offAll",value:function(){this.listener={}}},{key:"dispatch",value:function(n,h){return!!this.listener[n]&&(this.listener[n].map(function(u){u.apply(null,[h])}),!0)}}]),l}(),ne=function(){function l(){D(this,l)}return b(l,null,[{key:"init",value:function(){var n;for(n in l.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:[]},l.types)l.types.hasOwnProperty(n)&&(l.types[n]=[n.charCodeAt(0),n.charCodeAt(1),n.charCodeAt(2),n.charCodeAt(3)]);var h=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]),u=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]);l.HDLR_TYPES={video:h,audio:u};var d=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),w=new Uint8Array([0,0,0,0,0,0,0,0]);l.STTS=l.STSC=l.STCO=w,l.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),l.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),l.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),l.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var B=new Uint8Array([105,115,111,109]),c=new Uint8Array([97,118,99,49]),a=new Uint8Array([0,0,0,1]);l.FTYP=l.box(l.types.ftyp,B,a,B,c),l.DINF=l.box(l.types.dinf,l.box(l.types.dref,d))}},{key:"box",value:function(n){for(var h=arguments.length,u=new Array(h>1?h-1:0),d=1;d<h;d++)u[d-1]=arguments[d];for(var w,B=8,c=u.length,a=c;c--;)B+=u[c].byteLength;for((w=new Uint8Array(B))[0]=B>>24&255,w[1]=B>>16&255,w[2]=B>>8&255,w[3]=255&B,w.set(n,4),c=0,B=8;c<a;++c)w.set(u[c],B),B+=u[c].byteLength;return w}},{key:"hdlr",value:function(n){return l.box(l.types.hdlr,l.HDLR_TYPES[n])}},{key:"mdat",value:function(n){return l.box(l.types.mdat,n)}},{key:"mdhd",value:function(n,h){return l.box(l.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,2,0,0,0,3,n>>24&255,n>>16&255,n>>8&255,255&n,h>>24,h>>16&255,h>>8&255,255&h,85,196,0,0]))}},{key:"mdia",value:function(n){return l.box(l.types.mdia,l.mdhd(n.timescale,n.duration),l.hdlr(n.type),l.minf(n))}},{key:"mfhd",value:function(n){return l.box(l.types.mfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n]))}},{key:"minf",value:function(n){return n.type==="audio"?l.box(l.types.minf,l.box(l.types.smhd,l.SMHD),l.DINF,l.stbl(n)):l.box(l.types.minf,l.box(l.types.vmhd,l.VMHD),l.DINF,l.stbl(n))}},{key:"moof",value:function(n,h,u){return l.box(l.types.moof,l.mfhd(n),l.traf(u,h))}},{key:"moov",value:function(n,h,u){for(var d=n.length,w=[];d--;)w[d]=l.trak(n[d]);return l.box.apply(null,[l.types.moov,l.mvhd(u,h)].concat(w).concat(l.mvex(n)))}},{key:"mvex",value:function(n){for(var h=n.length,u=[];h--;)u[h]=l.trex(n[h]);return l.box.apply(null,[l.types.mvex].concat(u))}},{key:"mvhd",value:function(n,h){var u=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,2,n>>24&255,n>>16&255,n>>8&255,255&n,h>>24&255,h>>16&255,h>>8&255,255&h,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 l.box(l.types.mvhd,u)}},{key:"sdtp",value:function(n){var h,u,d=n.samples||[],w=new Uint8Array(4+d.length);for(u=0;u<d.length;u++)h=d[u].flags,w[u+4]=h.dependsOn<<4|h.isDependedOn<<2|h.hasRedundancy;return l.box(l.types.sdtp,w)}},{key:"stbl",value:function(n){return l.box(l.types.stbl,l.stsd(n),l.box(l.types.stts,l.STTS),l.box(l.types.stsc,l.STSC),l.box(l.types.stsz,l.STSZ),l.box(l.types.stco,l.STCO))}},{key:"avc1",value:function(n){var h,u,d,w=[],B=[];for(h=0;h<n.sps.length;h++)d=(u=n.sps[h]).byteLength,w.push(d>>>8&255),w.push(255&d),w=w.concat(Array.prototype.slice.call(u));for(h=0;h<n.pps.length;h++)d=(u=n.pps[h]).byteLength,B.push(d>>>8&255),B.push(255&d),B=B.concat(Array.prototype.slice.call(u));var c=l.box(l.types.avcC,new Uint8Array([1,w[3],w[4],w[5],255,224|n.sps.length].concat(w).concat([n.pps.length]).concat(B))),a=n.width,S=n.height;return l.box(l.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,a>>8&255,255&a,S>>8&255,255&S,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,98,105,110,101,108,112,114,111,46,114,117,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),c,l.box(l.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])))}},{key:"esds",value:function(n){var h=n.config.byteLength,u=new Uint8Array(26+h+3);return u.set([0,0,0,0,3,23+h,0,1,0,4,15+h,64,21,0,0,0,0,0,0,0,0,0,0,0,5,h]),u.set(n.config,26),u.set([6,1,2],26+h),u}},{key:"mp4a",value:function(n){var h=n.audiosamplerate;return l.box(l.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,n.channelCount,0,16,0,0,0,0,h>>8&255,255&h,0,0]),l.box(l.types.esds,l.esds(n)))}},{key:"stsd",value:function(n){return n.type==="audio"?l.box(l.types.stsd,l.STSD,l.mp4a(n)):l.box(l.types.stsd,l.STSD,l.avc1(n))}},{key:"tkhd",value:function(n){var h=n.id,u=n.duration,d=n.width,w=n.height,B=n.volume;return l.box(l.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,h>>24&255,h>>16&255,h>>8&255,255&h,0,0,0,0,u>>24,u>>16&255,u>>8&255,255&u,0,0,0,0,0,0,0,0,0,0,0,0,B>>0&255,B%1*10>>0&255,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,d>>8&255,255&d,0,0,w>>8&255,255&w,0,0]))}},{key:"traf",value:function(n,h){var u=l.sdtp(n),d=n.id;return l.box(l.types.traf,l.box(l.types.tfhd,new Uint8Array([0,0,0,0,d>>24,d>>16&255,d>>8&255,255&d])),l.box(l.types.tfdt,new Uint8Array([0,0,0,0,h>>24,h>>16&255,h>>8&255,255&h])),l.trun(n,u.length+16+16+8+16+8+8),u)}},{key:"trak",value:function(n){return n.duration=n.duration||4294967295,l.box(l.types.trak,l.tkhd(n),l.mdia(n))}},{key:"trex",value:function(n){var h=n.id;return l.box(l.types.trex,new Uint8Array([0,0,0,0,h>>24,h>>16&255,h>>8&255,255&h,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))}},{key:"trun",value:function(n,h){var u,d,w,B,c,a,S=n.samples||[],G=S.length,K=12+16*G,i=new Uint8Array(K);for(h+=8+K,i.set([0,0,15,1,G>>>24&255,G>>>16&255,G>>>8&255,255&G,h>>>24&255,h>>>16&255,h>>>8&255,255&h],0),u=0;u<G;u++)w=(d=S[u]).duration,B=d.size,c=d.flags,a=d.cts,i.set([w>>>24&255,w>>>16&255,w>>>8&255,255&w,B>>>24&255,B>>>16&255,B>>>8&255,255&B,c.isLeading<<2|c.dependsOn,c.isDependedOn<<6|c.hasRedundancy<<4|c.paddingValue<<1|c.isNonSync,61440&c.degradPrio,15&c.degradPrio,a>>>24&255,a>>>16&255,a>>>8&255,255&a],12+16*u);return l.box(l.types.trun,i)}},{key:"initSegment",value:function(n,h,u){l.types||l.init();var d,w=l.moov(n,h,u);return(d=new Uint8Array(l.FTYP.byteLength+w.byteLength)).set(l.FTYP),d.set(w,l.FTYP.byteLength),d}}]),l}(),ie=1,ae=function(){function l(){D(this,l)}return b(l,[{key:"flush",value:function(){this.mp4track.len=0,this.mp4track.samples=[]}},{key:"isReady",value:function(){return!(!this.readyToDecode||!this.samples.length)||null}}],[{key:"getTrackID",value:function(){return ie++}}]),l}(),ue=function(l){E(h,l);var n=M(h);function h(u){var d;return D(this,h),(d=n.call(this)).readyToDecode=!1,d.nextDts=0,d.dts=0,d.mp4track={id:ae.getTrackID(),type:"audio",channelCount:0,len:0,fragmented:!0,timescale:u,duration:u,samples:[],config:"",codec:""},d.samples=[],d.aac=new J(O(d)),d}return b(h,[{key:"resetTrack",value:function(){this.readyToDecode=!1,this.mp4track.codec="",this.mp4track.channelCount="",this.mp4track.config="",this.mp4track.timescale=this.timescale,this.nextDts=0,this.dts=0}},{key:"remux",value:function(u){if(u.length>0)for(var d=0;d<u.length;d++){var w=u[d],B=w.units,c=B.byteLength;this.samples.push({units:B,size:c,duration:w.duration}),this.mp4track.len+=c,this.readyToDecode||this.aac.setAACConfig()}}},{key:"getPayload",value:function(){if(!this.isReady())return null;var u,d,w=new Uint8Array(this.mp4track.len),B=0,c=this.mp4track.samples;for(this.dts=this.nextDts;this.samples.length;){var a=this.samples.shift();a.units,(d=a.duration)<=0?(g("remuxer: invalid sample duration at DTS: ".concat(this.nextDts," :").concat(d)),this.mp4track.len-=a.size):(this.nextDts+=d,u={size:a.size,duration:d,cts:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},w.set(a.units,B),B+=a.size,c.push(u))}return c.length?new Uint8Array(w.buffer,0,this.mp4track.len):null}},{key:"getAacParser",value:function(){return this.aac}}]),h}(ae),le=function(l){E(h,l);var n=M(h);function h(u){var d;return D(this,h),(d=n.call(this)).readyToDecode=!1,d.nextDts=0,d.dts=0,d.mp4track={id:ae.getTrackID(),type:"video",len:0,fragmented:!0,sps:"",pps:"",fps:30,width:0,height:0,timescale:u,duration:u,samples:[]},d.samples=[],d.h264=new z(O(d)),d}return b(h,[{key:"resetTrack",value:function(){this.readyToDecode=!1,this.mp4track.sps="",this.mp4track.pps="",this.nextDts=0,this.dts=0}},{key:"remux",value:function(u){var d,w=p(u);try{for(w.s();!(d=w.n()).done;){var B,c=d.value,a=[],S=0,G=p(c.units);try{for(G.s();!(B=G.n()).done;){var K=B.value;this.h264.parseNAL(K)&&(a.push(K),S+=K.getSize())}}catch(i){G.e(i)}finally{G.f()}a.length>0&&this.readyToDecode&&(this.mp4track.len+=S,this.samples.push({units:a,size:S,keyFrame:c.keyFrame,duration:c.duration,compositionTimeOffset:c.compositionTimeOffset}))}}catch(i){w.e(i)}finally{w.f()}}},{key:"getPayload",value:function(){if(!this.isReady())return null;var u,d,w=new Uint8Array(this.mp4track.len),B=0,c=this.mp4track.samples;for(this.dts=this.nextDts;this.samples.length;){var a=this.samples.shift(),S=a.units;if((d=a.duration)<=0)g("remuxer: invalid sample duration at DTS: ".concat(this.nextDts," :").concat(d)),this.mp4track.len-=a.size;else{this.nextDts+=d,u={size:a.size,duration:d,cts:a.compositionTimeOffset||0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,isNonSync:a.keyFrame?0:1,dependsOn:a.keyFrame?2:1}};var G,K=p(S);try{for(K.s();!(G=K.n()).done;){var i=G.value;w.set(i.getData(),B),B+=i.getSize()}}catch(o){K.e(o)}finally{K.f()}c.push(u)}}return c.length?new Uint8Array(w.buffer,0,this.mp4track.len):null}}]),h}(ae),oe=function(l){E(h,l);var n=M(h);function h(u){var d;return D(this,h),(d=n.call(this,"remuxer")).initialized=!1,d.trackTypes=[],d.tracks={},d.seq=1,d.env=u,d.timescale=1e3,d.mediaDuration=0,d.aacParser=null,d}return b(h,[{key:"addTrack",value:function(u){if(u!=="video"&&u!=="both"||(this.tracks.video=new le(this.timescale),this.trackTypes.push("video")),u==="audio"||u==="both"){var d=new ue(this.timescale);this.aacParser=d.getAacParser(),this.tracks.audio=d,this.trackTypes.push("audio")}}},{key:"reset",value:function(){var u,d=p(this.trackTypes);try{for(d.s();!(u=d.n()).done;){var w=u.value;this.tracks[w].resetTrack()}}catch(B){d.e(B)}finally{d.f()}this.initialized=!1}},{key:"destroy",value:function(){this.tracks={},this.offAll()}},{key:"flush",value:function(){if(this.initialized){var u,d=p(this.trackTypes);try{for(d.s();!(u=d.n()).done;){var w=u.value,B=this.tracks[w],c=B.getPayload();if(c&&c.byteLength){var a={type:w,payload:V(ne.moof(this.seq,B.dts,B.mp4track),ne.mdat(c)),dts:B.dts};w==="video"&&(a.fps=B.mp4track.fps),this.dispatch("buffer",a);var S=(G=B.dts/this.timescale,K=void 0,i=void 0,o=void 0,T=void 0,T="",K=Math.floor(G),(i=parseInt(K/3600,10)%24)>0&&(T+=(i<10?"0"+i:i)+":"),T+=((o=parseInt(K/60,10)%60)<10?"0"+o:o)+":"+((K=K<0?0:K%60)<10?"0"+K:K));g("put segment (".concat(w,"): dts: ").concat(B.dts," frames: ").concat(B.mp4track.samples.length," second: ").concat(S)),B.flush(),this.seq++}}}catch(Y){d.e(Y)}finally{d.f()}}else this.isReady()&&(this.dispatch("ready"),this.initSegment(),this.initialized=!0,this.flush());var G,K,i,o,T}},{key:"initSegment",value:function(){var u,d=[],w=p(this.trackTypes);try{for(w.s();!(u=w.n()).done;){var B=u.value,c=this.tracks[B];if(this.env=="browser"){var a={type:B,payload:ne.initSegment([c.mp4track],this.mediaDuration,this.timescale)};this.dispatch("buffer",a)}else d.push(c.mp4track)}}catch(G){w.e(G)}finally{w.f()}if(this.env=="node"){var S={type:"all",payload:ne.initSegment(d,this.mediaDuration,this.timescale)};this.dispatch("buffer",S)}g("Initial segment generated.")}},{key:"isReady",value:function(){var u,d=p(this.trackTypes);try{for(d.s();!(u=d.n()).done;){var w=u.value;if(!this.tracks[w].readyToDecode||!this.tracks[w].samples.length)return!1}}catch(B){d.e(B)}finally{d.f()}return!0}},{key:"remux",value:function(u){var d,w=p(this.trackTypes);try{for(w.s();!(d=w.n()).done;){var B=d.value,c=u[B];B==="audio"&&this.tracks.video&&!this.tracks.video.readyToDecode||c.length>0&&this.tracks[B].remux(c)}}catch(a){w.e(a)}finally{w.f()}this.flush()}}]),h}(te),fe=function(l){E(h,l);var n=M(h);function h(u,d){var w;return D(this,h),(w=n.call(this,"buffer")).type=d,w.queue=new Uint8Array,w.cleaning=!1,w.pendingCleaning=0,w.cleanOffset=30,w.cleanRanges=[],w.sourceBuffer=u,w.sourceBuffer.addEventListener("updateend",function(){w.pendingCleaning>0&&(w.initCleanup(w.pendingCleaning),w.pendingCleaning=0),w.cleaning=!1,w.cleanRanges.length&&w.doCleanup()}),w.sourceBuffer.addEventListener("error",function(){w.dispatch("error",{type:w.type,name:"buffer",error:"buffer error"})}),w}return b(h,[{key:"destroy",value:function(){this.queue=null,this.sourceBuffer=null,this.offAll()}},{key:"doCleanup",value:function(){if(this.cleanRanges.length){var u=this.cleanRanges.shift();g("".concat(this.type," remove range [").concat(u[0]," - ").concat(u[1],")")),this.cleaning=!0,this.sourceBuffer.remove(u[0],u[1])}else this.cleaning=!1}},{key:"initCleanup",value:function(u){try{if(this.sourceBuffer.updating)return void(this.pendingCleaning=u);if(this.sourceBuffer.buffered&&this.sourceBuffer.buffered.length&&!this.cleaning){for(var d=0;d<this.sourceBuffer.buffered.length;++d){var w=this.sourceBuffer.buffered.start(d),B=this.sourceBuffer.buffered.end(d);u-w>this.cleanOffset&&w<(B=u-this.cleanOffset)&&this.cleanRanges.push([w,B])}this.doCleanup()}}catch(c){y("Error occured while cleaning ".concat(this.type," buffer - ").concat(c.name,": ").concat(c.message))}}},{key:"doAppend",value:function(){if(this.queue.length&&this.sourceBuffer&&!this.sourceBuffer.updating)try{this.sourceBuffer.appendBuffer(this.queue),this.queue=new Uint8Array}catch(d){var u="unexpectedError";d.name==="QuotaExceededError"?(g("".concat(this.type," buffer quota full")),u="QuotaExceeded"):(y("Error occured while appending ".concat(this.type," buffer - ").concat(d.name,": ").concat(d.message)),u="InvalidStateError"),this.dispatch("error",{type:this.type,name:u,error:"buffer error"})}}},{key:"feed",value:function(u){this.queue=V(this.queue,u)}}]),h}(te);return function(l){E(h,l);var n=M(h);function h(u){var d;return D(this,h),(d=n.call(this,"jmuxer")).isReset=!1,d.options=Object.assign({},{node:"",mode:"both",flushingTime:500,maxDelay:500,clearBuffer:!0,fps:30,readFpsFromTrack:!1,debug:!1,onReady:function(){},onError:function(){},onMissingVideoFrames:function(){},onMissingAudioFrames:function(){}},u),d.env=(typeof process>"u"?"undefined":I(process))==="object"&&typeof window>"u"?"node":"browser",d.options.debug&&(_=console.log,C=console.error),d.options.fps||(d.options.fps=30),d.frameDuration=1e3/d.options.fps|0,d.remuxController=new oe(d.env),d.remuxController.addTrack(d.options.mode),d.initData(),d.remuxController.on("buffer",d.onBuffer.bind(O(d))),d.env=="browser"&&(d.remuxController.on("ready",d.createBuffer.bind(O(d))),d.initBrowser()),d}return b(h,[{key:"initData",value:function(){this.lastCleaningTime=Date.now(),this.kfPosition=[],this.kfCounter=0,this.pendingUnits={},this.remainingData=new Uint8Array,this.startInterval()}},{key:"initBrowser",value:function(){typeof this.options.node=="string"&&this.options.node==""&&y("no video element were found to render, provide a valid video element"),this.node=typeof this.options.node=="string"?document.getElementById(this.options.node):this.options.node,this.mseReady=!1,this.setupMSE()}},{key:"createStream",value:function(){var u=this.feed.bind(this),d=this.destroy.bind(this);return this.stream=new A.Duplex({writableObjectMode:!0,read:function(w){},write:function(w,B,c){u(w),c()},final:function(w){d(),w()}}),this.stream}},{key:"setupMSE",value:function(){if(window.MediaSource=window.MediaSource||window.WebKitMediaSource,!window.MediaSource)throw"Oops! Browser does not support media source extension.";this.isMSESupported=!!window.MediaSource,this.mediaSource=new MediaSource,this.url=URL.createObjectURL(this.mediaSource),this.node.src=this.url,this.mseEnded=!1,this.mediaSource.addEventListener("sourceopen",this.onMSEOpen.bind(this)),this.mediaSource.addEventListener("sourceclose",this.onMSEClose.bind(this)),this.mediaSource.addEventListener("webkitsourceopen",this.onMSEOpen.bind(this)),this.mediaSource.addEventListener("webkitsourceclose",this.onMSEClose.bind(this))}},{key:"endMSE",value:function(){if(!this.mseEnded)try{this.mseEnded=!0,this.mediaSource.endOfStream()}catch{y("mediasource is not available to end")}}},{key:"feed",value:function(u){var d,w,B,c=!1,a={video:[],audio:[]};if(u&&this.remuxController){if(B=u.duration?parseInt(u.duration):0,u.video){u.video=V(this.remainingData,u.video);var S=L(z.extractNALu(u.video),2);if(d=S[0],w=S[1],this.remainingData=w||new Uint8Array,!(d.length>0))return y("Failed to extract any NAL units from video data:",w),void(typeof this.options.onMissingVideoFrames=="function"&&this.options.onMissingVideoFrames.call(null,u));a.video=this.getVideoFrames(d,B,u.compositionTimeOffset),c=!0}if(u.audio){if(!((d=this.remuxController.aacParser.extractAAC(u.audio)).length>0))return y("Failed to extract audio data from:",u.audio),void(typeof this.options.onMissingAudioFrames=="function"&&this.options.onMissingAudioFrames.call(null,u));a.audio=this.getAudioFrames(d,B),c=!0}c?this.remuxController.remux(a):y("Input object must have video and/or audio property. Make sure it is a valid typed array")}}},{key:"getVideoFrames",value:function(u,d,w){var B,c=this,a=[],S=[],G=0,K=!1,i=!1;this.pendingUnits.units&&(a=this.pendingUnits.units,i=this.pendingUnits.vcl,K=this.pendingUnits.keyFrame,this.pendingUnits={});var o,T=p(u);try{for(T.s();!(o=T.n()).done;){var Y=o.value,Z=new R(Y);Z.type()!==R.IDR&&Z.type()!==R.NDR||z.parseHeader(Z),a.length&&i&&(Z.isfmb||!Z.isvcl)&&(S.push({units:a,keyFrame:K}),a=[],K=!1,i=!1),a.push(Z),K=K||Z.isKeyframe(),i=i||Z.isvcl}}catch(e){T.e(e)}finally{T.f()}if(a.length)if(d)if(i)S.push({units:a,keyFrame:K});else{var r=S.length-1;r>=0&&(S[r].units=S[r].units.concat(a))}else this.pendingUnits={units:a,keyFrame:K,vcl:i};return B=d?d/S.length|0:this.frameDuration,G=d?d-B*S.length:0,S.map(function(e){e.duration=B,e.compositionTimeOffset=w,G>0&&(e.duration++,G--),c.kfCounter++,e.keyFrame&&c.options.clearBuffer&&c.kfPosition.push(c.kfCounter*B/1e3)}),g("jmuxer: No. of frames of the last chunk: ".concat(S.length)),S}},{key:"getAudioFrames",value:function(u,d){var w,B,c=[],a=0,S=p(u);try{for(S.s();!(B=S.n()).done;){var G=B.value;c.push({units:G})}}catch(K){S.e(K)}finally{S.f()}return w=d?d/c.length|0:this.frameDuration,a=d?d-w*c.length:0,c.map(function(K){K.duration=w,a>0&&(K.duration++,a--)}),c}},{key:"destroy",value:function(){if(this.stopInterval(),this.stream&&(this.remuxController.flush(),this.stream.push(null),this.stream=null),this.remuxController&&(this.remuxController.destroy(),this.remuxController=null),this.bufferControllers){for(var u in this.bufferControllers)this.bufferControllers[u].destroy();this.bufferControllers=null,this.endMSE()}this.node=!1,this.mseReady=!1,this.videoStarted=!1,this.mediaSource=null}},{key:"reset",value:function(){if(this.stopInterval(),this.isReset=!0,this.node.pause(),this.remuxController&&this.remuxController.reset(),this.bufferControllers){for(var u in this.bufferControllers)this.bufferControllers[u].destroy();this.bufferControllers=null,this.endMSE()}this.initData(),this.env=="browser"&&this.initBrowser(),g("JMuxer was reset")}},{key:"createBuffer",value:function(){if(this.mseReady&&this.remuxController&&this.remuxController.isReady()&&!this.bufferControllers)for(var u in this.bufferControllers={},this.remuxController.tracks){var d=this.remuxController.tracks[u];if(!h.isSupported("".concat(u,'/mp4; codecs="').concat(d.mp4track.codec,'"')))return y("Browser does not support codec"),!1;var w=this.mediaSource.addSourceBuffer("".concat(u,'/mp4; codecs="').concat(d.mp4track.codec,'"'));this.bufferControllers[u]=new fe(w,u),this.bufferControllers[u].on("error",this.onBufferError.bind(this))}}},{key:"startInterval",value:function(){var u=this;this.interval=setInterval(function(){u.options.flushingTime?u.applyAndClearBuffer():u.bufferControllers&&u.cancelDelay()},this.options.flushingTime||1e3)}},{key:"stopInterval",value:function(){this.interval&&clearInterval(this.interval)}},{key:"cancelDelay",value:function(){if(this.node.buffered&&this.node.buffered.length>0&&!this.node.seeking){var u=this.node.buffered.end(0);u-this.node.currentTime>this.options.maxDelay/1e3&&(console.log("delay"),this.node.currentTime=u-.001)}}},{key:"releaseBuffer",value:function(){for(var u in this.bufferControllers)this.bufferControllers[u].doAppend()}},{key:"applyAndClearBuffer",value:function(){this.bufferControllers&&(this.releaseBuffer(),this.clearBuffer())}},{key:"getSafeClearOffsetOfBuffer",value:function(u){for(var d,w=this.options.mode==="audio"&&u||0,B=0;B<this.kfPosition.length&&!(this.kfPosition[B]>=u);B++)d=this.kfPosition[B];return d&&(this.kfPosition=this.kfPosition.filter(function(c){return c<d&&(w=c),c>=d})),w}},{key:"clearBuffer",value:function(){if(this.options.clearBuffer&&Date.now()-this.lastCleaningTime>1e4){for(var u in this.bufferControllers){var d=this.getSafeClearOffsetOfBuffer(this.node.currentTime);this.bufferControllers[u].initCleanup(d)}this.lastCleaningTime=Date.now()}}},{key:"onBuffer",value:function(u){this.options.readFpsFromTrack&&u.fps!==void 0&&this.options.fps!=u.fps&&(this.options.fps=u.fps,this.frameDuration=Math.ceil(1e3/u.fps),g("JMuxer changed FPS to ".concat(u.fps," from track data"))),this.env=="browser"?this.bufferControllers&&this.bufferControllers[u.type]&&this.bufferControllers[u.type].feed(u.payload):this.stream&&this.stream.push(u.payload),this.options.flushingTime===0&&this.applyAndClearBuffer()}},{key:"onMSEOpen",value:function(){this.mseReady=!0,URL.revokeObjectURL(this.url),typeof this.options.onReady=="function"&&this.options.onReady.call(null,this.isReset)}},{key:"onMSEClose",value:function(){this.mseReady=!1,this.videoStarted=!1}},{key:"onBufferError",value:function(u){if(u.name=="QuotaExceeded")return g("JMuxer cleaning ".concat(u.type," buffer due to QuotaExceeded error")),void this.bufferControllers[u.type].initCleanup(this.node.currentTime);u.name=="InvalidStateError"?(g("JMuxer is reseting due to InvalidStateError"),this.reset()):this.endMSE(),typeof this.options.onError=="function"&&this.options.onError.call(null,u)}}],[{key:"isSupported",value:function(u){return window.MediaSource&&window.MediaSource.isTypeSupported(u)}}]),h}(te)})})(gt);var Gt=gt.exports;const Vt=xt(Gt);var Yt=Object.defineProperty,zt=Object.getOwnPropertyDescriptor,_e=(F,x,A,I)=>{for(var D=I>1?void 0:I?zt(x,A):x,v=F.length-1,b;v>=0;v--)(b=F[v])&&(D=(I?b(x,A,D):b(D))||D);return I&&D&&Yt(x,A,D),D};let de=class extends Rt(kt,At){constructor(){super(...arguments),this.jmuxer=null,this.status="connecting"}get url(){var F;return this.convertUrl((F=this.camSettings)==null?void 0:F.stream_url,this.printerUrl)}get webcamStyle(){var F,x,A;return{transform:this.generateTransform((F=this.camSettings.flip_horizontal)!=null?F:!1,(x=this.camSettings.flip_vertical)!=null?x:!1,(A=this.camSettings.rotation)!=null?A:0)}}mounted(){this.play()}play(){var I;if(this.status="connecting",(I=this.jmuxer)==null||I.destroy(),!this.url.startsWith("ws://")&&!this.url.startsWith("wss://")){console.error("jmuxer error: only websocket streams supported (ws://.. or wss://..)"),this.status="error";return}const F=this.$refs.video,x=this.camSettings.target_fps||10;this.jmuxer=new Vt({node:F,mode:"video",flushingTime:0,fps:x,onReady:D=>{this.status="connected",console.log("jmuxer ready:",D)},onError:D=>{this.status="error",console.log("jmuxer error:",D)}});const A=new WebSocket(this.url);A.binaryType="arraybuffer",A.addEventListener("message",D=>{var v;(v=this.jmuxer)==null||v.feed({video:new Uint8Array(D.data)})}),A.addEventListener("error",D=>{this.status="error",console.log("jmuxer ws error:",D)})}beforeUnmount(){var F;(F=this.jmuxer)==null||F.destroy()}onCamSettingsChanged(){this.play()}};_e([vt({required:!0})],de.prototype,"camSettings",2);_e([vt({default:null})],de.prototype,"printerUrl",2);_e([Tt("camSettings",{deep:!0})],de.prototype,"onCamSettingsChanged",1);de=_e([Bt],de);var Kt=function(){var x=this,A=x._self._c;return x._self._setupProxy,A("div",[A("video",{ref:"video",staticClass:"webcamImage",style:x.webcamStyle,attrs:{autoplay:""}}),x.status!=="connected"?A(Ct,[A(Ut,{staticClass:"_webcam_jmuxer_output text-center d-flex flex-column justify-center align-center"},[x.status==="connecting"?A(Mt,{staticClass:"mb-3",attrs:{indeterminate:"",color:"primary"}}):x._e(),A("span",{staticClass:"mt-3"},[x._v(x._s(x.status))])],1)],1):x._e()],1)},Jt=[],$t=Lt(de,Kt,Jt,!1,null,"90b79f69");const tr=$t.exports;export{tr as default};