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this.readAnyInt(8,!1)},n.prototype.readString=function(A){if(this.position+A<=this.buffer.byteLength){for(var m="",v=0;vthis._byteLength&&(this._byteLength=m);return}for(v<1&&(v=1);m>v;)v*=2;var p=new ArrayBuffer(v),b=new Uint8Array(this._buffer),O=new Uint8Array(p,0,b.length);O.set(b),this.buffer=p,this._byteLength=m}},r.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var A=new ArrayBuffer(this._byteLength),m=new Uint8Array(A),v=new Uint8Array(this._buffer,0,m.length);m.set(v),this.buffer=A}},r.BIG_ENDIAN=!1,r.LITTLE_ENDIAN=!0,r.prototype._byteLength=0,Object.defineProperty(r.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(r.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(A){this._buffer=A,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(r.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(A){this._byteOffset=A,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(r.prototype,"dataView",{get:function(){return this._dataView},set:function(A){this._byteOffset=A.byteOffset,this._buffer=A.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+A.byteLength}}),r.prototype.seek=function(A){var m=Math.max(0,Math.min(this.byteLength,A));this.position=isNaN(m)||!isFinite(m)?0:m},r.prototype.isEof=function(){return this.position>=this._byteLength},r.prototype.mapUint8Array=function(A){this._realloc(A*1);var m=new Uint8Array(this._buffer,this.byteOffset+this.position,A);return this.position+=A*1,m},r.prototype.readInt32Array=function(A,m){A=A??this.byteLength-this.position/4;var v=new Int32Array(A);return r.memcpy(v.buffer,0,this.buffer,this.byteOffset+this.position,A*v.BYTES_PER_ELEMENT),r.arrayToNative(v,m??this.endianness),this.position+=v.byteLength,v},r.prototype.readInt16Array=function(A,m){A=A??this.byteLength-this.position/2;var v=new Int16Array(A);return r.memcpy(v.buffer,0,this.buffer,this.byteOffset+this.position,A*v.BYTES_PER_ELEMENT),r.arrayToNative(v,m??this.endianness),this.position+=v.byteLength,v},r.prototype.readInt8Array=function(A){A=A??this.byteLength-this.position;var m=new Int8Array(A);return r.memcpy(m.buffer,0,this.buffer,this.byteOffset+this.position,A*m.BYTES_PER_ELEMENT),this.position+=m.byteLength,m},r.prototype.readUint32Array=function(A,m){A=A??this.byteLength-this.position/4;var v=new Uint32Array(A);return r.memcpy(v.buffer,0,this.buffer,this.byteOffset+this.position,A*v.BYTES_PER_ELEMENT),r.arrayToNative(v,m??this.endianness),this.position+=v.byteLength,v},r.prototype.readUint16Array=function(A,m){A=A??this.byteLength-this.position/2;var v=new Uint16Array(A);return r.memcpy(v.buffer,0,this.buffer,this.byteOffset+this.position,A*v.BYTES_PER_ELEMENT),r.arrayToNative(v,m??this.endianness),this.position+=v.byteLength,v},r.prototype.readUint8Array=function(A){A=A??this.byteLength-this.position;var m=new Uint8Array(A);return r.memcpy(m.buffer,0,this.buffer,this.byteOffset+this.position,A*m.BYTES_PER_ELEMENT),this.position+=m.byteLength,m},r.prototype.readFloat64Array=function(A,m){A=A??this.byteLength-this.position/8;var v=new Float64Array(A);return r.memcpy(v.buffer,0,this.buffer,this.byteOffset+this.position,A*v.BYTES_PER_ELEMENT),r.arrayToNative(v,m??this.endianness),this.position+=v.byteLength,v},r.prototype.readFloat32Array=function(A,m){A=A??this.byteLength-this.position/4;var v=new Float32Array(A);return r.memcpy(v.buffer,0,this.buffer,this.byteOffset+this.position,A*v.BYTES_PER_ELEMENT),r.arrayToNative(v,m??this.endianness),this.position+=v.byteLength,v},r.prototype.readInt32=function(A){var m=this._dataView.getInt32(this.position,A??this.endianness);return this.position+=4,m},r.prototype.readInt16=function(A){var m=this._dataView.getInt16(this.position,A??this.endianness);return this.position+=2,m},r.prototype.readInt8=function(){var A=this._dataView.getInt8(this.position);return this.position+=1,A},r.prototype.readUint32=function(A){var m=this._dataView.getUint32(this.position,A??this.endianness);return this.position+=4,m},r.prototype.readUint16=function(A){var m=this._dataView.getUint16(this.position,A??this.endianness);return this.position+=2,m},r.prototype.readUint8=function(){var A=this._dataView.getUint8(this.position);return this.position+=1,A},r.prototype.readFloat32=function(A){var m=this._dataView.getFloat32(this.position,A??this.endianness);return this.position+=4,m},r.prototype.readFloat64=function(A){var m=this._dataView.getFloat64(this.position,A??this.endianness);return this.position+=8,m},r.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,r.memcpy=function(A,m,v,p,b){var O=new Uint8Array(A,m,b),w=new Uint8Array(v,p,b);O.set(w)},r.arrayToNative=function(A,m){return m==this.endianness?A:this.flipArrayEndianness(A)},r.nativeToEndian=function(A,m){return this.endianness==m?A:this.flipArrayEndianness(A)},r.flipArrayEndianness=function(A){for(var m=new Uint8Array(A.buffer,A.byteOffset,A.byteLength),v=0;vb;p--,b++){var O=m[b];m[b]=m[p],m[p]=O}return A},r.prototype.failurePosition=0,String.fromCharCodeUint8=function(A){for(var m=[],v=0;v>16),this.writeUint8((A&65280)>>8),this.writeUint8(A&255)},r.prototype.adjustUint32=function(A,m){var v=this.position;this.seek(A),this.writeUint32(m),this.seek(v)},r.prototype.mapInt32Array=function(A,m){this._realloc(A*4);var v=new Int32Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*4,v},r.prototype.mapInt16Array=function(A,m){this._realloc(A*2);var v=new Int16Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*2,v},r.prototype.mapInt8Array=function(A){this._realloc(A*1);var m=new Int8Array(this._buffer,this.byteOffset+this.position,A);return this.position+=A*1,m},r.prototype.mapUint32Array=function(A,m){this._realloc(A*4);var v=new Uint32Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*4,v},r.prototype.mapUint16Array=function(A,m){this._realloc(A*2);var v=new Uint16Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*2,v},r.prototype.mapFloat64Array=function(A,m){this._realloc(A*8);var v=new Float64Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*8,v},r.prototype.mapFloat32Array=function(A,m){this._realloc(A*4);var v=new Float32Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*4,v};var s=function(A){this.buffers=[],this.bufferIndex=-1,A&&(this.insertBuffer(A),this.bufferIndex=0)};s.prototype=new r(new ArrayBuffer,0,r.BIG_ENDIAN),s.prototype.initialized=function(){var A;return this.bufferIndex>-1?!0:this.buffers.length>0?(A=this.buffers[0],A.fileStart===0?(this.buffer=A,this.bufferIndex=0,t.debug("MultiBufferStream","Stream ready for parsing"),!0):(t.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1)):(t.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1)},ArrayBuffer.concat=function(A,m){t.debug("ArrayBuffer","Trying to create a new buffer of size: "+(A.byteLength+m.byteLength));var v=new Uint8Array(A.byteLength+m.byteLength);return v.set(new Uint8Array(A),0),v.set(new Uint8Array(m),A.byteLength),v.buffer},s.prototype.reduceBuffer=function(A,m,v){var p;return p=new Uint8Array(v),p.set(new Uint8Array(A,m,v)),p.buffer.fileStart=A.fileStart+m,p.buffer.usedBytes=0,p.buffer},s.prototype.insertBuffer=function(A){for(var m=!0,v=0;vp.byteLength){this.buffers.splice(v,1),v--;continue}else t.warn("MultiBufferStream","Buffer (fileStart: "+A.fileStart+" - Length: "+A.byteLength+") already appended, ignoring");else A.fileStart+A.byteLength<=p.fileStart||(A=this.reduceBuffer(A,0,p.fileStart-A.fileStart)),t.debug("MultiBufferStream","Appending new buffer (fileStart: "+A.fileStart+" - Length: "+A.byteLength+")"),this.buffers.splice(v,0,A),v===0&&(this.buffer=A);m=!1;break}else if(A.fileStart0)A=this.reduceBuffer(A,b,O);else{m=!1;break}}}m&&(t.debug("MultiBufferStream","Appending new buffer (fileStart: "+A.fileStart+" - Length: "+A.byteLength+")"),this.buffers.push(A),v===0&&(this.buffer=A))},s.prototype.logBufferLevel=function(A){var m,v,p,b,O=[],w,y="";for(p=0,b=0,m=0;m0&&(y+=w.end-1+"]");var C=A?t.info:t.debug;this.buffers.length===0?C("MultiBufferStream","No more buffer in memory"):C("MultiBufferStream",""+this.buffers.length+" stored buffer(s) ("+p+"/"+b+" bytes), continuous ranges: "+y)},s.prototype.cleanBuffers=function(){var A,m;for(A=0;A"+this.buffer.byteLength+")"),!0}else return!1;else return!1},s.prototype.findPosition=function(A,m,v){var p,b=null,O=-1;for(A===!0?p=0:p=this.bufferIndex;p=m?(t.debug("MultiBufferStream","Found position in existing buffer #"+O),O):-1):-1},s.prototype.findEndContiguousBuf=function(A){var m,v,p,b=A!==void 0?A:this.bufferIndex;if(v=this.buffers[b],this.buffers.length>b+1)for(m=b+1;m>3;return L===31&&x.data.length>=2&&(L=32+((x.data[0]&7)<<3)+((x.data[1]&224)>>5)),L}else return null},w.DecoderConfigDescriptor=function(y){w.Descriptor.call(this,m,y)},w.DecoderConfigDescriptor.prototype=new w.Descriptor,w.DecoderConfigDescriptor.prototype.parse=function(y){this.oti=y.readUint8(),this.streamType=y.readUint8(),this.upStream=(this.streamType>>1&1)!==0,this.streamType=this.streamType>>>2,this.bufferSize=y.readUint24(),this.maxBitrate=y.readUint32(),this.avgBitrate=y.readUint32(),this.size-=13,this.parseRemainingDescriptors(y)},w.DecoderSpecificInfo=function(y){w.Descriptor.call(this,v,y)},w.DecoderSpecificInfo.prototype=new w.Descriptor,w.SLConfigDescriptor=function(y){w.Descriptor.call(this,p,y)},w.SLConfigDescriptor.prototype=new w.Descriptor,this};e.MPEG4DescriptorParser=a;var l={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){l.FullBox.prototype=new l.Box,l.ContainerBox.prototype=new l.Box,l.SampleEntry.prototype=new l.Box,l.TrackGroupTypeBox.prototype=new l.FullBox,l.BASIC_BOXES.forEach(function(A){l.createBoxCtor(A)}),l.FULL_BOXES.forEach(function(A){l.createFullBoxCtor(A)}),l.CONTAINER_BOXES.forEach(function(A){l.createContainerBoxCtor(A[0],null,A[1])})},Box:function(A,m,v){this.type=A,this.size=m,this.uuid=v},FullBox:function(A,m,v){l.Box.call(this,A,m,v),this.flags=0,this.version=0},ContainerBox:function(A,m,v){l.Box.call(this,A,m,v),this.boxes=[]},SampleEntry:function(A,m,v,p){l.ContainerBox.call(this,A,m),this.hdr_size=v,this.start=p},SampleGroupEntry:function(A){this.grouping_type=A},TrackGroupTypeBox:function(A,m){l.FullBox.call(this,A,m)},createBoxCtor:function(A,m){l.boxCodes.push(A),l[A+"Box"]=function(v){l.Box.call(this,A,v)},l[A+"Box"].prototype=new l.Box,m&&(l[A+"Box"].prototype.parse=m)},createFullBoxCtor:function(A,m){l[A+"Box"]=function(v){l.FullBox.call(this,A,v)},l[A+"Box"].prototype=new l.FullBox,l[A+"Box"].prototype.parse=function(v){this.parseFullHeader(v),m&&m.call(this,v)}},addSubBoxArrays:function(A){if(A){this.subBoxNames=A;for(var m=A.length,v=0;vv?(t.error("BoxParser","Box of type '"+x+"' has a size "+C+" greater than its container size "+v),{code:l.ERR_NOT_ENOUGH_DATA,type:x,size:C,hdr_size:O,start:b}):C!==0&&b+C>A.getEndPosition()?(A.seek(b),t.info("BoxParser","Not enough data in stream to parse the entire '"+x+"' box"),{code:l.ERR_NOT_ENOUGH_DATA,type:x,size:C,hdr_size:O,start:b}):m?{code:l.OK,type:x,size:C,hdr_size:O,start:b}:(l[x+"Box"]?p=new l[x+"Box"](C):x!=="uuid"?(t.warn("BoxParser","Unknown box type: '"+x+"'"),p=new l.Box(x,C),p.has_unparsed_data=!0):l.UUIDBoxes[y]?p=new l.UUIDBoxes[y](C):(t.warn("BoxParser","Unknown uuid type: '"+y+"'"),p=new l.Box(x,C),p.uuid=y,p.has_unparsed_data=!0),p.hdr_size=O,p.start=b,p.write===l.Box.prototype.write&&p.type!=="mdat"&&(t.info("BoxParser","'"+L+"' box writing not yet implemented, keeping unparsed data in memory for later write"),p.parseDataAndRewind(A)),p.parse(A),w=A.getPosition()-(p.start+p.size),w<0?(t.warn("BoxParser","Parsing of box '"+L+"' did not read the entire indicated box data size (missing "+-w+" bytes), seeking forward"),A.seek(p.start+p.size)):w>0&&(t.error("BoxParser","Parsing of box '"+L+"' read "+w+" more bytes than the indicated box data size, seeking backwards"),p.size!==0&&A.seek(p.start+p.size)),{code:l.OK,box:p,size:p.size})},l.Box.prototype.parse=function(A){this.type!="mdat"?this.data=A.readUint8Array(this.size-this.hdr_size):this.size===0?A.seek(A.getEndPosition()):A.seek(this.start+this.size)},l.Box.prototype.parseDataAndRewind=function(A){this.data=A.readUint8Array(this.size-this.hdr_size),A.position-=this.size-this.hdr_size},l.FullBox.prototype.parseDataAndRewind=function(A){this.parseFullHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,A.position-=this.size-this.hdr_size},l.FullBox.prototype.parseFullHeader=function(A){this.version=A.readUint8(),this.flags=A.readUint24(),this.hdr_size+=4},l.FullBox.prototype.parse=function(A){this.parseFullHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size)},l.ContainerBox.prototype.parse=function(A){for(var m,v;A.getPosition()>10&31,m[1]=this.language>>5&31,m[2]=this.language&31,this.languageString=String.fromCharCode(m[0]+96,m[1]+96,m[2]+96)},l.SAMPLE_ENTRY_TYPE_VISUAL="Visual",l.SAMPLE_ENTRY_TYPE_AUDIO="Audio",l.SAMPLE_ENTRY_TYPE_HINT="Hint",l.SAMPLE_ENTRY_TYPE_METADATA="Metadata",l.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",l.SAMPLE_ENTRY_TYPE_SYSTEM="System",l.SAMPLE_ENTRY_TYPE_TEXT="Text",l.SampleEntry.prototype.parseHeader=function(A){A.readUint8Array(6),this.data_reference_index=A.readUint16(),this.hdr_size+=8},l.SampleEntry.prototype.parse=function(A){this.parseHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size)},l.SampleEntry.prototype.parseDataAndRewind=function(A){this.parseHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,A.position-=this.size-this.hdr_size},l.SampleEntry.prototype.parseFooter=function(A){l.ContainerBox.prototype.parse.call(this,A)},l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_HINT),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SYSTEM),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_TEXT),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,function(A){var m;this.parseHeader(A),A.readUint16(),A.readUint16(),A.readUint32Array(3),this.width=A.readUint16(),this.height=A.readUint16(),this.horizresolution=A.readUint32(),this.vertresolution=A.readUint32(),A.readUint32(),this.frame_count=A.readUint16(),m=Math.min(31,A.readUint8()),this.compressorname=A.readString(m),m<31&&A.readString(31-m),this.depth=A.readUint16(),A.readUint16(),this.parseFooter(A)}),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,function(A){this.parseHeader(A),A.readUint32Array(2),this.channel_count=A.readUint16(),this.samplesize=A.readUint16(),A.readUint16(),A.readUint16(),this.samplerate=A.readUint32()/65536,this.parseFooter(A)}),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"fLaC"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_TEXT,"enct"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA,"encm"),l.createBoxCtor("a1lx",function(A){var m=A.readUint8()&1,v=((m&1)+1)*16;this.layer_size=[];for(var p=0;p<3;p++)v==16?this.layer_size[p]=A.readUint16():this.layer_size[p]=A.readUint32()}),l.createBoxCtor("a1op",function(A){this.op_index=A.readUint8()}),l.createFullBoxCtor("auxC",function(A){this.aux_type=A.readCString();var m=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=A.readUint8Array(m)}),l.createBoxCtor("av1C",function(A){var m=A.readUint8();if(m>>7&!1){t.error("av1C marker problem");return}if(this.version=m&127,this.version!==1){t.error("av1C version "+this.version+" not supported");return}if(m=A.readUint8(),this.seq_profile=m>>5&7,this.seq_level_idx_0=m&31,m=A.readUint8(),this.seq_tier_0=m>>7&1,this.high_bitdepth=m>>6&1,this.twelve_bit=m>>5&1,this.monochrome=m>>4&1,this.chroma_subsampling_x=m>>3&1,this.chroma_subsampling_y=m>>2&1,this.chroma_sample_position=m&3,m=A.readUint8(),this.reserved_1=m>>5&7,this.reserved_1!==0){t.error("av1C reserved_1 parsing problem");return}if(this.initial_presentation_delay_present=m>>4&1,this.initial_presentation_delay_present===1)this.initial_presentation_delay_minus_one=m&15;else if(this.reserved_2=m&15,this.reserved_2!==0){t.error("av1C reserved_2 parsing problem");return}var v=this.size-this.hdr_size-4;this.configOBUs=A.readUint8Array(v)}),l.createBoxCtor("avcC",function(A){var m,v;for(this.configurationVersion=A.readUint8(),this.AVCProfileIndication=A.readUint8(),this.profile_compatibility=A.readUint8(),this.AVCLevelIndication=A.readUint8(),this.lengthSizeMinusOne=A.readUint8()&3,this.nb_SPS_nalus=A.readUint8()&31,v=this.size-this.hdr_size-6,this.SPS=[],m=0;m0&&(this.ext=A.readUint8Array(v))}),l.createBoxCtor("btrt",function(A){this.bufferSizeDB=A.readUint32(),this.maxBitrate=A.readUint32(),this.avgBitrate=A.readUint32()}),l.createFullBoxCtor("ccst",function(A){var m=A.readUint8();this.all_ref_pics_intra=(m&128)==128,this.intra_pred_used=(m&64)==64,this.max_ref_per_pic=(m&63)>>2,A.readUint24()}),l.createBoxCtor("cdef",function(A){var m;for(this.channel_count=A.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],m=0;m=32768&&this.component_type_urls.push(A.readCString())}}),l.createFullBoxCtor("co64",function(A){var m,v;if(m=A.readUint32(),this.chunk_offsets=[],this.version===0)for(v=0;v>7}else this.colour_type==="rICC"?this.ICC_profile=A.readUint8Array(this.size-4):this.colour_type==="prof"&&(this.ICC_profile=A.readUint8Array(this.size-4))}),l.createFullBoxCtor("cprt",function(A){this.parseLanguage(A),this.notice=A.readCString()}),l.createFullBoxCtor("cslg",function(A){this.version===0&&(this.compositionToDTSShift=A.readInt32(),this.leastDecodeToDisplayDelta=A.readInt32(),this.greatestDecodeToDisplayDelta=A.readInt32(),this.compositionStartTime=A.readInt32(),this.compositionEndTime=A.readInt32())}),l.createFullBoxCtor("ctts",function(A){var m,v;if(m=A.readUint32(),this.sample_counts=[],this.sample_offsets=[],this.version===0)for(v=0;v>6,this.bsid=m>>1&31,this.bsmod=(m&1)<<2|v>>6&3,this.acmod=v>>3&7,this.lfeon=v>>2&1,this.bit_rate_code=v&3|p>>5&7}),l.createBoxCtor("dec3",function(A){var m=A.readUint16();this.data_rate=m>>3,this.num_ind_sub=m&7,this.ind_subs=[];for(var v=0;v>6,p.bsid=b>>1&31,p.bsmod=(b&1)<<4|O>>4&15,p.acmod=O>>1&7,p.lfeon=O&1,p.num_dep_sub=w>>1&15,p.num_dep_sub>0&&(p.chan_loc=(w&1)<<8|A.readUint8())}}),l.createFullBoxCtor("dfLa",function(A){var m=127,v=128,p=[],b=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];do{var O=A.readUint8(),w=Math.min(O&m,b.length-1);if(w?A.readUint8Array(A.readUint24()):(A.readUint8Array(13),this.samplerate=A.readUint32()>>12,A.readUint8Array(20)),p.push(b[w]),O&v)break}while(!0);this.numMetadataBlocks=p.length+" ("+p.join(", ")+")"}),l.createBoxCtor("dimm",function(A){this.bytessent=A.readUint64()}),l.createBoxCtor("dmax",function(A){this.time=A.readUint32()}),l.createBoxCtor("dmed",function(A){this.bytessent=A.readUint64()}),l.createBoxCtor("dOps",function(A){if(this.Version=A.readUint8(),this.OutputChannelCount=A.readUint8(),this.PreSkip=A.readUint16(),this.InputSampleRate=A.readUint32(),this.OutputGain=A.readInt16(),this.ChannelMappingFamily=A.readUint8(),this.ChannelMappingFamily!==0){this.StreamCount=A.readUint8(),this.CoupledCount=A.readUint8(),this.ChannelMapping=[];for(var m=0;m=4;)this.compatible_brands[v]=A.readString(4),m-=4,v++}),l.createFullBoxCtor("hdlr",function(A){this.version===0&&(A.readUint32(),this.handler=A.readString(4),A.readUint32Array(3),this.name=A.readString(this.size-this.hdr_size-20),this.name[this.name.length-1]==="\0"&&(this.name=this.name.slice(0,-1)))}),l.createBoxCtor("hvcC",function(A){var m,v,p,b;this.configurationVersion=A.readUint8(),b=A.readUint8(),this.general_profile_space=b>>6,this.general_tier_flag=(b&32)>>5,this.general_profile_idc=b&31,this.general_profile_compatibility=A.readUint32(),this.general_constraint_indicator=A.readUint8Array(6),this.general_level_idc=A.readUint8(),this.min_spatial_segmentation_idc=A.readUint16()&4095,this.parallelismType=A.readUint8()&3,this.chroma_format_idc=A.readUint8()&3,this.bit_depth_luma_minus8=A.readUint8()&7,this.bit_depth_chroma_minus8=A.readUint8()&7,this.avgFrameRate=A.readUint16(),b=A.readUint8(),this.constantFrameRate=b>>6,this.numTemporalLayers=(b&13)>>3,this.temporalIdNested=(b&4)>>2,this.lengthSizeMinusOne=b&3,this.nalu_arrays=[];var O=A.readUint8();for(m=0;m>7,w.nalu_type=b&63;var y=A.readUint16();for(v=0;v>4&15,this.length_size=m&15,m=A.readUint8(),this.base_offset_size=m>>4&15,this.version===1||this.version===2?this.index_size=m&15:this.index_size=0,this.items=[];var v=0;if(this.version<2)v=A.readUint16();else if(this.version===2)v=A.readUint32();else throw"version of iloc box not supported";for(var p=0;p>7,this.axis=m&1}),l.createFullBoxCtor("infe",function(A){if((this.version===0||this.version===1)&&(this.item_ID=A.readUint16(),this.item_protection_index=A.readUint16(),this.item_name=A.readCString(),this.content_type=A.readCString(),this.content_encoding=A.readCString()),this.version===1){this.extension_type=A.readString(4),t.warn("BoxParser","Cannot parse extension type"),A.seek(this.start+this.size);return}this.version>=2&&(this.version===2?this.item_ID=A.readUint16():this.version===3&&(this.item_ID=A.readUint32()),this.item_protection_index=A.readUint16(),this.item_type=A.readString(4),this.item_name=A.readCString(),this.item_type==="mime"?(this.content_type=A.readCString(),this.content_encoding=A.readCString()):this.item_type==="uri "&&(this.item_uri_type=A.readCString()))}),l.createFullBoxCtor("ipma",function(A){var m,v;for(entry_count=A.readUint32(),this.associations=[],m=0;m>7===1,this.flags&1?w.property_index=(O&127)<<8|A.readUint8():w.property_index=O&127}}}),l.createFullBoxCtor("iref",function(A){var m,v;for(this.references=[];A.getPosition()>7,p.assignment_type=b&127,p.assignment_type){case 0:p.grouping_type=A.readString(4);break;case 1:p.grouping_type=A.readString(4),p.grouping_type_parameter=A.readUint32();break;case 2:break;case 3:break;case 4:p.sub_track_id=A.readUint32();break;default:t.warn("BoxParser","Unknown leva assignement type")}}}),l.createBoxCtor("lhvC",function(A){var m,v,p;this.configurationVersion=A.readUint8(),this.min_spatial_segmentation_idc=A.readUint16()&4095,this.parallelismType=A.readUint8()&3,p=A.readUint8(),this.numTemporalLayers=(p&13)>>3,this.temporalIdNested=(p&4)>>2,this.lengthSizeMinusOne=p&3,this.nalu_arrays=[];var b=A.readUint8();for(m=0;m>7,O.nalu_type=p&63;var w=A.readUint16();for(v=0;v>8,A.readUint16(),A.readUint32Array(2),this.matrix=A.readUint32Array(9),A.readUint32Array(6),this.next_track_id=A.readUint32()}),l.createBoxCtor("npck",function(A){this.packetssent=A.readUint32()}),l.createBoxCtor("nump",function(A){this.packetssent=A.readUint64()}),l.createFullBoxCtor("padb",function(A){var m=A.readUint32();this.padbits=[];for(var v=0;v0){var m=A.readUint32();this.kid=[];for(var v=0;v0&&(this.data=A.readUint8Array(p))}),l.createFullBoxCtor("clef",function(A){this.width=A.readUint32(),this.height=A.readUint32()}),l.createFullBoxCtor("enof",function(A){this.width=A.readUint32(),this.height=A.readUint32()}),l.createFullBoxCtor("prof",function(A){this.width=A.readUint32(),this.height=A.readUint32()}),l.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),l.createBoxCtor("rtp ",function(A){this.descriptionformat=A.readString(4),this.sdptext=A.readString(this.size-this.hdr_size-4)}),l.createFullBoxCtor("saio",function(A){this.flags&1&&(this.aux_info_type=A.readUint32(),this.aux_info_type_parameter=A.readUint32());var m=A.readUint32();this.offset=[];for(var v=0;v>7,this.avgRateFlag=m>>6&1,this.durationFlag&&(this.duration=A.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=A.readUint8(),this.avgBitRate=A.readUint16(),this.avgFrameRate=A.readUint16()),this.dependency=[];for(var v=A.readUint8(),p=0;p>7,this.num_leading_samples=m&127}),l.createSampleGroupCtor("rash",function(A){if(this.operation_point_count=A.readUint16(),this.description_length!==2+(this.operation_point_count===1?2:this.operation_point_count*6)+9)t.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=A.readUint8Array(this.description_length-2);else{if(this.operation_point_count===1)this.target_rate_share=A.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var m=0;m>4,this.skip_byte_block=m&15,this.isProtected=A.readUint8(),this.Per_Sample_IV_Size=A.readUint8(),this.KID=l.parseHex16(A),this.constant_IV_size=0,this.constant_IV=0,this.isProtected===1&&this.Per_Sample_IV_Size===0&&(this.constant_IV_size=A.readUint8(),this.constant_IV=A.readUint8Array(this.constant_IV_size))}),l.createSampleGroupCtor("stsa",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createSampleGroupCtor("sync",function(A){var m=A.readUint8();this.NAL_unit_type=m&63}),l.createSampleGroupCtor("tele",function(A){var m=A.readUint8();this.level_independently_decodable=m>>7}),l.createSampleGroupCtor("tsas",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createSampleGroupCtor("tscl",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createSampleGroupCtor("vipr",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createFullBoxCtor("sbgp",function(A){this.grouping_type=A.readString(4),this.version===1?this.grouping_type_parameter=A.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var m=A.readUint32(),v=0;v>6,this.sample_depends_on[p]=m>>4&3,this.sample_is_depended_on[p]=m>>2&3,this.sample_has_redundancy[p]=m&3}),l.createFullBoxCtor("senc"),l.createFullBoxCtor("sgpd",function(A){this.grouping_type=A.readString(4),t.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),this.version===1?this.default_length=A.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=A.readUint32()),this.entries=[];for(var m=A.readUint32(),v=0;v>31&1,p.referenced_size=b&2147483647,p.subsegment_duration=A.readUint32(),b=A.readUint32(),p.starts_with_SAP=b>>31&1,p.SAP_type=b>>28&7,p.SAP_delta_time=b&268435455}}),l.SingleItemTypeReferenceBox=function(A,m,v,p){l.Box.call(this,A,m),this.hdr_size=v,this.start=p},l.SingleItemTypeReferenceBox.prototype=new l.Box,l.SingleItemTypeReferenceBox.prototype.parse=function(A){this.from_item_ID=A.readUint16();var m=A.readUint16();this.references=[];for(var v=0;v>4&15,this.sample_sizes[m+1]=p&15}else if(this.field_size===8)for(m=0;m0)for(v=0;v>4&15,this.default_skip_byte_block=m&15}this.default_isProtected=A.readUint8(),this.default_Per_Sample_IV_Size=A.readUint8(),this.default_KID=l.parseHex16(A),this.default_isProtected===1&&this.default_Per_Sample_IV_Size===0&&(this.default_constant_IV_size=A.readUint8(),this.default_constant_IV=A.readUint8Array(this.default_constant_IV_size))}),l.createFullBoxCtor("tfdt",function(A){this.version==1?this.baseMediaDecodeTime=A.readUint64():this.baseMediaDecodeTime=A.readUint32()}),l.createFullBoxCtor("tfhd",function(A){var m=0;this.track_id=A.readUint32(),this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=A.readUint64(),m+=8):this.base_data_offset=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=A.readUint32(),m+=4):this.default_sample_description_index=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=A.readUint32(),m+=4):this.default_sample_duration=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=A.readUint32(),m+=4):this.default_sample_size=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=A.readUint32(),m+=4):this.default_sample_flags=0}),l.createFullBoxCtor("tfra",function(A){this.track_ID=A.readUint32(),A.readUint24();var m=A.readUint8();this.length_size_of_traf_num=m>>4&3,this.length_size_of_trun_num=m>>2&3,this.length_size_of_sample_num=m&3,this.entries=[];for(var v=A.readUint32(),p=0;p>8,A.readUint16(),this.matrix=A.readInt32Array(9),this.width=A.readUint32(),this.height=A.readUint32()}),l.createBoxCtor("tmax",function(A){this.time=A.readUint32()}),l.createBoxCtor("tmin",function(A){this.time=A.readUint32()}),l.createBoxCtor("totl",function(A){this.bytessent=A.readUint32()}),l.createBoxCtor("tpay",function(A){this.bytessent=A.readUint32()}),l.createBoxCtor("tpyl",function(A){this.bytessent=A.readUint64()}),l.TrackGroupTypeBox.prototype.parse=function(A){this.parseFullHeader(A),this.track_group_id=A.readUint32()},l.createTrackGroupCtor("msrc"),l.TrackReferenceTypeBox=function(A,m,v,p){l.Box.call(this,A,m),this.hdr_size=v,this.start=p},l.TrackReferenceTypeBox.prototype=new l.Box,l.TrackReferenceTypeBox.prototype.parse=function(A){this.track_ids=A.readUint32Array((this.size-this.hdr_size)/4)},l.trefBox.prototype.parse=function(A){for(var m,v;A.getPosition()m&&this.flags&l.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=A.readInt32(),m+=4):this.data_offset=0,this.size-this.hdr_size>m&&this.flags&l.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=A.readUint32(),m+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>m)for(var v=0;v>7&1,this.block_pad_lsb=v>>6&1,this.block_little_endian=v>>5&1,this.block_reversed=v>>4&1,this.pad_unknown=v>>3&1,this.pixel_size=A.readUint32(),this.row_align_size=A.readUint32(),this.tile_align_size=A.readUint32(),this.num_tile_cols_minus_one=A.readUint32(),this.num_tile_rows_minus_one=A.readUint32()}}),l.createFullBoxCtor("url ",function(A){this.flags!==1&&(this.location=A.readCString())}),l.createFullBoxCtor("urn ",function(A){this.name=A.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=A.readCString())}),l.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,function(A){this.LiveServerManifest=A.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'")}),l.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,function(A){this.system_id=l.parseHex16(A);var m=A.readUint32();m>0&&(this.data=A.readUint8Array(m))}),l.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),l.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,function(A){this.default_AlgorithmID=A.readUint24(),this.default_IV_size=A.readUint8(),this.default_KID=l.parseHex16(A)}),l.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,function(A){this.fragment_count=A.readUint8(),this.entries=[];for(var m=0;m>4,this.chromaSubsampling=m>>1&7,this.videoFullRangeFlag=m&1,this.colourPrimaries=A.readUint8(),this.transferCharacteristics=A.readUint8(),this.matrixCoefficients=A.readUint8(),this.codecIntializationDataSize=A.readUint16(),this.codecIntializationData=A.readUint8Array(this.codecIntializationDataSize)):(this.profile=A.readUint8(),this.level=A.readUint8(),m=A.readUint8(),this.bitDepth=m>>4&15,this.colorSpace=m&15,m=A.readUint8(),this.chromaSubsampling=m>>4&15,this.transferFunction=m>>1&7,this.videoFullRangeFlag=m&1,this.codecIntializationDataSize=A.readUint16(),this.codecIntializationData=A.readUint8Array(this.codecIntializationDataSize))}),l.createBoxCtor("vttC",function(A){this.text=A.readString(this.size-this.hdr_size)}),l.createFullBoxCtor("vvcC",function(A){var m,v,p={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(D){this.held_bits=D.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(D){this.held_bits=D.readUint16(),this.num_held_bits=16},extract_bits:function(D){var Q=this.held_bits>>this.num_held_bits-D&(1<1){for(p.stream_read_1_bytes(A),this.ptl_sublayer_present_mask=0,v=this.num_sublayers-2;v>=0;--v){var w=p.extract_bits(1);this.ptl_sublayer_present_mask|=w<1;++v)p.extract_bits(1);for(this.sublayer_level_idc=[],v=this.num_sublayers-2;v>=0;--v)this.ptl_sublayer_present_mask&1<"u"||m===null?m=2:m;v.length>=1;m+=l.decimalToHex(p,0),m+=".",this.hvcC.general_tier_flag===0?m+="L":m+="H",m+=this.hvcC.general_level_idc;var b=!1,O="";for(A=5;A>=0;A--)(this.hvcC.general_constraint_indicator[A]||b)&&(O="."+l.decimalToHex(this.hvcC.general_constraint_indicator[A],0)+O,b=!0);m+=O}return m},l.vvc1SampleEntry.prototype.getCodec=l.vvi1SampleEntry.prototype.getCodec=function(){var A,m=l.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){m+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?m+=".H":m+=".L",m+=this.vvcC.general_level_idc;var v="";if(this.vvcC.general_constraint_info){var p=[],b=0;b|=this.vvcC.ptl_frame_only_constraint<<7,b|=this.vvcC.ptl_multilayer_enabled<<6;var O;for(A=0;A>2&63,p.push(b),b&&(O=A),b=this.vvcC.general_constraint_info[A]>>2&3;if(O===void 0)v=".CA";else{v=".C";var w="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",y=0,C=0;for(A=0;A<=O;++A)for(y=y<<8|p[A],C+=8;C>=5;){var x=y>>C-5&31;v+=w[x],C-=5,y&=(1<o&&(this.size+=8),this.type==="uuid"&&(this.size+=16),t.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+A.getPosition()+(m||"")),this.size>o?A.writeUint32(1):(this.sizePosition=A.getPosition(),A.writeUint32(this.size)),A.writeString(this.type,null,4),this.type==="uuid"&&A.writeUint8Array(this.uuid),this.size>o&&A.writeUint64(this.size)},l.FullBox.prototype.writeHeader=function(A){this.size+=4,l.Box.prototype.writeHeader.call(this,A," v="+this.version+" f="+this.flags),A.writeUint8(this.version),A.writeUint24(this.flags)},l.Box.prototype.write=function(A){this.type==="mdat"?this.data&&(this.size=this.data.length,this.writeHeader(A),A.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(A),this.data&&A.writeUint8Array(this.data))},l.ContainerBox.prototype.write=function(A){this.size=0,this.writeHeader(A);for(var m=0;m=2&&A.writeUint32(this.default_sample_description_index),A.writeUint32(this.entries.length),m=0;m0)for(m=0;m+1m?1:0,this.flags=0,this.size=4,this.version===1&&(this.size+=4),this.writeHeader(A),this.version===1?A.writeUint64(this.baseMediaDecodeTime):A.writeUint32(this.baseMediaDecodeTime)},l.tfhdBox.prototype.write=function(A){this.version=0,this.size=4,this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&l.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(A),A.writeUint32(this.track_id),this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET&&A.writeUint64(this.base_data_offset),this.flags&l.TFHD_FLAG_SAMPLE_DESC&&A.writeUint32(this.default_sample_description_index),this.flags&l.TFHD_FLAG_SAMPLE_DUR&&A.writeUint32(this.default_sample_duration),this.flags&l.TFHD_FLAG_SAMPLE_SIZE&&A.writeUint32(this.default_sample_size),this.flags&l.TFHD_FLAG_SAMPLE_FLAGS&&A.writeUint32(this.default_sample_flags)},l.tkhdBox.prototype.write=function(A){this.version=0,this.size=4*18+2*4,this.writeHeader(A),A.writeUint32(this.creation_time),A.writeUint32(this.modification_time),A.writeUint32(this.track_id),A.writeUint32(0),A.writeUint32(this.duration),A.writeUint32(0),A.writeUint32(0),A.writeInt16(this.layer),A.writeInt16(this.alternate_group),A.writeInt16(this.volume<<8),A.writeUint16(0),A.writeInt32Array(this.matrix),A.writeUint32(this.width),A.writeUint32(this.height)},l.trexBox.prototype.write=function(A){this.version=0,this.flags=0,this.size=4*5,this.writeHeader(A),A.writeUint32(this.track_id),A.writeUint32(this.default_sample_description_index),A.writeUint32(this.default_sample_duration),A.writeUint32(this.default_sample_size),A.writeUint32(this.default_sample_flags)},l.trunBox.prototype.write=function(A){this.version=0,this.size=4,this.flags&l.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&l.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&l.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&l.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&l.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&l.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(A),A.writeUint32(this.sample_count),this.flags&l.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=A.getPosition(),A.writeInt32(this.data_offset)),this.flags&l.TRUN_FLAGS_FIRST_FLAG&&A.writeUint32(this.first_sample_flags);for(var m=0;m0&&A.writeUint8Array(this.codecIntializationData)},l.cttsBox.prototype.unpack=function(A){var m,v,p;for(p=0,m=0;m-1)){if(A[v]instanceof l.Box||m[v]instanceof l.Box||typeof A[v]>"u"||typeof m[v]>"u"||typeof A[v]=="function"||typeof m[v]=="function"||A.subBoxNames&&A.subBoxNames.indexOf(v.slice(0,4))>-1||m.subBoxNames&&m.subBoxNames.indexOf(v.slice(0,4))>-1||v==="data"||v==="start"||v==="size"||v==="creation_time"||v==="modification_time"||l.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(v)>-1)continue;if(A[v]!==m[v])return!1}return!0},l.boxEqual=function(A,m){if(!l.boxEqualFields(A,m))return!1;for(var v=0;v1)for(v=1;v-1&&this.fragmentedTracks.splice(m,1)},g.prototype.setExtractionOptions=function(A,m,v){var p=this.getTrackById(A);if(p){var b={};this.extractedTracks.push(b),b.id=A,b.user=m,b.trak=p,p.nextSample=0,b.nb_samples=1e3,b.samples=[],v&&v.nbSamples&&(b.nb_samples=v.nbSamples)}},g.prototype.unsetExtractionOptions=function(A){for(var m=-1,v=0;v-1&&this.extractedTracks.splice(m,1)},g.prototype.parse=function(){var A,m,v=!1;if(!(this.restoreParsePosition&&!this.restoreParsePosition()))for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}else if(this.saveParsePosition&&this.saveParsePosition(),A=l.parseOneBox(this.stream,v),A.code===l.ERR_NOT_ENOUGH_DATA)if(this.processIncompleteBox){if(this.processIncompleteBox(A))continue;return}else return;else{var p;switch(m=A.box,p=m.type!=="uuid"?m.type:m.uuid,this.boxes.push(m),p){case"mdat":this.mdats.push(m);break;case"moof":this.moofs.push(m);break;case"moov":this.moovStartFound=!0,this.mdats.length===0&&(this.isProgressive=!0);default:this[p]!==void 0&&t.warn("ISOFile","Duplicate Box of type: "+p+", overriding previous occurrence"),this[p]=m;break}this.updateUsedBytes&&this.updateUsedBytes(m,A)}},g.prototype.checkBuffer=function(A){if(A==null)throw"Buffer must be defined and non empty";if(A.fileStart===void 0)throw"Buffer must have a fileStart property";return A.byteLength===0?(t.warn("ISOFile","Ignoring empty buffer (fileStart: "+A.fileStart+")"),this.stream.logBufferLevel(),!1):(t.info("ISOFile","Processing buffer (fileStart: "+A.fileStart+")"),A.usedBytes=0,this.stream.insertBuffer(A),this.stream.logBufferLevel(),this.stream.initialized()?!0:(t.warn("ISOFile","Not ready to start parsing"),!1))},g.prototype.appendBuffer=function(A,m){var v;if(this.checkBuffer(A))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(m),this.nextSeekPosition?(v=this.nextSeekPosition,this.nextSeekPosition=void 0):v=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(v=this.stream.getEndFilePositionAfter(v))):this.nextParsePosition?v=this.nextParsePosition:v=0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(t.info("ISOFile","Done processing buffer (fileStart: "+A.fileStart+") - next buffer to fetch should have a fileStart position of "+v),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),t.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),v},g.prototype.getInfo=function(){var A,m,v={},p,b,O,w,y=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(v.hasMoov=!0,v.duration=this.moov.mvhd.duration,v.timescale=this.moov.mvhd.timescale,v.isFragmented=this.moov.mvex!=null,v.isFragmented&&this.moov.mvex.mehd&&(v.fragment_duration=this.moov.mvex.mehd.fragment_duration),v.isProgressive=this.isProgressive,v.hasIOD=this.moov.iods!=null,v.brands=[],v.brands.push(this.ftyp.major_brand),v.brands=v.brands.concat(this.ftyp.compatible_brands),v.created=new Date(y+this.moov.mvhd.creation_time*1e3),v.modified=new Date(y+this.moov.mvhd.modification_time*1e3),v.tracks=[],v.audioTracks=[],v.videoTracks=[],v.subtitleTracks=[],v.metadataTracks=[],v.hintTracks=[],v.otherTracks=[],A=0;A0?v.mime+='video/mp4; codecs="':v.audioTracks&&v.audioTracks.length>0?v.mime+='audio/mp4; codecs="':v.mime+='application/mp4; codecs="',A=0;A=v.samples.length)&&(t.info("ISOFile","Sending fragmented data on track #"+p.id+" for samples ["+Math.max(0,v.nextSample-p.nb_samples)+","+(v.nextSample-1)+"]"),t.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(p.id,p.user,p.segmentStream.buffer,v.nextSample,A||v.nextSample>=v.samples.length),p.segmentStream=null,p!==this.fragmentedTracks[m]))break}}if(this.onSamples!==null)for(m=0;m=v.samples.length)&&(t.debug("ISOFile","Sending samples on track #"+O.id+" for sample "+v.nextSample),this.onSamples&&this.onSamples(O.id,O.user,O.samples),O.samples=[],O!==this.extractedTracks[m]))break}}}},g.prototype.getBox=function(A){var m=this.getBoxes(A,!0);return m.length?m[0]:null},g.prototype.getBoxes=function(A,m){var v=[];return g._sweep.call(this,A,v,m),v},g._sweep=function(A,m,v){this.type&&this.type==A&&m.push(this);for(var p in this.boxes){if(m.length&&v)return;g._sweep.call(this.boxes[p],A,m,v)}},g.prototype.getTrackSamplesInfo=function(A){var m=this.getTrackById(A);if(m)return m.samples},g.prototype.getTrackSample=function(A,m){var v=this.getTrackById(A),p=this.getSample(v,m);return p},g.prototype.releaseUsedSamples=function(A,m){var v=0,p=this.getTrackById(A);p.lastValidSample||(p.lastValidSample=0);for(var b=p.lastValidSample;bA*b.timescale){y=p-1;break}m&&b.is_sync&&(w=p)}for(m&&(y=w),A=v.samples[y].cts,v.nextSample=y;v.samples[y].alreadyRead===v.samples[y].size&&v.samples[y+1];)y++;return O=v.samples[y].offset+v.samples[y].alreadyRead,t.info("ISOFile","Seeking to "+(m?"RAP":"")+" sample #"+v.nextSample+" on track "+v.tkhd.track_id+", time "+t.getDurationString(A,C)+" and offset: "+O),{offset:O,time:A/C}},g.prototype.getTrackDuration=function(A){var m;return A.samples?(m=A.samples[A.samples.length-1],(m.cts+m.duration)/m.timescale):1/0},g.prototype.seek=function(A,m){var v=this.moov,p,b,O,w={offset:1/0,time:1/0};if(this.moov){for(O=0;Othis.getTrackDuration(p))&&(b=this.seekTrack(A,m,p),b.offset-1){w=y;break}switch(w){case"Visual":if(b.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),O.set("width",m.width).set("height",m.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",m.type+" Compressor").set("depth",24),m.avcDecoderConfigRecord){var L=new l.avcCBox;L.parse(new n(m.avcDecoderConfigRecord)),O.addBox(L)}else if(m.hevcDecoderConfigRecord){var S=new l.hvcCBox;S.parse(new n(m.hevcDecoderConfigRecord)),O.addBox(S)}else if(m.vpcDecoderConfigRecord){var T=new l.vpcCBox;T.parse(new n(m.vpcDecoderConfigRecord)),O.addBox(T)}break;case"Audio":b.add("smhd").set("balance",m.balance||0),O.set("channel_count",m.channel_count||2).set("samplesize",m.samplesize||16).set("samplerate",m.samplerate||65536);break;case"Hint":b.add("hmhd");break;case"Subtitle":switch(b.add("sthd"),m.type){case"stpp":O.set("namespace",m.namespace||"nonamespace").set("schema_location",m.schema_location||"").set("auxiliary_mime_types",m.auxiliary_mime_types||"");break}break;case"Metadata":b.add("nmhd");break;case"System":b.add("nmhd");break;default:b.add("nmhd");break}m.description&&O.addBox(m.description),m.description_boxes&&m.description_boxes.forEach(function(Q){O.addBox(Q)}),b.add("dinf").add("dref").addEntry(new l["url Box"]().set("flags",1));var D=b.add("stbl");return D.add("stsd").addEntry(O),D.add("stts").set("sample_counts",[]).set("sample_deltas",[]),D.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),D.add("stco").set("chunk_offsets",[]),D.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",m.id).set("default_sample_description_index",m.default_sample_description_index||1).set("default_sample_duration",m.default_sample_duration||0).set("default_sample_size",m.default_sample_size||0).set("default_sample_flags",m.default_sample_flags||0),this.buildTrakSampleLists(v),m.id}},l.Box.prototype.computeSize=function(A){var m=A||new r;m.endianness=r.BIG_ENDIAN,this.write(m)},g.prototype.addSample=function(A,m,v){var p=v||{},b={},O=this.getTrackById(A);if(O!==null){b.number=O.samples.length,b.track_id=O.tkhd.track_id,b.timescale=O.mdia.mdhd.timescale,b.description_index=p.sample_description_index?p.sample_description_index-1:0,b.description=O.mdia.minf.stbl.stsd.entries[b.description_index],b.data=m,b.size=m.byteLength,b.alreadyRead=b.size,b.duration=p.duration||1,b.cts=p.cts||0,b.dts=p.dts||0,b.is_sync=p.is_sync||!1,b.is_leading=p.is_leading||0,b.depends_on=p.depends_on||0,b.is_depended_on=p.is_depended_on||0,b.has_redundancy=p.has_redundancy||0,b.degradation_priority=p.degradation_priority||0,b.offset=0,b.subsamples=p.subsamples,O.samples.push(b),O.samples_size+=b.size,O.samples_duration+=b.duration,O.first_dts===void 0&&(O.first_dts=p.dts),this.processSamples();var w=this.createSingleSampleMoof(b);return this.addBox(w),w.computeSize(),w.trafs[0].truns[0].data_offset=w.size+8,this.add("mdat").data=new Uint8Array(m),b}},g.prototype.createSingleSampleMoof=function(A){var m=0;A.is_sync?m=1<<25:m=65536;var v=new l.moofBox;v.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var p=v.add("traf"),b=this.getTrackById(A.track_id);return p.add("tfhd").set("track_id",A.track_id).set("flags",l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),p.add("tfdt").set("baseMediaDecodeTime",A.dts-(b.first_dts||0)),p.add("trun").set("flags",l.TRUN_FLAGS_DATA_OFFSET|l.TRUN_FLAGS_DURATION|l.TRUN_FLAGS_SIZE|l.TRUN_FLAGS_FLAGS|l.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[A.duration]).set("sample_size",[A.size]).set("sample_flags",[m]).set("sample_composition_time_offset",[A.cts-A.dts]),v},g.prototype.lastMoofIndex=0,g.prototype.samplesDataSize=0,g.prototype.resetTables=function(){var A,m,v,p,b,O,w,y;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,A=0;A=2&&(C=b[w].grouping_type+"/0",y=new x(b[w].grouping_type,0),y.is_fragment=!0,m.sample_groups_info[C]||(m.sample_groups_info[C]=y))}else for(w=0;w=2&&(C=p[w].grouping_type+"/0",y=new x(p[w].grouping_type,0),A.sample_groups_info[C]||(A.sample_groups_info[C]=y))},g.setSampleGroupProperties=function(A,m,v,p){var b,O;m.sample_groups=[];for(b in p)if(m.sample_groups[b]={},m.sample_groups[b].grouping_type=p[b].grouping_type,m.sample_groups[b].grouping_type_parameter=p[b].grouping_type_parameter,v>=p[b].last_sample_in_run&&(p[b].last_sample_in_run<0&&(p[b].last_sample_in_run=0),p[b].entry_index++,p[b].entry_index<=p[b].sbgp.entries.length-1&&(p[b].last_sample_in_run+=p[b].sbgp.entries[p[b].entry_index].sample_count)),p[b].entry_index<=p[b].sbgp.entries.length-1?m.sample_groups[b].group_description_index=p[b].sbgp.entries[p[b].entry_index].group_description_index:m.sample_groups[b].group_description_index=-1,m.sample_groups[b].group_description_index!==0){var w;p[b].fragment_description?w=p[b].fragment_description:w=p[b].description,m.sample_groups[b].group_description_index>0?(m.sample_groups[b].group_description_index>65535?O=(m.sample_groups[b].group_description_index>>16)-1:O=m.sample_groups[b].group_description_index-1,w&&O>=0&&(m.sample_groups[b].description=w.entries[O])):w&&w.version>=2&&w.default_group_description_index>0&&(m.sample_groups[b].description=w.entries[w.default_group_description_index-1])}},g.process_sdtp=function(A,m,v){m&&(A?(m.is_leading=A.is_leading[v],m.depends_on=A.sample_depends_on[v],m.is_depended_on=A.sample_is_depended_on[v],m.has_redundancy=A.sample_has_redundancy[v]):(m.is_leading=0,m.depends_on=0,m.is_depended_on=0,m.has_redundancy=0))},g.prototype.buildSampleLists=function(){var 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B=!!(L.tfhd.flags&l.TFHD_FLAG_BASE_DATA_OFFSET),P=!!(L.tfhd.flags&l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),F=!!(M.flags&l.TRUN_FLAGS_DATA_OFFSET),R=0;B?R=L.tfhd.base_data_offset:P||m===0?R=x.start:R=y,m===0&&v===0?F?D.offset=R+M.data_offset:D.offset=R:D.offset=y,y=D.offset+D.size,(L.sbgps.length>0||L.sgpds.length>0||S.mdia.minf.stbl.sbgps.length>0||S.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(S,D,D.number_in_traf,L.sample_groups_info)}}if(L.subs){S.has_fragment_subsamples=!0;var N=L.first_sample_index;for(m=0;m-1){v=this.stream.buffers[b];var O=v.byteLength-(p.offset+p.alreadyRead-v.fileStart);if(p.size-p.alreadyRead<=O)return t.debug("ISOFile","Getting sample #"+m+" data (alreadyRead: "+p.alreadyRead+" offset: "+(p.offset+p.alreadyRead-v.fileStart)+" read size: "+(p.size-p.alreadyRead)+" full size: 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Int16Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*2,v},r.prototype.mapInt8Array=function(A){this._realloc(A*1);var m=new Int8Array(this._buffer,this.byteOffset+this.position,A);return this.position+=A*1,m},r.prototype.mapUint32Array=function(A,m){this._realloc(A*4);var v=new Uint32Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*4,v},r.prototype.mapUint16Array=function(A,m){this._realloc(A*2);var v=new Uint16Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*2,v},r.prototype.mapFloat64Array=function(A,m){this._realloc(A*8);var v=new Float64Array(this._buffer,this.byteOffset+this.position,A);return r.arrayToNative(v,m??this.endianness),this.position+=A*8,v},r.prototype.mapFloat32Array=function(A,m){this._realloc(A*4);var v=new Float32Array(this._buffer,this.byteOffset+this.position,A);return 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Uint8Array(A,m,v)),p.buffer.fileStart=A.fileStart+m,p.buffer.usedBytes=0,p.buffer},s.prototype.insertBuffer=function(A){for(var m=!0,v=0;vp.byteLength){this.buffers.splice(v,1),v--;continue}else t.warn("MultiBufferStream","Buffer (fileStart: "+A.fileStart+" - Length: "+A.byteLength+") already appended, ignoring");else A.fileStart+A.byteLength<=p.fileStart||(A=this.reduceBuffer(A,0,p.fileStart-A.fileStart)),t.debug("MultiBufferStream","Appending new buffer (fileStart: "+A.fileStart+" - Length: "+A.byteLength+")"),this.buffers.splice(v,0,A),v===0&&(this.buffer=A);m=!1;break}else if(A.fileStart0)A=this.reduceBuffer(A,b,O);else{m=!1;break}}}m&&(t.debug("MultiBufferStream","Appending new buffer (fileStart: "+A.fileStart+" - Length: "+A.byteLength+")"),this.buffers.push(A),v===0&&(this.buffer=A))},s.prototype.logBufferLevel=function(A){var m,v,p,b,O=[],w,y="";for(p=0,b=0,m=0;m0&&(y+=w.end-1+"]");var C=A?t.info:t.debug;this.buffers.length===0?C("MultiBufferStream","No more buffer in memory"):C("MultiBufferStream",""+this.buffers.length+" stored buffer(s) ("+p+"/"+b+" bytes), continuous ranges: "+y)},s.prototype.cleanBuffers=function(){var A,m;for(A=0;A"+this.buffer.byteLength+")"),!0}else return!1;else return!1},s.prototype.findPosition=function(A,m,v){var p,b=null,O=-1;for(A===!0?p=0:p=this.bufferIndex;p=m?(t.debug("MultiBufferStream","Found position in existing buffer #"+O),O):-1):-1},s.prototype.findEndContiguousBuf=function(A){var m,v,p,b=A!==void 0?A:this.bufferIndex;if(v=this.buffers[b],this.buffers.length>b+1)for(m=b+1;m>3;return L===31&&x.data.length>=2&&(L=32+((x.data[0]&7)<<3)+((x.data[1]&224)>>5)),L}else return null},w.DecoderConfigDescriptor=function(y){w.Descriptor.call(this,m,y)},w.DecoderConfigDescriptor.prototype=new w.Descriptor,w.DecoderConfigDescriptor.prototype.parse=function(y){this.oti=y.readUint8(),this.streamType=y.readUint8(),this.upStream=(this.streamType>>1&1)!==0,this.streamType=this.streamType>>>2,this.bufferSize=y.readUint24(),this.maxBitrate=y.readUint32(),this.avgBitrate=y.readUint32(),this.size-=13,this.parseRemainingDescriptors(y)},w.DecoderSpecificInfo=function(y){w.Descriptor.call(this,v,y)},w.DecoderSpecificInfo.prototype=new w.Descriptor,w.SLConfigDescriptor=function(y){w.Descriptor.call(this,p,y)},w.SLConfigDescriptor.prototype=new w.Descriptor,this};e.MPEG4DescriptorParser=a;var l={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){l.FullBox.prototype=new l.Box,l.ContainerBox.prototype=new l.Box,l.SampleEntry.prototype=new l.Box,l.TrackGroupTypeBox.prototype=new l.FullBox,l.BASIC_BOXES.forEach(function(A){l.createBoxCtor(A)}),l.FULL_BOXES.forEach(function(A){l.createFullBoxCtor(A)}),l.CONTAINER_BOXES.forEach(function(A){l.createContainerBoxCtor(A[0],null,A[1])})},Box:function(A,m,v){this.type=A,this.size=m,this.uuid=v},FullBox:function(A,m,v){l.Box.call(this,A,m,v),this.flags=0,this.version=0},ContainerBox:function(A,m,v){l.Box.call(this,A,m,v),this.boxes=[]},SampleEntry:function(A,m,v,p){l.ContainerBox.call(this,A,m),this.hdr_size=v,this.start=p},SampleGroupEntry:function(A){this.grouping_type=A},TrackGroupTypeBox:function(A,m){l.FullBox.call(this,A,m)},createBoxCtor:function(A,m){l.boxCodes.push(A),l[A+"Box"]=function(v){l.Box.call(this,A,v)},l[A+"Box"].prototype=new l.Box,m&&(l[A+"Box"].prototype.parse=m)},createFullBoxCtor:function(A,m){l[A+"Box"]=function(v){l.FullBox.call(this,A,v)},l[A+"Box"].prototype=new l.FullBox,l[A+"Box"].prototype.parse=function(v){this.parseFullHeader(v),m&&m.call(this,v)}},addSubBoxArrays:function(A){if(A){this.subBoxNames=A;for(var m=A.length,v=0;vv?(t.error("BoxParser","Box of type '"+x+"' has a size "+C+" greater than its container size "+v),{code:l.ERR_NOT_ENOUGH_DATA,type:x,size:C,hdr_size:O,start:b}):C!==0&&b+C>A.getEndPosition()?(A.seek(b),t.info("BoxParser","Not enough data in stream to parse the entire '"+x+"' box"),{code:l.ERR_NOT_ENOUGH_DATA,type:x,size:C,hdr_size:O,start:b}):m?{code:l.OK,type:x,size:C,hdr_size:O,start:b}:(l[x+"Box"]?p=new l[x+"Box"](C):x!=="uuid"?(t.warn("BoxParser","Unknown box type: '"+x+"'"),p=new l.Box(x,C),p.has_unparsed_data=!0):l.UUIDBoxes[y]?p=new l.UUIDBoxes[y](C):(t.warn("BoxParser","Unknown uuid type: '"+y+"'"),p=new l.Box(x,C),p.uuid=y,p.has_unparsed_data=!0),p.hdr_size=O,p.start=b,p.write===l.Box.prototype.write&&p.type!=="mdat"&&(t.info("BoxParser","'"+L+"' box writing not yet implemented, keeping unparsed data in memory for later write"),p.parseDataAndRewind(A)),p.parse(A),w=A.getPosition()-(p.start+p.size),w<0?(t.warn("BoxParser","Parsing of box '"+L+"' did not read the entire indicated box data size (missing "+-w+" bytes), seeking forward"),A.seek(p.start+p.size)):w>0&&(t.error("BoxParser","Parsing of box '"+L+"' read "+w+" more bytes than the indicated box data size, seeking backwards"),p.size!==0&&A.seek(p.start+p.size)),{code:l.OK,box:p,size:p.size})},l.Box.prototype.parse=function(A){this.type!="mdat"?this.data=A.readUint8Array(this.size-this.hdr_size):this.size===0?A.seek(A.getEndPosition()):A.seek(this.start+this.size)},l.Box.prototype.parseDataAndRewind=function(A){this.data=A.readUint8Array(this.size-this.hdr_size),A.position-=this.size-this.hdr_size},l.FullBox.prototype.parseDataAndRewind=function(A){this.parseFullHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,A.position-=this.size-this.hdr_size},l.FullBox.prototype.parseFullHeader=function(A){this.version=A.readUint8(),this.flags=A.readUint24(),this.hdr_size+=4},l.FullBox.prototype.parse=function(A){this.parseFullHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size)},l.ContainerBox.prototype.parse=function(A){for(var m,v;A.getPosition()>10&31,m[1]=this.language>>5&31,m[2]=this.language&31,this.languageString=String.fromCharCode(m[0]+96,m[1]+96,m[2]+96)},l.SAMPLE_ENTRY_TYPE_VISUAL="Visual",l.SAMPLE_ENTRY_TYPE_AUDIO="Audio",l.SAMPLE_ENTRY_TYPE_HINT="Hint",l.SAMPLE_ENTRY_TYPE_METADATA="Metadata",l.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",l.SAMPLE_ENTRY_TYPE_SYSTEM="System",l.SAMPLE_ENTRY_TYPE_TEXT="Text",l.SampleEntry.prototype.parseHeader=function(A){A.readUint8Array(6),this.data_reference_index=A.readUint16(),this.hdr_size+=8},l.SampleEntry.prototype.parse=function(A){this.parseHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size)},l.SampleEntry.prototype.parseDataAndRewind=function(A){this.parseHeader(A),this.data=A.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,A.position-=this.size-this.hdr_size},l.SampleEntry.prototype.parseFooter=function(A){l.ContainerBox.prototype.parse.call(this,A)},l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_HINT),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SYSTEM),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_TEXT),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,function(A){var m;this.parseHeader(A),A.readUint16(),A.readUint16(),A.readUint32Array(3),this.width=A.readUint16(),this.height=A.readUint16(),this.horizresolution=A.readUint32(),this.vertresolution=A.readUint32(),A.readUint32(),this.frame_count=A.readUint16(),m=Math.min(31,A.readUint8()),this.compressorname=A.readString(m),m<31&&A.readString(31-m),this.depth=A.readUint16(),A.readUint16(),this.parseFooter(A)}),l.createMediaSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,function(A){this.parseHeader(A),A.readUint32Array(2),this.channel_count=A.readUint16(),this.samplesize=A.readUint16(),A.readUint16(),A.readUint16(),this.samplerate=A.readUint32()/65536,this.parseFooter(A)}),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),l.createSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"fLaC"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_TEXT,"enct"),l.createEncryptedSampleEntryCtor(l.SAMPLE_ENTRY_TYPE_METADATA,"encm"),l.createBoxCtor("a1lx",function(A){var m=A.readUint8()&1,v=((m&1)+1)*16;this.layer_size=[];for(var p=0;p<3;p++)v==16?this.layer_size[p]=A.readUint16():this.layer_size[p]=A.readUint32()}),l.createBoxCtor("a1op",function(A){this.op_index=A.readUint8()}),l.createFullBoxCtor("auxC",function(A){this.aux_type=A.readCString();var m=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=A.readUint8Array(m)}),l.createBoxCtor("av1C",function(A){var m=A.readUint8();if(m>>7&!1){t.error("av1C marker problem");return}if(this.version=m&127,this.version!==1){t.error("av1C version "+this.version+" not supported");return}if(m=A.readUint8(),this.seq_profile=m>>5&7,this.seq_level_idx_0=m&31,m=A.readUint8(),this.seq_tier_0=m>>7&1,this.high_bitdepth=m>>6&1,this.twelve_bit=m>>5&1,this.monochrome=m>>4&1,this.chroma_subsampling_x=m>>3&1,this.chroma_subsampling_y=m>>2&1,this.chroma_sample_position=m&3,m=A.readUint8(),this.reserved_1=m>>5&7,this.reserved_1!==0){t.error("av1C reserved_1 parsing problem");return}if(this.initial_presentation_delay_present=m>>4&1,this.initial_presentation_delay_present===1)this.initial_presentation_delay_minus_one=m&15;else if(this.reserved_2=m&15,this.reserved_2!==0){t.error("av1C reserved_2 parsing problem");return}var v=this.size-this.hdr_size-4;this.configOBUs=A.readUint8Array(v)}),l.createBoxCtor("avcC",function(A){var m,v;for(this.configurationVersion=A.readUint8(),this.AVCProfileIndication=A.readUint8(),this.profile_compatibility=A.readUint8(),this.AVCLevelIndication=A.readUint8(),this.lengthSizeMinusOne=A.readUint8()&3,this.nb_SPS_nalus=A.readUint8()&31,v=this.size-this.hdr_size-6,this.SPS=[],m=0;m0&&(this.ext=A.readUint8Array(v))}),l.createBoxCtor("btrt",function(A){this.bufferSizeDB=A.readUint32(),this.maxBitrate=A.readUint32(),this.avgBitrate=A.readUint32()}),l.createFullBoxCtor("ccst",function(A){var m=A.readUint8();this.all_ref_pics_intra=(m&128)==128,this.intra_pred_used=(m&64)==64,this.max_ref_per_pic=(m&63)>>2,A.readUint24()}),l.createBoxCtor("cdef",function(A){var m;for(this.channel_count=A.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],m=0;m=32768&&this.component_type_urls.push(A.readCString())}}),l.createFullBoxCtor("co64",function(A){var m,v;if(m=A.readUint32(),this.chunk_offsets=[],this.version===0)for(v=0;v>7}else this.colour_type==="rICC"?this.ICC_profile=A.readUint8Array(this.size-4):this.colour_type==="prof"&&(this.ICC_profile=A.readUint8Array(this.size-4))}),l.createFullBoxCtor("cprt",function(A){this.parseLanguage(A),this.notice=A.readCString()}),l.createFullBoxCtor("cslg",function(A){this.version===0&&(this.compositionToDTSShift=A.readInt32(),this.leastDecodeToDisplayDelta=A.readInt32(),this.greatestDecodeToDisplayDelta=A.readInt32(),this.compositionStartTime=A.readInt32(),this.compositionEndTime=A.readInt32())}),l.createFullBoxCtor("ctts",function(A){var m,v;if(m=A.readUint32(),this.sample_counts=[],this.sample_offsets=[],this.version===0)for(v=0;v>6,this.bsid=m>>1&31,this.bsmod=(m&1)<<2|v>>6&3,this.acmod=v>>3&7,this.lfeon=v>>2&1,this.bit_rate_code=v&3|p>>5&7}),l.createBoxCtor("dec3",function(A){var m=A.readUint16();this.data_rate=m>>3,this.num_ind_sub=m&7,this.ind_subs=[];for(var v=0;v>6,p.bsid=b>>1&31,p.bsmod=(b&1)<<4|O>>4&15,p.acmod=O>>1&7,p.lfeon=O&1,p.num_dep_sub=w>>1&15,p.num_dep_sub>0&&(p.chan_loc=(w&1)<<8|A.readUint8())}}),l.createFullBoxCtor("dfLa",function(A){var m=127,v=128,p=[],b=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];do{var O=A.readUint8(),w=Math.min(O&m,b.length-1);if(w?A.readUint8Array(A.readUint24()):(A.readUint8Array(13),this.samplerate=A.readUint32()>>12,A.readUint8Array(20)),p.push(b[w]),O&v)break}while(!0);this.numMetadataBlocks=p.length+" ("+p.join(", ")+")"}),l.createBoxCtor("dimm",function(A){this.bytessent=A.readUint64()}),l.createBoxCtor("dmax",function(A){this.time=A.readUint32()}),l.createBoxCtor("dmed",function(A){this.bytessent=A.readUint64()}),l.createBoxCtor("dOps",function(A){if(this.Version=A.readUint8(),this.OutputChannelCount=A.readUint8(),this.PreSkip=A.readUint16(),this.InputSampleRate=A.readUint32(),this.OutputGain=A.readInt16(),this.ChannelMappingFamily=A.readUint8(),this.ChannelMappingFamily!==0){this.StreamCount=A.readUint8(),this.CoupledCount=A.readUint8(),this.ChannelMapping=[];for(var m=0;m=4;)this.compatible_brands[v]=A.readString(4),m-=4,v++}),l.createFullBoxCtor("hdlr",function(A){this.version===0&&(A.readUint32(),this.handler=A.readString(4),A.readUint32Array(3),this.name=A.readString(this.size-this.hdr_size-20),this.name[this.name.length-1]==="\0"&&(this.name=this.name.slice(0,-1)))}),l.createBoxCtor("hvcC",function(A){var m,v,p,b;this.configurationVersion=A.readUint8(),b=A.readUint8(),this.general_profile_space=b>>6,this.general_tier_flag=(b&32)>>5,this.general_profile_idc=b&31,this.general_profile_compatibility=A.readUint32(),this.general_constraint_indicator=A.readUint8Array(6),this.general_level_idc=A.readUint8(),this.min_spatial_segmentation_idc=A.readUint16()&4095,this.parallelismType=A.readUint8()&3,this.chroma_format_idc=A.readUint8()&3,this.bit_depth_luma_minus8=A.readUint8()&7,this.bit_depth_chroma_minus8=A.readUint8()&7,this.avgFrameRate=A.readUint16(),b=A.readUint8(),this.constantFrameRate=b>>6,this.numTemporalLayers=(b&13)>>3,this.temporalIdNested=(b&4)>>2,this.lengthSizeMinusOne=b&3,this.nalu_arrays=[];var O=A.readUint8();for(m=0;m>7,w.nalu_type=b&63;var y=A.readUint16();for(v=0;v>4&15,this.length_size=m&15,m=A.readUint8(),this.base_offset_size=m>>4&15,this.version===1||this.version===2?this.index_size=m&15:this.index_size=0,this.items=[];var v=0;if(this.version<2)v=A.readUint16();else if(this.version===2)v=A.readUint32();else throw"version of iloc box not supported";for(var p=0;p>7,this.axis=m&1}),l.createFullBoxCtor("infe",function(A){if((this.version===0||this.version===1)&&(this.item_ID=A.readUint16(),this.item_protection_index=A.readUint16(),this.item_name=A.readCString(),this.content_type=A.readCString(),this.content_encoding=A.readCString()),this.version===1){this.extension_type=A.readString(4),t.warn("BoxParser","Cannot parse extension type"),A.seek(this.start+this.size);return}this.version>=2&&(this.version===2?this.item_ID=A.readUint16():this.version===3&&(this.item_ID=A.readUint32()),this.item_protection_index=A.readUint16(),this.item_type=A.readString(4),this.item_name=A.readCString(),this.item_type==="mime"?(this.content_type=A.readCString(),this.content_encoding=A.readCString()):this.item_type==="uri "&&(this.item_uri_type=A.readCString()))}),l.createFullBoxCtor("ipma",function(A){var m,v;for(entry_count=A.readUint32(),this.associations=[],m=0;m>7===1,this.flags&1?w.property_index=(O&127)<<8|A.readUint8():w.property_index=O&127}}}),l.createFullBoxCtor("iref",function(A){var m,v;for(this.references=[];A.getPosition()>7,p.assignment_type=b&127,p.assignment_type){case 0:p.grouping_type=A.readString(4);break;case 1:p.grouping_type=A.readString(4),p.grouping_type_parameter=A.readUint32();break;case 2:break;case 3:break;case 4:p.sub_track_id=A.readUint32();break;default:t.warn("BoxParser","Unknown leva assignement type")}}}),l.createBoxCtor("lhvC",function(A){var m,v,p;this.configurationVersion=A.readUint8(),this.min_spatial_segmentation_idc=A.readUint16()&4095,this.parallelismType=A.readUint8()&3,p=A.readUint8(),this.numTemporalLayers=(p&13)>>3,this.temporalIdNested=(p&4)>>2,this.lengthSizeMinusOne=p&3,this.nalu_arrays=[];var b=A.readUint8();for(m=0;m>7,O.nalu_type=p&63;var w=A.readUint16();for(v=0;v>8,A.readUint16(),A.readUint32Array(2),this.matrix=A.readUint32Array(9),A.readUint32Array(6),this.next_track_id=A.readUint32()}),l.createBoxCtor("npck",function(A){this.packetssent=A.readUint32()}),l.createBoxCtor("nump",function(A){this.packetssent=A.readUint64()}),l.createFullBoxCtor("padb",function(A){var m=A.readUint32();this.padbits=[];for(var v=0;v0){var m=A.readUint32();this.kid=[];for(var v=0;v0&&(this.data=A.readUint8Array(p))}),l.createFullBoxCtor("clef",function(A){this.width=A.readUint32(),this.height=A.readUint32()}),l.createFullBoxCtor("enof",function(A){this.width=A.readUint32(),this.height=A.readUint32()}),l.createFullBoxCtor("prof",function(A){this.width=A.readUint32(),this.height=A.readUint32()}),l.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),l.createBoxCtor("rtp ",function(A){this.descriptionformat=A.readString(4),this.sdptext=A.readString(this.size-this.hdr_size-4)}),l.createFullBoxCtor("saio",function(A){this.flags&1&&(this.aux_info_type=A.readUint32(),this.aux_info_type_parameter=A.readUint32());var m=A.readUint32();this.offset=[];for(var v=0;v>7,this.avgRateFlag=m>>6&1,this.durationFlag&&(this.duration=A.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=A.readUint8(),this.avgBitRate=A.readUint16(),this.avgFrameRate=A.readUint16()),this.dependency=[];for(var v=A.readUint8(),p=0;p>7,this.num_leading_samples=m&127}),l.createSampleGroupCtor("rash",function(A){if(this.operation_point_count=A.readUint16(),this.description_length!==2+(this.operation_point_count===1?2:this.operation_point_count*6)+9)t.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=A.readUint8Array(this.description_length-2);else{if(this.operation_point_count===1)this.target_rate_share=A.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var m=0;m>4,this.skip_byte_block=m&15,this.isProtected=A.readUint8(),this.Per_Sample_IV_Size=A.readUint8(),this.KID=l.parseHex16(A),this.constant_IV_size=0,this.constant_IV=0,this.isProtected===1&&this.Per_Sample_IV_Size===0&&(this.constant_IV_size=A.readUint8(),this.constant_IV=A.readUint8Array(this.constant_IV_size))}),l.createSampleGroupCtor("stsa",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createSampleGroupCtor("sync",function(A){var m=A.readUint8();this.NAL_unit_type=m&63}),l.createSampleGroupCtor("tele",function(A){var m=A.readUint8();this.level_independently_decodable=m>>7}),l.createSampleGroupCtor("tsas",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createSampleGroupCtor("tscl",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createSampleGroupCtor("vipr",function(A){t.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),l.createFullBoxCtor("sbgp",function(A){this.grouping_type=A.readString(4),this.version===1?this.grouping_type_parameter=A.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var m=A.readUint32(),v=0;v>6,this.sample_depends_on[p]=m>>4&3,this.sample_is_depended_on[p]=m>>2&3,this.sample_has_redundancy[p]=m&3}),l.createFullBoxCtor("senc"),l.createFullBoxCtor("sgpd",function(A){this.grouping_type=A.readString(4),t.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),this.version===1?this.default_length=A.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=A.readUint32()),this.entries=[];for(var m=A.readUint32(),v=0;v>31&1,p.referenced_size=b&2147483647,p.subsegment_duration=A.readUint32(),b=A.readUint32(),p.starts_with_SAP=b>>31&1,p.SAP_type=b>>28&7,p.SAP_delta_time=b&268435455}}),l.SingleItemTypeReferenceBox=function(A,m,v,p){l.Box.call(this,A,m),this.hdr_size=v,this.start=p},l.SingleItemTypeReferenceBox.prototype=new l.Box,l.SingleItemTypeReferenceBox.prototype.parse=function(A){this.from_item_ID=A.readUint16();var m=A.readUint16();this.references=[];for(var v=0;v>4&15,this.sample_sizes[m+1]=p&15}else if(this.field_size===8)for(m=0;m0)for(v=0;v>4&15,this.default_skip_byte_block=m&15}this.default_isProtected=A.readUint8(),this.default_Per_Sample_IV_Size=A.readUint8(),this.default_KID=l.parseHex16(A),this.default_isProtected===1&&this.default_Per_Sample_IV_Size===0&&(this.default_constant_IV_size=A.readUint8(),this.default_constant_IV=A.readUint8Array(this.default_constant_IV_size))}),l.createFullBoxCtor("tfdt",function(A){this.version==1?this.baseMediaDecodeTime=A.readUint64():this.baseMediaDecodeTime=A.readUint32()}),l.createFullBoxCtor("tfhd",function(A){var m=0;this.track_id=A.readUint32(),this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=A.readUint64(),m+=8):this.base_data_offset=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=A.readUint32(),m+=4):this.default_sample_description_index=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=A.readUint32(),m+=4):this.default_sample_duration=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=A.readUint32(),m+=4):this.default_sample_size=0,this.size-this.hdr_size>m&&this.flags&l.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=A.readUint32(),m+=4):this.default_sample_flags=0}),l.createFullBoxCtor("tfra",function(A){this.track_ID=A.readUint32(),A.readUint24();var m=A.readUint8();this.length_size_of_traf_num=m>>4&3,this.length_size_of_trun_num=m>>2&3,this.length_size_of_sample_num=m&3,this.entries=[];for(var v=A.readUint32(),p=0;p>8,A.readUint16(),this.matrix=A.readInt32Array(9),this.width=A.readUint32(),this.height=A.readUint32()}),l.createBoxCtor("tmax",function(A){this.time=A.readUint32()}),l.createBoxCtor("tmin",function(A){this.time=A.readUint32()}),l.createBoxCtor("totl",function(A){this.bytessent=A.readUint32()}),l.createBoxCtor("tpay",function(A){this.bytessent=A.readUint32()}),l.createBoxCtor("tpyl",function(A){this.bytessent=A.readUint64()}),l.TrackGroupTypeBox.prototype.parse=function(A){this.parseFullHeader(A),this.track_group_id=A.readUint32()},l.createTrackGroupCtor("msrc"),l.TrackReferenceTypeBox=function(A,m,v,p){l.Box.call(this,A,m),this.hdr_size=v,this.start=p},l.TrackReferenceTypeBox.prototype=new l.Box,l.TrackReferenceTypeBox.prototype.parse=function(A){this.track_ids=A.readUint32Array((this.size-this.hdr_size)/4)},l.trefBox.prototype.parse=function(A){for(var m,v;A.getPosition()m&&this.flags&l.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=A.readInt32(),m+=4):this.data_offset=0,this.size-this.hdr_size>m&&this.flags&l.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=A.readUint32(),m+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>m)for(var v=0;v>7&1,this.block_pad_lsb=v>>6&1,this.block_little_endian=v>>5&1,this.block_reversed=v>>4&1,this.pad_unknown=v>>3&1,this.pixel_size=A.readUint32(),this.row_align_size=A.readUint32(),this.tile_align_size=A.readUint32(),this.num_tile_cols_minus_one=A.readUint32(),this.num_tile_rows_minus_one=A.readUint32()}}),l.createFullBoxCtor("url ",function(A){this.flags!==1&&(this.location=A.readCString())}),l.createFullBoxCtor("urn ",function(A){this.name=A.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=A.readCString())}),l.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,function(A){this.LiveServerManifest=A.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'")}),l.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,function(A){this.system_id=l.parseHex16(A);var m=A.readUint32();m>0&&(this.data=A.readUint8Array(m))}),l.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),l.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,function(A){this.default_AlgorithmID=A.readUint24(),this.default_IV_size=A.readUint8(),this.default_KID=l.parseHex16(A)}),l.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,function(A){this.fragment_count=A.readUint8(),this.entries=[];for(var m=0;m>4,this.chromaSubsampling=m>>1&7,this.videoFullRangeFlag=m&1,this.colourPrimaries=A.readUint8(),this.transferCharacteristics=A.readUint8(),this.matrixCoefficients=A.readUint8(),this.codecIntializationDataSize=A.readUint16(),this.codecIntializationData=A.readUint8Array(this.codecIntializationDataSize)):(this.profile=A.readUint8(),this.level=A.readUint8(),m=A.readUint8(),this.bitDepth=m>>4&15,this.colorSpace=m&15,m=A.readUint8(),this.chromaSubsampling=m>>4&15,this.transferFunction=m>>1&7,this.videoFullRangeFlag=m&1,this.codecIntializationDataSize=A.readUint16(),this.codecIntializationData=A.readUint8Array(this.codecIntializationDataSize))}),l.createBoxCtor("vttC",function(A){this.text=A.readString(this.size-this.hdr_size)}),l.createFullBoxCtor("vvcC",function(A){var m,v,p={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(D){this.held_bits=D.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(D){this.held_bits=D.readUint16(),this.num_held_bits=16},extract_bits:function(D){var Q=this.held_bits>>this.num_held_bits-D&(1<1){for(p.stream_read_1_bytes(A),this.ptl_sublayer_present_mask=0,v=this.num_sublayers-2;v>=0;--v){var w=p.extract_bits(1);this.ptl_sublayer_present_mask|=w<1;++v)p.extract_bits(1);for(this.sublayer_level_idc=[],v=this.num_sublayers-2;v>=0;--v)this.ptl_sublayer_present_mask&1<"u"||m===null?m=2:m;v.length>=1;m+=l.decimalToHex(p,0),m+=".",this.hvcC.general_tier_flag===0?m+="L":m+="H",m+=this.hvcC.general_level_idc;var b=!1,O="";for(A=5;A>=0;A--)(this.hvcC.general_constraint_indicator[A]||b)&&(O="."+l.decimalToHex(this.hvcC.general_constraint_indicator[A],0)+O,b=!0);m+=O}return m},l.vvc1SampleEntry.prototype.getCodec=l.vvi1SampleEntry.prototype.getCodec=function(){var A,m=l.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){m+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?m+=".H":m+=".L",m+=this.vvcC.general_level_idc;var v="";if(this.vvcC.general_constraint_info){var p=[],b=0;b|=this.vvcC.ptl_frame_only_constraint<<7,b|=this.vvcC.ptl_multilayer_enabled<<6;var O;for(A=0;A>2&63,p.push(b),b&&(O=A),b=this.vvcC.general_constraint_info[A]>>2&3;if(O===void 0)v=".CA";else{v=".C";var w="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",y=0,C=0;for(A=0;A<=O;++A)for(y=y<<8|p[A],C+=8;C>=5;){var x=y>>C-5&31;v+=w[x],C-=5,y&=(1<o&&(this.size+=8),this.type==="uuid"&&(this.size+=16),t.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+A.getPosition()+(m||"")),this.size>o?A.writeUint32(1):(this.sizePosition=A.getPosition(),A.writeUint32(this.size)),A.writeString(this.type,null,4),this.type==="uuid"&&A.writeUint8Array(this.uuid),this.size>o&&A.writeUint64(this.size)},l.FullBox.prototype.writeHeader=function(A){this.size+=4,l.Box.prototype.writeHeader.call(this,A," v="+this.version+" f="+this.flags),A.writeUint8(this.version),A.writeUint24(this.flags)},l.Box.prototype.write=function(A){this.type==="mdat"?this.data&&(this.size=this.data.length,this.writeHeader(A),A.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(A),this.data&&A.writeUint8Array(this.data))},l.ContainerBox.prototype.write=function(A){this.size=0,this.writeHeader(A);for(var m=0;m=2&&A.writeUint32(this.default_sample_description_index),A.writeUint32(this.entries.length),m=0;m0)for(m=0;m+1m?1:0,this.flags=0,this.size=4,this.version===1&&(this.size+=4),this.writeHeader(A),this.version===1?A.writeUint64(this.baseMediaDecodeTime):A.writeUint32(this.baseMediaDecodeTime)},l.tfhdBox.prototype.write=function(A){this.version=0,this.size=4,this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&l.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&l.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(A),A.writeUint32(this.track_id),this.flags&l.TFHD_FLAG_BASE_DATA_OFFSET&&A.writeUint64(this.base_data_offset),this.flags&l.TFHD_FLAG_SAMPLE_DESC&&A.writeUint32(this.default_sample_description_index),this.flags&l.TFHD_FLAG_SAMPLE_DUR&&A.writeUint32(this.default_sample_duration),this.flags&l.TFHD_FLAG_SAMPLE_SIZE&&A.writeUint32(this.default_sample_size),this.flags&l.TFHD_FLAG_SAMPLE_FLAGS&&A.writeUint32(this.default_sample_flags)},l.tkhdBox.prototype.write=function(A){this.version=0,this.size=4*18+2*4,this.writeHeader(A),A.writeUint32(this.creation_time),A.writeUint32(this.modification_time),A.writeUint32(this.track_id),A.writeUint32(0),A.writeUint32(this.duration),A.writeUint32(0),A.writeUint32(0),A.writeInt16(this.layer),A.writeInt16(this.alternate_group),A.writeInt16(this.volume<<8),A.writeUint16(0),A.writeInt32Array(this.matrix),A.writeUint32(this.width),A.writeUint32(this.height)},l.trexBox.prototype.write=function(A){this.version=0,this.flags=0,this.size=4*5,this.writeHeader(A),A.writeUint32(this.track_id),A.writeUint32(this.default_sample_description_index),A.writeUint32(this.default_sample_duration),A.writeUint32(this.default_sample_size),A.writeUint32(this.default_sample_flags)},l.trunBox.prototype.write=function(A){this.version=0,this.size=4,this.flags&l.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&l.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&l.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&l.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&l.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&l.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(A),A.writeUint32(this.sample_count),this.flags&l.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=A.getPosition(),A.writeInt32(this.data_offset)),this.flags&l.TRUN_FLAGS_FIRST_FLAG&&A.writeUint32(this.first_sample_flags);for(var m=0;m0&&A.writeUint8Array(this.codecIntializationData)},l.cttsBox.prototype.unpack=function(A){var m,v,p;for(p=0,m=0;m-1)){if(A[v]instanceof l.Box||m[v]instanceof l.Box||typeof A[v]>"u"||typeof m[v]>"u"||typeof A[v]=="function"||typeof m[v]=="function"||A.subBoxNames&&A.subBoxNames.indexOf(v.slice(0,4))>-1||m.subBoxNames&&m.subBoxNames.indexOf(v.slice(0,4))>-1||v==="data"||v==="start"||v==="size"||v==="creation_time"||v==="modification_time"||l.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(v)>-1)continue;if(A[v]!==m[v])return!1}return!0},l.boxEqual=function(A,m){if(!l.boxEqualFields(A,m))return!1;for(var v=0;v1)for(v=1;v-1&&this.fragmentedTracks.splice(m,1)},g.prototype.setExtractionOptions=function(A,m,v){var p=this.getTrackById(A);if(p){var b={};this.extractedTracks.push(b),b.id=A,b.user=m,b.trak=p,p.nextSample=0,b.nb_samples=1e3,b.samples=[],v&&v.nbSamples&&(b.nb_samples=v.nbSamples)}},g.prototype.unsetExtractionOptions=function(A){for(var m=-1,v=0;v-1&&this.extractedTracks.splice(m,1)},g.prototype.parse=function(){var A,m,v=!1;if(!(this.restoreParsePosition&&!this.restoreParsePosition()))for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}else if(this.saveParsePosition&&this.saveParsePosition(),A=l.parseOneBox(this.stream,v),A.code===l.ERR_NOT_ENOUGH_DATA)if(this.processIncompleteBox){if(this.processIncompleteBox(A))continue;return}else return;else{var p;switch(m=A.box,p=m.type!=="uuid"?m.type:m.uuid,this.boxes.push(m),p){case"mdat":this.mdats.push(m);break;case"moof":this.moofs.push(m);break;case"moov":this.moovStartFound=!0,this.mdats.length===0&&(this.isProgressive=!0);default:this[p]!==void 0&&t.warn("ISOFile","Duplicate Box of type: "+p+", overriding previous occurrence"),this[p]=m;break}this.updateUsedBytes&&this.updateUsedBytes(m,A)}},g.prototype.checkBuffer=function(A){if(A==null)throw"Buffer must be defined and non empty";if(A.fileStart===void 0)throw"Buffer must have a fileStart property";return A.byteLength===0?(t.warn("ISOFile","Ignoring empty buffer (fileStart: "+A.fileStart+")"),this.stream.logBufferLevel(),!1):(t.info("ISOFile","Processing buffer (fileStart: "+A.fileStart+")"),A.usedBytes=0,this.stream.insertBuffer(A),this.stream.logBufferLevel(),this.stream.initialized()?!0:(t.warn("ISOFile","Not ready to start parsing"),!1))},g.prototype.appendBuffer=function(A,m){var v;if(this.checkBuffer(A))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(m),this.nextSeekPosition?(v=this.nextSeekPosition,this.nextSeekPosition=void 0):v=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(v=this.stream.getEndFilePositionAfter(v))):this.nextParsePosition?v=this.nextParsePosition:v=0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(t.info("ISOFile","Done processing buffer (fileStart: "+A.fileStart+") - next buffer to fetch should have a fileStart position of "+v),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),t.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),v},g.prototype.getInfo=function(){var A,m,v={},p,b,O,w,y=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(v.hasMoov=!0,v.duration=this.moov.mvhd.duration,v.timescale=this.moov.mvhd.timescale,v.isFragmented=this.moov.mvex!=null,v.isFragmented&&this.moov.mvex.mehd&&(v.fragment_duration=this.moov.mvex.mehd.fragment_duration),v.isProgressive=this.isProgressive,v.hasIOD=this.moov.iods!=null,v.brands=[],v.brands.push(this.ftyp.major_brand),v.brands=v.brands.concat(this.ftyp.compatible_brands),v.created=new Date(y+this.moov.mvhd.creation_time*1e3),v.modified=new Date(y+this.moov.mvhd.modification_time*1e3),v.tracks=[],v.audioTracks=[],v.videoTracks=[],v.subtitleTracks=[],v.metadataTracks=[],v.hintTracks=[],v.otherTracks=[],A=0;A0?v.mime+='video/mp4; codecs="':v.audioTracks&&v.audioTracks.length>0?v.mime+='audio/mp4; codecs="':v.mime+='application/mp4; codecs="',A=0;A=v.samples.length)&&(t.info("ISOFile","Sending fragmented data on track #"+p.id+" for samples ["+Math.max(0,v.nextSample-p.nb_samples)+","+(v.nextSample-1)+"]"),t.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(p.id,p.user,p.segmentStream.buffer,v.nextSample,A||v.nextSample>=v.samples.length),p.segmentStream=null,p!==this.fragmentedTracks[m]))break}}if(this.onSamples!==null)for(m=0;m=v.samples.length)&&(t.debug("ISOFile","Sending samples on track #"+O.id+" for sample "+v.nextSample),this.onSamples&&this.onSamples(O.id,O.user,O.samples),O.samples=[],O!==this.extractedTracks[m]))break}}}},g.prototype.getBox=function(A){var m=this.getBoxes(A,!0);return m.length?m[0]:null},g.prototype.getBoxes=function(A,m){var v=[];return g._sweep.call(this,A,v,m),v},g._sweep=function(A,m,v){this.type&&this.type==A&&m.push(this);for(var p in this.boxes){if(m.length&&v)return;g._sweep.call(this.boxes[p],A,m,v)}},g.prototype.getTrackSamplesInfo=function(A){var m=this.getTrackById(A);if(m)return m.samples},g.prototype.getTrackSample=function(A,m){var v=this.getTrackById(A),p=this.getSample(v,m);return p},g.prototype.releaseUsedSamples=function(A,m){var v=0,p=this.getTrackById(A);p.lastValidSample||(p.lastValidSample=0);for(var b=p.lastValidSample;bA*b.timescale){y=p-1;break}m&&b.is_sync&&(w=p)}for(m&&(y=w),A=v.samples[y].cts,v.nextSample=y;v.samples[y].alreadyRead===v.samples[y].size&&v.samples[y+1];)y++;return O=v.samples[y].offset+v.samples[y].alreadyRead,t.info("ISOFile","Seeking to "+(m?"RAP":"")+" sample #"+v.nextSample+" on track "+v.tkhd.track_id+", time "+t.getDurationString(A,C)+" and offset: "+O),{offset:O,time:A/C}},g.prototype.getTrackDuration=function(A){var m;return A.samples?(m=A.samples[A.samples.length-1],(m.cts+m.duration)/m.timescale):1/0},g.prototype.seek=function(A,m){var v=this.moov,p,b,O,w={offset:1/0,time:1/0};if(this.moov){for(O=0;Othis.getTrackDuration(p))&&(b=this.seekTrack(A,m,p),b.offset-1){w=y;break}switch(w){case"Visual":if(b.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),O.set("width",m.width).set("height",m.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",m.type+" Compressor").set("depth",24),m.avcDecoderConfigRecord){var L=new l.avcCBox;L.parse(new n(m.avcDecoderConfigRecord)),O.addBox(L)}else if(m.hevcDecoderConfigRecord){var S=new l.hvcCBox;S.parse(new n(m.hevcDecoderConfigRecord)),O.addBox(S)}else if(m.vpcDecoderConfigRecord){var T=new l.vpcCBox;T.parse(new n(m.vpcDecoderConfigRecord)),O.addBox(T)}break;case"Audio":b.add("smhd").set("balance",m.balance||0),O.set("channel_count",m.channel_count||2).set("samplesize",m.samplesize||16).set("samplerate",m.samplerate||65536);break;case"Hint":b.add("hmhd");break;case"Subtitle":switch(b.add("sthd"),m.type){case"stpp":O.set("namespace",m.namespace||"nonamespace").set("schema_location",m.schema_location||"").set("auxiliary_mime_types",m.auxiliary_mime_types||"");break}break;case"Metadata":b.add("nmhd");break;case"System":b.add("nmhd");break;default:b.add("nmhd");break}m.description&&O.addBox(m.description),m.description_boxes&&m.description_boxes.forEach(function(Q){O.addBox(Q)}),b.add("dinf").add("dref").addEntry(new l["url Box"]().set("flags",1));var D=b.add("stbl");return D.add("stsd").addEntry(O),D.add("stts").set("sample_counts",[]).set("sample_deltas",[]),D.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),D.add("stco").set("chunk_offsets",[]),D.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",m.id).set("default_sample_description_index",m.default_sample_description_index||1).set("default_sample_duration",m.default_sample_duration||0).set("default_sample_size",m.default_sample_size||0).set("default_sample_flags",m.default_sample_flags||0),this.buildTrakSampleLists(v),m.id}},l.Box.prototype.computeSize=function(A){var m=A||new r;m.endianness=r.BIG_ENDIAN,this.write(m)},g.prototype.addSample=function(A,m,v){var p=v||{},b={},O=this.getTrackById(A);if(O!==null){b.number=O.samples.length,b.track_id=O.tkhd.track_id,b.timescale=O.mdia.mdhd.timescale,b.description_index=p.sample_description_index?p.sample_description_index-1:0,b.description=O.mdia.minf.stbl.stsd.entries[b.description_index],b.data=m,b.size=m.byteLength,b.alreadyRead=b.size,b.duration=p.duration||1,b.cts=p.cts||0,b.dts=p.dts||0,b.is_sync=p.is_sync||!1,b.is_leading=p.is_leading||0,b.depends_on=p.depends_on||0,b.is_depended_on=p.is_depended_on||0,b.has_redundancy=p.has_redundancy||0,b.degradation_priority=p.degradation_priority||0,b.offset=0,b.subsamples=p.subsamples,O.samples.push(b),O.samples_size+=b.size,O.samples_duration+=b.duration,O.first_dts===void 0&&(O.first_dts=p.dts),this.processSamples();var w=this.createSingleSampleMoof(b);return this.addBox(w),w.computeSize(),w.trafs[0].truns[0].data_offset=w.size+8,this.add("mdat").data=new Uint8Array(m),b}},g.prototype.createSingleSampleMoof=function(A){var m=0;A.is_sync?m=1<<25:m=65536;var v=new l.moofBox;v.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var p=v.add("traf"),b=this.getTrackById(A.track_id);return p.add("tfhd").set("track_id",A.track_id).set("flags",l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),p.add("tfdt").set("baseMediaDecodeTime",A.dts-(b.first_dts||0)),p.add("trun").set("flags",l.TRUN_FLAGS_DATA_OFFSET|l.TRUN_FLAGS_DURATION|l.TRUN_FLAGS_SIZE|l.TRUN_FLAGS_FLAGS|l.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[A.duration]).set("sample_size",[A.size]).set("sample_flags",[m]).set("sample_composition_time_offset",[A.cts-A.dts]),v},g.prototype.lastMoofIndex=0,g.prototype.samplesDataSize=0,g.prototype.resetTables=function(){var A,m,v,p,b,O,w,y;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,A=0;A=2&&(C=b[w].grouping_type+"/0",y=new x(b[w].grouping_type,0),y.is_fragment=!0,m.sample_groups_info[C]||(m.sample_groups_info[C]=y))}else for(w=0;w=2&&(C=p[w].grouping_type+"/0",y=new x(p[w].grouping_type,0),A.sample_groups_info[C]||(A.sample_groups_info[C]=y))},g.setSampleGroupProperties=function(A,m,v,p){var b,O;m.sample_groups=[];for(b in p)if(m.sample_groups[b]={},m.sample_groups[b].grouping_type=p[b].grouping_type,m.sample_groups[b].grouping_type_parameter=p[b].grouping_type_parameter,v>=p[b].last_sample_in_run&&(p[b].last_sample_in_run<0&&(p[b].last_sample_in_run=0),p[b].entry_index++,p[b].entry_index<=p[b].sbgp.entries.length-1&&(p[b].last_sample_in_run+=p[b].sbgp.entries[p[b].entry_index].sample_count)),p[b].entry_index<=p[b].sbgp.entries.length-1?m.sample_groups[b].group_description_index=p[b].sbgp.entries[p[b].entry_index].group_description_index:m.sample_groups[b].group_description_index=-1,m.sample_groups[b].group_description_index!==0){var w;p[b].fragment_description?w=p[b].fragment_description:w=p[b].description,m.sample_groups[b].group_description_index>0?(m.sample_groups[b].group_description_index>65535?O=(m.sample_groups[b].group_description_index>>16)-1:O=m.sample_groups[b].group_description_index-1,w&&O>=0&&(m.sample_groups[b].description=w.entries[O])):w&&w.version>=2&&w.default_group_description_index>0&&(m.sample_groups[b].description=w.entries[w.default_group_description_index-1])}},g.process_sdtp=function(A,m,v){m&&(A?(m.is_leading=A.is_leading[v],m.depends_on=A.sample_depends_on[v],m.is_depended_on=A.sample_is_depended_on[v],m.has_redundancy=A.sample_has_redundancy[v]):(m.is_leading=0,m.depends_on=0,m.is_depended_on=0,m.has_redundancy=0))},g.prototype.buildSampleLists=function(){var A,m;for(A=0;A"u")){for(m=0;mF&&(R++,F<0&&(F=0),F+=O.sample_counts[R]),m>0?(A.samples[m-1].duration=O.sample_deltas[R],A.samples_duration+=A.samples[m-1].duration,Y.dts=A.samples[m-1].dts+A.samples[m-1].duration):Y.dts=0,w?(m>=N&&(I++,N<0&&(N=0),N+=w.sample_counts[I]),Y.cts=A.samples[m].dts+w.sample_offsets[I]):Y.cts=Y.dts,y?(m==y.sample_numbers[W]-1?(Y.is_sync=!0,W++):(Y.is_sync=!1,Y.degradation_priority=0),x&&x.entries[V].sample_delta+z==m+1&&(Y.subsamples=x.entries[V].subsamples,z+=x.entries[V].sample_delta,V++)):Y.is_sync=!0,g.process_sdtp(A.mdia.minf.stbl.sdtp,Y,Y.number),T?Y.degradation_priority=T.priority[m]:Y.degradation_priority=0,x&&x.entries[V].sample_delta+z==m&&(Y.subsamples=x.entries[V].subsamples,z+=x.entries[V].sample_delta),(L.length>0||S.length>0)&&g.setSampleGroupProperties(A,Y,m,A.sample_groups_info)}m>0&&(A.samples[m-1].duration=Math.max(A.mdia.mdhd.duration-A.samples[m-1].dts,0),A.samples_duration+=A.samples[m-1].duration)}},g.prototype.updateSampleLists=function(){var A,m,v,p,b,O,w,y,C,x,L,S,T,D,Q;if(this.moov!==void 0){for(;this.lastMoofIndex0&&g.initSampleGroups(S,L,L.sbgps,S.mdia.minf.stbl.sgpds,L.sgpds),m=0;m0?D.dts=S.samples[S.samples.length-2].dts+S.samples[S.samples.length-2].duration:(L.tfdt?D.dts=L.tfdt.baseMediaDecodeTime:D.dts=0,S.first_traf_merged=!0),D.cts=D.dts,M.flags&l.TRUN_FLAGS_CTS_OFFSET&&(D.cts=D.dts+M.sample_composition_time_offset[v]),Q=w,M.flags&l.TRUN_FLAGS_FLAGS?Q=M.sample_flags[v]:v===0&&M.flags&l.TRUN_FLAGS_FIRST_FLAG&&(Q=M.first_sample_flags),D.is_sync=!(Q>>16&1),D.is_leading=Q>>26&3,D.depends_on=Q>>24&3,D.is_depended_on=Q>>22&3,D.has_redundancy=Q>>20&3,D.degradation_priority=Q&65535;var B=!!(L.tfhd.flags&l.TFHD_FLAG_BASE_DATA_OFFSET),P=!!(L.tfhd.flags&l.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),F=!!(M.flags&l.TRUN_FLAGS_DATA_OFFSET),R=0;B?R=L.tfhd.base_data_offset:P||m===0?R=x.start:R=y,m===0&&v===0?F?D.offset=R+M.data_offset:D.offset=R:D.offset=y,y=D.offset+D.size,(L.sbgps.length>0||L.sgpds.length>0||S.mdia.minf.stbl.sbgps.length>0||S.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(S,D,D.number_in_traf,L.sample_groups_info)}}if(L.subs){S.has_fragment_subsamples=!0;var N=L.first_sample_index;for(m=0;m-1){v=this.stream.buffers[b];var O=v.byteLength-(p.offset+p.alreadyRead-v.fileStart);if(p.size-p.alreadyRead<=O)return t.debug("ISOFile","Getting sample #"+m+" data (alreadyRead: "+p.alreadyRead+" offset: "+(p.offset+p.alreadyRead-v.fileStart)+" read size: "+(p.size-p.alreadyRead)+" full size: "+p.size+")"),r.memcpy(p.data.buffer,p.alreadyRead,v,p.offset+p.alreadyRead-v.fileStart,p.size-p.alreadyRead),v.usedBytes+=p.size-p.alreadyRead,this.stream.logBufferLevel(),p.alreadyRead=p.size,p;if(O===0)return null;t.debug("ISOFile","Getting sample #"+m+" partial data (alreadyRead: "+p.alreadyRead+" offset: "+(p.offset+p.alreadyRead-v.fileStart)+" read size: "+O+" full size: "+p.size+")"),r.memcpy(p.data.buffer,p.alreadyRead,v,p.offset+p.alreadyRead-v.fileStart,O),p.alreadyRead+=O,v.usedBytes+=O,this.stream.logBufferLevel()}else return null}},g.prototype.releaseSample=function(A,m){var v=A.samples[m];return v.data?(this.samplesDataSize-=v.size,v.data=null,v.alreadyRead=0,v.size):0},g.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},g.prototype.getCodecs=function(){var A,m="";for(A=0;A0&&(m+=","),m+=v.mdia.minf.stbl.stsd.entries[0].getCodec()}return m},g.prototype.getTrexById=function(A){var m;if(!this.moov||!this.moov.mvex)return null;for(m=0;m0&&(b.protection=O.ipro.protections[O.iinf.item_infos[v].protection_index-1]),O.iinf.item_infos[v].item_type?b.type=O.iinf.item_infos[v].item_type:b.type="mime",b.content_type=O.iinf.item_infos[v].content_type,b.content_encoding=O.iinf.item_infos[v].content_encoding;if(O.grpl)for(v=0;v0&&S.property_index-1-1){m=this.stream.buffers[O];var w=m.byteLength-(b.offset+b.alreadyRead-m.fileStart);if(b.length-b.alreadyRead<=w)t.debug("ISOFile","Getting item #"+A+" extent #"+p+" data (alreadyRead: "+b.alreadyRead+" offset: "+(b.offset+b.alreadyRead-m.fileStart)+" read size: "+(b.length-b.alreadyRead)+" full extent size: "+b.length+" full item size: "+v.size+")"),r.memcpy(v.data.buffer,v.alreadyRead,m,b.offset+b.alreadyRead-m.fileStart,b.length-b.alreadyRead),m.usedBytes+=b.length-b.alreadyRead,this.stream.logBufferLevel(),v.alreadyRead+=b.length-b.alreadyRead,b.alreadyRead=b.length;else return t.debug("ISOFile","Getting item #"+A+" extent #"+p+" partial data (alreadyRead: "+b.alreadyRead+" offset: "+(b.offset+b.alreadyRead-m.fileStart)+" read size: "+w+" full extent size: "+b.length+" full item size: "+v.size+")"),r.memcpy(v.data.buffer,v.alreadyRead,m,b.offset+b.alreadyRead-m.fileStart,w),b.alreadyRead+=w,v.alreadyRead+=w,m.usedBytes+=w,this.stream.logBufferLevel(),null}else return null}}return v.alreadyRead===v.size?v:null},g.prototype.releaseItem=function(A){var m=this.items[A];if(m.data){this.itemsDataSize-=m.size,m.data=null,m.alreadyRead=0;for(var v=0;v0?this.moov.traks[A].samples[0].duration:0),m.push(p)}return m},l.Box.prototype.printHeader=function(A){this.size+=8,this.size>o&&(this.size+=8),this.type==="uuid"&&(this.size+=16),A.log(A.indent+"size:"+this.size),A.log(A.indent+"type:"+this.type)},l.FullBox.prototype.printHeader=function(A){this.size+=4,l.Box.prototype.printHeader.call(this,A),A.log(A.indent+"version:"+this.version),A.log(A.indent+"flags:"+this.flags)},l.Box.prototype.print=function(A){this.printHeader(A)},l.ContainerBox.prototype.print=function(A){this.printHeader(A);for(var m=0;m>8)),A.log(A.indent+"matrix: "+this.matrix.join(", ")),A.log(A.indent+"next_track_id: "+this.next_track_id)},l.tkhdBox.prototype.print=function(A){l.FullBox.prototype.printHeader.call(this,A),A.log(A.indent+"creation_time: "+this.creation_time),A.log(A.indent+"modification_time: "+this.modification_time),A.log(A.indent+"track_id: "+this.track_id),A.log(A.indent+"duration: "+this.duration),A.log(A.indent+"volume: "+(this.volume>>8)),A.log(A.indent+"matrix: "+this.matrix.join(", ")),A.log(A.indent+"layer: "+this.layer),A.log(A.indent+"alternate_group: "+this.alternate_group),A.log(A.indent+"width: "+this.width),A.log(A.indent+"height: "+this.height)};var k={};k.createFile=function(A,m){var v=A!==void 0?A:!0,p=new g(m);return p.discardMdatData=!v,p},e.createFile=k.createFile})(Q_n);const OGe=MMs(Q_n),RMs=()=>{let e,t=16.6;self.onmessage=n=>{n.data.event==="start"&&(self.clearInterval(e),e=self.setInterval(()=>{self.postMessage({})},t)),n.data.event==="stop"&&self.clearInterval(e)}},IMs=()=>{const e=new Blob([`(${RMs.toString()})()`]),t=URL.createObjectURL(e);return new Worker(t)},rU=new Map;let wGe=1,ij=null;globalThis.Worker!=null&&(ij=IMs(),ij.onmessage=()=>{wGe+=1;for(const[e,t]of rU)if(wGe%e===0)for(const n of t)n()});const NMs=(e,t)=>{const n=Math.round(t/16.6),r=rU.get(n)??new Set;return r.add(e),rU.set(n,r),rU.size===1&&r.size===1&&(ij==null||ij.postMessage({event:"start"})),()=>{r.delete(e),r.size===0&&rU.delete(n),rU.size===0&&(wGe=0,ij==null||ij.postMessage({event:"stop"}))}};function UMs(e){return e instanceof Error?String(e):typeof e=="object"?JSON.stringify(e,(t,n)=>n instanceof Error?String(n):n):String(e)}function jMs(){const e=new Date;return`${e.getHours()}:${e.getMinutes()}:${e.getSeconds()}.${e.getMilliseconds()}`}let B_n=1;const F_n=[],_kn=["debug","info","warn","error"].reduce((e,t,n)=>Object.assign(e,{[t]:(...r)=>{B_n<=n&&(console[t](...r),F_n.push({lvName:t,timeStr:jMs(),args:r}))}}),{}),foe=new Map,ld={setLogLevel:e=>{B_n=foe.get(e)??1},..._kn,create:e=>Object.fromEntries(Object.entries(_kn).map(([t,n])=>[t,(...r)=>n(e,...r)])),async dump(){return F_n.reduce((e,{lvName:t,timeStr:n,args:r})=>e+`[${t}][${n}] ${r.map(o=>UMs(o)).join(" ")} `,"")}};foe.set(ld.debug,0);foe.set(ld.info,1);foe.set(ld.warn,2);foe.set(ld.error,3);(async function(){if(await Promise.resolve(),!(globalThis.navigator==null||globalThis.document==null)&&(ld.info(`@webav version: 1.2.7, date: ${new Date().toLocaleDateString()}`),ld.info(globalThis.navigator.userAgent),document.addEventListener("visibilitychange",()=>{ld.info(`visibilitychange: ${document.visibilityState}`)}),"PressureObserver"in globalThis)){let e="";new PressureObserver(t=>{const n=JSON.stringify(t.map(r=>r.state));n!==e&&(ld.info(`cpu state change: ${n}`),e=n)}).observe("cpu")}})();class WMs{constructor(t,n,r){this.length_=t,this.scaleFactor_=(t-1)/n,this.interpolate=this.cubic,r.method==="point"?this.interpolate=this.point:r.method==="linear"?this.interpolate=this.linear:r.method==="sinc"&&(this.interpolate=this.sinc),this.tangentFactor_=1-Math.max(0,Math.min(1,r.tension||0)),this.sincFilterSize_=r.sincFilterSize||1,this.kernel_=VMs(r.sincWindow||HMs)}point(t,n){return this.getClippedInput_(Math.round(this.scaleFactor_*t),n)}linear(t,n){t=this.scaleFactor_*t;let r=Math.floor(t);return 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l.translate(o/2,s/2),l.rotate(-r*Math.PI/180),l.translate(-e/2,-t/2),d=>{if(d==null)return null;l.drawImage(d,0,0);const u=new VideoFrame(a,{timestamp:d.timestamp,duration:d.duration??void 0});return d.close(),u}}let Nat=0;function oMe(e){return e.kind==="file"&&e.createReader instanceof Function}var SGe,DAe,QAe,V3,C0,Ix,rS,BAe,FAe,z3,kD,BG,sU,Nx,iv,FG;const wRs=class aU{constructor(t,n={}){if(Oo(this,SGe,Nat++),Oo(this,DAe,ld.create(`MP4Clip id:${Jt(this,SGe)},`)),Ky(this,"ready"),Oo(this,QAe,!1),Oo(this,V3,{duration:0,width:0,height:0,audioSampleRate:0,audioChanCount:0}),Oo(this,C0),Oo(this,Ix,[]),Oo(this,rS,{perspective:1,rotationRad:0,rotationDeg:0,scaleX:1,scaleY:1,translateX:0,translateY:0}),Oo(this,BAe,o=>o),Oo(this,FAe,1),Oo(this,z3,[]),Oo(this,kD,[]),Oo(this,BG,null),Oo(this,sU,null),Oo(this,Nx,{video:null,audio:null}),Oo(this,iv,{audio:!0}),Ky(this,"tickInterceptor",async(o,s)=>s),Oo(this,FG,new AbortController),!(t instanceof ReadableStream)&&!oMe(t)&&!Array.isArray(t.videoSamples))throw Error("Illegal argument");jr(this,iv,{audio:!0,...n}),jr(this,FAe,typeof n.audio=="object"&&"volume"in n.audio?n.audio.volume:1);const r=async o=>(await Rat(Jt(this,C0),o),Jt(this,C0));jr(this,C0,oMe(t)?t:"localFile"in t?t.localFile:lRs()),this.ready=(t instanceof ReadableStream?r(t).then(o=>ivn(o,Jt(this,iv))):oMe(t)?ivn(t,Jt(this,iv)):Promise.resolve(t)).then(async({videoSamples:o,audioSamples:s,decoderConf:a,headerBoxPos:l,parsedMatrix:d})=>{jr(this,z3,o),jr(this,kD,s),jr(this,Nx,a),jr(this,Ix,l),jr(this,rS,d);const{videoFrameFinder:u,audioFrameFinder:h}=CRs({video:a.video==null?null:{...a.video,hardwareAcceleration:Jt(this,iv).__unsafe_hardwareAcceleration__},audio:a.audio},await Jt(this,C0).createReader(),o,s,Jt(this,iv).audio!==!1?Jt(this,FAe):0);jr(this,BG,u),jr(this,sU,h);const{codedWidth:f,codedHeight:g}=a.video??{};return f&&g&&jr(this,BAe,ORs(f,g,d.rotationDeg)),jr(this,V3,yRs(a,o,s,d.rotationDeg)),Jt(this,DAe).info("MP4Clip meta:",Jt(this,V3)),{...Jt(this,V3)}})}get meta(){return{...Jt(this,V3)}}async getFileHeaderBinData(){await this.ready;const t=await Jt(this,C0).getOriginFile();if(t==null)throw Error("MP4Clip localFile is not origin file");return await new Blob(Jt(this,Ix).map(({start:n,size:r})=>t.slice(n,n+r))).arrayBuffer()}async tick(t){var n,r,o;if(t>=Jt(this,V3).duration)return await this.tickInterceptor(t,{audio:await((n=Jt(this,sU))==null?void 0:n.find(t))??[],state:"done"});const[s,a]=await Promise.all([((r=Jt(this,sU))==null?void 0:r.find(t))??[],(o=Jt(this,BG))==null?void 0:o.find(t).then(Jt(this,BAe))]);return a==null?await this.tickInterceptor(t,{audio:s,state:"success"}):await this.tickInterceptor(t,{video:a,audio:s,state:"success"})}async thumbnails(t=100,n){Jt(this,FG).abort(),jr(this,FG,new AbortController);const r=Jt(this,FG).signal;await this.ready;const o="generate thumbnails aborted";if(r.aborted)throw Error(o);const{width:s,height:a}=Jt(this,V3),l=ERs(t,Math.round(a*(t/s)),{quality:.1,type:"image/png"});return new Promise(async(d,u)=>{let h=[];const f=Jt(this,Nx).video;if(f==null||Jt(this,z3).length===0){g();return}r.addEventListener("abort",()=>{u(Error(o))});async function g(){r.aborted||d(await Promise.all(h.map(async p=>({ts:p.ts,img:await p.img}))))}function k(p){h.push({ts:p.timestamp,img:l(p)})}const{start:A=0,end:m=Jt(this,V3).duration,step:v}=n??{};if(v){let p=A;const b=new Z_n(await Jt(this,C0).createReader(),Jt(this,z3),{...f,hardwareAcceleration:Jt(this,iv).__unsafe_hardwareAcceleration__});for(;p<=m&&!r.aborted;){const O=await b.find(p);O&&k(O),p+=v}b.destroy(),g()}else await FRs(Jt(this,z3),Jt(this,C0),f,r,{start:A,end:m},(p,b)=>{p!=null&&k(p),b&&g()})})}async split(t){if(await this.ready,t<=0||t>=Jt(this,V3).duration)throw Error('"time" out of bounds');const[n,r]=DRs(Jt(this,z3),t),[o,s]=QRs(Jt(this,kD),t),a=new aU({localFile:Jt(this,C0),videoSamples:n??[],audioSamples:o??[],decoderConf:Jt(this,Nx),headerBoxPos:Jt(this,Ix),parsedMatrix:Jt(this,rS)},Jt(this,iv)),l=new aU({localFile:Jt(this,C0),videoSamples:r??[],audioSamples:s??[],decoderConf:Jt(this,Nx),headerBoxPos:Jt(this,Ix),parsedMatrix:Jt(this,rS)},Jt(this,iv));return await Promise.all([a.ready,l.ready]),[a,l]}async clone(){await this.ready;const t=new aU({localFile:Jt(this,C0),videoSamples:[...Jt(this,z3)],audioSamples:[...Jt(this,kD)],decoderConf:Jt(this,Nx),headerBoxPos:Jt(this,Ix),parsedMatrix:Jt(this,rS)},Jt(this,iv));return await t.ready,t.tickInterceptor=this.tickInterceptor,t}async splitTrack(){await this.ready;const t=[];if(Jt(this,z3).length>0){const n=new aU({localFile:Jt(this,C0),videoSamples:[...Jt(this,z3)],audioSamples:[],decoderConf:{video:Jt(this,Nx).video,audio:null},headerBoxPos:Jt(this,Ix),parsedMatrix:Jt(this,rS)},Jt(this,iv));await n.ready,n.tickInterceptor=this.tickInterceptor,t.push(n)}if(Jt(this,kD).length>0){const n=new aU({localFile:Jt(this,C0),videoSamples:[],audioSamples:[...Jt(this,kD)],decoderConf:{audio:Jt(this,Nx).audio,video:null},headerBoxPos:Jt(this,Ix),parsedMatrix:Jt(this,rS)},Jt(this,iv));await n.ready,n.tickInterceptor=this.tickInterceptor,t.push(n)}return t}destroy(){var t,n;Jt(this,QAe)||(Jt(this,DAe).info("MP4Clip destroy"),jr(this,QAe,!0),(t=Jt(this,BG))==null||t.destroy(),(n=Jt(this,sU))==null||n.destroy())}};SGe=new WeakMap,DAe=new WeakMap,QAe=new WeakMap,V3=new WeakMap,C0=new WeakMap,Ix=new WeakMap,rS=new WeakMap,BAe=new WeakMap,FAe=new WeakMap,z3=new WeakMap,kD=new WeakMap,BG=new WeakMap,sU=new WeakMap,Nx=new WeakMap,iv=new WeakMap,FG=new WeakMap;let z_n=wRs;function yRs(e,t,n,r){const o={duration:0,width:0,height:0,audioSampleRate:0,audioChanCount:0};if(e.video!=null&&t.length>0){o.width=e.video.codedWidth??0,o.height=e.video.codedHeight??0;const l=(Math.round(r/90)*90+360)%360;(l===90||l===270)&&([o.width,o.height]=[o.height,o.width])}e.audio!=null&&n.length>0&&(o.audioSampleRate=Yp.sampleRate,o.audioChanCount=Yp.channelCount);let s=0,a=0;if(t.length>0)for(let l=t.length-1;l>=0;l--){const d=t[l];if(!d.deleted){s=d.cts+d.duration;break}}if(n.length>0){const l=n.at(-1);a=l.cts+l.duration}return o.duration=Math.max(s,a),o}function CRs(e,t,n,r,o){return{audioFrameFinder:o===0||e.audio==null||r.length===0?null:new LRs(t,r,e.audio,{volume:o,targetSampleRate:Yp.sampleRate}),videoFrameFinder:e.video==null||n.length===0?null:new Z_n(t,n,e.video)}}async function ivn(e,t={}){let n=null;const r={video:null,audio:null};let o=[],s=[],a=[];const l={perspective:1,rotationRad:0,rotationDeg:0,scaleX:1,scaleY:1,translateX:0,translateY:0};let d=-1,u=-1;const h=await e.createReader();await pRs(h,async g=>{var k;n=g.info;const A=g.mp4boxFile.ftyp;a.push({start:A.start,size:A.size});const m=g.mp4boxFile.moov;a.push({start:m.start,size:m.size}),Object.assign(l,bRs((k=n.videoTracks[0])==null?void 0:k.matrix));let{videoDecoderConf:v,audioDecoderConf:p}=gRs(g.mp4boxFile,g.info);if(r.video=v??null,r.audio=p??null,v==null&&p==null&&ld.error("MP4Clip no video and audio track"),p!=null){const{supported:b}=await AudioDecoder.isConfigSupported(p);b||ld.error(`MP4Clip audio codec is not supported: ${p.codec}`)}if(v!=null){const{supported:b}=await VideoDecoder.isConfigSupported(v);b||ld.error(`MP4Clip video codec is not supported: ${v.codec}`)}ld.info("mp4BoxFile moov ready",{...g.info,tracks:null,videoTracks:null,audioTracks:null},r)},(g,k,A)=>{if(k==="video"){d===-1&&(d=A[0].dts);for(const m of A)o.push(rvn(m,d,"video"))}else if(k==="audio"&&t.audio){u===-1&&(u=A[0].dts);for(const m of A)s.push(rvn(m,u,"audio"))}}),await h.close();const f=o.at(-1)??s.at(-1);if(n==null)throw Error("MP4Clip stream is done, but not emit ready");if(f==null)throw Error("MP4Clip stream not contain any sample");return QGe(o),ld.info("mp4 stream parsed"),{videoSamples:o,audioSamples:s,decoderConf:r,headerBoxPos:a,parsedMatrix:l}}function rvn(e,t=0,n){let r=e.offset;const o=n==="video"&&e.is_sync?BRs(e.data,e.description.type):-1;let s=e.size;return o>0&&(r+=o,s-=o),{...e,is_idr:o>=0,offset:r,size:s,cts:(e.cts-t)/e.timescale*1e6,dts:(e.dts-t)/e.timescale*1e6,duration:e.duration/e.timescale*1e6,timescale:1e6,data:n==="video"?null:e.data}}var $m,lU,cU,PAe,dU,Ux,ap,oS,vD,uU,MAe,PG,pD,RAe,hU,IAe;class Z_n{constructor(t,n,r){Oo(this,$m,null),Oo(this,lU,0),Oo(this,cU,{abort:!1,st:performance.now()}),Ky(this,"find",async o=>{(Jt(this,$m)==null||Jt(this,$m).state==="closed"||o<=Jt(this,lU)||o-Jt(this,lU)>3e6)&&Jt(this,hU).call(this,o),Jt(this,cU).abort=!0,jr(this,lU,o),jr(this,cU,{abort:!1,st:performance.now()});const s=await Jt(this,PG).call(this,o,Jt(this,$m),Jt(this,cU));return jr(this,uU,0),s}),Oo(this,PAe,0),Oo(this,dU,!1),Oo(this,Ux,0),Oo(this,ap,[]),Oo(this,oS,0),Oo(this,vD,0),Oo(this,uU,0),Oo(this,MAe,!1),Oo(this,PG,async(o,s,a)=>{if(s==null||s.state==="closed"||a.abort)return null;if(Jt(this,ap).length>0){const l=Jt(this,ap)[0];return ol.timestamp+(l.duration??0)?(l.close(),await Jt(this,PG).call(this,o,s,a)):(!Jt(this,MAe)&&Jt(this,ap).length<10&&Jt(this,RAe).call(this,s).catch(d=>{throw jr(this,MAe,!0),Jt(this,hU).call(this,o),d}),l))}if(Jt(this,pD)||Jt(this,oS)0){if(performance.now()-a.st>6e3)throw Error(`MP4Clip.tick video timeout, ${JSON.stringify(Jt(this,IAe).call(this))}`);jr(this,uU,Jt(this,uU)+1),await V_n(15)}else{if(Jt(this,Ux)>=this.samples.length)return null;try{await Jt(this,RAe).call(this,s)}catch(l){throw Jt(this,hU).call(this,o),l}}return await Jt(this,PG).call(this,o,s,a)}),Oo(this,pD,!1),Oo(this,RAe,async o=>{var s,a;if(Jt(this,pD)||o.decodeQueueSize>600)return;let l=Jt(this,Ux)+1;if(l>this.samples.length)return;jr(this,pD,!0);let d=!1;for(;l1e3){const k=u[0],A=u.at(-1),m=A.offset+A.size-k.offset;ld.warn(`Read video samples time cost: ${Math.round(g)}ms, file chunk size: ${m}`)}if(o.state==="closed")return;jr(this,PAe,((a=f[0])==null?void 0:a.duration)??0),DGe(o,f,{onDecodingError:k=>{if(Jt(this,dU))throw k;Jt(this,oS)===0&&(jr(this,dU,!0),ld.warn("Downgrade to software decode"),Jt(this,hU).call(this))}}),jr(this,vD,Jt(this,vD)+f.length)}}jr(this,Ux,l),jr(this,pD,!1)}),Oo(this,hU,o=>{var s,a;if(jr(this,pD,!1),Jt(this,ap).forEach(d=>d.close()),jr(this,ap,[]),o==null||o===0)jr(this,Ux,0);else{let d=0;for(let u=0;u{if(jr(this,oS,Jt(this,oS)+1),d.timestamp===-1){d.close();return}let u=d;d.duration==null&&(u=new VideoFrame(d,{duration:Jt(this,PAe)}),d.close()),Jt(this,ap).push(u)},error:d=>{if(d.message.includes("Codec reclaimed due to inactivity")){jr(this,$m,null),ld.warn(d.message);return}const u=`VideoFinder VideoDecoder err: ${d.message}, config: ${JSON.stringify(l)}, state: ${JSON.stringify(Jt(this,IAe).call(this))}`;throw ld.error(u),Error(u)}})),Jt(this,$m).configure(l)}),Oo(this,IAe,()=>{var o,s;return{time:Jt(this,lU),decState:(o=Jt(this,$m))==null?void 0:o.state,decQSize:(s=Jt(this,$m))==null?void 0:s.decodeQueueSize,decCusorIdx:Jt(this,Ux),sampleLen:this.samples.length,inputCnt:Jt(this,vD),outputCnt:Jt(this,oS),cacheFrameLen:Jt(this,ap).length,softDeocde:Jt(this,dU),clipIdCnt:Nat,sleepCnt:Jt(this,uU),memInfo:X_n()}}),Ky(this,"destroy",()=>{var o,s;((o=Jt(this,$m))==null?void 0:o.state)!=="closed"&&((s=Jt(this,$m))==null||s.close()),jr(this,$m,null),Jt(this,cU).abort=!0,Jt(this,ap).forEach(a=>a.close()),jr(this,ap,[]),this.localFileReader.close()}),this.localFileReader=t,this.samples=n,this.conf=r}}$m=new WeakMap,lU=new WeakMap,cU=new WeakMap,PAe=new WeakMap,dU=new WeakMap,Ux=new WeakMap,ap=new WeakMap,oS=new WeakMap,vD=new WeakMap,uU=new WeakMap,MAe=new WeakMap,PG=new WeakMap,pD=new WeakMap,RAe=new WeakMap,hU=new WeakMap,IAe=new WeakMap;function xRs(e,t){for(let n=0;n=r.cts&&ee)break}return 0}var NAe,UAe,Z3,AU,jx,sS,db,fU,jAe,WAe,TGe,EGe;class LRs{constructor(t,n,r,o){Oo(this,NAe,1),Oo(this,UAe),Oo(this,Z3,null),Oo(this,AU,{abort:!1,st:performance.now()}),Ky(this,"find",async s=>{const a=s<=Jt(this,jx)||s-Jt(this,jx)>1e5;(Jt(this,Z3)==null||Jt(this,Z3).state==="closed"||a)&&Jt(this,TGe).call(this),a&&(jr(this,jx,s),jr(this,sS,xRs(s,this.samples))),Jt(this,AU).abort=!0;const l=s-Jt(this,jx);jr(this,jx,s),jr(this,AU,{abort:!1,st:performance.now()});const d=await Jt(this,jAe).call(this,Math.ceil(l*(Jt(this,UAe)/1e6)),Jt(this,Z3),Jt(this,AU));return jr(this,fU,0),d}),Oo(this,jx,0),Oo(this,sS,0),Oo(this,db,{frameCnt:0,data:[]}),Oo(this,fU,0),Oo(this,jAe,async(s,a=null,l)=>{if(a==null||l.abort||a.state==="closed"||s===0)return[];const d=Jt(this,db).frameCnt-s;if(d>0)return d3e3)throw l.abort=!0,Error(`MP4Clip.tick audio timeout, ${JSON.stringify(Jt(this,EGe).call(this))}`);jr(this,fU,Jt(this,fU)+1),await V_n(15)}else{if(Jt(this,sS)>=this.samples.length-1)return ovn(Jt(this,db),Jt(this,db).frameCnt);Jt(this,WAe).call(this,a)}return Jt(this,jAe).call(this,s,a,l)}),Oo(this,WAe,s=>{if(s.decodeQueueSize>10)return;const a=[];let l=Jt(this,sS);for(;l=10))break}jr(this,sS,l),s.decode(a.map(d=>new EncodedAudioChunk({type:"key",timestamp:d.cts,duration:d.duration,data:d.data})))}),Oo(this,TGe,()=>{var s;jr(this,jx,0),jr(this,sS,0),jr(this,db,{frameCnt:0,data:[]}),(s=Jt(this,Z3))==null||s.close(),jr(this,Z3,SRs(this.conf,{resampleRate:Yp.sampleRate,volume:Jt(this,NAe)},a=>{Jt(this,db).data.push(a),Jt(this,db).frameCnt+=a[0].length}))}),Oo(this,EGe,()=>{var s,a;return{time:Jt(this,jx),decState:(s=Jt(this,Z3))==null?void 0:s.state,decQSize:(a=Jt(this,Z3))==null?void 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