ArtPlayer/docs/compiled/artplayer-proxy-webav.legacy.js

/*!
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 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2025 Harvey Zack
 * Released under the MIT License.
 */
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l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,t*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null!=e?e:this.endianness),this.position+=r.byteLength,r},l.prototype.readInt32=function(t){var e=this._dataView.getInt32(this.position,null!=t?t:this.endianness);return this.position+=4,e},l.prototype.readInt16=function(t){var e=this._dataView.getInt16(this.position,null!=t?t:this.endianness);return this.position+=2,e},l.prototype.readInt8=function(){var t=this._dataView.getInt8(this.position);return this.position+=1,t},l.prototype.readUint32=function(t){var e=this._dataView.getUint32(this.position,null!=t?t:this.endianness);return this.position+=4,e},l.prototype.readUint16=function(t){var e=this._dataView.getUint16(this.position,null!=t?t:this.endianness);return this.position+=2,e},l.prototype.readUint8=function(){var t=this._dataView.getUint8(this.position);return this.position+=1,t},l.prototype.readFloat32=function(t){var e=this._dataView.getFloat32(this.position,null!=t?t:this.endianness);return this.position+=4,e},l.prototype.readFloat64=function(t){var e=this._dataView.getFloat64(this.position,null!=t?t:this.endianness);return this.position+=8,e},l.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,l.memcpy=function(t,e,r,n,s){var a=new Uint8Array(t,e,s),o=new Uint8Array(r,n,s);a.set(o)},l.arrayToNative=function(t,e){return e==this.endianness?t:this.flipArrayEndianness(t)},l.nativeToEndian=function(t,e){return this.endianness==e?t:this.flipArrayEndianness(t)},l.flipArrayEndianness=function(t){for(var e=new Uint8Array(t.buffer,t.byteOffset,t.byteLength),r=0;r<t.byteLength;r+=t.BYTES_PER_ELEMENT)for(var n=r+t.BYTES_PER_ELEMENT-1,s=r;n>s;n--,s++){var a=e[s];e[s]=e[n],e[n]=a}return t},l.prototype.failurePosition=0,String.fromCharCodeUint8=function(t){for(var e=[],r=0;r<t.length;r++)e[r]=t[r];return String.fromCharCode.apply(null,e)},l.prototype.readString=function(t,e){return null==e||"ASCII"==e?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null!=t?t:this.byteLength-this.position)]):new TextDecoder(e).decode(this.mapUint8Array(t))},l.prototype.readCString=function(t){var e=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),n=e;null!=t&&(n=Math.min(t,e));for(var s=0;s<n&&0!==r[s];s++);var a=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(s)]);return null!=t?this.position+=n-s:s!=e&&(this.position+=1),a},l.prototype.readInt64=function(){return 4294967296*this.readInt32()+this.readUint32()},l.prototype.readUint64=function(){return 4294967296*this.readUint32()+this.readUint32()},l.prototype.readInt64=function(){return 4294967296*this.readUint32()+this.readUint32()},l.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},rQ.DataStream=l,l.prototype.save=function(t){var e=new Blob([this.buffer]);if(window.URL&&URL.createObjectURL){var r=window.URL.createObjectURL(e),n=document.createElement("a");document.body.appendChild(n),n.setAttribute("href",r),n.setAttribute("download",t),n.setAttribute("target","_self"),n.click(),window.URL.revokeObjectURL(r)}else throw"DataStream.save: Can't create object URL."},l.prototype._dynamicSize=!0,Object.defineProperty(l.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(t){t||this._trimAlloc(),this._dynamicSize=t}}),l.prototype.shift=function(t){var e=new ArrayBuffer(this._byteLength-t),r=new Uint8Array(e),n=new Uint8Array(this._buffer,t,r.length);r.set(n),this.buffer=e,this.position-=t},l.prototype.writeInt32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Int32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeInt32(t[r],e)},l.prototype.writeInt16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Int16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt16Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeInt16(t[r],e)},l.prototype.writeInt8Array=function(t){if(this._realloc(1*t.length),t instanceof Int8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapInt8Array(t.length);else for(var e=0;e<t.length;e++)this.writeInt8(t[e])},l.prototype.writeUint32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Uint32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeUint32(t[r],e)},l.prototype.writeUint16Array=function(t,e){if(this._realloc(2*t.length),t instanceof Uint16Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint16Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeUint16(t[r],e)},l.prototype.writeUint8Array=function(t){if(this._realloc(1*t.length),t instanceof Uint8Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapUint8Array(t.length);else for(var e=0;e<t.length;e++)this.writeUint8(t[e])},l.prototype.writeFloat64Array=function(t,e){if(this._realloc(8*t.length),t instanceof Float64Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat64Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeFloat64(t[r],e)},l.prototype.writeFloat32Array=function(t,e){if(this._realloc(4*t.length),t instanceof Float32Array&&this.byteOffset+this.position%t.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,t.buffer,0,t.byteLength),this.mapFloat32Array(t.length,e);else for(var r=0;r<t.length;r++)this.writeFloat32(t[r],e)},l.prototype.writeInt32=function(t,e){this._realloc(4),this._dataView.setInt32(this.position,t,null!=e?e:this.endianness),this.position+=4},l.prototype.writeInt16=function(t,e){this._realloc(2),this._dataView.setInt16(this.position,t,null!=e?e:this.endianness),this.position+=2},l.prototype.writeInt8=function(t){this._realloc(1),this._dataView.setInt8(this.position,t),this.position+=1},l.prototype.writeUint32=function(t,e){this._realloc(4),this._dataView.setUint32(this.position,t,null!=e?e:this.endianness),this.position+=4},l.prototype.writeUint16=function(t,e){this._realloc(2),this._dataView.setUint16(this.position,t,null!=e?e:this.endianness),this.position+=2},l.prototype.writeUint8=function(t){this._realloc(1),this._dataView.setUint8(this.position,t),this.position+=1},l.prototype.writeFloat32=function(t,e){this._realloc(4),this._dataView.setFloat32(this.position,t,null!=e?e:this.endianness),this.position+=4},l.prototype.writeFloat64=function(t,e){this._realloc(8),this._dataView.setFloat64(this.position,t,null!=e?e:this.endianness),this.position+=8},l.prototype.writeUCS2String=function(t,e,r){null==r&&(r=t.length);for(var n=0;n<t.length&&n<r;n++)this.writeUint16(t.charCodeAt(n),e);for(;n<r;n++)this.writeUint16(0)},l.prototype.writeString=function(t,e,r){var n=0;if(null==e||"ASCII"==e){if(null!=r){var s=Math.min(t.length,r);for(n=0;n<s;n++)this.writeUint8(t.charCodeAt(n));for(;n<r;n++)this.writeUint8(0)}else for(n=0;n<t.length;n++)this.writeUint8(t.charCodeAt(n))}else this.writeUint8Array(new TextEncoder(e).encode(t.substring(0,r)))},l.prototype.writeCString=function(t,e){var r=0;if(null!=e){var n=Math.min(t.length,e);for(r=0;r<n;r++)this.writeUint8(t.charCodeAt(r));for(;r<e;r++)this.writeUint8(0)}else{for(r=0;r<t.length;r++)this.writeUint8(t.charCodeAt(r));this.writeUint8(0)}},l.prototype.writeStruct=function(t,e){for(var r=0;r<t.length;r+=2){var n=t[r+1];this.writeType(n,e[t[r]],e)}},l.prototype.writeType=function(t,e,r){if("function"==typeof t)return t(this,e);if("object"==typeof t&&!(t instanceof Array))return t.set(this,e,r);var n,s=null,a="ASCII",o=this.position;switch("string"==typeof t&&/:/.test(t)&&(t=(n=t.split(":"))[0],s=parseInt(n[1])),"string"==typeof t&&/,/.test(t)&&(t=(n=t.split(","))[0],a=parseInt(n[1])),t){case"uint8":this.writeUint8(e);break;case"int8":this.writeInt8(e);break;case"uint16":this.writeUint16(e,this.endianness);break;case"int16":this.writeInt16(e,this.endianness);break;case"uint32":this.writeUint32(e,this.endianness);break;case"int32":this.writeInt32(e,this.endianness);break;case"float32":this.writeFloat32(e,this.endianness);break;case"float64":this.writeFloat64(e,this.endianness);break;case"uint16be":this.writeUint16(e,l.BIG_ENDIAN);break;case"int16be":this.writeInt16(e,l.BIG_ENDIAN);break;case"uint32be":this.writeUint32(e,l.BIG_ENDIAN);break;case"int32be":this.writeInt32(e,l.BIG_ENDIAN);break;case"float32be":this.writeFloat32(e,l.BIG_ENDIAN);break;case"float64be":this.writeFloat64(e,l.BIG_ENDIAN);break;case"uint16le":this.writeUint16(e,l.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(e,l.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(e,l.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(e,l.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(e,l.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(e,l.LITTLE_ENDIAN);break;case"cstring":this.writeCString(e,s);break;case"string":this.writeString(e,a,s);break;case"u16string":this.writeUCS2String(e,this.endianness,s);break;case"u16stringle":this.writeUCS2String(e,l.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(e,l.BIG_ENDIAN,s);break;default:if(3==t.length){for(var u=t[1],c=0;c<e.length;c++)this.writeType(u,e[c]);break}this.writeStruct(t,e)}null!=s&&(this.position=o,this._realloc(s),this.position=o+s)},l.prototype.writeUint64=function(t){var e=Math.floor(t/4294967296);this.writeUint32(e),this.writeUint32(4294967295&t)},l.prototype.writeUint24=function(t){this.writeUint8((16711680&t)>>16),this.writeUint8((65280&t)>>8),this.writeUint8(255&t)},l.prototype.adjustUint32=function(t,e){var r=this.position;this.seek(t),this.writeUint32(e),this.seek(r)},l.prototype.mapInt32Array=function(t,e){this._realloc(4*t);var r=new Int32Array(this._buffer,this.byteOffset+this.position,t);return l.arrayToNative(r,null!=e?e:this.endianness),this.position+=4*t,r},l.prototype.mapInt16Array=function(t,e){this._realloc(2*t);var r=new Int16Array(this._buffer,this.byteOffset+this.position,t);return l.arrayToNative(r,null!=e?e:this.endianness),this.position+=2*t,r},l.prototype.mapInt8Array=function(t){this._realloc(1*t);var e=new Int8Array(this._buffer,this.byteOffset+this.position,t);return this.position+=1*t,e},l.prototype.mapUint32Array=function(t,e){this._realloc(4*t);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,t);return l.arrayToNative(r,null!=e?e:this.endianness),this.position+=4*t,r},l.prototype.mapUint16Array=function(t,e){this._realloc(2*t);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,t);return l.arrayToNative(r,null!=e?e:this.endianness),this.position+=2*t,r},l.prototype.mapFloat64Array=function(t,e){this._realloc(8*t);var r=new Float64Array(this._buffer,this.byteOffset+this.position,t);return l.arrayToNative(r,null!=e?e:this.endianness),this.position+=8*t,r},l.prototype.mapFloat32Array=function(t,e){this._realloc(4*t);var r=new Float32Array(this._buffer,this.byteOffset+this.position,t);return l.arrayToNative(r,null!=e?e:this.endianness),this.position+=4*t,r},(c=function(t){this.buffers=[],this.bufferIndex=-1,t&&(this.insertBuffer(t),this.bufferIndex=0)}).prototype=new l(new ArrayBuffer,0,l.BIG_ENDIAN),c.prototype.initialized=function(){var t;return this.bufferIndex>-1||(this.buffers.length>0?0===(t=this.buffers[0]).fileStart?(this.buffer=t,this.bufferIndex=0,o.debug("MultiBufferStream","Stream ready for parsing"),!0):(o.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(o.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(t,e){o.debug("ArrayBuffer","Trying to create a new buffer of size: "+(t.byteLength+e.byteLength));var r=new Uint8Array(t.byteLength+e.byteLength);return r.set(new Uint8Array(t),0),r.set(new Uint8Array(e),t.byteLength),r.buffer},c.prototype.reduceBuffer=function(t,e,r){var n;return(n=new Uint8Array(r)).set(new Uint8Array(t,e,r)),n.buffer.fileStart=t.fileStart+e,n.buffer.usedBytes=0,n.buffer},c.prototype.insertBuffer=function(t){for(var e=!0,r=0;r<this.buffers.length;r++){var n=this.buffers[r];if(t.fileStart<=n.fileStart){if(t.fileStart===n.fileStart){if(t.byteLength>n.byteLength){this.buffers.splice(r,1),r--;continue}o.warn("MultiBufferStream","Buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+") already appended, ignoring")}else t.fileStart+t.byteLength<=n.fileStart||(t=this.reduceBuffer(t,0,n.fileStart-t.fileStart)),o.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.splice(r,0,t),0===r&&(this.buffer=t);e=!1;break}if(t.fileStart<n.fileStart+n.byteLength){var s=n.fileStart+n.byteLength-t.fileStart,a=t.byteLength-s;if(a>0)t=this.reduceBuffer(t,s,a);else{e=!1;break}}}e&&(o.debug("MultiBufferStream","Appending new buffer (fileStart: "+t.fileStart+" - Length: "+t.byteLength+")"),this.buffers.push(t),0===r&&(this.buffer=t))},c.prototype.logBufferLevel=function(t){var e,r,n,s,a,u=[],l="";for(n=0,s=0,e=0;e<this.buffers.length;e++)r=this.buffers[e],0===e?(u.push(a={}),a.start=r.fileStart,a.end=r.fileStart+r.byteLength,l+="["+a.start+"-"):a.end===r.fileStart?a.end=r.fileStart+r.byteLength:((a={}).start=r.fileStart,l+=u[u.length-1].end-1+"], ["+a.start+"-",a.end=r.fileStart+r.byteLength,u.push(a)),n+=r.usedBytes,s+=r.byteLength;u.length>0&&(l+=a.end-1+"]"),(t?o.info:o.debug)("MultiBufferStream",0===this.buffers.length?"No more buffer in memory":""+this.buffers.length+" stored buffer(s) ("+n+"/"+s+" bytes), continuous ranges: "+l)},c.prototype.cleanBuffers=function(){var t,e;for(t=0;t<this.buffers.length;t++)(e=this.buffers[t]).usedBytes===e.byteLength&&(o.debug("MultiBufferStream","Removing buffer #"+t),this.buffers.splice(t,1),t--)},c.prototype.mergeNextBuffer=function(){if(!(this.bufferIndex+1<this.buffers.length)||(t=this.buffers[this.bufferIndex+1]).fileStart!==this.buffer.fileStart+this.buffer.byteLength)return!1;var t,e=this.buffer.byteLength,r=this.buffer.usedBytes,n=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,t),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=n,o.debug("ISOFile","Concatenating buffer for box parsing (length: "+e+"->"+this.buffer.byteLength+")"),!0},c.prototype.findPosition=function(t,e,r){var n,s=null,a=-1;for(n=!0===t?0:this.bufferIndex;n<this.buffers.length&&(s=this.buffers[n]).fileStart<=e;)a=n,r&&(s.fileStart+s.byteLength<=e?s.usedBytes=s.byteLength:s.usedBytes=e-s.fileStart,this.logBufferLevel()),n++;return -1!==a&&(s=this.buffers[a]).fileStart+s.byteLength>=e?(o.debug("MultiBufferStream","Found position in existing buffer #"+a),a):-1},c.prototype.findEndContiguousBuf=function(t){var e,r,n,s=void 0!==t?t:this.bufferIndex;if(r=this.buffers[s],this.buffers.length>s+1)for(e=s+1;e<this.buffers.length&&(n=this.buffers[e]).fileStart===r.fileStart+r.byteLength;e++)r=n;return r.fileStart+r.byteLength},c.prototype.getEndFilePositionAfter=function(t){var e=this.findPosition(!0,t,!1);return -1!==e?this.findEndContiguousBuf(e):t},c.prototype.addUsedBytes=function(t){this.buffer.usedBytes+=t,this.logBufferLevel()},c.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},c.prototype.seek=function(t,e,r){var n;return -1!==(n=this.findPosition(e,t,r))?(this.buffer=this.buffers[n],this.bufferIndex=n,this.position=t-this.buffer.fileStart,o.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(o.debug("MultiBufferStream","Position "+t+" not found in buffered data"),!1)},c.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},c.prototype.getLength=function(){return this.byteLength},c.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},rQ.MultiBufferStream=c,h=function(){var t=[];t[3]="ES_Descriptor",t[4]="DecoderConfigDescriptor",t[5]="DecoderSpecificInfo",t[6]="SLConfigDescriptor",this.getDescriptorName=function(e){return t[e]};var e=this,r={};return this.parseOneDescriptor=function(e){var n,s,a,u=0;for(n=e.readUint8(),a=e.readUint8();128&a;)u=(127&a)<<7,a=e.readUint8();return u+=127&a,o.debug("MPEG4DescriptorParser","Found "+(t[n]||"Descriptor "+n)+", size "+u+" at position "+e.getPosition()),(s=t[n]?new r[t[n]](u):new r.Descriptor(u)).parse(e),s},r.Descriptor=function(t,e){this.tag=t,this.size=e,this.descs=[]},r.Descriptor.prototype.parse=function(t){this.data=t.readUint8Array(this.size)},r.Descriptor.prototype.findDescriptor=function(t){for(var e=0;e<this.descs.length;e++)if(this.descs[e].tag==t)return this.descs[e];return null},r.Descriptor.prototype.parseRemainingDescriptors=function(t){for(var r=t.position;t.position<r+this.size;){var n=e.parseOneDescriptor(t);this.descs.push(n)}},r.ES_Descriptor=function(t){r.Descriptor.call(this,3,t)},r.ES_Descriptor.prototype=new r.Descriptor,r.ES_Descriptor.prototype.parse=function(t){if(this.ES_ID=t.readUint16(),this.flags=t.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=t.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var e=t.readUint8();this.URL=t.readString(e),this.size-=e+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=t.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(t)},r.ES_Descriptor.prototype.getOTI=function(t){var e=this.findDescriptor(4);return e?e.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(t){var e=this.findDescriptor(4);if(!e)return null;var r=e.findDescriptor(5);if(!r||!r.data)return null;var n=(248&r.data[0])>>3;return 31===n&&r.data.length>=2&&(n=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),n},r.DecoderConfigDescriptor=function(t){r.Descriptor.call(this,4,t)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(t){this.oti=t.readUint8(),this.streamType=t.readUint8(),this.bufferSize=t.readUint24(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32(),this.size-=13,this.parseRemainingDescriptors(t)},r.DecoderSpecificInfo=function(t){r.Descriptor.call(this,5,t)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(t){r.Descriptor.call(this,6,t)},r.SLConfigDescriptor.prototype=new r.Descriptor,this},rQ.MPEG4DescriptorParser=h,(f={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(){f.FullBox.prototype=new f.Box,f.ContainerBox.prototype=new f.Box,f.SampleEntry.prototype=new f.Box,f.TrackGroupTypeBox.prototype=new f.FullBox,f.BASIC_BOXES.forEach(function(t){f.createBoxCtor(t)}),f.FULL_BOXES.forEach(function(t){f.createFullBoxCtor(t)}),f.CONTAINER_BOXES.forEach(function(t){f.createContainerBoxCtor(t[0],null,t[1])})},Box:function(t,e,r){this.type=t,this.size=e,this.uuid=r},FullBox:function(t,e,r){f.Box.call(this,t,e,r),this.flags=0,this.version=0},ContainerBox:function(t,e,r){f.Box.call(this,t,e,r),this.boxes=[]},SampleEntry:function(t,e,r,n){f.ContainerBox.call(this,t,e),this.hdr_size=r,this.start=n},SampleGroupEntry:function(t){this.grouping_type=t},TrackGroupTypeBox:function(t,e){f.FullBox.call(this,t,e)},createBoxCtor:function(t,e){f.boxCodes.push(t),f[t+"Box"]=function(e){f.Box.call(this,t,e)},f[t+"Box"].prototype=new f.Box,e&&(f[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,e){f[t+"Box"]=function(e){f.FullBox.call(this,t,e)},f[t+"Box"].prototype=new f.FullBox,f[t+"Box"].prototype.parse=function(t){this.parseFullHeader(t),e&&e.call(this,t)}},addSubBoxArrays:function(t){if(t){this.subBoxNames=t;for(var e=t.length,r=0;r<e;r++)this[t[r]+"s"]=[]}},createContainerBoxCtor:function(t,e,r){f[t+"Box"]=function(e){f.ContainerBox.call(this,t,e),f.addSubBoxArrays.call(this,r)},f[t+"Box"].prototype=new f.ContainerBox,e&&(f[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(t,e,r){f.sampleEntryCodes[t]=[],f[t+"SampleEntry"]=function(t,e){f.SampleEntry.call(this,t,e),f.addSubBoxArrays.call(this,r)},f[t+"SampleEntry"].prototype=new f.SampleEntry,e&&(f[t+"SampleEntry"].prototype.parse=e)},createSampleEntryCtor:function(t,e,r,n){f.sampleEntryCodes[t].push(e),f[e+"SampleEntry"]=function(r){f[t+"SampleEntry"].call(this,e,r),f.addSubBoxArrays.call(this,n)},f[e+"SampleEntry"].prototype=new f[t+"SampleEntry"],r&&(f[e+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(t,e,r){f.createSampleEntryCtor.call(this,t,e,r,["sinf"])},createSampleGroupCtor:function(t,e){f[t+"SampleGroupEntry"]=function(e){f.SampleGroupEntry.call(this,t,e)},f[t+"SampleGroupEntry"].prototype=new f.SampleGroupEntry,e&&(f[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){f[t+"TrackGroupTypeBox"]=function(e){f.TrackGroupTypeBox.call(this,t,e)},f[t+"TrackGroupTypeBox"].prototype=new f.TrackGroupTypeBox,e&&(f[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,e,r,n){f.UUIDs.push(t),f.UUIDBoxes[t]=function(n){e?f.FullBox.call(this,"uuid",n,t):r?f.ContainerBox.call(this,"uuid",n,t):f.Box.call(this,"uuid",n,t)},f.UUIDBoxes[t].prototype=e?new f.FullBox:r?new f.ContainerBox:new f.Box,n&&(e?f.UUIDBoxes[t].prototype.parse=function(t){this.parseFullHeader(t),n&&n.call(this,t)}:f.UUIDBoxes[t].prototype.parse=n)}}).initialize(),f.TKHD_FLAG_ENABLED=1,f.TKHD_FLAG_IN_MOVIE=2,f.TKHD_FLAG_IN_PREVIEW=4,f.TFHD_FLAG_BASE_DATA_OFFSET=1,f.TFHD_FLAG_SAMPLE_DESC=2,f.TFHD_FLAG_SAMPLE_DUR=8,f.TFHD_FLAG_SAMPLE_SIZE=16,f.TFHD_FLAG_SAMPLE_FLAGS=32,f.TFHD_FLAG_DUR_EMPTY=65536,f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,f.TRUN_FLAGS_DATA_OFFSET=1,f.TRUN_FLAGS_FIRST_FLAG=4,f.TRUN_FLAGS_DURATION=256,f.TRUN_FLAGS_SIZE=512,f.TRUN_FLAGS_FLAGS=1024,f.TRUN_FLAGS_CTS_OFFSET=2048,f.Box.prototype.add=function(t){return this.addBox(new f[t+"Box"])},f.Box.prototype.addBox=function(t){return this.boxes.push(t),this[t.type+"s"]?this[t.type+"s"].push(t):this[t.type]=t,t},f.Box.prototype.set=function(t,e){return this[t]=e,this},f.Box.prototype.addEntry=function(t,e){var r=e||"entries";return this[r]||(this[r]=[]),this[r].push(t),this},rQ.BoxParser=f,f.parseUUID=function(t){return f.parseHex16(t)},f.parseHex16=function(t){for(var e="",r=0;r<16;r++){var n=t.readUint8().toString(16);e+=1===n.length?"0"+n:n}return e},f.parseOneBox=function(t,e,r){var n,s,a,u=t.getPosition(),l=0;if(t.getEndPosition()-u<8)return o.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:f.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return o.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:f.ERR_NOT_ENOUGH_DATA};var c=t.readUint32(),h=t.readString(4),d=h;if(o.debug("BoxParser","Found box of type '"+h+"' and size "+c+" at position "+u),l=8,"uuid"==h){if(t.getEndPosition()-t.getPosition()<16||r-l<16)return t.seek(u),o.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:f.ERR_NOT_ENOUGH_DATA};a=f.parseUUID(t),l+=16,d=a}if(1==c){if(t.getEndPosition()-t.getPosition()<8||r&&r-l<8)return t.seek(u),o.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+h+'" box'),{code:f.ERR_NOT_ENOUGH_DATA};c=t.readUint64(),l+=8}else if(0===c){if(r)c=r;else if("mdat"!==h)return o.error("BoxParser","Unlimited box size not supported for type: '"+h+"'"),n=new f.Box(h,c),{code:f.OK,box:n,size:n.size}}return 0!==c&&c<l?(o.error("BoxParser","Box of type "+h+" has an invalid size "+c+" (too small to be a box)"),{code:f.ERR_NOT_ENOUGH_DATA,type:h,size:c,hdr_size:l,start:u}):0!==c&&r&&c>r?(o.error("BoxParser","Box of type '"+h+"' has a size "+c+" greater than its container size "+r),{code:f.ERR_NOT_ENOUGH_DATA,type:h,size:c,hdr_size:l,start:u}):0!==c&&u+c>t.getEndPosition()?(t.seek(u),o.info("BoxParser","Not enough data in stream to parse the entire '"+h+"' box"),{code:f.ERR_NOT_ENOUGH_DATA,type:h,size:c,hdr_size:l,start:u}):e?{code:f.OK,type:h,size:c,hdr_size:l,start:u}:(f[h+"Box"]?n=new f[h+"Box"](c):"uuid"!==h?(o.warn("BoxParser","Unknown box type: '"+h+"'"),(n=new f.Box(h,c)).has_unparsed_data=!0):f.UUIDBoxes[a]?n=new f.UUIDBoxes[a](c):(o.warn("BoxParser","Unknown uuid type: '"+a+"'"),(n=new f.Box(h,c)).uuid=a,n.has_unparsed_data=!0),n.hdr_size=l,n.start=u,n.write===f.Box.prototype.write&&"mdat"!==n.type&&(o.info("BoxParser","'"+d+"' box writing not yet implemented, keeping unparsed data in memory for later write"),n.parseDataAndRewind(t)),n.parse(t),(s=t.getPosition()-(n.start+n.size))<0?(o.warn("BoxParser","Parsing of box '"+d+"' did not read the entire indicated box data size (missing "+-s+" bytes), seeking forward"),t.seek(n.start+n.size)):s>0&&(o.error("BoxParser","Parsing of box '"+d+"' read "+s+" more bytes than the indicated box data size, seeking backwards"),0!==n.size&&t.seek(n.start+n.size)),{code:f.OK,box:n,size:n.size})},f.Box.prototype.parse=function(t){"mdat"!=this.type?this.data=t.readUint8Array(this.size-this.hdr_size):0===this.size?t.seek(t.getEndPosition()):t.seek(this.start+this.size)},f.Box.prototype.parseDataAndRewind=function(t){this.data=t.readUint8Array(this.size-this.hdr_size),t.position-=this.size-this.hdr_size},f.FullBox.prototype.parseDataAndRewind=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,t.position-=this.size-this.hdr_size},f.FullBox.prototype.parseFullHeader=function(t){this.version=t.readUint8(),this.flags=t.readUint24(),this.hdr_size+=4},f.FullBox.prototype.parse=function(t){this.parseFullHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},f.ContainerBox.prototype.parse=function(t){for(var e,r;t.getPosition()<this.start+this.size;)if((e=f.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else if(r=e.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var n="uuid"!==r.type?r.type:r.uuid;this[n]?o.warn("Box of type "+n+" already stored in field of this type"):this[n]=r}},f.Box.prototype.parseLanguage=function(t){this.language=t.readUint16();var e=[];e[0]=this.language>>10&31,e[1]=this.language>>5&31,e[2]=31&this.language,this.languageString=String.fromCharCode(e[0]+96,e[1]+96,e[2]+96)},f.SAMPLE_ENTRY_TYPE_VISUAL="Visual",f.SAMPLE_ENTRY_TYPE_AUDIO="Audio",f.SAMPLE_ENTRY_TYPE_HINT="Hint",f.SAMPLE_ENTRY_TYPE_METADATA="Metadata",f.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",f.SAMPLE_ENTRY_TYPE_SYSTEM="System",f.SAMPLE_ENTRY_TYPE_TEXT="Text",f.SampleEntry.prototype.parseHeader=function(t){t.readUint8Array(6),this.data_reference_index=t.readUint16(),this.hdr_size+=8},f.SampleEntry.prototype.parse=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size)},f.SampleEntry.prototype.parseDataAndRewind=function(t){this.parseHeader(t),this.data=t.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,t.position-=this.size-this.hdr_size},f.SampleEntry.prototype.parseFooter=function(t){f.ContainerBox.prototype.parse.call(this,t)},f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_HINT),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SYSTEM),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_TEXT),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,function(t){var e;this.parseHeader(t),t.readUint16(),t.readUint16(),t.readUint32Array(3),this.width=t.readUint16(),this.height=t.readUint16(),this.horizresolution=t.readUint32(),this.vertresolution=t.readUint32(),t.readUint32(),this.frame_count=t.readUint16(),e=Math.min(31,t.readUint8()),this.compressorname=t.readString(e),e<31&&t.readString(31-e),this.depth=t.readUint16(),t.readUint16(),this.parseFooter(t)}),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,function(t){this.parseHeader(t),t.readUint32Array(2),this.channel_count=t.readUint16(),this.samplesize=t.readUint16(),t.readUint16(),t.readUint16(),this.samplerate=t.readUint32()/65536,this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_TEXT,"enct"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"encm"),f.createBoxCtor("a1lx",function(t){var e=((1&(1&t.readUint8()))+1)*16;this.layer_size=[];for(var r=0;r<3;r++)16==e?this.layer_size[r]=t.readUint16():this.layer_size[r]=t.readUint32()}),f.createBoxCtor("a1op",function(t){this.op_index=t.readUint8()}),f.createFullBoxCtor("auxC",function(t){this.aux_type=t.readCString();var e=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=t.readUint8Array(e)}),f.createBoxCtor("av1C",function(t){var e=t.readUint8();if(this.version=127&e,1!==this.version){o.error("av1C version "+this.version+" not supported");return}if(e=t.readUint8(),this.seq_profile=e>>5&7,this.seq_level_idx_0=31&e,e=t.readUint8(),this.seq_tier_0=e>>7&1,this.high_bitdepth=e>>6&1,this.twelve_bit=e>>5&1,this.monochrome=e>>4&1,this.chroma_subsampling_x=e>>3&1,this.chroma_subsampling_y=e>>2&1,this.chroma_sample_position=3&e,e=t.readUint8(),this.reserved_1=e>>5&7,0!==this.reserved_1){o.error("av1C reserved_1 parsing problem");return}if(this.initial_presentation_delay_present=e>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&e;else if(this.reserved_2=15&e,0!==this.reserved_2){o.error("av1C reserved_2 parsing problem");return}var r=this.size-this.hdr_size-4;this.configOBUs=t.readUint8Array(r)}),f.createBoxCtor("avcC",function(t){var e,r;for(this.configurationVersion=t.readUint8(),this.AVCProfileIndication=t.readUint8(),this.profile_compatibility=t.readUint8(),this.AVCLevelIndication=t.readUint8(),this.lengthSizeMinusOne=3&t.readUint8(),this.nb_SPS_nalus=31&t.readUint8(),r=this.size-this.hdr_size-6,this.SPS=[],e=0;e<this.nb_SPS_nalus;e++)this.SPS[e]={},this.SPS[e].length=t.readUint16(),this.SPS[e].nalu=t.readUint8Array(this.SPS[e].length),r-=2+this.SPS[e].length;for(this.nb_PPS_nalus=t.readUint8(),r--,this.PPS=[],e=0;e<this.nb_PPS_nalus;e++)this.PPS[e]={},this.PPS[e].length=t.readUint16(),this.PPS[e].nalu=t.readUint8Array(this.PPS[e].length),r-=2+this.PPS[e].length;r>0&&(this.ext=t.readUint8Array(r))}),f.createBoxCtor("btrt",function(t){this.bufferSizeDB=t.readUint32(),this.maxBitrate=t.readUint32(),this.avgBitrate=t.readUint32()}),f.createFullBoxCtor("ccst",function(t){var e=t.readUint8();this.all_ref_pics_intra=(128&e)==128,this.intra_pred_used=(64&e)==64,this.max_ref_per_pic=(63&e)>>2,t.readUint24()}),f.createBoxCtor("cdef",function(t){var e;for(this.channel_count=t.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],e=0;e<this.channel_count;e++)this.channel_indexes.push(t.readUint16()),this.channel_types.push(t.readUint16()),this.channel_associations.push(t.readUint16())}),f.createBoxCtor("clap",function(t){this.cleanApertureWidthN=t.readUint32(),this.cleanApertureWidthD=t.readUint32(),this.cleanApertureHeightN=t.readUint32(),this.cleanApertureHeightD=t.readUint32(),this.horizOffN=t.readUint32(),this.horizOffD=t.readUint32(),this.vertOffN=t.readUint32(),this.vertOffD=t.readUint32()}),f.createBoxCtor("clli",function(t){this.max_content_light_level=t.readUint16(),this.max_pic_average_light_level=t.readUint16()}),f.createFullBoxCtor("cmex",function(t){1&this.flags&&(this.pos_x=t.readInt32()),2&this.flags&&(this.pos_y=t.readInt32()),4&this.flags&&(this.pos_z=t.readInt32()),8&this.flags&&(0==this.version?16&this.flags?(this.quat_x=t.readInt32(),this.quat_y=t.readInt32(),this.quat_z=t.readInt32()):(this.quat_x=t.readInt16(),this.quat_y=t.readInt16(),this.quat_z=t.readInt16()):this.version),32&this.flags&&(this.id=t.readUint32())}),f.createFullBoxCtor("cmin",function(t){this.focal_length_x=t.readInt32(),this.principal_point_x=t.readInt32(),this.principal_point_y=t.readInt32(),1&this.flags&&(this.focal_length_y=t.readInt32(),this.skew_factor=t.readInt32())}),f.createBoxCtor("cmpd",function(t){for(this.component_count=t.readUint16(),this.component_types=[],this.component_type_urls=[],i=0;i<this.component_count;i++){var e=t.readUint16();this.component_types.push(e),e>=32768&&this.component_type_urls.push(t.readCString())}}),f.createFullBoxCtor("co64",function(t){var e,r;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<e;r++)this.chunk_offsets.push(t.readUint64())}),f.createFullBoxCtor("CoLL",function(t){this.maxCLL=t.readUint16(),this.maxFALL=t.readUint16()}),f.createBoxCtor("colr",function(t){if(this.colour_type=t.readString(4),"nclx"===this.colour_type){this.colour_primaries=t.readUint16(),this.transfer_characteristics=t.readUint16(),this.matrix_coefficients=t.readUint16();var e=t.readUint8();this.full_range_flag=e>>7}else"rICC"===this.colour_type?this.ICC_profile=t.readUint8Array(this.size-4):"prof"===this.colour_type&&(this.ICC_profile=t.readUint8Array(this.size-4))}),f.createFullBoxCtor("cprt",function(t){this.parseLanguage(t),this.notice=t.readCString()}),f.createFullBoxCtor("cslg",function(t){0===this.version&&(this.compositionToDTSShift=t.readInt32(),this.leastDecodeToDisplayDelta=t.readInt32(),this.greatestDecodeToDisplayDelta=t.readInt32(),this.compositionStartTime=t.readInt32(),this.compositionEndTime=t.readInt32())}),f.createFullBoxCtor("ctts",function(t){var e,r;if(e=t.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<e;r++){this.sample_counts.push(t.readUint32());var n=t.readInt32();n<0&&o.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(n)}else if(1==this.version)for(r=0;r<e;r++)this.sample_counts.push(t.readUint32()),this.sample_offsets.push(t.readInt32())}),f.createBoxCtor("dac3",function(t){var e=t.readUint8(),r=t.readUint8(),n=t.readUint8();this.fscod=e>>6,this.bsid=e>>1&31,this.bsmod=(1&e)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|n>>5&7}),f.createBoxCtor("dec3",function(t){var e=t.readUint16();this.data_rate=e>>3,this.num_ind_sub=7&e,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var n={};this.ind_subs.push(n);var s=t.readUint8(),a=t.readUint8(),o=t.readUint8();n.fscod=s>>6,n.bsid=s>>1&31,n.bsmod=(1&s)<<4|a>>4&15,n.acmod=a>>1&7,n.lfeon=1&a,n.num_dep_sub=o>>1&15,n.num_dep_sub>0&&(n.chan_loc=(1&o)<<8|t.readUint8())}}),f.createFullBoxCtor("dfLa",function(t){var e=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(t);;){var n=t.readUint8(),s=Math.min(127&n,r.length-1);if(s?t.readUint8Array(t.readUint24()):(t.readUint8Array(13),this.samplerate=t.readUint32()>>12,t.readUint8Array(20)),e.push(r[s]),128&n)break}this.numMetadataBlocks=e.length+" ("+e.join(", ")+")"}),f.createBoxCtor("dimm",function(t){this.bytessent=t.readUint64()}),f.createBoxCtor("dmax",function(t){this.time=t.readUint32()}),f.createBoxCtor("dmed",function(t){this.bytessent=t.readUint64()}),f.createBoxCtor("dOps",function(t){if(this.Version=t.readUint8(),this.OutputChannelCount=t.readUint8(),this.PreSkip=t.readUint16(),this.InputSampleRate=t.readUint32(),this.OutputGain=t.readInt16(),this.ChannelMappingFamily=t.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=t.readUint8(),this.CoupledCount=t.readUint8(),this.ChannelMapping=[];for(var e=0;e<this.OutputChannelCount;e++)this.ChannelMapping[e]=t.readUint8()}}),f.createFullBoxCtor("dref",function(t){var e,r;this.entries=[];for(var n=t.readUint32(),s=0;s<n;s++)if((e=f.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else r=e.box,this.entries.push(r)}),f.createBoxCtor("drep",function(t){this.bytessent=t.readUint64()}),f.createFullBoxCtor("elng",function(t){this.extended_language=t.readString(this.size-this.hdr_size)}),f.createFullBoxCtor("elst",function(t){this.entries=[];for(var e=t.readUint32(),r=0;r<e;r++){var n={};this.entries.push(n),1===this.version?(n.segment_duration=t.readUint64(),n.media_time=t.readInt64()):(n.segment_duration=t.readUint32(),n.media_time=t.readInt32()),n.media_rate_integer=t.readInt16(),n.media_rate_fraction=t.readInt16()}}),f.createFullBoxCtor("emsg",function(t){1==this.version?(this.timescale=t.readUint32(),this.presentation_time=t.readUint64(),this.event_duration=t.readUint32(),this.id=t.readUint32(),this.scheme_id_uri=t.readCString(),this.value=t.readCString()):(this.scheme_id_uri=t.readCString(),this.value=t.readCString(),this.timescale=t.readUint32(),this.presentation_time_delta=t.readUint32(),this.event_duration=t.readUint32(),this.id=t.readUint32());var e=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(e-=4),this.message_data=t.readUint8Array(e)}),f.createEntityToGroupCtor=function(t,e){f[t+"Box"]=function(e){f.FullBox.call(this,t,e)},f[t+"Box"].prototype=new f.FullBox,f[t+"Box"].prototype.parse=function(t){if(this.parseFullHeader(t),e)e.call(this,t);else for(this.group_id=t.readUint32(),this.num_entities_in_group=t.readUint32(),this.entity_ids=[],i=0;i<this.num_entities_in_group;i++){var r=t.readUint32();this.entity_ids.push(r)}}},f.createEntityToGroupCtor("aebr"),f.createEntityToGroupCtor("afbr"),f.createEntityToGroupCtor("albc"),f.createEntityToGroupCtor("altr"),f.createEntityToGroupCtor("brst"),f.createEntityToGroupCtor("dobr"),f.createEntityToGroupCtor("eqiv"),f.createEntityToGroupCtor("favc"),f.createEntityToGroupCtor("fobr"),f.createEntityToGroupCtor("iaug"),f.createEntityToGroupCtor("pano"),f.createEntityToGroupCtor("slid"),f.createEntityToGroupCtor("ster"),f.createEntityToGroupCtor("tsyn"),f.createEntityToGroupCtor("wbbr"),f.createEntityToGroupCtor("prgr"),f.createFullBoxCtor("esds",function(t){var e=t.readUint8Array(this.size-this.hdr_size);if(this.data=e,(void 0===h?"undefined":(0,ek._)(h))<"u"){var r=new h;this.esd=r.parseOneDescriptor(new l(e.buffer,0,l.BIG_ENDIAN))}}),f.createBoxCtor("fiel",function(t){this.fieldCount=t.readUint8(),this.fieldOrdering=t.readUint8()}),f.createBoxCtor("frma",function(t){this.data_format=t.readString(4)}),f.createBoxCtor("ftyp",function(t){var e=this.size-this.hdr_size;this.major_brand=t.readString(4),this.minor_version=t.readUint32(),e-=8,this.compatible_brands=[];for(var r=0;e>=4;)this.compatible_brands[r]=t.readString(4),e-=4,r++}),f.createFullBoxCtor("hdlr",function(t){0===this.version&&(t.readUint32(),this.handler=t.readString(4),t.readUint32Array(3),this.name=t.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))}),f.createBoxCtor("hvcC",function(t){this.configurationVersion=t.readUint8(),s=t.readUint8(),this.general_profile_space=s>>6,this.general_tier_flag=(32&s)>>5,this.general_profile_idc=31&s,this.general_profile_compatibility=t.readUint32(),this.general_constraint_indicator=t.readUint8Array(6),this.general_level_idc=t.readUint8(),this.min_spatial_segmentation_idc=4095&t.readUint16(),this.parallelismType=3&t.readUint8(),this.chroma_format_idc=3&t.readUint8(),this.bit_depth_luma_minus8=7&t.readUint8(),this.bit_depth_chroma_minus8=7&t.readUint8(),this.avgFrameRate=t.readUint16(),s=t.readUint8(),this.constantFrameRate=s>>6,this.numTemporalLayers=(13&s)>>3,this.temporalIdNested=(4&s)>>2,this.lengthSizeMinusOne=3&s,this.nalu_arrays=[];var e,r,n,s,a=t.readUint8();for(e=0;e<a;e++){var o=[];this.nalu_arrays.push(o),s=t.readUint8(),o.completeness=(128&s)>>7,o.nalu_type=63&s;var u=t.readUint16();for(r=0;r<u;r++){var l={};o.push(l),n=t.readUint16(),l.data=t.readUint8Array(n)}}}),f.createFullBoxCtor("iinf",function(t){var e;0===this.version?this.entry_count=t.readUint16():this.entry_count=t.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++)if((e=f.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else"infe"!==e.box.type&&o.error("BoxParser","Expected 'infe' box, got "+e.box.type),this.item_infos[r]=e.box}),f.createFullBoxCtor("iloc",function(t){e=t.readUint8(),this.offset_size=e>>4&15,this.length_size=15&e,e=t.readUint8(),this.base_offset_size=e>>4&15,1===this.version||2===this.version?this.index_size=15&e:this.index_size=0,this.items=[];var e,r=0;if(this.version<2)r=t.readUint16();else if(2===this.version)r=t.readUint32();else throw"version of iloc box not supported";for(var n=0;n<r;n++){var s={};if(this.items.push(s),this.version<2)s.item_ID=t.readUint16();else if(2===this.version)s.item_ID=t.readUint16();else throw"version of iloc box not supported";switch(1===this.version||2===this.version?s.construction_method=15&t.readUint16():s.construction_method=0,s.data_reference_index=t.readUint16(),this.base_offset_size){case 0:s.base_offset=0;break;case 4:s.base_offset=t.readUint32();break;case 8:s.base_offset=t.readUint64();break;default:throw"Error reading base offset size"}var a=t.readUint16();s.extents=[];for(var o=0;o<a;o++){var u={};if(s.extents.push(u),1===this.version||2===this.version)switch(this.index_size){case 0:u.extent_index=0;break;case 4:u.extent_index=t.readUint32();break;case 8:u.extent_index=t.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:u.extent_offset=0;break;case 4:u.extent_offset=t.readUint32();break;case 8:u.extent_offset=t.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:u.extent_length=0;break;case 4:u.extent_length=t.readUint32();break;case 8:u.extent_length=t.readUint64();break;default:throw"Error reading extent index"}}}}),f.createBoxCtor("imir",function(t){var e=t.readUint8();this.reserved=e>>7,this.axis=1&e}),f.createFullBoxCtor("infe",function(t){if((0===this.version||1===this.version)&&(this.item_ID=t.readUint16(),this.item_protection_index=t.readUint16(),this.item_name=t.readCString(),this.content_type=t.readCString(),this.content_encoding=t.readCString()),1===this.version){this.extension_type=t.readString(4),o.warn("BoxParser","Cannot parse extension type"),t.seek(this.start+this.size);return}this.version>=2&&(2===this.version?this.item_ID=t.readUint16():3===this.version&&(this.item_ID=t.readUint32()),this.item_protection_index=t.readUint16(),this.item_type=t.readString(4),this.item_name=t.readCString(),"mime"===this.item_type?(this.content_type=t.readCString(),this.content_encoding=t.readCString()):"uri "===this.item_type&&(this.item_uri_type=t.readCString()))}),f.createFullBoxCtor("ipma",function(t){var e,r;for(entry_count=t.readUint32(),this.associations=[],e=0;e<entry_count;e++){var n={};this.associations.push(n),this.version<1?n.id=t.readUint16():n.id=t.readUint32();var s=t.readUint8();for(n.props=[],r=0;r<s;r++){var a=t.readUint8(),o={};n.props.push(o),o.essential=(128&a)>>7==1,1&this.flags?o.property_index=(127&a)<<8|t.readUint8():o.property_index=127&a}}}),f.createFullBoxCtor("iref",function(t){var e,r;for(this.references=[];t.getPosition()<this.start+this.size;)if((e=f.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else(r=0===this.version?new f.SingleItemTypeReferenceBox(e.type,e.size,e.hdr_size,e.start):new f.SingleItemTypeReferenceBoxLarge(e.type,e.size,e.hdr_size,e.start)).write===f.Box.prototype.write&&"mdat"!==r.type&&(o.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.references.push(r)}),f.createBoxCtor("irot",function(t){this.angle=3&t.readUint8()}),f.createFullBoxCtor("ispe",function(t){this.image_width=t.readUint32(),this.image_height=t.readUint32()}),f.createFullBoxCtor("kind",function(t){this.schemeURI=t.readCString(),this.value=t.readCString()}),f.createFullBoxCtor("leva",function(t){var e=t.readUint8();this.levels=[];for(var r=0;r<e;r++){var n={};this.levels[r]=n,n.track_ID=t.readUint32();var s=t.readUint8();switch(n.padding_flag=s>>7,n.assignment_type=127&s,n.assignment_type){case 0:n.grouping_type=t.readString(4);break;case 1:n.grouping_type=t.readString(4),n.grouping_type_parameter=t.readUint32();break;case 2:case 3:break;case 4:n.sub_track_id=t.readUint32();break;default:o.warn("BoxParser","Unknown leva assignement type")}}}),f.createBoxCtor("lsel",function(t){this.layer_id=t.readUint16()}),f.createBoxCtor("maxr",function(t){this.period=t.readUint32(),this.bytes=t.readUint32()}),f.createBoxCtor("mdcv",function(t){this.display_primaries=[],this.display_primaries[0]={},this.display_primaries[0].x=t.readUint16(),this.display_primaries[0].y=t.readUint16(),this.display_primaries[1]={},this.display_primaries[1].x=t.readUint16(),this.display_primaries[1].y=t.readUint16(),this.display_primaries[2]={},this.display_primaries[2].x=t.readUint16(),this.display_primaries[2].y=t.readUint16(),this.white_point={},this.white_point.x=t.readUint16(),this.white_point.y=t.readUint16(),this.max_display_mastering_luminance=t.readUint32(),this.min_display_mastering_luminance=t.readUint32()}),f.createFullBoxCtor("mdhd",function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.timescale=t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.timescale=t.readUint32(),this.duration=t.readUint32()),this.parseLanguage(t),t.readUint16()}),f.createFullBoxCtor("mehd",function(t){1&this.flags&&(o.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=t.readUint64():this.fragment_duration=t.readUint32()}),f.createFullBoxCtor("meta",function(t){this.boxes=[],f.ContainerBox.prototype.parse.call(this,t)}),f.createFullBoxCtor("mfhd",function(t){this.sequence_number=t.readUint32()}),f.createFullBoxCtor("mfro",function(t){this._size=t.readUint32()}),f.createFullBoxCtor("mvhd",function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.timescale=t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.timescale=t.readUint32(),this.duration=t.readUint32()),this.rate=t.readUint32(),this.volume=t.readUint16()>>8,t.readUint16(),t.readUint32Array(2),this.matrix=t.readUint32Array(9),t.readUint32Array(6),this.next_track_id=t.readUint32()}),f.createBoxCtor("npck",function(t){this.packetssent=t.readUint32()}),f.createBoxCtor("nump",function(t){this.packetssent=t.readUint64()}),f.createFullBoxCtor("padb",function(t){var e=t.readUint32();this.padbits=[];for(var r=0;r<Math.floor((e+1)/2);r++)this.padbits=t.readUint8()}),f.createBoxCtor("pasp",function(t){this.hSpacing=t.readUint32(),this.vSpacing=t.readUint32()}),f.createBoxCtor("payl",function(t){this.text=t.readString(this.size-this.hdr_size)}),f.createBoxCtor("payt",function(t){this.payloadID=t.readUint32();var e=t.readUint8();this.rtpmap_string=t.readString(e)}),f.createFullBoxCtor("pdin",function(t){var e=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<e;r++)this.rate[r]=t.readUint32(),this.initial_delay[r]=t.readUint32()}),f.createFullBoxCtor("pitm",function(t){0===this.version?this.item_id=t.readUint16():this.item_id=t.readUint32()}),f.createFullBoxCtor("pixi",function(t){var e;for(this.num_channels=t.readUint8(),this.bits_per_channels=[],e=0;e<this.num_channels;e++)this.bits_per_channels[e]=t.readUint8()}),f.createBoxCtor("pmax",function(t){this.bytes=t.readUint32()}),f.createFullBoxCtor("prdi",function(t){if(this.step_count=t.readUint16(),this.item_count=[],2&this.flags)for(var e=0;e<this.step_count;e++)this.item_count[e]=t.readUint16()}),f.createFullBoxCtor("prft",function(t){this.ref_track_id=t.readUint32(),this.ntp_timestamp=t.readUint64(),0===this.version?this.media_time=t.readUint32():this.media_time=t.readUint64()}),f.createFullBoxCtor("pssh",function(t){if(this.system_id=f.parseHex16(t),this.version>0){var e=t.readUint32();this.kid=[];for(var r=0;r<e;r++)this.kid[r]=f.parseHex16(t)}var n=t.readUint32();n>0&&(this.data=t.readUint8Array(n))}),f.createFullBoxCtor("clef",function(t){this.width=t.readUint32(),this.height=t.readUint32()}),f.createFullBoxCtor("enof",function(t){this.width=t.readUint32(),this.height=t.readUint32()}),f.createFullBoxCtor("prof",function(t){this.width=t.readUint32(),this.height=t.readUint32()}),f.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),f.createBoxCtor("rtp ",function(t){this.descriptionformat=t.readString(4),this.sdptext=t.readString(this.size-this.hdr_size-4)}),f.createFullBoxCtor("saio",function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32());var e=t.readUint32();this.offset=[];for(var r=0;r<e;r++)0===this.version?this.offset[r]=t.readUint32():this.offset[r]=t.readUint64()}),f.createFullBoxCtor("saiz",function(t){1&this.flags&&(this.aux_info_type=t.readUint32(),this.aux_info_type_parameter=t.readUint32()),this.default_sample_info_size=t.readUint8();var e=t.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<e;r++)this.sample_info_size[r]=t.readUint8()}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"mett",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"metx",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.namespace=t.readCString(),this.schema_location=t.readCString(),this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",function(t){this.parseHeader(t),this.namespace=t.readCString(),this.schema_location=t.readCString(),this.auxiliary_mime_types=t.readCString(),this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",function(t){this.parseHeader(t),this.content_encoding=t.readCString(),this.mime_format=t.readCString(),this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",function(t){this.parseHeader(t),this.displayFlags=t.readUint32(),this.horizontal_justification=t.readInt8(),this.vertical_justification=t.readInt8(),this.bg_color_rgba=t.readUint8Array(4),this.box_record=t.readInt16Array(4),this.style_record=t.readUint8Array(12),this.parseFooter(t)}),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",function(t){this.parseHeader(t),this.parseFooter(t)}),f.createSampleGroupCtor("alst",function(t){var e,r=t.readUint16();for(this.first_output_sample=t.readUint16(),this.sample_offset=[],e=0;e<r;e++)this.sample_offset[e]=t.readUint32();var n=this.description_length-4-4*r;for(this.num_output_samples=[],this.num_total_samples=[],e=0;e<n/4;e++)this.num_output_samples[e]=t.readUint16(),this.num_total_samples[e]=t.readUint16()}),f.createSampleGroupCtor("avll",function(t){this.layerNumber=t.readUint8(),this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()}),f.createSampleGroupCtor("avss",function(t){this.subSequenceIdentifier=t.readUint16(),this.layerNumber=t.readUint8();var e=t.readUint8();this.durationFlag=e>>7,this.avgRateFlag=e>>6&1,this.durationFlag&&(this.duration=t.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=t.readUint8(),this.avgBitRate=t.readUint16(),this.avgFrameRate=t.readUint16()),this.dependency=[];for(var r=t.readUint8(),n=0;n<r;n++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=t.readUint8(),s.layerNumber=t.readUint8(),s.subSequenceIdentifier=t.readUint16()}}),f.createSampleGroupCtor("dtrt",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("mvif",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("prol",function(t){this.roll_distance=t.readInt16()}),f.createSampleGroupCtor("rap ",function(t){var e=t.readUint8();this.num_leading_samples_known=e>>7,this.num_leading_samples=127&e}),f.createSampleGroupCtor("rash",function(t){if(this.operation_point_count=t.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)o.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=t.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=t.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var e=0;e<this.operation_point_count;e++)this.available_bitrate[e]=t.readUint32(),this.target_rate_share[e]=t.readUint16()}this.maximum_bitrate=t.readUint32(),this.minimum_bitrate=t.readUint32(),this.discard_priority=t.readUint8()}}),f.createSampleGroupCtor("roll",function(t){this.roll_distance=t.readInt16()}),f.SampleGroupEntry.prototype.parse=function(t){o.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=t.readUint8Array(this.description_length)},f.createSampleGroupCtor("scif",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("scnm",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("seig",function(t){this.reserved=t.readUint8();var e=t.readUint8();this.crypt_byte_block=e>>4,this.skip_byte_block=15&e,this.isProtected=t.readUint8(),this.Per_Sample_IV_Size=t.readUint8(),this.KID=f.parseHex16(t),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=t.readUint8(),this.constant_IV=t.readUint8Array(this.constant_IV_size))}),f.createSampleGroupCtor("stsa",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("sync",function(t){var e=t.readUint8();this.NAL_unit_type=63&e}),f.createSampleGroupCtor("tele",function(t){var e=t.readUint8();this.level_independently_decodable=e>>7}),f.createSampleGroupCtor("tsas",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("tscl",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createSampleGroupCtor("vipr",function(t){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),f.createFullBoxCtor("sbgp",function(t){this.grouping_type=t.readString(4),1===this.version?this.grouping_type_parameter=t.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var e=t.readUint32(),r=0;r<e;r++){var n={};this.entries.push(n),n.sample_count=t.readInt32(),n.group_description_index=t.readInt32()}}),f.createFullBoxCtor("schm",function(t){this.scheme_type=t.readString(4),this.scheme_version=t.readUint32(),1&this.flags&&(this.scheme_uri=t.readString(this.size-this.hdr_size-8))}),f.createBoxCtor("sdp ",function(t){this.sdptext=t.readString(this.size-this.hdr_size)}),f.createFullBoxCtor("sdtp",function(t){var e,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var n=0;n<r;n++)e=t.readUint8(),this.is_leading[n]=e>>6,this.sample_depends_on[n]=e>>4&3,this.sample_is_depended_on[n]=e>>2&3,this.sample_has_redundancy[n]=3&e}),f.createFullBoxCtor("senc"),f.createFullBoxCtor("sgpd",function(t){this.grouping_type=t.readString(4),o.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=t.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=t.readUint32()),this.entries=[];for(var e,r=t.readUint32(),n=0;n<r;n++)e=f[this.grouping_type+"SampleGroupEntry"]?new f[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new f.SampleGroupEntry(this.grouping_type),this.entries.push(e),1===this.version&&0===this.default_length?e.description_length=t.readUint32():e.description_length=this.default_length,e.write===f.SampleGroupEntry.prototype.write&&(o.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),e.data=t.readUint8Array(e.description_length),t.position-=e.description_length),e.parse(t)}),f.createFullBoxCtor("sidx",function(t){this.reference_ID=t.readUint32(),this.timescale=t.readUint32(),0===this.version?(this.earliest_presentation_time=t.readUint32(),this.first_offset=t.readUint32()):(this.earliest_presentation_time=t.readUint64(),this.first_offset=t.readUint64()),t.readUint16(),this.references=[];for(var e=t.readUint16(),r=0;r<e;r++){var n={};this.references.push(n);var s=t.readUint32();n.reference_type=s>>31&1,n.referenced_size=2147483647&s,n.subsegment_duration=t.readUint32(),s=t.readUint32(),n.starts_with_SAP=s>>31&1,n.SAP_type=s>>28&7,n.SAP_delta_time=268435455&s}}),f.SingleItemTypeReferenceBox=function(t,e,r,n){f.Box.call(this,t,e),this.hdr_size=r,this.start=n},f.SingleItemTypeReferenceBox.prototype=new f.Box,f.SingleItemTypeReferenceBox.prototype.parse=function(t){this.from_item_ID=t.readUint16();var e=t.readUint16();this.references=[];for(var r=0;r<e;r++)this.references[r]={},this.references[r].to_item_ID=t.readUint16()},f.SingleItemTypeReferenceBoxLarge=function(t,e,r,n){f.Box.call(this,t,e),this.hdr_size=r,this.start=n},f.SingleItemTypeReferenceBoxLarge.prototype=new f.Box,f.SingleItemTypeReferenceBoxLarge.prototype.parse=function(t){this.from_item_ID=t.readUint32();var e=t.readUint16();this.references=[];for(var r=0;r<e;r++)this.references[r]={},this.references[r].to_item_ID=t.readUint32()},f.createFullBoxCtor("SmDm",function(t){this.primaryRChromaticity_x=t.readUint16(),this.primaryRChromaticity_y=t.readUint16(),this.primaryGChromaticity_x=t.readUint16(),this.primaryGChromaticity_y=t.readUint16(),this.primaryBChromaticity_x=t.readUint16(),this.primaryBChromaticity_y=t.readUint16(),this.whitePointChromaticity_x=t.readUint16(),this.whitePointChromaticity_y=t.readUint16(),this.luminanceMax=t.readUint32(),this.luminanceMin=t.readUint32()}),f.createFullBoxCtor("smhd",function(t){this.balance=t.readUint16(),t.readUint16()}),f.createFullBoxCtor("ssix",function(t){this.subsegments=[];for(var e=t.readUint32(),r=0;r<e;r++){var n={};this.subsegments.push(n),n.ranges=[];for(var s=t.readUint32(),a=0;a<s;a++){var o={};n.ranges.push(o),o.level=t.readUint8(),o.range_size=t.readUint24()}}}),f.createFullBoxCtor("stco",function(t){var e;if(e=t.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<e;r++)this.chunk_offsets.push(t.readUint32())}),f.createFullBoxCtor("stdp",function(t){var e=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<e;r++)this.priority[r]=t.readUint16()}),f.createFullBoxCtor("sthd"),f.createFullBoxCtor("stri",function(t){this.switch_group=t.readUint16(),this.alternate_group=t.readUint16(),this.sub_track_id=t.readUint32();var e=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<e;r++)this.attribute_list[r]=t.readUint32()}),f.createFullBoxCtor("stsc",function(t){var e,r;if(e=t.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<e;r++)this.first_chunk.push(t.readUint32()),this.samples_per_chunk.push(t.readUint32()),this.sample_description_index.push(t.readUint32())}),f.createFullBoxCtor("stsd",function(t){var e,r,n,s;for(this.entries=[],n=t.readUint32(),e=1;e<=n;e++)if((r=f.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else f[r.type+"SampleEntry"]?((s=new f[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,s.start=r.start):(o.warn("BoxParser","Unknown sample entry type: "+r.type),s=new f.SampleEntry(r.type,r.size,r.hdr_size,r.start)),s.write===f.SampleEntry.prototype.write&&(o.info("BoxParser","SampleEntry "+s.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(t)),s.parse(t),this.entries.push(s)}),f.createFullBoxCtor("stsg",function(t){this.grouping_type=t.readUint32();var e=t.readUint16();this.group_description_index=[];for(var r=0;r<e;r++)this.group_description_index[r]=t.readUint32()}),f.createFullBoxCtor("stsh",function(t){var e,r;if(e=t.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<e;r++)this.shadowed_sample_numbers.push(t.readUint32()),this.sync_sample_numbers.push(t.readUint32())}),f.createFullBoxCtor("stss",function(t){var e,r;if(r=t.readUint32(),0===this.version)for(this.sample_numbers=[],e=0;e<r;e++)this.sample_numbers.push(t.readUint32())}),f.createFullBoxCtor("stsz",function(t){var e;if(this.sample_sizes=[],0===this.version)for(this.sample_size=t.readUint32(),this.sample_count=t.readUint32(),e=0;e<this.sample_count;e++)0===this.sample_size?this.sample_sizes.push(t.readUint32()):this.sample_sizes[e]=this.sample_size}),f.createFullBoxCtor("stts",function(t){var e,r,n;if(e=t.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<e;r++)this.sample_counts.push(t.readUint32()),(n=t.readInt32())<0&&(o.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),n=1),this.sample_deltas.push(n)}),f.createFullBoxCtor("stvi",function(t){var e,r,n=t.readUint32();this.single_view_allowed=3&n,this.stereo_scheme=t.readUint32();var s=t.readUint32();for(this.stereo_indication_type=t.readString(s),this.boxes=[];t.getPosition()<this.start+this.size;)if((e=f.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else r=e.box,this.boxes.push(r),this[r.type]=r}),f.createBoxCtor("styp",function(t){f.ftypBox.prototype.parse.call(this,t)}),f.createFullBoxCtor("stz2",function(t){var e,r;if(this.sample_sizes=[],0===this.version){if(this.reserved=t.readUint24(),this.field_size=t.readUint8(),r=t.readUint32(),4===this.field_size)for(e=0;e<r;e+=2){var n=t.readUint8();this.sample_sizes[e]=n>>4&15,this.sample_sizes[e+1]=15&n}else if(8===this.field_size)for(e=0;e<r;e++)this.sample_sizes[e]=t.readUint8();else if(16===this.field_size)for(e=0;e<r;e++)this.sample_sizes[e]=t.readUint16();else o.error("BoxParser","Error in length field in stz2 box")}}),f.createFullBoxCtor("subs",function(t){var e,r,n,s;for(n=t.readUint32(),this.entries=[],e=0;e<n;e++){var a={};if(this.entries[e]=a,a.sample_delta=t.readUint32(),a.subsamples=[],(s=t.readUint16())>0)for(r=0;r<s;r++){var o={};a.subsamples.push(o),1==this.version?o.size=t.readUint32():o.size=t.readUint16(),o.priority=t.readUint8(),o.discardable=t.readUint8(),o.codec_specific_parameters=t.readUint32()}}}),f.createFullBoxCtor("tenc",function(t){if(t.readUint8(),0===this.version)t.readUint8();else{var e=t.readUint8();this.default_crypt_byte_block=e>>4&15,this.default_skip_byte_block=15&e}this.default_isProtected=t.readUint8(),this.default_Per_Sample_IV_Size=t.readUint8(),this.default_KID=f.parseHex16(t),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=t.readUint8(),this.default_constant_IV=t.readUint8Array(this.default_constant_IV_size))}),f.createFullBoxCtor("tfdt",function(t){1==this.version?this.baseMediaDecodeTime=t.readUint64():this.baseMediaDecodeTime=t.readUint32()}),f.createFullBoxCtor("tfhd",function(t){var e=0;this.track_id=t.readUint32(),this.size-this.hdr_size>e&&this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=t.readUint64(),e+=8):this.base_data_offset=0,this.size-this.hdr_size>e&&this.flags&f.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=t.readUint32(),e+=4):this.default_sample_description_index=0,this.size-this.hdr_size>e&&this.flags&f.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=t.readUint32(),e+=4):this.default_sample_duration=0,this.size-this.hdr_size>e&&this.flags&f.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=t.readUint32(),e+=4):this.default_sample_size=0,this.size-this.hdr_size>e&&this.flags&f.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=t.readUint32(),e+=4):this.default_sample_flags=0}),f.createFullBoxCtor("tfra",function(t){this.track_ID=t.readUint32(),t.readUint24();var e=t.readUint8();this.length_size_of_traf_num=e>>4&3,this.length_size_of_trun_num=e>>2&3,this.length_size_of_sample_num=3&e,this.entries=[];for(var r=t.readUint32(),n=0;n<r;n++)1===this.version?(this.time=t.readUint64(),this.moof_offset=t.readUint64()):(this.time=t.readUint32(),this.moof_offset=t.readUint32()),this.traf_number=t["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=t["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=t["readUint"+8*(this.length_size_of_sample_num+1)]()}),f.createFullBoxCtor("tkhd",function(t){1==this.version?(this.creation_time=t.readUint64(),this.modification_time=t.readUint64(),this.track_id=t.readUint32(),t.readUint32(),this.duration=t.readUint64()):(this.creation_time=t.readUint32(),this.modification_time=t.readUint32(),this.track_id=t.readUint32(),t.readUint32(),this.duration=t.readUint32()),t.readUint32Array(2),this.layer=t.readInt16(),this.alternate_group=t.readInt16(),this.volume=t.readInt16()>>8,t.readUint16(),this.matrix=t.readInt32Array(9),this.width=t.readUint32(),this.height=t.readUint32()}),f.createBoxCtor("tmax",function(t){this.time=t.readUint32()}),f.createBoxCtor("tmin",function(t){this.time=t.readUint32()}),f.createBoxCtor("totl",function(t){this.bytessent=t.readUint32()}),f.createBoxCtor("tpay",function(t){this.bytessent=t.readUint32()}),f.createBoxCtor("tpyl",function(t){this.bytessent=t.readUint64()}),f.TrackGroupTypeBox.prototype.parse=function(t){this.parseFullHeader(t),this.track_group_id=t.readUint32()},f.createTrackGroupCtor("msrc"),f.TrackReferenceTypeBox=function(t,e,r,n){f.Box.call(this,t,e),this.hdr_size=r,this.start=n},f.TrackReferenceTypeBox.prototype=new f.Box,f.TrackReferenceTypeBox.prototype.parse=function(t){this.track_ids=t.readUint32Array((this.size-this.hdr_size)/4)},f.trefBox.prototype.parse=function(t){for(var e,r;t.getPosition()<this.start+this.size;)if((e=f.parseOneBox(t,!0,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else(r=new f.TrackReferenceTypeBox(e.type,e.size,e.hdr_size,e.start)).write===f.Box.prototype.write&&"mdat"!==r.type&&(o.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(t)),r.parse(t),this.boxes.push(r)},f.createFullBoxCtor("trep",function(t){for(this.track_ID=t.readUint32(),this.boxes=[];t.getPosition()<this.start+this.size;)if((ret=f.parseOneBox(t,!1,this.size-(t.getPosition()-this.start))).code!==f.OK)return;else box=ret.box,this.boxes.push(box)}),f.createFullBoxCtor("trex",function(t){this.track_id=t.readUint32(),this.default_sample_description_index=t.readUint32(),this.default_sample_duration=t.readUint32(),this.default_sample_size=t.readUint32(),this.default_sample_flags=t.readUint32()}),f.createBoxCtor("trpy",function(t){this.bytessent=t.readUint64()}),f.createFullBoxCtor("trun",function(t){var e=0;if(this.sample_count=t.readUint32(),e+=4,this.size-this.hdr_size>e&&this.flags&f.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=t.readInt32(),e+=4):this.data_offset=0,this.size-this.hdr_size>e&&this.flags&f.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=t.readUint32(),e+=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>e)for(var r=0;r<this.sample_count;r++)this.flags&f.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=t.readUint32()),this.flags&f.TRUN_FLAGS_SIZE&&(this.sample_size[r]=t.readUint32()),this.flags&f.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=t.readUint32()),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=t.readUint32():this.sample_composition_time_offset[r]=t.readInt32())}),f.createFullBoxCtor("tsel",function(t){this.switch_group=t.readUint32();var e=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<e;r++)this.attribute_list[r]=t.readUint32()}),f.createFullBoxCtor("txtC",function(t){this.config=t.readCString()}),f.createBoxCtor("tyco",function(t){var e=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var r=0;r<e;r++)this.compatible_brands[r]=t.readString(4)}),f.createFullBoxCtor("udes",function(t){this.lang=t.readCString(),this.name=t.readCString(),this.description=t.readCString(),this.tags=t.readCString()}),f.createFullBoxCtor("uncC",function(t){for(this.profile=t.readUint32(),this.component_count=t.readUint16(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[],e=0;e<this.component_count;e++)this.component_index.push(t.readUint16()),this.component_bit_depth_minus_one.push(t.readUint8()),this.component_format.push(t.readUint8()),this.component_align_size.push(t.readUint8());this.sampling_type=t.readUint8(),this.interleave_type=t.readUint8(),this.block_size=t.readUint8();var e,r=t.readUint8();this.component_little_endian=r>>7&1,this.block_pad_lsb=r>>6&1,this.block_little_endian=r>>5&1,this.block_reversed=r>>4&1,this.pad_unknown=r>>3&1,this.pixel_size=t.readUint8(),this.row_align_size=t.readUint32(),this.tile_align_size=t.readUint32(),this.num_tile_cols_minus_one=t.readUint32(),this.num_tile_rows_minus_one=t.readUint32()}),f.createFullBoxCtor("url ",function(t){1!==this.flags&&(this.location=t.readCString())}),f.createFullBoxCtor("urn ",function(t){this.name=t.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=t.readCString())}),f.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,function(t){this.LiveServerManifest=t.readString(this.size-this.hdr_size).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")}),f.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,function(t){this.system_id=f.parseHex16(t);var e=t.readUint32();e>0&&(this.data=t.readUint8Array(e))}),f.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),f.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,function(t){this.default_AlgorithmID=t.readUint24(),this.default_IV_size=t.readUint8(),this.default_KID=f.parseHex16(t)}),f.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,function(t){this.fragment_count=t.readUint8(),this.entries=[];for(var e=0;e<this.fragment_count;e++){var r={},n=0,s=0;1===this.version?(n=t.readUint64(),s=t.readUint64()):(n=t.readUint32(),s=t.readUint32()),r.absolute_time=n,r.absolute_duration=s,this.entries.push(r)}}),f.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,function(t){1===this.version?(this.absolute_time=t.readUint64(),this.duration=t.readUint64()):(this.absolute_time=t.readUint32(),this.duration=t.readUint32())}),f.createFullBoxCtor("vmhd",function(t){this.graphicsmode=t.readUint16(),this.opcolor=t.readUint16Array(3)}),f.createFullBoxCtor("vpcC",function(t){var e;1===this.version?(this.profile=t.readUint8(),this.level=t.readUint8(),e=t.readUint8(),this.bitDepth=e>>4,this.chromaSubsampling=e>>1&7,this.videoFullRangeFlag=1&e,this.colourPrimaries=t.readUint8(),this.transferCharacteristics=t.readUint8(),this.matrixCoefficients=t.readUint8()):(this.profile=t.readUint8(),this.level=t.readUint8(),e=t.readUint8(),this.bitDepth=e>>4&15,this.colorSpace=15&e,e=t.readUint8(),this.chromaSubsampling=e>>4&15,this.transferFunction=e>>1&7,this.videoFullRangeFlag=1&e),this.codecIntializationDataSize=t.readUint16(),this.codecIntializationData=t.readUint8Array(this.codecIntializationDataSize)}),f.createBoxCtor("vttC",function(t){this.text=t.readString(this.size-this.hdr_size)}),f.createFullBoxCtor("vvcC",function(t){var e,r,n={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(t){this.held_bits=t.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(t){this.held_bits=t.readUint16(),this.num_held_bits=16},extract_bits:function(t){var e=this.held_bits>>this.num_held_bits-t&(1<<t)-1;return this.num_held_bits-=t,e}};if(n.stream_read_1_bytes(t),n.extract_bits(5),this.lengthSizeMinusOne=n.extract_bits(2),this.ptl_present_flag=n.extract_bits(1),this.ptl_present_flag){if(n.stream_read_2_bytes(t),this.ols_idx=n.extract_bits(9),this.num_sublayers=n.extract_bits(3),this.constant_frame_rate=n.extract_bits(2),this.chroma_format_idc=n.extract_bits(2),n.stream_read_1_bytes(t),this.bit_depth_minus8=n.extract_bits(3),n.extract_bits(5),n.stream_read_2_bytes(t),n.extract_bits(2),this.num_bytes_constraint_info=n.extract_bits(6),this.general_profile_idc=n.extract_bits(7),this.general_tier_flag=n.extract_bits(1),this.general_level_idc=t.readUint8(),n.stream_read_1_bytes(t),this.ptl_frame_only_constraint_flag=n.extract_bits(1),this.ptl_multilayer_enabled_flag=n.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(e=0;e<this.num_bytes_constraint_info-1;e++){var s=n.extract_bits(6);n.stream_read_1_bytes(t);var a=n.extract_bits(2);this.general_constraint_info[e]=s<<2|a}this.general_constraint_info[this.num_bytes_constraint_info-1]=n.extract_bits(6)}else n.extract_bits(6);if(this.num_sublayers>1){for(n.stream_read_1_bytes(t),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var o=n.extract_bits(1);this.ptl_sublayer_present_mask|=o<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)n.extract_bits(1);for(this.sublayer_level_idc=[],r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=t.readUint8())}if(this.ptl_num_sub_profiles=t.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(e=0;e<this.ptl_num_sub_profiles;e++)this.general_sub_profile_idc.push(t.readUint32());this.max_picture_width=t.readUint16(),this.max_picture_height=t.readUint16(),this.avg_frame_rate=t.readUint16()}this.nalu_arrays=[];var u=t.readUint8();for(e=0;e<u;e++){var l=[];this.nalu_arrays.push(l),n.stream_read_1_bytes(t),l.completeness=n.extract_bits(1),n.extract_bits(2),l.nalu_type=n.extract_bits(5);var c=1;for(13!=l.nalu_type&&12!=l.nalu_type&&(c=t.readUint16()),r=0;r<c;r++){var h=t.readUint16();l.push({data:t.readUint8Array(h),length:h})}}}),f.createFullBoxCtor("vvnC",function(t){var e=strm.readUint8();this.lengthSizeMinusOne=3&e}),f.SampleEntry.prototype.isVideo=function(){return!1},f.SampleEntry.prototype.isAudio=function(){return!1},f.SampleEntry.prototype.isSubtitle=function(){return!1},f.SampleEntry.prototype.isMetadata=function(){return!1},f.SampleEntry.prototype.isHint=function(){return!1},f.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},f.SampleEntry.prototype.getWidth=function(){return""},f.SampleEntry.prototype.getHeight=function(){return""},f.SampleEntry.prototype.getChannelCount=function(){return""},f.SampleEntry.prototype.getSampleRate=function(){return""},f.SampleEntry.prototype.getSampleSize=function(){return""},f.VisualSampleEntry.prototype.isVideo=function(){return!0},f.VisualSampleEntry.prototype.getWidth=function(){return this.width},f.VisualSampleEntry.prototype.getHeight=function(){return this.height},f.AudioSampleEntry.prototype.isAudio=function(){return!0},f.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},f.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},f.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},f.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},f.MetadataSampleEntry.prototype.isMetadata=function(){return!0},f.decimalToHex=function(t,e){var r=Number(t).toString(16);for(e=(void 0===e?"undefined":(0,ek._)(e))>"u"||null===e?e=2:e;r.length<e;)r="0"+r;return r},f.avc1SampleEntry.prototype.getCodec=f.avc2SampleEntry.prototype.getCodec=f.avc3SampleEntry.prototype.getCodec=f.avc4SampleEntry.prototype.getCodec=function(){var t=f.SampleEntry.prototype.getCodec.call(this);return this.avcC?t+"."+f.decimalToHex(this.avcC.AVCProfileIndication)+f.decimalToHex(this.avcC.profile_compatibility)+f.decimalToHex(this.avcC.AVCLevelIndication):t},f.hev1SampleEntry.prototype.getCodec=f.hvc1SampleEntry.prototype.getCodec=function(){var t,e=f.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(e+=".",this.hvcC.general_profile_space){case 0:e+="";break;case 1:e+="A";break;case 2:e+="B";break;case 3:e+="C"}e+=this.hvcC.general_profile_idc+".";var r=this.hvcC.general_profile_compatibility,n=0;for(t=0;t<32&&(n|=1&r,31!=t);t++)n<<=1,r>>=1;e+=f.decimalToHex(n,0)+".",0===this.hvcC.general_tier_flag?e+="L":e+="H",e+=this.hvcC.general_level_idc;var s=!1,a="";for(t=5;t>=0;t--)(this.hvcC.general_constraint_indicator[t]||s)&&(a="."+f.decimalToHex(this.hvcC.general_constraint_indicator[t],0)+a,s=!0);e+=a}return e},f.vvc1SampleEntry.prototype.getCodec=f.vvi1SampleEntry.prototype.getCodec=function(){var t,e=f.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){e+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?e+=".H":e+=".L",e+=this.vvcC.general_level_idc;var r="";if(this.vvcC.general_constraint_info){var n,s,a=[];for(s=0|this.vvcC.ptl_frame_only_constraint<<7|this.vvcC.ptl_multilayer_enabled<<6,t=0;t<this.vvcC.general_constraint_info.length;++t)s|=this.vvcC.general_constraint_info[t]>>2&63,a.push(s),s&&(n=t),s=this.vvcC.general_constraint_info[t]>>2&3;if(void 0===n)r=".CA";else{r=".C";var o="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",u=0,l=0;for(t=0;t<=n;++t)for(u=u<<8|a[t],l+=8;l>=5;)r+=o[u>>l-5&31],l-=5,u&=(1<<l)-1;l&&(u<<=5-l,r+=o[31&u])}}e+=r}return e},f.mp4aSampleEntry.prototype.getCodec=function(){var t=f.SampleEntry.prototype.getCodec.call(this);if(!this.esds||!this.esds.esd)return t;var e=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return t+"."+f.decimalToHex(e)+(r?"."+r:"")},f.stxtSampleEntry.prototype.getCodec=function(){var t=f.SampleEntry.prototype.getCodec.call(this);return this.mime_format?t+"."+this.mime_format:t},f.vp08SampleEntry.prototype.getCodec=f.vp09SampleEntry.prototype.getCodec=function(){var t=f.SampleEntry.prototype.getCodec.call(this),e=this.vpcC.level;0==e&&(e="00");var r=this.vpcC.bitDepth;return 8==r&&(r="08"),t+".0"+this.vpcC.profile+"."+e+"."+r},f.av01SampleEntry.prototype.getCodec=function(){var t,e=f.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return r<10&&(r="0"+r),2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?t=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(t=1===this.av1C.high_bitdepth?"10":"08"),e+"."+this.av1C.seq_profile+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+t},f.Box.prototype.writeHeader=function(t,e){this.size+=8,this.size>4294967296&&(this.size+=8),"uuid"===this.type&&(this.size+=16),o.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+t.getPosition()+(e||"")),this.size>4294967296?t.writeUint32(1):(this.sizePosition=t.getPosition(),t.writeUint32(this.size)),t.writeString(this.type,null,4),"uuid"===this.type&&t.writeUint8Array(this.uuid),this.size>4294967296&&t.writeUint64(this.size)},f.FullBox.prototype.writeHeader=function(t){this.size+=4,f.Box.prototype.writeHeader.call(this,t," v="+this.version+" f="+this.flags),t.writeUint8(this.version),t.writeUint24(this.flags)},f.Box.prototype.write=function(t){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(t),t.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(t),this.data&&t.writeUint8Array(this.data))},f.ContainerBox.prototype.write=function(t){this.size=0,this.writeHeader(t);for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&(this.boxes[e].write(t),this.size+=this.boxes[e].size);o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},f.TrackReferenceTypeBox.prototype.write=function(t){this.size=4*this.track_ids.length,this.writeHeader(t),t.writeUint32Array(this.track_ids)},f.avcCBox.prototype.write=function(t){var e;for(this.size=7,e=0;e<this.SPS.length;e++)this.size+=2+this.SPS[e].length;for(e=0;e<this.PPS.length;e++)this.size+=2+this.PPS[e].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(t),t.writeUint8(this.configurationVersion),t.writeUint8(this.AVCProfileIndication),t.writeUint8(this.profile_compatibility),t.writeUint8(this.AVCLevelIndication),t.writeUint8(this.lengthSizeMinusOne+252),t.writeUint8(this.SPS.length+224),e=0;e<this.SPS.length;e++)t.writeUint16(this.SPS[e].length),t.writeUint8Array(this.SPS[e].nalu);for(t.writeUint8(this.PPS.length),e=0;e<this.PPS.length;e++)t.writeUint16(this.PPS[e].length),t.writeUint8Array(this.PPS[e].nalu);this.ext&&t.writeUint8Array(this.ext)},f.co64Box.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(t),t.writeUint32(this.chunk_offsets.length),e=0;e<this.chunk_offsets.length;e++)t.writeUint64(this.chunk_offsets[e])},f.cslgBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20,this.writeHeader(t),t.writeInt32(this.compositionToDTSShift),t.writeInt32(this.leastDecodeToDisplayDelta),t.writeInt32(this.greatestDecodeToDisplayDelta),t.writeInt32(this.compositionStartTime),t.writeInt32(this.compositionEndTime)},f.cttsBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(t),t.writeUint32(this.sample_counts.length),e=0;e<this.sample_counts.length;e++)t.writeUint32(this.sample_counts[e]),1===this.version?t.writeInt32(this.sample_offsets[e]):t.writeUint32(this.sample_offsets[e])},f.drefBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++)this.entries[e].write(t),this.size+=this.entries[e].size;o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},f.elngBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(t),t.writeString(this.extended_language)},f.elstBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(t),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var r=this.entries[e];t.writeUint32(r.segment_duration),t.writeInt32(r.media_time),t.writeInt16(r.media_rate_integer),t.writeInt16(r.media_rate_fraction)}},f.emsgBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(t),t.writeCString(this.scheme_id_uri),t.writeCString(this.value),t.writeUint32(this.timescale),t.writeUint32(this.presentation_time_delta),t.writeUint32(this.event_duration),t.writeUint32(this.id),t.writeUint8Array(this.message_data)},f.ftypBox.prototype.write=function(t){this.size=8+4*this.compatible_brands.length,this.writeHeader(t),t.writeString(this.major_brand,null,4),t.writeUint32(this.minor_version);for(var e=0;e<this.compatible_brands.length;e++)t.writeString(this.compatible_brands[e],null,4)},f.hdlrBox.prototype.write=function(t){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(t),t.writeUint32(0),t.writeString(this.handler,null,4),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeCString(this.name)},f.hvcCBox.prototype.write=function(t){var e,r;for(this.size=23,e=0;e<this.nalu_arrays.length;e++)for(this.size+=3,r=0;r<this.nalu_arrays[e].length;r++)this.size+=2+this.nalu_arrays[e][r].data.length;for(this.writeHeader(t),t.writeUint8(this.configurationVersion),t.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),t.writeUint32(this.general_profile_compatibility),t.writeUint8Array(this.general_constraint_indicator),t.writeUint8(this.general_level_idc),t.writeUint16(this.min_spatial_segmentation_idc+251658240),t.writeUint8(this.parallelismType+252),t.writeUint8(this.chroma_format_idc+252),t.writeUint8(this.bit_depth_luma_minus8+248),t.writeUint8(this.bit_depth_chroma_minus8+248),t.writeUint16(this.avgFrameRate),t.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),t.writeUint8(this.nalu_arrays.length),e=0;e<this.nalu_arrays.length;e++)for(t.writeUint8((this.nalu_arrays[e].completeness<<7)+this.nalu_arrays[e].nalu_type),t.writeUint16(this.nalu_arrays[e].length),r=0;r<this.nalu_arrays[e].length;r++)t.writeUint16(this.nalu_arrays[e][r].data.length),t.writeUint8Array(this.nalu_arrays[e][r].data)},f.kindBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(t),t.writeCString(this.schemeURI),t.writeCString(this.value)},f.mdhdBox.prototype.write=function(t){this.size=20,this.flags=0,this.version=0,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.timescale),t.writeUint32(this.duration),t.writeUint16(this.language),t.writeUint16(0)},f.mehdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.fragment_duration)},f.mfhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4,this.writeHeader(t),t.writeUint32(this.sequence_number)},f.mvhdBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=96,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.timescale),t.writeUint32(this.duration),t.writeUint32(this.rate),t.writeUint16(this.volume<<8),t.writeUint16(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32Array(this.matrix),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(this.next_track_id)},f.SampleEntry.prototype.writeHeader=function(t){this.size=8,f.Box.prototype.writeHeader.call(this,t),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint8(0),t.writeUint16(this.data_reference_index)},f.SampleEntry.prototype.writeFooter=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t),this.size+=this.boxes[e].size;o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},f.SampleEntry.prototype.write=function(t){this.writeHeader(t),t.writeUint8Array(this.data),this.size+=this.data.length,o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},f.VisualSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=70,t.writeUint16(0),t.writeUint16(0),t.writeUint32(0),t.writeUint32(0),t.writeUint32(0),t.writeUint16(this.width),t.writeUint16(this.height),t.writeUint32(this.horizresolution),t.writeUint32(this.vertresolution),t.writeUint32(0),t.writeUint16(this.frame_count),t.writeUint8(Math.min(31,this.compressorname.length)),t.writeString(this.compressorname,null,31),t.writeUint16(this.depth),t.writeInt16(-1),this.writeFooter(t)},f.AudioSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=20,t.writeUint32(0),t.writeUint32(0),t.writeUint16(this.channel_count),t.writeUint16(this.samplesize),t.writeUint16(0),t.writeUint16(0),t.writeUint32(this.samplerate<<16),this.writeFooter(t)},f.stppSampleEntry.prototype.write=function(t){this.writeHeader(t),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,t.writeCString(this.namespace),t.writeCString(this.schema_location),t.writeCString(this.auxiliary_mime_types),this.writeFooter(t)},f.SampleGroupEntry.prototype.write=function(t){t.writeUint8Array(this.data)},f.sbgpBox.prototype.write=function(t){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(t),t.writeString(this.grouping_type,null,4),t.writeUint32(this.grouping_type_parameter),t.writeUint32(this.entries.length);for(var e=0;e<this.entries.length;e++){var r=this.entries[e];t.writeInt32(r.sample_count),t.writeInt32(r.group_description_index)}},f.sgpdBox.prototype.write=function(t){var e,r;for(this.flags=0,this.size=12,e=0;e<this.entries.length;e++)r=this.entries[e],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(t),t.writeString(this.grouping_type,null,4),1===this.version&&t.writeUint32(this.default_length),this.version>=2&&t.writeUint32(this.default_sample_description_index),t.writeUint32(this.entries.length),e=0;e<this.entries.length;e++)r=this.entries[e],1===this.version&&0===this.default_length&&t.writeUint32(r.description_length),r.write(t)},f.sidxBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(t),t.writeUint32(this.reference_ID),t.writeUint32(this.timescale),t.writeUint32(this.earliest_presentation_time),t.writeUint32(this.first_offset),t.writeUint16(0),t.writeUint16(this.references.length);for(var e=0;e<this.references.length;e++){var r=this.references[e];t.writeUint32(r.reference_type<<31|r.referenced_size),t.writeUint32(r.subsegment_duration),t.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},f.smhdBox.prototype.write=function(t){this.version=0,this.flags=1,this.size=4,this.writeHeader(t),t.writeUint16(this.balance),t.writeUint16(0)},f.stcoBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(t),t.writeUint32(this.chunk_offsets.length),t.writeUint32Array(this.chunk_offsets)},f.stscBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(t),t.writeUint32(this.first_chunk.length),e=0;e<this.first_chunk.length;e++)t.writeUint32(this.first_chunk[e]),t.writeUint32(this.samples_per_chunk[e]),t.writeUint32(this.sample_description_index[e])},f.stsdBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(t),t.writeUint32(this.entries.length),this.size+=4,e=0;e<this.entries.length;e++)this.entries[e].write(t),this.size+=this.entries[e].size;o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),t.adjustUint32(this.sizePosition,this.size)},f.stshBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(t),t.writeUint32(this.shadowed_sample_numbers.length),e=0;e<this.shadowed_sample_numbers.length;e++)t.writeUint32(this.shadowed_sample_numbers[e]),t.writeUint32(this.sync_sample_numbers[e])},f.stssBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(t),t.writeUint32(this.sample_numbers.length),t.writeUint32Array(this.sample_numbers)},f.stszBox.prototype.write=function(t){var e,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(e=0;e+1<this.sample_sizes.length;)if(this.sample_sizes[e+1]!==this.sample_sizes[0]){r=!1;break}else e++;else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(t),r?t.writeUint32(this.sample_sizes[0]):t.writeUint32(0),t.writeUint32(this.sample_sizes.length),r||t.writeUint32Array(this.sample_sizes)},f.sttsBox.prototype.write=function(t){var e;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(t),t.writeUint32(this.sample_counts.length),e=0;e<this.sample_counts.length;e++)t.writeUint32(this.sample_counts[e]),t.writeUint32(this.sample_deltas[e])},f.tfdtBox.prototype.write=function(t){this.version=this.baseMediaDecodeTime>4294967295?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(t),1===this.version?t.writeUint64(this.baseMediaDecodeTime):t.writeUint32(this.baseMediaDecodeTime)},f.tfhdBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&f.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(t),t.writeUint32(this.track_id),this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET&&t.writeUint64(this.base_data_offset),this.flags&f.TFHD_FLAG_SAMPLE_DESC&&t.writeUint32(this.default_sample_description_index),this.flags&f.TFHD_FLAG_SAMPLE_DUR&&t.writeUint32(this.default_sample_duration),this.flags&f.TFHD_FLAG_SAMPLE_SIZE&&t.writeUint32(this.default_sample_size),this.flags&f.TFHD_FLAG_SAMPLE_FLAGS&&t.writeUint32(this.default_sample_flags)},f.tkhdBox.prototype.write=function(t){this.version=0,this.size=80,this.writeHeader(t),t.writeUint32(this.creation_time),t.writeUint32(this.modification_time),t.writeUint32(this.track_id),t.writeUint32(0),t.writeUint32(this.duration),t.writeUint32(0),t.writeUint32(0),t.writeInt16(this.layer),t.writeInt16(this.alternate_group),t.writeInt16(this.volume<<8),t.writeUint16(0),t.writeInt32Array(this.matrix),t.writeUint32(this.width),t.writeUint32(this.height)},f.trexBox.prototype.write=function(t){this.version=0,this.flags=0,this.size=20,this.writeHeader(t),t.writeUint32(this.track_id),t.writeUint32(this.default_sample_description_index),t.writeUint32(this.default_sample_duration),t.writeUint32(this.default_sample_size),t.writeUint32(this.default_sample_flags)},f.trunBox.prototype.write=function(t){this.version=0,this.size=4,this.flags&f.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&f.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&f.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&f.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&f.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(t),t.writeUint32(this.sample_count),this.flags&f.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=t.getPosition(),t.writeInt32(this.data_offset)),this.flags&f.TRUN_FLAGS_FIRST_FLAG&&t.writeUint32(this.first_sample_flags);for(var e=0;e<this.sample_count;e++)this.flags&f.TRUN_FLAGS_DURATION&&t.writeUint32(this.sample_duration[e]),this.flags&f.TRUN_FLAGS_SIZE&&t.writeUint32(this.sample_size[e]),this.flags&f.TRUN_FLAGS_FLAGS&&t.writeUint32(this.sample_flags[e]),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?t.writeUint32(this.sample_composition_time_offset[e]):t.writeInt32(this.sample_composition_time_offset[e]))},f["url Box"].prototype.write=function(t){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(t),this.location&&t.writeCString(this.location)},f["urn Box"].prototype.write=function(t){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(t),t.writeCString(this.name),this.location&&t.writeCString(this.location)},f.vmhdBox.prototype.write=function(t){this.version=0,this.flags=1,this.size=8,this.writeHeader(t),t.writeUint16(this.graphicsmode),t.writeUint16Array(this.opcolor)},f.cttsBox.prototype.unpack=function(t){var e,r,n;for(n=0,e=0;e<this.sample_counts.length;e++)for(r=0;r<this.sample_counts[e];r++)t[n].pts=t[n].dts+this.sample_offsets[e],n++},f.sttsBox.prototype.unpack=function(t){var e,r,n;for(n=0,e=0;e<this.sample_counts.length;e++)for(r=0;r<this.sample_counts[e];r++)0===n?t[n].dts=0:t[n].dts=t[n-1].dts+this.sample_deltas[e],n++},f.stcoBox.prototype.unpack=function(t){var e;for(e=0;e<this.chunk_offsets.length;e++)t[e].offset=this.chunk_offsets[e]},f.stscBox.prototype.unpack=function(t){var e,r,n,s,a;for(s=0,a=0,e=0;e<this.first_chunk.length;e++)for(r=0;r<(e+1<this.first_chunk.length?this.first_chunk[e+1]:1/0);r++)for(a++,n=0;n<this.samples_per_chunk[e];n++){if(!t[s])return;t[s].description_index=this.sample_description_index[e],t[s].chunk_index=a,s++}},f.stszBox.prototype.unpack=function(t){var e;for(e=0;e<this.sample_sizes.length;e++)t[e].size=this.sample_sizes[e]},f.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],f.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],f.boxEqualFields=function(t,e){var r;if(t&&!e)return!1;for(r in t)if(!(f.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1)){if(t[r]instanceof f.Box||e[r]instanceof f.Box||(0,ek._)(t[r])>"u"||(0,ek._)(e[r])>"u"||"function"==typeof t[r]||"function"==typeof e[r]||t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||f.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1)continue;if(t[r]!==e[r])return!1}return!0},f.boxEqual=function(t,e){if(!f.boxEqualFields(t,e))return!1;for(var r=0;r<f.DIFF_BOXES_PROP_NAMES.length;r++){var n=f.DIFF_BOXES_PROP_NAMES[r];if(t[n]&&e[n]&&!f.boxEqual(t[n],e[n]))return!1}return!0},(d=function(){}).prototype.parseSample=function(t){var e,r={};r.resources=[];var n=new u(t.data.buffer);if(t.subsamples&&0!==t.subsamples.length){if(r.documentString=n.readString(t.subsamples[0].size),t.subsamples.length>1)for(e=1;e<t.subsamples.length;e++)r.resources[e]=n.readUint8Array(t.subsamples[e].size)}else r.documentString=n.readString(t.data.length);return("undefined"==typeof DOMParser?"undefined":(0,ek._)(DOMParser))<"u"&&(r.document=new DOMParser().parseFromString(r.documentString,"application/xml")),r},(p=function(){}).prototype.parseSample=function(t){return new u(t.data.buffer).readString(t.data.length)},p.prototype.parseConfig=function(t){var e=new u(t.buffer);return e.readUint32(),e.readCString()},rQ.XMLSubtitlein4Parser=d,rQ.Textin4Parser=p,(m=function(t){this.stream=t||new c,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1}).prototype.setSegmentOptions=function(t,e,r){var n=this.getTrackById(t);if(n){var s={};this.fragmentedTracks.push(s),s.id=t,s.user=e,s.trak=n,n.nextSample=0,s.segmentStream=null,s.nb_samples=1e3,s.rapAlignement=!0,r&&(r.nbSamples&&(s.nb_samples=r.nbSamples),r.rapAlignement&&(s.rapAlignement=r.rapAlignement))}},m.prototype.unsetSegmentOptions=function(t){for(var e=-1,r=0;r<this.fragmentedTracks.length;r++)this.fragmentedTracks[r].id==t&&(e=r);e>-1&&this.fragmentedTracks.splice(e,1)},m.prototype.setExtractionOptions=function(t,e,r){var n=this.getTrackById(t);if(n){var s={};this.extractedTracks.push(s),s.id=t,s.user=e,s.trak=n,n.nextSample=0,s.nb_samples=1e3,s.samples=[],r&&r.nbSamples&&(s.nb_samples=r.nbSamples)}},m.prototype.unsetExtractionOptions=function(t){for(var e=-1,r=0;r<this.extractedTracks.length;r++)this.extractedTracks[r].id==t&&(e=r);e>-1&&this.extractedTracks.splice(e,1)},m.prototype.parse=function(){var t,e,r;if(!(this.restoreParsePosition&&!this.restoreParsePosition()))for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}else if(this.saveParsePosition&&this.saveParsePosition(),(e=f.parseOneBox(this.stream,!1)).code===f.ERR_NOT_ENOUGH_DATA){if(!this.processIncompleteBox)return;if(this.processIncompleteBox(e))continue;return}else{switch(t="uuid"!==(r=e.box).type?r.type:r.uuid,this.boxes.push(r),t){case"mdat":this.mdats.push(r);break;case"moof":this.moofs.push(r);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[t]&&o.warn("ISOFile","Duplicate Box of type: "+t+", overriding previous occurrence"),this[t]=r}this.updateUsedBytes&&this.updateUsedBytes(r,e)}},m.prototype.checkBuffer=function(t){if(null==t)throw"Buffer must be defined and non empty";if(void 0===t.fileStart)throw"Buffer must have a fileStart property";return 0===t.byteLength?(o.warn("ISOFile","Ignoring empty buffer (fileStart: "+t.fileStart+")"),this.stream.logBufferLevel(),!1):(o.info("ISOFile","Processing buffer (fileStart: "+t.fileStart+")"),t.usedBytes=0,this.stream.insertBuffer(t),this.stream.logBufferLevel(),!!this.stream.initialized()||(o.warn("ISOFile","Not ready to start parsing"),!1))},m.prototype.appendBuffer=function(t,e){var r;if(this.checkBuffer(t))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(e),this.nextSeekPosition?(r=this.nextSeekPosition,this.nextSeekPosition=void 0):r=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(r=this.stream.getEndFilePositionAfter(r))):r=this.nextParsePosition?this.nextParsePosition: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&&(o.info("ISOFile","Done processing buffer (fileStart: "+t.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},m.prototype.getInfo=function(){var t,e,r,n,s,a,o={},u=/* @__PURE__ */new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(o.hasMoov=!0,o.duration=this.moov.mvhd.duration,o.timescale=this.moov.mvhd.timescale,o.isFragmented=null!=this.moov.mvex,o.isFragmented&&this.moov.mvex.mehd&&(o.fragment_duration=this.moov.mvex.mehd.fragment_duration),o.isProgressive=this.isProgressive,o.hasIOD=null!=this.moov.iods,o.brands=[],o.brands.push(this.ftyp.major_brand),o.brands=o.brands.concat(this.ftyp.compatible_brands),o.created=new Date(u+1e3*this.moov.mvhd.creation_time),o.modified=new Date(u+1e3*this.moov.mvhd.modification_time),o.tracks=[],o.audioTracks=[],o.videoTracks=[],o.subtitleTracks=[],o.metadataTracks=[],o.hintTracks=[],o.otherTracks=[],t=0;t<this.moov.traks.length;t++){if(a=(r=this.moov.traks[t]).mdia.minf.stbl.stsd.entries[0],n={},o.tracks.push(n),n.id=r.tkhd.track_id,n.name=r.mdia.hdlr.name,n.references=[],r.tref)for(e=0;e<r.tref.boxes.length;e++)s={},n.references.push(s),s.type=r.tref.boxes[e].type,s.track_ids=r.tref.boxes[e].track_ids;r.edts&&(n.edits=r.edts.elst.entries),n.created=new Date(u+1e3*r.tkhd.creation_time),n.modified=new Date(u+1e3*r.tkhd.modification_time),n.movie_duration=r.tkhd.duration,n.movie_timescale=o.timescale,n.layer=r.tkhd.layer,n.alternate_group=r.tkhd.alternate_group,n.volume=r.tkhd.volume,n.matrix=r.tkhd.matrix,n.track_width=r.tkhd.width/65536,n.track_height=r.tkhd.height/65536,n.timescale=r.mdia.mdhd.timescale,n.cts_shift=r.mdia.minf.stbl.cslg,n.duration=r.mdia.mdhd.duration,n.samples_duration=r.samples_duration,n.codec=a.getCodec(),n.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},n.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,n.nb_samples=r.samples.length,n.size=r.samples_size,n.bitrate=8*n.size*n.timescale/n.samples_duration,a.isAudio()?(n.type="audio",o.audioTracks.push(n),n.audio={},n.audio.sample_rate=a.getSampleRate(),n.audio.channel_count=a.getChannelCount(),n.audio.sample_size=a.getSampleSize()):a.isVideo()?(n.type="video",o.videoTracks.push(n),n.video={},n.video.width=a.getWidth(),n.video.height=a.getHeight()):a.isSubtitle()?(n.type="subtitles",o.subtitleTracks.push(n)):a.isHint()?(n.type="metadata",o.hintTracks.push(n)):a.isMetadata()?(n.type="metadata",o.metadataTracks.push(n)):(n.type="metadata",o.otherTracks.push(n))}else o.hasMoov=!1;if(o.mime="",o.hasMoov&&o.tracks){for(o.videoTracks&&o.videoTracks.length>0?o.mime+='video/mp4; codecs="':o.audioTracks&&o.audioTracks.length>0?o.mime+='audio/mp4; codecs="':o.mime+='application/mp4; codecs="',t=0;t<o.tracks.length;t++)0!==t&&(o.mime+=","),o.mime+=o.tracks[t].codec;o.mime+='"; profiles="',o.mime+=this.ftyp.compatible_brands.join(),o.mime+='"'}return o},m.prototype.setNextSeekPositionFromSample=function(t){t&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(t.offset+t.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=t.offset+t.alreadyRead)},m.prototype.processSamples=function(t){var e,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(e=0;e<this.fragmentedTracks.length;e++){var n=this.fragmentedTracks[e];for(r=n.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){o.debug("ISOFile","Creating media fragment on track #"+n.id+" for sample "+r.nextSample);var s=this.createFragment(n.id,r.nextSample,n.segmentStream);if(s)n.segmentStream=s,r.nextSample++;else break;if((r.nextSample%n.nb_samples==0||t||r.nextSample>=r.samples.length)&&(o.info("ISOFile","Sending fragmented data on track #"+n.id+" for samples ["+Math.max(0,r.nextSample-n.nb_samples)+","+(r.nextSample-1)+"]"),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(n.id,n.user,n.segmentStream.buffer,r.nextSample,t||r.nextSample>=r.samples.length),n.segmentStream=null,n!==this.fragmentedTracks[e]))break}}if(null!==this.onSamples)for(e=0;e<this.extractedTracks.length;e++){var a=this.extractedTracks[e];for(r=a.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){o.debug("ISOFile","Exporting on track #"+a.id+" sample #"+r.nextSample);var u=this.getSample(r,r.nextSample);if(u)r.nextSample++,a.samples.push(u);else{this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if((r.nextSample%a.nb_samples==0||r.nextSample>=r.samples.length)&&(o.debug("ISOFile","Sending samples on track #"+a.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(a.id,a.user,a.samples),a.samples=[],a!==this.extractedTracks[e]))break}}}},m.prototype.getBox=function(t){var e=this.getBoxes(t,!0);return e.length?e[0]:null},m.prototype.getBoxes=function(t,e){var r=[];return m._sweep.call(this,t,r,e),r},m._sweep=function(t,e,r){for(var n in this.type&&this.type==t&&e.push(this),this.boxes){if(e.length&&r)return;m._sweep.call(this.boxes[n],t,e,r)}},m.prototype.getTrackSamplesInfo=function(t){var e=this.getTrackById(t);if(e)return e.samples},m.prototype.getTrackSample=function(t,e){var r=this.getTrackById(t);return this.getSample(r,e)},m.prototype.releaseUsedSamples=function(t,e){var r=0,n=this.getTrackById(t);n.lastValidSample||(n.lastValidSample=0);for(var s=n.lastValidSample;s<e;s++)r+=this.releaseSample(n,s);o.info("ISOFile","Track #"+t+" released samples up to "+e+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),n.lastValidSample=e},m.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},m.prototype.stop=function(){this.sampleProcessingStarted=!1},m.prototype.flush=function(){o.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},m.prototype.seekTrack=function(t,e,r){var n,s,a,u=1/0,l=0,c=0;if(0===r.samples.length)return o.info("ISOFile","No sample in track, cannot seek! Using time "+o.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(n=0;n<r.samples.length;n++){if(s=r.samples[n],0===n)c=0,a=s.timescale;else if(s.cts>t*s.timescale){c=n-1;break}e&&s.is_sync&&(l=n)}for(e&&(c=l),t=r.samples[c].cts,r.nextSample=c;r.samples[c].alreadyRead===r.samples[c].size&&r.samples[c+1];)c++;return u=r.samples[c].offset+r.samples[c].alreadyRead,o.info("ISOFile","Seeking to "+(e?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(t,a)+" and offset: "+u),{offset:u,time:t/a}},m.prototype.getTrackDuration=function(t){var e;return t.samples?((e=t.samples[t.samples.length-1]).cts+e.duration)/e.timescale:1/0},m.prototype.seek=function(t,e){var r,n,s,a=this.moov,u={offset:1/0,time:1/0};if(this.moov){for(s=0;s<a.traks.length;s++)r=a.traks[s],!(t>this.getTrackDuration(r))&&((n=this.seekTrack(t,e,r)).offset<u.offset&&(u.offset=n.offset),n.time<u.time&&(u.time=n.time));return o.info("ISOFile","Seeking at time "+o.getDurationString(u.time,1)+" needs a buffer with a fileStart position of "+u.offset),u.offset===1/0?u={offset:this.nextParsePosition,time:0}:u.offset=this.stream.getEndFilePositionAfter(u.offset),o.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+u.offset),u}throw"Cannot seek: moov not received!"},m.prototype.equal=function(t){for(var e=0;e<this.boxes.length&&e<t.boxes.length;){var r=this.boxes[e],n=t.boxes[e];if(!f.boxEqual(r,n))return!1;e++}return!0},rQ.ISOFile=m,m.prototype.lastBoxStartPosition=0,m.prototype.parsingMdat=null,m.prototype.nextParsePosition=0,m.prototype.discardMdatData=!1,m.prototype.processIncompleteBox=function(t){var e;return"mdat"===t.type?(e=new f[t.type+"Box"](t.size),this.parsingMdat=e,this.boxes.push(e),this.mdats.push(e),e.start=t.start,e.hdr_size=t.hdr_size,this.stream.addUsedBytes(e.hdr_size),this.lastBoxStartPosition=e.start+e.size,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=e.start+e.size,!1)):("moov"===t.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(t.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+t.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},m.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},m.prototype.processIncompleteMdat=function(){var t;return t=this.parsingMdat,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(o.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},m.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},m.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},m.prototype.updateUsedBytes=function(t,e){this.stream.addUsedBytes&&("mdat"===t.type?(this.stream.addUsedBytes(t.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(t.size-t.hdr_size)):this.stream.addUsedBytes(t.size))},m.prototype.add=f.Box.prototype.add,m.prototype.addBox=f.Box.prototype.addBox,m.prototype.init=function(t){var e=t||{};this.add("ftyp").set("major_brand",e.brands&&e.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",e.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",e.timescale||600).set("rate",e.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",e.duration||0).set("volume",e.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},m.prototype.addTrack=function(t){this.moov||this.init(t);var e=t||{};e.width=e.width||320,e.height=e.height||320,e.id=e.id||this.moov.mvhd.next_track_id,e.type=e.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=e.id+1,r.add("tkhd").set("flags",f.TKHD_FLAG_ENABLED|f.TKHD_FLAG_IN_MOVIE|f.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",e.id).set("duration",e.duration||0).set("layer",e.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",e.width<<16).set("height",e.height<<16);var n=r.add("mdia");n.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",e.timescale||1).set("duration",e.media_duration||0).set("language",e.language||"und"),n.add("hdlr").set("handler",e.hdlr||"vide").set("name",e.name||"Track created with MP4Box.js"),n.add("elng").set("extended_language",e.language||"fr-FR");var s=n.add("minf");if(void 0!==f[e.type+"SampleEntry"]){var a=new f[e.type+"SampleEntry"];a.data_reference_index=1;var o="";for(var l in f.sampleEntryCodes)for(var c=f.sampleEntryCodes[l],h=0;h<c.length;h++)if(c.indexOf(e.type)>-1){o=l;break}switch(o){case"Visual":if(s.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),a.set("width",e.width).set("height",e.height).set("horizresolution",4718592).set("vertresolution",4718592).set("frame_count",1).set("compressorname",e.type+" Compressor").set("depth",24),e.avcDecoderConfigRecord){var d=new f.avcCBox;d.parse(new u(e.avcDecoderConfigRecord)),a.addBox(d)}else if(e.hevcDecoderConfigRecord){var p=new f.hvcCBox;p.parse(new u(e.hevcDecoderConfigRecord)),a.addBox(p)}break;case"Audio":s.add("smhd").set("balance",e.balance||0),a.set("channel_count",e.channel_count||2).set("samplesize",e.samplesize||16).set("samplerate",e.samplerate||65536);break;case"Hint":s.add("hmhd");break;case"Subtitle":s.add("sthd"),"stpp"===e.type&&a.set("namespace",e.namespace||"nonamespace").set("schema_location",e.schema_location||"").set("auxiliary_mime_types",e.auxiliary_mime_types||"");break;default:s.add("nmhd")}e.description&&a.addBox(e.description),e.description_boxes&&e.description_boxes.forEach(function(t){a.addBox(t)}),s.add("dinf").add("dref").addEntry(new f["url Box"]().set("flags",1));var m=s.add("stbl");return m.add("stsd").addEntry(a),m.add("stts").set("sample_counts",[]).set("sample_deltas",[]),m.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),m.add("stco").set("chunk_offsets",[]),m.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",e.id).set("default_sample_description_index",e.default_sample_description_index||1).set("default_sample_duration",e.default_sample_duration||0).set("default_sample_size",e.default_sample_size||0).set("default_sample_flags",e.default_sample_flags||0),this.buildTrakSampleLists(r),e.id}},f.Box.prototype.computeSize=function(t){var e=t||new l;e.endianness=l.BIG_ENDIAN,this.write(e)},m.prototype.addSample=function(t,e,r){var n=r||{},s={},a=this.getTrackById(t);if(null!==a){s.number=a.samples.length,s.track_id=a.tkhd.track_id,s.timescale=a.mdia.mdhd.timescale,s.description_index=n.sample_description_index?n.sample_description_index-1:0,s.description=a.mdia.minf.stbl.stsd.entries[s.description_index],s.data=e,s.size=e.byteLength,s.alreadyRead=s.size,s.duration=n.duration||1,s.cts=n.cts||0,s.dts=n.dts||0,s.is_sync=n.is_sync||!1,s.is_leading=n.is_leading||0,s.depends_on=n.depends_on||0,s.is_depended_on=n.is_depended_on||0,s.has_redundancy=n.has_redundancy||0,s.degradation_priority=n.degradation_priority||0,s.offset=0,s.subsamples=n.subsamples,a.samples.push(s),a.samples_size+=s.size,a.samples_duration+=s.duration,void 0===a.first_dts&&(a.first_dts=n.dts),this.processSamples();var o=this.createSingleSampleMoof(s);return this.addBox(o),o.computeSize(),o.trafs[0].truns[0].data_offset=o.size+8,this.add("mdat").data=new Uint8Array(e),s}},m.prototype.createSingleSampleMoof=function(t){var e=0;e=t.is_sync?33554432:65536;var r=new f.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var n=r.add("traf"),s=this.getTrackById(t.track_id);return n.add("tfhd").set("track_id",t.track_id).set("flags",f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),n.add("tfdt").set("baseMediaDecodeTime",t.dts-(s.first_dts||0)),n.add("trun").set("flags",f.TRUN_FLAGS_DATA_OFFSET|f.TRUN_FLAGS_DURATION|f.TRUN_FLAGS_SIZE|f.TRUN_FLAGS_FLAGS|f.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[t.duration]).set("sample_size",[t.size]).set("sample_flags",[e]).set("sample_composition_time_offset",[t.cts-t.dts]),r},m.prototype.lastMoofIndex=0,m.prototype.samplesDataSize=0,m.prototype.resetTables=function(){var t,e,r,n,s,a;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,t=0;t<this.moov.traks.length;t++){(e=this.moov.traks[t]).tkhd.duration=0,e.mdia.mdhd.duration=0,(e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64).chunk_offsets=[],(r=e.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2).sample_sizes=[],(n=e.mdia.minf.stbl.stts).sample_counts=[],n.sample_deltas=[],(s=e.mdia.minf.stbl.ctts)&&(s.sample_counts=[],s.sample_offsets=[]),a=e.mdia.minf.stbl.stss;var o=e.mdia.minf.stbl.boxes.indexOf(a);-1!=o&&(e.mdia.minf.stbl.boxes[o]=null)}},m.initSampleGroups=function(t,e,r,n,s){var a,o,u,l;function c(t,e,r){this.grouping_type=t,this.grouping_type_parameter=e,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(e&&(e.sample_groups_info=[]),t.sample_groups_info||(t.sample_groups_info=[]),o=0;o<r.length;o++){for(l=r[o].grouping_type+"/"+r[o].grouping_type_parameter,u=new c(r[o].grouping_type,r[o].grouping_type_parameter,r[o]),e&&(e.sample_groups_info[l]=u),t.sample_groups_info[l]||(t.sample_groups_info[l]=u),a=0;a<n.length;a++)n[a].grouping_type===r[o].grouping_type&&(u.description=n[a],u.description.used=!0);if(s)for(a=0;a<s.length;a++)s[a].grouping_type===r[o].grouping_type&&(u.fragment_description=s[a],u.fragment_description.used=!0,u.is_fragment=!0)}if(e){if(s)for(o=0;o<s.length;o++)!s[o].used&&s[o].version>=2&&(l=s[o].grouping_type+"/0",(u=new c(s[o].grouping_type,0)).is_fragment=!0,e.sample_groups_info[l]||(e.sample_groups_info[l]=u))}else for(o=0;o<n.length;o++)!n[o].used&&n[o].version>=2&&(l=n[o].grouping_type+"/0",u=new c(n[o].grouping_type,0),t.sample_groups_info[l]||(t.sample_groups_info[l]=u))},m.setSampleGroupProperties=function(t,e,r,n){var s,a,o;for(s in e.sample_groups=[],n)e.sample_groups[s]={},e.sample_groups[s].grouping_type=n[s].grouping_type,e.sample_groups[s].grouping_type_parameter=n[s].grouping_type_parameter,r>=n[s].last_sample_in_run&&(n[s].last_sample_in_run<0&&(n[s].last_sample_in_run=0),n[s].entry_index++,n[s].entry_index<=n[s].sbgp.entries.length-1&&(n[s].last_sample_in_run+=n[s].sbgp.entries[n[s].entry_index].sample_count)),n[s].entry_index<=n[s].sbgp.entries.length-1?e.sample_groups[s].group_description_index=n[s].sbgp.entries[n[s].entry_index].group_description_index:e.sample_groups[s].group_description_index=-1,0!==e.sample_groups[s].group_description_index&&(o=n[s].fragment_description?n[s].fragment_description:n[s].description,e.sample_groups[s].group_description_index>0?(a=e.sample_groups[s].group_description_index>65535?(e.sample_groups[s].group_description_index>>16)-1:e.sample_groups[s].group_description_index-1,o&&a>=0&&(e.sample_groups[s].description=o.entries[a])):o&&o.version>=2&&o.default_group_description_index>0&&(e.sample_groups[s].description=o.entries[o.default_group_description_index-1]))},m.process_sdtp=function(t,e,r){e&&(t?(e.is_leading=t.is_leading[r],e.depends_on=t.sample_depends_on[r],e.is_depended_on=t.sample_is_depended_on[r],e.has_redundancy=t.sample_has_redundancy[r]):(e.is_leading=0,e.depends_on=0,e.is_depended_on=0,e.has_redundancy=0))},m.prototype.buildSampleLists=function(){var t,e;for(t=0;t<this.moov.traks.length;t++)e=this.moov.traks[t],this.buildTrakSampleLists(e)},m.prototype.buildTrakSampleLists=function(t){var e,r,n,s,a,o,u,l,c,h,f,d,p,_,y,g,v,b,w,S,x,E,U,T;if(t.samples=[],t.samples_duration=0,t.samples_size=0,r=t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64,n=t.mdia.minf.stbl.stsc,s=t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2,a=t.mdia.minf.stbl.stts,o=t.mdia.minf.stbl.ctts,u=t.mdia.minf.stbl.stss,l=t.mdia.minf.stbl.stsd,c=t.mdia.minf.stbl.subs,d=t.mdia.minf.stbl.stdp,h=t.mdia.minf.stbl.sbgps,f=t.mdia.minf.stbl.sgpds,b=-1,w=-1,S=-1,x=-1,E=0,U=0,T=0,m.initSampleGroups(t,null,h,f),!((void 0===s?"undefined":(0,ek._)(s))>"u")){for(e=0;e<s.sample_sizes.length;e++){var A={};A.number=e,A.track_id=t.tkhd.track_id,A.timescale=t.mdia.mdhd.timescale,A.alreadyRead=0,t.samples[e]=A,A.size=s.sample_sizes[e],t.samples_size+=A.size,0===e?(_=1,p=0,A.chunk_index=_,A.chunk_run_index=p,v=n.samples_per_chunk[p],g=0,y=p+1<n.first_chunk.length?n.first_chunk[p+1]-1:1/0):e<v?(A.chunk_index=_,A.chunk_run_index=p):(_++,A.chunk_index=_,g=0,_<=y||(y=++p+1<n.first_chunk.length?n.first_chunk[p+1]-1:1/0),A.chunk_run_index=p,v+=n.samples_per_chunk[p]),A.description_index=n.sample_description_index[A.chunk_run_index]-1,A.description=l.entries[A.description_index],A.offset=r.chunk_offsets[A.chunk_index-1]+g,g+=A.size,e>b&&(w++,b<0&&(b=0),b+=a.sample_counts[w]),e>0?(t.samples[e-1].duration=a.sample_deltas[w],t.samples_duration+=t.samples[e-1].duration,A.dts=t.samples[e-1].dts+t.samples[e-1].duration):A.dts=0,o?(e>=S&&(x++,S<0&&(S=0),S+=o.sample_counts[x]),A.cts=t.samples[e].dts+o.sample_offsets[x]):A.cts=A.dts,u?(e==u.sample_numbers[E]-1?(A.is_sync=!0,E++):(A.is_sync=!1,A.degradation_priority=0),c&&c.entries[U].sample_delta+T==e+1&&(A.subsamples=c.entries[U].subsamples,T+=c.entries[U].sample_delta,U++)):A.is_sync=!0,m.process_sdtp(t.mdia.minf.stbl.sdtp,A,A.number),d?A.degradation_priority=d.priority[e]:A.degradation_priority=0,c&&c.entries[U].sample_delta+T==e&&(A.subsamples=c.entries[U].subsamples,T+=c.entries[U].sample_delta),(h.length>0||f.length>0)&&m.setSampleGroupProperties(t,A,e,t.sample_groups_info)}e>0&&(t.samples[e-1].duration=Math.max(t.mdia.mdhd.duration-t.samples[e-1].dts,0),t.samples_duration+=t.samples[e-1].duration)}},m.prototype.updateSampleLists=function(){var t,e,r,n,s,a,o,u,l,c,h,d,p,_;if(void 0!==this.moov){for(;this.lastMoofIndex<this.moofs.length;)if(l=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==l.type)for(t=0;t<l.trafs.length;t++){for(c=l.trafs[t],h=this.getTrackById(c.tfhd.track_id),d=this.getTrexById(c.tfhd.track_id),n=c.tfhd.flags&f.TFHD_FLAG_SAMPLE_DESC?c.tfhd.default_sample_description_index:d?d.default_sample_description_index:1,s=c.tfhd.flags&f.TFHD_FLAG_SAMPLE_DUR?c.tfhd.default_sample_duration:d?d.default_sample_duration:0,a=c.tfhd.flags&f.TFHD_FLAG_SAMPLE_SIZE?c.tfhd.default_sample_size:d?d.default_sample_size:0,o=c.tfhd.flags&f.TFHD_FLAG_SAMPLE_FLAGS?c.tfhd.default_sample_flags:d?d.default_sample_flags:0,c.sample_number=0,c.sbgps.length>0&&m.initSampleGroups(h,c,c.sbgps,h.mdia.minf.stbl.sgpds,c.sgpds),e=0;e<c.truns.length;e++){var y=c.truns[e];for(r=0;r<y.sample_count;r++){(p={}).moof_number=this.lastMoofIndex,p.number_in_traf=c.sample_number,c.sample_number++,p.number=h.samples.length,c.first_sample_index=h.samples.length,h.samples.push(p),p.track_id=h.tkhd.track_id,p.timescale=h.mdia.mdhd.timescale,p.description_index=n-1,p.description=h.mdia.minf.stbl.stsd.entries[p.description_index],p.size=a,y.flags&f.TRUN_FLAGS_SIZE&&(p.size=y.sample_size[r]),h.samples_size+=p.size,p.duration=s,y.flags&f.TRUN_FLAGS_DURATION&&(p.duration=y.sample_duration[r]),h.samples_duration+=p.duration,h.first_traf_merged||r>0?p.dts=h.samples[h.samples.length-2].dts+h.samples[h.samples.length-2].duration:(c.tfdt?p.dts=c.tfdt.baseMediaDecodeTime:p.dts=0,h.first_traf_merged=!0),p.cts=p.dts,y.flags&f.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+y.sample_composition_time_offset[r]),_=o,y.flags&f.TRUN_FLAGS_FLAGS?_=y.sample_flags[r]:0===r&&y.flags&f.TRUN_FLAGS_FIRST_FLAG&&(_=y.first_sample_flags),p.is_sync=!(_>>16&1),p.is_leading=_>>26&3,p.depends_on=_>>24&3,p.is_depended_on=_>>22&3,p.has_redundancy=_>>20&3,p.degradation_priority=65535&_;var g=!!(c.tfhd.flags&f.TFHD_FLAG_BASE_DATA_OFFSET),v=!!(c.tfhd.flags&f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),b=!!(y.flags&f.TRUN_FLAGS_DATA_OFFSET),w=0;w=g?c.tfhd.base_data_offset:v||0===e?l.start:u,0===e&&0===r?b?p.offset=w+y.data_offset:p.offset=w:p.offset=u,u=p.offset+p.size,(c.sbgps.length>0||c.sgpds.length>0||h.mdia.minf.stbl.sbgps.length>0||h.mdia.minf.stbl.sgpds.length>0)&&m.setSampleGroupProperties(h,p,p.number_in_traf,c.sample_groups_info)}}if(c.subs){h.has_fragment_subsamples=!0;var S=c.first_sample_index;for(e=0;e<c.subs.entries.length;e++)S+=c.subs.entries[e].sample_delta,(p=h.samples[S-1]).subsamples=c.subs.entries[e].subsamples}}}},m.prototype.getSample=function(t,e){var r,n=t.samples[e];if(!this.moov)return null;if(n.data){if(n.alreadyRead==n.size)return n}else n.data=new Uint8Array(n.size),n.alreadyRead=0,this.samplesDataSize+=n.size,o.debug("ISOFile","Allocating sample #"+e+" on track #"+t.tkhd.track_id+" of size "+n.size+" (total: "+this.samplesDataSize+")");for(;;){var s=this.stream.findPosition(!0,n.offset+n.alreadyRead,!1);if(!(s>-1))return null;var a=(r=this.stream.buffers[s]).byteLength-(n.offset+n.alreadyRead-r.fileStart);if(n.size-n.alreadyRead<=a)return o.debug("ISOFile","Getting sample #"+e+" data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-r.fileStart)+" read size: "+(n.size-n.alreadyRead)+" full size: "+n.size+")"),l.memcpy(n.data.buffer,n.alreadyRead,r,n.offset+n.alreadyRead-r.fileStart,n.size-n.alreadyRead),r.usedBytes+=n.size-n.alreadyRead,this.stream.logBufferLevel(),n.alreadyRead=n.size,n;if(0===a)return null;o.debug("ISOFile","Getting sample #"+e+" partial data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-r.fileStart)+" read size: "+a+" full size: "+n.size+")"),l.memcpy(n.data.buffer,n.alreadyRead,r,n.offset+n.alreadyRead-r.fileStart,a),n.alreadyRead+=a,r.usedBytes+=a,this.stream.logBufferLevel()}},m.prototype.releaseSample=function(t,e){var r=t.samples[e];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},m.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},m.prototype.getCodecs=function(){var t,e="";for(t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];t>0&&(e+=","),e+=r.mdia.minf.stbl.stsd.entries[0].getCodec()}return e},m.prototype.getTrexById=function(t){var e;if(!this.moov||!this.moov.mvex)return null;for(e=0;e<this.moov.mvex.trexs.length;e++){var r=this.moov.mvex.trexs[e];if(r.track_id==t)return r}return null},m.prototype.getTrackById=function(t){if(void 0===this.moov)return null;for(var e=0;e<this.moov.traks.length;e++){var r=this.moov.traks[e];if(r.tkhd.track_id==t)return r}return null},m.prototype.items=[],m.prototype.itemsDataSize=0,m.prototype.flattenItemInfo=function(){var t,e,r,n=this.items,s=this.meta;if(null!=s&&void 0!==s.hdlr&&void 0!==s.iinf){for(t=0;t<s.iinf.item_infos.length;t++)(r={}).id=s.iinf.item_infos[t].item_ID,n[r.id]=r,r.ref_to=[],r.name=s.iinf.item_infos[t].item_name,s.iinf.item_infos[t].protection_index>0&&(r.protection=s.ipro.protections[s.iinf.item_infos[t].protection_index-1]),s.iinf.item_infos[t].item_type?r.type=s.iinf.item_infos[t].item_type:r.type="mime",r.content_type=s.iinf.item_infos[t].content_type,r.content_encoding=s.iinf.item_infos[t].content_encoding;if(s.iloc)for(t=0;t<s.iloc.items.length;t++){var a=s.iloc.items[t];switch(r=n[a.item_ID],0!==a.data_reference_index&&(o.warn("Item storage with reference to other files: not supported"),r.source=s.dinf.boxes[a.data_reference_index-1]),a.construction_method){case 0:break;case 1:case 2:o.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,e=0;e<a.extents.length;e++)r.extents[e]={},r.extents[e].offset=a.extents[e].extent_offset+a.base_offset,r.extents[e].length=a.extents[e].extent_length,r.extents[e].alreadyRead=0,r.size+=r.extents[e].length}if(s.pitm&&(n[s.pitm.item_id].primary=!0),s.iref)for(t=0;t<s.iref.references.length;t++){var u=s.iref.references[t];for(e=0;e<u.references.length;e++)n[u.from_item_ID].ref_to.push({type:u.type,id:u.references[e]})}if(s.iprp)for(var l=0;l<s.iprp.ipmas.length;l++){var c=s.iprp.ipmas[l];for(t=0;t<c.associations.length;t++){var h=c.associations[t];for(void 0===(r=n[h.id]).properties&&(r.properties={},r.properties.boxes=[]),e=0;e<h.props.length;e++){var f=h.props[e];if(f.property_index>0&&f.property_index-1<s.iprp.ipco.boxes.length){var d=s.iprp.ipco.boxes[f.property_index-1];r.properties[d.type]=d,r.properties.boxes.push(d)}}}}}},m.prototype.getItem=function(t){var e,r;if(!this.meta)return null;if(!(r=this.items[t]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,o.debug("ISOFile","Allocating item #"+t+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var n=0;n<r.extents.length;n++){var s=r.extents[n];if(s.alreadyRead!==s.length){var a=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(a>-1))return null;var u=(e=this.stream.buffers[a]).byteLength-(s.offset+s.alreadyRead-e.fileStart);if(!(s.length-s.alreadyRead<=u))return o.debug("ISOFile","Getting item #"+t+" extent #"+n+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-e.fileStart)+" read size: "+u+" full extent size: "+s.length+" full item size: "+r.size+")"),l.memcpy(r.data.buffer,r.alreadyRead,e,s.offset+s.alreadyRead-e.fileStart,u),s.alreadyRead+=u,r.alreadyRead+=u,e.usedBytes+=u,this.stream.logBufferLevel(),null;o.debug("ISOFile","Getting item #"+t+" extent #"+n+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-e.fileStart)+" read size: "+(s.length-s.alreadyRead)+" full extent size: "+s.length+" full item size: "+r.size+")"),l.memcpy(r.data.buffer,r.alreadyRead,e,s.offset+s.alreadyRead-e.fileStart,s.length-s.alreadyRead),e.usedBytes+=s.length-s.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=s.length-s.alreadyRead,s.alreadyRead=s.length}}return r.alreadyRead===r.size?r:null},m.prototype.releaseItem=function(t){var e=this.items[t];if(!e.data)return 0;this.itemsDataSize-=e.size,e.data=null,e.alreadyRead=0;for(var r=0;r<e.extents.length;r++)e.extents[r].alreadyRead=0;return e.size},m.prototype.processItems=function(t){for(var e in this.items){var r=this.items[e];this.getItem(r.id),t&&!r.sent&&(t(r),r.sent=!0,r.data=null)}},m.prototype.hasItem=function(t){for(var e in this.items){var r=this.items[e];if(r.name===t)return r.id}return -1},m.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},m.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},m.prototype.itemToFragmentedTrackFile=function(t){var e=t||{},r=null;if(null==(r=e.itemId?this.getItem(e.itemId):this.getPrimaryItem()))return null;var n=new m;n.discardMdatData=!1;var s={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(s.width=r.properties.ispe.image_width,s.height=r.properties.ispe.image_height);var a=n.addTrack(s);return a?(n.addSample(a,r.data),n):null},m.prototype.write=function(t){for(var e=0;e<this.boxes.length;e++)this.boxes[e].write(t)},m.prototype.createFragment=function(t,e,r){var n=this.getTrackById(t),s=this.getSample(n,e);if(null==s)return this.setNextSeekPositionFromSample(n.samples[e]),null;var a=r||new l;a.endianness=l.BIG_ENDIAN;var u=this.createSingleSampleMoof(s);u.write(a),u.trafs[0].truns[0].data_offset=u.size+8,o.debug("MP4Box","Adjusting data_offset with new value "+u.trafs[0].truns[0].data_offset),a.adjustUint32(u.trafs[0].truns[0].data_offset_position,u.trafs[0].truns[0].data_offset);var c=new f.mdatBox;return c.data=s.data,c.write(a),a},m.writeInitializationSegment=function(t,e,r,n){o.debug("ISOFile","Generating initialization segment");var s,a=new l;a.endianness=l.BIG_ENDIAN,t.write(a);var u=e.add("mvex");for(r&&u.add("mehd").set("fragment_duration",r),s=0;s<e.traks.length;s++)u.add("trex").set("track_id",e.traks[s].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",n).set("default_sample_size",0).set("default_sample_flags",65536);return e.write(a),a.buffer},m.prototype.save=function(t){var e=new l;e.endianness=l.BIG_ENDIAN,this.write(e),e.save(t)},m.prototype.getBuffer=function(){var t=new l;return t.endianness=l.BIG_ENDIAN,this.write(t),t.buffer},m.prototype.initializeSegmentation=function(){var t,e,r,n;for(null===this.onSegment&&o.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),e=[],t=0;t<this.fragmentedTracks.length;t++){var s=new f.moovBox;s.mvhd=this.moov.mvhd,s.boxes.push(s.mvhd),r=this.getTrackById(this.fragmentedTracks[t].id),s.boxes.push(r),s.traks.push(r),(n={}).id=r.tkhd.track_id,n.user=this.fragmentedTracks[t].user,n.buffer=m.writeInitializationSegment(this.ftyp,s,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[t].samples.length>0?this.moov.traks[t].samples[0].duration:0),e.push(n)}return e},f.Box.prototype.printHeader=function(t){this.size+=8,this.size>4294967296&&(this.size+=8),"uuid"===this.type&&(this.size+=16),t.log(t.indent+"size:"+this.size),t.log(t.indent+"type:"+this.type)},f.FullBox.prototype.printHeader=function(t){this.size+=4,f.Box.prototype.printHeader.call(this,t),t.log(t.indent+"version:"+this.version),t.log(t.indent+"flags:"+this.flags)},f.Box.prototype.print=function(t){this.printHeader(t)},f.ContainerBox.prototype.print=function(t){this.printHeader(t);for(var e=0;e<this.boxes.length;e++)if(this.boxes[e]){var r=t.indent;t.indent+=" ",this.boxes[e].print(t),t.indent=r}},m.prototype.print=function(t){t.indent="";for(var e=0;e<this.boxes.length;e++)this.boxes[e]&&this.boxes[e].print(t)},f.mvhdBox.prototype.print=function(t){f.FullBox.prototype.printHeader.call(this,t),t.log(t.indent+"creation_time: "+this.creation_time),t.log(t.indent+"modification_time: "+this.modification_time),t.log(t.indent+"timescale: "+this.timescale),t.log(t.indent+"duration: 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