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mp4box - npm Package Compare versions
Comparing version 0.4.9 to 0.5.1
@@ -515,11 +515,11 @@ // file:src/log-simple.js | ||
| } | ||
| if (size < hdr_size) { | ||
| if (size !== 0 && size < hdr_size) { | ||
| Log.error("BoxParser", "Box of type "+type+" has an invalid size "+size+" (too small to be a box)"); | ||
| return { code: BoxParser.ERR_NOT_ENOUGH_DATA, type: type, size: size, hdr_size: hdr_size, start: start }; | ||
| } | ||
| if (parentSize && size > parentSize) { | ||
| if (size !== 0 && parentSize && size > parentSize) { | ||
| Log.error("BoxParser", "Box of type '"+type+"' has a size "+size+" greater than its container size "+parentSize); | ||
| return { code: BoxParser.ERR_NOT_ENOUGH_DATA, type: type, size: size, hdr_size: hdr_size, start: start }; | ||
| } | ||
| if (start + size > stream.getEndPosition()) { | ||
| if (size !== 0 && start + size > stream.getEndPosition()) { | ||
| stream.seek(start); | ||
@@ -565,3 +565,3 @@ Log.info("BoxParser", "Not enough data in stream to parse the entire '"+type+"' box"); | ||
| Log.error("BoxParser", "Parsing of box '"+box_type+"' read "+diff+" more bytes than the indicated box data size, seeking backwards"); | ||
| stream.seek(box.start+box.size); | ||
| if (box.size !== 0) stream.seek(box.start+box.size); | ||
| } | ||
@@ -1193,2 +1193,3 @@ return { code: BoxParser.OK, box: box, size: box.size }; | ||
| var track; | ||
| var ref; | ||
| var sample_desc; | ||
@@ -1195,0 +1196,0 @@ var _1904 = (new Date('1904-01-01T00:00:00Z').getTime()); |
@@ -1,4 +0,4 @@ | ||
| /*! mp4box 28-08-2021 */ | ||
| /*! mp4box 19-03-2022 */ | ||
| var Log=console;Log.setLogLevel=function(e){};var MP4BoxStream=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};MP4BoxStream.prototype.getPosition=function(){return this.position},MP4BoxStream.prototype.getEndPosition=function(){return this.buffer.byteLength},MP4BoxStream.prototype.getLength=function(){return this.buffer.byteLength},MP4BoxStream.prototype.seek=function(e){e=Math.max(0,Math.min(this.buffer.byteLength,e));return this.position=isNaN(e)||!isFinite(e)?0:e,!0},MP4BoxStream.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},MP4BoxStream.prototype.readAnyInt=function(e,t){var i=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:i=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:i=t?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(t)throw"No method for reading signed 24 bits values";i=this.dataview.getUint8(this.position)<<16,i|=this.dataview.getUint8(this.position+1)<<8,i|=this.dataview.getUint8(this.position+2);break;case 4:i=t?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(t)throw"No method for reading signed 64 bits values";i=this.dataview.getUint32(this.position)<<32,i|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,i}throw"Not enough bytes in buffer"},MP4BoxStream.prototype.readUint8=function(){return this.readAnyInt(1,!1)},MP4BoxStream.prototype.readUint16=function(){return this.readAnyInt(2,!1)},MP4BoxStream.prototype.readUint24=function(){return this.readAnyInt(3,!1)},MP4BoxStream.prototype.readUint32=function(){return this.readAnyInt(4,!1)},MP4BoxStream.prototype.readUint64=function(){return this.readAnyInt(8,!1)},MP4BoxStream.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",i=0;i<e;i++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},MP4BoxStream.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},MP4BoxStream.prototype.readInt8=function(){return this.readAnyInt(1,!0)},MP4BoxStream.prototype.readInt16=function(){return this.readAnyInt(2,!0)},MP4BoxStream.prototype.readInt32=function(){return this.readAnyInt(4,!0)},MP4BoxStream.prototype.readInt64=function(){return this.readAnyInt(8,!1)},MP4BoxStream.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),i=0;i<e;i++)t[i]=this.readUint8();return t},MP4BoxStream.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),i=0;i<e;i++)t[i]=this.readInt16();return t},MP4BoxStream.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),i=0;i<e;i++)t[i]=this.readUint16();return t},MP4BoxStream.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),i=0;i<e;i++)t[i]=this.readUint32();return t},MP4BoxStream.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),i=0;i<e;i++)t[i]=this.readInt32();return t},"undefined"!=typeof exports&&(exports.MP4BoxStream=MP4BoxStream);var BoxParser={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"]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){BoxParser.FullBox.prototype=new BoxParser.Box,BoxParser.ContainerBox.prototype=new BoxParser.Box,BoxParser.SampleEntry.prototype=new BoxParser.Box,BoxParser.TrackGroupTypeBox.prototype=new BoxParser.FullBox,BoxParser.BASIC_BOXES.forEach(function(e){BoxParser.createBoxCtor(e)}),BoxParser.FULL_BOXES.forEach(function(e){BoxParser.createFullBoxCtor(e)}),BoxParser.CONTAINER_BOXES.forEach(function(e){BoxParser.createContainerBoxCtor(e[0],null,e[1])})},Box:function(e,t,i){this.type=e,this.size=t,this.uuid=i},FullBox:function(e,t,i){BoxParser.Box.call(this,e,t,i),this.flags=0,this.version=0},ContainerBox:function(e,t,i){BoxParser.Box.call(this,e,t,i),this.boxes=[]},SampleEntry:function(e,t,i,r){BoxParser.ContainerBox.call(this,e,t),this.hdr_size=i,this.start=r},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){BoxParser.FullBox.call(this,e,t)},createBoxCtor:function(t,e){BoxParser.boxCodes.push(t),BoxParser[t+"Box"]=function(e){BoxParser.Box.call(this,t,e)},BoxParser[t+"Box"].prototype=new BoxParser.Box,e&&(BoxParser[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,i){BoxParser[t+"Box"]=function(e){BoxParser.FullBox.call(this,t,e)},BoxParser[t+"Box"].prototype=new BoxParser.FullBox,BoxParser[t+"Box"].prototype.parse=function(e){this.parseFullHeader(e),i&&i.call(this,e)}},addSubBoxArrays:function(e){if(e)for(var t=(this.subBoxNames=e).length,i=0;i<t;i++)this[e[i]+"s"]=[]},createContainerBoxCtor:function(t,e,i){BoxParser[t+"Box"]=function(e){BoxParser.ContainerBox.call(this,t,e),BoxParser.addSubBoxArrays.call(this,i)},BoxParser[t+"Box"].prototype=new BoxParser.ContainerBox,e&&(BoxParser[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(e,t,i){BoxParser.sampleEntryCodes[e]=[],BoxParser[e+"SampleEntry"]=function(e,t){BoxParser.SampleEntry.call(this,e,t),BoxParser.addSubBoxArrays.call(this,i)},BoxParser[e+"SampleEntry"].prototype=new BoxParser.SampleEntry,t&&(BoxParser[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(t,i,e,r){BoxParser.sampleEntryCodes[t].push(i),BoxParser[i+"SampleEntry"]=function(e){BoxParser[t+"SampleEntry"].call(this,i,e),BoxParser.addSubBoxArrays.call(this,r)},BoxParser[i+"SampleEntry"].prototype=new BoxParser[t+"SampleEntry"],e&&(BoxParser[i+"SampleEntry"].prototype.parse=e)},createEncryptedSampleEntryCtor:function(e,t,i){BoxParser.createSampleEntryCtor.call(this,e,t,i,["sinf"])},createSampleGroupCtor:function(t,e){BoxParser[t+"SampleGroupEntry"]=function(e){BoxParser.SampleGroupEntry.call(this,t,e)},BoxParser[t+"SampleGroupEntry"].prototype=new BoxParser.SampleGroupEntry,e&&(BoxParser[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){BoxParser[t+"TrackGroupTypeBox"]=function(e){BoxParser.TrackGroupTypeBox.call(this,t,e)},BoxParser[t+"TrackGroupTypeBox"].prototype=new BoxParser.TrackGroupTypeBox,e&&(BoxParser[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,i,r,s){BoxParser.UUIDs.push(t),BoxParser.UUIDBoxes[t]=function(e){(i?BoxParser.FullBox:r?BoxParser.ContainerBox:BoxParser.Box).call(this,"uuid",e,t)},BoxParser.UUIDBoxes[t].prototype=new(i?BoxParser.FullBox:r?BoxParser.ContainerBox:BoxParser.Box),s&&(BoxParser.UUIDBoxes[t].prototype.parse=i?function(e){this.parseFullHeader(e),s&&s.call(this,e)}:s)}};BoxParser.initialize(),BoxParser.TKHD_FLAG_ENABLED=1,BoxParser.TKHD_FLAG_IN_MOVIE=2,BoxParser.TKHD_FLAG_IN_PREVIEW=4,BoxParser.TFHD_FLAG_BASE_DATA_OFFSET=1,BoxParser.TFHD_FLAG_SAMPLE_DESC=2,BoxParser.TFHD_FLAG_SAMPLE_DUR=8,BoxParser.TFHD_FLAG_SAMPLE_SIZE=16,BoxParser.TFHD_FLAG_SAMPLE_FLAGS=32,BoxParser.TFHD_FLAG_DUR_EMPTY=65536,BoxParser.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,BoxParser.TRUN_FLAGS_DATA_OFFSET=1,BoxParser.TRUN_FLAGS_FIRST_FLAG=4,BoxParser.TRUN_FLAGS_DURATION=256,BoxParser.TRUN_FLAGS_SIZE=512,BoxParser.TRUN_FLAGS_FLAGS=1024,BoxParser.TRUN_FLAGS_CTS_OFFSET=2048,BoxParser.Box.prototype.add=function(e){return this.addBox(new BoxParser[e+"Box"])},BoxParser.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},BoxParser.Box.prototype.set=function(e,t){return this[e]=t,this},BoxParser.Box.prototype.addEntry=function(e,t){t=t||"entries";return this[t]||(this[t]=[]),this[t].push(e),this},"undefined"!=typeof exports&&(exports.BoxParser=BoxParser),BoxParser.parseUUID=function(e){return BoxParser.parseHex16(e)},BoxParser.parseHex16=function(e){for(var t="",i=0;i<16;i++){var r=e.readUint8().toString(16);t+=1===r.length?"0"+r:r}return t},BoxParser.parseOneBox=function(e,t,i){var r,s,a=e.getPosition(),o=0;if(e.getEndPosition()-a<8)return Log.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA};if(i&&i<8)return Log.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA};var n=e.readUint32(),h=e.readString(4),d=h;if(Log.debug("BoxParser","Found box of type '"+h+"' and size "+n+" at position "+a),o=8,"uuid"==h){if(e.getEndPosition()-e.getPosition()<16||i-o<16)return e.seek(a),Log.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA};o+=16,d=s=BoxParser.parseUUID(e)}if(1==n){if(e.getEndPosition()-e.getPosition()<8||i&&i-o<8)return e.seek(a),Log.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+h+'" box'),{code:BoxParser.ERR_NOT_ENOUGH_DATA};n=e.readUint64(),o+=8}else if(0===n)if(i)n=i;else if("mdat"!==h)return Log.error("BoxParser","Unlimited box size not supported for type: '"+h+"'"),r=new BoxParser.Box(h,n),{code:BoxParser.OK,box:r,size:r.size};return n<o?(Log.error("BoxParser","Box of type "+h+" has an invalid size "+n+" (too small to be a box)"),{code:BoxParser.ERR_NOT_ENOUGH_DATA,type:h,size:n,hdr_size:o,start:a}):i&&i<n?(Log.error("BoxParser","Box of type '"+h+"' has a size "+n+" greater than its container size "+i),{code:BoxParser.ERR_NOT_ENOUGH_DATA,type:h,size:n,hdr_size:o,start:a}):a+n>e.getEndPosition()?(e.seek(a),Log.info("BoxParser","Not enough data in stream to parse the entire '"+h+"' box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA,type:h,size:n,hdr_size:o,start:a}):t?{code:BoxParser.OK,type:h,size:n,hdr_size:o,start:a}:(BoxParser[h+"Box"]?r=new BoxParser[h+"Box"](n):"uuid"!==h?(Log.warn("BoxParser","Unknown box type: '"+h+"'"),(r=new BoxParser.Box(h,n)).has_unparsed_data=!0):BoxParser.UUIDBoxes[s]?r=new BoxParser.UUIDBoxes[s](n):(Log.warn("BoxParser","Unknown uuid type: '"+s+"'"),(r=new BoxParser.Box(h,n)).uuid=s,r.has_unparsed_data=!0),r.hdr_size=o,r.start=a,r.write===BoxParser.Box.prototype.write&&"mdat"!==r.type&&(Log.info("BoxParser","'"+d+"' box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),(a=e.getPosition()-(r.start+r.size))<0?(Log.warn("BoxParser","Parsing of box '"+d+"' did not read the entire indicated box data size (missing "+-a+" bytes), seeking forward"),e.seek(r.start+r.size)):0<a&&(Log.error("BoxParser","Parsing of box '"+d+"' read "+a+" more bytes than the indicated box data size, seeking backwards"),e.seek(r.start+r.size)),{code:BoxParser.OK,box:r,size:r.size})},BoxParser.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},BoxParser.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},BoxParser.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},BoxParser.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},BoxParser.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},BoxParser.ContainerBox.prototype.parse=function(e){for(;e.getPosition()<this.start+this.size;){if((t=BoxParser.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==BoxParser.OK)return;var t,i=t.box;this.boxes.push(i),this.subBoxNames&&-1!=this.subBoxNames.indexOf(i.type)?this[this.subBoxNames[this.subBoxNames.indexOf(i.type)]+"s"].push(i):this[t="uuid"!==i.type?i.type:i.uuid]?Log.warn("Box of type "+t+" already stored in field of this type"):this[t]=i}},BoxParser.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();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)},BoxParser.createFullBoxCtor("emsg",function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)}),BoxParser.createBoxCtor("styp",function(e){BoxParser.ftypBox.prototype.parse.call(this,e)}),BoxParser.createBoxCtor("ftyp",function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var i=0;4<=t;)this.compatible_brands[i]=e.readString(4),t-=4,i++}),BoxParser.createFullBoxCtor("mdhd",function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.parseLanguage(e),e.readUint16()}),BoxParser.createFullBoxCtor("mfhd",function(e){this.sequence_number=e.readUint32()}),BoxParser.createFullBoxCtor("mvhd",function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.rate=e.readUint32(),this.volume=e.readUint16()>>8,e.readUint16(),e.readUint32Array(2),this.matrix=e.readUint32Array(9),e.readUint32Array(6),this.next_track_id=e.readUint32()}),BoxParser.createFullBoxCtor("sidx",function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),i=0;i<t;i++){var r={};this.references.push(r);var s=e.readUint32();r.reference_type=s>>31&1,r.referenced_size=2147483647&s,r.subsegment_duration=e.readUint32(),s=e.readUint32(),r.starts_with_SAP=s>>31&1,r.SAP_type=s>>28&7,r.SAP_delta_time=268435455&s}}),BoxParser.createFullBoxCtor("ssix",function(e){this.subsegments=[];for(var t=e.readUint32(),i=0;i<t;i++){var r={};this.subsegments.push(r),r.ranges=[];for(var s=e.readUint32(),a=0;a<s;a++){var o={};r.ranges.push(o),o.level=e.readUint8(),o.range_size=e.readUint24()}}}),BoxParser.createFullBoxCtor("tkhd",function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()}),BoxParser.createFullBoxCtor("tfhd",function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0}),BoxParser.createFullBoxCtor("tfdt",function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()}),BoxParser.createFullBoxCtor("trun",function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&BoxParser.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=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>t)for(var i=0;i<this.sample_count;i++)this.flags&BoxParser.TRUN_FLAGS_DURATION&&(this.sample_duration[i]=e.readUint32()),this.flags&BoxParser.TRUN_FLAGS_SIZE&&(this.sample_size[i]=e.readUint32()),this.flags&BoxParser.TRUN_FLAGS_FLAGS&&(this.sample_flags[i]=e.readUint32()),this.flags&BoxParser.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[i]=e.readUint32():this.sample_composition_time_offset[i]=e.readInt32())});var ISOFile=function(e){this.stream=e||new MultiBufferStream,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};ISOFile.prototype.setSegmentOptions=function(e,t,i){var r,s=this.getTrackById(e);s&&(r={},this.fragmentedTracks.push(r),r.id=e,r.user=t,(r.trak=s).nextSample=0,r.segmentStream=null,r.nb_samples=1e3,r.rapAlignement=!0,i&&(i.nbSamples&&(r.nb_samples=i.nbSamples),i.rapAlignement&&(r.rapAlignement=i.rapAlignement)))},ISOFile.prototype.unsetSegmentOptions=function(e){for(var t=-1,i=0;i<this.fragmentedTracks.length;i++)this.fragmentedTracks[i].id==e&&(t=i);-1<t&&this.fragmentedTracks.splice(t,1)},ISOFile.prototype.setExtractionOptions=function(e,t,i){var r,s=this.getTrackById(e);s&&(r={},this.extractedTracks.push(r),r.id=e,r.user=t,(r.trak=s).nextSample=0,r.nb_samples=1e3,r.samples=[],i&&i.nbSamples&&(r.nb_samples=i.nbSamples))},ISOFile.prototype.unsetExtractionOptions=function(e){for(var t=-1,i=0;i<this.extractedTracks.length;i++)this.extractedTracks[i].id==e&&(t=i);-1<t&&this.extractedTracks.splice(t,1)},ISOFile.prototype.parse=function(){var e;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(!this.processIncompleteMdat())return}else if(this.saveParsePosition&&this.saveParsePosition(),(e=BoxParser.parseOneBox(this.stream,!1)).code===BoxParser.ERR_NOT_ENOUGH_DATA){if(!this.processIncompleteBox)return;if(!this.processIncompleteBox(e))return}else{var t,i="uuid"!==(t=e.box).type?t.type:t.uuid;switch(this.boxes.push(t),i){case"mdat":this.mdats.push(t);break;case"moof":this.moofs.push(t);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[i]&&Log.warn("ISOFile","Duplicate Box of type: "+i+", overriding previous occurrence"),this[i]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},ISOFile.prototype.checkBuffer=function(e){if(null==e)throw"Buffer must be defined and non empty";if(void 0===e.fileStart)throw"Buffer must have a fileStart property";return 0===e.byteLength?(Log.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(Log.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(Log.warn("ISOFile","Not ready to start parsing"),!1))},ISOFile.prototype.appendBuffer=function(e,t){var i;if(this.checkBuffer(e))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(t),this.nextSeekPosition?(i=this.nextSeekPosition,this.nextSeekPosition=void 0):i=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(i=this.stream.getEndFilePositionAfter(i))):i=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&&(Log.info("ISOFile","Done processing buffer (fileStart: "+e.fileStart+") - next buffer to fetch should have a fileStart position of "+i),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),Log.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),i},ISOFile.prototype.getInfo=function(){var e,t,i,r,s,a={},o=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(a.hasMoov=!0,a.duration=this.moov.mvhd.duration,a.timescale=this.moov.mvhd.timescale,a.isFragmented=null!=this.moov.mvex,a.isFragmented&&this.moov.mvex.mehd&&(a.fragment_duration=this.moov.mvex.mehd.fragment_duration),a.isProgressive=this.isProgressive,a.hasIOD=null!=this.moov.iods,a.brands=[],a.brands.push(this.ftyp.major_brand),a.brands=a.brands.concat(this.ftyp.compatible_brands),a.created=new Date(o+1e3*this.moov.mvhd.creation_time),a.modified=new Date(o+1e3*this.moov.mvhd.modification_time),a.tracks=[],a.audioTracks=[],a.videoTracks=[],a.subtitleTracks=[],a.metadataTracks=[],a.hintTracks=[],a.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(s=(i=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],r={},a.tracks.push(r),r.id=i.tkhd.track_id,r.name=i.mdia.hdlr.name,r.references=[],i.tref)for(t=0;t<i.tref.boxes.length;t++)ref={},r.references.push(ref),ref.type=i.tref.boxes[t].type,ref.track_ids=i.tref.boxes[t].track_ids;i.edts&&(r.edits=i.edts.elst.entries),r.created=new Date(o+1e3*i.tkhd.creation_time),r.modified=new Date(o+1e3*i.tkhd.modification_time),r.movie_duration=i.tkhd.duration,r.movie_timescale=a.timescale,r.layer=i.tkhd.layer,r.alternate_group=i.tkhd.alternate_group,r.volume=i.tkhd.volume,r.matrix=i.tkhd.matrix,r.track_width=i.tkhd.width/65536,r.track_height=i.tkhd.height/65536,r.timescale=i.mdia.mdhd.timescale,r.cts_shift=i.mdia.minf.stbl.cslg,r.duration=i.mdia.mdhd.duration,r.samples_duration=i.samples_duration,r.codec=s.getCodec(),r.kind=i.udta&&i.udta.kinds.length?i.udta.kinds[0]:{schemeURI:"",value:""},r.language=i.mdia.elng?i.mdia.elng.extended_language:i.mdia.mdhd.languageString,r.nb_samples=i.samples.length,r.size=i.samples_size,r.bitrate=8*r.size*r.timescale/r.samples_duration,s.isAudio()?(r.type="audio",a.audioTracks.push(r),r.audio={},r.audio.sample_rate=s.getSampleRate(),r.audio.channel_count=s.getChannelCount(),r.audio.sample_size=s.getSampleSize()):s.isVideo()?(r.type="video",a.videoTracks.push(r),r.video={},r.video.width=s.getWidth(),r.video.height=s.getHeight()):s.isSubtitle()?(r.type="subtitles",a.subtitleTracks.push(r)):s.isHint()?(r.type="metadata",a.hintTracks.push(r)):s.isMetadata()?(r.type="metadata",a.metadataTracks.push(r)):(r.type="metadata",a.otherTracks.push(r))}else a.hasMoov=!1;if(a.mime="",a.hasMoov&&a.tracks){for(a.videoTracks&&0<a.videoTracks.length?a.mime+='video/mp4; codecs="':a.audioTracks&&0<a.audioTracks.length?a.mime+='audio/mp4; codecs="':a.mime+='application/mp4; codecs="',e=0;e<a.tracks.length;e++)0!==e&&(a.mime+=","),a.mime+=a.tracks[e].codec;a.mime+='"; profiles="',a.mime+=this.ftyp.compatible_brands.join(),a.mime+='"'}return a},ISOFile.prototype.processSamples=function(e){var t;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++)for(var i=this.fragmentedTracks[t],r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){Log.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var s=this.createFragment(i.id,r.nextSample,i.segmentStream);if(!s)break;if(i.segmentStream=s,r.nextSample++,(r.nextSample%i.nb_samples==0||e||r.nextSample>=r.samples.length)&&(Log.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),Log.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var a=this.extractedTracks[t];for(r=a.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){Log.debug("ISOFile","Exporting on track #"+a.id+" sample #"+r.nextSample);var o=this.getSample(r,r.nextSample);if(!o)break;if(r.nextSample++,a.samples.push(o),(r.nextSample%a.nb_samples==0||r.nextSample>=r.samples.length)&&(Log.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[t]))break}}}},ISOFile.prototype.getBox=function(e){e=this.getBoxes(e,!0);return e.length?e[0]:null},ISOFile.prototype.getBoxes=function(e,t){var i=[];return ISOFile._sweep.call(this,e,i,t),i},ISOFile._sweep=function(e,t,i){for(var r in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&i)return;ISOFile._sweep.call(this.boxes[r],e,t,i)}},ISOFile.prototype.getTrackSamplesInfo=function(e){e=this.getTrackById(e);if(e)return e.samples},ISOFile.prototype.getTrackSample=function(e,t){e=this.getTrackById(e);return this.getSample(e,t)},ISOFile.prototype.releaseUsedSamples=function(e,t){var i=0,r=this.getTrackById(e);r.lastValidSample||(r.lastValidSample=0);for(var s=r.lastValidSample;s<t;s++)i+=this.releaseSample(r,s);Log.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+i+", remaining: "+this.samplesDataSize+")"),r.lastValidSample=t},ISOFile.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},ISOFile.prototype.stop=function(){this.sampleProcessingStarted=!1},ISOFile.prototype.flush=function(){Log.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},ISOFile.prototype.seekTrack=function(e,t,i){var r,s,a,o,n=0,h=0;if(0===i.samples.length)return Log.info("ISOFile","No sample in track, cannot seek! Using time "+Log.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(r=0;r<i.samples.length;r++){if(s=i.samples[r],0===r)h=0,o=s.timescale;else if(s.cts>e*s.timescale){h=r-1;break}t&&s.is_sync&&(n=r)}for(t&&(h=n),e=i.samples[h].cts,i.nextSample=h;i.samples[h].alreadyRead===i.samples[h].size&&i.samples[h+1];)h++;return a=i.samples[h].offset+i.samples[h].alreadyRead,Log.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+i.nextSample+" on track "+i.tkhd.track_id+", time "+Log.getDurationString(e,o)+" and offset: "+a),{offset:a,time:e/o}},ISOFile.prototype.seek=function(e,t){var i,r,s=this.moov,a={offset:1/0,time:1/0};if(this.moov){for(r=0;r<s.traks.length;r++)i=s.traks[r],(i=this.seekTrack(e,t,i)).offset<a.offset&&(a.offset=i.offset),i.time<a.time&&(a.time=i.time);return Log.info("ISOFile","Seeking at time "+Log.getDurationString(a.time,1)+" needs a buffer with a fileStart position of "+a.offset),a.offset===1/0?a={offset:this.nextParsePosition,time:0}:a.offset=this.stream.getEndFilePositionAfter(a.offset),Log.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+a.offset),a}throw"Cannot seek: moov not received!"},ISOFile.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var i=this.boxes[t],r=e.boxes[t];if(!BoxParser.boxEqual(i,r))return!1;t++}return!0},"undefined"!=typeof exports&&(exports.ISOFile=ISOFile),BoxParser.Box.prototype.printHeader=function(e){this.size+=8,this.size>MAX_SIZE&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},BoxParser.FullBox.prototype.printHeader=function(e){this.size+=4,BoxParser.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},BoxParser.Box.prototype.print=function(e){this.printHeader(e)},BoxParser.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t,i=0;i<this.boxes.length;i++)this.boxes[i]&&(t=e.indent,e.indent+=" ",this.boxes[i].print(e),e.indent=t)},ISOFile.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},BoxParser.mvhdBox.prototype.print=function(e){BoxParser.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"rate: "+this.rate),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"next_track_id: "+this.next_track_id)},BoxParser.tkhdBox.prototype.print=function(e){BoxParser.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"track_id: "+this.track_id),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"layer: "+this.layer),e.log(e.indent+"alternate_group: "+this.alternate_group),e.log(e.indent+"width: "+this.width),e.log(e.indent+"height: "+this.height)};var MP4Box={createFile:function(e,t){e=void 0===e||e,t=new ISOFile(t);return t.discardMdatData=!e,t}};"undefined"!=typeof exports&&(exports.createFile=MP4Box.createFile); | ||
| var Log=console;Log.setLogLevel=function(e){};var MP4BoxStream=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};MP4BoxStream.prototype.getPosition=function(){return this.position},MP4BoxStream.prototype.getEndPosition=function(){return this.buffer.byteLength},MP4BoxStream.prototype.getLength=function(){return this.buffer.byteLength},MP4BoxStream.prototype.seek=function(e){e=Math.max(0,Math.min(this.buffer.byteLength,e));return this.position=isNaN(e)||!isFinite(e)?0:e,!0},MP4BoxStream.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},MP4BoxStream.prototype.readAnyInt=function(e,t){var i=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:i=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:i=t?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(t)throw"No method for reading signed 24 bits values";i=this.dataview.getUint8(this.position)<<16,i|=this.dataview.getUint8(this.position+1)<<8,i|=this.dataview.getUint8(this.position+2);break;case 4:i=t?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(t)throw"No method for reading signed 64 bits values";i=this.dataview.getUint32(this.position)<<32,i|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,i}throw"Not enough bytes in buffer"},MP4BoxStream.prototype.readUint8=function(){return this.readAnyInt(1,!1)},MP4BoxStream.prototype.readUint16=function(){return this.readAnyInt(2,!1)},MP4BoxStream.prototype.readUint24=function(){return this.readAnyInt(3,!1)},MP4BoxStream.prototype.readUint32=function(){return this.readAnyInt(4,!1)},MP4BoxStream.prototype.readUint64=function(){return this.readAnyInt(8,!1)},MP4BoxStream.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",i=0;i<e;i++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},MP4BoxStream.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},MP4BoxStream.prototype.readInt8=function(){return this.readAnyInt(1,!0)},MP4BoxStream.prototype.readInt16=function(){return this.readAnyInt(2,!0)},MP4BoxStream.prototype.readInt32=function(){return this.readAnyInt(4,!0)},MP4BoxStream.prototype.readInt64=function(){return this.readAnyInt(8,!1)},MP4BoxStream.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),i=0;i<e;i++)t[i]=this.readUint8();return t},MP4BoxStream.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),i=0;i<e;i++)t[i]=this.readInt16();return t},MP4BoxStream.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),i=0;i<e;i++)t[i]=this.readUint16();return t},MP4BoxStream.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),i=0;i<e;i++)t[i]=this.readUint32();return t},MP4BoxStream.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),i=0;i<e;i++)t[i]=this.readInt32();return t},"undefined"!=typeof exports&&(exports.MP4BoxStream=MP4BoxStream);var BoxParser={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"]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){BoxParser.FullBox.prototype=new BoxParser.Box,BoxParser.ContainerBox.prototype=new BoxParser.Box,BoxParser.SampleEntry.prototype=new BoxParser.Box,BoxParser.TrackGroupTypeBox.prototype=new BoxParser.FullBox,BoxParser.BASIC_BOXES.forEach(function(e){BoxParser.createBoxCtor(e)}),BoxParser.FULL_BOXES.forEach(function(e){BoxParser.createFullBoxCtor(e)}),BoxParser.CONTAINER_BOXES.forEach(function(e){BoxParser.createContainerBoxCtor(e[0],null,e[1])})},Box:function(e,t,i){this.type=e,this.size=t,this.uuid=i},FullBox:function(e,t,i){BoxParser.Box.call(this,e,t,i),this.flags=0,this.version=0},ContainerBox:function(e,t,i){BoxParser.Box.call(this,e,t,i),this.boxes=[]},SampleEntry:function(e,t,i,r){BoxParser.ContainerBox.call(this,e,t),this.hdr_size=i,this.start=r},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){BoxParser.FullBox.call(this,e,t)},createBoxCtor:function(t,e){BoxParser.boxCodes.push(t),BoxParser[t+"Box"]=function(e){BoxParser.Box.call(this,t,e)},BoxParser[t+"Box"].prototype=new BoxParser.Box,e&&(BoxParser[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,i){BoxParser[t+"Box"]=function(e){BoxParser.FullBox.call(this,t,e)},BoxParser[t+"Box"].prototype=new BoxParser.FullBox,BoxParser[t+"Box"].prototype.parse=function(e){this.parseFullHeader(e),i&&i.call(this,e)}},addSubBoxArrays:function(e){if(e)for(var t=(this.subBoxNames=e).length,i=0;i<t;i++)this[e[i]+"s"]=[]},createContainerBoxCtor:function(t,e,i){BoxParser[t+"Box"]=function(e){BoxParser.ContainerBox.call(this,t,e),BoxParser.addSubBoxArrays.call(this,i)},BoxParser[t+"Box"].prototype=new BoxParser.ContainerBox,e&&(BoxParser[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(e,t,i){BoxParser.sampleEntryCodes[e]=[],BoxParser[e+"SampleEntry"]=function(e,t){BoxParser.SampleEntry.call(this,e,t),BoxParser.addSubBoxArrays.call(this,i)},BoxParser[e+"SampleEntry"].prototype=new BoxParser.SampleEntry,t&&(BoxParser[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(t,i,e,r){BoxParser.sampleEntryCodes[t].push(i),BoxParser[i+"SampleEntry"]=function(e){BoxParser[t+"SampleEntry"].call(this,i,e),BoxParser.addSubBoxArrays.call(this,r)},BoxParser[i+"SampleEntry"].prototype=new BoxParser[t+"SampleEntry"],e&&(BoxParser[i+"SampleEntry"].prototype.parse=e)},createEncryptedSampleEntryCtor:function(e,t,i){BoxParser.createSampleEntryCtor.call(this,e,t,i,["sinf"])},createSampleGroupCtor:function(t,e){BoxParser[t+"SampleGroupEntry"]=function(e){BoxParser.SampleGroupEntry.call(this,t,e)},BoxParser[t+"SampleGroupEntry"].prototype=new BoxParser.SampleGroupEntry,e&&(BoxParser[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){BoxParser[t+"TrackGroupTypeBox"]=function(e){BoxParser.TrackGroupTypeBox.call(this,t,e)},BoxParser[t+"TrackGroupTypeBox"].prototype=new BoxParser.TrackGroupTypeBox,e&&(BoxParser[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,i,r,s){BoxParser.UUIDs.push(t),BoxParser.UUIDBoxes[t]=function(e){(i?BoxParser.FullBox:r?BoxParser.ContainerBox:BoxParser.Box).call(this,"uuid",e,t)},BoxParser.UUIDBoxes[t].prototype=new(i?BoxParser.FullBox:r?BoxParser.ContainerBox:BoxParser.Box),s&&(BoxParser.UUIDBoxes[t].prototype.parse=i?function(e){this.parseFullHeader(e),s&&s.call(this,e)}:s)}};BoxParser.initialize(),BoxParser.TKHD_FLAG_ENABLED=1,BoxParser.TKHD_FLAG_IN_MOVIE=2,BoxParser.TKHD_FLAG_IN_PREVIEW=4,BoxParser.TFHD_FLAG_BASE_DATA_OFFSET=1,BoxParser.TFHD_FLAG_SAMPLE_DESC=2,BoxParser.TFHD_FLAG_SAMPLE_DUR=8,BoxParser.TFHD_FLAG_SAMPLE_SIZE=16,BoxParser.TFHD_FLAG_SAMPLE_FLAGS=32,BoxParser.TFHD_FLAG_DUR_EMPTY=65536,BoxParser.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,BoxParser.TRUN_FLAGS_DATA_OFFSET=1,BoxParser.TRUN_FLAGS_FIRST_FLAG=4,BoxParser.TRUN_FLAGS_DURATION=256,BoxParser.TRUN_FLAGS_SIZE=512,BoxParser.TRUN_FLAGS_FLAGS=1024,BoxParser.TRUN_FLAGS_CTS_OFFSET=2048,BoxParser.Box.prototype.add=function(e){return this.addBox(new BoxParser[e+"Box"])},BoxParser.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},BoxParser.Box.prototype.set=function(e,t){return this[e]=t,this},BoxParser.Box.prototype.addEntry=function(e,t){t=t||"entries";return this[t]||(this[t]=[]),this[t].push(e),this},"undefined"!=typeof exports&&(exports.BoxParser=BoxParser),BoxParser.parseUUID=function(e){return BoxParser.parseHex16(e)},BoxParser.parseHex16=function(e){for(var t="",i=0;i<16;i++){var r=e.readUint8().toString(16);t+=1===r.length?"0"+r:r}return t},BoxParser.parseOneBox=function(e,t,i){var r,s,a=e.getPosition(),o=0;if(e.getEndPosition()-a<8)return Log.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA};if(i&&i<8)return Log.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA};var n=e.readUint32(),h=e.readString(4),d=h;if(Log.debug("BoxParser","Found box of type '"+h+"' and size "+n+" at position "+a),o=8,"uuid"==h){if(e.getEndPosition()-e.getPosition()<16||i-o<16)return e.seek(a),Log.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA};o+=16,d=s=BoxParser.parseUUID(e)}if(1==n){if(e.getEndPosition()-e.getPosition()<8||i&&i-o<8)return e.seek(a),Log.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+h+'" box'),{code:BoxParser.ERR_NOT_ENOUGH_DATA};n=e.readUint64(),o+=8}else if(0===n)if(i)n=i;else if("mdat"!==h)return Log.error("BoxParser","Unlimited box size not supported for type: '"+h+"'"),r=new BoxParser.Box(h,n),{code:BoxParser.OK,box:r,size:r.size};return 0!==n&&n<o?(Log.error("BoxParser","Box of type "+h+" has an invalid size "+n+" (too small to be a box)"),{code:BoxParser.ERR_NOT_ENOUGH_DATA,type:h,size:n,hdr_size:o,start:a}):0!==n&&i&&i<n?(Log.error("BoxParser","Box of type '"+h+"' has a size "+n+" greater than its container size "+i),{code:BoxParser.ERR_NOT_ENOUGH_DATA,type:h,size:n,hdr_size:o,start:a}):0!==n&&a+n>e.getEndPosition()?(e.seek(a),Log.info("BoxParser","Not enough data in stream to parse the entire '"+h+"' box"),{code:BoxParser.ERR_NOT_ENOUGH_DATA,type:h,size:n,hdr_size:o,start:a}):t?{code:BoxParser.OK,type:h,size:n,hdr_size:o,start:a}:(BoxParser[h+"Box"]?r=new BoxParser[h+"Box"](n):"uuid"!==h?(Log.warn("BoxParser","Unknown box type: '"+h+"'"),(r=new BoxParser.Box(h,n)).has_unparsed_data=!0):BoxParser.UUIDBoxes[s]?r=new BoxParser.UUIDBoxes[s](n):(Log.warn("BoxParser","Unknown uuid type: '"+s+"'"),(r=new BoxParser.Box(h,n)).uuid=s,r.has_unparsed_data=!0),r.hdr_size=o,r.start=a,r.write===BoxParser.Box.prototype.write&&"mdat"!==r.type&&(Log.info("BoxParser","'"+d+"' box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),(a=e.getPosition()-(r.start+r.size))<0?(Log.warn("BoxParser","Parsing of box '"+d+"' did not read the entire indicated box data size (missing "+-a+" bytes), seeking forward"),e.seek(r.start+r.size)):0<a&&(Log.error("BoxParser","Parsing of box '"+d+"' read "+a+" more bytes than the indicated box data size, seeking backwards"),0!==r.size&&e.seek(r.start+r.size)),{code:BoxParser.OK,box:r,size:r.size})},BoxParser.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},BoxParser.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},BoxParser.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},BoxParser.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},BoxParser.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},BoxParser.ContainerBox.prototype.parse=function(e){for(;e.getPosition()<this.start+this.size;){if((t=BoxParser.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==BoxParser.OK)return;var t,i=t.box;this.boxes.push(i),this.subBoxNames&&-1!=this.subBoxNames.indexOf(i.type)?this[this.subBoxNames[this.subBoxNames.indexOf(i.type)]+"s"].push(i):this[t="uuid"!==i.type?i.type:i.uuid]?Log.warn("Box of type "+t+" already stored in field of this type"):this[t]=i}},BoxParser.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();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)},BoxParser.createFullBoxCtor("emsg",function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)}),BoxParser.createBoxCtor("styp",function(e){BoxParser.ftypBox.prototype.parse.call(this,e)}),BoxParser.createBoxCtor("ftyp",function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var i=0;4<=t;)this.compatible_brands[i]=e.readString(4),t-=4,i++}),BoxParser.createFullBoxCtor("mdhd",function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.parseLanguage(e),e.readUint16()}),BoxParser.createFullBoxCtor("mfhd",function(e){this.sequence_number=e.readUint32()}),BoxParser.createFullBoxCtor("mvhd",function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.rate=e.readUint32(),this.volume=e.readUint16()>>8,e.readUint16(),e.readUint32Array(2),this.matrix=e.readUint32Array(9),e.readUint32Array(6),this.next_track_id=e.readUint32()}),BoxParser.createFullBoxCtor("sidx",function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),i=0;i<t;i++){var r={};this.references.push(r);var s=e.readUint32();r.reference_type=s>>31&1,r.referenced_size=2147483647&s,r.subsegment_duration=e.readUint32(),s=e.readUint32(),r.starts_with_SAP=s>>31&1,r.SAP_type=s>>28&7,r.SAP_delta_time=268435455&s}}),BoxParser.createFullBoxCtor("ssix",function(e){this.subsegments=[];for(var t=e.readUint32(),i=0;i<t;i++){var r={};this.subsegments.push(r),r.ranges=[];for(var s=e.readUint32(),a=0;a<s;a++){var o={};r.ranges.push(o),o.level=e.readUint8(),o.range_size=e.readUint24()}}}),BoxParser.createFullBoxCtor("tkhd",function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()}),BoxParser.createFullBoxCtor("tfhd",function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0}),BoxParser.createFullBoxCtor("tfdt",function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()}),BoxParser.createFullBoxCtor("trun",function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&BoxParser.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&BoxParser.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=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>t)for(var i=0;i<this.sample_count;i++)this.flags&BoxParser.TRUN_FLAGS_DURATION&&(this.sample_duration[i]=e.readUint32()),this.flags&BoxParser.TRUN_FLAGS_SIZE&&(this.sample_size[i]=e.readUint32()),this.flags&BoxParser.TRUN_FLAGS_FLAGS&&(this.sample_flags[i]=e.readUint32()),this.flags&BoxParser.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[i]=e.readUint32():this.sample_composition_time_offset[i]=e.readInt32())});var ISOFile=function(e){this.stream=e||new MultiBufferStream,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};ISOFile.prototype.setSegmentOptions=function(e,t,i){var r,s=this.getTrackById(e);s&&(r={},this.fragmentedTracks.push(r),r.id=e,r.user=t,(r.trak=s).nextSample=0,r.segmentStream=null,r.nb_samples=1e3,r.rapAlignement=!0,i&&(i.nbSamples&&(r.nb_samples=i.nbSamples),i.rapAlignement&&(r.rapAlignement=i.rapAlignement)))},ISOFile.prototype.unsetSegmentOptions=function(e){for(var t=-1,i=0;i<this.fragmentedTracks.length;i++)this.fragmentedTracks[i].id==e&&(t=i);-1<t&&this.fragmentedTracks.splice(t,1)},ISOFile.prototype.setExtractionOptions=function(e,t,i){var r,s=this.getTrackById(e);s&&(r={},this.extractedTracks.push(r),r.id=e,r.user=t,(r.trak=s).nextSample=0,r.nb_samples=1e3,r.samples=[],i&&i.nbSamples&&(r.nb_samples=i.nbSamples))},ISOFile.prototype.unsetExtractionOptions=function(e){for(var t=-1,i=0;i<this.extractedTracks.length;i++)this.extractedTracks[i].id==e&&(t=i);-1<t&&this.extractedTracks.splice(t,1)},ISOFile.prototype.parse=function(){var e;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;)if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(!this.processIncompleteMdat())return}else if(this.saveParsePosition&&this.saveParsePosition(),(e=BoxParser.parseOneBox(this.stream,!1)).code===BoxParser.ERR_NOT_ENOUGH_DATA){if(!this.processIncompleteBox)return;if(!this.processIncompleteBox(e))return}else{var t,i="uuid"!==(t=e.box).type?t.type:t.uuid;switch(this.boxes.push(t),i){case"mdat":this.mdats.push(t);break;case"moof":this.moofs.push(t);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[i]&&Log.warn("ISOFile","Duplicate Box of type: "+i+", overriding previous occurrence"),this[i]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},ISOFile.prototype.checkBuffer=function(e){if(null==e)throw"Buffer must be defined and non empty";if(void 0===e.fileStart)throw"Buffer must have a fileStart property";return 0===e.byteLength?(Log.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(Log.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(Log.warn("ISOFile","Not ready to start parsing"),!1))},ISOFile.prototype.appendBuffer=function(e,t){var i;if(this.checkBuffer(e))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(t),this.nextSeekPosition?(i=this.nextSeekPosition,this.nextSeekPosition=void 0):i=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(i=this.stream.getEndFilePositionAfter(i))):i=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&&(Log.info("ISOFile","Done processing buffer (fileStart: "+e.fileStart+") - next buffer to fetch should have a fileStart position of "+i),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),Log.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),i},ISOFile.prototype.getInfo=function(){var e,t,i,r,s,a,o={},n=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(n+1e3*this.moov.mvhd.creation_time),o.modified=new Date(n+1e3*this.moov.mvhd.modification_time),o.tracks=[],o.audioTracks=[],o.videoTracks=[],o.subtitleTracks=[],o.metadataTracks=[],o.hintTracks=[],o.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(a=(i=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],r={},o.tracks.push(r),r.id=i.tkhd.track_id,r.name=i.mdia.hdlr.name,r.references=[],i.tref)for(t=0;t<i.tref.boxes.length;t++)s={},r.references.push(s),s.type=i.tref.boxes[t].type,s.track_ids=i.tref.boxes[t].track_ids;i.edts&&(r.edits=i.edts.elst.entries),r.created=new Date(n+1e3*i.tkhd.creation_time),r.modified=new Date(n+1e3*i.tkhd.modification_time),r.movie_duration=i.tkhd.duration,r.movie_timescale=o.timescale,r.layer=i.tkhd.layer,r.alternate_group=i.tkhd.alternate_group,r.volume=i.tkhd.volume,r.matrix=i.tkhd.matrix,r.track_width=i.tkhd.width/65536,r.track_height=i.tkhd.height/65536,r.timescale=i.mdia.mdhd.timescale,r.cts_shift=i.mdia.minf.stbl.cslg,r.duration=i.mdia.mdhd.duration,r.samples_duration=i.samples_duration,r.codec=a.getCodec(),r.kind=i.udta&&i.udta.kinds.length?i.udta.kinds[0]:{schemeURI:"",value:""},r.language=i.mdia.elng?i.mdia.elng.extended_language:i.mdia.mdhd.languageString,r.nb_samples=i.samples.length,r.size=i.samples_size,r.bitrate=8*r.size*r.timescale/r.samples_duration,a.isAudio()?(r.type="audio",o.audioTracks.push(r),r.audio={},r.audio.sample_rate=a.getSampleRate(),r.audio.channel_count=a.getChannelCount(),r.audio.sample_size=a.getSampleSize()):a.isVideo()?(r.type="video",o.videoTracks.push(r),r.video={},r.video.width=a.getWidth(),r.video.height=a.getHeight()):a.isSubtitle()?(r.type="subtitles",o.subtitleTracks.push(r)):a.isHint()?(r.type="metadata",o.hintTracks.push(r)):a.isMetadata()?(r.type="metadata",o.metadataTracks.push(r)):(r.type="metadata",o.otherTracks.push(r))}else o.hasMoov=!1;if(o.mime="",o.hasMoov&&o.tracks){for(o.videoTracks&&0<o.videoTracks.length?o.mime+='video/mp4; codecs="':o.audioTracks&&0<o.audioTracks.length?o.mime+='audio/mp4; codecs="':o.mime+='application/mp4; codecs="',e=0;e<o.tracks.length;e++)0!==e&&(o.mime+=","),o.mime+=o.tracks[e].codec;o.mime+='"; profiles="',o.mime+=this.ftyp.compatible_brands.join(),o.mime+='"'}return o},ISOFile.prototype.processSamples=function(e){var t;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++)for(var i=this.fragmentedTracks[t],r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){Log.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var s=this.createFragment(i.id,r.nextSample,i.segmentStream);if(!s)break;if(i.segmentStream=s,r.nextSample++,(r.nextSample%i.nb_samples==0||e||r.nextSample>=r.samples.length)&&(Log.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),Log.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var a=this.extractedTracks[t];for(r=a.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){Log.debug("ISOFile","Exporting on track #"+a.id+" sample #"+r.nextSample);var o=this.getSample(r,r.nextSample);if(!o)break;if(r.nextSample++,a.samples.push(o),(r.nextSample%a.nb_samples==0||r.nextSample>=r.samples.length)&&(Log.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[t]))break}}}},ISOFile.prototype.getBox=function(e){e=this.getBoxes(e,!0);return e.length?e[0]:null},ISOFile.prototype.getBoxes=function(e,t){var i=[];return ISOFile._sweep.call(this,e,i,t),i},ISOFile._sweep=function(e,t,i){for(var r in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&i)return;ISOFile._sweep.call(this.boxes[r],e,t,i)}},ISOFile.prototype.getTrackSamplesInfo=function(e){e=this.getTrackById(e);if(e)return e.samples},ISOFile.prototype.getTrackSample=function(e,t){e=this.getTrackById(e);return this.getSample(e,t)},ISOFile.prototype.releaseUsedSamples=function(e,t){var i=0,r=this.getTrackById(e);r.lastValidSample||(r.lastValidSample=0);for(var s=r.lastValidSample;s<t;s++)i+=this.releaseSample(r,s);Log.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+i+", remaining: "+this.samplesDataSize+")"),r.lastValidSample=t},ISOFile.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},ISOFile.prototype.stop=function(){this.sampleProcessingStarted=!1},ISOFile.prototype.flush=function(){Log.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},ISOFile.prototype.seekTrack=function(e,t,i){var r,s,a,o,n=0,h=0;if(0===i.samples.length)return Log.info("ISOFile","No sample in track, cannot seek! Using time "+Log.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(r=0;r<i.samples.length;r++){if(s=i.samples[r],0===r)h=0,o=s.timescale;else if(s.cts>e*s.timescale){h=r-1;break}t&&s.is_sync&&(n=r)}for(t&&(h=n),e=i.samples[h].cts,i.nextSample=h;i.samples[h].alreadyRead===i.samples[h].size&&i.samples[h+1];)h++;return a=i.samples[h].offset+i.samples[h].alreadyRead,Log.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+i.nextSample+" on track "+i.tkhd.track_id+", time "+Log.getDurationString(e,o)+" and offset: "+a),{offset:a,time:e/o}},ISOFile.prototype.seek=function(e,t){var i,r,s=this.moov,a={offset:1/0,time:1/0};if(this.moov){for(r=0;r<s.traks.length;r++)i=s.traks[r],(i=this.seekTrack(e,t,i)).offset<a.offset&&(a.offset=i.offset),i.time<a.time&&(a.time=i.time);return Log.info("ISOFile","Seeking at time "+Log.getDurationString(a.time,1)+" needs a buffer with a fileStart position of "+a.offset),a.offset===1/0?a={offset:this.nextParsePosition,time:0}:a.offset=this.stream.getEndFilePositionAfter(a.offset),Log.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+a.offset),a}throw"Cannot seek: moov not received!"},ISOFile.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var i=this.boxes[t],r=e.boxes[t];if(!BoxParser.boxEqual(i,r))return!1;t++}return!0},"undefined"!=typeof exports&&(exports.ISOFile=ISOFile),BoxParser.Box.prototype.printHeader=function(e){this.size+=8,this.size>MAX_SIZE&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},BoxParser.FullBox.prototype.printHeader=function(e){this.size+=4,BoxParser.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},BoxParser.Box.prototype.print=function(e){this.printHeader(e)},BoxParser.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t,i=0;i<this.boxes.length;i++)this.boxes[i]&&(t=e.indent,e.indent+=" ",this.boxes[i].print(e),e.indent=t)},ISOFile.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},BoxParser.mvhdBox.prototype.print=function(e){BoxParser.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"rate: "+this.rate),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"next_track_id: "+this.next_track_id)},BoxParser.tkhdBox.prototype.print=function(e){BoxParser.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"track_id: "+this.track_id),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"layer: "+this.layer),e.log(e.indent+"alternate_group: "+this.alternate_group),e.log(e.indent+"width: "+this.width),e.log(e.indent+"height: "+this.height)};var MP4Box={createFile:function(e,t){e=void 0===e||e,t=new ISOFile(t);return t.discardMdatData=!e,t}};"undefined"!=typeof exports&&(exports.createFile=MP4Box.createFile); | ||
| //# sourceMappingURL=mp4box.simple.min.js.map |
| { | ||
| "name": "mp4box", | ||
| "version": "0.4.9", | ||
| "version": "0.5.1", | ||
| "description": "JavaScript version of GPAC's MP4Box tool", | ||
@@ -38,3 +38,3 @@ "keywords": [ | ||
| "grunt-karma-coveralls": "^2.5.4", | ||
| "karma": "^4.1.0", | ||
| "karma": "^6.3.16", | ||
| "karma-chrome-launcher": "^2.2.0", | ||
@@ -41,0 +41,0 @@ "karma-coverage": "^1.1.2", |
@@ -223,3 +223,3 @@ MP4Box.js | ||
| - **sampleNumber**: Number, sample number of the last sample in the segment, plus 1. | ||
| - **buffer**: Boolean, indication if this is the last segment to be received. | ||
| - **last**: Boolean, indication if this is the last segment to be received. | ||
@@ -226,0 +226,0 @@ ```json |
@@ -156,2 +156,63 @@ BoxParser.SampleEntry.prototype.isVideo = function() { | ||
| BoxParser.vvc1SampleEntry.prototype.getCodec = | ||
| BoxParser.vvi1SampleEntry.prototype.getCodec = function () { | ||
| var i; | ||
| var baseCodec = BoxParser.SampleEntry.prototype.getCodec.call(this); | ||
| if (this.vvcC) { | ||
| baseCodec += '.' + this.vvcC.general_profile_idc; | ||
| if (this.vvcC.general_tier_flag) { | ||
| baseCodec += '.H'; | ||
| } else { | ||
| baseCodec += '.L'; | ||
| } | ||
| baseCodec += this.vvcC.general_level_idc; | ||
| var constraint_string = ""; | ||
| if (this.vvcC.general_constraint_info) { | ||
| var bytes = []; | ||
| var byte = 0; | ||
| byte |= this.vvcC.ptl_frame_only_constraint << 7; | ||
| byte |= this.vvcC.ptl_multilayer_enabled << 6; | ||
| var last_nonzero; | ||
| for (i = 0; i < this.vvcC.general_constraint_info.length; ++i) { | ||
| byte |= (this.vvcC.general_constraint_info[i] >> 2) & 0x3f; | ||
| bytes.push(byte); | ||
| if (byte) { | ||
| last_nonzero = i; | ||
| } | ||
| byte = (this.vvcC.general_constraint_info[i] >> 2) & 0x03; | ||
| } | ||
| if (last_nonzero === undefined) { | ||
| constraint_string = ".CA"; | ||
| } | ||
| else { | ||
| constraint_string = ".C" | ||
| var base32_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"; | ||
| var held_bits = 0; | ||
| var num_held_bits = 0; | ||
| for (i = 0; i <= last_nonzero; ++i) { | ||
| held_bits = (held_bits << 8) | bytes[i]; | ||
| num_held_bits += 8; | ||
| while (num_held_bits >= 5) { | ||
| var val = (held_bits >> (num_held_bits - 5)) & 0x1f; | ||
| constraint_string += base32_chars[val]; | ||
| num_held_bits -= 5; | ||
| held_bits &= (1 << num_held_bits) - 1; | ||
| } | ||
| } | ||
| if (num_held_bits) { | ||
| held_bits <<= (5 - num_held_bits); // right-pad with zeros to 5 bits (is this correct?) | ||
| constraint_string += base32_chars[held_bits & 0x1f]; | ||
| } | ||
| } | ||
| } | ||
| baseCodec += constraint_string; | ||
| } | ||
| return baseCodec; | ||
| } | ||
| BoxParser.mp4aSampleEntry.prototype.getCodec = function() { | ||
@@ -177,4 +238,22 @@ var baseCodec = BoxParser.SampleEntry.prototype.getCodec.call(this); | ||
| BoxParser.vp08SampleEntry.prototype.getCodec = | ||
| BoxParser.vp09SampleEntry.prototype.getCodec = function() { | ||
| var baseCodec = BoxParser.SampleEntry.prototype.getCodec.call(this); | ||
| var level = this.vpcC.level; | ||
| if (level == 0) { | ||
| level = "00"; | ||
| } | ||
| var bitDepth = this.vpcC.bitDepth; | ||
| if (bitDepth == 8) { | ||
| bitDepth = "08"; | ||
| } | ||
| return baseCodec + ".0" + this.vpcC.profile + "." + level + "." + bitDepth; | ||
| } | ||
| BoxParser.av01SampleEntry.prototype.getCodec = function() { | ||
| var baseCodec = BoxParser.SampleEntry.prototype.getCodec.call(this); | ||
| var level = this.av1C.seq_level_idx_0; | ||
| if (level < 10) { | ||
| level = "0" + level; | ||
| } | ||
| var bitdepth; | ||
@@ -187,5 +266,3 @@ if (this.av1C.seq_profile === 2 && this.av1C.high_bitdepth === 1) { | ||
| // TODO need to parse the SH to find color config | ||
| return baseCodec+"."+this.av1C.seq_profile+"."+this.av1C.seq_level_idx_0+(this.av1C.seq_tier_0?"H":"M")+"."+bitdepth;//+"."+this.av1C.monochrome+"."+this.av1C.chroma_subsampling_x+""+this.av1C.chroma_subsampling_y+""+this.av1C.chroma_sample_position; | ||
| return baseCodec+"."+this.av1C.seq_profile+"."+level+(this.av1C.seq_tier_0?"H":"M")+"."+bitdepth;//+"."+this.av1C.monochrome+"."+this.av1C.chroma_subsampling_x+""+this.av1C.chroma_subsampling_y+""+this.av1C.chroma_sample_position; | ||
| } | ||
@@ -68,11 +68,11 @@ /* | ||
| } | ||
| if (size < hdr_size) { | ||
| if (size !== 0 && size < hdr_size) { | ||
| Log.error("BoxParser", "Box of type "+type+" has an invalid size "+size+" (too small to be a box)"); | ||
| return { code: BoxParser.ERR_NOT_ENOUGH_DATA, type: type, size: size, hdr_size: hdr_size, start: start }; | ||
| } | ||
| if (parentSize && size > parentSize) { | ||
| if (size !== 0 && parentSize && size > parentSize) { | ||
| Log.error("BoxParser", "Box of type '"+type+"' has a size "+size+" greater than its container size "+parentSize); | ||
| return { code: BoxParser.ERR_NOT_ENOUGH_DATA, type: type, size: size, hdr_size: hdr_size, start: start }; | ||
| } | ||
| if (start + size > stream.getEndPosition()) { | ||
| if (size !== 0 && start + size > stream.getEndPosition()) { | ||
| stream.seek(start); | ||
@@ -118,3 +118,3 @@ Log.info("BoxParser", "Not enough data in stream to parse the entire '"+type+"' box"); | ||
| Log.error("BoxParser", "Parsing of box '"+box_type+"' read "+diff+" more bytes than the indicated box data size, seeking backwards"); | ||
| stream.seek(box.start+box.size); | ||
| if (box.size !== 0) stream.seek(box.start+box.size); | ||
| } | ||
@@ -121,0 +121,0 @@ return { code: BoxParser.OK, box: box, size: box.size }; |
@@ -46,4 +46,4 @@ ISOFile.prototype.add = BoxParser.Box.prototype.add; | ||
| .set("matrix", [ 0, 0, 0, 0, 0, 0, 0, 0, 0 ]) | ||
| .set("width", options.width) | ||
| .set("height", options.height); | ||
| .set("width", options.width << 16) | ||
| .set("height", options.height << 16); | ||
@@ -212,3 +212,3 @@ var mdia = trak.add("mdia"); | ||
| .set("flags", BoxParser.TFHD_FLAG_DEFAULT_BASE_IS_MOOF); | ||
| traf.add("tfdt").set("baseMediaDecodeTime", (sample.dts - trak.first_dts)); | ||
| traf.add("tfdt").set("baseMediaDecodeTime", (sample.dts - (trak.first_dts || 0))); | ||
| traf.add("trun").set("flags", BoxParser.TRUN_FLAGS_DATA_OFFSET | BoxParser.TRUN_FLAGS_DURATION | | ||
@@ -215,0 +215,0 @@ BoxParser.TRUN_FLAGS_SIZE | BoxParser.TRUN_FLAGS_FLAGS | |
@@ -302,2 +302,3 @@ /* | ||
| var track; | ||
| var ref; | ||
| var sample_desc; | ||
@@ -304,0 +305,0 @@ var _1904 = (new Date('1904-01-01T00:00:00Z').getTime()); |
@@ -82,5 +82,12 @@ BoxParser.SAMPLE_ENTRY_TYPE_VISUAL = "Visual"; | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "hev1"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "vvc1"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "vvi1"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "vvs1"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "vvcN"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "vp08"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_VISUAL, "vp09"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_AUDIO, "mp4a"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_AUDIO, "ac-3"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_AUDIO, "ec-3"); | ||
| BoxParser.createSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_AUDIO, "Opus"); | ||
@@ -94,3 +101,1 @@ // Encrypted sample entries | ||
| BoxParser.createEncryptedSampleEntryCtor(BoxParser.SAMPLE_ENTRY_TYPE_METADATA, "encm"); | ||
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New alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Fixed alerts
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LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by2.78%
995126
- Number of package files
- increased by1.76%
231
- Lines of code
- increased by2.67%
17699
No dependency changes