媒体分析工具
AVCC解析，包括SPS/PPS
HVCC解析，包括VPS/SPS/PPS
包括以下box解析
- ftyp
- mvhd
- tkhd
- moov|trak|tref|hint|font|vdep|vplx|subt|trgr|msrc|mdia|minf|udta|edts|iprp|ipco|moof|traf|mvex|hoov
- meta
- mdhd
- hdlr
- elng
- stbl
- stsd
- mp4a|ipcm|fpcm
- avc1|avc2
- avcC
- elst
- stts
- stss
- ctts
- stsh
- stco
- co64
- stsc
- stsz
- pitm
- iloc
- iinf
- infe
- iref
- thmb|dimg|cdsc|auxl
- ipma
- sidx
- tfhd
- trun
- trex
- tfdt
- mfhd
- hvc1|hev1
- hvcC
- ispe
- mfhd
MP4 Box Dump JSON
[{
"root": {
"size": 87944366,
"pos": 0,
"children": [{
"ftyp": {
"size": 32,
"pos": 0,
"major_brand(32bits)": "isom",
"minor_version(32bits)": 512,
"compatible_brands(128bits)": "isomiso2avc1mp41"
}
}, {
"free": {
"size": 8,
"pos": 32
}
}, {
"mdat": {
"size": 87344246,
"pos": 40
}
}, {
"moov": {
"size": 600080,
"pos": 87344286,
"children": [{
"mvhd": {
"size": 108,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 0,
"creation_time(32bits)": 0,
"modification_time(32bits)": 0,
"timescale(32bits)": 1000,
"duration(32bits)": 629656,
"rate(32bits)": 65536,
"volume(16bits)": 256,
"reserved(16bits)": 0,
"reserved(64bits)": 0,
"matrix(288bits)": "0x00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 00 ",
"pre_defined(192bits)": "0x00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ",
"next_track_ID(32bits)": 3
}
}, {
"trak": {
"size": 382364,
"pos": 116,
"children": [{
"tkhd": {
"size": 92,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 3,
"creation_time(32bits)": 0,
"modification_time(32bits)": 0,
"track_ID(32bits)": 1,
"reserved1(32bits)": 0,
"duration(32bits)": 629656,
"reserved2(64bits)": 0,
"layer(16bits)": 0,
"alternate_group(16bits)": 1,
"volume(16bits)": 256,
"reserved3(16bits)": 0,
"matrix(288bits)": "0x00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 00 ",
"width(32bits)": 0,
"height(32bits)": 0
}
}, {
"edts": {
"size": 36,
"pos": 100
}
}, {
"mdia": {
"size": 382228,
"pos": 136,
"children": [{
"mdhd": {
"size": 32,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 0,
"creation_time(32bits)": 0,
"modification_time(32bits)": 0,
"timescale(32bits)": 44100,
"duration(32bits)": 27767808,
"pad_language(16bits)": 21956,
"pre_defined(16bits)": 0
}
}, {
"hdlr": {
"size": 45,
"pos": 40,
"version(8bits)": 0,
"flags(24bits)": 0,
"pre_defined(32bits)": 0,
"handler_type(32bits)": "soun",
"reserved(96bits)": "0x00 00 00 00 00 00 00 00 00 00 00 00 ",
"name(104bits)": "SoundHandler"
}
}, {
"minf": {
"size": 382143,
"pos": 85,
"children": [{
"smhd": {
"size": 16,
"pos": 8
}
}, {
"dinf": {
"size": 36,
"pos": 24
}
}, {
"stbl": {
"size": 382083,
"pos": 60,
"children": [{
"stsd": {
"size": 117,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 0,
"children": [{
"mp4a": {
"size": 101,
"pos": 16,
"reserved(48bits)": 0,
"data_reference_index(16bits)": 1,
"version(16bits)": 0,
"reserved(48bits)": 0,
"channelcount(16bits)": 2,
"samplesize(16bits)": 16,
"pre_defined(16bits)": 0,
"reserved(16bits)": 0,
"samplerate(32bits)": 44100,
"children": [{
"esds": {
"size": 65,
"pos": 36
}
}]
}
}]
}
}, {
"stts": {
"size": 24,
"pos": 125
}
}, {
"stsc": {
"size": 197896,
"pos": 149
}
}, {
"stsz": {
"size": 108488,
"pos": 198045
}
}, {
"stco": {
"size": 75496,
"pos": 306533
}
}, {
"sgpd": {
"size": 26,
"pos": 382029
}
}, {
"sbgp": {
"size": 28,
"pos": 382055
}
}]
}
}]
}
}]
}
}]
}
}, {
"trak": {
"size": 217301,
"pos": 382480,
"children": [{
"tkhd": {
"size": 92,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 3,
"creation_time(32bits)": 0,
"modification_time(32bits)": 0,
"track_ID(32bits)": 2,
"reserved1(32bits)": 0,
"duration(32bits)": 629596,
"reserved2(64bits)": 0,
"layer(16bits)": 0,
"alternate_group(16bits)": 0,
"volume(16bits)": 0,
"reserved3(16bits)": 0,
"matrix(288bits)": "0x00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 00 ",
"width(32bits)": 1280,
"height(32bits)": 720
}
}, {
"edts": {
"size": 48,
"pos": 100
}
}, {
"mdia": {
"size": 217153,
"pos": 148,
"children": [{
"mdhd": {
"size": 32,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 0,
"creation_time(32bits)": 0,
"modification_time(32bits)": 0,
"timescale(32bits)": 90000,
"duration(32bits)": 56663607,
"pad_language(16bits)": 21956,
"pre_defined(16bits)": 0
}
}, {
"hdlr": {
"size": 45,
"pos": 40,
"version(8bits)": 0,
"flags(24bits)": 0,
"pre_defined(32bits)": 0,
"handler_type(32bits)": "vide",
"reserved(96bits)": "0x00 00 00 00 00 00 00 00 00 00 00 00 ",
"name(104bits)": "VideoHandler"
}
}, {
"minf": {
"size": 217068,
"pos": 85,
"children": [{
"vmhd": {
"size": 20,
"pos": 8
}
}, {
"dinf": {
"size": 36,
"pos": 28
}
}, {
"stbl": {
"size": 217004,
"pos": 64,
"children": [{
"stsd": {
"size": 168,
"pos": 8,
"version(8bits)": 0,
"flags(24bits)": 0,
"children": [{
"avc1": {
"size": 152,
"pos": 16,
"reserved(48bits)": 0,
"data_reference_index(16bits)": 1,
"pre_defined(16bits)": 0,
"reserved(16bits)": 0,
"pre_defined(96bits)": "0x00 00 00 00 00 00 00 00 00 00 00 00 ",
"width(16bits)": 1280,
"height(16bits)": 720,
"horizresolution(32bits)": 4718592,
"vertresolution(32bits)": 4718592,
"reserved(32bits)": 0,
"frame_count(16bits)": 1,
"compressorname(256bits)": "",
"depth(16bits)": 24,
"pre_defined(16bits)": 65535,
"children": [{
"avcC": {
"size": 50,
"pos": 86
}
}, {
"pasp": {
"size": 16,
"pos": 136
}
}]
}
}]
}
}, {
"stts": {
"size": 24,
"pos": 176
}
}, {
"stss": {
"size": 620,
"pos": 200
}
}, {
"ctts": {
"size": 65168,
"pos": 820
}
}, {
"stsc": {
"size": 28,
"pos": 65988
}
}, {
"stsz": {
"size": 75496,
"pos": 66016
}
}, {
"stco": {
"size": 75492,
"pos": 141512
}
}]
}
}]
}
}]
}
}]
}
}, {
"udta": {
"size": 299,
"pos": 599781
}
}]
}
}]
}
}]
- audio tag
- video tag (支持enhanced flv)
- script tag