tags 609211 moreinfo
thanks

Olivier Guilyardi wrote...

> Although file properly recognizes an MP2 file as:
> MPEG ADTS, layer II, v2,  48 kbps, 22.05 kHz, Monaural
> 
> running file --mime-type on a MP2 file reports:
> application/octet-stream

Hello,

unfortunately you didn't provide an example so I'll have to guess. Can
you please try again using

    file -i -m animation <your-file>

where animation is the attached file?

    Christoph
#------------------------------------------------------------------------------
# $File: animation,v 1.48 2013/03/09 22:36:00 christos Exp $
# animation:  file(1) magic for animation/movie formats
#
# animation formats
# MPEG, FLI, DL originally from v...@ccwf.cc.utexas.edu (VaX#n8)
# FLC, SGI, Apple originally from Daniel Quinlan (quin...@yggdrasil.com)

# SGI and Apple formats
0       string          MOVI            Silicon Graphics movie file
!:mime  video/x-sgi-movie
4       string          moov            Apple QuickTime
!:mime  video/quicktime
>12     string          mvhd            \b movie (fast start)
>12     string          mdra            \b URL
>12     string          cmov            \b movie (fast start, compressed header)
>12     string          rmra            \b multiple URLs
4       string          mdat            Apple QuickTime movie (unoptimized)
!:mime  video/quicktime
#4       string          wide            Apple QuickTime movie (unoptimized)
#!:mime video/quicktime
#4       string          skip            Apple QuickTime movie (modified)
#!:mime video/quicktime
#4       string          free            Apple QuickTime movie (modified)
#!:mime video/quicktime
4       string          idsc            Apple QuickTime image (fast start)
!:mime  image/x-quicktime
#4       string          idat            Apple QuickTime image (unoptimized)
#!:mime image/x-quicktime
4       string          pckg            Apple QuickTime compressed archive
!:mime  application/x-quicktime-player
4       string/W        jP              JPEG 2000 image
!:mime  image/jp2
4       string          ftyp            ISO Media
>8      string          isom            \b, MPEG v4 system, version 1
!:mime  video/mp4
>8      string          iso2            \b, MPEG v4 system, part 12 revision
>8      string          mp41            \b, MPEG v4 system, version 1
!:mime  video/mp4
>8      string          mp42            \b, MPEG v4 system, version 2
!:mime  video/mp4
>8      string          mp7t            \b, MPEG v4 system, MPEG v7 XML
>8      string          mp7b            \b, MPEG v4 system, MPEG v7 binary XML
>8      string/W        jp2             \b, JPEG 2000
!:mime  image/jp2
>8      string          3ge             \b, MPEG v4 system, 3GPP
!:mime  video/3gpp
>8      string          3gg             \b, MPEG v4 system, 3GPP
!:mime  video/3gpp
>8      string          3gp             \b, MPEG v4 system, 3GPP
!:mime  video/3gpp
>8      string          3gs             \b, MPEG v4 system, 3GPP
!:mime  video/3gpp
>8      string          3g2             \b, MPEG v4 system, 3GPP2
!:mime  video/3gpp2
>>11    byte            4               \b v4 (H.263/AMR GSM 6.10)
>>11    byte            5               \b v5 (H.263/AMR GSM 6.10)
>>11    byte            6               \b v6 (ITU H.264/AMR GSM 6.10)
>8      string          mmp4            \b, MPEG v4 system, 3GPP Mobile
!:mime  video/mp4
>8      string          avc1            \b, MPEG v4 system, 3GPP JVT AVC
!:mime  video/3gpp
>8      string/W        M4A             \b, MPEG v4 system, iTunes AAC-LC
!:mime  audio/mp4
>8      string/W        M4V             \b, MPEG v4 system, iTunes AVC-LC
!:mime  video/mp4
>8      string/W        M4P             \b, MPEG v4 system, iTunes AES encrypted
>8      string/W        M4B             \b, MPEG v4 system, iTunes bookmarked
>8      string/W        qt              \b, Apple QuickTime movie
!:mime  video/quicktime

# MPEG sequences
# Scans for all common MPEG header start codes
0        belong             0x00000001     
>4       byte&0x1F          0x07           JVT NAL sequence, H.264 video
>>5      byte               66             \b, baseline
>>5      byte               77             \b, main
>>5      byte               88             \b, extended
>>7      byte               x              \b @ L %u
0        belong&0xFFFFFF00  0x00000100     
>3       byte               0xBA           MPEG sequence
!:mime  video/mpeg
>>4      byte               &0x40          \b, v2, program multiplex
>>4      byte               ^0x40          \b, v1, system multiplex
>3       byte               0xBB           MPEG sequence, v1/2, multiplex 
>(missing pack header)
>3       byte&0x1F          0x07           MPEG sequence, H.264 video
>>4      byte               66             \b, baseline
>>4      byte               77             \b, main
>>4      byte               88             \b, extended
>>6      byte               x              \b @ L %u
# GRR too general as it catches also FoxPro Memo example NG.FPT
>3       byte               0xB0           MPEG sequence, v4
# TODO: maybe this extra line exclude FoxPro Memo example NG.FPT starting with 
000001b0 00000100 00000000
#>>4      byte               !0             MPEG sequence, v4
!:mime  video/mpeg4-generic
>>5      belong             0x000001B5
>>>9     byte               &0x80
>>>>10   byte&0xF0          16             \b, video
>>>>10   byte&0xF0          32             \b, still texture
>>>>10   byte&0xF0          48             \b, mesh
>>>>10   byte&0xF0          64             \b, face
>>>9     byte&0xF8          8              \b, video
>>>9     byte&0xF8          16             \b, still texture
>>>9     byte&0xF8          24             \b, mesh
>>>9     byte&0xF8          32             \b, face
>>4      byte               1              \b, simple @ L1
>>4      byte               2              \b, simple @ L2
>>4      byte               3              \b, simple @ L3
>>4      byte               4              \b, simple @ L0
>>4      byte               17             \b, simple scalable @ L1
>>4      byte               18             \b, simple scalable @ L2
>>4      byte               33             \b, core @ L1
>>4      byte               34             \b, core @ L2
>>4      byte               50             \b, main @ L2
>>4      byte               51             \b, main @ L3
>>4      byte               53             \b, main @ L4
>>4      byte               66             \b, n-bit @ L2
>>4      byte               81             \b, scalable texture @ L1
>>4      byte               97             \b, simple face animation @ L1
>>4      byte               98             \b, simple face animation @ L2
>>4      byte               99             \b, simple face basic animation @ L1
>>4      byte               100            \b, simple face basic animation @ L2
>>4      byte               113            \b, basic animation text @ L1
>>4      byte               114            \b, basic animation text @ L2
>>4      byte               129            \b, hybrid @ L1
>>4      byte               130            \b, hybrid @ L2
>>4      byte               145            \b, advanced RT simple @ L!
>>4      byte               146            \b, advanced RT simple @ L2
>>4      byte               147            \b, advanced RT simple @ L3
>>4      byte               148            \b, advanced RT simple @ L4
>>4      byte               161            \b, core scalable @ L1
>>4      byte               162            \b, core scalable @ L2
>>4      byte               163            \b, core scalable @ L3
>>4      byte               177            \b, advanced coding efficiency @ L1
>>4      byte               178            \b, advanced coding efficiency @ L2
>>4      byte               179            \b, advanced coding efficiency @ L3
>>4      byte               180            \b, advanced coding efficiency @ L4
>>4      byte               193            \b, advanced core @ L1
>>4      byte               194            \b, advanced core @ L2
>>4      byte               209            \b, advanced scalable texture @ L1
>>4      byte               210            \b, advanced scalable texture @ L2
>>4      byte               211            \b, advanced scalable texture @ L3
>>4      byte               225            \b, simple studio @ L1
>>4      byte               226            \b, simple studio @ L2
>>4      byte               227            \b, simple studio @ L3
>>4      byte               228            \b, simple studio @ L4
>>4      byte               229            \b, core studio @ L1
>>4      byte               230            \b, core studio @ L2
>>4      byte               231            \b, core studio @ L3
>>4      byte               232            \b, core studio @ L4
>>4      byte               240            \b, advanced simple @ L0
>>4      byte               241            \b, advanced simple @ L1
>>4      byte               242            \b, advanced simple @ L2
>>4      byte               243            \b, advanced simple @ L3
>>4      byte               244            \b, advanced simple @ L4
>>4      byte               245            \b, advanced simple @ L5
>>4      byte               247            \b, advanced simple @ L3b
>>4      byte               248            \b, FGS @ L0
>>4      byte               249            \b, FGS @ L1
>>4      byte               250            \b, FGS @ L2
>>4      byte               251            \b, FGS @ L3
>>4      byte               252            \b, FGS @ L4
>>4      byte               253            \b, FGS @ L5
>3       byte               0xB5           MPEG sequence, v4
!:mime  video/mpeg4-generic
>>4      byte               &0x80
>>>5     byte&0xF0          16             \b, video (missing profile header)
>>>5     byte&0xF0          32             \b, still texture (missing profile 
>>>header)
>>>5     byte&0xF0          48             \b, mesh (missing profile header)
>>>5     byte&0xF0          64             \b, face (missing profile header)
>>4      byte&0xF8          8              \b, video (missing profile header)
>>4      byte&0xF8          16             \b, still texture (missing profile 
>>header)
>>4      byte&0xF8          24             \b, mesh (missing profile header)
>>4      byte&0xF8          32             \b, face (missing profile header)
>3       byte               0xB3           MPEG sequence
!:mime  video/mpeg
>>12     belong             0x000001B8     \b, v1, progressive Y'CbCr 4:2:0 
>>video
>>12     belong             0x000001B2     \b, v1, progressive Y'CbCr 4:2:0 
>>video
>>12     belong             0x000001B5     \b, v2,
>>>16    byte&0x0F          1              \b HP
>>>16    byte&0x0F          2              \b Spt
>>>16    byte&0x0F          3              \b SNR
>>>16    byte&0x0F          4              \b MP
>>>16    byte&0x0F          5              \b SP
>>>17    byte&0xF0          64             \b@HL
>>>17    byte&0xF0          96             \b@H-14
>>>17    byte&0xF0          128            \b@ML
>>>17    byte&0xF0          160            \b@LL
>>>17    byte               &0x08          \b progressive
>>>17    byte               ^0x08          \b interlaced
>>>17    byte&0x06          2              \b Y'CbCr 4:2:0 video
>>>17    byte&0x06          4              \b Y'CbCr 4:2:2 video
>>>17    byte&0x06          6              \b Y'CbCr 4:4:4 video
>>11     byte               &0x02
>>>75    byte               &0x01
>>>>140  belong             0x000001B8     \b, v1, progressive Y'CbCr 4:2:0 
>>>>video
>>>>140  belong             0x000001B2     \b, v1, progressive Y'CbCr 4:2:0 
>>>>video
>>>>140  belong             0x000001B5     \b, v2,
>>>>>144 byte&0x0F          1              \b HP
>>>>>144 byte&0x0F          2              \b Spt
>>>>>144 byte&0x0F          3              \b SNR
>>>>>144 byte&0x0F          4              \b MP
>>>>>144 byte&0x0F          5              \b SP
>>>>>145 byte&0xF0          64             \b@HL
>>>>>145 byte&0xF0          96             \b@H-14
>>>>>145 byte&0xF0          128            \b@ML
>>>>>145 byte&0xF0          160            \b@LL
>>>>>145 byte               &0x08          \b progressive
>>>>>145 byte               ^0x08          \b interlaced
>>>>>145 byte&0x06          2              \b Y'CbCr 4:2:0 video
>>>>>145 byte&0x06          4              \b Y'CbCr 4:2:2 video
>>>>>145 byte&0x06          6              \b Y'CbCr 4:4:4 video
>>76    belong             0x000001B8     \b, v1, progressive Y'CbCr 4:2:0 video
>>76    belong             0x000001B2     \b, v1, progressive Y'CbCr 4:2:0 video
>>76    belong             0x000001B5     \b, v2,
>>>80   byte&0x0F          1              \b HP
>>>80   byte&0x0F          2              \b Spt
>>>80   byte&0x0F          3              \b SNR
>>>80   byte&0x0F          4              \b MP
>>>80   byte&0x0F          5              \b SP
>>>81   byte&0xF0          64             \b@HL
>>>81   byte&0xF0          96             \b@H-14
>>>81   byte&0xF0          128            \b@ML
>>>81   byte&0xF0          160            \b@LL
>>>81   byte               &0x08          \b progressive
>>>81   byte               ^0x08          \b interlaced
>>>81   byte&0x06          2              \b Y'CbCr 4:2:0 video
>>>81   byte&0x06          4              \b Y'CbCr 4:2:2 video
>>>81   byte&0x06          6              \b Y'CbCr 4:4:4 video
>>4      belong&0xFFFFFF00  0x78043800     \b, HD-TV 1920P
>>>7     byte&0xF0          0x10           \b, 16:9
>>4      belong&0xFFFFFF00  0x50002D00     \b, SD-TV 1280I
>>>7     byte&0xF0          0x10           \b, 16:9
>>4      belong&0xFFFFFF00  0x30024000     \b, PAL Capture
>>>7     byte&0xF0          0x10           \b, 4:3
>>4      beshort&0xFFF0     0x2C00         \b, 4CIF
>>>5     beshort&0x0FFF     0x01E0         \b NTSC
>>>5     beshort&0x0FFF     0x0240         \b PAL
>>>7     byte&0xF0          0x20           \b, 4:3
>>>7     byte&0xF0          0x30           \b, 16:9
>>>7     byte&0xF0          0x40           \b, 11:5
>>>7     byte&0xF0          0x80           \b, PAL 4:3
>>>7     byte&0xF0          0xC0           \b, NTSC 4:3
>>4      belong&0xFFFFFF00  0x2801E000     \b, LD-TV 640P
>>>7     byte&0xF0          0x10           \b, 4:3
>>4      belong&0xFFFFFF00  0x1400F000     \b, 320x240
>>>7     byte&0xF0          0x10           \b, 4:3
>>4      belong&0xFFFFFF00  0x0F00A000     \b, 240x160
>>>7     byte&0xF0          0x10           \b, 4:3
>>4      belong&0xFFFFFF00  0x0A007800     \b, 160x120
>>>7     byte&0xF0          0x10           \b, 4:3
>>4      beshort&0xFFF0     0x1600         \b, CIF
>>>5     beshort&0x0FFF     0x00F0         \b NTSC
>>>5     beshort&0x0FFF     0x0120         \b PAL
>>>7     byte&0xF0          0x20           \b, 4:3
>>>7     byte&0xF0          0x30           \b, 16:9
>>>7     byte&0xF0          0x40           \b, 11:5
>>>7     byte&0xF0          0x80           \b, PAL 4:3
>>>7     byte&0xF0          0xC0           \b, NTSC 4:3
>>>5     beshort&0x0FFF     0x0240         \b PAL 625
>>>>7    byte&0xF0          0x20           \b, 4:3
>>>>7    byte&0xF0          0x30           \b, 16:9
>>>>7    byte&0xF0          0x40           \b, 11:5
>>4      beshort&0xFFF0     0x2D00         \b, CCIR/ITU
>>>5     beshort&0x0FFF     0x01E0         \b NTSC 525
>>>5     beshort&0x0FFF     0x0240         \b PAL 625
>>>7     byte&0xF0          0x20           \b, 4:3
>>>7     byte&0xF0          0x30           \b, 16:9
>>>7     byte&0xF0          0x40           \b, 11:5
>>4      beshort&0xFFF0     0x1E00         \b, SVCD
>>>5     beshort&0x0FFF     0x01E0         \b NTSC 525
>>>5     beshort&0x0FFF     0x0240         \b PAL 625
>>>7     byte&0xF0          0x20           \b, 4:3
>>>7     byte&0xF0          0x30           \b, 16:9
>>>7     byte&0xF0          0x40           \b, 11:5
>>7      byte&0x0F          1              \b, 23.976 fps
>>7      byte&0x0F          2              \b, 24 fps
>>7      byte&0x0F          3              \b, 25 fps
>>7      byte&0x0F          4              \b, 29.97 fps
>>7      byte&0x0F          5              \b, 30 fps
>>7      byte&0x0F          6              \b, 50 fps
>>7      byte&0x0F          7              \b, 59.94 fps
>>7      byte&0x0F          8              \b, 60 fps
>>11     byte               &0x04          \b, Constrained

# MPEG ADTS Audio (*.mpx/mxa/aac)
# from dree...@math.fu-berlin.de
# modified to fully support MPEG ADTS

# MP3, M1A
# modified by Joerg Jenderek
# GRR the original test are too common for many DOS files
# so don't accept as MP3 until we've tested the rate
0       beshort&0xFFFE  0xFFFA
# rates
>2      byte&0xF0       0x10           MPEG ADTS, layer III, v1,  32 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x20           MPEG ADTS, layer III, v1,  40 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x30           MPEG ADTS, layer III, v1,  48 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x40           MPEG ADTS, layer III, v1,  56 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x50           MPEG ADTS, layer III, v1,  64 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x60           MPEG ADTS, layer III, v1,  80 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x70           MPEG ADTS, layer III, v1,  96 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x80           MPEG ADTS, layer III, v1, 112 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0x90           MPEG ADTS, layer III, v1, 128 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0xA0           MPEG ADTS, layer III, v1, 160 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0xB0           MPEG ADTS, layer III, v1, 192 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0xC0           MPEG ADTS, layer III, v1, 224 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0xD0           MPEG ADTS, layer III, v1, 256 kbps
!:mime  audio/mpeg
>2      byte&0xF0       0xE0           MPEG ADTS, layer III, v1, 320 kbps
!:mime  audio/mpeg
# timing
>2      byte&0x0C       0x00           \b, 44.1 kHz
>2      byte&0x0C       0x04           \b, 48 kHz
>2      byte&0x0C       0x08           \b, 32 kHz
# channels/options
>3      byte&0xC0       0x00           \b, Stereo
>3      byte&0xC0       0x40           \b, JntStereo
>3      byte&0xC0       0x80           \b, 2x Monaural
>3      byte&0xC0       0xC0           \b, Monaural
#>1     byte            ^0x01          \b, Data Verify
#>2     byte            &0x02          \b, Packet Pad
#>2     byte            &0x01          \b, Custom Flag
#>3     byte            &0x08          \b, Copyrighted
#>3     byte            &0x04          \b, Original Source
#>3     byte&0x03       1              \b, NR: 50/15 ms
#>3     byte&0x03       3              \b, NR: CCIT J.17

# MP2, M1A
0       beshort&0xFFFE  0xFFFC         MPEG ADTS, layer II, v1
!:mime  audio/mpeg
# rates
>2      byte&0xF0       0x10           \b,  32 kbps
>2      byte&0xF0       0x20           \b,  48 kbps
>2      byte&0xF0       0x30           \b,  56 kbps
>2      byte&0xF0       0x40           \b,  64 kbps
>2      byte&0xF0       0x50           \b,  80 kbps
>2      byte&0xF0       0x60           \b,  96 kbps
>2      byte&0xF0       0x70           \b, 112 kbps
>2      byte&0xF0       0x80           \b, 128 kbps
>2      byte&0xF0       0x90           \b, 160 kbps
>2      byte&0xF0       0xA0           \b, 192 kbps
>2      byte&0xF0       0xB0           \b, 224 kbps
>2      byte&0xF0       0xC0           \b, 256 kbps
>2      byte&0xF0       0xD0           \b, 320 kbps
>2      byte&0xF0       0xE0           \b, 384 kbps
# timing
>2      byte&0x0C       0x00           \b, 44.1 kHz
>2      byte&0x0C       0x04           \b, 48 kHz
>2      byte&0x0C       0x08           \b, 32 kHz
# channels/options
>3      byte&0xC0       0x00           \b, Stereo
>3      byte&0xC0       0x40           \b, JntStereo
>3      byte&0xC0       0x80           \b, 2x Monaural
>3      byte&0xC0       0xC0           \b, Monaural
#>1     byte            ^0x01          \b, Data Verify
#>2     byte            &0x02          \b, Packet Pad
#>2     byte            &0x01          \b, Custom Flag
#>3     byte            &0x08          \b, Copyrighted
#>3     byte            &0x04          \b, Original Source
#>3     byte&0x03       1              \b, NR: 50/15 ms
#>3     byte&0x03       3              \b, NR: CCIT J.17

# MPA, M1A
# updated by Joerg Jenderek
# GRR the original test are too common for many DOS files, so test 32 <= kbits 
<= 448
# GRR this test is still too general as it catches a BOM of UTF-16 files 
(0xFFFE)
# FIXME: Almost all little endian UTF-16 text with BOM are clobbered by these 
entries
#0      beshort&0xFFFE          0xFFFE  
#>2     ubyte&0xF0      >0x0F           
#>>2    ubyte&0xF0      <0xE1           MPEG ADTS, layer I, v1
## rate
#>>>2      byte&0xF0       0x10           \b,  32 kbps
#>>>2      byte&0xF0       0x20           \b,  64 kbps
#>>>2      byte&0xF0       0x30           \b,  96 kbps
#>>>2      byte&0xF0       0x40           \b, 128 kbps
#>>>2      byte&0xF0       0x50           \b, 160 kbps
#>>>2      byte&0xF0       0x60           \b, 192 kbps
#>>>2      byte&0xF0       0x70           \b, 224 kbps
#>>>2      byte&0xF0       0x80           \b, 256 kbps
#>>>2      byte&0xF0       0x90           \b, 288 kbps
#>>>2      byte&0xF0       0xA0           \b, 320 kbps
#>>>2      byte&0xF0       0xB0           \b, 352 kbps
#>>>2      byte&0xF0       0xC0           \b, 384 kbps
#>>>2      byte&0xF0       0xD0           \b, 416 kbps
#>>>2      byte&0xF0       0xE0           \b, 448 kbps
## timing
#>>>2      byte&0x0C       0x00           \b, 44.1 kHz
#>>>2      byte&0x0C       0x04           \b, 48 kHz
#>>>2      byte&0x0C       0x08           \b, 32 kHz
## channels/options
#>>>3      byte&0xC0       0x00           \b, Stereo
#>>>3      byte&0xC0       0x40           \b, JntStereo
#>>>3      byte&0xC0       0x80           \b, 2x Monaural
#>>>3      byte&0xC0       0xC0           \b, Monaural
##>1     byte            ^0x01          \b, Data Verify
##>2     byte            &0x02          \b, Packet Pad
##>2     byte            &0x01          \b, Custom Flag
##>3     byte            &0x08          \b, Copyrighted
##>3     byte            &0x04          \b, Original Source
##>3     byte&0x03       1              \b, NR: 50/15 ms
##>3     byte&0x03       3              \b, NR: CCIT J.17

# MP3, M2A
0       beshort&0xFFFE  0xFFF2         MPEG ADTS, layer III, v2
!:mime  audio/mpeg
# rate
>2      byte&0xF0       0x10           \b,   8 kbps
>2      byte&0xF0       0x20           \b,  16 kbps
>2      byte&0xF0       0x30           \b,  24 kbps
>2      byte&0xF0       0x40           \b,  32 kbps
>2      byte&0xF0       0x50           \b,  40 kbps
>2      byte&0xF0       0x60           \b,  48 kbps
>2      byte&0xF0       0x70           \b,  56 kbps
>2      byte&0xF0       0x80           \b,  64 kbps
>2      byte&0xF0       0x90           \b,  80 kbps
>2      byte&0xF0       0xA0           \b,  96 kbps
>2      byte&0xF0       0xB0           \b, 112 kbps
>2      byte&0xF0       0xC0           \b, 128 kbps
>2      byte&0xF0       0xD0           \b, 144 kbps
>2      byte&0xF0       0xE0           \b, 160 kbps
# timing
>2      byte&0x0C       0x00           \b, 22.05 kHz
>2      byte&0x0C       0x04           \b, 24 kHz
>2      byte&0x0C       0x08           \b, 16 kHz
# channels/options
>3      byte&0xC0       0x00           \b, Stereo
>3      byte&0xC0       0x40           \b, JntStereo
>3      byte&0xC0       0x80           \b, 2x Monaural
>3      byte&0xC0       0xC0           \b, Monaural
#>1     byte            ^0x01          \b, Data Verify
#>2     byte            &0x02          \b, Packet Pad
#>2     byte            &0x01          \b, Custom Flag
#>3     byte            &0x08          \b, Copyrighted
#>3     byte            &0x04          \b, Original Source
#>3     byte&0x03       1              \b, NR: 50/15 ms
#>3     byte&0x03       3              \b, NR: CCIT J.17

# MP2, M2A
0       beshort&0xFFFE  0xFFF4         MPEG ADTS, layer II, v2
!:mime  audio/mpeg
# rate 
>2      byte&0xF0       0x10           \b,   8 kbps
>2      byte&0xF0       0x20           \b,  16 kbps 
>2      byte&0xF0       0x30           \b,  24 kbps
>2      byte&0xF0       0x40           \b,  32 kbps
>2      byte&0xF0       0x50           \b,  40 kbps
>2      byte&0xF0       0x60           \b,  48 kbps
>2      byte&0xF0       0x70           \b,  56 kbps
>2      byte&0xF0       0x80           \b,  64 kbps
>2      byte&0xF0       0x90           \b,  80 kbps
>2      byte&0xF0       0xA0           \b,  96 kbps
>2      byte&0xF0       0xB0           \b, 112 kbps
>2      byte&0xF0       0xC0           \b, 128 kbps
>2      byte&0xF0       0xD0           \b, 144 kbps
>2      byte&0xF0       0xE0           \b, 160 kbps
# timing
>2      byte&0x0C       0x00           \b, 22.05 kHz
>2      byte&0x0C       0x04           \b, 24 kHz
>2      byte&0x0C       0x08           \b, 16 kHz
# channels/options
>3      byte&0xC0       0x00           \b, Stereo
>3      byte&0xC0       0x40           \b, JntStereo
>3      byte&0xC0       0x80           \b, 2x Monaural
>3      byte&0xC0       0xC0           \b, Monaural
#>1     byte            ^0x01          \b, Data Verify
#>2     byte            &0x02          \b, Packet Pad
#>2     byte            &0x01          \b, Custom Flag
#>3     byte            &0x08          \b, Copyrighted
#>3     byte            &0x04          \b, Original Source
#>3     byte&0x03       1              \b, NR: 50/15 ms
#>3     byte&0x03       3              \b, NR: CCIT J.17

# MPA, M2A
0       beshort&0xFFFE  0xFFF6         MPEG ADTS, layer I, v2
!:mime  audio/mpeg
# rate
>2      byte&0xF0       0x10           \b,  32 kbps
>2      byte&0xF0       0x20           \b,  48 kbps
>2      byte&0xF0       0x30           \b,  56 kbps
>2      byte&0xF0       0x40           \b,  64 kbps
>2      byte&0xF0       0x50           \b,  80 kbps
>2      byte&0xF0       0x60           \b,  96 kbps
>2      byte&0xF0       0x70           \b, 112 kbps
>2      byte&0xF0       0x80           \b, 128 kbps
>2      byte&0xF0       0x90           \b, 144 kbps
>2      byte&0xF0       0xA0           \b, 160 kbps
>2      byte&0xF0       0xB0           \b, 176 kbps
>2      byte&0xF0       0xC0           \b, 192 kbps
>2      byte&0xF0       0xD0           \b, 224 kbps
>2      byte&0xF0       0xE0           \b, 256 kbps
# timing
>2      byte&0x0C       0x00           \b, 22.05 kHz
>2      byte&0x0C       0x04           \b, 24 kHz
>2      byte&0x0C       0x08           \b, 16 kHz
# channels/options
>3      byte&0xC0       0x00           \b, Stereo
>3      byte&0xC0       0x40           \b, JntStereo
>3      byte&0xC0       0x80           \b, 2x Monaural
>3      byte&0xC0       0xC0           \b, Monaural
#>1     byte            ^0x01          \b, Data Verify
#>2     byte            &0x02          \b, Packet Pad
#>2     byte            &0x01          \b, Custom Flag
#>3     byte            &0x08          \b, Copyrighted
#>3     byte            &0x04          \b, Original Source
#>3     byte&0x03       1              \b, NR: 50/15 ms
#>3     byte&0x03       3              \b, NR: CCIT J.17

# MP3, M25A
0       beshort&0xFFFE  0xFFE2         MPEG ADTS, layer III,  v2.5
!:mime  audio/mpeg
# rate  
>2      byte&0xF0       0x10           \b,   8 kbps
>2      byte&0xF0       0x20           \b,  16 kbps
>2      byte&0xF0       0x30           \b,  24 kbps
>2      byte&0xF0       0x40           \b,  32 kbps
>2      byte&0xF0       0x50           \b,  40 kbps
>2      byte&0xF0       0x60           \b,  48 kbps
>2      byte&0xF0       0x70           \b,  56 kbps
>2      byte&0xF0       0x80           \b,  64 kbps
>2      byte&0xF0       0x90           \b,  80 kbps
>2      byte&0xF0       0xA0           \b,  96 kbps
>2      byte&0xF0       0xB0           \b, 112 kbps
>2      byte&0xF0       0xC0           \b, 128 kbps
>2      byte&0xF0       0xD0           \b, 144 kbps
>2      byte&0xF0       0xE0           \b, 160 kbps
# timing
>2      byte&0x0C       0x00           \b, 11.025 kHz
>2      byte&0x0C       0x04           \b, 12 kHz
>2      byte&0x0C       0x08           \b, 8 kHz
# channels/options
>3      byte&0xC0       0x00           \b, Stereo
>3      byte&0xC0       0x40           \b, JntStereo
>3      byte&0xC0       0x80           \b, 2x Monaural
>3      byte&0xC0       0xC0           \b, Monaural
#>1     byte            ^0x01          \b, Data Verify
#>2     byte            &0x02          \b, Packet Pad
#>2     byte            &0x01          \b, Custom Flag
#>3     byte            &0x08          \b, Copyrighted
#>3     byte            &0x04          \b, Original Source
#>3     byte&0x03       1              \b, NR: 50/15 ms
#>3     byte&0x03       3              \b, NR: CCIT J.17

# AAC (aka MPEG-2 NBC audio) and MPEG-4 audio

# Stored AAC streams (instead of the MP4 format)
0       string          ADIF           MPEG ADIF, AAC
!:mime  audio/x-hx-aac-adif
>4      byte            &0x80
>>13    byte            &0x10          \b, VBR
>>13    byte            ^0x10          \b, CBR
>>16    byte&0x1E       0x02           \b, single stream
>>16    byte&0x1E       0x04           \b, 2 streams
>>16    byte&0x1E       0x06           \b, 3 streams
>>16    byte            &0x08          \b, 4 or more streams
>>16    byte            &0x10          \b, 8 or more streams
>>4    byte            &0x80          \b, Copyrighted
>>13   byte            &0x40          \b, Original Source
>>13   byte            &0x20          \b, Home Flag
>4      byte            ^0x80
>>4     byte            &0x10          \b, VBR
>>4     byte            ^0x10          \b, CBR
>>7     byte&0x1E       0x02           \b, single stream
>>7     byte&0x1E       0x04           \b, 2 streams
>>7     byte&0x1E       0x06           \b, 3 streams
>>7     byte            &0x08          \b, 4 or more streams
>>7     byte            &0x10          \b, 8 or more streams
>>4    byte            &0x40          \b, Original Stream(s)
>>4    byte            &0x20          \b, Home Source

# Live or stored single AAC stream (used with MPEG-2 systems)
0       beshort&0xFFF6  0xFFF0         MPEG ADTS, AAC
!:mime  audio/x-hx-aac-adts
>1      byte            &0x08          \b, v2
>1      byte            ^0x08          \b, v4
# profile
>>2     byte            &0xC0          \b LTP
>2      byte&0xc0       0x00           \b Main
>2      byte&0xc0       0x40           \b LC
>2      byte&0xc0       0x80           \b SSR
# timing
>2      byte&0x3c       0x00           \b, 96 kHz
>2      byte&0x3c       0x04           \b, 88.2 kHz
>2      byte&0x3c       0x08           \b, 64 kHz
>2      byte&0x3c       0x0c           \b, 48 kHz
>2      byte&0x3c       0x10           \b, 44.1 kHz
>2      byte&0x3c       0x14           \b, 32 kHz
>2      byte&0x3c       0x18           \b, 24 kHz
>2      byte&0x3c       0x1c           \b, 22.05 kHz
>2      byte&0x3c       0x20           \b, 16 kHz
>2      byte&0x3c       0x24           \b, 12 kHz
>2      byte&0x3c       0x28           \b, 11.025 kHz
>2      byte&0x3c       0x2c           \b, 8 kHz
# channels
>2      beshort&0x01c0  0x0040         \b, monaural
>2      beshort&0x01c0  0x0080         \b, stereo
>2      beshort&0x01c0  0x00c0         \b, stereo + center
>2      beshort&0x01c0  0x0100         \b, stereo+center+LFE
>2      beshort&0x01c0  0x0140         \b, surround
>2      beshort&0x01c0  0x0180         \b, surround + LFE
>2      beshort         &0x01C0        \b, surround + side
#>1     byte            ^0x01           \b, Data Verify
#>2     byte            &0x02           \b, Custom Flag
#>3     byte            &0x20           \b, Original Stream
#>3     byte            &0x10           \b, Home Source
#>3     byte            &0x08           \b, Copyrighted

# Live MPEG-4 audio streams (instead of RTP FlexMux)
0       beshort&0xFFE0  0x56E0         MPEG-4 LOAS
!:mime  audio/x-mp4a-latm
#>1     beshort&0x1FFF  x              \b, %u byte packet
>3      byte&0xE0       0x40
>>4     byte&0x3C       0x04           \b, single stream
>>4     byte&0x3C       0x08           \b, 2 streams
>>4     byte&0x3C       0x0C           \b, 3 streams
>>4     byte            &0x08          \b, 4 or more streams
>>4     byte            &0x20          \b, 8 or more streams
>3      byte&0xC0       0
>>4     byte&0x78       0x08           \b, single stream
>>4     byte&0x78       0x10           \b, 2 streams
>>4     byte&0x78       0x18           \b, 3 streams
>>4     byte            &0x20          \b, 4 or more streams
>>4     byte            &0x40          \b, 8 or more streams
# This magic isn't strong enough (matches plausible ISO-8859-1 text)
#0       beshort         0x4DE1         MPEG-4 LO-EP audio stream
#!:mime audio/x-mp4a-latm

# Summary: FLI animation format
# Created by: Daniel Quinlan <quin...@yggdrasil.com>
# Modified by (1): Abel Cheung <abelche...@gmail.com> (avoid over-generic 
detection)
4       leshort         0xAF11
# standard FLI always has 320x200 resolution and 8 bit color
>8      leshort         320
>>10    leshort         200
>>>12   leshort         8                       FLI animation, 320x200x8
!:mime  video/x-fli
>>>>6   leshort         x                       \b, %d frames
# frame speed is multiple of 1/70s
>>>>16  leshort         x                       \b, %d/70s per frame

# Summary: FLC animation format
# Created by: Daniel Quinlan <quin...@yggdrasil.com>
# Modified by (1): Abel Cheung <abelche...@gmail.com> (avoid over-generic 
detection)
4       leshort         0xAF12
# standard FLC always use 8 bit color
>12     leshort         8                       FLC animation
!:mime  video/x-flc
>>8     leshort         x                       \b, %d
>>10    leshort         x                       \bx%dx8
>>6     uleshort        x                       \b, %d frames
>>16    uleshort        x                       \b, %dms per frame

# DL animation format
# XXX - collision with most `mips' magic
#
# I couldn't find a real magic number for these, however, this
# -appears- to work.  Note that it might catch other files, too, so be
# careful!
#
# Note that title and author appear in the two 20-byte chunks
# at decimal offsets 2 and 22, respectively, but they are XOR'ed with
# 255 (hex FF)!  The DL format is really bad.
#
#0      byte    1       DL version 1, medium format (160x100, 4 images/screen)
#!:mime video/x-unknown
#>42    byte    x       - %d screens,
#>43    byte    x       %d commands
#0      byte    2       DL version 2
#!:mime video/x-unknown
#>1     byte    1       - large format (320x200,1 image/screen),
#>1     byte    2       - medium format (160x100,4 images/screen),
#>1     byte    >2      - unknown format,
#>42    byte    x       %d screens,
#>43    byte    x       %d commands
# Based on empirical evidence, DL version 3 have several nulls following the
# \003.  Most of them start with non-null values at hex offset 0x34 or so.
#0      string  \3\0\0\0\0\0\0\0\0\0\0\0        DL version 3

# iso 13818 transport stream
#
# from Oskar Schirmer <schir...@scara.com> Feb 3, 2001 (ISO 13818.1)
# syncbyte      8 bit   0x47
# error_ind     1 bit   -
# payload_start 1 bit   1
# priority      1 bit   -
# PID          13 bit   0x0000
# scrambling    2 bit   -
# adaptfld_ctrl 2 bit   1 or 3
# conti_count   4 bit   -
0       belong&0xFF5FFF10       0x47400010
>188    byte                    0x47            MPEG transport stream data

# DIF digital video file format <mpru...@sgi.com>
0       belong&0xffffff00       0x1f070000      DIF
>4      byte                    &0x01           (DVCPRO) movie file
>4      byte                    ^0x01           (DV) movie file
>3      byte                    &0x80           (PAL)
>3      byte                    ^0x80           (NTSC)

# Microsoft Advanced Streaming Format (ASF) <mpru...@sgi.com>
0       belong                  0x3026b275      Microsoft ASF
!:mime  video/x-ms-asf

# MNG Video Format, <URL:http://www.libpng.org/pub/mng/spec/>
0       string                  \x8aMNG         MNG video data,
!:mime  video/x-mng
>4      belong                  !0x0d0a1a0a     CORRUPTED,
>4      belong                  0x0d0a1a0a
>>16    belong  x                               %ld x
>>20    belong  x                               %ld

# JNG Video Format, <URL:http://www.libpng.org/pub/mng/spec/>
0       string                  \x8bJNG         JNG video data,
!:mime  video/x-jng
>4      belong                  !0x0d0a1a0a     CORRUPTED,
>4      belong                  0x0d0a1a0a
>>16    belong  x                               %ld x
>>20    belong  x                               %ld

# Vivo video (Wolfram Kleff)
3       string          \x0D\x0AVersion:Vivo    Vivo video data

# VRML (Virtual Reality Modelling Language)
0       string/w        #VRML\ V1.0\ ascii      VRML 1 file
!:mime  model/vrml
0       string/w        #VRML\ V2.0\ utf8       ISO/IEC 14772 VRML 97 file
!:mime  model/vrml

# X3D (Extensible 3D) [http://www.web3d.org/specifications/x3d-3.0.dtd]
# From Michel Briand <michelbri...@free.fr>
0       string/t                \<?xml\ version="
!:strength +1
>20     search/1000/cw  \<!DOCTYPE\ X3D         X3D (Extensible 3D) model xml 
>text
!:mime model/x3d

#---------------------------------------------------------------------------
# HVQM4: compressed movie format designed by Hudson for Nintendo GameCube
# From Mark Sheppard <mshepp...@climax.co.uk>, 2002-10-03
#
0       string          HVQM4           %s
>6      string          >\0             v%s
>0      byte            x               GameCube movie,
>0x34   ubeshort        x               %d x
>0x36   ubeshort        x               %d,
>0x26   ubeshort        x               %dus,
>0x42   ubeshort        0               no audio
>0x42   ubeshort        >0              %dHz audio

# From: "Stefan A. Haubenthal" <poll...@web.de>
0       string          DVDVIDEO-VTS    Video title set,
>0x21   byte            x               v%x
0       string          DVDVIDEO-VMG    Video manager,
>0x21   byte            x               v%x

# From: Behan Webster <beh...@websterwood.com>
# NuppelVideo used by Mythtv (*.nuv)
# Note: there are two identical stanzas here differing only in the
# initial string matched. It used to be done with a regex, but we're
# trying to get rid of those.
0       string          NuppelVideo     MythTV NuppelVideo
>12     string          x               v%s
>20     lelong          x               (%d
>24     lelong          x               \bx%d),
>36     string          P               \bprogressive,
>36     string          I               \binterlaced,
>40     ledouble        x               \baspect:%.2f,
>48     ledouble        x               \bfps:%.2f
0       string          MythTV          MythTV NuppelVideo
>12     string          x               v%s
>20     lelong          x               (%d
>24     lelong          x               \bx%d),
>36     string          P               \bprogressive,
>36     string          I               \binterlaced,
>40     ledouble        x               \baspect:%.2f,
>48     ledouble        x               \bfps:%.2f

#                                               MPEG file
# MPEG sequences
# FIXME: This section is from the old magic.mime file and needs integrating 
with the rest
0       belong             0x000001BA
>4      byte               &0x40
!:mime  video/mp2p
>4      byte               ^0x40
!:mime  video/mpeg
0       belong             0x000001BB
!:mime  video/mpeg
0       belong             0x000001B0
!:mime  video/mp4v-es
0       belong             0x000001B5
!:mime  video/mp4v-es
0       belong             0x000001B3
!:mime  video/mpv
0       belong&0xFF5FFF10  0x47400010
!:mime  video/mp2t
0       belong             0x00000001
>4      byte&0x1F          0x07
!:mime  video/h264

# Type: Bink Video
# Extension: .bik
# URL:  http://wiki.multimedia.cx/index.php?title=Bink_Container
# From: <hoe...@users.sourceforge.net>  2008-07-18
0       string          BIK     Bink Video
>3      regex           =[a-z]  rev.%s
#>4     ulelong         x       size %d
>20     ulelong         x       \b, %d
>24     ulelong         x       \bx%d
>8      ulelong         x       \b, %d frames
>32     ulelong         x       at rate %d/
>28     ulelong         >1      \b%d
>40     ulelong         =0      \b, no audio
>40     ulelong         !0      \b, %d audio track
>>40    ulelong         !1      \bs
# follow properties of the first audio track only
>>48    uleshort        x       %dHz
>>51    byte&0x20       0       mono
>>51    byte&0x20       !0      stereo
#>>51   byte&0x10       0       FFT
#>>51   byte&0x10       !0      DCT

# Type: NUT Container
# URL:  http://wiki.multimedia.cx/index.php?title=NUT
# From: Adam Buchbinder <adam.buchbin...@gmail.com>
0       string  nut/multimedia\ container\0     NUT multimedia container

# Type: Nullsoft Video (NSV)
# URL:  http://wiki.multimedia.cx/index.php?title=Nullsoft_Video
# From: Mike Melanson <m...@multimedia.cx>
0       string  NSVf    Nullsoft Video

# Type: REDCode Video
# URL:  http://www.red.com/ ; http://wiki.multimedia.cx/index.php?title=REDCode
# From: Mike Melanson <m...@multimedia.cx>
4       string  RED1    REDCode Video

# Type: MTV Multimedia File
# URL:  http://wiki.multimedia.cx/index.php?title=MTV
# From: Mike Melanson <m...@multimedia.cx>
0       string  AMVS    MTV Multimedia File

# Type: ARMovie
# URL:  http://wiki.multimedia.cx/index.php?title=ARMovie
# From: Mike Melanson <m...@multimedia.cx>
0       string  ARMovie\012     ARMovie

# Type: Interplay MVE Movie
# URL:  http://wiki.multimedia.cx/index.php?title=Interplay_MVE
# From: Mike Melanson <m...@multimedia.cx>
0       string  Interplay\040MVE\040File\032    Interplay MVE Movie

# Type: Windows Television DVR File
# URL:  http://wiki.multimedia.cx/index.php?title=WTV
# From: Mike Melanson <m...@mutlimedia.cx>
# This takes the form of a Windows-style GUID
0       bequad  0xB7D800203749DA11
>8      bequad  0xA64E0007E95EAD8D      Windows Television DVR Media

# Type: Sega FILM/CPK Multimedia
# URL:  http://wiki.multimedia.cx/index.php?title=Sega_FILM
# From: Mike Melanson <m...@multimedia.cx>
0       string  FILM    Sega FILM/CPK Multimedia,
>32     belong  x       %d x
>28     belong  x       %d

# Type: Nintendo THP Multimedia
# URL:  http://wiki.multimedia.cx/index.php?title=THP
# From: Mike Melanson <m...@multimedia.cx>
0       string  THP\0   Nintendo THP Multimedia

# Type: BBC Dirac Video
# URL:  http://wiki.multimedia.cx/index.php?title=Dirac
# From: Mike Melanson <m...@multimedia.cx>
0       string  BBCD    BBC Dirac Video

# Type: RAD Game Tools Smacker Multimedia
# URL:  http://wiki.multimedia.cx/index.php?title=Smacker
# From: Mike Melanson <m...@multimedia.cx>
0       string  SMK     RAD Game Tools Smacker Multimedia
>3      byte    x       version %c,
>4      lelong  x       %d x
>8      lelong  x       %d,
>12     lelong  x       %d frames

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