438 lines
16 KiB
Plaintext
438 lines
16 KiB
Plaintext
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#------------------------------------------------------------------------------
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# $File: riff,v 1.35 2020/06/05 17:15:03 christos Exp $
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# riff: file(1) magic for RIFF format
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# See
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#
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# https://www.seanet.com/users/matts/riffmci/riffmci.htm
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# http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/Docs/riffmci.pdf
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#
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# audio format tag. Assume limits: max 1024 bit, 128 channels, 1 MHz
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0 name riff-wave
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>0 leshort 1 \b, Microsoft PCM
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>>14 leshort >0
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>>>14 leshort <1024 \b, %d bit
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>0 leshort 2 \b, Microsoft ADPCM
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>0 leshort 6 \b, ITU G.711 A-law
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>0 leshort 7 \b, ITU G.711 mu-law
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>0 leshort 8 \b, Microsoft DTS
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>0 leshort 17 \b, IMA ADPCM
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>0 leshort 20 \b, ITU G.723 ADPCM (Yamaha)
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>0 leshort 49 \b, GSM 6.10
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>0 leshort 64 \b, ITU G.721 ADPCM
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>0 leshort 80 \b, MPEG
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>0 leshort 85 \b, MPEG Layer 3
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>0 leshort 0x2001 \b, DTS
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>2 leshort =1 \b, mono
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>2 leshort =2 \b, stereo
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>2 leshort >2
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>>2 leshort <128 \b, %d channels
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>4 lelong >0
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>>4 lelong <1000000 %d Hz
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# try to find "fmt "
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0 name riff-walk
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>0 string fmt\x20
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>>4 lelong <0x80
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>>>8 use riff-wave
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>0 string LIST
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>>&(4.l+4) use riff-walk
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>0 string DISP
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>>&(4.l+4) use riff-walk
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>0 string bext
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>>&(4.l+4) use riff-walk
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>0 string Fake
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>>&(4.l+4) use riff-walk
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>0 string fact
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>>&(4.l+4) use riff-walk
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>0 string VP8
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>>11 byte 0x9d
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>>>12 byte 0x01
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>>>>13 byte 0x2a \b, VP8 encoding
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>>>>>14 leshort&0x3fff x \b, %d
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>>>>>16 leshort&0x3fff x \bx%d, Scaling:
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>>>>>14 leshort&0xc000 0x0000 \b [none]
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>>>>>14 leshort&0xc000 0x1000 \b [5/4]
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>>>>>14 leshort&0xc000 0x2000 \b [5/3]
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>>>>>14 leshort&0xc000 0x3000 \b [2]
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>>>>>14 leshort&0xc000 0x0000 \bx[none]
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>>>>>14 leshort&0xc000 0x1000 \bx[5/4]
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>>>>>14 leshort&0xc000 0x2000 \bx[5/3]
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>>>>>14 leshort&0xc000 0x3000 \bx[2]
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>>>>>15 byte&0x80 =0x00 \b, YUV color
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>>>>>15 byte&0x80 =0x80 \b, bad color specification
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>>>>>15 byte&0x40 =0x40 \b, no clamping required
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>>>>>15 byte&0x40 =0x00 \b, decoders should clamp
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#>0 string x we got %s
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#>>&(4.l+4) use riff-walk
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# AVI section extended by Patrik Radman <patrik+file-magic@iki.fi>
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#
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0 string RIFF RIFF (little-endian) data
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# RIFF Palette format
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# Update: Joerg Jenderek
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# URL: https://en.wikipedia.org/wiki/Resource_Interchange_File_Format
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# Reference: https://worms2d.info/Palette_file
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>8 string PAL\ \b, palette
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!:mime application/x-riff
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# color palette by Microsoft Corporation
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!:ext pal
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# file size = chunk size + 8 in most cases
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>>4 ulelong+8 x \b, %u bytes
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# Extended PAL Format
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>>12 string plth \b, extended
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# Simple PAL Format
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>>12 string data
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# data chunk size = color entries * 4 + 4 + sometimes extra (4) appended bytes
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>>>16 ulelong x \b, data size %u
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# palVersion is always 0x0300
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#>>>20 leshort x \b, version 0x%4.4x
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# palNumEntries specifies the number of palette color entries
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>>>22 uleshort x \b, %u entries
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# after palPalEntry sized (number of color entries * 4 ) vector
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>>>(22.s*4) ubequad x
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# jump relative 22 ( 8 + 16) bytes forward points after end of file or to
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# appended extra bytes like in http://safecolours.rigdenage.com/set(ms).zip/Protan(MS).pal
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>>>>&16 ubelong x \b, extra bytes
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>>>>>&-4 ubelong >0 0x%8.8x
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# RIFF Device Independent Bitmap format
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>8 string RDIB \b, device-independent bitmap
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>>16 string BM
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>>>30 leshort 12 \b, OS/2 1.x format
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>>>>34 leshort x \b, %d x
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>>>>36 leshort x %d
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>>>30 leshort 64 \b, OS/2 2.x format
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>>>>34 leshort x \b, %d x
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>>>>36 leshort x %d
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>>>30 leshort 40 \b, Windows 3.x format
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>>>>34 lelong x \b, %d x
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>>>>38 lelong x %d x
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>>>>44 leshort x %d
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# RIFF MIDI format
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>8 string RMID \b, MIDI
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# RIFF Multimedia Movie File format
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>8 string RMMP \b, multimedia movie
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# RIFF wrapper for MP3
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>8 string RMP3 \b, MPEG Layer 3 audio
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# Microsoft WAVE format (*.wav)
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>8 string WAVE \b, WAVE audio
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!:mime audio/x-wav
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>>12 string >\0
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>>>12 use riff-walk
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# Update: Joerg Jenderek
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# lower case for Corel Draw version 8 Bidi
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>8 string/c cdr
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# skip Corel CCX Clipart
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>>8 string !CDRXcont
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# Corel Draw Picture
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>>>0 use corel-draw
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# URL: http://fileformats.archiveteam.org/wiki/CCX_(Corel)
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# Reference: http://mark0.net/download/triddefs_xml.7z/defs/c/ccx-corel.trid.xml
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>>8 string =CDRXcont \b, Corel Clipart
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!:mime application/x-corel-ccx
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!:ext ccx
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# 3rd chunk data {Corel\040Binary\040Meta\040File}
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#>>>20 string x \b, 3rd '%-s'
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>>>4 ulelong+8 x \b, %u bytes
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# From: Joerg Jenderek
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# URL: https://en.wikipedia.org/wiki/CorelDRAW
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# Reference: http://fileformats.archiveteam.org/wiki/CorelDRAW
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# Picture templates created by newer software start with RIFF type CDT
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>8 string CDT
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>>0 use corel-draw
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# Picture templates with version 4.4
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>8 string CDST
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>>0 use corel-draw
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# pattern created by newer software start with RIFF type PAT
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>8 string PAT
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>>0 use corel-draw
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>8 string NUNDROOT \b, Steinberg CuBase
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# AVI == Audio Video Interleave
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>8 string AVI\040 \b, AVI
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!:mime video/x-msvideo
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>>12 string LIST
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>>>20 string hdrlavih
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>>>>&36 lelong x \b, %u x
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>>>>&40 lelong x %u,
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>>>>&4 lelong >1000000 <1 fps,
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>>>>&4 lelong 1000000 1.00 fps,
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>>>>&4 lelong 500000 2.00 fps,
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>>>>&4 lelong 333333 3.00 fps,
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>>>>&4 lelong 250000 4.00 fps,
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>>>>&4 lelong 200000 5.00 fps,
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>>>>&4 lelong 166667 6.00 fps,
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>>>>&4 lelong 142857 7.00 fps,
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>>>>&4 lelong 125000 8.00 fps,
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>>>>&4 lelong 111111 9.00 fps,
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>>>>&4 lelong 100000 10.00 fps,
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# ]9.9,10.1[
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>>>>&4 lelong <101010
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>>>>>&-4 lelong >99010
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>>>>>>&-4 lelong !100000 ~10 fps,
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>>>>&4 lelong 83333 12.00 fps,
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# ]11.9,12.1[
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>>>>&4 lelong <84034
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>>>>>&-4 lelong >82645
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>>>>>>&-4 lelong !83333 ~12 fps,
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>>>>&4 lelong 66667 15.00 fps,
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# ]14.9,15.1[
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>>>>&4 lelong <67114
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>>>>>&-4 lelong >66225
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>>>>>>&-4 lelong !66667 ~15 fps,
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>>>>&4 lelong 50000 20.00 fps,
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>>>>&4 lelong 41708 23.98 fps,
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>>>>&4 lelong 41667 24.00 fps,
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# ]23.9,24.1[
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>>>>&4 lelong <41841
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>>>>>&-4 lelong >41494
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>>>>>>&-4 lelong !41708
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>>>>>>>&-4 lelong !41667 ~24 fps,
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>>>>&4 lelong 40000 25.00 fps,
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# ]24.9,25.1[
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>>>>&4 lelong <40161
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>>>>>&-4 lelong >39841
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>>>>>>&-4 lelong !40000 ~25 fps,
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>>>>&4 lelong 33367 29.97 fps,
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>>>>&4 lelong 33333 30.00 fps,
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# ]29.9,30.1[
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>>>>&4 lelong <33445
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>>>>>&-4 lelong >33223
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>>>>>>&-4 lelong !33367
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>>>>>>>&-4 lelong !33333 ~30 fps,
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>>>>&4 lelong <32224 >30 fps,
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##>>>>&4 lelong x (%lu)
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##>>>>&20 lelong x %lu frames,
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# Note: The tests below assume that the AVI has 1 or 2 streams,
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# "vids" optionally followed by "auds".
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# (Should cover 99.9% of all AVIs.)
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# assuming avih length = 56
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>>>88 string LIST
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>>>>96 string strlstrh
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>>>>>108 string vids video:
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>>>>>>&0 lelong 0 uncompressed
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# skip past vids strh
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>>>>>>(104.l+108) string strf
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>>>>>>>(104.l+132) lelong 1 RLE 8bpp
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>>>>>>>(104.l+132) string/c cvid Cinepak
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>>>>>>>(104.l+132) string/c i263 Intel I.263
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>>>>>>>(104.l+132) string/c iv32 Indeo 3.2
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>>>>>>>(104.l+132) string/c iv41 Indeo 4.1
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>>>>>>>(104.l+132) string/c iv50 Indeo 5.0
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>>>>>>>(104.l+132) string/c mp42 Microsoft MPEG-4 v2
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>>>>>>>(104.l+132) string/c mp43 Microsoft MPEG-4 v3
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>>>>>>>(104.l+132) string/c fmp4 FFMpeg MPEG-4
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>>>>>>>(104.l+132) string/c mjpg Motion JPEG
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>>>>>>>(104.l+132) string/c div3 DivX 3
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>>>>>>>>112 string/c div3 Low-Motion
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>>>>>>>>112 string/c div4 Fast-Motion
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>>>>>>>(104.l+132) string/c divx DivX 4
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>>>>>>>(104.l+132) string/c dx50 DivX 5
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>>>>>>>(104.l+132) string/c xvid XviD
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>>>>>>>(104.l+132) string/c h264 H.264
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>>>>>>>(104.l+132) string/c wmv3 Windows Media Video 9
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>>>>>>>(104.l+132) string/c h264 X.264 or H.264
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>>>>>>>(104.l+132) lelong 0
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##>>>>>>>(104.l+132) string x (%.4s)
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# skip past first (video) LIST
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>>>>(92.l+96) string LIST
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>>>>>(92.l+104) string strlstrh
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>>>>>>(92.l+116) string auds \b, audio:
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# auds strh length = 56:
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>>>>>>>(92.l+172) string strf
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>>>>>>>>(92.l+180) leshort 0x0001 uncompressed PCM
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>>>>>>>>(92.l+180) leshort 0x0002 ADPCM
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>>>>>>>>(92.l+180) leshort 0x0006 aLaw
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>>>>>>>>(92.l+180) leshort 0x0007 uLaw
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>>>>>>>>(92.l+180) leshort 0x0050 MPEG-1 Layer 1 or 2
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>>>>>>>>(92.l+180) leshort 0x0055 MPEG-1 Layer 3
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>>>>>>>>(92.l+180) leshort 0x2000 Dolby AC3
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>>>>>>>>(92.l+180) leshort 0x0161 DivX
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##>>>>>>>>(92.l+180) leshort x (0x%.4x)
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>>>>>>>>(92.l+182) leshort 1 (mono,
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>>>>>>>>(92.l+182) leshort 2 (stereo,
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>>>>>>>>(92.l+182) leshort >2 (%d channels,
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>>>>>>>>(92.l+184) lelong x %d Hz)
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# auds strh length = 64:
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>>>>>>>(92.l+180) string strf
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>>>>>>>>(92.l+188) leshort 0x0001 uncompressed PCM
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>>>>>>>>(92.l+188) leshort 0x0002 ADPCM
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>>>>>>>>(92.l+188) leshort 0x0055 MPEG-1 Layer 3
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>>>>>>>>(92.l+188) leshort 0x2000 Dolby AC3
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>>>>>>>>(92.l+188) leshort 0x0161 DivX
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##>>>>>>>>(92.l+188) leshort x (0x%.4x)
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>>>>>>>>(92.l+190) leshort 1 (mono,
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>>>>>>>>(92.l+190) leshort 2 (stereo,
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>>>>>>>>(92.l+190) leshort >2 (%d channels,
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>>>>>>>>(92.l+192) lelong x %d Hz)
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# Animated Cursor format
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>8 string ACON \b, animated cursor
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# SoundFont 2 <mpruett@sgi.com>
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>8 string sfbk SoundFont/Bank
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# MPEG-1 wrapped in a RIFF, apparently
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>8 string CDXA \b, wrapped MPEG-1 (CDXA)
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>8 string 4XMV \b, 4X Movie file
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# AMV-type AVI file: https://wiki.multimedia.cx/index.php?title=AMV
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>8 string AMV\040 \b, AMV
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>8 string WEBP \b, Web/P image
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!:mime image/webp
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>>12 use riff-walk
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# From: Joerg Jenderek
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# URL: https://en.wikipedia.org/wiki/CorelDRAW
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# Reference: http://fileformats.archiveteam.org/wiki/CorelDRAW
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# Note: Since version 3 CorelDraw Pictures are RIFF based
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# but data chunks remain proprietary.
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# Since version 14 til 15 packed as "content/riffData.cdr" and
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# since 16 "content/root.dat" in ZIP container
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# TODO: distinguish templates with version 12.5 from Designer illustration 12
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# display information of RIFF based Corel Draw pictures, templates and patterns
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0 name corel-draw
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# display second chunk for debugging
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#>8 string x \b, [8]=%.8s
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>0 string x \b, Corel Draw
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#!:mime image/x-coreldraw
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!:mime application/vnd.corel-draw
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# used by newer pictures templates
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>>8 string CDT
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# used by templates with newer versions since 16
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>>>12 string =fver Picture template (root.dat)
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!:ext dat
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# used by templates with older versions with vrsn tag
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>>>12 string !fver
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# used by templates with older versions 14-15
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>>>>11 string >E Picture template (riffData.cdr)
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!:ext cdr
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# used by templates with older versions 11-13
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>>>>11 string <F Picture template
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!:ext cdt/cdrt
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# used by older templates with version 4.4
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>>8 string CDST Picture template
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!:ext cdt
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# used by templates with version 12.5
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>>8 string DESC Picture template
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!:ext cdt
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# used by newer patterns with version 22
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>>8 string PAT Pattern
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!:ext dat
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# remaining older templates, patterns, drawings
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>>8 default x
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# pattern with old version 4.y
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>>>26 ulelong =0x0000206C Pattern
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!:ext pat
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# pattern with newer versions
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>>>26 ulelong =0x00000D2C Pattern
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!:ext pat
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# remaining older templates or pictures
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>>>26 default x
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# used by older versions 5 - 15
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>>>>12 string =vrsn
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# 4th chunk size unequal 282Ch only found for CDR
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>>>>>26 ulelong !0x0000282c Picture
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!:ext cdr
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>>>>>26 default x Picture or template
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!:ext cdr/cdt
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# used by newer versions since 16
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>>>>12 string =fver Picture (root.dat)
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!:ext dat
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# version marked by 1 ASCII char: space~3, ... , F~15, ... , N~22, ... R~22 template
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>11 string x \b, version
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>11 string >\040 '%-.1s'
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>0 use corel-version
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>4 ulelong+8 x \b, %u bytes
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#
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# display numeric version of RIFF based Corel after 3rd RIFF tag
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0 name corel-version
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# for debugging purpose; vrsn for short content; fver for 16 byte size
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#>12 string x \b, TAG "%-4.4s"
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# 1st data chunk length 2 implies short content version
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>16 ulelong 2
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# vrsn chunk short content interpreted by MajorVersion * 100 + MinorVersion
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>>20 uleshort/100 x %u
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>>20 uleshort%100 >0 \b.%u
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# for debugging purpose display next chunk like: DISP LIST
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#>>22 string x \b, 4th "%-4.4s"
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#>>26 ulelong x \b, 4th SIZE 0x%x
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# for debugging purpose display 5th chunk like: LIST DISP ccmm osfp
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#>>(26.l+30) string x \b, 5th "%-4.4s"
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# 1st data chunk length 10h implies 16 byte content with version info
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>16 ulelong 0x10
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>>34 ubyte x %u
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>>>33 ubyte >0 \b.%u
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#
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# XXX - some of the below may only appear in little-endian form.
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#
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# Also "MV93" appears to be for one form of Macromedia Director
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# files, and "GDMF" appears to be another multimedia format.
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#
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0 string RIFX RIFF (big-endian) data
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# RIFF Palette format
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>8 string PAL \b, palette
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>>16 beshort x \b, version %d
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>>18 beshort x \b, %d entries
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# RIFF Device Independent Bitmap format
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>8 string RDIB \b, device-independent bitmap
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>>16 string BM
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>>>30 beshort 12 \b, OS/2 1.x format
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>>>>34 beshort x \b, %d x
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>>>>36 beshort x %d
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>>>30 beshort 64 \b, OS/2 2.x format
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>>>>34 beshort x \b, %d x
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>>>>36 beshort x %d
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>>>30 beshort 40 \b, Windows 3.x format
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>>>>34 belong x \b, %d x
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>>>>38 belong x %d x
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>>>>44 beshort x %d
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# RIFF MIDI format
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>8 string RMID \b, MIDI
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# RIFF Multimedia Movie File format
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>8 string RMMP \b, multimedia movie
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# Microsoft WAVE format (*.wav)
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>8 string WAVE \b, WAVE audio
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>>20 leshort 1 \b, Microsoft PCM
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>>>34 leshort >0 \b, %d bit
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>>22 beshort =1 \b, mono
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>>22 beshort =2 \b, stereo
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>>22 beshort >2 \b, %d channels
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>>24 belong >0 %d Hz
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# Corel Draw Picture big endian not tested by real examples
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#>8 string CDRA \b, Corel Draw Picture
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#>8 string CDR6 \b, Corel Draw Picture, version 6
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>8 string CDR
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>>0 use \^corel-draw
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# AVI == Audio Video Interleave
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>8 string AVI\040 \b, AVI
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# Animated Cursor format
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>8 string ACON \b, animated cursor
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# Notation Interchange File Format (big-endian only)
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>8 string NIFF \b, Notation Interchange File Format
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# SoundFont 2 <mpruett@sgi.com>
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>8 string sfbk SoundFont/Bank
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#------------------------------------------------------------------------------
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# Sony Wave64
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# see http://www.vcs.de/fileadmin/user_upload/MBS/PDF/Whitepaper/Informations_about_Sony_Wave64.pdf
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# 128 bit RIFF-GUID { 66666972-912E-11CF-A5D6-28DB04C10000 } in little-endian
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0 string riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00 Sony Wave64 RIFF data
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# 128 bit + total file size (64 bits) so 24 bytes
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# then WAVE-GUID { 65766177-ACF3-11D3-8CD1-00C04F8EDB8A }
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>24 string wave\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A \b, WAVE 64 audio
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!:mime audio/x-w64
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# FMT-GUID { 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A }
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>>40 search/256 fmt\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A \b
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>>>&10 leshort =1 \b, mono
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>>>&10 leshort =2 \b, stereo
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>>>&10 leshort >2 \b, %d channels
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>>>&12 lelong >0 %d Hz
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#------------------------------------------------------------------------------
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# MBWF/RF64
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# see EBU TECH 3306 https://tech.ebu.ch/docs/tech/tech3306-2009.pdf
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0 string RF64\xff\xff\xff\xffWAVEds64 MBWF/RF64 audio
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!:mime audio/x-wav
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>40 search/256 fmt\x20 \b
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>>&6 leshort =1 \b, mono
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>>&6 leshort =2 \b, stereo
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>>&6 leshort >2 \b, %d channels
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>>&8 lelong >0 %d Hz
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