diff options
Diffstat (limited to 'magic/Magdir/riff')
| -rw-r--r-- | magic/Magdir/riff | 92 |
1 files changed, 71 insertions, 21 deletions
diff --git a/magic/Magdir/riff b/magic/Magdir/riff index b41d0bd..e551292 100644 --- a/magic/Magdir/riff +++ b/magic/Magdir/riff @@ -1,11 +1,71 @@ #------------------------------------------------------------------------------ -# $File: riff,v 1.23 2013/02/06 14:18:52 christos Exp $ +# $File: riff,v 1.30 2014/09/23 17:02:12 christos Exp $ # riff: file(1) magic for RIFF format # See # # http://www.seanet.com/users/matts/riffmci/riffmci.htm # + +# audio format tag. Assume limits: max 1024 bit, 128 channels, 1 MHz +0 name riff-wave +>0 leshort 1 \b, Microsoft PCM +>>14 leshort >0 +>>>14 leshort <1024 \b, %d bit +>0 leshort 2 \b, Microsoft ADPCM +>0 leshort 6 \b, ITU G.711 A-law +>0 leshort 7 \b, ITU G.711 mu-law +>0 leshort 8 \b, Microsoft DTS +>0 leshort 17 \b, IMA ADPCM +>0 leshort 20 \b, ITU G.723 ADPCM (Yamaha) +>0 leshort 49 \b, GSM 6.10 +>0 leshort 64 \b, ITU G.721 ADPCM +>0 leshort 80 \b, MPEG +>0 leshort 85 \b, MPEG Layer 3 +>0 leshort 0x2001 \b, DTS +>2 leshort =1 \b, mono +>2 leshort =2 \b, stereo +>2 leshort >2 +>>2 leshort <128 \b, %d channels +>4 lelong >0 +>>4 lelong <1000000 %d Hz + +# try to find "fmt " +0 name riff-walk +>0 string fmt\x20 +>>4 lelong <0x80 +>>>8 use riff-wave +>0 string LIST +>>&(4.l+4) use riff-walk +>0 string DISP +>>&(4.l+4) use riff-walk +>0 string bext +>>&(4.l+4) use riff-walk +>0 string Fake +>>&(4.l+4) use riff-walk +>0 string fact +>>&(4.l+4) use riff-walk +>0 string VP8 +>>11 byte 0x9d +>>>12 byte 0x01 +>>>>13 byte 0x2a \b, VP8 encoding +>>>>>14 leshort&0x3fff x \b, %d +>>>>>16 leshort&0x3fff x \bx%d, Scaling: +>>>>>14 leshort&0xc000 0x0000 \b [none] +>>>>>14 leshort&0xc000 0x1000 \b [5/4] +>>>>>14 leshort&0xc000 0x2000 \b [5/3] +>>>>>14 leshort&0xc000 0x3000 \b [2] +>>>>>14 leshort&0xc000 0x0000 \bx[none] +>>>>>14 leshort&0xc000 0x1000 \bx[5/4] +>>>>>14 leshort&0xc000 0x2000 \bx[5/3] +>>>>>14 leshort&0xc000 0x3000 \bx[2] +>>>>>15 byte&0x80 =0x00 \b, YUV color +>>>>>15 byte&0x80 =0x80 \b, bad color specification +>>>>>15 byte&0x40 =0x40 \b, no clamping required +>>>>>15 byte&0x40 =0x00 \b, decoders should clamp +#>0 string x we got %s +#>>&(4.l+4) use riff-walk + # AVI section extended by Patrik Radman <patrik+file-magic@iki.fi> # 0 string RIFF RIFF (little-endian) data @@ -35,33 +95,21 @@ # Microsoft WAVE format (*.wav) >8 string WAVE \b, WAVE audio !:mime audio/x-wav ->>20 leshort 1 \b, Microsoft PCM ->>>34 leshort >0 \b, %d bit ->>20 leshort 2 \b, Microsoft ADPCM ->>20 leshort 6 \b, ITU G.711 A-law ->>20 leshort 7 \b, ITU G.711 mu-law ->>20 leshort 8 \b, Microsoft DTS ->>20 leshort 17 \b, IMA ADPCM ->>20 leshort 20 \b, ITU G.723 ADPCM (Yamaha) ->>20 leshort 49 \b, GSM 6.10 ->>20 leshort 64 \b, ITU G.721 ADPCM ->>20 leshort 80 \b, MPEG ->>20 leshort 85 \b, MPEG Layer 3 ->>20 leshort 0x2001 \b, DTS ->>22 leshort =1 \b, mono ->>22 leshort =2 \b, stereo ->>22 leshort >2 \b, %d channels ->>24 lelong >0 %d Hz +>>12 string >\0 +>>>12 use riff-walk # Corel Draw Picture >8 string CDRA \b, Corel Draw Picture !:mime image/x-coreldraw +>8 string CDR6 \b, Corel Draw Picture, version 6 +!:mime image/x-coreldraw +>8 string NUNDROOT \b, Steinberg CuBase # AVI == Audio Video Interleave >8 string AVI\040 \b, AVI !:mime video/x-msvideo >>12 string LIST >>>20 string hdrlavih ->>>>&36 lelong x \b, %lu x ->>>>&40 lelong x %lu, +>>>>&36 lelong x \b, %u x +>>>>&40 lelong x %u, >>>>&4 lelong >1000000 <1 fps, >>>>&4 lelong 1000000 1.00 fps, >>>>&4 lelong 500000 2.00 fps, @@ -181,6 +229,8 @@ >8 string 4XMV \b, 4X Movie file # AMV-type AVI file: http://wiki.multimedia.cx/index.php?title=AMV >8 string AMV\040 \b, AMV +>8 string WEBP \b, Web/P image +>>12 use riff-walk # # XXX - some of the below may only appear in little-endian form. @@ -220,6 +270,7 @@ >>24 belong >0 %d Hz # Corel Draw Picture >8 string CDRA \b, Corel Draw Picture +>8 string CDR6 \b, Corel Draw Picture, version 6 # AVI == Audio Video Interleave >8 string AVI\040 \b, AVI # Animated Cursor format @@ -255,4 +306,3 @@ >>&6 leshort =2 \b, stereo >>&6 leshort >2 \b, %d channels >>&8 lelong >0 %d Hz - |