1 2#------------------------------------------------------------------------------ 3# $File: riff,v 1.22 2011/09/06 11:00:06 christos Exp $ 4# riff: file(1) magic for RIFF format 5# See 6# 7# http://www.seanet.com/users/matts/riffmci/riffmci.htm 8# 9# AVI section extended by Patrik R�dman <patrik+file-magic@iki.fi> 10# 110 string RIFF RIFF (little-endian) data 12# RIFF Palette format 13>8 string PAL \b, palette 14>>16 leshort x \b, version %d 15>>18 leshort x \b, %d entries 16# RIFF Device Independent Bitmap format 17>8 string RDIB \b, device-independent bitmap 18>>16 string BM 19>>>30 leshort 12 \b, OS/2 1.x format 20>>>>34 leshort x \b, %d x 21>>>>36 leshort x %d 22>>>30 leshort 64 \b, OS/2 2.x format 23>>>>34 leshort x \b, %d x 24>>>>36 leshort x %d 25>>>30 leshort 40 \b, Windows 3.x format 26>>>>34 lelong x \b, %d x 27>>>>38 lelong x %d x 28>>>>44 leshort x %d 29# RIFF MIDI format 30>8 string RMID \b, MIDI 31# RIFF Multimedia Movie File format 32>8 string RMMP \b, multimedia movie 33# RIFF wrapper for MP3 34>8 string RMP3 \b, MPEG Layer 3 audio 35# Microsoft WAVE format (*.wav) 36>8 string WAVE \b, WAVE audio 37!:mime audio/x-wav 38>>20 leshort 1 \b, Microsoft PCM 39>>>34 leshort >0 \b, %d bit 40>>20 leshort 2 \b, Microsoft ADPCM 41>>20 leshort 6 \b, ITU G.711 A-law 42>>20 leshort 7 \b, ITU G.711 mu-law 43>>20 leshort 8 \b, Microsoft DTS 44>>20 leshort 17 \b, IMA ADPCM 45>>20 leshort 20 \b, ITU G.723 ADPCM (Yamaha) 46>>20 leshort 49 \b, GSM 6.10 47>>20 leshort 64 \b, ITU G.721 ADPCM 48>>20 leshort 80 \b, MPEG 49>>20 leshort 85 \b, MPEG Layer 3 50>>20 leshort 0x2001 \b, DTS 51>>22 leshort =1 \b, mono 52>>22 leshort =2 \b, stereo 53>>22 leshort >2 \b, %d channels 54>>24 lelong >0 %d Hz 55# Corel Draw Picture 56>8 string CDRA \b, Corel Draw Picture 57!:mime image/x-coreldraw 58# AVI == Audio Video Interleave 59>8 string AVI\040 \b, AVI 60!:mime video/x-msvideo 61>>12 string LIST 62>>>20 string hdrlavih 63>>>>&36 lelong x \b, %lu x 64>>>>&40 lelong x %lu, 65>>>>&4 lelong >1000000 <1 fps, 66>>>>&4 lelong 1000000 1.00 fps, 67>>>>&4 lelong 500000 2.00 fps, 68>>>>&4 lelong 333333 3.00 fps, 69>>>>&4 lelong 250000 4.00 fps, 70>>>>&4 lelong 200000 5.00 fps, 71>>>>&4 lelong 166667 6.00 fps, 72>>>>&4 lelong 142857 7.00 fps, 73>>>>&4 lelong 125000 8.00 fps, 74>>>>&4 lelong 111111 9.00 fps, 75>>>>&4 lelong 100000 10.00 fps, 76# ]9.9,10.1[ 77>>>>&4 lelong <101010 78>>>>>&-4 lelong >99010 79>>>>>>&-4 lelong !100000 ~10 fps, 80>>>>&4 lelong 83333 12.00 fps, 81# ]11.9,12.1[ 82>>>>&4 lelong <84034 83>>>>>&-4 lelong >82645 84>>>>>>&-4 lelong !83333 ~12 fps, 85>>>>&4 lelong 66667 15.00 fps, 86# ]14.9,15.1[ 87>>>>&4 lelong <67114 88>>>>>&-4 lelong >66225 89>>>>>>&-4 lelong !66667 ~15 fps, 90>>>>&4 lelong 50000 20.00 fps, 91>>>>&4 lelong 41708 23.98 fps, 92>>>>&4 lelong 41667 24.00 fps, 93# ]23.9,24.1[ 94>>>>&4 lelong <41841 95>>>>>&-4 lelong >41494 96>>>>>>&-4 lelong !41708 97>>>>>>>&-4 lelong !41667 ~24 fps, 98>>>>&4 lelong 40000 25.00 fps, 99# ]24.9,25.1[ 100>>>>&4 lelong <40161 101>>>>>&-4 lelong >39841 102>>>>>>&-4 lelong !40000 ~25 fps, 103>>>>&4 lelong 33367 29.97 fps, 104>>>>&4 lelong 33333 30.00 fps, 105# ]29.9,30.1[ 106>>>>&4 lelong <33445 107>>>>>&-4 lelong >33223 108>>>>>>&-4 lelong !33367 109>>>>>>>&-4 lelong !33333 ~30 fps, 110>>>>&4 lelong <32224 >30 fps, 111##>>>>&4 lelong x (%lu) 112##>>>>&20 lelong x %lu frames, 113# Note: The tests below assume that the AVI has 1 or 2 streams, 114# "vids" optionally followed by "auds". 115# (Should cover 99.9% of all AVIs.) 116# assuming avih length = 56 117>>>88 string LIST 118>>>>96 string strlstrh 119>>>>>108 string vids video: 120>>>>>>&0 lelong 0 uncompressed 121# skip past vids strh 122>>>>>>(104.l+108) string strf 123>>>>>>>(104.l+132) lelong 1 RLE 8bpp 124>>>>>>>(104.l+132) string/c cvid Cinepak 125>>>>>>>(104.l+132) string/c i263 Intel I.263 126>>>>>>>(104.l+132) string/c iv32 Indeo 3.2 127>>>>>>>(104.l+132) string/c iv41 Indeo 4.1 128>>>>>>>(104.l+132) string/c iv50 Indeo 5.0 129>>>>>>>(104.l+132) string/c mp42 Microsoft MPEG-4 v2 130>>>>>>>(104.l+132) string/c mp43 Microsoft MPEG-4 v3 131>>>>>>>(104.l+132) string/c fmp4 FFMpeg MPEG-4 132>>>>>>>(104.l+132) string/c mjpg Motion JPEG 133>>>>>>>(104.l+132) string/c div3 DivX 3 134>>>>>>>>112 string/c div3 Low-Motion 135>>>>>>>>112 string/c div4 Fast-Motion 136>>>>>>>(104.l+132) string/c divx DivX 4 137>>>>>>>(104.l+132) string/c dx50 DivX 5 138>>>>>>>(104.l+132) string/c xvid XviD 139>>>>>>>(104.l+132) string/c h264 H.264 140>>>>>>>(104.l+132) string/c wmv3 Windows Media Video 9 141>>>>>>>(104.l+132) string/c h264 X.264 or H.264 142>>>>>>>(104.l+132) lelong 0 143##>>>>>>>(104.l+132) string x (%.4s) 144# skip past first (video) LIST 145>>>>(92.l+96) string LIST 146>>>>>(92.l+104) string strlstrh 147>>>>>>(92.l+116) string auds \b, audio: 148# auds strh length = 56: 149>>>>>>>(92.l+172) string strf 150>>>>>>>>(92.l+180) leshort 0x0001 uncompressed PCM 151>>>>>>>>(92.l+180) leshort 0x0002 ADPCM 152>>>>>>>>(92.l+180) leshort 0x0006 aLaw 153>>>>>>>>(92.l+180) leshort 0x0007 uLaw 154>>>>>>>>(92.l+180) leshort 0x0050 MPEG-1 Layer 1 or 2 155>>>>>>>>(92.l+180) leshort 0x0055 MPEG-1 Layer 3 156>>>>>>>>(92.l+180) leshort 0x2000 Dolby AC3 157>>>>>>>>(92.l+180) leshort 0x0161 DivX 158##>>>>>>>>(92.l+180) leshort x (0x%.4x) 159>>>>>>>>(92.l+182) leshort 1 (mono, 160>>>>>>>>(92.l+182) leshort 2 (stereo, 161>>>>>>>>(92.l+182) leshort >2 (%d channels, 162>>>>>>>>(92.l+184) lelong x %d Hz) 163# auds strh length = 64: 164>>>>>>>(92.l+180) string strf 165>>>>>>>>(92.l+188) leshort 0x0001 uncompressed PCM 166>>>>>>>>(92.l+188) leshort 0x0002 ADPCM 167>>>>>>>>(92.l+188) leshort 0x0055 MPEG-1 Layer 3 168>>>>>>>>(92.l+188) leshort 0x2000 Dolby AC3 169>>>>>>>>(92.l+188) leshort 0x0161 DivX 170##>>>>>>>>(92.l+188) leshort x (0x%.4x) 171>>>>>>>>(92.l+190) leshort 1 (mono, 172>>>>>>>>(92.l+190) leshort 2 (stereo, 173>>>>>>>>(92.l+190) leshort >2 (%d channels, 174>>>>>>>>(92.l+192) lelong x %d Hz) 175# Animated Cursor format 176>8 string ACON \b, animated cursor 177# SoundFont 2 <mpruett@sgi.com> 178>8 string sfbk SoundFont/Bank 179# MPEG-1 wrapped in a RIFF, apparently 180>8 string CDXA \b, wrapped MPEG-1 (CDXA) 181>8 string 4XMV \b, 4X Movie file 182# AMV-type AVI file: http://wiki.multimedia.cx/index.php?title=AMV 183>8 string AMV\040 \b, AMV 184 185# 186# XXX - some of the below may only appear in little-endian form. 187# 188# Also "MV93" appears to be for one form of Macromedia Director 189# files, and "GDMF" appears to be another multimedia format. 190# 1910 string RIFX RIFF (big-endian) data 192# RIFF Palette format 193>8 string PAL \b, palette 194>>16 beshort x \b, version %d 195>>18 beshort x \b, %d entries 196# RIFF Device Independent Bitmap format 197>8 string RDIB \b, device-independent bitmap 198>>16 string BM 199>>>30 beshort 12 \b, OS/2 1.x format 200>>>>34 beshort x \b, %d x 201>>>>36 beshort x %d 202>>>30 beshort 64 \b, OS/2 2.x format 203>>>>34 beshort x \b, %d x 204>>>>36 beshort x %d 205>>>30 beshort 40 \b, Windows 3.x format 206>>>>34 belong x \b, %d x 207>>>>38 belong x %d x 208>>>>44 beshort x %d 209# RIFF MIDI format 210>8 string RMID \b, MIDI 211# RIFF Multimedia Movie File format 212>8 string RMMP \b, multimedia movie 213# Microsoft WAVE format (*.wav) 214>8 string WAVE \b, WAVE audio 215>>20 leshort 1 \b, Microsoft PCM 216>>>34 leshort >0 \b, %d bit 217>>22 beshort =1 \b, mono 218>>22 beshort =2 \b, stereo 219>>22 beshort >2 \b, %d channels 220>>24 belong >0 %d Hz 221# Corel Draw Picture 222>8 string CDRA \b, Corel Draw Picture 223# AVI == Audio Video Interleave 224>8 string AVI\040 \b, AVI 225# Animated Cursor format 226>8 string ACON \b, animated cursor 227# Notation Interchange File Format (big-endian only) 228>8 string NIFF \b, Notation Interchange File Format 229# SoundFont 2 <mpruett@sgi.com> 230>8 string sfbk SoundFont/Bank 231 232#------------------------------------------------------------------------------ 233# Sony Wave64 234# see http://www.vcs.de/fileadmin/user_upload/MBS/PDF/Whitepaper/Informations_about_Sony_Wave64.pdf 235# 128 bit RIFF-GUID { 66666972-912E-11CF-A5D6-28DB04C10000 } in little-endian 2360 string riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00 Sony Wave64 RIFF data 237# 128 bit + total file size (64 bits) so 24 bytes 238# then WAVE-GUID { 65766177-ACF3-11D3-8CD1-00C04F8EDB8A } 239>24 string wave\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A \b, WAVE 64 audio 240!:mime audio/x-w64 241# FMT-GUID { 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A } 242>>40 search/256 fmt\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A \b 243>>>&10 leshort =1 \b, mono 244>>>&10 leshort =2 \b, stereo 245>>>&10 leshort >2 \b, %d channels 246>>>&12 lelong >0 %d Hz 247 248#------------------------------------------------------------------------------ 249# MBWF/RF64 250# see EBU � TECH 3306 http://tech.ebu.ch/docs/tech/tech3306-2009.pdf 2510 string RF64\xff\xff\xff\xffWAVEds64 MBWF/RF64 audio 252!:mime audio/x-wav 253>40 search/256 fmt\x20 \b 254>>&6 leshort =1 \b, mono 255>>&6 leshort =2 \b, stereo 256>>&6 leshort >2 \b, %d channels 257>>&8 lelong >0 %d Hz 258 259