1 2#------------------------------------------------------------------------------ 3# $File: riff,v 1.35 2020/06/05 17:15:03 christos Exp $ 4# riff: file(1) magic for RIFF format 5# See 6# 7# https://www.seanet.com/users/matts/riffmci/riffmci.htm 8# http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/Docs/riffmci.pdf 9# 10 11# audio format tag. Assume limits: max 1024 bit, 128 channels, 1 MHz 120 name riff-wave 13>0 leshort 1 \b, Microsoft PCM 14>>14 leshort >0 15>>>14 leshort <1024 \b, %d bit 16>0 leshort 2 \b, Microsoft ADPCM 17>0 leshort 6 \b, ITU G.711 A-law 18>0 leshort 7 \b, ITU G.711 mu-law 19>0 leshort 8 \b, Microsoft DTS 20>0 leshort 17 \b, IMA ADPCM 21>0 leshort 20 \b, ITU G.723 ADPCM (Yamaha) 22>0 leshort 49 \b, GSM 6.10 23>0 leshort 64 \b, ITU G.721 ADPCM 24>0 leshort 80 \b, MPEG 25>0 leshort 85 \b, MPEG Layer 3 26>0 leshort 0x2001 \b, DTS 27>2 leshort =1 \b, mono 28>2 leshort =2 \b, stereo 29>2 leshort >2 30>>2 leshort <128 \b, %d channels 31>4 lelong >0 32>>4 lelong <1000000 %d Hz 33 34# try to find "fmt " 350 name riff-walk 36>0 string fmt\x20 37>>4 lelong <0x80 38>>>8 use riff-wave 39>0 string LIST 40>>&(4.l+4) use riff-walk 41>0 string DISP 42>>&(4.l+4) use riff-walk 43>0 string bext 44>>&(4.l+4) use riff-walk 45>0 string Fake 46>>&(4.l+4) use riff-walk 47>0 string fact 48>>&(4.l+4) use riff-walk 49>0 string VP8 50>>11 byte 0x9d 51>>>12 byte 0x01 52>>>>13 byte 0x2a \b, VP8 encoding 53>>>>>14 leshort&0x3fff x \b, %d 54>>>>>16 leshort&0x3fff x \bx%d, Scaling: 55>>>>>14 leshort&0xc000 0x0000 \b [none] 56>>>>>14 leshort&0xc000 0x1000 \b [5/4] 57>>>>>14 leshort&0xc000 0x2000 \b [5/3] 58>>>>>14 leshort&0xc000 0x3000 \b [2] 59>>>>>14 leshort&0xc000 0x0000 \bx[none] 60>>>>>14 leshort&0xc000 0x1000 \bx[5/4] 61>>>>>14 leshort&0xc000 0x2000 \bx[5/3] 62>>>>>14 leshort&0xc000 0x3000 \bx[2] 63>>>>>15 byte&0x80 =0x00 \b, YUV color 64>>>>>15 byte&0x80 =0x80 \b, bad color specification 65>>>>>15 byte&0x40 =0x40 \b, no clamping required 66>>>>>15 byte&0x40 =0x00 \b, decoders should clamp 67#>0 string x we got %s 68#>>&(4.l+4) use riff-walk 69 70# AVI section extended by Patrik Radman <patrik+file-magic@iki.fi> 71# 720 string RIFF RIFF (little-endian) data 73# RIFF Palette format 74# Update: Joerg Jenderek 75# URL: https://en.wikipedia.org/wiki/Resource_Interchange_File_Format 76# Reference: https://worms2d.info/Palette_file 77>8 string PAL\ \b, palette 78!:mime application/x-riff 79# color palette by Microsoft Corporation 80!:ext pal 81# file size = chunk size + 8 in most cases 82>>4 ulelong+8 x \b, %u bytes 83# Extended PAL Format 84>>12 string plth \b, extended 85# Simple PAL Format 86>>12 string data 87# data chunk size = color entries * 4 + 4 + sometimes extra (4) appended bytes 88>>>16 ulelong x \b, data size %u 89# palVersion is always 0x0300 90#>>>20 leshort x \b, version 0x%4.4x 91# palNumEntries specifies the number of palette color entries 92>>>22 uleshort x \b, %u entries 93# after palPalEntry sized (number of color entries * 4 ) vector 94>>>(22.s*4) ubequad x 95# jump relative 22 ( 8 + 16) bytes forward points after end of file or to 96# appended extra bytes like in http://safecolours.rigdenage.com/set(ms).zip/Protan(MS).pal 97>>>>&16 ubelong x \b, extra bytes 98>>>>>&-4 ubelong >0 0x%8.8x 99# RIFF Device Independent Bitmap format 100>8 string RDIB \b, device-independent bitmap 101>>16 string BM 102>>>30 leshort 12 \b, OS/2 1.x format 103>>>>34 leshort x \b, %d x 104>>>>36 leshort x %d 105>>>30 leshort 64 \b, OS/2 2.x format 106>>>>34 leshort x \b, %d x 107>>>>36 leshort x %d 108>>>30 leshort 40 \b, Windows 3.x format 109>>>>34 lelong x \b, %d x 110>>>>38 lelong x %d x 111>>>>44 leshort x %d 112# RIFF MIDI format 113>8 string RMID \b, MIDI 114# RIFF Multimedia Movie File format 115>8 string RMMP \b, multimedia movie 116# RIFF wrapper for MP3 117>8 string RMP3 \b, MPEG Layer 3 audio 118# Microsoft WAVE format (*.wav) 119>8 string WAVE \b, WAVE audio 120!:mime audio/x-wav 121>>12 string >\0 122>>>12 use riff-walk 123# Update: Joerg Jenderek 124# lower case for Corel Draw version 8 Bidi 125>8 string/c cdr 126# skip Corel CCX Clipart 127>>8 string !CDRXcont 128# Corel Draw Picture 129>>>0 use corel-draw 130# URL: http://fileformats.archiveteam.org/wiki/CCX_(Corel) 131# Reference: http://mark0.net/download/triddefs_xml.7z/defs/c/ccx-corel.trid.xml 132>>8 string =CDRXcont \b, Corel Clipart 133!:mime application/x-corel-ccx 134!:ext ccx 135# 3rd chunk data {Corel\040Binary\040Meta\040File} 136#>>>20 string x \b, 3rd '%-s' 137>>>4 ulelong+8 x \b, %u bytes 138# From: Joerg Jenderek 139# URL: https://en.wikipedia.org/wiki/CorelDRAW 140# Reference: http://fileformats.archiveteam.org/wiki/CorelDRAW 141# Picture templates created by newer software start with RIFF type CDT 142>8 string CDT 143>>0 use corel-draw 144# Picture templates with version 4.4 145>8 string CDST 146>>0 use corel-draw 147# pattern created by newer software start with RIFF type PAT 148>8 string PAT 149>>0 use corel-draw 150>8 string NUNDROOT \b, Steinberg CuBase 151# AVI == Audio Video Interleave 152>8 string AVI\040 \b, AVI 153!:mime video/x-msvideo 154>>12 string LIST 155>>>20 string hdrlavih 156>>>>&36 lelong x \b, %u x 157>>>>&40 lelong x %u, 158>>>>&4 lelong >1000000 <1 fps, 159>>>>&4 lelong 1000000 1.00 fps, 160>>>>&4 lelong 500000 2.00 fps, 161>>>>&4 lelong 333333 3.00 fps, 162>>>>&4 lelong 250000 4.00 fps, 163>>>>&4 lelong 200000 5.00 fps, 164>>>>&4 lelong 166667 6.00 fps, 165>>>>&4 lelong 142857 7.00 fps, 166>>>>&4 lelong 125000 8.00 fps, 167>>>>&4 lelong 111111 9.00 fps, 168>>>>&4 lelong 100000 10.00 fps, 169# ]9.9,10.1[ 170>>>>&4 lelong <101010 171>>>>>&-4 lelong >99010 172>>>>>>&-4 lelong !100000 ~10 fps, 173>>>>&4 lelong 83333 12.00 fps, 174# ]11.9,12.1[ 175>>>>&4 lelong <84034 176>>>>>&-4 lelong >82645 177>>>>>>&-4 lelong !83333 ~12 fps, 178>>>>&4 lelong 66667 15.00 fps, 179# ]14.9,15.1[ 180>>>>&4 lelong <67114 181>>>>>&-4 lelong >66225 182>>>>>>&-4 lelong !66667 ~15 fps, 183>>>>&4 lelong 50000 20.00 fps, 184>>>>&4 lelong 41708 23.98 fps, 185>>>>&4 lelong 41667 24.00 fps, 186# ]23.9,24.1[ 187>>>>&4 lelong <41841 188>>>>>&-4 lelong >41494 189>>>>>>&-4 lelong !41708 190>>>>>>>&-4 lelong !41667 ~24 fps, 191>>>>&4 lelong 40000 25.00 fps, 192# ]24.9,25.1[ 193>>>>&4 lelong <40161 194>>>>>&-4 lelong >39841 195>>>>>>&-4 lelong !40000 ~25 fps, 196>>>>&4 lelong 33367 29.97 fps, 197>>>>&4 lelong 33333 30.00 fps, 198# ]29.9,30.1[ 199>>>>&4 lelong <33445 200>>>>>&-4 lelong >33223 201>>>>>>&-4 lelong !33367 202>>>>>>>&-4 lelong !33333 ~30 fps, 203>>>>&4 lelong <32224 >30 fps, 204##>>>>&4 lelong x (%lu) 205##>>>>&20 lelong x %lu frames, 206# Note: The tests below assume that the AVI has 1 or 2 streams, 207# "vids" optionally followed by "auds". 208# (Should cover 99.9% of all AVIs.) 209# assuming avih length = 56 210>>>88 string LIST 211>>>>96 string strlstrh 212>>>>>108 string vids video: 213>>>>>>&0 lelong 0 uncompressed 214# skip past vids strh 215>>>>>>(104.l+108) string strf 216>>>>>>>(104.l+132) lelong 1 RLE 8bpp 217>>>>>>>(104.l+132) string/c cvid Cinepak 218>>>>>>>(104.l+132) string/c i263 Intel I.263 219>>>>>>>(104.l+132) string/c iv32 Indeo 3.2 220>>>>>>>(104.l+132) string/c iv41 Indeo 4.1 221>>>>>>>(104.l+132) string/c iv50 Indeo 5.0 222>>>>>>>(104.l+132) string/c mp42 Microsoft MPEG-4 v2 223>>>>>>>(104.l+132) string/c mp43 Microsoft MPEG-4 v3 224>>>>>>>(104.l+132) string/c fmp4 FFMpeg MPEG-4 225>>>>>>>(104.l+132) string/c mjpg Motion JPEG 226>>>>>>>(104.l+132) string/c div3 DivX 3 227>>>>>>>>112 string/c div3 Low-Motion 228>>>>>>>>112 string/c div4 Fast-Motion 229>>>>>>>(104.l+132) string/c divx DivX 4 230>>>>>>>(104.l+132) string/c dx50 DivX 5 231>>>>>>>(104.l+132) string/c xvid XviD 232>>>>>>>(104.l+132) string/c h264 H.264 233>>>>>>>(104.l+132) string/c wmv3 Windows Media Video 9 234>>>>>>>(104.l+132) string/c h264 X.264 or H.264 235>>>>>>>(104.l+132) lelong 0 236##>>>>>>>(104.l+132) string x (%.4s) 237# skip past first (video) LIST 238>>>>(92.l+96) string LIST 239>>>>>(92.l+104) string strlstrh 240>>>>>>(92.l+116) string auds \b, audio: 241# auds strh length = 56: 242>>>>>>>(92.l+172) string strf 243>>>>>>>>(92.l+180) leshort 0x0001 uncompressed PCM 244>>>>>>>>(92.l+180) leshort 0x0002 ADPCM 245>>>>>>>>(92.l+180) leshort 0x0006 aLaw 246>>>>>>>>(92.l+180) leshort 0x0007 uLaw 247>>>>>>>>(92.l+180) leshort 0x0050 MPEG-1 Layer 1 or 2 248>>>>>>>>(92.l+180) leshort 0x0055 MPEG-1 Layer 3 249>>>>>>>>(92.l+180) leshort 0x2000 Dolby AC3 250>>>>>>>>(92.l+180) leshort 0x0161 DivX 251##>>>>>>>>(92.l+180) leshort x (0x%.4x) 252>>>>>>>>(92.l+182) leshort 1 (mono, 253>>>>>>>>(92.l+182) leshort 2 (stereo, 254>>>>>>>>(92.l+182) leshort >2 (%d channels, 255>>>>>>>>(92.l+184) lelong x %d Hz) 256# auds strh length = 64: 257>>>>>>>(92.l+180) string strf 258>>>>>>>>(92.l+188) leshort 0x0001 uncompressed PCM 259>>>>>>>>(92.l+188) leshort 0x0002 ADPCM 260>>>>>>>>(92.l+188) leshort 0x0055 MPEG-1 Layer 3 261>>>>>>>>(92.l+188) leshort 0x2000 Dolby AC3 262>>>>>>>>(92.l+188) leshort 0x0161 DivX 263##>>>>>>>>(92.l+188) leshort x (0x%.4x) 264>>>>>>>>(92.l+190) leshort 1 (mono, 265>>>>>>>>(92.l+190) leshort 2 (stereo, 266>>>>>>>>(92.l+190) leshort >2 (%d channels, 267>>>>>>>>(92.l+192) lelong x %d Hz) 268# Animated Cursor format 269>8 string ACON \b, animated cursor 270# SoundFont 2 <mpruett@sgi.com> 271>8 string sfbk SoundFont/Bank 272# MPEG-1 wrapped in a RIFF, apparently 273>8 string CDXA \b, wrapped MPEG-1 (CDXA) 274>8 string 4XMV \b, 4X Movie file 275# AMV-type AVI file: https://wiki.multimedia.cx/index.php?title=AMV 276>8 string AMV\040 \b, AMV 277>8 string WEBP \b, Web/P image 278!:mime image/webp 279>>12 use riff-walk 280# From: Joerg Jenderek 281# URL: https://en.wikipedia.org/wiki/CorelDRAW 282# Reference: http://fileformats.archiveteam.org/wiki/CorelDRAW 283# Note: Since version 3 CorelDraw Pictures are RIFF based 284# but data chunks remain proprietary. 285# Since version 14 til 15 packed as "content/riffData.cdr" and 286# since 16 "content/root.dat" in ZIP container 287# TODO: distinguish templates with version 12.5 from Designer illustration 12 288# display information of RIFF based Corel Draw pictures, templates and patterns 2890 name corel-draw 290# display second chunk for debugging 291#>8 string x \b, [8]=%.8s 292>0 string x \b, Corel Draw 293#!:mime image/x-coreldraw 294!:mime application/vnd.corel-draw 295# used by newer pictures templates 296>>8 string CDT 297# used by templates with newer versions since 16 298>>>12 string =fver Picture template (root.dat) 299!:ext dat 300# used by templates with older versions with vrsn tag 301>>>12 string !fver 302# used by templates with older versions 14-15 303>>>>11 string >E Picture template (riffData.cdr) 304!:ext cdr 305# used by templates with older versions 11-13 306>>>>11 string <F Picture template 307!:ext cdt/cdrt 308# used by older templates with version 4.4 309>>8 string CDST Picture template 310!:ext cdt 311# used by templates with version 12.5 312>>8 string DESC Picture template 313!:ext cdt 314# used by newer patterns with version 22 315>>8 string PAT Pattern 316!:ext dat 317# remaining older templates, patterns, drawings 318>>8 default x 319# pattern with old version 4.y 320>>>26 ulelong =0x0000206C Pattern 321!:ext pat 322# pattern with newer versions 323>>>26 ulelong =0x00000D2C Pattern 324!:ext pat 325# remaining older templates or pictures 326>>>26 default x 327# used by older versions 5 - 15 328>>>>12 string =vrsn 329# 4th chunk size unequal 282Ch only found for CDR 330>>>>>26 ulelong !0x0000282c Picture 331!:ext cdr 332>>>>>26 default x Picture or template 333!:ext cdr/cdt 334# used by newer versions since 16 335>>>>12 string =fver Picture (root.dat) 336!:ext dat 337# version marked by 1 ASCII char: space~3, ... , F~15, ... , N~22, ... R~22 template 338>11 string x \b, version 339>11 string >\040 '%-.1s' 340>0 use corel-version 341>4 ulelong+8 x \b, %u bytes 342# 343# display numeric version of RIFF based Corel after 3rd RIFF tag 3440 name corel-version 345# for debugging purpose; vrsn for short content; fver for 16 byte size 346#>12 string x \b, TAG "%-4.4s" 347# 1st data chunk length 2 implies short content version 348>16 ulelong 2 349# vrsn chunk short content interpreted by MajorVersion * 100 + MinorVersion 350>>20 uleshort/100 x %u 351>>20 uleshort%100 >0 \b.%u 352# for debugging purpose display next chunk like: DISP LIST 353#>>22 string x \b, 4th "%-4.4s" 354#>>26 ulelong x \b, 4th SIZE 0x%x 355# for debugging purpose display 5th chunk like: LIST DISP ccmm osfp 356#>>(26.l+30) string x \b, 5th "%-4.4s" 357# 1st data chunk length 10h implies 16 byte content with version info 358>16 ulelong 0x10 359>>34 ubyte x %u 360>>>33 ubyte >0 \b.%u 361# 362# XXX - some of the below may only appear in little-endian form. 363# 364# Also "MV93" appears to be for one form of Macromedia Director 365# files, and "GDMF" appears to be another multimedia format. 366# 3670 string RIFX RIFF (big-endian) data 368# RIFF Palette format 369>8 string PAL \b, palette 370>>16 beshort x \b, version %d 371>>18 beshort x \b, %d entries 372# RIFF Device Independent Bitmap format 373>8 string RDIB \b, device-independent bitmap 374>>16 string BM 375>>>30 beshort 12 \b, OS/2 1.x format 376>>>>34 beshort x \b, %d x 377>>>>36 beshort x %d 378>>>30 beshort 64 \b, OS/2 2.x format 379>>>>34 beshort x \b, %d x 380>>>>36 beshort x %d 381>>>30 beshort 40 \b, Windows 3.x format 382>>>>34 belong x \b, %d x 383>>>>38 belong x %d x 384>>>>44 beshort x %d 385# RIFF MIDI format 386>8 string RMID \b, MIDI 387# RIFF Multimedia Movie File format 388>8 string RMMP \b, multimedia movie 389# Microsoft WAVE format (*.wav) 390>8 string WAVE \b, WAVE audio 391>>20 leshort 1 \b, Microsoft PCM 392>>>34 leshort >0 \b, %d bit 393>>22 beshort =1 \b, mono 394>>22 beshort =2 \b, stereo 395>>22 beshort >2 \b, %d channels 396>>24 belong >0 %d Hz 397# Corel Draw Picture big endian not tested by real examples 398#>8 string CDRA \b, Corel Draw Picture 399#>8 string CDR6 \b, Corel Draw Picture, version 6 400>8 string CDR 401>>0 use \^corel-draw 402 403# AVI == Audio Video Interleave 404>8 string AVI\040 \b, AVI 405# Animated Cursor format 406>8 string ACON \b, animated cursor 407# Notation Interchange File Format (big-endian only) 408>8 string NIFF \b, Notation Interchange File Format 409# SoundFont 2 <mpruett@sgi.com> 410>8 string sfbk SoundFont/Bank 411 412#------------------------------------------------------------------------------ 413# Sony Wave64 414# see http://www.vcs.de/fileadmin/user_upload/MBS/PDF/Whitepaper/Informations_about_Sony_Wave64.pdf 415# 128 bit RIFF-GUID { 66666972-912E-11CF-A5D6-28DB04C10000 } in little-endian 4160 string riff\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00 Sony Wave64 RIFF data 417# 128 bit + total file size (64 bits) so 24 bytes 418# then WAVE-GUID { 65766177-ACF3-11D3-8CD1-00C04F8EDB8A } 419>24 string wave\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A \b, WAVE 64 audio 420!:mime audio/x-w64 421# FMT-GUID { 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A } 422>>40 search/256 fmt\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A \b 423>>>&10 leshort =1 \b, mono 424>>>&10 leshort =2 \b, stereo 425>>>&10 leshort >2 \b, %d channels 426>>>&12 lelong >0 %d Hz 427 428#------------------------------------------------------------------------------ 429# MBWF/RF64 430# see EBU TECH 3306 https://tech.ebu.ch/docs/tech/tech3306-2009.pdf 4310 string RF64\xff\xff\xff\xffWAVEds64 MBWF/RF64 audio 432!:mime audio/x-wav 433>40 search/256 fmt\x20 \b 434>>&6 leshort =1 \b, mono 435>>&6 leshort =2 \b, stereo 436>>&6 leshort >2 \b, %d channels 437>>&8 lelong >0 %d Hz 438