#------------------------------------------------------------------------------ # audio: file(1) magic for sound formats (see also "iff") # # Jan Nicolai Langfeldt (janl@ifi.uio.no), Dan Quinlan (quinlan@yggdrasil.com), # and others # # Sun/NeXT audio data 0 string .snd Sun/NeXT audio data: >12 belong 1 8-bit ISDN u-law, >12 belong 2 8-bit linear PCM [REF-PCM], >12 belong 3 16-bit linear PCM, >12 belong 4 24-bit linear PCM, >12 belong 5 32-bit linear PCM, >12 belong 6 32-bit IEEE floating point, >12 belong 7 64-bit IEEE floating point, >12 belong 23 8-bit ISDN u-law compressed (CCITT G.721 ADPCM voice data encoding), >12 belong 24 compressed (8-bit G.722 ADPCM) >12 belong 25 compressed (3-bit G.723 ADPCM), >12 belong 26 compressed (5-bit G.723 ADPCM), >12 belong 27 8-bit A-law, >20 belong 1 mono, >20 belong 2 stereo, >20 belong 4 quad, >16 belong >0 %d Hz # DEC systems (e.g. DECstation 5000) use a variant of the Sun/NeXT format # that uses little-endian encoding and has a different magic number 0 lelong 0x0064732E DEC audio data: >12 lelong 1 8-bit ISDN u-law, >12 lelong 2 8-bit linear PCM [REF-PCM], >12 lelong 3 16-bit linear PCM, >12 lelong 4 24-bit linear PCM, >12 lelong 5 32-bit linear PCM, >12 lelong 6 32-bit IEEE floating point, >12 lelong 7 64-bit IEEE floating point, >12 lelong 23 8-bit ISDN u-law compressed (CCITT G.721 ADPCM voice data encoding), >20 lelong 1 mono, >20 lelong 2 stereo, >20 lelong 4 quad, >16 lelong >0 %d Hz # Creative Labs AUDIO stuff 0 string MThd Standard MIDI data >9 byte >0 (format %d) >11 byte >1 using %d tracks 0 string CTMF Creative Music (CMF) data 0 string SBI SoundBlaster instrument data 0 string Creative\ Voice\ File Creative Labs voice data # is this next line right? it came this way... >19 byte 0x1A >23 byte >0 - version %d >22 byte >0 \b.%d # first entry is also the string "NTRK" 0 belong 0x4e54524b MultiTrack sound data >4 belong x - version %ld # Extended MOD format (*.emd) (Greg Roelofs, newt@uchicago.edu); NOT TESTED # [based on posting 940824 by "Dirk/Elastik", husberg@lehtori.cc.tut.fi] 0 string EMOD Extended MOD sound data, >4 byte&0xf0 x version %d >4 byte&0x0f x \b.%d, >45 byte x %d instruments >83 byte 0 (module) >83 byte 1 (song) # Real Audio (Magic .ra\0375) 0 belong 0x2e7261fd RealAudio sound file 0 string .RMF RealMedia file # MTM/669/FAR/S3M/ULT/XM format checking [Aaron Eppert, aeppert@dialin.ind.net] # Oct 31, 1995 0 string MTM MultiTracker Module sound file #0 string if Composer 669 Module sound data 0 string FAR Module sound data 0 string MAS_U ULT(imate) Module sound data 0x2c string SCRM ScreamTracker III Module sound data 0 string Extended Module Extended Module sound data # Gravis UltraSound patches # From 0 string GF1PATCH110\0ID#000002\0 GUS patch 0 string GF1PATCH100\0ID#000002\0 Old GUS patch # # Taken from loader code from mikmod version 2.14 # by Steve McIntyre (stevem@chiark.greenend.org.uk) 0 string JN extended 669 module data 0 string MAS_UTrack_V00 >14 string >/0 ultratracker V1.%.1s module sound data 0 string UN05 MikMod UNI format module sound data 0 string Extended\ Module: Fasttracker II module sound data 21 string !SCREAM! Screamtracker 2 module sound data 1080 string M.K. 4-channel Protracker module sound data 1080 string M!K! 4-channel Protracker module sound data 1080 string FLT4 4-channel Startracker module sound data 1080 string 4CHN 4-channel Fasttracker module sound data 1080 string 6CHN 6-channel Fasttracker module sound data 1080 string 8CHN 8-channel Fasttracker module sound data 1080 string CD81 8-channel Oktalyzer module sound data 1080 string OKTA 8-channel Oktalyzer module sound data # Not good enough. #1082 string CH #>1080 string >/0 %.2s-channel Fasttracker "oktalyzer" module sound data 1080 string 16CN 16-channel Taketracker module sound data 1080 string 32CN 32-channel Taketracker module sound data # TOC sound files -Trevor Johnson # 0 string TOC TOC sound file # sidfiles 0 string SIDPLAY\ INFOFILE Sidplay info file 0 string PSID PlaySID v2.2+ (AMIGA) sidtune >4 beshort >0 w/ header v%d, >14 beshort =1 single song, >14 beshort >1 %d songs, >16 beshort >0 default song: %d # IRCAM # VAX and MIPS files are little-endian; Sun and NeXT are big-endian 0 belong 0x64a30100 IRCAM file (VAX) 0 belong 0x64a30200 IRCAM file (Sun) 0 belong 0x64a30300 IRCAM file (MIPS little-endian) 0 belong 0x64a30400 IRCAM file (NeXT) # NIST SPHERE 0 string NIST_1A\n\ \ \ 1024\n NIST SPHERE file # Sample Vision 0 string SOUND\ SAMPLE\ DATA\ Sample Vision file # Audio Visual Research 0 string 2BIT Audio Visual Research file # From Felix von Leitner 0 string OggS Ogg-Vorbis compressed sound file # SGI SoundTrack 0 string _SGI_SoundTrack SGI SoundTrack project file 0 string ID3 mp3 file with ID3 2.0 tag