freebsd-dev/contrib/file/Magdir/audio
2001-07-30 03:09:46 +00:00

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#------------------------------------------------------------------------------
# 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 <ache@nagual.ru>
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 <trevor@jpj.net>
#
0 string TOC TOC sound file
# sidfiles <pooka@iki.fi>
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 <mpruett@sgi.com>
# 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 <mpruett@sgi.com>
0 string NIST_1A\n\ \ \ 1024\n NIST SPHERE file
# Sample Vision <mpruett@sgi.com>
0 string SOUND\ SAMPLE\ DATA\ Sample Vision file
# Audio Visual Research <mpruett@sgi.com>
0 string 2BIT Audio Visual Research file
# From Felix von Leitner <leitner@fefe.de>
0 string OggS Ogg-Vorbis compressed sound file
# SGI SoundTrack <mpruett@sgi.com>
0 string _SGI_SoundTrack SGI SoundTrack project file
0 string ID3 mp3 file with ID3 2.0 tag