riff revision 68349
1
2#------------------------------------------------------------------------------
3# riff:  file(1) magic for RIFF format
4# See
5#
6#	http://www.seanet.com/users/matts/riffmci/riffmci.htm
7#
8# and
9#
10#	http://www.ora.com/centers/gff/formats/micriff/index.htm
11#
12# and
13#
14#	http://www.jtauber.com/music/encoding/niff/spec/
15#
160	string		RIFF		RIFF (little-endian) data
17# RIFF Palette format
18>8	string		PAL		\b, palette
19>>16	leshort		x		\b, version %d
20>>18	leshort		x		\b, %d entries
21# RIFF Device Independent Bitmap format
22>8	string		RDIB		\b, device-independent bitmap
23>>16	string		BM		
24>>>30	leshort		12		\b, OS/2 1.x format
25>>>>34	leshort		x		\b, %d x
26>>>>36	leshort		x		%d
27>>>30	leshort		64		\b, OS/2 2.x format
28>>>>34	leshort		x		\b, %d x
29>>>>36	leshort		x		%d
30>>>30	leshort		40		\b, Windows 3.x format
31>>>>34	lelong		x		\b, %d x
32>>>>38	lelong		x		%d x
33>>>>44	leshort		x		%d
34# RIFF MIDI format
35>8	string		RMID		\b, MIDI
36# RIFF Multimedia Movie File format
37>8	string		RMMP		\b, multimedia movie
38# Microsoft WAVE format (*.wav)
39>8	string		WAVE		\b, WAVE audio
40>>20	leshort		1		\b, Microsoft PCM
41>>>34	leshort		>0		\b, %d bit
42>>22	leshort		=1		\b, mono
43>>22	leshort		=2		\b, stereo
44>>22	leshort		>2		\b, %d channels
45>>24	lelong		>0		%d Hz
46# AVI == Audio Video Interleave
47>8      string          AVI\            \b, AVI
48# Animated Cursor format
49>8	string		ACON		\b, animated cursor
50
51#
52# XXX - some of the below may only appear in little-endian form.
53#
54# Also "MV93" appears to be for one form of Macromedia Director
55# files, and "GDMF" appears to be another multimedia format.
56#
570	string		RIFX		RIFF (big-endian) data
58# RIFF Palette format
59>8	string		PAL		\b, palette
60>>16	beshort		x		\b, version %d
61>>18	beshort		x		\b, %d entries
62# RIFF Device Independent Bitmap format
63>8	string		RDIB		\b, device-independent bitmap
64>>16	string		BM		
65>>>30	beshort		12		\b, OS/2 1.x format
66>>>>34	beshort		x		\b, %d x
67>>>>36	beshort		x		%d
68>>>30	beshort		64		\b, OS/2 2.x format
69>>>>34	beshort		x		\b, %d x
70>>>>36	beshort		x		%d
71>>>30	beshort		40		\b, Windows 3.x format
72>>>>34	belong		x		\b, %d x
73>>>>38	belong		x		%d x
74>>>>44	beshort		x		%d
75# RIFF MIDI format
76>8	string		RMID		\b, MIDI
77# RIFF Multimedia Movie File format
78>8	string		RMMP		\b, multimedia movie
79# Microsoft WAVE format (*.wav)
80>8	string		WAVE		\b, WAVE audio
81>>20	leshort		1		\b, Microsoft PCM
82>>>34	leshort		>0		\b, %d bit
83>>22	beshort		=1		\b, mono
84>>22	beshort		=2		\b, stereo
85>>22	beshort		>2		\b, %d channels
86>>24	belong		>0		%d Hz
87# AVI == Audio Video Interleave
88>8      string          AVI\            \b, AVI
89# Animated Cursor format
90>8	string		ACON		\b, animated cursor
91# Notation Interchange File Format (big-endian only)
92>8	string		NIFF		\b, Notation Interchange File Format
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