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# $OpenBSD: iff,v 1.2 2004/06/03 03:14:20 tedu Exp $
#------------------------------------------------------------------------------
# iff: file(1) magic for Interchange File Format (see also "audio" & "images")
#
# Daniel Quinlan (quinlan@yggdrasil.com) -- IFF was designed by Electronic
# Arts for file interchange. It has also been used by Apple, SGI, and
# especially Commodore-Amiga.
#
# IFF files begin with an 8 byte FORM header, followed by a 4 character
# FORM type, which is followed by the first chunk in the FORM.
0 string FORM IFF data
#>4 belong x \b, FORM is %d bytes long
# audio formats
>8 string AIFF \b, AIFF audio
>8 string AIFC \b, AIFF-C compressed audio
>8 string 8SVX \b, 8SVX 8-bit sampled sound voice
>8 string SAMP \b, SAMP sampled audio
>8 string DTYP \b, DTYP datatype description
>8 string PTCH \b, PTCH binary patch
# image formats
>8 string ILBMBMHD \b, ILBM interleaved image
>>20 beshort x \b, %d x
>>22 beshort x %d
>8 string RGBN \b, RGBN 12-bit RGB image
>8 string RGB8 \b, RGB8 24-bit RGB image
>8 string DR2D \b, DR2D 2-D object
>8 string TDDD \b, TDDD 3-D rendering
# other formats
>8 string FTXT \b, FTXT formatted text
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