# $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