#------------------------------------------------------------------------------ # $File: iff,v 1.20 2024/02/09 00:44:31 christos 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. # URL: http://fileformats.archiveteam.org/wiki/IFF # https://en.wikipedia.org/wiki/Interchange_File_Format # Reference: https://wiki.amigaos.net/wiki/IFF_FORM_and_Chunk_Registry # Note: called "Interchange File" by DROID via PUID x-fmt/157 and # "IFF file" or as alias expanded "Interchange File Format" by shared MIME-info database from freedesktop.org 0 string FORM IFF data #>4 belong x \b, FORM is %d bytes long # audio formats # Update: Joerg Jenderek # URL: http://fileformats.archiveteam.org/wiki/AIFF # https://en.wikipedia.org/wiki/Audio_Interchange_File_Format # Reference: http://mark0.net/download/triddefs_xml.7z/defs/a/audio-aiff.trid.xml # Note: called "AIFF Audio Interchange File Format" by TrID and # "Audio Interchange File Format" by DROID via PUID fmt/414 >8 string AIFF \b, AIFF audio !:mime audio/x-aiff # not officially registered #!:mime audio/aiff !:ext aiff/aif/aff >8 string AIFC \b, AIFF-C compressed audio !:mime audio/x-aiff >8 string 8SVX \b, 8SVX 8-bit sampled sound voice !:mime audio/x-aiff >8 string 16SV \b, 16SV 16-bit sampled sound voice >8 string SAMP \b, SAMP sampled audio >8 string MAUD \b, MAUD MacroSystem audio >8 string SMUS \b, SMUS simple music >8 string CMUS \b, CMUS complex music # 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 DEEP \b, DEEP TVPaint/XiPaint image >8 string DR2D \b, DR2D 2-D object >8 string TDDD \b, TDDD 3-D rendering >8 string LWOB \b, LWOB 3-D object >8 string LWO2 \b, LWO2 3-D object, v2 >8 string LWLO \b, LWLO 3-D layered object >8 string REAL \b, REAL Real3D rendering >8 string MC4D \b, MC4D MaxonCinema4D rendering >8 string ANIM \b, ANIM animation >8 string YAFA \b, YAFA animation >8 string SSA\ \b, SSA super smooth animation >8 string FANT \b, Fantavision animation >8 string ACBM \b, ACBM continuous image >8 string FAXX \b, FAXX fax image >8 string STFX \b, ST-Fax image >8 string IMAGIHDR \b, CD-i image # other formats >8 string FTXT \b, FTXT formatted text >8 string CTLG \b, CTLG message catalog >8 string PREF \b, PREF preferences >8 string DTYP \b, DTYP datatype description # Update: Joerg Jenderek # Reference: http://mark0.net/download/triddefs_xml.7z/defs/i/iff-pch.trid.xml # Note: called "IFF binary Patch" by TrID >8 string PTCH \b, PTCH binary patch #!:mime application/octet-stream #!:mime application/x-iff #!:mime application/x-amiga-patch !:ext patch/pch >8 string AMFF \b, AMFF AmigaMetaFile format >8 string WZRD \b, WZRD StormWIZARD resource >8 string DOC\040 \b, DOC desktop publishing document >8 string SWRT \b, SWRT Final Copy/Writer document >8 string WORD \b, ProWrite document >8 string WTXT \b, WTXT Wordworth document >8 string WOWO \b, WOWO Wordworth document >8 string WVQA \b, Westwood Studios VQA Multimedia, >>24 leshort x %d video frames, >>26 leshort x %d x >>28 leshort x %d >8 string MOVE \b, Wing Commander III Video >>12 string _PC_ \b, PC version >>12 string 3DO_ \b, 3DO version # These go at the end of the iff rules # # David Griffith # I don't see why these might collide with anything else. # # Interactive Fiction related formats # >8 string IFRS \b, Blorb Interactive Fiction >>24 string Exec with executable chunk >8 string IFZS \b, Z-machine or Glulx saved game file (Quetzal) !:mime application/x-blorb