Resource Interchange File Format: Difference between revisions

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{{shortShort description|Tagged file structure for multimedia resource files}}

{{moreMore footnotes needed|date=January 2019}}

{{Infobox file format

| name = RIFF

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'''Resource Interchange File Format''' ('''RIFF''') is a generic file [[container format (digital)|container format]] for storing data in tagged [[Chunk (information)|chunks]].<ref>{{Cite book |title=Multimedia Programming Interface and Data Specifications 1.0 |url=https://www.mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/Docs/riffmci.pdf |pages=10–11 |publisher=IBM / Microsoft |date=August 1991 |access-date=2017-07-07}}</ref> It is primarily used for audio and video, though it can be used for arbitrary data.<ref name="LoC">{{cite web|url=http://www.digitalpreservation.gov/formats/fdd/fdd000025.shtml|title=RIFF (Resource Interchange File Format)|publisher=[[Library of Congress]]|work=Digital Preservation|date=2014-01-08|access-date=2014-03-11}}</ref>

The Microsoft implementation is mostly known through the container formats like [[Audio Video Interleave|AVI]], [[ANI (animation file format)|ANI]] and [[WAV]], which use RIFF as their basis.<ref name="micriff">{{cite book|title=Encyclopedia of Graphics File Formats, Second Edition |date=1996 |author=James D. Murray |author2=William vanRyper |isbn=1-56592-161-5 |publisher=[[O'Reilly Media|O'Reilly]] |at=Microsoft RIFF |url=https://www.fileformat.info/format/riff/egff.htm |access-date=2016-04-07 |url-status=live |archive-url=https://web.archive.org/web/20051128020903/http://www.oreilly.com/www/centers/gff/formats/micriff/index.htm |archive-date=November 28, 2005 }}</ref>

== History ==

RIFF was introduced in 1991 by [[Microsoft]] and [[International Business Machines|IBM]] and used as the default format for [[Windows 3.1x|Windows 3.1]] multimedia files. It is based on [[Interchange File Format]] introduced by [[Electronic Arts]] in 1985 on the [[Amiga]]. IFF uses the [[endiannessEndianness|big-endian]] convention of the Amiga's [[Motorola 68000]] CPU, but in RIFF multi-[[byte]] integers are stored in the [[endiannessEndianness|little-endian]] order of the [[x86]] processors used in [[IBM PC compatible]]s. A RIFX format, which is big-endian, was also introduced.

In 2010 Google introduced the [[WebP]] picture format, which uses RIFF as a container.<ref>{{Cite web |url=http://code.google.com/speed/webp/docs/riff_container.html |title=RIFF Container |work=[[Google Code]] |access-date=1 October 2010 }}</ref>

| url = http://code.google.com/speed/webp/docs/riff_container.html

| title = RIFF Container

| work = [[Google Code]]

| access-date = 1 October 2010

}}</ref>

== Explanation ==

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== See also ==

* [[Interchange File Format|IFF]] (the [[big-endian]] format from which RIFF derives)

* [[Audio Interchange File Format|AIFF]]

* [[Broadcast Wave Format|BWF]] Broadcast Wave Format

* [[Type–length–value|TLV]] (the generic format that RIFF is an example of)

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== References ==

{{Reflist}}

== External links ==

* [http://msdn.microsoft.com/en-us/library/windows/desktop/dd798636(v=vs.85).aspx Resource Interchange File Format Services]

* [http://msdn2.microsoft.com/en-us/library/ms779636(VS.85).aspx RIFF AVI file reference]<!--http://msdn.microsoft.com/en-us/library/windows/desktop/dd318189(v=vs.85).aspx-->

* [https://web.archive.org/web/20070517142746/http://msdn.microsoft.com/archive/en-us/dx81_vb/directx_vb/htm/_dx_reading_wave_files_dxaudio.asp Reading WAVE files]

* [http://msdn.microsoft.com/en-us/library/windows/desktop/ms807157.aspx DirectMusic file format]

* [http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q120253 Multimedia Registration Kit]

* [http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/RIFF.html Tag Names]

{{Compression formats}}

[[Category:Computer file formats]]