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XviD is a free and open source MPEG-4 video codec. XviD was created by a group of volunteer programmers after the OpenDivX source was closed in July 2001.

XviD features MPEG-4 Advanced Simple Profile features such as b-frames, global and quarter pixel motion compensation, lumi masking, trellis quantization, and H.263, MPEG and custom quantization matrices.

XviD is a primary competitor of DivX (XviD spelled backwards). While DivX is closed source and may only run on Windows, Mac OS X and Linux, XviD is open source and can potentially run on any platform.

Playing XviD encoded files

Due to concerns mostly over patents, the official XviD homepage does not provide binary versions of XviD codec. Codecs (DirectShow filters) for Microsoft Windows are available at Koepi's XviD page. For Linux users, many distributions provide an XviD codec for use with media players such as MPlayer and VLC VLC. However, all these players use the FFmpeg MPEG-4 decoder by default and therefore don't require a separate XviD codec. Xine-based players don't even offer the option to use the XviD decoder.

Since XviD uses MPEG-4 Advanced Simple Profile (ASP) compression, video encoded with XviD is MPEG-4 ASP video and can therefore be decoded with other MPEG-4 ASP compliant decoders as well. Many media players also support the MPEG-4 format used by XviD.

XviD encoded files can be written to a CD or DVD and played in a DivX compatible DVD player.

See Also

This article is licensed under the GNU Free Documentation License. It uses material from the article: XviD on the WIKIPEDIA

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