[Wikipedia-l] Theora / ogg usage

[Gregory Maxwell]

On Fri, 18 Mar 2005 00:07:59 -0500, Sj <2.718281828 at gmail.com> wrote:
> On Thu, 17 Mar 2005 15:36:57 +0000, Ævar Arnfjörð Bjarmason
> <avarab at gmail.com> wrote:
> > I just want to respond to this threat to remind everyone that not
> > everything ending in .ogg that is a video file is an Ogg Theora file,
> > alot, if not the majority of .ogg video (ogm) files are actually xvid
> > files with Ogg Vorbis audio.
> 
> Interesting!  Is xvid a similarly free format?

xvid is a gratis mpeg4 implementation.

It would violate the spectrum of patents that any other mpeg4 codec
implementation.

If xvid were unencumbered there would be no theora. :)