Codecs was Re: Boston Linux Meeting Wednesday, March 17, 2004 (room 4-370):Movie Production with Linux & Cinelerra

[Jeff Macdonald]

CODEC article at:
http://www.extremetech.com/article2/0,1558,1546480,00.asp

Not strictly Linux but it should be relevant. I do believe the mplayer
and xine support Divx to some degree, however I think your looking for
creating stuff, not just playing. I'm pretty sure mplayer has stuff to
convert from one CODEC to another.