Information gathered from the Internet, MPlayer and Xine

Mail me if there's any bull in there.
	Bastien Nocera <hadess@hadess.net>

DivX ;) = MS MPEG-4 v3 = Angel Potion = nAVI
fourcc: MP43, DIV5, DIV6, DIV3, DIV4, AP41
supported: FFMPEG (all platforms), libavifile (uses FFMPEG), win32 libraries

OpenDivX = ISO MPEG-4 v2 = DivX4
DIVX, DIV1, MP4S, XVID
supported: FFMPEG's OpenDivX, Project Mayo's OpenDivX, win32 libraries

MS MPEG-4 v1/v2
DIV2, MPG4, MP42
supported: win32 libraries only

3vix
fourcc: 3IV1
supported: see http://3ivx.com/download/unix.html

Note
====

For non-x86 machines, the easiest is to compile a recent libavifile (ie. > 0.6.0). It's the plugin that works best for AVI files under GStreamer.