A test version of MPlayer has been released, which has support for DIVE, SNAP video overlays, and WarpOverlay. It also includes MEncoder, a simple movie encoder. Most MPEG/VOB, AVI, Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT, NuppelVideo, FLI, YUV4MPEG, and more are supported.

Hobbes: http://hobbes.nmsu.edu/cgi-bin/h-search?key=mplayer