MPlayer

Website: http://www.mplayerhq.hu/

Full-featured, fast and portable multimedia player licensed under the GNU GPL. Uses the libavcodec codec library (and optionally the libavformat container library) from the FFmpeg project.

The MPlayer project also develops MEncoder.

For troubleshooting try the MPlayer FAQ.

Other Links

static code vulnerability scanner: http://scan.coverity.com/rungAll.html

Real-time open source activity stats: http://cia.vc/stats/project/mplayer http://www.ohloh.net/projects/mplayer