On Tue, 19 Aug 2008 22:41:42 +0200 Carles Pina i Estany <carles at pina.cat> wrote: > Playing test.avi.mp4. > libavformat file format detected. > > and mplayer uses all CPU. -demuxer lavf bug. It was introduced somewhere between r26264 and r27415. You can play the video with -demuxer mov, or downgrade to an older SVN checkout.