On Fri, Jan 01, 2010 at 08:06:47PM +0200, Nezmer at allurelinux.org wrote: > Hi, > > I've been facing a weird issue with some mp4 files. The playback starts > to stutter(plays discontinuously as If CPU or IO is maxed out) at > a certain point. This happens with mplayer-mt linux x86_64 and with > mplayer in a 32bit chroot. Not all files suffer from this. The files > that do suffer at certain points. The files play just fine with ffplay > Totem(gstreamer) and VLC. Most likely those files are not properly interleaved. Try playing them with -nocache.