[MPlayer-users] MP4 file(s) stutter at a certain point

[Reimar Döffinger]

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.