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

Nezmer at allurelinux.org Nezmer at allurelinux.org
Sat Jan 2 00:30:04 CET 2010


On Fri, Jan 01, 2010 at 08:41:02PM +0200, Uoti Urpala wrote:
> On Fri, 2010-01-01 at 20:06 +0200, Nezmer at allurelinux.org wrote:
> > 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.
> > 
> > Today I decided to save logs.
> > 
> > With -msglevel all=5
> > http://pastebin.com/f4bce5249
> 
> That log shows problems a lot worse than "stutter" - the status line
> values indicate a 18 second desync between video and audio due to
> playback being too slow!
> 
> The problem is that you've specified -cache either on the command line
> or in config files. MPlayer's cache mechanism has problems with mp4/mov
> files because playing them involves a lot of seeking around in the file
> and the cache doesn't handle that well. Don't enable cache by default.

That was it. Thank you.

I played with cache, cache-min and cache-seek-min. I never thought
caching itself was the problem.


More information about the MPlayer-users mailing list