[Openchrome-users] Xv or XVMC jerkyness

[Timothy Lee]

Picander wrote:
> Xv or XVMC jerkyness
> i noticed my board (a jetway j7f2we) skips regularry frames (looks like 2 or 3 per second) after few seconds from the beginning of playback (mplayer xine and mythtv)
> cpu is always down to 20%, and it's not a disk problem. this happens also if a play from a ramfs.
> the strange thing is that if I press "F" (fullscreen) in myplayer the problem resets (smooth video for 2 seconds and then jerkiness is restored). Looks like a problem in video buffering is restored when mplayer change fullscreen status... what could be? 
> fiddling with bios settings and via driver options in xorg.conf didn't help
>   
I've experienced a similar problem with MPlayer, but  the problem 
disappears when I disable sound (using -nosound).  Suspecting a problem 
with alsa, I upgraded my system from Fedora Core 4 (kernel-2.6.17) to 
Fedora 7 (kernel-2.6.22), and the jerkiness disappeared.

Perhaps this information can be of help to you when troubleshooting the 
problem.

Regards,
Timothy Lee