[mythtv-users] 0.19, XvMC, and Prebuffer pause

Dawning Sky the.dawning.sky at gmail.com
Wed Feb 22 18:31:05 UTC 2006


On 2/22/06, James Dastrup <jc at dastrup.com> wrote:
>
> On Wed, 2006-02-22 at 09:24 -0800, Dawning Sky wrote:
> > Hi,
> >
> > I just upgraded to 0.19 through ATrpms and so far it's been running
> > great.  XvMC is much more stable.  I can now watch Live TV or
> > recordings for hours without freezing.  But I still get a lot of
> > "prebuffer pause" and either "video xxx frames ahead of audio" or
> > "audio xxx frames ahead of video" in the frontend log.  Sometimes I
> > don't even notice any problem by simply watching the playback, but
> > sometimes the problem can be very noticable.  I'm wondering whether
> > anyone else is having or had the similar problem and how to solve
> > it.
> >
> > My machine is a P4 2.4GHz, 768MB RAM, FX5200 on AGP, running nVidia
> > driver 7174 on FC3 2.6.12 kernel.  When watching HD contents, the
> > frontend is using about 50% CPU and X using about 3%.
> >
>
> Everyone has problems with XvMC. There are some suggestions in the wiki
> to reduce the problems, but you won't be able to solve everything.
> Because you only have a P4 2.4, you will need XvMC to watch HD content.
> Or, get a P4 2.8 and turn off XvMC.
>
>
I was able to watch HD without XvMC in 0.18.1.  Not perfect, but watchable.
Of course, without deinterlace.
Deinterlace gives me trouble sometimes, like when in the "4:3 Zoom" mode.

DS
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