[mythtv-users] Video studder XvMC w/OSD

[Mitch Gore]

On Mon, Mar 31, 2008 at 7:44 PM, Michael T. Dean <mtdean at thirdcontact.com>
wrote:

> On 03/31/2008 02:31 PM, Florin Andrei wrote:
> > glenhawk at optusnet.com.au wrote:
> >
> >> PS: Are you running MythTV 0.21? I was running a 2.67GHz Frontend that
> was working "just" fine under 0.20 with the exception of a minor stutter
> on some HD video. I upgraded both the CPU (to 3GHz) and MythTV to 0.21 and
> had no end of trouble getting reliable video.
> >>
> >
> > Seems like there are lots of performance problems with HD on 0.21
> > Hmmm... Maybe I should postpone building that dedicated Myth system
> > until this issue gets solved.
>
> Sure, just like there are lots of problems with preview images in
> MythWeb on 0.21, and lots of problems with incorrect video scaling on
> 0.21, and lots of problems with Myth's finding recordings on 0.21, and
> lots of problems with starting Myth on 0.21, and lots of problems with
> tuning channels on 0.21, and lots of problems with getting audio on
> 0.21, and lots of problems with playback on 0.21.***
>
> ***When users misconfigure PHP timezone, DisplaySize, Storage Groups,
> HOME environment variable, video sources/input connections/channels,
> sound card, playback profile groups, respectively.  In other words,
> people who haven't yet configured MythTV 0.21 properly have performance
> problems with HD on 0.21.  Specifically, you need to configure the
> playback profiles appropriately.  See
> http://www.mythtv.org/wiki/index.php/Playback_profiles .
>
> Mike
>
>
I have spent several hours messing with settings again.  I have yet to get
1080i video to scale to 720p w/o XvMC and get smooth playback.  I was able
to get 720p to play but some slight tearing.

Turning XvMC on, leans to the same studdering when the OSD is up.  For now I
am going to have to just deal with this.  I wonder if this is a Myth issue
or a driver issue.

Mitchell
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