[mythtv-users] Video studder XvMC w/OSD

Mitch Gore mitchell.gore at gmail.com
Mon Mar 31 13:41:42 UTC 2008


On Sun, Mar 30, 2008 at 10:09 PM, <glenhawk at optusnet.com.au> wrote:

> I also thought a P4 3GHZ would be fast enough.
> There is some background info below but rather than XvMC, try running the
> Libmpeg2 decoder with no deinterlacing at a reduced resolution (see
> Appearance settings about running specific video at different resolutions or
> just reconfigure whole system for lower res). I found that with the
> exception of XvMC this was the best option for displaying HDTV on my 1080p
> display using a 3GHz frontend (with only a 64MB nVidia!). You might have to
> turn off XvMC in XvMCConfig to allow this to work.


I have messed with this but without XvMC HD studder very BADLY.  I will
check to see if it can play in Xine as I have read that the .21 player hogs
the CPU.  This is very frustrating!

>
> If that works you can try adding "one field" deinterlacing and see if you
> get stutter. Just try slowly turning everything up until you get problems
> and then back it off (tighten it until it strips and then back it off half a
> turn ;-) )
> Good luck,
> Glen
>
> 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.


Yes running .21 from ATrpms.  Fedora 8


Mitchell
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