[mythtv-users] MythTV PIP VDPAU

Robert McNamara robert.mcnamara at gmail.com
Wed Jan 4 01:10:06 UTC 2012


On Tue, Jan 3, 2012 at 4:45 PM, Steven Adeff <adeffs.mythtv at gmail.com>wrote:

> On Mon, Jan 2, 2012 at 4:59 AM, Mark Kendall <mark.kendall at gmail.com>
> wrote:
> > On 2 January 2012 01:12, Adam Brown <abrown118321 at gmail.com> wrote:
> >> Hi all,
> >>
> >> I am running mythtv 0.24.1 on gentoo with an NVIDIA GeForce 550 TI using
> >> the VDPAU High Quality playback profile. I have multiple tuners on the
> >> backend. When watching live hdtv the picture looks great. However when I
> >> try to activate another hdtv tuner using pip, the pip picture becomes
> >> jagged, jumpy and has horizontal lines going across it. I have disabled
> >> "Composite" in my xorg.conf but the problem still exists. Any ideas as
> >> to how to fix would be appreciated.
> >
> > It's a known issue (and not just with VDPAU). I still haven't worked
> > out what causes it - though I'm pretty confident it's a mythtv issue
> > rather than driver/X related.
> >
> > regards
> >
> > Mark
>
> right now MythTV only supports decoding one stream with VDPAU, so when
> you use PIP the PIP is being decoded by the CPU. I believe work is
> moving towards allowing MythTV to use VDPAU for more than one stream
> to fix this, but I don't know where that development is at.
>
>
He knows, he wrote the VDPAU code ;)

Robert
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