[mythtv-users] mythbuntu 9.10 / myth 0.22 & vdpau

Peter Lord peter at plord.co.uk
Wed Oct 7 16:42:02 UTC 2009


On Wednesday 07 Oct 2009 17:29:04 Peter Lord wrote:
> On Wednesday 07 Oct 2009 16:52:31 Johnny wrote:
> > > With the "slim" playback profile selected, mythfrontend.real uses
> > > around 27% of the cpu and picture quality is fine.  But with a "vdpau"
> > > profile (no deinterlacer) I get poor picture quality (lots of
> > > pixelization and sound distortion) although cpu usage is reduced to
> > > around 10%.
> > >
> > > I have :-
> > >
> > > * 2xUSB DVB-T (UK)
> > > * nvidia-185-libvdpau / myth 0.22.0~trunk22242-0ubuntu1 packages
> >
> > I am not sure which version of the 185 drivers you have, but myself
> > and many other experienced these type of quality issues with the 185
> > drivers. I rolled back to 180.60 and everything was fine. There are
> > also some 190.36 beta drivers available. Or you can check and make
> > sure you have the most up to date version of the 185 driver. Some
> > people did indicate that they improved that version with the most
> > recent updates.
> 
> Thanks.
> 
> However, I'm not sure I can do this .. the mythbuntu myth packages depend
>  on nvidia-185-libvdpau.
> 
> So, if I try to remove it (ready to execute the nvidia installer), the
>  package system wants to remove all of myth :-(

I tried installing NVIDIA-Linux-x86_64-180.29-pkg2.run and NVIDIA-Linux-
x86_64-180.37-pkg2.run, both failed with a kernel module compilation error.





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