[mythtv-users] Some notes about new nvidia drivers 190.16 and 190.18 for use with MythTV

[allan]

Hi John 

Just re-synced and noticed the vdpau USE flag appears to have gone from
the overlay. Have you removed the vdpau support or just removed the USE
flag?


heres is the output from emerge -pv 
[ebuild     U ] media-tv/mythtv-0.21_p20877 [0.21_p20658-r1] USE="aac
alsa autostart dvb dvd fftw jack lirc mmx opengl perl python xvmc
(-altivec) -debug -directv -ieee1394 -lcd (-hdpvr%) (-vdpau%*)"
VIDEO_CARDS="nvidia -via%" 0 kB [1=>0]

cheers

Allan


On Fri, 2009-07-24 at 09:01 -0400, John Drescher wrote:
> > nVidia has released new drivers ; they are quite more stable than the
> > "stable" 185.18.14
> >
> > Something to be aware of when using with Myth.
> >
> > 1- Disable OpenGL V-Sync in Setup -> TV Settings -> Playback ;
> > otherwise you'll get a lot of
> > ../../src/xcb_io.c:176: process_responses: Assertion `!(req &&
> > current_request && !(((long) (req->sequence) - (long)
> > (current_request)) <= 0))' failed.
> > with MythTV being aborted.
> >
> > You don't need OpenGL V-Sync to prevent tearing with VDPAU playback.
> >
> >
> > 2- Disable "UseEvents" (Option "UseEvents" "False")
> >
> > If set to True (the default is False), when going through screens in
> > MythTV results in the PC hanging for 10+ seconds each time and MythTV
> > taking 100% of CPU time...
> > This isn't just MythTV, any Qt based (KDE 3 or KDE4) will show the same problem
> >
> > Hope this help
> >
> Thanks. I just added the 190.18 driver to my gentoo overlay (and
> installed it) that contains your vdpau patches. I will consult these
> notes if I run into any trouble. I have been using 185.18.X for at
> least 1 month probably 2 to 3 without any noticeable problems.
> 
> 
> John
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