[mythtv-users] XvMC and opengl problems

[Jerry Rubinow]

On 2/8/06, Mike <stuff at dustsmoke.com> wrote:
> Jerry Rubinow wrote:
> > On 2/7/06, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> >
> >> Jerry Rubinow wrote:
> >>
> >>
> >>> Version of nvidia's driver past 7676 reportedly have XvMC problems.  Try 7676.
> >>>
> >>>
> >>>
> >> OpenGL vsync problems, not XvMC problems.
> >>
> >
> > I've seen messages saying that XvMC is broken in recent drivers.
> > Possibly I was combining that with the OpenGL vsync problem to say
> > 7676.  I've seen a lot of people recommend using 7676 as the last
> > version where everything was working.
> >
> > -Jerry
> >
> I must be doing something else wrong.... I removed the old nvidia
> drivers "nvidia-installer --uninstall", installed 7676, rebuilt mythtv
> again against this version and bam... Nothing changes. I can't enable
> OpenGL-Vsync no matter what, and I can't have XvMC run without eating
> all of the CPU with OpenGL-Vsync on or off. In fact, I can't even turn
> off vsync.
>
> Its just the same message every time even if I
> update settings set data = 0 where value = 'UseOpenGLVSync' and hostname
> = 'mythtv'; (BTW, I had to manually add that record since I didn't have it)
>
> nVidiaVideoSync: VBlank ioctl did not work, unimplemented in this driver?
> 2006-02-07 21:02:19.331 DRMVideoSync: Could not open device
> /dev/dri/card0, No such file or directory
> 2006-02-07 21:02:19.331 RTCVideoSync: Could not set RTC frequency,
> Permission denied.
> 2006-02-07 21:02:19.332 Using video as timebase
> 2006-02-07 21:02:19.333 Video timing method: USleep with busy wait
>
> Am I supposed to be using SVN for this stuff or something? I don't have
> this mythical enable/disable OpenGLVsync button that people speak of and
> I'm on 0.18.1. I thought they were saying that the new myth was going to
> be out last week or something but I guess that was just say-say because
> I havn't seen it.
>
> If it means anything, my card is a ti4600.
>
> -Mike

Are you sure the GL module is being loaded in X?  Check your
/var/log/Xorg.0.log for glx being loaded successfully.  Also, does
your card support opengl?

-Jerry