[mythtv-users] XvMC and high CPU usage

[Kevin Kuphal]

Tom Dombrosky wrote:
>
>
> On 3/21/06, *Kevin Kuphal* <kuphal at dls.net <mailto:kuphal at dls.net>> 
> wrote:
>
>     Jerry Rubinow wrote:
>     > On 3/21/06, Kevin Kuphal <kuphal at dls.net
>     <mailto:kuphal at dls.net>> wrote:
>     >
>     >> On FC4, I get the grey OSD and the logs report XvMC is being
>     used but my
>     >> CPU usage is high.  I can *barely* get the video to play
>     properly using
>     >> libmpeg2 but the picture seems a little jumpy.  My configure
>     script says
>     >> I'm linking with libXvMCNVIDIA as expected.  My OpenGL Vsync is
>     working
>     >> as I'm using the 7676 nvidia driver (changing it makes things
>     worse for
>     >> libmpeg2 performance).
>     >>
>     >
>     > Did you try turning off OpenGL Vsync?  It may make libmpeg2
>     worse, but
>     > it improved XvMC for me.
>     >
>     >
>     Yes.  I have no problem with OpenGL Vsync as I'm using 7676 which
>     has no
>     problems.   Is your CPU dramatically reduced with XvMC?  What xorg
>     version are you running?
>
>     Kevin
>
>
> Definitely don't use the 8xxx series drivers.  I'm using 7676 with the 
> only problem being skipping when the osd appears.  I have a nforce4 MX 
> AGP card running on a gentoo system.
>
What X server version are you running?

Kevin