[mythtv-users] Video Stutter Problems

[Kevin Kuphal]

Thomas W. Shelton wrote:
> Hello,
>  
> I have scoured the list and the Internet and discovered a lot of good 
> information ... none of which has corrected my problem.
>  
> I'm running on 
>  
>  - Dell 2.4GHz/512M ram
>  - pcHDTV 3000 Card
>  - nVidia GeForce FX 5200
>  - using NTSC with cable -- no cable box.
>  - Have Video for Linux card specified -- not the pcHDTV(wanted to get 
> the basics working first)
>  
> using the latest stable branch from SVN compiled with --enable-Xvmc.  
> I have "v4l" defined in my xorg.conf file.  I also have Xvmc defined 
> in the setup.  I believe I have also turned off all commercial 
> flagging.  (specifics of which settings to check might help).  The 
> processor also spikes when I run glxgears ... not sure if that means 
> anything.
>  
> When I started the image quality was terrible.  I have been able to 
> significantly improve the quality but it still stutters.  I ran "top" 
> and both mythbackend and mythfrontend are consuming all available 
> resources when watching TV.
>  
> I feel like I'm making improvements but have run into a wall. 
>  
> Any thoughts?
Are you running with OpenGL Vsync enabled?  Also, what version of the 
Nvidia drivers are you using.  I myself have found, and have others, 
that 7676 seems to work the best of the recent driver releases for XvMC.

Kevin