[mythtv-users] Video Stutter Problems

[Thomas W. Shelton]

Yes ... OpenGL vsync is enabled.

nVidia - I just installed in the last couple of days so I pulled the
latest from the nVidia website.  It appears to be 8178.

Are there utilities I can use to make sure OpenGL and Xvmc are installed
and operating properly?

Thomas

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Kevin Kuphal
Sent: Wednesday, January 18, 2006 9:26 AM
To: Discussion about mythtv
Subject: Re: [mythtv-users] Video Stutter Problems

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
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