How To Reduce/Eliminate Horizontal Tearing

[Nikos Chantziaras]

Nick Nobody wrote:
> Hello,
> 
> I'm using Ubuntu 8.10 with a GM945 (at 1920x1080) for my media center PC.
> The problem I'm running into is a bunch of horizontal tearing on higher
> resolution videos (720p or greater). From what I can tell it's not a CPU
> limitation but rather something related to the graphics card...
> 
> Are there any options that I can enable in my xorg.conf to help
> reduce/eliminate this tearing? Or is this simply a hardware limitation?
> Can XvMC somehow help me here?

I don't think it's possible to have video without tearing in X.Org with 
xv.  You'll have to use a media player that can render in OpenGL and 
enable VSync.  At least, that's how I was able to get acceptable video 
without tearing.