[mythtv-users] XvMC with Nvidia 7676 no change in CPU usage?

[Tom Lichti]

Kevin Kuphal wrote:
> Steven Adeff wrote:
>   
>> I'm playing around with XvMC on my desktop/server since it has a
>> FX5200 and I'm thinking of using it as a frontend for my bedroom. I've
>> got Myth and mplayer compiled with XvMC support and both look like
>> they're using xvmc when I enable them to, but what I don't see is any
>> reduction in CPU usage with either.
>> I'm running X as root to make sure I have full privileges as I test.
>> I'm testing mostly with HD content since SD content uses so little CPU
>> on my machine to begin with.
>>   
>>     
> If you have a greyscale OSD, then you are using XvMC.  If your OSD is 
> color, you're not.  XvMC is selected in the playback settings for TV 
> where you pick your MPEG decoder (Standard, libmpeg2, XvMC, etc.). 
>
> Kevin
>   
So why is it when I have XvMC enabled (greyscale OSD) my CPU usage is 
about 90%, and when it's not enabled my CPU usage is around 50%? Seems 
kind of bass-ackwards.

Tom