[mythtv-users] XvMC with Nvidia 7676 no change in CPU usage?
tom at redpepperracing.com
Sat Mar 11 23:46:06 UTC 2006
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.).
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.
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