[mythtv-users] How to tell if XvMC is working?

Paul Bender pebender at san.rr.com
Tue Mar 6 17:06:58 UTC 2007

Phil Bridges wrote:
> On 3/6/07, matthew.garman at gmail.com <matthew.garman at gmail.com> wrote:
>> On Mon, Mar 05, 2007 at 05:24:55PM -0600, Mitch Gore wrote:
>>> The easiest way for me to tell is if i set my OSD to a color
>>> option and then play video.  XvMC will turn the OSD to balck and
>>> white.  (assuming you didnt do the hack to enable ColorOSD that is
>>> available witht the 5000 series cards.
>>> And you cpu usage should be about the same as mplayer if working
>>> correctly.
>> I added 'Option "UseEvents" "true"' to the "Device" section of my
>> xorg.conf.  That made it so that XvMC was *definately* working, i.e.
>> lowered CPU usage.  (That setting was one of those little gems that
>> I wish I would have picked up on months ago!)
> I don't think that UseEvents activates XVMC.  I have UseEvents active,
> but still have a color OSD.

You are correct. adding UseEvents resolves a problem where X may use all 
the CPU it can when XvMC is enabled. However, it does not enable XvMC.

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