[mythtv-users] VDPAU High CPU Usage

Robert Lynn Jr rjlynn at sixteentwelvemedia.net
Wed Sep 8 16:29:57 UTC 2010


I knew VDPAU didn't do encoding, but it's news to me it didn't do MPEG4 Part
2.

Either way, purchased a HVR-1950 MPEG2 encoder and its workin' great now.
Thanks guys!

On Tue, Sep 7, 2010 at 12:18 AM, Kenni Lund <kenni at kelu.dk> wrote:

> 2010/9/7 Robert Lynn Jr <rjlynn at sixteentwelvemedia.net>:
> > Hi guys,
> >
> > I just can't seem to get my CPU usage down. Right now, on a Atom 330 (2
> > cores, hyperthreaded), I'm getting 82% CPU usage by mythbackend and 44%
> by
> > the frontend. I'm using a Happague HVR-950Q framegrabber, and encoding to
> > MPEG4. It's not much better using RTJPEG. The sound skips, and I get
> buffer
> > underrun errors in the frontend's log.
> >
> > I've disabled realtime threads, I've tried VDPAU Slim profile, I just
> can't
> > find anything that'll work. I've told MythTV to use 2, 3 and 4 "cores" to
> > encode video, to no avail.
>
> Are you trying to get your CPU usage down while encoding? VDPAU
> doesn't do encoding, only decoding.
>
> Best Regards
> Kenni
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