[mythtv-users] Playback CPU Usage, SDTV, HDTV, Is this right?

[Brian Foddy]

On Wednesday 06 April 2005 05:33 pm, Alan Hagge wrote:
> Robert Johnston wrote:
> >On Apr 6, 2005 4:02 PM, Kyle Rose <krose+mythtv at krose.org> wrote:
> >>>I was under the impression that with XvMC accelleration, it is
> >>>possible to play back HDTV content on a 2Ghz processor (XP2000+ or
> >>>higher)
> >>
> >>Original message:
> >>>HDTV --> HD2000, dvb drivers, 720p source, using libmpeg2, no XvMC
> >>
> >>If he were using XvMC, he might be okay (assuming XvMC support has
> >>become stable).  But he's not. :P
> >
> >Then surely the very first thing that should be suggested is that he
> >enable XvMC?
> >
> >And the .patch that was posted on the dev list, against CVS (Of 2
> >hours ago), has made XvMC more stable (No crashing, though still got
> >jittering)
>
> I can confirm that I'm getting smooth playback using XvMC on an Athlon
> XP 1700+ (overclocked to 2000+ speed), on a 4x AGP motherboard (~50% CPU
> utilization).  I'm using an FX 6600 GT, but my understanding is that its
> extra horsepower isn't used for XvMC, so a GeForce4 MX 440 should
> suffice.  One caveat:  I DO see stutter whenever the onscreen display
> (OSD) is up.  But as soon as it goes away, so does the stutter.  I
> haven't applied the aforementioned XvMC patches; I'm waiting 'til Monday
> to get 0.18 (per Isaac's prior post).  Hope this helps.

I can manage it on a P3-1400.