[mythtv-users] Need help picking out new motherboard / cpu

[Jarod C. Wilson]

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On Thursday 01 April 2004 10:55, Daniel Walton wrote:
>
> > And I'm not sure if Daniel was running with XvMC
> > support compiled in or not. I assume not, because I've heard that with
> > XvMC support compiled in, you might actually be able to watch on a
> > 1.8GHz P4 or Athlon XP ~2000 without many problems, but it doesn't look
> > as good as leaving XvMC off.
>
> Not sure, I compiled the latest nvidia drivers and it is all done via an
> automated script/menu.  Or do you mean compile XvMC support in the kernel?

XvMC support should present in your nVidia driver, enabling it your playback 
app is the bigger question. I was actually asking if you'd compiled in XvMC 
support to whatever you were using to play back the video (xine-hd or 
mythtv). I don't know if mplayer can utilize XvMC for HDTV streams or not.

> > Daniel, was that 85% cpu running in Xine-HD, or in Myth? I've heard of a
> > 3GHz HT P4 sitting at 70% when playing back in Myth with all the goodies
> > enabled, so 85% on an Athlon XP 2800 doesn't surprise me at all. That's
> > why I have a 3200 in my machine (for when I finally get my pcHDTV card
> > out again)...
>
> With mplayer...I captured about a 30 second clip with the getatsc tool that
> comes on the pcHDTV card.  I don't have the card working in myth yet but I
> think I'm getting close.

You might try another bench with xine-hd, XvMC support compiled in. You could 
run into issues when you start using Myth. It uses considerably more cpu for 
playback if you want to enable all the goodies, so you could end up pegging 
the cpu to 100%, but I think mplayer isn't very cpu-efficient for HD just 
yet, and likely not using XvMC.

- -- 
Jarod C. Wilson, RHCE

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