[mythtv-users] what cpu is required for hdtv playback
pettersen at gmail.com
Thu Aug 25 14:12:38 UTC 2005
I've got a slightly dumb question:
Is the performance gain from using AMD64 on a 64bit OS more
signifigant than if you ran it on a regular 32 bit flavor of linux but
used more stable nvidia drivers to take advantage of XvMC (at least
till the 64bit driver situation is ironed out)?
On 8/25/05, Patrick Szalapski <szal0003 at umn.edu> wrote:
> On 25 Aug 2005, Patrick Szalapski wrote:
> > On 24 Aug 2005, Reza Naima wrote:
> > > i'm building a system and want to use it as a frontend to play back
> > > (eventually) hdtv content. I ordered a 533 celeronD 2.6 as a first
> > > -- will that be fast enough, or do i need to go pentium4?
> > Probably. I'm using a P4 2.4 and it can just barely playback MPEG2
> > 1920x1080i or 1280x720p content. I'm using a GeForce 4 4200, so I can't
> > enable "Inverse Discreet Cosine Transform" hardware decoding--maybe you
> > can. XVMC off worked better for me than XVMC on. YMMV, try both.
> > see also this thread:
> > http://www.xmission.com/~pchdtv/forum/viewtopic.php?p=4801
> I do recommend faster CPU for the backend too--because if you do any
> High-Def transcoding, it is really slow.
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