[mythtv-users] HD, the holy grail...
kuphal at dls.net
Mon Feb 26 15:58:42 UTC 2007
Bradley Dorner wrote:
> On 2/25/07, *Jarod Wilson* <lists at wilsonet.com
> <mailto:lists at wilsonet.com>> wrote:
> On Feb 26, 2007, at 00:09, Tu Holmes wrote:
> > A good fast P4 or high end Athlon will do just fine.
> > As a matter of fact a Nice 2.8 Ghz Xeon will do 720p... Just not
> > 1080(i or p).
> Some people have better luck that others, for whatever reason... A
> 2.8GHz Xeon should be more than able to do 1080i. Hell, I had an
> athlon xp 1800 at one point that could almost do it, as well as a
> 1.5GHz core solo mac mini I was toying with a few days ago that could
> almost do it. I have an athlon xp 2600 and an athlon 64 2900 that can
> do 720p and 1080i playback without a problem. My current Athlon 64
> 3500 frontend gets no more than ~40% busy playing back 1080i
> material, and the clock speed rarely ramps up above 1GHz.
> > Depends on your level of HD you require.
> > On 2/25/07, Marco Nelissen <marcone at xs4all.nl
> <mailto:marcone at xs4all.nl>> wrote: >I wrote a
> > few months ago about problems getting adequate myth HD
> > >performance. I'm taking a break from myth with HD at least
> > >the conclusion then was that it seemed hopeless without upgrading
> > to a
> > >dual core processor (currently Athlon XP 2400+).
> > You don't need a dual-core machine to decode HD with mythv. It
> > just fine on my single-core Athlon64 3200+.
> I am having a similar problem as the original poster. My HD works for
> a little while then I need to reboot the computer to get it to work
> again. When it does work I get artifacts and long signal detection
> times. The system it is running on is a Athlon 64 3200 single core
> processor with the pcHDTV 3000. I am not sure what is happening. I am
> not sure if it is myth, the power supply, or whatever. I am wondering
> if the power supply is marginal and therefore creating some
> instabilities. It only happens when the HD card is in use and only
> after an hour o so.
Could be temperature also as you are probably running the CPU and GPU at
close to max during decoding.
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