[mythtv-users] What do I have to do to get HD working?

Marco Nelissen marcone at xs4all.nl
Fri Apr 14 23:43:55 UTC 2006


>I'm about at my wits end.  I just purchased a P4 3.2ghz HT to do HDTV 
>playback in software but no matter what I do, I get continual studdering 
>and "Video X frames ahead of audio" on my HD playback material.  This 
>happens on my MX4000 PCI video card system, my ATI 9100 IGP video card 
>system, and my Unichrome Pro video card system. 
>
>Everything I read said that a P4 3.2 is enough to do HD but nothing I do 
>can get it to work.  I'm running the 2.6.15 smp kernel but that almost 
>seems to make it worse.  With the non-smp on my Unichrome system it 
>plays back but only at about 17-20 fps.  With the smp kernel, it does 
>the 29-30 but jumps and skips complaining about the video ahead of audio.
>
>Please, anyone have any help?

Forget about getting it to work with a PCI video card. The PCI bus doesn't
have the bandwidth for HD video.


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