[mythtv-users] New installation, choppy video (not DMA) help request

[Steve Daniels]

> -----Original Message-----
> From: Dan [mailto:danspam at envy.themanium.net]
> Sent: 15 May 2006 16:05
> To: Steve Daniels
> Subject: Re: [mythtv-users] New installation, choppy video (not DMA) help
> request
> 
> >
> > This is the primary cause of the choppy video. Your system just isn't
> > powerful enough for HD processing on its own.
> 
> A couple of followup questions, if you don't mind.  The same rig works
> fine under windows - would the improved driver support under windows
> account
> for the difference?

It's less of an "improved driver support under windows" rather a distinct
lack of hardware mpeg2 playback support for linux.. :-( ATI just don't want
you to do it..

> 
> Also, if MPEG decoding (HDTV is all mpeg2, right?) is the bottleneck, is
> this consistent with a high CPU loading for X, in addition to
> mythfrontend?

IIRC that’s right.

> 
> > I think it comes down to either getting a faster processor, or a nvidia
> > graphics card.
> >
> > Tough luck I'm afraid.
> 
> The luck is not so tough as might normally be expected.  I am awash in
> fairly recent spare parts.  I have access to nvidia cards.  With this cpu,
> how recent of a nvidia card would be sufficient?

I think there are reports of FX-5200's doing wonderful things with XVMC and
HDTV. Personally I'm sdtv only..

> 
> Thank you very much for the reply.
> 

Hope that helps,

Steve Daniels

P.S.

Try and keep replies on list as well :-) "Reply All" is the way the go IMO
;-)

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