[mythtv-users] Nividia Xvmc and DVB-T (UK)

DaveD mythtv at guiplot.com
Fri Jul 13 06:20:58 UTC 2007


Per someone else's suggestion on this list, I tried adding the following 
to the Device section of my xorg.conf:

    Option       "UseEvents" "True"

It took my CPU down from 80-90% down to 50% during high def playback 
(Nvidia video card).

DaveD

Steve Smith wrote:
> In my quest for decent MPEG2 playback without the need for some humungous
> processor I'm trying out XvMC on my NVIDIA FX5200.
>  
> It plays mpegs from my PVR-150 card perfectly fine,
>  
> but the files from my DVB-T card exhibit some strange behaviour.
>  
> The sound breaks up completely and the playback slows to a crawl....
> but only during certain programmes.
>  
> e.g. the other week I recorded Doctor Who with the recording starting  
> 5 mins before the show.
> The end of the previous show played fine.
> As did the trailers for upcoming shows.
> And the BBC1 ditty thing.
> Then as soon as Dr.Who started the sound s   t   a  r  t  e  d stu   
> tter  ing and the video ground to a halt. Same all the way thru the show.
>  
> If I try to play it using "Standard" (i.e.Xv only) it's fine, but the 
> CPU hit is higher than I'd like.
>  
> Has anyone else encountered this? I have a theory it may be due to 
> extra sound track in the TS stream...
>  
> Any hints?
> I'm running Ubuntu Feisty with latest mythbuntu packages nvidia driver 
> = 1.0.9631
>  
> Cheers
>  
> Steve
>
>
>  
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