[mythtv-users] My Perennial Problems with XvMC

Norm Dugas normdugas at yahoo.ca
Sun Sep 17 21:41:49 UTC 2006


On Sun, 2006-09-17 at 09:04 +1000, Greg Ahpee wrote:
> Mathew Elliot wrote:
> >   
> >> Enter GeForce 6200.  Nvidia claims XvMC is fully supported on this model so
> >>     
> > I should see some serious >improvement.  I replace the old 4200 in the >FC4
> > box and fire up Myth.  I enter live TV and go to my favorite
> >   
> >> .HD channel and BAM!  Reacts exactly the same as before--for about 3
> >>     
> > seconds.  Then the picture starts >deteriorating in what some people may
> > have described as "tearing."  A few sections of the picture change to a
> >   
> >> different color (or scene maybe--it's hard to tell).  The sections grow
> >>     
> > until the entire screen is covered >in garbage, and I think the system
> > crashes/stalls,  haven't really let it go this far lately, but I'm pretty
> >   
> >> sure something bad happens.   
> >>     
> >
> > According to the nvidia forums the 6200 is not actually XvMC enabled under
> > 8756 – or from what I can gather under 8774 either...  - I know because I’ve
> > been struggling to get mine doing XvMC…
> >
> > Refer to this thread -
> > http://www.nvnews.net/vbulletin/showthread.php?t=68030&highlight=XvmC+6200
> >
> > Mine produces the same errors as you've posted later and the same errors
> > with mplayer as is in the linked thread.... damnit I bought this card cause
> > it was the cheapest supposedly XvMC enabled PCIe card... and now it's not -
> > apparently all the cards >6600 work fine with XvMC... ripped off!
> >
> >
> > _______________________________________________
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> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> >   
> I have been following this thread with some interest as I supected that 
> I was also having XvMC issues. To date I have not been able to use the 
> DVI output on my 6200 with Bob deinterlacing enabled as this combination 
> resulted in xorg and mythfontend using all the avialable cpu cycles with 
> resultant pre-buffering pauses. The answer to my problem was provided by 
> Norm earlier on in this thread (now snipped). My /etc/X11/XvMCConfig 
> contained a non-existent file and once this was corrected XvMC sprang 
> into life and my cpu load is now miniscule using DVI and Bob.
> 
> Thankyou, thankyou, thankyou Norm
> 
> Greg

At least I was able to help someone.  Dylan, can you post the output of
"mythfrontend --version" so we can see what options myth actually
compiled with?

Norm



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