[mythtv-users] Xvmc and nVidia cards

[R. G. Newbury]

MythTV wrote:
> I did this and it my CPU utilization went down to about 40% on HD  
> streams.  The video actually looks really great in high action.   
> Unfortunately, the sound has a break / hick-up / studder every 1.5 to  
> 2 seconds.  (When you're watching American Idol, this can be a bit  
> annoying.)  The studder only occurs while XvMC is on.  If I turn XvMC  
> off, the sound problem goes away but my CPU goes back up and action  
> has some problems.
> 
> Following the thread:
> http://www.gossamer-threads.com/lists/mythtv/users/168490? 
> search_string=xvmc%20sound%20studder;#168490
> I have tried turned on/off "Extra audio buffering" on the first page  
> of General playback options but that didn't make a difference.
> 
> Daniel, in the above mentioned thread, actually recommends not using  
> XvMC with HD streams.  Is that the general consensus?
> 
> Does anyone else have a suggestion for me?
> 
> Rob
> On Apr 23, 2007, at 4:41 PM, Geoff Mishkin wrote:
> 
>> Try putting the text:
>>
>> libXvMCNVIDIA.so
>>
>> in /etc/X11/XvMCConfig
>>
>>              --Geoff Mishkin <gmishkin at bu.edu>
>>
>> John Overchuk wrote:
>>> I can't seem to get my nVidia 6200 to work with xvmc under Ubuntu  
>>> Feisty
>>> 7.04.  I compiled myth with the following options:
>>>
>>> --enable-proc-opt --enable-xvmc
>>>
>>> Are there any other parameters I need?  I get Standard Xvmc as an  
>>> option in
>>> the playback settings, but it doesn't actually use it.  Is there a  
>>> certain
>>> setting I need in my xorg.conf?

You can *try* clearing 'Use video as timebase' in Frontend->Setup->TV 
Settings-> Playback.

It may help, or may not depending...

Geoff


              R. Geoffrey Newbury			

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