[mythtv-users] My Perennial Problems with XvMC

Brad Fuller bradallenfuller at yahoo.com
Thu Sep 14 17:44:22 UTC 2006

Gregory Keeney wrote:
> Dylan Semler wrote:
>> So one OS and one graphics card later, I'm back to where I was at the 
>> beginning.  I've done all of the tweeks on the XvMC page on the 
>> wiki.  I'm running svn as of earlier today (09/13/2006).  Aside from a 
>> new processor (which will require a new motherboard, which will 
>> require new ram..) I feel that there must be something that can be 
>> done.  However, I also realize now that the length of this post is 
>> likely to deter most people from reading it, but for those of you who 
>> still are, bravo!  I'll post the outputs of mythfrontend and 
>> mythbackend in case anyone can help. 
> I had a similar problem with the GeForce FX 5200 Ultra using XvMC. (I am 
> running Debian Testing).
> I tried many things and was constantly frustrated by the fact that Myth 
> would only play HD in a horribly choppy manner, yet Mplayer seemed to work.
> Turned out that MPlayer was just better at dropping frames: neither were 
> using XvMC properly.
> What made it work was having /etc/X11/XvMCConfig contain the line:
>     libXvMCNVIDIA_dynamic.so.1
> Suddenly, everything worked. Not perfectly (There are some weird offsets 
> that I have not looked into), but it worked and was watchable. Which is 
> nice, as I only have a 1.1GHz Athlon.
> Check your /etc/X11/XvMCConfig (or distribution equivalent).
I've _never_ been able to get HD working on my system. I have
libXvMCNVIDIA_dynamic.so.1 in XvMCConfig and changed rom a 4000 to a
5200 just to see if it'd make a difference. Nada. I have enough
horsepower: AMD 3200.

brad fuller

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