[mythtv-users] XvMC Wrapper not being recognized?

Warren warren-lists at icruise.com
Wed Apr 5 13:17:27 UTC 2006

Chad wrote:
> Hello there fellow Mythers!
> I'm working up a new frontend and have been hitting large snags along
> the way.  The current snag is getting XvMC working with MythTV.  Let
> me start off with my hardware:
> Biostar Socket 478 with onboard Via P4M800CE chipset output over VGA
> CeleronD 310 (~2.2Ghz I think)
> 512MB Ram
> Network boot (no Hard Drive)
> Ok, so I'm trying to get XvMC working for the High Def playback as the
> system is too underpowered (on purpose as I planned on using XvMC for
> High Def) for HD mpeg2 playback (I have no problem using Xv to
> playback mpeg4 720x480 content).  I've finally gotten the Openchrome
> drivers working, and they claim to enable XvMC (in my
> /var/log/Xorg.0.log it agrees).  So I've got:
> /usr/local/lib/libviaXvMCPro.so AND libviaXvMC.so
> My understanding is that I should be using the Pro as this chipset is
> a UnichromePro chipset.  Either way, whichever lib I plug into
> /etc/X11/XvMCConfig When I fire up myth I get an error message from
> XvMC Wrapper saying it cannot load libviaXvMC.so.1 (which I don't even
> have in the Wrapper XvMCConfig file).  So it would seem like it's a
> hard linked library, even though I thought the whole idea behind the
> Wrapper was to not have hard links.
> In the end, I really don't care how I get XvMC working on MythTV, I
> just am hoping to get it working *at all*.
> I'm running gentoo, Xorg-7, and have compiled DRM and Openchrome by
> hand and placed them in their /usr/local equivilents.
> Thanks for any ideas!
> Chad
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OpenChrome XvMC has a max resolution of approximately 1024x768.  Don't
expect to get HiDef working on a VIA chipset with the current software. 
I do not know if it is a hardware or software limitation.


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