[mythtv-users] XvMC output not working

Daniel Kristjansson danielk at cat.nyu.edu
Sat Jun 4 12:40:35 UTC 2005

On Tue, 2005-05-31 at 19:29 -0400, Michael Haan wrote:
> > > > > XvMCConfig is only used if MythTV is linked to XvMCW. To see what MythTV
> > > > > is linked to you can use ldd.
> > > > >   ldd /usr/local/bin/mythfrontend  | grep XvMC
> > > > > It may be linked directly to libXvMCNVIDIA.so, or another library. I believe
> > > > > the order of preference is XvMCW, Via, nVidia, I810. XvMCW is wrapper library
> > > > > that allows you to use any of one the others at runtime by updating
> > > > > /etc/X11/XvMCConfig.
> > > So, I think that's similar to my setup.  How do I confirm which
> > > library is being loaded for XvMC at runtime?

> strace seems to be indicating its using /usr/lib/libXvMC.so.1, not any
> of the nvidia drivers (although, it looks like its using nvidia's open
> gl).  How do I change that so it uses nvidia'a xvmc?

Rerun ./configure, make sure config.mak has -lXvMCNVIDIA in the
CONFIG_XVMC_LIBS=... line, after the run. It should look like this:


If it has that do a "make distclean; make; sudo make install" and
you will have hopefully have a working copy of MythTV.

If it doesn't have that by default, please try to figure out why
the configure script isn't working on your computer. If you have
problems first look at the output of "./configure --help", then
the actual shell script.

-- Daniel

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