[mythtv-users] VIA EPIA XvMC problems upgrading from 0.18 to 0.19
R. G. Newbury
newbury at mandamus.org
Wed Mar 8 15:58:27 UTC 2006
Stephen Dolan wrote:
> On 3/7/06, Robin Gilks <g8ecj at gilks.org> wrote:
>> Nobody has yet mentioned the libxvmcw wrapper library that mythtv, mplayer
>> and xine use to get access to the xvmc acceleration. I spent a long time
>> finding that wrinkle!!
>>
>
> Yes, you do need the libXvMCWrapper library, although if libviaXvMC is
> being built when you build Xorg, then you should get the wrapper too.
> In /usr/X11R6/lib on my box, I have:
>
> lrwxrwxrwx 1 root root 15 Feb 27 14:11 libXvMCW.so -> libXvMCW.so.1.0
> lrwxrwxrwx 1 root root 15 Feb 27 14:11 libXvMCW.so.1 -> libXvMCW.so.1.0
> -rwxr-xr-x 1 root root 18300 Feb 27 14:11 libXvMCW.so.1.0
> lrwxrwxrwx 1 root root 20 Feb 27 14:11 libviaXvMCPro.so ->
> libviaXvMCPro.so.1.0
> lrwxrwxrwx 1 root root 20 Feb 27 14:11 libviaXvMCPro.so.1 ->
> libviaXvMCPro.so.1.0
> -rwxr-xr-x 1 root root 80084 Feb 27 14:11 libviaXvMCPro.so.1.0
> lrwxrwxrwx 1 root root 17 Feb 27 14:11 libviaXvMC.so -> libviaXvMC.so.1.0
> lrwxrwxrwx 1 root root 17 Feb 27 14:11 libviaXvMC.so.1 -> libviaXvMC.so.1.0
> -rwxr-xr-x 1 root root 75608 Feb 27 14:11 libviaXvMC.so.1.0
>
> although I don't need the libviaXvMCPro.so.1.0 as I have the M10000
> with CLE266 chipset. Then the file /etc/X11/XvMCConfig tells the
> wrapper which XvMC library to load
>
>> Or am I thinking of 3D acceleration...
>>
>
> 3D acceleration is a whole different ballgame and needs the Unichrome
> Mesa driver (unichrome_dri.so) along with LibGL.so.1.2
>
> However, AFAIK 3D acceleration is not strictly required for Myth to work well
The only confusing bit about how this works with myth is that the
building/inclusion of the wrapper library in Xorg is basically
invisible. (Nothing tells you that is has been built and installed.) And
then the mythtv configure reports that it will use '-lviaXvMCW' when you
have carefully enabled xv, xvmc, xvmc-pro and xvmc-vld. Since none of
those items appears in the list, it *looks* like there has been an error.
Geoff
--
R. Geoffrey Newbury
Barrister and Solicitor
Suite 106, 150 Lakeshore Road West
Mississauga, Ontario, L5H 3R2
905-271-9600 Fax 905-271-1638
newbury at mandamus.org
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