[mythtv-users] XvMC, i915, latest intel drivers
jb17bsome at bellsouth.net
Thu Apr 10 22:14:33 UTC 2008
On Thu, 10 Apr 2008 13:44:32 -0700
"Billy Macdonald" <billymacdonald at gmail.com> wrote:
> I decided to give the latest Intel RC drivers a shot as they are
> supposed to incorporate XvMC. I have been able to get them installed
> and was able to play back some mpeg using xine and xvmc. So I'm
> pretty sure that the XvMC is working, at least somewhat.
> When I configured mythtv to try to use XvMC it crashes on SD MPEG
> from QAM, and it falls back to xv playback in HD. Xv playback does
> work properly, but the machine doesn't have the guts to play 1080i
> with 1080p output, which is my goal with XvMC. Doing some debuging
> MythTV is determining the max XvMC as 720x576, but xvinfo report
> 1920x1088. Not sure what that's about. But until SD plays with XvMC
> no point in even trying HD :)
> It looks to me like the myth code is deciding to use a textured
> surface and not the overlay surface. Is this how it should work? Any
> ideas on where I should troubleshoot? I spent last night trying to
> dig through the code to understand how it all works, but I really
> don't understand the XvMC stuff very well.
> I've attached my mythfrontend log and xvinfo if anyone feels like
> fedora 8 i386
> Xorg 1.3 (i think, that's what the rpm installed is
> xorg-x11-server-Xorg-188.8.131.52-44.fc8.i386, but the latest Xorg releases
> are in the 7's so that confuses me.)
The intel xvmc drivers only support up to 720x576 surfaces. So, they
won't help for HD. Sorry about that.
Also, Xvinfo gives you information about Xv but not XvMC.
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