[mythtv] new nVidia drivers and XvMC
John Patrick Poet
john at BlueSkyTours.com
Sat Jul 10 21:22:54 EDT 2004
Daniel Thor Kristjansson wrote:
>]With XvMC and XvmcUsesTextures enabled, the reaction to OSD is about the
>]same. The problem is, normal video has a constant studder to it. The
>]studder is very consistant, and very fast. Like a 30th/sec pause, jump,
>]30th/sec pause, jump, etc, etc, etc. I suppose that it is very
>]consitant may be a good sign -- you might be able to tune it somehow to
>]fix the problem.
>
>Thanks. If we fix the studder, OSD may be better with this method,
>since it seems about the same now with the studder. The studder could be
>some kind of conflict between the OpenGL frame syncing and the use of
>the OpenGL pipeline for compositing. Maybe we wait for the same retrace
>twice.
>
>-- Daniel
>
>
>------------------------------------------------------------------------
>
I tested your hypothesis. I recompiled Myth with OpenGL disabled, and
retested XvMC and XvmcUsesTextures.
Indeed, the consistant/fast studder went away. OSD was as bad as ever,
though.
John
More information about the mythtv-dev
mailing list