[mythtv] high cpu load for xorg with 50fps playback

Markus Schulz msc at antzsystem.de
Sat May 5 12:08:24 UTC 2007

Am Freitag, 27. April 2007 schrieb Markus Schulz:
> Hello,
> i've written a full-framerate patch for mythtv and have integrated
> the adaptive dscaler greedy high motion deinterlacer (taken from
> xine-lib).
> In general it runs nice and perfectly smooth for all interlaced
> material.
> But i have an ugly problem, if i'm run the patched myth on a 50Hz
> display (DFP-beamer) xorg sometimes (rather often) consumes much cpu
> power (max load on a single core). Running on my CRT with 75Hz or
> 100Hz there is no problem.
> Looks like a problem when running with FPS == Refresh Rate.

seems to be an xorg-nvidia-driver problem and could be solved with:

Option "UseEvents"  "true"

inside my xorg.conf device section for my nvidia gt6600 card.

Markus Schulz

"One disk to rule them all, One disk to find them. One disk to bring 
them all and in the darkness grind them. In the Land of Redmond where 
the shadows lie." -- The Silicon Valley Tarot   Henrique Holschuh

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