[mythtv-users] IONITX-C tearing 1080p
chad.voelker at gmail.com
Mon Dec 7 23:02:14 UTC 2009
> > Chad Voelker [chad.voelker at gmail.com] wrote:
> > Maybe, I need to play with the refresh rate via xrandr? This is
> > reports:
> > Screen 0: minimum 320 x 175, current 1920 x 1080, maximum 1920 x 1080
> > default connected 1920x1080+0+0 0mm x 0mm
> > 1920x1080 50.0* 51.0 52.0 53.0
> > 1680x1050 54.0 55.0
> Andrew Gallatin <gallatin at cs.duke.edu> wrote:
> The refresh rate reporting via xrandr will be
> incorrect on Nvidia unless you disable DynamicTwinView
> Option "DynamicTwinView" "False"
> Seeing 50Hz in xrandr rather than 60Hz drove me nuts until
> somebody pointed this out to me.
Yup, I found that out in my Googling, too. I've played with a few
refresh rates and resolutions without any improvement.
> "Bobby Schwartz" <rschwartz at lastar.com> wrote:
> I'm having approximately the same problem (similar software, same
> hardware, etc.) I see tearing the most during h.264 playback. Mpeg2 is
> fine. I think the board defaults to 256MB. Performance got worse when
> the value was less than 256MB but I didn't see any gain to going above
> 256MB. I'm using 512MB for the frame buffer anyways just in case. I'm
> running diskless w/ a single 2GB stick with the Atom 230. MythFrontend
> doesn't report any errors at normal logging levels.
I guess it is comforting knowing I'm not the only one. : ) I may end up
experimenting with some transcoding, and possibly bringing this to the
Thanks for everyone's input.
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