[mythtv-users] Got smooth playback? please post your setup & configuratio

James Buckley xanium4332 at googlemail.com
Mon Aug 7 15:45:51 UTC 2006

Yeh I found the jitter made tv unwatchable

On 07/08/06, Julian Edwards <myth at julian-edwards.com> wrote:
> James,
> Please trim your replies, as per list etiquette.
> James Buckley wrote:
> > I will have to create a modeline that gives exatly 50Hz, as my TV only
> > broadcasts 'Monitor' range values through EDID (as the DVI port is
> > designed for a PC). This makes it difficult to get exatly 50Hz, as
> > most calculation software/websites round the number to 2dp.
> I think starting X with logverbose 5 tells you what EDID modes it gets
> from the TV.  Anyway, specifying VertRefresh as I said will ensure
> others are ignored.
> > - what does "OpenGL vsync" do?
> It allows for precise timing of the vertical refresh.  It's much better
> than trying to use the other methods, although people have reported
> issues with the nvidia drivers which haven't affected me.
> > - should I try and get XvMC working?
> Not necessary really for standard def TV.  I don't use it.
> > - I remember someone saying to turn of OpenGL Vsync when using BOB, is
> > this true?
> That's one of the issues with the nvidia drivers, so try it and see.
> I personally use kerneldeint as the OSD jitter is very annoying for me.
> > Thanks in advance
> No sweat :)
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