[mythtv] Re: jumping picture

[Peter Lee]

On 5/31/05, Sigurd Nes <sigurdne at online.no> wrote:
> sigurdne wrote:
> >>===== Original Message From Peter Lee <peteratcmu at gmail.com>, Development of
> >
> > mythtv <mythtv-dev at mythtv.org> =====
> >
> >>On 5/30/05, Jarod Wilson <jarod at wilsonet.com> wrote:
> >>
> >>>On Monday 30 May 2005 15:46, David Engel wrote:
> >>>
> >>>>On Mon, May 30, 2005 at 04:19:33PM -0400, Peter Lee wrote:
> >>>>
> >>>>>As another data point, I am seeing the same thing, with a fresh
> >>>>>checkout from around midnight last night.  But the jumpiness is only
> >>>>>with the bob deint turned on.  Reverting to the old version gives a
> >>>>>perfectly stable and clear picture, with bob deint.
> >>>>
> >>>>OpenGL video sync is now a run-time setting and defaults to off
> >>>>because it can cause problems for some people.  Try turning is [back]
> >>>>on.
> >>>
> >>>And the toggle for it is on the same page as the xvmc one:
> >>>
> >>>Utilities/Setup -> Setup -> TV Settings -> Playback -> a few pages in...
> >>
> >>David, Jarod:
> >>
> >>Thanks for the tip.  I should have known better.  I noticed the
> >>various posts about this earlier but somehow didn't connect it up with
> >>this problem.  Turning on OpenGL video sync indeed eliminates the
> >>jumpiness quite nicely...
> >>
> >>Peter
> >
> >
> > It did not do anything for me (enabled both OpenGL video sync and xvmc) -
> > still jumping.
> >
> > Sigurd
> >
> If I switch "Deinterlaced playback" from "Bob" to something else – the
> jumping disappear. Is there a bug in the Bob algorithm?

Hmm...No, I don't think so.  I am running with bob deinterlacing (and
opengl vsync).  In fact, I really need to use bob if I want the best
picture on my setup...

Peter