Re: [gentoo-user] Re: OT - MythTV recordings are jumpy

[Michael Sullivan]

On Sat, 2007-09-15 at 07:44 -0500, Michael Sullivan wrote:
> On Sat, 2007-09-15 at 04:08 +0000, Grant Edwards wrote:
> > On 2007-09-15, Michael Sullivan <michael@××××××××××××.com> wrote:
> >
> > >>> My MythTV recordings are jerky.  Every couple of seconds the
> > >>> recordings will jump sort of pause for about half a second and
> > >>> then jump ahead. Has anyone else seen this?  How can I fix it?
> > >>> Here's my info:
> > >>
> > >> What PVR board do you have? 150,250,350,500?
> > >>
> > >> What did you configure as the playback device?
> > >>
> > >> Does mplayer playback video files smoothly on that machine?
> >
> > > As for the PVR, it's a 250.  mplayer plays videos smoothly,
> > > yes.
> >
> > Does mplayer say it's using the Xv output device?  Something
> > like this?
> >
> >   VO: [xv] 512x384 => 512x384 Planar YV12
> >
> In gmplayer, the driver it claims to use is xv X11/Xv.  It doesn't give
> me the rest of that information you asked for in the interface.  Where
> would it be?
> > Does mplayer play the MythTV recordings smoothly?
> >
> LiveTV is smooth.  I recorded something last night that looked smooth to
> me at the beginning, so it might be fixed.  I won't know for sure until
> we watch the recording later today...
> > [We're trying to figure out if the problem is in the recording
> > or in the playback.]
> >
> > > I'm not sure what you mean by the "playback device".
> >
> > When you configure the MythTV front-end you can select a device
> > to use for playback (for example you can use the MPEG2 decoder
> > in a PVR-350).  If you left it at the default value it's
> > probably OK.
> >

I think I've isolated the problem.  I have an output-to-TV component
that requires 800x600 screen resolution to work.  My normal screen
resolution is 1024x768.  It works fine in 1024x768, but when I switch to
800x600 to use the video component, it's jumpy.  What would cause that?

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