[mythtv-users] HD video (just "Lost TV show") slows down during play/sound unsyncs
khanh at khanh.net
Thu Feb 25 13:36:26 UTC 2010
On Wed, Feb 24, 2010 at 12:39 AM, Marc MERLIN <marc_mtv at merlins.org> wrote:
> On Wed, Feb 17, 2010 at 01:06:40PM -0600, Goluboff wrote:
> > > I can't quite figure that out. I have mythtv
> > >
> > > I've had it working for a long time. HD shows like Heroes and 10 other
> > > record and play fine (recorded through HD Homerun).
> > > Lost used to be fine, but this season, playback has been bad: the
> > > slows down and then catches up from time to time while the sound gets
> out of
> > > sync on my main frontend.
> > > I checked that my CPU usage is only 30% (dual core duo 3GHz), and I'm
> > > playing with xv.
> > >
> > > I've tried playing the same show on my laptop and the picture still
> > > down and speeds up a bit, but the sound doesn't seem to get out of sync
> > > there.
> > >
> > > Any clue what might be going on?
> > Are you running mythcommflag during the recording? I used to have the
> > same problem you had, and then went to setup and set it to run
> > mythcommflag after the recording, and that's been fixed now.
> > I'm not sure why, it might be an issue of not being able to write to
> > disk fast enough (to both the recording and the seektable), but maybe
> > you should try it out. The downside is you won't have commercial
> > detection until after the recording is done.
> Thanks for the tip, it might indeed be just that.
> It took me a while to find the setting, which for some reason is hidden in
> mythtv-setup, but I'll see if it works better for next week.
> "A mouse is a device used to point at the xterm you want to type in" -
> Microsoft is to operating systems & security ....
> .... what McDonalds is to gourmet
> Home page: http://marc.merlins.org/
> mythtv-users mailing list
> mythtv-users at mythtv.org
The exact same thing happened to me a few weeks ago. I simply turned on
extra audio buffering in the frontend setup and that fixed it.
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