[mythtv-users] Strange problem with jerky playback speed just in live tv - V 0.19
Matthias Thyroff
Matthias at thyroff.net
Fri Jun 9 08:37:43 UTC 2006
Thanks, Doug, that fixes it in my case, too!
(No I know why in one case live tv was ok, probably I had pressed pause in
some moment).
Pressing pause is certainly much easier than my workaround, and only a slight
annoyance.
The world cup may begin now!
Cheers
Matthias
Am Freitag, 9. Juni 2006 02:36 schrieb Doug Scoular:
> Hi Matthias,
>
> >When I watch live tv on a remote frontend, the playback skips between two
> >speeds (it does not stop, it goes slower and faster; as far as it can be
> >told, sound is in sync). The periods of slow/fast can be about a second
> > each, or shorter, this is not fixed. Eventually, it gets smooth after
> > some time (I saw this once, when I left it playing for a couple of hours
> > without watching), I do not know what triggers that. When it is jerky,
> > and I open iptraf on the server, I can see that the packets also flow
> > "jerkyly" at about 5000kbit/s; when playback is smooth, the packet flow
> > also looks smooth. Same happens with mpeg decoder "default" "xvmc" or
> > "libmpeg2". I have deactivated glx in my xorg setup (because of some post
> > if found in google), no change.
>
> I have this same problem with 0.19-fixes svn. I have a DVB-T setup,
> whenever
> I watch livetv I see the video subtly alternate between slow and
> fast play. I mentioned
> this on the #mythtv-users irc channel, a while back, and someone
> responded that it
> was a known issue among the developers, but no-one had managed to
> track it
> down. The work around, they said, was to pause and then unpause livetv.
> This works perfectly for me. Note that my system is a single
> backend/frontend
> box. It's only a slight annoyance.
>
> Cheers,
>
> Doug
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