[mythtv-users] A/V diverged by -3 frames

[David Collett]

I've just updated my cvs (today) and have this problem on SBS, WIN(9)
and PRIME(7). ABC and 10 seem to be ok. I also see the issue with
previously recorded programs from those affected channels, but not the
unaffected ones. I am seeing simillar log entries to you.

Please let me know if you have found any solutions or have identified
the date at which the bug was introduced.

Thanks,
Dave


On Tue, 28 Dec 2004 23:36:52 +1000, Christian Hack
<christianh at edmi.com.au> wrote:
> > -----Original Message-----
> > From: mythtv-users-bounces at mythtv.org
> > [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Hamish Moffatt
> >
> > On Tue, Dec 28, 2004 at 08:40:10AM +1000, Christian Hack wrote:
> > > Same deal although 50Hz +  realtime has made my tickers and
> > panning etc go
> > > much smoother. Don't know why I didn't try that before.
> > Thanks for the
> > > suggestion.
> > >
> > > It's just the one channel, and it appears that once
> > transcoded to MPEG4 they
> > > play fine. So it's something to do with the MPEG2 from the
> > DVB card. I can
> > > host a stream of it if someone wants to look. It's
> > obviously very big though
> > > and I only have 128kb/s upstream.
> >
> > I've used SBS with Myth occasionally (though not in the last
> > two weeks)
> > and haven't had any issues like this.
> >
> > > 2004-12-28 08:39:43.531 Video timing method: RTC
> > > 2004-12-28 08:39:43.532 Refresh rate: 19999, frame interval: 40000
> >
> > This might still be a problem occasionally.
> 
> Yep I realise that - I think there might be some rounding errors there.
> Definitely not the problem though this time I believe If that's what's
> really the "frame rate" the error is 0.005% or about 1 frame in 20000 (every
> 400 seconds).
> 
> This is much more severe than that. If you are running latest CVS, can you
> try and run mythfrontend with -v libav,playback options watching SBS?
> 
> This is new since I upgraded to CVS. SBS previously worked fine. Also old
> DVB recordings which previously worked fine are now showing the bad
> playback. I'm currently trying to work out when it went bad but it takes so
> long to compile it's taking me a while to track down.
> 
> CH
> 
> 
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