[mythtv] ac3 audio problems 0.21-fixes (r16899)

Khanh Tran khanh at khanh.net
Fri Apr 4 17:17:01 UTC 2008

On Fri, Apr 4, 2008 at 6:08 AM, Daniel Chassot <daniel.chassot at gmail.com> wrote:
> On 4/3/08, Khanh Tran <khanh at khanh.net> wrote:
> > Everything is working great with the upgrade to 0.21-fixes, except AC3
> >  audio.  In an avi file or a DVD, the frontend log fills up with:
> >
> ....
> >
> >  This only happens with files that have AC3 audio.  Everything else,
> >  including live TV and pre-recorded shows works (MP2).  Anyone have any
> >  ideas?  I'm seeing this on my various openSUSE frontends (10.0 through 10.3).
> >  Thanks again for everyone's hard work.
> hello,
> I made some investigations on this exact same problem last weekend and
> found the problem and the fix.
> The buffering problem comes to the fact that the nuppelvideoplayer
> expect audio not being more than 2s away from the video (value 2000 in
> the code). It seems that this value is too small for some files
> containing AC3 (especially in AVI files).
> To fix the problem, I had to increase this limit from 2000 to 4000 in
> the nuppelvideoplayer.cpp file.
> Not that I'm knowing exactly what I'm doing here, but it fixed the
> problem. Perhaps some knowledged devloppers can give some insight on
> what the right value (tm) should be.
> I will provide you my patch when I get back home.
> Daniel

Thanks for your reply, but do you mean the
libs/libmythtv/NuppelVideoPlayer.cpp file?  I searched that file for
the value, but couldn't find it.  I even updated to revision 16946 and
I still have the issue...

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