[mythtv-users] MythArchive: No sound on DVD - ffmpeg stream mapping problem

[David Scammell]

I think its a little bug in the mythburn.py script but not had time to
understand it enough to find it yet. An observation: my soundtrack is the
2nd audio channel on the dvd, the first soundtract is invalid or quiet,
anyone else? Try your coasters again!

dave s

On 9/13/06, Paul Harrison <mythtv at dsl.pipex.com> wrote:
>
> Andrew Meredith wrote:
> > Hi Folks,
> >
> > I have just tried to burn a program from the recorded list to DVD. It
> > all went very nicely indeed until I went to play the finished product.
> > Absolutely superb in all respects but one ... no sound.
> >
> >
> <snip>
> > The problem is that the source file has two separate audio tracks; one
> > mono (0.1) and one stereo (0.2). The ffmpeg command chooses the mono
> > track to reprocess to the DVD format file (Stream #0.1 -> #0.1).
> >
> > I reran the ffmpeg command as above, but with "-map 0:0 -map 0:2" at the
> > end instead and the resultant file had sound.
> >
> >
> <snip>
> > Cheers
> >
> > Andy M
> >
> >
> I thing the algorithm to choose the correct audio stream needs tweaking
> a little. It's worked fine for me in the UK with all the files I've
> tried but I know of a least one other person where it failed to choose
> the correct one. I need some additional information to figure out why
> its not working.
>
> Could you run mytharchivehelper to get the stream info on the original
> file:-
> mytharchivehelper -i /path/to/original/file streaminfo.xml 0
> and email me the resulting file.
>
> Thanks for doing some detective work by the way. I wish everyone would
> do the same :-)
>
> Paul H.
>
>
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