[MEncoder-users] "MPEG: No audio stream found -> no sound." problem for mpg file with sound

[Reimar Döffinger]

On Sat, Dec 06, 2014 at 03:07:48PM -0600, Volker Quetschke wrote:
> On Thu, Dec 4, 2014 at 5:51 PM, Reimar Döffinger <Reimar.Doeffinger at gmx.de>
> wrote:
> 
> > On Thu, Dec 04, 2014 at 04:38:59PM -0600, Volker Quetschke wrote:
> > > On 12/4/2014 12:57 AM, Andrew Udvare wrote:
> > > >> On 2014-12-03, at 14:16, Volker Quetschke <vquetschke at googlemail.com>
> > wrote:
> > > >>
> > > >> I recently updated my mplayer/mencoder version from r34401 to current
> > versions and I found the the
> > > >> new mencoder versions are not able anymore to find audio streams in
> > mpg files. As a result the
> > > >> encoding fails, see stdout/stderr below.
> > > >>
> > > >> I used the following command line:
> > > >> $ mencoder.exe "i:\example.mpg" -ovc xvid -xvidencopts fixed_quant=4
> > -oac mp3lame -o "i:\example.avi"
> > > > Please switch to ffmpeg. mencoder is not maintained any-more.
> > > >
> > > > ffmpeg -i "i:\example.mpg" -c:v libxvid -vtag xvid -vf "fixed_quant=4"
> > -c:a libmp3lame "i:\example.avi"
> > > >
> > > > should give you the same (or similar) output, and maybe fix your issue.
> > > Thanks, but that was only an extra short example to demonstrate the
> > problem.  I didn't know that
> > > mencoder was out of commission.  I guess ffmpeg can do everything
> > (scaling, cropping, deinterlacing,
> > > etc.) that mencoder could do, so I "just" need to get used to a new
> > program.
> >
> > I'd expect that MPlayer can't play the file either though?
> > In that case it will be fixed. Though it might take a bit.
> >
> 
> Just for completeness: mplayer actually played the file with sound,
> although it throws the same error and complains about the missing audio.

I didn't quite figure out why only mencoder was affected I must admit.
However MPlayer was affected by issues with certain -psprobe settings as
well, though there the effect was that video was suddenly incorrectly
detected as H.264.