[MEncoder-users] mencoder binary

Grozdan Nikolov microchip at chello.be
Mon Aug 6 10:43:51 CEST 2007


On Monday 06 August 2007 01:16, Tobias Brockamp wrote:
> Am 06.08.2007, 00:23 Uhr, schrieb Moritz Barsnick <barsnick at gmx.net>:
> > Hi Tobias,
> >
> > On Mon, Aug 06, 2007 at 00:04:33 +0200, Tobias Brockamp wrote:
> >> :-) i already use this version, i strongly need a way to decode ac3
> >>
> >> audio,
> >> my mencoder command line output the following:
> >
> > [...]
> >
> >> Opening audio decoder: [liba52] AC3 decoding with liba52
> >> Using SSE optimized IMDCT transform
> >>
> >> Too many video packets in the buffer: (4096 in 8263814 bytes).
> >> Maybe you are playing a non-interleaved stream/file or the codec failed?
> >> For AVI files, try to force non-interleaved mode with the -ni option.
> >> A52 sync failed
> >
> > Hmm, there are many failures here. Are you sure the video is okay? Can
> > mplayer actually play it? Can mplayer dump the audio to a file?
>
> The video(s) are from a digital camcorder both mpeg2 and playable with
> mplayer.
> how would you dump the audio stream to file, i'm not very familiar with
> mencoder
> in this way.

mplayer file.avi -vc null -vo null -ao pcm:fast

if it has more than 2 channels, then add -channels x
where x is the number of channels the audio has

>
> >> Requested audio codec family [ac3] (afm=libac3) not available.
> >> Enable it at compilation.
> >
> > I think the mentioned libac3 is deprecated (according to the sources).
> > Your program call actually tries to use the built-in liba52 (which it
> > should). Perhaps libac3 is a non-functional fallback.
> >
> > Ffmpeg (the program, not the lib) may be another tool to try.
> >
> > Sorry, but HTH,
> > Moritz
> >
> >> Erstellt mit Operas revolutionärem E-Mail-Modul:
> >> http://www.opera.com/mail/
> >
> > Ein Opera-Nutzer! Prima! :-))
>
> yeah, auf dem pc unschlagbar:-) bin aber eigentlich mac-user, wegen den
> ganzen
> video kram muss ich leider oft auf windoof zurückgreifen.
>
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> > MEncoder-users at mplayerhq.hu
> > http://lists.mplayerhq.hu/mailman/listinfo/mencoder-users



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