Audo test mp4 file

[bat guano]

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> goose at p10:/tmp$ ./ffmpeg -i f.aac x.mp3
> FFmpeg version git-9f8f62d, Copyright (c) 2000-2011 the FFmpeg developers
> built on Mar 14 2011 23:32:24 with gcc 4.3.2
> configuration: --enable-static --disable-shared --extra-libs=-static
> --extra-cflags=--static
>....
> Encoder (codec id 86017) not found for output stream #0.0
> ==========================================
>
> CJ

Hi CJ
It looks as though you have compiled ffmpeg without libmp3lame support.
I think that one of your config options should be --enable-libmp3lame.

In the meantime, if you have lame installed on your system you can probably use it like this:-

ffmpeg -i filename.aac -f wav - | lame -b 64 - output.mp3