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ffmpeg -i film.mp4 -ab 128k son.mp3

FFmpeg version 0.6.3, Copyright (c) 2000-2010 the FFmpeg developers

built on Apr 27 2011 15:52:28 with gcc 4.5.2

configuration: --prefix=/usr --enable-shared --libdir=/usr/lib --shlibdir=/usr/lib --incdir=/usr/include --disable-stripping --enable-postproc --enable-gpl --enable-pthreads --enable-libtheora --enable-libvorbis --disable-encoder=vorbis --enable-libvpx --enable-x11grab --enable-runtime-cpudetect --enable-libdc1394 --enable-libschroedinger --enable-librtmp --disable-decoder=aac --disable-encoder=aac

libavutil 50.15. 1 / 50.15. 1

libavcodec 52.72. 2 / 52.72. 2

libavformat 52.64. 2 / 52.64. 2

libavdevice 52. 2. 0 / 52. 2. 0

libswscale 0.11. 0 / 0.11. 0

libpostproc 51. 2. 0 / 51. 2. 0

[mov,mp4,m4a,3gp,3g2,mj2 @ 0x9b21440]max_analyze_duration reached



Seems stream 1 codec frame rate differs from container frame rate: 49972.00 (49972/1) -> 24.99 (12493/500)

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'film.mp4':

Metadata:

major_brand : mp42

minor_version : 0

compatible_brands: isomavc1mp42

Duration: 00:02:27.80, start: 0.000000, bitrate: 629 kb/s

Stream #0.0(und): Audio: mp4a / 0x6134706D, 0 channels, 126 kb/s

Stream #0.1(und): Video: h264, yuv420p, 480x320 [PAR 1:1 DAR 3:2], 500 kb/s, 24.99 fps, 24.99 tbr, 24986 tbn, 49972 tbc

Output #0, mp3, to 'son.mp3':

Stream #0.0(und): Audio: 0x0000, 0 channels, 128 kb/s

Stream mapping:

Stream #0.0 -> #0.0

Encoder (codec id 86017) not found for output stream #0.0