Pastebin

#/usr/local/bin/ffmpeg -i /data/ftp/in/NoemiaVeneziaaccoltacomeunadiva.flv -f 3gp -vcodec h263 -r 15 -s sqcif -acodec libopencore_amrnb -ac 1 -ar 8000 -ab 12 -g 60 -b 64k -y /data/ftp/out/foo.3gp
FFmpeg version SVN-r19836, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-libgsm --enable-postproc --enable-libxvid --enable-libfaac --enable-pthreads --enable-libvorbis --enable-libfaad --enable-gpl --enable-x11grab --enable-nonfree --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3
  libavutil     50. 3. 0 / 50. 3. 0
  libavcodec    52.35. 0 / 52.35. 0
  libavformat   52.38. 0 / 52.38. 0
  libavdevice   52. 2. 0 / 52. 2. 0
  libswscale     0. 7. 1 /  0. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Sep 14 2009 16:05:24, gcc: 4.3.2

Seems stream 1 codec frame rate differs from container frame rate: 49.97 (24983/500) -> 24.98 (24983/1000)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/data/ftp/in/NoemiaVeneziaaccoltacomeunadiva.flv':
  Duration: 00:00:59.51, start: 0.000000, bitrate: 1949 kb/s
    Stream #0.0(und): Audio: aac, 44100 Hz, 2 channels, s16
    Stream #0.1(und): Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 24.98 tbr, 24983 tbn, 49.97 tbc
WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
[libopencore_amrnb @ 0x8ab53f0]bitrate not supported: use one of 4.75k, 5.15k, 5.9k, 6.7k, 7.4k, 7.95k, 10.2k or 12.2k
Output #0, 3gp, to '/data/ftp/out/foo.3gp':
    Stream #0.0(und): Video: h263, yuv420p, 128x96 [PAR 4:3 DAR 16:9], q=2-31, 64 kb/s, 90k tbn, 15 tbc
    Stream #0.1(und): Audio: libopencore_amrnb, 8000 Hz, 1 channels, s16, 0 kb/s
Stream mapping:
  Stream #0.1 -> #0.0
  Stream #0.0 -> #0.1
Error while opening encoder for output stream #0.1 - maybe incorrect parameters such as bit_rate, rate, width or height