Untitled

c4rtm4n:/home/arthur/Desktop# ffmpeg -y -i /media/disk/test.avi -title test -vcodec mpeg4 -s 368x208 -r 29.97 -b 768 -acodec aac -ac 2 -ar 24000 -ab 64 -f psp M4V00001.MP4
FFmpeg version SVN-r9756, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --enable-libfaac --enable-gpl --enable-libfaad
  libavutil version: 49.4.1
  libavcodec version: 51.40.4
  libavformat version: 51.12.1
  built on Jul 19 2007 15:43:24, gcc: 4.1.3 20070629 (prerelease) (Debian 4.1.2-13)

Seems stream 0 codec frame rate differs from container frame rate: 23.98 (65535/2733) -> 23.98 (2997/125)
Input #0, avi, from '/media/disk/test.avi':
  Duration: 00:21:33.2, start: 0.000000, bitrate: 1022 kb/s
  Stream #0.0: Video: mpeg4, yuv420p, 640x360, 23.98 fps(r)
  Stream #0.1: Audio: mp3, 48000 Hz, stereo, 160 kb/s
Unknown codec 'aac'