I think its the h264 that is giving you the trouble.  You need to recompile ffmpeg with the --enable-x264 option. (While you are at it, might as well also do --enable-xvid, --enable-faac. Expect to have to install some -devel package prerequisites.

-Charles

der.hans wrote:
$ ffmpeg -i cimg2112.mov cimg2112.avi FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2007 Fabrice Bellard, et
al.
  configuration: --enable-gpl --enable-pp --enable-swscaler
--enable-pthreads --enable-libvorbis --enable-libtheora --enable-libogg
--enable-libgsm --enable-dc1394 --disable-debug --enable-shared
--prefix=/usr
  libavutil version: 1d.49.3.0
  libavcodec version: 1d.51.38.0
  libavformat version: 1d.51.10.0
  built on Mar 12 2008 14:31:53, gcc: 4.2.3 (Ubuntu 4.2.3-2ubuntu4)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'cimg2112.mov':
  Duration: 00:00:01.6, start: 0.000000, bitrate: 14266 kb/s
  Stream #0.0(eng): Video: h264, yuv420p, 1920x1080, 59.94 fps(r)
  Stream #0.1(eng): Audio: 0x1100736d, 44100 Hz, stereo
Output #0, avi, to 'cimg2112.avi':
  Stream #0.0: Video: mpeg4, yuv420p, 1920x1080, q=2-31, 200 kb/s, 59.94
fps(c)
  Stream #0.1: Audio: mp2, 44100 Hz, stereo, 64 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Unsupported codec (id=0) for input stream #0.1