macbookpro:tools midiane$ ffmpeg -version
FFmpeg version 0.5.1, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --prefix=/opt/local --disable-vhook --enable-gpl --enable-postproc --enable-swscale --enable-avfilter --enable-avfilter-lavf --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libdirac --enable-libschroedinger --enable-libfaac --enable-libfaad --enable-libxvid --enable-libx264 --enable-nonfree --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/gcc-4.2 --arch=x86_64
  libavutil     49.15. 0 / 49.15. 0
  libavcodec    52.20. 1 / 52.20. 1
  libavformat   52.31. 0 / 52.31. 0
  libavdevice   52. 1. 0 / 52. 1. 0
  libavfilter    1. 4. 0 /  1. 4. 0
  libswscale     1. 7. 1 /  1. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Feb 16 2011 00:42:59, gcc: 4.2.1 (Apple Inc. build 5659)
FFmpeg 0.5.1
libavutil     49.15. 0 / 49.15. 0
libavcodec    52.20. 1 / 52.20. 1
libavformat   52.31. 0 / 52.31. 0
libavdevice   52. 1. 0 / 52. 1. 0
libavfilter    1. 4. 0 /  1. 4. 0
libswscale     1. 7. 1 /  1. 7. 1
libpostproc   51. 2. 0 / 51. 2. 0