ffmpeg -version

ffmpeg_version

$ ffmpeg -version
ffmpeg version 2.3.3 Copyright (c) 2000-2014 the FFmpeg developers
built on Aug 25 2014 19:47:15 with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.3.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
libavutil      52. 92.100 / 52. 92.100
libavcodec     55. 69.100 / 55. 69.100
libavformat    55. 48.100 / 55. 48.100
libavdevice    55. 13.102 / 55. 13.102
libavfilter     4. 11.100 /  4. 11.100
libavresample   1.  3.  0 /  1.  3.  0
libswscale      2.  6.100 /  2.  6.100
libswresample   0. 19.100 /  0. 19.100
libpostproc    52.  3.100 / 52.  3.100