#install homebrew
brew install --use-gcc ffmpeg --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libxvid
sudo mv /opt/local/bin/ffmpeg /opt/local/bin/ffmpeg_old
sudo ln -s /usr/local/Cellar/ffmpeg/0.6/bin/ffmpeg /opt/local/bin/ffmpeg