The following is quick and easy method to install ffmpeg The Minimum Requirements • An Intel CPU • OS X 10.5 or higher • Command Line Tools for Xcode: xcode-select –install,https://developer.apple.com/downloads or Xcode • A Bourne-compatible shell for installation (e.g. bash or zsh) –> I like the “iTerm” download and install from http://iterm2.com/