AdHost

Preroll and Visual Ad Delivery for SCPR.

ffmpeg

FFMpeg (2.13+) must be installed with fdkaac and lame.

On OS X, you can use Homebrew:

# lame is installed by default
brew install ffmpeg --with-fdk-aac

On Linux, you'll need to compile manually. See circle.yml for the step-by-step list that gets run on Circle CI to install ffmpeg.