Sometimes you need one button for the job, and sometimes you need many.
Livestream Studio is a powerful, streamlined video streaming software designed for use with PCs and Livestream's own switcher boxes. While incredibly robust, there isn't MIDI support for using just any controller you'd like. Using the hotkey portion of the software, this bypasses the need to use a regular keyboard to get at specific functions.
Check out the full tutorial at http://learn.adafruit.com/bluelive