Messy MIDI File Work on OS X
I know, who in their right mind still deals with MIDI files?
I’d been contributing to a project (periodically) which does still use them, however. Previously on OS X, you’d just shove it into QTKit, and let it handle the whole thing. It worked well, though slightly poorly documented.
Well, in more recent versions of OS X things have changed a bit. (XCode 8, OS X 10.11, 10.12, at the very least.