Green screen / chroma key iOS

Question

I am trying to do green screen subtraction in real time on iOS. I have included openCV in my project and I can get the raw data from the camera using this tutorial: http://

Answer 1

EDIT: Link broken. Looks like the company may have folded.

Here is a Chroma Key package that (supposedly) supports iOS:

https://tastyblowfish.com/chromagic/index.html

It is a commercial package - I'm not associated with them.