I have over loin on my mac but it says when i try 1 click broadcasting it says "unfortunately your computer does not support the integrated twitch broadcasting service. (Reason: null) but im above the specific specs.
Environment
OSX Mavericks, MacBook Air 13"
Here's how i fixed it, hope it works for you!!! http://www.youtube.com/watch?v=U94C1erkGMo