yes, there is, and there’s a .blend file available that’s set up to do it, complete with scripts…but darnit, I can’t find it to link it for ya!
It’s not a simple fix, and requires a program called Pure Data. There are folks out there who use the BGE as a video DJ presentation medium. Pretty cool stuff. Perhaps one of those good folks will post before I find it and get to post back.
(what the heck is capoeira? )
EDIT: OK, I’m back. Heh, I forgot I had actually started a thread that asked the same question! And within that thread is a link to what you want, so here you go.