You need the AA3 audio codec,DIVX is a totally different video codec.
All you have to do in order to play would be to install the codec for it. Try this
http://www.free-codecs.com/download/ac3_filter.htm
I am after a 5speed gearbox for my Datsun 1600 that has an L 18 engine fitted. I can get hold of a cheap Bluebird that has a CA 20 engine & 5 speed in it. Will the CA box fit the L 18 block?