Looking for Virtual DV Camcorder

Hi,
I am running a vj software called Firefly which claims to output a preview over Firewire, the idea is to connect your camcorder and be able to preview and record your set.
My own camcorder has no dv so I was wondering if I can connect two pc’s together via firewire and make one pretend to be a camcorder. Is it all possible do you think?

cheers