...It is a java application but at this moment it work on linux only, but I think it should be easy get it working for M$W.
It works but it is a beta version, your linux user has to be able to read and write on "/dev/usbtmc0" (see readme.txt" file).
Java API for controling 1394 Digital Cameras (based on libdc1394: http://sourceforge.net/projects/libdc1394/ for Linux, and on: CMU 1394 DC http://www-2.cs.cmu.edu/~iwan/1394/ for Win32). On Top of the library comes a RCP plugin and a JMF capture dev