OpenCV or Libmv for webcam import ?

this is a question related to the use of an external video device such webcam.

i would like to test something:
connecting a webcam and using blender to take a picture from it ! simple ? not really…

what is your suggestion ? wich lib to use ? is there any previous try in that direction?

in other way, what is the first step to include streaming video into image editor ? should i have to wait for the development of the tomato branch ?

After some more research, it seems that is need to wait the tomato branch to be more dev. to see that topic…is that right ?