finding out video stream's address

I take it I could use VLC to capture a stream video - provided I have
the stream address. So given a webpage with a streaming video clip, how
do I go about getting the streams' address?

--
Regards,

Karel

K> I take it I could use VLC to capture a stream video - provided I have
> the stream address. So given a webpage with a streaming video clip, how
> do I go about getting the streams' address?

So, is it not possible? Anyone know how to get the address?

--
Regards,

Karel