How do you capture a live video stream?

[JEDI]

I've tried Camtasia. but when i told it to record the Media player screen, it just played back a blank screen.

How do you record a live video stream?

 

[Pirotech]

Read it,
it's useful tip to my mind.
http://all-streaming-media.com/record-video-stream/
http://emoney.al.ru/capture-streaming-video-and-audio/