How to get videos on to youtube from ps3 or xbox?

i would like to start doing commentarys for mw2 and black ops cus ive got a couple of nukes i got one on rust ffa and i wanted to put it onto youtube and i got one in under a minute but i dont have a computer i have a laptop and is there enyway of doing it and when u go on theater mode on BO it only a 30 second clip so if there enyway of me doing this with a laptop and i would rather it be for the ps3?