Hi, I want to copy a bitmap from a source rectangle into a destination rectangle, there are different size. I use StretchBlt,but it is very slow. Can anyone tell me how to speedup it?

I want to capture video frames that is played by Mediaplayer or other players. Can anyone tell me how to do?

I want to capture the entire screen with DirectX 8 or 9? And the performance will not too bad. Who could help me ? Thanks!! ^^