Sure, but not how you think Here is a capture card meant for Svideo and av inputs.

For just 21 bucks if you insist on being backwards you can have that..

Keep in mind that it most likely functions as a webcam input.

You can also grab any ps2 controller and adapt it to pc via this adaptor

I have a friend who has a arcade level DDR pad that he runs to some open DDR software.

This is how he works out.