Forums > MaxMSP

How: Live video buffer + looping

April 5, 2011 | 1:09 pm

Hi there,
I’m Lizzy, a photographer who recently discovered a passion for Max MSP! I just joined this forum, because I am kind of stuck.

For a project, here is what I want to do.

I want for a person to walk into a room, and see themselves on a screen (via a single video input). Then, based/triggered on their movement, I want the live video to jump back to a few seconds back, and loop, distort etc.
Ideally, I would like to have a live video buffer, with different effects attached, so that the output video can switch from a looping video, to a slow-mo video etc. and switch back and forth.

I am familiar with the motiontrigger and I understand how to use it to trigger certain effects, but what I don’t know is how to accomplish having a *live* video buffer and additionally loop it.

Is there a specific object I need to use? Or is there another program that is better suited for my idea?

Hope I made myself clear and that you guys can push me in the right direction.

Thank you very much! :)

Lizzy


April 5, 2011 | 5:11 pm

jit.matrixset is the secret. Coming up with good ways to drive it with frame numbers is the other secret. Check it out and come back if you have any questions.


April 5, 2011 | 9:29 pm

Thanks so much! :)
I’ll mess around with it, trying to figure it out and see what comes out of it.
Thanks for the suggestion!


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