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[jitter] Efficient way to display a mix of video, image and 3D

williamshome williamshome at gmail.com
Sat Nov 3 08:47:00 MDT 2007


Hi all,

What is your most efficient way to play with Max/Jitter to mix a number of video, image and sometimes 3D render ?

For example, I am capturing a video and stretching it as the background. Now, I would like to add a static frame on top of it. Then a few images which can floating on top of it with 3D motions.

The thing is BIG and have a resolution no less than 1600 x 1200.

Way 1 : Go 3D

I guess the most natural way is to have all the things up there be represented as jit.videoplane and then it is easy to manipulate.

However, I am wondering if I am wasting resources on copying the captured video to texture memory constant, it is the background anyway.

Way 2 : Go 2D

OK. Jitter has all sort of method to bind video as matrix. So, what if we rendering the small clips into matrix and combine it ? Well, this method is very slow with the "to_texture" option.

Way 3 : Go 2D + 3D

Finally, is it possible to have the video and the static frame blended and draw as background; then render the small clips on top of the back-buffer? The method make sense, but I can't find a way to do it in max/jitter.

What's your idea ?

William


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