Hi

I'm trying to put together a video bluescreen and I'm just not finding the right object I think.  pix_multiply sort of does what I want by dropping out white in a video and replacing it with another video but how do I get this working with a defined colour (i.e. not necessarily white but the blue or green normally used in studios).  There seem a few objects that deal with different ways of mixing images/videos pix_mask, pix_mix, pix_composite etc.  Which is the right one to use?  Thanks in advance.

a+

gar

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