i found this in the docs:

Can't process pix_movie data with pix objects
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POSTED 4/24/99
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BUG: pix_movie sends the data immediately to OpenGL, so there
                is no chance to process the data.
some geos don't render data from pix_movie correctly

cgc

yep, me again :)
 
i get "error: Gem: pix object cannot handle gray image" when sending pix_movie(s) to pix_add...
(same error with pix_mask too)
 
i'm using MJPEG coded videos (yes, they are in color. but i don't think this the problem)
 
(win2k, pd0.35-17, gem 0.85)
 
cheers
-andre
ps. maybe i should use pix_multiimage instead...