hi yves,

I've guessed from messages on the list that gem can handle video capture and video files. I'm not too sure, is that right ??

gem can handle video files as openGL texture maps. I never got the capture function to work.

error: GEM: Could not open display ,] error: GEM: Error creating const context error: GEM: A serious error occured creating const Context error: GEM: Do not continue!

i had the same problem on a pc running win2000. it finally turned out to be an openGL problem: one of the two video cards i was using for dual display didn't support it. replacing this card with an opengl compatible one solved it (as did simply deactivating the non-openGL display). GEM is an interesting package so i hope you can get it to work.

Shadi

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