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r19 renders out an additional “A_” alpha matte movie? – no matter what checkboxes are set – = update: it’s a BUG
We recently upgraded to R19 here at work here, and discovered that it’s switched to using Media Core to render out , we used to render out elements using Animation Millions+… but now forced to render to ProRes 4444 in order to render out a movie with an imbedded Alpha channel.
BUT, no matter what checkbox we have checked, it still seems to render out an ADDITIONAL alpha-matte movie.
Any idea how to turn this off? as there’s no need for it since the main movie already has an alpha.
thanks