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I'd like to use video with an alpha channel. I now have a Quicktime movie with the animation codec (that supports an alpha channel).
Is the video library able to read the alpha channel? I came across a solution with the GSVideo library, however I think this library is now integrated in Processing 2. Daniel Shiffman suggest to use two movie files and then to mask, however that makes the application kind of heavy.
Another solution I was thinking was to use a chromakey shader (I actually implemented that already), however using alpha information directly is much nicer of course.