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Thread: Video editing

  1. Jul 6th, 2001, 08:24 AM #1
    Kzin
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    Question Video editing

    Anyone know how can I use a blue screen technique with MPEG video or AVIs to either add a BMP or second AVI as a background to a foreground video? I guess I'm thinking of either as app OR a VB technique
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  2. Jul 11th, 2001, 01:51 PM #2
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    Unhappy

    There have to be some answers out theire somewhere
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  3. Jul 11th, 2001, 03:55 PM #3
    filburt1
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    You'd have to go through pixel by pixel, but you'd still have to deal with anti-aliasing (partially blue pixels).
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  4. Jul 11th, 2001, 04:09 PM #4
    Sastraxi
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    And there's always Direct3D. Try mapping 2 triangles with the AVI, and then making another 2 triangles, mapping them with a 32-bit image (with an alpha-channel). This will give you any transparency you'd like. Use the Direct3D surface maker that comes with the SDK. This is the only way that I can see you can do it with reasonable speed.

    Or you can go with directdraw, and hope that the alpha-channels work.
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