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Draw Overlays

  • I am new to Video QT, and I am looking to draw overlays on a live video stream.
    This is basically a part of embedded design and I have already have a Video QT code (handed over) that does certain dialogue boxes, but I know want to draw dynamic overlays (rectangle boxes). A brief example is in the image below.


    Any tutorials or example designs would be of great help.

    Thank you.

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