(this is easy!) adding the possibility to use a video file (in "loop") or a video from a second camera as the background. Loop-ing a (background) video can be obtained by adding a simple control when retrieving each frame from the (background) video. Something like:
(this is easy!) adding the possibility to use a video file (in "loop") or a video from a second camera as the background. Loop-ing a (background) video can be obtained by adding a simple control when retrieving each frame from the (background) video. Something like: