What is the best way to crop a pip video. FOr example if you have some squares and want to fill the squares with pip videos but not in a normal shrinking/distorting video way.
What's the best practice, a mask or FX ?
Ideally it would be best to have some kind of shortcut for example that when changing size and pressing Alt key it would act like a mask (a bit like Power Clip in Corel Draw )