This tutorial demonstrates how to use the Mask Generator and Chromakey Alpha effects to create a custom transition from a video clip. Update 03/08/2018: the tutorial now includes how to save the transition and use it in another project   Brilliant! I have just found this post and it has allowed me to create a transition that I always thought was a serious omission from most video editors as a

@Vitaly Hi, There are 2 different ways of using masks in MEP. The first way, and what you are referring to is done by masking an effect on a single video or photo. See the tutorial indicated below, particularly from 8:30 onwards. You either create or load a mask using the dropdown arrow of an effect, Create effect mask or Load effects mask. This puts the effect onto the track below the video and

Yes, that's  what I would call a series of cross-fades, not jump cuts. And the cross-fade transitions could be implemented more easily by applying the first automatically and then using 'Apply to all'. Terry, East Grinstead, UK

I agree with Taumaterea, and would add that the procedure described would result in a cross fade transition.  A jump cut, as I understand it, is simply going from one scene to the next with no transition.

It is quite difficult to comment or rate this item when the objective and the result are unclear. I am guessing from the instructions that you are producing a soft cross-fade within the object? Am I correct?