Cerbyo writes:
If you are getting errors when masking for the VSE and not understanding why, this video should shed some light on the problems. It examines the method of masking whereby you apply masks directly to strips as relative/absolute.
This information is meant to append the masking tutorials found in the Blender VSE Series (II and III specifically), found in the full playlist below. As such, it is not meant to be a standalone guide to blender vse masking. A pre-existing level of fluency with the masking system is recommended.
Blender VSE: Absolute VS Relative Masks:
Blender VSE Tutorials Playlist:
