How many frames should the Movie Render Pipeline produce before pausing. Set to zero on launch to stall at the first frame. Debug tool.
-1: Don't pause after each frame (default)
0: Process engine ticks but don't progress in the movie rendering pipeline.
1+: Run this many loops of the movie rendering pipeline before pausing again.
Usage
MovieRenderPipeline.FrameStepDebug [value]
Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.
