multiply
Multiply first video stream pixels values with second video stream pixels values.
The filter accepts the following options:
- scale
Set the scale applied to second video stream. By default is
1. Allowed range is from0to9.- offset
Set the offset applied to second video stream. By default is
0.5. Allowed range is from-1to1.- planes
Specify planes from input video stream that will be processed. By default all planes are processed.