despill

Remove unwanted contamination of foreground colors, caused by reflected color of greenscreen or bluescreen.

This filter accepts the following options:

'type'

Set what type of despill to use.

'mix'

Set how spillmap will be generated.

'expand'

Set how much to get rid of still remaining spill.

'red'

Controls amount of red in spill area.

'green'

Controls amount of green in spill area. Should be -1 for greenscreen.

'blue'

Controls amount of blue in spill area. Should be -1 for bluescreen.

'brightness'

Controls brightness of spill area, preserving colors.

'alpha'

Modify alpha from generated spillmap.