negate
Negate (invert) the input video.
It accepts the following option:
- components
Set components to negate.
Available values for components are:
- ‘y’
- ‘u’
- ‘v’
- ‘a’
- ‘r’
- ‘g’
- ‘b’
- negate_alpha
With value 1, it negates the alpha component, if present. Default value is 0.