channels

Channels parameters	Argument	Default value	Notes
keep red channel (?)	boolean, 0 or 1	0
keep green channel (?)	boolean, 0 or 1	0
keep blue channel (?)	boolean, 0 or 1	0

This filter can be used to keep e.g. only one channel. If no channels are kept then the output will be black.

Example:

Before

Keep red

{ effect = "channels", params = ( 1, 0, 0 ) },

Drop red (keep blue and green channels)

{ effect = "channels", params = ( 0, 1, 1 ) },

Back to Filters.