roberts_opencl

Apply the Roberts cross operator (https://en.wikipedia.org/wiki/Roberts_cross) to input video stream.

The filter accepts the following option:

'planes'

Set which planes to filter. Default value is 0xf, by which all planes are processed.

'scale'

Set value which will be multiplied with filtered result. Range is [0.0, 65535] and default value is 1.0.

'delta'

Set value which will be added to filtered result. Range is [-65535, 65535] and default value is 0.0.

Example

• Apply the Roberts cross operator with scale set to 2 and delta set to 10

  -i INPUT -vf "hwupload, roberts_opencl=scale=2:delta=10, hwdownload" OUTPUT