Apply Gaussian blur filter on Vulkan frames.

The filter accepts the following options:

sigma

Set horizontal sigma, standard deviation of Gaussian blur. Default is 0.5.

sigmaV

Set vertical sigma, if negative it will be same as sigma. Default is -1.

planes

Set which planes to filter. By default all planes are filtered.

size

Set the kernel size along the horizontal axis. Default is 19.

sizeV

Set the kernel size along the vertical axis. Default is 0, which sets to use the same value as size.