Saturday, 30 December 2017

ffmpeg - How to set circle mask using geq filter

I can creat rectangle mask but not creat circle mask. What do I set geq filter options?


rectangle mask setting


ffplay -f lavfi color,geq='st(0,between(X,W/3,2*W/3)*between(Y,H/3,2*H/3));ld(0)*255:128:128'

circle mask image sample


enter image description here

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