[FFmpeg-devel] [PATCH] avfilter: add radial and circular blur video filter

[Steinar H. Gunderson]

On Fri, Jul 17, 2020 at 06:54:40PM +0200, Paul B Mahol wrote:
> But crucial info is missing. How one build vectors?

(point - center) * scale_factor + center

> And what about circular blur?

I've never seen anyone try it, but one would assume it can be done by
blending rotations in a similar recursive fashion.

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