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

Paul B Mahol onemda at gmail.com
Fri Jul 17 21:00:31 EEST 2020


On 7/17/20, Steinar H. Gunderson <steinar+ffmpeg at gunderson.no> wrote:
> 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 how to pick scale_factor, more over how to make this recursive at all?

>
>> 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.
>
> /* Steinar  */
> --
> Homepage: https://www.sesse.net/
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