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Date: Tue, 12 Dec 2023 09:00:18 +0100
From: Nicolas George <george@nsup.org>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
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Subject: Re: [FFmpeg-devel] [PATCH] Add new vf_tiltandshift filter
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Vittorio Giovara (12023-12-11):
> This is an older filter I wrote and never got around publishing.
> It can be used to generate a distortion effect like
> https://vimeo.com/104938599?share=copy
> Please see attached.

Your code is doing in request_frame() what should be done in
filter_frame(). That will work in simple linear graphs but not in
graphs with branches and/or time shifts. See doc/filter_design.txt for
details.

-- 
  Nicolas George
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