Re: [PATCH 0/3] Patch to create a circular delogo area

On 2026-07-11 03:02 am, Jörg Habenicht via ffmpeg-devel wrote:
> Dear list,
>
> it's been a while I posted this patch.

Submit the patchset as a PR at code.ffmpeg.org/FFmpeg/FFmpeg

Regards,
Gyan



> It is a patch for the delogo filter. With this I can create a
> circular or elliptic zone to apply the delogo algorithm. The borders are
> defined with x,y,w,h parameter just like the rectangular area definition. To
> become circular I added an additional parameter 'r'=0/1 defaulting to '0' i.e.
> rectangular area definition.
>
> I added a large comment to the function body describing the calculation
> of the ellipse. Hope you don't mind.
>
> The patch now includes a description of the 'r' parameter for the html and man
> pages.
>
>
> The patch has been rebased to the current master branch, tested with
> 'make fate-rsync fate' and applies clean to the master branch, commit
> b4b30ff8fd1580c4fc1330afdf6c8fde242e1754 .
>
> Please consider to patch this in the master branch.
>
> best regards
> Jörg
>
> Jörg Habenicht (3):
>    avfilter/delogo: added circular delogo algorithm description
>    avfilter/delogo: added the circular delogo algorithm
>    avfilter/delogo: update the documentation source file
>
>   doc/filters.texi        | 15 ++++++++++--
>   libavfilter/vf_delogo.c | 52 +++++++++++++++++++++++++++++++++++++++--
>   2 files changed, 63 insertions(+), 4 deletions(-)
>

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