[FFmpeg-trac] #10128(ffmpeg:new): [Feature request] Blend mode for overlay

[FFmpeg]

#10128: [Feature request] Blend mode for overlay
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             Reporter:               |                     Type:
  1et0ovnu6lk6                       |  enhancement
               Status:  new          |                 Priority:  wish
            Component:  ffmpeg       |                  Version:
             Keywords:  ffmpeg,      |  unspecified
  blend mode                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Hello, it would be great if you add "Blend mode" (like in photoshop /
 premiere) for images that using for watermarks on videos.

 Here is how it looking in photoshop:

 https://photographylife.com/wp-content/uploads/2021/04/BlendMode1.png

 Without blend mode (overlay):
 https://i.imgur.com/SLrrVPx.png
 With:
 https://i.imgur.com/IjWXBvf.png
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Ticket URL: <https://trac.ffmpeg.org/ticket/10128>
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