[FFmpeg-user] Best place for despill filter?

[Paul B Mahol]

On Mon, Nov 16, 2020 at 12:13 PM Michael Koch <astroelectronic at t-online.de>
wrote:

> When I overlay a bluescreen foreground video over a background video,
> which is the best place for the despill filter? (a) before colorkey or
> (b) after colorkey or (c) after overlay?
>
> [foreground](a),colorkey,(b)[fg];[background][fg]overlay,(c)
>
> I found here an example for (c) but I doubt that this makes sense:
> https://gist.github.com/kerbeh/fbe0cd0d89c424708c119e0a0d00ca88
>
>
Why do you doubt that it does make sense?


> Michael
>
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