Hi,
I came to learn a hard way that two video sources can be keyed with
the following:
# melt BACKGROUND:VIDEO in=400 \
-track FORGROUND VIDEO in=450 \
-filter chroma key=0x00ff0000 variance=0.45 \
-transition composite
However there are a few caveats:
§1. How can one remove keyspills to around the keyed video from command line?
§2. How to fine tune the keying like one can do with kdenlive in
command line? Like adding blur, keyspill-mopup and so on?
Thanks!
/z
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