406cc7c0c7
Add S-expression based video effects pipeline with modular effect definitions, constructs, and recipe files. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
13 lines
510 B
Common Lisp
13 lines
510 B
Common Lisp
;; RGB Split effect - chromatic aberration
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;; @param offset_x float [-50, 50] default 10
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;; @param offset_y float [-50, 50] default 0
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(define-effect rgb_split
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((offset_x 10) (offset_y 0))
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(let* ((r (channel frame 0))
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(g (channel frame 1))
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(b (channel frame 2))
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(r-shifted (translate (merge-channels r r r) offset_x offset_y))
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(b-shifted (translate (merge-channels b b b) (- offset_x) (- offset_y))))
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(merge-channels (channel r-shifted 0) g (channel b-shifted 0))))
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