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>
21 lines
666 B
Common Lisp
21 lines
666 B
Common Lisp
;; Rotate effect - rotate image around center
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;; Usage: python3 plan.py effects/rotate.sexp -p angle=15 | python3 execute.py - -d . -o output.mp4
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;;
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;; Parameters:
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;; angle: rotation in degrees (-180 to 180, default: 15)
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;; positive = clockwise
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(recipe "rotate"
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:version "1.0"
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:encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)
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(effect rotate :path "sexp_effects/effects/rotate.sexp")
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;; Default parameter (overridden by -p angle=N)
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(def angle 15)
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(def video (source :path "monday.webm"))
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(def clip (-> video (segment :start 0 :duration 10)))
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(def result (-> clip (effect rotate :angle angle)))
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result)
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