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Initial commit: video effects processing system

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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>
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gilesb
2026-01-19 12:34:45 +00:00
commit 406cc7c0c7
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effects/color_cycle.sexp Normal file
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;; Color cycle effect - animated hue rotation over time
;; Usage: python3 plan.py effects/color_cycle.sexp -p speed=2 | python3 execute.py - -d . -o output.mp4
;;
;; Parameters:
;; speed: rotation speed multiplier (0.1 to 10, default: 2)
;; higher = faster color cycling
(recipe "color_cycle"
:version "1.0"
:encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)
(effect color_cycle :path "sexp_effects/effects/color_cycle.sexp")
;; Default parameter (overridden by -p speed=N)
(def speed 2)
(def video (source :path "monday.webm"))
(def clip (-> video (segment :start 0 :duration 10)))
(def result (-> clip (effect color_cycle :speed speed)))
result)