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
722 B
Common Lisp
21 lines
722 B
Common Lisp
;; Saturation effect - adjust color saturation
|
|
;; Usage: python3 plan.py effects/saturation.sexp -p amount=2.0 | python3 execute.py - -d . -o output.mp4
|
|
;;
|
|
;; Parameters:
|
|
;; amount: saturation multiplier (0.0 to 3.0, default: 2.0)
|
|
;; 0 = grayscale, 1 = normal, >1 = vivid colors
|
|
|
|
(recipe "saturation"
|
|
:version "1.0"
|
|
:encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)
|
|
|
|
(effect saturation :path "sexp_effects/effects/saturation.sexp")
|
|
|
|
;; Default parameter (overridden by -p amount=N)
|
|
(def amount 2.0)
|
|
|
|
(def video (source :path "monday.webm"))
|
|
(def clip (-> video (segment :start 0 :duration 10)))
|
|
(def result (-> clip (effect saturation :amount amount)))
|
|
result)
|