;; Outline effect - draw edges as lines
;; Usage: python3 plan.py effects/outline.sexp -p thickness=2 | python3 execute.py - -d . -o output.mp4
;;
;; Parameters:
;;   thickness: outline width in pixels (1 to 5, default: 2)

(recipe "outline"
  :version "1.0"
  :encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)

  (effect outline :path "sexp_effects/effects/outline.sexp")

  ;; Default parameter (overridden by -p thickness=N)
  (def thickness 2)

  (def video (source :path "monday.webm"))
  (def clip (-> video (segment :start 0 :duration 10)))
  (def result (-> clip (effect outline :thickness thickness)))
  result)