;; Sharpen effect - enhance edge detail
;; Usage: python3 plan.py effects/sharpen.sexp -p amount=2 | python3 execute.py - -d . -o output.mp4
;;
;; Parameters:
;;   amount: sharpening strength (0.5 to 5, default: 2)
;;           higher = sharper edges

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

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

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

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