;; Tile grid effect - repeat image in grid
;; Usage: python3 plan.py effects/tile_grid.sexp -p rows=2 -p cols=2 | python3 execute.py - -d . -o output.mp4
;;
;; Parameters:
;;   rows: number of rows (1 to 8, default: 2)
;;   cols: number of columns (1 to 8, default: 2)

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

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

  ;; Default parameters (overridden by -p rows=N -p cols=N)
  (def rows 2)
  (def cols 2)

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