406cc7c0c7
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>
20 lines
671 B
Common Lisp
20 lines
671 B
Common Lisp
;; Film grain effect - analog film noise
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;; Usage: python3 plan.py effects/film_grain.sexp -p intensity=0.25 | python3 execute.py - -d . -o output.mp4
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;;
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;; Parameters:
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;; intensity: grain amount (0.05 to 0.5, default: 0.25)
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(recipe "film_grain"
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:version "1.0"
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:encoding (:codec "libx264" :crf 20 :preset "medium" :audio-codec "aac" :fps 30)
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(effect film_grain :path "sexp_effects/effects/film_grain.sexp")
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;; Default parameter (overridden by -p intensity=N)
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(def intensity 0.25)
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(def video (source :path "monday.webm"))
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(def clip (-> video (segment :start 0 :duration 10)))
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(def result (-> clip (effect film_grain :intensity intensity)))
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result)
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