Video Producer

An automated Reels factory — 16 finished marketing videos in about an hour.

August 3, 2026· ~3.5 hours to build
  • Playwright
  • ffmpeg
  • Automation
  • Marketing
Frames from twelve of the sixteen automatically produced marketing reels
Twelve of the sixteen reels — every frame filmed, voiced, and cut by the factory.
16finished reels produced
~1hto produce all of them
anyapp it can film — by design

After building the Scale Drum, I needed marketing videos. Recording them by hand, sixteen times? No.

So I built a factory instead. Playwright drives the app at phone resolution (1080×1920) and records it with its real audio — I hooked the page’s own AudioContext into a MediaRecorder, so the drum you hear in the reels is the actual instrument playing. AI generates the voiceover and imagery, and ffmpeg composites the overlays and music into finished vertical videos.

Then I pressed go, and it produced a complete 16-video series — one reel for every musical scale the drum plays — in about an hour.

The part that excites me isn’t the sixteen videos. It’s that the factory is app-agnostic by design: point it at any app I’ve built (or will build), and it produces that app’s ad campaign from the app’s own screens. Marketing as a build artifact.

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