The Demo Video Was the Easy Part
I needed demo videos for two pre-revenue products: one that reads supplier invoices and computes per-product margins, one that watches trucks leave a quarry and classifies what they’re carrying. No budget for an agency. So I built them with an agent, ffmpeg, a headless Chromium and a free text-to-speech voice. The rendering pipeline took an afternoon. Everything else took two days, and none of it was video work. The problem isn’t generation Script-to-video is a solved commodity. Synthesia will turn text into a presenter for about USD 18/month. Arcade will turn a screen recording into a guided demo for USD 32. Both are good at what they do, and neither touches the part that actually costs anything. ...