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Add docs/hero-video with storyboard, capture checklist, timeline.toml, and an ffmpeg assembler that burns a first-ship session clock, applies per-segment speed (time-lapse / slow-mo), generates open/end cards from hero.jpg, and supports --placeholders for smoke builds without footage.
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| # Trim source read length (pre-speed); setpts shortens the output timeline. | ||
| args.extend(["-t", f"{raw:.4f}"]) |
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-t appears after the input URLs, so FFmpeg applies it to the output rather than limiting input decoding. For any speed < 1 clip this caps the encoded clip at raw seconds instead of its intended raw / speed duration; the default welcome-slow segment is therefore cut to 8 seconds rather than approximately 22.9 seconds, and its clock cannot reach the configured 2:30 endpoint. Limit the input before -i, or use out_dur as the output limit.
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Prefer MCEC for browser/terminal/agent/CI capture (record GIF + agent drive), matching mcec/WinPrint hero recipes. Desk metal stays camera. Document GIF duration limits, segmented takes, and point timeline sources at .gif files.
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Summary
docs/hero-video/so the README hero video (silico × xuss first ship) can be produced and re-cut reproducibly.timeline.tomledit decision list, andbuild.py(ffmpeg) with session-elapsed clock, speed ramps, open still fromdocs/hero.jpg, and end card for https://github.com/tig/silico.Script beats (operator)
hero.jpg+ clock at 0:00How to use
Publish the rendered
out/hero.mp4as a release asset (or similar), then link from README using the existing hero still as poster — documented indocs/hero-video/README.md.Test plan
pytest tests/test_hero_video_build.pypython docs/hero-video/build.py --placeholdersproducesdocs/hero-video/out/hero.mp4record.md, tunetimeline.toml, render final, host asset, embed in README