Individual skill

compose-creator-layer

Composite a generated creator track into a product layer, per beat — in the creator's zone on split beats (either side of a seam), full frame on creator beats, hidden on product beats — with the creator's voice as the audio (loudness -14 LUFS) and an optional ducked music bed, or a music-only or silent master for voiceless formats. Free, local ffmpeg. Pairs with footage-cutlist (the layer) and create-creator-takes-h3 (the creator). Use for split-screen (with an optional zoom and brand-colour seam bar), screen-insert and any creator-over-product format.

skills/video/compose-creator-layer/SKILL.md

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Last checked: Nov 11, 2026

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Repository stars (not skill ratings): 1,315
Repository last updated: Nov 6, 2026
License: MIT

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SKILL.mdcore · 3,229 bytes
SKILL.mdcore · 3,229 bytes
scripts/compose.pyruns · 7,418 bytes
skill.meta.jsonasset · 206 bytes
tests/smoke-test.mddoc · 383 bytes
tests/test_compose_split.pyruns · 3,000 bytes

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# compose-creator-layer

## Run

```bash
python compose.py --layer layer.mp4 --beats cutlist.aligned.json --creator creator.mp4 \
    --out reel.mp4 [--music bed.mp3 --music-db -20] [--head 0.30] \
    [--zoom 1.15] [--divider '#RRGGBB' --divider-px 4]
```

- `--layer`: `footage-cutlist` `cut.py` output rendered from the **same** cut list as
  `--beats` (re-render it after `align_beats.py`). `--draft` layers are refused.
- `--creator`: `create-creator-takes-h3` `join_takes.py` output, reel time from 0.
- `--audio creator|music|none`: the voice (+ ducked `--music`), the `--music` bed alone