horizonmoine30/omnitab-demucs

OmniTab Demucs

Stem-separation backend for OmniTab, a PWA guitar companion.

Powered by Meta's Demucs (Hybrid Transformer model).

API

• —GET /health — liveness probe (returns device, model, torch version)
• —GET / — root liveness ping (HF Spaces uses this)
• —POST /separate-stream?stem=guitar — upload audio file, get back the isolated stem as WAV
• —GET /youtube-audio?url=… — extract MP3 from a YouTube URL via yt-dlp (10 min cap, configurable via OMNITAB_YT_MAX_DURATION_S). Title returned in X-Omnitab-Title header.

Usage from OmniTab

The PWA defaults to this Space in production. To self-host instead:

1. 1.Copy your Space's URL (e.g. https://your-user-demucs.hf.space)
2. 2.In OmniTab, go to Settings → Backend Demucs
3. 3.Paste the URL and save
4. 4.The Transcriber page will then show "Demucs disponible" and use stem isolation + YouTube import against your Space.