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* feat(gp_autosync): piecewise time-warp helpers + refine_sync onset pass auto_sync computes per-bar sync points but consumers only ever applied the scalar bar-1 audio_offset, so any tempo drift between the recording and the tab's authored tempo accumulated over the song. Add the librosa-free helpers needed to apply the full piecewise mapping: - bar_start_times(gp_path): per-bar score times sharing auto_sync's axis (GPIF bar-resolution map, GP3/4/5 per-tick integration) - build_warp_anchors(points, bar_starts): monotonic (score, audio) anchors - warp_time(t, anchors): piecewise-linear map with edge-slope extrapolation - warp_song_times(song, warp): retime a lib.song.Song in place (notes, sustains, chords, beats, sections, anchors, handshapes, phrase levels, tone changes, tempo overrides) - gp_has_expandable_repeats(gp_path): detects GP3/4/5 repeat/volta/direction markup whose playback expansion auto_sync's as-written points cannot map Also implement refine_sync() — the editor's refine-sync endpoint has imported it since the snapshot but it never existed in lib, so the Refine button 500'd. It densifies the DTW points to every Nth bar and re-times each with a local onset phase sweep (radius clamped under half a beat to avoid one-beat locks, short scoring grid + median residual snap against the first beats). Synthetic click-track validation: ~13ms mean / ~40ms max error from ±180ms coarse input across 117-123 BPM recordings of a 120 BPM tab. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * review: Copilot round 1 — normalize bar_start_times GP3/4/5 parse failures to ValueError, document ImportError Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> --------- Co-authored-by: Claude Fable 5 <noreply@anthropic.com> |
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| .specify | ||
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| data/progression | ||
| docs | ||
| lib | ||
| plugins | ||
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| specs | ||
| static | ||
| tests | ||
| .dockerignore | ||
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| build-proxmox-ct.sh | ||
| CHANGELOG.md | ||
| CLAUDE.md | ||
| CONTRIBUTING.md | ||
| docker-compose.nas.yml | ||
| docker-compose.yml | ||
| Dockerfile | ||
| LICENSE | ||
| main.py | ||
| package-lock.json | ||
| package.json | ||
| playwright.config.ts | ||
| pyproject.toml | ||
| requirements-test.txt | ||
| requirements.txt | ||
| server.py | ||
| SUPPORTERS.md | ||
| tailwind.config.js | ||
| TODO.md | ||
| uv.lock | ||
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