festifun

monster/festifun

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Author	SHA1	Message	Date
m3ultra	ec22cbdf1f	Lane C (M4+M5+M6 + timeline): synchronized viewer frontend Full frontend built against the synthetic API (no dependence on lanes A/B/D): M4 — synchronized playback: master clock from performance.now() (never a <video>); per-video correction via requestVideoFrameCallback (exact mediaTime) with a currentTime+half-frame fallback — hard-seek >150ms / nudge playbackRate +/-5% 20-150ms / lock <20ms; out-of-range videos pause+dim; single audio source; dev sync-error overlay. Timebase mirrors config.py (lib/timebase.js). Verified: seek is exact to 0ms; continuous inter-video desync 13ms mean / 46ms max. M5 — 3D viewer: PLY point cloud, per-video camera paths + current-pose frusta, OrbitControls, snap-to-camera (intrinsics->PerspectiveCamera fov) + free roam. All COLMAP->Three.js via the frozen lib/pose.js; pose interpolation in lib/poseTrack.js (slerp+lerp of contract inputs). M6 — anchor overlays: letterbox-correct per-video canvas; anchors projected via pose.js; behind-camera cull. Projection agrees with an independent pinhole to 1.45e-13 px. Timeline — colored event markers + legend, hover tooltip, click-to-jump; draggable scrubber. Phase-3 seams (annotate.js M8, camPath.js M9) left as stubs. No frozen files edited; no new deps; no change requests. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>	2026-07-16 08:45:51 +10:00
m3ultra	cf6a6fb2c8	Foundation (M0 + M3 + frozen contracts): scaffold, synthetic fixtures, full API What now works: - M0 scaffold: pyproject (all spec deps), uv/py3.12 env, `python -m festival4d` CLI registering synthetic\|ingest\|sync\|reconstruct\|events\|serve. Vite hello page. - Synthetic fixture (synthetic.py): 3 shifted-audio videos (offsets 0/+1370/-842 ms), camera-arc poses, stage point cloud -> points.ply, seeded events + anchors, ground_truth.json. `python -m festival4d synthetic` populates data/ + DB. - DB schema exactly per spec §2 (db.py) + CRUD helpers all lanes use. - M3 API (api.py) full against synthetic data: manifest/poses/pointcloud/anchors/ events/detect/annotations; Range-capable video serving (206 verified); CORS for any localhost origin. - Frozen geometry contract: geometry.colmap_to_threejs (M5 math) + unit test (3 known vectors, random round-trip, scipy oracle); mirrored frontend/src/lib/pose.js with identical POSE_TEST_VECTORS. Lane-B stubs: slerp_pose, ray_from_pixel, triangulate_rays, nearest_point_on_ray. - Classifier contract (events_ai.py): MomentClassification model + MomentClassifier protocol + Gemini/Claude/Local provider stubs. - Lane-owned modules stubbed with final signatures (ingest, audio_sync, frames, sfm, events_ai); cli/api catch NotImplementedError and degrade gracefully. - plan/CHANGE_REQUESTS.md created; plan/status/foundation.md updated. Acceptance: pytest 24 passed; serve endpoints verified via curl + browser (video seek, manifest fetch cross-origin, pose.js self-test, 0 console errors). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>	2026-07-16 00:45:55 +10:00

Author

SHA1

Message

Date

m3ultra

ec22cbdf1f

Lane C (M4+M5+M6 + timeline): synchronized viewer frontend

Full frontend built against the synthetic API (no dependence on lanes A/B/D):

M4 — synchronized playback: master clock from performance.now() (never a <video>);
per-video correction via requestVideoFrameCallback (exact mediaTime) with a
currentTime+half-frame fallback — hard-seek >150ms / nudge playbackRate +/-5% 20-150ms /
lock <20ms; out-of-range videos pause+dim; single audio source; dev sync-error overlay.
Timebase mirrors config.py (lib/timebase.js). Verified: seek is exact to 0ms; continuous
inter-video desync 13ms mean / 46ms max.

M5 — 3D viewer: PLY point cloud, per-video camera paths + current-pose frusta, OrbitControls,
snap-to-camera (intrinsics->PerspectiveCamera fov) + free roam. All COLMAP->Three.js via the
frozen lib/pose.js; pose interpolation in lib/poseTrack.js (slerp+lerp of contract inputs).

M6 — anchor overlays: letterbox-correct per-video canvas; anchors projected via pose.js;
behind-camera cull. Projection agrees with an independent pinhole to 1.45e-13 px.

Timeline — colored event markers + legend, hover tooltip, click-to-jump; draggable scrubber.

Phase-3 seams (annotate.js M8, camPath.js M9) left as stubs. No frozen files edited; no new
deps; no change requests.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-16 08:45:51 +10:00

m3ultra

cf6a6fb2c8

Foundation (M0 + M3 + frozen contracts): scaffold, synthetic fixtures, full API

What now works:
- M0 scaffold: pyproject (all spec deps), uv/py3.12 env, `python -m festival4d`
  CLI registering synthetic|ingest|sync|reconstruct|events|serve. Vite hello page.
- Synthetic fixture (synthetic.py): 3 shifted-audio videos (offsets 0/+1370/-842 ms),
  camera-arc poses, stage point cloud -> points.ply, seeded events + anchors,
  ground_truth.json. `python -m festival4d synthetic` populates data/ + DB.
- DB schema exactly per spec §2 (db.py) + CRUD helpers all lanes use.
- M3 API (api.py) full against synthetic data: manifest/poses/pointcloud/anchors/
  events/detect/annotations; Range-capable video serving (206 verified); CORS for any
  localhost origin.
- Frozen geometry contract: geometry.colmap_to_threejs (M5 math) + unit test (3 known
  vectors, random round-trip, scipy oracle); mirrored frontend/src/lib/pose.js with
  identical POSE_TEST_VECTORS. Lane-B stubs: slerp_pose, ray_from_pixel, triangulate_rays,
  nearest_point_on_ray.
- Classifier contract (events_ai.py): MomentClassification model + MomentClassifier
  protocol + Gemini/Claude/Local provider stubs.
- Lane-owned modules stubbed with final signatures (ingest, audio_sync, frames, sfm,
  events_ai); cli/api catch NotImplementedError and degrade gracefully.
- plan/CHANGE_REQUESTS.md created; plan/status/foundation.md updated.

Acceptance: pytest 24 passed; serve endpoints verified via curl + browser (video seek,
manifest fetch cross-origin, pose.js self-test, 0 console errors).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-16 00:45:55 +10:00

2 Commits