mocapgod/PROGRESS.md
type-two 7819e12a5a Lane B / B1: pose-model bake-off + SMPL decision gate
Fresh SOTA survey (per PLAN — distrust the snapshot). Findings:
- MoCapAnything V2 (MIT code+weights, no SMPL, BVH-direct onto arbitrary
  rig) is the pick — sidesteps the SMPL commercial-license hard-stop and
  collapses the SMPL->mixamorig mapper + most of Lane C retarget.
- GVHMR: best accuracy but non-commercial code license -> reference only.
- GEM-X: commercial-clean + perfect output but CUDA-only -> off-fleet.

Stopped at the John-decision gate (docs/DECISIONS.md): confirm engine,
clear m3ultra disk (97% full), supply test footage. Inference eyeball,
B2 service-ize, B3 jitter remain.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-17 01:10:26 +10:00

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# MOCAPGOD progress ledger
One lane per session. Tick on completion. See PLAN.md for acceptance checks.
- [x] **Lane 0** — bootstrap. git + .gitignore, docs/LICENSES.md skeleton,
spec/mixamorig_bones.json (65 bones, `mixamorig:` colon-prefixed). — 2026-07-17
- [x] **Lane A** — capture + ingest. docs/CAPTURE.md protocol, ingest.py
(probe → 30fps normalize → rename → rsync to m3ultra queue → LEDGER.tsv). — 2026-07-17
- [~] **Lane B** — pose engine (m3ultra). B1 research + selection DONE (2026-07-17):
picked **MoCapAnything V2** (MIT/MIT, no SMPL, BVH-direct onto mixamorig) — see
`docs/B1_BAKEOFF.md`. **Stopped at the John-decision gate** (`docs/DECISIONS.md`):
confirm engine + clear m3ultra disk (97% full) + supply test footage. Inference
eyeball, B2 (service-ize), B3 (jitter) remain.
- [ ] **Lane C** — retarget + cleanup (Blender). bvh → mixamorig FBX + QC turntable.
- [ ] **Lane D** — clip factory. `mocap` CLI end-to-end; games + Unreal integration.
- [ ] Lane E — ML upgrades (post-v1, gated).
- [ ] Lane F — UX (optional).
## Notes for the next lane
- **MoCapAnything is BVH-direct onto an arbitrary rig.** If it hits mixamorig directly, do
NOT build `spec/smpl_to_mixamorig.json` (B2 task 2) or Lane C's constraint-retarget rig —
both are obsoleted. Verify the direct-to-mixamorig path first; only build a mapper if it
can't. (`# ponytail: don't write the retarget machinery a BVH-direct model deletes.`)
- **Check MPS + global-trajectory FIRST next session** (the two unproven risks in B1_BAKEOFF).
MoCapAnything ships a ~160MB sample + HF demo — smoke-test without waiting on John's footage.
- Ground-truth skeleton naming is **`mixamorig:`** (colon), armature object named `Armature`.
Lane C's name-map must handle colon vs underscore variants (PLAN warned about this).
- Blender headless entrypoint: `/Applications/Blender.app/Contents/MacOS/Blender --background --python <script>`.
- House style for Blender scripts: `~/Documents/character_kit/scripts/merge_anims.py`
(note its units warning: mixamorig head sits at ~0.0505 native units — don't rescale via parent).