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Add barrier_picker_app — Dockerised web picker for barrier opening

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A FastAPI app + plain HTML5 video page that replaces the matplotlib
picker. Browse to http://host:8000/, scrub through each video with
arrow keys (±5 s, ±1 s with Shift, ±0.1 s with Ctrl, ±1 frame with
,/.), and click one of three buttons:
  - All barriers open      — every ROI usable
  - Upper barrier opens    — ROIs 1,3,5 usable; lower row marked bad
  - Lower barrier opens    — ROIs 2,4,6 usable; upper row marked bad

The current playhead time is recorded as opening_s; bad_rois is set
accordingly. Also keyboard shortcuts (1/2/3 for the three modes,
s/u for skip/unusable). Refresh-safe: every submission persists to
data/metadata/barrier_opening.csv before advancing.

Server uses byte-range streaming so seeking inside long videos is
fast. Dockerfile + docker-compose.yml mount the data volume RO and
the metadata folder RW.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Giorgio Gilestro 2026-05-01 12:33:28 +01:00
parent 24403e0474
commit 1a7542def2
7 changed files with 611 additions and 5 deletions
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scripts/barrier_picker_app/Dockerfile Normal file
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FROM python:3.12-slim
WORKDIR /app
# Reason: keep the image small — we only need pandas + fastapi + uvicorn.
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY app.py .
COPY static/ ./static/
ENV HOST=0.0.0.0 PORT=8000
EXPOSE 8000
CMD ["python", "app.py"]