# PaperPod tunable thresholds. All values here override the built-in defaults
# in paperpod/config.py; delete a key to fall back to the default.

capture:
  # Frames per second to sample from the source video for analysis.
  sample_fps: 8
  # Frames are downscaled to this width for motion analysis (full resolution
  # is still used for the final document crops).
  processing_width: 960

audio:
  # WAV sample rate for the extracted audio track (16 kHz mono = whisper-ready).
  sample_rate: 16000

motion:
  # Gaussian blur kernel applied before frame differencing (odd number).
  blur_ksize: 21
  # A pixel counts as "changed" if its gray level moved by more than this (0-255).
  pixel_threshold: 12
  # Fraction of changed pixels (0.0-1.0) above which a frame counts as "moving".
  # Raise if sensor noise triggers false motion; lower if small gestures
  # (page flips) are being missed.
  threshold: 0.02
  # A stable stretch must last at least this long (seconds) to count as a window.
  stable_min_duration_s: 1.0

document:
  # Contours smaller than this fraction of the frame area are ignored.
  min_area_ratio: 0.04
  # Canny edge detection thresholds.
  canny_low: 50
  canny_high: 150
  # Apply contrast enhancement (CLAHE) to crops for OCR-readiness.
  enhance: false

speech:
  # Window around a capture event in which to look for a spoken description.
  window_before_s: 3.0
  window_after_s: 5.0

output:
  dir: ./output
  # Paperless-ngx consume directory (module 7, not wired up yet).
  consume_dir: null