# movie_sync base config — shared by extract.py and sync_audio_test.py
# TOML is efficient: no yaml dep, stdlib tomllib (py3.11+) parses directly.

[extract]
# Input files — relative to repo root or absolute. Same as extract.py inputs.
# Example: file_a = "/path/to/movie_a.mkv"
file_a = "/path/to/movie_a.mkv"
file_b = "/path/to/movie_b.mp4"
# Window to extract (seconds). This is the ONLY duration needed.
duration = 30
# Start offset in file (seconds, 0 = file start). ffmpeg -ss before -i for fast seek.
start = 0.0
out_dir = "extracted"
target_fps = "24000/1001"   # Blu-ray film 23.976
target_fps_eps = 0.02
# Lossless gray analysis proxy ({stem}_proxy.mkv), built from the LOCAL master
# (never re-reads the originals). Used by sync_video_test.py for fast decode.
proxy = true
proxy_width = 192

[audio]
# Target for re-encode / load. Must be identical for both files.
sample_rate = 48000
channels = 1
# If extracted wavs already exist, sync test can load them directly:
# file_a_wav = "extracted/movie_a_audio.wav"
# file_b_wav = "extracted/movie_b_audio.wav"
# EBU R128 loudness normalization (two-pass loudnorm)
normalize = true
target_lufs = -14       # -14 streaming, -23 broadcast
target_tp = -1.0        # true peak limit (dBTP)
target_lra = 11         # loudness range
# Audio stream selection: null = prompt interactively, int = use that index, "skip" = no audio
# stream = null
volume = 70             # the default volume in ast

[sync]
# Analysis window: null = use full extracted duration; otherwise limit for quick test
# duration = 30  # optional, seconds, null = full
method = "phat"   # "phat" (GCC-PHAT, robust) or "standard" (raw)
use_gpu = "auto"  # "auto" | "cpu" | "cuda" (ROCm/CUDA both via torch.cuda)
out_dir = "output"  # synced output folder

[video]
# Settings for sync_video_test.py (reads ONLY files inside extract.out_dir).
grid = "32x18"     # correlation grid WxH (16x9, 24x14, 32x18, 48x27, 64x36)
bars = true        # auto-crop static letterbox/pillarbox bars before scaling
max_lag = 0.0      # search half-window in seconds (0 = full range)
prefer_proxy = true  # use {stem}_proxy.mkv when present, else {stem}_video.mkv
decode_width = 192   # decode scale width when reading the full master
# Explicit extracted files (optional, relative to repo root or absolute):
# file_a_mkv = "extracted/movie_a_proxy.mkv"
# file_b_mkv = "extracted/movie_b_proxy.mkv"