| |
| """Validate WildShadow-Video paths, frame counts, and paired dimensions.""" |
|
|
| from __future__ import annotations |
|
|
| import argparse |
| import csv |
| import json |
| import subprocess |
| from concurrent.futures import ThreadPoolExecutor, as_completed |
| from pathlib import Path |
|
|
|
|
| def probe(path: Path) -> tuple[int, int, int, str]: |
| payload = json.loads(subprocess.check_output([ |
| "ffprobe", "-v", "error", "-select_streams", "v:0", |
| "-count_frames", "-show_entries", "stream=width,height,nb_read_frames,pix_fmt", |
| "-of", "json", str(path), |
| ])) |
| stream = payload["streams"][0] |
| return int(stream["width"]), int(stream["height"]), int(stream["nb_read_frames"]), stream["pix_fmt"] |
|
|
|
|
| def validate_row(root: Path, row: dict[str, str]) -> str | None: |
| shadow = root / row["shadow_video"] |
| target = root / row["shadow_free_video"] |
| try: |
| a = probe(shadow) |
| b = probe(target) |
| expected = int(row["frame_count"]) |
| if a[:3] != b[:3] or a[2] != expected: |
| return f"{row['clip_id']}: shadow={a}, shadow_free={b}, expected={expected}" |
| except Exception as error: |
| return f"{row['clip_id']}: {error}" |
| return None |
|
|
|
|
| def main() -> None: |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument("--root", type=Path, default=Path(__file__).resolve().parents[1]) |
| parser.add_argument("--workers", type=int, default=16) |
| args = parser.parse_args() |
| manifest = args.root / "manifests" / "clips.csv" |
| failures = [] |
| with manifest.open(newline="", encoding="utf-8") as handle: |
| rows = list(csv.DictReader(handle)) |
| with ThreadPoolExecutor(max_workers=args.workers) as pool: |
| futures = [pool.submit(validate_row, args.root, row) for row in rows] |
| for index, future in enumerate(as_completed(futures), 1): |
| failure = future.result() |
| if failure: |
| failures.append(failure) |
| if index % 100 == 0 or index == len(rows): |
| print(f"Validated {index}/{len(rows)}", flush=True) |
| print(f"Validated {len(rows)} clips: {len(failures)} failures") |
| if failures: |
| print("\n".join(failures[:50])) |
| raise SystemExit(1) |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
