Datasets:
File size: 2,265 Bytes
541f082 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #!/usr/bin/env python3
"""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()
|