File size: 2,456 Bytes
2fa7700 | 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 64 65 66 67 68 69 70 71 72 | """Extract duration of all downloaded videos using ffprobe."""
import json
import subprocess
import os
from pathlib import Path
from concurrent.futures import ThreadPoolExecutor, as_completed
VIDEO_DIR = Path(__file__).parent / "videos"
OUTPUT_FILE = Path(__file__).parent / "video_durations.json"
def get_duration(video_path: Path) -> float | None:
try:
result = subprocess.run(
["ffprobe", "-v", "quiet", "-print_format", "json", "-show_format", str(video_path)],
capture_output=True, text=True, timeout=30)
if result.returncode == 0:
info = json.loads(result.stdout)
return float(info["format"]["duration"])
except Exception:
pass
return None
def main():
video_files = []
for d in VIDEO_DIR.iterdir():
if not d.is_dir():
continue
for f in d.iterdir():
if f.suffix in (".mp4", ".mkv", ".webm") and not f.name.endswith(".part"):
video_files.append(f)
break
print(f"Found {len(video_files)} video files")
durations = {}
with ThreadPoolExecutor(max_workers=16) as executor:
futures = {executor.submit(get_duration, f): f for f in video_files}
for i, fut in enumerate(as_completed(futures), 1):
f = futures[fut]
vid_id = f.parent.name
dur = fut.result()
if dur is not None:
durations[vid_id] = round(dur, 2)
if i % 500 == 0 or i == len(video_files):
print(f" [{i}/{len(video_files)}] processed")
with open(OUTPUT_FILE, "w") as f:
json.dump(durations, f)
vals = sorted(durations.values())
total_h = sum(vals) / 3600
print(f"\nResults ({len(durations)} videos):")
print(f" Total: {total_h:.1f} hours")
print(f" Mean: {sum(vals)/len(vals):.1f}s")
print(f" Median: {vals[len(vals)//2]:.1f}s")
print(f" Min: {vals[0]:.1f}s")
print(f" Max: {vals[-1]:.1f}s")
print(f" <1min: {sum(1 for v in vals if v<60)}")
print(f" 1-5min: {sum(1 for v in vals if 60<=v<300)}")
print(f" 5-30min: {sum(1 for v in vals if 300<=v<1800)}")
print(f" 30m-1h: {sum(1 for v in vals if 1800<=v<3600)}")
print(f" 1-3h: {sum(1 for v in vals if 3600<=v<10800)}")
print(f" >3h: {sum(1 for v in vals if v>=10800)}")
print(f"\nSaved to {OUTPUT_FILE}")
if __name__ == "__main__":
main()
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