File size: 2,185 Bytes
a96d4f6 | 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 | import os
import subprocess
import re
from pathlib import Path
def get_video_dimensions(file_path: str) -> tuple[int, int] | None:
"""Extract original video width and height from HandBrakeCLI --scan output."""
try:
# Run HandBrakeCLI --scan and capture stderr (it prints to stderr)
result = subprocess.run(
["HandBrakeCLI", "-i", file_path, "--scan"],
stderr=subprocess.PIPE,
stdout=subprocess.PIPE,
text=True
)
output = result.stderr + result.stdout
# Find "+ size: 1920x1080" line
match = re.search(r"\+ size:\s*(\d+)x(\d+)", output)
if match:
width = int(match.group(1))
height = int(match.group(2))
return width, height
else:
raise RuntimeError("Could not parse width and height from HandBrakeCLI output.")
except Exception as e:
print(f"[ERROR] Failed to get dimensions for {file_path}: {e}")
def process_video(file_path: str, qualities=range(40, 11, -2)):
"""Process a video at multiple quality levels, scaling to 0.25x width."""
width,height = get_video_dimensions(file_path)
if width is None or height is None:
return
new_width = width // 4
new_height = height // 4
print(f"Original width = {width}, new width = {new_width}")
print(f"Original height = {height}, new width = {new_height}")
# Ensure output folder exists
out_dir = Path("processed")
out_dir.mkdir(exist_ok=True)
base_name = Path(file_path).stem
for q in qualities:
out_file = out_dir / f"{base_name}_{q}.mp4"
print(f"Encoding {file_path} → {out_file} (quality={q})")
cmd = [
"HandBrakeCLI",
"-i", file_path,
"-o", str(out_file),
"-q", str(q),
"--width", str(new_width),
"--height", str(new_height)
]
subprocess.run(cmd, check=True)
def main():
# Process all mp4 files in the current directory
for file in Path(".").glob("*.mp4"):
print(f"\n=== Processing {file} ===")
process_video(str(file))
if __name__ == "__main__":
main() |