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2025-09-08 13:22:58 +09:00
parent a96e5f810b
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from subprocess import check_call
from pathlib import Path
import argparse
import sys
def main():
agupa = argparse.ArgumentParser("formtool", "ffmpeg shortcuts")
arg = agupa.add_argument
arg('files', nargs='+', help="One or more video files to compress.")
arg('--crf', type=int, default=36, help="Constant Rate Factor for quality control (lower is better quality)")
arg('--preset', type=int, default=8, help="Encoding preset for speed/quality trade-off.")
args = agupa.parse_args()
# Process each file provided on the command line
for file_str in args.files:
video_path = Path(file_str)
if not video_path.exists():
print(f"Error: File not found, skipping: {video_path}", file=sys.stderr)
continue
output_filename = f'{video_path.stem}.comp.av1-crf{args.crf}.mp4'
print(f"-> Compressing '{video_path.name}'...")
print(f" CRF: {args.crf}, Preset: {args.preset}, Output: '{output_filename}'")
try:
# Construct and run the ffmpeg command
check_call([
'ffmpeg',
'-hide_banner', '-i', video_path,
'-c:v', 'libsvtav1',
'-crf', str(args.crf),
'-preset', str(args.preset),
'-c:a', 'libopus',
'-b:a', '96k', '-vbr', 'on',
output_filename
])
print(f" Compression successful.")
# Remove the original video after successful compression
video_path.unlink()
print(f" Removed original file: '{video_path.name}'\n")
except Exception as e:
print(f"An error occurred while processing {video_path.name}: {e}", file=sys.stderr)
print(" Leaving original file intact.\n", file=sys.stderr)
if __name__ == "__main__":
main()