64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
import argparse
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import re
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import subprocess
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import glob
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import sys
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from voussoirkit import pathclass
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from voussoirkit import winwhich
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EXTENSIONS = {
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'aac': 'm4a',
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'mp3': 'mp3',
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'opus': 'opus',
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}
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ffmpeg = winwhich.which('ffmpeg')
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def ffaudios(input_filename, moveto=None):
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input_filename = pathclass.Path(input_filename)
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if moveto is not None:
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moveto = pathclass.Path(moveto)
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command = [ffmpeg, '-i', input_filename.absolute_path]
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try:
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output = subprocess.check_output(command, stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError as exc:
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output = exc.output
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output = output.decode('utf-8')
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maps = []
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for line in output.splitlines():
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match = re.search(r'Stream #0:(\d+)[^\s]*: Audio: (\w+)', line)
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if match is None:
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continue
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(stream_index, codec) = (match.group(1), match.group(2))
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extension = EXTENSIONS.get(codec, 'mka')
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output_filename = input_filename.replace_extension('').add_extension(f'{stream_index}.{extension}')
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if moveto:
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output_filename = moveto.with_child(output_filename.basename)
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maps.extend(['-map', f'0:{stream_index}', '-c', 'copy', output_filename.absolute_path])
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# print(output_filename)
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command = [ffmpeg, '-i', input_filename.absolute_path, *maps]
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print(command)
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subprocess.run(command, stderr=subprocess.STDOUT)
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def ffaudios_argparse(args):
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for pattern in args.input_filename:
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for input_filename in glob.glob(pattern):
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ffaudios(input_filename, moveto=args.moveto)
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('input_filename', nargs='+')
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parser.add_argument('--moveto', dest='moveto', default=None)
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parser.set_defaults(func=ffaudios_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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