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takiyu/extract_mp3.py

Created February 5, 2020 14:36
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extract_mp3.py
import glob
import os.path as osp
import subprocess
def extract_mp3(src_filename, dst_filename):
cmd = ['ffmpeg', '-i', src_filename, '-acodec', 'libmp3lame', '-ab',
'360k', dst_filename]
subprocess.call(cmd)
if __name__ == '__main__':
video_exts = ['mp4', 'webm', 'mkv']
video_filenames = list()
for ext in video_exts:
video_filenames.extend(glob.glob('*.' + ext))
for video_filename in video_filenames:
audio_filename = osp.splitext(video_filename)[0] + '.mp3'
extract_mp3(video_filename, audio_filename)
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