extract audio from .mp4 python .mp3
#!/usr/bin/env python3
"""
video_to_mp3.py
Description:
Simple script to extract MP3 audio from videos using Python.
Requirements:
- "lame"
- "ffmpeg"
If the libraries are not installed just run the following command in your terminal:
- On Mac(OS X): brew install lame ffmpeg
- On Linux(Ubuntu): sudo apt-get install lame ffmpeg
How to use the script:
Just run the following command within your terminal replacing "NAME_OF_THE_VIDEO.mp4" by the name of your video file:
$ python video_to_mp3.py NAME_OF_THE_VIDEO.mp4
Note.- The video must be within the same directory of the python script, otherwise provide the full path.
"""
import sys
import os
import time
def video_to_mp3(file_name):
""" Transforms video file into a MP3 file """
try:
file, extension = os.path.splitext(file_name)
# Convert video into .wav file
os.system('ffmpeg -i {file}{ext} {file}.wav'.format(file=file, ext=extension))
# Convert .wav into final .mp3 file
os.system('lame {file}.wav {file}.mp3'.format(file=file))
os.remove('{}.wav'.format(file)) # Deletes the .wav file
print('"{}" successfully converted into MP3!'.format(file_name))
except OSError as err:
print(err.reason)
exit(1)
def main():
# Confirm the script is called with the required params
if len(sys.argv) != 2:
print('Usage: python video_to_mp3.py FILE_NAME')
exit(1)
file_path = sys.argv[1]
try:
if not os.path.exists(file_path):
print('file "{}" not found!'.format(file_path))
exit(1)
except OSError as err:
print(err.reason)
exit(1)
video_to_mp3(file_path)
time.sleep(1)
if __name__ == '__main__':
main()
