How to extract audio from a video file using python?

Question

I want to write a python program that could extract audio from a video file (e.g. video.avi). Is there any good library for it? And where should I start from? I

Answer 1

I don't have a complete solution, but from the ffmpeg docs, it looks like ffmpeg can read an incomplete file by piping to stdin. Example from the docs:

cat test.wav | ffmpeg -i pipe:0

If you must use python, you can always call ffmpeg using subprocess.