A script for extracting audio streams in bulk. Relies on ffmpeg

batch_convert.py

#!/usr/bin/env python3
import os, sys

# This script expects the following folder structure:
# /      the folder you run this script from
#  /in   store the videos which you want to rip here
#  /out  the extracted audio will be written here
#        as Ogg files, using the same name as the input
#  /done and the videos that were in in/ will be moved here.
#
# This script depends on ffmpeg.

extensions_to_convert = ['mp4_', 'mp4', 'flv', 'mkv', 'wav', 'ogv', 'avi', '3gp', 'wmv']
should_convert = lambda f: any([f.endswith(e) for e in extensions_to_convert])

pending_files = os.scandir(os.path.join(os.curdir, 'in'))

files = [d.name for d in pending_files if os.path.isfile(os.path.join(os.curdir, 'in', d.name)) and should_convert(d.name)]

def rename(f):
	cf = f
	for ext in extensions_to_convert:
		cf = cf.replace('.'+ext, '.ogg')
	return cf

src_dst = [(f, rename(f)) for f in files]

for (source, destination) in src_dst:
	os.system('ffmpeg -i "in/%s" -vn -acodec libvorbis "out/%s"' % (source, destination))
	os.system('mv "in/%s" "done/%s"' % (source, source))