Convert audio files to 44.1, 16bit wav files

convert.py

#!/usr/bin/env python3

# Useful for trackers (Dirtywave M8, Littlegptracker, ...)
# Rewrite of https://github.com/mackemint/sample_converter_m8tracker

from pydub import AudioSegment, effects
from pydub.exceptions import CouldntDecodeError
from argparse import ArgumentParser
import os, sys

parser = ArgumentParser()
parser.add_argument("dir")
parser.add_argument("--force", action="store_true")
args = parser.parse_args()

if not os.path.exists(args.dir):
    print("Specified path does not exist")
    sys.exit(1)

if not args.force:
    print("WARNING: ~All~ files will be converted to 16bit 44100Hz")
    print("Input files will be deleted.")
    if input("Continue (y/n): ") != "y":
        sys.exit(2)

for root, _, files in os.walk(args.dir):
    for file in files:
        path = os.path.join(root, file)

        try:
            audio = AudioSegment.from_file(path)
        except:
            print(f"Skipping: {path}")
            continue

        print(f"Converting: {path}")

        # Don't convert strange sample rates
        if audio.frame_rate in (44100, 48000):
            audio = audio.set_frame_rate(44100)

        # 24 bit -> 16 bit
        if audio.sample_width == 3:
            audio = audio.set_sample_width(2)

        if not path.endswith("wav"):
            os.remove(path)
            path = ".".join(path.split(".")[:-1]) + ".wav"

        audio.export(path, format="wav")