Python script to convert Android MVIMG to mp4 and jpg

mvimg_split.py

import re
import os


def split_file(original_path, out_folder):
    os.makedirs(out_folder, exist_ok=True)
    name = os.path.split(original_path)[-1]
    # https://stackoverflow.com/questions/3217334/searching-reading-binary-data-in-python
    content = None
    with open(original_path, 'rb') as f:
        content = f.read()
    pos = content.find(b'ftypmp4')
    if pos == -1:
        raise ValueError("NOT MVIMG")
    else:
        with open(os.path.join(out_folder, "{}.jpg".format(name)), "wb") as f:
            f.write(content[:pos - 4])
        with open(os.path.join(out_folder, "{}.mp4".format(name)), "wb") as f:
            f.write(content[pos - 4:])