rtspshot

apt update
apt install -y python3-dev python3-pip git
apt install -y libavformat-dev libavdevice-dev
pip3 install -U pip 
git clone https://github.com/fuad00/rtspshot
cd rtspshot
pip3 install -r requirements.txt

TODO: Better README.md; Multithreading support; Upload to PyPI

thanks: https://docs-python.ru/standart-library/modul-argparse-python/metod-add-argument-obekta-argumentparser/