It is required to have both ffmpeg and mp4decrypt installed and fully accessible in the system.

Also, ensure that all needed python3 requirements are met doing:

pip3 install -r requirements.txt

Visit the project's wiki to see how things work in a much deeper explanation.

• -u / --url: Input the URL or PATH to the MPD manifest of the desired stream.
• -o / --output: Input the final name that we want the target file to have; it is recommended to include a file extension (e.g. test.mkv).