PIP Environment

Useful commands for managing a pip environment:

• Source the pip environment before running a Python script: source .venv/bin/activate
• Freeze dependencies: pip freeze > requirements.txt
• Install dependencies: pip install -r requirements.txt

Run tests

From the root of the project, run:

pytest -q

Video commands

• List available video devices:

sudo apt install v4l-utils
v4l2-ctl --list-devices

• Record and save a video:

ffmpeg -f v4l2 -i /dev/video2 -r 10 -s 640x480 -t 5 output.mp4

• Display info about a video file:

ffprobe output.mp4