aquatics_replay_system

Video system based on Raspberry Pi to record and playback starts and turns.

Startup

Decided to use /etc/xdg/lxsession/LXDE-pi/autostart as the startup config.

@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi

@xset s off
@xset -dpms
@xset s noblank
@unclutter -idle 0

@/usr/bin/python /home/vjo/main.py &
@/usr/bin/python /home/vjo/run_chromium.py

Requirements

Using Flask and OpenCV. Here is the requirements.txt file.

flask
flask-socketio
opencv-python==4.5.3.56
numpy>=1.20
cvxpy>=1
psutils

Usage

Connect the raspberry pi to a TV via HDMI and a usb webcam.

Connect to the webserver and coaches page on your phone/mobile device. ie http://10.42.0.1:8000/coaches

The record button will record the livestream for a default of 5secs. The reset button will return to the livestream view. The replay button will replay or continue to play the last recorded video/paused video. The pause button will pause the last recorded video.

Configuration

A config.ini file is available to set some defaults. TBD when/if the UI will be able to modify the default settings.

[DEFAULT]
host_port = 8000
replay_wait_duration = 0
replay_duration = 2
replay_playback_rate = 0.25