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readme.MD

Installation on RPI

The janus-stream will generate a shell script that will stream video/audio to your Janus WebRTC server using gstreamer. A janus-stream systemd service will also be created.

Prerequisites

  • A RPI running Raspbian
    • Tested on RPI3 and RPI Zero Wireless, running Raspbian Buster Lite
  • RPI configured with a working Internet connection
  • A Raspicam and a microphone attached to your RPI
    • Tested with an infrared raspicam and a USB mini microphone
  • git configured to clone this repository from github

raspi-config

sudo raspi-config

  1. Interfacing options - P1 Camera - Enable
  2. Advanced options > Memory Split >
    • RPI3: GPU mem set to 256 Gb
    • RPI Zero W: GPU mem set to 128 Gb

Update RPI firmware

sudo apt-get install rpi-update
sudo rpi-update
sudo reboot

Turn off wlan power save

sudo iw dev wlan0 set power_save off
sudo pico /etc/network/interfaces
# Add following line:
wireless-power off

Increase microphone sensitivity

alsamixer
  • F6 - choose USB
  • F4 - set to max

Installation

git clone [email protected]:leerikss/baby-monitor.git
cd baby-monitor/rpi/janus-stream
./install.sh
  • The installaction script will prompt for various parameters you need to know
  • First time you run this script, make sure you will install gstreamer and RaspiWiFi
  • Type the domain name of the server where you have installed your Janus WebRTC server
  • Type the video and audio port numbers that your Janus server is configured to listen to
    • These ports must match the corresponding values found on your server in: /opt/janus/etc/janus/janus.plugin.streaming.jcfg
    • Each RPI device should have their own configuration block in this file with their own video/audio ports
  • The rest of the installation prompts are dealing with the video. Type enter for default values
  • Installation of RaspiWiFi starts another installation script

Running/stopping

sudo systemctl start janus-stream
sudo systemctl stop janus-stream
  • The installation will create a shell script /opt/janus-stream/janus-stream.sh
  • A systemd service is created to automatically start the janus-stream.sh upon RPI startup
  • Upon script failures, the janus-stream.sh will automatically restart
  • If the RPI cannot access the internet at all, it will restart in Host mode, and you can configure the WiFi network/password headlessly. Refer to https://github.com/jasbur/RaspiWiFi