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Raspberry Pi system specification under test

  • Raspberry Pi OS Lite
  • Release date: 20230201
  • System: 64-bit
  • Kernel version: 5.15
  • Debian version: 11 (bullseye)

Main

sudo -i
mkdir -p /opt/bin

# install wiringpi
#need to enable I2C on hardware(use raspi-config)
git clone https://github.com/WiringPi/WiringPi.git
./build

#Some distributions do not have /usr/local/lib in the default LD_LIBRARY_PATH. To
#fix this, you need to edit /etc/ld.so.conf and add in a single line:
  /usr/local/lib
#then run the ldconfig command.
  sudo ldconfig

# install Adafruit-SSD1306
sudo apt install -y python3-pip
pip install adafruit-circuitpython-ssd1306

cd /opt/bin
apt install git
git clone https://github.com/ThomasVon2021/blikvm.git
git submodule update --init --recursive
cd blikvm/src
make
# For ARM based systems (like the Raspberry Pi), use:
#make RPI=1 SSD1306=1

Janus

Install dependencies:

sudo apt install libmicrohttpd-dev libjansson-dev \
    libssl-dev libsrtp2-dev libsofia-sip-ua-dev libglib2.0-dev \
    libopus-dev libogg-dev libcurl4-openssl-dev liblua5.3-dev \
    libconfig-dev pkg-config libtool automake libnice-dev

sudo apt-get install build-essential libspeex-dev libspeexdsp-dev libpulse-dev

Clone and install libwebsockets:

git clone https://libwebsockets.org/repo/libwebsockets
cd libwebsockets
# If you want the stable version of libwebsockets, uncomment the next line
# git checkout v4.3-stable
mkdir build
cd build
# See https://github.com/meetecho/janus-gateway/issues/732 re: LWS_MAX_SMP
# See https://github.com/meetecho/janus-gateway/issues/2476 re: LWS_WITHOUT_EXTENSIONS
cmake -DLWS_MAX_SMP=1 -DLWS_WITHOUT_EXTENSIONS=0 -DCMAKE_INSTALL_PREFIX:PATH=/usr -DCMAKE_C_FLAGS="-fpic" ..
make && sudo make install

Clone and install Janus:

cd /opt/bin

git clone https://github.com/meetecho/janus-gateway.git
cd janus-gateway
sh autogen.sh

./configure --prefix=/opt/janus
make
make install

make configs

µStreamer

Additional required dependencies for µStreamer:

apt-get install -y libasound2-dev

Clone and compile µStreamer:

cd /opt/bin
apt install -y build-essential libevent-dev libjpeg-dev libbsd-dev
git clone --depth=1 https://github.com/pikvm/ustreamer
cd ustreamer

ln -s /opt/janus/include/janus /usr/include/janus
sed \
  --in-place \
  --expression 's|^#include "refcount.h"$|#include "../refcount.h"|g' \
  /usr/include/janus/plugins/plugin.h

make WITH_JANUS=1

With the WITH_JANUS option you compile the µStreamer Janus plugin and outputs is at: janus/libjanus_ustreamer.so. Move this file to the plugin directory of your Janus installation.

mv \
  janus/libjanus_ustreamer.so \
  /opt/janus/lib/janus/plugins/libjanus_ustreamer.so

Finally, create a configuration file for the shared memory object, so that the µStreamer Janus plugin can read µStreamer's video data.

nano /opt/janus/etc/janus/janus.plugin.ustreamer.jcfg
#add 
memsink: {
  object = "demo::ustreamer::h264"
}
audio: {
    device = "hw:1,0"
    tc358743 = "/dev/video0"
}

Prepare web server

old php code Install dependencies: 
apt install -y libcurl4-openssl-dev

Install PHP (see below for PHP v8.2):

apt install -y  php7.4-bz2 php7.4-cli php7.4-curl php7.4-dev php7.4-json php7.4-mbstring php7.4-xml php7.4-zip php7.4-mysql

Or when PHP v8.2 is available on your system use:

apt install -y php8.2-bz2 php8.2-cli php8.2-curl php8.2-dev php8.2-mbstring php8.2-xml php8.2-zip php8.2-mysql

Optionally, if you would like to change the timezone, edit the php.ini file:

nano /etc/php/7.4/cli/php.ini

Look for timezone there and uncomment or add your timezone, for example:

date.timezone = Asia/Shanghai

Install pecl and install swoole and inotify with it:

apt install php-pear

pecl install http://pecl.php.net/get/swoole-5.0.3.tgz
#all is yes
echo "extension=swoole.so" > /etc/php/7.4/cli/conf.d/swoole.ini

pecl install inotify
echo "extension=inotify.so" > /etc/php/7.4/cli/conf.d/inotify.ini

web-src

init submodule

git submodule update --init --recursive

Install NodeJS first:

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.5/install.sh | bash
source ~/.nvm/nvm.sh
nvm install 18.19.0

How to run

// client
cd web_src/web_client
git checkout master
npm install
npm run dev

// server
cd web_src/web_server
git checkout master
npm install
npm run dev

Config overlays in Raspberry Pi

In the /boot/config.txt end, add the following content:

dtoverlay=tc358743
dtoverlay=tc358743-audio
dtoverlay=dwc2

Install kvmd services

# Install the main controller service
cd /opt/bin/blikvm/package/kvmd-main
./install-kvmd-main.sh

# Install the ustreamer service
cd /opt/bin/blikvm/package/ustreamer
./install-ustreamer.sh 

# Install the HID service
cd /opt/bin/blikvm/package/kvmd-hid
./install-kvmd-hid.sh

# Install the web service
cd /opt/bin/blikvm/package/kvmd-web
./install-kvmd-web.sh

# Install the MSD service
cd /opt/bin/blikvm/package/kvmd-msd
./install-kvmd-msd.sh

# Install the OLED service
cd /opt/bin/blikvm/package/kvmd-oled
./install-kvmd-oled.sh

# Install the fan service
cd /opt/bin/blikvm/package/kvmd-fan
./install-kvmd-fan.sh

# Copy the package.json file
cp /opt/bin/blikvm/src/config/package.json /usr/bin/blikvm

Reboot

sudo systemctl reboot