MJPEG stream demo server by Reactor netty

https://github.com/saladlam/netty-mjpeg-demo-server

Introduction

A motion JPEG stream http server which is made by using Project Reactor framework.

Main component used

• Project Reactor Core 3.6.X
• Reactor netty 1.1.X
• netty 4.1.X

Prerequisite

• Java SE Development Kit 17 or above
• Internet connection
• Common internet browser

Compile and run

Apache Maven wrapper is included, no addition package manager is necessary.

Compile (On Microsoft Windows)

mvnw package

Run (On Microsoft Windows)

java -jar target\netty-mjpeg-demo-server-0.1.jar

Endpoint

This server is bind on TCP port 8080 of all interface.

# To get a single frame
http://localhost:8080/mjpg/frame.jpg

# To get a video stream in 5Hz
http://localhost:8080/mjpg/video.mjpg

Problem

1. Frame generation cannot faster than 13Hz.
2. Don't know why there is a constant read/write operation (around 1.5 MB/s) to hard disk when server started.
3. Memory used of server increases quickly if a slow connection is established.

Acknowledgement

The background test card is downloaded from http://www.channel6.dk/mainsite/EN/Page421.html.