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This document is setup development enviroment on MacOs. For other Linux such at Ubuntu cloud server we will do later on Deployment task.

Install Node.js

We need nodejs for development and run backend resful service , websocket server so to instlal Node.js just download this package from offical website https://nodejs.org/en/download/

Install MongoDB

This tutorial we are using Mongodb NoSQL database store document for our Node.js app. To instlal MongoDB just download https://www.mongodb.com/download-center?jmp=nav#community or use Home brew https://docs.mongodb.com/manual/tutorial/install-mongodb-on-os-x/

Install Nginx + Nginx Rtmp Module (MacOs)

We use home brew to install package if you dont have Home brew just see documentation to install home brew on your MacOs https://brew.sh/

brew tap homebrew/nginx

brew options nginx-full


brew info nginx-full


brew install nginx-full --with-rtmp-module --with-debug

Nginx config file for default in /usr/local/etc/nginx/nginx.conf Start Nginx

nginx

Stop Nginx

nginx -s stop

Reload Nginx

nginx -s reload

Setup ffmpeg on MacOs

FFMPEG that is awesome and free tools for video converting, streaming, we will use this tool for stream video from a camera (on Raspberry Pi Zero W) and send stream video from camera to our Server or Youtube. for development we use it on Mac for testing and just stream a video source from a input movie .mkv format. We can download and install package directly from official website https://www.ffmpeg.org/download.html or use Home brew to install it on MacOs.

brew install ffmpeg

Or Install with extra resources (Plugins)

brew install ffmpeg --with-tools --with-fdk-aac --with-freetype --with-fontconfig --with-libass --with-libvorbis --with-libvpx --with-opus --with-x265

Update Ffmpeg to latest version

brew update && brew upgrade ffmpeg

Documentation for list all inputs videos/audios https://www.ffmpeg.org/ffmpeg-devices.html On MacOs

ffmpeg -f avfoundation -list_devices true -i ""

Stream Camera on MacOs + Audio to rtmp server ,remember change frame rate correctly in my iMac it: -r 30

ffmpeg -f avfoundation -r 30 -i "0:0" -deinterlace -vcodec libx264 -pix_fmt yuv420p -preset medium -g 60 -b:v 2500k -acodec libmp3lame -ar 44100 -threads 6 -qscale 3 -b:a 712000 -bufsize 512k -f flv rtmp://localhost/live/tabvn

Stream a movie (video.mkv) to Nginx Rtmp Server eg: rtmp://localhost/live/tabvn

ffmpeg -re -i video.mkv -c:v libx264 -preset veryfast -maxrate 3000k -bufsize 6000k -pix_fmt yuv420p -g 50 -c:a aac -b:a 160k -ac 2 -ar 44100 -f flv rtmp://localhost/live/tabvn

Nginx Config Sample for Nginx + Nginx Rtmp Module

worker_processes  auto;



events {
    worker_connections  1024;
}

# RTMP Config

rtmp {
    server {
        listen 1935; # Listen on standard RTMP port
        chunk_size 4000;
        application live{
            live on;
            deny play all;
            push rtmp://localhost/play;
            on_publish http://localhost:3001/api/on-live-auth;
            on_publish_done http://localhost:3001/api/on-live-done;
        }
        application play {
            live on;
            # Turn on HLS
            hls on;
            hls_nested on;
            hls_fragment_naming system;
            #hls_path /Users/toan/Sites/mnt/hls/;
            hls_path /Users/toan/Tutorials/stream/storage/live/;
            hls_fragment 3;
            hls_playlist_length 60;

            # disable consuming the stream from nginx as rtmp
            deny play all;
            #only allow from local
            allow publish 127.0.0.1;
            deny publish all;
        }
    }
}
# End RTMP Config

http {

    default_type  application/octet-stream;
    sendfile off;
    tcp_nopush on;


    server {
        listen 3002;

        location /live {

            # Disable cache
        add_header Cache-Control no-cache;

        # CORS setup
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length';

        # allow CORS preflight requests
        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Allow-Origin' '*';
            add_header 'Access-Control-Max-Age' 1728000;
            add_header 'Content-Type' 'text/plain charset=UTF-8';
            add_header 'Content-Length' 0;
            return 204;
        }

        types {
            application/vnd.apple.mpegurl m3u8;
            video/mp2t ts;
        }


            root /Users/toan/Tutorials/stream/storage/;

        }
    }

    include servers/*;
}

Watch Video: https://www.youtube.com/watch?v=TdELN27NkyY