user www-data;
worker_processes 1;
error_log logs/error.log debug;
events {
        worker_connections 1024;
}
rtmp {
        server {
                listen 1935;
                ping 5m;
                ping_timeout 4m;
                ### Use case option (max_streams; default is 32 )
                #max_streams 10;
                allow play all;
                #creates our "live" full-resolution HLS videostream from our incoming encoder stream and tells where to put the HLS video manifest and video fragments
                application live {
                        allow play all;
                        live on;
                        hls on;
                        hls_nested on;
                        hls_path /HLS/live;
                        hls_playlist_length 60m;
                        hls_fragment 4s;
                        drop_idle_publisher 30s;
                        sync 500ms;

                        hls_keys on;
                        hls_fragments_per_key 20;

                        #Experimental. Force dropped stream, or ended stream from being watched. (idle_streams)
                        #idle_streams off;
                        on_publish http://localhost/AVideo/plugin/Live/on_publish.php;
                        on_publish_done http://localhost/AVideo/plugin/Live/on_publish_done.php;
                        on_play http://localhost/AVideo/plugin/Live/on_play.php;
                        on_record_done http://localhost/AVideo/plugin/Live/on_record_done.php;

                        #exec ffmpeg -re -i rtmp://localhost/live/$name 
                        #    -c:v libx264 -preset veryfast -vf scale=-2:240 -r 20 -g 40 -keyint_min 40 -sc_threshold 0 -bf 2 -b_strategy 1 -b:v 400k -maxrate 500k -bufsize 1000k -c:a aac -b:a 96k -ac 2 -ar 44100 -f flv rtmp://localhost/adaptive/$name_low 
                        #    -c:v libx264 -preset veryfast -vf scale=-2:480 -r 30 -g 60 -keyint_min 60 -sc_threshold 0 -bf 2 -b_strategy 1 -b:v 1200k -maxrate 1500k -bufsize 3000k -c:a aac -b:a 128k -ac 2 -ar 44100 -f flv rtmp://localhost/adaptive/$name_mid 
                        #    -c:v libx264 -preset veryfast -vf scale=-2:720 -r 30 -g 60 -keyint_min 60 -sc_threshold 0 -bf 2 -b_strategy 1 -b:v 2400k -maxrate 2800k -bufsize 5600k -c:a aac -b:a 128k -ac 2 -ar 44100 -f flv rtmp://localhost/adaptive/$name_hi;

                        #recorder video {
                        #    record all manual;
                        #    record_path /var/www/tmp;
                        #    record_notify on;
                        #    record_max_size 20480M;
                        #    record_suffix -%d-%b-%y-%T.flv;
                        #}
                        
                        ### Record Audio Separately ( For podcast )
                        #recorder audio {
                        #    record audio;
                        #    record_path /var/www/tmp;
                        #    record_max_size 1024M;
                        #    record_suffix -%d-%b-%y-%T.mp3;
                        #}
                }

                #application adaptive {
                #    live on;
                #    hls on;
                #    hls_path /HLS/live;
                #    hls_nested on;
                #    hls_playlist_length 60m;
                #    hls_fragment 4s;
                #    allow play all;
                #    allow publish 127.0.0.1;
                #    deny publish all;

                #    hls_keys on;
                #    hls_fragments_per_key 20;
                #    hls_variant _low BANDWIDTH=900000;
                #    hls_variant _mid BANDWIDTH=1000000;
                #    hls_variant _hi  BANDWIDTH=2500000;
                #}
        }
}
http {
        include mime.types;
        default_type application/octet-stream;
        server {
                #listen 8443 ssl;
                #listen [::]:8443 ssl;
                #include /usr/local/nginx/snippets/self-signed.conf;
                #include /usr/local/nginx/snippets/ssl-params.conf;
                listen 8080;
                server_name localhost;
                #creates the http-location for our full-resolution (desktop) HLS stream - "http://my-ip/live/my-stream-key/index.m3u8"
                location /live {
                        expires 60;
                        add_header 'Cache-Control' 'public';

                        root /HLS; # Use root instead of alias

                        location ~ \.m3u8$ {
                                expires -1;
                                # 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';
                        }

                        location ~ \.key$ {
                                # Call an external authorization service
                                auth_request /auth_key_check;

                                # Only serve the key if the authorization service returns 200
                                add_header 'Content-Type' 'application/octet-stream';
                                # 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';
                        }

                        # 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;
                        }
                }


                # Authorization endpoint
                location = /auth_key_check {
                        internal; # Make this location internal so it cannot be accessed directly
                        proxy_pass http://localhost/AVideo/plugin/Live/authorizeKeyAccess.php;
                        proxy_pass_request_body off; # Do not send the client request body to the auth service
                        proxy_set_header Content-Length "";

                        # Set headers to pass information to the PHP script
                        proxy_set_header X-Original-URI $request_uri; # Pass the original request URI
                        proxy_set_header X-Forwarded-For $remote_addr; # Pass the client IP address
                        proxy_set_header User-Agent $http_user_agent; # Pass the client User-Agent
                }

                #allows us to see how stats on viewers on our Nginx site using a URL like: "http://my-ip/stats"
                #location /stats {
                #        stub_status;
                #}
                location /stat {
                        rtmp_stat all;
                        rtmp_stat_stylesheet stat.xsl;
                }
                location /stat.xsl {
                        root html;
                }
                location /control {
                        # replace this with the IP of your AVideo site
                        allow 127.0.0.1;
                        deny all;
                        rtmp_control all;
                }
                #allows us to host some webpages which can show our videos: "http://my-ip/my-page.html"
                location / {
                        root html;
                        index index.html index.htm;
                }

                #location ~ \.php$ {
                #       include /etc/nginx/snippets/fastcgi-php.conf;
                #       fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
                #}

        }
}