worker_processes ${{NUM_WORKERS}};
error_log stderr notice;
daemon off;
pid logs/nginx.pid;

events {
  worker_connections 1024;
}

rtmp {
    server {
        listen 1935;
        chunk_size 4000;

        application stream {
            live on;

            on_publish http://localhost:${{PORT}}/auth;

            #relays the incoming video to low quality streams on this server, audio-only version and to a different server
            exec ffmpeg -i rtmp://localhost:1935/stream/$name
                -c:a copy     -c:v copy                                                      -f flv rtmp://localhost/hls/$name_hi;
            exec ffmpeg -i rtmp://localhost:1935/stream/$name -max_muxing_queue_size 1024
                -c:a copy     -c:v libx264 -b:v 500K  -preset superfast -profile:v baseline  -f flv rtmp://localhost/hls/$name_low
                2>/mnt/radio/logs/ffmpeg-$name_low.log;
        }


        application hls {
            live on;
            hls on;
            hls_fragment_naming system;
            hls_fragment 3;
            hls_playlist_length 60;
            hls_path /opt/data/hls;
            hls_nested on;

            hls_variant _hi      BANDWIDTH=640000;
            hls_variant _low     BANDWIDTH=160000;
        }
    }
}

http {
  include mime.types;

  init_by_lua_block {
    require("socket")
    require("lpeg")
    math.randomseed(os.time()+ngx.worker.id())
  }


  server {
    listen ${{PORT}};
    lua_code_cache ${{CODE_CACHE}};

    # nginx-rtmp hls and status endpoints
    location /hls {
        types {
            application/vnd.apple.mpegurl m3u8;
            video/mp2t ts;
        }
        root /opt/data;

        add_header Access-Control-Allow-Origin *;
    }

    location /live {
        alias /opt/data/hls;
        types {
            application/vnd.apple.mpegurl m3u8;
            video/mp2t ts;
        }

        add_header Access-Control-Allow-Origin *;
    }

    location /stat {
        rtmp_stat all;
        rtmp_stat_stylesheet static/stat.xsl;
    }

    location /static {
        alias static;
    }

    location = /crossdomain.xml {
        root static;
        default_type text/xml;
        expires 24h;
    }

    # lapis endpoints
    location /data/ {
      root /mnt;
    }

    location / {
      default_type text/html;
      content_by_lua_block {
        require("lapis").serve("app")
      }
    }

    location /favicon.ico {
      alias static/favicon.ico;
    }
  }
}