ingest.conf

daemon  off;

events {
    worker_connections 1024;
}

error_log stderr;

rtmp {
    server {
        listen 1935;
        chunk_size 4000;

        application encoder {
            live on;

            exec ffmpeg -i rtmp://localhost:1935/encoder/$name
              -c:a libfdk_aac -b:a 128k -c:v libx264 -x264opts keyint=120:min-keyint=120:scenecut=-1 -tune zerolatency -b:v 750k -f flv -g 120 -r 60 -s 640x360 -preset superfast rtmp://localhost:1935/hls/$name_360p878kbs
              -c:a libfdk_aac -b:a 128k -c:v libx264 -x264opts keyint=120:min-keyint=120:scenecut=-1 -tune zerolatency -b:v 400k -f flv -g 120 -r 60 -s 426x240 -preset superfast rtmp://localhost:1935/hls/$name_240p528kbs
              -c:a libfdk_aac -b:a 128k -c:v libx264 -x264opts keyint=120:min-keyint=120:scenecut=-1 -tune zerolatency -b:v 200k -f flv -g 120 -r 60 -s 426x240 -preset superfast rtmp://localhost:1935/hls/$name_240p264kbs;
        }

        application hls {
            live on;
            hls on;
            hls_fragment_slicing aligned;
            hls_fragment_naming timestamp;
            hls_fragment 4s;
            hls_playlist_length 600s;
            hls_path /data/hls;
            hls_nested on;
            hls_cleanup on;

            hls_variant _360p878kbs BANDWIDTH=878000,RESOLUTION=640x360;
            hls_variant _240p528kbs BANDWIDTH=528000,RESOLUTION=426x240;
            hls_variant _240p264kbs BANDWIDTH=264000,RESOLUTION=426x240;
        }
    }
}

http {
    server {
        listen 80;
        location /hls {
            types {
                application/vnd.apple.mpegurl m3u8;
                video/mp2t ts;
            }
            root /data;
            add_header Cache-Control no-cache;
            add_header Access-Control-Allow-Origin * always;
        }
    }
}