nginx config

daemon  off;

events {
    worker_connections 1024;
}

rtmp {
    server {
        listen 1935;
        chunk_size 4000;

        application encoder {
            live on;

            exec ffmpeg -i rtmp://localhost:1935/encoder/$name
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 2500k -f flv -g 30 -r 30 -s 1280x720 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name_720p2628kbs
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 1000k -f flv -g 30 -r 30 -s 854x480 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name_480p1128kbs
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 750k -f flv -g 30 -r 30 -s 640x360 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name_360p878kbs
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 400k -f flv -g 30 -r 30 -s 426x240 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name_240p528kbs
              -c:a libfdk_aac -b:a 64k -c:v libx264 -b:v 200k -f flv -g 15 -r 15 -s 426x240 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name_240p264kbs;

            # exec hls-live-thumbnails http://localhost/hls/livestream.m3u8 --interval 100 --outputDir /data/hls/thumbnail/ ;
            exec hls-live-thumbnails http://localhost/hls/livestream.m3u8 --width 300 --outputDir /data/hls/thumb/;

        }

        application hls {
            live on;
            hls on;
            hls_fragment_naming system;
            hls_fragment 5s;
            hls_path /data/hls;
            hls_nested on;

            hls_variant _720p2628kbs BANDWIDTH=2628000,RESOLUTION=1280x720;
            hls_variant _480p1128kbs BANDWIDTH=1128000,RESOLUTION=854x480;
            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 *;
        }

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

        location /static {
            alias /static;
        }

        location /crossdomain.xml {
            default_type text/xml;
            return 200 '<?xml version="1.0"?>
                <!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
                <cross-domain-policy>
                    <site-control permitted-cross-domain-policies="all"/>
                    <allow-access-from domain="*" secure="false"/>
                    <allow-http-request-headers-from domain="*" headers="*" secure="false"/>
                </cross-domain-policy>';
            expires 24h;
        }
    }
}