BLSS: Bravo Live Streaming Service

A bravo live streaming service powered by nginx-rtmp-module.

Resources

• Release Notes
• Directives

Features

• RTMP/HTTP+FLV/HLS/MPEG-DASH live streaming

• H264/AAC support, H265 is on the road.

• GOP Cache/HLS VOD features

• Support Socket Sharding feature that to improve load balance (RTMP reuseport)

• Linux/FreeBSD/MacOS/Windows

Build

cd to NGINX source directory & run this:

./configure --add-module=/path/to/BLSS
make
make install

Push/Pull URL format

rtmp://rtmp.example.com/app/name
http://flv.example.com/app/name.flv

app - should match one of application {} blocks in config

name - interpreted by each application can be empty

Example(blss.conf)

# for multi-worker streaming, we support off|hash|all option, default is off.
worker_processes 8;
relay_stream hash;

rtmp {
    log_format bw_in  '[$time_local] pid:$pid sid:$sid slot:$slot service:$service vhost:$vhost app:$app name:$name remote_addr:$remote_addr proto:$proto rtype:$rtype event:$event bw_in_video_kb:$bw_in_video_kb bw_in_audio_kb:$bw_in_audio_kb bw_in_real_kb:$bw_in_real_kb bw_in_exp_kb:$bw_in_exp_kb bw_in_diff_kb:$bw_in_diff_kb last_audio_ts:$last_audio_ts last_video_ts:$last_video_ts last_av_ts_diff:$last_av_ts_diff audio_ts_min:$audio_ts_min audio_ts_max:$audio_ts_max audio_ts_diff:$audio_ts_diff video_ts_min:$video_ts_min video_ts_max:$video_ts_max video_ts_diff:$video_ts_diff last_video_cts:$last_video_cts bw_in_total_diff_kb:$bw_in_total_diff_kb bw_in_video_exp_kb:$bw_in_video_exp_kb bw_in_audio_exp_kb:$bw_in_audio_exp_kb';
    log_format bw_out '[$time_local] pid:$pid sid:$sid slot:$slot service:$service vhost:$vhost app:$app name:$name remote_addr:$remote_addr proto:$proto rtype:$rtype event:$event bw_out_kb:$bw_out_kb bw_out_buf_kb:$bw_out_buf_kb last_audio_ts:$last_audio_ts last_video_ts:$last_video_ts last_av_ts_diff:$last_av_ts_diff audio_ts_min:$audio_ts_min audio_ts_max:$audio_ts_max audio_ts_diff:$audio_ts_diff video_ts_min:$video_ts_min video_ts_max:$video_ts_max video_ts_diff:$video_ts_diff';
    access_log /data/logs/blss/rtmp_sla.log bw_in bw_out;

    server {

        listen 1935 reuseport;
        
        service cctv {

            # supported wildcards: "*.example.com", ".example.com", and "www.example.*"
            hostname pub rtmp *.pub.rtmp.cctv;
            hostname sub rtmp *.sub.rtmp.cctv;
            hostname sub http_flv *.sub.httpflv.cctv;

            application news {

                live on;
                http_flv on;
                gop_cache on;

                hls on;
                hls_fragment 10s;
                hls_playlist_length 30s;
            }

            application sports {

                hls on;
                hls_fragment 1m;
                hls_playlist_length 3m;
            }
        }

        service hunantv {

            hostname pub rtmp *.pub.rtmp.hunantv;
            hostname sub rtmp *.sub.rtmp.hunantv;

            application show {

                live on;
                http_flv on;
                gop_cache on;
            }
        }
    }
}

http {
    include      mime.types;
    default_type application/octet-stream;

    log_format   main  '$remote_addr - $remote_user [$time_local] "$request" '
                        '$status $body_bytes_sent "$http_referer" '
                        '"$http_user_agent" "$http_x_forwarded_for"';

    access_log   logs/http_sla.log main;

    keepalive_timeout 60;

    server {
        listen 8080 reuseport;
        listen 80   reuseport;

        location / {
            http_flv on;
            hls  on;

            root /dev/shm;

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

            add_header Access-Control-Allow-Origin *;
        }
    }
}