🐳docker-nginx-rtmp-ffmpeg

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Based on the configuration and deployment of docker-nginx-rtmpthe meaning of this article is to realize live streaming and live screen watermarking.

• Nginx 1.16.1（Stable version compiled from source code）
• nginx-rtmp-module 1.2.1（Compile from source）
• ffmpeg 4.2.1（Compile from source）
• Configured nginx.conf
  • Only support 1920*1080 (if you need to support other resolutions, please refer to nginx.conf）
  • Realize two-way shunt
    • localhost
    • Live cloud provider（例：AWS）
  • Realize live watermark effect
    • Watermark image storage location (in the container)：/opt/images/logo.png

💻Deploy and run

Server

• Install docker (Centos7, other systems please use your search function)

$ yum -y install docker #install docker
$ systemctl enable docker #Configure startup
$ systemctl start docker #Start the docker service

• Pull the docker image and run

$ docker pull ar414/nginx-rtmp-ffmpeg
$ docker run -it -d -p 1935:1935 -p 8080:80 --rm ar414/nginx-rtmp-ffmpeg

• Push stream address（Stream live content to）：

rtmp://<server ip>:1935/stream/$STREAM_NAME

• SSL certificate

Copy the certificate to the container, and modify the nginx.conf configuration file in the container, and then re-commit (all the files in the container need to be re-committed to take effect)

#/etc/nginx/nginx.conf
listen 443 ssl;
ssl_certificate     /opt/certs/example.com.crt;
ssl_certificate_key /opt/certs/example.com.key;

OBS configuration

• Stream Type: Custom Streaming Server
• URL: rtmp://<server ip>:1935/stream
• Stream Key：ar414

Watch test

HLS playback test tool：http://player.alicdn.com/aliplayer/setting/setting.html （If a certificate is configured, use https）

• HLS playback address
  • With watermark：http://<server ip>:8080/hls/ar414_wm.m3u8
  • No watermark：http://<server ip>:8080/hls/ar414.m3u8

RTMP test tool：PotPlayer

• RTMP playback address
  • No watermark：rtmp://<server ip>:1935/stream/ar414
  • With watermark：Need to be diverted to other servers

📄Brief explanation of configuration file (diversion, watermark and watermark position)

Full configuration file

• RTMP configuration

rtmp {
    server {
        listen 1935; #port
        chunk_size 4000;
        #RTMP Live streaming configuration
        application stream {
            live on;
            # Add watermark and diversion, this time it is convenient to test diversion directly to the current server hls
            # Actual production is generally diverted to the live cloud（AWS）
            # Just replace the address that needs to be diverted
            # With watermark：rtmp://localhost:1935/hls/$name_wm
            # No watermark：rtmp://localhost:1935/hls/$name
            exec ffmpeg -i rtmp://localhost:1935/stream/$name -i /opt/images/ar414.png
              -filter_complex "overlay=10:10,split=1[ar414]"
              -map '[ar414]' -map 0:a -s 1920x1080 -c:v libx264 -c:a aac -g 30 -r 30 -tune zerolatency -preset veryfast -crf 23 -f flv rtmp://localhost:1935/hls/$name_wm
              -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 2500k -f flv -g 30 -r 30 -s 1920x1080 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name;
        }

        application hls {
            live on;
            hls on;
            hls_fragment 5;
            hls_path /opt/data/hls;
        }
    }
}

• If you need to push multiple live clouds, copy multiple exec ffmpeg as follows：

application stream {
    live on;
    #Shunt to local hls           
    exec ffmpeg -i rtmp://localhost:1935/stream/$name -i /opt/images/ar414.png
      -filter_complex "overlay=10:10,split=1[ar414]"
      -map '[ar414]' -map 0:a -s 1920x1080 -c:v libx264 -c:a aac -g 30 -r 30 -tune zerolatency -preset veryfast -crf 23 -f flv rtmp://localhost:1935/hls/$name_wm
      -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 2500k -f flv -g 30 -r 30 -s 1920x1080 -preset superfast -profile:v baseline rtmp://localhost:1935/hls/$name;
    
    #Diverted to Tencent Cloud
    exec ffmpeg -i rtmp://localhost:1935/stream/$name -i /opt/images/ar414.png
      -filter_complex "overlay=10:10,split=1[ar414]"
      -map '[ar414]' -map 0:a -s 1920x1080 -c:v libx264 -c:a aac -g 30 -r 30 -tune zerolatency -preset veryfast -crf 23 -f flv rtmp://live-push.tencent.com/stream/$name_wm
      -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 2500k -f flv -g 30 -r 30 -s 1920x1080 -preset superfast -profile:v baseline rtmp://live-push.tencent.com/stream/$name;

    #Diverted to Alibaba Cloud
    exec ffmpeg -i rtmp://localhost:1935/stream/$name -i /opt/images/ar414.png
      -filter_complex "overlay=10:10,split=1[ar414]"
      -map '[ar414]' -map 0:a -s 1920x1080 -c:v libx264 -c:a aac -g 30 -r 30 -tune zerolatency -preset veryfast -crf 23 -f flv rtmp://live-push.aliyun.com/stream/$name_wm
      -c:a libfdk_aac -b:a 128k -c:v libx264 -b:v 2500k -f flv -g 30 -r 30 -s 1920x1080 -preset superfast -profile:v baseline rtmp://live-push.aliyun.com/stream/$name;
}

• Watermark position

  • Watermark position

    Watermark image location	overlay value
    Upper left corner	10:10
    Upper right corner	main_w-overlay_w-10:10
    Bottom left	10:main_h-overlay_h-10
    Bottom right corner	main_w-overlay_w-10 : main_h-overlay_h-10

  • overlay param

    param	description
    main_w	Video single frame image width (current profile 1920)
    main_h	Video single frame image height (current profile 1080)
    overlay_w	The width of the watermark image
    overlay_h	The height of the watermark image

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