此方案比较成熟，但是新手未必能一步到位，作为实践记录保存

基础服务

• 安装nginx(下面是包管理器安装,比较推荐源码安装)

    sudo apt update
    sudo apt install nginx

    sudo systemctl start nginx
    sudo systemctl enable nginx

mac上安装nginx+live

• 参考: https://www.jianshu.com/p/cf74a34af15d
• 安装

   brew tap homebrew/nginx
   # 如果被墙了的话也可以用下面的
   # brew tap denji/nginx

查看信息,配置文件位置

    brew info nginx-full

nginx: [emerg] "rtmp" directive is not allowed here

• 最简配置

   * 在`nginx.conf`的http节点下面(也就是文件的尾部)加上rtmp配置,注意不能是别的文件,
   rtmp {
      server {
        listen 1935;
        application live {
        live on;
        record off;
        }
      }
   }

• 重启 reload 可能不起作用,要重启

   nginx -s restart

• 最终配置
  • nginx推流配置

      rtmp {
        server {
          listen 1935;

          application live {
              live on;
              access_log off;
              hls on;
              hls_type live;
              hls_fragment 3s;
              hls_playlist_length 15s;
              hls_nested on;
              hls_path /Users/mahaiqiang/Downloads/stream;

              record all;
              record_unique off;
              record_interval 5m;
              record_suffix .mp4;
              record_path /Users/mahaiqiang/Downloads/hls;
          }
        }
      }

• nginx拉流配置

    # mahaiqiang @ mahaiqiangdeMacBook-Air in /opt/homebrew/etc/nginx on git:stable o [23:22:48]
      $ cat servers/live.conf
      server {
          listen 80;
          server_name localhost;

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

              alias /Users/mahaiqiang/Downloads/stream;
              add_header 'Cache-Control' 'no-cache'; #添加额外的HTTP头
          }
      }

• 推流测试

    ffmpeg -re -i /Users/mahaiqiang/Downloads/iShot.mp4  -vcodec copy -f flv rtmp://localhost:1935/live/room

• 拉流 拉流地址

   rtmp://localhost:1935/live/room

使用ffplay测试

   ffplay rtmp://127.0.0.1:1935/live/room

• http浏览器拉流地址

  http://localhost/hls/room1/index.m3u8

也可以使用VLC媒体播放器测试。

ubuntu20.4上配置nginx+live

跟ubuntn版本肯定是没有区别的，不过我的环境是20.4

• 参考 https://zhuanlan.zhihu.com/p/387857546
• 安装

    sudo apt install libnginx-mod-rtmp

    root@im:/etc/nginx# ll modules-enabled/
    total 16
    drwxr-xr-x  2 root root 4096 Nov 17 21:33 ./
    drwxr-xr-x 10 root root 4096 Nov 22 13:41 ../
    lrwxrwxrwx  1 root root   61 Aug 25 17:59 50-mod-http-image-filter.conf -> /usr/share/nginx/modules-available/mod-http-image-filter.conf
    lrwxrwxrwx  1 root root   60 Aug 25 17:59 50-mod-http-xslt-filter.conf -> /usr/share/nginx/modules-available/mod-http-xslt-filter.conf
    lrwxrwxrwx  1 root root   48 Aug 25 17:59 50-mod-mail.conf -> /usr/share/nginx/modules-available/mod-mail.conf
    lrwxrwxrwx  1 root root   48 Nov 17 21:33 50-mod-rtmp.conf -> /usr/share/nginx/modules-available/mod-rtmp.conf
    lrwxrwxrwx  1 root root   50 Aug 25 17:59 50-mod-stream.conf -> /usr/share/nginx/modules-available/mod-stream.conf
    root@im:/etc/nginx# cat /usr/share/nginx/modules-available/mod-rtmp.conf
    load_module modules/ngx_rtmp_module.so;
    root@im:/etc/nginx#

• 配置
  • nginx的rtmp推流配置

       rtmp {
          server {
              listen 1935;   #监听的端口号, rtmp协议的默认端口号是1935
              application live {
                live on;

                hls on;
                hls_type live;
                hls_fragment 3s;
                hls_playlist_length 15s;
                hls_nested on;
                hls_path /opt/software/stream;

                record all;
                record_unique off;
                record_interval 5m;
                record_suffix .mp4;
                record_path /opt/software/hls;
              }
          }
      }

• nginx的http拉流配置

       server {
          listen 80;
          server_name livestream.3vyd.com;

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

              alias /opt/software/stream;
              add_header 'Cache-Control' 'no-cache'; #添加额外的HTTP头
          }
      }


      server {
          listen 443 ssl;
          listen [::]:443 ssl;
          server_name livestream.3vyd.com;

          ssl_protocols TLSv1.2 TLSv1.3;
          ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
          ssl_prefer_server_ciphers off;

          ssl_session_timeout 1d;
          ssl_session_cache shared:SSL:10m;  # about 40000 sessions
          ssl_session_tickets off;

          add_header Strict-Transport-Security "max-age=63072000" always;
          set $prefix "";

          ssl_certificate hccert/20220520__3vyd.com.pem;
          ssl_certificate_key hccert/20220520__3vyd.com.key;


          location /hls {
              #跨域配置,允许跨域访问
              add_header 'Access-Control-Allow-Origin' '*' always;
              add_header 'Access-Control-Allow-Credentials' 'true';
              add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
              add_header 'Access-Control-Allow-Headers' 'Range';

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

              alias /opt/software/stream;
              add_header 'Cache-Control' 'no-cache'; #添加额外的HTTP头
          }

      }

• 测试推流

   ffmpeg -re -i /opt/software/iShot.mp4  -vcodec copy -f flv rtmp://localhost:1935/live/room1

• 拉流测试

   ffplay rtmp://47.104.252.23:1935/live/room1

• http拉流链接

   http://livestream.3vyd.com/hls/room1/index.m3u8

   # 或者
   https://livestream.3vyd.com/hls/room1/index.m3u8

参考指导

Live Video Streaming with Nginx RTMP & HLS on Ubuntu