#user  root;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}

rtmp {  
    server {  
       listen 1935;
       application hls {
         live on;  
         hls on;  
         hls_path /tmp/hls;         # 请确保该目录存在或有足够的权限
         wait_key on;               # 对视频切片进行保护，这样就不会产生马赛克了
         hls_fragment 10s;          # 每个视频切片的时长  hls_fragment 1s;
         hls_max_fragment 20s;      # 每个视频切片最大的时长 hls_max_fragment 2s;
         hls_playlist_length 60s;   # 总共可以回看的事件  hls_playlist_length 3s;
         hls_continuous on;         # 连续模式。
         hls_sync 2ms;
         hls_cleanup on;            # 对多余的切片进行删除。
         hls_nested on;             # 嵌套模式
       }
    } 
}

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/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       8080;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }
        location /stat {
            rtmp_stat all;
            rtmp_stat_stylesheet stat.xsl;
        }
        
        location /control {
            rtmp_control all;
        }
        
        location /hls { # 访问示例 - http://192.168.53.21:8080/hls/1/index.m3u8
            types{  
                application/vnd.apple.mpegurl m3u8;  
                video/mp2t ts;  
            }
            root /tmp;
        }

        # 大华HLS视频播放代理
		location /stream/dss/ {
            keepalive_timeout 30;
            keepalive_requests 10000000;
            proxy_buffer_size          64k;
            proxy_buffers              4 128k;
            proxy_busy_buffers_size    256k;
            proxy_temp_file_write_size 256k;
            proxy_next_upstream error timeout invalid_header http_500 http_503 http_404 http_502;
    		proxy_cache off;                                   # 禁用代理缓存
   		    expires -1;                                        # 禁用页面缓存
   			proxy_pass http://192.168.1.200:7086/;                     # 反代目标 URL
    		sub_filter 'http://192.168.1.200:7086' 'http://$host/';  # 替换 m3u8 文件里的资源链接
    		sub_filter_last_modified off;                      # 删除原始响应里的浏览器缓存值
    		sub_filter_once off;                               # 替换所有匹配内容
    		sub_filter_types *;                                # 匹配任何 MIME 类型
		}

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }

}