声明：网上有很多关于Linux系统的配置，这里就不记录了。刚开始搭建直播室，用的是Java语言，
Java开源的流媒体服务有Red5,但是很久没更新了，而且文档较少不容易上手，对于直播功能相对要求较低的还是选择ngin来搭建流媒体服务，下面是记录搭建步骤。
一、下载搭建时需要用到的软件
1、下载 nginx 1.7.11.3 Gryphon
链接: http://nginx-win.ecsds.eu/download/nginx 1.7.11.3 Gryphon.zip
下载完成后解压，将文件重新命名因为含有空格，nginx
2、下载服务器状态检查程序
链接：mp-module/" target="_blank" style="color: rgb(85, 85, 85); text-decoration-line: none;">https://github.com/arut/nginx-rtmp-module/
下载完成后解压，将解压过的文件放到nginx根目录，例如：E:\nginx\nginx-rtmp-module
3、下载OBS推流软件
链接：https://obsproject.com/ 进入官网选择下载
二、配置流媒体服务
1、修改nginx服务器中 conf 目录下的 nginx-win.conf 文件，配置如下
#user nobody;
# multiple workers works !worker_processes 2;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 8192;
# max value 32768, nginx recycling connections+registry optimization =
# this.value * 20 = max concurrent connections currently tested with one worker
# C1000K should be possible depending there is enough ram/cpu power
# multi_accept on;
}rtmp {
server {
listen 1935;
chunk_size 4000;
notify_method get;
application live { #rtmp推流地址：rtmp://ip地址:1935/live
live on;
on_publish http://192.168.8.210/on_publish.php; #rtmp推流鉴权,如果鉴权不通过则没有权限进行推流 }
}
}http {
#include /nginx/conf/naxsi_core.rules;
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr:$remote_port - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
# # loadbalancing PHP
# upstream myLoadBalancer {
# server 127.0.0.1:9001 weight=1 fail_timeout=5;
# server 127.0.0.1:9002 weight=1 fail_timeout=5;
# server 127.0.0.1:9003 weight=1 fail_timeout=5;
# server 127.0.0.1:9004 weight=1 fail_timeout=5;
# server 127.0.0.1:9005 weight=1 fail_timeout=5;
# server 127.0.0.1:9006 weight=1 fail_timeout=5;
# server 127.0.0.1:9007 weight=1 fail_timeout=5;
# server 127.0.0.1:9008 weight=1 fail_timeout=5;
# server 127.0.0.1:9009 weight=1 fail_timeout=5;
# server 127.0.0.1:9010 weight=1 fail_timeout=5;
# least_conn;
# }
sendfile off;
#tcp_nopush on;
server_names_hash_bucket_size 128;
## Start: Timeouts ##
client_body_timeout 10;
client_header_timeout 10;
keepalive_timeout 30;
send_timeout 10;
keepalive_requests 10;
## End: Timeouts ##
#gzip on;
server {
listen 8081;
server_name localhost; location /stat {
rtmp_stat all;
rtmp_stat_stylesheet stat.xsl;
}
location /stat.xsl {
root nginx-rtmp-module/;
}
location /control {
rtmp_control all;
}
#charset koi8-r;
#access_log logs/host.access.log main;
## Caching Static Files, put before first location
#location ~* \.(jpg|jpeg|png|gif|ico|css|js)$ {
# expires 14d;
# add_header Vary Accept-Encoding;
#}
# For Naxsi remove the single # line for learn mode, or the ## lines for full WAF mode
location / {
#include /nginx/conf/mysite.rules; # see also http block naxsi include line
##SecRulesEnabled;
##DeniedUrl "/RequestDenied";
##CheckRule "$SQL >= 8" BLOCK;
##CheckRule "$RFI >= 8" BLOCK;
##CheckRule "$TRAVERSAL >= 4" BLOCK;
##CheckRule "$XSS >= 8" BLOCK;
root html;
index index.html index.htm;
}
# For Naxsi remove the ## lines for full WAF mode, redirect location block used by naxsi
##location /RequestDenied {
## return 412;
##}
## Lua examples !# location /robots.txt {
# rewrite_by_lua '# if ngx.var.http_host ~= "localhost" then
# return ngx.exec("/robots_disallow.txt");
# end
# ';# }
#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;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1; #}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000; # single backend process
# fastcgi_pass myLoadBalancer; # or multiple, see example above
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
# include fastcgi_params;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one #
#location ~ /\.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen 443 ssl spdy;
# server_name localhost;
# ssl on;
# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_timeout 5m;
# ssl_prefer_server_ciphers On;
# ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
# ssl_ciphers ECDH+AESGCM:ECDH+AES256:ECDH+AES128:ECDH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!eNULL:!MD5:!DSS:!EXP:!ADH:!LOW:!MEDIUM;
# location / {
# root html;
# index index.html index.htm;
# }
#}
}
推流鉴权文件PHP：on_publish.php，可以为任意服务端文件， on_publish 指定服务器鉴权地址,此代码简单的作了用户验证，也可以改成带数据库验证以及加入更多参数进行验证。
<?php// ?user=user&pass=pass$user = isset($_POST['user']) ? $_POST['user'] : '';$pass = isset($_POST['pass']) ? $_POST['pass'] : '';if (empty($user) || empty($pass)) { echo "wrong query input"; header('HTTP/1.0 500 error...'); exit();
}$saveuser = $user;$savepass = $pass;if (strcmp($user, $saveuser) == 0 && strcmp($pass, $savepass) == 0) { echo "Username and Password OK";
} else { echo "Username or Password wrong"; header('HTTP/1.0 404 Not Found'); exit();
}?>注意：在接受参数时一定用POST接收，否则鉴权失败。
更新配置文件，运行cmd命令：
> cd nginx> nginx.exe -c conf\nginx-win.conf
2、打开OBS客户端进行推流测试，按照如下步骤进行配置
注意：rtmp地址：rtmp://ip地址:1935/live?user=1&pass=2，后面的参数为鉴权所用，否则连接失败。
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