CentOS7.4 nginx+rtmp+ffmpeg

-1. 准备工作

-1.1 selinux

# 查看
getenforce
# 临时关闭
# 设置SELinux 成为permissive模式
# setenforce 1 设置SELinux 成为enforcing模式
setenforce 0
# 永久关闭
vi /etc/selinux/config

-1.2 firewalld

centos 7 默认开启的是firewalld防火墙

#停止firewall
systemctl stop firewalld.service 
#禁止firewall开机启动
systemctl disable firewalld.service 
#查看默认防火墙状态(关闭后显示notrunning,开启后显示running)
firewall-cmd --state 

0. yum 源配置(国内服务器)

//must update yum after os installed
yum update yum

//install wget
yum install -y wget

//备份
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
//CentOS 5
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo
//CentOS 6
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
//CentOS 7
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

// 是上述设置生效
yum makecache

1 准备工作

1.1 创建群组

groupadd nginx

1.2 创建不能登录的用户

useradd -s /sbin/nologin -g nigix -M nginx

2 nginx

2.1 安装基本的编译工具

yum install gc gcc gcc-c++ pcre-devel zlib-devel openssl-devel

2.2 安装git并下载rtmp模块

yum install -y git
# 保存目录
cd /usr/local/src
git clone https://github.com/arut/nginx-rtmp-module.git

2.3 下载nginx

wget  http://nginx.org/download/nginx-1.15.2.tar.gz
tar zxvf nginx-1.15.2.tar.gz

2.4 编译nginx

cd nginx-1.15.2
./configure --user=nginx \
              --group=nginx \
              --prefix=/usr/local/nginx \
              --add-module=/usr/local/src/nginx-rtmp-module \
              --with-http_stub_status_module \
              --with-http_ssl_module \
              --with-http_gzip_static_module 

make && make install

2.5 设置启动脚本

vi /etc/init.d/nginx
# 填入一下内容

#!/bin/bash
# chkconfig: - 30 21
# description: http service.
# Source Function Library
. /etc/init.d/functions
# Nginx Settings
NGINX_SBIN="/usr/local/nginx/sbin/nginx"
NGINX_CONF="/usr/local/nginx/conf/nginx.conf"
NGINX_PID="/usr/local/nginx/logs/nginx.pid"
RETVAL=0
prog="Nginx"
start() {
    echo -n $"Starting $prog: "
    mkdir -p /dev/shm/nginx_temp
    daemon $NGINX_SBIN -c $NGINX_CONF
    RETVAL=$?
    echo
    return $RETVAL
}
stop() {
    echo -n $"Stopping $prog: "
    killproc -p $NGINX_PID $NGINX_SBIN -TERM
    rm -rf /dev/shm/nginx_temp
    RETVAL=$?
    echo
    return $RETVAL
}
reload(){
    echo -n $"Reloading $prog: "
    killproc -p $NGINX_PID $NGINX_SBIN -HUP
    RETVAL=$?
    echo
    return $RETVAL
}
restart(){
    stop
    start
}
configtest(){
    $NGINX_SBIN -c $NGINX_CONF -t
    return 0
}
case "$1" in
    start)
        start
    ;;
    stop)
        stop
    ;;
    reload)
        reload
    ;;
    restart)
        restart
    ;;
    configtest)
        configtest
    ;;
*)
echo $"Usage: $0 {start|stop|reload| 
restart|configtest}"
RETVAL=1
esac
exit $RETVAL

# 更改权限
chmod 755 /etc/init.d/nginx
# 添加到启动项配置
chkconfig --add nginx
# 开机启动
chkconfig nginx on

# 启动命令
service nginx start
# 
service nginx stop
service nginx restart

2.6 rtmp 配置

cd /usr/local/nginx/conf
vi nginx.conf
# 填入如下配置

# nginx rtmp配置  跟http{}同级
rtmp {

    server {

        listen 1935;  #监听的端口

        chunk_size 4000;

        application rtmplive {
                live on;
                max_connections 1024;
        }

        application hls {  #rtmp推流请求路径
            # enable live streaming
            live on;

            # record first 200M of stream
            record all;
            record_path /home/live_record;
            record_max_size 200M;


            hls on;
            hls_path /home/hls;
            hls_fragment 1s;
            hls_playlist_length 5;

            allow play all;

            #on_publish 'http://when start publish live call this url';
            #on_done 'http://when live stop call this url';
        }
    }
}

在mine.types 中添加以下内容:

application/vnd.apple.mpegurl                    m3u8;
video/mp2t                                       ts;
application/x-mpegURL                               m3u8;

在conf目录下创建conf.d 文件夹,用于存放配置文件

# hls.conf 内容
server {
        listen       8080;
        server_name 10.142.153.131;
        # This URL provides RTMP statistics in XML
        location /stat {
            rtmp_stat all;

            # Use this stylesheet to view XML as web page
            # in browser
            rtmp_stat_stylesheet stat.xsl;
        }

        location /stat.xsl {
            # XML stylesheet to view RTMP stats.
            # Copy stat.xsl wherever you want
            # and put the full directory path here
            root /usr/local/nginx/html/;
        }

        location /hls {
            # Serve HLS fragments
            types {
                application/vnd.apple.mpegurl m3u8;
                video/mp2t ts;
            }
            root /home;
            add_header Cache-Control no-cache;
            # 添加这行用于允许跨域
            add_header 'Access-Control-Allow-Origin' '*';
        }
   }

3 ffmpeg

3.0 yasm编译器安装

安装ffmpeg过程中,执行./configure时,报yasm/nasm not found or too old. Use --disable-yasm for a crippledbuild错误,分析、解决如下:

分析:yasm是汇编编译器,ffmpeg为了提高效率使用了汇编指令,如MMX和SSE等。所以系统中未安装yasm时,就会报上面错误。

# 下载
wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
# 解压
tar zxvf yasm-1.3.0.tar.gz
#
cd yasm-1.3.0
#
./configure
#
make && make install 

3.1 下载

wget https://ffmpeg.org/releases/ffmpeg-4.0.2.tar.bz2

3.2 编译安装

# 安装 bzip2
yum install -y bzip2

# 解压
tar -xjvf ffmpeg-4.0.2.tar.bz2
cd ffmpeg-4.0.2

# 编译设置
./configure --enable-shared --prefix=/usr/local/ffmpeg

#
make && make install

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