Nginx搭建RTMP推拉流服务器(很好用的包管理插件Homebrew)

安装Nginx
在Mac上有一个很好用的包管理插件,名为homebrew。 具体的安装可以自行去搜索下。下面就借助Homebrew来安装Nginx。
首先是拉取Nginx

$ brew tap home/nginx
执行安装

$ brew install nginx-full –with-rtmp-module
这里需要注意的就是后面的–with-rtmp-module参数,其意思就是带上rtmp的模块,这样我们才能借助Nginx实现一个rtmp的推拉流服务器。
安装过程中,homebrew或帮我们自动的安装如pcre,openssl等模块。因此相对于其他平台的安装方式或者源码安装方式,homebrew贼省心。
经过稍长的等待时间,带有rtmp模块的Nginx就安装好了。查看安装详情的命令为:

brew info nginx-full
就可以看到具体的安装信息了,比如配置文件在哪里,可执行文件又在哪里。
我这里有如下路径:
– 配置文件路径 /usr/local/etc/nginx/
– web容器路径 /usr/local/var/www
– 可执行文件路径/usr/local/Ceallar/nginx/
配置rtmp
在nginx.conf的HTTP节点后面添加一个同级别的rtmp接单。具体内容如下:

#user nobody;
worker_processes 1;

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

error_log /usr/local/var/logs/nginx/error.log debug;
pid /usr/local/var/run/nginx.pid;

#pid logs/nginx.pid;

events {
worker_connections 256;
}

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 /usr/local/var/logs/access.log main;
#access_log logs/access.log main;

sendfile on;
port_in_redirect off;
#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;
root /usr/local/var/www;
index index.html index.htm index.php;
}

#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 /usr/local/var/www;
}

# 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$ {
fastcgi_intercept_errors on;
#root html;
root /usr/local/var/www;
fastcgi_pass 127.0.0.1:9000;
#fastcgi_pass unix:/run/php/php7.0-fpm.sock;
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;
# server_name localhost;

# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;

# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;

# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;

# location / {
# root html;
# index index.html index.htm;
# }
#}
include servers/*;
}

rtmp {
server {
listen 1935;
chunk_size 4000;
application rtmplive {
live on;
max_connections 1024;
}

application hls {
live on;
hls on;
hls_path /usr/local/var/www/hls;
hls_fragment 1s;
}
}
}
最后面hls_path就是待会要用到的推流文件目录了。一般来说不必创建,如果出现文件夹权限问题的话,手动添加下可读可写权限就可以了。
安装ffmpeg
安装它在其他的平台上可能会超级费劲,但是在Mac上,有了homebrew,那就真的不是事了。

➜ $/opt nginx brew install ffmpeg
Updating Homebrew…
==> Auto-updated Homebrew!
Updated 1 tap (caskroom/cask).

==> Installing dependencies for ffmpeg: lame, x264, xvid
==> Installing ffmpeg dependency: lame
==> Downloading https://homebrew.bintray.com/bottles/lame-3.99.5.high_sierra.bottle.1.tar.gz
######################################################################## 100.0%
==> Pouring lame-3.99.5.high_sierra.bottle.1.tar.gz
�� /usr/local/Cellar/lame/3.99.5: 27 files, 2MB
==> Installing ffmpeg dependency: x264
==> Downloading https://homebrew.bintray.com/bottles/x264-r2795.high_sierra.bottle.tar.gz
######################################################################## 100.0%
==> Pouring x264-r2795.high_sierra.bottle.tar.gz
�� /usr/local/Cellar/x264/r2795: 11 files, 3.2MB
==> Installing ffmpeg dependency: xvid
==> Downloading https://homebrew.bintray.com/bottles/xvid-1.3.4.high_sierra.bottle.tar.gz
######################################################################## 100.0%
==> Pouring xvid-1.3.4.high_sierra.bottle.tar.gz
�� /usr/local/Cellar/xvid/1.3.4: 10 files, 1.2MB
==> Installing ffmpeg
==> Downloading https://homebrew.bintray.com/bottles/ffmpeg-3.4.high_sierra.bottle.tar.gz
######################################################################## 100.0%
==> Pouring ffmpeg-3.4.high_sierra.bottle.tar.gz
�� /usr/local/Cellar/ffmpeg/3.4: 248 files, 50.9MB
安装VLC客户端
VLC客户端是一个很好用的可以拉流并进行读取的软件,Mac上挺好用的。
开始推流,拉流
推流
推流之前,先准备一个视频软件。我就直接用QQ的录屏来录制了一个视频,放在桌面上,名为demo.mp4
然后在命令行里面输入:

ffmpeg -re -i 本地视频路径如(如/Users/changba/Desktop/Player/demo.mp4) -vcodec copy -f flv rtmp://localhost:1935/rtmplive/home

这里rtmplive是上面的配置文件中,配置的应用的路径名称;后面的room可以随便写,待会使用拉流软件的时候把地址对应上就可以了。
rtmp的配置
输入完之后,就可以打开VLC客户端了。
推流效果
拉流
具体操作为:file–>>Open Network然后在弹出的URL框中输入如下链接。

rtmp://localhost:1935/rtmplive/home
记得对应上名字就可以了,大致的拉流效果大家可以自己试下
总结
至此,基于rtmp的推拉流的Nginx服务器就算是完成了。如果感兴趣不妨来尝试一下,其实还是挺有意思的。

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