如題,今天就來實現一個推拉流伺服器,模擬下推流後被客戶端拉流看到效果。
詳細步驟如下
- 安裝Nginx
- 安裝FFmpeg
- 安裝VLC客戶端
安裝Nginx
在Mac上有一個很好用的包管理外掛,名為homebrew。 具體的安裝可以自行去搜尋下。下面就藉助Homebrew來安裝Nginx。
首先是拉取Nginx
$ brew tap home/nginx複製程式碼
執行安裝
$ brew install nginx-full --with-rtmp-module複製程式碼
這裡需要注意的就是後面的--with-rtmp-module引數,其意思就是帶上rtmp的模組,這樣我們才能藉助Nginx實現一個rtmp的推拉流伺服器。
安裝過程中,homebrew或幫我們自動的安裝如pcre,openssl等模組。因此相對於其他平臺的安裝方式或者原始碼安裝方式,homebrew賊省心。
經過稍長的等待時間,帶有rtmp模組的Nginx就安裝好了。檢視安裝詳情的命令為:
brew info nginx-full複製程式碼
就可以看到具體的安裝資訊了,比如配置檔案在哪裡,可執行檔案又在哪裡。
我這裡有如下路徑:
- 配置檔案路徑 /usr/local/etc/nginx/
- web容器路徑 /usr/local/var/www
- 可執行檔案路徑/usr/local/Ceallar/nginx/
配置rtmp
在nginx.conf的HTTP節點後面新增一個同級別的rtmp接單。具體內容如下:
```
#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/*;複製程式碼
}
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;
}
}
}
最後面hls_path就是待會要用到的推流檔案目錄了。一般來說不必建立,如果出現資料夾許可權問題的話,手動新增下可讀可寫許可權就可以了。
## 安裝ffmpeg
安裝它在其他的平臺上可能會超級費勁,但是在Mac上,有了homebrew,那就真的不是事了。複製程式碼
➜ $/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 homebrew.bintray.com/bottles/lam…
######################################################################## 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 homebrew.bintray.com/bottles/x26…
######################################################################## 100.0%
==> Pouring x264-r2795.high_sierra.bottle.tar.gz
? /usr/local/Cellar/x264/r2795: 11 files, 3.2MB
==> Installing ffmpeg dependency: xvid
==> Downloading homebrew.bintray.com/bottles/xvi…
######################################################################## 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 homebrew.bintray.com/bottles/ffm…
######################################################################## 100.0%
==> Pouring ffmpeg-3.4.high_sierra.bottle.tar.gz
? /usr/local/Cellar/ffmpeg/3.4: 248 files, 50.9MB
## 安裝VLC客戶端
VLC客戶端是一個很好用的可以拉流並進行讀取的軟體,Mac上挺好用的。
![VLC開啟後大致如下](http://upload-images.jianshu.io/upload_images/8196049-8c15b928ed689893.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
## 開始推流,拉流
### 推流
推流之前,先準備一個視訊軟體。我就直接用QQ的錄屏來錄製了一個視訊,放在桌面上,名為demo.mp4
然後在命令列裡面輸入:複製程式碼
ffmpeg -re -i 本地視訊路徑如(如/Users/changba/Desktop/Player/demo.mp4) -vcodec copy -f flv rtmp://localhost:1935/rtmplive/home
> 這裡rtmplive是上面的配置檔案中,配置的應用的路徑名稱;後面的room可以隨便寫,待會使用拉流軟體的時候把地址對應上就可以了。
![rtmp的配置](http://upload-images.jianshu.io/upload_images/8196049-3764923776ac40c6.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
輸入完之後,就可以開啟VLC客戶端了。
![推流效果](https://user-gold-cdn.xitu.io/2017/11/29/16007ac2c4fddbf2?w=1240&h=687&f=png&s=331967)
### 拉流
具體操作為:file-->>Open Network
然後在彈出的URL框中輸入如下連結。複製程式碼
rtmp://localhost:1935/rtmplive/home
```
記得對應上名字就可以了,大致的拉流效果如下:
總結
至此,基於rtmp的推拉流的Nginx伺服器就算是完成了。不妨來嘗試一下,其實還是挺有意思的。