How to use PHP to implement multi-platform live broadcast function?

With the development of modern Internet, live video broadcast has become one of the main forms of entertainment in people's leisure time. With the popularity of mobile Internet, the application of live broadcast in mobile apps has become one of the important symbols of the new Internet era. As a commonly used server-side scripting language, PHP has a wide range of applications. So, how to use PHP to implement multi-platform live broadcast function?

1. Build a live broadcast server

To implement the live broadcast function, you need a server to run streaming media server software. Currently, the mainstream streaming media server software on the market includes Nginx-rtmp, Wowza, Red5, etc. This article takes Nginx-rtmp as an example.

First, download the source code of Nginx-rtmp on the server, compile and install it through the following commands:

  #下载nginx源码
  wget http://nginx.org/download/nginx-1.17.0.tar.gz
  
  #下载nginx-rtmp-module源码
  git clone https://github.com/arut/nginx-rtmp-module.git
  
  #解压
  tar zxvf nginx-1.17.0.tar.gz
  
  #进入nginx源码目录
  cd nginx-1.17.0
  
  #解压并覆盖原文件
  patch -p1 < /path/to/nginx-rtmp-module/patches/v1.2.1/misc/nginx-1.7.7-stats.patch
  
  #编译安装
  ./configure --add-module=/path/to/nginx-rtmp-module --with-http_ssl_module --with-stream --with-stream_ssl_module
  make
  make install

2. Implement the push function

Before implementing the push function Before using the function, you need to install the OBS software. OBS is a free and open source live broadcast software. This article takes OBS as an example and passes the OBS push test.

Configure the live broadcast source in OBS, then turn on the push function in its settings, and specify the server address and port, such as rtmp://127.0.0.1:1935/live.

Use a plug-in player such as video.js to play on the web page to achieve the streaming function.

3. Implement the streaming function

Before implementing the streaming function, you need to install FFmpeg on the server. FFmpeg is an open source cross-platform video conversion library. Video decoding, conversion and processing can be easily achieved using FFmpeg.

Use the following command on the server to install:

apt-get install ffmpeg

Use plug-in players such as video.js in the web page to implement the streaming function through the following code:

<video id="remote-video" class="video-js vjs-default-skin"></video>
<script>
var player = videojs('remote-video');
player.src({
  src: 'rtmp://127.0.0.1:1935/live/test',
  type: 'rtmp/flv'
});
player.play();
</script>

Pass With the above steps, you can realize the live broadcast function on multiple platforms. In addition, the live broadcast function can also be realized through some third-party live broadcast cloud services, such as Tencent Cloud Live Broadcast, Alibaba Cloud Live Broadcast, etc.

In short, PHP, as a commonly used server-side scripting language, can well implement multi-platform live broadcast functions. Whether it is personal live broadcast or corporate live broadcast, it can be realized through PHP.

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