通过Macast投屏potplayer-播放安装方法
DLNA media sharing from phone to PotPlayer on Windows computer
DLNA media streaming is like AirPlay used to stream video music wirelessly from one device to another.AirPlay of Apple and DLNA are known for their function of watching media content from one device to another without a physical cable.
DLNA media streaming from Android to smart TV is easy, but it is difficult to implement in Windows computer.Now installing PotPlayer and Macast on Windows can be easily accomplished.

PotPlayer Link:https://potplayer.multimediaplayer.net/download/
Macast link: https://github.com/xfangfang/Macast
Download potplayer.py,open it with a text editor.
Modify the path of PotPlayer, just modify one of them according to your installed version 32bit or 64bit.

Save it and copy it to %LOCALAPPDATA%\xfangfang\Macast\renderer

Restart Macast, right click on Macast, “Settings - Renderers - PotPlayer”.
Open video app that is DLNA-compatible, search for the name of your computer to connect, play the video on your phone and then it will instantly send to your Windows computer to play with PotPlayer.
手机DLNA投屏至Windows电脑上的PotPlayer播放视频
手机DLNA投屏常见于将手机上播放的视频投屏到智能电视/盒子上观看,Windows系统没有投屏功能。可安装Macast软件,设置投屏到PotPlayer播放。
首先下载 Macast-Windows-v0.7.exe 和 potplayer.py (访问密码: 1234)
一、打开Macast-Windows-v0.7.exe
二、使用记事本编辑potplayer.py,第29行PotPlayer路径修改为实际的路径,根据你安装的版本32位或64位修改其一即可。
保存后复制到 %LOCALAPPDATA%\xfangfang\Macast\renderer 下(资源管理器地址栏里粘贴访问)
三、退出Macast后重新打开,右键点击托盘区的Macast,“设置 - 选择播放器 - PotPlayer”。
手机打开视频APP,以央视频、爱奇艺为例,选择投屏到Macast。
电脑上自动打开PotPlayer播放手机上的视频。
https://potplayer.multimediaplayer.net/tutorials/dlna-media-sharing-from-phone-to-potplayer-on-windows-computer/
http://www.potplayercn.com/course/dlna-potplayer.html