【UE4】Build VR live broadcast in LAN UE4.27

前言：（英伟达显卡）UE4.27The intranet is built360°Camera live,And use any device on the intranetVR观看,In theory, the performance is sufficient and the effect is better;此处使用的VR设备为Vive,Sorted out the overall construction process,希望能帮到你！多图警告！The picture tutorial is more intuitive

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1.准备工作：

• 下载UE和OBSThe required plugins are installed and installed（请提前安装OBS Studio与UE4.27版本）（Be sure to register an account on this website for subsequent authorized use）：Live-streaming Toolkit

•  运行Toolkitprogram to install the Unreal plugin：安装到引擎插件Runtime目录,Next-Full installation

 

•  下载OBS-NDI(github)插件进行安装：(Ladder may be required)
• 下载Win64version of the local area networkRTMP服务程序：MonaServer(need a ladder)
•  新建UE427project and open the plugin(提前安装steamVRUsed by subsequent receivers)：Live-streaming Toolkit 

The first time you use it, you will be prompted to log in to the web page,注册登录即可

 2.各项设置：

• UE项目中：

into the world sceneOWL360Cam Cpature,Create a texture target in the detail bar2D并设置分辨率、类型:

 into the world sceneOWLNDISender Manager,Add elements to the array in the details bar,设置Nameand the texture target from the previous step2D,勾选Active（推流）,Capture Audio（音效）：In case of crash,请重新安装OBS-NDI插件后重启

 

• OBS中：

 Added to the sourceNDI来源：Now you can see the live transmission360°画面

 OBS设置中-推流-填入：rtmp://192.168.x.x:xxxx/live（rtmp服务器的IP与端口）

 OBSSet the output resolution to correspond to the resolution in the detail bar：

 工具-NDI输出设置-Check Main Output：

•  UE中：

关卡蓝图中tick设置360cameraposition to followpawn：（Here I just set the location,Avoid dizziness in the audience）

观看VRPlayer Note：

VRThe player as the homeowner blueprint controls noActive NDIsender,Join one in the local area networkPC玩家Active NDIsender,Also set the position to followVRThe homeowner can;

 再次新建一个UE4.26项目(RTMPplayer)Used to play the stream：且安装vlc插件(The new version can find me)：VlcMedia

且开启steam vr插件

 

 添加VRContent packs to projects,Placed in the ball mesh and content pack in the new mapMotionControllerpawn：

 Create a folder in the content directoryPlayer,Create a new streaming media source1,Fill in the server streaming link2,Create a new media player3、Media texture4、编写纹理材质：

 The sphere mesh uses the created material：

 MotionControlllerPawnAvoid not loading the stream by default in ,Press manually1Trigger the load flow：

 Quickly package projects into Win64:

  3.开启服务并测试：

•  A device on the same network segment acts as a server,管理员身份开启MonaServer：
•  同网段PCThe observation device is turned onOBS推流(/Join the host room online)：
•  On the server side, you can see that the push stream has been successful：
•  The client devices in the same network segment are packaged for runningUE客户端,键盘按下1ready to wearVR设备观看：

 4.Project build flow chart：

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后言：This tutorial just provides a simple case flow,The online part of it needs to be implemented by yourself,Follow the steps in the flowchart to build the entire service,Multiple clients can be supported,The upper limit depends on bandwidth and device performance,Clients are also availableVRThe all-in-one machine downloads the Android player and fills in the service link.

希望能对你有所帮助！