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Plugin cannot find ZED SDK

See original GitHub issue

Hi all,

I am new to zed-unity integration and here is what I got after importing the plugin and hitting the play button in Unity;

DllNotFoundException: sl_unitywrapper
sl.ZEDCamera.CreateCamera (System.Int32 cameraID, System.Boolean verbose) (at Assets/ZED/SDK/NativeInterface/ZEDCamera.cs:870)
ZEDManager.Awake () (at Assets/ZED/SDK/Helpers/Scripts/ZEDManager.cs:1784)

The ZED plugin cannot be loaded. 
 Please check that you have ZED SDK v3.4 installed

 If the problem persists, please contact our support team at support@stereolabs.com

UnityEngine.Debug:LogError (object)
sl.ZEDCamera:CheckPlugin () (at Assets/ZED/SDK/NativeInterface/ZEDCamera.cs:823)
GUIMessage:Awake () (at Assets/ZED/SDK/Helpers/Scripts/Utilities/GUIMessage.cs:122)

NullReferenceException: Object reference not set to an instance of an object
ZEDRenderingPlane.OnRenderImage (UnityEngine.RenderTexture source, UnityEngine.RenderTexture destination) (at Assets/ZED/SDK/Helpers/Scripts/Display/ZEDRenderingPlane.cs:1327)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr) (at /home/bokken/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:197)

This is on Ubuntu 18.04 with ZED Plugin for Unity v3.4.0, ZED SDK 3.4.2, CUDA 11.0 and Unity3D 2019.4.22f1. ZED Diagnostic shows everything is fine.

Anyone had same issue before? Any suggestion is appreciated! Many thanks in advance.

Issue Analytics

State:
Created 2 years ago
Comments:6 (2 by maintainers)

Top GitHub Comments

1reaction

HainingLuocommented, Mar 29, 2021

Thanks Obraun! I installed libusb and it is working now!

0reactions

obraun-slcommented, Mar 28, 2021

Yes, the problem come from libusb-0.1.so.4. Since it’s not found on your PC, the load of sl_unitywrapper is unsuccessful --> error. To solve this, simply call : $ sudo apt install libusb-dev This should install the missing dependencies.

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