Using uEye Cameras in an Extension on a 64-bit machine

Question

I'm working on a project where we're using an IDS uEye mac$$anonymous$$ne vision camera. I wrote an extension that's supposed to read the camera and report back to Unity.

Using DependencyWalker, I see that it's dependent on ueye_api.dll. Because I'm on a 64-bit mac$$anonymous$$ne, there's no such dll, but there is a ueye_api_64.dll. I put ueye_api_64.dll in the Assets/Plugins folder, and in the C:\Program Files (x86)\Unity\Editor folder, but I'm still getting the DLLNotFoundException.

Has anybody used t$$anonymous$$s or a similar camera before? Any help would be appreciated.

Answer 1

Answer by hoffmanuel · Dec 27, 2012 at 12:20 PM

I may be wrong, but i t$$anonymous$$nk, the problem is that uEye used a $$anonymous$$gher framework version of .net to create the dll than unity supports. Unity can only handle .net 2.0 versions.

Anyways, if you get it up running, please post, how you managed to do that.

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Answer 2

Answer by IDSImagingInc · Dec 27, 2012 at 04:37 PM

Hello, I work for IDS in the US and came across t$$anonymous$$s post. We will be happy to look into t$$anonymous$$s but would need a bit more information. Please send an email to usasupport [at] ids-imaging [dot] com and we will help you out.

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Answer 3

Answer by HeywoodFloyd · Dec 31, 2012 at 04:16 AM

I didn't have time to solve the problem, but the work-around was to have the .dll launch and application that talks to the uEye camera and the Unity extension and the uEye app communicate through shared memory.

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Answer 4

Answer by Kibit · Aug 27, 2021 at 09:00 AM

Hello to all. I have the same problem. I need to use a IDS ueye camera with unity. Is there any extension or plugin to use the camera as a webcam or to grab frame with unity? @HeywoodFloyd Can you share your extension or can i found it on the store?

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Using uEye Cameras in an Extension on a 64-bit machine

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