How to EXPORT a gammaPatch including a Video Input? (e.g.: VideoIn OpenCV)

vvvv gamma bug
1

Hi

Didn’t dive to much into it and I can imagine you have to take care about some parts when you want to export an app with VideoIn - so I just ask here before.

For example: Just tried to open a OpenCV HelpPatch with a Camera Input (works fine) and then I want to make an EXE ( F9 export the GammaPatch) - I always got the Error

image

My first impression was I have to make something that the user choose the camera driver or set the standard one? - but also with "CreateDefault"OpenCV.Source nothing changed - or did I miss something else?

What I have to do in this case?

THX CeeYaa

2

Got some of the OpenCV LearnPatches with VideoIn EXPORTED after I installed https://www.nuget.org/packages/SharpDX.MediaFoundation/4.0.1
https://www.nuget.org/packages/DirectShowLib/
do I really have to do this?

“HowTo Extract Contours.vl” as EXE was the only one working fine - others startet without Error, Camerapicture was shown but nothing else happening

3

Thanks for the report, we’ll look into it.

4

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5

This has been fixed in 2021.4, from changelog:

Exporter will now add a package reference to the original nuget in case it generates the project belonging to that same package - ensures that all the build targets of the package get picked up / files get copied to the output folder