AVI function Write 2 'freezes' computer

I am trying to run four cameras through the PCIe-8244 USB3.0 card and collect videos of each of them separately. This is proving to be an extremely difficult task. (LabVIEW 2013)

So far, I have IMAQdx works very well for both cameras to display on the front panel. However as soon as I try to register, I can't rely on all other controls on the front panel, which has begun registering other impossible cameras, here is a picture of what is running. I tried to put the avi Write 2 function in call loops or just with timers and in both cases I can understand only one video at a time. However the cameras always work in their independent loops without a problem. Call loops shown are introduced through a structure of the event by a record button the camera capture independent loop.

Attached is the code in question, please ignore my attempts at debugging of the indicators.

I intend on this expansion to four cameras that supports PCIe-8244.

I could guess that executes the code AVI in the event loop causes the code runs within the user interface thread, preventing access to the controls while the code is running.

Tags: NI Hardware

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