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FVID_dequeue - true blocking function?

Hi

The VPORT users manual states that FVID_dequeue will block if a buffer is not available. So say the code calls FVID_dequeue and there is no frame available, can other lower tasks run at this point?

I just want to make sure it does not block tasks from running while it waits for a free buffer.

My definition of a blocking function is defined as a process that sleeps while it waits for a resource and thus lets other processes (tasks) run.

Cheers