Hi all, My colleagues and I have created a GRC & C++ application that will send a real-time video stream over an X310+UBX-160. The physical layer is done in GRC and is a basic QPSK modem. The problem that we are running into is flow control. Anytime there is an underflow, it completely shuts the video stream down. Is there a way to receive feedback from GRC that says “Hey I need X more data bits in my buffer”, and we can pad our data with zeroes to fufill that?
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