Add rudimentary pcloud dumper and meshing with OFM & GP3

The OFM algo runs in fractions of a millisecond. GP3 runs in
fractions of a second. I think if we can get more input data to
the OFM or something akin to it, we will have a winner.

stimBuffApis/livoxGen1/pcloudStimulusProducer.cpp

@@ -102,6 +102,7 @@ averageIntensityBuffer(
 	nDgramsPerStagingBufferFrame),
 averageIntensityBufferMlockPinner(
 	averageIntensityBuffer.makeMlockPinner()),
+pcloudFrameDumper(deviceAttachmentSpec),
 tempStimulusFrameMem(0),
 tempStimulusFrame(
 	FrameAssemblyDesc::SlotDesc{
@@ -154,6 +155,8 @@ void PcloudStimulusProducer::start()
 	std::cout << __func__ << ": Starting PcloudStimulusProducer for device "
 		<< device->discoveredDevice.deviceIdentifier << std::endl;
 
+	pcloudFrameDumper.prepareForRun();
+
 	// Call ioUringAssemblyEngine setup() as the first step
 	if (!ioUringAssemblyEngine.setup())
 	{
@@ -513,6 +516,23 @@ public:
 			std::cerr << __func__ << ": Failed to compact and collate frame" << std::endl;
 		} else
 		{
+			lock.unlockPrematurely();
+			if (pcloudProducer.pcloudFrameDumper.isEnabled())
+			{
+				try
+				{
+					pcloudProducer.pcloudFrameDumper.dumpProducedFrame(
+						*pcloudProducer.device,
+						pcloudProducer.collationBuffer,
+						context->frameAssemblyResult);
+				}
+				catch (const std::exception& e)
+				{
+					std::cerr << __func__ << ": Failed to dump pcloud frame: "
+						<< e.what() << std::endl;
+				}
+			}
+
 #if 0
 			// Print execution durations
 			auto assemblyDuration = pcloudProducer.ioUringAssemblyEngine.getAssemblyDuration();