Rename PcloudStimulusBuffer=>PcloudDataProducer

This prepares us for the split up of classes. We're going to split
StimulusBuffer into two base classes: StimulusBuffer and
StimulusProducer.

stimBuffApis/livoxGen1/pcloudDataProducer.h

@@ -0,0 +1,72 @@
+#ifndef _LIVOX_GEN1_PCLOUD_DATA_PRODUCER_H
+#define _LIVOX_GEN1_PCLOUD_DATA_PRODUCER_H
+
+#include <functional>
+#include <atomic>
+#include <user/stimulusBuffer.h>
+#include <livoxProto1/device.h>
+#include <asynchronousContinuation.h>
+#include <callback.h>
+#include "stagingBuffer.h"
+#include "ioUringAssemblyEngine.h"
+#include "openClCollatingAndMeshingEngine.h"
+
+namespace smo {
+namespace stim_buff {
+
+/**
+ * PcloudDataProducer is a specialized StimulusBuffer for point cloud data.
+ *
+ * This class extends StimulusBuffer to handle point cloud-specific stimulus
+ * frames, particularly those generated from LiDAR point cloud data. It
+ * provides additional functionality for managing point cloud frame metadata
+ * and processing.
+ */
+class PcloudDataProducer
+:	public StimulusBuffer
+{
+public:
+	explicit PcloudDataProducer(
+		const std::shared_ptr<device::DeviceAttachmentSpec> &deviceAttachmentSpec,
+		std::shared_ptr<livoxProto1::Device> &device,
+		const PcloudFormatDesc& formatDesc,
+		int histbuffMs,
+		size_t nDgramsPerStagingBufferFrame);
+
+	~PcloudDataProducer() = default;
+
+	// Non-copyable, movable
+	PcloudDataProducer(const PcloudDataProducer&) = delete;
+	PcloudDataProducer& operator=(const PcloudDataProducer&) = delete;
+	PcloudDataProducer(PcloudDataProducer&&) = default;
+	PcloudDataProducer& operator=(PcloudDataProducer&&) = default;
+
+	// Control methods
+	void start() override;
+	void stop() override;
+
+protected:
+	void stimFrameProductionTimesliceInd() override;
+
+	// Callback function type for produceFrameReq
+	typedef std::function<void()> produceFrameReqCbFn;
+
+public:
+	void produceFrameReq(smo::Callback<produceFrameReqCbFn> callback);
+
+	std::shared_ptr<livoxProto1::Device> device;
+	PcloudFormatDesc formatDesc;
+	OpenClCollatingAndMeshingEngine openClCollatingAndMeshingEngine;
+	StagingBuffer assemblyBuffer;
+	IoUringAssemblyEngine ioUringAssemblyEngine;
+	StagingBuffer collationBuffer;
+	std::atomic<size_t> nAttachedStimBuffs{0};
+
+private:
+	class ProduceFrameReq;
+};
+
+} // namespace stim_buff
+} // namespace smo
+
+#endif // _LIVOX_GEN1_PCLOUD_DATA_PRODUCER_H