livoxG1:OClCollMeshEngn: Wrestling and massaging

stimBuffApis/livoxGen1/openClCollatingAndMeshingEngine.h

@@ -9,6 +9,7 @@
 #define CL_TARGET_OPENCL_VERSION 300
 #include <CL/cl.h>
 #include "stagingBuffer.h"
+#include "frameAssemblyDesc.h"
 
 namespace smo {
 namespace stim_buff {
@@ -37,7 +38,7 @@ public:
 	// Callback function type for collateFrameReq
 	typedef std::function<void()> collateFrameReqCbFn;
 
-	void start(
+	bool start(
 		StagingBuffer& assemblyBuff, StagingBuffer& collationBuff,
 		collateFrameReqCbFn callback,
 		uint32_t nSucceeded);
@@ -71,6 +72,9 @@ private:
 	void* collationBufferPtr;
 	size_t collationBufferSize;
 
+	// Frame descriptor (cached from setup)
+	std::shared_ptr<FrameAssemblyDesc> frameAssemblyDesc;
+
 	// Callback storage
 	collateFrameReqCbFn collateFrameReqCb;