Add async frame recording

openVulkanoCpp/AR/ArRecorder.hpp

@@ -7,9 +7,14 @@
 #pragma once
 
 #include "Math/ByteSize.hpp"
-#include <string>
+#include <atomic>
+#include <condition_variable>
 #include <filesystem>
+#include <mutex>
 #include <memory>
+#include <string>
+#include <thread>
+#include <queue>
 
 namespace openVulkanoCpp
 {
@@ -50,6 +55,21 @@ namespace openVulkanoCpp::AR
 
 	class ArRecorder final
 	{
+		struct AsyncProcessor final
+		{
+			ArRecorder* recorder;
+			std::thread processingThread;
+			std::queue<std::shared_ptr<ArFrame>> frameQueue, highResFrameQueue;
+			std::mutex queueMutex;
+			std::condition_variable newDataAvailable;
+			std::atomic_bool requestExit{};
+
+			explicit AsyncProcessor(ArRecorder* recorder);
+			~AsyncProcessor();
+			void Queue(const std::shared_ptr<ArFrame>& frame, bool highRes);
+			void Handler();
+		};
+
 		ArSession* m_session;
 		std::unique_ptr<MultiPartArchiveWriter> m_colorWriter, m_depthWriter, m_confidenceWriter, m_metadataWriter, m_highResWriter;
 		RecordingSettings m_settings;
@@ -57,6 +77,8 @@ namespace openVulkanoCpp::AR
 
 		IEventHandler* m_newFrameHandler = nullptr;
 
+		AsyncProcessor m_asyncProcessor;
+
 		void Write(ArFrame* frame, bool highRes = false);
 		void WriteColorImage(ArFrame* arFrame, MultiPartArchiveWriter* colorWriter, bool highRes);
 		void WriteDepthImage(ArFrame *arFrame, MultiPartArchiveWriter* depthWriter, MultiPartArchiveWriter* confWriter);
@@ -147,7 +169,7 @@ namespace openVulkanoCpp::AR
 
 		 void SetArchivePartMaxFileSize(size_t maxPartSize = 2_GiB) { m_settings.archiveSize = maxPartSize; }
 
-		 size_t GetArchivePartMaxFileSize() const { m_settings.archiveSize; }
+		 size_t GetArchivePartMaxFileSize() const { return m_settings.archiveSize; }
 
 		const RecordingSettings& GetRecordingSettings() const { return m_settings; }
 	};