Expand ArFrame API with additional getters

openVulkanoCpp/AR/ArFrame.cpp

@@ -7,6 +7,8 @@
 #include "ArFrame.hpp"
 #include "ArSession.hpp"
 #include "ArRecorder.hpp"
+#include <iostream>
+#include <fstream>
 
 namespace OpenVulkano::AR
 {
@@ -26,6 +28,11 @@ namespace OpenVulkano::AR
 	void ArFrame::SaveToFile(const std::filesystem::path& path, bool downsample)
 	{
 		m_session->GetRecorder().SaveToFile(shared_from_this(), path, downsample);
+		std::string metaContent = GetFrameMetadata().ToXML();
+		std::string metaPath = path.string() + std::string(".meta");
+		std::ofstream file (metaPath, std::ios::out);
+		file << metaContent;
+		file.close();
 	}
 
 	const Scene::Texture* ArFrame::GetImageTexture()
@@ -38,4 +45,4 @@ namespace OpenVulkano::AR
 	{
 		if (m_texture) m_session->ReturnTexture(m_texture);
 	}
-}
+}