diff --git a/openVulkanoCpp/AR/ArRecorder.cpp b/openVulkanoCpp/AR/ArRecorder.cpp
index 6a65602..a3064a0 100644
--- a/openVulkanoCpp/AR/ArRecorder.cpp
+++ b/openVulkanoCpp/AR/ArRecorder.cpp
@@ -47,6 +47,7 @@ namespace OpenVulkano::AR
 	ArRecorder::ArRecorder(ArSession* session)
 			: m_session(session), m_asyncProcessor(this)
 	{
+		if (!session) return;
 		m_settings.path = GeneratePath(AppFolders::GetAppDataHomeDir(), "ar_recording");
 		session->OnNewFrameHighResolution += EventHandler(this, &ArRecorder::SaveHighResolution);
 	}
@@ -158,6 +159,7 @@ namespace OpenVulkano::AR
 
 	void ArRecorder::Start()
 	{
+		if (!m_session) return;
 		if (!m_colorWriter)
 		{
 			m_colorWriter = std::make_unique<MultiPartArchiveWriter>(m_settings.path.string(), "color_{:05d}.tar", ArchiveConfig::TAR, m_settings.archiveSize, true);
@@ -185,6 +187,7 @@ namespace OpenVulkano::AR
 
 	void ArRecorder::SetRecordingPath(const std::string& path)
 	{
+		if (!m_session) return;
 		if (!m_colorWriter)
 		{
 			std::filesystem::path p(path);
@@ -202,6 +205,7 @@ namespace OpenVulkano::AR
 
 	void ArRecorder::SetRecordingMode(RecordingMode mode)
 	{
+		if (!m_session) return;
 		if (m_settings.recordingMode == mode) return;
 		if (m_settings.recordingMode == RecordingMode::NEW_FRAME && m_newFrameHandler)
 		{
@@ -261,6 +265,7 @@ namespace OpenVulkano::AR
 	void ArRecorder::AsyncProcessor::Handler()
 	{
 		Utils::SetThreadName("ArRecorder");
+		if (!recorder->m_session) return;
 		std::unique_lock lock(queueMutex);
 		do
 		{
@@ -269,7 +274,7 @@ namespace OpenVulkano::AR
 			{
 				auto frame = std::move(highResFrameQueue.front());
 				highResFrameQueue.pop();
-				if (frame->IsSaved()) continue;
+				if (!frame || frame->IsSaved()) continue;
 				lock.unlock();
 				recorder->Write(frame.get(), true);
 				lock.lock();
@@ -284,7 +289,7 @@ namespace OpenVulkano::AR
 				}
 				auto frame = std::move(frameQueue.front());
 				frameQueue.pop();
-				if (frame->IsSaved()) continue;
+				if (!frame || frame->IsSaved()) continue;
 				lock.unlock();
 				recorder->Write(frame.get(), false);
 				lock.lock();
diff --git a/openVulkanoCpp/AR/ArSession.hpp b/openVulkanoCpp/AR/ArSession.hpp
index 209c728..198a613 100644
--- a/openVulkanoCpp/AR/ArSession.hpp
+++ b/openVulkanoCpp/AR/ArSession.hpp
@@ -71,7 +71,7 @@ namespace OpenVulkano::AR
 	class ArSession
 	{
 	protected:
-		ArSession(const ArSessionMetadata& metadata) : metadata(metadata), recorder(this) {}
+		ArSession(const ArSessionMetadata& metadata) : metadata(metadata), recorder(metadata.playback ? nullptr : this) {}
 
 	public:
 		/**
diff --git a/openVulkanoCpp/AR/ArSessionMetadata.cpp b/openVulkanoCpp/AR/ArSessionMetadata.cpp
index 10492a6..f028d9e 100644
--- a/openVulkanoCpp/AR/ArSessionMetadata.cpp
+++ b/openVulkanoCpp/AR/ArSessionMetadata.cpp
@@ -63,6 +63,7 @@ namespace OpenVulkano::AR
 		type = metaFromFile->type;
 		depthFormat = metaFromFile->depthFormat;
 		confidenceRange = metaFromFile->confidenceRange;
+		playback = true;
 	}
 
 	std::string ArSessionMetadata::ToXML() const
diff --git a/openVulkanoCpp/AR/ArSessionMetadata.hpp b/openVulkanoCpp/AR/ArSessionMetadata.hpp
index 8e756c2..b62b822 100644
--- a/openVulkanoCpp/AR/ArSessionMetadata.hpp
+++ b/openVulkanoCpp/AR/ArSessionMetadata.hpp
@@ -17,6 +17,7 @@ namespace OpenVulkano::AR
 		ArType type;
 		ArDepthFormat depthFormat;
 		Math::Range<uint8_t> confidenceRange;
+		bool playback = false;
 
 		ArSessionMetadata() noexcept
 				: ArSessionMetadata(ArType::UNKNOWN, ArDepthFormat::UNAVAILABLE, {0,0})