Added ndi receiver and sdi outputs

Plugins/NDIIO/Source/Core/Classes/Assets/NDITimecodeProvider.cpp

@@ -0,0 +1,101 @@
+/*
+	Copyright (C) 2024 Vizrt NDI AB. All rights reserved.
+
+	This file and its use within a Product is bound by the terms of NDI SDK license that was provided
+	as part of the NDI SDK. For more information, please review the license and the NDI SDK documentation.
+*/
+
+#include <Assets/NDITimecodeProvider.h>
+
+
+UNDITimecodeProvider::UNDITimecodeProvider(const FObjectInitializer& ObjectInitializer)
+	: Super(ObjectInitializer)
+{}
+
+bool UNDITimecodeProvider::FetchTimecode(FQualifiedFrameTime& OutFrameTime)
+{
+	FScopeLock Lock(&this->StateSyncContext);
+
+	if (!IsValid(this->NDIMediaSource) ||
+	    (GetSynchronizationState() != ETimecodeProviderSynchronizationState::Synchronized))
+	{
+		return false;
+	}
+
+	OutFrameTime = this->MostRecentFrameTime;
+
+	return true;
+}
+
+ETimecodeProviderSynchronizationState UNDITimecodeProvider::GetSynchronizationState() const
+{
+	FScopeLock Lock(&this->StateSyncContext);
+
+	if (!IsValid(this->NDIMediaSource))
+		return ETimecodeProviderSynchronizationState::Closed;
+
+	return this->State;
+}
+
+bool UNDITimecodeProvider::Initialize(UEngine* InEngine)
+{
+	this->State = ETimecodeProviderSynchronizationState::Closed;
+
+	if (!IsValid(this->NDIMediaSource))
+	{
+		this->State = ETimecodeProviderSynchronizationState::Error;
+		return false;
+	}
+
+	this->NDIMediaSource->Initialize(UNDIMediaReceiver::EUsage::Standalone);
+
+	this->VideoCaptureEventHandle = this->NDIMediaSource->OnNDIReceiverVideoCaptureEvent.AddLambda([this](UNDIMediaReceiver* Receiver, const NDIlib_video_frame_v2_t& VideoFrame)
+	{
+		const FFrameRate Rate = Receiver->GetCurrentFrameRate();
+		const FTimecode Timecode = Receiver->GetCurrentTimecode();
+
+		FScopeLock Lock(&this->StateSyncContext);
+		this->State = ETimecodeProviderSynchronizationState::Synchronized;
+		this->MostRecentFrameTime = FQualifiedFrameTime(Timecode, Rate);
+	});
+	this->ConnectedEventHandle = this->NDIMediaSource->OnNDIReceiverConnectedEvent.AddLambda([this](UNDIMediaReceiver* Receiver)
+	{
+		FScopeLock Lock(&this->StateSyncContext);
+		this->State = ETimecodeProviderSynchronizationState::Synchronizing;
+	});
+	this->DisconnectedEventHandle = this->NDIMediaSource->OnNDIReceiverDisconnectedEvent.AddLambda([this](UNDIMediaReceiver* Receiver)
+	{
+		FScopeLock Lock(&this->StateSyncContext);
+		this->State = ETimecodeProviderSynchronizationState::Closed;
+	});
+
+	return true;
+}
+
+void UNDITimecodeProvider::Shutdown(UEngine* InEngine)
+{
+	ReleaseResources();
+}
+
+
+void UNDITimecodeProvider::BeginDestroy()
+{
+	ReleaseResources();
+
+	Super::BeginDestroy();
+}
+
+void UNDITimecodeProvider::ReleaseResources()
+{
+	if(IsValid(this->NDIMediaSource))
+	{
+		this->NDIMediaSource->OnNDIReceiverVideoCaptureEvent.Remove(this->VideoCaptureEventHandle);
+		this->NDIMediaSource->OnNDIReceiverConnectedEvent.Remove(this->ConnectedEventHandle);
+		this->NDIMediaSource->OnNDIReceiverDisconnectedEvent.Remove(this->DisconnectedEventHandle);
+	}
+	this->VideoCaptureEventHandle.Reset();
+	this->ConnectedEventHandle.Reset();
+	this->DisconnectedEventHandle.Reset();
+
+	this->State = ETimecodeProviderSynchronizationState::Closed;
+}