Initial push of AJAMedia plugin for 4.23. SDK ntv2sdkwin_15.2.0.4

AjaMedia.uplugin

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+{
+	"FileVersion" : 3,
+
+	"FriendlyName" : "AJA Media Player",
+	"Version" : 2,
+	"VersionName" : "2.0",
+	"CreatedBy" : "Epic Games Inc",
+	"CreatedByURL" : "http://epicgames.com",
+	"MarketplaceURL" : "com.epicgames.launcher://ue/marketplace/content/91088fb17fb04b6b9eda41aaf8fda21e",
+	"Description" : "Implements input and output using AJA Capture cards.",
+	"Category" : "Media Players",
+	"CanContainContent" : true,
+	"EnabledByDefault" : false,
+	"IsBetaVersion": false,
+
+	"Modules" :
+	[
+		{
+			"Name" : "AjaMedia",
+			"Type" : "Runtime",
+			"LoadingPhase" : "Default",
+			"WhitelistPlatforms" : [ "Win64" ]
+		},
+		{
+			"Name": "AjaMediaOutput",
+			"Type" : "Runtime",
+			"LoadingPhase" : "Default",
+			"WhitelistPlatforms" : [ "Win64" ]
+		},
+		{
+			"Name" : "AjaMediaFactory",
+			"Type" : "Editor",
+			"LoadingPhase" : "PostEngineInit",
+			"WhitelistPlatforms" : [ "Win64" ]
+		},
+		{
+			"Name" : "AjaMediaFactory",
+			"Type": "RuntimeNoCommandlet",
+			"LoadingPhase" : "PostEngineInit",
+			"WhitelistPlatforms" : [ "Win64" ]
+		},
+		{
+			"Name" : "AjaMediaEditor",
+			"Type" : "Editor",
+			"LoadingPhase" : "PostEngineInit",
+			"WhitelistPlatforms" : [ "Win64" ]
+		}
+	],
+	"Plugins" :
+	[
+		{
+			"Name" : "MediaIOFramework",
+			"Enabled" : true
+		}
+	]
+}

Config/BaseAjaMedia.ini

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+[CoreRedirects]
+
+; 4.22
++EnumRedirects=(OldName="EAjaMediaOutputPixelFormat", ValueChanges=(("PF_8BIT_ARGB", "PF_8BIT_YUV"), ("PF_10BIT_RGB", "PF_10BIT_YUV")))
++EnumRedirects=(OldName="EAjaMediaSourceColorFormat", ValueChanges=(("BGRA", "YUV2_8bit"), ("BGR10", "YUV_10bit")))
+

LICENSE

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+MIT License
+
+Copyright (c) 2019 Epic Games
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Source/AjaMedia/AjaMedia.Build.cs

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+// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
+
+using System.IO;
+
+namespace UnrealBuildTool.Rules
+{
+	using System.IO;
+
+	public class AjaMedia : ModuleRules
+	{
+		public AjaMedia(ReadOnlyTargetRules Target) : base(Target)
+		{
+			PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
+
+			DynamicallyLoadedModuleNames.AddRange(
+				new string[] {
+					"Media",
+				});
+
+			PrivateDependencyModuleNames.AddRange(
+				new string[] {
+					"AJA",
+					"Core",
+					"CoreUObject",
+					"Engine",
+					"MediaIOCore",
+					"MediaUtils",
+					"Projects",
+					"TimeManagement",
+					"UtilityShaders"
+				});
+
+			PrivateIncludePathModuleNames.AddRange(
+				new string[] {
+					"Media",
+				});
+
+			PrivateIncludePaths.AddRange(
+				new string[] {
+					"AjaMedia/Private",
+					"AjaMedia/Private/Aja",
+					"AjaMedia/Private/Assets",
+					"AjaMedia/Private/Player",
+					"AjaMedia/Private/Shared",
+				});
+
+			PublicDependencyModuleNames.AddRange(
+				new string[] {
+					"MediaAssets",
+				});
+		}
+	}
+}

Source/AjaMedia/Private/Aja/Aja.cpp

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+// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
+
+#include "Aja.h"
+#include "AjaMediaPrivate.h"
+
+#include "Misc/FrameRate.h"
+#include "Interfaces/IPluginManager.h"
+#include "HAL/PlatformProcess.h"
+#include "Misc/Paths.h"
+
+ //~ Static initialization
+ //--------------------------------------------------------------------
+void* FAja::LibHandle = nullptr; 
+bool FAja::bCanForceAJAUsage = false;
+
+//~ Initialization functions implementation
+//--------------------------------------------------------------------
+bool FAja::Initialize()
+{
+#if AJAMEDIA_DLL_PLATFORM
+	check(LibHandle == nullptr);
+
+#if AJAMEDIA_DLL_DEBUG
+	const FString AjaDll = TEXT("AJAd.dll");
+#else
+	const FString AjaDll = TEXT("AJA.dll");
+#endif //AJAMEDIA_DLL_DEBUG
+
+	// determine directory paths
+	FString AjaDllPath = FPaths::Combine(IPluginManager::Get().FindPlugin(TEXT("AjaMedia"))->GetBaseDir(), TEXT("/Binaries/ThirdParty/Win64"));
+	FPlatformProcess::PushDllDirectory(*AjaDllPath);
+	AjaDllPath = FPaths::Combine(AjaDllPath, AjaDll);
+
+	if (!FPaths::FileExists(AjaDllPath))
+	{
+		UE_LOG(LogAjaMedia, Error, TEXT("Failed to find the binary folder for the AJA dll. Plug-in will not be functional."));
+		return false;
+	}
+
+	LibHandle = FPlatformProcess::GetDllHandle(*AjaDllPath);
+
+	if (LibHandle == nullptr)
+	{
+		UE_LOG(LogAjaMedia, Error, TEXT("Failed to load required library %s. Plug-in will not be functional."), *AjaDllPath);
+		return false;
+	}
+
+	//Check if command line argument to force AJA card usage is there
+	bCanForceAJAUsage = FParse::Param(FCommandLine::Get(), TEXT("forceajausage"));
+
+#if !NO_LOGGING
+	AJA::SetLoggingCallbacks(&LogInfo, &LogWarning, &LogError);
+#endif // !NO_LOGGING
+	return true;
+#else
+	return false;
+#endif // AJAMEDIA_DLL_PLATFORM
+}
+
+bool FAja::IsInitialized()
+{
+	return (LibHandle != nullptr);
+}
+
+void FAja::Shutdown()
+{
+#if AJAMEDIA_DLL_PLATFORM
+	if (LibHandle != nullptr)
+	{
+#if !NO_LOGGING
+		AJA::SetLoggingCallbacks(nullptr, nullptr, nullptr);
+#endif // !NO_LOGGING
+		FPlatformProcess::FreeDllHandle(LibHandle);
+		LibHandle = nullptr;
+	}
+#endif // AJAMEDIA_DLL_PLATFORM
+}
+
+//~ Conversion functions implementation
+//--------------------------------------------------------------------
+
+FTimecode FAja::ConvertAJATimecode2Timecode(const AJA::FTimecode& InTimecode, const FFrameRate& InFPS)
+{
+	return FTimecode(InTimecode.Hours, InTimecode.Minutes, InTimecode.Seconds, InTimecode.Frames, FTimecode::IsDropFormatTimecodeSupported(InFPS));
+}
+
+//~ Log functions implementation
+//--------------------------------------------------------------------
+void FAja::LogInfo(const TCHAR* InFormat, ...)
+{
+#if !NO_LOGGING
+	TCHAR TempString[1024];
+	va_list Args;
+
+	va_start(Args, InFormat );
+	FCString::GetVarArgs(TempString, ARRAY_COUNT(TempString), InFormat, Args);
+	va_end(Args);
+
+	UE_LOG(LogAjaMedia, Log, TempString);
+#endif // !NO_LOGGING
+}
+
+void FAja::LogWarning(const TCHAR* InFormat, ...)
+{
+#if !NO_LOGGING
+	TCHAR TempString[1024];
+	va_list Args;
+
+	va_start(Args, InFormat );
+	FCString::GetVarArgs(TempString, ARRAY_COUNT(TempString), InFormat, Args);
+	va_end(Args);
+
+	UE_LOG(LogAjaMedia, Warning, TempString);
+#endif // !NO_LOGGING
+}
+
+void FAja::LogError(const TCHAR* InFormat, ...)
+{
+#if !NO_LOGGING
+	TCHAR TempString[1024];
+	va_list Args;
+
+	va_start(Args, InFormat );
+	FCString::GetVarArgs(TempString, ARRAY_COUNT(TempString), InFormat, Args);
+	va_end(Args);
+
+	UE_LOG(LogAjaMedia, Error, TempString);
+#endif // !NO_LOGGING
+}
+
+
+

Source/AjaMedia/Private/Aja/Aja.h

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+// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include "CoreTypes.h"
+#include "Misc/App.h"
+#include "Misc/Timecode.h"
+#include "Misc/Timespan.h"
+
+namespace AJA
+{
+	struct FTimecode;
+}
+struct FFrameRate;
+
+class FAja
+{
+public:
+	static bool Initialize();
+	static bool IsInitialized();
+	static void Shutdown();
+
+	// Helpers
+	static FTimecode ConvertAJATimecode2Timecode(const AJA::FTimecode& InTimecode, const FFrameRate& InFPS);
+
+	static bool CanUseAJACard() { return (FApp::CanEverRender() || bCanForceAJAUsage); }
+
+private:
+	static void LogInfo(const TCHAR* InFormat, ...);
+	static void LogWarning(const TCHAR* InFormat, ...);
+	static void LogError(const TCHAR* InFormat, ...);
+
+private:
+	static void* LibHandle;
+	static bool bCanForceAJAUsage;
+};