左右声道，视频截图，进度条设计

Source/Cut5/Interface/SoundInterface.cpp

@@ -2,6 +2,8 @@
 
 #include <portaudio.h>
 
+#include "Cut5/Widgets/DefineGlobal.h"
+
 FCriticalSection Mutex;
 
 FSoundThread::FSoundThread(int32 OutputChannel, int32 SampleRate) : FRunnable()
@@ -33,7 +35,7 @@ uint32 FSoundThread::Run()
 		{
 			TArray<uint8, TInlineAllocator<11760>> ResultData;
 			const int32 FrameLength = Audio.Num();
-			for (int32 i = SeekedFrame * (SampleRate / 27) * 4 * 2; i < (SeekedFrame + 1) * (SampleRate / 27) * 4 * 2 && i < FrameLength; ++i)
+			for (int32 i = SeekedFrame * (SampleRate / 26) * 4 * 2; i < (SeekedFrame + 1) * (SampleRate / 26) * 4 * 2 && i < FrameLength; ++i)
 			{
 				ResultData.Add(Audio[i]);
 			}
@@ -46,14 +48,55 @@ uint32 FSoundThread::Run()
 
 void FSoundThread::Stop()
 {
+	bStoped = true;
 	FRunnable::Stop();
 }
 
 
 
-bool FSoundThread::CopyAudio(const uint8* Data, int32 Size)
+bool FSoundThread::CopyAudio(const uint8* Data, int32 Size, ESoundSolveType SolveType)
 {
 	Audio = TArray<uint8>(Data, Size);
+	switch (SolveType)
+	{
+	case ESoundSolveType::None:
+		{
+			break;
+		}
+	case ESoundSolveType::OnlyLeft:
+		{
+			for (int32 i = 0; i < Size / 4; i++)
+			{
+				if (i % 2 == 1)
+				{
+					Audio[i * 4] = 0;
+					Audio[i * 4 + 1] = 0;
+					Audio[i * 4 + 2] = 0;
+					Audio[i * 4 + 3] = 0;
+				}
+			}
+			break;
+		}
+	case ESoundSolveType::OnlyRight:
+		{
+			for (int32 i = 0; i < Size / 4; i++)
+			{
+				if (i % 2 == 0)
+				{
+					Audio[i * 4] = 0;
+					Audio[i * 4 + 1] = 0;
+					Audio[i * 4 + 2] = 0;
+					Audio[i * 4 + 3] = 0;
+				}
+			}
+					break;
+		}
+	default:
+		{
+			break;
+		}
+	}
+	
 	return true;
 }
 

Source/Cut5/Interface/SoundInterface.h

@@ -1,4 +1,6 @@
 #pragma once
+#include "Cut5/Widgets/DefineGlobal.h"
+
 extern "C"{
 #include <portaudio.h>
 }
@@ -20,7 +22,7 @@ public:
 
 	bool bStoped = false;
 	
-	bool CopyAudio(const uint8* Data, int32 Size);
+	bool CopyAudio(const uint8* Data, int32 Size, ESoundSolveType SolveType);
 	bool SeekFrame(int32 SeekFrameLoc);
 	int32 SeekedFrame = 0;
 	TArray<uint8> Audio;

Source/Cut5/Utils/FFMPEGUtils.cpp

@@ -237,18 +237,36 @@ bool FFFMPEGUtils::ExportImage(UTexture2D* Texture2D, const FString& Path)
 	return FFileHelper::SaveArrayToFile(ImgData, *Path);
 }
 
-TArray<FSlateBrush> FFFMPEGUtils::GetMovieBrush(FClipData* ClipData)
+TArray<FSlateBrush> FFFMPEGUtils::GetMovieBrush(FClipData* ClipData, bool Regenerate)
 {
+
+	TArray<FSlateBrush> Result;
+	ClipData->MovieBrushes.Empty();
+	if (ClipData->MovieBrushesPath.Num() > 0 && !Regenerate)
+	{
+		for (int32 i = 0; i < ClipData->MovieBrushesPath.Num(); i++)
+		{
+			FSlateDynamicImageBrush Brush = FSlateDynamicImageBrush(*ClipData->MovieBrushesPath[i], FVector2f(0, 0));
+			Result.Add(Brush);
+		}
+		
+
+		return Result;
+	}
+
+	
 	for (int32 i = 0; i < ClipData->MovieBrushes.Num(); i++)
 	{
 		ClipData->MovieBrushes[i].SetResourceObject(nullptr);
 	}
-	ClipData->MovieBrushes.Empty();
+	
+	ClipData->MovieBrushesPath.Empty();
+
+
 	
 
 	
 
-	TArray<FSlateBrush> Result;
 	if (ClipData->ResourcePropertyDataPtr)
 	{
 		const float ClipLength = (ClipData->VideoEndFrame - ClipData->VideoStartFrame) * FGlobalData::DefaultTimeTickSpace;
@@ -286,36 +304,40 @@ TArray<FSlateBrush> FFFMPEGUtils::GetMovieBrush(FClipData* ClipData)
 			{
 				struct SwsContext* swsCtx = sws_getContext(
 								Frame->width, Frame->height, VideoCodecContext->pix_fmt,
-				Frame->width, Frame->height, AV_PIX_FMT_BGRA,
+								Frame->width / 10, Frame->height / 10, AV_PIX_FMT_BGRA,
 								SWS_BILINEAR, NULL, NULL, NULL
 								);
 				if (!swsCtx)
 				{
 					UE_LOG(LogTemp, Error, TEXT("Error creating swsContext"));
 				}
-				uint8* RawData = new uint8[Frame->width * Frame->height * 4];
+				uint8* RawData = new uint8[(Frame->width / 10) * (Frame->height / 10) * 4];
 				uint8* dest[4] = {RawData, 0, 0, 0};
-				int32 dest_linesize[4] = {Frame->width * 4, 0, 0, 0};
+				int32 dest_linesize[4] = {(Frame->width / 10) * 4, 0, 0, 0};
 				sws_scale(swsCtx, Frame->data, Frame->linesize, 0, Frame->height, dest, dest_linesize);
 				sws_freeContext(swsCtx);
 
 			
-				UTexture2D* Texture = UTexture2D::CreateTransient(Frame->width, Frame->height, PF_B8G8R8A8);
+				UTexture2D* Texture = UTexture2D::CreateTransient(Frame->width / 10, Frame->height / 10, PF_B8G8R8A8);
 				if (Texture)
 				{
 					void* MipData = Texture->GetPlatformData()->Mips[0].BulkData.Lock(LOCK_READ_WRITE);
-					FMemory::Memcpy(MipData, RawData, Frame->width * Frame->height * 4);
+					FMemory::Memcpy(MipData, RawData, (Frame->width / 10) * (Frame->height / 10) * 4);
 					Texture->GetPlatformData()->Mips[0].BulkData.Unlock();
 					Texture->UpdateResource();
 
-					// FGuid Guid = FGuid::NewGuid();
+					FGuid Guid = FGuid::NewGuid();
-					// ExportImage(Texture, *FPaths::Combine(FUtils::GetTempPath() / Guid.ToString() + ".png"));
+					ExportImage(Texture, *FPaths::Combine(FUtils::GetTempPath() / ClipData->ClipGuid.ToString() / Guid.ToString() + ".png"));
+					ClipData->MovieBrushesPath.Add(FPaths::Combine(FUtils::GetTempPath() / ClipData->ClipGuid.ToString() / Guid.ToString() + ".png"));
+					
 
 					FSlateBrush NewBrush;
 					NewBrush.SetResourceObject(Texture);
 					Result.Add(NewBrush);
 					delete RawData;
 				}
+
+
 			}
 		}
 	}

Source/Cut5/Utils/FFMPEGUtils.h

@@ -17,6 +17,6 @@ struct FFFMPEGUtils
 	static FString ConvertMediaGoPto1(const FString& Path);
 	static bool ExportImage(UTexture2D* Texture2D, const FString& Path);
 	
-	static TArray<FSlateBrush> GetMovieBrush(struct FClipData* ClipData);
+	static TArray<FSlateBrush> GetMovieBrush(struct FClipData* ClipData, bool Regenerate = false);
 	static TArray<FSlateBrush> GetAudioBrush(struct FClipData* ClipData);
 };

Source/Cut5/Utils/Utils.cpp

@@ -270,11 +270,9 @@ TArray<FEncodeVideoInfo> FUtils::ExportPsaf(FTrackData TrackData, const FString&
 			FString TempPath = TempClipData.ResourcePropertyDataPtr->MoviePath;
 			frames.Empty();
 			
-
 			VideoCapture capture;
 			bool ret = capture.open(TCHAR_TO_UTF8(*TempPath));
 			
-			UE_LOG(LogTemp, Log, TEXT("cv numThreads -> %s"), *FString::FromInt(getNumThreads()));
 		
 			//setNumThreads(2);
 		
@@ -309,7 +307,9 @@ TArray<FEncodeVideoInfo> FUtils::ExportPsaf(FTrackData TrackData, const FString&
 		
 			Size old_size = frameSize;
 
+			capture.set(CAP_PROP_POS_FRAMES, TempClipData.ClipStartFrame);
 			int32 frameCount = capture.get(CV_CAP_PROP_FRAME_COUNT);
+			frameCount -= ClipData[i].ClipStartFrame;
 			UE_LOG(LogTemp, Log, TEXT("frameCount: %s"), *FString::FromInt(frameCount));
 		
 			char p[128] = "pasf";

Source/Cut5/Widgets/DefineGlobal.h

@@ -297,6 +297,7 @@ struct CUT5_API FClipData
 		Ar << ClipData.PresetType;
 		Ar << ClipData.bCanDrag;
 		Ar << ClipData.PresetsCustomData;
+		Ar << ClipData.MovieBrushesPath;
 		return Ar;
 	};
 	
@@ -323,6 +324,8 @@ struct CUT5_API FClipData
 	int32 GetClipRelativeEndFrame() const { return ClipEndFrame - ClipStartFrame; }
 	FPresetsCustomData PresetsCustomData;
 	TArray<FSlateBrush> MovieBrushes;
+	TArray<FString> MovieBrushesPath;
+	
 	int32 MovieBrushNum;
 	
 	TArray<FSlateBrush> AudioBrushes;
@@ -908,3 +911,10 @@ enum class ESelectMode
 	SelectMode = 0,
 	CutMode = 1,
 };
+
+enum class ESoundSolveType
+{
+	None,
+	OnlyLeft,
+	OnlyRight,
+};

Source/Cut5/Widgets/SCutTimeline.cpp

@@ -6,6 +6,7 @@
 #include "SlateOptMacros.h"
 #include "STimelineTick.h"
 #include "STrackBody.h"
+#include "Cut5/Utils/FFMPEGUtils.h"
 #include "Cut5/Utils/Utils.h"
 #include "DragDropOperator/DragDropOperator.h"
 #include "MicroWidgets/SClickEditableText.h"
@@ -667,6 +668,7 @@ bool SCutTimeline::LoadTimeline(const FString& LoadPath, FTimelineInfo& Info)
 					{
 						if (StaticCastSharedPtr<STrackHead>(TrackGroupInstances[l].Head)->TrackData.DeviceTrack.Guid == DeviceTrackGroups[j].DeviceTracks[k].Guid)
 						{
+							AllClips[i].MovieBrushes = FFFMPEGUtils::GetMovieBrush(&AllClips[i], false);
 							StaticCastSharedPtr<STrackHead>(TrackGroupInstances[l].Head)->TrackData.ClipData.Add(AllClips[i]);
 						}
 					}

Source/Cut5/Widgets/SProgressPanel.cpp

@@ -0,0 +1,43 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "SProgressPanel.h"
+
+#include "SlateOptMacros.h"
+#include "Widgets/Layout/SBackgroundBlur.h"
+#include "Widgets/Layout/SConstraintCanvas.h"
+#include "Widgets/Notifications/SProgressBar.h"
+
+BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION
+
+void SProgressPanel::Construct(const FArguments& InArgs)
+{
+	CurrentProgress = InArgs._Limit.X;
+	TotalProgress = InArgs._Limit.Y;
+	ChildSlot
+	[
+		SNew(SConstraintCanvas)
+		+ SConstraintCanvas::Slot()
+		[
+			SNew(SBackgroundBlur)
+			.BlurStrength(100.0)
+		]
+		+ SConstraintCanvas::Slot()
+		[
+			SNew(SOverlay)
+			+ SOverlay::Slot()
+			[
+				SNew(SBox).WidthOverride(1000).HeightOverride(80)
+				[
+					SAssignNew(Progress, SProgressBar)
+					.Percent_Lambda([this]() {return CurrentProgress / TotalProgress; })
+				]
+			
+			]
+			
+		]
+	];
+
+}
+
+END_SLATE_FUNCTION_BUILD_OPTIMIZATION

Source/Cut5/Widgets/SProgressPanel.h

@@ -0,0 +1,32 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Widgets/SCompoundWidget.h"
+#include "Widgets/Notifications/SProgressBar.h"
+
+/**
+ * 
+ */
+class CUT5_API SProgressPanel : public SCompoundWidget
+{
+public:
+	SLATE_BEGIN_ARGS(SProgressPanel)
+		{
+		}
+	SLATE_ARGUMENT(FVector2D, Limit)
+	SLATE_END_ARGS()
+
+	/** Constructs this widget with InArgs */
+	void Construct(const FArguments& InArgs);
+
+	TSharedPtr<SProgressBar> Progress;
+
+	float CurrentProgress;
+	float TotalProgress;
+
+	void AddPercent(const float Percent) { CurrentProgress += Percent; }
+	void SetPercent(const float Percent) { CurrentProgress = Percent; }
+	float GetPercent() const { return CurrentProgress / TotalProgress; }
+};

Source/Cut5/Widgets/STimelineClip.cpp

@@ -303,7 +303,7 @@ void STimelineClip::Seek(int32 Frame)
 			sws_freeContext(swsCtx);
 
 			MainWidgetInterface->OnUpdateVideo(FGuid::NewGuid(), AllocatedFrame->width, AllocatedFrame->height, RawData);
-
+			DoSound(ESoundSolveType::None, Frame);
 			av_frame_free(&AllocatedFrame);
 		}
 
@@ -517,20 +517,13 @@ void STimelineClip::Seek(int32 Frame)
 		break;
 	case ETrackType::AudioTrack:
 		{
-			if (SoundThread == nullptr)
+			DoSound(ESoundSolveType::OnlyLeft, Frame);
-			{
+			break;
-				SoundThread = new FSoundThread(2, ClipData->ResourcePropertyDataPtr->AudioSample);
-				FRunnableThread* Thread = FRunnableThread::Create(SoundThread, TEXT("SoundThread"));
-				SoundThread->CopyAudio(ClipData->ResourcePropertyDataPtr->AudioData.GetData(), ClipData->ResourcePropertyDataPtr->AudioData.Num());
 		}
-
+	case ETrackType::AudioTrackR:
-			
-			const int32 Offset = Frame - ClipData->ClipStartFrame;
-			const int32 SeekMovieFrame = ClipData->VideoStartFrame + Offset;
-			if (SoundThread)
 		{
-				SoundThread->SeekFrame(SeekMovieFrame);
+			DoSound(ESoundSolveType::OnlyRight, Frame);
-			}
+			break;
 		}
 		
 		break;
@@ -820,6 +813,22 @@ FReply STimelineClip::OnDragOver(const FGeometry& MyGeometry, const FDragDropEve
 	return SCompoundWidget::OnDragOver(MyGeometry, DragDropEvent);
 }
 
+void STimelineClip::DoSound(ESoundSolveType SolveType, int32 InFrame)
+{
+	if (SoundThread == nullptr)
+	{
+		SoundThread = new FSoundThread(2, ClipData->ResourcePropertyDataPtr->AudioSample);
+		FRunnableThread* Thread = FRunnableThread::Create(SoundThread, TEXT("SoundThread"));
+		SoundThread->CopyAudio(ClipData->ResourcePropertyDataPtr->AudioData.GetData(), ClipData->ResourcePropertyDataPtr->AudioData.Num(), SolveType);
+	}
+	const int32 Offset = InFrame - ClipData->ClipStartFrame;
+	const int32 SeekMovieFrame = ClipData->VideoStartFrame + Offset;
+	if (SoundThread)
+	{
+		SoundThread->SeekFrame(SeekMovieFrame);
+	}
+}
+
 void STimelineClip::OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent)
 {
 	bIsDragOver = true;

Source/Cut5/Widgets/STimelineClip.h

@@ -59,6 +59,8 @@ public:
 	TSharedPtr<FUICommandList> CommandList;
 	FSoundThread* SoundThread;
 
+	void DoSound(ESoundSolveType SolveType, int32 InFrame);
+
 	virtual void OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
 	virtual void OnDragLeave(const FDragDropEvent& DragDropEvent) override;
 	bool bIsDragOver = false;

Source/Cut5/Widgets/STrackBody.cpp

@@ -67,6 +67,15 @@ void STrackBody::CallRender()
 {
 	Overlay->ClearChildren();
 
+	for (TSharedPtr<STimelineClip> Clip : SlateClips)
+	{
+		if (Clip->SoundThread)
+		{
+			Clip->SoundThread->Stop();
+		}
+		
+	}
+	
 	SlateClips.Empty();
 	for (FClipData& TempClipData : TrackHead->TrackData.ClipData)
 	{
@@ -178,8 +187,8 @@ void STrackBody::BreakClip(const FGuid& Guid)
 
 			if (TrackHead->TrackData.ClipData[i].ClipType == ETrackType::VideoTrack)
 			{
-				TrackHead->TrackData.ClipData[i].MovieBrushes = FFFMPEGUtils::GetMovieBrush(&TrackHead->TrackData.ClipData[i]);
+				TrackHead->TrackData.ClipData[i].MovieBrushes = FFFMPEGUtils::GetMovieBrush(&TrackHead->TrackData.ClipData[i], true);
-				TrackHead->TrackData.ClipData[Index].MovieBrushes = FFFMPEGUtils::GetMovieBrush(&NewClipData);
+				TrackHead->TrackData.ClipData[Index].MovieBrushes = FFFMPEGUtils::GetMovieBrush(&NewClipData, true);
 			}
 			else if (TrackHead->TrackData.ClipData[i].ClipType == ETrackType::AudioTrack || TrackHead->TrackData.ClipData[i].ClipType == ETrackType::AudioTrack)
 			{