FFMPEG导出视频测试

Source/Cut5/Utils/Utils.cpp

@@ -2,6 +2,11 @@
 
 #include "Cut5/Widgets/DefineGlobal.h"
 
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavcodec/avcodec.h>
+}
+
 FString FUtils::MakeStringUpright(const FString& String)
 {
 	FString Result;
@@ -79,6 +84,91 @@ void FUtils::CreateDefaultTimelineSave(const FString& SavedPath, const FTimeline
 	FFileHelper::SaveArrayToFile(SavedData, *SavedPath);
 }
 
+void FUtils::TrackEncodeVideo(const FTrackData& TrackData, const FString& ExportPath)
+{
+
+	if (TrackData.ClipData.Num() == 0)
+		return;
+	
+	AVFormatContext *outctx = NULL;
+	AVStream *outstream = NULL;
+	AVCodecContext *outcodecctx = NULL;
+	AVCodec *outcodec = NULL;
+
+	avformat_alloc_output_context2(&outctx, NULL, NULL, "output.mp4");
+	outcodec = avcodec_find_encoder(AV_CODEC_ID_H264);
+	outstream = avformat_new_stream(outctx, outcodec);
+	outcodecctx = avcodec_alloc_context3(outcodec);
+
+
+	TArray<FClipData> ClipData = TrackData.ClipData;
+	ClipData.Sort([](const FClipData& A, const FClipData& B) {return A.ClipStartFrame < B.ClipStartFrame; });
+
+
+
+	// 对于每个AVFrame
+	AVFrame *frame = NULL;
+
+
+
+
+	for (FClipData& TempClipData : ClipData)
+	{
+		// 先从 ClipData 中读取这个 Clip 的视频数据。
+		if (TempClipData.ResourcePropertyDataPtr->Context)
+		{
+			FTimespan EndTimespan = FTimespan::FromSeconds(TempClipData.VideoEndFrame / FGlobalData::GlobalFPS);
+			FTimespan StartTimespan = FTimespan::FromSeconds(TempClipData.VideoStartFrame / FGlobalData::GlobalFPS);
+			
+			
+			FString StartTime = FString::Printf(TEXT("%02d:%02d:%02d"), StartTimespan.GetHours(), StartTimespan.GetMinutes(), StartTimespan.GetSeconds());
+			FString EndTime = FString::Printf(TEXT("%02d:%02d:%02d"), EndTimespan.GetHours(), EndTimespan.GetMinutes(), EndTimespan.GetSeconds());
+			FString InputFile = TempClipData.ResourcePropertyDataPtr->MoviePath;
+			FString OutputFile = FPaths::ConvertRelativePathToFull((FPaths::Combine(FPaths::ProjectDir(), TEXT("output.mp4"))));
+			int32 StartFrame = (TempClipData.VideoStartFrame) % static_cast<int>(FGlobalData::GlobalFPS);;
+			int32 EndFrame = (TempClipData.VideoEndFrame) % static_cast<int>(FGlobalData::GlobalFPS);
+
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Red, FString::Printf(TEXT("StartFrame: %d, EndFrame: %d"), StartFrame, EndFrame));
+				//输出文件名字
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Red, FString::Printf(TEXT("OutputFile: %s"), *OutputFile));
+			//输入文件名字
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Red, FString::Printf(TEXT("InputFile: %s"), *InputFile));
+			//开始时间
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Red, FString::Printf(TEXT("StartTime: %s"), *StartTime));
+			//结束时间
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Red, FString::Printf(TEXT("EndTime: %s"), *EndTime));
+			// 构造FFmpeg命令
+			FString Command = FString::Printf(TEXT("-y -i %s -ss %s -to %s -c copy %s"),
+				*InputFile, *StartTime, *EndTime, *OutputFile);
+
+			FString FFmpegPath = FPaths::ConvertRelativePathToFull(FPaths::ProjectDir() / TEXT("Binaries") / TEXT("Win64") / TEXT("ffmpeg.exe"));
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Red, FFmpegPath + " " + FString::Printf(TEXT("%s"), *Command));
+			// FFmpeg的路径，需要根据实际情况修改
+			
+
+			// 创建进程
+			FPlatformProcess::CreateProc(*FFmpegPath, *Command, true, false, false, nullptr, 0, nullptr, nullptr);
+		}
+	}
+	
+
+	
+
+
+
+
+
+	
+
+	//
+	// av_write_trailer(outctx);
+	// avio_close(outctx->pb);
+	// avformat_free_context(outctx);
+	// av_frame_free(&frame);
+
+	
+}
+
 FSaveModifier::FSaveModifier(const FString& FullSavedPath)
 {
 	

Source/Cut5/Utils/Utils.h

@@ -22,6 +22,7 @@ public:
  	*/
 	static void CreateDefaultTimelineSave(const FString& SavedPath, const FTimelineInfo::ETimelineType Type);
 
+	static void TrackEncodeVideo(const FTrackData& TrackData, const FString& ExportPath);
 
 	static FString GroupFullPath(const FString& GroupName)
 	{

Source/Cut5/Widgets/Commands/MainMenuCommands.cpp

@@ -7,6 +7,7 @@ void FMainMenuCommands::RegisterCommands()
 	UI_COMMAND(OpenProject, "打开", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
 	UI_COMMAND(SaveProject, "保存", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
 	UI_COMMAND(SaveProjectAs, "另存为", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
+	UI_COMMAND(ExportXML, "导出", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
 	UI_COMMAND(Setting, "设置", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
 	UI_COMMAND(Exit, "退出", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
 }

Source/Cut5/Widgets/Commands/MainMenuCommands.h

@@ -21,6 +21,7 @@ public:
 	TSharedPtr<FUICommandInfo> OpenProject;
 	TSharedPtr<FUICommandInfo> SaveProject;
 	TSharedPtr<FUICommandInfo> SaveProjectAs;
+	TSharedPtr<FUICommandInfo> ExportXML;
 	TSharedPtr<FUICommandInfo> Setting;
 	TSharedPtr<FUICommandInfo> Exit;
 };

Source/Cut5/Widgets/DragDropOperator/DragDropOperator.cpp

@@ -134,6 +134,7 @@ void DragDropOperator::OnDrop(const FGeometry& MyGeometry, const FDragDropEvent&
 			// 如果拖拽物是视频，那么对不同轨道进行不同和操作
 			NewClipData.MoviePath = ClipDragOperation.TimelinePropertyData->MoviePath;
 			NewClipData.ClipEndFrame = NewClipData.ClipStartFrame + ClipDragOperation.TimelinePropertyData->MovieFrameLength;
+			NewClipData.VideoEndFrame = ClipDragOperation.TimelinePropertyData->MovieFrameLength;
 			NewClipData.VideoCapture = ClipDragOperation.VideoCapture;
 			if (TrackHead->TrackData.TrackType == ETrackType::LightArrayTrack)
 			{

Source/Cut5/Widgets/SCutMainWindow.cpp

@@ -40,32 +40,8 @@ void SCutMainWindow::Construct(const FArguments& InArgs)
 	SAssignNew(StatePanel, SStatePanel);
 	SAssignNew(CustomPanel, SCustomPanel);
 
-	FMainMenuCommands::Register();
-	CommandList = MakeShareable(new FUICommandList);
-	CommandList->MapAction(FMainMenuCommands::Get().NewProject, FExecuteAction::CreateLambda([this]()
-	{
-		PreNewProject();
-	}));
-	CommandList->MapAction(FMainMenuCommands::Get().OpenProject, FExecuteAction::CreateLambda([this]()
-	{
-		FString String;
-		IDesktopPlatform* DesktopPlatform = FDesktopPlatformModule::Get();
-		DesktopPlatform->OpenDirectoryDialog(nullptr, TEXT("选择新建路径"), String, String);
-		if (String.IsEmpty())
-			return;
-		OpenProject(String);
-	}));
-	CommandList->MapAction(FMainMenuCommands::Get().SaveProject, FExecuteAction::CreateLambda([this]()
-	{
-		SaveProject();
-	}));
 
 
-	CommandList->MapAction(FMainMenuCommands::Get().Exit, FExecuteAction::CreateLambda([this]()
-	{
-		FPlatformMisc::RequestExit(true);
-	}));
-
 	FTextBlockStyle MainBarTextStyle = FAppStyle::GetWidgetStyle<FTextBlockStyle>("NormalText");
 	MainBarTextStyle.SetFontSize(17);
 	FTextBlockStyle TitleBarTextStyle = FAppStyle::GetWidgetStyle<FTextBlockStyle>("NormalText");
@@ -131,6 +107,7 @@ void SCutMainWindow::Construct(const FArguments& InArgs)
 							MenuBuilder.AddMenuEntry(FMainMenuCommands::Get().OpenProject, NAME_None, FText::FromString(TEXT("打开")));
 							MenuBuilder.AddMenuEntry(FMainMenuCommands::Get().SaveProject, NAME_None, FText::FromString(TEXT("保存")));
 							MenuBuilder.AddMenuEntry(FMainMenuCommands::Get().SaveProjectAs, NAME_None, FText::FromString(TEXT("保存为")));
+							MenuBuilder.AddMenuEntry(FMainMenuCommands::Get().ExportXML, NAME_None, FText::FromString(TEXT("导出项目到xml")));
 							MenuBuilder.AddMenuEntry(FMainMenuCommands::Get().Setting, NAME_None, FText::FromString(TEXT("设置")));
 							MenuBuilder.AddMenuEntry(FMainMenuCommands::Get().Exit, NAME_None, FText::FromString(TEXT("退出")));
 							FSlateApplication::Get().PushMenu(AsShared(), FWidgetPath(), MenuBuilder.MakeWidget(), FSlateApplication::Get().GetCursorPos(), FPopupTransitionEffect(FPopupTransitionEffect::ContextMenu));
@@ -350,6 +327,42 @@ void SCutMainWindow::Construct(const FArguments& InArgs)
 	// OpenProject(FPaths::Combine(FPaths::ProjectSavedDir(), TEXT("DefaultProject")));
 	// ImportProject("");
 
+
+	FMainMenuCommands::Register();
+	CommandList = MakeShareable(new FUICommandList);
+	CommandList->MapAction(FMainMenuCommands::Get().ExportXML, FExecuteAction::CreateLambda([this]()
+	{
+		FString String;
+		IDesktopPlatform* DesktopPlatform = FDesktopPlatformModule::Get();
+		DesktopPlatform->OpenDirectoryDialog(nullptr, TEXT("选择导出路径"), String, String);
+		if (String.IsEmpty())
+			return;
+		ExportProject(String);
+	}));
+	
+	CommandList->MapAction(FMainMenuCommands::Get().NewProject, FExecuteAction::CreateLambda([this]()
+	{
+		PreNewProject();
+	}));
+	CommandList->MapAction(FMainMenuCommands::Get().OpenProject, FExecuteAction::CreateLambda([this]()
+	{
+		FString String;
+		IDesktopPlatform* DesktopPlatform = FDesktopPlatformModule::Get();
+		DesktopPlatform->OpenDirectoryDialog(nullptr, TEXT("选择新建路径"), String, String);
+		if (String.IsEmpty())
+			return;
+		OpenProject(String);
+	}));
+	CommandList->MapAction(FMainMenuCommands::Get().SaveProject, FExecuteAction::CreateLambda([this]()
+	{
+		SaveProject();
+	}));
+
+
+	// CommandList->MapAction(FMainMenuCommands::Get().Exit, FExecuteAction::CreateLambda([this]()
+	// {
+	// 	FPlatformMisc::RequestExit(true);
+	// }));
 }
 
 void SCutMainWindow::Render()
@@ -636,19 +649,20 @@ void SCutMainWindow::OpenProject(const FString& Project)
 
 void SCutMainWindow::ExportProject(const FString& ExportPath)
 {
-	// Save Project Link
-	TArray<uint8> Data {0};
-	FMemoryWriter MemoryWriter(Data);
-	FString CustomInputPanelSavePath = ExportPath + "/" + FGlobalData::CurrentProjectName + "/Dataset/" + TEXT("CustomInputPanel.bin");
-	MemoryWriter << CustomInputPanelSavePath;
-	CustomInputPanel->SavePanel(CustomInputPanelSavePath);
-	
-	FString FXPath = ExportPath + "/" + FGlobalData::CurrentProjectName + "/Dataset/" + TEXT("FX.bin"); 
-	MemoryWriter << FXPath;
-	EffectCardsPanel->SavePanel(FXPath);
-	
-	FFileHelper::SaveArrayToFile(Data, *FPaths::Combine(ExportPath, *FGlobalData::CurrentProjectName, FGlobalData::CurrentProjectName + TEXT("_Link.cutlink")));
 
+	for (FTrackGroup& TrackGroup : CutTimeline->TrackGroups)
+	{
+		for (FTrackData& TrackData : TrackGroup.TrackDataArray)
+		{
+			
+			FUtils::TrackEncodeVideo(TrackData, {});
+		}
+	}
+
+	for (int32 i = 0; i < CutTimeline->TrackGroupInstances.Num(); i++)
+	{
+		FUtils::TrackEncodeVideo(StaticCastSharedPtr<STrackHead>(CutTimeline->TrackGroupInstances[i].Head)->TrackData, TEXT("D:\\Project\\Cut5\\Movie.mp4"));
+	}
 	
 	if (ExportPath.IsEmpty())
 		return;

Source/Cut5/Widgets/STimelineClip.cpp

@@ -167,7 +167,6 @@ void STimelineClip::Seek(int32 Frame)
 	{
 	case ETrackType::VideoTrack:
 		{
-			
 			if (!ClipData->VideoCapture || Frame > ClipData->ClipEndFrame || Frame < 0)
 			{
 				return;