Sch/Cut5
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

FFMPEG导出视频测试

Browse Source
This commit is contained in:
Sch 2023-08-10 12:50:29 +08:00
parent 3eb8c9ae88
commit d580c945a6
9 changed files with 144 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
Movie.mp4 Normal file
View File

Binary file not shown.

90
Source/Cut5/Utils/Utils.cpp
View File

@ -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)
{

1
Source/Cut5/Utils/Utils.h
View File

@ -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)
{

1
Source/Cut5/Widgets/Commands/MainMenuCommands.cpp
View File

@ -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());
}

1
Source/Cut5/Widgets/Commands/MainMenuCommands.h
View File

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

1
Source/Cut5/Widgets/DragDropOperator/DragDropOperator.cpp
View File

@ -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)
{

86
Source/Cut5/Widgets/SCutMainWindow.cpp
View File

@ -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;

1
Source/Cut5/Widgets/STimelineClip.cpp
View File

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

BIN
output.mp4 Normal file
View File

Binary file not shown.