Fix macro list displaying wrong contents after deleting group

This was only a visual issue - the correct macros were deleted in the
backend

CMakeLists.txt

@@ -113,6 +113,8 @@ target_sources(
           src/macro-core/macro-action-plugin-state.hpp
           src/macro-core/macro-action-profile.cpp
           src/macro-core/macro-action-profile.hpp
+          src/macro-core/macro-action-projector.cpp
+          src/macro-core/macro-action-projector.hpp
           src/macro-core/macro-action-random.cpp
           src/macro-core/macro-action-random.hpp
           src/macro-core/macro-action-recording.cpp

data/locale/en-US.ini

@@ -594,6 +594,17 @@ AdvSceneSwitcher.action.variable.currentSegmentValue="Current value:"
 AdvSceneSwitcher.action.variable.entry="{{actions}}{{variables}}{{variables2}}{{strValue}}{{numValue}}{{segmentIndex}}"
 AdvSceneSwitcher.action.variable.entry.substringIndex="Substring start:{{subStringStart}} Substring size:{{subStringSize}}"
 AdvSceneSwitcher.action.variable.entry.substringRegex="Assign value of{{regexMatchIdx}}match using regular expression:"
+AdvSceneSwitcher.action.projector="Projector"
+AdvSceneSwitcher.action.projector.type.source="Source"
+AdvSceneSwitcher.action.projector.type.scene="Scene"
+AdvSceneSwitcher.action.projector.type.preview="Preview"
+AdvSceneSwitcher.action.projector.type.program="Program"
+AdvSceneSwitcher.action.projector.type.multiview="Multiview"
+AdvSceneSwitcher.action.projector.display="Display"
+AdvSceneSwitcher.action.projector.windowed="Windowed"
+AdvSceneSwitcher.action.projector.fullscreen="Fullscreen"
+AdvSceneSwitcher.action.projector.entry="Open{{windowTypes}}projector of{{types}}{{scenes}}{{sources}}"
+AdvSceneSwitcher.action.projector.entry.monitor="on{{monitors}}"
 
 
 ; Transition Tab

src/general.cpp

@@ -653,7 +653,7 @@ void SwitcherData::saveGeneralSettings(obs_data_t *obj)
 
 	obs_data_set_int(obj, "threadPriority", threadPriority);
 
-	obs_data_set_bool(obj, "tansitionOverrideOverride",
+	obs_data_set_bool(obj, "transitionOverrideOverride",
 			  transitionOverrideOverride);
 	obs_data_set_bool(obj, "adjustActiveTransitionType",
 			  adjustActiveTransitionType);
@@ -735,8 +735,14 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 				 QThread::NormalPriority);
 	threadPriority = obs_data_get_int(obj, "threadPriority");
 
-	transitionOverrideOverride =
+	// TODO: Remove this fallback in future version
-		obs_data_get_bool(obj, "tansitionOverrideOverride");
+	if (obs_data_has_user_value(obj, "tansitionOverrideOverride")) {
+		transitionOverrideOverride =
+			obs_data_get_bool(obj, "tansitionOverrideOverride");
+	} else {
+		transitionOverrideOverride =
+			obs_data_get_bool(obj, "transitionOverrideOverride");
+	}
 	adjustActiveTransitionType =
 		obs_data_get_bool(obj, "adjustActiveTransitionType");
 

src/macro-core/macro-action-projector.cpp

@@ -0,0 +1,290 @@
+#include "macro-action-projector.hpp"
+#include "advanced-scene-switcher.hpp"
+#include "utility.hpp"
+
+#include <QScreen>
+
+const std::string MacroActionProjector::id = "projector";
+
+bool MacroActionProjector::_registered = MacroActionFactory::Register(
+	MacroActionProjector::id,
+	{MacroActionProjector::Create, MacroActionProjectorEdit::Create,
+	 "AdvSceneSwitcher.action.projector"});
+
+const static std::map<MacroActionProjector::Type, std::string> selectionTypes = {
+	{MacroActionProjector::Type::SOURCE,
+	 "AdvSceneSwitcher.action.projector.type.source"},
+	{MacroActionProjector::Type::SCENE,
+	 "AdvSceneSwitcher.action.projector.type.scene"},
+	{MacroActionProjector::Type::PREVIEW,
+	 "AdvSceneSwitcher.action.projector.type.preview"},
+	{MacroActionProjector::Type::PROGRAM,
+	 "AdvSceneSwitcher.action.projector.type.program"},
+	{MacroActionProjector::Type::MULTIVIEW,
+	 "AdvSceneSwitcher.action.projector.type.multiview"},
+};
+
+bool MacroActionProjector::PerformAction()
+{
+	std::string name = "";
+	const char *type = "";
+
+	switch (_type) {
+	case MacroActionProjector::Type::SOURCE:
+		type = "Source";
+		name = GetWeakSourceName(_source.GetSource());
+		if (name.empty()) {
+			return true;
+		}
+		break;
+	case MacroActionProjector::Type::SCENE:
+		type = "Scene";
+		name = GetWeakSourceName(_scene.GetScene());
+		if (name.empty()) {
+			return true;
+		}
+		break;
+	case MacroActionProjector::Type::PREVIEW:
+		type = "Preview";
+		break;
+	case MacroActionProjector::Type::PROGRAM:
+		type = "StudioProgram";
+		break;
+	case MacroActionProjector::Type::MULTIVIEW:
+		type = "Multiview";
+		break;
+	}
+
+	obs_frontend_open_projector(type, _fullscreen ? _monitor : -1, "",
+				    name.c_str());
+
+	return true;
+}
+
+void MacroActionProjector::LogAction() const
+{
+	auto it = selectionTypes.find(_type);
+	if (it != selectionTypes.end()) {
+		vblog(LOG_INFO,
+		      "performed projector action \"%s\" with"
+		      "source \"%s\","
+		      "scene \"%s\","
+		      "monitor %d",
+		      it->second.c_str(), _source.ToString(true).c_str(),
+		      _scene.ToString(true).c_str(), _monitor);
+	} else {
+		blog(LOG_WARNING, "ignored unknown projector action %d",
+		     static_cast<int>(_type));
+	}
+}
+
+bool MacroActionProjector::Save(obs_data_t *obj) const
+{
+	MacroAction::Save(obj);
+	obs_data_set_int(obj, "type", static_cast<int>(_type));
+	obs_data_set_int(obj, "monitor", _monitor);
+	obs_data_set_bool(obj, "fullscreen", _fullscreen);
+	_scene.Save(obj);
+	_source.Save(obj);
+	return true;
+}
+
+bool MacroActionProjector::Load(obs_data_t *obj)
+{
+	MacroAction::Load(obj);
+	_type = static_cast<Type>(obs_data_get_int(obj, "type"));
+	_monitor = obs_data_get_int(obj, "monitor");
+	_fullscreen = obs_data_get_bool(obj, "fullscreen");
+	_scene.Load(obj);
+	_source.Load(obj);
+	return true;
+}
+
+static inline void populateSelectionTypes(QComboBox *list)
+{
+	for (auto entry : selectionTypes) {
+		list->addItem(obs_module_text(entry.second.c_str()));
+	}
+}
+
+static inline void populateWindowTypes(QComboBox *list)
+{
+	list->addItem(
+		obs_module_text("AdvSceneSwitcher.action.projector.windowed"));
+	list->addItem(obs_module_text(
+		"AdvSceneSwitcher.action.projector.fullscreen"));
+}
+
+static QStringList getMonitorNames()
+{
+	QStringList monitorNames;
+	QList<QScreen *> screens = QGuiApplication::screens();
+	for (int i = 0; i < screens.size(); i++) {
+		QScreen *screen = screens[i];
+		QRect screenGeometry = screen->geometry();
+		qreal ratio = screen->devicePixelRatio();
+		QString name = "";
+#if defined(__APPLE__) || defined(_WIN32)
+		name = screen->name();
+#else
+		name = screen->model().simplified();
+		if (name.length() > 1 && name.endsWith("-")) {
+			name.chop(1);
+		}
+#endif
+		name = name.simplified();
+
+		if (name.length() == 0) {
+			name = QString("%1 %2")
+				       .arg(obs_module_text(
+					       "AdvSceneSwitcher.action.projector.display"))
+				       .arg(QString::number(i + 1));
+		}
+		QString str =
+			QString("%1: %2x%3 @ %4,%5")
+				.arg(name,
+				     QString::number(screenGeometry.width() *
+						     ratio),
+				     QString::number(screenGeometry.height() *
+						     ratio),
+				     QString::number(screenGeometry.x()),
+				     QString::number(screenGeometry.y()));
+
+		monitorNames << str;
+	}
+	return monitorNames;
+}
+
+MacroActionProjectorEdit::MacroActionProjectorEdit(
+	QWidget *parent, std::shared_ptr<MacroActionProjector> entryData)
+	: QWidget(parent),
+	  _windowTypes(new QComboBox()),
+	  _types(new QComboBox()),
+	  _scenes(new SceneSelectionWidget(window(), true, false, true, true,
+					   true)),
+	  _sources(new SourceSelectionWidget(window(), QStringList(), true)),
+	  _monitorSelection(new QHBoxLayout()),
+	  _monitors(new QComboBox())
+{
+	populateWindowTypes(_windowTypes);
+	populateSelectionTypes(_types);
+	auto sources = GetSourceNames();
+	sources.sort();
+	_sources->SetSourceNameList(sources);
+	_monitors->addItems(getMonitorNames());
+
+	QWidget::connect(_windowTypes, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(WindowTypeChanged(int)));
+	QWidget::connect(_types, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(TypeChanged(int)));
+	QWidget::connect(_scenes, SIGNAL(SceneChanged(const SceneSelection &)),
+			 this, SLOT(SceneChanged(const SceneSelection &)));
+	QWidget::connect(_sources,
+			 SIGNAL(SourceChanged(const SourceSelection &)), this,
+			 SLOT(SourceChanged(const SourceSelection &)));
+	QWidget::connect(_monitors, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(MonitorChanged(int)));
+
+	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
+		{"{{windowTypes}}", _windowTypes}, {"{{types}}", _types},
+		{"{{scenes}}", _scenes},           {"{{sources}}", _sources},
+		{"{{monitors}}", _monitors},
+	};
+
+	placeWidgets(obs_module_text(
+			     "AdvSceneSwitcher.action.projector.entry.monitor"),
+		     _monitorSelection, widgetPlaceholders);
+
+	QHBoxLayout *mainLayout = new QHBoxLayout;
+	placeWidgets(obs_module_text("AdvSceneSwitcher.action.projector.entry"),
+		     mainLayout, widgetPlaceholders);
+	mainLayout->insertLayout(mainLayout->count() - 1, _monitorSelection);
+	setLayout(mainLayout);
+
+	_entryData = entryData;
+	UpdateEntryData();
+	_loading = false;
+}
+
+void MacroActionProjectorEdit::UpdateEntryData()
+{
+	if (!_entryData) {
+		return;
+	}
+	_windowTypes->setCurrentIndex(_entryData->_fullscreen ? 1 : 0);
+	_types->setCurrentIndex(static_cast<int>(_entryData->_type));
+	_scenes->SetScene(_entryData->_scene);
+	_sources->SetSource(_entryData->_source);
+	_monitors->setCurrentIndex(_entryData->_monitor);
+	SetWidgetVisibility();
+}
+
+void MacroActionProjectorEdit::SceneChanged(const SceneSelection &s)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_scene = s;
+}
+
+void MacroActionProjectorEdit::SourceChanged(const SourceSelection &source)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_source = source;
+}
+
+void MacroActionProjectorEdit::MonitorChanged(int value)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_monitor = value;
+}
+
+void MacroActionProjectorEdit::WindowTypeChanged(int value)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_fullscreen =
+		_windowTypes->currentText() ==
+		obs_module_text("AdvSceneSwitcher.action.projector.fullscreen");
+	SetWidgetVisibility();
+}
+
+void MacroActionProjectorEdit::TypeChanged(int value)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_type = static_cast<MacroActionProjector::Type>(value);
+	SetWidgetVisibility();
+}
+
+void MacroActionProjectorEdit::SetWidgetVisibility()
+{
+	if (!_entryData) {
+		return;
+	}
+
+	_scenes->setVisible(_entryData->_type ==
+			    MacroActionProjector::Type::SCENE);
+	_sources->setVisible(_entryData->_type ==
+			     MacroActionProjector::Type::SOURCE);
+	setLayoutVisible(_monitorSelection, _entryData->_fullscreen);
+
+	adjustSize();
+	updateGeometry();
+}

src/macro-core/macro-action-projector.hpp

@@ -0,0 +1,73 @@
+#pragma once
+#include "macro-action-edit.hpp"
+#include "scene-selection.hpp"
+#include "source-selection.hpp"
+
+class MacroActionProjector : public MacroAction {
+public:
+	MacroActionProjector(Macro *m) : MacroAction(m) {}
+	bool PerformAction();
+	void LogAction() const;
+	bool Save(obs_data_t *obj) const;
+	bool Load(obs_data_t *obj);
+	std::string GetId() const { return id; };
+	static std::shared_ptr<MacroAction> Create(Macro *m)
+	{
+		return std::make_shared<MacroActionProjector>(m);
+	}
+
+	enum class Type {
+		SOURCE,
+		SCENE,
+		PREVIEW,
+		PROGRAM,
+		MULTIVIEW,
+	};
+
+	Type _type = Type::SCENE;
+	SourceSelection _source;
+	SceneSelection _scene;
+	int _monitor = 0;
+	bool _fullscreen = true;
+
+private:
+	static bool _registered;
+	static const std::string id;
+};
+
+class MacroActionProjectorEdit : public QWidget {
+	Q_OBJECT
+
+public:
+	MacroActionProjectorEdit(
+		QWidget *parent,
+		std::shared_ptr<MacroActionProjector> entryData = nullptr);
+	void UpdateEntryData();
+	static QWidget *Create(QWidget *parent,
+			       std::shared_ptr<MacroAction> action)
+	{
+		return new MacroActionProjectorEdit(
+			parent, std::dynamic_pointer_cast<MacroActionProjector>(
+					action));
+	}
+
+private slots:
+	void WindowTypeChanged(int value);
+	void TypeChanged(int value);
+	void SceneChanged(const SceneSelection &);
+	void SourceChanged(const SourceSelection &);
+	void MonitorChanged(int value);
+
+protected:
+	QComboBox *_windowTypes;
+	QComboBox *_types;
+	SceneSelectionWidget *_scenes;
+	SourceSelectionWidget *_sources;
+	QHBoxLayout *_monitorSelection;
+	QComboBox *_monitors;
+	std::shared_ptr<MacroActionProjector> _entryData;
+
+private:
+	void SetWidgetVisibility();
+	bool _loading = true;
+};

src/macro-core/macro-tab.cpp

@@ -335,7 +335,8 @@ void AdvSceneSwitcher::MacroSelectionChanged(const QItemSelection &,
 
 void AdvSceneSwitcher::HighlightOnChange()
 {
-	if (!switcher->macroProperties._highlightExecuted) {
+	if (!switcher->macroProperties._highlightActions &&
+	    !switcher->macroProperties._highlightExecuted) {
 		return;
 	}
 

src/macro-core/macro-tree.cpp

@@ -375,24 +375,24 @@ void MacroTreeModel::Add(std::shared_ptr<Macro> item)
 
 void MacroTreeModel::Remove(std::shared_ptr<Macro> item)
 {
-	auto startIdx = GetItemModelIndex(item);
+	auto uiStartIdx = GetItemModelIndex(item);
-	if (startIdx == -1) {
+	if (uiStartIdx == -1) {
 		return;
 	}
-	auto macroStartIdx = ModelIndexToMacroIndex(startIdx, _macros);
+	auto macroStartIdx = ModelIndexToMacroIndex(uiStartIdx, _macros);
 
-	auto endIdx = startIdx;
+	auto uiEndIdx = uiStartIdx;
 	auto macroEndIdx = macroStartIdx;
 
 	bool isGroup = item->IsGroup();
 	if (isGroup) {
 		macroEndIdx += item->GroupSize();
 		if (!item->IsCollapsed()) {
-			endIdx = item->GroupSize();
+			uiEndIdx += item->GroupSize();
 		}
 	}
 
-	beginRemoveRows(QModelIndex(), startIdx, endIdx);
+	beginRemoveRows(QModelIndex(), uiStartIdx, uiEndIdx);
 	_macros.erase(std::next(_macros.begin(), macroStartIdx),
 		      std::next(_macros.begin(), macroEndIdx + 1));
 	endRemoveRows();

src/macro-external/opencv/macro-condition-video.cpp

@@ -342,7 +342,7 @@ MacroConditionVideoEdit::MacroConditionVideoEdit(
 	  _throttleCount(new QSpinBox()),
 	  _showMatch(new QPushButton(obs_module_text(
 		  "AdvSceneSwitcher.condition.video.showMatch"))),
-	  _previewDialog(this, GetSwitcher()->interval)
+	  _previewDialog(this)
 {
 	_reduceLatency->setToolTip(obs_module_text(
 		"AdvSceneSwitcher.condition.video.reduceLatency.tooltip"));

src/macro-external/opencv/opencv-helpers.cpp

@@ -18,8 +18,8 @@ PatternImageData createPatternData(QImage &pattern)
 	return data;
 }
 
-void matchPattern(QImage &img, PatternImageData &patternData, double threshold,
+void matchPattern(QImage &img, const PatternImageData &patternData,
-		  cv::Mat &result, bool useAlphaAsMask)
+		  double threshold, cv::Mat &result, bool useAlphaAsMask)
 {
 	if (img.isNull() || patternData.rgbaPattern.empty()) {
 		return;

src/macro-external/opencv/opencv-helpers.hpp

@@ -14,8 +14,9 @@ struct PatternImageData {
 };
 
 PatternImageData createPatternData(QImage &pattern);
-void matchPattern(QImage &img, PatternImageData &patternData, double threshold,
+void matchPattern(QImage &img, const PatternImageData &patternData,
-		  cv::Mat &result, bool useAlphaAsMask = true);
+		  double threshold, cv::Mat &result,
+		  bool useAlphaAsMask = true);
 void matchPattern(QImage &img, QImage &pattern, double threshold,
 		  cv::Mat &result, bool useAlphaAsMask);
 std::vector<cv::Rect> matchObject(QImage &img, cv::CascadeClassifier &cascade,

src/macro-external/opencv/preview-dialog.cpp

@@ -5,12 +5,11 @@
 
 #include <screenshot-helper.hpp>
 
-PreviewDialog::PreviewDialog(QWidget *parent, int delay)
+PreviewDialog::PreviewDialog(QWidget *parent)
 	: QDialog(parent),
 	  _scrollArea(new QScrollArea),
 	  _imageLabel(new QLabel(this)),
-	  _rubberBand(new QRubberBand(QRubberBand::Rectangle, this)),
+	  _rubberBand(new QRubberBand(QRubberBand::Rectangle, this))
-	  _delay(delay)
 {
 	setWindowTitle("Advanced Scene Switcher");
 	setWindowFlags(windowFlags() | Qt::WindowMaximizeButtonHint |
@@ -39,22 +38,12 @@ PreviewDialog::PreviewDialog(QWidget *parent, int delay)
 	layout->addWidget(_statusLabel);
 	layout->addWidget(_scrollArea);
 	setLayout(layout);
-
-	// This is a workaround to handle random segfaults triggered when using:
-	// QMetaObject::invokeMethod(this, "RedrawImage", Qt::QueuedConnection,
-	//			     Q_ARG(QImage, image));
-	// from within CheckForMatchLoop().
-	// Even using BlockingQueuedConnection causes deadlocks
-	_timer.setInterval(300);
-	QWidget::connect(&_timer, &QTimer::timeout, this,
-			 &PreviewDialog::ResizeImageLabel);
-	_timer.start();
 }
 
 void PreviewDialog::mousePressEvent(QMouseEvent *event)
 {
 	_selectingArea = true;
-	if (_type == Type::SHOW_MATCH) {
+	if (_type == PreviewType::SHOW_MATCH) {
 		return;
 	}
 	_origin = event->pos();
@@ -64,7 +53,7 @@ void PreviewDialog::mousePressEvent(QMouseEvent *event)
 
 void PreviewDialog::mouseMoveEvent(QMouseEvent *event)
 {
-	if (_type == Type::SHOW_MATCH) {
+	if (_type == PreviewType::SHOW_MATCH) {
 		return;
 	}
 	_rubberBand->setGeometry(QRect(_origin, event->pos()).normalized());
@@ -72,7 +61,7 @@ void PreviewDialog::mouseMoveEvent(QMouseEvent *event)
 
 void PreviewDialog::mouseReleaseEvent(QMouseEvent *)
 {
-	if (_type == Type::SHOW_MATCH) {
+	if (_type == PreviewType::SHOW_MATCH) {
 		return;
 	}
 	auto selectionStart =
@@ -102,14 +91,14 @@ void PreviewDialog::ShowMatch()
 {
 	Start();
 	_rubberBand->hide();
-	_type = Type::SHOW_MATCH;
+	_type = PreviewType::SHOW_MATCH;
 }
 
 void PreviewDialog::SelectArea()
 {
 	_selectingArea = false;
 	Start();
-	_type = Type::SELECT_AREA;
+	_type = PreviewType::SELECT_AREA;
 	DrawFrame();
 	_statusLabel->setText(obs_module_text(
 		"AdvSceneSwitcher.condition.video.selectArea.status"));
@@ -117,11 +106,8 @@ void PreviewDialog::SelectArea()
 
 void PreviewDialog::Stop()
 {
-	_stop = true;
+	_thread.quit();
-	_cv.notify_all();
+	_thread.wait();
-	if (_thread.joinable()) {
-		_thread.join();
-	}
 }
 
 void PreviewDialog::closeEvent(QCloseEvent *event)
@@ -164,79 +150,66 @@ void PreviewDialog::ConditionChanged(int cond)
 	_condition = static_cast<VideoCondition>(cond);
 }
 
-void PreviewDialog::ResizeImageLabel()
+void PreviewDialog::UpdateStatus(const QString &status)
 {
+	_statusLabel->setText(status);
+}
+
+void PreviewDialog::UpdateImage(const QPixmap &image)
+{
+	_imageLabel->setPixmap(image);
 	_imageLabel->adjustSize();
-	if (_type == Type::SELECT_AREA && !_selectingArea) {
+	if (_type == PreviewType::SELECT_AREA && !_selectingArea) {
 		DrawFrame();
 	}
+	emit NeedImage(_video, _type, _patternMatchParams, _patternImageData,
+		       _objDetectParams, _areaParams, _condition);
 }
 
 void PreviewDialog::Start()
 {
-	if (_thread.joinable()) {
-		return;
-	}
 	if (!_video.ValidSelection()) {
 		DisplayMessage(obs_module_text(
 			"AdvSceneSwitcher.condition.video.screenshotFail"));
 		close();
 		return;
 	}
-	_stop = false;
-	_thread = std::thread(&PreviewDialog::CheckForMatchLoop, this);
-}
 
-void PreviewDialog::CheckForMatchLoop()
+	if (_thread.isRunning()) {
-{
+		return;
-	while (!_stop) {
-		std::unique_lock<std::mutex> lock(_mtx);
-		auto source = obs_weak_source_get_source(_video.GetVideo());
-		ScreenshotHelper screenshot(source);
-		obs_source_release(source);
-		_cv.wait_for(lock, std::chrono::milliseconds(_delay));
-		if (_stop || isHidden()) {
-			return;
-		}
-		if (!_video.ValidSelection()) {
-			_statusLabel->setText(obs_module_text(
-				"AdvSceneSwitcher.condition.video.screenshotFail"));
-			_imageLabel->setPixmap(QPixmap());
-			continue;
-		}
-		if (!screenshot.done) {
-			_statusLabel->setText(obs_module_text(
-				"AdvSceneSwitcher.condition.video.screenshotFail"));
-			_imageLabel->setPixmap(QPixmap());
-			if (_delay < 1000) {
-				_delay += 50;
-			}
-			continue;
-		}
-		if (screenshot.image.width() == 0 ||
-		    screenshot.image.height() == 0) {
-			_statusLabel->setText(obs_module_text(
-				"AdvSceneSwitcher.condition.video.screenshotEmpty"));
-			_imageLabel->setPixmap(QPixmap());
-			continue;
-		}
-
-		if (_type == Type::SHOW_MATCH) {
-			if (_areaParams.enable) {
-				screenshot.image = screenshot.image.copy(
-					_areaParams.area.x, _areaParams.area.y,
-					_areaParams.area.width,
-					_areaParams.area.height);
-			}
-			MarkMatch(screenshot.image);
-		} else {
-			_statusLabel->setText("");
-		}
-		_imageLabel->setPixmap(QPixmap::fromImage(screenshot.image));
 	}
+
+	PreviewImage *worker = new PreviewImage();
+	worker->moveToThread(&_thread);
+	connect(&_thread, &QThread::finished, worker, &QObject::deleteLater);
+	connect(worker, &PreviewImage::ImageReady, this,
+		&PreviewDialog::UpdateImage);
+	connect(worker, &PreviewImage::StatusUpdate, this,
+		&PreviewDialog::UpdateStatus);
+	connect(this, &PreviewDialog::NeedImage, worker,
+		&PreviewImage::CreateImage);
+	_thread.start();
+
+	emit NeedImage(_video, _type, _patternMatchParams, _patternImageData,
+		       _objDetectParams, _areaParams, _condition);
 }
 
-void markPatterns(cv::Mat &matchResult, QImage &image, cv::Mat &pattern)
+void PreviewDialog::DrawFrame()
+{
+	if (!_video.ValidSelection()) {
+		return;
+	}
+	auto imageStart =
+		_imageLabel->mapToGlobal(_imageLabel->rect().topLeft());
+	auto windowStart = mapToGlobal(rect().topLeft());
+	_rubberBand->resize(_areaParams.area.width, _areaParams.area.height);
+	_rubberBand->move(
+		_areaParams.area.x + (imageStart.x() - windowStart.x()),
+		_areaParams.area.y + (imageStart.y() - windowStart.y()));
+	_rubberBand->show();
+}
+
+void markPatterns(cv::Mat &matchResult, QImage &image, const cv::Mat &pattern)
 {
 	auto matchImg = QImageToMat(image);
 	for (int row = 0; row < matchResult.rows - 1; row++) {
@@ -262,50 +235,79 @@ void markObjects(QImage &image, std::vector<cv::Rect> &objects)
 	}
 }
 
-void PreviewDialog::MarkMatch(QImage &screenshot)
+void PreviewImage::CreateImage(const VideoInput &video, PreviewType type,
+			       const PatternMatchParameters &patternMatchParams,
+			       const PatternImageData &patternImageData,
+			       ObjDetectParamerts objDetectParams,
+			       const AreaParamters &areaParams,
+			       VideoCondition condition)
 {
-	if (_condition == VideoCondition::PATTERN) {
+	auto source = obs_weak_source_get_source(video.GetVideo());
+	ScreenshotHelper screenshot(source, true);
+	obs_source_release(source);
+
+	if (!video.ValidSelection() || !screenshot.done) {
+		emit StatusUpdate(obs_module_text(
+			"AdvSceneSwitcher.condition.video.screenshotFail"));
+		emit ImageReady(QPixmap());
+		return;
+	}
+
+	if (screenshot.image.width() == 0 || screenshot.image.height() == 0) {
+		emit StatusUpdate(obs_module_text(
+			"AdvSceneSwitcher.condition.video.screenshotEmpty"));
+		emit ImageReady(QPixmap());
+		return;
+	}
+
+	if (type == PreviewType::SHOW_MATCH) {
+		if (areaParams.enable) {
+			screenshot.image = screenshot.image.copy(
+				areaParams.area.x, areaParams.area.y,
+				areaParams.area.width, areaParams.area.height);
+		}
+		// Will emit status label update
+		MarkMatch(screenshot.image, patternMatchParams,
+			  patternImageData, objDetectParams, condition);
+	} else {
+		emit StatusUpdate("");
+	}
+	emit ImageReady(QPixmap::fromImage(screenshot.image));
+}
+
+void PreviewImage::MarkMatch(QImage &screenshot,
+			     const PatternMatchParameters &patternMatchParams,
+			     const PatternImageData &patternImageData,
+			     ObjDetectParamerts &objDetectParams,
+			     VideoCondition condition)
+{
+	if (condition == VideoCondition::PATTERN) {
 		cv::Mat result;
-		matchPattern(screenshot, _patternImageData,
+		matchPattern(screenshot, patternImageData,
-			     _patternMatchParams.threshold, result,
+			     patternMatchParams.threshold, result,
-			     _patternMatchParams.useAlphaAsMask);
+			     patternMatchParams.useAlphaAsMask);
 		if (countNonZero(result) == 0) {
-			_statusLabel->setText(obs_module_text(
+			emit StatusUpdate(obs_module_text(
 				"AdvSceneSwitcher.condition.video.patternMatchFail"));
 		} else {
-			_statusLabel->setText(obs_module_text(
+			emit StatusUpdate(obs_module_text(
 				"AdvSceneSwitcher.condition.video.patternMatchSuccess"));
 			markPatterns(result, screenshot,
-				     _patternImageData.rgbaPattern);
+				     patternImageData.rgbaPattern);
 		}
-	} else if (_condition == VideoCondition::OBJECT) {
+	} else if (condition == VideoCondition::OBJECT) {
-		auto objects = matchObject(screenshot, _objDetectParams.cascade,
+		auto objects = matchObject(screenshot, objDetectParams.cascade,
-					   _objDetectParams.scaleFactor,
+					   objDetectParams.scaleFactor,
-					   _objDetectParams.minNeighbors,
+					   objDetectParams.minNeighbors,
-					   _objDetectParams.minSize.CV(),
+					   objDetectParams.minSize.CV(),
-					   _objDetectParams.maxSize.CV());
+					   objDetectParams.maxSize.CV());
 		if (objects.empty()) {
-			_statusLabel->setText(obs_module_text(
+			emit StatusUpdate(obs_module_text(
 				"AdvSceneSwitcher.condition.video.objectMatchFail"));
 		} else {
-			_statusLabel->setText(obs_module_text(
+			emit StatusUpdate(obs_module_text(
 				"AdvSceneSwitcher.condition.video.objectMatchSuccess"));
 			markObjects(screenshot, objects);
 		}
 	}
 }
-
-void PreviewDialog::DrawFrame()
-{
-	if (!_video.ValidSelection()) {
-		return;
-	}
-	auto imageStart =
-		_imageLabel->mapToGlobal(_imageLabel->rect().topLeft());
-	auto windowStart = mapToGlobal(rect().topLeft());
-	_rubberBand->resize(_areaParams.area.width, _areaParams.area.height);
-	_rubberBand->move(
-		_areaParams.area.x + (imageStart.x() - windowStart.x()),
-		_areaParams.area.y + (imageStart.y() - windowStart.y()));
-	_rubberBand->show();
-}

src/macro-external/opencv/preview-dialog.hpp

@@ -4,21 +4,40 @@
 #include <QDialog>
 #include <QLabel>
 #include <QScrollArea>
-#include <QTimer>
+#include <QThread>
-
 #include <QMouseEvent>
 #include <QRubberBand>
 #include <QPoint>
-
-#include <thread>
 #include <mutex>
-#include <condition_variable>
+
+enum class PreviewType {
+	SHOW_MATCH,
+	SELECT_AREA,
+};
+
+class PreviewImage : public QObject {
+	Q_OBJECT
+
+public slots:
+	void CreateImage(const VideoInput &, PreviewType,
+			 const PatternMatchParameters &,
+			 const PatternImageData &, ObjDetectParamerts,
+			 const AreaParamters &, VideoCondition);
+signals:
+	void ImageReady(const QPixmap &);
+	void StatusUpdate(const QString &);
+
+private:
+	void MarkMatch(QImage &screenshot, const PatternMatchParameters &,
+		       const PatternImageData &, ObjDetectParamerts &,
+		       VideoCondition);
+};
 
 class PreviewDialog : public QDialog {
 	Q_OBJECT
 
 public:
-	PreviewDialog(QWidget *parent, int delay);
+	PreviewDialog(QWidget *parent);
 	virtual ~PreviewDialog();
 	void ShowMatch();
 	void SelectArea();
@@ -32,14 +51,17 @@ public slots:
 	void AreaParamtersChanged(const AreaParamters &);
 	void ConditionChanged(int cond);
 private slots:
-	void ResizeImageLabel();
+	void UpdateImage(const QPixmap &);
+	void UpdateStatus(const QString &);
 signals:
 	void SelectionAreaChanged(QRect area);
+	void NeedImage(const VideoInput &, PreviewType,
+		       const PatternMatchParameters &, const PatternImageData &,
+		       ObjDetectParamerts, const AreaParamters &,
+		       VideoCondition);
 
 private:
 	void Start();
-	void CheckForMatchLoop();
-	void MarkMatch(QImage &screenshot);
 	void DrawFrame();
 
 	void mousePressEvent(QMouseEvent *event);
@@ -56,21 +78,13 @@ private:
 	QScrollArea *_scrollArea;
 	QLabel *_statusLabel;
 	QLabel *_imageLabel;
-	QTimer _timer;
 
 	QPoint _origin;
 	QRubberBand *_rubberBand = nullptr;
 	std::atomic_bool _selectingArea = {false};
 
-	std::mutex _mtx;
+	PreviewType _type = PreviewType::SHOW_MATCH;
-	std::condition_variable _cv;
-	std::thread _thread;
-	std::atomic_bool _stop = {true};
 
-	enum class Type {
+	std::mutex _mtx;
-		SHOW_MATCH,
+	QThread _thread;
-		SELECT_AREA,
-	};
-	Type _type = Type::SHOW_MATCH;
-	int _delay = 300;
 };