Add macro action "virtual camera"

CMakeLists.txt

@@ -92,6 +92,7 @@ set(advanced-scene-switcher_HEADERS
 	src/headers/macro-action-scene-visibility.hpp
 	src/headers/macro-action-source.hpp
 	src/headers/macro-action-streaming.hpp
+	src/headers/macro-action-virtual-cam.hpp
 	src/headers/macro-action-wait.hpp
 	src/headers/macro-condition-edit.hpp
 	src/headers/macro-condition-audio.hpp
@@ -160,6 +161,7 @@ set(advanced-scene-switcher_SOURCES
 	src/macro-action-scene-visibility.cpp
 	src/macro-action-source.cpp
 	src/macro-action-streaming.cpp
+	src/macro-action-virtual-cam.cpp
 	src/macro-action-wait.cpp
 	src/macro-condition-edit.cpp
 	src/macro-condition-audio.cpp

data/locale/en-US.ini

@@ -206,6 +206,10 @@ AdvSceneSwitcher.action.macro.entry="{{actions}} {{macros}}"
 AdvSceneSwitcher.action.pluginState="Plugin state"
 AdvSceneSwitcher.action.pluginState.type.stop="Stop the Advanced Scene Switcher plugin"
 AdvSceneSwitcher.action.pluginState.entry="{{actions}}"
+AdvSceneSwitcher.action.virtualCamera="Virtual camera"
+AdvSceneSwitcher.action.virtualCamera.type.stop="Stop virtual camera"
+AdvSceneSwitcher.action.virtualCamera.type.start="Start virtual camera"
+AdvSceneSwitcher.action.virtualCamera.entry="{{actions}}"
 
 ; Transition Tab
 AdvSceneSwitcher.transitionTab.title="Transition"

src/headers/macro-action-virtual-cam.hpp

@@ -0,0 +1,55 @@
+#pragma once
+#include <QDoubleSpinBox>
+#include "macro-action-edit.hpp"
+
+enum class VCamAction {
+	STOP,
+	START,
+};
+
+class MacroActionVCam : public MacroAction {
+public:
+	bool PerformAction();
+	void LogAction();
+	bool Save(obs_data_t *obj);
+	bool Load(obs_data_t *obj);
+	std::string GetId() { return id; };
+	static std::shared_ptr<MacroAction> Create()
+	{
+		return std::make_shared<MacroActionVCam>();
+	}
+
+	VCamAction _action = VCamAction::STOP;
+
+private:
+	static bool _registered;
+	static const std::string id;
+};
+
+class MacroActionVCamEdit : public QWidget {
+	Q_OBJECT
+
+public:
+	MacroActionVCamEdit(
+		QWidget *parent,
+		std::shared_ptr<MacroActionVCam> entryData = nullptr);
+	void UpdateEntryData();
+	static QWidget *Create(QWidget *parent,
+			       std::shared_ptr<MacroAction> action)
+	{
+		return new MacroActionVCamEdit(
+			parent,
+			std::dynamic_pointer_cast<MacroActionVCam>(action));
+	}
+
+private slots:
+	void ActionChanged(int value);
+
+protected:
+	QComboBox *_actions;
+	std::shared_ptr<MacroActionVCam> _entryData;
+
+private:
+	QHBoxLayout *_mainLayout;
+	bool _loading = true;
+};

src/macro-action-virtual-cam.cpp

@@ -0,0 +1,109 @@
+#include "headers/macro-action-virtual-cam.hpp"
+#include "headers/advanced-scene-switcher.hpp"
+#include "headers/utility.hpp"
+
+const std::string MacroActionVCam::id = "virtual_cam";
+
+bool MacroActionVCam::_registered = MacroActionFactory::Register(
+	MacroActionVCam::id,
+	{MacroActionVCam::Create, MacroActionVCamEdit::Create,
+	 "AdvSceneSwitcher.action.virtualCamera"});
+
+const static std::map<VCamAction, std::string> actionTypes = {
+	{VCamAction::STOP, "AdvSceneSwitcher.action.virtualCamera.type.stop"},
+	{VCamAction::START, "AdvSceneSwitcher.action.virtualCamera.type.start"},
+};
+
+bool MacroActionVCam::PerformAction()
+{
+	switch (_action) {
+	case VCamAction::STOP:
+		if (obs_frontend_virtualcam_active()) {
+			obs_frontend_stop_virtualcam();
+		}
+		break;
+	case VCamAction::START:
+		if (!obs_frontend_virtualcam_active()) {
+			obs_frontend_start_virtualcam();
+		}
+		break;
+	default:
+		break;
+	}
+	return true;
+}
+
+void MacroActionVCam::LogAction()
+{
+	auto it = actionTypes.find(_action);
+	if (it != actionTypes.end()) {
+		vblog(LOG_INFO, "performed action \"%s\"", it->second.c_str());
+	} else {
+		blog(LOG_WARNING, "ignored unknown virtual camera action %d",
+		     static_cast<int>(_action));
+	}
+}
+
+bool MacroActionVCam::Save(obs_data_t *obj)
+{
+	MacroAction::Save(obj);
+	obs_data_set_int(obj, "action", static_cast<int>(_action));
+	return true;
+}
+
+bool MacroActionVCam::Load(obs_data_t *obj)
+{
+	MacroAction::Load(obj);
+	_action = static_cast<VCamAction>(obs_data_get_int(obj, "action"));
+	return true;
+}
+
+static inline void populateActionSelection(QComboBox *list)
+{
+	for (auto entry : actionTypes) {
+		list->addItem(obs_module_text(entry.second.c_str()));
+	}
+}
+
+MacroActionVCamEdit::MacroActionVCamEdit(
+	QWidget *parent, std::shared_ptr<MacroActionVCam> entryData)
+	: QWidget(parent)
+{
+	_actions = new QComboBox();
+
+	populateActionSelection(_actions);
+
+	QWidget::connect(_actions, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(ActionChanged(int)));
+
+	QHBoxLayout *mainLayout = new QHBoxLayout;
+	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
+		{"{{actions}}", _actions},
+	};
+	placeWidgets(
+		obs_module_text("AdvSceneSwitcher.action.virtualCamera.entry"),
+		mainLayout, widgetPlaceholders);
+	setLayout(mainLayout);
+
+	_entryData = entryData;
+	UpdateEntryData();
+	_loading = false;
+}
+
+void MacroActionVCamEdit::UpdateEntryData()
+{
+	if (!_entryData) {
+		return;
+	}
+	_actions->setCurrentIndex(static_cast<int>(_entryData->_action));
+}
+
+void MacroActionVCamEdit::ActionChanged(int value)
+{
+	if (_loading || !_entryData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	_entryData->_action = static_cast<VCamAction>(value);
+}