/******************************************************************************
    Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
                          Zachary Lund <admin@computerquip.com>
                          Philippe Groarke <philippe.groarke@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/

#include "OBSBasic.hpp"
#include "ui-config.h"
#include "ColorSelect.hpp"
#include "OBSBasicControls.hpp"
#include "OBSBasicStats.hpp"
#include "plugin-manager/PluginManager.hpp"
#include "VolControl.hpp"

#include <obs-module.h>

#ifdef YOUTUBE_ENABLED
#include <docks/YouTubeAppDock.hpp>
#endif
#include <dialogs/NameDialog.hpp>
#include <dialogs/OBSAbout.hpp>
#include <dialogs/OBSBasicAdvAudio.hpp>
#include <dialogs/OBSBasicFilters.hpp>
#include <dialogs/OBSBasicInteraction.hpp>
#include <dialogs/OBSBasicProperties.hpp>
#include <dialogs/OBSBasicTransform.hpp>
#include <models/SceneCollection.hpp>
#include <settings/OBSBasicSettings.hpp>
#include <utility/QuickTransition.hpp>
#include <utility/SceneRenameDelegate.hpp>
#if defined(_WIN32) || defined(WHATSNEW_ENABLED)
#include <utility/WhatsNewInfoThread.hpp>
#endif
#include <widgets/OBSProjector.hpp>

#include <OBSStudioAPI.hpp>
#ifdef BROWSER_AVAILABLE
#include <browser-panel.hpp>
#endif
#ifdef ENABLE_WAYLAND
#include <obs-nix-platform.h>
#endif
#include <qt-wrappers.hpp>

#include <QActionGroup>
#include <QThread>
#include <QWidgetAction>

#ifdef _WIN32
#include <sstream>
#endif
#include <string>
#include <unordered_set>

#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include "Windows.h"
#endif

#include "moc_OBSBasic.cpp"

using namespace std;

extern bool portable_mode;
extern bool disable_3p_plugins;
extern bool opt_studio_mode;
extern bool opt_always_on_top;
extern bool opt_minimize_tray;
extern std::string opt_starting_profile;
extern std::string opt_starting_collection;

extern bool safe_mode;
extern bool opt_start_recording;
extern bool opt_start_replaybuffer;
extern bool opt_start_virtualcam;

extern volatile long insideEventLoop;
extern bool restart;

extern bool EncoderAvailable(const char *encoder);

extern void RegisterTwitchAuth();
extern void RegisterRestreamAuth();
#ifdef YOUTUBE_ENABLED
extern void RegisterYoutubeAuth();
#endif

struct QCef;

extern QCef *cef;
extern bool cef_js_avail;

extern void DestroyPanelCookieManager();
extern void CheckExistingCookieId();

static void AddExtraModulePaths()
{
	string plugins_path, plugins_data_path;
	char *s;

	s = getenv("OBS_PLUGINS_PATH");
	if (s)
		plugins_path = s;

	s = getenv("OBS_PLUGINS_DATA_PATH");
	if (s)
		plugins_data_path = s;

	if (!plugins_path.empty() && !plugins_data_path.empty()) {
#if defined(__APPLE__)
		plugins_path += "/%module%.plugin/Contents/MacOS";
		plugins_data_path += "/%module%.plugin/Contents/Resources";
		obs_add_module_path(plugins_path.c_str(), plugins_data_path.c_str());
#else
		string data_path_with_module_suffix;
		data_path_with_module_suffix += plugins_data_path;
		data_path_with_module_suffix += "/%module%";
		obs_add_module_path(plugins_path.c_str(), data_path_with_module_suffix.c_str());
#endif
	}

	if (portable_mode)
		return;

	char base_module_dir[512];
#if defined(_WIN32)
	int ret = GetProgramDataPath(base_module_dir, sizeof(base_module_dir), "obs-studio/plugins/%module%");
#elif defined(__APPLE__)
	int ret = GetAppConfigPath(base_module_dir, sizeof(base_module_dir), "obs-studio/plugins/%module%.plugin");
#else
	int ret = GetAppConfigPath(base_module_dir, sizeof(base_module_dir), "obs-studio/plugins/%module%");
#endif

	if (ret <= 0)
		return;

	string path = base_module_dir;
#if defined(__APPLE__)
	/* User Application Support Search Path */
	obs_add_module_path((path + "/Contents/MacOS").c_str(), (path + "/Contents/Resources").c_str());

#ifndef __aarch64__
	/* Legacy System Library Search Path */
	char system_legacy_module_dir[PATH_MAX];
	GetProgramDataPath(system_legacy_module_dir, sizeof(system_legacy_module_dir), "obs-studio/plugins/%module%");
	std::string path_system_legacy = system_legacy_module_dir;
	obs_add_module_path((path_system_legacy + "/bin").c_str(), (path_system_legacy + "/data").c_str());

	/* Legacy User Application Support Search Path */
	char user_legacy_module_dir[PATH_MAX];
	GetAppConfigPath(user_legacy_module_dir, sizeof(user_legacy_module_dir), "obs-studio/plugins/%module%");
	std::string path_user_legacy = user_legacy_module_dir;
	obs_add_module_path((path_user_legacy + "/bin").c_str(), (path_user_legacy + "/data").c_str());
#endif
#else
#if ARCH_BITS == 64
	obs_add_module_path((path + "/bin/64bit").c_str(), (path + "/data").c_str());
#else
	obs_add_module_path((path + "/bin/32bit").c_str(), (path + "/data").c_str());
#endif
#endif
}

/* First-party modules considered to be potentially unsafe to load in Safe Mode
 * due to them allowing external code (e.g. scripts) to modify OBS's state. */
static const unordered_set<string> unsafe_modules = {
	"frontend-tools", // Scripting
	"obs-websocket",  // Allows outside modifications
};

static void SetSafeModuleNames()
{
#ifndef SAFE_MODULES
	return;
#else
	string module;
	stringstream modules_(SAFE_MODULES);

	while (getline(modules_, module, '|')) {
		/* When only disallowing third-party plugins, still add
		 * "unsafe" bundled modules to the safe list. */
		if (disable_3p_plugins || !unsafe_modules.count(module))
			obs_add_safe_module(module.c_str());
	}
#endif
}

static void SetCoreModuleNames()
{
#ifndef SAFE_MODULES
	throw "SAFE_MODULES not defined";
#else
	std::string safeModules = SAFE_MODULES;
	if (safeModules.empty()) {
		throw "SAFE_MODULES is empty";
	}
	string module;
	stringstream modules_(SAFE_MODULES);

	while (getline(modules_, module, '|')) {
		obs_add_core_module(module.c_str());
	}
#endif
}

extern void setupDockAction(QDockWidget *dock);

OBSBasic::OBSBasic(QWidget *parent) : OBSMainWindow(parent), undo_s(ui), ui(new Ui::OBSBasic)
{
	collections = {};

	setAttribute(Qt::WA_NativeWindow);

#ifdef TWITCH_ENABLED
	RegisterTwitchAuth();
#endif
#ifdef RESTREAM_ENABLED
	RegisterRestreamAuth();
#endif
#ifdef YOUTUBE_ENABLED
	RegisterYoutubeAuth();
#endif

	setAcceptDrops(true);

	setContextMenuPolicy(Qt::CustomContextMenu);

	QEvent::registerEventType(QEvent::User + QEvent::Close);

	api = InitializeAPIInterface(this);

	ui->setupUi(this);
	ui->previewDisabledWidget->setVisible(false);

	/* Set up streaming connections */
	connect(
		this, &OBSBasic::StreamingStarting, this, [this] { this->streamingStarting = true; },
		Qt::DirectConnection);
	connect(
		this, &OBSBasic::StreamingStarted, this, [this] { this->streamingStarting = false; },
		Qt::DirectConnection);
	connect(
		this, &OBSBasic::StreamingStopped, this, [this] { this->streamingStarting = false; },
		Qt::DirectConnection);

	/* Set up recording connections */
	connect(
		this, &OBSBasic::RecordingStarted, this,
		[this]() {
			this->recordingStarted = true;
			this->recordingPaused = false;
		},
		Qt::DirectConnection);
	connect(
		this, &OBSBasic::RecordingPaused, this, [this]() { this->recordingPaused = true; },
		Qt::DirectConnection);
	connect(
		this, &OBSBasic::RecordingUnpaused, this, [this]() { this->recordingPaused = false; },
		Qt::DirectConnection);
	connect(
		this, &OBSBasic::RecordingStopped, this,
		[this]() {
			this->recordingStarted = false;
			this->recordingPaused = false;
		},
		Qt::DirectConnection);

	/* Add controls dock */
	OBSBasicControls *controls = new OBSBasicControls(this);
	controlsDock = new OBSDock(this);
	controlsDock->setObjectName(QString::fromUtf8("controlsDock"));
	controlsDock->setWindowTitle(QTStr("Basic.Main.Controls"));
	/* Parenting is done there so controls will be deleted alongside controlsDock */
	controlsDock->setWidget(controls);
	addDockWidget(Qt::BottomDockWidgetArea, controlsDock);

	connect(controls, &OBSBasicControls::StreamButtonClicked, this, &OBSBasic::StreamActionTriggered);

	connect(controls, &OBSBasicControls::StartStreamMenuActionClicked, this, &OBSBasic::StartStreaming);
	connect(controls, &OBSBasicControls::StopStreamMenuActionClicked, this, &OBSBasic::StopStreaming);
	connect(controls, &OBSBasicControls::ForceStopStreamMenuActionClicked, this, &OBSBasic::ForceStopStreaming);

	connect(controls, &OBSBasicControls::BroadcastButtonClicked, this, &OBSBasic::BroadcastButtonClicked);

	connect(controls, &OBSBasicControls::RecordButtonClicked, this, &OBSBasic::RecordActionTriggered);
	connect(controls, &OBSBasicControls::PauseRecordButtonClicked, this, &OBSBasic::RecordPauseToggled);

	connect(controls, &OBSBasicControls::ReplayBufferButtonClicked, this, &OBSBasic::ReplayBufferActionTriggered);
	connect(controls, &OBSBasicControls::SaveReplayBufferButtonClicked, this, &OBSBasic::ReplayBufferSave);

	connect(controls, &OBSBasicControls::VirtualCamButtonClicked, this, &OBSBasic::VirtualCamActionTriggered);
	connect(controls, &OBSBasicControls::VirtualCamConfigButtonClicked, this, &OBSBasic::OpenVirtualCamConfig);

	connect(controls, &OBSBasicControls::StudioModeButtonClicked, this, &OBSBasic::TogglePreviewProgramMode);

	connect(controls, &OBSBasicControls::SettingsButtonClicked, this, &OBSBasic::on_action_Settings_triggered);

	/* Set up transitions combobox connections */
	connect(this, &OBSBasic::TransitionAdded, this, [this](const QString &name, const QString &uuid) {
		QSignalBlocker sb(ui->transitions);
		ui->transitions->addItem(name, uuid);
	});
	connect(this, &OBSBasic::TransitionRenamed, this, [this](const QString &uuid, const QString &newName) {
		QSignalBlocker sb(ui->transitions);
		ui->transitions->setItemText(ui->transitions->findData(uuid), newName);
	});
	connect(this, &OBSBasic::TransitionRemoved, this, [this](const QString &uuid) {
		QSignalBlocker sb(ui->transitions);
		ui->transitions->removeItem(ui->transitions->findData(uuid));
	});
	connect(this, &OBSBasic::TransitionsCleared, this, [this]() {
		QSignalBlocker sb(ui->transitions);
		ui->transitions->clear();
	});

	connect(this, &OBSBasic::CurrentTransitionChanged, this, [this](const QString &uuid) {
		QSignalBlocker sb(ui->transitions);
		ui->transitions->setCurrentIndex(ui->transitions->findData(uuid));
	});

	connect(ui->transitions, &QComboBox::currentIndexChanged, this,
		[this]() { SetCurrentTransition(ui->transitions->currentData().toString()); });

	connect(this, &OBSBasic::TransitionDurationChanged, this, [this](int duration) {
		QSignalBlocker sb(ui->transitionDuration);
		ui->transitionDuration->setValue(duration);
	});

	connect(ui->transitionDuration, &QSpinBox::valueChanged, this,
		[this](int value) { SetTransitionDuration(value); });

	startingDockLayout = saveState();

	statsDock = new OBSDock();
	statsDock->setObjectName(QStringLiteral("statsDock"));
	statsDock->setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable |
			       QDockWidget::DockWidgetFloatable);
	statsDock->setWindowTitle(QTStr("Basic.Stats"));
	addDockWidget(Qt::BottomDockWidgetArea, statsDock);
	statsDock->setVisible(false);
	statsDock->setFloating(true);
	statsDock->resize(700, 200);

	copyActionsDynamicProperties();

	qRegisterMetaType<int64_t>("int64_t");
	qRegisterMetaType<uint32_t>("uint32_t");
	qRegisterMetaType<OBSScene>("OBSScene");
	qRegisterMetaType<OBSSceneItem>("OBSSceneItem");
	qRegisterMetaType<OBSSource>("OBSSource");
	qRegisterMetaType<obs_hotkey_id>("obs_hotkey_id");
	qRegisterMetaType<SavedProjectorInfo *>("SavedProjectorInfo *");

	ui->scenes->setAttribute(Qt::WA_MacShowFocusRect, false);
	ui->sources->setAttribute(Qt::WA_MacShowFocusRect, false);

	bool sceneGrid = config_get_bool(App()->GetUserConfig(), "BasicWindow", "gridMode");
	ui->scenes->SetGridMode(sceneGrid);

	if (sceneGrid)
		ui->actionSceneGridMode->setChecked(true);
	else
		ui->actionSceneListMode->setChecked(true);

	ui->scenes->setItemDelegate(new SceneRenameDelegate(ui->scenes));

	auto displayResize = [this]() {
		struct obs_video_info ovi;

		if (obs_get_video_info(&ovi))
			ResizePreview(ovi.base_width, ovi.base_height);

		UpdateContextBarVisibility();
		UpdatePreviewControls();
		dpi = devicePixelRatioF();
	};
	dpi = devicePixelRatioF();

	connect(windowHandle(), &QWindow::screenChanged, displayResize);
	connect(ui->preview, &OBSQTDisplay::DisplayResized, displayResize);

	/* TODO: Move these into window-basic-preview */
	/* Preview Scaling label */
	connect(ui->preview, &OBSBasicPreview::scalingChanged, ui->previewScalePercent,
		&OBSPreviewScalingLabel::PreviewScaleChanged);

	/* Preview Scaling dropdown */
	connect(ui->preview, &OBSBasicPreview::scalingChanged, ui->previewScalingMode,
		&OBSPreviewScalingComboBox::PreviewScaleChanged);

	connect(ui->preview, &OBSBasicPreview::fixedScalingChanged, ui->previewScalingMode,
		&OBSPreviewScalingComboBox::PreviewFixedScalingChanged);

	connect(ui->previewScalingMode, &OBSPreviewScalingComboBox::currentIndexChanged, this,
		&OBSBasic::PreviewScalingModeChanged);

	/* Preview Controls */
	connect(ui->previewXScrollBar, &QScrollBar::sliderMoved, ui->preview, &OBSBasicPreview::xScrollBarChanged);
	connect(ui->previewYScrollBar, &QScrollBar::valueChanged, ui->preview, &OBSBasicPreview::yScrollBarChanged);

	connect(ui->previewZoomInButton, &QPushButton::clicked, ui->preview, &OBSBasicPreview::increaseScalingLevel);
	connect(ui->previewZoomOutButton, &QPushButton::clicked, ui->preview, &OBSBasicPreview::decreaseScalingLevel);

	/* Preview Actions */
	connect(ui->actionScaleWindow, &QAction::triggered, this, &OBSBasic::setPreviewScalingWindow);
	connect(ui->actionScaleCanvas, &QAction::triggered, this, &OBSBasic::setPreviewScalingCanvas);
	connect(ui->actionScaleOutput, &QAction::triggered, this, &OBSBasic::setPreviewScalingOutput);

	connect(ui->actionPreviewZoomIn, &QAction::triggered, ui->preview, &OBSBasicPreview::increaseScalingLevel);
	connect(ui->actionPreviewZoomOut, &QAction::triggered, ui->preview, &OBSBasicPreview::decreaseScalingLevel);
	connect(ui->actionPreviewResetZoom, &QAction::triggered, ui->preview, &OBSBasicPreview::resetScalingLevel);

	connect(this, &OBSBasic::CanvasResized, ui->previewScalingMode, &OBSPreviewScalingComboBox::CanvasResized);
	connect(this, &OBSBasic::OutputResized, ui->previewScalingMode, &OBSPreviewScalingComboBox::OutputResized);

	delete shortcutFilter;
	shortcutFilter = CreateShortcutFilter();
	installEventFilter(shortcutFilter);

	stringstream name;
	name << "OBS " << App()->GetVersionString();
	blog(LOG_INFO, "%s", name.str().c_str());
	blog(LOG_INFO, "---------------------------------");

	UpdateTitleBar();

	connect(ui->scenes->itemDelegate(), &QAbstractItemDelegate::closeEditor, this, &OBSBasic::SceneNameEdited);

	cpuUsageInfo = os_cpu_usage_info_start();
	cpuUsageTimer = new QTimer(this);
	connect(cpuUsageTimer.data(), &QTimer::timeout, ui->statusbar, &OBSBasicStatusBar::UpdateCPUUsage);
	cpuUsageTimer->start(3000);

	diskFullTimer = new QTimer(this);
	connect(diskFullTimer, &QTimer::timeout, this, &OBSBasic::CheckDiskSpaceRemaining);

	renameScene = new QAction(QTStr("Rename"), ui->scenesDock);
	renameScene->setShortcutContext(Qt::WidgetWithChildrenShortcut);
	connect(renameScene, &QAction::triggered, this, &OBSBasic::EditSceneName);
	ui->scenesDock->addAction(renameScene);

	renameSource = new QAction(QTStr("Rename"), ui->sourcesDock);
	renameSource->setShortcutContext(Qt::WidgetWithChildrenShortcut);
	connect(renameSource, &QAction::triggered, this, &OBSBasic::EditSceneItemName);
	ui->sourcesDock->addAction(renameSource);

#ifdef __APPLE__
	renameScene->setShortcut({Qt::Key_Return});
	renameSource->setShortcut({Qt::Key_Return});

	ui->actionRemoveSource->setShortcuts({Qt::Key_Backspace});
	ui->actionRemoveScene->setShortcuts({Qt::Key_Backspace});

	ui->actionCheckForUpdates->setMenuRole(QAction::AboutQtRole);
	ui->action_Settings->setMenuRole(QAction::PreferencesRole);
	ui->actionShowMacPermissions->setMenuRole(QAction::ApplicationSpecificRole);
	ui->actionE_xit->setMenuRole(QAction::QuitRole);
#else
	renameScene->setShortcut({Qt::Key_F2});
	renameSource->setShortcut({Qt::Key_F2});
#endif

#ifdef __linux__
	ui->actionE_xit->setShortcut(Qt::CTRL | Qt::Key_Q);
#endif

#ifndef ENABLE_IDIAN_PLAYGROUND
	ui->idianPlayground->setVisible(false);
#endif

	auto addNudge = [this](const QKeySequence &seq, MoveDir direction, int distance) {
		QAction *nudge = new QAction(ui->preview);
		nudge->setShortcut(seq);
		nudge->setShortcutContext(Qt::WidgetShortcut);
		ui->preview->addAction(nudge);
		connect(nudge, &QAction::triggered, [this, distance, direction]() { Nudge(distance, direction); });
	};

	addNudge(Qt::Key_Up, MoveDir::Up, 1);
	addNudge(Qt::Key_Down, MoveDir::Down, 1);
	addNudge(Qt::Key_Left, MoveDir::Left, 1);
	addNudge(Qt::Key_Right, MoveDir::Right, 1);
	addNudge(Qt::SHIFT | Qt::Key_Up, MoveDir::Up, 10);
	addNudge(Qt::SHIFT | Qt::Key_Down, MoveDir::Down, 10);
	addNudge(Qt::SHIFT | Qt::Key_Left, MoveDir::Left, 10);
	addNudge(Qt::SHIFT | Qt::Key_Right, MoveDir::Right, 10);

	/* Setup dock toggle action
	 * And hide all docks before restoring parent geometry */
#define SETUP_DOCK(dock)                                    \
	setupDockAction(dock);                              \
	ui->menuDocks->addAction(dock->toggleViewAction()); \
	dock->setVisible(false);

	SETUP_DOCK(ui->scenesDock);
	SETUP_DOCK(ui->sourcesDock);
	SETUP_DOCK(ui->mixerDock);
	SETUP_DOCK(ui->transitionsDock);
	SETUP_DOCK(controlsDock);
	SETUP_DOCK(statsDock);
#undef SETUP_DOCK

	// Register shortcuts for Undo/Redo
	ui->actionMainUndo->setShortcut(Qt::CTRL | Qt::Key_Z);
	QList<QKeySequence> shrt;
	shrt << QKeySequence((Qt::CTRL | Qt::SHIFT) | Qt::Key_Z) << QKeySequence(Qt::CTRL | Qt::Key_Y);
	ui->actionMainRedo->setShortcuts(shrt);

	ui->actionMainUndo->setShortcutContext(Qt::ApplicationShortcut);
	ui->actionMainRedo->setShortcutContext(Qt::ApplicationShortcut);

	QPoint curPos;

	//restore parent window geometry
	const char *geometry = config_get_string(App()->GetUserConfig(), "BasicWindow", "geometry");
	if (geometry != NULL) {
		QByteArray byteArray = QByteArray::fromBase64(QByteArray(geometry));
		restoreGeometry(byteArray);

		QRect windowGeometry = normalGeometry();
		if (!WindowPositionValid(windowGeometry)) {
			QRect rect = QGuiApplication::primaryScreen()->geometry();
			setGeometry(QStyle::alignedRect(Qt::LeftToRight, Qt::AlignCenter, size(), rect));
		}

		curPos = pos();
	} else {
		QRect desktopRect = QGuiApplication::primaryScreen()->geometry();
		QSize adjSize = desktopRect.size() / 2 - size() / 2;
		curPos = QPoint(adjSize.width(), adjSize.height());
	}

	QPoint curSize(width(), height());

	QPoint statsDockSize(statsDock->width(), statsDock->height());
	QPoint statsDockPos = curSize / 2 - statsDockSize / 2;
	QPoint newPos = curPos + statsDockPos;
	statsDock->move(newPos);

	ui->actionReleaseNotes->setVisible(true);

	ui->previewDisabledWidget->setContextMenuPolicy(Qt::CustomContextMenu);
	connect(ui->enablePreviewButton, &QPushButton::clicked, this, &OBSBasic::TogglePreview);

	connect(ui->scenes, &SceneTree::scenesReordered, []() { OBSProjector::UpdateMultiviewProjectors(); });

	connect(App(), &OBSApp::StyleChanged, this, [this]() { OnEvent(OBS_FRONTEND_EVENT_THEME_CHANGED); });

	QActionGroup *actionGroup = new QActionGroup(this);
	actionGroup->addAction(ui->actionSceneListMode);
	actionGroup->addAction(ui->actionSceneGridMode);

	UpdatePreviewSafeAreas();
	UpdatePreviewSpacingHelpers();
	UpdatePreviewOverflowSettings();
}

static const double scaled_vals[] = {1.0, 1.25, (1.0 / 0.75), 1.5, (1.0 / 0.6), 1.75, 2.0, 2.25, 2.5, 2.75, 3.0, 0.0};

#ifdef __APPLE__ // macOS
#define DEFAULT_CONTAINER "hybrid_mov"
#else // Windows/Linux
#define DEFAULT_CONTAINER "hybrid_mp4"
#endif

bool OBSBasic::InitBasicConfigDefaults()
{
	QList<QScreen *> screens = QGuiApplication::screens();

	if (!screens.size()) {
		OBSErrorBox(NULL, "There appears to be no monitors.  Er, this "
				  "technically shouldn't be possible.");
		return false;
	}

	QScreen *primaryScreen = QGuiApplication::primaryScreen();

	uint32_t cx = primaryScreen->size().width();
	uint32_t cy = primaryScreen->size().height();

	cx *= devicePixelRatioF();
	cy *= devicePixelRatioF();

	bool oldResolutionDefaults = config_get_bool(App()->GetUserConfig(), "General", "Pre19Defaults");

	/* use 1920x1080 for new default base res if main monitor is above
	 * 1920x1080, but don't apply for people from older builds -- only to
	 * new users */
	if (!oldResolutionDefaults && (cx * cy) > (1920 * 1080)) {
		cx = 1920;
		cy = 1080;
	}

	bool changed = false;

	/* ----------------------------------------------------- */
	/* move over old FFmpeg track settings                   */
	if (config_has_user_value(activeConfiguration, "AdvOut", "FFAudioTrack") &&
	    !config_has_user_value(activeConfiguration, "AdvOut", "Pre22.1Settings")) {

		int track = (int)config_get_int(activeConfiguration, "AdvOut", "FFAudioTrack");
		config_set_int(activeConfiguration, "AdvOut", "FFAudioMixes", 1LL << (track - 1));
		config_set_bool(activeConfiguration, "AdvOut", "Pre22.1Settings", true);
		changed = true;
	}

	/* ----------------------------------------------------- */
	/* move over mixer values in advanced if older config */
	if (config_has_user_value(activeConfiguration, "AdvOut", "RecTrackIndex") &&
	    !config_has_user_value(activeConfiguration, "AdvOut", "RecTracks")) {

		uint64_t track = config_get_uint(activeConfiguration, "AdvOut", "RecTrackIndex");
		track = 1ULL << (track - 1);
		config_set_uint(activeConfiguration, "AdvOut", "RecTracks", track);
		config_remove_value(activeConfiguration, "AdvOut", "RecTrackIndex");
		changed = true;
	}

	/* ----------------------------------------------------- */
	/* set twitch chat extensions to "both" if prev version  */
	/* is under 24.1                                         */
	if (config_get_bool(App()->GetUserConfig(), "General", "Pre24.1Defaults") &&
	    !config_has_user_value(activeConfiguration, "Twitch", "AddonChoice")) {
		config_set_int(activeConfiguration, "Twitch", "AddonChoice", 3);
		changed = true;
	}

	/* ----------------------------------------------------- */
	/* move bitrate enforcement setting to new value         */
	if (config_has_user_value(activeConfiguration, "SimpleOutput", "EnforceBitrate") &&
	    !config_has_user_value(activeConfiguration, "Stream1", "IgnoreRecommended") &&
	    !config_has_user_value(activeConfiguration, "Stream1", "MovedOldEnforce")) {
		bool enforce = config_get_bool(activeConfiguration, "SimpleOutput", "EnforceBitrate");
		config_set_bool(activeConfiguration, "Stream1", "IgnoreRecommended", !enforce);
		config_set_bool(activeConfiguration, "Stream1", "MovedOldEnforce", true);
		changed = true;
	}

	/* ----------------------------------------------------- */
	/* enforce minimum retry delay of 1 second prior to 27.1 */
	if (config_has_user_value(activeConfiguration, "Output", "RetryDelay")) {
		int retryDelay = config_get_uint(activeConfiguration, "Output", "RetryDelay");
		if (retryDelay < 1) {
			config_set_uint(activeConfiguration, "Output", "RetryDelay", 1);
			changed = true;
		}
	}

	/* ----------------------------------------------------- */
	/* Migrate old container selection (if any) to new key.  */

	auto MigrateFormat = [&](const char *section) {
		bool has_old_key = config_has_user_value(activeConfiguration, section, "RecFormat");
		bool has_new_key = config_has_user_value(activeConfiguration, section, "RecFormat2");
		if (!has_new_key && !has_old_key)
			return;

		string old_format =
			config_get_string(activeConfiguration, section, has_new_key ? "RecFormat2" : "RecFormat");
		string new_format = old_format;
		if (old_format == "ts")
			new_format = "mpegts";
		else if (old_format == "m3u8")
			new_format = "hls";
		else if (old_format == "fmp4")
			new_format = "fragmented_mp4";
		else if (old_format == "fmov")
			new_format = "fragmented_mov";

		if (new_format != old_format || !has_new_key) {
			config_set_string(activeConfiguration, section, "RecFormat2", new_format.c_str());
			changed = true;
		}
	};

	MigrateFormat("AdvOut");
	MigrateFormat("SimpleOutput");

	/* ----------------------------------------------------- */
	/* Migrate output scale setting to GPU scaling options.  */

	if (config_get_bool(activeConfiguration, "AdvOut", "Rescale") &&
	    !config_has_user_value(activeConfiguration, "AdvOut", "RescaleFilter")) {
		config_set_int(activeConfiguration, "AdvOut", "RescaleFilter", OBS_SCALE_BILINEAR);
	}

	if (config_get_bool(activeConfiguration, "AdvOut", "RecRescale") &&
	    !config_has_user_value(activeConfiguration, "AdvOut", "RecRescaleFilter")) {
		config_set_int(activeConfiguration, "AdvOut", "RecRescaleFilter", OBS_SCALE_BILINEAR);
	}

	/* ----------------------------------------------------- */

	if (changed) {
		activeConfiguration.SaveSafe("tmp");
	}

	/* ----------------------------------------------------- */

	config_set_default_string(activeConfiguration, "Output", "Mode", "Simple");

	config_set_default_bool(activeConfiguration, "Stream1", "IgnoreRecommended", false);
	config_set_default_bool(activeConfiguration, "Stream1", "EnableMultitrackVideo", false);
	config_set_default_bool(activeConfiguration, "Stream1", "MultitrackVideoMaximumAggregateBitrateAuto", true);
	config_set_default_bool(activeConfiguration, "Stream1", "MultitrackVideoMaximumVideoTracksAuto", true);

	config_set_default_string(activeConfiguration, "SimpleOutput", "FilePath", GetDefaultVideoSavePath().c_str());
	config_set_default_string(activeConfiguration, "SimpleOutput", "RecFormat2", DEFAULT_CONTAINER);
	config_set_default_uint(activeConfiguration, "SimpleOutput", "VBitrate", 6000);
	config_set_default_uint(activeConfiguration, "SimpleOutput", "ABitrate", 160);
	config_set_default_bool(activeConfiguration, "SimpleOutput", "UseAdvanced", false);
	config_set_default_string(activeConfiguration, "SimpleOutput", "Preset", "veryfast");
	config_set_default_string(activeConfiguration, "SimpleOutput", "NVENCPreset2", "p5");
	config_set_default_string(activeConfiguration, "SimpleOutput", "RecQuality", "Stream");
	config_set_default_bool(activeConfiguration, "SimpleOutput", "RecRB", false);
	config_set_default_int(activeConfiguration, "SimpleOutput", "RecRBTime", 20);
	config_set_default_int(activeConfiguration, "SimpleOutput", "RecRBSize", 512);
	config_set_default_string(activeConfiguration, "SimpleOutput", "RecRBPrefix", "Replay");
	config_set_default_string(activeConfiguration, "SimpleOutput", "StreamAudioEncoder", "aac");
	config_set_default_string(activeConfiguration, "SimpleOutput", "RecAudioEncoder", "aac");
	config_set_default_uint(activeConfiguration, "SimpleOutput", "RecTracks", (1 << 0));

	config_set_default_bool(activeConfiguration, "AdvOut", "ApplyServiceSettings", true);
	config_set_default_bool(activeConfiguration, "AdvOut", "UseRescale", false);
	config_set_default_uint(activeConfiguration, "AdvOut", "TrackIndex", 1);
	config_set_default_uint(activeConfiguration, "AdvOut", "VodTrackIndex", 2);
	config_set_default_string(activeConfiguration, "AdvOut", "Encoder", "obs_x264");

	config_set_default_string(activeConfiguration, "AdvOut", "RecType", "Standard");

	config_set_default_string(activeConfiguration, "AdvOut", "RecFilePath", GetDefaultVideoSavePath().c_str());
	config_set_default_string(activeConfiguration, "AdvOut", "RecFormat2", DEFAULT_CONTAINER);
	config_set_default_bool(activeConfiguration, "AdvOut", "RecUseRescale", false);
	config_set_default_uint(activeConfiguration, "AdvOut", "RecTracks", (1 << 0));
	config_set_default_string(activeConfiguration, "AdvOut", "RecEncoder", "none");
	config_set_default_uint(activeConfiguration, "AdvOut", "FLVTrack", 1);
	config_set_default_uint(activeConfiguration, "AdvOut", "StreamMultiTrackAudioMixes", 1);
	config_set_default_bool(activeConfiguration, "AdvOut", "FFOutputToFile", true);
	config_set_default_string(activeConfiguration, "AdvOut", "FFFilePath", GetDefaultVideoSavePath().c_str());
	config_set_default_string(activeConfiguration, "AdvOut", "FFExtension", "mp4");
	config_set_default_uint(activeConfiguration, "AdvOut", "FFVBitrate", 6000);
	config_set_default_uint(activeConfiguration, "AdvOut", "FFVGOPSize", 250);
	config_set_default_bool(activeConfiguration, "AdvOut", "FFUseRescale", false);
	config_set_default_bool(activeConfiguration, "AdvOut", "FFIgnoreCompat", false);
	config_set_default_uint(activeConfiguration, "AdvOut", "FFABitrate", 160);
	config_set_default_uint(activeConfiguration, "AdvOut", "FFAudioMixes", 1);

	config_set_default_uint(activeConfiguration, "AdvOut", "Track1Bitrate", 160);
	config_set_default_uint(activeConfiguration, "AdvOut", "Track2Bitrate", 160);
	config_set_default_uint(activeConfiguration, "AdvOut", "Track3Bitrate", 160);
	config_set_default_uint(activeConfiguration, "AdvOut", "Track4Bitrate", 160);
	config_set_default_uint(activeConfiguration, "AdvOut", "Track5Bitrate", 160);
	config_set_default_uint(activeConfiguration, "AdvOut", "Track6Bitrate", 160);

	config_set_default_uint(activeConfiguration, "AdvOut", "RecSplitFileTime", 15);
	config_set_default_uint(activeConfiguration, "AdvOut", "RecSplitFileSize", 2048);

	config_set_default_bool(activeConfiguration, "AdvOut", "RecRB", false);
	config_set_default_uint(activeConfiguration, "AdvOut", "RecRBTime", 20);
	config_set_default_int(activeConfiguration, "AdvOut", "RecRBSize", 512);

	config_set_default_uint(activeConfiguration, "Video", "BaseCX", cx);
	config_set_default_uint(activeConfiguration, "Video", "BaseCY", cy);

	/* don't allow BaseCX/BaseCY to be susceptible to defaults changing */
	if (!config_has_user_value(activeConfiguration, "Video", "BaseCX") ||
	    !config_has_user_value(activeConfiguration, "Video", "BaseCY")) {
		config_set_uint(activeConfiguration, "Video", "BaseCX", cx);
		config_set_uint(activeConfiguration, "Video", "BaseCY", cy);
		config_save_safe(activeConfiguration, "tmp", nullptr);
	}

	config_set_default_string(activeConfiguration, "Output", "FilenameFormatting", "%CCYY-%MM-%DD %hh-%mm-%ss");

	config_set_default_bool(activeConfiguration, "Output", "DelayEnable", false);
	config_set_default_uint(activeConfiguration, "Output", "DelaySec", 20);
	config_set_default_bool(activeConfiguration, "Output", "DelayPreserve", true);

	config_set_default_bool(activeConfiguration, "Output", "Reconnect", true);
	config_set_default_uint(activeConfiguration, "Output", "RetryDelay", 2);
	config_set_default_uint(activeConfiguration, "Output", "MaxRetries", 25);

	config_set_default_string(activeConfiguration, "Output", "BindIP", "default");
	config_set_default_string(activeConfiguration, "Output", "IPFamily", "IPv4+IPv6");
	config_set_default_bool(activeConfiguration, "Output", "NewSocketLoopEnable", false);
	config_set_default_bool(activeConfiguration, "Output", "LowLatencyEnable", false);

	int i = 0;
	uint32_t scale_cx = cx;
	uint32_t scale_cy = cy;

	/* use a default scaled resolution that has a pixel count no higher
	 * than 1280x720 */
	while (((scale_cx * scale_cy) > (1280 * 720)) && scaled_vals[i] > 0.0) {
		double scale = scaled_vals[i++];
		scale_cx = uint32_t(double(cx) / scale);
		scale_cy = uint32_t(double(cy) / scale);
	}

	config_set_default_uint(activeConfiguration, "Video", "OutputCX", scale_cx);
	config_set_default_uint(activeConfiguration, "Video", "OutputCY", scale_cy);

	/* don't allow OutputCX/OutputCY to be susceptible to defaults
	 * changing */
	if (!config_has_user_value(activeConfiguration, "Video", "OutputCX") ||
	    !config_has_user_value(activeConfiguration, "Video", "OutputCY")) {
		config_set_uint(activeConfiguration, "Video", "OutputCX", scale_cx);
		config_set_uint(activeConfiguration, "Video", "OutputCY", scale_cy);
		config_save_safe(activeConfiguration, "tmp", nullptr);
	}

	config_set_default_uint(activeConfiguration, "Video", "FPSType", 0);
	config_set_default_string(activeConfiguration, "Video", "FPSCommon", "30");
	config_set_default_uint(activeConfiguration, "Video", "FPSInt", 30);
	config_set_default_uint(activeConfiguration, "Video", "FPSNum", 30);
	config_set_default_uint(activeConfiguration, "Video", "FPSDen", 1);
	config_set_default_string(activeConfiguration, "Video", "ScaleType", "bicubic");
	config_set_default_string(activeConfiguration, "Video", "ColorFormat", "NV12");
	config_set_default_string(activeConfiguration, "Video", "ColorSpace", "709");
	config_set_default_string(activeConfiguration, "Video", "ColorRange", "Partial");
	config_set_default_uint(activeConfiguration, "Video", "SdrWhiteLevel", 300);
	config_set_default_uint(activeConfiguration, "Video", "HdrNominalPeakLevel", 1000);

	config_set_default_string(activeConfiguration, "Audio", "MonitoringDeviceId", "default");
	config_set_default_string(activeConfiguration, "Audio", "MonitoringDeviceName",
				  Str("Basic.Settings.Advanced.Audio.MonitoringDevice"
				      ".Default"));
	config_set_default_uint(activeConfiguration, "Audio", "SampleRate", 48000);
	config_set_default_string(activeConfiguration, "Audio", "ChannelSetup", "Stereo");
	config_set_default_double(activeConfiguration, "Audio", "MeterDecayRate", VOLUME_METER_DECAY_FAST);
	config_set_default_uint(activeConfiguration, "Audio", "PeakMeterType", 0);

	CheckExistingCookieId();

	return true;
}

void OBSBasic::InitBasicConfigDefaults2()
{
	bool oldEncDefaults = config_get_bool(App()->GetUserConfig(), "General", "Pre23Defaults");
	bool useNV = EncoderAvailable("ffmpeg_nvenc") && !oldEncDefaults;

	config_set_default_string(activeConfiguration, "SimpleOutput", "StreamEncoder",
				  useNV ? SIMPLE_ENCODER_NVENC : SIMPLE_ENCODER_X264);
	config_set_default_string(activeConfiguration, "SimpleOutput", "RecEncoder",
				  useNV ? SIMPLE_ENCODER_NVENC : SIMPLE_ENCODER_X264);

	const char *aac_default = "ffmpeg_aac";
	if (EncoderAvailable("CoreAudio_AAC"))
		aac_default = "CoreAudio_AAC";
	else if (EncoderAvailable("libfdk_aac"))
		aac_default = "libfdk_aac";

	config_set_default_string(activeConfiguration, "AdvOut", "AudioEncoder", aac_default);
	config_set_default_string(activeConfiguration, "AdvOut", "RecAudioEncoder", aac_default);
}

bool OBSBasic::InitBasicConfig()
{
	ProfileScope("OBSBasic::InitBasicConfig");

	RefreshProfiles(true);

	const std::string currentProfileName{config_get_string(App()->GetUserConfig(), "Basic", "Profile")};
	const std::optional<OBSProfile> currentProfile = GetProfileByName(currentProfileName);
	const std::optional<OBSProfile> foundProfile = GetProfileByName(opt_starting_profile);

	try {
		if (foundProfile) {
			ActivateProfile(foundProfile.value());
		} else if (currentProfile) {
			ActivateProfile(currentProfile.value());
		} else {
			const OBSProfile &newProfile = CreateProfile(currentProfileName);
			ActivateProfile(newProfile);
		}
	} catch (const std::logic_error &) {
		OBSErrorBox(NULL, "Failed to open basic.ini: %d", -1);
		return false;
	}

	return true;
}

void OBSBasic::InitOBSCallbacks()
{
	ProfileScope("OBSBasic::InitOBSCallbacks");

	signalHandlers.reserve(signalHandlers.size() + 10);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_create", OBSBasic::SourceCreated, this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_remove", OBSBasic::SourceRemoved, this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_activate", OBSBasic::SourceActivated, this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_deactivate", OBSBasic::SourceDeactivated, this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_audio_activate", OBSBasic::SourceAudioActivated,
				    this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_audio_deactivate",
				    OBSBasic::SourceAudioDeactivated, this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "source_rename", OBSBasic::SourceRenamed, this);
	signalHandlers.emplace_back(
		obs_get_signal_handler(), "source_filter_add",
		[](void *data, calldata_t *) {
			QMetaObject::invokeMethod(static_cast<OBSBasic *>(data), "UpdateEditMenu",
						  Qt::QueuedConnection);
		},
		this);
	signalHandlers.emplace_back(
		obs_get_signal_handler(), "source_filter_remove",
		[](void *data, calldata_t *) {
			QMetaObject::invokeMethod(static_cast<OBSBasic *>(data), "UpdateEditMenu",
						  Qt::QueuedConnection);
		},
		this);
	signalHandlers.emplace_back(obs_get_signal_handler(), "canvas_remove", OBSBasic::CanvasRemoved, this);
}

#define STARTUP_SEPARATOR "==== Startup complete ==============================================="
#define SHUTDOWN_SEPARATOR "==== Shutting down =================================================="

#define UNSUPPORTED_ERROR                                                     \
	"Failed to initialize video:\n\nRequired graphics API functionality " \
	"not found.  Your GPU may not be supported."

#define UNKNOWN_ERROR                                                  \
	"Failed to initialize video.  Your GPU may not be supported, " \
	"or your graphics drivers may need to be updated."

static inline void LogEncoders()
{
	constexpr uint32_t hide_flags = OBS_ENCODER_CAP_DEPRECATED | OBS_ENCODER_CAP_INTERNAL;

	auto list_encoders = [](obs_encoder_type type) {
		size_t idx = 0;
		const char *encoder_type;

		while (obs_enum_encoder_types(idx++, &encoder_type)) {
			if (obs_get_encoder_caps(encoder_type) & hide_flags ||
			    obs_get_encoder_type(encoder_type) != type) {
				continue;
			}

			blog(LOG_INFO, "\t- %s (%s)", encoder_type, obs_encoder_get_display_name(encoder_type));
		}
	};

	blog(LOG_INFO, "---------------------------------");
	blog(LOG_INFO, "Available Encoders:");
	blog(LOG_INFO, "  Video Encoders:");
	list_encoders(OBS_ENCODER_VIDEO);
	blog(LOG_INFO, "  Audio Encoders:");
	list_encoders(OBS_ENCODER_AUDIO);
}

void OBSBasic::OBSInit()
{
	ProfileScope("OBSBasic::OBSInit");

	if (!InitBasicConfig())
		throw "Failed to load basic.ini";
	if (!ResetAudio())
		throw "Failed to initialize audio";

	int ret = 0;

	ret = ResetVideo();

	switch (ret) {
	case OBS_VIDEO_MODULE_NOT_FOUND:
		throw "Failed to initialize video:  Graphics module not found";
	case OBS_VIDEO_NOT_SUPPORTED:
		throw UNSUPPORTED_ERROR;
	case OBS_VIDEO_INVALID_PARAM:
		throw "Failed to initialize video:  Invalid parameters";
	default:
		if (ret != OBS_VIDEO_SUCCESS)
			throw UNKNOWN_ERROR;
	}

	/* load audio monitoring */
	if (obs_audio_monitoring_available()) {
		const char *device_name = config_get_string(activeConfiguration, "Audio", "MonitoringDeviceName");
		const char *device_id = config_get_string(activeConfiguration, "Audio", "MonitoringDeviceId");

		obs_set_audio_monitoring_device(device_name, device_id);

		blog(LOG_INFO, "Audio monitoring device:\n\tname: %s\n\tid: %s", device_name, device_id);
	}

	InitOBSCallbacks();
	InitHotkeys();
	ui->preview->Init();

	/* hack to prevent elgato from loading its own QtNetwork that it tries
	 * to ship with */
#if defined(_WIN32) && !defined(_DEBUG)
	LoadLibraryW(L"Qt6Network");
#endif
	struct obs_module_failure_info mfi;

	// Safe Mode disables third-party plugins so we don't need to add each path outside the OBS bundle/installation.
	if (safe_mode || disable_3p_plugins) {
		SetSafeModuleNames();
	} else {
		AddExtraModulePaths();
	}

	// Core modules are not allowed to be disabled by the user via plugin manager.
	SetCoreModuleNames();

	/* Modules can access frontend information (i.e. profile and scene collection data) during their initialization, and some modules (e.g. obs-websockets) are known to use the filesystem location of the current profile in their own code.

     Thus the profile and scene collection discovery needs to happen before any access to that information (but after intializing global settings) to ensure legacy code gets valid path information.
     */
	RefreshSceneCollections(true);

	App()->loadAppModules(mfi);

	BPtr<char *> failed_modules = mfi.failed_modules;

#ifdef BROWSER_AVAILABLE
	cef = obs_browser_init_panel();
	cef_js_avail = cef && obs_browser_qcef_version() >= 3;
#endif

	vcamEnabled = (obs_get_output_flags(VIRTUAL_CAM_ID) & OBS_OUTPUT_VIDEO) != 0;
	if (vcamEnabled) {
		emit VirtualCamEnabled();
	}

	UpdateProfileEncoders();

	LogEncoders();

	blog(LOG_INFO, STARTUP_SEPARATOR);

	if (!InitService())
		throw "Failed to initialize service";

	ResetOutputs();
	CreateHotkeys();

	InitPrimitives();

	sceneDuplicationMode = config_get_bool(App()->GetUserConfig(), "BasicWindow", "SceneDuplicationMode");
	swapScenesMode = config_get_bool(App()->GetUserConfig(), "BasicWindow", "SwapScenesMode");
	editPropertiesMode = config_get_bool(App()->GetUserConfig(), "BasicWindow", "EditPropertiesMode");

	if (!opt_studio_mode) {
		SetPreviewProgramMode(config_get_bool(App()->GetUserConfig(), "BasicWindow", "PreviewProgramMode"));
	} else {
		SetPreviewProgramMode(true);
		opt_studio_mode = false;
	}

#define SET_VISIBILITY(name, control)                                                                \
	do {                                                                                         \
		if (config_has_user_value(App()->GetUserConfig(), "BasicWindow", name)) {            \
			bool visible = config_get_bool(App()->GetUserConfig(), "BasicWindow", name); \
			ui->control->setChecked(visible);                                            \
		}                                                                                    \
	} while (false)

	SET_VISIBILITY("ShowListboxToolbars", toggleListboxToolbars);
	SET_VISIBILITY("ShowStatusBar", toggleStatusBar);
#undef SET_VISIBILITY

	bool sourceIconsVisible = config_get_bool(App()->GetUserConfig(), "BasicWindow", "ShowSourceIcons");
	ui->toggleSourceIcons->setChecked(sourceIconsVisible);

	bool contextVisible = config_get_bool(App()->GetUserConfig(), "BasicWindow", "ShowContextToolbars");
	ui->toggleContextBar->setChecked(contextVisible);
	ui->contextContainer->setVisible(contextVisible);
	if (contextVisible)
		UpdateContextBar(true);
	UpdateEditMenu();

	{
		ProfileScope("OBSBasic::Load");
		const std::string sceneCollectionName{
			config_get_string(App()->GetUserConfig(), "Basic", "SceneCollection")};
		std::optional<OBS::SceneCollection> configuredCollection =
			GetSceneCollectionByName(sceneCollectionName);
		std::optional<OBS::SceneCollection> foundCollection = GetSceneCollectionByName(opt_starting_collection);

		if (foundCollection) {
			ActivateSceneCollection(foundCollection.value());
		} else if (configuredCollection) {
			ActivateSceneCollection(configuredCollection.value());
		} else {
			disableSaving--;
			SetupNewSceneCollection(sceneCollectionName);
			disableSaving++;
		}

		if (foundCollection || configuredCollection) {
			disableSaving--;
			OnEvent(OBS_FRONTEND_EVENT_SCENE_COLLECTION_LIST_CHANGED);
			OnEvent(OBS_FRONTEND_EVENT_SCENE_COLLECTION_CHANGED);
			OnEvent(OBS_FRONTEND_EVENT_SCENE_CHANGED);
			OnEvent(OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED);
			disableSaving++;
		}
	}

	loaded = true;

	previewEnabled = config_get_bool(App()->GetUserConfig(), "BasicWindow", "PreviewEnabled");

	if (!previewEnabled && !IsPreviewProgramMode())
		QMetaObject::invokeMethod(this, "EnablePreviewDisplay", Qt::QueuedConnection,
					  Q_ARG(bool, previewEnabled));
	else if (!previewEnabled && IsPreviewProgramMode())
		QMetaObject::invokeMethod(this, "EnablePreviewDisplay", Qt::QueuedConnection, Q_ARG(bool, true));

	disableSaving--;

	auto addDisplay = [this](OBSQTDisplay *window) {
		obs_display_add_draw_callback(window->GetDisplay(), OBSBasic::RenderMain, this);

		struct obs_video_info ovi;
		if (obs_get_video_info(&ovi))
			ResizePreview(ovi.base_width, ovi.base_height);
	};

	connect(ui->preview, &OBSQTDisplay::DisplayCreated, addDisplay);

	/* Show the main window, unless the tray icon isn't available
	 * or neither the setting nor flag for starting minimized is set. */
	bool sysTrayEnabled = config_get_bool(App()->GetUserConfig(), "BasicWindow", "SysTrayEnabled");
	bool sysTrayWhenStarted = config_get_bool(App()->GetUserConfig(), "BasicWindow", "SysTrayWhenStarted");
	bool hideWindowOnStart = QSystemTrayIcon::isSystemTrayAvailable() && sysTrayEnabled &&
				 (opt_minimize_tray || sysTrayWhenStarted);

#ifdef _WIN32
	SetWin32DropStyle(this);

	if (!hideWindowOnStart)
		show();
#endif

	bool alwaysOnTop = config_get_bool(App()->GetUserConfig(), "BasicWindow", "AlwaysOnTop");

#ifdef ENABLE_WAYLAND
	bool isWayland = obs_get_nix_platform() == OBS_NIX_PLATFORM_WAYLAND;
#else
	bool isWayland = false;
#endif

	if (!isWayland && (alwaysOnTop || opt_always_on_top)) {
		SetAlwaysOnTop(this, true);
		ui->actionAlwaysOnTop->setChecked(true);
	} else if (isWayland) {
		if (opt_always_on_top)
			blog(LOG_INFO, "Always On Top not available on Wayland, ignoring.");
		ui->actionAlwaysOnTop->setEnabled(false);
		ui->actionAlwaysOnTop->setVisible(false);
	}

#ifndef _WIN32
	if (!hideWindowOnStart)
		show();
#endif

	/* setup stats dock */
	OBSBasicStats *statsDlg = new OBSBasicStats(statsDock, false);
	statsDock->setWidget(statsDlg);

	/* ----------------------------- */
	/* add custom browser docks      */
#if defined(BROWSER_AVAILABLE) && defined(YOUTUBE_ENABLED)
	YouTubeAppDock::CleanupYouTubeUrls();
#endif

#ifdef BROWSER_AVAILABLE
	if (cef) {
		QAction *action = new QAction(QTStr("Basic.MainMenu.Docks."
						    "CustomBrowserDocks"),
					      this);
		ui->menuDocks->insertAction(ui->scenesDock->toggleViewAction(), action);
		connect(action, &QAction::triggered, this, &OBSBasic::ManageExtraBrowserDocks);
		ui->menuDocks->insertSeparator(ui->scenesDock->toggleViewAction());

		LoadExtraBrowserDocks();
	}
#endif

#ifdef YOUTUBE_ENABLED
	/* setup YouTube app dock */
	if (YouTubeAppDock::IsYTServiceSelected())
		NewYouTubeAppDock();
#endif

	const char *dockStateStr = config_get_string(App()->GetUserConfig(), "BasicWindow", "DockState");

	if (!dockStateStr) {
		on_resetDocks_triggered(true);
	} else {
		QByteArray dockState = QByteArray::fromBase64(QByteArray(dockStateStr));
		if (!restoreState(dockState))
			on_resetDocks_triggered(true);
	}

	bool pre23Defaults = config_get_bool(App()->GetUserConfig(), "General", "Pre23Defaults");
	if (pre23Defaults) {
		bool resetDockLock23 = config_get_bool(App()->GetUserConfig(), "General", "ResetDockLock23");
		if (!resetDockLock23) {
			config_set_bool(App()->GetUserConfig(), "General", "ResetDockLock23", true);
			config_remove_value(App()->GetUserConfig(), "BasicWindow", "DocksLocked");
			config_save_safe(App()->GetUserConfig(), "tmp", nullptr);
		}
	}

	bool docksLocked = config_get_bool(App()->GetUserConfig(), "BasicWindow", "DocksLocked");
	on_lockDocks_toggled(docksLocked);
	ui->lockDocks->blockSignals(true);
	ui->lockDocks->setChecked(docksLocked);
	ui->lockDocks->blockSignals(false);

	bool sideDocks = config_get_bool(App()->GetUserConfig(), "BasicWindow", "SideDocks");
	on_sideDocks_toggled(sideDocks);
	ui->sideDocks->blockSignals(true);
	ui->sideDocks->setChecked(sideDocks);
	ui->sideDocks->blockSignals(false);

	SystemTray(true);

	TaskbarOverlayInit();

#ifdef __APPLE__
	disableColorSpaceConversion(this);
#endif

	bool has_last_version = config_has_user_value(App()->GetAppConfig(), "General", "LastVersion");
	bool first_run = config_get_bool(App()->GetUserConfig(), "General", "FirstRun");

	if (!first_run) {
		config_set_bool(App()->GetUserConfig(), "General", "FirstRun", true);
		config_save_safe(App()->GetUserConfig(), "tmp", nullptr);
	}

	if (!first_run && !has_last_version && !Active())
		QMetaObject::invokeMethod(this, "on_autoConfigure_triggered", Qt::QueuedConnection);

#if (defined(_WIN32) || defined(__APPLE__)) && (OBS_RELEASE_CANDIDATE > 0 || OBS_BETA > 0)
	/* Automatically set branch to "beta" the first time a pre-release build is run. */
	if (!config_get_bool(App()->GetAppConfig(), "General", "AutoBetaOptIn")) {
		config_set_string(App()->GetAppConfig(), "General", "UpdateBranch", "beta");
		config_set_bool(App()->GetAppConfig(), "General", "AutoBetaOptIn", true);
		config_save_safe(App()->GetAppConfig(), "tmp", nullptr);
	}
#endif
	TimedCheckForUpdates();

	ToggleMixerLayout(config_get_bool(App()->GetUserConfig(), "BasicWindow", "VerticalVolControl"));

	if (config_get_bool(activeConfiguration, "General", "OpenStatsOnStartup"))
		on_stats_triggered();

	OBSBasicStats::InitializeValues();

	/* ----------------------- */
	/* Add multiview menu      */

	ui->viewMenu->addSeparator();

	connect(ui->viewMenu->menuAction(), &QAction::hovered, this, &OBSBasic::updateMultiviewProjectorMenu);
	OBSBasic::updateMultiviewProjectorMenu();

	ui->sources->UpdateIcons();

#if !defined(_WIN32)
	delete ui->actionRepair;
	ui->actionRepair = nullptr;
#if !defined(__APPLE__)
	delete ui->actionShowCrashLogs;
	delete ui->actionUploadLastCrashLog;
	delete ui->menuCrashLogs;
	delete ui->actionCheckForUpdates;
	ui->actionShowCrashLogs = nullptr;
	ui->actionUploadLastCrashLog = nullptr;
	ui->menuCrashLogs = nullptr;
	ui->actionCheckForUpdates = nullptr;
#endif
#endif

#ifdef __APPLE__
	/* Remove OBS' Fullscreen Interface menu in favor of the one macOS adds by default */
	delete ui->actionFullscreenInterface;
	ui->actionFullscreenInterface = nullptr;
#else
	/* Don't show menu to raise macOS-only permissions dialog */
	delete ui->actionShowMacPermissions;
	ui->actionShowMacPermissions = nullptr;
#endif

#if defined(_WIN32) || defined(__APPLE__)
	if (App()->IsUpdaterDisabled()) {
		ui->actionCheckForUpdates->setEnabled(false);
#if defined(_WIN32)
		ui->actionRepair->setEnabled(false);
#endif
	}
#endif

#ifndef WHATSNEW_ENABLED
	delete ui->actionShowWhatsNew;
	ui->actionShowWhatsNew = nullptr;
#endif

	if (safe_mode) {
		ui->actionRestartSafe->setText(QTStr("Basic.MainMenu.Help.RestartNormal"));
	}

	UpdatePreviewProgramIndicators();
	OnFirstLoad();

	if (!hideWindowOnStart)
		activateWindow();

	/* ------------------------------------------- */
	/* display warning message for failed modules  */

	if (mfi.count) {
		QString failed_plugins;

		char **plugin = mfi.failed_modules;
		while (*plugin) {
			failed_plugins += *plugin;
			failed_plugins += "\n";
			plugin++;
		}

		QString failed_msg = QTStr("PluginsFailedToLoad.Text").arg(failed_plugins);
		OBSMessageBox::warning(this, QTStr("PluginsFailedToLoad.Title"), failed_msg);
	}
}

void OBSBasic::OnFirstLoad()
{
	OnEvent(OBS_FRONTEND_EVENT_FINISHED_LOADING);

#ifdef WHATSNEW_ENABLED
	/* Attempt to load init screen if available */
	if (cef) {
		WhatsNewInfoThread *wnit = new WhatsNewInfoThread();
		connect(wnit, &WhatsNewInfoThread::Result, this, &OBSBasic::ReceivedIntroJson, Qt::QueuedConnection);

		introCheckThread.reset(wnit);
		introCheckThread->start();
	}
#endif

	Auth::Load();

	bool showLogViewerOnStartup = config_get_bool(App()->GetUserConfig(), "LogViewer", "ShowLogStartup");

	if (showLogViewerOnStartup)
		on_actionViewCurrentLog_triggered();
}

OBSBasic::~OBSBasic()
{
	if (!handledShutdown) {
		applicationShutdown();
	}
}

void OBSBasic::applicationShutdown() noexcept
{
	/* clear out UI event queue */
	QApplication::sendPostedEvents(nullptr);
	QApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);

	if (updateCheckThread && updateCheckThread->isRunning())
		updateCheckThread->wait();

	if (patronJsonThread && patronJsonThread->isRunning())
		patronJsonThread->wait();

	delete screenshotData;
	delete previewProjector;
	delete studioProgramProjector;
	delete previewProjectorSource;
	delete previewProjectorMain;
	delete sourceProjector;
	delete sceneProjectorMenu;
	delete scaleFilteringMenu;
	delete blendingModeMenu;
	delete colorMenu;
	delete colorWidgetAction;
	delete colorSelect;
	delete deinterlaceMenu;
	delete perSceneTransitionMenu;
	delete shortcutFilter;
	delete trayMenu;
	delete programOptions;
	delete program;

	/* XXX: any obs data must be released before calling obs_shutdown.
	 * currently, we can't automate this with C++ RAII because of the
	 * delicate nature of obs_shutdown needing to be freed before the UI
	 * can be freed, and we have no control over the destruction order of
	 * the Qt UI stuff, so we have to manually clear any references to
	 * libobs. */
	delete cpuUsageTimer;
	os_cpu_usage_info_destroy(cpuUsageInfo);

	obs_hotkey_set_callback_routing_func(nullptr, nullptr);
	ClearHotkeys();

	service = nullptr;
	outputHandler.reset();

	delete interaction;
	delete properties;
	delete filters;
	delete transformWindow;
	delete advAudioWindow;
	delete about;
	delete remux;

	obs_display_remove_draw_callback(ui->preview->GetDisplay(), OBSBasic::RenderMain, this);

	obs_enter_graphics();
	gs_vertexbuffer_destroy(box);
	gs_vertexbuffer_destroy(boxLeft);
	gs_vertexbuffer_destroy(boxTop);
	gs_vertexbuffer_destroy(boxRight);
	gs_vertexbuffer_destroy(boxBottom);
	gs_vertexbuffer_destroy(circle);
	gs_vertexbuffer_destroy(actionSafeMargin);
	gs_vertexbuffer_destroy(graphicsSafeMargin);
	gs_vertexbuffer_destroy(fourByThreeSafeMargin);
	gs_vertexbuffer_destroy(leftLine);
	gs_vertexbuffer_destroy(topLine);
	gs_vertexbuffer_destroy(rightLine);
	obs_leave_graphics();

	/* When shutting down, sometimes source references can get in to the
	 * event queue, and if we don't forcibly process those events they
	 * won't get processed until after obs_shutdown has been called.  I
	 * really wish there were a more elegant way to deal with this via C++,
	 * but Qt doesn't use C++ in a normal way, so you can't really rely on
	 * normal C++ behavior for your data to be freed in the order that you
	 * expect or want it to. */
	QApplication::sendPostedEvents(nullptr);

	config_set_int(App()->GetAppConfig(), "General", "LastVersion", LIBOBS_API_VER);
	config_save_safe(App()->GetAppConfig(), "tmp", nullptr);

	config_set_bool(App()->GetUserConfig(), "BasicWindow", "PreviewEnabled", previewEnabled);
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "AlwaysOnTop", ui->actionAlwaysOnTop->isChecked());
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "SceneDuplicationMode", sceneDuplicationMode);
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "SwapScenesMode", swapScenesMode);
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "EditPropertiesMode", editPropertiesMode);
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "PreviewProgramMode", IsPreviewProgramMode());
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "DocksLocked", ui->lockDocks->isChecked());
	config_set_bool(App()->GetUserConfig(), "BasicWindow", "SideDocks", ui->sideDocks->isChecked());
	config_save_safe(App()->GetUserConfig(), "tmp", nullptr);

#ifdef BROWSER_AVAILABLE
	DestroyPanelCookieManager();
	delete cef;
	cef = nullptr;
#endif

	handledShutdown = true;
}

static inline int AttemptToResetVideo(struct obs_video_info *ovi)
{
	return obs_reset_video(ovi);
}

static inline enum obs_scale_type GetScaleType(ConfigFile &activeConfiguration)
{
	const char *scaleTypeStr = config_get_string(activeConfiguration, "Video", "ScaleType");

	if (astrcmpi(scaleTypeStr, "bilinear") == 0)
		return OBS_SCALE_BILINEAR;
	else if (astrcmpi(scaleTypeStr, "lanczos") == 0)
		return OBS_SCALE_LANCZOS;
	else if (astrcmpi(scaleTypeStr, "area") == 0)
		return OBS_SCALE_AREA;
	else
		return OBS_SCALE_BICUBIC;
}

static inline enum video_format GetVideoFormatFromName(const char *name)
{
	if (astrcmpi(name, "I420") == 0)
		return VIDEO_FORMAT_I420;
	else if (astrcmpi(name, "NV12") == 0)
		return VIDEO_FORMAT_NV12;
	else if (astrcmpi(name, "I444") == 0)
		return VIDEO_FORMAT_I444;
	else if (astrcmpi(name, "I010") == 0)
		return VIDEO_FORMAT_I010;
	else if (astrcmpi(name, "P010") == 0)
		return VIDEO_FORMAT_P010;
	else if (astrcmpi(name, "P216") == 0)
		return VIDEO_FORMAT_P216;
	else if (astrcmpi(name, "P416") == 0)
		return VIDEO_FORMAT_P416;
#if 0 //currently unsupported
	else if (astrcmpi(name, "YVYU") == 0)
		return VIDEO_FORMAT_YVYU;
	else if (astrcmpi(name, "YUY2") == 0)
		return VIDEO_FORMAT_YUY2;
	else if (astrcmpi(name, "UYVY") == 0)
		return VIDEO_FORMAT_UYVY;
#endif
	else
		return VIDEO_FORMAT_BGRA;
}

static inline enum video_colorspace GetVideoColorSpaceFromName(const char *name)
{
	enum video_colorspace colorspace = VIDEO_CS_SRGB;
	if (strcmp(name, "601") == 0)
		colorspace = VIDEO_CS_601;
	else if (strcmp(name, "709") == 0)
		colorspace = VIDEO_CS_709;
	else if (strcmp(name, "2100PQ") == 0)
		colorspace = VIDEO_CS_2100_PQ;
	else if (strcmp(name, "2100HLG") == 0)
		colorspace = VIDEO_CS_2100_HLG;

	return colorspace;
}

int OBSBasic::ResetVideo()
{
	if (outputHandler && outputHandler->Active())
		return OBS_VIDEO_CURRENTLY_ACTIVE;

	ProfileScope("OBSBasic::ResetVideo");

	struct obs_video_info ovi;
	int ret;

	GetConfigFPS(ovi.fps_num, ovi.fps_den);

	const char *colorFormat = config_get_string(activeConfiguration, "Video", "ColorFormat");
	const char *colorSpace = config_get_string(activeConfiguration, "Video", "ColorSpace");
	const char *colorRange = config_get_string(activeConfiguration, "Video", "ColorRange");

	ovi.graphics_module = App()->GetRenderModule();
	ovi.base_width = (uint32_t)config_get_uint(activeConfiguration, "Video", "BaseCX");
	ovi.base_height = (uint32_t)config_get_uint(activeConfiguration, "Video", "BaseCY");
	ovi.output_width = (uint32_t)config_get_uint(activeConfiguration, "Video", "OutputCX");
	ovi.output_height = (uint32_t)config_get_uint(activeConfiguration, "Video", "OutputCY");
	ovi.output_format = GetVideoFormatFromName(colorFormat);
	ovi.colorspace = GetVideoColorSpaceFromName(colorSpace);
	ovi.range = astrcmpi(colorRange, "Full") == 0 ? VIDEO_RANGE_FULL : VIDEO_RANGE_PARTIAL;
	ovi.adapter = config_get_uint(App()->GetUserConfig(), "Video", "AdapterIdx");
	ovi.gpu_conversion = true;
	ovi.scale_type = GetScaleType(activeConfiguration);

	if (ovi.base_width < 32 || ovi.base_height < 32) {
		ovi.base_width = 1920;
		ovi.base_height = 1080;
		config_set_uint(activeConfiguration, "Video", "BaseCX", 1920);
		config_set_uint(activeConfiguration, "Video", "BaseCY", 1080);
	}

	if (ovi.output_width < 32 || ovi.output_height < 32) {
		ovi.output_width = ovi.base_width;
		ovi.output_height = ovi.base_height;
		config_set_uint(activeConfiguration, "Video", "OutputCX", ovi.base_width);
		config_set_uint(activeConfiguration, "Video", "OutputCY", ovi.base_height);
	}

	ret = AttemptToResetVideo(&ovi);
	if (ret == OBS_VIDEO_CURRENTLY_ACTIVE) {
		blog(LOG_WARNING, "Tried to reset when already active");
		return ret;
	}

	if (ret == OBS_VIDEO_SUCCESS) {
		ResizePreview(ovi.base_width, ovi.base_height);
		if (program)
			ResizeProgram(ovi.base_width, ovi.base_height);

		const float sdr_white_level = (float)config_get_uint(activeConfiguration, "Video", "SdrWhiteLevel");
		const float hdr_nominal_peak_level =
			(float)config_get_uint(activeConfiguration, "Video", "HdrNominalPeakLevel");
		obs_set_video_levels(sdr_white_level, hdr_nominal_peak_level);
		OBSBasicStats::InitializeValues();
		OBSProjector::UpdateMultiviewProjectors();

		if (!collections.empty()) {
			const OBS::SceneCollection currentSceneCollection = OBSBasic::GetCurrentSceneCollection();

			bool usingAbsoluteCoordinates = currentSceneCollection.getCoordinateMode() ==
							OBS::SceneCoordinateMode::Absolute;
			OBS::Rect migrationResolution = currentSceneCollection.getMigrationResolution();

			OBS::Rect videoResolution = OBS::Rect(ovi.base_width, ovi.base_height);

			bool canMigrate = usingAbsoluteCoordinates ||
					  (!migrationResolution.isZero() && migrationResolution != videoResolution);

			ui->actionRemigrateSceneCollection->setEnabled(canMigrate);
		} else {
			ui->actionRemigrateSceneCollection->setEnabled(false);
		}

		emit CanvasResized(ovi.base_width, ovi.base_height);
		emit OutputResized(ovi.output_width, ovi.output_height);
	}

	return ret;
}

bool OBSBasic::ResetAudio()
{
	ProfileScope("OBSBasic::ResetAudio");

	struct obs_audio_info2 ai = {};
	ai.samples_per_sec = config_get_uint(activeConfiguration, "Audio", "SampleRate");

	const char *channelSetupStr = config_get_string(activeConfiguration, "Audio", "ChannelSetup");

	if (strcmp(channelSetupStr, "Mono") == 0)
		ai.speakers = SPEAKERS_MONO;
	else if (strcmp(channelSetupStr, "2.1") == 0)
		ai.speakers = SPEAKERS_2POINT1;
	else if (strcmp(channelSetupStr, "4.0") == 0)
		ai.speakers = SPEAKERS_4POINT0;
	else if (strcmp(channelSetupStr, "4.1") == 0)
		ai.speakers = SPEAKERS_4POINT1;
	else if (strcmp(channelSetupStr, "5.1") == 0)
		ai.speakers = SPEAKERS_5POINT1;
	else if (strcmp(channelSetupStr, "7.1") == 0)
		ai.speakers = SPEAKERS_7POINT1;
	else
		ai.speakers = SPEAKERS_STEREO;

	bool lowLatencyAudioBuffering = config_get_bool(App()->GetUserConfig(), "Audio", "LowLatencyAudioBuffering");
	if (lowLatencyAudioBuffering) {
		ai.max_buffering_ms = 20;
		ai.fixed_buffering = true;
	}

	return obs_reset_audio2(&ai);
}

void OBSBasic::closeEvent(QCloseEvent *event)
{
	/* Wait for multitrack video stream to start/finish processing in the background */
	if (setupStreamingGuard.valid() &&
	    setupStreamingGuard.wait_for(std::chrono::seconds{0}) != std::future_status::ready) {
		QTimer::singleShot(1000, this, &OBSBasic::close);
		event->ignore();
		return;
	}

	/* Do not close window if inside of a temporary event loop because we
	 * could be inside of an Auth::LoadUI call.  Keep trying once per
	 * second until we've exit any known sub-loops. */
	if (os_atomic_load_long(&insideEventLoop) != 0) {
		QTimer::singleShot(1000, this, &OBSBasic::close);
		event->ignore();
		return;
	}

#ifdef YOUTUBE_ENABLED
	/* Also don't close the window if the youtube stream check is active */
	if (youtubeStreamCheckThread) {
		QTimer::singleShot(1000, this, &OBSBasic::close);
		event->ignore();
		return;
	}
#endif

	if (isVisible())
		config_set_string(App()->GetUserConfig(), "BasicWindow", "geometry",
				  saveGeometry().toBase64().constData());

	bool confirmOnExit = config_get_bool(App()->GetUserConfig(), "General", "ConfirmOnExit");

	if (confirmOnExit && outputHandler && outputHandler->Active() && !clearingFailed) {
		SetShowing(true);

		QMessageBox::StandardButton button =
			OBSMessageBox::question(this, QTStr("ConfirmExit.Title"), QTStr("ConfirmExit.Text"));

		if (button == QMessageBox::No) {
			event->ignore();
			restart = false;
			return;
		}
	}

	if (remux && !remux->close()) {
		event->ignore();
		restart = false;
		return;
	}

	QWidget::closeEvent(event);
	if (!event->isAccepted())
		return;

	blog(LOG_INFO, SHUTDOWN_SEPARATOR);

	closing = true;

	/* While closing, a resize event to OBSQTDisplay could be triggered.
	 * The graphics thread on macOS dispatches a lambda function to be
	 * executed asynchronously in the main thread. However, the display is
	 * sometimes deleted before the lambda function is actually executed.
	 * To avoid such a case, destroy displays earlier than others such as
	 * deleting browser docks. */
	ui->preview->DestroyDisplay();
	if (program)
		program->DestroyDisplay();

	if (outputHandler->VirtualCamActive())
		outputHandler->StopVirtualCam();

	if (introCheckThread)
		introCheckThread->wait();
	if (whatsNewInitThread)
		whatsNewInitThread->wait();
	if (updateCheckThread)
		updateCheckThread->wait();
	if (logUploadThread)
		logUploadThread->wait();
	if (devicePropertiesThread && devicePropertiesThread->isRunning()) {
		devicePropertiesThread->wait();
		devicePropertiesThread.reset();
	}

	QApplication::sendPostedEvents(nullptr);

	signalHandlers.clear();

	Auth::Save();
	SaveProjectNow();
	auth.reset();

	delete extraBrowsers;

	config_set_string(App()->GetUserConfig(), "BasicWindow", "DockState", saveState().toBase64().constData());

#ifdef BROWSER_AVAILABLE
	if (cef)
		SaveExtraBrowserDocks();

	ClearExtraBrowserDocks();
#endif

	OnEvent(OBS_FRONTEND_EVENT_SCRIPTING_SHUTDOWN);

	disableSaving++;

	/* Clear all scene data (dialogs, widgets, widget sub-items, scenes,
	 * sources, etc) so that all references are released before shutdown */
	ClearSceneData();

	OnEvent(OBS_FRONTEND_EVENT_EXIT);

	// Destroys the frontend API so plugins can't continue calling it
	obs_frontend_set_callbacks_internal(nullptr);
	api = nullptr;

	QMetaObject::invokeMethod(App(), "quit", Qt::QueuedConnection);
}

bool OBSBasic::nativeEvent(const QByteArray &, void *message, qintptr *)
{
#ifdef _WIN32
	const MSG &msg = *static_cast<MSG *>(message);
	switch (msg.message) {
	case WM_MOVE:
		for (OBSQTDisplay *const display : findChildren<OBSQTDisplay *>()) {
			display->OnMove();
		}
		break;
	case WM_DISPLAYCHANGE:
		for (OBSQTDisplay *const display : findChildren<OBSQTDisplay *>()) {
			display->OnDisplayChange();
		}
	}
#else
	UNUSED_PARAMETER(message);
#endif

	return false;
}

void OBSBasic::changeEvent(QEvent *event)
{
	if (event->type() == QEvent::WindowStateChange) {
		QWindowStateChangeEvent *stateEvent = (QWindowStateChangeEvent *)event;

		if (isMinimized()) {
			if (trayIcon && trayIcon->isVisible() && sysTrayMinimizeToTray()) {
				ToggleShowHide();
				return;
			}

			if (previewEnabled)
				EnablePreviewDisplay(false);
		} else if (stateEvent->oldState() & Qt::WindowMinimized && isVisible()) {
			if (previewEnabled)
				EnablePreviewDisplay(true);
		}
	}
}

void OBSBasic::GetFPSCommon(uint32_t &num, uint32_t &den) const
{
	const char *val = config_get_string(activeConfiguration, "Video", "FPSCommon");

	if (strcmp(val, "10") == 0) {
		num = 10;
		den = 1;
	} else if (strcmp(val, "20") == 0) {
		num = 20;
		den = 1;
	} else if (strcmp(val, "24 NTSC") == 0) {
		num = 24000;
		den = 1001;
	} else if (strcmp(val, "25 PAL") == 0) {
		num = 25;
		den = 1;
	} else if (strcmp(val, "29.97") == 0) {
		num = 30000;
		den = 1001;
	} else if (strcmp(val, "48") == 0) {
		num = 48;
		den = 1;
	} else if (strcmp(val, "50 PAL") == 0) {
		num = 50;
		den = 1;
	} else if (strcmp(val, "59.94") == 0) {
		num = 60000;
		den = 1001;
	} else if (strcmp(val, "60") == 0) {
		num = 60;
		den = 1;
	} else {
		num = 30;
		den = 1;
	}
}

void OBSBasic::GetFPSInteger(uint32_t &num, uint32_t &den) const
{
	num = (uint32_t)config_get_uint(activeConfiguration, "Video", "FPSInt");
	den = 1;
}

void OBSBasic::GetFPSFraction(uint32_t &num, uint32_t &den) const
{
	num = (uint32_t)config_get_uint(activeConfiguration, "Video", "FPSNum");
	den = (uint32_t)config_get_uint(activeConfiguration, "Video", "FPSDen");
}

void OBSBasic::GetFPSNanoseconds(uint32_t &num, uint32_t &den) const
{
	num = 1000000000;
	den = (uint32_t)config_get_uint(activeConfiguration, "Video", "FPSNS");
}

void OBSBasic::GetConfigFPS(uint32_t &num, uint32_t &den) const
{
	uint32_t type = config_get_uint(activeConfiguration, "Video", "FPSType");

	if (type == 1) //"Integer"
		GetFPSInteger(num, den);
	else if (type == 2) //"Fraction"
		GetFPSFraction(num, den);
	/*
	 * 	else if (false) //"Nanoseconds", currently not implemented
	 *		GetFPSNanoseconds(num, den);
	 */
	else
		GetFPSCommon(num, den);
}

config_t *OBSBasic::Config() const
{
	return activeConfiguration;
}

void OBSBasic::UpdateEditMenu()
{
	QModelIndexList items = GetAllSelectedSourceItems();
	int totalCount = items.count();
	size_t filter_count = 0;

	if (totalCount == 1) {
		OBSSceneItem sceneItem = ui->sources->Get(GetTopSelectedSourceItem());
		OBSSource source = obs_sceneitem_get_source(sceneItem);
		filter_count = obs_source_filter_count(source);
	}

	bool allowPastingDuplicate = !!clipboard.size();
	for (size_t i = clipboard.size(); i > 0; i--) {
		const size_t idx = i - 1;
		OBSWeakSource &weak = clipboard[idx].weak_source;
		if (obs_weak_source_expired(weak)) {
			clipboard.erase(clipboard.begin() + idx);
			continue;
		}
		OBSSourceAutoRelease strong = obs_weak_source_get_source(weak.Get());
		if (allowPastingDuplicate && obs_source_get_output_flags(strong) & OBS_SOURCE_DO_NOT_DUPLICATE)
			allowPastingDuplicate = false;
	}

	int videoCount = 0;
	bool canTransformMultiple = false;
	for (int i = 0; i < totalCount; i++) {
		OBSSceneItem item = ui->sources->Get(items.value(i).row());
		OBSSource source = obs_sceneitem_get_source(item);
		const uint32_t flags = obs_source_get_output_flags(source);
		const bool hasVideo = (flags & OBS_SOURCE_VIDEO) != 0;
		if (hasVideo && !obs_sceneitem_locked(item))
			canTransformMultiple = true;

		if (hasVideo)
			videoCount++;
	}
	const bool canTransformSingle = videoCount == 1 && totalCount == 1;

	OBSSceneItem curItem = GetCurrentSceneItem();
	bool locked = curItem && obs_sceneitem_locked(curItem);

	ui->actionCopySource->setEnabled(totalCount > 0);
	ui->actionEditTransform->setEnabled(canTransformSingle && !locked);
	ui->actionCopyTransform->setEnabled(canTransformSingle);
	ui->actionPasteTransform->setEnabled(canTransformMultiple && hasCopiedTransform && videoCount > 0);
	ui->actionCopyFilters->setEnabled(filter_count > 0);
	ui->actionPasteFilters->setEnabled(!obs_weak_source_expired(copyFiltersSource) && totalCount > 0);
	ui->actionPasteRef->setEnabled(!!clipboard.size());
	ui->actionPasteDup->setEnabled(allowPastingDuplicate);

	ui->actionMoveUp->setEnabled(totalCount > 0);
	ui->actionMoveDown->setEnabled(totalCount > 0);
	ui->actionMoveToTop->setEnabled(totalCount > 0);
	ui->actionMoveToBottom->setEnabled(totalCount > 0);

	ui->actionResetTransform->setEnabled(canTransformMultiple);
	ui->actionRotate90CW->setEnabled(canTransformMultiple);
	ui->actionRotate90CCW->setEnabled(canTransformMultiple);
	ui->actionRotate180->setEnabled(canTransformMultiple);
	ui->actionFlipHorizontal->setEnabled(canTransformMultiple);
	ui->actionFlipVertical->setEnabled(canTransformMultiple);
	ui->actionFitToScreen->setEnabled(canTransformMultiple);
	ui->actionStretchToScreen->setEnabled(canTransformMultiple);
	ui->actionCenterToScreen->setEnabled(canTransformMultiple);
	ui->actionVerticalCenter->setEnabled(canTransformMultiple);
	ui->actionHorizontalCenter->setEnabled(canTransformMultiple);
}

void OBSBasic::UpdateTitleBar()
{
	stringstream name;

	const char *profile = config_get_string(App()->GetUserConfig(), "Basic", "Profile");
	const char *sceneCollection = config_get_string(App()->GetUserConfig(), "Basic", "SceneCollection");

	name << "OBS ";
	if (previewProgramMode)
		name << "Studio ";

	name << App()->GetVersionString(false);
	if (safe_mode)
		name << " (" << Str("TitleBar.SafeMode") << ")";
	if (App()->IsPortableMode())
		name << " - " << Str("TitleBar.PortableMode");

	name << " - " << Str("TitleBar.Profile") << ": " << profile;
	name << " - " << Str("TitleBar.Scenes") << ": " << sceneCollection;

	setWindowTitle(QT_UTF8(name.str().c_str()));
}

OBSBasic *OBSBasic::Get()
{
	return reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
}

void OBSBasic::UpdatePatronJson(const QString &text, const QString &error)
{
	if (!error.isEmpty())
		return;

	patronJson = QT_TO_UTF8(text);
}

void OBSBasic::SetDisplayAffinity(QWindow *window)
{
	if (!SetDisplayAffinitySupported())
		return;

	bool hideFromCapture = config_get_bool(App()->GetUserConfig(), "BasicWindow", "HideOBSWindowsFromCapture");

	// Don't hide projectors, those are designed to be visible / captured
	if (window->property("isOBSProjectorWindow") == true)
		return;

#ifdef _WIN32
	HWND hwnd = (HWND)window->winId();

	DWORD curAffinity;
	if (GetWindowDisplayAffinity(hwnd, &curAffinity)) {
		if (hideFromCapture && curAffinity != WDA_EXCLUDEFROMCAPTURE)
			SetWindowDisplayAffinity(hwnd, WDA_EXCLUDEFROMCAPTURE);
		else if (!hideFromCapture && curAffinity != WDA_NONE)
			SetWindowDisplayAffinity(hwnd, WDA_NONE);
	}

#else
	// TODO: Implement for other platforms if possible. Don't forget to
	// implement SetDisplayAffinitySupported too!
	UNUSED_PARAMETER(hideFromCapture);
#endif
}

void OBSBasic::OnEvent(enum obs_frontend_event event)
{
	if (api)
		api->on_event(event);
}

OBSPromptResult OBSBasic::PromptForName(const OBSPromptRequest &request, const OBSPromptCallback &callback)
{
	OBSPromptResult result;

	for (;;) {
		result.success = false;

		if (request.withOption && !request.optionPrompt.empty()) {
			result.optionValue = request.optionValue;

			result.success = NameDialog::AskForNameWithOption(
				this, request.title.c_str(), request.prompt.c_str(), result.promptValue,
				request.optionPrompt.c_str(), result.optionValue,
				(request.promptValue.empty() ? nullptr : request.promptValue.c_str()));

		} else {
			result.success = NameDialog::AskForName(
				this, request.title.c_str(), request.prompt.c_str(), result.promptValue,
				(request.promptValue.empty() ? nullptr : request.promptValue.c_str()));
		}

		if (!result.success) {
			break;
		}

		if (result.promptValue.empty()) {
			OBSMessageBox::warning(this, QTStr("NoNameEntered.Title"), QTStr("NoNameEntered.Text"));
			continue;
		}

		if (!callback(result)) {
			OBSMessageBox::warning(this, QTStr("NameExists.Title"), QTStr("NameExists.Text"));
			continue;
		}

		break;
	}

	return result;
}

void OBSBasic::on_actionOpenPluginManager_triggered()
{
	App()->pluginManagerOpenDialog();
}