frontend: Migrate frontend plugins

frontend/plugins/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_subdirectory(aja-output-ui)
+add_subdirectory(decklink-captions)
+add_subdirectory(decklink-output-ui)
+add_subdirectory(frontend-tools)

frontend/plugins/aja-output-ui/AJAOutputUI.cpp

@@ -0,0 +1,247 @@
+#include "AJAOutputUI.h"
+#include "aja-ui-main.h"
+
+#include "../../../plugins/aja/aja-common.hpp"
+#include "../../../plugins/aja/aja-ui-props.hpp"
+#include "../../../plugins/aja/aja-enums.hpp"
+#include "../../../plugins/aja/aja-card-manager.hpp"
+
+#include <ajantv2/includes/ntv2card.h>
+#include <ajantv2/includes/ntv2devicefeatures.h>
+#include <ajantv2/includes/ntv2enums.h>
+#include <ajantv2/includes/ntv2utils.h>
+
+#include <obs-module.h>
+#include <util/platform.h>
+#include <util/util.hpp>
+
+AJAOutputUI::AJAOutputUI(QWidget *parent) : QDialog(parent), ui(new Ui_Output)
+{
+	ui->setupUi(this);
+	setSizeGripEnabled(true);
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	propertiesView = nullptr;
+	previewPropertiesView = nullptr;
+	miscPropertiesView = nullptr;
+}
+
+void AJAOutputUI::ShowHideDialog()
+{
+	SetupPropertiesView();
+	SetupPreviewPropertiesView();
+	SetupMiscPropertiesView();
+
+	setVisible(!isVisible());
+}
+
+void AJAOutputUI::SetupPropertiesView()
+{
+	if (propertiesView)
+		delete propertiesView;
+
+	obs_data_t *settings = obs_data_create();
+	OBSData data = load_settings(kProgramPropsFilename);
+	if (data) {
+		obs_data_apply(settings, data);
+	} else {
+		// apply default settings
+		obs_data_set_default_int(settings, kUIPropOutput.id, static_cast<long long>(IOSelection::Invalid));
+		obs_data_set_default_int(settings, kUIPropVideoFormatSelect.id,
+					 static_cast<long long>(kDefaultAJAVideoFormat));
+		obs_data_set_default_int(settings, kUIPropPixelFormatSelect.id,
+					 static_cast<long long>(kDefaultAJAPixelFormat));
+		obs_data_set_default_int(settings, kUIPropSDITransport.id,
+					 static_cast<long long>(kDefaultAJASDITransport));
+		obs_data_set_default_int(settings, kUIPropSDITransport4K.id,
+					 static_cast<long long>(kDefaultAJASDITransport4K));
+	}
+
+	// Assign an ID to the program output plugin instance for channel usage tracking
+	obs_data_set_string(settings, kUIPropAJAOutputID.id, kProgramOutputID);
+
+	propertiesView =
+		new OBSPropertiesView(settings, "aja_output", (PropertiesReloadCallback)obs_get_output_properties, 170);
+
+	ui->propertiesLayout->addWidget(propertiesView);
+	obs_data_release(settings);
+
+	connect(propertiesView, &OBSPropertiesView::Changed, this, &AJAOutputUI::PropertiesChanged);
+}
+
+void AJAOutputUI::SaveSettings(const char *filename, obs_data_t *settings)
+{
+	BPtr<char> modulePath = obs_module_get_config_path(obs_current_module(), "");
+
+	os_mkdirs(modulePath);
+
+	BPtr<char> path = obs_module_get_config_path(obs_current_module(), filename);
+
+	if (settings)
+		obs_data_save_json_safe(settings, path, "tmp", "bak");
+}
+
+void AJAOutputUI::SetupPreviewPropertiesView()
+{
+	if (previewPropertiesView)
+		delete previewPropertiesView;
+
+	obs_data_t *settings = obs_data_create();
+
+	OBSData data = load_settings(kPreviewPropsFilename);
+	if (data) {
+		obs_data_apply(settings, data);
+	} else {
+		// apply default settings
+		obs_data_set_default_int(settings, kUIPropOutput.id, static_cast<long long>(IOSelection::Invalid));
+		obs_data_set_default_int(settings, kUIPropVideoFormatSelect.id,
+					 static_cast<long long>(kDefaultAJAVideoFormat));
+		obs_data_set_default_int(settings, kUIPropPixelFormatSelect.id,
+					 static_cast<long long>(kDefaultAJAPixelFormat));
+		obs_data_set_default_int(settings, kUIPropSDITransport.id,
+					 static_cast<long long>(kDefaultAJASDITransport));
+		obs_data_set_default_int(settings, kUIPropSDITransport4K.id,
+					 static_cast<long long>(kDefaultAJASDITransport4K));
+	}
+
+	// Assign an ID to the program output plugin instance for channel usage tracking
+	obs_data_set_string(settings, kUIPropAJAOutputID.id, kPreviewOutputID);
+
+	previewPropertiesView =
+		new OBSPropertiesView(settings, "aja_output", (PropertiesReloadCallback)obs_get_output_properties, 170);
+
+	ui->previewPropertiesLayout->addWidget(previewPropertiesView);
+	obs_data_release(settings);
+
+	connect(previewPropertiesView, &OBSPropertiesView::Changed, this, &AJAOutputUI::PreviewPropertiesChanged);
+}
+
+void AJAOutputUI::on_outputButton_clicked()
+{
+	SaveSettings(kProgramPropsFilename, propertiesView->GetSettings());
+	output_toggle();
+}
+
+void AJAOutputUI::PropertiesChanged()
+{
+	SaveSettings(kProgramPropsFilename, propertiesView->GetSettings());
+}
+
+void AJAOutputUI::OutputStateChanged(bool active)
+{
+	QString text;
+	if (active) {
+		text = QString(obs_module_text("Stop"));
+	} else {
+		text = QString(obs_module_text("Start"));
+	}
+
+	ui->outputButton->setChecked(active);
+	ui->outputButton->setText(text);
+}
+
+void AJAOutputUI::on_previewOutputButton_clicked()
+{
+	SaveSettings(kPreviewPropsFilename, previewPropertiesView->GetSettings());
+	preview_output_toggle();
+}
+
+void AJAOutputUI::PreviewPropertiesChanged()
+{
+	SaveSettings(kPreviewPropsFilename, previewPropertiesView->GetSettings());
+}
+
+void AJAOutputUI::PreviewOutputStateChanged(bool active)
+{
+	QString text;
+	if (active) {
+		text = QString(obs_module_text("Stop"));
+	} else {
+		text = QString(obs_module_text("Start"));
+	}
+
+	ui->previewOutputButton->setChecked(active);
+	ui->previewOutputButton->setText(text);
+}
+
+static obs_properties_t *create_misc_props_ui(void *vp)
+{
+	AJAOutputUI *outputUI = (AJAOutputUI *)vp;
+	if (!outputUI)
+		return nullptr;
+	aja::CardManager *cardManager = outputUI->GetCardManager();
+	if (!cardManager)
+		return nullptr;
+
+	bool haveMultiView = false;
+	for (auto &c : *cardManager) {
+		auto deviceID = c.second->GetDeviceID();
+		for (const auto &id : aja::MultiViewCards()) {
+			if (deviceID == id) {
+				haveMultiView = true;
+				break;
+			}
+		}
+	}
+
+	obs_properties_t *props = obs_properties_create();
+	obs_property_t *deviceList = obs_properties_add_list(props, kUIPropDevice.id,
+							     obs_module_text(kUIPropDevice.text), OBS_COMBO_TYPE_LIST,
+							     OBS_COMBO_FORMAT_STRING);
+	obs_property_t *multiViewEnable =
+		obs_properties_add_bool(props, kUIPropMultiViewEnable.id, obs_module_text(kUIPropMultiViewEnable.text));
+	obs_property_t *multiViewAudioSources = obs_properties_add_list(
+		props, kUIPropMultiViewAudioSource.id, obs_module_text(kUIPropMultiViewAudioSource.text),
+		OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_INT);
+
+	obs_property_list_clear(deviceList);
+	obs_property_list_clear(multiViewAudioSources);
+
+	NTV2DeviceID firstDeviceID = DEVICE_ID_NOTFOUND;
+	populate_misc_device_list(deviceList, cardManager, firstDeviceID);
+	populate_multi_view_audio_sources(multiViewAudioSources, firstDeviceID);
+	obs_property_set_modified_callback2(deviceList, on_misc_device_selected, cardManager);
+	obs_property_set_modified_callback2(multiViewEnable, on_multi_view_toggle, cardManager);
+	obs_property_set_modified_callback2(multiViewAudioSources, on_multi_view_toggle, cardManager);
+
+	outputUI->ui->label_3->setVisible(haveMultiView);
+	obs_property_set_visible(deviceList, haveMultiView);
+	obs_property_set_visible(multiViewEnable, haveMultiView);
+	obs_property_set_visible(multiViewAudioSources, haveMultiView);
+
+	return props;
+}
+
+void AJAOutputUI::MiscPropertiesChanged()
+{
+	SaveSettings(kMiscPropsFilename, miscPropertiesView->GetSettings());
+}
+
+void AJAOutputUI::SetCardManager(aja::CardManager *cm)
+{
+	cardManager = cm;
+}
+
+aja::CardManager *AJAOutputUI::GetCardManager()
+{
+	return cardManager;
+}
+
+void AJAOutputUI::SetupMiscPropertiesView()
+{
+	if (miscPropertiesView)
+		delete miscPropertiesView;
+
+	obs_data_t *settings = obs_data_create();
+	OBSData data = load_settings(kMiscPropsFilename);
+	if (data) {
+		obs_data_apply(settings, data);
+	}
+
+	miscPropertiesView = new OBSPropertiesView(settings, this, (PropertiesReloadCallback)create_misc_props_ui,
+						   nullptr, nullptr, 170);
+
+	ui->miscPropertiesLayout->addWidget(miscPropertiesView);
+	obs_data_release(settings);
+	connect(miscPropertiesView, &OBSPropertiesView::Changed, this, &AJAOutputUI::MiscPropertiesChanged);
+}

frontend/plugins/aja-output-ui/AJAOutputUI.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <QDialog>
+#include <properties-view.hpp>
+
+#include "ui_output.h"
+
+namespace aja {
+class CardManager;
+}
+
+class AJAOutputUI : public QDialog {
+	Q_OBJECT
+private:
+	OBSPropertiesView *propertiesView;
+	OBSPropertiesView *previewPropertiesView;
+	OBSPropertiesView *miscPropertiesView;
+	aja::CardManager *cardManager;
+public slots:
+	void on_outputButton_clicked();
+	void PropertiesChanged();
+	void OutputStateChanged(bool);
+
+	void on_previewOutputButton_clicked();
+	void PreviewPropertiesChanged();
+	void PreviewOutputStateChanged(bool);
+
+	void MiscPropertiesChanged();
+
+public:
+	std::unique_ptr<Ui_Output> ui;
+	AJAOutputUI(QWidget *parent);
+
+	void SetCardManager(aja::CardManager *cm);
+	aja::CardManager *GetCardManager();
+
+	void ShowHideDialog();
+	void SaveSettings(const char *filename, obs_data_t *settings);
+	void SetupPropertiesView();
+	void SetupPreviewPropertiesView();
+	void SetupMiscPropertiesView();
+};

frontend/plugins/aja-output-ui/CMakeLists.txt

@@ -0,0 +1,70 @@
+cmake_minimum_required(VERSION 3.28...3.30)
+
+if(NOT ENABLE_AJA)
+  target_disable(aja-output-ui)
+  return()
+endif()
+
+find_package(LibAJANTV2 REQUIRED)
+
+find_package(Qt6 REQUIRED Widgets)
+
+if(OS_LINUX OR OS_FREEBSD OR OS_OPENBSD)
+  find_package(Qt6 REQUIRED Gui)
+
+  find_package(X11 REQUIRED)
+endif()
+
+if(NOT TARGET OBS::aja-support)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/plugins/aja" "${CMAKE_BINARY_DIR}/plugins/aja")
+endif()
+
+if(NOT TARGET OBS::properties-view)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/shared/properties-view" "${CMAKE_BINARY_DIR}/shared/properties-view")
+endif()
+
+add_library(aja-output-ui MODULE)
+add_library(OBS::aja-output-ui ALIAS aja-output-ui)
+
+target_sources(aja-output-ui PRIVATE aja-ui-main.cpp aja-ui-main.h AJAOutputUI.cpp AJAOutputUI.h)
+
+target_sources(aja-output-ui PRIVATE forms/output.ui)
+
+target_compile_options(
+  aja-output-ui
+  PRIVATE
+    $<$<COMPILE_LANG_AND_ID:CXX,AppleClang,Clang>:-Wno-deprecated-declarations>
+    $<$<COMPILE_LANG_AND_ID:CXX,AppleClang,Clang>:-Wno-quoted-include-in-framework-header>
+)
+
+target_link_libraries(
+  aja-output-ui
+  PRIVATE
+    OBS::libobs
+    OBS::aja-support
+    OBS::frontend-api
+    OBS::properties-view
+    Qt::Widgets
+    AJA::LibAJANTV2
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:X11::X11>
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:Qt::GuiPrivate>
+)
+
+target_link_options(aja-output-ui PRIVATE $<$<PLATFORM_ID:Windows>:/IGNORE:4099>)
+
+if(OS_WINDOWS)
+  configure_file(cmake/windows/obs-module.rc.in aja-output-ui.rc)
+  target_sources(aja-output-ui PRIVATE aja-output-ui.rc)
+
+  set_property(TARGET aja-output-ui APPEND PROPERTY AUTORCC_OPTIONS --format-version 1)
+endif()
+
+set_target_properties_obs(
+  aja-output-ui
+  PROPERTIES FOLDER frontend
+             PREFIX ""
+             AUTOMOC ON
+             AUTOUIC ON
+             AUTORCC ON
+             AUTOUIC_SEARCH_PATHS forms
+)

frontend/plugins/aja-output-ui/aja-ui-main.cpp

@@ -0,0 +1,430 @@
+#include "aja-ui-main.h"
+#include "AJAOutputUI.h"
+
+#include "../../../plugins/aja/aja-ui-props.hpp"
+#include "../../../plugins/aja/aja-card-manager.hpp"
+#include "../../../plugins/aja/aja-routing.hpp"
+
+#include <obs-module.h>
+#include <obs-frontend-api.h>
+#include <QMainWindow>
+#include <QAction>
+#include <util/util.hpp>
+#include <util/platform.h>
+#include <media-io/video-io.h>
+#include <media-io/video-frame.h>
+#include <ajantv2/includes/ntv2devicescanner.h>
+
+OBS_DECLARE_MODULE()
+OBS_MODULE_USE_DEFAULT_LOCALE("aja-output-ui", "en-US")
+
+static aja::CardManager *cardManager = nullptr;
+static AJAOutputUI *ajaOutputUI = nullptr;
+static obs_output_t *output = nullptr;
+
+bool main_output_running = false;
+bool preview_output_running = false;
+
+struct preview_output {
+	bool enabled;
+	obs_source_t *current_source;
+	obs_output_t *output;
+
+	video_t *video_queue;
+	gs_texrender_t *texrender;
+	gs_stagesurf_t *stagesurface;
+	uint8_t *video_data;
+	uint32_t video_linesize;
+
+	obs_video_info ovi;
+};
+
+static struct preview_output context = {0};
+
+OBSData load_settings(const char *filename)
+{
+	BPtr<char> path = obs_module_get_config_path(obs_current_module(), filename);
+	BPtr<char> jsonData = os_quick_read_utf8_file(path);
+	if (!!jsonData) {
+		obs_data_t *data = obs_data_create_from_json(jsonData);
+		OBSData dataRet(data);
+		obs_data_release(data);
+
+		return dataRet;
+	}
+
+	return nullptr;
+}
+
+void output_stop()
+{
+	obs_output_stop(output);
+	obs_output_release(output);
+	main_output_running = false;
+	ajaOutputUI->OutputStateChanged(false);
+}
+
+void output_start()
+{
+	OBSData settings = load_settings(kProgramPropsFilename);
+
+	if (settings != nullptr) {
+		output = obs_output_create("aja_output", kProgramOutputID, settings, NULL);
+
+		bool started = obs_output_start(output);
+		obs_data_release(settings);
+
+		main_output_running = started;
+
+		ajaOutputUI->OutputStateChanged(started);
+
+		if (!started)
+			output_stop();
+	}
+}
+
+void output_toggle()
+{
+	if (main_output_running)
+		output_stop();
+	else
+		output_start();
+}
+
+void on_preview_scene_changed(enum obs_frontend_event event, void *param);
+void render_preview_source(void *param, uint32_t cx, uint32_t cy);
+
+void preview_output_stop()
+{
+	obs_output_stop(context.output);
+	obs_output_release(context.output);
+
+	obs_remove_main_render_callback(render_preview_source, &context);
+	obs_frontend_remove_event_callback(on_preview_scene_changed, &context);
+
+	obs_source_release(context.current_source);
+
+	obs_enter_graphics();
+	gs_stagesurface_destroy(context.stagesurface);
+	gs_texrender_destroy(context.texrender);
+	obs_leave_graphics();
+
+	video_output_close(context.video_queue);
+
+	preview_output_running = false;
+	ajaOutputUI->PreviewOutputStateChanged(false);
+}
+
+void preview_output_start()
+{
+	OBSData settings = load_settings(kPreviewPropsFilename);
+
+	if (settings != nullptr) {
+		context.output = obs_output_create("aja_output", kPreviewOutputID, settings, NULL);
+
+		obs_get_video_info(&context.ovi);
+
+		uint32_t width = context.ovi.base_width;
+		uint32_t height = context.ovi.base_height;
+
+		obs_enter_graphics();
+		context.texrender = gs_texrender_create(GS_BGRA, GS_ZS_NONE);
+		context.stagesurface = gs_stagesurface_create(width, height, GS_BGRA);
+		obs_leave_graphics();
+
+		const video_output_info *mainVOI = video_output_get_info(obs_get_video());
+
+		video_output_info vi = {0};
+		vi.format = VIDEO_FORMAT_BGRA;
+		vi.width = width;
+		vi.height = height;
+		vi.fps_den = context.ovi.fps_den;
+		vi.fps_num = context.ovi.fps_num;
+		vi.cache_size = 16;
+		vi.colorspace = mainVOI->colorspace;
+		vi.range = mainVOI->range;
+		vi.name = kPreviewOutputID;
+
+		video_output_open(&context.video_queue, &vi);
+
+		obs_frontend_add_event_callback(on_preview_scene_changed, &context);
+		if (obs_frontend_preview_program_mode_active()) {
+			context.current_source = obs_frontend_get_current_preview_scene();
+		} else {
+			context.current_source = obs_frontend_get_current_scene();
+		}
+		obs_add_main_render_callback(render_preview_source, &context);
+
+		obs_output_set_media(context.output, context.video_queue, obs_get_audio());
+		bool started = obs_output_start(context.output);
+
+		obs_data_release(settings);
+
+		preview_output_running = started;
+		ajaOutputUI->PreviewOutputStateChanged(started);
+
+		if (!started)
+			preview_output_stop();
+	}
+}
+
+void preview_output_toggle()
+{
+	if (preview_output_running)
+		preview_output_stop();
+	else
+		preview_output_start();
+}
+
+void populate_misc_device_list(obs_property_t *list, aja::CardManager *cardManager, NTV2DeviceID &firstDeviceID)
+{
+	for (const auto &iter : *cardManager) {
+		if (!iter.second)
+			continue;
+		if (firstDeviceID == DEVICE_ID_NOTFOUND)
+			firstDeviceID = iter.second->GetDeviceID();
+		obs_property_list_add_string(list, iter.second->GetDisplayName().c_str(),
+					     iter.second->GetCardID().c_str());
+	}
+}
+
+void populate_multi_view_audio_sources(obs_property_t *list, NTV2DeviceID id)
+{
+	obs_property_list_clear(list);
+	const QList<NTV2InputSource> kMultiViewAudioInputs = {
+		NTV2_INPUTSOURCE_SDI1,
+		NTV2_INPUTSOURCE_SDI2,
+		NTV2_INPUTSOURCE_SDI3,
+		NTV2_INPUTSOURCE_SDI4,
+	};
+	for (const auto &inp : kMultiViewAudioInputs) {
+		if (NTV2DeviceCanDoInputSource(id, inp)) {
+			std::string inputSourceStr = NTV2InputSourceToString(inp, true);
+			obs_property_list_add_int(list, inputSourceStr.c_str(), (long long)inp);
+		}
+	}
+}
+
+bool on_misc_device_selected(void *data, obs_properties_t *props, obs_property_t *, obs_data_t *settings)
+{
+	const char *cardID = obs_data_get_string(settings, kUIPropDevice.id);
+	if (!cardID || !cardID[0])
+		return false;
+	aja::CardManager *cardManager = (aja::CardManager *)data;
+	if (!cardManager)
+		return false;
+	auto cardEntry = cardManager->GetCardEntry(cardID);
+	if (!cardEntry)
+		return false;
+
+	NTV2DeviceID deviceID = cardEntry->GetDeviceID();
+	bool enableMultiViewUI = NTV2DeviceCanDoHDMIMultiView(deviceID);
+	obs_property_t *multiViewCheckbox = obs_properties_get(props, kUIPropMultiViewEnable.id);
+	obs_property_t *multiViewAudioSource = obs_properties_get(props, kUIPropMultiViewAudioSource.id);
+	populate_multi_view_audio_sources(multiViewAudioSource, deviceID);
+	obs_property_set_enabled(multiViewCheckbox, enableMultiViewUI);
+	obs_property_set_enabled(multiViewAudioSource, enableMultiViewUI);
+	return true;
+}
+
+static void toggle_multi_view(CNTV2Card *card, NTV2InputSource src, bool enable)
+{
+	std::ostringstream oss;
+	for (int i = 0; i < 4; i++) {
+		std::string datastream = std::to_string(i);
+		oss << "sdi[" << datastream << "][0]->hdmi[0][" << datastream << "];";
+	}
+
+	NTV2DeviceID deviceId = card->GetDeviceID();
+	NTV2AudioSystem audioSys = NTV2InputSourceToAudioSystem(src);
+	if (NTV2DeviceCanDoHDMIMultiView(deviceId)) {
+		NTV2XptConnections cnx;
+		if (aja::Routing::ParseRouteString(oss.str(), cnx)) {
+			card->SetMultiRasterBypassEnable(!enable);
+			if (enable) {
+				card->ApplySignalRoute(cnx, false);
+				if (NTV2DeviceCanDoAudioMixer(deviceId)) {
+					card->SetAudioMixerInputAudioSystem(NTV2_AudioMixerInputMain, audioSys);
+					card->SetAudioMixerInputChannelSelect(NTV2_AudioMixerInputMain,
+									      NTV2_AudioChannel1_2);
+					card->SetAudioMixerInputChannelsMute(NTV2_AudioMixerInputAux1,
+									     NTV2AudioChannelsMuteAll);
+					card->SetAudioMixerInputChannelsMute(NTV2_AudioMixerInputAux2,
+									     NTV2AudioChannelsMuteAll);
+				}
+				card->SetAudioLoopBack(NTV2_AUDIO_LOOPBACK_ON, audioSys);
+				card->SetAudioOutputMonitorSource(NTV2_AudioChannel1_2, audioSys);
+				card->SetHDMIOutAudioChannels(NTV2_HDMIAudio8Channels);
+				card->SetHDMIOutAudioSource2Channel(NTV2_AudioChannel1_2, audioSys);
+				card->SetHDMIOutAudioSource8Channel(NTV2_AudioChannel1_8, audioSys);
+			} else {
+				card->RemoveConnections(cnx);
+			}
+		}
+	}
+}
+
+bool on_multi_view_toggle(void *data, obs_properties_t *, obs_property_t *, obs_data_t *settings)
+{
+	bool multiViewEnabled = obs_data_get_bool(settings, kUIPropMultiViewEnable.id) && !main_output_running &&
+				!preview_output_running;
+	const int audioInputSource = obs_data_get_int(settings, kUIPropMultiViewAudioSource.id);
+	const char *cardID = obs_data_get_string(settings, kUIPropDevice.id);
+	if (!cardID || !cardID[0])
+		return false;
+	aja::CardManager *cardManager = (aja::CardManager *)data;
+	if (!cardManager)
+		return false;
+	CNTV2Card *card = cardManager->GetCard(cardID);
+	if (!card)
+		return false;
+
+	NTV2InputSource inputSource = (NTV2InputSource)audioInputSource;
+	toggle_multi_view(card, inputSource, multiViewEnabled);
+
+	return true;
+}
+
+// MISC PROPS
+
+void on_preview_scene_changed(enum obs_frontend_event event, void *param)
+{
+	auto ctx = (struct preview_output *)param;
+	switch (event) {
+	case OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED:
+	case OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED:
+		obs_source_release(ctx->current_source);
+		ctx->current_source = obs_frontend_get_current_preview_scene();
+		break;
+	case OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED:
+		obs_source_release(ctx->current_source);
+		ctx->current_source = obs_frontend_get_current_scene();
+		break;
+	case OBS_FRONTEND_EVENT_SCENE_CHANGED:
+		if (!obs_frontend_preview_program_mode_active()) {
+			obs_source_release(ctx->current_source);
+			ctx->current_source = obs_frontend_get_current_scene();
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+void render_preview_source(void *param, uint32_t, uint32_t)
+{
+	auto ctx = (struct preview_output *)param;
+
+	if (!ctx->current_source)
+		return;
+
+	uint32_t width = obs_source_get_base_width(ctx->current_source);
+	uint32_t height = obs_source_get_base_height(ctx->current_source);
+
+	gs_texrender_reset(ctx->texrender);
+
+	if (gs_texrender_begin(ctx->texrender, width, height)) {
+		struct vec4 background;
+		vec4_zero(&background);
+
+		gs_clear(GS_CLEAR_COLOR, &background, 0.0f, 0);
+		gs_ortho(0.0f, (float)width, 0.0f, (float)height, -100.0f, 100.0f);
+
+		gs_blend_state_push();
+		gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
+
+		obs_source_video_render(ctx->current_source);
+
+		gs_blend_state_pop();
+		gs_texrender_end(ctx->texrender);
+
+		struct video_frame output_frame;
+		if (video_output_lock_frame(ctx->video_queue, &output_frame, 1, os_gettime_ns())) {
+			gs_stage_texture(ctx->stagesurface, gs_texrender_get_texture(ctx->texrender));
+
+			if (gs_stagesurface_map(ctx->stagesurface, &ctx->video_data, &ctx->video_linesize)) {
+				uint32_t linesize = output_frame.linesize[0];
+				for (uint32_t i = 0; i < ctx->ovi.base_height; i++) {
+					uint32_t dst_offset = linesize * i;
+					uint32_t src_offset = ctx->video_linesize * i;
+					memcpy(output_frame.data[0] + dst_offset, ctx->video_data + src_offset,
+					       linesize);
+				}
+
+				gs_stagesurface_unmap(ctx->stagesurface);
+				ctx->video_data = nullptr;
+			}
+
+			video_output_unlock_frame(ctx->video_queue);
+		}
+	}
+}
+
+void addOutputUI(void)
+{
+	QAction *action = (QAction *)obs_frontend_add_tools_menu_qaction("AJA I/O Device Output");
+
+	QMainWindow *window = (QMainWindow *)obs_frontend_get_main_window();
+
+	obs_frontend_push_ui_translation(obs_module_get_string);
+	ajaOutputUI = new AJAOutputUI(window);
+	obs_frontend_pop_ui_translation();
+
+	auto cb = []() {
+		ajaOutputUI->ShowHideDialog();
+	};
+
+	action->connect(action, &QAction::triggered, cb);
+}
+
+static void OBSEvent(enum obs_frontend_event event, void *)
+{
+	if (event == OBS_FRONTEND_EVENT_FINISHED_LOADING) {
+		OBSData settings = load_settings(kProgramPropsFilename);
+		if (settings && obs_data_get_bool(settings, kUIPropAutoStartOutput.id))
+			output_start();
+
+		OBSData previewSettings = load_settings(kPreviewPropsFilename);
+		if (previewSettings && obs_data_get_bool(previewSettings, kUIPropAutoStartOutput.id))
+			preview_output_start();
+
+		OBSData miscSettings = load_settings(kMiscPropsFilename);
+		if (miscSettings && ajaOutputUI) {
+			on_multi_view_toggle(ajaOutputUI->GetCardManager(), nullptr, nullptr, miscSettings);
+		}
+	} else if (event == OBS_FRONTEND_EVENT_EXIT) {
+		if (main_output_running)
+			output_stop();
+		if (preview_output_running)
+			preview_output_stop();
+	}
+}
+
+static void aja_loaded(void * /* data */, calldata_t *calldata)
+{
+	// Receive CardManager pointer from the main AJA plugin
+	calldata_get_ptr(calldata, "card_manager", &cardManager);
+	if (ajaOutputUI)
+		ajaOutputUI->SetCardManager(cardManager);
+}
+
+bool obs_module_load(void)
+{
+	CNTV2DeviceScanner scanner;
+	auto numDevices = scanner.GetNumDevices();
+	if (numDevices == 0) {
+		blog(LOG_WARNING, "No AJA devices found, skipping loading AJA UI plugin");
+		return false;
+	}
+
+	// Signal to wait for AJA plugin to finish loading so we can access the CardManager instance
+	auto signal_handler = obs_get_signal_handler();
+	signal_handler_add(signal_handler, "void aja_loaded(ptr card_manager)");
+	signal_handler_connect(signal_handler, "aja_loaded", aja_loaded, nullptr);
+
+	addOutputUI();
+
+	obs_frontend_add_event_callback(OBSEvent, nullptr);
+
+	return true;
+}

frontend/plugins/aja-output-ui/aja-ui-main.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <obs.hpp>
+
+#include <ajantv2/includes/ntv2enums.h>
+namespace aja {
+class CardManager;
+}
+
+static const char *kProgramPropsFilename = "ajaOutputProps.json";
+static const char *kPreviewPropsFilename = "ajaPreviewOutputProps.json";
+static const char *kMiscPropsFilename = "ajaMiscProps.json";
+
+OBSData load_settings(const char *filename);
+void output_toggle();
+void preview_output_toggle();
+void populate_misc_device_list(obs_property_t *list, aja::CardManager *cardManager, NTV2DeviceID &firstDeviceID);
+void populate_multi_view_audio_sources(obs_property_t *list, NTV2DeviceID id);
+bool on_misc_device_selected(void *data, obs_properties_t *props, obs_property_t *list, obs_data_t *settings);
+bool on_multi_view_toggle(void *data, obs_properties_t *props, obs_property_t *list, obs_data_t *settings);

frontend/plugins/aja-output-ui/cmake/windows/obs-module.rc.in

@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION ${OBS_VERSION_MAJOR},${OBS_VERSION_MINOR},${OBS_VERSION_PATCH},0
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904B0"
+    BEGIN
+      VALUE "CompanyName", "${OBS_COMPANY_NAME}"
+      VALUE "FileDescription", "OBS AJA Output UI"
+      VALUE "FileVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "ProductName", "${OBS_PRODUCT_NAME}"
+      VALUE "ProductVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "Comments", "${OBS_COMMENTS}"
+      VALUE "LegalCopyright", "${OBS_LEGAL_COPYRIGHT}"
+      VALUE "InternalName", "aja-output-ui"
+      VALUE "OriginalFilename", "aja-output-ui"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 0x04B0
+  END
+END

frontend/plugins/aja-output-ui/data/locale/af-ZA.ini

@@ -0,0 +1,4 @@
+AJAOutput.Device="AJA I/O-toestelafvoer"
+AJAOutput.ProgramOutput="Programafvoer"
+AJAOutput.PreviewOutput="Voorskou-afvoer"
+AJAOutput.MiscOutput="Bykomende instellings"

frontend/plugins/aja-output-ui/data/locale/ar-SA.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="مَخرج جهاز AJA I/O"
+AJAOutput.ProgramOutput="مَخرج البرنامج"
+AJAOutput.PreviewOutput="مَخرج المعاينة"
+AJAOutput.MiscOutput="إعدادات إضافية"
+AJAOutput.MultiViewEnable="تمكين عرض متعدد"
+AJAOutput.MultiViewAudioSource="مصدر الصوت للعرض المتعدد"

frontend/plugins/aja-output-ui/data/locale/az-AZ.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Cihaz Çıxışı"
+AJAOutput.ProgramOutput="Proqram çıxışı"
+AJAOutput.PreviewOutput="Önizləmə çıxışı"
+AJAOutput.MiscOutput="Əlavə Parametrlər"
+AJAOutput.MultiViewEnable="Çoxlu Görünüşü Aktivləşdir"
+AJAOutput.MultiViewAudioSource="Çoxbaxışlı Səs Mənbəsi"

frontend/plugins/aja-output-ui/data/locale/be-BY.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Захоп прылады AJA I/O"
+AJAOutput.ProgramOutput="Праграмны вывад"
+AJAOutput.PreviewOutput="Прадпрагляд вываду"
+AJAOutput.MiscOutput="Дадатковыя налады"
+AJAOutput.MultiViewEnable="Уключыць мультыпрагляд"
+AJAOutput.MultiViewAudioSource="Мультыпрагляд крыніц аўдыя"

frontend/plugins/aja-output-ui/data/locale/bg-BG.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Изход на устройството AJA I/O"
+AJAOutput.ProgramOutput="Програмен изход"
+AJAOutput.PreviewOutput="Нагледно изхода"
+AJAOutput.MiscOutput="Допълнителни настройки"
+AJAOutput.MultiViewEnable="Включване на множко изгледи"
+AJAOutput.MultiViewAudioSource="Източник на звука за множко изгледи"

frontend/plugins/aja-output-ui/data/locale/ca-ES.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Dispositiu de sortida d'E/S AJA"
+AJAOutput.ProgramOutput="Sortida del programa"
+AJAOutput.PreviewOutput="Sortida de la vista prèvia"
+AJAOutput.MiscOutput="Configuració addicional"
+AJAOutput.MultiViewEnable="Habilita la visualització múltiple"
+AJAOutput.MultiViewAudioSource="Font d'àudio de visualització múltiple"

frontend/plugins/aja-output-ui/data/locale/cs-CZ.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Výstup AJA I/O zařízení"
+AJAOutput.ProgramOutput="Výstup programu"
+AJAOutput.PreviewOutput="Náhled výstupu"
+AJAOutput.MiscOutput="Další nastavení"
+AJAOutput.MultiViewEnable="Povolit Multiview"
+AJAOutput.MultiViewAudioSource="Zdroj zvuku pro Multiview"

frontend/plugins/aja-output-ui/data/locale/da-DK.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O-enhedsoutput"
+AJAOutput.ProgramOutput="Programoutput"
+AJAOutput.PreviewOutput="Forhåndsvisningsoutput"
+AJAOutput.MiscOutput="Yderligere indstillinger"
+AJAOutput.MultiViewEnable="Aktivér Multivisning"
+AJAOutput.MultiViewAudioSource="Multivisning Lydkilde"

frontend/plugins/aja-output-ui/data/locale/de-DE.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA-I/O-Geräteausgabe"
+AJAOutput.ProgramOutput="Programmausgabe"
+AJAOutput.PreviewOutput="Vorschauausgabe"
+AJAOutput.MiscOutput="Weitere Einstellungen"
+AJAOutput.MultiViewEnable="Multiview aktivieren"
+AJAOutput.MultiViewAudioSource="Multiview-Audioquelle"

frontend/plugins/aja-output-ui/data/locale/el-GR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Συσκευή εξόδου I/O AJA"
+AJAOutput.ProgramOutput="Έξοδος Προγράμματος"
+AJAOutput.PreviewOutput="Προεπισκόπηση Εξόδου"
+AJAOutput.MiscOutput="Πρόσθετες Ρυθμίσεις"
+AJAOutput.MultiViewEnable="Ενεργοποίηση Πολλαπλής Προβολής"
+AJAOutput.MultiViewAudioSource="Πηγή Ήχου Πολλαπλής Προβολής"

frontend/plugins/aja-output-ui/data/locale/en-GB.ini

@@ -0,0 +1 @@
+#

frontend/plugins/aja-output-ui/data/locale/en-US.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Device Output"
+AJAOutput.ProgramOutput="Program Output"
+AJAOutput.PreviewOutput="Preview Output"
+AJAOutput.MiscOutput="Additional Settings"
+AJAOutput.MultiViewEnable="Enable Multi View"
+AJAOutput.MultiViewAudioSource="Multi View Audio Source"

frontend/plugins/aja-output-ui/data/locale/es-ES.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Salida de dispositivo de E/S AJA"
+AJAOutput.ProgramOutput="Salida del programa"
+AJAOutput.PreviewOutput="Salida de la vista previa"
+AJAOutput.MiscOutput="Ajustes adicionales"
+AJAOutput.MultiViewEnable="Habilitar vista múltiple"
+AJAOutput.MultiViewAudioSource="Fuente de audio de la vista múltiple"

frontend/plugins/aja-output-ui/data/locale/et-EE.ini

@@ -0,0 +1,3 @@
+AJAOutput.ProgramOutput="Programmi väljund"
+AJAOutput.PreviewOutput="Eelvaate väljund"
+AJAOutput.MiscOutput="Lisaseaded"

frontend/plugins/aja-output-ui/data/locale/eu-ES.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Irteera pantaila-argazki gailua"
+AJAOutput.ProgramOutput="Irteera programa"
+AJAOutput.PreviewOutput="Irteera aurrerakina"
+AJAOutput.MiscOutput="Ezarpen gehigarriak"
+AJAOutput.MultiViewEnable="Ikuspuntu anizkoitza baimendu"
+AJAOutput.MultiViewAudioSource="Entzunezko iturburuaren ikuspuntu anizkoitza"

frontend/plugins/aja-output-ui/data/locale/fa-IR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="خروجی دستگاه و/خ AJA"
+AJAOutput.ProgramOutput="خروجی برنامه"
+AJAOutput.PreviewOutput="پیش نمایش خروجی"
+AJAOutput.MiscOutput="تنظیمات اضافی"
+AJAOutput.MultiViewEnable="چند نمای را فعال کنید"
+AJAOutput.MultiViewAudioSource="منبع صوتی چند نما"

frontend/plugins/aja-output-ui/data/locale/fi-FI.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O -laitteen ulostulo"
+AJAOutput.ProgramOutput="Ohjelman ulostulo"
+AJAOutput.PreviewOutput="Esikatselun ulostulo"
+AJAOutput.MiscOutput="Lisäasetukset"
+AJAOutput.MultiViewEnable="Ota moninäkymä käyttöön"
+AJAOutput.MultiViewAudioSource="Moninäkymän äänilähde"

frontend/plugins/aja-output-ui/data/locale/fil-PH.ini

@@ -0,0 +1,3 @@
+AJAOutput.PreviewOutput="Silipin Ang Output"
+AJAOutput.MiscOutput="Karagdagang kaayusan"
+AJAOutput.MultiViewEnable="Paganahin ang Multi View"

frontend/plugins/aja-output-ui/data/locale/fr-FR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Périphérique de sortie I/O AJA"
+AJAOutput.ProgramOutput="Sortie du programme"
+AJAOutput.PreviewOutput="Sortie de l'aperçu"
+AJAOutput.MiscOutput="Paramètres supplémentaires"
+AJAOutput.MultiViewEnable="Activer Multi View"
+AJAOutput.MultiViewAudioSource="Source audio de la sortie Multi View"

frontend/plugins/aja-output-ui/data/locale/gl-ES.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Dispositivo de Saida AJA I/O"
+AJAOutput.ProgramOutput="Programa saida"
+AJAOutput.PreviewOutput="Mostrar a Saida"
+AJAOutput.MiscOutput="Configuracions adiccionais"
+AJAOutput.MultiViewEnable="Activar Multiples Vistas"
+AJAOutput.MultiViewAudioSource="Fonte de son Multi vistas"

frontend/plugins/aja-output-ui/data/locale/he-IL.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="פלט התקן AJA I/O"
+AJAOutput.ProgramOutput="פלט תכנית"
+AJAOutput.PreviewOutput="פלט תצוגה מקדימה"
+AJAOutput.MiscOutput="הגדרות נוספות"
+AJAOutput.MultiViewEnable="הפעלת ריבוי תצוגות"
+AJAOutput.MultiViewAudioSource="מקור שמע של ריבוי תצוגות"

frontend/plugins/aja-output-ui/data/locale/hi-IN.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O डिवाइस आउटपुट"
+AJAOutput.ProgramOutput="प्रोग्राम आउटपुट"
+AJAOutput.PreviewOutput="पूर्वावलोकन आउटपुट"
+AJAOutput.MiscOutput="अतिरिक्त सेटिंग"
+AJAOutput.MultiViewEnable="अनेक दृश्य सक्षम करें"
+AJAOutput.MultiViewAudioSource="अनेक दृश्य ऑडियो स्रोत"

frontend/plugins/aja-output-ui/data/locale/hr-HR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Pretpregled AJA I/O uređaja "
+AJAOutput.ProgramOutput="Pretpregled programa"
+AJAOutput.PreviewOutput="Pretpregled izlaznog rezultata"
+AJAOutput.MiscOutput="Dodatne postavke"
+AJAOutput.MultiViewEnable="Omogući višestruki prikaz"
+AJAOutput.MultiViewAudioSource="Višestruki prikaz zvučnog izvora "

frontend/plugins/aja-output-ui/data/locale/hu-HU.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O eszközkimenet"
+AJAOutput.ProgramOutput="Programkimenet"
+AJAOutput.PreviewOutput="Előnézeti kimenet"
+AJAOutput.MiscOutput="További beállítások"
+AJAOutput.MultiViewEnable="Több nézet engedélyezése"
+AJAOutput.MultiViewAudioSource="Több nézet hangforrása"

frontend/plugins/aja-output-ui/data/locale/hy-AM.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O սարքի ելք"
+AJAOutput.ProgramOutput="Ծրագրային Ելքագրում"
+AJAOutput.PreviewOutput="Նախադիտման արդյունքը"
+AJAOutput.MiscOutput="Լրացուցիչ կարգավորումներ"
+AJAOutput.MultiViewEnable="Միացնել Բազմակի դիտումը"
+AJAOutput.MultiViewAudioSource="Բազմակի դիտումի աուդիոի աղբյուր"

frontend/plugins/aja-output-ui/data/locale/id-ID.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Perangkat Keluaran AJA I/O"
+AJAOutput.ProgramOutput="Keluaran Program"
+AJAOutput.PreviewOutput="Keluaran Pratinjau"
+AJAOutput.MiscOutput="Pengaturan Tambahan"
+AJAOutput.MultiViewEnable="Aktifkan Tampilan Ganda"
+AJAOutput.MultiViewAudioSource="Tampilan Sumber Suara Ganda"

frontend/plugins/aja-output-ui/data/locale/it-IT.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Dispositivo AJA I/O di uscita"
+AJAOutput.ProgramOutput="Programma di uscita"
+AJAOutput.PreviewOutput="Anteprima di uscita"
+AJAOutput.MiscOutput="Ulteriori impostazioni"
+AJAOutput.MultiViewEnable="Abilita Visualizzazione Multipla"
+AJAOutput.MultiViewAudioSource="Visualizzazione multipla della sorgente audio"

frontend/plugins/aja-output-ui/data/locale/ja-JP.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O デバイス出力"
+AJAOutput.ProgramOutput="プログラム出力"
+AJAOutput.PreviewOutput="プレビュー出力"
+AJAOutput.MiscOutput="詳細設定"
+AJAOutput.MultiViewEnable="マルチビューを有効にする"
+AJAOutput.MultiViewAudioSource="マルチビュー 音声ソース"

frontend/plugins/aja-output-ui/data/locale/ka-GE.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA-I/O-მოწყობილობით გამოტანა"
+AJAOutput.ProgramOutput="პროგრამის გამოტანა"
+AJAOutput.PreviewOutput="შეთვალიერების გამოტანა"
+AJAOutput.MiscOutput="დამატებითი პარამეტრები"
+AJAOutput.MultiViewEnable="მრავალხედიანის ჩართვა"
+AJAOutput.MultiViewAudioSource="მრავალხედიანი ხმოვანი წყარო"

frontend/plugins/aja-output-ui/data/locale/kaa.ini

@@ -0,0 +1 @@
+AJAOutput.MiscOutput="Qosımsha sazlawlar"

frontend/plugins/aja-output-ui/data/locale/kmr-TR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Derana amûrê AJA I/O"
+AJAOutput.ProgramOutput="Derana bernameyê"
+AJAOutput.PreviewOutput="Derana pêşdîtinê"
+AJAOutput.MiscOutput="Sazkariyên vebijêrkî"
+AJAOutput.MultiViewEnable="Pir dîtin çalak bike"
+AJAOutput.MultiViewAudioSource="Çavkaniya dengê ya pir dîtin"

frontend/plugins/aja-output-ui/data/locale/ko-KR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O 디바이스 출력"
+AJAOutput.ProgramOutput="프로그램 출력"
+AJAOutput.PreviewOutput="미리보기 출력"
+AJAOutput.MiscOutput="추가 설정"
+AJAOutput.MultiViewEnable="다중 화면 활성화"
+AJAOutput.MultiViewAudioSource="다중 화면 오디오 소스"

frontend/plugins/aja-output-ui/data/locale/ms-MY.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Output Peranti I/O AJA"
+AJAOutput.ProgramOutput="Output Program"
+AJAOutput.PreviewOutput="Output Pratonton"
+AJAOutput.MiscOutput="Tetapan Tambahan"
+AJAOutput.MultiViewEnable="Benarkan Pandangan Berbilang"
+AJAOutput.MultiViewAudioSource="Sumber Audio Pandangan Berbilang"

frontend/plugins/aja-output-ui/data/locale/nb-NO.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Enhet Utgang"
+AJAOutput.ProgramOutput="Program Utgang"
+AJAOutput.PreviewOutput="Forhåndsvis Utgang"
+AJAOutput.MiscOutput="Tilleggsinnstillinger"
+AJAOutput.MultiViewEnable="Aktiver flervisning"
+AJAOutput.MultiViewAudioSource="Flere viser lydkilde"

frontend/plugins/aja-output-ui/data/locale/nl-NL.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Apparaat Uitvoer"
+AJAOutput.ProgramOutput="Programma Uitvoer"
+AJAOutput.PreviewOutput="Preview uitvoer"
+AJAOutput.MiscOutput="Aanvullende instellingen"
+AJAOutput.MultiViewEnable="Multi weergave inschakelen"
+AJAOutput.MultiViewAudioSource="Multi weergave audiobron"

frontend/plugins/aja-output-ui/data/locale/pl-PL.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Wyjście AJA I/O"
+AJAOutput.ProgramOutput="Wyjście w aplikacji"
+AJAOutput.PreviewOutput="Podgląd wyjścia"
+AJAOutput.MiscOutput="Dodatkowe ustawienia"
+AJAOutput.MultiViewEnable="Włącz Multiview"
+AJAOutput.MultiViewAudioSource="Źródło dźwięku Multiview"

frontend/plugins/aja-output-ui/data/locale/pt-BR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Saída do dispositivo I/O AJA"
+AJAOutput.ProgramOutput="Saída do programa"
+AJAOutput.PreviewOutput="Saída da pré-visualização"
+AJAOutput.MiscOutput="Configurações adicionais"
+AJAOutput.MultiViewEnable="Habilitar visualização múltipla"
+AJAOutput.MultiViewAudioSource="Fonte de áudio da visualização múltipla"

frontend/plugins/aja-output-ui/data/locale/pt-PT.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Dispositivo de saída AJA I/O"
+AJAOutput.ProgramOutput="Saída do Programa"
+AJAOutput.PreviewOutput="Saída de antevisão"
+AJAOutput.MiscOutput="Definições adicionais"
+AJAOutput.MultiViewEnable="Ativar multivisualização"
+AJAOutput.MultiViewAudioSource="Fonte de áudio de multivisualização"

frontend/plugins/aja-output-ui/data/locale/ro-RO.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Outputul dispozitivului AJA I/O"
+AJAOutput.ProgramOutput="Outputul programului"
+AJAOutput.PreviewOutput="Previzualizarea outputului"
+AJAOutput.MiscOutput="Setări adiționale"
+AJAOutput.MultiViewEnable="Activează vizualizarea multiplă"
+AJAOutput.MultiViewAudioSource="Sursă audio pentru vizualizare multiplă"

frontend/plugins/aja-output-ui/data/locale/ru-RU.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Захват устройства AJA I/O"
+AJAOutput.ProgramOutput="Вывод программы"
+AJAOutput.PreviewOutput="Предпросмотр вывода"
+AJAOutput.MiscOutput="Дополнительные настройки"
+AJAOutput.MultiViewEnable="Включить мультипросмотр"
+AJAOutput.MultiViewAudioSource="Мультипросмотр источника аудио"

frontend/plugins/aja-output-ui/data/locale/si-LK.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="ඒජේඒ ආ/ප්‍ර උපාංගයේ ප්‍රතිදානය"
+AJAOutput.ProgramOutput="වැඩසටහනේ ප්‍රතිදානය"
+AJAOutput.PreviewOutput="පෙරදසුනේ ප්‍රතිදානය"
+AJAOutput.MiscOutput="අතිරේක සැකසුම්"
+AJAOutput.MultiViewEnable="බහුදැක්ම සබල කරන්න"
+AJAOutput.MultiViewAudioSource="බහුදැක්ම ශ්‍රව්‍ය මූලාශ්‍රය"

frontend/plugins/aja-output-ui/data/locale/sk-SK.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Výstup AJA I/O zariadenia"
+AJAOutput.ProgramOutput="Výstup programu"
+AJAOutput.PreviewOutput="Výstup náhľadu"
+AJAOutput.MiscOutput="Ďalšie nastavenia"
+AJAOutput.MultiViewEnable="Zapnúť Multi View"
+AJAOutput.MultiViewAudioSource="Multi View zdroj zvuku"

frontend/plugins/aja-output-ui/data/locale/sl-SI.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Izhod AJA vhodno-izhodne naprave"
+AJAOutput.ProgramOutput="Programski izhod"
+AJAOutput.PreviewOutput="Izhod za predogled"
+AJAOutput.MiscOutput="Dodatne nastavitve"
+AJAOutput.MultiViewEnable="Omogoči večzaslonski pogled"
+AJAOutput.MultiViewAudioSource="Vir zvoka za večzaslonski pogled"

frontend/plugins/aja-output-ui/data/locale/sv-SE.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="I/O-enhetsutmatning för AJA"
+AJAOutput.ProgramOutput="Programutmatning"
+AJAOutput.PreviewOutput="Förhandsvisningsutmatning"
+AJAOutput.MiscOutput="Ytterligare inställningar"
+AJAOutput.MultiViewEnable="Aktivera multivy"
+AJAOutput.MultiViewAudioSource="Ljudkälla i multivy"

frontend/plugins/aja-output-ui/data/locale/th-TH.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="เอาต์พุตอุปกรณ์ I/O ของ AJA"
+AJAOutput.ProgramOutput="เอาต์พุตของโปรแกรม"
+AJAOutput.PreviewOutput="เอาต์พุตแสดงตัวอย่าง"
+AJAOutput.MiscOutput="การตั้งค่าเพิ่มเติม"
+AJAOutput.MultiViewEnable="เปิดใช้การแสดงผลหลายจอ"
+AJAOutput.MultiViewAudioSource="มุมมองหลายจอ แหล่งเสียง"

frontend/plugins/aja-output-ui/data/locale/tl-PH.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Output ng Device na AJA I/O"
+AJAOutput.ProgramOutput="Output sa Program"
+AJAOutput.PreviewOutput="Pagpakita ng Output"
+AJAOutput.MiscOutput="Karagdagang mga Setting"
+AJAOutput.MultiViewEnable="I-enable ang Multi View"
+AJAOutput.MultiViewAudioSource="Pagkukuhanan ng Audio sa Multi View"

frontend/plugins/aja-output-ui/data/locale/tr-TR.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Aygıt Çıktısı"
+AJAOutput.ProgramOutput="Program Çıktısı"
+AJAOutput.PreviewOutput="Önizleme Çıktısı"
+AJAOutput.MiscOutput="Ek Ayarlar"
+AJAOutput.MultiViewEnable="Çoklu Görünümü Etkinleştir"
+AJAOutput.MultiViewAudioSource="Çoklu Görünümlü Ses Kaynağı"

frontend/plugins/aja-output-ui/data/locale/tt-RU.ini

@@ -0,0 +1 @@
+AJAOutput.MiscOutput="Өстәмә көйләүләр"

frontend/plugins/aja-output-ui/data/locale/ug-CN.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O ئۈسكۈنە چىقىرىش"
+AJAOutput.ProgramOutput="پىروگرامما چىقىرىش"
+AJAOutput.PreviewOutput="ئالدىن كۆزىتىش چىقىرىش"
+AJAOutput.MiscOutput="قوشۇمچە تەڭشەكلەر"
+AJAOutput.MultiViewEnable="كۆپ كۆرۈنۈشنى قوزغات"
+AJAOutput.MultiViewAudioSource="كۆپ كۆرۈنۈش ئۈن مەنبەسى"

frontend/plugins/aja-output-ui/data/locale/uk-UA.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O Пристрій виводу"
+AJAOutput.ProgramOutput="Вивід програми"
+AJAOutput.PreviewOutput="Попередній перегляд виводу"
+AJAOutput.MiscOutput="Додаткові налаштування"
+AJAOutput.MultiViewEnable="Увімкнути мульти-перегляд"
+AJAOutput.MultiViewAudioSource="Мульти-перегляд джерела звуку"

frontend/plugins/aja-output-ui/data/locale/ur-PK.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O ڈیوائس آؤٹ پٹ"
+AJAOutput.ProgramOutput="پروگرام آؤٹ پٹ"
+AJAOutput.PreviewOutput="پیش نظارہ آؤٹ پٹ"
+AJAOutput.MiscOutput="اضافی ترتیبات"
+AJAOutput.MultiViewEnable="ملٹی ویو کو فعال کریں"
+AJAOutput.MultiViewAudioSource="ملٹی ویو آڈیو ماخذ"

frontend/plugins/aja-output-ui/data/locale/vi-VN.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="Đầu ra thiết bị I/O AJA"
+AJAOutput.ProgramOutput="Đầu ra thiết bị"
+AJAOutput.PreviewOutput="Đầu ra xem trước"
+AJAOutput.MiscOutput="Thiết đặt bổ sung"
+AJAOutput.MultiViewEnable="Bật Nhiều góc nhìn"
+AJAOutput.MultiViewAudioSource="Nguồn âm thanh Nhiều góc nhìn"

frontend/plugins/aja-output-ui/data/locale/zh-CN.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O 设备输出"
+AJAOutput.ProgramOutput="程序输出"
+AJAOutput.PreviewOutput="预览输出"
+AJAOutput.MiscOutput="附加设置"
+AJAOutput.MultiViewEnable="开启多视图"
+AJAOutput.MultiViewAudioSource="音频源多视图"

frontend/plugins/aja-output-ui/data/locale/zh-TW.ini

@@ -0,0 +1,6 @@
+AJAOutput.Device="AJA I/O 裝置輸出"
+AJAOutput.ProgramOutput="節目輸出"
+AJAOutput.PreviewOutput="預覽輸出"
+AJAOutput.MiscOutput="其他設定"
+AJAOutput.MultiViewEnable="啟用多檢視模式"
+AJAOutput.MultiViewAudioSource="多檢視音訊來源"

frontend/plugins/aja-output-ui/forms/output.ui

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Output</class>
+ <widget class="QDialog" name="Output">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>540</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>AJAOutput.Device</string>
+  </property>
+  <property name="sizeGripEnabled">
+   <bool>true</bool>
+  </property>
+  <property name="modal">
+   <bool>false</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="sizeConstraint">
+    <enum>QLayout::SetDefaultConstraint</enum>
+   </property>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>AJAOutput.ProgramOutput</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="propertiesLayout"/>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <property name="spacing">
+      <number>6</number>
+     </property>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="outputButton">
+       <property name="text">
+        <string>Start</string>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>AJAOutput.PreviewOutput</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="previewPropertiesLayout"/>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="previewOutputButton">
+       <property name="text">
+        <string>Start</string>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>AJAOutput.MiscOutput</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="miscPropertiesLayout"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

frontend/plugins/decklink-captions/CMakeLists.txt

@@ -0,0 +1,50 @@
+cmake_minimum_required(VERSION 3.28...3.30)
+
+if(NOT ENABLE_DECKLINK)
+  target_disable(decklink-captions)
+  return()
+endif()
+
+if(OS_LINUX OR OS_FREEBSD OR OS_OPENBSD)
+  find_package(X11 REQUIRED)
+  mark_as_advanced(X11)
+endif()
+
+find_package(Qt6 REQUIRED Widgets)
+
+add_library(decklink-captions MODULE)
+add_library(OBS::decklink-captions ALIAS decklink-captions)
+
+target_sources(decklink-captions PRIVATE decklink-captions.cpp decklink-captions.h forms/captions.ui)
+
+target_compile_options(
+  decklink-captions
+  PRIVATE $<$<PLATFORM_ID:Darwin>:-Wno-quoted-include-in-framework-header> $<$<PLATFORM_ID:Darwin>:-Wno-comma>
+)
+
+target_link_libraries(
+  decklink-captions
+  PRIVATE
+    OBS::frontend-api
+    OBS::libobs
+    Qt::Widgets
+    "$<$<PLATFORM_ID:Darwin>:$<LINK_LIBRARY:FRAMEWORK,Cocoa.framework>>"
+    $<$<PLATFORM_ID:Linux,FreeBSD>:X11::X11>
+)
+
+if(OS_WINDOWS)
+  configure_file(cmake/windows/obs-module.rc.in decklink-captions.rc)
+  target_sources(decklink-captions PRIVATE decklink-captions.rc)
+
+  set_property(TARGET decklink-captions APPEND PROPERTY AUTORCC_OPTIONS --format-version 1)
+endif()
+
+set_target_properties_obs(
+  decklink-captions
+  PROPERTIES FOLDER plugins/decklink
+             PREFIX ""
+             AUTOMOC ON
+             AUTOUIC ON
+             AUTORCC ON
+             AUTOUIC_SEARCH_PATHS forms
+)

frontend/plugins/decklink-captions/cmake/windows/obs-module.rc.in

@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION ${OBS_VERSION_MAJOR},${OBS_VERSION_MINOR},${OBS_VERSION_PATCH},0
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904B0"
+    BEGIN
+      VALUE "CompanyName", "${OBS_COMPANY_NAME}"
+      VALUE "FileDescription", "OBS DeckLink Captions module"
+      VALUE "FileVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "ProductName", "${OBS_PRODUCT_NAME}"
+      VALUE "ProductVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "Comments", "${OBS_COMMENTS}"
+      VALUE "LegalCopyright", "${OBS_LEGAL_COPYRIGHT}"
+      VALUE "InternalName", "decklink-captions"
+      VALUE "OriginalFilename", "decklink-captions"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 0x04B0
+  END
+END

frontend/plugins/decklink-captions/decklink-captions.cpp

@@ -0,0 +1,150 @@
+#include <obs-frontend-api.h>
+#include <QMainWindow>
+#include <QAction>
+#include <obs.hpp>
+#include "decklink-captions.h"
+
+OBS_DECLARE_MODULE()
+OBS_MODULE_USE_DEFAULT_LOCALE("decklink-captons", "en-US")
+
+struct obs_captions {
+	std::string source_name;
+	OBSWeakSource source;
+
+	void start();
+	void stop();
+
+	obs_captions();
+	inline ~obs_captions() { stop(); }
+};
+
+obs_captions::obs_captions() {}
+
+static obs_captions *captions = nullptr;
+
+DecklinkCaptionsUI::DecklinkCaptionsUI(QWidget *parent) : QDialog(parent), ui(new Ui_CaptionsDialog)
+{
+	ui->setupUi(this);
+
+	setSizeGripEnabled(true);
+
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	auto cb = [this](obs_source_t *source) {
+		uint32_t caps = obs_source_get_output_flags(source);
+		QString name = obs_source_get_name(source);
+
+		if (caps & OBS_SOURCE_CEA_708)
+			ui->source->addItem(name);
+
+		OBSWeakSource weak = OBSGetWeakRef(source);
+		if (weak == captions->source)
+			ui->source->setCurrentText(name);
+		return true;
+	};
+
+	using cb_t = decltype(cb);
+
+	ui->source->blockSignals(true);
+	ui->source->addItem(QStringLiteral(""));
+	ui->source->setCurrentIndex(0);
+	obs_enum_sources([](void *data, obs_source_t *source) { return (*static_cast<cb_t *>(data))(source); }, &cb);
+	ui->source->blockSignals(false);
+}
+
+void DecklinkCaptionsUI::on_source_currentIndexChanged(int)
+{
+	captions->stop();
+
+	captions->source_name = ui->source->currentText().toUtf8().constData();
+	captions->source = GetWeakSourceByName(captions->source_name.c_str());
+
+	captions->start();
+}
+
+static void caption_callback(void * /* param */, obs_source_t * /* source */, const struct obs_source_cea_708 *captions)
+{
+	obs_output *output = obs_frontend_get_streaming_output();
+	if (output) {
+		if (obs_frontend_streaming_active() && obs_output_active(output)) {
+			obs_output_caption(output, captions);
+		}
+		obs_output_release(output);
+	}
+}
+
+void obs_captions::start()
+{
+	OBSSource s = OBSGetStrongRef(source);
+	if (!s) {
+		//warn("Source invalid");
+		return;
+	}
+	obs_source_add_caption_callback(s, caption_callback, nullptr);
+}
+
+void obs_captions::stop()
+{
+	OBSSource s = OBSGetStrongRef(source);
+	if (s)
+		obs_source_remove_caption_callback(s, caption_callback, nullptr);
+}
+
+static void save_decklink_caption_data(obs_data_t *save_data, bool saving, void *)
+{
+	if (saving) {
+		obs_data_t *obj = obs_data_create();
+
+		obs_data_set_string(obj, "source", captions->source_name.c_str());
+
+		obs_data_set_obj(save_data, "decklink_captions", obj);
+		obs_data_release(obj);
+	} else {
+		captions->stop();
+
+		obs_data_t *obj = obs_data_get_obj(save_data, "decklink_captions");
+		if (!obj)
+			obj = obs_data_create();
+
+		captions->source_name = obs_data_get_string(obj, "source");
+		captions->source = GetWeakSourceByName(captions->source_name.c_str());
+		obs_data_release(obj);
+
+		captions->start();
+	}
+}
+
+void addOutputUI(void)
+{
+	QAction *action = (QAction *)obs_frontend_add_tools_menu_qaction(obs_module_text("Decklink Captions"));
+
+	captions = new obs_captions;
+
+	auto cb = []() {
+		obs_frontend_push_ui_translation(obs_module_get_string);
+
+		QWidget *window = (QWidget *)obs_frontend_get_main_window();
+
+		DecklinkCaptionsUI dialog(window);
+		dialog.exec();
+
+		obs_frontend_pop_ui_translation();
+	};
+
+	obs_frontend_add_save_callback(save_decklink_caption_data, nullptr);
+
+	action->connect(action, &QAction::triggered, cb);
+}
+
+bool obs_module_load(void)
+{
+	return true;
+}
+
+void obs_module_post_load(void)
+{
+	if (!obs_get_module("decklink"))
+		return;
+
+	addOutputUI();
+}

frontend/plugins/decklink-captions/decklink-captions.h

@@ -0,0 +1,30 @@
+#include <QDialog>
+#include <obs-module.h>
+#include <util/platform.h>
+#include <obs.hpp>
+#include <memory>
+#include "ui_captions.h"
+
+class DecklinkCaptionsUI : public QDialog {
+	Q_OBJECT
+private:
+public:
+	std::unique_ptr<Ui_CaptionsDialog> ui;
+	DecklinkCaptionsUI(QWidget *parent);
+
+public slots:
+	void on_source_currentIndexChanged(int idx);
+};
+
+static inline OBSWeakSource GetWeakSourceByName(const char *name)
+{
+	OBSWeakSource weak;
+	obs_source_t *source = obs_get_source_by_name(name);
+	if (source) {
+		weak = obs_source_get_weak_source(source);
+		obs_weak_source_release(weak);
+		obs_source_release(source);
+	}
+
+	return weak;
+}

frontend/plugins/decklink-captions/forms/captions.ui

@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CaptionsDialog</class>
+ <widget class="QDialog" name="CaptionsDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>519</width>
+    <height>104</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Captions</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QFormLayout" name="formLayout">
+     <property name="labelAlignment">
+      <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+     </property>
+     <item row="0" column="0">
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Captions.Source</string>
+       </property>
+       <property name="buddy">
+        <cstring>source</cstring>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QComboBox" name="source">
+       <property name="insertPolicy">
+        <enum>QComboBox::InsertAlphabetically</enum>
+       </property>
+       <property name="sizeAdjustPolicy">
+        <enum>QComboBox::AdjustToContents</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>0</width>
+       <height>0</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="accept">
+       <property name="text">
+        <string>OK</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>accept</sender>
+   <signal>clicked()</signal>
+   <receiver>CaptionsDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>268</x>
+     <y>331</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>229</x>
+     <y>-11</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

frontend/plugins/decklink-output-ui/CMakeLists.txt

@@ -0,0 +1,59 @@
+cmake_minimum_required(VERSION 3.28...3.30)
+
+if(NOT ENABLE_DECKLINK)
+  target_disable(decklink-output-ui)
+  return()
+endif()
+
+find_package(Qt6 REQUIRED Widgets)
+
+if(OS_LINUX OR OS_FREEBSD OR OS_OPENBSD)
+  find_package(Qt6 REQUIRED Gui)
+
+  find_package(X11 REQUIRED)
+endif()
+
+add_library(decklink-output-ui MODULE)
+add_library(OBS::decklink-output-ui ALIAS decklink-output-ui)
+
+if(NOT TARGET OBS::properties-view)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/shared/properties-view" "${CMAKE_BINARY_DIR}/shared/properties-view")
+endif()
+
+target_sources(decklink-output-ui PRIVATE forms/output.ui)
+
+target_sources(
+  decklink-output-ui
+  PRIVATE DecklinkOutputUI.cpp DecklinkOutputUI.h decklink-ui-main.cpp decklink-ui-main.h
+)
+
+target_compile_options(decklink-output-ui PRIVATE $<$<PLATFORM_ID:Darwin>:-Wno-quoted-include-in-framework-header>)
+
+target_link_libraries(
+  decklink-output-ui
+  PRIVATE
+    OBS::libobs
+    OBS::frontend-api
+    OBS::properties-view
+    Qt::Widgets
+    "$<$<PLATFORM_ID:Darwin>:$<LINK_LIBRARY:FRAMEWORK,Cocoa.framework>>"
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:X11::X11>
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:Qt::GuiPrivate>
+)
+
+if(OS_WINDOWS)
+  configure_file(cmake/windows/obs-module.rc.in decklink-output-ui.rc)
+  target_sources(decklink-output-ui PRIVATE decklink-output-ui.rc)
+
+  set_property(TARGET decklink-output-ui APPEND PROPERTY AUTORCC_OPTIONS --format-version 1)
+endif()
+
+set_target_properties_obs(
+  decklink-output-ui
+  PROPERTIES FOLDER frontend
+             PREFIX ""
+             AUTOMOC ON
+             AUTOUIC ON
+             AUTORCC ON
+             AUTOUIC_SEARCH_PATHS forms
+)

frontend/plugins/decklink-output-ui/DecklinkOutputUI.cpp

@@ -0,0 +1,139 @@
+#include "DecklinkOutputUI.h"
+#include <obs-module.h>
+#include <util/platform.h>
+#include <util/util.hpp>
+#include "decklink-ui-main.h"
+
+DecklinkOutputUI::DecklinkOutputUI(QWidget *parent) : QDialog(parent), ui(new Ui_Output)
+{
+	ui->setupUi(this);
+
+	setSizeGripEnabled(true);
+
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	propertiesView = nullptr;
+	previewPropertiesView = nullptr;
+}
+
+void DecklinkOutputUI::ShowHideDialog()
+{
+	SetupPropertiesView();
+	SetupPreviewPropertiesView();
+
+	setVisible(!isVisible());
+}
+
+void DecklinkOutputUI::SetupPropertiesView()
+{
+	if (propertiesView)
+		delete propertiesView;
+
+	obs_data_t *settings = obs_data_create();
+
+	OBSData data = load_settings();
+	if (data)
+		obs_data_apply(settings, data);
+
+	propertiesView = new OBSPropertiesView(settings, "decklink_output",
+					       (PropertiesReloadCallback)obs_get_output_properties, 170);
+
+	ui->propertiesLayout->addWidget(propertiesView);
+	obs_data_release(settings);
+
+	connect(propertiesView, &OBSPropertiesView::Changed, this, &DecklinkOutputUI::PropertiesChanged);
+}
+
+void DecklinkOutputUI::SaveSettings()
+{
+	BPtr<char> modulePath = obs_module_get_config_path(obs_current_module(), "");
+
+	os_mkdirs(modulePath);
+
+	BPtr<char> path = obs_module_get_config_path(obs_current_module(), "decklinkOutputProps.json");
+
+	obs_data_t *settings = propertiesView->GetSettings();
+	if (settings)
+		obs_data_save_json_safe(settings, path, "tmp", "bak");
+}
+
+void DecklinkOutputUI::SetupPreviewPropertiesView()
+{
+	if (previewPropertiesView)
+		delete previewPropertiesView;
+
+	obs_data_t *settings = obs_data_create();
+
+	OBSData data = load_preview_settings();
+	if (data)
+		obs_data_apply(settings, data);
+
+	previewPropertiesView = new OBSPropertiesView(settings, "decklink_output",
+						      (PropertiesReloadCallback)obs_get_output_properties, 170);
+
+	ui->previewPropertiesLayout->addWidget(previewPropertiesView);
+	obs_data_release(settings);
+
+	connect(previewPropertiesView, &OBSPropertiesView::Changed, this, &DecklinkOutputUI::PreviewPropertiesChanged);
+}
+
+void DecklinkOutputUI::SavePreviewSettings()
+{
+	BPtr<char> modulePath = obs_module_get_config_path(obs_current_module(), "");
+
+	os_mkdirs(modulePath);
+
+	BPtr<char> path = obs_module_get_config_path(obs_current_module(), "decklinkPreviewOutputProps.json");
+
+	obs_data_t *settings = previewPropertiesView->GetSettings();
+	if (settings)
+		obs_data_save_json_safe(settings, path, "tmp", "bak");
+}
+
+void DecklinkOutputUI::on_outputButton_clicked()
+{
+	SaveSettings();
+	output_toggle();
+}
+
+void DecklinkOutputUI::PropertiesChanged()
+{
+	SaveSettings();
+}
+
+void DecklinkOutputUI::OutputStateChanged(bool active)
+{
+	QString text;
+	if (active) {
+		text = QString(obs_module_text("Stop"));
+	} else {
+		text = QString(obs_module_text("Start"));
+	}
+
+	ui->outputButton->setChecked(active);
+	ui->outputButton->setText(text);
+}
+
+void DecklinkOutputUI::on_previewOutputButton_clicked()
+{
+	SavePreviewSettings();
+	preview_output_toggle();
+}
+
+void DecklinkOutputUI::PreviewPropertiesChanged()
+{
+	SavePreviewSettings();
+}
+
+void DecklinkOutputUI::PreviewOutputStateChanged(bool active)
+{
+	QString text;
+	if (active) {
+		text = QString(obs_module_text("Stop"));
+	} else {
+		text = QString(obs_module_text("Start"));
+	}
+
+	ui->previewOutputButton->setChecked(active);
+	ui->previewOutputButton->setText(text);
+}

frontend/plugins/decklink-output-ui/DecklinkOutputUI.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <QDialog>
+#include <properties-view.hpp>
+
+#include "ui_output.h"
+
+class DecklinkOutputUI : public QDialog {
+	Q_OBJECT
+private:
+	OBSPropertiesView *propertiesView;
+	OBSPropertiesView *previewPropertiesView;
+
+public slots:
+	void on_outputButton_clicked();
+	void PropertiesChanged();
+	void OutputStateChanged(bool);
+
+	void on_previewOutputButton_clicked();
+	void PreviewPropertiesChanged();
+	void PreviewOutputStateChanged(bool);
+
+public:
+	std::unique_ptr<Ui_Output> ui;
+	DecklinkOutputUI(QWidget *parent);
+
+	void ShowHideDialog();
+
+	void SetupPropertiesView();
+	void SaveSettings();
+
+	void SetupPreviewPropertiesView();
+	void SavePreviewSettings();
+};

frontend/plugins/decklink-output-ui/cmake/windows/obs-module.rc.in

@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION ${OBS_VERSION_MAJOR},${OBS_VERSION_MINOR},${OBS_VERSION_PATCH},0
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904B0"
+    BEGIN
+      VALUE "CompanyName", "${OBS_COMPANY_NAME}"
+      VALUE "FileDescription", "OBS Decklink Output UI"
+      VALUE "FileVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "ProductName", "${OBS_PRODUCT_NAME}"
+      VALUE "ProductVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "Comments", "${OBS_COMMENTS}"
+      VALUE "LegalCopyright", "${OBS_LEGAL_COPYRIGHT}"
+      VALUE "InternalName", "decklink-output-ui"
+      VALUE "OriginalFilename", "decklink-output-ui"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 0x04B0
+  END
+END

frontend/plugins/decklink-output-ui/decklink-ui-main.cpp

@@ -0,0 +1,480 @@
+#include <obs-module.h>
+#include <obs-frontend-api.h>
+#include <QMainWindow>
+#include <QAction>
+#include <util/util.hpp>
+#include <util/platform.h>
+#include <media-io/video-io.h>
+#include <media-io/video-frame.h>
+#include "DecklinkOutputUI.h"
+#include "../../../plugins/decklink/const.h"
+
+OBS_DECLARE_MODULE()
+OBS_MODULE_USE_DEFAULT_LOCALE("decklink-output-ui", "en-US")
+
+DecklinkOutputUI *doUI;
+
+bool shutting_down = false;
+
+bool main_output_running = false;
+bool preview_output_running = false;
+
+constexpr size_t STAGE_BUFFER_COUNT = 3;
+
+struct decklink_ui_output {
+	bool enabled;
+	obs_source_t *current_source;
+	obs_output_t *output;
+
+	video_t *video_queue;
+	gs_texrender_t *texrender_premultiplied;
+	gs_texrender_t *texrender;
+	gs_stagesurf_t *stagesurfaces[STAGE_BUFFER_COUNT];
+	bool surf_written[STAGE_BUFFER_COUNT];
+	size_t stage_index;
+	uint8_t *video_data;
+	uint32_t video_linesize;
+
+	obs_video_info ovi;
+};
+
+static struct decklink_ui_output context = {0};
+static struct decklink_ui_output context_preview = {0};
+
+OBSData load_settings()
+{
+	BPtr<char> path = obs_module_get_config_path(obs_current_module(), "decklinkOutputProps.json");
+	BPtr<char> jsonData = os_quick_read_utf8_file(path);
+	if (!!jsonData) {
+		obs_data_t *data = obs_data_create_from_json(jsonData);
+		OBSData dataRet(data);
+		obs_data_release(data);
+
+		return dataRet;
+	}
+
+	return nullptr;
+}
+
+static void decklink_ui_tick(void *param, float sec);
+static void decklink_ui_render(void *param);
+
+void output_stop()
+{
+	obs_remove_main_rendered_callback(decklink_ui_render, &context);
+
+	obs_output_stop(context.output);
+	obs_output_release(context.output);
+
+	obs_enter_graphics();
+	for (gs_stagesurf_t *&surf : context.stagesurfaces) {
+		gs_stagesurface_destroy(surf);
+		surf = nullptr;
+	}
+	gs_texrender_destroy(context.texrender);
+	context.texrender = nullptr;
+	obs_leave_graphics();
+
+	video_output_close(context.video_queue);
+	obs_remove_tick_callback(decklink_ui_tick, &context);
+
+	main_output_running = false;
+
+	if (!shutting_down)
+		doUI->OutputStateChanged(false);
+}
+
+void output_start()
+{
+	OBSData settings = load_settings();
+
+	if (settings != nullptr) {
+		obs_output_t *const output = obs_output_create("decklink_output", "decklink_output", settings, NULL);
+		const struct video_scale_info *const conversion = obs_output_get_video_conversion(output);
+		if (conversion != nullptr) {
+			context.output = output;
+			obs_add_tick_callback(decklink_ui_tick, &context);
+
+			obs_get_video_info(&context.ovi);
+
+			const uint32_t width = conversion->width;
+			const uint32_t height = conversion->height;
+
+			obs_enter_graphics();
+			context.texrender_premultiplied = nullptr;
+			context.texrender = gs_texrender_create(GS_BGRA, GS_ZS_NONE);
+			for (gs_stagesurf_t *&surf : context.stagesurfaces)
+				surf = gs_stagesurface_create(width, height, GS_BGRA);
+			obs_leave_graphics();
+
+			for (bool &written : context.surf_written)
+				written = false;
+
+			context.stage_index = 0;
+
+			video_output_info vi = {0};
+			vi.format = VIDEO_FORMAT_BGRA;
+			vi.width = width;
+			vi.height = height;
+			vi.fps_den = context.ovi.fps_den;
+			vi.fps_num = context.ovi.fps_num;
+			vi.cache_size = 16;
+			vi.colorspace = VIDEO_CS_DEFAULT;
+			vi.range = VIDEO_RANGE_FULL;
+			vi.name = "decklink_output";
+
+			video_output_open(&context.video_queue, &vi);
+
+			context.current_source = nullptr;
+			obs_add_main_rendered_callback(decklink_ui_render, &context);
+
+			obs_output_set_media(context.output, context.video_queue, obs_get_audio());
+			bool started = obs_output_start(context.output);
+
+			main_output_running = started;
+
+			if (!shutting_down)
+				doUI->OutputStateChanged(started);
+
+			if (!started)
+				output_stop();
+		} else {
+			obs_output_release(output);
+		}
+	}
+}
+
+void output_toggle()
+{
+	if (main_output_running)
+		output_stop();
+	else
+		output_start();
+}
+
+OBSData load_preview_settings()
+{
+	BPtr<char> path = obs_module_get_config_path(obs_current_module(), "decklinkPreviewOutputProps.json");
+	BPtr<char> jsonData = os_quick_read_utf8_file(path);
+	if (!!jsonData) {
+		obs_data_t *data = obs_data_create_from_json(jsonData);
+		OBSData dataRet(data);
+		obs_data_release(data);
+
+		return dataRet;
+	}
+
+	return nullptr;
+}
+
+void on_preview_scene_changed(enum obs_frontend_event event, void *param);
+
+static void decklink_ui_tick(void *param, float /* sec */)
+{
+	auto ctx = (struct decklink_ui_output *)param;
+
+	if (ctx->texrender_premultiplied)
+		gs_texrender_reset(ctx->texrender_premultiplied);
+	if (ctx->texrender)
+		gs_texrender_reset(ctx->texrender);
+}
+
+void preview_output_stop()
+{
+	obs_remove_main_rendered_callback(decklink_ui_render, &context_preview);
+	obs_frontend_remove_event_callback(on_preview_scene_changed, &context_preview);
+
+	obs_output_stop(context_preview.output);
+	obs_output_release(context_preview.output);
+
+	obs_source_release(context_preview.current_source);
+
+	obs_enter_graphics();
+	for (gs_stagesurf_t *&surf : context_preview.stagesurfaces) {
+		gs_stagesurface_destroy(surf);
+		surf = nullptr;
+	}
+	gs_texrender_destroy(context_preview.texrender);
+	context_preview.texrender = nullptr;
+	gs_texrender_destroy(context_preview.texrender_premultiplied);
+	context_preview.texrender_premultiplied = nullptr;
+	obs_leave_graphics();
+
+	video_output_close(context_preview.video_queue);
+	obs_remove_tick_callback(decklink_ui_tick, &context_preview);
+
+	preview_output_running = false;
+
+	if (!shutting_down)
+		doUI->PreviewOutputStateChanged(false);
+}
+
+void preview_output_start()
+{
+	OBSData settings = load_preview_settings();
+
+	if (settings != nullptr) {
+		obs_output_t *const output = obs_output_create("decklink_output", "decklink_output", settings, NULL);
+		const struct video_scale_info *const conversion = obs_output_get_video_conversion(output);
+		if (conversion != nullptr) {
+			context_preview.output = output;
+			obs_add_tick_callback(decklink_ui_tick, &context_preview);
+
+			obs_get_video_info(&context_preview.ovi);
+
+			const uint32_t width = conversion->width;
+			const uint32_t height = conversion->height;
+
+			obs_enter_graphics();
+			context_preview.texrender_premultiplied = gs_texrender_create(GS_BGRA, GS_ZS_NONE);
+			context_preview.texrender = gs_texrender_create(GS_BGRA, GS_ZS_NONE);
+			for (gs_stagesurf_t *&surf : context_preview.stagesurfaces)
+				surf = gs_stagesurface_create(width, height, GS_BGRA);
+			obs_leave_graphics();
+
+			for (bool &written : context_preview.surf_written)
+				written = false;
+
+			context_preview.stage_index = 0;
+
+			video_output_info vi = {0};
+			vi.format = VIDEO_FORMAT_BGRA;
+			vi.width = width;
+			vi.height = height;
+			vi.fps_den = context_preview.ovi.fps_den;
+			vi.fps_num = context_preview.ovi.fps_num;
+			vi.cache_size = 16;
+			vi.colorspace = VIDEO_CS_DEFAULT;
+			vi.range = VIDEO_RANGE_FULL;
+			vi.name = "decklink_preview_output";
+
+			video_output_open(&context_preview.video_queue, &vi);
+
+			obs_frontend_add_event_callback(on_preview_scene_changed, &context_preview);
+			if (obs_frontend_preview_program_mode_active()) {
+				context_preview.current_source = obs_frontend_get_current_preview_scene();
+			} else {
+				context_preview.current_source = obs_frontend_get_current_scene();
+			}
+			obs_add_main_rendered_callback(decklink_ui_render, &context_preview);
+
+			obs_output_set_media(context_preview.output, context_preview.video_queue, obs_get_audio());
+			bool started = obs_output_start(context_preview.output);
+
+			preview_output_running = started;
+			if (!shutting_down)
+				doUI->PreviewOutputStateChanged(started);
+
+			if (!started)
+				preview_output_stop();
+		} else {
+			obs_output_release(output);
+		}
+	}
+}
+
+void preview_output_toggle()
+{
+	if (preview_output_running)
+		preview_output_stop();
+	else
+		preview_output_start();
+}
+
+void on_preview_scene_changed(enum obs_frontend_event event, void *param)
+{
+	auto ctx = (struct decklink_ui_output *)param;
+	switch (event) {
+	case OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED:
+	case OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED:
+		obs_source_release(ctx->current_source);
+		ctx->current_source = obs_frontend_get_current_preview_scene();
+		break;
+	case OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED:
+		obs_source_release(ctx->current_source);
+		ctx->current_source = obs_frontend_get_current_scene();
+		break;
+	case OBS_FRONTEND_EVENT_SCENE_CHANGED:
+		if (!obs_frontend_preview_program_mode_active()) {
+			obs_source_release(ctx->current_source);
+			ctx->current_source = obs_frontend_get_current_scene();
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+static void decklink_ui_render(void *param)
+{
+	auto *const ctx = (struct decklink_ui_output *)param;
+
+	uint32_t width = 0;
+	uint32_t height = 0;
+	gs_texture_t *tex = nullptr;
+
+	if (ctx == &context) {
+		if (!main_output_running)
+			return;
+
+		tex = obs_get_main_texture();
+		if (!tex)
+			return;
+
+		width = gs_texture_get_width(tex);
+		height = gs_texture_get_height(tex);
+	} else if (ctx == &context_preview) {
+		if (!preview_output_running)
+			return;
+
+		if (!ctx->current_source)
+			return;
+
+		width = obs_source_get_base_width(ctx->current_source);
+		height = obs_source_get_base_height(ctx->current_source);
+
+		gs_texrender_t *const texrender_premultiplied = ctx->texrender_premultiplied;
+		if (!gs_texrender_begin(texrender_premultiplied, width, height))
+			return;
+
+		struct vec4 background;
+		vec4_zero(&background);
+
+		gs_clear(GS_CLEAR_COLOR, &background, 0.0f, 0);
+		gs_ortho(0.0f, (float)width, 0.0f, (float)height, -100.0f, 100.0f);
+
+		gs_blend_state_push();
+		gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
+
+		obs_source_video_render(ctx->current_source);
+
+		gs_blend_state_pop();
+		gs_texrender_end(texrender_premultiplied);
+
+		tex = gs_texrender_get_texture(texrender_premultiplied);
+	} else {
+		return;
+	}
+
+	const struct video_scale_info *const conversion = obs_output_get_video_conversion(ctx->output);
+	const uint32_t scaled_width = conversion->width;
+	const uint32_t scaled_height = conversion->height;
+
+	if (!gs_texrender_begin(ctx->texrender, scaled_width, scaled_height))
+		return;
+
+	const bool previous = gs_framebuffer_srgb_enabled();
+	const bool source_hdr = (ctx->ovi.colorspace == VIDEO_CS_2100_PQ) || (ctx->ovi.colorspace == VIDEO_CS_2100_HLG);
+	const bool target_hdr = source_hdr && (conversion->colorspace == VIDEO_CS_2100_PQ);
+	gs_enable_framebuffer_srgb(!target_hdr);
+	gs_enable_blending(false);
+
+	gs_effect_t *const effect = obs_get_base_effect(OBS_EFFECT_DEFAULT);
+	gs_effect_set_texture_srgb(gs_effect_get_param_by_name(effect, "image"), tex);
+	const char *const tech_name = target_hdr ? "DrawAlphaDivideR10L"
+						 : (source_hdr ? "DrawAlphaDivideTonemap" : "DrawAlphaDivide");
+	while (gs_effect_loop(effect, tech_name)) {
+		gs_effect_set_float(gs_effect_get_param_by_name(effect, "multiplier"),
+				    obs_get_video_sdr_white_level() / 10000.f);
+		gs_draw_sprite(tex, 0, 0, 0);
+	}
+
+	gs_enable_blending(true);
+	gs_enable_framebuffer_srgb(previous);
+
+	gs_texrender_end(ctx->texrender);
+
+	const size_t write_stage_index = ctx->stage_index;
+	gs_stage_texture(ctx->stagesurfaces[write_stage_index], gs_texrender_get_texture(ctx->texrender));
+	ctx->surf_written[write_stage_index] = true;
+
+	const size_t read_stage_index = (write_stage_index + 1) % STAGE_BUFFER_COUNT;
+	if (ctx->surf_written[read_stage_index]) {
+		struct video_frame output_frame;
+		if (video_output_lock_frame(ctx->video_queue, &output_frame, 1, os_gettime_ns())) {
+			gs_stagesurf_t *const read_surf = ctx->stagesurfaces[read_stage_index];
+			if (gs_stagesurface_map(read_surf, &ctx->video_data, &ctx->video_linesize)) {
+				uint32_t linesize = output_frame.linesize[0];
+				for (uint32_t i = 0; i < scaled_height; i++) {
+					uint32_t dst_offset = linesize * i;
+					uint32_t src_offset = ctx->video_linesize * i;
+					memcpy(output_frame.data[0] + dst_offset, ctx->video_data + src_offset,
+					       linesize);
+				}
+
+				gs_stagesurface_unmap(read_surf);
+				ctx->video_data = nullptr;
+			}
+
+			video_output_unlock_frame(ctx->video_queue);
+		}
+	}
+
+	ctx->stage_index = read_stage_index;
+}
+
+void addOutputUI(void)
+{
+	QAction *action = (QAction *)obs_frontend_add_tools_menu_qaction(obs_module_text("Decklink Output"));
+
+	QMainWindow *window = (QMainWindow *)obs_frontend_get_main_window();
+
+	obs_frontend_push_ui_translation(obs_module_get_string);
+	doUI = new DecklinkOutputUI(window);
+	obs_frontend_pop_ui_translation();
+
+	auto cb = []() {
+		doUI->ShowHideDialog();
+	};
+
+	action->connect(action, &QAction::triggered, cb);
+}
+
+static void OBSEvent(enum obs_frontend_event event, void *)
+{
+	if (event == OBS_FRONTEND_EVENT_FINISHED_LOADING) {
+		OBSData settings = load_settings();
+
+		if (settings && obs_data_get_bool(settings, "auto_start"))
+			output_start();
+
+		OBSData previewSettings = load_preview_settings();
+
+		if (previewSettings && obs_data_get_bool(previewSettings, "auto_start"))
+			preview_output_start();
+	} else if (event == OBS_FRONTEND_EVENT_EXIT) {
+		shutting_down = true;
+
+		if (preview_output_running)
+			preview_output_stop();
+
+		if (main_output_running)
+			output_stop();
+	}
+}
+
+bool obs_module_load(void)
+{
+	return true;
+}
+
+void obs_module_unload(void)
+{
+	shutting_down = true;
+
+	if (preview_output_running)
+		preview_output_stop();
+
+	if (main_output_running)
+		output_stop();
+}
+
+void obs_module_post_load(void)
+{
+	if (!obs_get_module("decklink"))
+		return;
+
+	addOutputUI();
+
+	obs_frontend_add_event_callback(OBSEvent, nullptr);
+}

frontend/plugins/decklink-output-ui/decklink-ui-main.h

@@ -0,0 +1,6 @@
+#pragma once
+
+void output_toggle();
+OBSData load_settings();
+void preview_output_toggle();
+OBSData load_preview_settings();

frontend/plugins/decklink-output-ui/forms/output.ui

@@ -0,0 +1,113 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Output</class>
+ <widget class="QDialog" name="Output">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>785</width>
+    <height>484</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Decklink Output</string>
+  </property>
+  <property name="sizeGripEnabled">
+   <bool>true</bool>
+  </property>
+  <property name="modal">
+   <bool>false</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="sizeConstraint">
+    <enum>QLayout::SetDefaultConstraint</enum>
+   </property>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Output</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="propertiesLayout"/>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <property name="spacing">
+      <number>6</number>
+     </property>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="outputButton">
+       <property name="text">
+        <string>Start</string>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Preview Output</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="previewPropertiesLayout"/>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="previewOutputButton">
+       <property name="text">
+        <string>Start</string>
+       </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

frontend/plugins/frontend-tools/CMakeLists.txt

@@ -0,0 +1,95 @@
+cmake_minimum_required(VERSION 3.28...3.30)
+
+find_package(Qt6 REQUIRED Widgets)
+
+if(OS_LINUX OR OS_FREEBSD OR OS_OPENBSD)
+  find_package(Qt6 REQUIRED Gui)
+  find_package(X11 REQUIRED)
+endif()
+
+add_library(frontend-tools MODULE)
+add_library(OBS::frontend-tools ALIAS frontend-tools)
+
+if(NOT TARGET OBS::properties-view)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/shared/properties-view" "${CMAKE_BINARY_DIR}/shared/properties-view")
+endif()
+
+if(NOT TARGET OBS::qt-plain-text-edit)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/shared/qt/plain-text-edit" "${CMAKE_BINARY_DIR}/shared/qt/plain-text-edit")
+endif()
+
+if(NOT TARGET OBS::qt-wrappers)
+  add_subdirectory("${CMAKE_SOURCE_DIR}/shared/qt/wrappers" "${CMAKE_BINARY_DIR}/shared/qt/wrappers")
+endif()
+
+target_sources(
+  frontend-tools
+  PRIVATE
+    $<$<PLATFORM_ID:Darwin>:auto-scene-switcher-osx.mm>
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:auto-scene-switcher-nix.cpp>
+    $<$<PLATFORM_ID:Windows>:auto-scene-switcher-win.cpp>
+    $<$<PLATFORM_ID:Windows>:captions-handler.cpp>
+    $<$<PLATFORM_ID:Windows>:captions-handler.hpp>
+    $<$<PLATFORM_ID:Windows>:captions-mssapi-stream.cpp>
+    $<$<PLATFORM_ID:Windows>:captions-mssapi-stream.hpp>
+    $<$<PLATFORM_ID:Windows>:captions-mssapi.cpp>
+    $<$<PLATFORM_ID:Windows>:captions-mssapi.hpp>
+    $<$<PLATFORM_ID:Windows>:captions.cpp>
+    $<$<PLATFORM_ID:Windows>:captions.hpp>
+    auto-scene-switcher.cpp
+    auto-scene-switcher.hpp
+    frontend-tools.c
+    output-timer.cpp
+    output-timer.hpp
+    tool-helpers.hpp
+)
+
+target_sources(
+  frontend-tools
+  PRIVATE forms/auto-scene-switcher.ui forms/captions.ui forms/output-timer.ui forms/scripts.ui
+)
+
+target_compile_options(
+  frontend-tools
+  PRIVATE $<$<PLATFORM_ID:Darwin>:-Wno-quoted-include-in-framework-header> $<$<PLATFORM_ID:Darwin>:-Wno-comma>
+)
+
+target_link_libraries(
+  frontend-tools
+  PRIVATE
+    OBS::frontend-api
+    OBS::libobs
+    OBS::properties-view
+    OBS::qt-plain-text-edit
+    OBS::qt-wrappers
+    Qt::Widgets
+    "$<$<PLATFORM_ID:Darwin>:$<LINK_LIBRARY:FRAMEWORK,Cocoa>>"
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:X11::X11>
+    $<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD>:Qt::GuiPrivate>
+)
+
+add_subdirectory("${CMAKE_SOURCE_DIR}/shared/obs-scripting" "${CMAKE_BINARY_DIR}/shared/obs-scripting")
+
+if(ENABLE_SCRIPTING AND TARGET OBS::scripting)
+  target_sources(frontend-tools PRIVATE scripts.cpp scripts.hpp)
+  target_link_libraries(frontend-tools PRIVATE OBS::scripting)
+  target_enable_feature(frontend-tools "Scripting Support (Frontend)" ENABLE_SCRIPTING)
+endif()
+
+if(OS_WINDOWS)
+  configure_file(cmake/windows/obs-module.rc.in frontend-tools.rc)
+  target_sources(frontend-tools PRIVATE frontend-tools.rc)
+
+  set_property(TARGET frontend-tools APPEND PROPERTY AUTORCC_OPTIONS --format-version 1)
+endif()
+
+set_target_properties_obs(
+  frontend-tools
+  PROPERTIES FOLDER frontend
+             PREFIX ""
+             AUTOMOC ON
+             AUTOUIC ON
+             AUTORCC ON
+             AUTOUIC_SEARCH_PATHS forms
+             XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC YES
+)

frontend/plugins/frontend-tools/auto-scene-switcher-nix.cpp

@@ -0,0 +1,195 @@
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+#undef Bool
+#undef CursorShape
+#undef Expose
+#undef KeyPress
+#undef KeyRelease
+#undef FocusIn
+#undef FocusOut
+#undef FontChange
+#undef None
+#undef Status
+#undef Unsorted
+#include <util/platform.h>
+#include "auto-scene-switcher.hpp"
+
+using namespace std;
+
+static Display *xdisplay = 0;
+
+Display *disp()
+{
+	if (!xdisplay)
+		xdisplay = XOpenDisplay(NULL);
+
+	return xdisplay;
+}
+
+void CleanupSceneSwitcher()
+{
+	if (!xdisplay)
+		return;
+
+	XCloseDisplay(xdisplay);
+	xdisplay = 0;
+}
+
+static bool ewmhIsSupported()
+{
+	Display *display = disp();
+	Atom netSupportingWmCheck = XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", true);
+	Atom actualType;
+	int format = 0;
+	unsigned long num = 0, bytes = 0;
+	unsigned char *data = NULL;
+	Window ewmh_window = 0;
+	Window root_window = 0;
+
+	root_window = DefaultRootWindow(display);
+	if (!root_window) {
+		return false;
+	}
+
+	int status = XGetWindowProperty(display, root_window, netSupportingWmCheck, 0L, 1L, false, XA_WINDOW,
+					&actualType, &format, &num, &bytes, &data);
+
+	if (status == Success) {
+		if (num > 0) {
+			ewmh_window = ((Window *)data)[0];
+		}
+		if (data) {
+			XFree(data);
+			data = NULL;
+		}
+	}
+
+	if (ewmh_window) {
+		status = XGetWindowProperty(display, ewmh_window, netSupportingWmCheck, 0L, 1L, false, XA_WINDOW,
+					    &actualType, &format, &num, &bytes, &data);
+		if (status != Success || num == 0 || ewmh_window != ((Window *)data)[0]) {
+			ewmh_window = 0;
+		}
+		if (status == Success && data) {
+			XFree(data);
+		}
+	}
+
+	return ewmh_window != 0;
+}
+
+static std::vector<Window> getTopLevelWindows()
+{
+	std::vector<Window> res;
+
+	res.resize(0);
+
+	if (!ewmhIsSupported()) {
+		return res;
+	}
+
+	Atom netClList = XInternAtom(disp(), "_NET_CLIENT_LIST", true);
+	Atom actualType;
+	int format;
+	unsigned long num, bytes;
+	Window *data = 0;
+
+	for (int i = 0; i < ScreenCount(disp()); ++i) {
+		Window rootWin = RootWindow(disp(), i);
+		if (!rootWin) {
+			continue;
+		}
+
+		int status = XGetWindowProperty(disp(), rootWin, netClList, 0L, ~0L, false, AnyPropertyType,
+						&actualType, &format, &num, &bytes, (uint8_t **)&data);
+
+		if (status != Success) {
+			continue;
+		}
+
+		for (unsigned long i = 0; i < num; ++i)
+			res.emplace_back(data[i]);
+
+		XFree(data);
+	}
+
+	return res;
+}
+
+static std::string GetWindowTitle(size_t i)
+{
+	Window w = getTopLevelWindows().at(i);
+	if (!w) {
+		return "";
+	}
+	std::string windowTitle;
+	char *name;
+
+	int status = XFetchName(disp(), w, &name);
+	if (status >= Success && name != nullptr) {
+		std::string str(name);
+		windowTitle = str;
+		XFree(name);
+	} else {
+		XTextProperty xtp_new_name;
+		if (XGetWMName(disp(), w, &xtp_new_name) != 0 && xtp_new_name.value != nullptr) {
+			std::string str((const char *)xtp_new_name.value);
+			windowTitle = str;
+			XFree(xtp_new_name.value);
+		}
+	}
+
+	return windowTitle;
+}
+
+void GetWindowList(vector<string> &windows)
+{
+	windows.resize(0);
+
+	for (size_t i = 0; i < getTopLevelWindows().size(); ++i) {
+		if (GetWindowTitle(i) != "")
+			windows.emplace_back(GetWindowTitle(i));
+	}
+}
+
+void GetCurrentWindowTitle(string &title)
+{
+	if (!ewmhIsSupported()) {
+		return;
+	}
+
+	Atom active = XInternAtom(disp(), "_NET_ACTIVE_WINDOW", true);
+	Atom actualType;
+	int format;
+	unsigned long num, bytes;
+	Window *data = 0;
+	char *name;
+
+	Window rootWin = RootWindow(disp(), 0);
+	if (!rootWin) {
+		return;
+	}
+
+	XGetWindowProperty(disp(), rootWin, active, 0L, ~0L, false, AnyPropertyType, &actualType, &format, &num, &bytes,
+			   (uint8_t **)&data);
+
+	if (!data[0]) {
+		return;
+	}
+	int status = XFetchName(disp(), data[0], &name);
+
+	if (status >= Success && name != nullptr) {
+		std::string str(name);
+		title = str;
+	} else {
+		XTextProperty xtp_new_name;
+		if (XGetWMName(disp(), data[0], &xtp_new_name) != 0 && xtp_new_name.value != nullptr) {
+			std::string str((const char *)xtp_new_name.value);
+			title = str;
+			XFree(xtp_new_name.value);
+		}
+	}
+
+	XFree(name);
+}

frontend/plugins/frontend-tools/auto-scene-switcher-osx.mm

@@ -0,0 +1,45 @@
+#import <AppKit/AppKit.h>
+#include <util/platform.h>
+#include "auto-scene-switcher.hpp"
+
+using namespace std;
+
+void GetWindowList(vector<string> &windows)
+{
+    windows.resize(0);
+
+    @autoreleasepool {
+        NSWorkspace *ws = [NSWorkspace sharedWorkspace];
+        NSArray *array = [ws runningApplications];
+        for (NSRunningApplication *app in array) {
+            NSString *name = app.localizedName;
+            if (!name)
+                continue;
+
+            const char *str = name.UTF8String;
+            if (str && *str)
+                windows.emplace_back(str);
+        }
+    }
+}
+
+void GetCurrentWindowTitle(string &title)
+{
+    title.resize(0);
+
+    @autoreleasepool {
+        NSWorkspace *ws = [NSWorkspace sharedWorkspace];
+        NSRunningApplication *app = [ws frontmostApplication];
+        if (app) {
+            NSString *name = app.localizedName;
+            if (!name)
+                return;
+
+            const char *str = name.UTF8String;
+            if (str && *str)
+                title = str;
+        }
+    }
+}
+
+void CleanupSceneSwitcher() {}

frontend/plugins/frontend-tools/auto-scene-switcher-win.cpp

@@ -0,0 +1,71 @@
+#include <windows.h>
+#include <util/platform.h>
+#include "auto-scene-switcher.hpp"
+
+using namespace std;
+
+static bool GetWindowTitle(HWND window, string &title)
+{
+	size_t len = (size_t)GetWindowTextLengthW(window);
+	wstring wtitle;
+
+	wtitle.resize(len);
+	if (!GetWindowTextW(window, &wtitle[0], (int)len + 1))
+		return false;
+
+	len = os_wcs_to_utf8(wtitle.c_str(), 0, nullptr, 0);
+	title.resize(len);
+	os_wcs_to_utf8(wtitle.c_str(), 0, &title[0], len + 1);
+	return true;
+}
+
+static bool WindowValid(HWND window)
+{
+	LONG_PTR styles, ex_styles;
+	RECT rect;
+	DWORD id;
+
+	if (!IsWindowVisible(window))
+		return false;
+	GetWindowThreadProcessId(window, &id);
+	if (id == GetCurrentProcessId())
+		return false;
+
+	GetClientRect(window, &rect);
+	styles = GetWindowLongPtr(window, GWL_STYLE);
+	ex_styles = GetWindowLongPtr(window, GWL_EXSTYLE);
+
+	if (ex_styles & WS_EX_TOOLWINDOW)
+		return false;
+	if (styles & WS_CHILD)
+		return false;
+
+	return true;
+}
+
+void GetWindowList(vector<string> &windows)
+{
+	HWND window = GetWindow(GetDesktopWindow(), GW_CHILD);
+
+	while (window) {
+		string title;
+		if (WindowValid(window) && GetWindowTitle(window, title))
+			windows.emplace_back(title);
+		window = GetNextWindow(window, GW_HWNDNEXT);
+	}
+}
+
+void GetCurrentWindowTitle(string &title)
+{
+	HWND window = GetForegroundWindow();
+	DWORD id;
+
+	GetWindowThreadProcessId(window, &id);
+	if (id == GetCurrentProcessId()) {
+		title = "";
+		return;
+	}
+	GetWindowTitle(window, title);
+}
+
+void CleanupSceneSwitcher() {}

frontend/plugins/frontend-tools/auto-scene-switcher.cpp

@@ -0,0 +1,507 @@
+#include <obs-frontend-api.h>
+#include <obs-module.h>
+#include <obs.hpp>
+#include <util/util.hpp>
+#include <QMainWindow>
+#include <QMessageBox>
+#include <QAction>
+#include "auto-scene-switcher.hpp"
+#include "tool-helpers.hpp"
+
+#include <condition_variable>
+#include <chrono>
+#include <string>
+#include <vector>
+#include <thread>
+#include <regex>
+#include <mutex>
+
+using namespace std;
+
+#define DEFAULT_INTERVAL 300
+
+struct SceneSwitch {
+	OBSWeakSource scene;
+	string window;
+	regex re;
+
+	inline SceneSwitch(OBSWeakSource scene_, const char *window_) : scene(scene_), window(window_), re(window_) {}
+};
+
+static inline bool WeakSourceValid(obs_weak_source_t *ws)
+{
+	OBSSourceAutoRelease source = obs_weak_source_get_source(ws);
+	return !!source;
+}
+
+struct SwitcherData {
+	thread th;
+	condition_variable cv;
+	mutex m;
+	bool stop = false;
+
+	vector<SceneSwitch> switches;
+	OBSWeakSource nonMatchingScene;
+	int interval = DEFAULT_INTERVAL;
+	bool switchIfNotMatching = false;
+
+	void Thread();
+	void Start();
+	void Stop();
+
+	void Prune()
+	{
+		for (size_t i = 0; i < switches.size(); i++) {
+			SceneSwitch &s = switches[i];
+			if (!WeakSourceValid(s.scene))
+				switches.erase(switches.begin() + i--);
+		}
+
+		if (nonMatchingScene && !WeakSourceValid(nonMatchingScene)) {
+			switchIfNotMatching = false;
+			nonMatchingScene = nullptr;
+		}
+	}
+
+	inline ~SwitcherData() { Stop(); }
+};
+
+static SwitcherData *switcher = nullptr;
+
+static inline QString MakeSwitchName(const QString &scene, const QString &window)
+{
+	return QStringLiteral("[") + scene + QStringLiteral("]: ") + window;
+}
+
+SceneSwitcher::SceneSwitcher(QWidget *parent) : QDialog(parent), ui(new Ui_SceneSwitcher)
+{
+	ui->setupUi(this);
+
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	lock_guard<mutex> lock(switcher->m);
+
+	switcher->Prune();
+
+	BPtr<char *> scenes = obs_frontend_get_scene_names();
+	char **temp = scenes;
+	while (*temp) {
+		const char *name = *temp;
+		ui->scenes->addItem(name);
+		ui->noMatchSwitchScene->addItem(name);
+		temp++;
+	}
+
+	if (switcher->switchIfNotMatching)
+		ui->noMatchSwitch->setChecked(true);
+	else
+		ui->noMatchDontSwitch->setChecked(true);
+
+	ui->noMatchSwitchScene->setCurrentText(GetWeakSourceName(switcher->nonMatchingScene).c_str());
+	ui->checkInterval->setValue(switcher->interval);
+
+	vector<string> windows;
+	GetWindowList(windows);
+
+	for (string &window : windows)
+		ui->windows->addItem(window.c_str());
+
+	for (auto &s : switcher->switches) {
+		string sceneName = GetWeakSourceName(s.scene);
+		QString text = MakeSwitchName(sceneName.c_str(), s.window.c_str());
+
+		QListWidgetItem *item = new QListWidgetItem(text, ui->switches);
+		item->setData(Qt::UserRole, s.window.c_str());
+	}
+
+	if (switcher->th.joinable())
+		SetStarted();
+	else
+		SetStopped();
+
+	loading = false;
+	connect(this, &QDialog::finished, this, &SceneSwitcher::finished);
+}
+
+void SceneSwitcher::finished()
+{
+	obs_frontend_save();
+}
+
+int SceneSwitcher::FindByData(const QString &window)
+{
+	int count = ui->switches->count();
+	int idx = -1;
+
+	for (int i = 0; i < count; i++) {
+		QListWidgetItem *item = ui->switches->item(i);
+		QString itemWindow = item->data(Qt::UserRole).toString();
+
+		if (itemWindow == window) {
+			idx = i;
+			break;
+		}
+	}
+
+	return idx;
+}
+
+void SceneSwitcher::on_switches_currentRowChanged(int idx)
+{
+	if (loading)
+		return;
+	if (idx == -1)
+		return;
+
+	QListWidgetItem *item = ui->switches->item(idx);
+
+	QString window = item->data(Qt::UserRole).toString();
+
+	lock_guard<mutex> lock(switcher->m);
+	for (auto &s : switcher->switches) {
+		if (window.compare(s.window.c_str()) == 0) {
+			string name = GetWeakSourceName(s.scene);
+			ui->scenes->setCurrentText(name.c_str());
+			ui->windows->setCurrentText(window);
+			break;
+		}
+	}
+}
+
+void SceneSwitcher::on_close_clicked()
+{
+	done(0);
+}
+
+void SceneSwitcher::on_add_clicked()
+{
+	QString sceneName = ui->scenes->currentText();
+	QString windowName = ui->windows->currentText();
+
+	if (windowName.isEmpty())
+		return;
+
+	OBSWeakSource source = GetWeakSourceByQString(sceneName);
+	QVariant v = QVariant::fromValue(windowName);
+
+	QString text = MakeSwitchName(sceneName, windowName);
+
+	int idx = FindByData(windowName);
+
+	if (idx == -1) {
+		try {
+			lock_guard<mutex> lock(switcher->m);
+			switcher->switches.emplace_back(source, windowName.toUtf8().constData());
+
+			QListWidgetItem *item = new QListWidgetItem(text, ui->switches);
+			item->setData(Qt::UserRole, v);
+		} catch (const regex_error &) {
+			QMessageBox::warning(this, obs_module_text("InvalidRegex.Title"),
+					     obs_module_text("InvalidRegex.Text"));
+		}
+	} else {
+		QListWidgetItem *item = ui->switches->item(idx);
+		item->setText(text);
+
+		string window = windowName.toUtf8().constData();
+
+		{
+			lock_guard<mutex> lock(switcher->m);
+			for (auto &s : switcher->switches) {
+				if (s.window == window) {
+					s.scene = source;
+					break;
+				}
+			}
+		}
+
+		ui->switches->sortItems();
+	}
+}
+
+void SceneSwitcher::on_remove_clicked()
+{
+	QListWidgetItem *item = ui->switches->currentItem();
+	if (!item)
+		return;
+
+	string window = item->data(Qt::UserRole).toString().toUtf8().constData();
+
+	{
+		lock_guard<mutex> lock(switcher->m);
+		auto &switches = switcher->switches;
+
+		for (auto it = switches.begin(); it != switches.end(); ++it) {
+			auto &s = *it;
+
+			if (s.window == window) {
+				switches.erase(it);
+				break;
+			}
+		}
+	}
+
+	delete item;
+}
+
+void SceneSwitcher::UpdateNonMatchingScene(const QString &name)
+{
+	OBSSourceAutoRelease scene = obs_get_source_by_name(name.toUtf8().constData());
+	OBSWeakSourceAutoRelease ws = obs_source_get_weak_source(scene);
+
+	switcher->nonMatchingScene = ws.Get();
+}
+
+void SceneSwitcher::on_noMatchDontSwitch_clicked()
+{
+	if (loading)
+		return;
+
+	lock_guard<mutex> lock(switcher->m);
+	switcher->switchIfNotMatching = false;
+}
+
+void SceneSwitcher::on_noMatchSwitch_clicked()
+{
+	if (loading)
+		return;
+
+	lock_guard<mutex> lock(switcher->m);
+	switcher->switchIfNotMatching = true;
+	UpdateNonMatchingScene(ui->noMatchSwitchScene->currentText());
+}
+
+void SceneSwitcher::on_noMatchSwitchScene_currentTextChanged(const QString &text)
+{
+	if (loading)
+		return;
+
+	lock_guard<mutex> lock(switcher->m);
+	UpdateNonMatchingScene(text);
+}
+
+void SceneSwitcher::on_checkInterval_valueChanged(int value)
+{
+	if (loading)
+		return;
+
+	lock_guard<mutex> lock(switcher->m);
+	switcher->interval = value;
+}
+
+void SceneSwitcher::SetStarted()
+{
+	ui->toggleStartButton->setText(obs_module_text("Stop"));
+	ui->pluginRunningText->setText(obs_module_text("Active"));
+}
+
+void SceneSwitcher::SetStopped()
+{
+	ui->toggleStartButton->setText(obs_module_text("Start"));
+	ui->pluginRunningText->setText(obs_module_text("Inactive"));
+}
+
+void SceneSwitcher::on_toggleStartButton_clicked()
+{
+	if (switcher->th.joinable()) {
+		switcher->Stop();
+		SetStopped();
+	} else {
+		switcher->Start();
+		SetStarted();
+	}
+}
+
+static void SaveSceneSwitcher(obs_data_t *save_data, bool saving, void *)
+{
+	if (saving) {
+		lock_guard<mutex> lock(switcher->m);
+		OBSDataAutoRelease obj = obs_data_create();
+		OBSDataArrayAutoRelease array = obs_data_array_create();
+
+		switcher->Prune();
+
+		for (SceneSwitch &s : switcher->switches) {
+			OBSDataAutoRelease array_obj = obs_data_create();
+
+			OBSSourceAutoRelease source = obs_weak_source_get_source(s.scene);
+			if (source) {
+				const char *n = obs_source_get_name(source);
+				obs_data_set_string(array_obj, "scene", n);
+				obs_data_set_string(array_obj, "window_title", s.window.c_str());
+				obs_data_array_push_back(array, array_obj);
+			}
+		}
+
+		string nonMatchingSceneName = GetWeakSourceName(switcher->nonMatchingScene);
+
+		obs_data_set_int(obj, "interval", switcher->interval);
+		obs_data_set_string(obj, "non_matching_scene", nonMatchingSceneName.c_str());
+		obs_data_set_bool(obj, "switch_if_not_matching", switcher->switchIfNotMatching);
+		obs_data_set_bool(obj, "active", switcher->th.joinable());
+		obs_data_set_array(obj, "switches", array);
+
+		obs_data_set_obj(save_data, "auto-scene-switcher", obj);
+	} else {
+		switcher->m.lock();
+
+		OBSDataAutoRelease obj = obs_data_get_obj(save_data, "auto-scene-switcher");
+		OBSDataArrayAutoRelease array = obs_data_get_array(obj, "switches");
+		size_t count = obs_data_array_count(array);
+
+		if (!obj)
+			obj = obs_data_create();
+
+		obs_data_set_default_int(obj, "interval", DEFAULT_INTERVAL);
+
+		switcher->interval = obs_data_get_int(obj, "interval");
+		switcher->switchIfNotMatching = obs_data_get_bool(obj, "switch_if_not_matching");
+		string nonMatchingScene = obs_data_get_string(obj, "non_matching_scene");
+		bool active = obs_data_get_bool(obj, "active");
+
+		switcher->nonMatchingScene = GetWeakSourceByName(nonMatchingScene.c_str());
+
+		switcher->switches.clear();
+
+		for (size_t i = 0; i < count; i++) {
+			OBSDataAutoRelease array_obj = obs_data_array_item(array, i);
+
+			const char *scene = obs_data_get_string(array_obj, "scene");
+			const char *window = obs_data_get_string(array_obj, "window_title");
+
+			switcher->switches.emplace_back(GetWeakSourceByName(scene), window);
+		}
+
+		switcher->m.unlock();
+
+		if (active)
+			switcher->Start();
+		else
+			switcher->Stop();
+	}
+}
+
+void SwitcherData::Thread()
+{
+	chrono::duration<long long, milli> duration = chrono::milliseconds(interval);
+	string lastTitle;
+	string title;
+
+	for (;;) {
+		unique_lock<mutex> lock(m);
+		OBSWeakSource scene;
+		bool match = false;
+
+		cv.wait_for(lock, duration);
+		if (switcher->stop) {
+			switcher->stop = false;
+			break;
+		}
+
+		duration = chrono::milliseconds(interval);
+
+		GetCurrentWindowTitle(title);
+
+		if (lastTitle != title) {
+			switcher->Prune();
+
+			for (SceneSwitch &s : switches) {
+				if (s.window == title) {
+					match = true;
+					scene = s.scene;
+					break;
+				}
+			}
+
+			/* try regex */
+			if (!match) {
+				for (SceneSwitch &s : switches) {
+					try {
+						bool matches = regex_match(title, s.re);
+						if (matches) {
+							match = true;
+							scene = s.scene;
+							break;
+						}
+					} catch (const regex_error &) {
+					}
+				}
+			}
+
+			if (!match && switchIfNotMatching && nonMatchingScene) {
+				match = true;
+				scene = nonMatchingScene;
+			}
+
+			if (match) {
+				OBSSourceAutoRelease source = obs_weak_source_get_source(scene);
+				OBSSourceAutoRelease currentSource = obs_frontend_get_current_scene();
+
+				if (source && source != currentSource)
+					obs_frontend_set_current_scene(source);
+			}
+		}
+
+		lastTitle = title;
+	}
+}
+
+void SwitcherData::Start()
+{
+	if (!switcher->th.joinable())
+		switcher->th = thread([]() { switcher->Thread(); });
+}
+
+void SwitcherData::Stop()
+{
+	if (th.joinable()) {
+		{
+			lock_guard<mutex> lock(m);
+			stop = true;
+		}
+		cv.notify_one();
+		th.join();
+	}
+}
+
+extern "C" void FreeSceneSwitcher()
+{
+	CleanupSceneSwitcher();
+
+	delete switcher;
+	switcher = nullptr;
+}
+
+static void OBSEvent(enum obs_frontend_event event, void *)
+{
+	if (event == OBS_FRONTEND_EVENT_EXIT)
+		FreeSceneSwitcher();
+}
+
+extern "C" void InitSceneSwitcher()
+{
+#if !defined(__APPLE__) && !defined(_WIN32)
+	if (QApplication::platformName().contains("wayland"))
+		return;
+#endif
+
+	QAction *action = (QAction *)obs_frontend_add_tools_menu_qaction(obs_module_text("SceneSwitcher"));
+
+	switcher = new SwitcherData;
+
+	auto cb = []() {
+		obs_frontend_push_ui_translation(obs_module_get_string);
+
+		QMainWindow *window = (QMainWindow *)obs_frontend_get_main_window();
+
+		SceneSwitcher ss(window);
+		ss.exec();
+
+		obs_frontend_pop_ui_translation();
+	};
+
+	obs_frontend_add_save_callback(SaveSceneSwitcher, nullptr);
+	obs_frontend_add_event_callback(OBSEvent, nullptr);
+
+	action->connect(action, &QAction::triggered, cb);
+}

frontend/plugins/frontend-tools/auto-scene-switcher.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <QDialog>
+#include <memory>
+#include <vector>
+#include <string>
+
+#include "ui_auto-scene-switcher.h"
+
+struct obs_weak_source;
+typedef struct obs_weak_source obs_weak_source_t;
+
+class QCloseEvent;
+
+class SceneSwitcher : public QDialog {
+	Q_OBJECT
+
+public:
+	std::unique_ptr<Ui_SceneSwitcher> ui;
+	bool loading = true;
+
+	SceneSwitcher(QWidget *parent);
+
+	void SetStarted();
+	void SetStopped();
+
+	int FindByData(const QString &window);
+
+	void UpdateNonMatchingScene(const QString &name);
+
+public slots:
+	void on_switches_currentRowChanged(int idx);
+	void on_close_clicked();
+	void on_add_clicked();
+	void on_remove_clicked();
+	void on_noMatchDontSwitch_clicked();
+	void on_noMatchSwitch_clicked();
+	void on_noMatchSwitchScene_currentTextChanged(const QString &text);
+	void on_checkInterval_valueChanged(int value);
+	void on_toggleStartButton_clicked();
+	void finished();
+};
+
+void GetWindowList(std::vector<std::string> &windows);
+void GetCurrentWindowTitle(std::string &title);
+void CleanupSceneSwitcher();

frontend/plugins/frontend-tools/captions-handler.cpp

@@ -0,0 +1,39 @@
+#include "captions-handler.hpp"
+
+captions_handler::captions_handler(captions_cb callback, enum audio_format format, uint32_t sample_rate) : cb(callback)
+{
+	if (!reset_resampler(format, sample_rate))
+		throw CAPTIONS_ERROR_GENERIC_FAIL;
+}
+
+bool captions_handler::reset_resampler(enum audio_format format, uint32_t sample_rate)
+try {
+	obs_audio_info ai;
+	if (!obs_get_audio_info(&ai))
+		throw std::string("Failed to get OBS audio info");
+
+	resample_info src = {ai.samples_per_sec, AUDIO_FORMAT_FLOAT_PLANAR, ai.speakers};
+	resample_info dst = {sample_rate, format, SPEAKERS_MONO};
+
+	if (!resampler.reset(dst, src))
+		throw std::string("Failed to create audio resampler");
+
+	return true;
+
+} catch (std::string text) {
+	blog(LOG_WARNING, "%s: %s", __FUNCTION__, text.c_str());
+	return false;
+}
+
+void captions_handler::push_audio(const audio_data *audio)
+{
+	uint8_t *out[MAX_AV_PLANES];
+	uint32_t frames;
+	uint64_t ts_offset;
+	bool success;
+
+	success = audio_resampler_resample(resampler, out, &frames, &ts_offset, (const uint8_t *const *)audio->data,
+					   audio->frames);
+	if (success)
+		pcm_data(out[0], frames);
+}

frontend/plugins/frontend-tools/captions-handler.hpp

@@ -0,0 +1,57 @@
+#pragma once
+
+#include <media-io/audio-resampler.h>
+#include <obs-module.h>
+#include <functional>
+#include <string>
+
+class resampler_obj {
+	audio_resampler_t *resampler = nullptr;
+
+public:
+	inline ~resampler_obj() { audio_resampler_destroy(resampler); }
+
+	inline bool reset(const resample_info &dst, const resample_info &src)
+	{
+		audio_resampler_destroy(resampler);
+		resampler = audio_resampler_create(&dst, &src);
+		return !!resampler;
+	}
+
+	inline operator audio_resampler_t *() { return resampler; }
+};
+
+/* ------------------------------------------------------------------------- */
+
+typedef std::function<void(const std::string &)> captions_cb;
+
+#define CAPTIONS_ERROR_GENERIC_FAIL std::string(obs_module_text("Captions.Error.GenericFail"))
+
+/* ------------------------------------------------------------------------- */
+
+class captions_handler {
+	captions_cb cb;
+	resampler_obj resampler;
+
+protected:
+	inline void callback(const std::string &text) { cb(text); }
+
+	virtual void pcm_data(const void *data, size_t frames) = 0;
+
+	/* always resamples to 1 channel */
+	bool reset_resampler(enum audio_format format, uint32_t sample_rate);
+
+public:
+	/* throw std::string for errors shown to users */
+	captions_handler(captions_cb callback, enum audio_format format, uint32_t sample_rate);
+	virtual ~captions_handler() {}
+
+	void push_audio(const audio_data *audio);
+};
+
+/* ------------------------------------------------------------------------- */
+
+struct captions_handler_info {
+	std::string (*name)(void);
+	captions_handler *(*create)(captions_cb cb, const std::string &lang);
+};

frontend/plugins/frontend-tools/captions-mssapi-stream.cpp

@@ -0,0 +1,388 @@
+#include "captions-mssapi-stream.hpp"
+#include "captions-mssapi.hpp"
+#include <mmreg.h>
+#include <util/windows/CoTaskMemPtr.hpp>
+#include <util/threading.h>
+#include <util/base.h>
+
+using namespace std;
+
+#if 0
+#define debugfunc(format, ...) blog(LOG_DEBUG, "[Captions] %s(" format ")", __FUNCTION__, ##__VA_ARGS__)
+#else
+#define debugfunc(format, ...)
+#endif
+
+CaptionStream::CaptionStream(DWORD samplerate_, mssapi_captions *handler_)
+	: handler(handler_),
+	  samplerate(samplerate_),
+	  event(CreateEvent(nullptr, false, false, nullptr))
+{
+	buf_info.ulMsMinNotification = 50;
+	buf_info.ulMsBufferSize = 500;
+	buf_info.ulMsEventBias = 0;
+
+	format.wFormatTag = WAVE_FORMAT_PCM;
+	format.nChannels = 1;
+	format.nSamplesPerSec = 16000;
+	format.nAvgBytesPerSec = format.nSamplesPerSec * sizeof(uint16_t);
+	format.nBlockAlign = 2;
+	format.wBitsPerSample = 16;
+	format.cbSize = sizeof(format);
+}
+
+void CaptionStream::Stop()
+{
+	{
+		lock_guard<mutex> lock(m);
+		deque_free(buf);
+	}
+
+	cv.notify_one();
+}
+
+void CaptionStream::PushAudio(const void *data, size_t frames)
+{
+	bool ready = false;
+
+	lock_guard<mutex> lock(m);
+	deque_push_back(buf, data, frames * sizeof(int16_t));
+	write_pos += frames * sizeof(int16_t);
+
+	if (wait_size && buf->size >= wait_size)
+		ready = true;
+	if (ready)
+		cv.notify_one();
+}
+
+// IUnknown methods
+
+STDMETHODIMP CaptionStream::QueryInterface(REFIID riid, void **ppv)
+{
+	if (riid == IID_IUnknown) {
+		AddRef();
+		*ppv = this;
+
+	} else if (riid == IID_IStream) {
+		AddRef();
+		*ppv = (IStream *)this;
+
+	} else if (riid == IID_ISpStreamFormat) {
+		AddRef();
+		*ppv = (ISpStreamFormat *)this;
+
+	} else if (riid == IID_ISpAudio) {
+		AddRef();
+		*ppv = (ISpAudio *)this;
+
+	} else {
+		*ppv = nullptr;
+		return E_NOINTERFACE;
+	}
+
+	return NOERROR;
+}
+
+STDMETHODIMP_(ULONG) CaptionStream::AddRef()
+{
+	return (ULONG)os_atomic_inc_long(&refs);
+}
+
+STDMETHODIMP_(ULONG) CaptionStream::Release()
+{
+	ULONG new_refs = (ULONG)os_atomic_dec_long(&refs);
+	if (!new_refs)
+		delete this;
+
+	return new_refs;
+}
+
+// ISequentialStream methods
+
+STDMETHODIMP CaptionStream::Read(void *data, ULONG bytes, ULONG *read_bytes)
+{
+	HRESULT hr = S_OK;
+	size_t cur_size;
+
+	debugfunc("data, %lu, read_bytes", bytes);
+	if (!data)
+		return STG_E_INVALIDPOINTER;
+
+	{
+		lock_guard<mutex> lock1(m);
+		wait_size = bytes;
+		cur_size = buf->size;
+	}
+
+	unique_lock<mutex> lock(m);
+
+	if (bytes > cur_size)
+		cv.wait(lock);
+
+	if (bytes > (ULONG)buf->size) {
+		bytes = (ULONG)buf->size;
+		hr = S_FALSE;
+	}
+	if (bytes)
+		deque_pop_front(buf, data, bytes);
+	if (read_bytes)
+		*read_bytes = bytes;
+
+	wait_size = 0;
+	pos.QuadPart += bytes;
+	return hr;
+}
+
+STDMETHODIMP CaptionStream::Write(const void *, ULONG bytes, ULONG *)
+{
+	debugfunc("data, %lu, written_bytes", bytes);
+
+	return STG_E_INVALIDFUNCTION;
+}
+
+// IStream methods
+
+STDMETHODIMP CaptionStream::Seek(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER *new_pos)
+{
+	debugfunc("%lld, %lx, new_pos", move, origin);
+
+	if (!new_pos)
+		return E_POINTER;
+
+	if (origin != SEEK_CUR || move.QuadPart != 0)
+		return E_NOTIMPL;
+
+	*new_pos = pos;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::SetSize(ULARGE_INTEGER new_size)
+{
+	debugfunc("%llu", new_size);
+	return STG_E_INVALIDFUNCTION;
+}
+
+STDMETHODIMP CaptionStream::CopyTo(IStream *stream, ULARGE_INTEGER bytes, ULARGE_INTEGER *read_bytes,
+				   ULARGE_INTEGER *written_bytes)
+{
+	HRESULT hr;
+
+	debugfunc("stream, %llu, read_bytes, written_bytes", bytes);
+
+	if (!stream)
+		return STG_E_INVALIDPOINTER;
+
+	ULONG written = 0;
+	if (bytes.QuadPart > (ULONGLONG)buf->size)
+		bytes.QuadPart = (ULONGLONG)buf->size;
+
+	lock_guard<mutex> lock(m);
+	temp_buf.resize((size_t)bytes.QuadPart);
+	deque_peek_front(buf, &temp_buf[0], (size_t)bytes.QuadPart);
+
+	hr = stream->Write(temp_buf.data(), (ULONG)bytes.QuadPart, &written);
+
+	if (read_bytes)
+		*read_bytes = bytes;
+	if (written_bytes)
+		written_bytes->QuadPart = written;
+
+	return hr;
+}
+
+STDMETHODIMP CaptionStream::Commit(DWORD commit_flags)
+{
+	debugfunc("%lx", commit_flags);
+	/* TODO? */
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::Revert(void)
+{
+	debugfunc("");
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::LockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER size, DWORD type)
+{
+	debugfunc("%llu, %llu, %ld", offset, size, type);
+	/* TODO? */
+	return STG_E_INVALIDFUNCTION;
+}
+
+STDMETHODIMP CaptionStream::UnlockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER size, DWORD type)
+{
+	debugfunc("%llu, %llu, %ld", offset, size, type);
+	/* TODO? */
+	return STG_E_INVALIDFUNCTION;
+}
+
+static const wchar_t *stat_name = L"Caption stream";
+
+STDMETHODIMP CaptionStream::Stat(STATSTG *stg, DWORD flag)
+{
+	debugfunc("stg, %lu", flag);
+
+	if (!stg)
+		return E_POINTER;
+
+	lock_guard<mutex> lock(m);
+	*stg = {};
+	stg->type = STGTY_STREAM;
+	stg->cbSize.QuadPart = (ULONGLONG)buf->size;
+
+	if (flag == STATFLAG_DEFAULT) {
+		size_t byte_size = (wcslen(stat_name) + 1) * sizeof(wchar_t);
+		stg->pwcsName = (wchar_t *)CoTaskMemAlloc(byte_size);
+		memcpy(stg->pwcsName, stat_name, byte_size);
+	}
+
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::Clone(IStream **stream)
+{
+	debugfunc("stream");
+	*stream = nullptr;
+	return E_NOTIMPL;
+}
+
+// ISpStreamFormat methods
+
+STDMETHODIMP CaptionStream::GetFormat(GUID *guid, WAVEFORMATEX **co_mem_wfex_out)
+{
+	debugfunc("guid, co_mem_wfex_out");
+
+	if (!guid || !co_mem_wfex_out)
+		return E_POINTER;
+
+	if (format.wFormatTag == 0) {
+		*co_mem_wfex_out = nullptr;
+		return S_OK;
+	}
+
+	void *wfex = CoTaskMemAlloc(sizeof(format));
+	memcpy(wfex, &format, sizeof(format));
+
+	*co_mem_wfex_out = (WAVEFORMATEX *)wfex;
+	return S_OK;
+}
+
+// ISpAudio methods
+
+STDMETHODIMP CaptionStream::SetState(SPAUDIOSTATE state_, ULONGLONG)
+{
+	debugfunc("%lu, reserved", state_);
+	state = state_;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::SetFormat(REFGUID guid_ref, const WAVEFORMATEX *wfex)
+{
+	debugfunc("guid, wfex");
+	if (!wfex)
+		return E_INVALIDARG;
+
+	if (guid_ref == SPDFID_WaveFormatEx) {
+		lock_guard<mutex> lock(m);
+		memcpy(&format, wfex, sizeof(format));
+		if (!handler->reset_resampler(AUDIO_FORMAT_16BIT, wfex->nSamplesPerSec))
+			return E_FAIL;
+
+		/* 50 msec */
+		DWORD size = format.nSamplesPerSec / 20;
+		DWORD byte_size = size * format.nBlockAlign;
+		deque_reserve(buf, (size_t)byte_size);
+	}
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::GetStatus(SPAUDIOSTATUS *status)
+{
+	debugfunc("status");
+
+	if (!status)
+		return E_POINTER;
+
+	/* TODO? */
+	lock_guard<mutex> lock(m);
+	*status = {};
+	status->cbNonBlockingIO = (ULONG)buf->size;
+	status->State = state;
+	status->CurSeekPos = pos.QuadPart;
+	status->CurDevicePos = write_pos;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::SetBufferInfo(const SPAUDIOBUFFERINFO *buf_info_)
+{
+	debugfunc("buf_info");
+
+	/* TODO */
+	buf_info = *buf_info_;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::GetBufferInfo(SPAUDIOBUFFERINFO *buf_info_)
+{
+	debugfunc("buf_info");
+	if (!buf_info_)
+		return E_POINTER;
+
+	*buf_info_ = buf_info;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::GetDefaultFormat(GUID *format, WAVEFORMATEX **co_mem_wfex_out)
+{
+	debugfunc("format, co_mem_wfex_out");
+
+	if (!format || !co_mem_wfex_out)
+		return E_POINTER;
+
+	void *wfex = CoTaskMemAlloc(sizeof(format));
+	memcpy(wfex, &format, sizeof(format));
+
+	*format = SPDFID_WaveFormatEx;
+	*co_mem_wfex_out = (WAVEFORMATEX *)wfex;
+	return S_OK;
+}
+
+STDMETHODIMP_(HANDLE) CaptionStream::EventHandle(void)
+{
+	debugfunc("");
+	return event;
+}
+
+STDMETHODIMP CaptionStream::GetVolumeLevel(ULONG *level)
+{
+	debugfunc("level");
+	if (!level)
+		return E_POINTER;
+
+	*level = vol;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::SetVolumeLevel(ULONG level)
+{
+	debugfunc("%lu", level);
+	vol = level;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::GetBufferNotifySize(ULONG *size)
+{
+	debugfunc("size");
+	if (!size)
+		return E_POINTER;
+	*size = notify_size;
+	return S_OK;
+}
+
+STDMETHODIMP CaptionStream::SetBufferNotifySize(ULONG size)
+{
+	debugfunc("%lu", size);
+	notify_size = size;
+	return S_OK;
+}

frontend/plugins/frontend-tools/captions-mssapi-stream.hpp

@@ -0,0 +1,87 @@
+#pragma once
+
+#include <windows.h>
+#include <sapi.h>
+#include <condition_variable>
+#include <mutex>
+#include <vector>
+#include <obs.h>
+#include <util/deque.h>
+#include <util/windows/WinHandle.hpp>
+
+#include <fstream>
+
+class Deque {
+	deque buf = {};
+
+public:
+	inline ~Deque() { deque_free(&buf); }
+	inline operator deque *() { return &buf; }
+	inline deque *operator->() { return &buf; }
+};
+
+class mssapi_captions;
+
+class CaptionStream : public ISpAudio {
+	volatile long refs = 1;
+	SPAUDIOBUFFERINFO buf_info = {};
+	mssapi_captions *handler;
+	ULONG notify_size = 0;
+	SPAUDIOSTATE state;
+	WinHandle event;
+	ULONG vol = 0;
+
+	std::condition_variable cv;
+	std::mutex m;
+	std::vector<int16_t> temp_buf;
+	WAVEFORMATEX format = {};
+
+	Deque buf;
+	ULONG wait_size = 0;
+	DWORD samplerate = 0;
+	ULARGE_INTEGER pos = {};
+	ULONGLONG write_pos = 0;
+
+public:
+	CaptionStream(DWORD samplerate, mssapi_captions *handler_);
+
+	void Stop();
+	void PushAudio(const void *data, size_t frames);
+
+	// IUnknown methods
+	STDMETHODIMP QueryInterface(REFIID riid, void **ppv) override;
+	STDMETHODIMP_(ULONG) AddRef() override;
+	STDMETHODIMP_(ULONG) Release() override;
+
+	// ISequentialStream methods
+	STDMETHODIMP Read(void *data, ULONG bytes, ULONG *read_bytes) override;
+	STDMETHODIMP Write(const void *data, ULONG bytes, ULONG *written_bytes) override;
+
+	// IStream methods
+	STDMETHODIMP Seek(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER *new_pos) override;
+	STDMETHODIMP SetSize(ULARGE_INTEGER new_size) override;
+	STDMETHODIMP CopyTo(IStream *stream, ULARGE_INTEGER bytes, ULARGE_INTEGER *read_bytes,
+			    ULARGE_INTEGER *written_bytes) override;
+	STDMETHODIMP Commit(DWORD commit_flags) override;
+	STDMETHODIMP Revert(void) override;
+	STDMETHODIMP LockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER size, DWORD type) override;
+	STDMETHODIMP UnlockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER size, DWORD type) override;
+	STDMETHODIMP Stat(STATSTG *stg, DWORD flags) override;
+	STDMETHODIMP Clone(IStream **stream) override;
+
+	// ISpStreamFormat methods
+	STDMETHODIMP GetFormat(GUID *guid, WAVEFORMATEX **co_mem_wfex_out) override;
+
+	// ISpAudio methods
+	STDMETHODIMP SetState(SPAUDIOSTATE state, ULONGLONG reserved) override;
+	STDMETHODIMP SetFormat(REFGUID guid_ref, const WAVEFORMATEX *wfex) override;
+	STDMETHODIMP GetStatus(SPAUDIOSTATUS *status) override;
+	STDMETHODIMP SetBufferInfo(const SPAUDIOBUFFERINFO *buf_info) override;
+	STDMETHODIMP GetBufferInfo(SPAUDIOBUFFERINFO *buf_info) override;
+	STDMETHODIMP GetDefaultFormat(GUID *format, WAVEFORMATEX **co_mem_wfex_out) override;
+	STDMETHODIMP_(HANDLE) EventHandle(void) override;
+	STDMETHODIMP GetVolumeLevel(ULONG *level) override;
+	STDMETHODIMP SetVolumeLevel(ULONG level) override;
+	STDMETHODIMP GetBufferNotifySize(ULONG *size) override;
+	STDMETHODIMP SetBufferNotifySize(ULONG size) override;
+};

frontend/plugins/frontend-tools/captions-mssapi.cpp

@@ -0,0 +1,167 @@
+#include "captions-mssapi.hpp"
+
+#define do_log(type, format, ...) blog(type, "[Captions] " format, ##__VA_ARGS__)
+
+#define error(format, ...) do_log(LOG_ERROR, format, ##__VA_ARGS__)
+#define debug(format, ...) do_log(LOG_DEBUG, format, ##__VA_ARGS__)
+
+mssapi_captions::mssapi_captions(captions_cb callback, const std::string &lang)
+try : captions_handler(callback, AUDIO_FORMAT_16BIT, 16000) {
+	HRESULT hr;
+
+	std::wstring wlang;
+	wlang.resize(lang.size());
+
+	for (size_t i = 0; i < lang.size(); i++)
+		wlang[i] = (wchar_t)lang[i];
+
+	LCID lang_id = LocaleNameToLCID(wlang.c_str(), 0);
+
+	wchar_t lang_str[32];
+	_snwprintf(lang_str, 31, L"language=%x", (int)lang_id);
+
+	stop = CreateEvent(nullptr, false, false, nullptr);
+	if (!stop.Valid())
+		throw "Failed to create event";
+
+	hr = SpFindBestToken(SPCAT_RECOGNIZERS, lang_str, nullptr, &token);
+	if (FAILED(hr))
+		throw HRError("SpFindBestToken failed", hr);
+
+	hr = CoCreateInstance(CLSID_SpInprocRecognizer, nullptr, CLSCTX_ALL, __uuidof(ISpRecognizer),
+			      (void **)&recognizer);
+	if (FAILED(hr))
+		throw HRError("CoCreateInstance for recognizer failed", hr);
+
+	hr = recognizer->SetRecognizer(token);
+	if (FAILED(hr))
+		throw HRError("SetRecognizer failed", hr);
+
+	hr = recognizer->SetRecoState(SPRST_INACTIVE);
+	if (FAILED(hr))
+		throw HRError("SetRecoState(SPRST_INACTIVE) failed", hr);
+
+	hr = recognizer->CreateRecoContext(&context);
+	if (FAILED(hr))
+		throw HRError("CreateRecoContext failed", hr);
+
+	ULONGLONG interest = SPFEI(SPEI_RECOGNITION) | SPFEI(SPEI_END_SR_STREAM);
+	hr = context->SetInterest(interest, interest);
+	if (FAILED(hr))
+		throw HRError("SetInterest failed", hr);
+
+	hr = context->SetNotifyWin32Event();
+	if (FAILED(hr))
+		throw HRError("SetNotifyWin32Event", hr);
+
+	notify = context->GetNotifyEventHandle();
+	if (notify == INVALID_HANDLE_VALUE)
+		throw HRError("GetNotifyEventHandle failed", E_NOINTERFACE);
+
+	size_t sample_rate = audio_output_get_sample_rate(obs_get_audio());
+	audio = new CaptionStream((DWORD)sample_rate, this);
+	audio->Release();
+
+	hr = recognizer->SetInput(audio, false);
+	if (FAILED(hr))
+		throw HRError("SetInput failed", hr);
+
+	hr = context->CreateGrammar(1, &grammar);
+	if (FAILED(hr))
+		throw HRError("CreateGrammar failed", hr);
+
+	hr = grammar->LoadDictation(nullptr, SPLO_STATIC);
+	if (FAILED(hr))
+		throw HRError("LoadDictation failed", hr);
+
+	try {
+		t = std::thread([this]() { main_thread(); });
+	} catch (...) {
+		throw "Failed to create thread";
+	}
+
+} catch (const char *err) {
+	blog(LOG_WARNING, "%s: %s", __FUNCTION__, err);
+	throw CAPTIONS_ERROR_GENERIC_FAIL;
+
+} catch (HRError err) {
+	blog(LOG_WARNING, "%s: %s (%lX)", __FUNCTION__, err.str, err.hr);
+	throw CAPTIONS_ERROR_GENERIC_FAIL;
+}
+
+mssapi_captions::~mssapi_captions()
+{
+	if (t.joinable()) {
+		SetEvent(stop);
+		t.join();
+	}
+}
+
+void mssapi_captions::main_thread()
+try {
+	HRESULT hr;
+
+	os_set_thread_name(__FUNCTION__);
+
+	hr = grammar->SetDictationState(SPRS_ACTIVE);
+	if (FAILED(hr))
+		throw HRError("SetDictationState failed", hr);
+
+	hr = recognizer->SetRecoState(SPRST_ACTIVE);
+	if (FAILED(hr))
+		throw HRError("SetRecoState(SPRST_ACTIVE) failed", hr);
+
+	HANDLE events[] = {notify, stop};
+
+	started = true;
+
+	for (;;) {
+		DWORD ret = WaitForMultipleObjects(2, events, false, INFINITE);
+		if (ret != WAIT_OBJECT_0)
+			break;
+
+		CSpEvent event;
+		bool exit = false;
+
+		while (event.GetFrom(context) == S_OK) {
+			if (event.eEventId == SPEI_RECOGNITION) {
+				ISpRecoResult *result = event.RecoResult();
+
+				CoTaskMemPtr<wchar_t> text;
+				hr = result->GetText((ULONG)-1, (ULONG)-1, true, &text, nullptr);
+				if (FAILED(hr))
+					continue;
+
+				char text_utf8[512];
+				os_wcs_to_utf8(text, 0, text_utf8, 512);
+
+				callback(text_utf8);
+
+				blog(LOG_DEBUG, "\"%s\"", text_utf8);
+
+			} else if (event.eEventId == SPEI_END_SR_STREAM) {
+				exit = true;
+				break;
+			}
+		}
+
+		if (exit)
+			break;
+	}
+
+	audio->Stop();
+
+} catch (HRError err) {
+	blog(LOG_WARNING, "%s failed: %s (%lX)", __FUNCTION__, err.str, err.hr);
+}
+
+void mssapi_captions::pcm_data(const void *data, size_t frames)
+{
+	if (started)
+		audio->PushAudio(data, frames);
+}
+
+captions_handler_info mssapi_info = {[]() -> std::string { return "Microsoft Speech-to-Text"; },
+				     [](captions_cb cb, const std::string &lang) -> captions_handler * {
+					     return new mssapi_captions(cb, lang);
+				     }};

frontend/plugins/frontend-tools/captions-mssapi.hpp

@@ -0,0 +1,47 @@
+#pragma once
+
+#include "captions-handler.hpp"
+#include "captions-mssapi-stream.hpp"
+#include <util/windows/HRError.hpp>
+#include <util/windows/ComPtr.hpp>
+#include <util/windows/WinHandle.hpp>
+#include <util/windows/CoTaskMemPtr.hpp>
+#include <util/threading.h>
+#include <util/platform.h>
+
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4996)
+#endif
+
+#include <sphelper.h>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#include <obs.hpp>
+
+#include <thread>
+
+class mssapi_captions : public captions_handler {
+	friend class CaptionStream;
+
+	ComPtr<CaptionStream> audio;
+	ComPtr<ISpObjectToken> token;
+	ComPtr<ISpRecoGrammar> grammar;
+	ComPtr<ISpRecognizer> recognizer;
+	ComPtr<ISpRecoContext> context;
+
+	HANDLE notify;
+	WinHandle stop;
+	std::thread t;
+	bool started = false;
+
+	void main_thread();
+
+public:
+	mssapi_captions(captions_cb callback, const std::string &lang);
+	virtual ~mssapi_captions();
+	virtual void pcm_data(const void *data, size_t frames) override;
+};

frontend/plugins/frontend-tools/captions.cpp

@@ -0,0 +1,421 @@
+#include <QMessageBox>
+#include <QAction>
+
+#include <windows.h>
+#include <obs-frontend-api.h>
+#include "captions.hpp"
+#include "captions-handler.hpp"
+#include "tool-helpers.hpp"
+#include <util/dstr.hpp>
+#include <util/platform.h>
+#include <util/windows/WinHandle.hpp>
+#include <util/windows/ComPtr.hpp>
+#include <obs-module.h>
+
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4996)
+#endif
+
+#include <sphelper.h>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#include <unordered_map>
+#include <vector>
+#include <string>
+#include <thread>
+#include <mutex>
+
+#include "captions-mssapi.hpp"
+
+#define do_log(type, format, ...) blog(type, "[Captions] " format, ##__VA_ARGS__)
+
+#define warn(format, ...) do_log(LOG_WARNING, format, ##__VA_ARGS__)
+#define debug(format, ...) do_log(LOG_DEBUG, format, ##__VA_ARGS__)
+
+using namespace std;
+
+#define DEFAULT_HANDLER "mssapi"
+
+struct obs_captions {
+	string handler_id = DEFAULT_HANDLER;
+	string source_name;
+	OBSWeakSource source;
+	unique_ptr<captions_handler> handler;
+	LANGID lang_id = GetUserDefaultUILanguage();
+
+	std::unordered_map<std::string, captions_handler_info &> handler_types;
+
+	inline void register_handler(const char *id, captions_handler_info &info) { handler_types.emplace(id, info); }
+
+	void start();
+	void stop();
+
+	obs_captions();
+	inline ~obs_captions() { stop(); }
+};
+
+static obs_captions *captions = nullptr;
+
+/* ------------------------------------------------------------------------- */
+
+struct locale_info {
+	DStr name;
+	LANGID id;
+
+	inline locale_info() {}
+	inline locale_info(const locale_info &) = delete;
+	inline locale_info(locale_info &&li) : name(std::move(li.name)), id(li.id) {}
+};
+
+static void get_valid_locale_names(vector<locale_info> &names);
+static bool valid_lang(LANGID id);
+
+/* ------------------------------------------------------------------------- */
+
+CaptionsDialog::CaptionsDialog(QWidget *parent) : QDialog(parent), ui(new Ui_CaptionsDialog)
+{
+	ui->setupUi(this);
+
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	auto cb = [this](obs_source_t *source) {
+		uint32_t caps = obs_source_get_output_flags(source);
+		QString name = obs_source_get_name(source);
+
+		if (caps & OBS_SOURCE_AUDIO)
+			ui->source->addItem(name);
+
+		OBSWeakSource weak = OBSGetWeakRef(source);
+		if (weak == captions->source)
+			ui->source->setCurrentText(name);
+		return true;
+	};
+
+	using cb_t = decltype(cb);
+
+	ui->source->blockSignals(true);
+	ui->source->addItem(QStringLiteral(""));
+	ui->source->setCurrentIndex(0);
+	obs_enum_sources([](void *data, obs_source_t *source) { return (*static_cast<cb_t *>(data))(source); }, &cb);
+	ui->source->blockSignals(false);
+
+	for (auto &ht : captions->handler_types) {
+		QString name = ht.second.name().c_str();
+		QString id = ht.first.c_str();
+		ui->provider->addItem(name, id);
+	}
+
+	QString qhandler_id = captions->handler_id.c_str();
+	int idx = ui->provider->findData(qhandler_id);
+	if (idx != -1)
+		ui->provider->setCurrentIndex(idx);
+
+	ui->enable->blockSignals(true);
+	ui->enable->setChecked(!!captions->handler);
+	ui->enable->blockSignals(false);
+
+	vector<locale_info> locales;
+	get_valid_locale_names(locales);
+
+	bool set_language = false;
+
+	ui->language->blockSignals(true);
+	for (int idx = 0; idx < (int)locales.size(); idx++) {
+		locale_info &locale = locales[idx];
+
+		ui->language->addItem(locale.name->array, (int)locale.id);
+
+		if (locale.id == captions->lang_id) {
+			ui->language->setCurrentIndex(idx);
+			set_language = true;
+		}
+	}
+
+	if (!set_language && locales.size())
+		ui->language->setCurrentIndex(0);
+
+	ui->language->blockSignals(false);
+
+	if (!locales.size()) {
+		ui->source->setEnabled(false);
+		ui->enable->setEnabled(false);
+		ui->language->setEnabled(false);
+
+	} else if (!set_language) {
+		bool started = !!captions->handler;
+		if (started)
+			captions->stop();
+
+		captions->lang_id = locales[0].id;
+
+		if (started)
+			captions->start();
+	}
+}
+
+void CaptionsDialog::on_source_currentIndexChanged(int)
+{
+	bool started = !!captions->handler;
+	if (started)
+		captions->stop();
+
+	captions->source_name = ui->source->currentText().toUtf8().constData();
+	captions->source = GetWeakSourceByName(captions->source_name.c_str());
+
+	if (started)
+		captions->start();
+}
+
+void CaptionsDialog::on_enable_clicked(bool checked)
+{
+	if (checked) {
+		captions->start();
+		if (!captions->handler) {
+			ui->enable->blockSignals(true);
+			ui->enable->setChecked(false);
+			ui->enable->blockSignals(false);
+		}
+	} else {
+		captions->stop();
+	}
+}
+
+void CaptionsDialog::on_language_currentIndexChanged(int)
+{
+	bool started = !!captions->handler;
+	if (started)
+		captions->stop();
+
+	captions->lang_id = (LANGID)ui->language->currentData().toInt();
+
+	if (started)
+		captions->start();
+}
+
+void CaptionsDialog::on_provider_currentIndexChanged(int idx)
+{
+	bool started = !!captions->handler;
+	if (started)
+		captions->stop();
+
+	captions->handler_id = ui->provider->itemData(idx).toString().toUtf8().constData();
+
+	if (started)
+		captions->start();
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void caption_text(const std::string &text)
+{
+	OBSOutputAutoRelease output = obs_frontend_get_streaming_output();
+	if (output) {
+		obs_output_output_caption_text1(output, text.c_str());
+	}
+}
+
+static void audio_capture(void *, obs_source_t *, const struct audio_data *audio, bool)
+{
+	captions->handler->push_audio(audio);
+}
+
+void obs_captions::start()
+{
+	if (!captions->handler && valid_lang(lang_id)) {
+		wchar_t wname[256];
+
+		auto pair = handler_types.find(handler_id);
+		if (pair == handler_types.end()) {
+			warn("Failed to find handler '%s'", handler_id.c_str());
+			return;
+		}
+
+		if (!LCIDToLocaleName(lang_id, wname, 256, 0)) {
+			warn("Failed to get locale name: %d", (int)GetLastError());
+			return;
+		}
+
+		size_t len = (size_t)wcslen(wname);
+
+		string lang_name;
+		lang_name.resize(len);
+
+		for (size_t i = 0; i < len; i++)
+			lang_name[i] = (char)wname[i];
+
+		OBSSource s = OBSGetStrongRef(source);
+		if (!s) {
+			warn("Source invalid");
+			return;
+		}
+
+		try {
+			captions_handler *h = pair->second.create(caption_text, lang_name);
+			handler.reset(h);
+
+			OBSSource s = OBSGetStrongRef(source);
+			obs_source_add_audio_capture_callback(s, audio_capture, nullptr);
+
+		} catch (std::string text) {
+			QWidget *window = (QWidget *)obs_frontend_get_main_window();
+
+			warn("Failed to create handler: %s", text.c_str());
+
+			QMessageBox::warning(window, obs_module_text("Captions.Error.GenericFail"), text.c_str());
+		}
+	}
+}
+
+void obs_captions::stop()
+{
+	OBSSource s = OBSGetStrongRef(source);
+	if (s)
+		obs_source_remove_audio_capture_callback(s, audio_capture, nullptr);
+	handler.reset();
+}
+
+static bool get_locale_name(LANGID id, char *out)
+{
+	wchar_t name[256];
+
+	int size = GetLocaleInfoW(id, LOCALE_SENGLISHLANGUAGENAME, name, 256);
+	if (size <= 0)
+		return false;
+
+	os_wcs_to_utf8(name, 0, out, 256);
+	return true;
+}
+
+static bool valid_lang(LANGID id)
+{
+	ComPtr<ISpObjectToken> token;
+	wchar_t lang_str[32];
+	HRESULT hr;
+
+	_snwprintf(lang_str, 31, L"language=%x", (int)id);
+
+	hr = SpFindBestToken(SPCAT_RECOGNIZERS, lang_str, nullptr, &token);
+	return SUCCEEDED(hr);
+}
+
+static void get_valid_locale_names(vector<locale_info> &locales)
+{
+	locale_info cur;
+	char locale_name[256];
+
+	static const LANGID default_locales[] = {0x0409, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407, 0x0408,
+						 0x040a, 0x040b, 0x040c, 0x040d, 0x040e, 0x040f, 0x0410, 0x0411, 0x0412,
+						 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041a, 0};
+
+	/* ---------------------------------- */
+
+	LANGID def_id = GetUserDefaultUILanguage();
+	LANGID id = def_id;
+	if (valid_lang(id) && get_locale_name(id, locale_name)) {
+		dstr_copy(cur.name, obs_module_text("Captions.CurrentSystemLanguage"));
+		dstr_replace(cur.name, "%1", locale_name);
+		cur.id = id;
+
+		locales.push_back(std::move(cur));
+	}
+
+	/* ---------------------------------- */
+
+	const LANGID *locale = default_locales;
+
+	while (*locale) {
+		id = *locale;
+
+		if (id != def_id && valid_lang(id) && get_locale_name(id, locale_name)) {
+
+			dstr_copy(cur.name, locale_name);
+			cur.id = id;
+
+			locales.push_back(std::move(cur));
+		}
+
+		locale++;
+	}
+}
+
+/* ------------------------------------------------------------------------- */
+
+extern captions_handler_info mssapi_info;
+
+obs_captions::obs_captions()
+{
+	register_handler("mssapi", mssapi_info);
+}
+
+/* ------------------------------------------------------------------------- */
+
+extern "C" void FreeCaptions()
+{
+	delete captions;
+	captions = nullptr;
+}
+
+static void obs_event(enum obs_frontend_event event, void *)
+{
+	if (event == OBS_FRONTEND_EVENT_EXIT)
+		FreeCaptions();
+}
+
+static void save_caption_data(obs_data_t *save_data, bool saving, void *)
+{
+	if (saving) {
+		OBSDataAutoRelease obj = obs_data_create();
+
+		obs_data_set_string(obj, "source", captions->source_name.c_str());
+		obs_data_set_bool(obj, "enabled", !!captions->handler);
+		obs_data_set_int(obj, "lang_id", captions->lang_id);
+		obs_data_set_string(obj, "provider", captions->handler_id.c_str());
+
+		obs_data_set_obj(save_data, "captions", obj);
+	} else {
+		captions->stop();
+
+		OBSDataAutoRelease obj = obs_data_get_obj(save_data, "captions");
+		if (!obj)
+			obj = obs_data_create();
+
+		obs_data_set_default_int(obj, "lang_id", GetUserDefaultUILanguage());
+		obs_data_set_default_string(obj, "provider", DEFAULT_HANDLER);
+
+		bool enabled = obs_data_get_bool(obj, "enabled");
+		captions->source_name = obs_data_get_string(obj, "source");
+		captions->lang_id = (int)obs_data_get_int(obj, "lang_id");
+		captions->handler_id = obs_data_get_string(obj, "provider");
+		captions->source = GetWeakSourceByName(captions->source_name.c_str());
+
+		if (enabled)
+			captions->start();
+	}
+}
+
+extern "C" void InitCaptions()
+{
+	QAction *action = (QAction *)obs_frontend_add_tools_menu_qaction(obs_module_text("Captions"));
+
+	captions = new obs_captions;
+
+	auto cb = []() {
+		obs_frontend_push_ui_translation(obs_module_get_string);
+
+		QWidget *window = (QWidget *)obs_frontend_get_main_window();
+
+		CaptionsDialog dialog(window);
+		dialog.exec();
+
+		obs_frontend_pop_ui_translation();
+	};
+
+	obs_frontend_add_save_callback(save_caption_data, nullptr);
+	obs_frontend_add_event_callback(obs_event, nullptr);
+
+	action->connect(action, &QAction::triggered, cb);
+}

frontend/plugins/frontend-tools/captions.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <QDialog>
+#include <memory>
+
+#include "ui_captions.h"
+
+class CaptionsDialog : public QDialog {
+	Q_OBJECT
+
+	std::unique_ptr<Ui_CaptionsDialog> ui;
+
+public:
+	CaptionsDialog(QWidget *parent);
+
+public slots:
+	void on_source_currentIndexChanged(int idx);
+	void on_enable_clicked(bool checked);
+	void on_language_currentIndexChanged(int idx);
+	void on_provider_currentIndexChanged(int idx);
+};

frontend/plugins/frontend-tools/cmake/windows/obs-module.rc.in

@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION ${OBS_VERSION_MAJOR},${OBS_VERSION_MINOR},${OBS_VERSION_PATCH},0
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904B0"
+    BEGIN
+      VALUE "CompanyName", "${OBS_COMPANY_NAME}"
+      VALUE "FileDescription", "OBS Frontend Tools"
+      VALUE "FileVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "ProductName", "${OBS_PRODUCT_NAME}"
+      VALUE "ProductVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "Comments", "${OBS_COMMENTS}"
+      VALUE "LegalCopyright", "${OBS_LEGAL_COPYRIGHT}"
+      VALUE "InternalName", "frontend-tools"
+      VALUE "OriginalFilename", "frontend-tools"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 0x04B0
+  END
+END

frontend/plugins/frontend-tools/data/locale/af-ZA.ini

@@ -0,0 +1,37 @@
+SceneSwitcher="Outomatiese toneelwisselaar"
+SceneSwitcher.ActiveOrNotActive="Toneelwisselaar is:"
+InvalidRegex.Title="Ongeldige reguliere uitdrukking"
+InvalidRegex.Text="Die ingevoerde reguliere uitdrukking is ongeldig."
+Active="Aktief"
+Inactive="Onaktief"
+Start="Begin"
+Captions="Ondertiteling (eksperimenteel)"
+Captions.AudioSource="Oudiobron"
+Captions.CurrentSystemLanguage="Huidige stelseltaal (%1)"
+Captions.Provider="Voorsiener"
+Captions.Error.GenericFail="Kon nie ondertiteling begin nie"
+OutputTimer.Stream="Stop stroom na:"
+OutputTimer.Record="Stop opname na:"
+OutputTimer.Stream.StoppingIn="Stroom stop oor:"
+OutputTimer.Record.StoppingIn="Opname stop oor:"
+Scripts="Skripte"
+LoadedScripts="Gelaaide skripte"
+AddScripts="Voeg skripte toe"
+RemoveScripts="Verwyder skripte"
+ReloadScripts="Herlaai skripte"
+EditScript="Wysig skrip"
+Reload="Gerlaai"
+OpenFileLocation="Open lêerligging"
+PythonSettings="Python-instellings"
+PythonSettings.PythonInstallPath32bit="Python Installasiepad (32 bis)"
+PythonSettings.PythonInstallPath64bit="Python Installasiepad (64 bis)"
+PythonSettings.BrowsePythonPath="Blaai na Python pad"
+PythonSettings.PythonVersion="Gelaaide Python-weergawe: %1"
+PythonSettings.PythonNotLoaded="Python nie tans gelaai nie"
+PythonSettings.AlreadyLoaded.Title="Python is reeds gelaai"
+PythonSettings.AlreadyLoaded.Message="’n Kopie van Python %1 is reeds gelaai. Om die nuutgekose Python-weergawe te laai moet u OBS herbegin."
+ScriptLogWindow="Skriplogboek"
+Description="Beskrywing"
+ScriptDescriptionLink.Text="Open hierdie skakel in u verstekwebblaaier?"
+FileFilter.ScriptFiles="Skriplêers"
+FileFilter.AllFiles="Alle lêers"

frontend/plugins/frontend-tools/data/locale/an-ES.ini

@@ -0,0 +1,42 @@
+SceneSwitcher="Cambiador automatico de scenas"
+SceneSwitcher.OnNoMatch="Cuan no coincide garra finestra:"
+SceneSwitcher.OnNoMatch.DontSwitch="No cambiar"
+SceneSwitcher.OnNoMatch.SwitchTo="Cambiar ta:"
+SceneSwitcher.CheckInterval="Comprebar lo titol d'a finestra activa cada:"
+SceneSwitcher.ActiveOrNotActive="Lo cambiador de scena ye:"
+InvalidRegex.Title="Expresión regular no valida"
+InvalidRegex.Text="La expresión regular que has escrito no ye valida."
+Active="Activo"
+Inactive="Inactivo"
+Start="Iniciar"
+Stop="Aturar"
+Captions="Subtitols (experimental)"
+Captions.AudioSource="Fuent d'audio"
+Captions.CurrentSystemLanguage="Idioma d'o sistema actual (%1)"
+Captions.Provider="Proveyedor"
+Captions.Error.GenericFail="No s'han puesto iniciar los subtitols"
+OutputTimer="Temporizador de salida"
+OutputTimer.Stream="Aturar la transmisión dimpués de:"
+OutputTimer.Record="Aturar la gravación dimpués de:"
+OutputTimer.Stream.StoppingIn="La transmisión s'aturará d'aquí a:"
+OutputTimer.Record.StoppingIn="La gravación s'aturará d'aquí a:"
+OutputTimer.Stream.EnableEverytime="Activar lo temporizador de transmisión cada vegada"
+OutputTimer.Record.EnableEverytime="Activar lo temporizador de gravación cada vegada"
+OutputTimer.Record.PauseTimer="Pausar lo temporizador en pausar la gravación"
+LoadedScripts="Scripts cargaus"
+AddScripts="Anyadir scripts"
+RemoveScripts="Elminar scripts"
+ReloadScripts="Recargar scripts"
+EditScript="Editar lo script"
+Reload="Recargar"
+OpenFileLocation="Ubrir la localización d'o fichero"
+PythonSettings="Achustes de Python"
+PythonSettings.PythonInstallPath32bit="Camín d'instalación de Python (32 bits)"
+PythonSettings.PythonInstallPath64bit="Camín d'instalación de Python (64 bits)"
+PythonSettings.BrowsePythonPath="Mirar lo camín de Python"
+ScriptLogWindow="Rechistro de scripts"
+Description="Descripción"
+ScriptDescriptionLink.Text="Ubrir este vinclo en o tuyo navegador per defecto?"
+ScriptDescriptionLink.OpenURL="Ubrir la URL"
+FileFilter.ScriptFiles="Fichers script"
+FileFilter.AllFiles="Toz los Fichers"

frontend/plugins/frontend-tools/data/locale/ar-SA.ini

@@ -0,0 +1,48 @@
+SceneSwitcher="مبدل المَشاهِد التلقائي"
+SceneSwitcher.OnNoMatch="عندما لا تتطابق أي نافذة:"
+SceneSwitcher.OnNoMatch.DontSwitch="لا تقم بالتبديل"
+SceneSwitcher.OnNoMatch.SwitchTo="التبديل إلى:"
+SceneSwitcher.CheckInterval="التأكد من عنوان النافذة النشطة كل:"
+SceneSwitcher.ActiveOrNotActive="حالة مبدل المشاهد:"
+InvalidRegex.Title="تعبير نمطي غير صحيح"
+InvalidRegex.Text="التعبير النمطي الذي أدخلته غير صحيح."
+Active="مفعّل"
+Inactive="غير مُفعّل"
+Start="ابدأ"
+Stop="ايقاف"
+Captions="ترجمة فورية (تجريبي)"
+Captions.AudioSource="مصدر الصوت"
+Captions.CurrentSystemLanguage="لغة النظام الحالية (%1)"
+Captions.Provider="موفر الخدمة"
+Captions.Error.GenericFail="فشل في تشغيل الترجمة الفورية"
+OutputTimer="مؤقِّت الإخراج"
+OutputTimer.Stream="إيقاف البث بعد:"
+OutputTimer.Record="إيقاف التسجيل بعد:"
+OutputTimer.Stream.StoppingIn="سيتم إيقاف البث بعد:"
+OutputTimer.Record.StoppingIn="سيتم إيقاف التسجيل بعد:"
+OutputTimer.Stream.EnableEverytime="تفعيل مؤقِّت البث في كل مرة"
+OutputTimer.Record.EnableEverytime="تفعيل مؤقِّت التسجيل في كل مرة"
+OutputTimer.Record.PauseTimer="إيقاف المُؤَقِت عندما يكون التسجيل متوقف"
+Scripts="سكريبتات"
+LoadedScripts="السكريبتات المحملة"
+AddScripts="إضافة سكريبت"
+RemoveScripts="إزالة السكريبت"
+ReloadScripts="إعادة تحميل السكربتات"
+EditScript="تحرير سكريبت"
+Reload="إعادة تحميل"
+OpenFileLocation="فتح موقع الملف"
+PythonSettings="إعدادات بايثون"
+PythonSettings.PythonInstallPath32bit="مسار تثبيت بايثون (32 بت)"
+PythonSettings.PythonInstallPath64bit="مسار تثبيت بايثون (64 بت)"
+PythonSettings.BrowsePythonPath="استعراض مسار البايثون"
+PythonSettings.PythonVersion="إصدار البايثون المُحمل: %1"
+PythonSettings.PythonNotLoaded="لم يتم تحميل بايثون حاليًا"
+PythonSettings.AlreadyLoaded.Title="تم تحميل بايثون بالفعل"
+PythonSettings.AlreadyLoaded.Message="نسخة بايثون %1 قد تم تحميلها. لتحميل إصدار بايثون الذي تم اختياره للتو، الرجاء إعادة تشغيل OBS."
+ScriptLogWindow="سجل السكريبت"
+Description="الوصف"
+ScriptDescriptionLink.Text="فتح هذا الرابط في متصفحك الافتراضي ؟"
+ScriptDescriptionLink.Text.Url="الرابط: %1"
+ScriptDescriptionLink.OpenURL="فتح الرابط"
+FileFilter.ScriptFiles="ملفات سكريبت"
+FileFilter.AllFiles="جميع الملفات"

frontend/plugins/frontend-tools/data/locale/az-AZ.ini

@@ -0,0 +1,47 @@
+SceneSwitcher="Avtomatik Səhnə Dəyişdirici"
+SceneSwitcher.OnNoMatch="Heç bir pəncərəyə uyğun gəlməyəndə:"
+SceneSwitcher.OnNoMatch.DontSwitch="Dəyişdirmə"
+SceneSwitcher.OnNoMatch.SwitchTo="Dəyişdir:"
+SceneSwitcher.CheckInterval="Aktiv pəncərə başlığını yoxla:"
+SceneSwitcher.ActiveOrNotActive="Səhnə Dəyişdirici:"
+InvalidRegex.Title="Etibarsız Müntəzəm İfadə"
+InvalidRegex.Text="Daxil etdiyiniz müntəzəm ifadə etibarsızdır."
+Active="Aktiv"
+Inactive="Qeyri aktiv"
+Start="Başlat"
+Stop="Dayandır"
+Captions="Altyazılar (Təcrübi)"
+Captions.AudioSource="Səs mənbəsi"
+Captions.CurrentSystemLanguage="Hazırki Sistem Dili (%1)"
+Captions.Provider="Təchizatçı"
+Captions.Error.GenericFail="Altyazı başladılmadı"
+OutputTimer="Çıxış Vaxtölçəni"
+OutputTimer.Stream="Yayımı dayandır:"
+OutputTimer.Record="Yazmanı dayandır:"
+OutputTimer.Stream.StoppingIn="Yayım dayandırılır:"
+OutputTimer.Record.StoppingIn="Yazma dayandırılır:"
+OutputTimer.Stream.EnableEverytime="Hər dəfə yayım vaxtölçənini fəallaşdır"
+OutputTimer.Record.EnableEverytime="Hər dəfə yazma vaxtölçənini fəallaşdır"
+OutputTimer.Record.PauseTimer="Yazmaya fasilə veriləndə vaxtölçənə də fasilə ver"
+Scripts="Skriptlər"
+LoadedScripts="Yüklənmiş skriptlər"
+AddScripts="Skript əlavə et"
+RemoveScripts="Skripti çıxart"
+ReloadScripts="Skripti yenidən yüklə"
+EditScript="Kodu redaktə et"
+Reload="Yenidən yüklə"
+OpenFileLocation="Fayl yerləşməsini aç"
+PythonSettings="Python Tənzimləmələri"
+PythonSettings.PythonInstallPath32bit="Python Quraşdırma Yolu (32 bit)"
+PythonSettings.PythonInstallPath64bit="Python Quraşdırma Yolu (64 bit)"
+PythonSettings.BrowsePythonPath="Python yoluna nəzər yetir"
+PythonSettings.PythonVersion="Yüklənmiş Python Versiyası:%1"
+PythonSettings.PythonNotLoaded="Python hazırda yüklənməyib"
+PythonSettings.AlreadyLoaded.Title="Python artıq yüklənib"
+PythonSettings.AlreadyLoaded.Message="Python %1 üçün bir kopya artıq yüklüdür. Seçilmiş yeni Python versiyasını yükləmək üçün OBS'i yenidən başlat."
+ScriptLogWindow="Sktript jurnalı"
+Description="Açıqlama"
+ScriptDescriptionLink.Text="Bu bağlantı ilkin veb səyyahında açılsın?"
+ScriptDescriptionLink.OpenURL="URL-ni aç"
+FileFilter.ScriptFiles="Skript faylları"
+FileFilter.AllFiles="Bütün fayllar"

frontend/plugins/frontend-tools/data/locale/ba-RU.ini

@@ -0,0 +1,8 @@
+Active="Әүҙемле"
+Inactive="Әүҙемһеҙ"
+Start="Башларға"
+Stop="Туҡтатырға"
+Captions.AudioSource="Тауыш сығанағы"
+Captions.CurrentSystemLanguage="Системаның ағымдағы теле (%1)"
+Scripts="Скрипттар"
+FileFilter.AllFiles="Барлыҡ файлдар"

frontend/plugins/frontend-tools/data/locale/be-BY.ini

@@ -0,0 +1,47 @@
+SceneSwitcher="Аўтаматычны пераключальнік сцэн"
+SceneSwitcher.OnNoMatch="Калі няма адпаведных вокнаў:"
+SceneSwitcher.OnNoMatch.DontSwitch="Не пераключацца"
+SceneSwitcher.OnNoMatch.SwitchTo="Пераключыцца на"
+SceneSwitcher.CheckInterval="Правяраць загаловак актыўнага акна раз на"
+SceneSwitcher.ActiveOrNotActive="Стан пераключальніка:"
+InvalidRegex.Title="Няправільны рэгулярны выраз"
+InvalidRegex.Text="Уведзены рэгулярны выраз ёсць памылковым."
+Active="Актыўны"
+Inactive="Неактыўны"
+Start="Пачаць"
+Stop="Спыніць"
+Captions="Субцітры (эксперыментальны)"
+Captions.AudioSource="Крыніца гуку"
+Captions.CurrentSystemLanguage="Бягучая мова сістэмы (%1)"
+Captions.Provider="Пастаўшчык"
+Captions.Error.GenericFail="Не атрымалася запусціць субцітры"
+OutputTimer="Таймер вываду"
+OutputTimer.Stream="Спыніць стрым праз"
+OutputTimer.Record="Спыніць запіс праз"
+OutputTimer.Stream.StoppingIn="Стрым спыніцца праз"
+OutputTimer.Record.StoppingIn="Запіс спыніцца праз"
+OutputTimer.Stream.EnableEverytime="Заўжды ўключаць таймер стрыма"
+OutputTimer.Record.EnableEverytime="Заўжды ўключаць таймер запісу"
+OutputTimer.Record.PauseTimer="Прыпыняць таймер пры прыпыненні запісу"
+Scripts="Скрыпты"
+LoadedScripts="Загружаныя скрыпты"
+AddScripts="Дадаць скрыпты"
+RemoveScripts="Выдаліць скрыпты"
+ReloadScripts="Перазагрузіць скрыпты"
+EditScript="Рэдагаваць"
+Reload="Перазагрузіць"
+OpenFileLocation="Адкрыць папку з файлам"
+PythonSettings="Налады Python"
+PythonSettings.PythonInstallPath32bit="Шлях да Python (32 біт)"
+PythonSettings.PythonInstallPath64bit="Шлях да Python (64 біт)"
+PythonSettings.BrowsePythonPath="Знайсці шлях да Python"
+PythonSettings.PythonVersion="Загружаная версія Python: %1"
+PythonSettings.PythonNotLoaded="Python не загружаны"
+PythonSettings.AlreadyLoaded.Title="Python ужо загружаны"
+PythonSettings.AlreadyLoaded.Message="Python %1 ужо загружаны. Каб загрузіць версію, выбраную зараз, перазапусціце OBS."
+ScriptLogWindow="Журнал"
+Description="Апісанне"
+ScriptDescriptionLink.Text="Адкрыць спасылку ў прадвызначаным вэб-браўзеры?"
+ScriptDescriptionLink.OpenURL="Адкрыць URL"
+FileFilter.ScriptFiles="Файлы скрыптаў"
+FileFilter.AllFiles="Усе файлы"

frontend/plugins/frontend-tools/data/locale/bg-BG.ini

@@ -0,0 +1,46 @@
+SceneSwitcher="Автоматичен превключвател на сцени"
+SceneSwitcher.OnNoMatch="Когато прозорците не съвпадат:"
+SceneSwitcher.OnNoMatch.DontSwitch="Без превключване"
+SceneSwitcher.OnNoMatch.SwitchTo="Превключи на:"
+SceneSwitcher.CheckInterval="Проверка название на активния прозорец всеки:"
+SceneSwitcher.ActiveOrNotActive="Превключвателят на сцени е:"
+InvalidRegex.Title="Невалиден регулярен израз"
+InvalidRegex.Text="Въведохте невалиден регулярен израз."
+Active="Активен"
+Inactive="Изключен"
+Start="Стартирай"
+Stop="Спри"
+Captions="Надписи (експериментално)"
+Captions.AudioSource="Звуков източник"
+Captions.CurrentSystemLanguage="Текущ език на системата (%1)"
+Captions.Provider="Доставчик"
+Captions.Error.GenericFail="Неуспешно зареждане на надписи"
+OutputTimer="Изходен таймер"
+OutputTimer.Stream="Прекъсни излъчването след:"
+OutputTimer.Record="Прекъсни записването след:"
+OutputTimer.Stream.StoppingIn="Излъчването ще спре след:"
+OutputTimer.Record.StoppingIn="Записването ще спре след:"
+OutputTimer.Stream.EnableEverytime="Показвай брояча на излъчването всеки път"
+OutputTimer.Record.EnableEverytime="Включване на таймера при запис всеки път"
+OutputTimer.Record.PauseTimer="Пауза на таймера при пауза на записа"
+Scripts="Скриптове"
+LoadedScripts="Заредени скриптове"
+AddScripts="Добавяне на скриптове"
+RemoveScripts="Премахване на скриптове"
+ReloadScripts="Презареждане на скриптове"
+EditScript="Редактиране на кода"
+Reload="Презареди"
+OpenFileLocation="Отворете местоположението на файла"
+PythonSettings="Настройки на Python"
+PythonSettings.PythonInstallPath32bit="Път за инсталация на Python (32 бита)"
+PythonSettings.PythonInstallPath64bit="Път за инсталация на Python (64 бита)"
+PythonSettings.BrowsePythonPath="Разглеждане на пътя до Python"
+PythonSettings.PythonVersion="Заредена Python Версия: %1"
+PythonSettings.PythonNotLoaded="Python не можа да бъде зареден"
+PythonSettings.AlreadyLoaded.Title="Python вече е зареден"
+PythonSettings.AlreadyLoaded.Message="Копие на Python %1 вече е заредено. За да заредите друга версия на Python, моля рестартирайте OBS."
+ScriptLogWindow="Записи на скриптове"
+Description="Описание"
+ScriptDescriptionLink.Text="Да се отвори ли тази връзка в уеб браузъра ви по подразбиране?"
+FileFilter.ScriptFiles="Файлове със скрипт"
+FileFilter.AllFiles="Всички файлове"

frontend/plugins/frontend-tools/data/locale/bn-BD.ini

@@ -0,0 +1,44 @@
+SceneSwitcher="স্বয়ংক্রিয় দৃশ্য পরিবর্তক"
+SceneSwitcher.OnNoMatch="যখন কোনও উইন্ডো মেলে নাঃ"
+SceneSwitcher.OnNoMatch.DontSwitch="স্যুইচ করবেন না"
+SceneSwitcher.OnNoMatch.SwitchTo="পরিবর্তন করুনঃ"
+SceneSwitcher.CheckInterval="সক্রিয় উইন্ডো শিরোনাম চেক করুন প্রতিঃ"
+SceneSwitcher.ActiveOrNotActive="দৃশ্য পরিবর্তনকারী হলঃ"
+InvalidRegex.Title="অবৈধ নিয়মিত এক্সপ্রেশন"
+InvalidRegex.Text="যে রেগুলার এক্সপ্রেশন প্রবেশ করেছ তা ভুল।"
+Active="সক্রিয়"
+Inactive="নিষ্ক্রিয়"
+Start="শুরু"
+Stop="থামুন"
+Captions="ক্যাপশন (পরীক্ষামূলক)"
+Captions.AudioSource="অডিও উৎস"
+Captions.CurrentSystemLanguage="বর্তমান সিস্টেমের ভাষা (%1)"
+Captions.Provider="প্রোভাইডার"
+Captions.Error.GenericFail="ক্যাপশন শুরু করতে ব্যর্থ"
+OutputTimer="আউটপুট টাইমার"
+OutputTimer.Stream="এর পরে বন্ধ।:"
+OutputTimer.Record="এর পরে রেকর্ডিং বন্ধ করুন:"
+OutputTimer.Stream.StoppingIn="স্ট্রিমিং থামবে:"
+OutputTimer.Record.StoppingIn="রেকর্ডিং থামবেঃ"
+OutputTimer.Stream.EnableEverytime="প্রতিবার স্ট্রিমিং টাইমার চালু করুন"
+OutputTimer.Record.EnableEverytime="প্রতিবার রেকর্ডিং টাইমার চালু করুন"
+OutputTimer.Record.PauseTimer="রেকর্ডিং থামান যখন টাইমার থামে"
+Scripts="স্ক্রিপ্টসমূহ"
+LoadedScripts="স্ক্রিপ্টসমূহ লোড করা হয়েছে"
+AddScripts="স্ক্রিপ্ট যুক্ত করুন"
+RemoveScripts="স্ক্রিপ্ট সরান"
+ReloadScripts="স্ক্রিপ্টসমূহ পুনঃলোড করুন"
+EditScript="স্ক্রিপ্ট সম্পাদনা"
+Reload="পুনঃলোড"
+OpenFileLocation="ফাইল অবস্থান খুলুন"
+PythonSettings="পাইথন সেটিংসসমূহ"
+PythonSettings.PythonInstallPath32bit="পাইথন ইনস্টল পাথ (৩২ বিট)"
+PythonSettings.PythonInstallPath64bit="পাইথন ইনস্টল পাথ (৬৪ বিট)"
+PythonSettings.BrowsePythonPath="পাইথন পাথ ব্রাউজ করুন"
+ScriptLogWindow="স্ক্রিপ্ট লগ"
+Description="বর্ণনা"
+ScriptDescriptionLink.Text="আপনার ডিফল্ট ওয়েব ব্রাউজারে এই লিঙ্কটি খুলবেন?"
+ScriptDescriptionLink.Text.Url="ইউআরএল: %1"
+ScriptDescriptionLink.OpenURL="ইউআরএল খুলুন"
+FileFilter.ScriptFiles="স্ক্রিপ্ট ফাইল"
+FileFilter.AllFiles="সকল ফাইল"

frontend/plugins/frontend-tools/data/locale/ca-ES.ini

@@ -0,0 +1,46 @@
+SceneSwitcher="Canviador d'escena automàtica"
+SceneSwitcher.OnNoMatch="Quan no coincideixi amb cap finestra:"
+SceneSwitcher.OnNoMatch.DontSwitch="No canviar"
+SceneSwitcher.OnNoMatch.SwitchTo="Canvia a:"
+SceneSwitcher.CheckInterval="Comprova el títol de la finestra activa cada:"
+SceneSwitcher.ActiveOrNotActive="El canviador de escena està:"
+InvalidRegex.Title="Expressió regular no vàlida"
+InvalidRegex.Text="La expressió regular que heu introduït no es vàlida."
+Active="Actiu"
+Inactive="Inactiu"
+Start="Inicia"
+Stop="Atura"
+Captions="Subtítols (Experimental)"
+Captions.AudioSource="Font d'àudio"
+Captions.CurrentSystemLanguage="Idioma actual del sistema (%1)"
+Captions.Provider="Proveïdor"
+Captions.Error.GenericFail="No s'ha pogut iniciar els subtítols"
+OutputTimer="Temporitzador de sortida"
+OutputTimer.Stream="Atura la transmissió després de:"
+OutputTimer.Record="Atura la gravació després de:"
+OutputTimer.Stream.StoppingIn="La transmissió s'aturarà en:"
+OutputTimer.Record.StoppingIn="La gravació s'aturarà en:"
+OutputTimer.Stream.EnableEverytime="Activa el temporitzador en cada transmissió"
+OutputTimer.Record.EnableEverytime="Activa el temporitzador en cada enregistrament"
+OutputTimer.Record.PauseTimer="Pausa el temporitzador en pausar l'enregistrament"
+LoadedScripts="Scripts carregats"
+AddScripts="Afegeix scripts"
+RemoveScripts="Suprimeix scripts"
+ReloadScripts="Torna a carregar els scripts"
+EditScript="Edita l'script"
+Reload="Recarrega"
+OpenFileLocation="Obre la ubicació del fitxer"
+PythonSettings="Configuració del Python"
+PythonSettings.PythonInstallPath32bit="Camí d'instal·lació del Python (32bit)"
+PythonSettings.PythonInstallPath64bit="Camí d'instal·lació del Python (64bit)"
+PythonSettings.BrowsePythonPath="Camí del Python"
+PythonSettings.PythonVersion="Versió de Python carregada: %1"
+PythonSettings.PythonNotLoaded="El Python no està carregat actualment"
+PythonSettings.AlreadyLoaded.Title="El Python ja està carregat"
+PythonSettings.AlreadyLoaded.Message="Ja s'ha carregat una còpia del Python %1. Per carregar la versió del Python seleccionada recentment, reinicieu l 'OBS."
+ScriptLogWindow="Informe script"
+Description="Descripció"
+ScriptDescriptionLink.Text="Voleu obrir aquest enllaç al navegador per defecte?"
+ScriptDescriptionLink.OpenURL="Obre l'URL"
+FileFilter.ScriptFiles="Fitxers script"
+FileFilter.AllFiles="Tots els fitxers"