Add video tab (#131)

This tab will allow switching scenes based on the video output of sources.

src/advanced-scene-switcher.cpp

@@ -59,6 +59,7 @@ void AdvSceneSwitcher::loadUI()
 	setupFileTab();
 	setupTimeTab();
 	setupAudioTab();
+	setupVideoTab();
 	setupSceneGroupTab();
 	setupTriggerTab();
 
@@ -119,8 +120,6 @@ void AdvSceneSwitcher::populateSceneSelection(QComboBox *sel, bool addPrevious,
 					      std::string selectText,
 					      bool selectable)
 {
-	sel->clear();
-
 	if (addSelect) {
 		if (selectText.empty()) {
 			addSelectionEntry(
@@ -235,6 +234,42 @@ void AdvSceneSwitcher::populateAudioSelection(QComboBox *sel, bool addSelect)
 	}
 }
 
+void AdvSceneSwitcher::populateVideoSelection(QComboBox *sel, bool addScenes,
+					      bool addSelect)
+{
+	if (addSelect) {
+		addSelectionEntry(
+			sel,
+			obs_module_text("AdvSceneSwitcher.selectVideoSource"),
+			false,
+			obs_module_text(
+				"AdvSceneSwitcher.invaildEntriesWillNotBeSaved"));
+	}
+
+	auto sourceEnum = [](void *data, obs_source_t *source) -> bool /* -- */
+	{
+		std::vector<std::string> *list =
+			reinterpret_cast<std::vector<std::string> *>(data);
+		uint32_t flags = obs_source_get_output_flags(source);
+		std::string test = obs_source_get_name(source);
+		if ((flags & (OBS_SOURCE_VIDEO | OBS_SOURCE_ASYNC)) != 0) {
+			list->push_back(obs_source_get_name(source));
+		}
+		return true;
+	};
+
+	std::vector<std::string> videoSources;
+	obs_enum_sources(sourceEnum, &videoSources);
+	sort(videoSources.begin(), videoSources.end());
+	for (std::string &source : videoSources) {
+		sel->addItem(source.c_str());
+	}
+
+	if (addScenes) {
+		populateSceneSelection(sel, false, false, false);
+	}
+}
+
 void AdvSceneSwitcher::populateMediaSelection(QComboBox *sel, bool addSelect)
 {
 	if (addSelect) {
@@ -563,6 +598,9 @@ bool SwitcherData::checkForMatch(OBSWeakSource &scene,
 		case audio_func:
 			checkAudioSwitch(match, scene, transition);
 			break;
+		case video_func:
+			checkVideoSwitch(match, scene, transition);
+			break;
 		}
 
 		if (switcher->stop) {

src/general.cpp

@@ -4,7 +4,7 @@
 #include "headers/utility.hpp"
 #include "headers/version.h"
 
-constexpr auto tab_count = 15;
+constexpr auto tab_count = 16;
 
 QMetaObject::Connection inactivePluse;
 
@@ -326,9 +326,12 @@ int findTabIndex(QTabWidget *tabWidget, int pos)
 		tabName = "audioTab";
 		break;
 	case 13:
-		tabName = "sceneGroupTab";
+		tabName = "videoTab";
 		break;
 	case 14:
+		tabName = "sceneGroupTab";
+		break;
+	case 15:
 		tabName = "sceneTriggerTab";
 		break;
 	}
@@ -383,22 +386,23 @@ void SwitcherData::loadSettings(obs_data_t *obj)
 		return;
 	}
 
-	switcher->loadSceneGroups(obj);
-	switcher->loadWindowTitleSwitches(obj);
-	switcher->loadScreenRegionSwitches(obj);
-	switcher->loadPauseSwitches(obj);
-	switcher->loadSceneSequenceSwitches(obj);
-	switcher->loadSceneTransitions(obj);
-	switcher->loadIdleSwitches(obj);
-	switcher->loadExecutableSwitches(obj);
-	switcher->loadRandomSwitches(obj);
-	switcher->loadFileSwitches(obj);
-	switcher->loadMediaSwitches(obj);
-	switcher->loadTimeSwitches(obj);
-	switcher->loadAudioSwitches(obj);
-	switcher->loadSceneTriggers(obj);
-	switcher->loadGeneralSettings(obj);
-	switcher->loadHotkeys(obj);
+	loadSceneGroups(obj);
+	loadWindowTitleSwitches(obj);
+	loadScreenRegionSwitches(obj);
+	loadPauseSwitches(obj);
+	loadSceneSequenceSwitches(obj);
+	loadSceneTransitions(obj);
+	loadIdleSwitches(obj);
+	loadExecutableSwitches(obj);
+	loadRandomSwitches(obj);
+	loadFileSwitches(obj);
+	loadMediaSwitches(obj);
+	loadTimeSwitches(obj);
+	loadAudioSwitches(obj);
+	loadVideoSwitches(obj);
+	loadSceneTriggers(obj);
+	loadGeneralSettings(obj);
+	loadHotkeys(obj);
 }
 
 void SwitcherData::saveSettings(obs_data_t *obj)
@@ -420,6 +424,7 @@ void SwitcherData::saveSettings(obs_data_t *obj)
 	saveMediaSwitches(obj);
 	saveTimeSwitches(obj);
 	saveAudioSwitches(obj);
+	saveVideoSwitches(obj);
 	saveSceneTriggers(obj);
 	saveGeneralSettings(obj);
 	saveHotkeys(obj);
@@ -467,15 +472,15 @@ void SwitcherData::saveGeneralSettings(obs_data_t *obj)
 			 switcher->functionNamesByPriority[7]);
 	obs_data_set_int(obj, "priority8",
 			 switcher->functionNamesByPriority[8]);
+	obs_data_set_int(obj, "priority9",
+			 switcher->functionNamesByPriority[9]);
 
 	obs_data_set_int(obj, "threadPriority", switcher->threadPriority);
 
 	// After fresh install of OBS the vector can be empty
 	// as save() might be called before first load()
-	if (switcher->tabOrder.size() < tab_count) {
-		switcher->tabOrder = std::vector<int>(tab_count);
-		std::iota(switcher->tabOrder.begin(), switcher->tabOrder.end(),
-			  0);
+	if (tabOrder.size() < tab_count) {
+		resetTabOrder();
 	}
 
 	obs_data_set_int(obj, "generalTabPos", switcher->tabOrder[0]);
@@ -491,8 +496,9 @@ void SwitcherData::saveGeneralSettings(obs_data_t *obj)
 	obs_data_set_int(obj, "idleTabPos", switcher->tabOrder[10]);
 	obs_data_set_int(obj, "sequenceTabPos", switcher->tabOrder[11]);
 	obs_data_set_int(obj, "audioTabPos", switcher->tabOrder[12]);
-	obs_data_set_int(obj, "sceneGroupTabPos", switcher->tabOrder[13]);
-	obs_data_set_int(obj, "triggerTabPos", switcher->tabOrder[14]);
+	obs_data_set_int(obj, "videoTabPos", switcher->tabOrder[13]);
+	obs_data_set_int(obj, "sceneGroupTabPos", switcher->tabOrder[14]);
+	obs_data_set_int(obj, "triggerTabPos", switcher->tabOrder[15]);
 }
 
 void SwitcherData::loadGeneralSettings(obs_data_t *obj)
@@ -555,6 +561,8 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 		(obs_data_get_int(obj, "priority7"));
 	switcher->functionNamesByPriority[8] =
 		(obs_data_get_int(obj, "priority8"));
+	switcher->functionNamesByPriority[9] =
+		(obs_data_get_int(obj, "priority9"));
 	if (!switcher->prioFuncsValid()) {
 		switcher->functionNamesByPriority[0] = (default_priority_0);
 		switcher->functionNamesByPriority[1] = (default_priority_1);
@@ -565,6 +573,7 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 		switcher->functionNamesByPriority[6] = (default_priority_6);
 		switcher->functionNamesByPriority[7] = (default_priority_7);
 		switcher->functionNamesByPriority[8] = (default_priority_8);
+		switcher->functionNamesByPriority[9] = (default_priority_9);
 	}
 
 	obs_data_set_default_int(obj, "threadPriority",
@@ -584,8 +593,9 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 	obs_data_set_default_int(obj, "idleTabPos", 10);
 	obs_data_set_default_int(obj, "sequenceTabPos", 11);
 	obs_data_set_default_int(obj, "audioTabPos", 12);
-	obs_data_set_default_int(obj, "sceneGroupTabPos", 13);
-	obs_data_set_default_int(obj, "triggerTabPos", 14);
+	obs_data_set_default_int(obj, "videoTabPos", 13);
+	obs_data_set_default_int(obj, "sceneGroupTabPos", 14);
+	obs_data_set_default_int(obj, "triggerTabPos", 15);
 
 	switcher->tabOrder.emplace_back(
 		(int)(obs_data_get_int(obj, "generalTabPos")));
@@ -613,10 +623,30 @@ void SwitcherData::loadGeneralSettings(obs_data_t *obj)
 		(int)(obs_data_get_int(obj, "sequenceTabPos")));
 	switcher->tabOrder.emplace_back(
 		(int)(obs_data_get_int(obj, "audioTabPos")));
+	switcher->tabOrder.emplace_back(
+		(int)(obs_data_get_int(obj, "videoTabPos")));
 	switcher->tabOrder.emplace_back(
 		(int)(obs_data_get_int(obj, "sceneGroupTabPos")));
 	switcher->tabOrder.emplace_back(
 		(int)(obs_data_get_int(obj, "triggerTabPos")));
+
+	if (!tabOrderValid()) {
+		resetTabOrder();
+	}
+}
+
+bool SwitcherData::tabOrderValid()
+{
+	auto tmp = tabOrder;
+	std::sort(tmp.begin(), tmp.end());
+	auto it = std::unique(tmp.begin(), tmp.end());
+	return it == tmp.end();
+}
+
+void SwitcherData::resetTabOrder()
+{
+	tabOrder = std::vector<int>(tab_count);
+	std::iota(switcher->tabOrder.begin(), switcher->tabOrder.end(), 0);
 }
 
 void SwitcherData::checkNoMatchSwitch(bool &match, OBSWeakSource &scene,
@@ -765,6 +795,10 @@ void AdvSceneSwitcher::setupGeneralTab()
 			s = obs_module_text(
 				"AdvSceneSwitcher.generalTab.priority.audio");
 			break;
+		case video_func:
+			s = obs_module_text(
+				"AdvSceneSwitcher.generalTab.priority.video");
+			break;
 		}
 		QString text(s.c_str());
 		QListWidgetItem *item =

src/headers/advanced-scene-switcher.hpp

@@ -59,6 +59,7 @@ public:
 	void setupAudioTab();
 	void setupSceneGroupTab();
 	void setupTriggerTab();
+	void setupVideoTab();
 	void setTabOrder();
 
 	static bool DisplayMessage(QString msg, bool question = false);
@@ -82,6 +83,9 @@ public:
 					    bool addSelect = true);
 	static void populateAudioSelection(QComboBox *sel,
 					   bool addSelect = true);
+	static void populateVideoSelection(QComboBox *sel,
+					   bool addScenes = true,
+					   bool addSelect = true);
 	static void populateMediaSelection(QComboBox *sel,
 					   bool addSelect = true);
 	static void populateProcessSelection(QComboBox *sel,
@@ -201,6 +205,12 @@ public slots:
 	void on_audioDown_clicked();
 	void on_audioFallback_toggled(bool on);
 
+	void on_videoAdd_clicked();
+	void on_videoRemove_clicked();
+	void on_videoUp_clicked();
+	void on_videoDown_clicked();
+	void on_getScreenshot_clicked();
+
 	void on_sceneGroupAdd_clicked();
 	void on_sceneGroupRemove_clicked();
 	void on_sceneGroupUp_clicked();

src/headers/switch-pause.hpp

@@ -19,6 +19,7 @@ enum class PauseTarget {
 	Idle,
 	Sequence,
 	Audio,
+	Video,
 };
 
 struct PauseEntry : SceneSwitcherEntry {

src/headers/switch-video.hpp

@@ -0,0 +1,98 @@
+#pragma once
+#include <QSpinBox>
+
+#include "switch-generic.hpp"
+
+constexpr auto video_func = 9;
+constexpr auto default_priority_9 = video_func;
+
+enum class videoSwitchType {
+	MATCH,
+	DIFFER,
+	HAS_NOT_CHANGED,
+};
+
+class AdvSSScreenshotObj {
+public:
+	AdvSSScreenshotObj(obs_source_t *source);
+	~AdvSSScreenshotObj();
+
+	void Screenshot();
+	void Download();
+	void Copy();
+	void MarkDone();
+
+	gs_texrender_t *texrender = nullptr;
+	gs_stagesurf_t *stagesurf = nullptr;
+	OBSWeakSource weakSource;
+	std::string path;
+	QImage image;
+	uint32_t cx = 0;
+	uint32_t cy = 0;
+
+	int stage = 0;
+
+	bool done = false;
+	std::chrono::high_resolution_clock::time_point time;
+};
+
+struct VideoSwitch : virtual SceneSwitcherEntry {
+	static bool pause;
+
+	videoSwitchType condition = videoSwitchType::MATCH;
+	OBSWeakSource videoSource = nullptr;
+	std::string file = obs_module_text("AdvSceneSwitcher.enterPath");
+	double duration = 0;
+	bool ignoreInactiveSource = false;
+
+	std::unique_ptr<AdvSSScreenshotObj> screenshotData = nullptr;
+	std::chrono::high_resolution_clock::time_point previousTime{};
+	QImage matchImage;
+
+	std::chrono::milliseconds currentMatchDuration{};
+
+	const char *getType() { return "video"; }
+	bool initialized();
+	bool valid();
+	void save(obs_data_t *obj);
+	void load(obs_data_t *obj);
+	void getScreenshot();
+	bool loadImageFromFile();
+	bool checkMatch();
+
+	VideoSwitch(){};
+	friend void swap(VideoSwitch &first, VideoSwitch &second);
+};
+
+class VideoSwitchWidget : public SwitchWidget {
+	Q_OBJECT
+
+public:
+	VideoSwitchWidget(QWidget *parent, VideoSwitch *s);
+	VideoSwitch *getSwitchData();
+	void setSwitchData(VideoSwitch *s);
+
+	static void swapSwitchData(VideoSwitchWidget *as1,
+				   VideoSwitchWidget *as2);
+
+	void UpdatePreviewTooltip();
+	void SetFilePath(const QString &text);
+
+private slots:
+	void SourceChanged(const QString &text);
+	void ConditionChanged(int cond);
+	void DurationChanged(double dur);
+	void FilePathChanged();
+	void BrowseButtonClicked();
+	void IgnoreInactiveChanged(int state);
+
+private:
+	QComboBox *videoSources;
+	QComboBox *condition;
+	QDoubleSpinBox *duration;
+	QLineEdit *filePath;
+	QPushButton *browseButton;
+	QCheckBox *ignoreInactiveSource;
+
+	VideoSwitch *switchData;
+};

src/headers/switcher-data-structs.hpp

@@ -21,6 +21,7 @@
 #include "switch-transitions.hpp"
 #include "switch-window.hpp"
 #include "switch-sequence.hpp"
+#include "switch-video.hpp"
 
 constexpr auto default_interval = 300;
 constexpr auto previous_scene_name = "Previous Scene";
@@ -113,12 +114,15 @@ struct SwitcherData {
 	std::deque<AudioSwitch> audioSwitches;
 	AudioSwitchFallback audioFallback;
 
+	std::deque<VideoSwitch> videoSwitches;
+
 	std::deque<SceneGroup> sceneGroups;
 
 	std::vector<int> functionNamesByPriority = std::vector<int>{
 		default_priority_0, default_priority_1, default_priority_2,
 		default_priority_3, default_priority_4, default_priority_5,
-		default_priority_6, default_priority_7, default_priority_8};
+		default_priority_6, default_priority_7, default_priority_8,
+		default_priority_9};
 
 	struct ThreadPrio {
 		std::string name;
@@ -164,6 +168,9 @@ struct SwitcherData {
 
 	bool prioFuncsValid();
 
+	bool tabOrderValid();
+	void resetTabOrder();
+
 	void writeSceneInfoToFile();
 	void writeToStatusFile(QString status);
 
@@ -193,6 +200,8 @@ struct SwitcherData {
 			      OBSWeakSource &transition);
 	void checkAudioSwitchFallback(OBSWeakSource &scene,
 				      OBSWeakSource &transition);
+	void checkVideoSwitch(bool &match, OBSWeakSource &scene,
+			      OBSWeakSource &transition);
 	void checkNoMatchSwitch(bool &match, OBSWeakSource &scene,
 				OBSWeakSource &transition, int &sleep);
 	void checkSwitchCooldown(bool &match);
@@ -215,6 +224,7 @@ struct SwitcherData {
 	void saveAudioSwitches(obs_data_t *obj);
 	void saveSceneGroups(obs_data_t *obj);
 	void saveSceneTriggers(obs_data_t *obj);
+	void saveVideoSwitches(obs_data_t *obj);
 	void saveGeneralSettings(obs_data_t *obj);
 	void saveHotkeys(obs_data_t *obj);
 	void saveVersion(obs_data_t *obj, std::string currentVersion);
@@ -235,6 +245,7 @@ struct SwitcherData {
 	void loadAudioSwitches(obs_data_t *obj);
 	void loadSceneGroups(obs_data_t *obj);
 	void loadSceneTriggers(obs_data_t *obj);
+	void loadVideoSwitches(obs_data_t *obj);
 	void loadGeneralSettings(obs_data_t *obj);
 	void loadHotkeys(obs_data_t *obj);
 

src/switch-audio.cpp

@@ -438,7 +438,7 @@ void swap(AudioSwitch &first, AudioSwitch &second)
 	second.resetVolmeter();
 }
 
-void populateConditionSelection(QComboBox *list)
+static inline void populateConditionSelection(QComboBox *list)
 {
 	list->addItem(
 		obs_module_text("AdvSceneSwitcher.audioTab.condition.above"));

src/switch-pause.cpp

@@ -87,6 +87,7 @@ void resetPause()
 	IdleData::pause = false;
 	SceneSequenceSwitch::pause = false;
 	AudioSwitch::pause = false;
+	VideoSwitch::pause = false;
 }
 
 void setPauseTarget(PauseTarget &target, bool &verbose)
@@ -139,6 +140,10 @@ void setPauseTarget(PauseTarget &target, bool &verbose)
 		vblog(LOG_INFO, "pause audio switching");
 		AudioSwitch::pause = true;
 		break;
+	case PauseTarget::Video:
+		vblog(LOG_INFO, "pause video switching");
+		VideoSwitch::pause = true;
+		break;
 	}
 }
 
@@ -340,6 +345,7 @@ void populatePauseTargets(QComboBox *list)
 	list->addItem(
 		obs_module_text("AdvSceneSwitcher.sceneSequenceTab.title"));
 	list->addItem(obs_module_text("AdvSceneSwitcher.audioTab.title"));
+	list->addItem(obs_module_text("AdvSceneSwitcher.VideoTab.title"));
 }
 
 PauseEntryWidget::PauseEntryWidget(QWidget *parent, PauseEntry *s)

src/switch-priority.cpp

@@ -66,7 +66,7 @@ bool SwitcherData::prioFuncsValid()
 	}
 
 	for (int p : functionNamesByPriority) {
-		if (p < 0 || p > 8) {
+		if (p < 0 || p > 9) {
 			return false;
 		}
 	}

src/switch-video.cpp

@@ -0,0 +1,698 @@
+#include <QFileDialog>
+#include <QBuffer>
+#include <QToolTip>
+#include <thread>
+
+#include "headers/advanced-scene-switcher.hpp"
+#include "headers/utility.hpp"
+
+bool VideoSwitch::pause = false;
+static QMetaObject::Connection addPulse;
+
+static void ScreenshotTick(void *param, float);
+
+AdvSSScreenshotObj::AdvSSScreenshotObj(obs_source_t *source)
+	: weakSource(OBSGetWeakRef(source))
+{
+	obs_add_tick_callback(ScreenshotTick, this);
+}
+
+AdvSSScreenshotObj::~AdvSSScreenshotObj()
+{
+	obs_enter_graphics();
+	gs_stagesurface_destroy(stagesurf);
+	gs_texrender_destroy(texrender);
+	obs_leave_graphics();
+
+	obs_remove_tick_callback(ScreenshotTick, this);
+}
+
+void AdvSSScreenshotObj::Screenshot()
+{
+	OBSSource source = OBSGetStrongRef(weakSource);
+
+	if (source) {
+		cx = obs_source_get_base_width(source);
+		cy = obs_source_get_base_height(source);
+	} else {
+		obs_video_info ovi;
+		obs_get_video_info(&ovi);
+		cx = ovi.base_width;
+		cy = ovi.base_height;
+	}
+
+	if (!cx || !cy) {
+		blog(LOG_WARNING, "Cannot screenshot, invalid target size");
+		obs_remove_tick_callback(ScreenshotTick, this);
+		done = true;
+		return;
+	}
+
+	texrender = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
+	stagesurf = gs_stagesurface_create(cx, cy, GS_RGBA);
+
+	gs_texrender_reset(texrender);
+	if (gs_texrender_begin(texrender, cx, cy)) {
+		vec4 zero;
+		vec4_zero(&zero);
+
+		gs_clear(GS_CLEAR_COLOR, &zero, 0.0f, 0);
+		gs_ortho(0.0f, (float)cx, 0.0f, (float)cy, -100.0f, 100.0f);
+
+		gs_blend_state_push();
+		gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
+
+		if (source) {
+			obs_source_inc_showing(source);
+			obs_source_video_render(source);
+			obs_source_dec_showing(source);
+		} else {
+			obs_render_main_texture();
+		}
+
+		gs_blend_state_pop();
+		gs_texrender_end(texrender);
+	}
+}
+
+void AdvSSScreenshotObj::Download()
+{
+	gs_stage_texture(stagesurf, gs_texrender_get_texture(texrender));
+}
+
+void AdvSSScreenshotObj::Copy()
+{
+	uint8_t *videoData = nullptr;
+	uint32_t videoLinesize = 0;
+
+	image = QImage(cx, cy, QImage::Format::Format_RGBX8888);
+
+	if (gs_stagesurface_map(stagesurf, &videoData, &videoLinesize)) {
+		int linesize = image.bytesPerLine();
+		for (int y = 0; y < (int)cy; y++)
+			memcpy(image.scanLine(y),
+			       videoData + (y * videoLinesize), linesize);
+
+		gs_stagesurface_unmap(stagesurf);
+	}
+}
+
+void AdvSSScreenshotObj::MarkDone()
+{
+	time = std::chrono::high_resolution_clock::now();
+	done = true;
+}
+
+#define STAGE_SCREENSHOT 0
+#define STAGE_DOWNLOAD 1
+#define STAGE_COPY_AND_SAVE 2
+#define STAGE_FINISH 3
+
+static void ScreenshotTick(void *param, float)
+{
+	AdvSSScreenshotObj *data =
+		reinterpret_cast<AdvSSScreenshotObj *>(param);
+
+	if (data->stage == STAGE_FINISH) {
+		return;
+	}
+
+	obs_enter_graphics();
+
+	switch (data->stage) {
+	case STAGE_SCREENSHOT:
+		data->Screenshot();
+		break;
+	case STAGE_DOWNLOAD:
+		data->Download();
+		break;
+	case STAGE_COPY_AND_SAVE:
+		data->Copy();
+		data->MarkDone();
+
+		obs_remove_tick_callback(ScreenshotTick, data);
+		break;
+	}
+
+	obs_leave_graphics();
+
+	data->stage++;
+}
+
+void AdvSceneSwitcher::on_videoAdd_clicked()
+{
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switcher->videoSwitches.emplace_back();
+
+	VideoSwitchWidget *sw =
+		new VideoSwitchWidget(this, &switcher->videoSwitches.back());
+
+	listAddClicked(ui->videoSwitches, sw, ui->videoAdd, &addPulse);
+
+	ui->videoHelp->setVisible(false);
+}
+
+void AdvSceneSwitcher::on_videoRemove_clicked()
+{
+	QListWidgetItem *item = ui->videoSwitches->currentItem();
+	if (!item) {
+		return;
+	}
+
+	{
+		std::lock_guard<std::mutex> lock(switcher->m);
+		int idx = ui->videoSwitches->currentRow();
+		auto &switches = switcher->videoSwitches;
+		switches.erase(switches.begin() + idx);
+	}
+
+	delete item;
+}
+
+void AdvSceneSwitcher::on_videoUp_clicked()
+{
+	int index = ui->videoSwitches->currentRow();
+	if (!listMoveUp(ui->videoSwitches)) {
+		return;
+	}
+
+	VideoSwitchWidget *s1 =
+		(VideoSwitchWidget *)ui->videoSwitches->itemWidget(
+			ui->videoSwitches->item(index));
+	VideoSwitchWidget *s2 =
+		(VideoSwitchWidget *)ui->videoSwitches->itemWidget(
+			ui->videoSwitches->item(index - 1));
+	VideoSwitchWidget::swapSwitchData(s1, s2);
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+
+	std::swap(switcher->videoSwitches[index],
+		  switcher->videoSwitches[index - 1]);
+}
+
+void AdvSceneSwitcher::on_videoDown_clicked()
+{
+	int index = ui->videoSwitches->currentRow();
+
+	if (!listMoveDown(ui->videoSwitches)) {
+		return;
+	}
+
+	VideoSwitchWidget *s1 =
+		(VideoSwitchWidget *)ui->videoSwitches->itemWidget(
+			ui->videoSwitches->item(index));
+	VideoSwitchWidget *s2 =
+		(VideoSwitchWidget *)ui->videoSwitches->itemWidget(
+			ui->videoSwitches->item(index + 1));
+	VideoSwitchWidget::swapSwitchData(s1, s2);
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+
+	std::swap(switcher->videoSwitches[index],
+		  switcher->videoSwitches[index + 1]);
+}
+
+void AdvSceneSwitcher::on_getScreenshot_clicked()
+{
+	QListWidgetItem *item = ui->videoSwitches->currentItem();
+
+	if (!item) {
+		return;
+	}
+
+	VideoSwitchWidget *sw =
+		(VideoSwitchWidget *)ui->videoSwitches->itemWidget(item);
+	auto s = sw->getSwitchData();
+	if (!s || !s->videoSource) {
+		return;
+	}
+
+	auto source = obs_weak_source_get_source(s->videoSource);
+	auto screenshotData = std::make_unique<AdvSSScreenshotObj>(source);
+	obs_source_release(source);
+
+	QString filePath = QFileDialog::getSaveFileName(this);
+	if (filePath.isEmpty()) {
+		return;
+	}
+
+	QFile file(filePath);
+	if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+		return;
+	}
+
+	// During selection of the save path enough time should usually have
+	// passed already
+	// Add this just in case ...
+	if (!screenshotData->done) {
+		std::this_thread::sleep_for(std::chrono::seconds(1));
+	}
+
+	if (!screenshotData->done) {
+		DisplayMessage("Failed to get screenshot of source!");
+		return;
+	}
+
+	screenshotData->image.save(file.fileName());
+	sw->SetFilePath(file.fileName());
+}
+
+void SwitcherData::checkVideoSwitch(bool &match, OBSWeakSource &scene,
+				    OBSWeakSource &transition)
+{
+	if (VideoSwitch::pause) {
+		return;
+	}
+
+	for (auto &s : videoSwitches) {
+		bool matched = s.checkMatch();
+		if (!match && matched) {
+			match = true;
+			scene = s.getScene();
+			transition = s.transition;
+			if (verbose) {
+				s.logMatch();
+			}
+		}
+	}
+}
+
+void SwitcherData::saveVideoSwitches(obs_data_t *obj)
+{
+	obs_data_array_t *videoArray = obs_data_array_create();
+	for (VideoSwitch &s : videoSwitches) {
+		obs_data_t *array_obj = obs_data_create();
+
+		s.save(array_obj);
+		obs_data_array_push_back(videoArray, array_obj);
+
+		obs_data_release(array_obj);
+	}
+	obs_data_set_array(obj, "videoSwitches", videoArray);
+	obs_data_array_release(videoArray);
+}
+
+void SwitcherData::loadVideoSwitches(obs_data_t *obj)
+{
+	switcher->videoSwitches.clear();
+
+	obs_data_array_t *videoArray = obs_data_get_array(obj, "videoSwitches");
+	size_t count = obs_data_array_count(videoArray);
+
+	for (size_t i = 0; i < count; i++) {
+		obs_data_t *array_obj = obs_data_array_item(videoArray, i);
+
+		switcher->videoSwitches.emplace_back();
+		videoSwitches.back().load(array_obj);
+
+		obs_data_release(array_obj);
+	}
+	obs_data_array_release(videoArray);
+}
+
+void AdvSceneSwitcher::setupVideoTab()
+{
+	for (auto &s : switcher->videoSwitches) {
+		QListWidgetItem *item;
+		item = new QListWidgetItem(ui->videoSwitches);
+		ui->videoSwitches->addItem(item);
+		VideoSwitchWidget *sw = new VideoSwitchWidget(this, &s);
+		item->setSizeHint(sw->minimumSizeHint());
+		ui->videoSwitches->setItemWidget(item, sw);
+	}
+
+	if (switcher->videoSwitches.size() == 0) {
+		addPulse = PulseWidget(ui->videoAdd, QColor(Qt::green));
+		ui->videoHelp->setVisible(true);
+	} else {
+		ui->videoHelp->setVisible(false);
+	}
+
+	ui->getScreenshot->setToolTip(
+		obs_module_text("AdvSceneSwitcher.videoTab.getScreenshotHelp"));
+}
+
+bool VideoSwitch::initialized()
+{
+	return SceneSwitcherEntry::initialized() && videoSource;
+}
+
+bool VideoSwitch::valid()
+{
+	return !initialized() ||
+	       (SceneSwitcherEntry::valid() && WeakSourceValid(videoSource));
+}
+
+void VideoSwitch::save(obs_data_t *obj)
+{
+	SceneSwitcherEntry::save(obj);
+
+	obs_data_set_string(obj, "videoSource",
+			    GetWeakSourceName(videoSource).c_str());
+	obs_data_set_int(obj, "condition", static_cast<int>(condition));
+	obs_data_set_double(obj, "duration", duration);
+	obs_data_set_string(obj, "filePath", file.c_str());
+	obs_data_set_bool(obj, "ignoreInactiveSource", ignoreInactiveSource);
+}
+
+void VideoSwitch::load(obs_data_t *obj)
+{
+	SceneSwitcherEntry::load(obj);
+
+	const char *videoSourceName = obs_data_get_string(obj, "videoSource");
+	videoSource = GetWeakSourceByName(videoSourceName);
+	condition = static_cast<videoSwitchType>(
+		obs_data_get_int(obj, "condition"));
+	duration = obs_data_get_double(obj, "duration");
+	file = obs_data_get_string(obj, "filePath");
+	ignoreInactiveSource = obs_data_get_bool(obj, "ignoreInactiveSource");
+
+	if (condition != videoSwitchType::HAS_NOT_CHANGED) {
+		(void)loadImageFromFile();
+	}
+}
+
+void VideoSwitch::getScreenshot()
+{
+	auto source = obs_weak_source_get_source(videoSource);
+	screenshotData = std::make_unique<AdvSSScreenshotObj>(source);
+	obs_source_release(source);
+}
+
+bool VideoSwitch::loadImageFromFile()
+{
+	if (!matchImage.load(QString::fromStdString(file))) {
+		blog(LOG_WARNING, "Cannot load image data from file '%s'",
+		     file.c_str());
+		return false;
+	}
+	matchImage =
+		matchImage.convertToFormat(QImage::Format::Format_RGBX8888);
+	return true;
+}
+
+bool VideoSwitch::checkMatch()
+{
+	if (ignoreInactiveSource) {
+		obs_source_t *vs = obs_weak_source_get_source(videoSource);
+		bool videoActive = obs_source_active(vs);
+		obs_source_release(vs);
+
+		if (!videoActive) {
+			screenshotData.reset(nullptr);
+			return false;
+		}
+	}
+
+	bool match = false;
+
+	if (screenshotData) {
+		if (screenshotData->done) {
+			bool conditionMatch = false;
+
+			switch (condition) {
+			case videoSwitchType::MATCH:
+				conditionMatch = screenshotData->image ==
+						 matchImage;
+				break;
+			case videoSwitchType::DIFFER:
+				conditionMatch = screenshotData->image !=
+						 matchImage;
+				break;
+			case videoSwitchType::HAS_NOT_CHANGED:
+				conditionMatch = screenshotData->image ==
+						 matchImage;
+				break;
+			default:
+				break;
+			}
+
+			if (conditionMatch) {
+				currentMatchDuration +=
+					std::chrono::duration_cast<
+						std::chrono::milliseconds>(
+						screenshotData->time -
+						previousTime);
+			} else {
+				currentMatchDuration = {};
+			}
+
+			bool durationMatch = currentMatchDuration.count() >=
+					     duration * 1000;
+
+			if (conditionMatch && durationMatch) {
+				match = true;
+			}
+
+			if (condition == videoSwitchType::HAS_NOT_CHANGED) {
+				matchImage = std::move(screenshotData->image);
+			}
+			previousTime = std::move(screenshotData->time);
+
+			screenshotData.reset(nullptr);
+		}
+	}
+
+	getScreenshot();
+	return match;
+}
+
+void swap(VideoSwitch &first, VideoSwitch &second)
+{
+	std::swap(first.targetType, second.targetType);
+	std::swap(first.group, second.group);
+	std::swap(first.scene, second.scene);
+	std::swap(first.transition, second.transition);
+	std::swap(first.usePreviousScene, second.usePreviousScene);
+	std::swap(first.videoSource, second.videoSource);
+}
+
+static inline void populateConditionSelection(QComboBox *list)
+{
+	list->addItem(
+		obs_module_text("AdvSceneSwitcher.videoTab.condition.match"));
+	list->setItemData(
+		0,
+		obs_module_text(
+			"AdvSceneSwitcher.videoTab.condition.match.tooltip"),
+		Qt::ToolTipRole);
+	list->addItem(
+		obs_module_text("AdvSceneSwitcher.videoTab.condition.differ"));
+	list->addItem(obs_module_text(
+		"AdvSceneSwitcher.videoTab.condition.hasNotChanged"));
+}
+
+VideoSwitchWidget::VideoSwitchWidget(QWidget *parent, VideoSwitch *s)
+	: SwitchWidget(parent, s, true, true)
+{
+	videoSources = new QComboBox();
+	condition = new QComboBox();
+	duration = new QDoubleSpinBox();
+	filePath = new QLineEdit();
+	browseButton =
+		new QPushButton(obs_module_text("AdvSceneSwitcher.browse"));
+	ignoreInactiveSource = new QCheckBox(obs_module_text(
+		"AdvSceneSwitcher.videoTab.ignoreInactiveSource"));
+
+	filePath->setFixedWidth(100);
+
+	browseButton->setStyleSheet("border:1px solid gray;");
+
+	duration->setMinimum(0.0);
+	duration->setMaximum(99.000000);
+	duration->setSuffix("s");
+
+	QWidget::connect(videoSources,
+			 SIGNAL(currentTextChanged(const QString &)), this,
+			 SLOT(SourceChanged(const QString &)));
+	QWidget::connect(condition, SIGNAL(currentIndexChanged(int)), this,
+			 SLOT(ConditionChanged(int)));
+	QWidget::connect(duration, SIGNAL(valueChanged(double)), this,
+			 SLOT(DurationChanged(double)));
+	QWidget::connect(filePath, SIGNAL(editingFinished()), this,
+			 SLOT(FilePathChanged()));
+	QWidget::connect(browseButton, SIGNAL(clicked()), this,
+			 SLOT(BrowseButtonClicked()));
+	QWidget::connect(ignoreInactiveSource, SIGNAL(stateChanged(int)), this,
+			 SLOT(IgnoreInactiveChanged(int)));
+
+	// TODO:
+	// Figure out why scene do not work for "match exactly".
+	// Until then do not allow selecting scenes
+	AdvSceneSwitcher::populateVideoSelection(videoSources, false);
+	populateConditionSelection(condition);
+
+	if (s) {
+		videoSources->setCurrentText(
+			GetWeakSourceName(s->videoSource).c_str());
+		condition->setCurrentIndex(static_cast<int>(s->condition));
+		duration->setValue(s->duration);
+		filePath->setText(QString::fromStdString(s->file));
+		ignoreInactiveSource->setChecked(s->ignoreInactiveSource);
+
+		if (s->condition == videoSwitchType::HAS_NOT_CHANGED) {
+			filePath->hide();
+			browseButton->hide();
+		}
+	}
+
+	QHBoxLayout *switchLayout = new QHBoxLayout;
+	std::unordered_map<std::string, QWidget *> widgetPlaceholders = {
+		{"{{videoSources}}", videoSources},
+		{"{{condition}}", condition},
+		{"{{duration}}", duration},
+		{"{{filePath}}", filePath},
+		{"{{browseButton}}", browseButton},
+		{"{{ignoreInactiveSource}}", ignoreInactiveSource},
+		{"{{scenes}}", scenes},
+		{"{{transitions}}", transitions}};
+	placeWidgets(obs_module_text("AdvSceneSwitcher.videoTab.entry"),
+		     switchLayout, widgetPlaceholders);
+
+	QVBoxLayout *mainLayout = new QVBoxLayout;
+
+	mainLayout->addLayout(switchLayout);
+	setLayout(mainLayout);
+
+	switchData = s;
+	UpdatePreviewTooltip();
+
+	loading = false;
+}
+
+VideoSwitch *VideoSwitchWidget::getSwitchData()
+{
+	return switchData;
+}
+
+void VideoSwitchWidget::setSwitchData(VideoSwitch *s)
+{
+	switchData = s;
+}
+
+void VideoSwitchWidget::swapSwitchData(VideoSwitchWidget *s1,
+				       VideoSwitchWidget *s2)
+{
+	SwitchWidget::swapSwitchData(s1, s2);
+
+	VideoSwitch *t = s1->getSwitchData();
+	s1->setSwitchData(s2->getSwitchData());
+	s2->setSwitchData(t);
+}
+
+void VideoSwitchWidget::UpdatePreviewTooltip()
+{
+	if (!switchData ||
+	    switchData->condition == videoSwitchType::HAS_NOT_CHANGED) {
+		return;
+	}
+
+	QImage preview =
+		switchData->matchImage.scaled({300, 300}, Qt::KeepAspectRatio);
+
+	QByteArray data;
+	QBuffer buffer(&data);
+	if (!preview.save(&buffer, "PNG")) {
+		return;
+	}
+
+	QString html =
+		QString("<html><img src='data:image/png;base64, %0'/></html>")
+			.arg(QString(data.toBase64()));
+	this->setToolTip(html);
+}
+
+void VideoSwitchWidget::SetFilePath(const QString &text)
+{
+	filePath->setText(text);
+	FilePathChanged();
+}
+
+void VideoSwitchWidget::SourceChanged(const QString &text)
+{
+	if (loading || !switchData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switchData->videoSource = GetWeakSourceByQString(text);
+}
+
+void VideoSwitchWidget::ConditionChanged(int cond)
+{
+	if (loading || !switchData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switchData->condition = static_cast<videoSwitchType>(cond);
+
+	if (switchData->condition == videoSwitchType::HAS_NOT_CHANGED) {
+		filePath->hide();
+		browseButton->hide();
+	} else {
+		filePath->show();
+		browseButton->show();
+	}
+
+	// Reload image data to avoid incorrect matches.
+	//
+	// Condition type HAS_NOT_CHANGED will use matchImage to store previous
+	// frame of video source, which will differ from the image stored at
+	// specified file location.
+	if (switchData->loadImageFromFile()) {
+		UpdatePreviewTooltip();
+	}
+}
+
+void VideoSwitchWidget::DurationChanged(double dur)
+{
+	if (loading || !switchData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switchData->duration = dur;
+}
+
+void VideoSwitchWidget::FilePathChanged()
+{
+	if (loading || !switchData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switchData->file = filePath->text().toUtf8().constData();
+	if (switchData->loadImageFromFile()) {
+		UpdatePreviewTooltip();
+	}
+}
+
+void VideoSwitchWidget::BrowseButtonClicked()
+{
+	if (loading || !switchData) {
+		return;
+	}
+
+	QString path = QFileDialog::getOpenFileName(
+		this,
+		tr(obs_module_text("AdvSceneSwitcher.fileTab.selectRead")),
+		QDir::currentPath(),
+		tr(obs_module_text("AdvSceneSwitcher.fileTab.anyFileType")));
+	if (path.isEmpty()) {
+		return;
+	}
+
+	filePath->setText(path);
+	FilePathChanged();
+}
+
+void VideoSwitchWidget::IgnoreInactiveChanged(int state)
+{
+	if (loading || !switchData) {
+		return;
+	}
+
+	std::lock_guard<std::mutex> lock(switcher->m);
+	switchData->ignoreInactiveSource = state;
+}