Add preview button to Image tab in settings

README.md

@@ -0,0 +1,19 @@
+# Slide Controller 9000
+
+## Build Prerequisites
+
+* Install GCC, Clang, or Visual Studio with C++20 support
+* Install Python 3
+* Install Ninja, Make, and CMake
+* [Qt6](https://www.qt.io/download-qt-installer-oss) (Network and Widgets)
+* Consider also installing ccache for faster subsequent build times
+
+## Build
+
+Build options: release, debug, asan
+
+	make purge configure-{release,debug,asan} install
+
+## Run
+
+	make run

src/cameraclient.cpp

@@ -8,6 +8,7 @@
 
 #include <QNetworkReply>
 #include <QSettings>
+#include <string_view>
 
 #include "settingsdata.hpp"
 #include "cameraclient.hpp"
@@ -19,14 +20,61 @@ CameraClient::CameraClient(QObject *parent): QObject(parent) {
 	connect(m_pollingNam, &QNetworkAccessManager::finished, this, &CameraClient::handlePollResponse);
 }
 
-void CameraClient::setPreset(int preset) {
-	if (preset > -1) {
+void CameraClient::setPresetVC(int preset, VideoConfig const&vc) {
+	if (preset > 0 && preset < MaxCameraPresets) {
 		get(QString("/cgi-bin/ptzctrl.cgi?ptzcmd&poscall&%1").arg(preset));
+		setBrightness(vc.brightness);
+		setSaturation(vc.saturation);
+		setContrast(vc.contrast);
+		setSharpness(vc.sharpness);
+		setHue(vc.hue);
+	}
+}
+
+void CameraClient::setPreset(int preset) {
+	if (preset > 0 && preset < MaxCameraPresets) {
+		get(QString("/cgi-bin/ptzctrl.cgi?ptzcmd&poscall&%1").arg(preset));
+		auto const vc = getVideoConfig()[preset - 1];
+		setBrightness(vc.brightness);
+		setSaturation(vc.saturation);
+		setContrast(vc.contrast);
+		setSharpness(vc.sharpness);
+		setHue(vc.hue);
+	}
+}
+
+void CameraClient::setBrightness(int val) {
+	if (val > -1) {
+		get(QString("/cgi-bin/ptzctrl.cgi?post_image_value&bright&%1").arg(val));
+	}
+}
+
+void CameraClient::setSaturation(int val) {
+	if (val > -1) {
+		get(QString("/cgi-bin/ptzctrl.cgi?post_image_value&saturation&%1").arg(val));
+	}
+}
+
+void CameraClient::setContrast(int val) {
+	if (val > -1) {
+		get(QString("/cgi-bin/ptzctrl.cgi?post_image_value&contrast&%1").arg(val));
+	}
+}
+
+void CameraClient::setSharpness(int val) {
+	if (val > -1) {
+		get(QString("/cgi-bin/ptzctrl.cgi?post_image_value&sharpness&%1").arg(val));
+	}
+}
+
+void CameraClient::setHue(int val) {
+	if (val > -1) {
+		get(QString("/cgi-bin/ptzctrl.cgi?post_image_value&hue&%1").arg(val));
 	}
 }
 
 void CameraClient::setBaseUrl() {
-	const auto [host, port] = getCameraConnectionData();
+	auto const [host, port] = getCameraConnectionData();
 	m_baseUrl = QString("http://%1:%2").arg(host, QString::number(port));
 }
 

src/cameraclient.hpp

@@ -25,8 +25,20 @@ class CameraClient: public QObject {
 	public:
 		explicit CameraClient(QObject *parent = nullptr);
 
+		void setPresetVC(int preset, struct VideoConfig const&vc);
+
 		void setPreset(int preset);
 
+		void setBrightness(int val);
+
+		void setSaturation(int val);
+
+		void setContrast(int val);
+
+		void setSharpness(int val);
+
+		void setHue(int val);
+
 	public slots:
 		void setBaseUrl();
 

src/mainwindow.cpp

@@ -22,19 +22,19 @@ MainWindow::MainWindow(QWidget *parent): QMainWindow(parent) {
 	setFixedSize(610, 555);
 	setWindowTitle(tr("Slide Controller 9000"));
 	setupMenu();
-	const auto mainWidget = new QWidget(this);
+	auto const mainWidget = new QWidget(this);
 	m_rootLyt = new QVBoxLayout;
-	const auto controlsLayout = new QGridLayout;
+	auto const controlsLayout = new QGridLayout;
 	m_slideView = new SlideView(this);
 	setCentralWidget(mainWidget);
 	mainWidget->setLayout(m_rootLyt);
 	m_rootLyt->addWidget(m_slideView);
 	m_rootLyt->addLayout(controlsLayout);
 	// setup slide controls
-	const auto btnPrevSong = new QPushButton(tr("Previous Song"), this);
-	const auto btnPrevSlide = new QPushButton(tr("Previous Slide"), this);
-	const auto btnNextSlide = new QPushButton(tr("Next Slide"), this);
-	const auto btnNextSong = new QPushButton(tr("Next Song"), this);
+	auto const btnPrevSong = new QPushButton(tr("Previous Song"), this);
+	auto const btnPrevSlide = new QPushButton(tr("Previous Slide"), this);
+	auto const btnNextSlide = new QPushButton(tr("Next Slide"), this);
+	auto const btnNextSong = new QPushButton(tr("Next Song"), this);
 	btnPrevSong->setToolTip(tr("Change to previous song (left arrow key)"));
 	btnPrevSlide->setToolTip(tr("Change to previous slide (up arrow key)"));
 	btnNextSong->setToolTip(tr("Change to next song (right arrow key)"));
@@ -113,7 +113,7 @@ void MainWindow::setupMenu() {
 	// camera preset menu
 	{
 		auto const menu = menuBar()->addMenu(tr("&Camera Preset"));
-		for (auto i = 0; i < MaxCameraPresets; ++i) {
+		for (auto i = 0; i < std::min(9, MaxCameraPresets); ++i) {
 			auto const cameraPresetAct = new QAction(tr("Camera Preset &%1").arg(i + 1), this);
 			cameraPresetAct->setShortcut(Qt::ALT | static_cast<Qt::Key>(Qt::Key_1 + i));
 			connect(cameraPresetAct, &QAction::triggered, &m_cameraClient, [this, i] {
@@ -129,7 +129,7 @@ void MainWindow::setupMenu() {
 		connect(aboutAct, &QAction::triggered, &m_cameraClient, [this] {
 			QMessageBox about(this);
 			about.setText(tr(
-R"(Slide Controller 9000 - 1.0-beta1
+R"(Slide Controller 9000 - 1.0-beta2
 Build date: %1
 
 Copyright 2021 - 2023 Gary Talent (gary@drinkingtea.net)
@@ -141,27 +141,7 @@ Built on Qt library under LGPL 2.0)").arg(__DATE__));
 	}
 }
 
-void MainWindow::setupDefaultViewControls(QGridLayout *viewCtlLyt) {
-	auto const mainWidget = viewCtlLyt->parentWidget();
-	auto const btnHideSlides = new QPushButton(tr("1. Hide"), mainWidget);
-	auto const btnOpenLpShowSlides = new QPushButton(tr("2. Show in OpenLP Only"), mainWidget);
-	auto const btnShowSlides = new QPushButton(tr("3. Show"), mainWidget);
-	viewCtlLyt->addWidget(btnHideSlides, 0, 0);
-	viewCtlLyt->addWidget(btnOpenLpShowSlides, 0, 1);
-	viewCtlLyt->addWidget(btnShowSlides, 0, 2);
-	btnHideSlides->setShortcut(Qt::Key_1);
-	btnOpenLpShowSlides->setShortcut(Qt::Key_2);
-	btnHideSlides->setToolTip(tr("Also hides slides in OBS"));
-	btnShowSlides->setShortcut(Qt::Key_3);
-	connect(btnHideSlides, &QPushButton::clicked, &m_openlpClient, &OpenLPClient::blankScreen);
-	connect(btnHideSlides, &QPushButton::clicked, &m_obsClient, &OBSClient::hideSlides);
-	connect(btnOpenLpShowSlides, &QPushButton::clicked, &m_openlpClient, &OpenLPClient::showSlides);
-	connect(btnOpenLpShowSlides, &QPushButton::clicked, &m_obsClient, &OBSClient::hideSlides);
-	connect(btnShowSlides, &QPushButton::clicked, &m_obsClient, &OBSClient::showSlides);
-	connect(btnShowSlides, &QPushButton::clicked, &m_openlpClient, &OpenLPClient::showSlides);
-}
-
-void MainWindow::setupCustomViewControls(QVector<View> const&views, QGridLayout *viewCtlLyt) {
+void MainWindow::setupViewControlButtons(QVector<View> const&views, QGridLayout *viewCtlLyt) {
 	constexpr auto columns = 3;
 	auto const parent = viewCtlLyt->parentWidget();
 	for (auto i = 0; auto const&view : views) {
@@ -203,8 +183,8 @@ void MainWindow::setupViewControls(QVBoxLayout *rootLyt) {
 				.obsSlides = false,
 		});
 		views.emplace_back(View{
-				.name = tr("Hide in OBS"),
-				.slides = false,
+				.name = tr("Show in OpenLP Only"),
+				.slides = true,
 				.obsSlides = false,
 		});
 		views.emplace_back(View{
@@ -213,15 +193,12 @@ void MainWindow::setupViewControls(QVBoxLayout *rootLyt) {
 			.obsSlides = false,
 		});
 	}
-	if (views.empty()) {
-		setupDefaultViewControls(viewCtlLyt);
-	} else {
-		setupCustomViewControls(views, viewCtlLyt);
-	}
+	setupViewControlButtons(views, viewCtlLyt);
 }
 
 void MainWindow::openSettings() {
 	SettingsDialog d(this);
+	connect(&d, &SettingsDialog::previewPreset, &m_cameraClient, &CameraClient::setPreset);
 	auto const result = d.exec();
 	if (result == QDialog::Accepted) {
 		m_cameraClient.setBaseUrl();

src/mainwindow.hpp

@@ -40,9 +40,7 @@ class MainWindow: public QMainWindow {
 	private:
 		void setupMenu();
 
-		void setupDefaultViewControls(class QGridLayout *rootLyt);
-
-		void setupCustomViewControls(QVector<View> const&views, class QGridLayout *rootLyt);
+		void setupViewControlButtons(QVector<View> const&views, class QGridLayout *rootLyt);
 
 		void setupViewControls(class QVBoxLayout *rootLyt);
 

src/obsclient.cpp

@@ -42,7 +42,7 @@ void OBSClient::setSlidesVisible(bool state) {
 }
 
 void OBSClient::setBaseUrl() {
-	const auto [host, port] = getOBSConnectionData();
+	auto const [host, port] = getOBSConnectionData();
 	m_baseUrl = QString("http://%1:%2").arg(host, QString::number(port));
 }
 

src/openlpclient.cpp

@@ -28,8 +28,8 @@ OpenLPClient::OpenLPClient(QObject *parent): QObject(parent) {
 }
 
 QString OpenLPClient::getNextSong() {
-	const auto currentSong = m_songNameMap[m_currentSongId];
-	const auto songIdx = m_songList.indexOf(currentSong) + 1;
+	auto const currentSong = m_songNameMap[m_currentSongId];
+	auto const songIdx = m_songList.indexOf(currentSong) + 1;
 	if (songIdx < m_songList.size()) {
 		return m_songList[songIdx];
 	}
@@ -81,7 +81,7 @@ void OpenLPClient::changeSlide(int slide) {
 }
 
 void OpenLPClient::setBaseUrl() {
-	const auto [host, port] = getOpenLPConnectionData();
+	auto const [host, port] = getOpenLPConnectionData();
 	m_baseUrl = QString("http://%1:%2").arg(host, QString::number(port));
 }
 
@@ -160,7 +160,7 @@ void OpenLPClient::handleSongListResponse(QNetworkReply *reply) {
 	auto items = doc.object()["results"].toObject()["items"].toArray();
 	m_songNameMap.clear();
 	m_songList.clear();
-	for (const auto &item : items) {
+	for (auto const &item : items) {
 		auto song = item.toObject();
 		auto name = song["title"].toString();
 		auto id = song["id"].toString();
@@ -183,7 +183,7 @@ void OpenLPClient::handleSlideListResponse(QNetworkReply *reply) {
 	QStringList tagList;
 	auto doc = QJsonDocument::fromJson(data);
 	auto items = doc.object()["results"].toObject()["slides"].toArray();
-	for (const auto &item : items) {
+	for (auto const &item : items) {
 		auto slide = item.toObject();
 		auto text = slide["text"].toString();
 		auto tag = slide["tag"].toString();

src/settingsdata.cpp

@@ -8,8 +8,54 @@
 
 #include <QSettings>
 
+#include "consts.hpp"
 #include "settingsdata.hpp"
 
+void setVideoConfig(QSettings &settings, QVector<VideoConfig> const&vcList) {
+	settings.beginGroup("Camera");
+	settings.beginWriteArray("VideoImageConfig");
+	for (auto i = 0; auto const&vc : vcList) {
+		settings.setArrayIndex(i);
+		settings.setValue("brightness", vc.brightness);
+		settings.setValue("saturation", vc.saturation);
+		settings.setValue("contrast", vc.contrast);
+		settings.setValue("sharpness", vc.sharpness);
+		settings.setValue("hue", vc.hue);
+		++i;
+	}
+	settings.endArray();
+	settings.endGroup();
+}
+
+void setVideoConfig(QVector<VideoConfig> const&vcList) {
+	QSettings s;
+	setVideoConfig(s, vcList);
+}
+
+QVector<VideoConfig> getVideoConfig(QSettings &settings) {
+	QVector<VideoConfig> vc(MaxCameraPresets);
+	settings.beginGroup("Camera");
+	auto const size = std::min(settings.beginReadArray("VideoImageConfig"), MaxCameraPresets);
+	for (auto i = 0; i < size; ++i) {
+		settings.setArrayIndex(i);
+		vc[i] = {
+			.brightness = settings.value("brightness").toInt(),
+			.saturation = settings.value("saturation").toInt(),
+			.contrast = settings.value("contrast").toInt(),
+			.sharpness = settings.value("sharpness").toInt(),
+			.hue = settings.value("hue").toInt(),
+		};
+	}
+	settings.endArray();
+	settings.endGroup();
+	return vc;
+}
+
+QVector<VideoConfig> getVideoConfig() {
+	QSettings s;
+	return getVideoConfig(s);
+}
+
 void setCameraConnectionData(QSettings &settings, ConnectionData const&cd) {
 	settings.beginGroup("CameraClient");
 	settings.setValue("Host", cd.host);
@@ -121,7 +167,7 @@ void setViews(QVector<View> const&views) {
 QVector<View> getViews(QSettings &settings) {
 	QVector<View> out;
 	settings.beginGroup("Views");
-	const auto size = settings.beginReadArray("Views");
+	auto const size = settings.beginReadArray("Views");
 	for (auto i = 0; i < size; ++i) {
 		settings.setArrayIndex(i);
 		out.emplace_back(View{

src/settingsdata.hpp

@@ -8,9 +8,26 @@
 
 #pragma once
 
+#include <cstdint>
 #include <QString>
 #include <QVector>
 
+struct VideoConfig {
+	int brightness = 6;
+	int saturation = 4;
+	int contrast = 8;
+	int sharpness = 3;
+	int hue = 7;
+};
+
+void setVideoConfig(class QSettings &settings, QVector<VideoConfig> const&vc);
+
+void setVideoConfig(QVector<VideoConfig> const&vc);
+
+QVector<VideoConfig> getVideoConfig(class QSettings &settings);
+
+QVector<VideoConfig> getVideoConfig();
+
 struct ConnectionData {
 	QString host;
 	uint16_t port = 0;
@@ -56,4 +73,4 @@ void setViews(QVector<View> const&views);
 QVector<View> getViews(class QSettings &settings);
 
 [[nodiscard]]
-QVector<View> getViews();
+QVector<View> getViews();

src/settingsdialog.cpp

@@ -7,6 +7,7 @@
  */
 
 #include <QCheckBox>
+#include <QComboBox>
 #include <QFormLayout>
 #include <QHeaderView>
 #include <QIntValidator>
@@ -15,6 +16,7 @@
 #include <QPushButton>
 #include <QSettings>
 #include <QSpacerItem>
+#include <QSpinBox>
 #include <QTabWidget>
 #include <QTableWidget>
 #include <QVBoxLayout>
@@ -31,23 +33,24 @@ enum ViewColumn {
 };
 
 SettingsDialog::SettingsDialog(QWidget *parent): QDialog(parent) {
-	const auto lyt = new QVBoxLayout(this);
-	const auto tabs = new QTabWidget(this);
+	auto const lyt = new QVBoxLayout(this);
+	auto const tabs = new QTabWidget(this);
 	lyt->addWidget(tabs);
 	tabs->addTab(setupViewConfig(tabs), tr("&Views"));
+	tabs->addTab(setupImageConfig(tabs), tr("&Image"));
 	tabs->addTab(setupNetworkInputs(tabs), tr("&Network"));
 	lyt->addWidget(setupButtons(this));
 	setFixedSize(440, 440);
 }
 
 QWidget *SettingsDialog::setupNetworkInputs(QWidget *parent) {
-	const auto root = new QWidget(parent);
-	const auto lyt = new QFormLayout(root);
-	const auto portValidator = new QIntValidator(1, 65536, this);
+	auto const root = new QWidget(parent);
+	auto const lyt = new QFormLayout(root);
+	auto const portValidator = new QIntValidator(1, 65536, this);
 	QSettings settings;
 	// camera settings
 	{
-		const auto c = getCameraConnectionData(settings);
+		auto const c = getCameraConnectionData(settings);
 		m_cameraHostLe = new QLineEdit(root);
 		m_cameraPortLe = new QLineEdit(root);
 		m_cameraHostLe->setText(c.host);
@@ -58,7 +61,7 @@ QWidget *SettingsDialog::setupNetworkInputs(QWidget *parent) {
 	}
 	// OpenLP settings
 	{
-		const auto c = getOpenLPConnectionData(settings);
+		auto const c = getOpenLPConnectionData(settings);
 		m_openLpHostLe = new QLineEdit(root);
 		m_openLpPortLe = new QLineEdit(root);
 		m_openLpHostLe->setText(c.host);
@@ -69,7 +72,7 @@ QWidget *SettingsDialog::setupNetworkInputs(QWidget *parent) {
 	}
 	// OBS settings
 	{
-		const auto c = getOBSConnectionData(settings);
+		auto const c = getOBSConnectionData(settings);
 		m_obsHostLe = new QLineEdit(root);
 		m_obsPortLe = new QLineEdit(root);
 		m_obsHostLe->setText(c.host);
@@ -81,13 +84,58 @@ QWidget *SettingsDialog::setupNetworkInputs(QWidget *parent) {
 	return root;
 }
 
+QWidget *SettingsDialog::setupImageConfig(QWidget *parent) {
+	auto const root = new QWidget(parent);
+	auto const lyt = new QVBoxLayout(root);
+	{
+		auto const formRoot = new QWidget(parent);
+		auto const formLyt = new QFormLayout(formRoot);
+		lyt->addWidget(formRoot);
+		m_videoConfig = getVideoConfig();
+		auto const mkSb = [parent, formLyt](QString const&lbl) {
+			auto const s = new QSpinBox(parent);
+			s->setAlignment(Qt::AlignRight);
+			s->setRange(0, 14);
+			formLyt->addRow(lbl, s);
+			return s;
+		};
+		auto const presetNo = new QComboBox(parent);
+		connect(presetNo, &QComboBox::currentIndexChanged, this, &SettingsDialog::updateVidConfigPreset);
+		for (auto i = 0; i < MaxCameraPresets; ++i) {
+			presetNo->addItem(tr("Camera Preset %1").arg(i + 1));
+		}
+		formLyt->addRow(presetNo);
+		m_vidBrightness = mkSb(tr("&Brightness:"));
+		m_vidSaturation = mkSb(tr("&Saturation:"));
+		m_vidContrast = mkSb(tr("Con&trast:"));
+		m_vidSharpness = mkSb(tr("Sh&arpness:"));
+		m_vidHue = mkSb(tr("&Hue:"));
+		updateVidConfigPreset(0);
+	}
+	{
+		auto const btnRoot = new QWidget(parent);
+		auto const btnLyt = new QHBoxLayout(btnRoot);
+		lyt->addWidget(btnRoot);
+		btnLyt->setAlignment(Qt::AlignRight);
+		auto const previewBtn = new QPushButton(tr("&Preview"), btnRoot);
+		btnLyt->addWidget(previewBtn);
+		connect(previewBtn, &QPushButton::clicked, this, [this] {
+			this->collectVideoConfig();
+			auto const &vc = m_videoConfig[m_vidCurrentPreset];
+			emit previewPreset(m_vidCurrentPreset + 1, vc);
+		});
+	}
+	return root;
+}
+
 QWidget *SettingsDialog::setupViewConfig(QWidget *parent) {
 	auto const root = new QWidget(parent);
 	auto const lyt = new QVBoxLayout(root);
-	// table
-	m_viewTable = new QTableWidget(parent);
-	{
-		lyt->addWidget(m_viewTable);
+	auto const btnsRoot = new QWidget(root);
+	m_viewTable = new QTableWidget(root);
+	lyt->addWidget(btnsRoot);
+	lyt->addWidget(m_viewTable);
+	{ // table
 		QStringList columns;
 		columns.resize(ViewColumn::Count);
 		columns[ViewColumn::Name] = tr("Name");
@@ -104,19 +152,16 @@ QWidget *SettingsDialog::setupViewConfig(QWidget *parent) {
 		m_viewTable->setColumnWidth(3, 70);
 		hdr->setStretchLastSection(true);
 	}
-	// add/removes buttons
-	{
-		auto const btnsRoot = new QWidget(root);
+	{ // add/removes buttons
 		auto const btnsLyt = new QHBoxLayout(btnsRoot);
-		auto const addBtn = new QPushButton("+", btnsRoot);
-		auto const rmBtn = new QPushButton("-", btnsRoot);
-		addBtn->setFixedWidth(20);
-		rmBtn->setFixedWidth(20);
+		auto const addBtn = new QPushButton("&Add", btnsRoot);
+		auto const rmBtn = new QPushButton("&Remove", btnsRoot);
+		addBtn->setFixedWidth(70);
+		rmBtn->setFixedWidth(70);
 		rmBtn->setDisabled(true);
-		lyt->addWidget(btnsRoot);
 		btnsLyt->addWidget(addBtn);
 		btnsLyt->addWidget(rmBtn);
-		btnsLyt->addSpacerItem(new QSpacerItem(1000, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
+		btnsLyt->setAlignment(Qt::AlignLeft);
 		connect(addBtn, &QPushButton::clicked, this, [this, addBtn] {
 			auto const row = m_viewTable->rowCount();
 			m_viewTable->setRowCount(row + 1);
@@ -132,7 +177,7 @@ QWidget *SettingsDialog::setupViewConfig(QWidget *parent) {
 			rmBtn->setEnabled(row > -1 && row < m_viewTable->rowCount());
 			addBtn->setEnabled(m_viewTable->rowCount() < MaxViews);
 		});
-		const auto views = getViews();
+		auto const views = getViews();
 		m_viewTable->setRowCount(static_cast<int>(views.size()));
 		for (auto row = 0; auto const&view : views) {
 			setupViewRow(row, view);
@@ -143,11 +188,11 @@ QWidget *SettingsDialog::setupViewConfig(QWidget *parent) {
 }
 
 QWidget *SettingsDialog::setupButtons(QWidget *parent) {
-	const auto root = new QWidget(parent);
-	const auto lyt = new QHBoxLayout(root);
+	auto const root = new QWidget(parent);
+	auto const lyt = new QHBoxLayout(root);
 	m_errLbl = new QLabel(root);
-	const auto okBtn = new QPushButton(tr("&OK"), root);
-	const auto cancelBtn = new QPushButton(tr("&Cancel"), root);
+	auto const okBtn = new QPushButton(tr("&OK"), root);
+	auto const cancelBtn = new QPushButton(tr("&Cancel"), root);
 	lyt->addWidget(m_errLbl);
 	lyt->addSpacerItem(new QSpacerItem(1000, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
 	lyt->addWidget(okBtn);
@@ -177,23 +222,25 @@ void SettingsDialog::handleOK() {
 		.host = m_obsHostLe->text(),
 		.port = m_obsPortLe->text().toUShort(),
 	});
+	collectVideoConfig();
+	setVideoConfig(settings, m_videoConfig);
 	accept();
 }
 
 void SettingsDialog::setupViewRow(int row, View const&view) {
 	// name
-	const auto nameItem = new QTableWidgetItem(view.name);
+	auto const nameItem = new QTableWidgetItem(view.name);
 	m_viewTable->setItem(row, ViewColumn::Name, nameItem);
 	// slides
-	const auto slidesCb = new QCheckBox(m_viewTable);
+	auto const slidesCb = new QCheckBox(m_viewTable);
 	slidesCb->setChecked(view.slides);
 	m_viewTable->setCellWidget(row, ViewColumn::Slides, slidesCb);
 	// obs slides
-	const auto obsSlidesCb = new QCheckBox(m_viewTable);
+	auto const obsSlidesCb = new QCheckBox(m_viewTable);
 	obsSlidesCb->setChecked(view.obsSlides);
 	m_viewTable->setCellWidget(row, ViewColumn::ObsSlides, obsSlidesCb);
 	// camera preset
-	const auto presetItem = new QTableWidgetItem(QString::number(view.cameraPreset));
+	auto const presetItem = new QTableWidgetItem(QString::number(view.cameraPreset));
 	m_viewTable->setItem(row, ViewColumn::CameraPreset, presetItem);
 }
 
@@ -206,7 +253,7 @@ int SettingsDialog::collectViews(QVector<View> &views) const {
 			m_errLbl->setText(tr("View %1 has no name.").arg(viewNo));
 			return 1;
 		}
-		const auto cameraPreset = m_viewTable->item(row, ViewColumn::CameraPreset)->text().toInt(&ok);
+		auto const cameraPreset = m_viewTable->item(row, ViewColumn::CameraPreset)->text().toInt(&ok);
 		if (!ok || cameraPreset < 1 || cameraPreset > MaxCameraPresets) {
 			m_errLbl->setText(tr("View %1 has invalid preset (1-%2)").arg(viewNo).arg(MaxCameraPresets));
 			return 2;
@@ -220,3 +267,38 @@ int SettingsDialog::collectViews(QVector<View> &views) const {
 	}
 	return 0;
 }
+
+void SettingsDialog::collectVideoConfig() {
+	auto &vc = m_videoConfig[m_vidCurrentPreset];
+	auto constexpr getVal = [](int &val, QSpinBox *src) {
+		if (src) {
+			val = src->value();
+		}
+	};
+	getVal(vc.brightness, m_vidBrightness);
+	getVal(vc.saturation, m_vidSaturation);
+	getVal(vc.contrast, m_vidContrast);
+	getVal(vc.sharpness, m_vidSharpness);
+	getVal(vc.hue, m_vidHue);
+}
+
+void SettingsDialog::updateVidConfigPreset(int preset) {
+	// update to new value
+	auto constexpr setVal = [](int val, QSpinBox *dst) {
+		if (dst) {
+			dst->setValue(val);
+		}
+	};
+	auto const&vc = m_videoConfig[preset];
+	setVal(vc.brightness, m_vidBrightness);
+	setVal(vc.saturation, m_vidSaturation);
+	setVal(vc.contrast, m_vidContrast);
+	setVal(vc.sharpness, m_vidSharpness);
+	setVal(vc.hue, m_vidHue);
+	m_vidCurrentPreset = preset;
+}
+
+void SettingsDialog::updateVidConfigPresetCollect(int preset) {
+	collectVideoConfig();
+	updateVidConfigPreset(preset);
+}

src/settingsdialog.hpp

@@ -10,11 +10,13 @@
 
 #include <QDialog>
 
+#include "consts.hpp"
 #include "settingsdata.hpp"
 
 class SettingsDialog: public QDialog {
 	Q_OBJECT
 	private:
+		QVector<VideoConfig> m_videoConfig = QVector<VideoConfig>(MaxCameraPresets);
 		class QLabel *m_errLbl = nullptr;
 		class QLineEdit *m_cameraHostLe = nullptr;
 		class QLineEdit *m_cameraPortLe = nullptr;
@@ -22,12 +24,19 @@ class SettingsDialog: public QDialog {
 		class QLineEdit *m_openLpPortLe = nullptr;
 		class QLineEdit *m_obsHostLe = nullptr;
 		class QLineEdit *m_obsPortLe = nullptr;
+		class QSpinBox *m_vidBrightness = nullptr;
+		class QSpinBox *m_vidSaturation = nullptr;
+		class QSpinBox *m_vidContrast = nullptr;
+		class QSpinBox *m_vidSharpness = nullptr;
+		class QSpinBox *m_vidHue = nullptr;
+		int m_vidCurrentPreset = 0;
 		class QTableWidget *m_viewTable = nullptr;
 	public:
 		explicit SettingsDialog(QWidget *parent);
 	private:
 		QWidget *setupNetworkInputs(QWidget *parent);
 		QWidget *setupViewConfig(QWidget *parent);
+		QWidget *setupImageConfig(QWidget *parent);
 		QWidget *setupButtons(QWidget *parent);
 		void handleOK();
 		void setupViewRow(int row, View const&view = {});
@@ -37,4 +46,9 @@ class SettingsDialog: public QDialog {
 		 */
 		[[nodiscard("Must check error code")]]
 		int collectViews(QVector<View> &views) const;
+		void collectVideoConfig();
+		void updateVidConfigPreset(int preset);
+		void updateVidConfigPresetCollect(int preset);
+	signals:
+		void previewPreset(int, VideoConfig const&);
 };

src/slideview.cpp

@@ -34,8 +34,8 @@ SlideView::SlideView(QWidget *parent): QWidget(parent) {
 }
 
 QString SlideView::getNextSong() const {
-	const auto cnt = m_songSelector->count();
-	const auto idx = m_songSelector->currentRow() + 1;
+	auto const cnt = m_songSelector->count();
+	auto const idx = m_songSelector->currentRow() + 1;
 	if (idx < cnt) {
 		return m_songSelector->currentItem()->text();
 	}
@@ -72,7 +72,7 @@ void SlideView::slideListUpdate(QStringList const&tagList, QStringList const&sli
 	m_currentSlide = 0;
 	m_slideTable->setRowCount(static_cast<int>(slideList.size()));
 	for (int i = 0; i < slideList.size(); ++i) {
-		const auto& txt = slideList[i];
+		auto const& txt = slideList[i];
 		auto item = new QTableWidgetItem(txt);
 		item->setFlags(item->flags() & ~Qt::ItemIsEditable);
 		m_slideTable->setItem(i, 0, item);