--- a/src/gui/dialog/settings/recognition.cc	Fri Nov 10 10:07:01 2023 -0500
+++ b/src/gui/dialog/settings/recognition.cc	Fri Nov 10 13:52:47 2023 -0500
@@ -21,61 +21,85 @@
 	QVBoxLayout* full_layout = new QVBoxLayout(result);
 
 	{
-		/* URLs */
-		QGroupBox* group = new QGroupBox(tr("Media players"), result);
-		group->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+		/* Feed link */
+		QWidget* widget = new QWidget(result);
+		QVBoxLayout* widget_layout = new QVBoxLayout(widget);
 
-		QVBoxLayout* group_layout = new QVBoxLayout(group);
+		QCheckBox* checkbox = new QCheckBox(result);
+		checkbox->setText(tr("Enable media player detection"));
+		checkbox->setCheckState(detect_media_players ? Qt::Checked : Qt::Unchecked);
+		widget_layout->addWidget(checkbox);
+
+		{
+			QLabel* label = new QLabel(tr("Allowed media players:"), widget);
+			widget_layout->addWidget(label);
+		}
 
 		{
-			/* Feed link */
-			QWidget* widget = new QWidget(group);
-			QVBoxLayout* widget_layout = new QVBoxLayout(widget);
-
-			QCheckBox* checkbox = new QCheckBox(group);
-			checkbox->setText(tr("Enable media player detection"));
-			widget_layout->addWidget(checkbox);
-
-			{
-				QLabel* label = new QLabel(tr("Allowed media players:"), widget);
-				widget_layout->addWidget(label);
+			QListWidget* listwidget = new QListWidget(widget);
+			for (size_t i = 0; i < players.size(); i++) {
+				const auto& player = players[i];
+				{
+					QListWidgetItem* item = new QListWidgetItem(listwidget);
+					item->setCheckState(player.GetEnabled() ? Qt::Checked : Qt::Unchecked);
+					item->setText(Strings::ToQString(player.GetName() + " (" + player.GetExecutable() + ")"));
+					item->setData(Qt::UserRole, QVariant::fromValue(i));
+				}
 			}
+			connect(listwidget, &QListWidget::itemChanged, this, [this](QListWidgetItem* item){
+				if (!item)
+					return;
+				size_t i = item->data(Qt::UserRole).toUInt();
+				players[i].SetEnabled(item->checkState());
+			});
+			/* this is down here because the listwidget state depends on it */
+			connect(checkbox, &QCheckBox::stateChanged, this, [this, listwidget](int state) {
+				detect_media_players = (state == Qt::Checked);
+				listwidget->setEnabled(detect_media_players);
+			});
+			listwidget->setEnabled(checkbox->checkState() == Qt::Checked);
 
-			{
-				QListWidget* listwidget = new QListWidget(widget);
-				for (size_t i = 0; i < players.size(); i++) {
-					const auto& player = players[i];
-					{
-						QListWidgetItem* item = new QListWidgetItem(listwidget);
-						item->setCheckState(player.GetEnabled() ? Qt::Checked : Qt::Unchecked);
-						item->setText(Strings::ToQString(player.GetName() + " (" + player.GetExecutable() + ")"));
-						item->setData(Qt::UserRole, QVariant::fromValue(i));
-					}
-				}
-				connect(listwidget, &QListWidget::itemChanged, this, [this](QListWidgetItem* item){
-					if (!item)
-						return;
-					size_t i = item->data(Qt::UserRole).toUInt();
-					players[i].SetEnabled(item->checkState());
-				});
-				/* this is down here because the listwidget state depends on it */
-				connect(checkbox, &QCheckBox::stateChanged, this, [this, listwidget](int state) {
-					detect_media_players = (state == Qt::Checked);
-					listwidget->setEnabled(detect_media_players);
-				});
-				listwidget->setEnabled(detect_media_players);
-
-				widget_layout->addWidget(listwidget);
-			}
-
-			group_layout->addWidget(widget);
+			widget_layout->addWidget(listwidget);
 		}
 
-		full_layout->addWidget(group);
+		full_layout->addWidget(widget);
+	}
+
+	{
+		/* Feed link */
+		QWidget* widget = new QWidget(result);
+		QVBoxLayout* widget_layout = new QVBoxLayout(widget);
+
+		{
+			QLabel* label = new QLabel(tr("Allowed file extensions:"), widget);
+			widget_layout->addWidget(label);
+		}
+
+		{
+			QListWidget* listwidget = new QListWidget(widget);
+			for (size_t i = 0; i < extensions.size(); i++) {
+				const auto& extension = extensions[i];
+				{
+					QListWidgetItem* item = new QListWidgetItem(listwidget);
+					item->setCheckState(extension.GetEnabled() ? Qt::Checked : Qt::Unchecked);
+					item->setText(Strings::ToQString("." + extension.GetExtension()));
+					item->setData(Qt::UserRole, QVariant::fromValue(i));
+				}
+			}
+			connect(listwidget, &QListWidget::itemChanged, this, [this](QListWidgetItem* item){
+				if (!item)
+					return;
+				size_t i = item->data(Qt::UserRole).toUInt();
+				extensions[i].SetEnabled(item->checkState());
+			});
+
+			widget_layout->addWidget(listwidget);
+		}
+
+		full_layout->addWidget(widget);
 	}
 
 	full_layout->setSpacing(10);
-	full_layout->addStretch();
 
 	return result;
 }
@@ -83,11 +107,13 @@
 void SettingsPageRecognition::SaveInfo() {
 	session.config.recognition.detect_media_players = detect_media_players;
 	session.recognition.players = players;
+	session.recognition.extensions = extensions;
 }
 
 SettingsPageRecognition::SettingsPageRecognition(QWidget* parent)
 	: SettingsPage(parent, tr("Recognition")),
-	  players(session.recognition.players) {
+	  players(session.recognition.players),
+	  extensions(session.recognition.extensions) {
 	detect_media_players = session.config.recognition.detect_media_players;
 	AddTab(CreatePlayersWidget(), tr("Media players"));
 }