M CHANGES → CHANGES

@@ -115,6 +115,7 @@ - Qt: Fix sprite view using wrong base address (fixes mgba.io/i/1603)
  - Qt: Fix inability to clear default keybindings
  - Qt: Release held actions if they get rebound
  - Qt: Fix crash double-clicking menus in shortcut settings (fixes mgba.io/i/1627)
+ - Qt: Fix record A/V window not updating resolution (fixes mgba.io/i/1626)
  - Vita: Fix analog controls (fixes mgba.io/i/1554)
  - Wii: Fix game fast-forwarding after slowing down
  - Wii: Improve audio buffering (fixes mgba.io/i/1617)

M src/platform/qt/VideoView.cpp → src/platform/qt/VideoView.cpp

@@ -197,11 +197,15 @@ free(m_containerCstr);
 }
 
 void VideoView::setController(std::shared_ptr<CoreController> controller) {
-	connect(controller.get(), &CoreController::stopping, this, &VideoView::stopRecording);
-	connect(this, &VideoView::recordingStarted, controller.get(), &CoreController::setAVStream);
-	connect(this, &VideoView::recordingStopped, controller.get(), &CoreController::clearAVStream, Qt::DirectConnection);
+	CoreController* controllerPtr = controller.get();
+	connect(controllerPtr, &CoreController::frameAvailable, this, [this, controllerPtr]() {
+		setNativeResolution(controllerPtr->screenDimensions());
+	});
+	connect(controllerPtr, &CoreController::stopping, this, &VideoView::stopRecording);
+	connect(this, &VideoView::recordingStarted, controllerPtr, &CoreController::setAVStream);
+	connect(this, &VideoView::recordingStopped, controllerPtr, &CoreController::clearAVStream, Qt::DirectConnection);
 
-	setNativeResolution(controller->screenDimensions());
+	setNativeResolution(controllerPtr->screenDimensions());
 }
 
 void VideoView::startRecording() {
@@ -225,6 +229,9 @@ validateSettings();
 }
 
 void VideoView::setNativeResolution(const QSize& dims) {
+	if (dims.width() == m_nativeWidth && dims.height() == m_nativeHeight) {
+		return;
+	}
 	m_nativeWidth = dims.width();
 	m_nativeHeight = dims.height();
 	m_ui.presetNative->setText(tr("Native (%0x%1)").arg(m_nativeWidth).arg(m_nativeHeight));