Delete the current audio device when no inputs or outputs are specified in AudioDeviceManager::setAudioDeviceSetup() and ensure that the AudioDeviceSelectorComponent displays this correctly

modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp

@@ -463,10 +463,13 @@ String AudioDeviceManager::setAudioDeviceSetup (const AudioDeviceSetup& newSetup
 {
     jassert (&newSetup != &currentSetup);    // this will have no effect
 
-    if (newSetup == currentSetup && currentAudioDevice != nullptr)
+    if (newSetup != currentSetup)
+        sendChangeMessage();
+    else if (currentAudioDevice != nullptr)
         return {};
 
-    if (getCurrentDeviceTypeObject() == nullptr)
+    if (getCurrentDeviceTypeObject() == nullptr
+        || (newSetup.inputDeviceName.isEmpty() && newSetup.outputDeviceName.isEmpty()))
     {
         deleteCurrentDevice();
 
@@ -478,9 +481,6 @@ String AudioDeviceManager::setAudioDeviceSetup (const AudioDeviceSetup& newSetup
 
     stopDevice();
 
-    if (newSetup != currentSetup)
-        sendChangeMessage();
-
     String error;
 
     if (currentSetup.inputDeviceName  != newSetup.inputDeviceName

modules/juce_audio_utils/gui/juce_AudioDeviceSelectorComponent.cpp

@@ -542,7 +542,7 @@ private:
             auto* currentDevice = setup.manager->getCurrentAudioDevice();
             auto index = type.getIndexOfDevice (currentDevice, isInput);
 
-            box->setSelectedId (index + 1, dontSendNotification);
+            box->setSelectedId (index < 0 ? index : index + 1, dontSendNotification);
 
             if (testButton != nullptr && ! isInput)
                 testButton->setEnabled (index >= 0);