Added optional parameter to restore audio settings state in AudioAppComponent

modules/juce_audio_utils/gui/juce_AudioAppComponent.cpp

@@ -33,9 +33,9 @@ AudioAppComponent::~AudioAppComponent()
     jassert (audioSourcePlayer.getCurrentSource() == nullptr);
 }
 
-void AudioAppComponent::setAudioChannels (int numInputChannels, int numOutputChannels)
+void AudioAppComponent::setAudioChannels (int numInputChannels, int numOutputChannels, const XmlElement* const xml)
 {
-    String audioError = deviceManager.initialise (numInputChannels, numOutputChannels, nullptr, true);
+    String audioError = deviceManager.initialise (numInputChannels, numOutputChannels, xml, true);
     jassert (audioError.isEmpty());
 
     deviceManager.addAudioCallback (&audioSourcePlayer);

modules/juce_audio_utils/gui/juce_AudioAppComponent.h

@@ -42,7 +42,7 @@ public:
     ~AudioAppComponent();
 
     /** A subclass should call this from their constructor, to set up the audio. */
-    void setAudioChannels (int numInputChannels, int numOutputChannels);
+    void setAudioChannels (int numInputChannels, int numOutputChannels, const XmlElement* const storedSettings = nullptr);
 
     /** Tells the source to prepare for playing.