If capture buffer used, refresh waveform when GUI has been closed and reopened.

Source/PS_Source/Input/AInputS.h

@@ -65,6 +65,12 @@ public:
 		seek(m_activerange.getStart());
 		updateXFadeCache();
 	}
+    virtual AudioBuffer<float>* getAudioBuffer() override
+    {
+        if (m_using_memory_buffer)
+            return &m_readbuf;
+        return nullptr;
+    }
 	bool openAudioFile(File file) override
     {
 		m_silenceoutputted = 0;

Source/PS_Source/Input/InputS.h

@@ -79,7 +79,7 @@ public:
 	{
 		return m_currentsample >= info.nsamples*m_activerange.getEnd();
 	}
-	
+    virtual AudioBuffer<float>* getAudioBuffer()=0;
 protected:
 	volatile int64_t m_currentsample = 0;
 	int m_silenceoutputted = 0;

Source/PS_Source/StretchSource.cpp

@@ -44,6 +44,13 @@ void StretchAudioSource::releaseResources()
 	
 }
 
+AudioBuffer<float>* StretchAudioSource::getSourceAudioBuffer()
+{
+    if (m_inputfile==nullptr)
+        return nullptr;
+    return m_inputfile->getAudioBuffer();
+}
+
 bool StretchAudioSource::isResampling()
 {
     if (m_inputfile==nullptr || m_inputfile->info.samplerate==0)

Source/PS_Source/StretchSource.h

@@ -51,6 +51,8 @@ public:
 	String setAudioFile(File file);
 	File getAudioFile();
 
+    AudioBuffer<float>* getSourceAudioBuffer();
+    
 	void setNumOutChannels(int chans);
 	int getNumOutChannels() { return m_num_outchans; }
 	double getInfilePositionPercent();