From e411a99f704755590b2aa5b44940af107d640c3b Mon Sep 17 00:00:00 2001
From: xenakios <xenakios@gmail.com>
Date: Wed, 13 Dec 2017 05:18:39 +0200
Subject: [PATCH] If capture buffer used, refresh waveform when GUI has been
 closed and reopened.

---
 Source/PS_Source/Input/AInputS.h   |  6 ++++++
 Source/PS_Source/Input/InputS.h    |  2 +-
 Source/PS_Source/StretchSource.cpp |  7 +++++++
 Source/PS_Source/StretchSource.h   |  2 ++
 Source/PluginEditor.cpp            | 10 +++++++++-
 5 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/Source/PS_Source/Input/AInputS.h b/Source/PS_Source/Input/AInputS.h
index ad347b0..11a0619 100644
--- a/Source/PS_Source/Input/AInputS.h
+++ b/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;
diff --git a/Source/PS_Source/Input/InputS.h b/Source/PS_Source/Input/InputS.h
index b80b4d8..7742178 100644
--- a/Source/PS_Source/Input/InputS.h
+++ b/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;
diff --git a/Source/PS_Source/StretchSource.cpp b/Source/PS_Source/StretchSource.cpp
index 00184a3..b74f02b 100644
--- a/Source/PS_Source/StretchSource.cpp
+++ b/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)
diff --git a/Source/PS_Source/StretchSource.h b/Source/PS_Source/StretchSource.h
index 3ffc413..054f5f0 100644
--- a/Source/PS_Source/StretchSource.h
+++ b/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();
diff --git a/Source/PluginEditor.cpp b/Source/PluginEditor.cpp
index f612f0c..9096472 100644
--- a/Source/PluginEditor.cpp
+++ b/Source/PluginEditor.cpp
@@ -111,6 +111,13 @@ void PaulstretchpluginAudioProcessorEditor::timerCallback(int id)
 		{
 			m_wavecomponent.setAudioFile(processor.getAudioFile());
 		}
+        if (processor.getAudioFile()==File() && processor.isRecordingEnabled()==false)
+        {
+            auto bufptr = processor.getStretchSource()->getSourceAudioBuffer();
+            if (bufptr!=nullptr)
+                m_wavecomponent.setAudioBuffer(bufptr,
+                                               processor.getSampleRate(), bufptr->getNumSamples());
+        }
 		m_wavecomponent.setTimeSelection(processor.getTimeSelection());
 		
 	}
@@ -297,7 +304,8 @@ void WaveformComponent::setAudioFile(File f)
 
 void WaveformComponent::setAudioBuffer(AudioBuffer<float>* buf, int samplerate, int len)
 {
-	m_waveimage = Image();
+    jassert(buf!=nullptr);
+    m_waveimage = Image();
 	m_curfile = File();
 	m_thumb->reset(buf->getNumChannels(), samplerate, len);
 	m_thumb->addBlock(0, *buf, 0, len);