From cf3c26989eba047631c3fe98e1c86ed7be6dab75 Mon Sep 17 00:00:00 2001
From: xenakios <xenakios@gmail.com>
Date: Thu, 17 Jan 2019 19:26:41 +0200
Subject: [PATCH] Very preliminary tests to allow reacting to incoming MIDI
 notes

---
 Source/PluginProcessor.cpp | 23 +++++++++++++++++++++++
 Source/PluginProcessor.h   |  1 +
 paulstretchplugin.jucer    |  3 ++-
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/Source/PluginProcessor.cpp b/Source/PluginProcessor.cpp
index c6624ad..b4e5df1 100644
--- a/Source/PluginProcessor.cpp
+++ b/Source/PluginProcessor.cpp
@@ -777,6 +777,29 @@ void PaulstretchpluginAudioProcessor::processBlock (AudioSampleBuffer& buffer, M
 	
 	m_stretch_source->setFreezing(getParameter(cpi_freeze));
 	m_stretch_source->setPaused(getParameter(cpi_pause_enabled));
+	MidiBuffer::Iterator midi_it(midiMessages);
+	MidiMessage midi_msg;
+	int midi_msg_pos;
+	while (true)
+	{
+		if (midi_it.getNextEvent(midi_msg, midi_msg_pos) == false)
+			break;
+		if (midi_msg.isNoteOn())
+		{
+			m_midinote_to_use = midi_msg.getNoteNumber();
+			break;
+		}
+		if (midi_msg.isNoteOff())
+		{
+			m_midinote_to_use = -1;
+		}
+	}
+	if (m_midinote_to_use >= 0)
+	{
+		int note_offset = m_midinote_to_use - 60;
+		m_ppar.pitch_shift.cents += 100.0*note_offset;
+	}
+	
 	m_stretch_source->setProcessParameters(&m_ppar);
 	AudioSourceChannelInfo aif(buffer);
 	if (isNonRealtime() || m_use_backgroundbuffering == false)
diff --git a/Source/PluginProcessor.h b/Source/PluginProcessor.h
index 8434645..6fde7fb 100644
--- a/Source/PluginProcessor.h
+++ b/Source/PluginProcessor.h
@@ -273,6 +273,7 @@ private:
 	AudioFilePreviewComponent* m_previewcomponent = nullptr;
 	void saveCaptureBuffer();
 	SharedResourcePointer<MyThreadPool> m_threadpool;
+	int m_midinote_to_use = -1;
 	//==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PaulstretchpluginAudioProcessor)
 };
diff --git a/paulstretchplugin.jucer b/paulstretchplugin.jucer
index b3f1f2b..b860023 100644
--- a/paulstretchplugin.jucer
+++ b/paulstretchplugin.jucer
@@ -11,7 +11,8 @@
               pluginWantsMidiIn="0" pluginProducesMidiOut="0" pluginIsMidiEffectPlugin="0"
               pluginEditorRequiresKeys="0" pluginAUExportPrefix="paulxstretchAU"
               aaxIdentifier="com.yourcompany.paulstretchplugin" pluginAAXCategory="2"
-              jucerVersion="5.4.1" headerPath="&#10;&#10;" pluginFormats="buildVST,buildVST3,buildAU,buildStandalone">
+              jucerVersion="5.4.1" headerPath="&#10;&#10;" pluginFormats="buildVST,buildVST3,buildAU,buildStandalone"
+              pluginCharacteristicsValue="pluginWantsMidiIn">
   <MAINGROUP id="nozXHl" name="PaulXStretch">
     <GROUP id="{03DA6B32-F666-FF60-F168-4385D0847058}" name="Source">
       <FILE id="RanaVV" name="RenderSettingsComponent.cpp" compile="1" resource="0"