Add support for opening audio files in sosci

Source/SosciPluginProcessor.cpp

@@ -12,34 +12,56 @@ void SosciAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer, juce::M
     juce::ScopedNoDenormals noDenormals;
 
     auto input = getBusBuffer(buffer, true, 0);
+    auto output = getBusBuffer(buffer, false, 0);
     float EPSILON = 0.0001f;
 
     midiMessages.clear();
 
     auto inputArray = input.getArrayOfWritePointers();
-
+    auto outputArray = output.getArrayOfWritePointers();
+    
+    juce::CriticalSection::ScopedLockType lock2(wavParserLock);
+    bool readingFromWav = wavParser != nullptr;
+    
 	for (int sample = 0; sample < input.getNumSamples(); ++sample) {
-        float x = input.getNumChannels() > 0 ? inputArray[0][sample] : 0.0f;
-        float y = input.getNumChannels() > 1 ? inputArray[1][sample] : 0.0f;
-        float brightness = 1.0f;
-        if (input.getNumChannels() > 2 && !forceDisableBrightnessInput) {
-            float brightnessChannel = inputArray[2][sample];
-            // Only enable brightness if we actually receive a signal on the brightness channel
-            if (!brightnessEnabled && brightnessChannel > EPSILON) {
-                brightnessEnabled = true;
-            }
-            if (brightnessEnabled) {
-                brightness = brightnessChannel;
+        OsciPoint point;
+        
+        if (readingFromWav) {
+            point = wavParser->getSample();
+            point.z = 1.0f;
+        } else {
+            float x = input.getNumChannels() > 0 ? inputArray[0][sample] : 0.0f;
+            float y = input.getNumChannels() > 1 ? inputArray[1][sample] : 0.0f;
+            float brightness = 1.0f;
+            if (input.getNumChannels() > 2 && !forceDisableBrightnessInput) {
+                float brightnessChannel = inputArray[2][sample];
+                // Only enable brightness if we actually receive a signal on the brightness channel
+                if (!brightnessEnabled && brightnessChannel > EPSILON) {
+                    brightnessEnabled = true;
+                }
+                if (brightnessEnabled) {
+                    brightness = brightnessChannel;
+                }
             }
+            
+            point = { x, y, brightness };
         }
 
-        OsciPoint point = { x, y, brightness };
-
         for (auto& effect : effects) {
             point = effect->apply(sample, point);
         }
 
         threadManager.write(point);
+        
+        if (output.getNumChannels() > 0) {
+            outputArray[0][sample] = point.x;
+        }
+        if (output.getNumChannels() > 1) {
+            outputArray[1][sample] = point.y;
+        }
+        if (output.getNumChannels() > 2) {
+            outputArray[2][sample] = point.z;
+        }
 	}
 }
 
@@ -143,6 +165,19 @@ void SosciAudioProcessor::setStateInformation(const void* data, int sizeInBytes)
     }
 }
 
+void SosciAudioProcessor::loadAudioFile(const juce::File& file) {
+    auto stream = std::make_unique<juce::FileInputStream>(file);
+    if (stream->openedOk()) {
+        juce::CriticalSection::ScopedLockType lock(wavParserLock);
+        wavParser = std::make_unique<WavParser>(*this, std::move(stream));
+    }
+}
+
+void SosciAudioProcessor::stopAudioFile() {
+    juce::CriticalSection::ScopedLockType lock(wavParserLock);
+    wavParser = nullptr;
+}
+
 juce::AudioProcessorEditor* SosciAudioProcessor::createEditor() {
     auto editor = new SosciPluginEditor(*this);
     return editor;

Source/SosciPluginProcessor.h

@@ -15,6 +15,7 @@
 #include "audio/SampleRateManager.h"
 #include "visualiser/VisualiserSettings.h"
 #include "audio/Effect.h"
+#include "wav/WavParser.h"
 
 //==============================================================================
 /**
@@ -29,9 +30,16 @@ public:
 
     void getStateInformation(juce::MemoryBlock& destData) override;
     void setStateInformation(const void* data, int sizeInBytes) override;
+    
+    void loadAudioFile(const juce::File& file);
+    void stopAudioFile();
 
     juce::AudioProcessorEditor* createEditor() override;
 
+private:
+    juce::CriticalSection wavParserLock;
+    std::unique_ptr<WavParser> wavParser;
+
     //==============================================================================
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SosciAudioProcessor)
 };

Source/components/SosciMainMenuBarModel.cpp

@@ -36,9 +36,22 @@ SosciMainMenuBarModel::SosciMainMenuBarModel(SosciPluginEditor& e, SosciAudioPro
         return false;
     };
 
-    addMenuItem(0, "Open", [&]() { editor.openProject(); });
-    addMenuItem(0, "Save", [&]() { editor.saveProject(); });
-    addMenuItem(0, "Save As", [&]() { editor.saveProjectAs(); });
+    addMenuItem(0, "Open Audio File", [&]() {
+        fileChooser = std::make_unique<juce::FileChooser>("Open Audio File", processor.lastOpenedDirectory, "*.wav;*.aiff");
+        auto flags = juce::FileBrowserComponent::openMode | juce::FileBrowserComponent::canSelectFiles;
+        fileChooser->launchAsync(flags, [&](const juce::FileChooser& chooser) {
+            auto file = chooser.getResult();
+            if (file != juce::File()) {
+                processor.loadAudioFile(file);
+            }
+        });
+    });
+    addMenuItem(0, "Stop Audio File", [&]() {
+        processor.stopAudioFile();
+    });
+    addMenuItem(0, "Open Project", [&]() { editor.openProject(); });
+    addMenuItem(0, "Save Project", [&]() { editor.saveProject(); });
+    addMenuItem(0, "Save Project As", [&]() { editor.saveProjectAs(); });
     if (editor.processor.wrapperType == juce::AudioProcessor::WrapperType::wrapperType_Standalone) {
         addMenuItem(0, "Create New Project", [&]() { editor.resetToDefault(); });
     }

Source/components/SosciMainMenuBarModel.h

@@ -13,5 +13,7 @@ public:
     SosciPluginEditor& editor;
     SosciAudioProcessor& processor;
     
+    std::unique_ptr<juce::FileChooser> fileChooser;
+    
     const int SUBMENU_ID = 100;
 };

Source/parser/FileParser.cpp

@@ -2,6 +2,7 @@
 #include "../shape/Line.h"
 #include "../shape/CircleArc.h"
 #include <numbers>
+#include "../PluginProcessor.h"
 
 FileParser::FileParser(OscirenderAudioProcessor &p, std::function<void(int, juce::String, juce::String)> errorCallback) : errorCallback(errorCallback), audioProcessor(p) {}
 

Source/wav/WavParser.cpp

@@ -1,8 +1,8 @@
 #include "WavParser.h"
-#include "../PluginProcessor.h"
+#include "../CommonPluginProcessor.h"
 
 
-WavParser::WavParser(OscirenderAudioProcessor& p, std::unique_ptr<juce::InputStream> stream) : audioProcessor(p) {
+WavParser::WavParser(CommonAudioProcessor& p, std::unique_ptr<juce::InputStream> stream) : audioProcessor(p) {
     juce::AudioFormatManager formatManager;
     formatManager.registerBasicFormats();
     juce::AudioFormatReader* reader = formatManager.createReaderFor(std::move(stream));

Source/wav/WavParser.h

@@ -2,10 +2,10 @@
 #include "../shape/OsciPoint.h"
 #include <JuceHeader.h>
 
-class OscirenderAudioProcessor;
+class CommonAudioProcessor;
 class WavParser {
 public:
-	WavParser(OscirenderAudioProcessor& p, std::unique_ptr<juce::InputStream> stream);
+    WavParser(CommonAudioProcessor& p, std::unique_ptr<juce::InputStream> stream);
 	~WavParser();
 
 	OsciPoint getSample();
@@ -18,5 +18,5 @@ private:
     int currentSample = 0;
 	int fileSampleRate;
 	int currentSampleRate;
-	OscirenderAudioProcessor& audioProcessor;
+    CommonAudioProcessor& audioProcessor;
 };

sosci.jucer

@@ -63,6 +63,10 @@
       </GROUP>
     </GROUP>
     <GROUP id="{75439074-E50C-362F-1EDF-8B4BE9011259}" name="Source">
+      <GROUP id="{C63A0AA5-8550-16AC-EE89-C05416216534}" name="wav">
+        <FILE id="jxAiTf" name="WavParser.cpp" compile="1" resource="0" file="Source/wav/WavParser.cpp"/>
+        <FILE id="Q6iTsL" name="WavParser.h" compile="0" resource="0" file="Source/wav/WavParser.h"/>
+      </GROUP>
       <FILE id="qJ122J" name="CommonPluginEditor.cpp" compile="1" resource="0"
             file="Source/CommonPluginEditor.cpp"/>
       <FILE id="ANZRtQ" name="CommonPluginEditor.h" compile="0" resource="0"