day 1 source code

Demo-Plugin/Demo-Plugin.jucer

+<?xml version="1.0" encoding="UTF-8"?>
+
+<JUCERPROJECT id="eDjYSP" name="Demo-Plugin" projectType="audioplug" useAppConfig="0"
+              addUsingNamespaceToJuceHeader="1" displaySplashScreen="1" jucerFormatVersion="1"
+              version="0.1" companyName="ZHdK-Plugin-Kurs" pluginChannelConfigs="{1,4}">
+  <MAINGROUP id="RDeQpu" name="Demo-Plugin">
+    <GROUP id="{198DF08A-A841-9364-CFB2-DEBA3E565C4F}" name="Source">
+      <FILE id="BNDEYk" name="PluginProcessor.cpp" compile="1" resource="0"
+            file="Source/PluginProcessor.cpp"/>
+      <FILE id="WKYcaQ" name="PluginProcessor.h" compile="0" resource="0"
+            file="Source/PluginProcessor.h"/>
+      <FILE id="McI44w" name="PluginEditor.cpp" compile="1" resource="0"
+            file="Source/PluginEditor.cpp"/>
+      <FILE id="BTSL6Y" name="PluginEditor.h" compile="0" resource="0" file="Source/PluginEditor.h"/>
+    </GROUP>
+  </MAINGROUP>
+  <JUCEOPTIONS JUCE_STRICT_REFCOUNTEDPOINTER="1" JUCE_VST3_CAN_REPLACE_VST2="0"/>
+  <EXPORTFORMATS>
+    <VS2019 targetFolder="Builds/VisualStudio2019">
+      <CONFIGURATIONS>
+        <CONFIGURATION isDebug="1" name="Debug" targetName="Demo-Plugin"/>
+        <CONFIGURATION isDebug="0" name="Release" targetName="Demo-Plugin"/>
+      </CONFIGURATIONS>
+      <MODULEPATHS>
+        <MODULEPATH id="juce_audio_basics" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_devices" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_formats" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_plugin_client" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_processors" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_utils" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_core" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_data_structures" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_events" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_graphics" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_gui_basics" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_gui_extra" path="../../../JUCE/modules"/>
+      </MODULEPATHS>
+    </VS2019>
+    <XCODE_MAC targetFolder="Builds/MacOSX">
+      <CONFIGURATIONS>
+        <CONFIGURATION isDebug="1" name="Debug" targetName="Demo-Plugin"/>
+        <CONFIGURATION isDebug="0" name="Release" targetName="Demo-Plugin"/>
+      </CONFIGURATIONS>
+      <MODULEPATHS>
+        <MODULEPATH id="juce_audio_basics" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_devices" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_formats" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_plugin_client" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_processors" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_audio_utils" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_core" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_data_structures" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_events" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_graphics" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_gui_basics" path="../../../JUCE/modules"/>
+        <MODULEPATH id="juce_gui_extra" path="../../../JUCE/modules"/>
+      </MODULEPATHS>
+    </XCODE_MAC>
+  </EXPORTFORMATS>
+  <MODULES>
+    <MODULE id="juce_audio_basics" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_audio_devices" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_audio_formats" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_audio_plugin_client" showAllCode="1" useLocalCopy="0"
+            useGlobalPath="1"/>
+    <MODULE id="juce_audio_processors" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_audio_utils" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_core" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_data_structures" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_events" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_graphics" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_gui_basics" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+    <MODULE id="juce_gui_extra" showAllCode="1" useLocalCopy="0" useGlobalPath="1"/>
+  </MODULES>
+  <LIVE_SETTINGS>
+    <OSX/>
+  </LIVE_SETTINGS>
+</JUCERPROJECT>

Demo-Plugin/Source/PluginEditor.cpp

+/*
+  ==============================================================================
+
+    This file contains the basic framework code for a JUCE plugin editor.
+
+  ==============================================================================
+*/
+
+#include "PluginProcessor.h"
+#include "PluginEditor.h"
+
+//==============================================================================
+DemoPluginAudioProcessorEditor::DemoPluginAudioProcessorEditor (DemoPluginAudioProcessor& p)
+    : AudioProcessorEditor (&p), audioProcessor (p)
+{
+    // Make sure that before the constructor has finished, you've set the
+    // editor's size to whatever you need it to be.
+    setSize (400, 300);
+}
+
+DemoPluginAudioProcessorEditor::~DemoPluginAudioProcessorEditor()
+{
+}
+
+//==============================================================================
+void DemoPluginAudioProcessorEditor::paint (juce::Graphics& g)
+{
+    // (Our component is opaque, so we must completely fill the background with a solid colour)
+    g.fillAll (getLookAndFeel().findColour (juce::ResizableWindow::backgroundColourId));
+
+    g.setColour (juce::Colours::white);
+    g.setFont (15.0f);
+    g.drawFittedText ("Hello World!", getLocalBounds(), juce::Justification::centred, 1);
+}
+
+void DemoPluginAudioProcessorEditor::resized()
+{
+    // This is generally where you'll want to lay out the positions of any
+    // subcomponents in your editor..
+}

Demo-Plugin/Source/PluginEditor.h

+/*
+  ==============================================================================
+
+    This file contains the basic framework code for a JUCE plugin editor.
+
+  ==============================================================================
+*/
+
+#pragma once
+
+#include <JuceHeader.h>
+#include "PluginProcessor.h"
+
+//==============================================================================
+/**
+*/
+class DemoPluginAudioProcessorEditor  : public juce::AudioProcessorEditor
+{
+public:
+    DemoPluginAudioProcessorEditor (DemoPluginAudioProcessor&);
+    ~DemoPluginAudioProcessorEditor() override;
+
+    //==============================================================================
+    void paint (juce::Graphics&) override;
+    void resized() override;
+
+private:
+    // This reference is provided as a quick way for your editor to
+    // access the processor object that created it.
+    DemoPluginAudioProcessor& audioProcessor;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DemoPluginAudioProcessorEditor)
+};

Demo-Plugin/Source/PluginProcessor.cpp

+/*
+  ==============================================================================
+
+    This file contains the basic framework code for a JUCE plugin processor.
+
+  ==============================================================================
+*/
+
+#include "PluginProcessor.h"
+#include "PluginEditor.h"
+
+//==============================================================================
+DemoPluginAudioProcessor::DemoPluginAudioProcessor()
+#ifndef JucePlugin_PreferredChannelConfigurations
+     : AudioProcessor (BusesProperties()
+                     #if ! JucePlugin_IsMidiEffect
+                      #if ! JucePlugin_IsSynth
+                       .withInput  ("Input",  juce::AudioChannelSet::stereo(), true)
+                      #endif
+                       .withOutput ("Output", juce::AudioChannelSet::stereo(), true)
+                     #endif
+                       )
+#endif
+{
+}
+
+DemoPluginAudioProcessor::~DemoPluginAudioProcessor()
+{
+}
+
+//==============================================================================
+const juce::String DemoPluginAudioProcessor::getName() const
+{
+    return JucePlugin_Name;
+}
+
+bool DemoPluginAudioProcessor::acceptsMidi() const
+{
+   #if JucePlugin_WantsMidiInput
+    return true;
+   #else
+    return false;
+   #endif
+}
+
+bool DemoPluginAudioProcessor::producesMidi() const
+{
+   #if JucePlugin_ProducesMidiOutput
+    return true;
+   #else
+    return false;
+   #endif
+}
+
+bool DemoPluginAudioProcessor::isMidiEffect() const
+{
+   #if JucePlugin_IsMidiEffect
+    return true;
+   #else
+    return false;
+   #endif
+}
+
+double DemoPluginAudioProcessor::getTailLengthSeconds() const
+{
+    return 0.0;
+}
+
+int DemoPluginAudioProcessor::getNumPrograms()
+{
+    return 1;   // NB: some hosts don't cope very well if you tell them there are 0 programs,
+                // so this should be at least 1, even if you're not really implementing programs.
+}
+
+int DemoPluginAudioProcessor::getCurrentProgram()
+{
+    return 0;
+}
+
+void DemoPluginAudioProcessor::setCurrentProgram (int index)
+{
+}
+
+const juce::String DemoPluginAudioProcessor::getProgramName (int index)
+{
+    return {};
+}
+
+void DemoPluginAudioProcessor::changeProgramName (int index, const juce::String& newName)
+{
+}
+
+//==============================================================================
+void DemoPluginAudioProcessor::prepareToPlay (double sampleRate, int samplesPerBlock)
+{
+    // Use this method as the place to do any pre-playback
+    // initialisation that you need..
+}
+
+void DemoPluginAudioProcessor::releaseResources()
+{
+    // When playback stops, you can use this as an opportunity to free up any
+    // spare memory, etc.
+}
+
+#ifndef JucePlugin_PreferredChannelConfigurations
+bool DemoPluginAudioProcessor::isBusesLayoutSupported (const BusesLayout& layouts) const
+{
+  #if JucePlugin_IsMidiEffect
+    juce::ignoreUnused (layouts);
+    return true;
+  #else
+    // This is the place where you check if the layout is supported.
+    // In this template code we only support mono or stereo.
+    // Some plugin hosts, such as certain GarageBand versions, will only
+    // load plugins that support stereo bus layouts.
+    if (layouts.getMainOutputChannelSet() != juce::AudioChannelSet::mono()
+     && layouts.getMainOutputChannelSet() != juce::AudioChannelSet::stereo())
+        return false;
+
+    // This checks if the input layout matches the output layout
+   #if ! JucePlugin_IsSynth
+    if (layouts.getMainOutputChannelSet() != layouts.getMainInputChannelSet())
+        return false;
+   #endif
+
+    return true;
+  #endif
+}
+#endif
+
+void DemoPluginAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages)
+{
+    juce::ScopedNoDenormals noDenormals;
+    auto totalNumInputChannels  = getTotalNumInputChannels();
+    auto totalNumOutputChannels = getTotalNumOutputChannels();
+
+    // In case we have more outputs than inputs, this code clears any output
+    // channels that didn't contain input data, (because these aren't
+    // guaranteed to be empty - they may contain garbage).
+    // This is here to avoid people getting screaming feedback
+    // when they first compile a plugin, but obviously you don't need to keep
+    // this code if your algorithm always overwrites all the output channels.
+    for (auto i = totalNumInputChannels; i < totalNumOutputChannels; ++i)
+        buffer.clear (i, 0, buffer.getNumSamples());
+
+    // This is the place where you'd normally do the guts of your plugin's
+    // audio processing...
+    // Make sure to reset the state if your inner loop is processing
+    // the samples and the outer loop is handling the channels.
+    // Alternatively, you can process the samples with the channels
+    // interleaved by keeping the same state.
+    for (int channel = 0; channel < totalNumInputChannels; ++channel)
+    {
+        auto* channelData = buffer.getWritePointer (channel);
+
+        // ..do something to the data...
+    }
+}
+
+//==============================================================================
+bool DemoPluginAudioProcessor::hasEditor() const
+{
+    return true; // (change this to false if you choose to not supply an editor)
+}
+
+juce::AudioProcessorEditor* DemoPluginAudioProcessor::createEditor()
+{
+    return new DemoPluginAudioProcessorEditor (*this);
+}
+
+//==============================================================================
+void DemoPluginAudioProcessor::getStateInformation (juce::MemoryBlock& destData)
+{
+    // You should use this method to store your parameters in the memory block.
+    // You could do that either as raw data, or use the XML or ValueTree classes
+    // as intermediaries to make it easy to save and load complex data.
+}
+
+void DemoPluginAudioProcessor::setStateInformation (const void* data, int sizeInBytes)
+{
+    // You should use this method to restore your parameters from this memory block,
+    // whose contents will have been created by the getStateInformation() call.
+}
+
+//==============================================================================
+// This creates new instances of the plugin..
+juce::AudioProcessor* JUCE_CALLTYPE createPluginFilter()
+{
+    return new DemoPluginAudioProcessor();
+}

Demo-Plugin/Source/PluginProcessor.h

+/*
+  ==============================================================================
+
+    This file contains the basic framework code for a JUCE plugin processor.
+
+  ==============================================================================
+*/
+
+#pragma once
+
+#include <JuceHeader.h>
+
+//==============================================================================
+/**
+*/
+class DemoPluginAudioProcessor  : public juce::AudioProcessor
+{
+public:
+    //==============================================================================
+    DemoPluginAudioProcessor();
+    ~DemoPluginAudioProcessor() override;
+
+    //==============================================================================
+    void prepareToPlay (double sampleRate, int samplesPerBlock) override;
+    void releaseResources() override;
+
+   #ifndef JucePlugin_PreferredChannelConfigurations
+    bool isBusesLayoutSupported (const BusesLayout& layouts) const override;
+   #endif
+
+    void processBlock (juce::AudioBuffer<float>&, juce::MidiBuffer&) override;
+
+    //==============================================================================
+    juce::AudioProcessorEditor* createEditor() override;
+    bool hasEditor() const override;
+
+    //==============================================================================
+    const juce::String getName() const override;
+
+    bool acceptsMidi() const override;
+    bool producesMidi() const override;
+    bool isMidiEffect() const override;
+    double getTailLengthSeconds() const override;
+
+    //==============================================================================
+    int getNumPrograms() override;
+    int getCurrentProgram() override;
+    void setCurrentProgram (int index) override;
+    const juce::String getProgramName (int index) override;
+    void changeProgramName (int index, const juce::String& newName) override;
+
+    //==============================================================================
+    void getStateInformation (juce::MemoryBlock& destData) override;
+    void setStateInformation (const void* data, int sizeInBytes) override;
+
+private:
+    //==============================================================================
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DemoPluginAudioProcessor)
+};