git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

deps/juce/examples/DSP/OscillatorDemo.h

@@ -0,0 +1,151 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE examples.
+   Copyright (c) 2020 - Raw Material Software Limited
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
+   WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
+   PURPOSE, ARE DISCLAIMED.
+
+  ==============================================================================
+*/
+
+/*******************************************************************************
+ The block below describes the properties of this PIP. A PIP is a short snippet
+ of code that can be read by the Projucer and used to generate a JUCE project.
+
+ BEGIN_JUCE_PIP_METADATA
+
+ name:             OscillatorDemo
+ version:          1.0.0
+ vendor:           JUCE
+ website:          http://juce.com
+ description:      Oscillator demo using the DSP module.
+
+ dependencies:     juce_audio_basics, juce_audio_devices, juce_audio_formats,
+                   juce_audio_processors, juce_audio_utils, juce_core,
+                   juce_data_structures, juce_dsp, juce_events, juce_graphics,
+                   juce_gui_basics, juce_gui_extra
+ exporters:        xcode_mac, vs2019, linux_make
+
+ moduleFlags:      JUCE_STRICT_REFCOUNTEDPOINTER=1
+
+ type:             Component
+ mainClass:        OscillatorDemo
+
+ useLocalCopy:     1
+
+ END_JUCE_PIP_METADATA
+
+*******************************************************************************/
+
+#pragma once
+
+#include "../Assets/DemoUtilities.h"
+#include "../Assets/DSPDemos_Common.h"
+
+using namespace dsp;
+
+//==============================================================================
+struct OscillatorDemoDSP
+{
+    void prepare (const ProcessSpec& spec)
+    {
+        gain.setGainDecibels (-6.0f);
+
+        for (auto&& oscillator : oscillators)
+        {
+            oscillator.setFrequency (440.f);
+            oscillator.prepare (spec);
+        }
+
+        updateParameters();
+
+        tempBuffer = AudioBlock<float> (tempBufferMemory, spec.numChannels, spec.maximumBlockSize);
+    }
+
+    void process (const ProcessContextReplacing<float>& context)
+    {
+        tempBuffer.copyFrom (context.getInputBlock());
+        tempBuffer.multiplyBy (static_cast<float> (fileMix));
+
+        oscillators[currentOscillatorIdx].process (context);
+        context.getOutputBlock().multiplyBy (static_cast<float> (1.0 - fileMix));
+
+        context.getOutputBlock().add (tempBuffer);
+
+        gain.process (context);
+    }
+
+    void reset()
+    {
+        oscillators[currentOscillatorIdx].reset();
+    }
+
+    void updateParameters()
+    {
+        currentOscillatorIdx = jmin (numElementsInArray (oscillators),
+                                     3 * (accuracy.getCurrentSelectedID() - 1) + (typeParam.getCurrentSelectedID() - 1));
+
+        auto freq = static_cast<float> (freqParam.getCurrentValue());
+
+        for (auto&& oscillator : oscillators)
+            oscillator.setFrequency (freq);
+
+        gain.setGainDecibels (static_cast<float> (gainParam.getCurrentValue()));
+
+        fileMix = mixParam.getCurrentValue();
+    }
+
+    //==============================================================================
+    Oscillator<float> oscillators[6] =
+    {
+        // No Approximation
+        {[] (float x) { return std::sin (x); }},                   // sine
+        {[] (float x) { return x / MathConstants<float>::pi; }},   // saw
+        {[] (float x) { return x < 0.0f ? -1.0f : 1.0f; }},        // square
+
+        // Approximated by a wave-table
+        {[] (float x) { return std::sin (x); }, 100},                 // sine
+        {[] (float x) { return x / MathConstants<float>::pi; }, 100}, // saw
+        {[] (float x) { return x < 0.0f ? -1.0f : 1.0f; }, 100}       // square
+    };
+
+    int currentOscillatorIdx = 0;
+    Gain<float> gain;
+
+    ChoiceParameter typeParam { {"sine", "saw", "square"}, 1, "Type" };
+    ChoiceParameter accuracy  { {"No Approximation", "Use Wavetable"}, 1, "Accuracy" };
+    SliderParameter freqParam { { 20.0, 24000.0 }, 0.4, 440.0, "Frequency", "Hz" };
+    SliderParameter gainParam { { -100.0, 20.0 }, 3.0, -20.0, "Gain", "dB" };
+    SliderParameter mixParam  { { 0.0, 1.0 }, 1.0, 0.0, "File mix" };
+
+    HeapBlock<char> tempBufferMemory;
+    AudioBlock<float> tempBuffer;
+    double fileMix;
+
+    std::vector<DSPDemoParameterBase*> parameters { &typeParam, &accuracy, &freqParam, &gainParam, &mixParam };
+};
+
+struct OscillatorDemo    : public Component
+{
+    OscillatorDemo()
+    {
+        addAndMakeVisible (fileReaderComponent);
+        setSize (750, 500);
+    }
+
+    void resized() override
+    {
+        fileReaderComponent.setBounds (getLocalBounds());
+    }
+
+    AudioFileReaderComponent<OscillatorDemoDSP> fileReaderComponent;
+};