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/ConvolutionDemo.h

@@ -0,0 +1,203 @@
+/*
+  ==============================================================================
+
+   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:             ConvolutionDemo
+ version:          1.0.0
+ vendor:           JUCE
+ website:          http://juce.com
+ description:      Convolution 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:        ConvolutionDemo
+
+ useLocalCopy:     1
+
+ END_JUCE_PIP_METADATA
+
+*******************************************************************************/
+
+#pragma once
+
+#include "../Assets/DemoUtilities.h"
+#include "../Assets/DSPDemos_Common.h"
+
+using namespace dsp;
+
+//==============================================================================
+struct ConvolutionDemoDSP
+{
+    void prepare (const ProcessSpec& spec)
+    {
+        sampleRate = spec.sampleRate;
+        convolution.prepare (spec);
+        updateParameters();
+    }
+
+    void process (ProcessContextReplacing<float> context)
+    {
+        context.isBypassed = bypass;
+
+        // Load a new IR if there's one available. Note that this doesn't lock or allocate!
+        bufferTransfer.get ([this] (BufferWithSampleRate& buf)
+        {
+            convolution.loadImpulseResponse (std::move (buf.buffer),
+                                             buf.sampleRate,
+                                             Convolution::Stereo::yes,
+                                             Convolution::Trim::yes,
+                                             Convolution::Normalise::yes);
+        });
+
+        convolution.process (context);
+    }
+
+    void reset()
+    {
+        convolution.reset();
+    }
+
+    void updateParameters()
+    {
+        auto* cabinetTypeParameter = dynamic_cast<ChoiceParameter*> (parameters[0]);
+
+        if (cabinetTypeParameter == nullptr)
+        {
+            jassertfalse;
+            return;
+        }
+
+        if (cabinetTypeParameter->getCurrentSelectedID() == 1)
+        {
+            bypass = true;
+        }
+        else
+        {
+            bypass = false;
+
+            auto selectedType = cabinetTypeParameter->getCurrentSelectedID();
+            auto assetName = (selectedType == 2 ? "guitar_amp.wav" : "cassette_recorder.wav");
+
+            auto assetInputStream = createAssetInputStream (assetName);
+
+            if (assetInputStream == nullptr)
+            {
+                jassertfalse;
+                return;
+            }
+
+            AudioFormatManager manager;
+            manager.registerBasicFormats();
+            std::unique_ptr<AudioFormatReader> reader { manager.createReaderFor (std::move (assetInputStream)) };
+
+            if (reader == nullptr)
+            {
+                jassertfalse;
+                return;
+            }
+
+            AudioBuffer<float> buffer (static_cast<int> (reader->numChannels),
+                                       static_cast<int> (reader->lengthInSamples));
+            reader->read (buffer.getArrayOfWritePointers(), buffer.getNumChannels(), 0, buffer.getNumSamples());
+
+            bufferTransfer.set (BufferWithSampleRate { std::move (buffer), reader->sampleRate });
+        }
+    }
+
+    //==============================================================================
+    struct BufferWithSampleRate
+    {
+        BufferWithSampleRate() = default;
+
+        BufferWithSampleRate (AudioBuffer<float>&& bufferIn, double sampleRateIn)
+            : buffer (std::move (bufferIn)), sampleRate (sampleRateIn) {}
+
+        AudioBuffer<float> buffer;
+        double sampleRate = 0.0;
+    };
+
+    class BufferTransfer
+    {
+    public:
+        void set (BufferWithSampleRate&& p)
+        {
+            const SpinLock::ScopedLockType lock (mutex);
+            buffer = std::move (p);
+            newBuffer = true;
+        }
+
+        // Call `fn` passing the new buffer, if there's one available
+        template <typename Fn>
+        void get (Fn&& fn)
+        {
+            const SpinLock::ScopedTryLockType lock (mutex);
+
+            if (lock.isLocked() && newBuffer)
+            {
+                fn (buffer);
+                newBuffer = false;
+            }
+        }
+
+    private:
+        BufferWithSampleRate buffer;
+        bool newBuffer = false;
+        SpinLock mutex;
+    };
+
+    double sampleRate = 0.0;
+    bool bypass = false;
+
+    MemoryBlock currentCabinetData;
+    Convolution convolution;
+
+    BufferTransfer bufferTransfer;
+
+    ChoiceParameter cabinetParam { { "Bypass", "Guitar amplifier 8''", "Cassette recorder" }, 1, "Cabinet Type" };
+
+    std::vector<DSPDemoParameterBase*> parameters { &cabinetParam };
+};
+
+struct ConvolutionDemo    : public Component
+{
+    ConvolutionDemo()
+    {
+        addAndMakeVisible (fileReaderComponent);
+        setSize (750, 500);
+    }
+
+    void resized() override
+    {
+        fileReaderComponent.setBounds (getLocalBounds());
+    }
+
+    AudioFileReaderComponent<ConvolutionDemoDSP> fileReaderComponent;
+};