build(deps): vendor JUCE 7.0.12
This commit is contained in:
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/*
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==============================================================================
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This file is part of the JUCE examples.
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Copyright (c) 2022 - Raw Material Software Limited
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
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WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
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PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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/*******************************************************************************
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The block below describes the properties of this PIP. A PIP is a short snippet
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of code that can be read by the Projucer and used to generate a JUCE project.
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BEGIN_JUCE_PIP_METADATA
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name: SurroundPlugin
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version: 1.0.0
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vendor: JUCE
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website: http://juce.com
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description: Surround audio plugin.
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dependencies: juce_audio_basics, juce_audio_devices, juce_audio_formats,
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juce_audio_plugin_client, juce_audio_processors,
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juce_audio_utils, juce_core, juce_data_structures,
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juce_events, juce_graphics, juce_gui_basics, juce_gui_extra
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exporters: xcode_mac, vs2022, linux_make
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moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
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type: AudioProcessor
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mainClass: SurroundProcessor
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useLocalCopy: 1
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END_JUCE_PIP_METADATA
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*******************************************************************************/
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#pragma once
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//==============================================================================
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class ProcessorWithLevels : public AudioProcessor,
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private AsyncUpdater,
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private Timer
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{
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public:
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ProcessorWithLevels()
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: AudioProcessor (BusesProperties().withInput ("Input", AudioChannelSet::stereo())
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.withInput ("Aux", AudioChannelSet::stereo(), false)
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.withOutput ("Output", AudioChannelSet::stereo())
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.withOutput ("Aux", AudioChannelSet::stereo(), false))
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{
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startTimerHz (60);
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applyBusLayouts (getBusesLayout());
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}
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~ProcessorWithLevels() override
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{
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stopTimer();
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cancelPendingUpdate();
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}
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void prepareToPlay (double, int) override
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{
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samplesToPlay = (int) getSampleRate();
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reset();
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}
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void processBlock (AudioBuffer<float>& audio, MidiBuffer&) override { processAudio (audio); }
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void processBlock (AudioBuffer<double>& audio, MidiBuffer&) override { processAudio (audio); }
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void releaseResources() override { reset(); }
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float getLevel (int bus, int channel) const
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{
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return readableLevels[(size_t) getChannelIndexInProcessBlockBuffer (true, bus, channel)];
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}
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bool isBusesLayoutSupported (const BusesLayout& layouts) const override
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{
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const auto isSetValid = [] (const AudioChannelSet& set)
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{
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return ! set.isDisabled()
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&& ! (set.isDiscreteLayout() && set.getChannelIndexForType (AudioChannelSet::discreteChannel0) == -1);
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};
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return isSetValid (layouts.getMainOutputChannelSet())
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&& isSetValid (layouts.getMainInputChannelSet());
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}
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void reset() override
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{
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channelClicked = 0;
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samplesPlayed = samplesToPlay;
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}
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bool applyBusLayouts (const BusesLayout& layouts) final
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{
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// Some very badly-behaved hosts will call this during processing!
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const SpinLock::ScopedLockType lock (levelMutex);
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const auto result = AudioProcessor::applyBusLayouts (layouts);
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size_t numInputChannels = 0;
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for (auto i = 0; i < getBusCount (true); ++i)
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numInputChannels += (size_t) getBus (true, i)->getLastEnabledLayout().size();
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incomingLevels = readableLevels = std::vector<float> (numInputChannels, 0.0f);
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triggerAsyncUpdate();
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return result;
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}
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//==============================================================================
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const String getName() const override { return "Surround PlugIn"; }
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bool acceptsMidi() const override { return false; }
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bool producesMidi() const override { return false; }
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double getTailLengthSeconds() const override { return 0; }
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//==============================================================================
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int getNumPrograms() override { return 1; }
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int getCurrentProgram() override { return 0; }
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void setCurrentProgram (int) override {}
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const String getProgramName (int) override { return "None"; }
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void changeProgramName (int, const String&) override {}
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//==============================================================================
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void getStateInformation (MemoryBlock&) override {}
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void setStateInformation (const void*, int) override {}
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void channelButtonClicked (int bus, int channelIndex)
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{
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channelClicked = getChannelIndexInProcessBlockBuffer (false, bus, channelIndex);
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samplesPlayed = 0;
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}
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std::function<void()> updateEditor;
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private:
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void handleAsyncUpdate() override
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{
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NullCheckedInvocation::invoke (updateEditor);
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}
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template <typename Float>
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void processAudio (AudioBuffer<Float>& audio)
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{
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{
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SpinLock::ScopedTryLockType lock (levelMutex);
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if (lock.isLocked())
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{
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const auto numInputChannels = (size_t) getTotalNumInputChannels();
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for (size_t i = 0; i < numInputChannels; ++i)
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{
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const auto minMax = audio.findMinMax ((int) i, 0, audio.getNumSamples());
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const auto newMax = (float) std::max (std::abs (minMax.getStart()), std::abs (minMax.getEnd()));
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auto& toUpdate = incomingLevels[i];
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toUpdate = jmax (toUpdate, newMax);
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}
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}
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}
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audio.clear (0, audio.getNumSamples());
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auto fillSamples = jmin (samplesToPlay - samplesPlayed, audio.getNumSamples());
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if (isPositiveAndBelow (channelClicked, audio.getNumChannels()))
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{
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auto* channelBuffer = audio.getWritePointer (channelClicked);
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auto freq = (float) (440.0 / getSampleRate());
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for (auto i = 0; i < fillSamples; ++i)
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channelBuffer[i] += std::sin (MathConstants<float>::twoPi * freq * (float) samplesPlayed++);
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}
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}
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void timerCallback() override
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{
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const SpinLock::ScopedLockType lock (levelMutex);
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for (size_t i = 0; i < readableLevels.size(); ++i)
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readableLevels[i] = std::max (readableLevels[i] * 0.95f, std::exchange (incomingLevels[i], 0.0f));
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}
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SpinLock levelMutex;
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std::vector<float> incomingLevels;
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std::vector<float> readableLevels;
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int channelClicked;
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int samplesPlayed;
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int samplesToPlay;
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};
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//==============================================================================
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const Colour textColour = Colours::white.withAlpha (0.8f);
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inline void drawBackground (Component& comp, Graphics& g)
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{
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g.setColour (comp.getLookAndFeel().findColour (ResizableWindow::backgroundColourId).darker (0.8f));
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g.fillRoundedRectangle (comp.getLocalBounds().toFloat(), 4.0f);
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}
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inline void configureLabel (Label& label, const AudioProcessor::Bus* layout)
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{
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const auto text = layout != nullptr
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? (layout->getName() + ": " + layout->getCurrentLayout().getDescription())
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: "";
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label.setText (text, dontSendNotification);
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label.setJustificationType (Justification::centred);
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label.setColour (Label::textColourId, textColour);
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}
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class InputBusViewer final : public Component,
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private Timer
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{
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public:
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InputBusViewer (ProcessorWithLevels& proc, int busNumber)
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: processor (proc),
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bus (busNumber)
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{
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configureLabel (layoutName, processor.getBus (true, bus));
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addAndMakeVisible (layoutName);
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startTimerHz (60);
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}
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~InputBusViewer() override
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{
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stopTimer();
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}
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void paint (Graphics& g) override
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{
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drawBackground (*this, g);
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auto* layout = processor.getBus (true, bus);
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if (layout == nullptr)
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return;
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const auto channelSet = layout->getCurrentLayout();
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const auto numChannels = channelSet.size();
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Grid grid;
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grid.autoFlow = Grid::AutoFlow::column;
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grid.autoColumns = grid.autoRows = Grid::TrackInfo (Grid::Fr (1));
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grid.items.insertMultiple (0, GridItem(), numChannels);
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grid.performLayout (getLocalBounds());
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const auto minDb = -50.0f;
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const auto maxDb = 6.0f;
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for (auto i = 0; i < numChannels; ++i)
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{
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g.setColour (Colours::orange.darker());
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const auto levelInDb = Decibels::gainToDecibels (processor.getLevel (bus, i), minDb);
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const auto fractionOfHeight = jmap (levelInDb, minDb, maxDb, 0.0f, 1.0f);
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const auto bounds = grid.items[i].currentBounds;
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const auto trackBounds = bounds.withSizeKeepingCentre (16, bounds.getHeight() - 10).toFloat();
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g.fillRect (trackBounds.withHeight (trackBounds.proportionOfHeight (fractionOfHeight)).withBottomY (trackBounds.getBottom()));
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g.setColour (textColour);
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g.drawText (channelSet.getAbbreviatedChannelTypeName (channelSet.getTypeOfChannel (i)),
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bounds,
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Justification::centredBottom);
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}
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}
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void resized() override
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{
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layoutName.setBounds (getLocalBounds().removeFromTop (20));
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}
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int getNumChannels() const
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{
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if (auto* b = processor.getBus (true, bus))
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return b->getCurrentLayout().size();
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return 0;
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}
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private:
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void timerCallback() override { repaint(); }
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ProcessorWithLevels& processor;
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int bus = 0;
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Label layoutName;
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};
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//==============================================================================
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class OutputBusViewer final : public Component
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{
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public:
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OutputBusViewer (ProcessorWithLevels& proc, int busNumber)
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: processor (proc),
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bus (busNumber)
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{
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auto* layout = processor.getBus (false, bus);
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configureLabel (layoutName, layout);
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addAndMakeVisible (layoutName);
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if (layout == nullptr)
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return;
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const auto& channelSet = layout->getCurrentLayout();
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const auto numChannels = channelSet.size();
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for (auto i = 0; i < numChannels; ++i)
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{
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const auto channelName = channelSet.getAbbreviatedChannelTypeName (channelSet.getTypeOfChannel (i));
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channelButtons.emplace_back (channelName, channelName);
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auto& newButton = channelButtons.back();
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newButton.onClick = [&p = processor, b = bus, i] { p.channelButtonClicked (b, i); };
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addAndMakeVisible (newButton);
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}
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resized();
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}
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void paint (Graphics& g) override
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{
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drawBackground (*this, g);
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}
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void resized() override
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{
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auto b = getLocalBounds();
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layoutName.setBounds (b.removeFromBottom (20));
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Grid grid;
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grid.autoFlow = Grid::AutoFlow::column;
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grid.autoColumns = grid.autoRows = Grid::TrackInfo (Grid::Fr (1));
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for (auto& channelButton : channelButtons)
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grid.items.add (GridItem (channelButton));
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grid.performLayout (b.reduced (2));
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}
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int getNumChannels() const
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{
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if (auto* b = processor.getBus (false, bus))
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return b->getCurrentLayout().size();
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return 0;
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}
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private:
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ProcessorWithLevels& processor;
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int bus = 0;
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Label layoutName;
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std::list<TextButton> channelButtons;
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};
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//==============================================================================
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class SurroundEditor final : public AudioProcessorEditor
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{
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public:
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explicit SurroundEditor (ProcessorWithLevels& parent)
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: AudioProcessorEditor (parent),
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customProcessor (parent),
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scopedUpdateEditor (customProcessor.updateEditor, [this] { updateGUI(); })
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{
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updateGUI();
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setResizable (true, true);
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}
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void resized() override
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{
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auto r = getLocalBounds();
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doLayout (inputViewers, r.removeFromTop (proportionOfHeight (0.5f)));
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doLayout (outputViewers, r);
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}
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void paint (Graphics& g) override
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{
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g.fillAll (getLookAndFeel().findColour (ResizableWindow::backgroundColourId));
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}
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private:
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template <typename Range>
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void doLayout (Range& range, Rectangle<int> bounds) const
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{
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FlexBox fb;
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for (auto& viewer : range)
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{
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if (viewer.getNumChannels() != 0)
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{
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fb.items.add (FlexItem (viewer)
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.withFlex ((float) viewer.getNumChannels())
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.withMargin (4.0f));
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}
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}
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fb.performLayout (bounds);
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}
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void updateGUI()
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{
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inputViewers.clear();
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outputViewers.clear();
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const auto inputBuses = getAudioProcessor()->getBusCount (true);
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for (auto i = 0; i < inputBuses; ++i)
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{
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inputViewers.emplace_back (customProcessor, i);
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addAndMakeVisible (inputViewers.back());
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}
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const auto outputBuses = getAudioProcessor()->getBusCount (false);
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for (auto i = 0; i < outputBuses; ++i)
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{
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outputViewers.emplace_back (customProcessor, i);
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addAndMakeVisible (outputViewers.back());
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}
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const auto channels = jmax (processor.getTotalNumInputChannels(),
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processor.getTotalNumOutputChannels());
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setSize (jmax (150, channels * 40), 200);
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resized();
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}
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ProcessorWithLevels& customProcessor;
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ScopedValueSetter<std::function<void()>> scopedUpdateEditor;
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std::list<InputBusViewer> inputViewers;
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std::list<OutputBusViewer> outputViewers;
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};
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//==============================================================================
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struct SurroundProcessor final : public ProcessorWithLevels
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{
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AudioProcessorEditor* createEditor() override { return new SurroundEditor (*this); }
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bool hasEditor() const override { return true; }
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};
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Reference in New Issue
Block a user