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https://codeberg.org/armin/justasample.git
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114 lines
No EOL
3.9 KiB
C++
114 lines
No EOL
3.9 KiB
C++
/*
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==============================================================================
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InputDeviceSelector.h
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Created: 18 Aug 2024 8:20:19pm
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Author: binya
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==============================================================================
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*/
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#pragma once
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#include <JuceHeader.h>
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#include "../Utilities/ComponentUtils.h"
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/** A simple meter that displays the input level of the active audio device. */
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struct DeviceLevelMeter final : CustomComponent, juce::Timer
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{
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explicit DeviceLevelMeter(juce::AudioDeviceManager& m) : manager(m)
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{
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startTimerHz(20);
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inputLevelGetter = manager.getInputLevelGetter();
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}
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void timerCallback() override
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{
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if (!isVisible())
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return;
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auto newLevel = float(inputLevelGetter->getCurrentLevel());
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if (std::abs(level - newLevel) > 0.005f)
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level = newLevel;
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auto* device = manager.getCurrentAudioDevice();
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if (!device || !manager.getAudioDeviceSetup().inputChannels.countNumberOfSetBits())
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level = 0;
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repaint();
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}
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void paint(juce::Graphics& g) override
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{
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// Add a bit of skew
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getLookAndFeel().drawLevelMeter(g, getWidth(), getHeight(), float(std::exp(std::log(level) / 3.0)));
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}
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juce::AudioDeviceManager& manager;
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juce::AudioDeviceManager::LevelMeter::Ptr inputLevelGetter;
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float level = 0;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DeviceLevelMeter)
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};
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/** A simple component that allows the user to select the input channels of the active audio device. */
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class ChannelSelectorListBox final : public juce::ListBox, juce::ListBoxModel, public juce::ChangeListener
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{
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public:
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ChannelSelectorListBox(juce::AudioDeviceManager& audioDeviceManager, int minNumInputChannels, int maxNumInputChannels, bool useStereoPairs);
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~ChannelSelectorListBox() override;
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void changeListenerCallback(juce::ChangeBroadcaster*) override;
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int getNumRows() override;
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void listBoxItemClicked(int row, const juce::MouseEvent& e) override;
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void paintListBoxItem(int row, juce::Graphics& g, int width, int height, bool) override;
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private:
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void flipEnablement(int row) const;
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void setBit(juce::BigInteger& ch, int index, bool set) const;
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juce::String getNameForChannelPair(const juce::String& name1, const juce::String& name2) const;
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//==============================================================================
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juce::AudioDeviceManager& manager;
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int minInputChannels, maxInputChannels;
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bool useStereoPairs;
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juce::AudioIODevice* device{ nullptr };
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juce::StringArray channels;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ChannelSelectorListBox)
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};
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/** A cleaner version of JUCE's AudioDeviceSelectorComponent */
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class InputDeviceSelector final : public CustomComponent, public juce::ChangeListener
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{
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public:
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InputDeviceSelector(juce::AudioDeviceManager& deviceManager, int minInputChannelsToUse, int maxInputChannelsToUse, bool showChannelsAsStereoPairs);
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~InputDeviceSelector() override;
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private:
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void paint(juce::Graphics& g) override;
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void resized() override;
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void lookAndFeelChanged() override;
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/** Update the choosers once the device updates */
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void changeListenerCallback(juce::ChangeBroadcaster* source) override;
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/** Update the device manager when a user selects something */
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void settingsChanged();
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void updateEnablement();
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//==============================================================================
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juce::AudioDeviceManager& manager;
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juce::AudioIODevice* inputDevice{ nullptr };
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juce::Label titleLabel, warningLabel, settingsLabel, deviceTypeLabel, deviceLabel, channelsLabel, sampleRateLabel, bufferSizeLabel;
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juce::ComboBox deviceTypeChooser, deviceChooser, sampleRateChooser, bufferSizeChooser;
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DeviceLevelMeter levelMeter;
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ChannelSelectorListBox channelSelector;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(InputDeviceSelector)
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}; |