mirror of
https://github.com/juce-framework/JUCE.git
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131 lines
4.9 KiB
C++
131 lines
4.9 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#include "../JuceDemoHeader.h"
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//==============================================================================
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class AudioSettingsDemo : public Component,
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public ChangeListener
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{
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public:
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AudioSettingsDemo()
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{
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setOpaque (true);
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addAndMakeVisible (audioSetupComp
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= new AudioDeviceSelectorComponent (MainAppWindow::getSharedAudioDeviceManager(),
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0, 256, 0, 256, true, true, true, false));
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addAndMakeVisible (diagnosticsBox);
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diagnosticsBox.setMultiLine (true);
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diagnosticsBox.setReturnKeyStartsNewLine (true);
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diagnosticsBox.setReadOnly (true);
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diagnosticsBox.setScrollbarsShown (true);
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diagnosticsBox.setCaretVisible (false);
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diagnosticsBox.setPopupMenuEnabled (true);
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diagnosticsBox.setColour (TextEditor::backgroundColourId, Colour (0x32ffffff));
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diagnosticsBox.setColour (TextEditor::outlineColourId, Colour (0x1c000000));
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diagnosticsBox.setColour (TextEditor::shadowColourId, Colour (0x16000000));
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MainAppWindow::getSharedAudioDeviceManager().addChangeListener (this);
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logMessage ("Audio device diagnostics:\n");
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dumpDeviceInfo();
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}
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~AudioSettingsDemo()
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{
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MainAppWindow::getSharedAudioDeviceManager().removeChangeListener (this);
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}
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void paint (Graphics& g) override
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{
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fillTiledBackground (g);
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}
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void resized() override
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{
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Rectangle<int> r (getLocalBounds().reduced (4));
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audioSetupComp->setBounds (r.removeFromTop (proportionOfHeight (0.65f)));
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diagnosticsBox.setBounds (r);
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}
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void dumpDeviceInfo()
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{
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AudioDeviceManager& dm = MainAppWindow::getSharedAudioDeviceManager();
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logMessage ("--------------------------------------");
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logMessage ("Current audio device type: " + (dm.getCurrentDeviceTypeObject() != nullptr
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? dm.getCurrentDeviceTypeObject()->getTypeName()
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: "<none>"));
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if (AudioIODevice* device = dm.getCurrentAudioDevice())
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{
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logMessage ("Current audio device: " + device->getName().quoted());
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logMessage ("Sample rate: " + String (device->getCurrentSampleRate()) + " Hz");
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logMessage ("Block size: " + String (device->getCurrentBufferSizeSamples()) + " samples");
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logMessage ("Bit depth: " + String (device->getCurrentBitDepth()));
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logMessage ("Input channel names: " + device->getInputChannelNames().joinIntoString (", "));
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logMessage ("Active input channels: " + getListOfActiveBits (device->getActiveInputChannels()));
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logMessage ("Output channel names: " + device->getOutputChannelNames().joinIntoString (", "));
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logMessage ("Active output channels: " + getListOfActiveBits (device->getActiveOutputChannels()));
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}
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else
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{
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logMessage ("No audio device open");
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}
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}
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void logMessage (const String& m)
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{
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diagnosticsBox.moveCaretToEnd();
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diagnosticsBox.insertTextAtCaret (m + newLine);
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}
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private:
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ScopedPointer<AudioDeviceSelectorComponent> audioSetupComp;
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TextEditor diagnosticsBox;
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void changeListenerCallback (ChangeBroadcaster*) override
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{
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dumpDeviceInfo();
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}
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static String getListOfActiveBits (const BitArray& b)
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{
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StringArray bits;
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for (int i = 0; i <= b.getHighestBit(); ++i)
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if (b[i])
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bits.add (String (i));
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return bits.joinIntoString (", ");
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}
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioSettingsDemo);
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};
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// This static object will register this demo type in a global list of demos..
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static JuceDemoType<AudioSettingsDemo> demo ("30 Audio: Settings");
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