91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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AudioAppComponent::AudioAppComponent()
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: deviceManager (defaultDeviceManager),
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usingCustomDeviceManager (false)
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{
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}
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AudioAppComponent::AudioAppComponent (AudioDeviceManager& adm)
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: deviceManager (adm),
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usingCustomDeviceManager (true)
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{
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}
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AudioAppComponent::~AudioAppComponent()
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{
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// If you hit this then your derived class must call shutdown audio in
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// destructor!
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jassert (audioSourcePlayer.getCurrentSource() == nullptr);
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}
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void AudioAppComponent::setAudioChannels (int numInputChannels, int numOutputChannels, const XmlElement* const xml)
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{
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String audioError;
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if (usingCustomDeviceManager && xml == nullptr)
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{
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auto setup = deviceManager.getAudioDeviceSetup();
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if (setup.inputChannels.countNumberOfSetBits() != numInputChannels
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|| setup.outputChannels.countNumberOfSetBits() != numOutputChannels)
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{
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setup.inputChannels.clear();
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setup.outputChannels.clear();
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setup.inputChannels.setRange (0, numInputChannels, true);
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setup.outputChannels.setRange (0, numOutputChannels, true);
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audioError = deviceManager.setAudioDeviceSetup (setup, false);
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}
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}
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else
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{
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audioError = deviceManager.initialise (numInputChannels, numOutputChannels, xml, true);
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}
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jassert (audioError.isEmpty());
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deviceManager.addAudioCallback (&audioSourcePlayer);
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audioSourcePlayer.setSource (this);
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}
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void AudioAppComponent::shutdownAudio()
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{
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audioSourcePlayer.setSource (nullptr);
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deviceManager.removeAudioCallback (&audioSourcePlayer);
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// other audio callbacks may still be using the device
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if (! usingCustomDeviceManager)
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deviceManager.closeAudioDevice();
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}
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} // namespace juce
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