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sdrangel/sdrbase/audio/audiodevicemanager.cpp

133 lines
4.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 F4EXB //
// written by Edouard Griffiths //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <audio/audiodevicemanager.h>
#include "util/simpleserializer.h"
AudioDeviceManager::AudioDeviceManager() :
m_inputDeviceIndex(-1), // default device
m_outputDeviceIndex(-1), // default device
m_audioOutputSampleRate(48000), // Use default output device at 48 kHz
m_audioInputSampleRate(48000), // Use default input device at 48 kHz
m_inputVolume(1.0f)
{
m_inputDevicesInfo = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
m_outputDevicesInfo = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
}
void AudioDeviceManager::resetToDefaults()
{
m_inputDeviceIndex = -1;
m_outputDeviceIndex = -1;
m_inputVolume = 1.0f;
}
QByteArray AudioDeviceManager::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_inputDeviceIndex);
s.writeS32(2, m_outputDeviceIndex);
s.writeFloat(3, m_inputVolume);
return s.final();
}
bool AudioDeviceManager::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid()) {
resetToDefaults();
return false;
}
if(d.getVersion() == 1)
{
d.readS32(1, &m_inputDeviceIndex, -1);
d.readS32(2, &m_outputDeviceIndex, -1);
d.readFloat(3, &m_inputVolume, 1.0f);
return true;
}
else
{
resetToDefaults();
return false;
}
}
void AudioDeviceManager::setInputDeviceIndex(int inputDeviceIndex)
{
int nbDevices = m_inputDevicesInfo.size();
m_inputDeviceIndex = inputDeviceIndex < -1 ? -1 : inputDeviceIndex >= nbDevices ? nbDevices-1 : inputDeviceIndex;
}
void AudioDeviceManager::setOutputDeviceIndex(int outputDeviceIndex)
{
int nbDevices = m_outputDevicesInfo.size();
m_outputDeviceIndex = outputDeviceIndex < -1 ? -1 : outputDeviceIndex >= nbDevices ? nbDevices-1 : outputDeviceIndex;
}
void AudioDeviceManager::setInputVolume(float inputVolume)
{
m_inputVolume = inputVolume < 0.0 ? 0.0 : inputVolume > 1.0 ? 1.0 : inputVolume;
}
void AudioDeviceManager::addAudioSink(AudioFifo* audioFifo)
{
qDebug("AudioDeviceInfo::addAudioSink");
m_audioOutput.addFifo(audioFifo);
}
void AudioDeviceManager::removeAudioSink(AudioFifo* audioFifo)
{
qDebug("AudioDeviceInfo::removeAudioSink");
m_audioOutput.removeFifo(audioFifo);
}
void AudioDeviceManager::addAudioSource(AudioFifo* audioFifo)
{
qDebug("AudioDeviceInfo::addAudioSource");
m_audioInput.addFifo(audioFifo);
}
void AudioDeviceManager::removeAudioSource(AudioFifo* audioFifo)
{
qDebug("AudioDeviceInfo::removeAudioSource");
m_audioInput.removeFifo(audioFifo);
}
void AudioDeviceManager::startAudioOutput()
{
m_audioOutput.start(m_outputDeviceIndex, m_audioOutputSampleRate);
m_audioOutputSampleRate = m_audioOutput.getRate(); // update with actual rate
}
void AudioDeviceManager::stopAudioOutput()
{
m_audioOutput.stop();
}
void AudioDeviceManager::startAudioInput()
{
m_audioInput.start(m_inputDeviceIndex, m_audioInputSampleRate);
m_audioInputSampleRate = m_audioInput.getRate(); // update with actual rate
}
void AudioDeviceManager::stopAudioInput()
{
m_audioInput.stop();
}