kopia lustrzana https://github.com/f4exb/sdrangel
359 wiersze
11 KiB
C++
359 wiersze
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 F4EXB //
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// written by Edouard Griffiths //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include "audio/audiodevicemanager.h"
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#include "util/simpleserializer.h"
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#include <QDebug>
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const float AudioDeviceManager::m_defaultAudioInputVolume = 0.15f;
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QDataStream& operator<<(QDataStream& ds, const AudioDeviceManager::InputDeviceInfo& info)
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{
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ds << info.sampleRate << info.volume;
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return ds;
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}
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QDataStream& operator>>(QDataStream& ds, AudioDeviceManager::InputDeviceInfo& info)
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{
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ds >> info.sampleRate >> info.volume;
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return ds;
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}
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AudioDeviceManager::AudioDeviceManager()
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{
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m_inputDevicesInfo = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
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m_outputDevicesInfo = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
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}
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AudioDeviceManager::~AudioDeviceManager()
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{
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QMap<int, AudioOutput*>::iterator it = m_audioOutputs.begin();
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for (; it != m_audioOutputs.end(); ++it) {
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delete(*it);
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}
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}
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bool AudioDeviceManager::getOutputDeviceName(int outputDeviceIndex, QString &deviceName) const
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{
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if (outputDeviceIndex < 0)
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{
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deviceName = "System default device";
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return true;
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}
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else
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{
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if (outputDeviceIndex < m_outputDevicesInfo.size())
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{
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deviceName = m_outputDevicesInfo[outputDeviceIndex].deviceName();
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return true;
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}
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else
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{
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return false;
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}
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}
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}
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bool AudioDeviceManager::getInputDeviceName(int inputDeviceIndex, QString &deviceName) const
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{
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if (inputDeviceIndex < 0)
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{
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deviceName = "System default device";
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return true;
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}
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else
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{
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if (inputDeviceIndex < m_inputDevicesInfo.size())
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{
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deviceName = m_inputDevicesInfo[inputDeviceIndex].deviceName();
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return true;
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}
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else
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{
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return false;
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}
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}
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}
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void AudioDeviceManager::resetToDefaults()
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{
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}
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QByteArray AudioDeviceManager::serialize() const
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{
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qDebug("AudioDeviceManager::serialize");
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debugAudioInputInfos();
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debugAudioOutputInfos();
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SimpleSerializer s(1);
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QByteArray data;
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serializeInputMap(data);
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s.writeBlob(1, data);
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serializeOutputMap(data);
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s.writeBlob(2, data);
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return s.final();
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}
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void AudioDeviceManager::serializeInputMap(QByteArray& data) const
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{
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QDataStream *stream = new QDataStream(&data, QIODevice::WriteOnly);
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*stream << m_audioInputInfos;
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delete stream;
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}
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void AudioDeviceManager::serializeOutputMap(QByteArray& data) const
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{
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QDataStream *stream = new QDataStream(&data, QIODevice::WriteOnly);
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*stream << m_audioOutputSampleRates;
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delete stream;
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}
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bool AudioDeviceManager::deserialize(const QByteArray& data)
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{
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qDebug("AudioDeviceManager::deserialize");
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SimpleDeserializer d(data);
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if(!d.isValid()) {
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resetToDefaults();
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return false;
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}
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if(d.getVersion() == 1)
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{
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QByteArray data;
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d.readBlob(1, &data);
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deserializeInputMap(data);
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d.readBlob(2, &data);
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deserializeOutputMap(data);
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debugAudioInputInfos();
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debugAudioOutputInfos();
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return true;
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}
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else
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{
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resetToDefaults();
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return false;
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}
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}
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void AudioDeviceManager::deserializeInputMap(QByteArray& data)
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{
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QDataStream readStream(&data, QIODevice::ReadOnly);
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readStream >> m_audioInputInfos;
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}
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void AudioDeviceManager::deserializeOutputMap(QByteArray& data)
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{
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QDataStream readStream(&data, QIODevice::ReadOnly);
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readStream >> m_audioOutputSampleRates;
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}
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void AudioDeviceManager::addAudioSink(AudioFifo* audioFifo, int outputDeviceIndex)
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{
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qDebug("AudioDeviceManager::addAudioSink: %d: %p", outputDeviceIndex, audioFifo);
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if (m_audioOutputs.find(outputDeviceIndex) == m_audioOutputs.end()) {
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m_audioOutputs[outputDeviceIndex] = new AudioOutput();
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}
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if (m_audioOutputs[outputDeviceIndex]->getNbFifos() == 0) {
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startAudioOutput(outputDeviceIndex);
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}
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if (m_audioSinkFifos.find(audioFifo) == m_audioSinkFifos.end()) // new FIFO
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{
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m_audioOutputs[outputDeviceIndex]->addFifo(audioFifo);
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}
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else
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{
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int audioOutputDeviceIndex = m_audioSinkFifos[audioFifo];
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if (audioOutputDeviceIndex != outputDeviceIndex) // change of audio device
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{
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removeAudioSink(audioFifo); // remove from current
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m_audioOutputs[outputDeviceIndex]->addFifo(audioFifo); // add to new
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}
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}
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m_audioSinkFifos[audioFifo] = outputDeviceIndex; // register audio FIFO
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}
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void AudioDeviceManager::removeAudioSink(AudioFifo* audioFifo)
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{
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qDebug("AudioDeviceManager::removeAudioSink: %p", audioFifo);
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if (m_audioSinkFifos.find(audioFifo) == m_audioSinkFifos.end())
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{
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qWarning("AudioDeviceManager::removeAudioSink: audio FIFO %p not found", audioFifo);
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return;
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}
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int audioOutputDeviceIndex = m_audioSinkFifos[audioFifo];
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m_audioOutputs[audioOutputDeviceIndex]->removeFifo(audioFifo);
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if (m_audioOutputs[audioOutputDeviceIndex]->getNbFifos() == 0) {
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stopAudioOutput(audioOutputDeviceIndex);
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}
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m_audioSinkFifos.remove(audioFifo); // unregister audio FIFO
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}
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void AudioDeviceManager::addAudioSource(AudioFifo* audioFifo, int inputDeviceIndex)
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{
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qDebug("AudioDeviceManager::addAudioSource: %d: %p", inputDeviceIndex, audioFifo);
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if (m_audioInputs.find(inputDeviceIndex) == m_audioInputs.end()) {
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m_audioInputs[inputDeviceIndex] = new AudioInput();
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}
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if (m_audioInputs[inputDeviceIndex]->getNbFifos() == 0) {
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startAudioInput(inputDeviceIndex);
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}
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if (m_audioSourceFifos.find(audioFifo) == m_audioSourceFifos.end()) // new FIFO
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{
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m_audioInputs[inputDeviceIndex]->addFifo(audioFifo);
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}
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else
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{
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int audioInputDeviceIndex = m_audioSourceFifos[audioFifo];
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if (audioInputDeviceIndex != inputDeviceIndex) // change of audio device
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{
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removeAudioSource(audioFifo); // remove from current
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m_audioInputs[inputDeviceIndex]->addFifo(audioFifo); // add to new
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}
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}
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m_audioSourceFifos[audioFifo] = inputDeviceIndex; // register audio FIFO
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}
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void AudioDeviceManager::removeAudioSource(AudioFifo* audioFifo)
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{
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qDebug("AudioDeviceManager::removeAudioSource: %p", audioFifo);
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if (m_audioSourceFifos.find(audioFifo) == m_audioSourceFifos.end())
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{
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qWarning("AudioDeviceManager::removeAudioSource: audio FIFO %p not found", audioFifo);
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return;
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}
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int audioInputDeviceIndex = m_audioSourceFifos[audioFifo];
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m_audioInputs[audioInputDeviceIndex]->removeFifo(audioFifo);
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if (m_audioInputs[audioInputDeviceIndex]->getNbFifos() == 0) {
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stopAudioInput(audioInputDeviceIndex);
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}
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m_audioSourceFifos.remove(audioFifo); // unregister audio FIFO
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}
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void AudioDeviceManager::startAudioOutput(int outputDeviceIndex)
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{
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unsigned int sampleRate;
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QString deviceName;
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if (getOutputDeviceName(outputDeviceIndex, deviceName))
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{
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if (m_audioOutputSampleRates.find(deviceName) == m_audioOutputSampleRates.end()) {
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sampleRate = m_defaultAudioSampleRate;
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} else {
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sampleRate = m_audioOutputSampleRates[deviceName];
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}
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m_audioOutputs[outputDeviceIndex]->start(outputDeviceIndex, sampleRate);
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m_audioOutputSampleRates[deviceName] = m_audioOutputs[outputDeviceIndex]->getRate(); // update with actual rate
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}
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else
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{
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qWarning("AudioDeviceManager::startAudioOutput: unknown device index %d", outputDeviceIndex);
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}
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}
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void AudioDeviceManager::stopAudioOutput(int outputDeviceIndex)
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{
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m_audioOutputs[outputDeviceIndex]->stop();
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}
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void AudioDeviceManager::startAudioInput(int inputDeviceIndex)
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{
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unsigned int sampleRate;
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float volume;
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QString deviceName;
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if (getInputDeviceName(inputDeviceIndex, deviceName))
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{
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if (m_audioInputInfos.find(deviceName) == m_audioInputInfos.end())
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{
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sampleRate = m_defaultAudioSampleRate;
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volume = m_defaultAudioInputVolume;
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}
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else
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{
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sampleRate = m_audioInputInfos[deviceName].sampleRate;
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volume = m_audioInputInfos[deviceName].volume;
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}
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m_audioInputs[inputDeviceIndex]->start(inputDeviceIndex, sampleRate);
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m_audioInputs[inputDeviceIndex]->setVolume(volume);
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m_audioInputInfos[deviceName].sampleRate = m_audioInputs[inputDeviceIndex]->getRate();
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m_audioInputInfos[deviceName].volume = volume;
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}
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else
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{
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qWarning("AudioDeviceManager::startAudioInput: unknown device index %d", inputDeviceIndex);
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}
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}
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void AudioDeviceManager::stopAudioInput(int inputDeviceIndex)
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{
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m_audioInputs[inputDeviceIndex]->stop();
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}
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void AudioDeviceManager::debugAudioInputInfos() const
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{
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QMap<QString, InputDeviceInfo>::const_iterator it = m_audioInputInfos.begin();
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for (; it != m_audioInputInfos.end(); ++it)
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{
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qDebug() << "AudioDeviceManager::debugAudioInputInfos:"
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<< " name: " << it.key()
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<< " sampleRate: " << it.value().sampleRate
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<< " volume: " << it.value().volume;
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}
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}
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void AudioDeviceManager::debugAudioOutputInfos() const
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{
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QMap<QString, unsigned int>::const_iterator it = m_audioOutputSampleRates.begin();
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for (; it != m_audioOutputSampleRates.end(); ++it)
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{
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qDebug() << "AudioDeviceManager::debugAudioOutputInfos:"
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<< " name: " << it.key()
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<< " sampleRate: " << it.value();
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}
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}
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