106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/*
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* This file is part of openauto project.
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* Copyright (C) 2018 f1x.studio (Michal Szwaj)
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*
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* openauto 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; either version 3 of the License, or
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* (at your option) any later version.
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* openauto 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 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 openauto. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QApplication>
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#include <f1x/openauto/autoapp/Projection/AudioOutput.hpp>
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#include <f1x/openauto/Common/Log.hpp>
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namespace f1x
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{
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namespace openauto
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{
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namespace autoapp
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{
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namespace projection
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{
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AudioOutput::AudioOutput(uint32_t channelCount, uint32_t sampleSize, uint32_t sampleRate)
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{
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audioFormat_.setChannelCount(channelCount);
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audioFormat_.setSampleRate(sampleRate);
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audioFormat_.setSampleSize(sampleSize);
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audioFormat_.setCodec("audio/pcm");
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audioFormat_.setByteOrder(QAudioFormat::LittleEndian);
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audioFormat_.setSampleType(QAudioFormat::SignedInt);
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this->moveToThread(QApplication::instance()->thread());
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connect(this, &AudioOutput::startPlayback, this, &AudioOutput::onStartPlayback);
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connect(this, &AudioOutput::stopPlayback, this, &AudioOutput::onStopPlayback);
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QMetaObject::invokeMethod(this, "createAudioOutput", Qt::BlockingQueuedConnection);
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}
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void AudioOutput::createAudioOutput()
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{
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OPENAUTO_LOG(debug) << "[AudioOutput] create.";
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audioOutput_ = std::make_unique<QAudioOutput>(QAudioDeviceInfo::defaultOutputDevice(), audioFormat_);
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// Default volume level (max) produces crackles
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audioOutput_->setVolume(static_cast<qreal>(0.90));
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}
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bool AudioOutput::open()
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{
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return audioBuffer_.open(QIODevice::ReadWrite);
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}
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void AudioOutput::write(const aasdk::common::DataConstBuffer& buffer)
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{
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audioBuffer_.write(reinterpret_cast<const char*>(buffer.cdata), buffer.size);
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}
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void AudioOutput::start()
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{
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emit startPlayback();
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}
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void AudioOutput::stop()
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{
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emit stopPlayback();
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}
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uint32_t AudioOutput::getSampleSize() const
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{
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return audioFormat_.sampleSize();
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}
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uint32_t AudioOutput::getChannelCount() const
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{
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return audioFormat_.channelCount();
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}
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uint32_t AudioOutput::getSampleRate() const
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{
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return audioFormat_.sampleRate();
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}
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void AudioOutput::onStartPlayback()
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{
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audioOutput_->start(&audioBuffer_);
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}
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void AudioOutput::onStopPlayback()
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{
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audioOutput_->suspend();
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}
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}
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}
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}
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}
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