Files
pilotclient/src/blacksound/threadedtonepairplayer.h
2018-08-25 22:12:06 +02:00

76 lines
2.4 KiB
C++

/* Copyright (C) 2016
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
* including this file, may be copied, modified, propagated, or distributed except according to the terms
* contained in the LICENSE file.
*/
//! \file
#ifndef BLACKSOUND_THREADEDTONEPAIRPLAYER_H
#define BLACKSOUND_THREADEDTONEPAIRPLAYER_H
#include "blacksoundexport.h"
#include "blacksound/tonepair.h"
#include "blackmisc/worker.h"
#include <QAudioDeviceInfo>
#include <QAudioOutput>
#include <QBuffer>
#include <QMap>
#include <QReadWriteLock>
#include <QtEndian>
#include <QtGlobal>
class QTimer;
namespace BlackSound
{
//! Threaded tone player. Don't use it directly but use \sa CSelcalPlayer instead.
class BLACKSOUND_EXPORT CThreadedTonePairPlayer : public BlackMisc::CContinuousWorker
{
Q_OBJECT
public:
//! Constructor
CThreadedTonePairPlayer(QObject *owner, const QString &name, const QAudioDeviceInfo &device = QAudioDeviceInfo::defaultOutputDevice());
//! Destructor
virtual ~CThreadedTonePairPlayer() override;
public slots:
//! Play the list of tones.
//! If the player is currently active, this call will be ignored.
void play(int volume, const QList<CTonePair> &tonePairs);
protected slots:
//! \copydoc BlackMisc::CContinuousWorker::initialize
virtual void initialize() override;
private:
void handleStateChanged(QAudio::State newState);
void playBuffer();
QByteArray getAudioByTonePairs(const QList<CTonePair> &tonePairs);
QByteArray generateAudioFromTonePairs(const CTonePair &tonePair);
//! Write audio amplitude to data buffer
//! This method assumes that
//! \li sampleSize == 16
//! \li byte order == little endian
//! \li sample type == signed int
void writeAmplitudeToBuffer(double amplitude, unsigned char *bufferPointer);
QAudioDeviceInfo m_deviceInfo;
QAudioOutput *m_audioOutput = nullptr;
QByteArray m_bufferData;
QBuffer m_buffer;
QMutex m_mutex { QMutex::Recursive };
QAudioFormat m_audioFormat;
QMap<CTonePair, QByteArray> m_tonePairCache;
};
}
#endif // guard