threadedtonepairplayer.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: Copyright (C) 2016 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1

 
#ifndef SWIFT_SOUND_THREADEDTONEPAIRPLAYER_H
#define SWIFT_SOUND_THREADEDTONEPAIRPLAYER_H
 
#include <QAudioFormat>
#include <QAudioSink>
#include <QBuffer>
#include <QMap>
#include <QReadWriteLock>
#include <QtEndian>
#include <QtGlobal>
 
#include "misc/audio/audiodeviceinfo.h"
#include "misc/worker.h"
#include "sound/swiftsoundexport.h"
#include "sound/tonepair.h"
 
class QTimer;
 
namespace swift::sound
{
    class SWIFT_SOUND_EXPORT CThreadedTonePairPlayer : public swift::misc::CContinuousWorker
    {
        Q_OBJECT
 
    public:
        CThreadedTonePairPlayer(QObject *owner, const QString &name,
                                const swift::misc::audio::CAudioDeviceInfo &device);

        ~CThreadedTonePairPlayer() override = default;

        void play(int volume, const QList<swift::sound::CTonePair> &tonePairs);

        bool reinitializeAudio(const swift::misc::audio::CAudioDeviceInfo &device);

        swift::misc::audio::CAudioDeviceInfo getAudioDevice() const;
 
    protected:
        void initialize() override;

        void beforeQuit() noexcept override;
 
    private:
        void handleStateChanged(QAudio::State newState);
        void playBuffer();
        QByteArray getAudioByTonePairs(const QList<CTonePair> &tonePairs);
        QByteArray generateAudioFromTonePairs(const CTonePair &tonePair);

        void writeAmplitudeToBuffer(double amplitude, unsigned char *bufferPointer);
 
        swift::misc::audio::CAudioDeviceInfo m_deviceInfo;
        QAudioSink *m_audioOutput = nullptr;
        QByteArray m_bufferData;
        QBuffer m_buffer;
        QAudioFormat m_audioFormat;
        QMap<CTonePair, QByteArray> m_tonePairCache;
        mutable QRecursiveMutex m_mutex;
    };
} // namespace swift::sound
 
#endif // SWIFT_SOUND_THREADEDTONEPAIRPLAYER_H