qsoundeffectsynchronous_p.h

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QSOUNDEFFECTSYNCHRONOUS_P_H

#define QSOUNDEFFECTSYNCHRONOUS_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtMultimedia/private/qsoundeffect_p.h>

#include <QtMultimedia/qaudiobuffer.h>

#include <QtMultimedia/qaudiosink.h>

#include <QtCore/qiodevice.h>

QT_BEGIN_NAMESPACE

class Q_MULTIMEDIA_EXPORT QSoundEffectPrivateSynchronous : public QIODevice,

                                                           public QSoundEffectPrivate

    struct AudioSinkDeleter

        void operator()(QAudioSink *sink) const;

};

public:

    QSoundEffectPrivateSynchronous(QSoundEffect *q, const QAudioDevice &audioDevice);

    ~QSoundEffectPrivateSynchronous() override;

    qint64 readData(char *data, qint64 len) override;

    qint64 writeData(const char *data, qint64 len) override;

    qint64 size() const override;

    qint64 bytesAvailable() const override;

    bool isSequential() const override;

    bool atEnd() const override;

    void setLoopsRemaining(int loopsRemaining);

    void setStatus(QSoundEffect::Status status);

    void setPlaying(bool playing);

    bool updateAudioOutput();

    void decoderError();

    void sampleReady(SharedSamplePtr);

    int loopCount() const override;

    bool setLoopCount(int loopCount) override;

    int loopsRemaining() const override;

    float volume() const override;

    bool setVolume(float volume) override;

    bool muted() const override;

    bool setMuted(bool muted) override;

    void play() override;

    void stop() override;

    bool playing() const override;

    bool setAudioDevice(QAudioDevice device) override;

    void setSource(QUrl, QSampleCache &) override;

    QSoundEffect::Status status() const override;

    QAudioDevice audioDevice() const override;

private:

    void stateChanged(QAudio::State);

    QSoundEffect *q_ptr;

    QAudioDevice m_audioDevice;

    int m_loopCount = 1;

    int m_runningCount = 0;

    bool m_playing = false;

    std::unique_ptr<QAudioSink, AudioSinkDeleter> m_audioSink;

    SharedSamplePtr m_sample;

    QAudioBuffer m_audioBuffer;

    bool m_muted = false;

    float m_volume = 1.0;

    qint64 m_offset = 0;

    QFuture<void> m_sampleLoadFuture;

    QUrl m_url; // unresolved url

    QSoundEffect::Status m_status = QSoundEffect::Null;

    bool m_sampleReady = false;

};

QT_END_NAMESPACE

#endif // QSOUNDEFFECTSYNCHRONOUS_P_H