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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
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**
****************************************************************************/

#ifndef QAUDIOENGINE_P_H
#define QAUDIOENGINE_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 <QtCore/QObject>
#include <QtCore/QMap>
#include <QtCore/QUrl>
#include <QtGui/qvector3d.h>

QT_BEGIN_NAMESPACE

class QSoundSource;
class QSoundBuffer;
class QAudioEnginePrivate;

class QAudioEngine : public QObject
{
    Q_OBJECT
public:
    ~QAudioEngine();

    virtual QSoundSource* createSoundSource();
    virtual void releaseSoundSource(QSoundSource *soundInstance);

    virtual QSoundBuffer* getStaticSoundBuffer(const QUrl& url);
    virtual void releaseSoundBuffer(QSoundBuffer *buffer);

    virtual bool isLoading() const;

    virtual QVector3D listenerPosition() const;
    virtual QVector3D listenerDirection() const;
    virtual QVector3D listenerVelocity() const;
    virtual QVector3D listenerUp() const;
    virtual qreal listenerGain() const;
    virtual void setListenerPosition(const QVector3D& position);
    virtual void setListenerDirection(const QVector3D& direction);
    virtual void setListenerVelocity(const QVector3D& velocity);
    virtual void setListenerUp(const QVector3D& up);
    virtual void setListenerGain(qreal gain);

    virtual qreal dopplerFactor() const;
    virtual void setDopplerFactor(qreal dopplerFactor);

    virtual qreal speedOfSound() const;
    virtual void setSpeedOfSound(qreal speedOfSound);

    static QAudioEngine* create(QObject *parent);

Q_SIGNALS:
    void isLoadingChanged();

private:
    QAudioEngine(QObject *parent);
    QAudioEnginePrivate *d;

    void updateListenerOrientation();

    qreal m_dopplerFactor;
    qreal m_speedOfSound;
    QVector3D m_listenerUp;
    QVector3D m_listenerDirection;
};

QT_END_NAMESPACE

#endif