qt-everywhere-src-5.14.1/qtmultimedia/src/imports/audioengine/qdeclarative_playvariation_p.h

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#ifndef QDECLARATIVEPLAYVARIATION_P_H
#define QDECLARATIVEPLAYVARIATION_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 <QtQml/qqml.h>

QT_BEGIN_NAMESPACE

class QDeclarativeAudioSample;
class QSoundInstance;
class QDeclarativeAudioEngine;

class QDeclarativePlayVariation : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString sample READ sample WRITE setSample)
    Q_PROPERTY(bool looping READ isLooping WRITE setLooping)
    Q_PROPERTY(qreal maxGain READ maxGain WRITE setMaxGain)
    Q_PROPERTY(qreal minGain READ minGain WRITE setMinGain)
    Q_PROPERTY(qreal maxPitch READ maxPitch WRITE setMaxPitch)
    Q_PROPERTY(qreal minPitch READ minPitch WRITE setMinPitch)

public:
    QDeclarativePlayVariation(QObject *parent = 0);
    ~QDeclarativePlayVariation();

    QString sample() const;
    void setSample(const QString& sample);

    bool isLooping() const;
    void setLooping(bool looping);

    qreal maxGain() const;
    void setMaxGain(qreal maxGain);
    qreal minGain() const;
    void setMinGain(qreal minGain);

    qreal maxPitch() const;
    void setMaxPitch(qreal maxPitch);
    qreal minPitch() const;
    void setMinPitch(qreal minPitch);

    //called by QDeclarativeAudioEngine
    void setSampleObject(QDeclarativeAudioSample *sampleObject);
    QDeclarativeAudioSample* sampleObject() const;

    void applyParameters(QSoundInstance *soundInstance);

    void setEngine(QDeclarativeAudioEngine *engine);

private:
    Q_DISABLE_COPY(QDeclarativePlayVariation);
    QString m_sample;
    bool m_looping;
    qreal m_maxGain;
    qreal m_minGain;
    qreal m_maxPitch;
    qreal m_minPitch;
    QDeclarativeAudioSample *m_sampleObject;
    QDeclarativeAudioEngine *m_engine;
};

QT_END_NAMESPACE

#endif