/****************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtMultimedia module of the Qt Toolkit.
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****************************************************************************/


#ifndef QAUDIOENGINEPLUGIN_H
#define QAUDIOENGINEPLUGIN_H

#include <QtCore/qstring.h>
#include <QtCore/qplugin.h>
#include <QtCore/qfactoryinterface.h>

#include <QtMultimedia/qaudioformat.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
#include <QtMultimedia/qaudioengine.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Multimedia)

struct Q_MULTIMEDIA_EXPORT QAudioEngineFactoryInterface : public QFactoryInterface
{
    virtual QList<QByteArray> availableDevices(QAudio::Mode) const = 0;
    virtual QAbstractAudioInput* createInput(const QByteArray& device, const QAudioFormat& format = QAudioFormat()) = 0;
    virtual QAbstractAudioOutput* createOutput(const QByteArray& device, const QAudioFormat& format = QAudioFormat()) = 0;
    virtual QAbstractAudioDeviceInfo* createDeviceInfo(const QByteArray& device, QAudio::Mode mode) = 0;
};

#define QAudioEngineFactoryInterface_iid \
    "com.nokia.qt.QAudioEngineFactoryInterface"
Q_DECLARE_INTERFACE(QAudioEngineFactoryInterface, QAudioEngineFactoryInterface_iid)

class Q_MULTIMEDIA_EXPORT QAudioEnginePlugin : public QObject, public QAudioEngineFactoryInterface
{
    Q_OBJECT
    Q_INTERFACES(QAudioEngineFactoryInterface:QFactoryInterface)

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

    virtual QStringList keys() const = 0;
    virtual QList<QByteArray> availableDevices(QAudio::Mode) const = 0;
    virtual QAbstractAudioInput* createInput(const QByteArray& device, const QAudioFormat& format = QAudioFormat()) = 0;
    virtual QAbstractAudioOutput* createOutput(const QByteArray& device, const QAudioFormat& format = QAudioFormat()) = 0;
    virtual QAbstractAudioDeviceInfo* createDeviceInfo(const QByteArray& device, QAudio::Mode mode) = 0;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QAUDIOENGINEPLUGIN_H
