/****************************************************************************
**
** Copyright (C) 2011 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtMultimedia module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the 
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
** 
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
****************************************************************************/


#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
