/****************************************************************************

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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt Mobility Components.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

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****************************************************************************/

#ifndef QMEDIASTREAMSCONTROL_H

#define QMEDIASTREAMSCONTROL_H

#include "qmediacontrol.h"

#include "qtmedianamespace.h"

#include "qmobilityglobal.h"

QT_BEGIN_NAMESPACE

{

    Q_OBJECT

public:

    enum StreamType { UnknownStream, VideoStream, AudioStream, SubPictureStream, DataStream };

    virtual ~QMediaStreamsControl();

    virtual int streamCount() = 0;

    virtual StreamType streamType(int streamNumber) = 0;

    virtual bool isActive(int streamNumber) = 0;

    virtual void setActive(int streamNumber, bool state) = 0;

Q_SIGNALS:

    void streamsChanged();

    void activeStreamsChanged();

protected:

    QMediaStreamsControl(QObject *parent = 0);

};

#define QMediaStreamsControl_iid "com.nokia.Qt.QMediaStreamsControl/1.0"

Q_MEDIA_DECLARE_CONTROL(QMediaStreamsControl, QMediaStreamsControl_iid)

QT_END_NAMESPACE

#endif // QMEDIASTREAMSCONTROL_H