src/multimedia/qmediastreamscontrol.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 01:37:06 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qmediastreamscontrol.h"
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#include "qmediacontrol_p.h"
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QT_BEGIN_NAMESPACE
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/*!
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    \class QMediaStreamsControl
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    \preliminary
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    \ingroup multimedia
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    \brief The QMediaStreamsControl class provides a media stream selection control.
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    \ingroup multimedia
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    The QMediaStreamsControl class provides descriptions of the available media streams
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    and allows individual streams to be activated and deactivated.
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    The interface name of QMediaStreamsControl is \c com.nokia.Qt.MediaStreamsControl as
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    defined in QMediaStreamsControl_iid.
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    \sa QMediaService::requestControl()
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*/
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/*!
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    \macro QMediaStreamsControl_iid
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    \c com.nokia.Qt.MediaStreamsControl
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    Defines the interface name of the QMediaStreamsControl class.
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    \relates QMediaStreamsControl
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*/
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/*!
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    Constructs a new media streams control with the given \a parent.
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*/
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QMediaStreamsControl::QMediaStreamsControl(QObject *parent)
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    :QMediaControl(*new QMediaControlPrivate, parent)
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{
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}
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/*!
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    Destroys a media streams control.
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*/
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QMediaStreamsControl::~QMediaStreamsControl()
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{
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}
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/*!
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  \enum QMediaStreamsControl::StreamType
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  Media stream type.
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  \value AudioStream Audio stream.
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  \value VideoStream Video stream.
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  \value SubPictureStream Subpicture or teletext stream.
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  \value UnknownStream The stream type is unknown.
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  \value DataStream
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*/
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/*!
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    \fn QMediaStreamsControl::streamCount()
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    Returns the number of media streams.
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*/
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/*!
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    \fn QMediaStreamsControl::streamType(int stream)
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    Return the type of a media \a stream.
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*/
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/*!
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    \fn QMediaStreamsControl::metaData(int stream, QtMultimediaKit::MetaData key)
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    Returns the meta-data value of \a key for a given \a stream.
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    Useful metadata keya are QtMultimediaKit::Title, QtMultimediaKit::Description and QtMultimediaKit::Language.
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*/
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/*!
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    \fn QMediaStreamsControl::isActive(int stream)
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    Returns true if the media \a stream is active.
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*/
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/*!
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    \fn QMediaStreamsControl::setActive(int stream, bool state)
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    Sets the active \a state of a media \a stream.
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    Setting the active state of a media stream to true will activate it.  If any other stream
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    of the same type was previously active it will be deactivated. Setting the active state fo a
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    media stream to false will deactivate it.
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*/
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/*!
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    \fn QMediaStreamsControl::streamsChanged()
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    The signal is emited when the available streams list is changed.
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*/
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/*!
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    \fn QMediaStreamsControl::activeStreamsChanged()
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    The signal is emited when the active streams list is changed.
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*/
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#include "moc_qmediastreamscontrol.cpp"
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QT_END_NAMESPACE
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