Add some media probing API.

Change-Id: Ib83918f99b699ac3fbc7ede82a392d00d4c18005
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

src/multimedia/controls/qmediavideoprobecontrol.cpp

@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser 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 will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmediavideoprobecontrol.h"
+#include "qmediacontrol_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QMediaVideoProbeControl
+    \inmodule QtMultimedia
+
+    \ingroup multimedia
+    \ingroup multimedia_control
+
+    \brief The QMediaVideoProbeControl class allows control over probing video frames in media objects.
+
+    \l QVideoProbe is the client facing class for probing video - this class is implemented by
+    media backends to provide this functionality.
+
+    The interface name of QMediaVideoProbeControl is \c com.nokia.Qt.QMediaVideoProbeControl/1.0 as
+    defined in QMediaVideoProbeControl_iid.
+
+    \sa QVideoProbe, QMediaService::requestControl(), QMediaPlayer, QCamera
+*/
+
+/*!
+    \macro QMediaVideoProbeControl_iid
+
+    \c com.nokia.Qt.QMediaVideoProbeControl/1.0
+
+    Defines the interface name of the QMediaVideoProbeControl class.
+
+    \relates QMediaVideoProbeControl
+*/
+
+/*!
+  Create a new media video probe control object with the given \a parent.
+*/
+QMediaVideoProbeControl::QMediaVideoProbeControl(QObject *parent)
+    : QMediaControl(*new QMediaControlPrivate, parent)
+{
+}
+
+/*! Destroys this video probe control */
+QMediaVideoProbeControl::~QMediaVideoProbeControl()
+{
+}
+
+/*!
+    \fn QMediaVideoProbeControl::videoFrameProbed(const QVideoFrame &frame)
+
+    This signal should be emitted when a video frame is processed in the
+    media service.
+*/
+
+#include "moc_qmediavideoprobecontrol.cpp"
+
+QT_END_NAMESPACE