Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2

src/plugins/directshow/camera/dscameraservice.cpp

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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qdebug.h>
+#include <QtGui/qwidget.h>
+#include <QVideoWidgetControl.h>
+
+
+#include "dscameraservice.h"
+#include "dscameracontrol.h"
+#include "dscamerasession.h"
+#include "dsvideorenderer.h"
+#include "dsvideodevicecontrol.h"
+#include "dsimagecapturecontrol.h"
+#include "dsvideowidgetcontrol.h"
+
+QT_BEGIN_NAMESPACE
+
+DSCameraService::DSCameraService(QObject *parent):
+    QMediaService(parent)
+{
+    m_session = new DSCameraSession(this);
+
+    m_control = new DSCameraControl(m_session);
+
+    m_videoDevice = new DSVideoDeviceControl(m_session);
+
+    m_videoRenderer = new DSVideoRendererControl(m_session, this);
+
+    m_imageCapture = new DSImageCaptureControl(m_session);
+
+    m_viewFinderWidget = new DSVideoWidgetControl(m_session);
+
+    m_device = QByteArray("default");
+}
+
+DSCameraService::~DSCameraService()
+{
+    delete m_control;
+    delete m_videoDevice;
+    delete m_videoRenderer;
+    delete m_imageCapture;
+    delete m_viewFinderWidget;
+    delete m_session;
+}
+
+QMediaControl* DSCameraService::requestControl(const char *name)
+{
+    if(qstrcmp(name,QCameraControl_iid) == 0)
+        return m_control;
+
+    if (qstrcmp(name, QCameraImageCaptureControl_iid) == 0)
+        return m_imageCapture;
+
+    if (qstrcmp(name, QVideoWidgetControl_iid) == 0) {
+        if (m_viewFinderWidget) {
+            return m_viewFinderWidget;
+        }
+    }
+
+    if(qstrcmp(name,QVideoRendererControl_iid) == 0)
+        return m_videoRenderer;
+
+    if(qstrcmp(name,QVideoDeviceControl_iid) == 0)
+        return m_videoDevice;
+
+    return 0;
+}
+
+void DSCameraService::releaseControl(QMediaControl *control)
+{
+   // Implemented as a singleton, so we do nothing.
+}
+
+QT_END_NAMESPACE