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

**

** 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 "directshowvideorenderercontrol.h"

#include "videosurfacefilter.h"

DirectShowVideoRendererControl::DirectShowVideoRendererControl(DirectShowEventLoop *loop, QObject *parent)

    : QVideoRendererControl(parent)

    , m_loop(loop)

    , m_surface(0)

    , m_filter(0)

{

}

DirectShowVideoRendererControl::~DirectShowVideoRendererControl()

{

    delete m_filter;

}

QAbstractVideoSurface *DirectShowVideoRendererControl::surface() const

{

    return m_surface;

}

void DirectShowVideoRendererControl::setSurface(QAbstractVideoSurface *surface)

{

    if (surface != m_surface) {

        m_surface = surface;

        VideoSurfaceFilter *existingFilter = m_filter;

        if (surface) {

            m_filter = new VideoSurfaceFilter(surface, m_loop);

        } else {

            m_filter = 0;

        }

        emit filterChanged();

        delete existingFilter;

    }

}

IBaseFilter *DirectShowVideoRendererControl::filter()

{

    return m_filter;

}