qtmobility/plugins/multimedia/symbian/mmf/mediaplayer/s60videosurface.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 14:26:25 +0300
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Revision: 201021 Kit: 2010123
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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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#ifndef S60VIDEOSURFACE_H
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#define S60VIDEOSURFACE_H
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#include <QtGui/qwidget.h>
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#include <QtMultimedia/qabstractvideosurface.h>
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class S60VideoSurface : public QAbstractVideoSurface
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{
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    Q_OBJECT
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public:
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    S60VideoSurface(QObject *parent = 0);
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    ~S60VideoSurface();
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    WId winId() const;
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    void setWinId(WId id);
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    QRect displayRect() const;
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    void setDisplayRect(const QRect &rect);
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    int brightness() const;
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    void setBrightness(int brightness);
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    int contrast() const;
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    void setContrast(int contrast);
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    int hue() const;
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    void setHue(int hue);
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    int saturation() const;
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    void setSaturation(int saturation);
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    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
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            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
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    bool isFormatSupported(const QVideoSurfaceFormat &format) const;
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    bool start(const QVideoSurfaceFormat &format);
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    void stop();
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    bool present(const QVideoFrame &frame);
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private:   
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    WId m_winId;
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    //XvPortID m_portId;
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    //GC m_gc;
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    //XvImage *m_image;
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    QList<QVideoFrame::PixelFormat> m_supportedPixelFormats;
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    QVector<int> m_formatIds;
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    QRect m_viewport;
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    QRect m_displayRect;
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    QPair<int, int> m_brightnessRange;
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    QPair<int, int> m_contrastRange;
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    QPair<int, int> m_hueRange;
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    QPair<int, int> m_saturationRange;
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    bool findPort();
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    void querySupportedFormats();
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    int getAttribute(const char *attribute, int minimum, int maximum) const;
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    void setAttribute(const char *attribute, int value, int minimum, int maximum);
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    static int redistribute(int value, int fromLower, int fromUpper, int toLower, int toUpper);
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};
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#endif