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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 plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QX11VIDEOSURFACE_H
+#define QX11VIDEOSURFACE_H
+
+#include <QtGui/qwidget.h>
+#include <QtMultimedia/qabstractvideosurface.h>
+
+#include <X11/Xlib.h>
+#include <X11/extensions/Xv.h>
+#include <X11/extensions/Xvlib.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QX11VideoSurface : public QAbstractVideoSurface
+{
+ Q_OBJECT
+public:
+ QX11VideoSurface(QObject *parent = 0);
+ ~QX11VideoSurface();
+
+ WId winId() const;
+ void setWinId(WId id);
+
+ QRect displayRect() const;
+ void setDisplayRect(const QRect &rect);
+
+ int brightness() const;
+ void setBrightness(int brightness);
+
+ int contrast() const;
+ void setContrast(int contrast);
+
+ int hue() const;
+ void setHue(int hue);
+
+ int saturation() const;
+ void setSaturation(int saturation);
+
+ QList<QVideoFrame::PixelFormat> supportedPixelFormats(
+ QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
+
+ bool start(const QVideoSurfaceFormat &format);
+ void stop();
+
+ bool present(const QVideoFrame &frame);
+
+private:
+ WId m_winId;
+ XvPortID m_portId;
+ GC m_gc;
+ XvImage *m_image;
+ QList<QVideoFrame::PixelFormat> m_supportedPixelFormats;
+ QVector<int> m_formatIds;
+ QRect m_viewport;
+ QRect m_displayRect;
+ QPair<int, int> m_brightnessRange;
+ QPair<int, int> m_contrastRange;
+ QPair<int, int> m_hueRange;
+ QPair<int, int> m_saturationRange;
+
+ bool findPort();
+ void querySupportedFormats();
+
+ int getAttribute(const char *attribute, int minimum, int maximum) const;
+ void setAttribute(const char *attribute, int value, int minimum, int maximum);
+
+ static int redistribute(int value, int fromLower, int fromUpper, int toLower, int toUpper);
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif