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diff --git a/src/multimedia/video/qabstractvideobuffer.h b/src/multimedia/video/qabstractvideobuffer.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtMultimedia module 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 QABSTRACTVIDEOBUFFER_H
+#define QABSTRACTVIDEOBUFFER_H
+
+#include <QtCore/qmetatype.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Multimedia)
+
+class QVariant;
+
+class QAbstractVideoBufferPrivate;
+
+class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer
+{
+public:
+    enum HandleType
+    {
+        NoHandle,
+        GLTextureHandle,
+        XvShmImageHandle,
+        CoreImageHandle,
+        UserHandle = 1000
+    };
+
+    enum MapMode
+    {
+        NotMapped = 0x00,
+        ReadOnly  = 0x01,
+        WriteOnly = 0x02,
+        ReadWrite = ReadOnly | WriteOnly
+    };
+
+    QAbstractVideoBuffer(HandleType type);
+    virtual ~QAbstractVideoBuffer();
+
+    HandleType handleType() const;
+
+    virtual MapMode mapMode() const = 0;
+
+    virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0;
+    virtual void unmap() = 0;
+
+    virtual QVariant handle() const;
+
+protected:
+    QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type);
+
+    QAbstractVideoBufferPrivate *d_ptr;
+
+private:
+    Q_DECLARE_PRIVATE(QAbstractVideoBuffer)
+    Q_DISABLE_COPY(QAbstractVideoBuffer)
+};
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType)
+Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode)
+
+QT_END_HEADER
+
+#endif