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diff --git a/src/plugins/gstreamer/qvideosurfacegstsink.h b/src/plugins/gstreamer/qvideosurfacegstsink.h
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+++ b/src/plugins/gstreamer/qvideosurfacegstsink.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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef VIDEOSURFACEGSTSINK_H
+#define VIDEOSURFACEGSTSINK_H
+
+#include <gst/video/gstvideosink.h>
+
+#include <QtCore/qlist.h>
+#include <QtCore/qmutex.h>
+#include <QtCore/qqueue.h>
+#include <QtCore/qpointer.h>
+#include <QtCore/qwaitcondition.h>
+#include <qvideosurfaceformat.h>
+#include <qvideoframe.h>
+#include <qabstractvideobuffer.h>
+
+#include "qabstractgstbufferpool.h"
+
+QT_BEGIN_NAMESPACE
+class QAbstractVideoSurface;
+QT_END_NAMESPACE
+
+#if defined(Q_WS_X11) && !defined(QT_NO_XVIDEO)
+class QGstXvImageBuffer;
+class QGstXvImageBufferPool;
+#endif
+
+class QVideoSurfaceGstDelegate : public QObject
+{
+    Q_OBJECT
+public:
+    QVideoSurfaceGstDelegate(QAbstractVideoSurface *surface);
+    ~QVideoSurfaceGstDelegate();
+
+    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
+            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
+
+    QVideoSurfaceFormat surfaceFormat() const;
+
+    bool start(const QVideoSurfaceFormat &format, int bytesPerLine);
+    void stop();
+
+    bool isActive();
+
+    QAbstractGstBufferPool *pool() { return m_pool; }
+    QMutex *poolMutex() { return &m_poolMutex; }
+
+    GstFlowReturn render(GstBuffer *buffer);
+
+private slots:
+    void queuedStart();
+    void queuedStop();
+    void queuedRender();
+
+    void updateSupportedFormats();
+
+private:
+    QPointer<QAbstractVideoSurface> m_surface;
+    QList<QVideoFrame::PixelFormat> m_supportedPixelFormats;
+    //pixel formats of buffers pool native type
+    QList<QVideoFrame::PixelFormat> m_supportedPoolPixelFormats;
+    QAbstractGstBufferPool *m_pool;
+    QList<QAbstractGstBufferPool *> m_pools;
+    QMutex m_poolMutex;
+    QMutex m_mutex;
+    QWaitCondition m_setupCondition;
+    QWaitCondition m_renderCondition;
+    QVideoSurfaceFormat m_format;
+    QVideoFrame m_frame;
+    GstFlowReturn m_renderReturn;
+    int m_bytesPerLine;
+    bool m_started;
+};
+
+class QVideoSurfaceGstSink
+{
+public:
+    GstVideoSink parent;
+
+    static QVideoSurfaceGstSink *createSink(QAbstractVideoSurface *surface);
+    static QVideoSurfaceFormat formatForCaps(GstCaps *caps, int *bytesPerLine = 0);
+
+private:
+    static GType get_type();
+    static void class_init(gpointer g_class, gpointer class_data);
+    static void base_init(gpointer g_class);
+    static void instance_init(GTypeInstance *instance, gpointer g_class);
+
+    static void finalize(GObject *object);
+
+    static GstStateChangeReturn change_state(GstElement *element, GstStateChange transition);
+
+    static GstCaps *get_caps(GstBaseSink *sink);
+    static gboolean set_caps(GstBaseSink *sink, GstCaps *caps);
+
+    static GstFlowReturn buffer_alloc(
+            GstBaseSink *sink, guint64 offset, guint size, GstCaps *caps, GstBuffer **buffer);
+
+    static gboolean start(GstBaseSink *sink);
+    static gboolean stop(GstBaseSink *sink);
+
+    static gboolean unlock(GstBaseSink *sink);
+
+    static gboolean event(GstBaseSink *sink, GstEvent *event);
+    static GstFlowReturn preroll(GstBaseSink *sink, GstBuffer *buffer);
+    static GstFlowReturn render(GstBaseSink *sink, GstBuffer *buffer);
+
+private:
+    QVideoSurfaceGstDelegate *delegate;
+
+    GstCaps *lastRequestedCaps;
+    GstCaps *lastBufferCaps;
+    QVideoSurfaceFormat *lastSurfaceFormat;
+};
+
+
+class QVideoSurfaceGstSinkClass
+{
+public:
+    GstVideoSinkClass parent_class;
+};
+
+#endif