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diff --git a/src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h b/src/multimedia/gsttools_headers/qgstvideorendererplugin_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2014 Jolla Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGSTVIDEORENDERERPLUGIN_P_H
+#define QGSTVIDEORENDERERPLUGIN_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <qabstractvideobuffer.h>
+#include <qvideosurfaceformat.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qplugin.h>
+
+#include <gst/gst.h>
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractVideoSurface;
+
+const QLatin1String QGstVideoRendererPluginKey("gstvideorenderer");
+
+class QGstVideoRenderer
+{
+public:
+    virtual ~QGstVideoRenderer() {}
+
+    virtual GstCaps *getCaps(QAbstractVideoSurface *surface) = 0;
+    virtual bool start(QAbstractVideoSurface *surface, GstCaps *caps) = 0;
+    virtual void stop(QAbstractVideoSurface *surface) = 0;  // surface may be null if unexpectedly deleted.
+    virtual bool proposeAllocation(GstQuery *query) = 0;    // may be called from a thread.
+
+    virtual bool present(QAbstractVideoSurface *surface, GstBuffer *buffer) = 0;
+    virtual void flush(QAbstractVideoSurface *surface) = 0; // surface may be null if unexpectedly deleted.
+};
+
+/*
+    Abstract interface for video buffers allocation.
+*/
+class QGstVideoRendererInterface
+{
+public:
+    virtual ~QGstVideoRendererInterface() {}
+
+    virtual QGstVideoRenderer *createRenderer() = 0;
+};
+
+#define QGstVideoRendererInterface_iid "org.qt-project.qt.gstvideorenderer/5.4"
+Q_DECLARE_INTERFACE(QGstVideoRendererInterface, QGstVideoRendererInterface_iid)
+
+class QGstVideoRendererPlugin : public QObject, public QGstVideoRendererInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(QGstVideoRendererInterface)
+public:
+    explicit QGstVideoRendererPlugin(QObject *parent = 0);
+    virtual ~QGstVideoRendererPlugin() {}
+
+    virtual QGstVideoRenderer *createRenderer() = 0;
+
+};
+
+QT_END_NAMESPACE
+
+#endif