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+/****************************************************************************
+**
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTVIDEOFILTER_H
+#define QABSTRACTVIDEOFILTER_H
+
+#include <QtCore/qobject.h>
+#include <QtMultimedia/qvideoframe.h>
+#include <QtMultimedia/qvideosurfaceformat.h>
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractVideoFilterPrivate;
+
+class Q_MULTIMEDIA_EXPORT QVideoFilterRunnable
+{
+public:
+    enum RunFlag {
+        LastInChain = 0x01
+    };
+    Q_DECLARE_FLAGS(RunFlags, RunFlag)
+
+    virtual ~QVideoFilterRunnable();
+    virtual QVideoFrame run(QVideoFrame *input, const QVideoSurfaceFormat &surfaceFormat, RunFlags flags) = 0;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QVideoFilterRunnable::RunFlags)
+
+class Q_MULTIMEDIA_EXPORT QAbstractVideoFilter : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
+
+public:
+    QAbstractVideoFilter(QObject *parent = 0);
+    ~QAbstractVideoFilter();
+
+    bool isActive() const;
+    void setActive(bool v);
+
+    virtual QVideoFilterRunnable *createFilterRunnable() = 0;
+
+Q_SIGNALS:
+    void activeChanged();
+
+private:
+    Q_DECLARE_PRIVATE(QAbstractVideoFilter)
+    Q_DISABLE_COPY(QAbstractVideoFilter)
+
+    QAbstractVideoFilterPrivate *d_ptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QABSTRACTVIDEOFILTER_H