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diff --git a/src/multimedia/qmediasource.h b/src/multimedia/qmediasource.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QABSTRACTMEDIASOURCE_H
+#define QABSTRACTMEDIASOURCE_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qstringlist.h>
+
+#include <QtMultimedia/qtmultimediaglobal.h>
+#include <QtMultimedia/qmultimedia.h>
+
+QT_BEGIN_NAMESPACE
+
+
+class QMediaService;
+class QMediaSink;
+
+class QMediaSourcePrivate;
+class Q_MULTIMEDIA_EXPORT QMediaSource : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int notifyInterval READ notifyInterval WRITE setNotifyInterval NOTIFY notifyIntervalChanged)
+public:
+    ~QMediaSource();
+
+    virtual bool isAvailable() const;
+    virtual QMultimedia::AvailabilityStatus availability() const;
+
+    virtual QMediaService* service() const;
+
+    int notifyInterval() const;
+    void setNotifyInterval(int milliSeconds);
+
+    virtual bool bind(QObject *);
+    virtual void unbind(QObject *);
+
+    bool isMetaDataAvailable() const;
+
+    QVariant metaData(const QString &key) const;
+    QStringList availableMetaData() const;
+
+Q_SIGNALS:
+    void notifyIntervalChanged(int milliSeconds);
+
+    void metaDataAvailableChanged(bool available);
+    void metaDataChanged();
+    void metaDataChanged(const QString &key, const QVariant &value);
+
+protected:
+    QMediaSource(QObject *parent, QMediaService *service);
+    QMediaSource(QMediaSourcePrivate &dd, QObject *parent, QMediaService *service);
+
+    void addPropertyWatch(QByteArray const &name);
+    void removePropertyWatch(QByteArray const &name);
+
+private:
+    void setupControls();
+
+    Q_DECLARE_PRIVATE(QMediaSource)
+    Q_PRIVATE_SLOT(d_func(), void _q_notify())
+};
+
+
+QT_END_NAMESPACE
+
+
+#endif  // QABSTRACTMEDIASOURCE_H