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diff --git a/src/multimedia/audio/qaudiooutput.h b/src/multimedia/audio/qaudiooutput.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 QAUDIOOUTPUT_H
+#define QAUDIOOUTPUT_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qglobal.h>
+
+#include <QtMultimedia/qaudio.h>
+#include <QtMultimedia/qaudioformat.h>
+#include <QtMultimedia/qaudiodeviceinfo.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Multimedia)
+
+
+class QAbstractAudioOutput;
+
+class Q_MULTIMEDIA_EXPORT QAudioOutput : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit QAudioOutput(const QAudioFormat &format = QAudioFormat(), QObject *parent = 0);
+    explicit QAudioOutput(const QAudioDeviceInfo &audioDeviceInfo, const QAudioFormat &format = QAudioFormat(), QObject *parent = 0);
+    ~QAudioOutput();
+
+    QAudioFormat format() const;
+
+    void start(QIODevice *device);
+    QIODevice* start();
+
+    void stop();
+    void reset();
+    void suspend();
+    void resume();
+
+    void setBufferSize(int bytes);
+    int bufferSize() const;
+
+    int bytesFree() const;
+    int periodSize() const;
+
+    void setNotifyInterval(int milliSeconds);
+    int notifyInterval() const;
+
+    qint64 processedUSecs() const;
+    qint64 elapsedUSecs() const;
+
+    QAudio::Error error() const;
+    QAudio::State state() const;
+
+Q_SIGNALS:
+    void stateChanged(QAudio::State);
+    void notify();
+
+private:
+    Q_DISABLE_COPY(QAudioOutput)
+
+    QAbstractAudioOutput* d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QAUDIOOUTPUT_H