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diff --git a/examples/multimedia/audio/audiooutput/audiooutput.h b/examples/multimedia/audio/audiooutput/audiooutput.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <math.h>
+
+#define BUFFER_SIZE 32768
+#define SECONDS 3
+
+#include <QObject>
+#include <QMainWindow>
+#include <QIODevice>
+#include <QTimer>
+#include <QPushButton>
+#include <QComboBox>
+
+#include <QAudioOutput>
+
+class Generator : public QIODevice
+{
+    Q_OBJECT
+public:
+    Generator(QObject *parent);
+    ~Generator();
+
+    void start();
+    void stop();
+
+    char *t;
+    int  len;
+    int  pos;
+    int  total;
+    char *buffer;
+    bool finished;
+    int  chunk_size;
+
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+
+private:
+    int putShort(char *t, unsigned int value);
+    int putLong(char *t, unsigned int value);
+    int fillData(char *start, int frequency, int seconds);
+};
+
+class AudioTest : public QMainWindow
+{
+    Q_OBJECT
+public:
+    AudioTest();
+    ~AudioTest();
+
+    QAudioDeviceId  device;
+    Generator*        gen;
+    QAudioOutput*     audioOutput;
+    QIODevice*        output;
+    QTimer*           timer;
+    QAudioFormat      settings;
+
+    bool              pullMode;
+    char*             buffer;
+
+    QPushButton*      button;
+    QPushButton*      button2;
+    QComboBox*     deviceBox;
+
+private slots:
+    void status();
+    void writeMore();
+    void toggle();
+    void togglePlay();
+    void state(QAudio::State s);
+    void deviceChanged(int idx);
+};
+