--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/audiooutput/audiooutput.h	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** 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 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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <math.h>
+
+#include <QObject>
+#include <QMainWindow>
+#include <QIODevice>
+#include <QTimer>
+#include <QPushButton>
+#include <QComboBox>
+#include <QByteArray>
+
+#include <qaudiooutput.h>
+
+class Generator : public QIODevice
+{
+    Q_OBJECT
+public:
+    Generator(const QAudioFormat &format, qint64 durationUs, int frequency, QObject *parent);
+    ~Generator();
+
+    void start();
+    void stop();
+
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+    qint64 bytesAvailable() const;
+
+private:
+    void generateData(const QAudioFormat &format, qint64 durationUs, int frequency);
+
+private:
+    qint64 m_pos;
+    QByteArray m_buffer;
+};
+
+class AudioTest : public QMainWindow
+{
+    Q_OBJECT
+public:
+    AudioTest();
+    ~AudioTest();
+
+private:
+    void initializeWindow();
+    void initializeAudio();
+    void createAudioOutput();
+
+private:
+    QTimer*          m_pullTimer;
+
+    // Owned by layout
+    QPushButton*     m_modeButton;
+    QPushButton*     m_suspendResumeButton;
+    QComboBox*       m_deviceBox;
+
+    QAudioDeviceInfo m_device;
+    Generator*       m_generator;
+    QAudioOutput*    m_audioOutput;
+    QIODevice*       m_output; // not owned
+    QAudioFormat     m_format;
+
+    bool             m_pullMode;
+    QByteArray       m_buffer;
+
+    static const QString PushModeLabel;
+    static const QString PullModeLabel;
+    static const QString SuspendLabel;
+    static const QString ResumeLabel;
+
+private slots:
+    void notified();
+    void pullTimerExpired();
+    void toggleMode();
+    void toggleSuspendResume();
+    void stateChanged(QAudio::State state);
+    void deviceChanged(int index);
+};
+