centralize and fixup example sources install targets

This follows suit with aeb036e in qtbase.

Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>

examples/multimedia/audiooutput/audiooutput.h

@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef AUDIOOUTPUT_H
+#define AUDIOOUTPUT_H
+
+#include <math.h>
+
+#include <QAudioOutput>
+#include <QByteArray>
+#include <QComboBox>
+#include <QIODevice>
+#include <QLabel>
+#include <QMainWindow>
+#include <QObject>
+#include <QPushButton>
+#include <QSlider>
+#include <QTimer>
+
+class Generator : public QIODevice
+{
+    Q_OBJECT
+
+public:
+    Generator(const QAudioFormat &format, qint64 durationUs, int sampleRate, 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 sampleRate);
+
+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;
+    QLabel *m_volumeLabel;
+    QSlider *m_volumeSlider;
+
+    QAudioDeviceInfo m_device;
+    Generator *m_generator;
+    QAudioOutput *m_audioOutput;
+    QIODevice *m_output; // not owned
+    QAudioFormat m_format;
+
+    bool m_pullMode;
+    QByteArray m_buffer;
+
+private slots:
+    void notified();
+    void pullTimerExpired();
+    void toggleMode();
+    void toggleSuspendResume();
+    void stateChanged(QAudio::State state);
+    void deviceChanged(int index);
+    void volumeChanged(int);
+};
+
+#endif // AUDIOOUTPUT_H