Replace QSoundEffect backend using qmedia with qaudiooutput implementation

- Use backend built on QAudioOutput
- Fixed unit test so backend will pass

Change-Id: I2f2a7d8bf382127c5a5c333d6e36c79169754b4e
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
Reviewed-by: Kurt Korbatits  <kurt.korbatits@nokia.com>

src/multimedia/audio/qsoundeffect_qaudio_p.h

@@ -0,0 +1,158 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOUNDEFFECT_QAUDIO_H
+#define QSOUNDEFFECT_QAUDIO_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qobject.h>
+#include <QtCore/qurl.h>
+#include "qaudiooutput.h"
+#include "qsamplecache_p.h"
+#include "qsoundeffect.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Multimedia)
+
+class QSoundEffectPrivate;
+
+class PrivateSoundSource : public QIODevice
+{
+    friend class QSoundEffectPrivate;
+    Q_OBJECT
+public:
+    PrivateSoundSource(QSoundEffectPrivate* s);
+    ~PrivateSoundSource() {}
+
+    qint64 readData( char* data, qint64 len);
+    qint64 writeData(const char* data, qint64 len);
+
+private Q_SLOTS:
+    void sampleReady();
+    void decoderError();
+    void stateChanged(QAudio::State);
+
+private:
+    QUrl           m_url;
+    int            m_loopCount;
+    int            m_runningCount;
+    bool           m_playing;
+    QSoundEffect::Status  m_status;
+    QAudioOutput   *m_audioOutput;
+    QSample        *m_sample;
+    bool           m_muted;
+    int            m_volume;
+    bool           m_sampleReady;
+    qint64         m_offset;
+    QString        m_category;
+
+    QSoundEffectPrivate *soundeffect;
+};
+
+
+class QSoundEffectPrivate : public QObject
+{
+    friend class PrivateSoundSource;
+    Q_OBJECT
+public:
+
+    explicit QSoundEffectPrivate(QObject* parent);
+    ~QSoundEffectPrivate();
+
+    static QStringList supportedMimeTypes();
+
+    QUrl source() const;
+    void setSource(const QUrl &url);
+    int loopCount() const;
+    int loopsRemaining() const;
+    void setLoopCount(int loopCount);
+    int volume() const;
+    void setVolume(int volume);
+    bool isMuted() const;
+    void setMuted(bool muted);
+    bool isLoaded() const;
+    bool isPlaying() const;
+    QSoundEffect::Status status() const;
+
+    void release();
+
+    QString category() const;
+    void setCategory(const QString &);
+
+public Q_SLOTS:
+    void play();
+    void stop();
+
+Q_SIGNALS:
+    void loopsRemainingChanged();
+    void volumeChanged();
+    void mutedChanged();
+    void loadedChanged();
+    void playingChanged();
+    void statusChanged();
+    void categoryChanged();
+
+private:
+    void setStatus(QSoundEffect::Status status);
+    void setPlaying(bool playing);
+    void setLoopsRemaining(int loopsRemaining);
+
+    PrivateSoundSource* d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSOUNDEFFECT_QAUDIO_H