Add AudioEngine with new implementation

Change-Id: I5eebe662ecbce9814ed3e763db56df9be737d11f
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

src/imports/audioengine/qaudioengine_p.cpp

@@ -0,0 +1,198 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins 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.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qaudioengine_p.h"
+#include "qsoundsource_p.h"
+#include "qdebug.h"
+
+#include "qaudioengine_openal_p.h"
+
+#define DEBUG_AUDIOENGINE
+
+QT_USE_NAMESPACE
+
+QSoundSource::QSoundSource(QObject *parent)
+    : QObject(parent)
+{
+}
+
+QSoundBuffer::QSoundBuffer(QObject *parent)
+    : QObject(parent)
+{
+}
+
+QAudioEngine* QAudioEngine::create(QObject *parent)
+{
+    return new QAudioEngine(parent);
+}
+
+QAudioEngine::QAudioEngine(QObject *parent)
+    : QObject(parent)
+    , m_listenerUp(0, 0, 1)
+    , m_listenerDirection(0, 1, 0)
+{
+    d = new QAudioEnginePrivate(this);
+    connect(d, SIGNAL(isLoadingChanged()), this, SIGNAL(isLoadingChanged()));
+    setDopplerFactor(1);
+    setSpeedOfSound(qreal(343.33));
+    updateListenerOrientation();
+}
+
+QAudioEngine::~QAudioEngine()
+{
+#ifdef DEBUG_AUDIOENGINE
+    qDebug() << "QAudioEngine::dtor";
+#endif
+}
+
+QSoundBuffer* QAudioEngine::getStaticSoundBuffer(const QUrl& url)
+{
+    return d->getStaticSoundBuffer(url);
+}
+
+void QAudioEngine::releaseSoundBuffer(QSoundBuffer *buffer)
+{
+    d->releaseSoundBuffer(buffer);
+}
+
+QSoundSource* QAudioEngine::createSoundSource()
+{
+    return d->createSoundSource();
+}
+
+void QAudioEngine::releaseSoundSource(QSoundSource *soundInstance)
+{
+    d->releaseSoundSource(soundInstance);
+}
+
+bool QAudioEngine::isLoading() const
+{
+    return d->isLoading();
+}
+
+QVector3D QAudioEngine::listenerPosition() const
+{
+    return d->listenerPosition();
+}
+
+QVector3D QAudioEngine::listenerDirection() const
+{
+    return m_listenerDirection;
+}
+
+QVector3D QAudioEngine::listenerUp() const
+{
+    return m_listenerUp;
+}
+
+qreal QAudioEngine::listenerGain() const
+{
+    return d->listenerGain();
+}
+
+QVector3D QAudioEngine::listenerVelocity() const
+{
+    return d->listenerVelocity();
+}
+
+void QAudioEngine::setListenerPosition(const QVector3D& position)
+{
+    d->setListenerPosition(position);
+}
+
+void QAudioEngine::setListenerVelocity(const QVector3D& velocity)
+{
+    d->setListenerVelocity(velocity);
+}
+
+void QAudioEngine::setListenerDirection(const QVector3D& direction)
+{
+    if (m_listenerDirection == direction)
+        return;
+    m_listenerDirection = direction;
+    updateListenerOrientation();
+}
+
+void QAudioEngine::setListenerUp(const QVector3D& up)
+{
+    if (m_listenerUp == up)
+        return;
+    m_listenerUp = up;
+    updateListenerOrientation();
+}
+
+void QAudioEngine::updateListenerOrientation()
+{
+    QVector3D dir = m_listenerDirection;
+    QVector3D up = m_listenerUp;
+    dir.normalize();
+    up.normalize();
+    QVector3D u = up - dir * QVector3D::dotProduct(dir, up);
+    u.normalize();
+    d->setListenerOrientation(dir, u);
+}
+
+void QAudioEngine::setListenerGain(qreal gain)
+{
+    d->setListenerGain(gain);
+}
+
+qreal QAudioEngine::dopplerFactor() const
+{
+    return m_dopplerFactor;
+}
+
+void QAudioEngine::setDopplerFactor(qreal dopplerFactor)
+{
+    m_dopplerFactor = dopplerFactor;
+    d->setDopplerFactor(dopplerFactor);
+}
+
+qreal QAudioEngine::speedOfSound() const
+{
+    return m_speedOfSound;
+}
+
+void QAudioEngine::setSpeedOfSound(qreal speedOfSound)
+{
+    m_speedOfSound = speedOfSound;
+    d->setSpeedOfSound(speedOfSound);
+}