diff options
Diffstat (limited to 'src/imports/audioengine/qaudioengine_openal_p.h')
| -rw-r--r-- | src/imports/audioengine/qaudioengine_openal_p.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/imports/audioengine/qaudioengine_openal_p.h b/src/imports/audioengine/qaudioengine_openal_p.h new file mode 100644 index 000000000..bac62189a --- /dev/null +++ b/src/imports/audioengine/qaudioengine_openal_p.h @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** 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. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QAUDIOENGINE_OPENAL_P_H +#define QAUDIOENGINE_OPENAL_P_H + +#include <QObject> +#include <QList> +#include <QMap> +#include <QTimer> + +#include <AL/al.h> +#include <AL/alc.h> + +#include "qsoundsource_p.h" +#include "qsoundbuffer_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QSoundBufferPrivateAL : public QSoundBuffer +{ + Q_OBJECT +public: + QSoundBufferPrivateAL(QObject* parent); + virtual void bindToSource(ALuint alSource) = 0; + virtual void unbindFromSource(ALuint alSource) = 0; +}; + +class QSoundSourcePrivate : public QSoundSource +{ + Q_OBJECT +public: + QSoundSourcePrivate(QObject *parent); + ~QSoundSourcePrivate(); + + void play(); + void pause(); + void stop(); + + QSoundSource::State state() const; + + bool isLooping() const; + void setLooping(bool looping); + void setPosition(const QVector3D& position); + void setDirection(const QVector3D& direction); + void setVelocity(const QVector3D& velocity); + + QVector3D velocity() const; + QVector3D position() const; + QVector3D direction() const; + + void setGain(qreal gain); + void setPitch(qreal pitch); + void setCone(qreal innerAngle, qreal outerAngle, qreal outerGain); + + void bindBuffer(QSoundBuffer*); + void unbindBuffer(); + + void checkState(); + + void release(); + +Q_SIGNALS: + void activate(QObject*); + +private: + void sourcePlay(); + void sourcePause(); + + ALuint m_alSource; + QSoundBufferPrivateAL *m_bindBuffer; + bool m_isReady; //true if the sound source is already bound to some sound buffer + QSoundSource::State m_state; + qreal m_gain; + qreal m_pitch; + qreal m_coneInnerAngle; + qreal m_coneOuterAngle; + qreal m_coneOuterGain; +}; + +class QSampleCache; +class QAudioEnginePrivate : public QObject +{ + Q_OBJECT +public: + QAudioEnginePrivate(QObject *parent); + ~QAudioEnginePrivate(); + + bool isLoading() const; + + QSoundSource* createSoundSource(); + void releaseSoundSource(QSoundSource *soundInstance); + QSoundBuffer* getStaticSoundBuffer(const QUrl& url); + void releaseSoundBuffer(QSoundBuffer *buffer); + + QVector3D listenerPosition() const; + QVector3D listenerVelocity() const; + qreal listenerGain() const; + void setListenerPosition(const QVector3D& position); + void setListenerVelocity(const QVector3D& velocity); + void setListenerOrientation(const QVector3D& direction, const QVector3D& up); + void setListenerGain(qreal gain); + void setDopplerFactor(qreal dopplerFactor); + void setSpeedOfSound(qreal speedOfSound); + + static bool checkNoError(const char *msg); + +Q_SIGNALS: + void isLoadingChanged(); + +private Q_SLOTS: + void updateSoundSources(); + void soundSourceActivate(QObject *soundSource); + +private: + QList<QSoundSourcePrivate*> m_activeInstances; + QList<QSoundSourcePrivate*> m_instancePool; + QMap<QUrl, QSoundBufferPrivateAL*> m_staticBufferPool; + + QSampleCache *m_sampleLoader; + QTimer m_updateTimer; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |