809bbc35c6
Change-Id: I5eebe662ecbce9814ed3e763db56df9be737d11f Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
140 lines
4.0 KiB
C++
140 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSOUNDINSTANCE_P_H
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#define QSOUNDINSTANCE_P_H
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#include <QVector3D>
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#include <QObject>
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#include "qsoundsource_p.h"
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class QDeclarativeSound;
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class QDeclarativeAudioEngine;
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class QSoundInstance : public QObject
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{
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Q_OBJECT
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public:
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explicit QSoundInstance(QObject *parent);
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~QSoundInstance();
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void play();
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enum State
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{
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StopppedState = QSoundSource::StoppedState,
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PlayingState = QSoundSource::PlayingState,
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PausedState = QSoundSource::PausedState
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};
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State state() const;
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void setPosition(const QVector3D& position);
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void setDirection(const QVector3D& direction);
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void setVelocity(const QVector3D& velocity);
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//this gain and pitch is used for dynamic user control during execution
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void setGain(qreal gain);
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void setPitch(qreal pitch);
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void setCone(qreal innerAngle, qreal outerAngle, qreal outerGain);
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//this varPitch and varGain is calculated from config in PlayVariation
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void updateVariationParameters(qreal varPitch, qreal varGain, bool looping);
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void bindSoundDescription(QDeclarativeSound *sound);
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void update3DVolume(const QVector3D& listenerPosition);
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bool attenuationEnabled() const;
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Q_SIGNALS:
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void stateChanged(QSoundInstance::State state);
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public Q_SLOTS:
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void pause();
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void stop();
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private Q_SLOTS:
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void resume();
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void bufferReady();
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void categoryVolumeChanged();
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void handleSourceStateChanged(QSoundSource::State);
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private:
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void setState(State state);
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void prepareNewVariation();
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void detach();
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qreal categoryVolume() const;
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void updatePitch();
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void updateGain();
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void updateConeOuterGain();
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void sourcePlay();
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void sourcePause();
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void sourceStop();
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QSoundSource *m_soundSource;
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QSoundBuffer *m_bindBuffer;
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QDeclarativeSound *m_sound;
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int m_variationIndex;
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bool m_isReady; //true if the sound source is already bound to some sound buffer
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qreal m_gain;
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qreal m_attenuationGain;
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qreal m_varGain;
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qreal m_pitch;
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qreal m_varPitch;
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State m_state;
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qreal m_coneOuterGain;
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QDeclarativeAudioEngine *m_engine;
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QSOUNDINSTANCE_P_H
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