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| |
| #ifndef QSOUNDINSTANCE_P_H |
| #define QSOUNDINSTANCE_P_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 <QVector3D> |
| #include <QObject> |
| #include "qsoundsource_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QDeclarativeSound; |
| class QDeclarativeAudioEngine; |
| |
| class QSoundInstance : public QObject |
| { |
| Q_OBJECT |
| public: |
| explicit QSoundInstance(QObject *parent); |
| ~QSoundInstance(); |
| |
| void play(); |
| |
| enum State |
| { |
| StoppedState = QSoundSource::StoppedState, |
| PlayingState = QSoundSource::PlayingState, |
| PausedState = QSoundSource::PausedState |
| }; |
| State state() const; |
| |
| void setPosition(const QVector3D& position); |
| void setDirection(const QVector3D& direction); |
| void setVelocity(const QVector3D& velocity); |
| |
| //this gain and pitch is used for dynamic user control during execution |
| void setGain(qreal gain); |
| void setPitch(qreal pitch); |
| void setCone(qreal innerAngle, qreal outerAngle, qreal outerGain); |
| |
| //this varPitch and varGain is calculated from config in PlayVariation |
| void updateVariationParameters(qreal varPitch, qreal varGain, bool looping); |
| |
| void bindSoundDescription(QDeclarativeSound *sound); |
| |
| void update3DVolume(const QVector3D& listenerPosition); |
| |
| bool attenuationEnabled() const; |
| |
| Q_SIGNALS: |
| void stateChanged(QSoundInstance::State state); |
| |
| public Q_SLOTS: |
| void pause(); |
| void stop(); |
| |
| private Q_SLOTS: |
| void resume(); |
| void bufferReady(); |
| void categoryVolumeChanged(); |
| void handleSourceStateChanged(QSoundSource::State); |
| |
| private: |
| void setState(State state); |
| void prepareNewVariation(); |
| void detach(); |
| qreal categoryVolume() const; |
| void updatePitch(); |
| void updateGain(); |
| void updateConeOuterGain(); |
| |
| void sourcePlay(); |
| void sourcePause(); |
| void sourceStop(); |
| |
| QSoundSource *m_soundSource; |
| QSoundBuffer *m_bindBuffer; |
| |
| QDeclarativeSound *m_sound; |
| int m_variationIndex; |
| |
| bool m_isReady; //true if the sound source is already bound to some sound buffer |
| qreal m_gain; |
| qreal m_attenuationGain; |
| qreal m_varGain; |
| qreal m_pitch; |
| qreal m_varPitch; |
| State m_state; |
| qreal m_coneOuterGain; |
| |
| QDeclarativeAudioEngine *m_engine; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSOUNDINSTANCE_P_H |