| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the plugins of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QDECLARATIVEAUDIOENGINE_P_H |
| #define QDECLARATIVEAUDIOENGINE_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 <QtQml/qqml.h> |
| #include <QtQml/qqmlcomponent.h> |
| #include <QtQml/qqmlpropertymap.h> |
| #include <QtCore/QMap> |
| #include <QtCore/QList> |
| #include <QTimer> |
| #include "qaudioengine_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QDeclarativeSoundInstance; |
| class QDeclarativeAudioListener; |
| class QDeclarativeAudioCategory; |
| class QDeclarativeAudioSample; |
| class QDeclarativeSound; |
| class QDeclarativePlayVariation; |
| class QAudioCategory; |
| class QDeclarativeAttenuationModel; |
| class QSoundInstance; |
| |
| class QDeclarativeAudioEngine : public QObject, public QQmlParserStatus |
| { |
| Q_OBJECT |
| Q_INTERFACES(QQmlParserStatus) |
| Q_PROPERTY(QQmlListProperty<QObject> bank READ bank CONSTANT) |
| Q_PROPERTY(QObject* categories READ categories CONSTANT) |
| Q_PROPERTY(QObject* samples READ samples CONSTANT) |
| Q_PROPERTY(QObject* sounds READ sounds CONSTANT) |
| Q_PROPERTY(bool loading READ isLoading NOTIFY isLoadingChanged) |
| Q_PROPERTY(int liveInstances READ liveInstanceCount NOTIFY liveInstanceCountChanged) |
| Q_PROPERTY(QDeclarativeAudioListener* listener READ listener CONSTANT) |
| Q_PROPERTY(qreal dopplerFactor READ dopplerFactor WRITE setDopplerFactor) |
| Q_PROPERTY(qreal speedOfSound READ speedOfSound WRITE setSpeedOfSound) |
| Q_CLASSINFO("DefaultProperty", "bank") |
| |
| public: |
| QDeclarativeAudioEngine(QObject *parent = 0); |
| ~QDeclarativeAudioEngine(); |
| |
| void classBegin() override; |
| void componentComplete() override; |
| |
| //This is used for tracking all objects declared inside AudioEngine |
| //see appendFunction |
| QQmlListProperty<QObject> bank(); |
| |
| QObject* categories(); |
| QObject* samples(); |
| QObject* sounds(); |
| |
| QDeclarativeAudioListener* listener() const; |
| |
| qreal dopplerFactor() const; |
| void setDopplerFactor(qreal dopplerFactor); |
| |
| qreal speedOfSound() const; |
| void setSpeedOfSound(qreal speedOfSound); |
| |
| bool isLoading() const; |
| |
| int liveInstanceCount() const; |
| |
| //for child elements |
| bool isReady() const; |
| QAudioEngine* engine() const; |
| |
| //if managed, then the instance should start playing immediately and will be collected |
| //when the playback finished |
| QDeclarativeSoundInstance* newDeclarativeSoundInstance(bool managed); |
| |
| //internal sound instance is different from declarativeSoundInstance |
| //declarative instance is more like a soundInstance helper which can |
| //switch to different sound instance conveniently while sound instance |
| //must be mapped to one sound definition. |
| QSoundInstance* newSoundInstance(const QString &name); |
| void releaseSoundInstance(QSoundInstance* instance); |
| |
| Q_REVISION(1) Q_INVOKABLE void addAudioSample(QDeclarativeAudioSample *); |
| Q_REVISION(1) Q_INVOKABLE void addSound(QDeclarativeSound *); |
| Q_REVISION(1) Q_INVOKABLE void addAudioCategory(QDeclarativeAudioCategory *); |
| Q_REVISION(1) Q_INVOKABLE void addAttenuationModel(QDeclarativeAttenuationModel *); |
| |
| Q_SIGNALS: |
| void ready(); |
| void liveInstanceCountChanged(); |
| void isLoadingChanged(); |
| void finishedLoading(); |
| |
| private Q_SLOTS: |
| void updateSoundInstances(); |
| void handleLoadingChanged(); |
| |
| private: |
| Q_DISABLE_COPY(QDeclarativeAudioEngine); |
| bool m_complete; |
| |
| //see bank() |
| static void appendFunction(QQmlListProperty<QObject> *property, QObject *value); |
| |
| QDeclarativeAudioListener *m_listener; |
| QDeclarativeAudioCategory* m_defaultCategory; |
| QQmlPropertyMap m_categories; |
| QQmlPropertyMap m_samples; |
| QQmlPropertyMap m_sounds; |
| |
| //Use strong type here since no need to for AttenuationModel to be accessible directly by user |
| //after config stage |
| QDeclarativeAttenuationModel *m_defaultAttenuationModel; |
| QMap<QString, QDeclarativeAttenuationModel*> m_attenuationModels; |
| |
| QAudioEngine *m_audioEngine; |
| |
| //for execution stage management |
| QList<QSoundInstance*> m_soundInstancePool; |
| QList<QSoundInstance*> m_activeSoundInstances; |
| |
| QTimer m_updateTimer; |
| QList<QDeclarativeSoundInstance*> m_managedDeclSoundInstances; |
| QList<QDeclarativeSoundInstance*> m_managedDeclSndInstancePool; |
| void releaseManagedDeclarativeSoundInstance(QDeclarativeSoundInstance* declSndInstance); |
| |
| void initAudioSample(QDeclarativeAudioSample *); |
| void initSound(QDeclarativeSound *); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |