| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QAUDIOENGINE_P_H |
| 5 | #define QAUDIOENGINE_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists for the convenience |
| 12 | // of other Qt classes. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtSpatialAudio/qaudioengine.h> |
| 19 | #include <QtSpatialAudio/private/qtspatialaudioglobal_p.h> |
| 20 | #include <QtMultimedia/qaudiodevice.h> |
| 21 | #include <QtCore/qthread.h> |
| 22 | #include <QtCore/qtclasshelpermacros.h> |
| 23 | #include <QtCore/qmutex.h> |
| 24 | |
| 25 | namespace vraudio { |
| 26 | class ResonanceAudio; |
| 27 | } // namespace vraudio |
| 28 | |
| 29 | QT_BEGIN_NAMESPACE |
| 30 | |
| 31 | class QSpatialSound; |
| 32 | class QAmbientSound; |
| 33 | class QAudioOutputStream; |
| 34 | class QAudioRoom; |
| 35 | class QAudioListener; |
| 36 | class QAudioEngine; |
| 37 | |
| 38 | class QAudioEnginePrivate |
| 39 | { |
| 40 | public: |
| 41 | static QAudioEnginePrivate *get(QAudioEngine *engine) { return engine ? engine->d : nullptr; } |
| 42 | |
| 43 | static constexpr int bufferSize = 128; |
| 44 | |
| 45 | explicit QAudioEnginePrivate(QAudioEngine *); |
| 46 | Q_DISABLE_COPY_MOVE(QAudioEnginePrivate) |
| 47 | ~QAudioEnginePrivate(); |
| 48 | |
| 49 | std::unique_ptr<vraudio::ResonanceAudio> resonanceAudio; |
| 50 | int sampleRate = 44100; |
| 51 | float masterVolume = 1.; |
| 52 | QAudioEngine::OutputMode outputMode = QAudioEngine::Surround; |
| 53 | bool roomEffectsEnabled = true; |
| 54 | |
| 55 | void start(); |
| 56 | void stop(); |
| 57 | void setPaused(bool paused); |
| 58 | void setOutputDevice(const QAudioDevice &device); |
| 59 | void setOutputMode(QAudioEngine::OutputMode); |
| 60 | |
| 61 | // Resonance Audio uses meters internally, while Qt Quick 3D and our API uses cm by |
| 62 | // default. To make things independent from the scale setting, we store all distances in |
| 63 | // meters internally and convert in the setters and getters. |
| 64 | float distanceScale = 0.01f; |
| 65 | |
| 66 | QMutex mutex; |
| 67 | QAudioDevice device; |
| 68 | QAtomicInteger<bool> paused = false; |
| 69 | |
| 70 | QThread audioThread; |
| 71 | std::unique_ptr<QAudioOutputStream> outputStream; |
| 72 | |
| 73 | QAudioListener *listener = nullptr; |
| 74 | QList<QSpatialSound *> sources; |
| 75 | QList<QAmbientSound *> stereoSources; |
| 76 | QList<QAudioRoom *> rooms; |
| 77 | mutable bool listenerPositionDirty = true; |
| 78 | QAudioRoom *currentRoom = nullptr; |
| 79 | |
| 80 | void addSpatialSound(QSpatialSound *sound); |
| 81 | void removeSpatialSound(QSpatialSound *sound); |
| 82 | void addStereoSound(QAmbientSound *sound); |
| 83 | void removeStereoSound(QAmbientSound *sound); |
| 84 | |
| 85 | void addRoom(QAudioRoom *room); |
| 86 | void removeRoom(QAudioRoom *room); |
| 87 | void updateRooms(); |
| 88 | |
| 89 | QVector3D listenerPosition() const; |
| 90 | QAudioEngine *q; |
| 91 | }; |
| 92 | |
| 93 | QT_END_NAMESPACE |
| 94 | |
| 95 | #endif |
| 96 |