| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QAUDIOENGINE_H |
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| 5 | #define QAUDIOENGINE_H |
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| 6 | |
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| 7 | #include <QtSpatialAudio/qtspatialaudioglobal.h> |
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| 8 | #include <QtCore/qobject.h> |
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| 9 | |
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| 10 | QT_BEGIN_NAMESPACE |
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| 11 | |
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| 12 | class QAudioEnginePrivate; |
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| 13 | class QAudioDevice; |
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| 14 | |
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| 15 | class Q_SPATIALAUDIO_EXPORT QAudioEngine : public QObject |
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| 16 | { |
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| 17 | Q_OBJECT |
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| 18 | Q_PROPERTY(OutputMode outputMode READ outputMode WRITE setOutputMode NOTIFY outputModeChanged) |
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| 19 | Q_PROPERTY(QAudioDevice outputDevice READ outputDevice WRITE setOutputDevice NOTIFY outputDeviceChanged) |
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| 20 | Q_PROPERTY(float masterVolume READ masterVolume WRITE setMasterVolume NOTIFY masterVolumeChanged) |
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| 21 | Q_PROPERTY(bool paused READ paused WRITE setPaused NOTIFY pausedChanged) |
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| 22 | Q_PROPERTY(float distanceScale READ distanceScale WRITE setDistanceScale NOTIFY distanceScaleChanged) |
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| 23 | public: |
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| 24 | QAudioEngine() : QAudioEngine(nullptr) {}; |
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| 25 | explicit QAudioEngine(QObject *parent) : QAudioEngine(44100, parent) {} |
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| 26 | explicit QAudioEngine(int sampleRate, QObject *parent = nullptr); |
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| 27 | ~QAudioEngine() override; |
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| 28 | |
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| 29 | enum OutputMode { |
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| 30 | Surround, |
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| 31 | Stereo, |
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| 32 | Headphone |
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| 33 | }; |
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| 34 | Q_ENUM(OutputMode) |
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| 35 | |
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| 36 | void setOutputMode(OutputMode mode); |
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| 37 | OutputMode outputMode() const; |
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| 38 | |
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| 39 | int sampleRate() const; |
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| 40 | |
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| 41 | void setOutputDevice(const QAudioDevice &device); |
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| 42 | QAudioDevice outputDevice() const; |
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| 43 | |
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| 44 | void setMasterVolume(float volume); |
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| 45 | float masterVolume() const; |
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| 46 | |
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| 47 | void setPaused(bool paused); |
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| 48 | bool paused() const; |
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| 49 | |
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| 50 | void setRoomEffectsEnabled(bool enabled); |
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| 51 | bool roomEffectsEnabled() const; |
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| 52 | |
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| 53 | static constexpr float DistanceScaleCentimeter = 1.f; |
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| 54 | static constexpr float DistanceScaleMeter = 100.f; |
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| 55 | |
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| 56 | void setDistanceScale(float scale); |
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| 57 | float distanceScale() const; |
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| 58 | |
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| 59 | Q_SIGNALS: |
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| 60 | void outputModeChanged(); |
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| 61 | void outputDeviceChanged(); |
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| 62 | void masterVolumeChanged(); |
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| 63 | void pausedChanged(); |
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| 64 | void distanceScaleChanged(); |
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| 65 | |
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| 66 | public Q_SLOTS: |
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| 67 | void start(); |
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| 68 | void stop(); |
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| 69 | |
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| 70 | void pause() { setPaused(true); } |
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| 71 | void resume() { setPaused(false); } |
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| 72 | |
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| 73 | private: |
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| 74 | friend class QAudioEnginePrivate; |
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| 75 | QAudioEnginePrivate *d; |
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| 76 | }; |
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| 77 | |
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| 78 | QT_END_NAMESPACE |
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| 79 | |
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| 80 | #endif |
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| 81 | |
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