qaudioengine.h - mozsearch

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++ // Copyright (C) 2022 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-3.0-only

++

++ #ifndef QAUDIOENGINE_H

++ #define QAUDIOENGINE_H

++

++ #include <QtSpatialAudio/qtspatialaudioglobal.h>

++ #include <QtCore/qobject.h>

++

++ QT_BEGIN_NAMESPACE

++

++ class QAudioEnginePrivate;

++ class QAudioDevice;

++

++ class Q_SPATIALAUDIO_EXPORT QAudioEngine : public QObject

++ {

++     Q_OBJECT

++     Q_PROPERTY(OutputMode outputMode READ outputMode WRITE setOutputMode NOTIFY outputModeChanged)

++     Q_PROPERTY(QAudioDevice outputDevice READ outputDevice WRITE setOutputDevice NOTIFY outputDeviceChanged)

++     Q_PROPERTY(float masterVolume READ masterVolume WRITE setMasterVolume NOTIFY masterVolumeChanged)

++     Q_PROPERTY(bool paused READ paused WRITE setPaused NOTIFY pausedChanged)

++     Q_PROPERTY(float distanceScale READ distanceScale WRITE setDistanceScale NOTIFY distanceScaleChanged)

++ public:

++     QAudioEngine() : QAudioEngine(nullptr) {};

++     explicit QAudioEngine(QObject *parent) : QAudioEngine(44100, parent) {}

++     explicit QAudioEngine(int sampleRate, QObject *parent = nullptr);

++     ~QAudioEngine() override;

++

++     enum OutputMode {

++         Surround,

++         Stereo,

++         Headphone

++     };

++     Q_ENUM(OutputMode)

++

++     void setOutputMode(OutputMode mode);

++     OutputMode outputMode() const;

++

++     int sampleRate() const;

++

++     void setOutputDevice(const QAudioDevice &device);

++     QAudioDevice outputDevice() const;

++

++     void setMasterVolume(float volume);

++     float masterVolume() const;

++

++     void setPaused(bool paused);

++     bool paused() const;

++

++     void setRoomEffectsEnabled(bool enabled);

++     bool roomEffectsEnabled() const;

++

++     static constexpr float DistanceScaleCentimeter = 1.f;

++     static constexpr float DistanceScaleMeter = 100.f;

++

++     void setDistanceScale(float scale);

++     float distanceScale() const;

++

++ Q_SIGNALS:

++     void outputModeChanged();

++     void outputDeviceChanged();

++     void masterVolumeChanged();

++     void pausedChanged();

++     void distanceScaleChanged();

++

++ public Q_SLOTS:

++     void start();

++     void stop();

++

++     void pause() { setPaused(true); }

++     void resume() { setPaused(false); }

++

++ private:

++     Q_DECLARE_PRIVATE(QAudioEngine)

++

++     QT6_ONLY(Q_DECL_UNUSED_MEMBER void *unused = nullptr;) // for ABI compatibility

++ };

++

++ QT_END_NAMESPACE

++

++ #endif