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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Spatial Audio module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-NOGPL2$
** 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 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSPATIALAUDIOENGINE_H
#define QSPATIALAUDIOENGINE_H
#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QSpatialAudioEnginePrivate;
class QAudioDevice;
class Q_MULTIMEDIA_EXPORT QSpatialAudioEngine : 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:
explicit QSpatialAudioEngine(QObject *parent = nullptr, int sampleRate = 44100);
~QSpatialAudioEngine();
enum OutputMode {
Normal,
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 start();
void stop();
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 pause() { setPaused(true); }
void resume() { setPaused(false); }
private:
friend class QSpatialAudioEnginePrivate;
QSpatialAudioEnginePrivate *d;
};
QT_END_NAMESPACE
#endif
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