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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QAUDIOSYSTEM_H
#define QAUDIOSYSTEM_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 <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qaudio.h>
#include <QtMultimedia/qaudioformat.h>
#include <QtMultimedia/qaudiodevice.h>
#include <QtCore/qelapsedtimer.h>
#include <QtCore/private/qglobal_p.h>
QT_BEGIN_NAMESPACE
class QIODevice;
class Q_MULTIMEDIA_EXPORT QPlatformAudioSink : public QObject
{
Q_OBJECT
public:
QPlatformAudioSink(QObject *parent) : QObject(parent) {}
virtual void start(QIODevice *device) = 0;
virtual QIODevice* start() = 0;
virtual void stop() = 0;
virtual void reset() = 0;
virtual void suspend() = 0;
virtual void resume() = 0;
virtual qsizetype bytesFree() const = 0;
virtual void setBufferSize(qsizetype value) = 0;
virtual qsizetype bufferSize() const = 0;
virtual qint64 processedUSecs() const = 0;
virtual QAudio::Error error() const = 0;
virtual QAudio::State state() const = 0;
virtual void setFormat(const QAudioFormat& fmt) = 0;
virtual QAudioFormat format() const = 0;
virtual void setVolume(qreal) {}
virtual qreal volume() const { return 1.0; }
QElapsedTimer elapsedTime;
Q_SIGNALS:
void errorChanged(QAudio::Error error);
void stateChanged(QAudio::State state);
};
class Q_MULTIMEDIA_EXPORT QPlatformAudioSource : public QObject
{
Q_OBJECT
public:
QPlatformAudioSource(QObject *parent) : QObject(parent) {}
virtual void start(QIODevice *device) = 0;
virtual QIODevice* start() = 0;
virtual void stop() = 0;
virtual void reset() = 0;
virtual void suspend() = 0;
virtual void resume() = 0;
virtual qsizetype bytesReady() const = 0;
virtual void setBufferSize(qsizetype value) = 0;
virtual qsizetype bufferSize() const = 0;
virtual qint64 processedUSecs() const = 0;
virtual QAudio::Error error() const = 0;
virtual QAudio::State state() const = 0;
virtual void setFormat(const QAudioFormat& fmt) = 0;
virtual QAudioFormat format() const = 0;
virtual void setVolume(qreal) = 0;
virtual qreal volume() const = 0;
QElapsedTimer elapsedTime;
Q_SIGNALS:
void errorChanged(QAudio::Error error);
void stateChanged(QAudio::State state);
};
QT_END_NAMESPACE
#endif // QAUDIOSYSTEM_H
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