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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 2.0 or (at your option) the GNU General
** Public license version 3 or 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.GPL2 and 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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>
QT_BEGIN_NAMESPACE
class QIODevice;
class QPlatformAudioSink : public QObject
{
Q_OBJECT
public:
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 QPlatformAudioSource : public QObject
{
Q_OBJECT
public:
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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