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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMultimedia module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QAUDIOENGINE_H
#define QAUDIOENGINE_H
#include <QtCore/qglobal.h>
#include <QtMultimedia/qaudio.h>
#include <QtMultimedia/qaudioformat.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class Q_MULTIMEDIA_EXPORT QAbstractAudioDeviceInfo : public QObject
{
Q_OBJECT
public:
virtual QAudioFormat preferredFormat() const = 0;
virtual bool isFormatSupported(const QAudioFormat &format) const = 0;
virtual QAudioFormat nearestFormat(const QAudioFormat &format) const = 0;
virtual QString deviceName() const = 0;
virtual QStringList codecList() = 0;
virtual QList<int> frequencyList() = 0;
virtual QList<int> channelsList() = 0;
virtual QList<int> sampleSizeList() = 0;
virtual QList<QAudioFormat::Endian> byteOrderList() = 0;
virtual QList<QAudioFormat::SampleType> sampleTypeList() = 0;
};
class Q_MULTIMEDIA_EXPORT QAbstractAudioOutput : public QObject
{
Q_OBJECT
public:
virtual QIODevice* start(QIODevice* device) = 0;
virtual void stop() = 0;
virtual void reset() = 0;
virtual void suspend() = 0;
virtual void resume() = 0;
virtual int bytesFree() const = 0;
virtual int periodSize() const = 0;
virtual void setBufferSize(int value) = 0;
virtual int bufferSize() const = 0;
virtual void setNotifyInterval(int milliSeconds) = 0;
virtual int notifyInterval() const = 0;
virtual qint64 processedUSecs() const = 0;
virtual qint64 elapsedUSecs() const = 0;
virtual QAudio::Error error() const = 0;
virtual QAudio::State state() const = 0;
virtual QAudioFormat format() const = 0;
Q_SIGNALS:
void stateChanged(QAudio::State);
void notify();
};
class Q_MULTIMEDIA_EXPORT QAbstractAudioInput : public QObject
{
Q_OBJECT
public:
virtual QIODevice* start(QIODevice* device) = 0;
virtual void stop() = 0;
virtual void reset() = 0;
virtual void suspend() = 0;
virtual void resume() = 0;
virtual int bytesReady() const = 0;
virtual int periodSize() const = 0;
virtual void setBufferSize(int value) = 0;
virtual int bufferSize() const = 0;
virtual void setNotifyInterval(int milliSeconds) = 0;
virtual int notifyInterval() const = 0;
virtual qint64 processedUSecs() const = 0;
virtual qint64 elapsedUSecs() const = 0;
virtual QAudio::Error error() const = 0;
virtual QAudio::State state() const = 0;
virtual QAudioFormat format() const = 0;
Q_SIGNALS:
void stateChanged(QAudio::State);
void notify();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QAUDIOENGINE_H
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