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