/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtMultimedia module of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

**

** 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

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****************************************************************************/

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#ifndef QAUDIODEVICEINFO_SYMBIAN_P_H

#define QAUDIODEVICEINFO_SYMBIAN_P_H

#include <QtCore/QMap>

#include <QtMultimedia/qaudioengine.h>

#include <sounddevice.h>

QT_BEGIN_NAMESPACE

namespace SymbianAudio {

class DevSoundWrapper;

}

class QAudioDeviceInfoInternal

    :   public QAbstractAudioDeviceInfo

{

    Q_OBJECT

public:

    QAudioDeviceInfoInternal(QByteArray device, QAudio::Mode mode);

    ~QAudioDeviceInfoInternal();

    // QAbstractAudioDeviceInfo

    QAudioFormat preferredFormat() const;

    bool isFormatSupported(const QAudioFormat &format) const;

    QAudioFormat nearestFormat(const QAudioFormat &format) const;

    QString deviceName() const;

    QStringList codecList();

    QList<int> frequencyList();

    QList<int> channelsList();

    QList<int> sampleSizeList();

    QList<QAudioFormat::Endian> byteOrderList();

    QList<QAudioFormat::SampleType> sampleTypeList();

    static QByteArray defaultInputDevice();

    static QByteArray defaultOutputDevice();

    static QList<QByteArray> availableDevices(QAudio::Mode);

private slots:

    void devsoundInitializeComplete(int err);

private:

    void getSupportedFormats() const;

private:

    mutable bool m_initializing;

    int m_intializationResult;

    QString m_deviceName;

    QAudio::Mode m_mode;

    struct Capabilities

    {

        QList<int> m_frequencies;

        QList<int> m_channels;

        QList<int> m_sampleSizes;

        QList<QAudioFormat::Endian> m_byteOrders;

        QList<QAudioFormat::SampleType> m_sampleTypes;

    };

    // Mutable to allow lazy initialization when called from const-qualified

    // public functions (isFormatSupported, nearestFormat)

    mutable bool m_updated;

    mutable QMap<QString, Capabilities> m_capabilities;

    mutable Capabilities m_unionCapabilities;

};

QT_END_NAMESPACE

#endif