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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  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 QALSAAUDIODEVICEINFO_H
#define QALSAAUDIODEVICEINFO_H

#include <alsa/asoundlib.h>

#include <QtCore/qbytearray.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qlist.h>
#include <QtCore/qdebug.h>

#include <QtMultimedia/qaudio.h>
#include <QtMultimedia/qaudiodeviceinfo.h>
#include <QtMultimedia/qaudiosystem.h>

QT_BEGIN_NAMESPACE


const unsigned int MAX_SAMPLE_RATES = 5;
const unsigned int SAMPLE_RATES[] =
    { 8000, 11025, 22050, 44100, 48000 };

class QAlsaAudioDeviceInfo : public QAbstractAudioDeviceInfo
{
    Q_OBJECT
public:
    QAlsaAudioDeviceInfo(QByteArray dev,QAudio::Mode mode);
    ~QAlsaAudioDeviceInfo();

    bool testSettings(const QAudioFormat& format) const;
    void updateLists();
    QAudioFormat preferredFormat() const;
    bool isFormatSupported(const QAudioFormat& format) const;
    QString deviceName() const;
    QStringList supportedCodecs();
    QList<int> supportedSampleRates();
    QList<int> supportedChannelCounts();
    QList<int> supportedSampleSizes();
    QList<QAudioFormat::Endian> supportedByteOrders();
    QList<QAudioFormat::SampleType> supportedSampleTypes();
    static QByteArray defaultDevice(QAudio::Mode mode);
    static QList<QByteArray> availableDevices(QAudio::Mode);
    static QString deviceFromCardName(const QString &card);

private:
    bool open();
    void close();

    void checkSurround();
    bool surround40;
    bool surround51;
    bool surround71;

    QString device;
    QAudio::Mode mode;
    QAudioFormat nearest;
    QList<int> sampleRatez;
    QList<int> channelz;
    QList<int> sizez;
    QList<QAudioFormat::Endian> byteOrderz;
    QStringList codecz;
    QList<QAudioFormat::SampleType> typez;
    snd_pcm_t* handle;
    snd_pcm_hw_params_t *params;
};

QT_END_NAMESPACE


#endif // QALSAAUDIODEVICEINFO_H