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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 QAUDIODEVICEINFOALSA_H

#define QAUDIODEVICEINFOALSA_H

#include <alsa/asoundlib.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qstringlist.h>

#include <QtCore/qlist.h>

#include <QtCore/qdebug.h>

#include "qaudio.h"

#include "qaudiodeviceinfo.h"

#include "qaudiosystem.h"

QT_BEGIN_NAMESPACE

const unsigned int MAX_SAMPLE_RATES = 5;

const unsigned int SAMPLE_RATES[] =

    { 8000, 11025, 22050, 44100, 48000 };

class QAudioDeviceInfoInternal : public QAbstractAudioDeviceInfo

{

    Q_OBJECT

public:

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

    ~QAudioDeviceInfoInternal();

    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 defaultInputDevice();

    static QByteArray defaultOutputDevice();

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

private:

    bool open();

    void close();

    QString device;

    QAudio::Mode mode;

    QAudioFormat nearest;

    QList<int> freqz;

    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