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  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
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  ** This file is part of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
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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 QWINDOWSAUDIODEVICEINFO_H
  #define QWINDOWSAUDIODEVICEINFO_H
  
  #include <QtCore/qbytearray.h>
  #include <QtCore/qstringlist.h>
  #include <QtCore/qlist.h>
  #include <QtCore/qdebug.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 QWindowsAudioDeviceInfo : public QAbstractAudioDeviceInfo
  {
      Q_OBJECT
  
  public:
      QWindowsAudioDeviceInfo(QByteArray dev,QAudio::Mode mode);
      ~QWindowsAudioDeviceInfo();
  
      bool open();
      void close();
  
      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:
      QAudio::Mode mode;
      QString device;
      quint32 devId;
      QList<int> sampleRatez;
      QList<int> channelz;
      QList<int> sizez;
      QList<QAudioFormat::SampleType> typez;
  };
  
  
  
  QT_END_NAMESPACE
  
  
  #endif // QWINDOWSAUDIODEVICEINFO_H
  