src/multimedia/audio/qaudiodeviceinfo_symbian_p.h
changeset 19 fcece45ef507
child 25 e24348a560a6
equal deleted inserted replaced
18:2f34d5167611 19:fcece45ef507
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtMultimedia module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 //
       
    43 //  W A R N I N G
       
    44 //  -------------
       
    45 //
       
    46 // This file is not part of the Qt API.  It exists for the convenience
       
    47 // of other Qt classes.  This header file may change from version to
       
    48 // version without notice, or even be removed.
       
    49 //
       
    50 // We mean it.
       
    51 //
       
    52 
       
    53 #ifndef QAUDIODEVICEINFO_SYMBIAN_P_H
       
    54 #define QAUDIODEVICEINFO_SYMBIAN_P_H
       
    55 
       
    56 #include <QtMultimedia/qaudioengine.h>
       
    57 #include <sounddevice.h>
       
    58 
       
    59 QT_BEGIN_NAMESPACE
       
    60 
       
    61 class QAudioDeviceInfoInternal
       
    62     :   public QAbstractAudioDeviceInfo
       
    63 {
       
    64     Q_OBJECT
       
    65 
       
    66 public:
       
    67     QAudioDeviceInfoInternal(QByteArray device, QAudio::Mode mode);
       
    68     ~QAudioDeviceInfoInternal();
       
    69 
       
    70     // QAbstractAudioDeviceInfo
       
    71     QAudioFormat preferredFormat() const;
       
    72     bool isFormatSupported(const QAudioFormat &format) const;
       
    73     QAudioFormat nearestFormat(const QAudioFormat &format) const;
       
    74     QString deviceName() const;
       
    75     QStringList codecList();
       
    76     QList<int> frequencyList();
       
    77     QList<int> channelsList();
       
    78     QList<int> sampleSizeList();
       
    79     QList<QAudioFormat::Endian> byteOrderList();
       
    80     QList<QAudioFormat::SampleType> sampleTypeList();
       
    81     static QByteArray defaultInputDevice();
       
    82     static QByteArray defaultOutputDevice();
       
    83     static QList<QByteArray> availableDevices(QAudio::Mode);
       
    84 
       
    85 private:
       
    86     void getSupportedFormats() const;
       
    87 
       
    88 private:
       
    89     QScopedPointer<CMMFDevSound> m_devsound;
       
    90 
       
    91     QString m_deviceName;
       
    92     QAudio::Mode m_mode;
       
    93 
       
    94     // Mutable to allow lazy initialization when called from const-qualified
       
    95     // public functions (isFormatSupported, nearestFormat)
       
    96     mutable bool m_updated;
       
    97     mutable QStringList m_codecs;
       
    98     mutable QList<int> m_frequencies;
       
    99     mutable QList<int> m_channels;
       
   100     mutable QList<int> m_sampleSizes;
       
   101     mutable QList<QAudioFormat::Endian> m_byteOrders;
       
   102     mutable QList<QAudioFormat::SampleType> m_sampleTypes;
       
   103 };
       
   104 
       
   105 QT_END_NAMESPACE
       
   106 
       
   107 #endif