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    41 

    42 #include "qaudiodeviceinfo_symbian_p.h"

    43 #include "qaudio_symbian_p.h"

    44 

    45 QT_BEGIN_NAMESPACE

    46 

    47 QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray device,

    48                                                QAudio::Mode mode)

    49     :   m_deviceName(QLatin1String(device))

    50     ,   m_mode(mode)

    51     ,   m_updated(false)

    52 {

    53     QT_TRAP_THROWING(m_devsound.reset(CMMFDevSound::NewL()));

    54 }

    55 

    56 QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()

    57 {

    58 

    59 }

    60 

    61 QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const

    62 {

    63     QAudioFormat format;

    64     switch (m_mode) {

    65     case QAudio::AudioOutput:

    66         format.setFrequency(44100);

    67         format.setChannels(2);

    68         format.setSampleSize(16);

    69         format.setByteOrder(QAudioFormat::LittleEndian);

    70         format.setSampleType(QAudioFormat::SignedInt);

    71         format.setCodec(QLatin1String("audio/pcm"));

    72         break;

    73 

    74     case QAudio::AudioInput:

    75         format.setFrequency(8000);

    76         format.setChannels(1);

    77         format.setSampleSize(16);

    78         format.setByteOrder(QAudioFormat::LittleEndian);

    79         format.setSampleType(QAudioFormat::SignedInt);

    80         format.setCodec(QLatin1String("audio/pcm"));

    81         break;

    82 

    83     default:

    84         Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid mode");

    85     }

    86 

    87     if (!isFormatSupported(format)) {

    88         if (m_frequencies.size())

    89             format.setFrequency(m_frequencies[0]);

    90         if (m_channels.size())

    91             format.setChannels(m_channels[0]);

    92         if (m_sampleSizes.size())

    93             format.setSampleSize(m_sampleSizes[0]);

    94         if (m_byteOrders.size())

    95             format.setByteOrder(m_byteOrders[0]);

    96         if (m_sampleTypes.size())

    97             format.setSampleType(m_sampleTypes[0]);

    98     }

    99 

   100     return format;

   101 }

   102 

   103 bool QAudioDeviceInfoInternal::isFormatSupported(

   104                                  const QAudioFormat &format) const

   105 {

   106     getSupportedFormats();

   107     const bool supported =

   108             m_codecs.contains(format.codec())

   109         &&  m_frequencies.contains(format.frequency())

   110         &&  m_channels.contains(format.channels())

   111         &&  m_sampleSizes.contains(format.sampleSize())

   112         &&  m_byteOrders.contains(format.byteOrder())

   113         &&  m_sampleTypes.contains(format.sampleType());

   114 

   115     return supported;

   116 }

   117 

   118 QString QAudioDeviceInfoInternal::deviceName() const

   119 {

   120     return m_deviceName;

   121 }

   122 

   123 QStringList QAudioDeviceInfoInternal::supportedCodecs()

   124 {

   125     getSupportedFormats();

   126     return m_codecs;

   127 }

   128 

   129 QList<int> QAudioDeviceInfoInternal::supportedSampleRates()

   130 {

   131     getSupportedFormats();

   132     return m_frequencies;

   133 }

   134 

   135 QList<int> QAudioDeviceInfoInternal::supportedChannelCounts()

   136 {

   137     getSupportedFormats();

   138     return m_channels;

   139 }

   140 

   141 QList<int> QAudioDeviceInfoInternal::supportedSampleSizes()

   142 {

   143     getSupportedFormats();

   144     return m_sampleSizes;

   145 }

   146 

   147 QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::supportedByteOrders()

   148 {

   149     getSupportedFormats();

   150     return m_byteOrders;

   151 }

   152 

   153 QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::supportedSampleTypes()

   154 {

   155     getSupportedFormats();

   156     return m_sampleTypes;

   157 }

   158 

   159 QByteArray QAudioDeviceInfoInternal::defaultInputDevice()

   160 {

   161     return QByteArray("default");

   162 }

   163 

   164 QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()

   165 {

   166     return QByteArray("default");

   167 }

   168 

   169 QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode)

   170 {

   171     QList<QByteArray> result;

   172     result += QByteArray("default");

   173     return result;

   174 }

   175 

   176 void QAudioDeviceInfoInternal::getSupportedFormats() const

   177 {

   178     if (!m_updated) {

   179         QScopedPointer<SymbianAudio::DevSoundCapabilities> caps(

   180             new SymbianAudio::DevSoundCapabilities(*m_devsound, m_mode));

   181 

   182         SymbianAudio::Utils::capabilitiesNativeToQt(*caps,

   183             m_frequencies, m_channels, m_sampleSizes,

   184             m_byteOrders, m_sampleTypes);

   185 

   186         m_codecs.append(QLatin1String("audio/pcm"));

   187 

   188         m_updated = true;

   189     }

   190 }

   191 

   192 QT_END_NAMESPACE