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#include "qaudiodeviceinfo_symbian_p.h"

#include "qaudio_symbian_p.h"

QT_BEGIN_NAMESPACE

QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray device,

                                               QAudio::Mode mode)

    :   m_deviceName(QLatin1String(device))

    ,   m_mode(mode)

    ,   m_updated(false)

{

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

}

QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()

{

}

QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const

{

    QAudioFormat format;

    switch (m_mode) {

    case QAudio::AudioOutput:

        format.setFrequency(44100);

        format.setChannels(2);

        format.setSampleSize(16);

        format.setByteOrder(QAudioFormat::LittleEndian);

        format.setSampleType(QAudioFormat::SignedInt);

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

        break;

    case QAudio::AudioInput:

        format.setFrequency(8000);

        format.setChannels(1);

        format.setSampleSize(16);

        format.setByteOrder(QAudioFormat::LittleEndian);

        format.setSampleType(QAudioFormat::SignedInt);

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

        break;

    default:

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

    }

    if (!isFormatSupported(format)) {

        if (m_frequencies.size())

            format.setFrequency(m_frequencies[0]);

        if (m_channels.size())

            format.setChannels(m_channels[0]);

        if (m_sampleSizes.size())

            format.setSampleSize(m_sampleSizes[0]);

        if (m_byteOrders.size())

            format.setByteOrder(m_byteOrders[0]);

        if (m_sampleTypes.size())

            format.setSampleType(m_sampleTypes[0]);

    }

    return format;

}

bool QAudioDeviceInfoInternal::isFormatSupported(

                                 const QAudioFormat &format) const

{

    getSupportedFormats();

    const bool supported =

            m_codecs.contains(format.codec())

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

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

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

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

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

    return supported;

}

QAudioFormat QAudioDeviceInfoInternal::nearestFormat(const QAudioFormat &format) const

{

    if (isFormatSupported(format))

        return format;

    else

        return preferredFormat();

}

QString QAudioDeviceInfoInternal::deviceName() const

{

    return m_deviceName;

}

QStringList QAudioDeviceInfoInternal::codecList()

{

    getSupportedFormats();

    return m_codecs;

}

QList<int> QAudioDeviceInfoInternal::frequencyList()

{

    getSupportedFormats();

    return m_frequencies;

}

QList<int> QAudioDeviceInfoInternal::channelsList()

{

    getSupportedFormats();

    return m_channels;

}

QList<int> QAudioDeviceInfoInternal::sampleSizeList()

{

    getSupportedFormats();

    return m_sampleSizes;

}

QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::byteOrderList()

{

    getSupportedFormats();

    return m_byteOrders;

}

QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::sampleTypeList()

{

    getSupportedFormats();

    return m_sampleTypes;

}

QByteArray QAudioDeviceInfoInternal::defaultInputDevice()

{

    return QByteArray("default");

}

QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()

{

    return QByteArray("default");

}

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

{

    QList<QByteArray> result;

    result += QByteArray("default");

    return result;

}

void QAudioDeviceInfoInternal::getSupportedFormats() const

{

    if (!m_updated) {

        QScopedPointer<SymbianAudio::DevSoundCapabilities> caps(

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

        SymbianAudio::Utils::capabilitiesNativeToQt(*caps,

            m_frequencies, m_channels, m_sampleSizes,

            m_byteOrders, m_sampleTypes);

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

        m_updated = true;

    }

}

QT_END_NAMESPACE