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#include "s60audioencodercontrol.h"

#include "s60audiocapturesession.h"

#include <QAudioFormat>

#include <QtCore/qdebug.h>

S60AudioEncoderControl::S60AudioEncoderControl(QObject *session, QObject *parent)

    :QAudioEncoderControl(parent), m_quality(QtMediaServices::NormalQuality)

{   

    m_session = qobject_cast<S60AudioCaptureSession*>(session);

    QAudioFormat fmt = m_session->format();

    // medium, 22050Hz mono S16

    fmt.setSampleType(QAudioFormat::SignedInt);

    fmt.setSampleSize(16);

    fmt.setFrequency(22050);

    fmt.setChannels(1);

    m_session->setFormat(fmt);

}

S60AudioEncoderControl::~S60AudioEncoderControl()

{

}

QStringList S60AudioEncoderControl::supportedAudioCodecs() const

{

    return m_session->supportedAudioCodecs();

}

QString S60AudioEncoderControl::audioCodec() const

{

    return m_session->format().codec();

}

bool S60AudioEncoderControl::setAudioCodec(const QString &codecName)

{

    QAudioFormat fmt = m_session->format();

    fmt.setCodec(codecName);

    return m_session->setFormat(fmt);

}

QString S60AudioEncoderControl::codecDescription(const QString &codecName) const

{

	return m_session->codecDescription(codecName);    

}

int S60AudioEncoderControl::bitRate() const

{

    return (m_session->format().frequency() * m_session->format().channels() * (m_session->format().sampleSize() / 8));

}

void S60AudioEncoderControl::setBitRate(int value)

{

    Q_UNUSED(value)

    //Note: None of the default codecs provided in the MMF support the setting of bit rates.                

}

QtMediaServices::EncodingQuality S60AudioEncoderControl::quality() const

{

    return m_quality;

}

void S60AudioEncoderControl::setQuality(QtMediaServices::EncodingQuality value)

{

    QAudioFormat fmt = m_session->format();

    switch (value) {

    case QtMediaServices::VeryLowQuality:

    case QtMediaServices::LowQuality:

        // low, 8000Hz mono U8

        fmt.setSampleType(QAudioFormat::UnSignedInt);

        fmt.setSampleSize(8);

        fmt.setFrequency(8000);

        fmt.setChannels(1);

        break;

    case QtMediaServices::NormalQuality:

        // medium, 22050Hz mono S16

        fmt.setSampleType(QAudioFormat::SignedInt);

        fmt.setSampleSize(16);

        fmt.setFrequency(22050);

        fmt.setChannels(1);

        break;

    case QtMediaServices::HighQuality:

    case QtMediaServices::VeryHighQuality:    

        // high, 44100Hz mono S16

        fmt.setSampleType(QAudioFormat::SignedInt);

        fmt.setSampleSize(16);

        fmt.setFrequency(44100);

        fmt.setChannels(1);

        break;

    default:

        break;

    }

    m_session->setFormat(fmt);

    m_quality = value;  

}

QStringList S60AudioEncoderControl::supportedEncodingOptions(const QString &codec) const

{

    Q_UNUSED(codec)

    QStringList list;

    if (codec == "PCM") 

        list << "quality" << "channels" << "samplerate";        

     return list;

}

QVariant S60AudioEncoderControl::encodingOption(const QString &codec, const QString &name) const

{

    if (codec == "PCM") {

        QAudioFormat fmt = m_session->format();

        if(qstrcmp(name.toLocal8Bit().constData(), "bitrate") == 0) {

            return QVariant(bitRate());

        }

        else if(qstrcmp(name.toLocal8Bit().constData(), "quality") == 0) {

            return QVariant(quality());

        }        

        else if(qstrcmp(name.toLocal8Bit().constData(), "channels") == 0) {

            return QVariant(fmt.channels());

        }                

        else if(qstrcmp(name.toLocal8Bit().constData(), "samplerate") == 0) {

            return QVariant(fmt.frequency());

        }       

    }

    return QVariant();

}

void S60AudioEncoderControl::setEncodingOption(

        const QString &codec, const QString &name, const QVariant &value)

{

    if (codec == "PCM") {        

        if(qstrcmp(name.toLocal8Bit().constData(), "bitrate") == 0) {

            setBitRate(value.toInt());

        } else if(qstrcmp(name.toLocal8Bit().constData(), "quality") == 0) {

            setQuality((QtMediaServices::EncodingQuality)value.toInt());

        } else if(qstrcmp(name.toLocal8Bit().constData(), "channels") == 0) {

            setChannelCount(value.toInt());

        } else if(qstrcmp(name.toLocal8Bit().constData(), "samplerate") == 0) {

            setSampleRate(value.toInt());       

        }        

    }

}

int S60AudioEncoderControl::sampleRate() const

{

    return m_session->format().frequency();

}

void S60AudioEncoderControl::setSampleRate(int sampleRate)

{

    QAudioFormat fmt = m_session->format();

    fmt.setFrequency(sampleRate);

    m_session->setFormat(fmt);

}

QList<int> S60AudioEncoderControl::supportedSampleRates(const QAudioEncoderSettings &settings, bool *continuous) const

{

    if (continuous)

        *continuous = false;

    return m_session->supportedAudioSampleRates(settings);       

}

int S60AudioEncoderControl::channelCount() const

{

    return m_session->format().channels();

}

void S60AudioEncoderControl::setChannelCount(int channels)

{

    QAudioFormat fmt = m_session->format();

    fmt.setChannels(channels);

    m_session->setFormat(fmt);

}

int S60AudioEncoderControl::sampleSize() const

{

    return m_session->format().sampleSize();

}

void S60AudioEncoderControl::setSampleSize(int sampleSize)

{

    QAudioFormat fmt = m_session->format();

    fmt.setSampleSize(sampleSize);

    m_session->setFormat(fmt);

}

QAudioEncoderSettings S60AudioEncoderControl::audioSettings() const

{

    QAudioEncoderSettings settings;

    settings.setCodec(audioCodec());

    settings.setBitRate(bitRate());

    settings.setQuality(quality());

    settings.setSampleRate(sampleRate());

    settings.setChannelCount(channelCount());

    return settings;

}

void S60AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)

{

    if (settings.encodingMode() == QtMediaServices::ConstantQualityEncoding) {             

        setAudioCodec(settings.codec());

        setQuality(settings.quality());

        if (settings.sampleRate() > 0)

            setSampleRate(settings.sampleRate());   

        if (settings.channelCount() > 0)

            setChannelCount(settings.channelCount());

    }else {        

        setAudioCodec(settings.codec());        

        setSampleRate(settings.sampleRate());

        setChannelCount(settings.channelCount());

    }    

}