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#include "s60audioencodercontrol.h"

#include "s60audiocapturesession.h"

#include <QAudioFormat>

#include <QtCore/qdebug.h>

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

    :QAudioEncoderControl(parent)

{

    qDebug()<<"S60AudioEncoderControl::S60AudioEncoderControl";

    QAudioFormat fmt;

    fmt.setSampleSize(8);

    fmt.setChannels(1);

    fmt.setFrequency(8000);

    fmt.setSampleType(QAudioFormat::SignedInt);

    //fmt.setCodec("audio/pcm");

    m_session = qobject_cast<S60AudioCaptureSession*>(session);

}

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)

}

QtMedia::EncodingQuality S60AudioEncoderControl::quality() const

{

    return QtMedia::NormalQuality;

}

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

{

    QAudioFormat fmt = m_session->format();

    switch (value) {

        case QtMedia::VeryLowQuality:

        case QtMedia::LowQuality:

            // low, 8000Hz mono U8

            fmt.setSampleType(QAudioFormat::UnSignedInt);

            fmt.setSampleSize(8);

            fmt.setFrequency(8000);

            fmt.setChannels(1);

            break;

        case QtMedia::NormalQuality:

            // medium, 22050Hz mono S16

            fmt.setSampleType(QAudioFormat::SignedInt);

            fmt.setSampleSize(16);

            fmt.setFrequency(22050);

            fmt.setChannels(1);

            break;

        case QtMedia::HighQuality:

        case QtMedia::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);

}

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

{

    Q_UNUSED(codec)

    QStringList list;

    return list;

}

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

{

    Q_UNUSED(codec)

	QAudioFormat fmt = m_session->format();

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

        return QVariant(fmt.frequency());

    }

    return QVariant();

}

void S60AudioEncoderControl::setEncodingOption(

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

{

    Q_UNUSED(value)

    Q_UNUSED(codec)

    //QAudioFormat fmt = m_session->format();

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

        if (value.toString() == "vbr")

            setBitRate(-1);

        else

            setBitRate(value.toInt());

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

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

    } else

        qWarning() << "option: " << name << " is an unknown option!";

}

int S60AudioEncoderControl::sampleRate() const

{

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

}

void S60AudioEncoderControl::setSampleRate(int sampleRate)

{

    if (sampleRate > 0) {

        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();       

}

int S60AudioEncoderControl::channelCount() const

{

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

}

void S60AudioEncoderControl::setChannelCount(int channels)

{

    if (channels > 0) {

        QAudioFormat fmt = m_session->format();

        fmt.setChannels(channels);

        m_session->setFormat(fmt);

    }

}

QList<int> S60AudioEncoderControl::supportedChannelCounts() const

{

    return QList<int>() << 1 << 2;

}

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);

}

QList<int> S60AudioEncoderControl::supportedSampleSizes() const

{

    //QList<int> sizes = m_session->deviceInfo()->supportedSampleSizes();

    return QList<int>(); //sizes;

}

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)

{

    setAudioCodec(settings.codec());

    setBitRate(settings.bitRate());

    setSampleRate(settings.sampleRate());

    setChannelCount(settings.channelCount());

    // Setting quality will override other settings except codec

    setQuality(settings.quality());

}