WFMDemod Class Reference

#include <wfmdemod.h>

Inheritance diagram for WFMDemod:

Collaboration diagram for WFMDemod:

Classes
struct	MagSqLevelsStore
class	MsgConfigureChannelizer
class	MsgConfigureWFMDemod

Public Member Functions
	WFMDemod (DeviceAPI *deviceAPI)
virtual	~WFMDemod ()
virtual void	destroy ()
virtual void	feed (const SampleVector::const_iterator &begin, const SampleVector::const_iterator &end, bool po)
virtual void	start ()
virtual void	stop ()
virtual bool	handleMessage (const Message &cmd)
	Processing of a message. Returns true if message has actually been processed. More...
virtual void	getIdentifier (QString &id)
virtual void	getTitle (QString &title)
virtual qint64	getCenterFrequency () const
	Applies to a default stream. More...
virtual QByteArray	serialize () const
virtual bool	deserialize (const QByteArray &data)
virtual int	getNbSinkStreams () const
virtual int	getNbSourceStreams () const
virtual qint64	getStreamCenterFrequency (int streamIndex, bool sinkElseSource) const
double	getMagSq () const
bool	getSquelchOpen () const
void	getMagSqLevels (double &avg, double &peak, int &nbSamples)
virtual int	webapiSettingsGet (SWGSDRangel::SWGChannelSettings &response, QString &errorMessage)
virtual int	webapiSettingsPutPatch (bool force, const QStringList &channelSettingsKeys, SWGSDRangel::SWGChannelSettings &response, QString &errorMessage)
virtual int	webapiReportGet (SWGSDRangel::SWGChannelReport &response, QString &errorMessage)
Public Member Functions inherited from BasebandSampleSink
	BasebandSampleSink ()
virtual	~BasebandSampleSink ()
MessageQueue *	getInputMessageQueue ()
	Get the queue for asynchronous inbound communication. More...
virtual void	setMessageQueueToGUI (MessageQueue *queue)
MessageQueue *	getMessageQueueToGUI ()
Public Member Functions inherited from ChannelAPI
	ChannelAPI (const QString &name, StreamType streamType)
virtual	~ChannelAPI ()
virtual void	setName (const QString &name)
virtual const QString &	getName () const
int	getIndexInDeviceSet () const
void	setIndexInDeviceSet (int indexInDeviceSet)
int	getDeviceSetIndex () const
void	setDeviceSetIndex (int deviceSetIndex)
DeviceAPI *	getDeviceAPI ()
void	setDeviceAPI (DeviceAPI *deviceAPI)
uint64_t	getUID () const
StreamType	getStreamType () const

Static Public Member Functions
static int	requiredBW (int rfBW)

Static Public Attributes
static const QString	m_channelIdURI = "sdrangel.channel.wfmdemod"
static const QString	m_channelId = "WFMDemod"

Private Types
enum	RateState { RSInitialFill, RSRunning }

Private Slots
void	networkManagerFinished (QNetworkReply *reply)

Private Member Functions
void	applyAudioSampleRate (int sampleRate)
void	applyChannelSettings (int inputSampleRate, int inputFrequencyOffset, bool force=false)
void	applySettings (const WFMDemodSettings &settings, bool force=false)
void	webapiFormatChannelSettings (SWGSDRangel::SWGChannelSettings &response, const WFMDemodSettings &settings)
void	webapiFormatChannelReport (SWGSDRangel::SWGChannelReport &response)
void	webapiReverseSendSettings (QList< QString > &channelSettingsKeys, const WFMDemodSettings &settings, bool force)

Private Attributes
DeviceAPI *	m_deviceAPI
ThreadedBasebandSampleSink *	m_threadedChannelizer
DownChannelizer *	m_channelizer
int	m_inputSampleRate
int	m_inputFrequencyOffset
WFMDemodSettings	m_settings
quint32	m_audioSampleRate
NCO	m_nco
Interpolator	m_interpolator
	Interpolator between sample rate sent from DSP engine and requested RF bandwidth (rational) More...
Real	m_interpolatorDistance
Real	m_interpolatorDistanceRemain
fftfilt *	m_rfFilter
Real	m_squelchLevel
int	m_squelchState
bool	m_squelchOpen
double	m_magsq
	displayed averaged value More...
double	m_magsqSum
double	m_magsqPeak
int	m_magsqCount
MagSqLevelsStore	m_magSqLevelStore
MovingAverageUtil< Real, double, 16 >	m_movingAverage
Real	m_fmExcursion
AudioVector	m_audioBuffer
uint	m_audioBufferFill
AudioFifo	m_audioFifo
SampleVector	m_sampleBuffer
QMutex	m_settingsMutex
PhaseDiscriminators	m_phaseDiscri
QNetworkAccessManager *	m_networkManager
QNetworkRequest	m_networkRequest

Static Private Attributes
static const int	m_udpBlockSize = 512

Additional Inherited Members
Public Types inherited from ChannelAPI
enum	StreamType { StreamSingleSink, StreamSingleSource, StreamMIMO }
	< This is the same enum as in PluginInterface More...
Protected Slots inherited from BasebandSampleSink
void	handleInputMessages ()
Protected Attributes inherited from BasebandSampleSink
MessageQueue	m_inputMessageQueue
	Queue for asynchronous inbound communication. More...
MessageQueue *	m_guiMessageQueue
	Input message queue to the GUI. More...

Detailed Description

Definition at line 48 of file wfmdemod.h.

Member Enumeration Documentation

RateState

enum WFMDemod::RateState

private

Enumerator
RSInitialFill
RSRunning

Definition at line 181 of file wfmdemod.h.

                   {
        RSInitialFill,
        RSRunning
    };

Constructor & Destructor Documentation

WFMDemod()

WFMDemod::WFMDemod

(

DeviceAPI *

deviceAPI

)

Definition at line 51 of file wfmdemod.cpp.

References AudioDeviceManager::addAudioSink(), DeviceAPI::addChannelSink(), DeviceAPI::addChannelSinkAPI(), applyChannelSettings(), applySettings(), DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputSampleRate(), DSPEngine::instance(), m_audioBuffer, m_audioBufferFill, m_audioFifo, m_audioSampleRate, m_channelId, m_channelizer, m_deviceAPI, m_inputFrequencyOffset, m_inputSampleRate, m_networkManager, m_phaseDiscri, m_rfFilter, m_settings, m_threadedChannelizer, networkManagerFinished(), rfFilterFftLength, and PhaseDiscriminators::setFMScaling().

Referenced by WFMDemod::MsgConfigureChannelizer::MsgConfigureChannelizer().

                                       :
        ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
        m_deviceAPI(deviceAPI),
        m_inputSampleRate(384000),
        m_inputFrequencyOffset(0),
        m_squelchOpen(false),
        m_magsq(0.0f),
        m_magsqSum(0.0f),
        m_magsqPeak(0.0f),
        m_magsqCount(0),
        m_audioFifo(250000),
        m_settingsMutex(QMutex::Recursive)
{
    setObjectName(m_channelId);

    m_rfFilter = new fftfilt(-50000.0 / 384000.0, 50000.0 / 384000.0, rfFilterFftLength);
    m_phaseDiscri.setFMScaling(384000/75000);

    m_audioBuffer.resize(16384);
    m_audioBufferFill = 0;

    DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifo, getInputMessageQueue());
    m_audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate();

    applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
    applySettings(m_settings, true);

    m_channelizer = new DownChannelizer(this);
    m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
    m_deviceAPI->addChannelSink(m_threadedChannelizer);
    m_deviceAPI->addChannelSinkAPI(this);

    m_networkManager = new QNetworkAccessManager();
    connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
}

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~WFMDemod()

WFMDemod::~WFMDemod ( )

virtual

Definition at line 87 of file wfmdemod.cpp.

References DSPEngine::getAudioDeviceManager(), DSPEngine::instance(), m_audioFifo, m_channelizer, m_deviceAPI, m_networkManager, m_rfFilter, m_threadedChannelizer, networkManagerFinished(), AudioDeviceManager::removeAudioSink(), DeviceAPI::removeChannelSink(), and DeviceAPI::removeChannelSinkAPI().

Referenced by WFMDemod::MsgConfigureChannelizer::MsgConfigureChannelizer().

{
    disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
    delete m_networkManager;
    DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(&m_audioFifo);

    m_deviceAPI->removeChannelSinkAPI(this);
    m_deviceAPI->removeChannelSink(m_threadedChannelizer);
    delete m_threadedChannelizer;
    delete m_channelizer;
    delete m_rfFilter;
}

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Member Function Documentation

applyAudioSampleRate()

void WFMDemod::applyAudioSampleRate ( int  sampleRate )

private

Definition at line 273 of file wfmdemod.cpp.

References Interpolator::create(), WFMDemodSettings::m_afBandwidth, m_audioSampleRate, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_settings, and m_settingsMutex.

Referenced by applySettings(), and handleMessage().

{
    qDebug("WFMDemod::applyAudioSampleRate: %d", sampleRate);

    m_settingsMutex.lock();

    m_interpolator.create(16, m_inputSampleRate, m_settings.m_afBandwidth);
    m_interpolatorDistanceRemain = (Real) m_inputSampleRate / sampleRate;
    m_interpolatorDistance =  (Real) m_inputSampleRate / (Real) sampleRate;

    m_settingsMutex.unlock();

    m_audioSampleRate = sampleRate;
}

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applyChannelSettings()

void WFMDemod::applyChannelSettings ( int  inputSampleRate, int  inputFrequencyOffset, bool  force = false  )

private

Definition at line 288 of file wfmdemod.cpp.

References Interpolator::create(), fftfilt::create_filter(), WFMDemodSettings::m_afBandwidth, m_audioSampleRate, m_fmExcursion, m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_nco, m_phaseDiscri, WFMDemodSettings::m_rfBandwidth, m_rfFilter, m_settings, m_settingsMutex, PhaseDiscriminators::setFMScaling(), and NCO::setFreq().

Referenced by handleMessage(), start(), and WFMDemod().

{
    qDebug() << "WFMDemod::applyChannelSettings:"
            << " inputSampleRate: " << inputSampleRate
            << " inputFrequencyOffset: " << inputFrequencyOffset;

    if((inputFrequencyOffset != m_inputFrequencyOffset) ||
        (inputSampleRate != m_inputSampleRate) || force)
    {
        m_nco.setFreq(-inputFrequencyOffset, inputSampleRate);
    }

    if ((inputSampleRate != m_inputSampleRate) || force)
    {
        qDebug() << "WFMDemod::applyChannelSettings: m_interpolator.create";
        m_settingsMutex.lock();
        m_interpolator.create(16, inputSampleRate, m_settings.m_afBandwidth);
        m_interpolatorDistanceRemain = (Real) inputSampleRate / (Real) m_audioSampleRate;
        m_interpolatorDistance =  (Real) inputSampleRate / (Real) m_audioSampleRate;
        m_settingsMutex.unlock();
        qDebug() << "WFMDemod::applySettings: m_rfFilter->create_filter";
        Real lowCut = -(m_settings.m_rfBandwidth / 2.0) / inputSampleRate;
        Real hiCut  = (m_settings.m_rfBandwidth / 2.0) / inputSampleRate;
        m_rfFilter->create_filter(lowCut, hiCut);
        m_fmExcursion = m_settings.m_rfBandwidth / (Real) inputSampleRate;
        m_phaseDiscri.setFMScaling(1.0f/m_fmExcursion);
        qDebug("WFMDemod::applySettings: m_fmExcursion: %f", m_fmExcursion);
    }

    m_inputSampleRate = inputSampleRate;
    m_inputFrequencyOffset = inputFrequencyOffset;
}

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applySettings()

void WFMDemod::applySettings ( const WFMDemodSettings &  settings, bool  force = false  )

private

Definition at line 321 of file wfmdemod.cpp.

References AudioDeviceManager::addAudioSink(), applyAudioSampleRate(), Interpolator::create(), fftfilt::create_filter(), DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputDeviceIndex(), AudioDeviceManager::getOutputSampleRate(), DSPEngine::instance(), WFMDemodSettings::m_afBandwidth, WFMDemodSettings::m_audioDeviceName, m_audioFifo, WFMDemodSettings::m_audioMute, m_audioSampleRate, m_fmExcursion, WFMDemodSettings::m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_phaseDiscri, WFMDemodSettings::m_reverseAPIAddress, WFMDemodSettings::m_reverseAPIChannelIndex, WFMDemodSettings::m_reverseAPIDeviceIndex, WFMDemodSettings::m_reverseAPIPort, WFMDemodSettings::m_rfBandwidth, m_rfFilter, WFMDemodSettings::m_rgbColor, m_settings, m_settingsMutex, WFMDemodSettings::m_squelch, m_squelchLevel, WFMDemodSettings::m_title, WFMDemodSettings::m_useReverseAPI, WFMDemodSettings::m_volume, PhaseDiscriminators::setFMScaling(), and webapiReverseSendSettings().

Referenced by handleMessage(), and WFMDemod().

{
    qDebug() << "WFMDemod::applySettings:"
            << " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
            << " m_rfBandwidth: " << settings.m_rfBandwidth
            << " m_afBandwidth: " << settings.m_afBandwidth
            << " m_volume: " << settings.m_volume
            << " m_squelch: " << settings.m_squelch
            << " m_audioDeviceName: " << settings.m_audioDeviceName
            << " m_audioMute: " << settings.m_audioMute
            << " m_useReverseAPI: " << settings.m_useReverseAPI
            << " m_reverseAPIAddress: " << settings.m_reverseAPIAddress
            << " m_reverseAPIPort: " << settings.m_reverseAPIPort
            << " m_reverseAPIDeviceIndex: " << settings.m_reverseAPIDeviceIndex
            << " m_reverseAPIChannelIndex: " << settings.m_reverseAPIChannelIndex
            << " force: " << force;

    QList<QString> reverseAPIKeys;

    if((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force) {
        reverseAPIKeys.append("inputFrequencyOffset");
    }
    if((settings.m_rfBandwidth != m_settings.m_rfBandwidth) || force) {
        reverseAPIKeys.append("rfBandwidth");
    }
    if((settings.m_afBandwidth != m_settings.m_afBandwidth) || force) {
        reverseAPIKeys.append("afBandwidth");
    }
    if((settings.m_volume != m_settings.m_volume) || force) {
        reverseAPIKeys.append("volume");
    }
    if((settings.m_squelch != m_settings.m_squelch) || force) {
        reverseAPIKeys.append("squelch");
    }
    if((settings.m_audioMute != m_settings.m_audioMute) || force) {
        reverseAPIKeys.append("audioMute");
    }
    if((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force) {
        reverseAPIKeys.append("audioDeviceName");
    }
    if((settings.m_title != m_settings.m_title) || force) {
        reverseAPIKeys.append("title");
    }
    if((settings.m_rgbColor != m_settings.m_rgbColor) || force) {
        reverseAPIKeys.append("rgbColor");
    }

    if((settings.m_afBandwidth != m_settings.m_afBandwidth) ||
       (settings.m_rfBandwidth != m_settings.m_rfBandwidth) || force)
    {
        m_settingsMutex.lock();
        qDebug() << "WFMDemod::applySettings: m_interpolator.create";
        m_interpolator.create(16, m_inputSampleRate, settings.m_afBandwidth);
        m_interpolatorDistanceRemain = (Real) m_inputSampleRate / (Real) m_audioSampleRate;
        m_interpolatorDistance =  (Real) m_inputSampleRate / (Real) m_audioSampleRate;
        qDebug() << "WFMDemod::applySettings: m_rfFilter->create_filter";
        Real lowCut = -(settings.m_rfBandwidth / 2.0) / m_inputSampleRate;
        Real hiCut  = (settings.m_rfBandwidth / 2.0) / m_inputSampleRate;
        m_rfFilter->create_filter(lowCut, hiCut);
        m_fmExcursion = settings.m_rfBandwidth / (Real) m_inputSampleRate;
        m_phaseDiscri.setFMScaling(1.0f/m_fmExcursion);
        qDebug("WFMDemod::applySettings: m_fmExcursion: %f", m_fmExcursion);
        m_settingsMutex.unlock();
    }

    if ((settings.m_squelch != m_settings.m_squelch) || force)
    {
        qDebug() << "WFMDemod::applySettings: set m_squelchLevel";
        m_squelchLevel = pow(10.0, settings.m_squelch / 10.0);
    }

    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
    {
        AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
        int audioDeviceIndex = audioDeviceManager->getOutputDeviceIndex(settings.m_audioDeviceName);
        //qDebug("AMDemod::applySettings: audioDeviceName: %s audioDeviceIndex: %d", qPrintable(settings.m_audioDeviceName), audioDeviceIndex);
        audioDeviceManager->addAudioSink(&m_audioFifo, getInputMessageQueue(), audioDeviceIndex);
        uint32_t audioSampleRate = audioDeviceManager->getOutputSampleRate(audioDeviceIndex);

        if (m_audioSampleRate != audioSampleRate) {
            applyAudioSampleRate(audioSampleRate);
        }
    }

    if (settings.m_useReverseAPI)
    {
        bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
                (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
                (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
                (m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex) ||
                (m_settings.m_reverseAPIChannelIndex != settings.m_reverseAPIChannelIndex);
        webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
    }

    m_settings = settings;
}

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deserialize()

bool WFMDemod::deserialize ( const QByteArray &  data )

virtual

Implements ChannelAPI.

Definition at line 423 of file wfmdemod.cpp.

References WFMDemod::MsgConfigureWFMDemod::create(), WFMDemodSettings::deserialize(), BasebandSampleSink::m_inputMessageQueue, m_settings, MessageQueue::push(), and WFMDemodSettings::resetToDefaults().

Referenced by getCenterFrequency().

{
    if (m_settings.deserialize(data))
    {
        MsgConfigureWFMDemod *msg = MsgConfigureWFMDemod::create(m_settings, true);
        m_inputMessageQueue.push(msg);
        return true;
    }
    else
    {
        m_settings.resetToDefaults();
        MsgConfigureWFMDemod *msg = MsgConfigureWFMDemod::create(m_settings, true);
        m_inputMessageQueue.push(msg);
        return false;
    }
}

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destroy()

virtual void WFMDemod::destroy ( )

inlinevirtual

Implements ChannelAPI.

Definition at line 99 of file wfmdemod.h.

References feed(), handleMessage(), start(), and stop().

{ delete this; }

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feed()

void WFMDemod::feed ( const SampleVector::const_iterator &  begin, const SampleVector::const_iterator &  end, bool  po  )

virtual

Implements BasebandSampleSink.

Definition at line 100 of file wfmdemod.cpp.

References Interpolator::decimate(), i, m_audioBuffer, m_audioBufferFill, m_audioFifo, WFMDemodSettings::m_audioMute, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_magsqCount, m_magsqPeak, m_magsqSum, m_movingAverage, m_nco, m_phaseDiscri, WFMDemodSettings::m_rfBandwidth, m_rfFilter, m_sampleBuffer, m_settings, m_settingsMutex, m_squelchLevel, m_squelchOpen, m_squelchState, WFMDemodSettings::m_volume, NCO::nextIQ(), PhaseDiscriminators::phaseDiscriminatorDelta(), fftfilt::runFilt(), SDR_RX_SCALED, and AudioFifo::write().

Referenced by destroy().

{
    (void) firstOfBurst;
    Complex ci;
    fftfilt::cmplx *rf;
    int rf_out;
    Real demod;
    double msq;
    float fmDev;

    m_settingsMutex.lock();

    for (SampleVector::const_iterator it = begin; it != end; ++it)
    {
        Complex c(it->real(), it->imag());
        c *= m_nco.nextIQ();

        rf_out = m_rfFilter->runFilt(c, &rf); // filter RF before demod

        for (int i = 0 ; i < rf_out; i++)
        {
            msq = rf[i].real()*rf[i].real() + rf[i].imag()*rf[i].imag();
            Real magsq = msq / (SDR_RX_SCALED*SDR_RX_SCALED);
            m_magsqSum += magsq;
            m_movingAverage(magsq);

            if (magsq > m_magsqPeak) {
                m_magsqPeak = magsq;
            }

            m_magsqCount++;

            if (magsq >= m_squelchLevel)
            {
                if (m_squelchState < m_settings.m_rfBandwidth / 10) { // twice attack and decay rate
                    m_squelchState++;
                }
            }
            else
            {
                if (m_squelchState > 0) {
                    m_squelchState--;
                }
            }

            m_squelchOpen = (m_squelchState > (m_settings.m_rfBandwidth / 20));

            if (m_squelchOpen && !m_settings.m_audioMute) { // squelch open and not mute
                demod = m_phaseDiscri.phaseDiscriminatorDelta(rf[i], msq, fmDev);
            } else {
                demod = 0;
            }

            Complex e(demod, 0);

            if (m_interpolator.decimate(&m_interpolatorDistanceRemain, e, &ci))
            {
                qint16 sample = (qint16)(ci.real() * 3276.8f * m_settings.m_volume);
                m_sampleBuffer.push_back(Sample(sample, sample));
                m_audioBuffer[m_audioBufferFill].l = sample;
                m_audioBuffer[m_audioBufferFill].r = sample;

                ++m_audioBufferFill;

                if(m_audioBufferFill >= m_audioBuffer.size())
                {
                    uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);

                    if (res != m_audioBufferFill) {
                        qDebug("WFMDemod::feed: %u/%u audio samples written", res, m_audioBufferFill);
                    }

                    m_audioBufferFill = 0;
                }

                m_interpolatorDistanceRemain += m_interpolatorDistance;
            }
        }
    }

    if (m_audioBufferFill > 0)
    {
        uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);

        if (res != m_audioBufferFill) {
            qDebug("WFMDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
        }

        m_audioBufferFill = 0;
    }

    m_sampleBuffer.clear();

    m_settingsMutex.unlock();
}

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getCenterFrequency()

virtual qint64 WFMDemod::getCenterFrequency ( ) const

inlinevirtual

Applies to a default stream.

Implements ChannelAPI.

Definition at line 108 of file wfmdemod.h.

References deserialize(), WFMDemodSettings::m_inputFrequencyOffset, WFMDemod::MsgConfigureWFMDemod::m_settings, and serialize().

{ return m_settings.m_inputFrequencyOffset; }

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getIdentifier()

virtual void WFMDemod::getIdentifier ( QString &  id )

inlinevirtual

Implements ChannelAPI.

Definition at line 106 of file wfmdemod.h.

{ id = objectName(); }

getMagSq()

double WFMDemod::getMagSq ( ) const

inline

Definition at line 123 of file wfmdemod.h.

References MovingAverageUtil< T, Total, N >::asDouble(), and m_movingAverage.

{ return m_movingAverage.asDouble(); }

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getMagSqLevels()

void WFMDemod::getMagSqLevels ( double &  avg, double &  peak, int &  nbSamples  )

inline

Definition at line 126 of file wfmdemod.h.

References WFMDemod::MagSqLevelsStore::m_magsq, m_magsq, m_magsqCount, m_magSqLevelStore, WFMDemod::MagSqLevelsStore::m_magsqPeak, m_magsqPeak, m_magsqSum, webapiReportGet(), webapiSettingsGet(), and webapiSettingsPutPatch().

Referenced by WFMDemodGUI::tick(), and webapiFormatChannelReport().

    {
        if (m_magsqCount > 0)
        {
            m_magsq = m_magsqSum / m_magsqCount;
            m_magSqLevelStore.m_magsq = m_magsq;
            m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
        }

        avg = m_magSqLevelStore.m_magsq;
        peak = m_magSqLevelStore.m_magsqPeak;
        nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;

        m_magsqSum = 0.0f;
        m_magsqPeak = 0.0f;
        m_magsqCount = 0;
    }

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getNbSinkStreams()

virtual int WFMDemod::getNbSinkStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 113 of file wfmdemod.h.

{ return 1; }

getNbSourceStreams()

virtual int WFMDemod::getNbSourceStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 114 of file wfmdemod.h.

{ return 0; }

getSquelchOpen()

bool WFMDemod::getSquelchOpen ( ) const

inline

Definition at line 124 of file wfmdemod.h.

References m_squelchOpen.

Referenced by WFMDemodGUI::tick().

{ return m_squelchOpen; }

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getStreamCenterFrequency()

virtual qint64 WFMDemod::getStreamCenterFrequency ( int  streamIndex, bool  sinkElseSource  ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 116 of file wfmdemod.h.

References WFMDemodSettings::m_inputFrequencyOffset, and WFMDemod::MsgConfigureWFMDemod::m_settings.

    {
        (void) streamIndex;
        (void) sinkElseSource;
        return m_settings.m_inputFrequencyOffset;
    }

getTitle()

virtual void WFMDemod::getTitle ( QString &  title )

inlinevirtual

Implements ChannelAPI.

Definition at line 107 of file wfmdemod.h.

References WFMDemod::MsgConfigureWFMDemod::m_settings, and WFMDemodSettings::m_title.

{ title = m_settings.m_title; }

handleMessage()

bool WFMDemod::handleMessage ( const Message &  cmd )

virtual

Processing of a message. Returns true if message has actually been processed.

Implements BasebandSampleSink.

Definition at line 208 of file wfmdemod.cpp.

References applyAudioSampleRate(), applyChannelSettings(), applySettings(), DownChannelizer::configure(), WFMDemod::MsgConfigureChannelizer::getCenterFrequency(), WFMDemod::MsgConfigureWFMDemod::getForce(), DownChannelizer::MsgChannelizerNotification::getFrequencyOffset(), BasebandSampleSink::getInputMessageQueue(), DownChannelizer::MsgChannelizerNotification::getSampleRate(), WFMDemod::MsgConfigureChannelizer::getSampleRate(), DSPConfigureAudio::getSampleRate(), WFMDemod::MsgConfigureWFMDemod::getSettings(), BasebandSampleSink::MsgThreadedSink::getThread(), m_audioSampleRate, m_channelizer, and Message::match().

Referenced by destroy().

{
    if (DownChannelizer::MsgChannelizerNotification::match(cmd))
    {
        DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
        qDebug() << "WFMDemod::handleMessage: MsgChannelizerNotification: m_inputSampleRate: " << notif.getSampleRate()
                << " m_inputFrequencyOffset: " << notif.getFrequencyOffset();

        applyChannelSettings(notif.getSampleRate(), notif.getFrequencyOffset());

        return true;
    }
    else if (MsgConfigureChannelizer::match(cmd))
    {
        MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
        qDebug() << "WFMDemod::handleMessage: MsgConfigureChannelizer:"
                << " sampleRate: " << cfg.getSampleRate()
                << " inputFrequencyOffset: " << cfg.getCenterFrequency();

        m_channelizer->configure(m_channelizer->getInputMessageQueue(),
            cfg.getSampleRate(),
            cfg.getCenterFrequency());

        return true;
    }
    else if (MsgConfigureWFMDemod::match(cmd))
    {
        MsgConfigureWFMDemod& cfg = (MsgConfigureWFMDemod&) cmd;
        qDebug("WFMDemod::handleMessage: MsgConfigureWFMDemod");

        applySettings(cfg.getSettings(), cfg.getForce());

        return true;
    }
    else if (BasebandSampleSink::MsgThreadedSink::match(cmd))
    {
        BasebandSampleSink::MsgThreadedSink& cfg = (BasebandSampleSink::MsgThreadedSink&) cmd;
        const QThread *thread = cfg.getThread();
        qDebug("WFMDemod::handleMessage: BasebandSampleSink::MsgThreadedSink: %p", thread);
        return true;
    }
    else if (DSPConfigureAudio::match(cmd))
    {
        DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
        uint32_t sampleRate = cfg.getSampleRate();

        qDebug() << "WFMDemod::handleMessage: DSPConfigureAudio:"
                << " sampleRate: " << sampleRate;

        if (sampleRate != m_audioSampleRate) {
            applyAudioSampleRate(sampleRate);
        }

        return true;
    }
    else if (DSPSignalNotification::match(cmd))
    {
        return true;
    }
    else
    {
        return false;
    }
}

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networkManagerFinished

void WFMDemod::networkManagerFinished ( QNetworkReply *  reply )

privateslot

Definition at line 645 of file wfmdemod.cpp.

Referenced by WFMDemod(), and ~WFMDemod().

{
    QNetworkReply::NetworkError replyError = reply->error();

    if (replyError)
    {
        qWarning() << "WFMDemod::networkManagerFinished:"
                << " error(" << (int) replyError
                << "): " << replyError
                << ": " << reply->errorString();
        return;
    }

    QString answer = reply->readAll();
    answer.chop(1); // remove last \n
    qDebug("WFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
}

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requiredBW()

static int WFMDemod::requiredBW ( int  rfBW )

inlinestatic

Definition at line 158 of file wfmdemod.h.

Referenced by WFMDemodGUI::applySettings(), and webapiSettingsPutPatch().

    {
        if (rfBW <= 48000) {
            return 48000;
        } else {
            return (3*rfBW)/2;
        }
    }

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serialize()

QByteArray WFMDemod::serialize ( ) const

virtual

Implements ChannelAPI.

Definition at line 418 of file wfmdemod.cpp.

References m_settings, and WFMDemodSettings::serialize().

Referenced by getCenterFrequency().

{
    return m_settings.serialize();
}

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start()

void WFMDemod::start ( )

virtual

Implements BasebandSampleSink.

Definition at line 196 of file wfmdemod.cpp.

References applyChannelSettings(), AudioFifo::clear(), m_audioFifo, m_inputFrequencyOffset, m_inputSampleRate, m_phaseDiscri, m_squelchState, and PhaseDiscriminators::reset().

Referenced by destroy().

{
    m_squelchState = 0;
    m_audioFifo.clear();
    m_phaseDiscri.reset();
    applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
}

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stop()

void WFMDemod::stop ( )

virtual

Implements BasebandSampleSink.

Definition at line 204 of file wfmdemod.cpp.

Referenced by destroy().

{
}

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webapiFormatChannelReport()

void WFMDemod::webapiFormatChannelReport ( SWGSDRangel::SWGChannelReport &  response )

private

Definition at line 574 of file wfmdemod.cpp.

References CalcDb::dbPower(), getMagSqLevels(), SWGSDRangel::SWGChannelReport::getWfmDemodReport(), m_audioSampleRate, m_inputSampleRate, m_squelchState, SWGSDRangel::SWGWFMDemodReport::setAudioSampleRate(), SWGSDRangel::SWGWFMDemodReport::setChannelPowerDb(), SWGSDRangel::SWGWFMDemodReport::setChannelSampleRate(), and SWGSDRangel::SWGWFMDemodReport::setSquelch().

Referenced by webapiReportGet().

{
    double magsqAvg, magsqPeak;
    int nbMagsqSamples;
    getMagSqLevels(magsqAvg, magsqPeak, nbMagsqSamples);

    response.getWfmDemodReport()->setChannelPowerDb(CalcDb::dbPower(magsqAvg));
    response.getWfmDemodReport()->setSquelch(m_squelchState > 0 ? 1 : 0);
    response.getWfmDemodReport()->setAudioSampleRate(m_audioSampleRate);
    response.getWfmDemodReport()->setChannelSampleRate(m_inputSampleRate);
}

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webapiFormatChannelSettings()

void WFMDemod::webapiFormatChannelSettings ( SWGSDRangel::SWGChannelSettings &  response, const WFMDemodSettings &  settings  )

private

Definition at line 539 of file wfmdemod.cpp.

References SWGSDRangel::SWGWFMDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGWFMDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGWFMDemodSettings::getTitle(), SWGSDRangel::SWGChannelSettings::getWfmDemodSettings(), WFMDemodSettings::m_afBandwidth, WFMDemodSettings::m_audioDeviceName, WFMDemodSettings::m_audioMute, WFMDemodSettings::m_inputFrequencyOffset, WFMDemodSettings::m_reverseAPIAddress, WFMDemodSettings::m_reverseAPIChannelIndex, WFMDemodSettings::m_reverseAPIDeviceIndex, WFMDemodSettings::m_reverseAPIPort, WFMDemodSettings::m_rfBandwidth, WFMDemodSettings::m_rgbColor, WFMDemodSettings::m_squelch, WFMDemodSettings::m_title, WFMDemodSettings::m_useReverseAPI, WFMDemodSettings::m_volume, SWGSDRangel::SWGWFMDemodSettings::setAfBandwidth(), SWGSDRangel::SWGWFMDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGWFMDemodSettings::setAudioMute(), SWGSDRangel::SWGWFMDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGWFMDemodSettings::setReverseApiAddress(), SWGSDRangel::SWGWFMDemodSettings::setReverseApiChannelIndex(), SWGSDRangel::SWGWFMDemodSettings::setReverseApiDeviceIndex(), SWGSDRangel::SWGWFMDemodSettings::setReverseApiPort(), SWGSDRangel::SWGWFMDemodSettings::setRfBandwidth(), SWGSDRangel::SWGWFMDemodSettings::setRgbColor(), SWGSDRangel::SWGWFMDemodSettings::setSquelch(), SWGSDRangel::SWGWFMDemodSettings::setTitle(), SWGSDRangel::SWGWFMDemodSettings::setUseReverseApi(), and SWGSDRangel::SWGWFMDemodSettings::setVolume().

Referenced by webapiSettingsGet(), and webapiSettingsPutPatch().

{
    response.getWfmDemodSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    response.getWfmDemodSettings()->setRfBandwidth(settings.m_rfBandwidth);
    response.getWfmDemodSettings()->setAfBandwidth(settings.m_afBandwidth);
    response.getWfmDemodSettings()->setVolume(settings.m_volume);
    response.getWfmDemodSettings()->setSquelch(settings.m_squelch);
    response.getWfmDemodSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
    response.getWfmDemodSettings()->setRgbColor(settings.m_rgbColor);

    if (response.getWfmDemodSettings()->getTitle()) {
        *response.getWfmDemodSettings()->getTitle() = settings.m_title;
    } else {
        response.getWfmDemodSettings()->setTitle(new QString(settings.m_title));
    }

    if (response.getWfmDemodSettings()->getAudioDeviceName()) {
        *response.getWfmDemodSettings()->getAudioDeviceName() = settings.m_audioDeviceName;
    } else {
        response.getWfmDemodSettings()->setAudioDeviceName(new QString(settings.m_audioDeviceName));
    }

    response.getWfmDemodSettings()->setUseReverseApi(settings.m_useReverseAPI ? 1 : 0);

    if (response.getWfmDemodSettings()->getReverseApiAddress()) {
        *response.getWfmDemodSettings()->getReverseApiAddress() = settings.m_reverseAPIAddress;
    } else {
        response.getWfmDemodSettings()->setReverseApiAddress(new QString(settings.m_reverseAPIAddress));
    }

    response.getWfmDemodSettings()->setReverseApiPort(settings.m_reverseAPIPort);
    response.getWfmDemodSettings()->setReverseApiDeviceIndex(settings.m_reverseAPIDeviceIndex);
    response.getWfmDemodSettings()->setReverseApiChannelIndex(settings.m_reverseAPIChannelIndex);
}

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webapiReportGet()

int WFMDemod::webapiReportGet ( SWGSDRangel::SWGChannelReport &  response, QString &  errorMessage  )

virtual

Reimplemented from ChannelAPI.

Definition at line 528 of file wfmdemod.cpp.

References SWGSDRangel::SWGChannelReport::getWfmDemodReport(), SWGSDRangel::SWGWFMDemodReport::init(), SWGSDRangel::SWGChannelReport::setWfmDemodReport(), and webapiFormatChannelReport().

Referenced by getMagSqLevels().

{
    (void) errorMessage;
    response.setWfmDemodReport(new SWGSDRangel::SWGWFMDemodReport());
    response.getWfmDemodReport()->init();
    webapiFormatChannelReport(response);
    return 200;
}

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webapiReverseSendSettings()

void WFMDemod::webapiReverseSendSettings ( QList< QString > &  channelSettingsKeys, const WFMDemodSettings &  settings, bool  force  )

private

Definition at line 586 of file wfmdemod.cpp.

References SWGSDRangel::SWGChannelSettings::asJson(), ChannelAPI::getDeviceSetIndex(), ChannelAPI::getIndexInDeviceSet(), SWGSDRangel::SWGChannelSettings::getWfmDemodSettings(), WFMDemodSettings::m_afBandwidth, WFMDemodSettings::m_audioDeviceName, WFMDemodSettings::m_audioMute, WFMDemodSettings::m_inputFrequencyOffset, m_networkManager, m_networkRequest, WFMDemodSettings::m_reverseAPIAddress, WFMDemodSettings::m_reverseAPIChannelIndex, WFMDemodSettings::m_reverseAPIDeviceIndex, WFMDemodSettings::m_reverseAPIPort, WFMDemodSettings::m_rfBandwidth, WFMDemodSettings::m_rgbColor, WFMDemodSettings::m_squelch, WFMDemodSettings::m_title, WFMDemodSettings::m_volume, SWGSDRangel::SWGWFMDemodSettings::setAfBandwidth(), SWGSDRangel::SWGWFMDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGWFMDemodSettings::setAudioMute(), SWGSDRangel::SWGChannelSettings::setChannelType(), SWGSDRangel::SWGChannelSettings::setDirection(), SWGSDRangel::SWGWFMDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGChannelSettings::setOriginatorChannelIndex(), SWGSDRangel::SWGChannelSettings::setOriginatorDeviceSetIndex(), SWGSDRangel::SWGWFMDemodSettings::setRfBandwidth(), SWGSDRangel::SWGWFMDemodSettings::setRgbColor(), SWGSDRangel::SWGWFMDemodSettings::setSquelch(), SWGSDRangel::SWGWFMDemodSettings::setTitle(), SWGSDRangel::SWGWFMDemodSettings::setVolume(), and SWGSDRangel::SWGChannelSettings::setWfmDemodSettings().

Referenced by applySettings().

{
    SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
    swgChannelSettings->setDirection(0); // single sink (Rx)
    swgChannelSettings->setOriginatorChannelIndex(getIndexInDeviceSet());
    swgChannelSettings->setOriginatorDeviceSetIndex(getDeviceSetIndex());
    swgChannelSettings->setChannelType(new QString("WFMDemod"));
    swgChannelSettings->setWfmDemodSettings(new SWGSDRangel::SWGWFMDemodSettings());
    SWGSDRangel::SWGWFMDemodSettings *swgWFMDemodSettings = swgChannelSettings->getWfmDemodSettings();

    // transfer data that has been modified. When force is on transfer all data except reverse API data

    if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
        swgWFMDemodSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    }
    if (channelSettingsKeys.contains("rfBandwidth") || force) {
        swgWFMDemodSettings->setRfBandwidth(settings.m_rfBandwidth);
    }
    if (channelSettingsKeys.contains("afBandwidth") || force) {
        swgWFMDemodSettings->setAfBandwidth(settings.m_afBandwidth);
    }
    if (channelSettingsKeys.contains("volume") || force) {
        swgWFMDemodSettings->setVolume(settings.m_volume);
    }
    if (channelSettingsKeys.contains("squelch") || force) {
        swgWFMDemodSettings->setSquelch(settings.m_squelch);
    }
    if (channelSettingsKeys.contains("audioMute") || force) {
        swgWFMDemodSettings->setAudioMute(settings.m_audioMute ? 1 : 0);
    }
    if (channelSettingsKeys.contains("rgbColor") || force) {
        swgWFMDemodSettings->setRgbColor(settings.m_rgbColor);
    }
    if (channelSettingsKeys.contains("title") || force) {
        swgWFMDemodSettings->setTitle(new QString(settings.m_title));
    }
    if (channelSettingsKeys.contains("audioDeviceName") || force) {
        swgWFMDemodSettings->setAudioDeviceName(new QString(settings.m_audioDeviceName));
    }

    QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/settings")
            .arg(settings.m_reverseAPIAddress)
            .arg(settings.m_reverseAPIPort)
            .arg(settings.m_reverseAPIDeviceIndex)
            .arg(settings.m_reverseAPIChannelIndex);
    m_networkRequest.setUrl(QUrl(channelSettingsURL));
    m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");

    QBuffer *buffer=new QBuffer();
    buffer->open((QBuffer::ReadWrite));
    buffer->write(swgChannelSettings->asJson().toUtf8());
    buffer->seek(0);

    // Always use PATCH to avoid passing reverse API settings
    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);

    delete swgChannelSettings;
}

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webapiSettingsGet()

int WFMDemod::webapiSettingsGet ( SWGSDRangel::SWGChannelSettings &  response, QString &  errorMessage  )

virtual

Reimplemented from ChannelAPI.

Definition at line 440 of file wfmdemod.cpp.

References SWGSDRangel::SWGChannelSettings::getWfmDemodSettings(), SWGSDRangel::SWGWFMDemodSettings::init(), m_settings, SWGSDRangel::SWGChannelSettings::setWfmDemodSettings(), and webapiFormatChannelSettings().

Referenced by getMagSqLevels().

{
    (void) errorMessage;
    response.setWfmDemodSettings(new SWGSDRangel::SWGWFMDemodSettings());
    response.getWfmDemodSettings()->init();
    webapiFormatChannelSettings(response, m_settings);
    return 200;
}

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webapiSettingsPutPatch()

int WFMDemod::webapiSettingsPutPatch ( bool  force, const QStringList &  channelSettingsKeys, SWGSDRangel::SWGChannelSettings &  response, QString &  errorMessage  )

virtual

Reimplemented from ChannelAPI.

Definition at line 451 of file wfmdemod.cpp.

References WFMDemod::MsgConfigureWFMDemod::create(), WFMDemod::MsgConfigureChannelizer::create(), SWGSDRangel::SWGWFMDemodSettings::getAfBandwidth(), SWGSDRangel::SWGWFMDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGWFMDemodSettings::getAudioMute(), SWGSDRangel::SWGWFMDemodSettings::getInputFrequencyOffset(), SWGSDRangel::SWGWFMDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGWFMDemodSettings::getReverseApiChannelIndex(), SWGSDRangel::SWGWFMDemodSettings::getReverseApiDeviceIndex(), SWGSDRangel::SWGWFMDemodSettings::getReverseApiPort(), SWGSDRangel::SWGWFMDemodSettings::getRfBandwidth(), SWGSDRangel::SWGWFMDemodSettings::getRgbColor(), SWGSDRangel::SWGWFMDemodSettings::getSquelch(), SWGSDRangel::SWGWFMDemodSettings::getTitle(), SWGSDRangel::SWGWFMDemodSettings::getUseReverseApi(), SWGSDRangel::SWGWFMDemodSettings::getVolume(), SWGSDRangel::SWGChannelSettings::getWfmDemodSettings(), WFMDemodSettings::m_afBandwidth, WFMDemodSettings::m_audioDeviceName, WFMDemodSettings::m_audioMute, BasebandSampleSink::m_guiMessageQueue, WFMDemodSettings::m_inputFrequencyOffset, BasebandSampleSink::m_inputMessageQueue, WFMDemodSettings::m_reverseAPIAddress, WFMDemodSettings::m_reverseAPIChannelIndex, WFMDemodSettings::m_reverseAPIDeviceIndex, WFMDemodSettings::m_reverseAPIPort, WFMDemodSettings::m_rfBandwidth, WFMDemodSettings::m_rgbColor, m_settings, WFMDemodSettings::m_squelch, WFMDemodSettings::m_title, WFMDemodSettings::m_useReverseAPI, WFMDemodSettings::m_volume, MessageQueue::push(), requiredBW(), and webapiFormatChannelSettings().

Referenced by getMagSqLevels().

{
    (void) errorMessage;
    WFMDemodSettings settings = m_settings;
    bool frequencyOffsetChanged = false;

    if (channelSettingsKeys.contains("inputFrequencyOffset"))
    {
        settings.m_inputFrequencyOffset = response.getWfmDemodSettings()->getInputFrequencyOffset();
        frequencyOffsetChanged = true;
    }
    if (channelSettingsKeys.contains("rfBandwidth")) {
        settings.m_rfBandwidth = response.getWfmDemodSettings()->getRfBandwidth();
    }
    if (channelSettingsKeys.contains("afBandwidth")) {
        settings.m_afBandwidth = response.getWfmDemodSettings()->getAfBandwidth();
    }
    if (channelSettingsKeys.contains("volume")) {
        settings.m_volume = response.getWfmDemodSettings()->getVolume();
    }
    if (channelSettingsKeys.contains("squelch")) {
        settings.m_squelch = response.getWfmDemodSettings()->getSquelch();
    }
    if (channelSettingsKeys.contains("audioMute")) {
        settings.m_audioMute = response.getWfmDemodSettings()->getAudioMute() != 0;
    }
    if (channelSettingsKeys.contains("rgbColor")) {
        settings.m_rgbColor = response.getWfmDemodSettings()->getRgbColor();
    }
    if (channelSettingsKeys.contains("title")) {
        settings.m_title = *response.getWfmDemodSettings()->getTitle();
    }
    if (channelSettingsKeys.contains("audioDeviceName")) {
        settings.m_audioDeviceName = *response.getWfmDemodSettings()->getAudioDeviceName();
    }
    if (channelSettingsKeys.contains("useReverseAPI")) {
        settings.m_useReverseAPI = response.getWfmDemodSettings()->getUseReverseApi() != 0;
    }
    if (channelSettingsKeys.contains("reverseAPIAddress")) {
        settings.m_reverseAPIAddress = *response.getWfmDemodSettings()->getReverseApiAddress();
    }
    if (channelSettingsKeys.contains("reverseAPIPort")) {
        settings.m_reverseAPIPort = response.getWfmDemodSettings()->getReverseApiPort();
    }
    if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
        settings.m_reverseAPIDeviceIndex = response.getWfmDemodSettings()->getReverseApiDeviceIndex();
    }
    if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
        settings.m_reverseAPIChannelIndex = response.getWfmDemodSettings()->getReverseApiChannelIndex();
    }

    if (frequencyOffsetChanged)
    {
        MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
                requiredBW(settings.m_rfBandwidth), settings.m_inputFrequencyOffset);
        m_inputMessageQueue.push(channelConfigMsg);
    }

    MsgConfigureWFMDemod *msg = MsgConfigureWFMDemod::create(settings, force);
    m_inputMessageQueue.push(msg);

    qDebug("WFMDemod::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
    if (m_guiMessageQueue) // forward to GUI if any
    {
        MsgConfigureWFMDemod *msgToGUI = MsgConfigureWFMDemod::create(settings, force);
        m_guiMessageQueue->push(msgToGUI);
    }

    webapiFormatChannelSettings(response, settings);

    return 200;
}

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Member Data Documentation

m_audioBuffer

AudioVector WFMDemod::m_audioBuffer

private

Definition at line 213 of file wfmdemod.h.

Referenced by feed(), and WFMDemod().

m_audioBufferFill

uint WFMDemod::m_audioBufferFill

private

Definition at line 214 of file wfmdemod.h.

Referenced by feed(), and WFMDemod().

m_audioFifo

AudioFifo WFMDemod::m_audioFifo

private

Definition at line 216 of file wfmdemod.h.

Referenced by applySettings(), feed(), start(), WFMDemod(), and ~WFMDemod().

m_audioSampleRate

quint32 WFMDemod::m_audioSampleRate

private

Definition at line 193 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), handleMessage(), webapiFormatChannelReport(), and WFMDemod().

m_channelId

const QString WFMDemod::m_channelId = "WFMDemod"

static

Definition at line 168 of file wfmdemod.h.

Referenced by WFMPlugin::initPlugin(), and WFMDemod().

m_channelIdURI

const QString WFMDemod::m_channelIdURI = "sdrangel.channel.wfmdemod"

static

Definition at line 167 of file wfmdemod.h.

Referenced by WFMPlugin::initPlugin(), and WFMDemodGUI::WFMDemodGUI().

m_channelizer

DownChannelizer* WFMDemod::m_channelizer

private

Definition at line 188 of file wfmdemod.h.

Referenced by handleMessage(), WFMDemod(), and ~WFMDemod().

m_deviceAPI

DeviceAPI* WFMDemod::m_deviceAPI

private

Definition at line 186 of file wfmdemod.h.

Referenced by WFMDemod(), and ~WFMDemod().

m_fmExcursion

Real WFMDemod::m_fmExcursion

private

Definition at line 211 of file wfmdemod.h.

Referenced by applyChannelSettings(), and applySettings().

m_inputFrequencyOffset

int WFMDemod::m_inputFrequencyOffset

private

Definition at line 191 of file wfmdemod.h.

Referenced by applyChannelSettings(), start(), and WFMDemod().

m_inputSampleRate

int WFMDemod::m_inputSampleRate

private

Definition at line 190 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), start(), webapiFormatChannelReport(), and WFMDemod().

m_interpolator

Interpolator WFMDemod::m_interpolator

private

Interpolator between sample rate sent from DSP engine and requested RF bandwidth (rational)

Definition at line 196 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), and feed().

m_interpolatorDistance

Real WFMDemod::m_interpolatorDistance

private

Definition at line 197 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), and feed().

m_interpolatorDistanceRemain

Real WFMDemod::m_interpolatorDistanceRemain

private

Definition at line 198 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), and feed().

m_magsq

double WFMDemod::m_magsq

private

displayed averaged value

Definition at line 204 of file wfmdemod.h.

Referenced by getMagSqLevels().

m_magsqCount

int WFMDemod::m_magsqCount

private

Definition at line 207 of file wfmdemod.h.

Referenced by feed(), and getMagSqLevels().

m_magSqLevelStore

MagSqLevelsStore WFMDemod::m_magSqLevelStore

private

Definition at line 208 of file wfmdemod.h.

Referenced by getMagSqLevels().

m_magsqPeak

double WFMDemod::m_magsqPeak

private

Definition at line 206 of file wfmdemod.h.

Referenced by feed(), and getMagSqLevels().

m_magsqSum

double WFMDemod::m_magsqSum

private

Definition at line 205 of file wfmdemod.h.

Referenced by feed(), and getMagSqLevels().

m_movingAverage

MovingAverageUtil<Real, double, 16> WFMDemod::m_movingAverage

private

Definition at line 210 of file wfmdemod.h.

Referenced by feed(), and getMagSq().

m_nco

NCO WFMDemod::m_nco

private

Definition at line 195 of file wfmdemod.h.

Referenced by applyChannelSettings(), and feed().

m_networkManager

QNetworkAccessManager* WFMDemod::m_networkManager

private

Definition at line 222 of file wfmdemod.h.

Referenced by webapiReverseSendSettings(), WFMDemod(), and ~WFMDemod().

m_networkRequest

QNetworkRequest WFMDemod::m_networkRequest

private

Definition at line 223 of file wfmdemod.h.

Referenced by webapiReverseSendSettings().

m_phaseDiscri

PhaseDiscriminators WFMDemod::m_phaseDiscri

private

Definition at line 220 of file wfmdemod.h.

Referenced by applyChannelSettings(), applySettings(), feed(), start(), and WFMDemod().

m_rfFilter

fftfilt* WFMDemod::m_rfFilter

private

Definition at line 199 of file wfmdemod.h.

Referenced by applyChannelSettings(), applySettings(), feed(), WFMDemod(), and ~WFMDemod().

m_sampleBuffer

SampleVector WFMDemod::m_sampleBuffer

private

Definition at line 217 of file wfmdemod.h.

Referenced by feed().

m_settings

WFMDemodSettings WFMDemod::m_settings

private

Definition at line 192 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), deserialize(), feed(), serialize(), webapiSettingsGet(), webapiSettingsPutPatch(), and WFMDemod().

m_settingsMutex

QMutex WFMDemod::m_settingsMutex

private

Definition at line 218 of file wfmdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applySettings(), and feed().

m_squelchLevel

Real WFMDemod::m_squelchLevel

private

Definition at line 201 of file wfmdemod.h.

Referenced by applySettings(), and feed().

m_squelchOpen

bool WFMDemod::m_squelchOpen

private

Definition at line 203 of file wfmdemod.h.

Referenced by feed(), and getSquelchOpen().

m_squelchState

int WFMDemod::m_squelchState

private

Definition at line 202 of file wfmdemod.h.

Referenced by feed(), start(), and webapiFormatChannelReport().

m_threadedChannelizer

ThreadedBasebandSampleSink* WFMDemod::m_threadedChannelizer

private

Definition at line 187 of file wfmdemod.h.

Referenced by WFMDemod(), and ~WFMDemod().

m_udpBlockSize

const int WFMDemod::m_udpBlockSize = 512

staticprivate

Definition at line 225 of file wfmdemod.h.

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The documentation for this class was generated from the following files:

• plugins/channelrx/demodwfm/wfmdemod.h
• plugins/channelrx/demodwfm/wfmdemod.cpp