BFMDemod Class Reference

#include <bfmdemod.h>

Inheritance diagram for BFMDemod:

Collaboration diagram for BFMDemod:

Classes
struct	MagSqLevelsStore
class	MsgConfigureBFMDemod
class	MsgConfigureChannelizer
class	MsgReportChannelSampleRateChanged

Public Member Functions
	BFMDemod (DeviceAPI *deviceAPI)
virtual	~BFMDemod ()
virtual void	destroy ()
void	setSampleSink (BasebandSampleSink *sampleSink)
int	getSampleRate () const
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	getPilotLock () const
Real	getPilotLevel () const
Real	getDecoderQua () const
bool	getDecoderSynced () const
Real	getDemodAcc () const
Real	getDemodQua () const
Real	getDemodFclk () const
void	getMagSqLevels (double &avg, double &peak, int &nbSamples)
RDSParser &	getRDSParser ()
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.bfm"
static const QString	m_channelId = "BFMDemod"

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 BFMDemodSettings &settings, bool force=false)
void	webapiFormatChannelSettings (SWGSDRangel::SWGChannelSettings &response, const BFMDemodSettings &settings)
void	webapiFormatChannelReport (SWGSDRangel::SWGChannelReport &response)
void	webapiFormatRDSReport (SWGSDRangel::SWGRDSReport *report)
void	webapiReverseSendSettings (QList< QString > &channelSettingsKeys, const BFMDemodSettings &settings, bool force)

Private Attributes
DeviceAPI *	m_deviceAPI
ThreadedBasebandSampleSink *	m_threadedChannelizer
DownChannelizer *	m_channelizer
int	m_inputSampleRate
int	m_inputFrequencyOffset
BFMDemodSettings	m_settings
quint32	m_audioSampleRate
NCO	m_nco
Interpolator	m_interpolator
	Interpolator between fixed demod bandwidth and audio bandwidth (rational) More...
Real	m_interpolatorDistance
Real	m_interpolatorDistanceRemain
Interpolator	m_interpolatorStereo
	Twin Interpolator for stereo subcarrier. More...
Real	m_interpolatorStereoDistance
Real	m_interpolatorStereoDistanceRemain
Interpolator	m_interpolatorRDS
	Twin Interpolator for stereo subcarrier. More...
Real	m_interpolatorRDSDistance
Real	m_interpolatorRDSDistanceRemain
Lowpass< Real >	m_lowpass
fftfilt *	m_rfFilter
Real	m_squelchLevel
int	m_squelchState
Real	m_m1Arg
double	m_magsq
	x^-1 real sample More...
double	m_magsqSum
double	m_magsqPeak
int	m_magsqCount
MagSqLevelsStore	m_magSqLevelStore
AudioVector	m_audioBuffer
uint	m_audioBufferFill
BasebandSampleSink *	m_sampleSink
AudioFifo	m_audioFifo
SampleVector	m_sampleBuffer
QMutex	m_settingsMutex
RDSPhaseLock	m_pilotPLL
Real	m_pilotPLLSamples [4]
RDSDemod	m_rdsDemod
RDSDecoder	m_rdsDecoder
RDSParser	m_rdsParser
LowPassFilterRC	m_deemphasisFilterX
LowPassFilterRC	m_deemphasisFilterY
Real	m_fmExcursion
PhaseDiscriminators	m_phaseDiscri
QNetworkAccessManager *	m_networkManager
QNetworkRequest	m_networkRequest

Static Private Attributes
static const int	filtFftLen = 1024
static const Real	default_deemphasis = 50.0
static const int	default_excursion = 750000
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 55 of file bfmdemod.h.

Member Enumeration Documentation

RateState

enum BFMDemod::RateState

private

Enumerator
RSInitialFill
RSRunning

Definition at line 220 of file bfmdemod.h.

                   {
        RSInitialFill,
        RSRunning
    };

Constructor & Destructor Documentation

BFMDemod()

BFMDemod::BFMDemod

(

DeviceAPI *

deviceAPI

)

Definition at line 55 of file bfmdemod.cpp.

References AudioDeviceManager::addAudioSink(), DeviceAPI::addChannelSink(), DeviceAPI::addChannelSinkAPI(), applyChannelSettings(), applySettings(), LowPassFilterRC::configure(), default_deemphasis, filtFftLen, DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputSampleRate(), DSPEngine::instance(), m_audioBuffer, m_audioBufferFill, m_audioFifo, m_audioSampleRate, m_channelId, m_channelizer, m_deemphasisFilterX, m_deemphasisFilterY, m_deviceAPI, m_fmExcursion, m_inputFrequencyOffset, m_inputSampleRate, m_interpolatorDistance, m_interpolatorDistanceRemain, m_interpolatorRDSDistance, m_interpolatorRDSDistanceRemain, m_interpolatorStereoDistance, m_interpolatorStereoDistanceRemain, m_m1Arg, m_magsq, m_magsqCount, m_magsqPeak, m_magsqSum, m_networkManager, m_phaseDiscri, m_rfFilter, m_sampleSink, m_settings, m_squelchLevel, m_squelchState, m_threadedChannelizer, networkManagerFinished(), and PhaseDiscriminators::setFMScaling().

                                       :
        ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
        m_deviceAPI(deviceAPI),
        m_inputSampleRate(384000),
        m_inputFrequencyOffset(0),
        m_audioFifo(250000),
        m_settingsMutex(QMutex::Recursive),
        m_pilotPLL(19000/384000, 50/384000, 0.01),
        m_deemphasisFilterX(default_deemphasis * 48000 * 1.0e-6),
        m_deemphasisFilterY(default_deemphasis * 48000 * 1.0e-6),
    m_fmExcursion(default_excursion)
{
    setObjectName(m_channelId);

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

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

    m_squelchLevel = 0;
    m_squelchState = 0;

    m_interpolatorDistance = 0.0f;
    m_interpolatorDistanceRemain = 0.0f;

    m_interpolatorRDSDistance = 0.0f;
    m_interpolatorRDSDistanceRemain = 0.0f;

    m_interpolatorStereoDistance = 0.0f;
    m_interpolatorStereoDistanceRemain = 0.0f;

    m_sampleSink = 0;
    m_m1Arg = 0;

    m_rfFilter = new fftfilt(-50000.0 / 384000.0, 50000.0 / 384000.0, filtFftLen);

    m_deemphasisFilterX.configure(default_deemphasis * m_audioSampleRate * 1.0e-6);
    m_deemphasisFilterY.configure(default_deemphasis * m_audioSampleRate * 1.0e-6);
    m_phaseDiscri.setFMScaling(384000/m_fmExcursion);

    m_audioBuffer.resize(16384);
    m_audioBufferFill = 0;

    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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~BFMDemod()

BFMDemod::~BFMDemod ( )

virtual

Definition at line 113 of file bfmdemod.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().

{
    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 BFMDemod::applyAudioSampleRate ( int  sampleRate )

private

Definition at line 386 of file bfmdemod.cpp.

References LowPassFilterRC::configure(), Interpolator::create(), default_deemphasis, BFMDemodSettings::m_afBandwidth, m_audioSampleRate, m_deemphasisFilterX, m_deemphasisFilterY, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_interpolatorStereo, m_interpolatorStereoDistance, m_interpolatorStereoDistanceRemain, m_settings, and m_settingsMutex.

Referenced by applySettings(), and handleMessage().

{
    qDebug("BFMDemod::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_interpolatorStereo.create(16, m_inputSampleRate, m_settings.m_afBandwidth);
    m_interpolatorStereoDistanceRemain = (Real) m_inputSampleRate / sampleRate;
    m_interpolatorStereoDistance =  (Real) m_inputSampleRate / (Real) sampleRate;

    m_deemphasisFilterX.configure(default_deemphasis * sampleRate * 1.0e-6);
    m_deemphasisFilterY.configure(default_deemphasis * sampleRate * 1.0e-6);

    m_settingsMutex.unlock();

    m_audioSampleRate = sampleRate;
}

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applyChannelSettings()

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

private

Definition at line 408 of file bfmdemod.cpp.

References PhaseLock::configure(), Interpolator::create(), fftfilt::create_filter(), BFMDemodSettings::m_afBandwidth, m_audioSampleRate, m_fmExcursion, m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_interpolatorRDS, m_interpolatorRDSDistance, m_interpolatorRDSDistanceRemain, m_interpolatorStereo, m_interpolatorStereoDistance, m_interpolatorStereoDistanceRemain, m_nco, m_phaseDiscri, m_pilotPLL, BFMDemodSettings::m_rfBandwidth, m_rfFilter, m_settings, m_settingsMutex, PhaseDiscriminators::setFMScaling(), and NCO::setFreq().

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

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

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

    if ((inputSampleRate != m_inputSampleRate) || force)
    {
        m_pilotPLL.configure(19000.0/inputSampleRate, 50.0/inputSampleRate, 0.01);

        m_settingsMutex.lock();

        m_interpolator.create(16, inputSampleRate, m_settings.m_afBandwidth);
        m_interpolatorDistanceRemain = (Real) inputSampleRate / m_audioSampleRate;
        m_interpolatorDistance =  (Real) inputSampleRate / (Real) m_audioSampleRate;

        m_interpolatorStereo.create(16, inputSampleRate, m_settings.m_afBandwidth);
        m_interpolatorStereoDistanceRemain = (Real) inputSampleRate / m_audioSampleRate;
        m_interpolatorStereoDistance =  (Real) inputSampleRate / (Real) m_audioSampleRate;

        m_interpolatorRDS.create(4, inputSampleRate, 600.0);
        m_interpolatorRDSDistanceRemain = (Real) inputSampleRate / 250000.0;
        m_interpolatorRDSDistance =  (Real) inputSampleRate / 250000.0;

        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_phaseDiscri.setFMScaling(inputSampleRate / m_fmExcursion);

        m_settingsMutex.unlock();
    }

    m_inputSampleRate = inputSampleRate;
    m_inputFrequencyOffset = inputFrequencyOffset;
}

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applySettings()

void BFMDemod::applySettings ( const BFMDemodSettings &  settings, bool  force = false  )

private

Definition at line 450 of file bfmdemod.cpp.

References AudioDeviceManager::addAudioSink(), applyAudioSampleRate(), PhaseLock::configure(), Lowpass< Type >::create(), Interpolator::create(), fftfilt::create_filter(), DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputDeviceIndex(), AudioDeviceManager::getOutputSampleRate(), DSPEngine::instance(), BFMDemodSettings::m_afBandwidth, BFMDemodSettings::m_audioDeviceName, m_audioFifo, m_audioSampleRate, BFMDemodSettings::m_audioStereo, m_fmExcursion, BFMDemodSettings::m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_interpolatorRDS, m_interpolatorRDSDistance, m_interpolatorRDSDistanceRemain, m_interpolatorStereo, m_interpolatorStereoDistance, m_interpolatorStereoDistanceRemain, m_lowpass, BFMDemodSettings::m_lsbStereo, m_phaseDiscri, m_pilotPLL, BFMDemodSettings::m_rdsActive, BFMDemodSettings::m_reverseAPIAddress, BFMDemodSettings::m_reverseAPIChannelIndex, BFMDemodSettings::m_reverseAPIDeviceIndex, BFMDemodSettings::m_reverseAPIPort, BFMDemodSettings::m_rfBandwidth, m_rfFilter, m_settings, m_settingsMutex, BFMDemodSettings::m_showPilot, BFMDemodSettings::m_squelch, m_squelchLevel, BFMDemodSettings::m_useReverseAPI, BFMDemodSettings::m_volume, PhaseDiscriminators::setFMScaling(), and webapiReverseSendSettings().

Referenced by BFMDemod(), and handleMessage().

{
    qDebug() << "BFMDemod::applySettings: MsgConfigureBFMDemod:"
            << " 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_audioStereo: " << settings.m_audioStereo
            << " m_lsbStereo: " << settings.m_lsbStereo
            << " m_showPilot: " << settings.m_showPilot
            << " m_rdsActive: " << settings.m_rdsActive
            << " m_audioDeviceName: " << settings.m_audioDeviceName
            << " m_useReverseAPI: " << settings.m_useReverseAPI
            << " force: " << force;

    QList<QString> reverseAPIKeys;

    if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force) {
        reverseAPIKeys.append("inputFrequencyOffset");
    }
    if ((settings.m_volume != m_settings.m_volume) || force) {
        reverseAPIKeys.append("volume");
    }
    if ((settings.m_audioStereo != m_settings.m_audioStereo) || force) {
        reverseAPIKeys.append("audioStereo");
    }
    if ((settings.m_lsbStereo != m_settings.m_lsbStereo) || force) {
        reverseAPIKeys.append("lsbStereo");
    }
    if ((settings.m_showPilot != m_settings.m_showPilot) || force) {
        reverseAPIKeys.append("showPilot");
    }
    if ((settings.m_rdsActive != m_settings.m_rdsActive) || force) {
        reverseAPIKeys.append("rdsActive");
    }

    if ((settings.m_audioStereo && (settings.m_audioStereo != m_settings.m_audioStereo)) || force)
    {
        m_pilotPLL.configure(19000.0/m_inputSampleRate, 50.0/m_inputSampleRate, 0.01);
    }

    if ((settings.m_afBandwidth != m_settings.m_afBandwidth) || force)
    {
        reverseAPIKeys.append("afBandwidth");
        m_settingsMutex.lock();

        m_interpolator.create(16, m_inputSampleRate, settings.m_afBandwidth);
        m_interpolatorDistanceRemain = (Real) m_inputSampleRate / m_audioSampleRate;
        m_interpolatorDistance =  (Real) m_inputSampleRate / (Real) m_audioSampleRate;

        m_interpolatorStereo.create(16, m_inputSampleRate, settings.m_afBandwidth);
        m_interpolatorStereoDistanceRemain = (Real) m_inputSampleRate / m_audioSampleRate;
        m_interpolatorStereoDistance =  (Real) m_inputSampleRate / (Real) m_audioSampleRate;

        m_interpolatorRDS.create(4, m_inputSampleRate, 600.0);
        m_interpolatorRDSDistanceRemain = (Real) m_inputSampleRate / 250000.0;
        m_interpolatorRDSDistance =  (Real) m_inputSampleRate / 250000.0;

        m_lowpass.create(21, m_audioSampleRate, settings.m_afBandwidth);

        m_settingsMutex.unlock();
    }

    if ((settings.m_rfBandwidth != m_settings.m_rfBandwidth) || force)
    {
        reverseAPIKeys.append("rfBandwidth");
        m_settingsMutex.lock();
        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_phaseDiscri.setFMScaling(m_inputSampleRate / m_fmExcursion);
        m_settingsMutex.unlock();
    }

    if ((settings.m_squelch != m_settings.m_squelch) || force)
    {
        reverseAPIKeys.append("squelch");
        m_squelchLevel = std::pow(10.0, settings.m_squelch / 10.0);
    }

    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
    {
        reverseAPIKeys.append("audioDeviceName");
        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 BFMDemod::deserialize ( const QByteArray &  data )

virtual

Implements ChannelAPI.

Definition at line 563 of file bfmdemod.cpp.

References BFMDemod::MsgConfigureBFMDemod::create(), BFMDemodSettings::deserialize(), BasebandSampleSink::m_inputMessageQueue, m_settings, MessageQueue::push(), and BFMDemodSettings::resetToDefaults().

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

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destroy()

virtual void BFMDemod::destroy ( )

inlinevirtual

Implements ChannelAPI.

Definition at line 126 of file bfmdemod.h.

{ delete this; }

feed()

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

virtual

Implements BasebandSampleSink.

Definition at line 127 of file bfmdemod.cpp.

References cos(), Interpolator::decimate(), BasebandSampleSink::feed(), RDSDecoder::frameSync(), RDSDecoder::getGroup(), i, m_audioBuffer, m_audioBufferFill, m_audioFifo, BFMDemodSettings::m_audioStereo, m_deemphasisFilterX, m_deemphasisFilterY, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_interpolatorRDS, m_interpolatorRDSDistance, m_interpolatorRDSDistanceRemain, m_interpolatorStereo, m_interpolatorStereoDistance, m_interpolatorStereoDistanceRemain, BFMDemodSettings::m_lsbStereo, m_magsqCount, m_magsqPeak, m_magsqSum, m_nco, m_phaseDiscri, m_pilotPLL, m_pilotPLLSamples, BFMDemodSettings::m_rdsActive, m_rdsDecoder, m_rdsDemod, m_rdsParser, BFMDemodSettings::m_rfBandwidth, m_rfFilter, m_sampleBuffer, m_sampleSink, m_settings, m_settingsMutex, BFMDemodSettings::m_showPilot, m_squelchLevel, m_squelchState, BFMDemodSettings::m_volume, NCO::nextIQ(), RDSParser::parseGroup(), PhaseDiscriminators::phaseDiscriminator(), RDSDemod::process(), LowPassFilterRC::process(), PhaseLock::process(), fftfilt::runFilt(), SDR_RX_SCALEF, and AudioFifo::write().

{
    (void) firstOfBurst;
    Complex ci, cs, cr;
    fftfilt::cmplx *rf;
    int rf_out;
    double msq;
    Real demod;

    m_sampleBuffer.clear();

    m_settingsMutex.lock();

    for (SampleVector::const_iterator it = begin; it != end; ++it)
    {
        Complex c(it->real() / SDR_RX_SCALEF, it->imag() / SDR_RX_SCALEF);
        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();
            m_magsqSum += msq;

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

            m_magsqCount++;

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

            if (m_squelchState > m_settings.m_rfBandwidth / 20) { // squelch open
                demod = m_phaseDiscri.phaseDiscriminator(rf[i]);
            } else {
                demod = 0;
            }

            if (!m_settings.m_showPilot) {
                m_sampleBuffer.push_back(Sample(demod * SDR_RX_SCALEF, 0.0));
            }

            if (m_settings.m_rdsActive)
            {
                //Complex r(demod * 2.0 * std::cos(3.0 * m_pilotPLLSamples[3]), 0.0);
                Complex r(demod * 2.0 * std::cos(3.0 * m_pilotPLLSamples[3]), 0.0);

                if (m_interpolatorRDS.decimate(&m_interpolatorRDSDistanceRemain, r, &cr))
                {
                    bool bit;

                    if (m_rdsDemod.process(cr.real(), bit))
                    {
                        if (m_rdsDecoder.frameSync(bit)) {
                            m_rdsParser.parseGroup(m_rdsDecoder.getGroup());
                        }
                    }

                    m_interpolatorRDSDistanceRemain += m_interpolatorRDSDistance;
                }
            }

            Real sampleStereo = 0.0f;

            // Process stereo if stereo mode is selected

            if (m_settings.m_audioStereo)
            {
                m_pilotPLL.process(demod, m_pilotPLLSamples);

                if (m_settings.m_showPilot) {
                    m_sampleBuffer.push_back(Sample(m_pilotPLLSamples[1] * SDR_RX_SCALEF, 0.0)); // debug 38 kHz pilot
                }

                if (m_settings.m_lsbStereo)
                {
                    // 1.17 * 0.7 = 0.819
                    Complex s(demod * m_pilotPLLSamples[1], demod * m_pilotPLLSamples[2]);

                    if (m_interpolatorStereo.decimate(&m_interpolatorStereoDistanceRemain, s, &cs))
                    {
                        sampleStereo = cs.real() + cs.imag();
                        m_interpolatorStereoDistanceRemain += m_interpolatorStereoDistance;
                    }
                }
                else
                {
                    Complex s(demod * 1.17 * m_pilotPLLSamples[1], 0);

                    if (m_interpolatorStereo.decimate(&m_interpolatorStereoDistanceRemain, s, &cs))
                    {
                        sampleStereo = cs.real();
                        m_interpolatorStereoDistanceRemain += m_interpolatorStereoDistance;
                    }
                }
            }

            Complex e(demod, 0);

            if (m_interpolator.decimate(&m_interpolatorDistanceRemain, e, &ci))
            {
                if (m_settings.m_audioStereo)
                {
                    Real deemph_l, deemph_r; // Pre-emphasis is applied on each channel before multiplexing
                    m_deemphasisFilterX.process(ci.real() + sampleStereo, deemph_l);
                    m_deemphasisFilterY.process(ci.real() - sampleStereo, deemph_r);
                    m_audioBuffer[m_audioBufferFill].l = (qint16)(deemph_l * (1<<12) * m_settings.m_volume);
                    m_audioBuffer[m_audioBufferFill].r = (qint16)(deemph_r * (1<<12) * m_settings.m_volume);
                }
                else
                {
                    Real deemph;
                    m_deemphasisFilterX.process(ci.real(), deemph);
                    quint16 sample = (qint16)(deemph * (1<<12) * m_settings.m_volume);
                    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("BFMDemod::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("BFMDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
        }

        m_audioBufferFill = 0;
    }

    if (m_sampleSink != 0) {
        m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), true);
    }

    m_sampleBuffer.clear();

    m_settingsMutex.unlock();
}

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getCenterFrequency()

virtual qint64 BFMDemod::getCenterFrequency ( ) const

inlinevirtual

Applies to a default stream.

Implements ChannelAPI.

Definition at line 137 of file bfmdemod.h.

{ return m_settings.m_inputFrequencyOffset; }

getDecoderQua()

Real BFMDemod::getDecoderQua ( ) const

inline

Definition at line 157 of file bfmdemod.h.

Referenced by BFMDemodGUI::rdsUpdate(), and webapiFormatRDSReport().

{ return m_rdsDecoder.m_qua; }

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getDecoderSynced()

bool BFMDemod::getDecoderSynced ( ) const

inline

Definition at line 158 of file bfmdemod.h.

Referenced by BFMDemodGUI::rdsUpdate().

{ return m_rdsDecoder.synced(); }

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getDemodAcc()

Real BFMDemod::getDemodAcc ( ) const

inline

Definition at line 159 of file bfmdemod.h.

Referenced by BFMDemodGUI::rdsUpdate(), and webapiFormatRDSReport().

{ return m_rdsDemod.m_report.acc; }

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getDemodFclk()

Real BFMDemod::getDemodFclk ( ) const

inline

Definition at line 161 of file bfmdemod.h.

Referenced by BFMDemodGUI::rdsUpdate(), and webapiFormatRDSReport().

{ return m_rdsDemod.m_report.fclk; }

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getDemodQua()

Real BFMDemod::getDemodQua ( ) const

inline

Definition at line 160 of file bfmdemod.h.

Referenced by BFMDemodGUI::rdsUpdate(), and webapiFormatRDSReport().

{ return m_rdsDemod.m_report.qua; }

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getIdentifier()

virtual void BFMDemod::getIdentifier ( QString &  id )

inlinevirtual

Implements ChannelAPI.

Definition at line 135 of file bfmdemod.h.

{ id = objectName(); }

getMagSq()

double BFMDemod::getMagSq ( ) const

inline

Definition at line 152 of file bfmdemod.h.

{ return m_magsq; }

getMagSqLevels()

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

inline

Definition at line 163 of file bfmdemod.h.

Referenced by BFMDemodGUI::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 BFMDemod::getNbSinkStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 142 of file bfmdemod.h.

{ return 1; }

getNbSourceStreams()

virtual int BFMDemod::getNbSourceStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 143 of file bfmdemod.h.

{ return 0; }

getPilotLevel()

Real BFMDemod::getPilotLevel ( ) const

inline

Definition at line 155 of file bfmdemod.h.

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

{ return m_pilotPLL.get_pilot_level(); }

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getPilotLock()

bool BFMDemod::getPilotLock ( ) const

inline

Definition at line 154 of file bfmdemod.h.

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

{ return m_pilotPLL.locked(); }

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getRDSParser()

RDSParser& BFMDemod::getRDSParser ( )

inline

Definition at line 181 of file bfmdemod.h.

Referenced by BFMDemodGUI::on_clearData_clicked(), BFMDemodGUI::on_g14ProgServiceNames_currentIndexChanged(), BFMDemodGUI::rdsUpdate(), BFMDemodGUI::rdsUpdateFixedFields(), and webapiFormatRDSReport().

{ return m_rdsParser; }

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getSampleRate()

int BFMDemod::getSampleRate ( ) const

inline

Definition at line 129 of file bfmdemod.h.

Referenced by handleMessage().

{ return m_inputSampleRate; }

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getStreamCenterFrequency()

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

inlinevirtual

Implements ChannelAPI.

Definition at line 145 of file bfmdemod.h.

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

getTitle()

virtual void BFMDemod::getTitle ( QString &  title )

inlinevirtual

Implements ChannelAPI.

Definition at line 136 of file bfmdemod.h.

{ title = m_settings.m_title; }

handleMessage()

bool BFMDemod::handleMessage ( const Message &  cmd )

virtual

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

Implements BasebandSampleSink.

Definition at line 307 of file bfmdemod.cpp.

References applyAudioSampleRate(), applyChannelSettings(), applySettings(), DownChannelizer::configure(), BFMDemod::MsgReportChannelSampleRateChanged::create(), BFMDemod::MsgConfigureChannelizer::getCenterFrequency(), BFMDemod::MsgConfigureBFMDemod::getForce(), DownChannelizer::MsgChannelizerNotification::getFrequencyOffset(), Message::getIdentifier(), BasebandSampleSink::getInputMessageQueue(), BasebandSampleSink::getMessageQueueToGUI(), DownChannelizer::MsgChannelizerNotification::getSampleRate(), BFMDemod::MsgConfigureChannelizer::getSampleRate(), getSampleRate(), DSPConfigureAudio::getSampleRate(), BFMDemod::MsgConfigureBFMDemod::getSettings(), BasebandSampleSink::handleMessage(), m_audioSampleRate, m_channelizer, m_sampleSink, Message::match(), and MessageQueue::push().

{
    if (DownChannelizer::MsgChannelizerNotification::match(cmd))
    {
        DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;

        qDebug() << "BFMDemod::handleMessage: MsgChannelizerNotification:"
                << " inputSampleRate: " << notif.getSampleRate()
                << " inputFrequencyOffset: " << notif.getFrequencyOffset();

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

        if (getMessageQueueToGUI())
        {
            MsgReportChannelSampleRateChanged *msg = MsgReportChannelSampleRateChanged::create(getSampleRate());
            getMessageQueueToGUI()->push(msg);
        }

        return true;
    }
    else if (MsgConfigureChannelizer::match(cmd))
    {
        MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;

        qDebug() << "BFMDemod::handleMessage: MsgConfigureChannelizer: sampleRate: " << cfg.getSampleRate()
                << " centerFrequency: " << cfg.getCenterFrequency();

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

        return true;
    }
    else if (MsgConfigureBFMDemod::match(cmd))
    {
        MsgConfigureBFMDemod& cfg = (MsgConfigureBFMDemod&) cmd;
        qDebug() << "BFMDemod::handleMessage: MsgConfigureBFMDemod";

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

        return true;
    }
    else if (DSPConfigureAudio::match(cmd))
    {
        DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
        uint32_t sampleRate = cfg.getSampleRate();

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

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

        return true;
    }
    else if (BasebandSampleSink::MsgThreadedSink::match(cmd))
    {
        return true;
    }
    else if (DSPSignalNotification::match(cmd))
    {
        return true;
    }
    else
    {
        qDebug() << "BFMDemod::handleMessage: passed: " << cmd.getIdentifier();

        if (m_sampleSink != 0)
        {
            return m_sampleSink->handleMessage(cmd);
        }
        else
        {
            return false;
        }
    }
}

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networkManagerFinished

void BFMDemod::networkManagerFinished ( QNetworkReply *  reply )

privateslot

Definition at line 846 of file bfmdemod.cpp.

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

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

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

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

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requiredBW()

static int BFMDemod::requiredBW ( int  rfBW )

inlinestatic

Definition at line 197 of file bfmdemod.h.

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

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

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serialize()

QByteArray BFMDemod::serialize ( ) const

virtual

Implements ChannelAPI.

Definition at line 558 of file bfmdemod.cpp.

References m_settings, and BFMDemodSettings::serialize().

{
    return m_settings.serialize();
}

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setSampleSink()

void BFMDemod::setSampleSink ( BasebandSampleSink *  sampleSink )

inline

Definition at line 127 of file bfmdemod.h.

Referenced by BFMDemodGUI::BFMDemodGUI().

{ m_sampleSink = sampleSink; }

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start()

void BFMDemod::start ( )

virtual

Implements BasebandSampleSink.

Definition at line 295 of file bfmdemod.cpp.

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

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

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stop()

void BFMDemod::stop ( )

virtual

Implements BasebandSampleSink.

Definition at line 303 of file bfmdemod.cpp.

{
}

webapiFormatChannelReport()

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

private

Definition at line 726 of file bfmdemod.cpp.

References CalcDb::dbPower(), SWGSDRangel::SWGChannelReport::getBfmDemodReport(), getMagSqLevels(), getPilotLevel(), getPilotLock(), SWGSDRangel::SWGBFMDemodReport::getRdsReport(), m_audioSampleRate, m_inputSampleRate, BFMDemodSettings::m_rdsActive, m_settings, m_squelchState, SWGSDRangel::SWGBFMDemodReport::setAudioSampleRate(), SWGSDRangel::SWGBFMDemodReport::setChannelPowerDb(), SWGSDRangel::SWGBFMDemodReport::setChannelSampleRate(), SWGSDRangel::SWGBFMDemodReport::setPilotLocked(), SWGSDRangel::SWGBFMDemodReport::setPilotPowerDb(), SWGSDRangel::SWGBFMDemodReport::setRdsReport(), SWGSDRangel::SWGBFMDemodReport::setSquelch(), and webapiFormatRDSReport().

Referenced by webapiReportGet().

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

    response.getBfmDemodReport()->setChannelPowerDb(CalcDb::dbPower(magsqAvg));
    response.getBfmDemodReport()->setSquelch(m_squelchState > 0 ? 1 : 0);
    response.getBfmDemodReport()->setAudioSampleRate(m_audioSampleRate);
    response.getBfmDemodReport()->setChannelSampleRate(m_inputSampleRate);
    response.getBfmDemodReport()->setPilotLocked(getPilotLock() ? 1 : 0);
    response.getBfmDemodReport()->setPilotPowerDb(CalcDb::dbPower(getPilotLevel()));

    if (m_settings.m_rdsActive)
    {
        response.getBfmDemodReport()->setRdsReport(new SWGSDRangel::SWGRDSReport());
        webapiFormatRDSReport(response.getBfmDemodReport()->getRdsReport());
    }
    else
    {
        response.getBfmDemodReport()->setRdsReport(0);
    }
}

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webapiFormatChannelSettings()

void BFMDemod::webapiFormatChannelSettings ( SWGSDRangel::SWGChannelSettings &  response, const BFMDemodSettings &  settings  )

private

Definition at line 688 of file bfmdemod.cpp.

References SWGSDRangel::SWGBFMDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGChannelSettings::getBfmDemodSettings(), SWGSDRangel::SWGBFMDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGBFMDemodSettings::getTitle(), BFMDemodSettings::m_afBandwidth, BFMDemodSettings::m_audioDeviceName, BFMDemodSettings::m_audioStereo, BFMDemodSettings::m_inputFrequencyOffset, BFMDemodSettings::m_lsbStereo, BFMDemodSettings::m_rdsActive, BFMDemodSettings::m_reverseAPIAddress, BFMDemodSettings::m_reverseAPIChannelIndex, BFMDemodSettings::m_reverseAPIDeviceIndex, BFMDemodSettings::m_reverseAPIPort, BFMDemodSettings::m_rfBandwidth, BFMDemodSettings::m_rgbColor, BFMDemodSettings::m_showPilot, BFMDemodSettings::m_squelch, BFMDemodSettings::m_title, BFMDemodSettings::m_useReverseAPI, BFMDemodSettings::m_volume, SWGSDRangel::SWGBFMDemodSettings::setAfBandwidth(), SWGSDRangel::SWGBFMDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGBFMDemodSettings::setAudioStereo(), SWGSDRangel::SWGBFMDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGBFMDemodSettings::setLsbStereo(), SWGSDRangel::SWGBFMDemodSettings::setRdsActive(), SWGSDRangel::SWGBFMDemodSettings::setReverseApiAddress(), SWGSDRangel::SWGBFMDemodSettings::setReverseApiChannelIndex(), SWGSDRangel::SWGBFMDemodSettings::setReverseApiDeviceIndex(), SWGSDRangel::SWGBFMDemodSettings::setReverseApiPort(), SWGSDRangel::SWGBFMDemodSettings::setRfBandwidth(), SWGSDRangel::SWGBFMDemodSettings::setRgbColor(), SWGSDRangel::SWGBFMDemodSettings::setShowPilot(), SWGSDRangel::SWGBFMDemodSettings::setSquelch(), SWGSDRangel::SWGBFMDemodSettings::setTitle(), SWGSDRangel::SWGBFMDemodSettings::setUseReverseApi(), and SWGSDRangel::SWGBFMDemodSettings::setVolume().

Referenced by webapiSettingsGet(), and webapiSettingsPutPatch().

{
    response.getBfmDemodSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    response.getBfmDemodSettings()->setRfBandwidth(settings.m_rfBandwidth);
    response.getBfmDemodSettings()->setAfBandwidth(settings.m_afBandwidth);
    response.getBfmDemodSettings()->setVolume(settings.m_volume);
    response.getBfmDemodSettings()->setSquelch(settings.m_squelch);
    response.getBfmDemodSettings()->setAudioStereo(settings.m_audioStereo ? 1 : 0);
    response.getBfmDemodSettings()->setLsbStereo(settings.m_lsbStereo ? 1 : 0);
    response.getBfmDemodSettings()->setShowPilot(settings.m_showPilot ? 1 : 0);
    response.getBfmDemodSettings()->setRdsActive(settings.m_rdsActive ? 1 : 0);
    response.getBfmDemodSettings()->setRgbColor(settings.m_rgbColor);

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

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

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

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

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

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webapiFormatRDSReport()

void BFMDemod::webapiFormatRDSReport ( SWGSDRangel::SWGRDSReport *  report )

private

Definition at line 750 of file bfmdemod.cpp.

References CalcDb::dbPower(), SWGSDRangel::SWGRDSReport::getAltFrequencies(), getDecoderQua(), getDemodAcc(), getDemodFclk(), getDemodQua(), getRDSParser(), RDSParser::m_g0_alt_freq, SWGSDRangel::SWGRDSReport::setAltFrequencies(), SWGSDRangel::SWGRDSReport::setDecodStatus(), SWGSDRangel::SWGRDSReport::setDemodStatus(), SWGSDRangel::SWGRDSReport::setMonoStereo(), SWGSDRangel::SWGRDSReport::setMusicSpeech(), SWGSDRangel::SWGRDSReport::setPiCoverage(), SWGSDRangel::SWGRDSReport::setPid(), SWGSDRangel::SWGRDSReport::setPiType(), SWGSDRangel::SWGRDSReport::setProgServiceName(), SWGSDRangel::SWGRDSReport::setRadioText(), SWGSDRangel::SWGRDSReport::setRdsDemodAccumDb(), SWGSDRangel::SWGRDSReport::setRdsDemodFrequency(), and SWGSDRangel::SWGRDSReport::setTime().

Referenced by webapiFormatChannelReport().

{
    report->setDemodStatus(round(getDemodQua()));
    report->setDecodStatus(round(getDecoderQua()));
    report->setRdsDemodAccumDb(CalcDb::dbPower(std::fabs(getDemodAcc())));
    report->setRdsDemodFrequency(getDemodFclk());
    report->setPid(new QString(str(boost::format("%04X") % getRDSParser().m_pi_program_identification).c_str()));
    report->setPiType(new QString(getRDSParser().pty_table[getRDSParser().m_pi_program_type].c_str()));
    report->setPiCoverage(new QString(getRDSParser().coverage_area_codes[getRDSParser().m_pi_area_coverage_index].c_str()));
    report->setProgServiceName(new QString(getRDSParser().m_g0_program_service_name));
    report->setMusicSpeech(new QString((getRDSParser().m_g0_music_speech ? "Music" : "Speech")));
    report->setMonoStereo(new QString((getRDSParser().m_g0_mono_stereo ? "Mono" : "Stereo")));
    report->setRadioText(new QString(getRDSParser().m_g2_radiotext));
    std::string time = str(boost::format("%4i-%02i-%02i %02i:%02i (%+.1fh)")\
        % (1900 + getRDSParser().m_g4_year) % getRDSParser().m_g4_month % getRDSParser().m_g4_day % getRDSParser().m_g4_hours % getRDSParser().m_g4_minutes % getRDSParser().m_g4_local_time_offset);
    report->setTime(new QString(time.c_str()));
    report->setAltFrequencies(new QList<SWGSDRangel::SWGRDSReport_altFrequencies*>);

    for (std::set<double>::iterator it = getRDSParser().m_g0_alt_freq.begin(); it != getRDSParser().m_g0_alt_freq.end(); ++it)
    {
        if (*it > 76.0)
        {
            report->getAltFrequencies()->append(new SWGSDRangel::SWGRDSReport_altFrequencies);
            report->getAltFrequencies()->back()->setFrequency(*it);
        }
    }
}

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webapiReportGet()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 677 of file bfmdemod.cpp.

References SWGSDRangel::SWGChannelReport::getBfmDemodReport(), SWGSDRangel::SWGBFMDemodReport::init(), SWGSDRangel::SWGChannelReport::setBfmDemodReport(), and webapiFormatChannelReport().

{
    (void) errorMessage;
    response.setBfmDemodReport(new SWGSDRangel::SWGBFMDemodReport());
    response.getBfmDemodReport()->init();
    webapiFormatChannelReport(response);
    return 200;
}

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webapiReverseSendSettings()

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

private

Definition at line 778 of file bfmdemod.cpp.

References SWGSDRangel::SWGChannelSettings::asJson(), SWGSDRangel::SWGChannelSettings::getBfmDemodSettings(), ChannelAPI::getDeviceSetIndex(), ChannelAPI::getIndexInDeviceSet(), BFMDemodSettings::m_afBandwidth, BFMDemodSettings::m_audioDeviceName, BFMDemodSettings::m_audioStereo, BFMDemodSettings::m_inputFrequencyOffset, BFMDemodSettings::m_lsbStereo, m_networkManager, m_networkRequest, BFMDemodSettings::m_rdsActive, BFMDemodSettings::m_reverseAPIAddress, BFMDemodSettings::m_reverseAPIChannelIndex, BFMDemodSettings::m_reverseAPIDeviceIndex, BFMDemodSettings::m_reverseAPIPort, BFMDemodSettings::m_rfBandwidth, BFMDemodSettings::m_rgbColor, BFMDemodSettings::m_showPilot, BFMDemodSettings::m_squelch, BFMDemodSettings::m_title, BFMDemodSettings::m_volume, SWGSDRangel::SWGBFMDemodSettings::setAfBandwidth(), SWGSDRangel::SWGBFMDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGBFMDemodSettings::setAudioStereo(), SWGSDRangel::SWGChannelSettings::setBfmDemodSettings(), SWGSDRangel::SWGChannelSettings::setChannelType(), SWGSDRangel::SWGChannelSettings::setDirection(), SWGSDRangel::SWGBFMDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGBFMDemodSettings::setLsbStereo(), SWGSDRangel::SWGChannelSettings::setOriginatorChannelIndex(), SWGSDRangel::SWGChannelSettings::setOriginatorDeviceSetIndex(), SWGSDRangel::SWGBFMDemodSettings::setRdsActive(), SWGSDRangel::SWGBFMDemodSettings::setRfBandwidth(), SWGSDRangel::SWGBFMDemodSettings::setRgbColor(), SWGSDRangel::SWGBFMDemodSettings::setShowPilot(), SWGSDRangel::SWGBFMDemodSettings::setSquelch(), SWGSDRangel::SWGBFMDemodSettings::setTitle(), and SWGSDRangel::SWGBFMDemodSettings::setVolume().

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("BFMDemod"));
    swgChannelSettings->setBfmDemodSettings(new SWGSDRangel::SWGBFMDemodSettings());
    SWGSDRangel::SWGBFMDemodSettings *swgBFMDemodSettings = swgChannelSettings->getBfmDemodSettings();

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

    if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
        swgBFMDemodSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    }
    if (channelSettingsKeys.contains("rfBandwidth") || force) {
        swgBFMDemodSettings->setRfBandwidth(settings.m_rfBandwidth);
    }
    if (channelSettingsKeys.contains("afBandwidth") || force) {
        swgBFMDemodSettings->setAfBandwidth(settings.m_afBandwidth);
    }
    if (channelSettingsKeys.contains("volume") || force) {
        swgBFMDemodSettings->setVolume(settings.m_volume);
    }
    if (channelSettingsKeys.contains("squelch") || force) {
        swgBFMDemodSettings->setSquelch(settings.m_squelch);
    }
    if (channelSettingsKeys.contains("audioStereo") || force) {
        swgBFMDemodSettings->setAudioStereo(settings.m_audioStereo ? 1 : 0);
    }
    if (channelSettingsKeys.contains("lsbStereo") || force) {
        swgBFMDemodSettings->setLsbStereo(settings.m_lsbStereo ? 1 : 0);
    }
    if (channelSettingsKeys.contains("showPilot") || force) {
        swgBFMDemodSettings->setShowPilot(settings.m_showPilot ? 1 : 0);
    }
    if (channelSettingsKeys.contains("rdsActive") || force) {
        swgBFMDemodSettings->setRdsActive(settings.m_rdsActive ? 1 : 0);
    }
    if (channelSettingsKeys.contains("rgbColor") || force) {
        swgBFMDemodSettings->setRgbColor(settings.m_rgbColor);
    }
    if (channelSettingsKeys.contains("title") || force) {
        swgBFMDemodSettings->setTitle(new QString(settings.m_title));
    }
    if (channelSettingsKeys.contains("audioDeviceName") || force) {
        swgBFMDemodSettings->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 BFMDemod::webapiSettingsGet ( SWGSDRangel::SWGChannelSettings &  response, QString &  errorMessage  )

virtual

Reimplemented from ChannelAPI.

Definition at line 580 of file bfmdemod.cpp.

References SWGSDRangel::SWGChannelSettings::getBfmDemodSettings(), SWGSDRangel::SWGBFMDemodSettings::init(), m_settings, SWGSDRangel::SWGChannelSettings::setBfmDemodSettings(), and webapiFormatChannelSettings().

{
    (void) errorMessage;
    response.setBfmDemodSettings(new SWGSDRangel::SWGBFMDemodSettings());
    response.getBfmDemodSettings()->init();
    webapiFormatChannelSettings(response, m_settings);
    return 200;
}

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webapiSettingsPutPatch()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 591 of file bfmdemod.cpp.

References BFMDemod::MsgConfigureBFMDemod::create(), BFMDemod::MsgConfigureChannelizer::create(), SWGSDRangel::SWGBFMDemodSettings::getAfBandwidth(), SWGSDRangel::SWGBFMDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGBFMDemodSettings::getAudioStereo(), SWGSDRangel::SWGChannelSettings::getBfmDemodSettings(), SWGSDRangel::SWGBFMDemodSettings::getInputFrequencyOffset(), SWGSDRangel::SWGBFMDemodSettings::getLsbStereo(), SWGSDRangel::SWGBFMDemodSettings::getRdsActive(), SWGSDRangel::SWGBFMDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGBFMDemodSettings::getReverseApiChannelIndex(), SWGSDRangel::SWGBFMDemodSettings::getReverseApiDeviceIndex(), SWGSDRangel::SWGBFMDemodSettings::getReverseApiPort(), SWGSDRangel::SWGBFMDemodSettings::getRfBandwidth(), SWGSDRangel::SWGBFMDemodSettings::getRgbColor(), SWGSDRangel::SWGBFMDemodSettings::getShowPilot(), SWGSDRangel::SWGBFMDemodSettings::getSquelch(), SWGSDRangel::SWGBFMDemodSettings::getTitle(), SWGSDRangel::SWGBFMDemodSettings::getUseReverseApi(), SWGSDRangel::SWGBFMDemodSettings::getVolume(), BFMDemodSettings::m_afBandwidth, BFMDemodSettings::m_audioDeviceName, BFMDemodSettings::m_audioStereo, BasebandSampleSink::m_guiMessageQueue, BFMDemodSettings::m_inputFrequencyOffset, BasebandSampleSink::m_inputMessageQueue, BFMDemodSettings::m_lsbStereo, BFMDemodSettings::m_rdsActive, BFMDemodSettings::m_reverseAPIAddress, BFMDemodSettings::m_reverseAPIChannelIndex, BFMDemodSettings::m_reverseAPIDeviceIndex, BFMDemodSettings::m_reverseAPIPort, BFMDemodSettings::m_rfBandwidth, BFMDemodSettings::m_rgbColor, m_settings, BFMDemodSettings::m_showPilot, BFMDemodSettings::m_squelch, BFMDemodSettings::m_title, BFMDemodSettings::m_useReverseAPI, BFMDemodSettings::m_volume, MessageQueue::push(), requiredBW(), and webapiFormatChannelSettings().

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

    if (channelSettingsKeys.contains("inputFrequencyOffset"))
    {
        settings.m_inputFrequencyOffset = response.getBfmDemodSettings()->getInputFrequencyOffset();
        frequencyOffsetChanged = true;
    }
    if (channelSettingsKeys.contains("rfBandwidth")) {
        settings.m_rfBandwidth = response.getBfmDemodSettings()->getRfBandwidth();
    }
    if (channelSettingsKeys.contains("afBandwidth")) {
        settings.m_afBandwidth = response.getBfmDemodSettings()->getAfBandwidth();
    }
    if (channelSettingsKeys.contains("volume")) {
        settings.m_volume = response.getBfmDemodSettings()->getVolume();
    }
    if (channelSettingsKeys.contains("squelch")) {
        settings.m_squelch = response.getBfmDemodSettings()->getSquelch();
    }
    if (channelSettingsKeys.contains("audioStereo")) {
        settings.m_audioStereo = response.getBfmDemodSettings()->getAudioStereo() != 0;
    }
    if (channelSettingsKeys.contains("lsbStereo")) {
        settings.m_lsbStereo = response.getBfmDemodSettings()->getLsbStereo() != 0;
    }
    if (channelSettingsKeys.contains("showPilot")) {
        settings.m_showPilot = response.getBfmDemodSettings()->getShowPilot() != 0;
    }
    if (channelSettingsKeys.contains("rdsActive")) {
        settings.m_rdsActive = response.getBfmDemodSettings()->getRdsActive() != 0;
    }
    if (channelSettingsKeys.contains("rgbColor")) {
        settings.m_rgbColor = response.getBfmDemodSettings()->getRgbColor();
    }
    if (channelSettingsKeys.contains("title")) {
        settings.m_title = *response.getBfmDemodSettings()->getTitle();
    }
    if (channelSettingsKeys.contains("audioDeviceName")) {
        settings.m_audioDeviceName = *response.getBfmDemodSettings()->getAudioDeviceName();
    }
    if (channelSettingsKeys.contains("useReverseAPI")) {
        settings.m_useReverseAPI = response.getBfmDemodSettings()->getUseReverseApi() != 0;
    }
    if (channelSettingsKeys.contains("reverseAPIAddress")) {
        settings.m_reverseAPIAddress = *response.getBfmDemodSettings()->getReverseApiAddress();
    }
    if (channelSettingsKeys.contains("reverseAPIPort")) {
        settings.m_reverseAPIPort = response.getBfmDemodSettings()->getReverseApiPort();
    }
    if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
        settings.m_reverseAPIDeviceIndex = response.getBfmDemodSettings()->getReverseApiDeviceIndex();
    }
    if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
        settings.m_reverseAPIChannelIndex = response.getBfmDemodSettings()->getReverseApiChannelIndex();
    }

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

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

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

    webapiFormatChannelSettings(response, settings);

    return 200;
}

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Member Data Documentation

default_deemphasis

const Real BFMDemod::default_deemphasis = 50.0

staticprivate

Definition at line 279 of file bfmdemod.h.

Referenced by applyAudioSampleRate(), and BFMDemod().

default_excursion

const int BFMDemod::default_excursion = 750000

staticprivate

Definition at line 282 of file bfmdemod.h.

filtFftLen

const int BFMDemod::filtFftLen = 1024

staticprivate

Definition at line 249 of file bfmdemod.h.

Referenced by BFMDemod().

m_audioBuffer

AudioVector BFMDemod::m_audioBuffer

private

Definition at line 262 of file bfmdemod.h.

Referenced by BFMDemod(), and feed().

m_audioBufferFill

uint BFMDemod::m_audioBufferFill

private

Definition at line 263 of file bfmdemod.h.

Referenced by BFMDemod(), and feed().

m_audioFifo

AudioFifo BFMDemod::m_audioFifo

private

Definition at line 266 of file bfmdemod.h.

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

m_audioSampleRate

quint32 BFMDemod::m_audioSampleRate

private

Definition at line 232 of file bfmdemod.h.

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

m_channelId

const QString BFMDemod::m_channelId = "BFMDemod"

static

Definition at line 207 of file bfmdemod.h.

Referenced by BFMDemod(), and BFMPlugin::initPlugin().

m_channelIdURI

const QString BFMDemod::m_channelIdURI = "sdrangel.channel.bfm"

static

Definition at line 206 of file bfmdemod.h.

Referenced by BFMDemodGUI::BFMDemodGUI(), and BFMPlugin::initPlugin().

m_channelizer

DownChannelizer* BFMDemod::m_channelizer

private

Definition at line 227 of file bfmdemod.h.

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

m_deemphasisFilterX

LowPassFilterRC BFMDemod::m_deemphasisFilterX

private

Definition at line 277 of file bfmdemod.h.

Referenced by applyAudioSampleRate(), BFMDemod(), and feed().

m_deemphasisFilterY

LowPassFilterRC BFMDemod::m_deemphasisFilterY

private

Definition at line 278 of file bfmdemod.h.

Referenced by applyAudioSampleRate(), BFMDemod(), and feed().

m_deviceAPI

DeviceAPI* BFMDemod::m_deviceAPI

private

Definition at line 225 of file bfmdemod.h.

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

m_fmExcursion

Real BFMDemod::m_fmExcursion

private

Definition at line 281 of file bfmdemod.h.

Referenced by applyChannelSettings(), applySettings(), and BFMDemod().

m_inputFrequencyOffset

int BFMDemod::m_inputFrequencyOffset

private

Definition at line 230 of file bfmdemod.h.

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

m_inputSampleRate

int BFMDemod::m_inputSampleRate

private

Definition at line 229 of file bfmdemod.h.

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

m_interpolator

Interpolator BFMDemod::m_interpolator

private

Interpolator between fixed demod bandwidth and audio bandwidth (rational)

Definition at line 235 of file bfmdemod.h.

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

m_interpolatorDistance

Real BFMDemod::m_interpolatorDistance

private

Definition at line 236 of file bfmdemod.h.

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

m_interpolatorDistanceRemain

Real BFMDemod::m_interpolatorDistanceRemain

private

Definition at line 237 of file bfmdemod.h.

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

m_interpolatorRDS

Interpolator BFMDemod::m_interpolatorRDS

private

Twin Interpolator for stereo subcarrier.

Definition at line 243 of file bfmdemod.h.

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

m_interpolatorRDSDistance

Real BFMDemod::m_interpolatorRDSDistance

private

Definition at line 244 of file bfmdemod.h.

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

m_interpolatorRDSDistanceRemain

Real BFMDemod::m_interpolatorRDSDistanceRemain

private

Definition at line 245 of file bfmdemod.h.

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

m_interpolatorStereo

Interpolator BFMDemod::m_interpolatorStereo

private

Twin Interpolator for stereo subcarrier.

Definition at line 239 of file bfmdemod.h.

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

m_interpolatorStereoDistance

Real BFMDemod::m_interpolatorStereoDistance

private

Definition at line 240 of file bfmdemod.h.

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

m_interpolatorStereoDistanceRemain

Real BFMDemod::m_interpolatorStereoDistanceRemain

private

Definition at line 241 of file bfmdemod.h.

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

m_lowpass

Lowpass<Real> BFMDemod::m_lowpass

private

Definition at line 247 of file bfmdemod.h.

Referenced by applySettings().

m_m1Arg

Real BFMDemod::m_m1Arg

private

Definition at line 254 of file bfmdemod.h.

Referenced by BFMDemod().

m_magsq

double BFMDemod::m_magsq

private

x^-1 real sample

Definition at line 256 of file bfmdemod.h.

Referenced by BFMDemod().

m_magsqCount

int BFMDemod::m_magsqCount

private

Definition at line 259 of file bfmdemod.h.

Referenced by BFMDemod(), and feed().

m_magSqLevelStore

MagSqLevelsStore BFMDemod::m_magSqLevelStore

private

Definition at line 260 of file bfmdemod.h.

m_magsqPeak

double BFMDemod::m_magsqPeak

private

Definition at line 258 of file bfmdemod.h.

Referenced by BFMDemod(), and feed().

m_magsqSum

double BFMDemod::m_magsqSum

private

Definition at line 257 of file bfmdemod.h.

Referenced by BFMDemod(), and feed().

m_nco

NCO BFMDemod::m_nco

private

Definition at line 234 of file bfmdemod.h.

Referenced by applyChannelSettings(), and feed().

m_networkManager

QNetworkAccessManager* BFMDemod::m_networkManager

private

Definition at line 288 of file bfmdemod.h.

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

m_networkRequest

QNetworkRequest BFMDemod::m_networkRequest

private

Definition at line 289 of file bfmdemod.h.

Referenced by webapiReverseSendSettings().

m_phaseDiscri

PhaseDiscriminators BFMDemod::m_phaseDiscri

private

Definition at line 284 of file bfmdemod.h.

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

m_pilotPLL

RDSPhaseLock BFMDemod::m_pilotPLL

private

Definition at line 270 of file bfmdemod.h.

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

m_pilotPLLSamples

Real BFMDemod::m_pilotPLLSamples[4]

private

Definition at line 271 of file bfmdemod.h.

Referenced by feed().

m_rdsDecoder

RDSDecoder BFMDemod::m_rdsDecoder

private

Definition at line 274 of file bfmdemod.h.

Referenced by feed().

m_rdsDemod

RDSDemod BFMDemod::m_rdsDemod

private

Definition at line 273 of file bfmdemod.h.

Referenced by feed().

m_rdsParser

RDSParser BFMDemod::m_rdsParser

private

Definition at line 275 of file bfmdemod.h.

Referenced by feed().

m_rfFilter

fftfilt* BFMDemod::m_rfFilter

private

Definition at line 248 of file bfmdemod.h.

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

m_sampleBuffer

SampleVector BFMDemod::m_sampleBuffer

private

Definition at line 267 of file bfmdemod.h.

Referenced by feed().

m_sampleSink

BasebandSampleSink* BFMDemod::m_sampleSink

private

Definition at line 265 of file bfmdemod.h.

Referenced by BFMDemod(), feed(), and handleMessage().

m_settings

BFMDemodSettings BFMDemod::m_settings

private

Definition at line 231 of file bfmdemod.h.

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

m_settingsMutex

QMutex BFMDemod::m_settingsMutex

private

Definition at line 268 of file bfmdemod.h.

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

m_squelchLevel

Real BFMDemod::m_squelchLevel

private

Definition at line 251 of file bfmdemod.h.

Referenced by applySettings(), BFMDemod(), and feed().

m_squelchState

int BFMDemod::m_squelchState

private

Definition at line 252 of file bfmdemod.h.

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

m_threadedChannelizer

ThreadedBasebandSampleSink* BFMDemod::m_threadedChannelizer

private

Definition at line 226 of file bfmdemod.h.

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

m_udpBlockSize

const int BFMDemod::m_udpBlockSize = 512

staticprivate

Definition at line 286 of file bfmdemod.h.

---

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

• plugins/channelrx/demodbfm/bfmdemod.h
• plugins/channelrx/demodbfm/bfmdemod.cpp