AMDemod Class Reference

#include <amdemod.h>

Inheritance diagram for AMDemod:

Collaboration diagram for AMDemod:

Classes
struct	MagSqLevelsStore
class	MsgConfigureAMDemod
class	MsgConfigureChannelizer

Public Member Functions
	AMDemod (DeviceAPI *deviceAPI)
	~AMDemod ()
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
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)
uint32_t	getAudioSampleRate () const
double	getMagSq () const
bool	getSquelchOpen () const
bool	getPllLocked () const
Real	getPllFrequency () const
void	getMagSqLevels (double &avg, double &peak, int &nbSamples)
uint32_t	getNumberOfDeviceStreams () const
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 Attributes
static const QString	m_channelIdURI = "sdrangel.channel.amdemod"
static const QString	m_channelId = "AMDemod"

Private Types
enum	RateState { RSInitialFill, RSRunning }

Private Slots
void	networkManagerFinished (QNetworkReply *reply)

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

Private Attributes
DeviceAPI *	m_deviceAPI
ThreadedBasebandSampleSink *	m_threadedChannelizer
DownChannelizer *	m_channelizer
int	m_inputSampleRate
int	m_inputFrequencyOffset
AMDemodSettings	m_settings
uint32_t	m_audioSampleRate
bool	m_running
NCO	m_nco
Interpolator	m_interpolator
Real	m_interpolatorDistance
Real	m_interpolatorDistanceRemain
Real	m_squelchLevel
uint32_t	m_squelchCount
bool	m_squelchOpen
DoubleBufferFIFO< Real >	m_squelchDelayLine
double	m_magsq
double	m_magsqSum
double	m_magsqPeak
int	m_magsqCount
MagSqLevelsStore	m_magSqLevelStore
MovingAverageUtil< Real, double, 16 >	m_movingAverage
SimpleAGC< 4800 >	m_volumeAGC
Bandpass< Real >	m_bandpass
Lowpass< Real >	m_lowpass
Lowpass< std::complex< float > >	m_pllFilt
PhaseLockComplex	m_pll
fftfilt *	DSBFilter
fftfilt *	SSBFilter
Real	m_syncAMBuff [2 *1024]
uint32_t	m_syncAMBuffIndex
MagAGC	m_syncAMAGC
AudioVector	m_audioBuffer
uint32_t	m_audioBufferFill
AudioFifo	m_audioFifo
QNetworkAccessManager *	m_networkManager
QNetworkRequest	m_networkRequest
QMutex	m_settingsMutex

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 amdemod.h.

Member Enumeration Documentation

RateState

enum AMDemod::RateState

private

Enumerator
RSInitialFill
RSRunning

Definition at line 177 of file amdemod.h.

                   {
        RSInitialFill,
        RSRunning
    };

Constructor & Destructor Documentation

AMDemod()

AMDemod::AMDemod

(

DeviceAPI *

deviceAPI

)

Definition at line 52 of file amdemod.cpp.

References AudioDeviceManager::addAudioSink(), DeviceAPI::addChannelSink(), DeviceAPI::addChannelSinkAPI(), applyChannelSettings(), applySettings(), PhaseLockComplex::computeCoefficients(), Lowpass< Type >::create(), DSBFilter, 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_magsq, m_networkManager, m_pll, m_pllFilt, AMDemodSettings::m_rfBandwidth, m_settings, m_syncAMAGC, m_syncAMBuffIndex, m_threadedChannelizer, networkManagerFinished(), MagAGC::resize(), MagAGC::setThresholdEnable(), and SSBFilter.

Referenced by AMDemod::MsgConfigureChannelizer::MsgConfigureChannelizer().

                                     :
        ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
        m_deviceAPI(deviceAPI),
        m_inputSampleRate(48000),
        m_inputFrequencyOffset(0),
        m_running(false),
        m_squelchOpen(false),
        m_squelchDelayLine(9600),
        m_magsqSum(0.0f),
        m_magsqPeak(0.0f),
        m_magsqCount(0),
        m_volumeAGC(0.003),
        m_syncAMAGC(12000, 0.1, 1e-2),
        m_audioFifo(48000),
        m_settingsMutex(QMutex::Recursive)
{
    setObjectName(m_channelId);

    m_audioBuffer.resize(1<<14);
    m_audioBufferFill = 0;

    m_magsq = 0.0;

    DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifo, getInputMessageQueue());
    m_audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate();
    DSBFilter = new fftfilt((2.0f * m_settings.m_rfBandwidth) / m_audioSampleRate, 2 * 1024);
    SSBFilter = new fftfilt(0.0f, m_settings.m_rfBandwidth / m_audioSampleRate, 1024);
    m_syncAMAGC.setThresholdEnable(false);
    m_syncAMAGC.resize(12000, 6000, 0.1);

    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_pllFilt.create(101, m_audioSampleRate, 200.0);
    m_pll.computeCoefficients(0.05, 0.707, 1000);
    m_syncAMBuffIndex = 0;

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

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~AMDemod()

AMDemod::~AMDemod

(

)

Definition at line 98 of file amdemod.cpp.

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

Referenced by AMDemod::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 DSBFilter;
    delete SSBFilter;
}

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Member Function Documentation

applyAudioSampleRate()

void AMDemod::applyAudioSampleRate ( int  sampleRate )

private

Definition at line 377 of file amdemod.cpp.

References Bandpass< Type >::create(), Lowpass< Type >::create(), Interpolator::create(), AMDemod::MsgConfigureChannelizer::create(), fftfilt::create_dsb_filter(), DSBFilter, m_audioFifo, m_audioSampleRate, m_bandpass, AMDemodSettings::m_inputFrequencyOffset, BasebandSampleSink::m_inputMessageQueue, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_lowpass, AMDemodSettings::m_pll, m_pll, m_pllFilt, AMDemodSettings::m_rfBandwidth, m_settings, m_settingsMutex, m_squelchDelayLine, m_syncAMAGC, m_volumeAGC, MessageQueue::push(), DoubleBufferFIFO< T >::resize(), MagAGC::resize(), SimpleAGC< AvgSize >::resizeNew(), PhaseLockComplex::setSampleRate(), and AudioFifo::setSize().

Referenced by applySettings(), and handleMessage().

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

    MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
            sampleRate, m_settings.m_inputFrequencyOffset);
    m_inputMessageQueue.push(channelConfigMsg);

    m_settingsMutex.lock();

    m_interpolator.create(16, m_inputSampleRate, m_settings.m_rfBandwidth / 2.2f);
    m_interpolatorDistanceRemain = 0;
    m_interpolatorDistance = (Real) m_inputSampleRate / (Real) sampleRate;
    m_bandpass.create(301, sampleRate, 300.0, m_settings.m_rfBandwidth / 2.0f);
    m_lowpass.create(301, sampleRate,  m_settings.m_rfBandwidth / 2.0f);
    m_audioFifo.setSize(sampleRate);
    m_squelchDelayLine.resize(sampleRate/5);
    DSBFilter->create_dsb_filter((2.0f * m_settings.m_rfBandwidth) / (float) sampleRate);
    m_pllFilt.create(101, sampleRate, 200.0);

    if (m_settings.m_pll) {
        m_volumeAGC.resizeNew(sampleRate, 0.003);
    } else {
        m_volumeAGC.resizeNew(sampleRate/10, 0.003);
    }

    m_syncAMAGC.resize(sampleRate/4, sampleRate/8, 0.1);
    m_pll.setSampleRate(sampleRate);

    m_settingsMutex.unlock();
    m_audioSampleRate = sampleRate;
}

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applyChannelSettings()

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

private

Definition at line 410 of file amdemod.cpp.

References Interpolator::create(), m_audioSampleRate, m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_nco, AMDemodSettings::m_rfBandwidth, m_settings, m_settingsMutex, and NCO::setFreq().

Referenced by AMDemod(), applySettings(), handleMessage(), and start().

{
    qDebug() << "AMDemod::applyChannelSettings:"
            << " inputSampleRate: " << inputSampleRate
            << " inputFrequencyOffset: " << inputFrequencyOffset
            << " m_audioSampleRate: " << m_audioSampleRate;

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

    if ((m_inputSampleRate != inputSampleRate) || force)
    {
        m_settingsMutex.lock();
        m_interpolator.create(16, inputSampleRate, m_settings.m_rfBandwidth / 2.2f);
        m_interpolatorDistanceRemain = 0;
        m_interpolatorDistance = (Real) inputSampleRate / (Real) m_audioSampleRate;
        m_settingsMutex.unlock();
    }

    m_inputSampleRate = inputSampleRate;
    m_inputFrequencyOffset = inputFrequencyOffset;
}

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applySettings()

void AMDemod::applySettings ( const AMDemodSettings &  settings, bool  force = false  )

private

Definition at line 436 of file amdemod.cpp.

References AudioDeviceManager::addAudioSink(), DeviceAPI::addChannelSink(), DeviceAPI::addChannelSinkAPI(), applyAudioSampleRate(), applyChannelSettings(), Bandpass< Type >::create(), Lowpass< Type >::create(), Interpolator::create(), fftfilt::create_dsb_filter(), DSBFilter, DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputDeviceIndex(), AudioDeviceManager::getOutputSampleRate(), DeviceAPI::getSampleMIMO(), DeviceSampleMIMO::getSourceSampleRate(), DSPEngine::instance(), AMDemodSettings::m_audioDeviceName, m_audioFifo, AMDemodSettings::m_audioMute, m_audioSampleRate, m_bandpass, AMDemodSettings::m_bandpassEnable, m_deviceAPI, AMDemodSettings::m_inputFrequencyOffset, m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_lowpass, AMDemodSettings::m_pll, AMDemodSettings::m_reverseAPIAddress, AMDemodSettings::m_reverseAPIChannelIndex, AMDemodSettings::m_reverseAPIDeviceIndex, AMDemodSettings::m_reverseAPIPort, AMDemodSettings::m_rfBandwidth, m_settings, m_settingsMutex, AMDemodSettings::m_squelch, m_squelchLevel, AMDemodSettings::m_streamIndex, m_syncAMBuffIndex, AMDemodSettings::m_syncAMOperation, m_threadedChannelizer, AMDemodSettings::m_useReverseAPI, AMDemodSettings::m_volume, m_volumeAGC, CalcDb::powerFromdB(), DeviceAPI::removeChannelSink(), DeviceAPI::removeChannelSinkAPI(), SimpleAGC< AvgSize >::resizeNew(), and webapiReverseSendSettings().

Referenced by AMDemod(), and handleMessage().

{
    qDebug() << "AMDemod::applySettings:"
            << " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
            << " m_rfBandwidth: " << settings.m_rfBandwidth
            << " m_volume: " << settings.m_volume
            << " m_squelch: " << settings.m_squelch
            << " m_audioMute: " << settings.m_audioMute
            << " m_bandpassEnable: " << settings.m_bandpassEnable
            << " m_audioDeviceName: " << settings.m_audioDeviceName
            << " m_pll: " << settings.m_pll
            << " m_syncAMOperation: " << (int) settings.m_syncAMOperation
            << " m_streamIndex: " << settings.m_streamIndex
            << " 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((m_settings.m_rfBandwidth != settings.m_rfBandwidth) ||
        (m_settings.m_bandpassEnable != settings.m_bandpassEnable) || force)
    {
        m_settingsMutex.lock();
        m_interpolator.create(16, m_inputSampleRate, settings.m_rfBandwidth / 2.2f);
        m_interpolatorDistanceRemain = 0;
        m_interpolatorDistance = (Real) m_inputSampleRate / (Real) m_audioSampleRate;
        m_bandpass.create(301, m_audioSampleRate, 300.0, settings.m_rfBandwidth / 2.0f);
        m_lowpass.create(301, m_audioSampleRate,  settings.m_rfBandwidth / 2.0f);
        DSBFilter->create_dsb_filter((2.0f * settings.m_rfBandwidth) / (float) m_audioSampleRate);
        m_settingsMutex.unlock();

        if ((m_settings.m_rfBandwidth != settings.m_rfBandwidth) || force) {
            reverseAPIKeys.append("rfBandwidth");
        }
        if ((m_settings.m_bandpassEnable != settings.m_bandpassEnable) || force) {
            reverseAPIKeys.append("bandpassEnable");
        }
    }

    if ((m_settings.m_squelch != settings.m_squelch) || force)
    {
        m_squelchLevel = CalcDb::powerFromdB(settings.m_squelch);
        reverseAPIKeys.append("squelch");
    }

    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);
        }

        reverseAPIKeys.append("audioDeviceName");
    }

    if ((m_settings.m_pll != settings.m_pll) || force)
    {
        if (settings.m_pll)
        {
            m_volumeAGC.resizeNew(m_audioSampleRate/4, 0.003);
            m_syncAMBuffIndex = 0;
        }
        else
        {
            m_volumeAGC.resizeNew(m_audioSampleRate/10, 0.003);
        }

        reverseAPIKeys.append("pll");
        reverseAPIKeys.append("syncAMOperation");
    }

    if ((m_settings.m_syncAMOperation != settings.m_syncAMOperation) || force)
    {
        m_syncAMBuffIndex = 0;
        reverseAPIKeys.append("pll");
        reverseAPIKeys.append("syncAMOperation");
    }

    if ((m_settings.m_inputFrequencyOffset != settings.m_inputFrequencyOffset) || force) {
        reverseAPIKeys.append("inputFrequencyOffset");
    }

    if ((m_settings.m_audioMute != settings.m_audioMute) || force) {
        reverseAPIKeys.append("audioMute");
    }

    if ((m_settings.m_volume != settings.m_volume) || force) {
        reverseAPIKeys.append("volume");
    }

    if (m_settings.m_streamIndex != settings.m_streamIndex)
    {
        if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
        {
            m_deviceAPI->removeChannelSinkAPI(this, m_settings.m_streamIndex);
            m_deviceAPI->removeChannelSink(m_threadedChannelizer, m_settings.m_streamIndex);
            m_deviceAPI->addChannelSink(m_threadedChannelizer, settings.m_streamIndex);
            m_deviceAPI->addChannelSinkAPI(this, settings.m_streamIndex);
            // apply stream sample rate to itself
            applyChannelSettings(m_deviceAPI->getSampleMIMO()->getSourceSampleRate(settings.m_streamIndex), m_inputFrequencyOffset);
        }

        reverseAPIKeys.append("streamIndex");
    }

    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 AMDemod::deserialize ( const QByteArray &  data )

virtual

Implements ChannelAPI.

Definition at line 567 of file amdemod.cpp.

References AMDemod::MsgConfigureAMDemod::create(), AMDemodSettings::deserialize(), BasebandSampleSink::m_inputMessageQueue, m_settings, MessageQueue::push(), and AMDemodSettings::resetToDefaults().

Referenced by getCenterFrequency().

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

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destroy()

virtual void AMDemod::destroy ( )

inlinevirtual

Implements ChannelAPI.

Definition at line 99 of file amdemod.h.

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

{ delete this; }

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feed()

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

virtual

Implements BasebandSampleSink.

Definition at line 116 of file amdemod.cpp.

References Interpolator::decimate(), Interpolator::interpolate(), m_audioBuffer, m_audioBufferFill, m_audioFifo, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_nco, m_running, m_settingsMutex, NCO::nextIQ(), processOneSample(), and AudioFifo::write().

Referenced by destroy().

{
    (void) firstOfBurst;
    Complex ci;

    if (!m_running) {
        return;
    }

    m_settingsMutex.lock();

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

        if (m_interpolatorDistance < 1.0f) // interpolate
        {
            while (!m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci))
            {
                processOneSample(ci);
                m_interpolatorDistanceRemain += m_interpolatorDistance;
            }
        }
        else // decimate
        {
            if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
            {
                processOneSample(ci);
                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("AMDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
        }

        m_audioBufferFill = 0;
    }

    m_settingsMutex.unlock();
}

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getAudioSampleRate()

uint32_t AMDemod::getAudioSampleRate ( ) const

inline

Definition at line 137 of file amdemod.h.

References m_audioSampleRate.

Referenced by AMDemodGUI::applySettings(), and AMDemodGUI::tick().

{ return m_audioSampleRate; }

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getCenterFrequency()

virtual qint64 AMDemod::getCenterFrequency ( ) const

inlinevirtual

Applies to a default stream.

Implements ChannelAPI.

Definition at line 108 of file amdemod.h.

References deserialize(), AMDemodSettings::m_inputFrequencyOffset, AMDemod::MsgConfigureAMDemod::m_settings, and serialize().

{ return m_settings.m_inputFrequencyOffset; }

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getIdentifier()

virtual void AMDemod::getIdentifier ( QString &  id )

inlinevirtual

Implements ChannelAPI.

Definition at line 106 of file amdemod.h.

{ id = objectName(); }

getMagSq()

double AMDemod::getMagSq ( ) const

inline

Definition at line 138 of file amdemod.h.

References m_magsq.

{ return m_magsq; }

getMagSqLevels()

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

inline

Definition at line 143 of file amdemod.h.

References getNumberOfDeviceStreams(), AMDemod::MagSqLevelsStore::m_magsq, m_magsq, m_magsqCount, m_magSqLevelStore, AMDemod::MagSqLevelsStore::m_magsqPeak, m_magsqPeak, and m_magsqSum.

Referenced by AMDemodGUI::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 AMDemod::getNbSinkStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 113 of file amdemod.h.

{ return 1; }

getNbSourceStreams()

virtual int AMDemod::getNbSourceStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 114 of file amdemod.h.

{ return 0; }

getNumberOfDeviceStreams()

uint32_t AMDemod::getNumberOfDeviceStreams

(

)

const

Definition at line 111 of file amdemod.cpp.

References DeviceAPI::getNbSourceStreams(), and m_deviceAPI.

Referenced by getMagSqLevels(), and AMDemodGUI::onMenuDialogCalled().

{
    return m_deviceAPI->getNbSourceStreams();
}

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getPllFrequency()

Real AMDemod::getPllFrequency ( ) const

inline

Definition at line 141 of file amdemod.h.

References PhaseLockComplex::getFreq(), and m_pll.

Referenced by AMDemodGUI::tick().

{ return m_pll.getFreq(); }

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getPllLocked()

bool AMDemod::getPllLocked ( ) const

inline

Definition at line 140 of file amdemod.h.

References PhaseLockComplex::locked(), AMDemodSettings::m_pll, m_pll, and AMDemod::MsgConfigureAMDemod::m_settings.

Referenced by AMDemodGUI::tick().

{ return m_settings.m_pll && m_pll.locked(); }

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getSquelchOpen()

bool AMDemod::getSquelchOpen ( ) const

inline

Definition at line 139 of file amdemod.h.

References m_squelchOpen.

Referenced by AMDemodGUI::tick().

{ return m_squelchOpen; }

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getStreamCenterFrequency()

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

inlinevirtual

Implements ChannelAPI.

Definition at line 116 of file amdemod.h.

References AMDemodSettings::m_inputFrequencyOffset, AMDemod::MsgConfigureAMDemod::m_settings, webapiReportGet(), webapiSettingsGet(), and webapiSettingsPutPatch().

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

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getTitle()

virtual void AMDemod::getTitle ( QString &  title )

inlinevirtual

Implements ChannelAPI.

Definition at line 107 of file amdemod.h.

References AMDemod::MsgConfigureAMDemod::m_settings, and AMDemodSettings::m_title.

{ title = m_settings.m_title; }

handleMessage()

bool AMDemod::handleMessage ( const Message &  cmd )

virtual

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

Implements BasebandSampleSink.

Definition at line 310 of file amdemod.cpp.

References applyAudioSampleRate(), applyChannelSettings(), applySettings(), DownChannelizer::configure(), AMDemod::MsgConfigureChannelizer::getCenterFrequency(), AMDemod::MsgConfigureAMDemod::getForce(), DownChannelizer::MsgChannelizerNotification::getFrequencyOffset(), BasebandSampleSink::getInputMessageQueue(), DownChannelizer::MsgChannelizerNotification::getSampleRate(), AMDemod::MsgConfigureChannelizer::getSampleRate(), DSPConfigureAudio::getSampleRate(), AMDemod::MsgConfigureAMDemod::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() << "AMDemod::handleMessage: MsgChannelizerNotification:"
                << " inputSampleRate: " << notif.getSampleRate()
                << " inputFrequencyOffset: " << notif.getFrequencyOffset();

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

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

        qDebug() << "AMDemod::handleMessage: MsgConfigureChannelizer:"
                << " sampleRate: " << cfg.getSampleRate()
                << " inputFrequencyOffset: " << cfg.getCenterFrequency();

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

        return true;
    }
    else if (MsgConfigureAMDemod::match(cmd))
    {
        MsgConfigureAMDemod& cfg = (MsgConfigureAMDemod&) cmd;
        qDebug() << "AMDemod::handleMessage: MsgConfigureAMDemod";
        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("AMDemod::handleMessage: BasebandSampleSink::MsgThreadedSink: %p", thread);
        return true;
    }
    else if (DSPSignalNotification::match(cmd))
    {
        return true;
    }
    else if (DSPConfigureAudio::match(cmd))
    {
        DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
        uint32_t sampleRate = cfg.getSampleRate();

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

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

        return true;
    }
    else
    {
        return false;
    }
}

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networkManagerFinished

void AMDemod::networkManagerFinished ( QNetworkReply *  reply )

privateslot

Definition at line 816 of file amdemod.cpp.

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

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

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

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

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processOneSample()

void AMDemod::processOneSample ( Complex &  ci )

private

Definition at line 165 of file amdemod.cpp.

References MovingAverageUtil< T, Total, N >::asDouble(), AudioFifo::clear(), DSBFilter, PhaseLockComplex::feed(), SimpleAGC< AvgSize >::feed(), MagAGC::feedAndGetValue(), Lowpass< Type >::filter(), Bandpass< Type >::filter(), PhaseLockComplex::getImag(), PhaseLockComplex::getReal(), SimpleAGC< AvgSize >::getValue(), i, m_audioBuffer, m_audioBufferFill, m_audioFifo, AMDemodSettings::m_audioMute, m_audioSampleRate, m_bandpass, AMDemodSettings::m_bandpassEnable, m_lowpass, m_magsq, m_magsqCount, m_magsqPeak, m_magsqSum, m_movingAverage, AMDemodSettings::m_pll, m_pll, m_pllFilt, m_settings, m_squelchCount, m_squelchDelayLine, m_squelchLevel, m_squelchOpen, m_syncAMAGC, m_syncAMBuff, m_syncAMBuffIndex, AMDemodSettings::m_syncAMOperation, AMDemodSettings::m_volume, m_volumeAGC, DoubleBufferFIFO< T >::readBack(), fftfilt::runDSB(), fftfilt::runSSB(), SDR_RX_SCALEF, StepFunctions::smootherstep(), sqrt(), SSBFilter, AMDemodSettings::SyncAMDSB, AMDemodSettings::SyncAMUSB, AudioFifo::write(), and DoubleBufferFIFO< T >::write().

Referenced by feed().

{
    Real re = ci.real() / SDR_RX_SCALEF;
    Real im = ci.imag() / SDR_RX_SCALEF;
    Real magsq = re*re + im*im;
    m_movingAverage(magsq);
    m_magsq = m_movingAverage.asDouble();
    m_magsqSum += magsq;

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

    m_magsqCount++;

    m_squelchDelayLine.write(magsq);

    if (m_magsq < m_squelchLevel)
    {
        if (m_squelchCount > 0) {
            m_squelchCount--;
        }
    }
    else
    {
        if (m_squelchCount < m_audioSampleRate / 10) {
            m_squelchCount++;
        }
    }

    qint16 sample;

    m_squelchOpen = (m_squelchCount >= m_audioSampleRate / 20);

    if (m_squelchOpen && !m_settings.m_audioMute)
    {
        Real demod;

        if (m_settings.m_pll)
        {
            std::complex<float> s(re, im);
            s = m_pllFilt.filter(s);
            m_pll.feed(s.real(), s.imag());
            float yr = re * m_pll.getImag() - im * m_pll.getReal();
            float yi = re * m_pll.getReal() + im * m_pll.getImag();

            fftfilt::cmplx *sideband;
            std::complex<float> cs(yr, yi);
            int n_out;

            if (m_settings.m_syncAMOperation == AMDemodSettings::SyncAMDSB) {
                n_out = DSBFilter->runDSB(cs, &sideband, false);
            } else {
                n_out = SSBFilter->runSSB(cs, &sideband, m_settings.m_syncAMOperation == AMDemodSettings::SyncAMUSB, false);
            }

            for (int i = 0; i < n_out; i++)
            {
                float agcVal = m_syncAMAGC.feedAndGetValue(sideband[i]);
                fftfilt::cmplx z = sideband[i] * agcVal; // * m_syncAMAGC.getStepValue();

                if (m_settings.m_syncAMOperation == AMDemodSettings::SyncAMDSB) {
                    m_syncAMBuff[i] = (z.real() + z.imag());
                } else if (m_settings.m_syncAMOperation == AMDemodSettings::SyncAMUSB) {
                    m_syncAMBuff[i] = (z.real() + z.imag());
                } else {
                    m_syncAMBuff[i] = (z.real() + z.imag());
                }

//                    if (m_settings.m_syncAMOperation == AMDemodSettings::SyncAMDSB) {
//                        m_syncAMBuff[i] = (sideband[i].real() + sideband[i].imag())/2.0f;
//                    } else if (m_settings.m_syncAMOperation == AMDemodSettings::SyncAMUSB) {
//                        m_syncAMBuff[i] = (sideband[i].real() + sideband[i].imag());
//                    } else {
//                        m_syncAMBuff[i] = (sideband[i].real() + sideband[i].imag());
//                    }

                m_syncAMBuffIndex = 0;
            }

            m_syncAMBuffIndex = m_syncAMBuffIndex < 2*1024 ? m_syncAMBuffIndex : 0;
            demod = m_syncAMBuff[m_syncAMBuffIndex++]*4.0f; // mos pifometrico
//                demod = m_syncAMBuff[m_syncAMBuffIndex++]*(SDR_RX_SCALEF/602.0f);
//                m_volumeAGC.feed(demod);
//                demod /= (10.0*m_volumeAGC.getValue());
        }
        else
        {
            demod = sqrt(m_squelchDelayLine.readBack(m_audioSampleRate/20));
            m_volumeAGC.feed(demod);
            demod = (demod - m_volumeAGC.getValue()) / m_volumeAGC.getValue();
        }

        if (m_settings.m_bandpassEnable)
        {
            demod = m_bandpass.filter(demod);
            demod /= 301.0f;
        }
        else
        {
            demod = m_lowpass.filter(demod);
        }

        Real attack = (m_squelchCount - 0.05f * m_audioSampleRate) / (0.05f * m_audioSampleRate);
        sample = demod * StepFunctions::smootherstep(attack) * (m_audioSampleRate/24) * m_settings.m_volume;
    }
    else
    {
        sample = 0;
    }

    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("AMDemod::processOneSample: %u/%u audio samples written", res, m_audioBufferFill);
            m_audioFifo.clear();
        }

        m_audioBufferFill = 0;
    }
}

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serialize()

QByteArray AMDemod::serialize ( ) const

virtual

Implements ChannelAPI.

Definition at line 562 of file amdemod.cpp.

References m_settings, and AMDemodSettings::serialize().

Referenced by getCenterFrequency().

{
    return m_settings.serialize();
}

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start()

void AMDemod::start ( )

virtual

Implements BasebandSampleSink.

Definition at line 295 of file amdemod.cpp.

References applyChannelSettings(), AudioFifo::clear(), m_audioFifo, m_inputFrequencyOffset, m_inputSampleRate, m_running, and m_squelchCount.

Referenced by destroy().

{
    qDebug("AMDemod::start");
    m_squelchCount = 0;
    m_audioFifo.clear();
    applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
    m_running = true;
}

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stop()

void AMDemod::stop ( )

virtual

Implements BasebandSampleSink.

Definition at line 304 of file amdemod.cpp.

References m_running.

Referenced by destroy().

{
    qDebug("AMDemod::stop");
    m_running = false;
}

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webapiFormatChannelReport()

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

private

Definition at line 736 of file amdemod.cpp.

References CalcDb::dbPower(), SWGSDRangel::SWGChannelReport::getAmDemodReport(), getMagSqLevels(), m_audioSampleRate, m_inputSampleRate, m_squelchOpen, SWGSDRangel::SWGAMDemodReport::setAudioSampleRate(), SWGSDRangel::SWGAMDemodReport::setChannelPowerDb(), SWGSDRangel::SWGAMDemodReport::setChannelSampleRate(), and SWGSDRangel::SWGAMDemodReport::setSquelch().

Referenced by webapiReportGet().

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

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

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webapiFormatChannelSettings()

void AMDemod::webapiFormatChannelSettings ( SWGSDRangel::SWGChannelSettings &  response, const AMDemodSettings &  settings  )

private

Definition at line 698 of file amdemod.cpp.

References SWGSDRangel::SWGChannelSettings::getAmDemodSettings(), SWGSDRangel::SWGAMDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGAMDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGAMDemodSettings::getTitle(), AMDemodSettings::m_audioDeviceName, AMDemodSettings::m_audioMute, AMDemodSettings::m_bandpassEnable, AMDemodSettings::m_inputFrequencyOffset, AMDemodSettings::m_pll, AMDemodSettings::m_reverseAPIAddress, AMDemodSettings::m_reverseAPIChannelIndex, AMDemodSettings::m_reverseAPIDeviceIndex, AMDemodSettings::m_reverseAPIPort, AMDemodSettings::m_rfBandwidth, AMDemodSettings::m_rgbColor, m_settings, AMDemodSettings::m_squelch, AMDemodSettings::m_streamIndex, AMDemodSettings::m_syncAMOperation, AMDemodSettings::m_title, AMDemodSettings::m_useReverseAPI, AMDemodSettings::m_volume, SWGSDRangel::SWGAMDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGAMDemodSettings::setAudioMute(), SWGSDRangel::SWGAMDemodSettings::setBandpassEnable(), SWGSDRangel::SWGAMDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGAMDemodSettings::setPll(), SWGSDRangel::SWGAMDemodSettings::setReverseApiAddress(), SWGSDRangel::SWGAMDemodSettings::setReverseApiChannelIndex(), SWGSDRangel::SWGAMDemodSettings::setReverseApiDeviceIndex(), SWGSDRangel::SWGAMDemodSettings::setReverseApiPort(), SWGSDRangel::SWGAMDemodSettings::setRfBandwidth(), SWGSDRangel::SWGAMDemodSettings::setRgbColor(), SWGSDRangel::SWGAMDemodSettings::setSquelch(), SWGSDRangel::SWGAMDemodSettings::setStreamIndex(), SWGSDRangel::SWGAMDemodSettings::setSyncAmOperation(), SWGSDRangel::SWGAMDemodSettings::setTitle(), SWGSDRangel::SWGAMDemodSettings::setUseReverseApi(), and SWGSDRangel::SWGAMDemodSettings::setVolume().

Referenced by webapiSettingsGet(), and webapiSettingsPutPatch().

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

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

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

    response.getAmDemodSettings()->setPll(settings.m_pll ? 1 : 0);
    response.getAmDemodSettings()->setSyncAmOperation((int) m_settings.m_syncAMOperation);
    response.getAmDemodSettings()->setStreamIndex(m_settings.m_streamIndex);
    response.getAmDemodSettings()->setUseReverseApi(settings.m_useReverseAPI ? 1 : 0);

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

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

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webapiReportGet()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 687 of file amdemod.cpp.

References SWGSDRangel::SWGChannelReport::getAmDemodReport(), SWGSDRangel::SWGAMDemodReport::init(), SWGSDRangel::SWGChannelReport::setAmDemodReport(), and webapiFormatChannelReport().

Referenced by getStreamCenterFrequency().

{
    (void) errorMessage;
    response.setAmDemodReport(new SWGSDRangel::SWGAMDemodReport());
    response.getAmDemodReport()->init();
    webapiFormatChannelReport(response);
    return 200;
}

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webapiReverseSendSettings()

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

private

Definition at line 748 of file amdemod.cpp.

References SWGSDRangel::SWGChannelSettings::asJson(), SWGSDRangel::SWGChannelSettings::getAmDemodSettings(), ChannelAPI::getDeviceSetIndex(), ChannelAPI::getIndexInDeviceSet(), AMDemodSettings::m_audioDeviceName, AMDemodSettings::m_audioMute, AMDemodSettings::m_bandpassEnable, AMDemodSettings::m_inputFrequencyOffset, m_networkManager, m_networkRequest, AMDemodSettings::m_pll, AMDemodSettings::m_reverseAPIAddress, AMDemodSettings::m_reverseAPIChannelIndex, AMDemodSettings::m_reverseAPIDeviceIndex, AMDemodSettings::m_reverseAPIPort, AMDemodSettings::m_rfBandwidth, AMDemodSettings::m_rgbColor, AMDemodSettings::m_squelch, AMDemodSettings::m_streamIndex, AMDemodSettings::m_syncAMOperation, AMDemodSettings::m_title, AMDemodSettings::m_volume, SWGSDRangel::SWGChannelSettings::setAmDemodSettings(), SWGSDRangel::SWGAMDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGAMDemodSettings::setAudioMute(), SWGSDRangel::SWGAMDemodSettings::setBandpassEnable(), SWGSDRangel::SWGChannelSettings::setChannelType(), SWGSDRangel::SWGChannelSettings::setDirection(), SWGSDRangel::SWGAMDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGChannelSettings::setOriginatorChannelIndex(), SWGSDRangel::SWGChannelSettings::setOriginatorDeviceSetIndex(), SWGSDRangel::SWGAMDemodSettings::setPll(), SWGSDRangel::SWGAMDemodSettings::setRfBandwidth(), SWGSDRangel::SWGAMDemodSettings::setRgbColor(), SWGSDRangel::SWGAMDemodSettings::setSquelch(), SWGSDRangel::SWGAMDemodSettings::setStreamIndex(), SWGSDRangel::SWGAMDemodSettings::setSyncAmOperation(), SWGSDRangel::SWGAMDemodSettings::setTitle(), and SWGSDRangel::SWGAMDemodSettings::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("AMDemod"));
    swgChannelSettings->setAmDemodSettings(new SWGSDRangel::SWGAMDemodSettings());
    SWGSDRangel::SWGAMDemodSettings *swgAMDemodSettings = swgChannelSettings->getAmDemodSettings();

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

    if (channelSettingsKeys.contains("audioMute") || force) {
        swgAMDemodSettings->setAudioMute(settings.m_audioMute ? 1 : 0);
    }
    if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
        swgAMDemodSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    }
    if (channelSettingsKeys.contains("rfBandwidth") || force) {
        swgAMDemodSettings->setRfBandwidth(settings.m_rfBandwidth);
    }
    if (channelSettingsKeys.contains("rgbColor") || force) {
        swgAMDemodSettings->setRgbColor(settings.m_rgbColor);
    }
    if (channelSettingsKeys.contains("squelch") || force) {
        swgAMDemodSettings->setSquelch(settings.m_squelch);
    }
    if (channelSettingsKeys.contains("title") || force) {
        swgAMDemodSettings->setTitle(new QString(settings.m_title));
    }
    if (channelSettingsKeys.contains("volume") || force) {
        swgAMDemodSettings->setVolume(settings.m_volume);
    }
    if (channelSettingsKeys.contains("bandpassEnable") || force) {
        swgAMDemodSettings->setBandpassEnable(settings.m_bandpassEnable ? 1 : 0);
    }
    if (channelSettingsKeys.contains("audioDeviceName") || force) {
        swgAMDemodSettings->setAudioDeviceName(new QString(settings.m_audioDeviceName));
    }
    if (channelSettingsKeys.contains("pll") || force) {
        swgAMDemodSettings->setPll(settings.m_pll);
    }
    if (channelSettingsKeys.contains("syncAMOperation") || force) {
        swgAMDemodSettings->setSyncAmOperation((int) settings.m_syncAMOperation);
    }
    if (channelSettingsKeys.contains("streamIndex") || force) {
        swgAMDemodSettings->setStreamIndex(settings.m_streamIndex);
    }

    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 AMDemod::webapiSettingsGet ( SWGSDRangel::SWGChannelSettings &  response, QString &  errorMessage  )

virtual

Reimplemented from ChannelAPI.

Definition at line 584 of file amdemod.cpp.

References SWGSDRangel::SWGChannelSettings::getAmDemodSettings(), SWGSDRangel::SWGAMDemodSettings::init(), m_settings, SWGSDRangel::SWGChannelSettings::setAmDemodSettings(), and webapiFormatChannelSettings().

Referenced by getStreamCenterFrequency().

{
    (void) errorMessage;
    response.setAmDemodSettings(new SWGSDRangel::SWGAMDemodSettings());
    response.getAmDemodSettings()->init();
    webapiFormatChannelSettings(response, m_settings);
    return 200;
}

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webapiSettingsPutPatch()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 595 of file amdemod.cpp.

References AMDemod::MsgConfigureAMDemod::create(), AMDemod::MsgConfigureChannelizer::create(), SWGSDRangel::SWGChannelSettings::getAmDemodSettings(), SWGSDRangel::SWGAMDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGAMDemodSettings::getAudioMute(), SWGSDRangel::SWGAMDemodSettings::getBandpassEnable(), SWGSDRangel::SWGAMDemodSettings::getInputFrequencyOffset(), SWGSDRangel::SWGAMDemodSettings::getPll(), SWGSDRangel::SWGAMDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGAMDemodSettings::getReverseApiChannelIndex(), SWGSDRangel::SWGAMDemodSettings::getReverseApiDeviceIndex(), SWGSDRangel::SWGAMDemodSettings::getReverseApiPort(), SWGSDRangel::SWGAMDemodSettings::getRfBandwidth(), SWGSDRangel::SWGAMDemodSettings::getRgbColor(), SWGSDRangel::SWGAMDemodSettings::getSquelch(), SWGSDRangel::SWGAMDemodSettings::getStreamIndex(), SWGSDRangel::SWGAMDemodSettings::getSyncAmOperation(), SWGSDRangel::SWGAMDemodSettings::getTitle(), SWGSDRangel::SWGAMDemodSettings::getUseReverseApi(), SWGSDRangel::SWGAMDemodSettings::getVolume(), AMDemodSettings::m_audioDeviceName, AMDemodSettings::m_audioMute, m_audioSampleRate, AMDemodSettings::m_bandpassEnable, BasebandSampleSink::m_guiMessageQueue, AMDemodSettings::m_inputFrequencyOffset, BasebandSampleSink::m_inputMessageQueue, AMDemodSettings::m_pll, AMDemodSettings::m_reverseAPIAddress, AMDemodSettings::m_reverseAPIChannelIndex, AMDemodSettings::m_reverseAPIDeviceIndex, AMDemodSettings::m_reverseAPIPort, AMDemodSettings::m_rfBandwidth, AMDemodSettings::m_rgbColor, m_settings, AMDemodSettings::m_squelch, AMDemodSettings::m_streamIndex, AMDemodSettings::m_syncAMOperation, AMDemodSettings::m_title, AMDemodSettings::m_useReverseAPI, AMDemodSettings::m_volume, MessageQueue::push(), AMDemodSettings::SyncAMDSB, AMDemodSettings::SyncAMLSB, and webapiFormatChannelSettings().

Referenced by getStreamCenterFrequency().

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

    if (channelSettingsKeys.contains("audioMute")) {
        settings.m_audioMute = response.getAmDemodSettings()->getAudioMute() != 0;
    }
    if (channelSettingsKeys.contains("inputFrequencyOffset"))
    {
        settings.m_inputFrequencyOffset = response.getAmDemodSettings()->getInputFrequencyOffset();
        frequencyOffsetChanged = true;
    }
    if (channelSettingsKeys.contains("rfBandwidth")) {
        settings.m_rfBandwidth = response.getAmDemodSettings()->getRfBandwidth();
    }
    if (channelSettingsKeys.contains("rgbColor")) {
        settings.m_rgbColor = response.getAmDemodSettings()->getRgbColor();
    }
    if (channelSettingsKeys.contains("squelch")) {
        settings.m_squelch = response.getAmDemodSettings()->getSquelch();
    }
    if (channelSettingsKeys.contains("title")) {
        settings.m_title = *response.getAmDemodSettings()->getTitle();
    }
    if (channelSettingsKeys.contains("volume")) {
        settings.m_volume = response.getAmDemodSettings()->getVolume();
    }
    if (channelSettingsKeys.contains("bandpassEnable")) {
        settings.m_bandpassEnable = response.getAmDemodSettings()->getBandpassEnable() != 0;
    }
    if (channelSettingsKeys.contains("audioDeviceName")) {
        settings.m_audioDeviceName = *response.getAmDemodSettings()->getAudioDeviceName();
    }

    if (channelSettingsKeys.contains("pll")) {
        settings.m_pll = response.getAmDemodSettings()->getPll();
    }

    if (channelSettingsKeys.contains("syncAMOperation")) {
        qint32 syncAMOperationCode = response.getAmDemodSettings()->getSyncAmOperation();
        settings.m_syncAMOperation = syncAMOperationCode < 0 ?
                AMDemodSettings::SyncAMDSB : syncAMOperationCode > 2 ?
                        AMDemodSettings::SyncAMLSB : (AMDemodSettings::SyncAMOperation) syncAMOperationCode;
    }

    if (channelSettingsKeys.contains("streamIndex")) {
        settings.m_streamIndex = response.getAmDemodSettings()->getStreamIndex();
    }
    if (channelSettingsKeys.contains("useReverseAPI")) {
        settings.m_useReverseAPI = response.getAmDemodSettings()->getUseReverseApi() != 0;
    }
    if (channelSettingsKeys.contains("reverseAPIAddress")) {
        settings.m_reverseAPIAddress = *response.getAmDemodSettings()->getReverseApiAddress();
    }
    if (channelSettingsKeys.contains("reverseAPIPort")) {
        settings.m_reverseAPIPort = response.getAmDemodSettings()->getReverseApiPort();
    }
    if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
        settings.m_reverseAPIDeviceIndex = response.getAmDemodSettings()->getReverseApiDeviceIndex();
    }
    if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
        settings.m_reverseAPIChannelIndex = response.getAmDemodSettings()->getReverseApiChannelIndex();
    }

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

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

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

    webapiFormatChannelSettings(response, settings);

    return 200;
}

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Member Data Documentation

DSBFilter

fftfilt* AMDemod::DSBFilter

private

Definition at line 213 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), applySettings(), processOneSample(), and ~AMDemod().

m_audioBuffer

AudioVector AMDemod::m_audioBuffer

private

Definition at line 219 of file amdemod.h.

Referenced by AMDemod(), feed(), and processOneSample().

m_audioBufferFill

uint32_t AMDemod::m_audioBufferFill

private

Definition at line 220 of file amdemod.h.

Referenced by AMDemod(), feed(), and processOneSample().

m_audioFifo

AudioFifo AMDemod::m_audioFifo

private

Definition at line 221 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), applySettings(), feed(), processOneSample(), start(), and ~AMDemod().

m_audioSampleRate

uint32_t AMDemod::m_audioSampleRate

private

Definition at line 189 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), applyChannelSettings(), applySettings(), getAudioSampleRate(), handleMessage(), processOneSample(), webapiFormatChannelReport(), and webapiSettingsPutPatch().

m_bandpass

Bandpass<Real> AMDemod::m_bandpass

private

Definition at line 209 of file amdemod.h.

Referenced by applyAudioSampleRate(), applySettings(), and processOneSample().

m_channelId

const QString AMDemod::m_channelId = "AMDemod"

static

Definition at line 164 of file amdemod.h.

Referenced by AMDemod(), and AMDemodPlugin::initPlugin().

m_channelIdURI

const QString AMDemod::m_channelIdURI = "sdrangel.channel.amdemod"

static

Definition at line 163 of file amdemod.h.

Referenced by AMDemodGUI::AMDemodGUI(), and AMDemodPlugin::initPlugin().

m_channelizer

DownChannelizer* AMDemod::m_channelizer

private

Definition at line 184 of file amdemod.h.

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

m_deviceAPI

DeviceAPI* AMDemod::m_deviceAPI

private

Definition at line 182 of file amdemod.h.

Referenced by AMDemod(), applySettings(), getNumberOfDeviceStreams(), and ~AMDemod().

m_inputFrequencyOffset

int AMDemod::m_inputFrequencyOffset

private

Definition at line 187 of file amdemod.h.

Referenced by AMDemod(), applyChannelSettings(), applySettings(), and start().

m_inputSampleRate

int AMDemod::m_inputSampleRate

private

Definition at line 186 of file amdemod.h.

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

m_interpolator

Interpolator AMDemod::m_interpolator

private

Definition at line 193 of file amdemod.h.

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

m_interpolatorDistance

Real AMDemod::m_interpolatorDistance

private

Definition at line 194 of file amdemod.h.

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

m_interpolatorDistanceRemain

Real AMDemod::m_interpolatorDistanceRemain

private

Definition at line 195 of file amdemod.h.

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

m_lowpass

Lowpass<Real> AMDemod::m_lowpass

private

Definition at line 210 of file amdemod.h.

Referenced by applyAudioSampleRate(), applySettings(), and processOneSample().

m_magsq

double AMDemod::m_magsq

private

Definition at line 201 of file amdemod.h.

Referenced by AMDemod(), getMagSq(), getMagSqLevels(), and processOneSample().

m_magsqCount

int AMDemod::m_magsqCount

private

Definition at line 204 of file amdemod.h.

Referenced by getMagSqLevels(), and processOneSample().

m_magSqLevelStore

MagSqLevelsStore AMDemod::m_magSqLevelStore

private

Definition at line 205 of file amdemod.h.

Referenced by getMagSqLevels().

m_magsqPeak

double AMDemod::m_magsqPeak

private

Definition at line 203 of file amdemod.h.

Referenced by getMagSqLevels(), and processOneSample().

m_magsqSum

double AMDemod::m_magsqSum

private

Definition at line 202 of file amdemod.h.

Referenced by getMagSqLevels(), and processOneSample().

m_movingAverage

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

private

Definition at line 207 of file amdemod.h.

Referenced by processOneSample().

m_nco

NCO AMDemod::m_nco

private

Definition at line 192 of file amdemod.h.

Referenced by applyChannelSettings(), and feed().

m_networkManager

QNetworkAccessManager* AMDemod::m_networkManager

private

Definition at line 225 of file amdemod.h.

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

m_networkRequest

QNetworkRequest AMDemod::m_networkRequest

private

Definition at line 226 of file amdemod.h.

Referenced by webapiReverseSendSettings().

m_pll

PhaseLockComplex AMDemod::m_pll

private

Definition at line 212 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), getPllFrequency(), getPllLocked(), and processOneSample().

m_pllFilt

Lowpass<std::complex<float> > AMDemod::m_pllFilt

private

Definition at line 211 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), and processOneSample().

m_running

bool AMDemod::m_running

private

Definition at line 190 of file amdemod.h.

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

m_settings

AMDemodSettings AMDemod::m_settings

private

Definition at line 188 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), applyChannelSettings(), applySettings(), deserialize(), processOneSample(), serialize(), webapiFormatChannelSettings(), webapiSettingsGet(), and webapiSettingsPutPatch().

m_settingsMutex

QMutex AMDemod::m_settingsMutex

private

Definition at line 228 of file amdemod.h.

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

m_squelchCount

uint32_t AMDemod::m_squelchCount

private

Definition at line 198 of file amdemod.h.

Referenced by processOneSample(), and start().

m_squelchDelayLine

DoubleBufferFIFO<Real> AMDemod::m_squelchDelayLine

private

Definition at line 200 of file amdemod.h.

Referenced by applyAudioSampleRate(), and processOneSample().

m_squelchLevel

Real AMDemod::m_squelchLevel

private

Definition at line 197 of file amdemod.h.

Referenced by applySettings(), and processOneSample().

m_squelchOpen

bool AMDemod::m_squelchOpen

private

Definition at line 199 of file amdemod.h.

Referenced by getSquelchOpen(), processOneSample(), and webapiFormatChannelReport().

m_syncAMAGC

MagAGC AMDemod::m_syncAMAGC

private

Definition at line 217 of file amdemod.h.

Referenced by AMDemod(), applyAudioSampleRate(), and processOneSample().

m_syncAMBuff

Real AMDemod::m_syncAMBuff[2 *1024]

private

Definition at line 215 of file amdemod.h.

Referenced by processOneSample().

m_syncAMBuffIndex

uint32_t AMDemod::m_syncAMBuffIndex

private

Definition at line 216 of file amdemod.h.

Referenced by AMDemod(), applySettings(), and processOneSample().

m_threadedChannelizer

ThreadedBasebandSampleSink* AMDemod::m_threadedChannelizer

private

Definition at line 183 of file amdemod.h.

Referenced by AMDemod(), applySettings(), and ~AMDemod().

m_udpBlockSize

const int AMDemod::m_udpBlockSize = 512

staticprivate

Definition at line 223 of file amdemod.h.

m_volumeAGC

SimpleAGC<4800> AMDemod::m_volumeAGC

private

Definition at line 208 of file amdemod.h.

Referenced by applyAudioSampleRate(), applySettings(), and processOneSample().

SSBFilter

fftfilt* AMDemod::SSBFilter

private

Definition at line 214 of file amdemod.h.

Referenced by AMDemod(), processOneSample(), and ~AMDemod().

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

• plugins/channelrx/demodam/amdemod.h
• plugins/channelrx/demodam/amdemod.cpp