FreeDVDemod Class Reference

#include <freedvdemod.h>

Inheritance diagram for FreeDVDemod:

Collaboration diagram for FreeDVDemod:

Classes
struct	FreeDVSNR
struct	FreeDVStats
struct	LevelRMS
struct	MagSqLevelsStore
class	MsgConfigureChannelizer
class	MsgConfigureFreeDVDemod
class	MsgConfigureFreeDVDemodPrivate
class	MsgResyncFreeDVDemod

Signals
void	levelInChanged (qreal rmsLevel, qreal peakLevel, int numSamples)

Public Member Functions
	FreeDVDemod (DeviceAPI *deviceAPI)
virtual	~FreeDVDemod ()
virtual void	destroy ()
void	setSampleSink (BasebandSampleSink *sampleSink)
void	configure (MessageQueue *messageQueue, Real Bandwidth, Real LowCutoff, Real volume, int spanLog2, bool audioBinaural, bool audioFlipChannels, bool dsb, bool audioMute, bool agc, bool agcClamping, int agcTimeLog2, int agcPowerThreshold, int agcThresholdGate)
virtual void	feed (const SampleVector::const_iterator &begin, const SampleVector::const_iterator &end, bool positiveOnly)
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
uint32_t	getAudioSampleRate () const
uint32_t	getModemSampleRate () const
double	getMagSq () const
bool	getAudioActive () const
void	getMagSqLevels (double &avg, double &peak, int &nbSamples)
void	getSNRLevels (double &avg, double &peak, int &nbSamples)
int	getBER () const
float	getFrequencyOffset () const
bool	isSync () 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)
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.freedvdemod"
static const QString	m_channelId = "FreeDVDemod"

Private Slots
void	networkManagerFinished (QNetworkReply *reply)

Private Member Functions
void	pushSampleToDV (int16_t sample)
void	pushSampleToAudio (int16_t sample)
void	applyChannelSettings (int inputSampleRate, int inputFrequencyOffset, bool force=false)
void	applySettings (const FreeDVDemodSettings &settings, bool force=false)
void	applyAudioSampleRate (int sampleRate)
void	applyFreeDVMode (FreeDVDemodSettings::FreeDVMode mode)
void	processOneSample (Complex &ci)
void	webapiFormatChannelSettings (SWGSDRangel::SWGChannelSettings &response, const FreeDVDemodSettings &settings)
void	webapiFormatChannelReport (SWGSDRangel::SWGChannelReport &response)
void	webapiReverseSendSettings (QList< QString > &channelSettingsKeys, const FreeDVDemodSettings &settings, bool force)

Private Attributes
DeviceAPI *	m_deviceAPI
ThreadedBasebandSampleSink *	m_threadedChannelizer
DownChannelizer *	m_channelizer
FreeDVDemodSettings	m_settings
Real	m_hiCutoff
Real	m_lowCutoff
Real	m_volume
int	m_spanLog2
fftfilt::cmplx	m_sum
int	m_undersampleCount
int	m_inputSampleRate
uint32_t	m_modemSampleRate
uint32_t	m_speechSampleRate
uint32_t	m_audioSampleRate
int	m_inputFrequencyOffset
bool	m_audioMute
double	m_magsq
double	m_magsqSum
double	m_magsqPeak
int	m_magsqCount
MagSqLevelsStore	m_magSqLevelStore
SimpleAGC< 4800 >	m_simpleAGC
bool	m_agcActive
DoubleBufferFIFO< fftfilt::cmplx >	m_squelchDelayLine
bool	m_audioActive
	True if an audio signal is produced (no AGC or AGC and above threshold) More...
NCOF	m_nco
Interpolator	m_interpolator
Real	m_interpolatorDistance
Real	m_interpolatorDistanceRemain
fftfilt *	SSBFilter
BasebandSampleSink *	m_sampleSink
SampleVector	m_sampleBuffer
AudioVector	m_audioBuffer
uint	m_audioBufferFill
AudioFifo	m_audioFifo
QNetworkAccessManager *	m_networkManager
QNetworkRequest	m_networkRequest
struct freedv *	m_freeDV
int	m_nSpeechSamples
int	m_nMaxModemSamples
int	m_nin
int	m_iSpeech
int	m_iModem
int16_t *	m_speechOut
int16_t *	m_modIn
AudioResampler	m_audioResampler
FreeDVStats	m_freeDVStats
FreeDVSNR	m_freeDVSNR
LevelRMS	m_levelIn
int	m_levelInNbSamples
QMutex	m_settingsMutex

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 50 of file freedvdemod.h.

Constructor & Destructor Documentation

FreeDVDemod()

FreeDVDemod::FreeDVDemod

(

DeviceAPI *

deviceAPI

)

Definition at line 148 of file freedvdemod.cpp.

References AudioDeviceManager::addAudioSink(), DeviceAPI::addChannelSink(), DeviceAPI::addChannelSinkAPI(), applyAudioSampleRate(), applyChannelSettings(), applySettings(), DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputSampleRate(), DSPEngine::instance(), m_agcActive, m_audioActive, m_audioBuffer, m_audioBufferFill, m_audioFifo, m_audioMute, m_channelId, m_channelizer, m_deviceAPI, m_freeDV, m_hiCutoff, m_iModem, m_inputFrequencyOffset, m_inputSampleRate, m_iSpeech, m_levelInNbSamples, m_lowCutoff, m_magsq, m_magsqCount, m_magsqPeak, m_magsqSum, m_modemSampleRate, m_modIn, m_networkManager, m_nMaxModemSamples, m_nSpeechSamples, m_sampleSink, m_settings, m_settingsMutex, m_simpleAGC, m_speechOut, m_speechSampleRate, m_squelchDelayLine, m_threadedChannelizer, m_undersampleCount, networkManagerFinished(), SimpleAGC< AvgSize >::resizeNew(), ssbFftLen, and SSBFilter.

Referenced by FreeDVDemod::MsgConfigureChannelizer::MsgConfigureChannelizer().

                                             :
        ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
        m_deviceAPI(deviceAPI),
        m_hiCutoff(6000),
        m_lowCutoff(0),
        m_volume(2),
        m_spanLog2(3),
        m_sum(fftfilt::cmplx{0,0}),
        m_inputSampleRate(48000),
        m_modemSampleRate(48000),
        m_speechSampleRate(8000), // fixed 8 kS/s
        m_inputFrequencyOffset(0),
        m_audioMute(false),
        m_simpleAGC(0.003f, 0.0f, 1e-6f),
        m_agcActive(false),
        m_squelchDelayLine(2*48000),
        m_audioActive(false),
        m_sampleSink(0),
        m_audioFifo(24000),
        m_freeDV(0),
        m_nSpeechSamples(0),
        m_nMaxModemSamples(0),
        m_iSpeech(0),
        m_iModem(0),
        m_speechOut(0),
        m_modIn(0),
        m_levelInNbSamples(480), // 10ms @ 48 kS/s
        m_settingsMutex(QMutex::Recursive)
{
    setObjectName(m_channelId);

    DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifo, getInputMessageQueue());
    uint32_t audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate();
    applyAudioSampleRate(audioSampleRate);

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

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

    m_simpleAGC.resizeNew(m_modemSampleRate/10, 0.003);

    SSBFilter = new fftfilt(m_lowCutoff / m_modemSampleRate, m_hiCutoff / m_modemSampleRate, ssbFftLen);

    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*)));
}

Here is the call graph for this function:

Here is the caller graph for this function:

~FreeDVDemod()

FreeDVDemod::~FreeDVDemod ( )

virtual

Definition at line 208 of file freedvdemod.cpp.

References 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 FreeDVDemod::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 SSBFilter;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Member Function Documentation

applyAudioSampleRate()

void FreeDVDemod::applyAudioSampleRate ( int  sampleRate )

private

Definition at line 539 of file freedvdemod.cpp.

References m_audioFifo, m_audioResampler, m_audioSampleRate, m_settingsMutex, m_speechSampleRate, AudioResampler::setAudioFilters(), AudioResampler::setDecimation(), and AudioFifo::setSize().

Referenced by applySettings(), FreeDVDemod(), and handleMessage().

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

    m_settingsMutex.lock();
    m_audioFifo.setSize(sampleRate);
    m_audioResampler.setDecimation(sampleRate / m_speechSampleRate);
    m_audioResampler.setAudioFilters(sampleRate, sampleRate, 250, 3300, 4.0f);
    m_settingsMutex.unlock();

    m_audioSampleRate = sampleRate;
}

Here is the call graph for this function:

Here is the caller graph for this function:

applyChannelSettings()

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

private

Definition at line 514 of file freedvdemod.cpp.

References Interpolator::create(), m_hiCutoff, m_inputFrequencyOffset, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_modemSampleRate, m_nco, m_settingsMutex, and NCOF::setFreq().

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

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

    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_hiCutoff * 1.5f, 2.0f);
        m_interpolatorDistanceRemain = 0;
        m_interpolatorDistance = (Real) inputSampleRate / (Real) m_modemSampleRate;
        m_settingsMutex.unlock();
    }

    m_inputSampleRate = inputSampleRate;
    m_inputFrequencyOffset = inputFrequencyOffset;
}

Here is the call graph for this function:

Here is the caller graph for this function:

applyFreeDVMode()

void FreeDVDemod::applyFreeDVMode ( FreeDVDemodSettings::FreeDVMode  mode )

private

Definition at line 552 of file freedvdemod.cpp.

References DSPConfigureAudio::AudioOutput, Interpolator::create(), FreeDVDemod::MsgConfigureChannelizer::create(), fftfilt::create_filter(), FreeDVDemodSettings::FreeDVMode1600, FreeDVDemodSettings::FreeDVMode2400A, FreeDVDemodSettings::FreeDVMode700C, FreeDVDemodSettings::FreeDVMode700D, FreeDVDemodSettings::FreeDVMode800XA, FreeDVDemodSettings::getHiCutoff(), FreeDVDemodSettings::getLowCutoff(), BasebandSampleSink::getMessageQueueToGUI(), FreeDVDemodSettings::getModSampleRate(), FreeDVDemod::FreeDVStats::init(), FreeDVDemod::FreeDVStats::m_fps, m_freeDV, m_freeDVStats, m_hiCutoff, m_iModem, FreeDVDemodSettings::m_inputFrequencyOffset, BasebandSampleSink::m_inputMessageQueue, m_inputSampleRate, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_iSpeech, m_levelInNbSamples, m_lowCutoff, m_modemSampleRate, m_modIn, m_nin, m_nMaxModemSamples, m_nSpeechSamples, m_settings, m_settingsMutex, m_simpleAGC, m_speechOut, MessageQueue::push(), SimpleAGC< AvgSize >::resizeNew(), and SSBFilter.

Referenced by applySettings().

{
    m_hiCutoff = FreeDVDemodSettings::getHiCutoff(mode);
    m_lowCutoff = FreeDVDemodSettings::getLowCutoff(mode);
    uint32_t modemSampleRate = FreeDVDemodSettings::getModSampleRate(mode);

    m_settingsMutex.lock();
    SSBFilter->create_filter(m_lowCutoff / (float) modemSampleRate, m_hiCutoff / (float) modemSampleRate);

    // baseband interpolator
    if (modemSampleRate != m_modemSampleRate)
    {
        MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
                modemSampleRate, m_settings.m_inputFrequencyOffset);
        m_inputMessageQueue.push(channelConfigMsg);

        m_interpolatorDistanceRemain = 0;
        //m_interpolatorConsumed = false;
        m_interpolatorDistance = (Real) m_inputSampleRate / (Real) modemSampleRate;
        m_interpolator.create(16, m_inputSampleRate, m_hiCutoff * 1.5f, 2.0f);
        m_modemSampleRate = modemSampleRate;

        m_simpleAGC.resizeNew(modemSampleRate/10, 0.003);
        m_levelInNbSamples = m_modemSampleRate / 100; // 10ms

        if (getMessageQueueToGUI())
        {
            DSPConfigureAudio *cfg = new DSPConfigureAudio(m_modemSampleRate, DSPConfigureAudio::AudioOutput);
            getMessageQueueToGUI()->push(cfg);
        }
    }

    // FreeDV object

    if (m_freeDV) {
        freedv_close(m_freeDV);
    }

    int fdv_mode = -1;

    switch(mode)
    {
    case FreeDVDemodSettings::FreeDVMode700C:
        fdv_mode = FREEDV_MODE_700C;
        break;
    case FreeDVDemodSettings::FreeDVMode700D:
        fdv_mode = FREEDV_MODE_700D;
        break;
    case FreeDVDemodSettings::FreeDVMode800XA:
        fdv_mode = FREEDV_MODE_800XA;
        break;
    case FreeDVDemodSettings::FreeDVMode1600:
        fdv_mode = FREEDV_MODE_1600;
        break;
    case FreeDVDemodSettings::FreeDVMode2400A:
    default:
        fdv_mode = FREEDV_MODE_2400A;
        break;
    }

    if (fdv_mode == FREEDV_MODE_700D)
    {
        struct freedv_advanced adv;
        adv.interleave_frames = 1;
        m_freeDV = freedv_open_advanced(fdv_mode, &adv);
    }
    else
    {
        m_freeDV = freedv_open(fdv_mode);
    }

    if (m_freeDV)
    {
        freedv_set_test_frames(m_freeDV, 0);
        freedv_set_snr_squelch_thresh(m_freeDV, -100.0);
        freedv_set_squelch_en(m_freeDV, 0);
        freedv_set_clip(m_freeDV, 0);
        freedv_set_ext_vco(m_freeDV, 0);
        freedv_set_sync(m_freeDV, FREEDV_SYNC_MANUAL);

        freedv_set_callback_txt(m_freeDV, nullptr, nullptr, nullptr);
        freedv_set_callback_protocol(m_freeDV, nullptr, nullptr, nullptr);
        freedv_set_callback_data(m_freeDV, nullptr, nullptr, nullptr);

        int nSpeechSamples = freedv_get_n_speech_samples(m_freeDV);
        int nMaxModemSamples = freedv_get_n_max_modem_samples(m_freeDV);
        int Fs = freedv_get_modem_sample_rate(m_freeDV);
        int Rs = freedv_get_modem_symbol_rate(m_freeDV);
        m_freeDVStats.init();

        if (nSpeechSamples != m_nSpeechSamples)
        {
            if (m_speechOut) {
                delete[] m_speechOut;
            }

            m_speechOut = new int16_t[nSpeechSamples];
            m_nSpeechSamples = nSpeechSamples;
        }

        if (nMaxModemSamples != m_nMaxModemSamples)
        {
            if (m_modIn) {
                delete[] m_modIn;
            }

            m_modIn = new int16_t[nMaxModemSamples];
            m_nMaxModemSamples = nMaxModemSamples;
        }

        m_iSpeech = 0;
        m_iModem = 0;
        m_nin = freedv_nin(m_freeDV);

        if (m_nin > 0) {
            m_freeDVStats.m_fps = m_modemSampleRate / m_nin;
        }

        qDebug() << "FreeDVMod::applyFreeDVMode:"
                << " fdv_mode: " << fdv_mode
                << " m_modemSampleRate: " << m_modemSampleRate
                << " m_lowCutoff: " << m_lowCutoff
                << " m_hiCutoff: " << m_hiCutoff
                << " Fs: " << Fs
                << " Rs: " << Rs
                << " m_nSpeechSamples: " << m_nSpeechSamples
                << " m_nMaxModemSamples: " << m_nMaxModemSamples
                << " m_nin: " << m_nin
                << " FPS: " << m_freeDVStats.m_fps;
    }

    m_settingsMutex.unlock();
}

Here is the call graph for this function:

Here is the caller graph for this function:

applySettings()

void FreeDVDemod::applySettings ( const FreeDVDemodSettings &  settings, bool  force = false  )

private

Definition at line 686 of file freedvdemod.cpp.

References AudioDeviceManager::addAudioSink(), applyAudioSampleRate(), applyFreeDVMode(), DSPEngine::getAudioDeviceManager(), BasebandSampleSink::getInputMessageQueue(), AudioDeviceManager::getOutputDeviceIndex(), AudioDeviceManager::getOutputSampleRate(), DSPEngine::instance(), FreeDVDemodSettings::m_agc, m_agcActive, FreeDVDemodSettings::m_audioDeviceName, m_audioFifo, FreeDVDemodSettings::m_audioMute, m_audioMute, m_audioSampleRate, FreeDVDemodSettings::m_freeDVMode, FreeDVDemodSettings::m_inputFrequencyOffset, FreeDVDemodSettings::m_reverseAPIAddress, FreeDVDemodSettings::m_reverseAPIChannelIndex, FreeDVDemodSettings::m_reverseAPIDeviceIndex, FreeDVDemodSettings::m_reverseAPIPort, m_settings, FreeDVDemodSettings::m_spanLog2, m_spanLog2, FreeDVDemodSettings::m_useReverseAPI, FreeDVDemodSettings::m_volume, m_volume, FreeDVDemodSettings::m_volumeIn, and webapiReverseSendSettings().

Referenced by FreeDVDemod(), and handleMessage().

{
    qDebug() << "FreeDVDemod::applySettings:"
            << " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
            << " m_volume: " << settings.m_volume
            << " m_volumeIn: " << settings.m_volumeIn
            << " m_spanLog2: " << settings.m_spanLog2
            << " m_audioMute: " << settings.m_audioMute
            << " m_agcActive: " << settings.m_agc
            << " m_audioDeviceName: " << settings.m_audioDeviceName
            << " 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_inputFrequencyOffset != settings.m_inputFrequencyOffset) || force) {
        reverseAPIKeys.append("inputFrequencyOffset");
    }

    if ((m_settings.m_volume != settings.m_volume) || force)
    {
        reverseAPIKeys.append("volume");
        m_volume = settings.m_volume;
        m_volume /= 4.0; // for 3276.8
    }

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

    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
    {
        reverseAPIKeys.append("audioDeviceName");
        AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
        int audioDeviceIndex = audioDeviceManager->getOutputDeviceIndex(settings.m_audioDeviceName);
        audioDeviceManager->addAudioSink(&m_audioFifo, getInputMessageQueue(), audioDeviceIndex);
        uint32_t audioSampleRate = audioDeviceManager->getOutputSampleRate(audioDeviceIndex);

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

    if ((m_settings.m_spanLog2 != settings.m_spanLog2) || force) {
        reverseAPIKeys.append("spanLog2");
    }
    if ((m_settings.m_audioMute != settings.m_audioMute) || force) {
        reverseAPIKeys.append("audioMute");
    }
    if ((m_settings.m_agc != settings.m_agc) || force) {
        reverseAPIKeys.append("agc");
    }

    if ((settings.m_freeDVMode != m_settings.m_freeDVMode) || force) {
        applyFreeDVMode(settings.m_freeDVMode);
    }

    m_spanLog2 = settings.m_spanLog2;
    m_audioMute = settings.m_audioMute;
    m_agcActive = settings.m_agc;

    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;
}

Here is the call graph for this function:

Here is the caller graph for this function:

configure()

void FreeDVDemod::configure	(	MessageQueue *	messageQueue,
		Real	Bandwidth,
		Real	LowCutoff,
		Real	volume,
		int	spanLog2,
		bool	audioBinaural,
		bool	audioFlipChannels,
		bool	dsb,
		bool	audioMute,
		bool	agc,
		bool	agcClamping,
		int	agcTimeLog2,
		int	agcPowerThreshold,
		int	agcThresholdGate
	)

Definition at line 221 of file freedvdemod.cpp.

References FreeDVDemod::MsgConfigureFreeDVDemodPrivate::create(), and MessageQueue::push().

Referenced by setSampleSink().

{
    Message* cmd = MsgConfigureFreeDVDemodPrivate::create(
            Bandwidth,
            LowCutoff,
            volume,
            spanLog2,
            audioBinaural,
            audioFlipChannel,
            dsb,
            audioMute,
            agc,
            agcClamping,
            agcTimeLog2,
            agcPowerThreshold,
            agcThresholdGate);
    messageQueue->push(cmd);
}

Here is the call graph for this function:

Here is the caller graph for this function:

deserialize()

bool FreeDVDemod::deserialize ( const QByteArray &  data )

virtual

Implements ChannelAPI.

Definition at line 787 of file freedvdemod.cpp.

References FreeDVDemod::MsgConfigureFreeDVDemod::create(), FreeDVDemodSettings::deserialize(), BasebandSampleSink::m_inputMessageQueue, m_settings, MessageQueue::push(), and FreeDVDemodSettings::resetToDefaults().

Referenced by getCenterFrequency().

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

Here is the call graph for this function:

Here is the caller graph for this function:

destroy()

virtual void FreeDVDemod::destroy ( )

inlinevirtual

Implements ChannelAPI.

Definition at line 114 of file freedvdemod.h.

{ delete this; }

feed()

void FreeDVDemod::feed ( const SampleVector::const_iterator &  begin, const SampleVector::const_iterator &  end, bool  positiveOnly  )

virtual

Implements BasebandSampleSink.

Definition at line 253 of file freedvdemod.cpp.

References Interpolator::decimate(), BasebandSampleSink::feed(), Interpolator::interpolate(), m_audioBuffer, m_audioBufferFill, m_audioFifo, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_nco, m_sampleBuffer, m_sampleSink, m_settingsMutex, m_spanLog2, NCOF::nextIQ(), processOneSample(), and AudioFifo::write().

Referenced by setSampleSink().

{
    (void) positiveOnly;
    Complex ci;
    fftfilt::cmplx *sideband;
    int n_out;

    m_settingsMutex.lock();

    int decim = 1<<(m_spanLog2 - 1);
    unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)

    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
        {
            if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
            {
                processOneSample(ci);
                m_interpolatorDistanceRemain += m_interpolatorDistance;
            }
        }
    }

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

    if (res != m_audioBufferFill)
    {
        qDebug("FreeDVDemod::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();
}

Here is the call graph for this function:

Here is the caller graph for this function:

getAudioActive()

bool FreeDVDemod::getAudioActive ( ) const

inline

Definition at line 157 of file freedvdemod.h.

References m_audioActive.

Referenced by FreeDVDemodGUI::tick().

{ return m_audioActive; }

Here is the caller graph for this function:

getAudioSampleRate()

uint32_t FreeDVDemod::getAudioSampleRate ( ) const

inline

Definition at line 154 of file freedvdemod.h.

References m_audioSampleRate.

Referenced by FreeDVDemodGUI::applySettings(), and FreeDVDemodGUI::handleMessage().

{ return m_audioSampleRate; }

Here is the caller graph for this function:

getBER()

int FreeDVDemod::getBER ( ) const

inline

Definition at line 178 of file freedvdemod.h.

References FreeDVDemod::FreeDVStats::m_ber, and m_freeDVStats.

Referenced by FreeDVDemodGUI::tick().

{ return m_freeDVStats.m_ber; }

Here is the caller graph for this function:

getCenterFrequency()

virtual qint64 FreeDVDemod::getCenterFrequency ( ) const

inlinevirtual

Applies to a default stream.

Implements ChannelAPI.

Definition at line 139 of file freedvdemod.h.

References deserialize(), FreeDVDemodSettings::m_inputFrequencyOffset, FreeDVDemod::MsgConfigureFreeDVDemod::m_settings, and serialize().

{ return m_settings.m_inputFrequencyOffset; }

Here is the call graph for this function:

getFrequencyOffset()

float FreeDVDemod::getFrequencyOffset ( ) const

inline

Definition at line 179 of file freedvdemod.h.

References m_freeDVStats, and FreeDVDemod::FreeDVStats::m_freqOffset.

Referenced by FreeDVDemodGUI::tick().

{ return m_freeDVStats.m_freqOffset; }

Here is the caller graph for this function:

getIdentifier()

virtual void FreeDVDemod::getIdentifier ( QString &  id )

inlinevirtual

Implements ChannelAPI.

Definition at line 137 of file freedvdemod.h.

{ id = objectName(); }

getMagSq()

double FreeDVDemod::getMagSq ( ) const

inline

Definition at line 156 of file freedvdemod.h.

References m_magsq.

{ return m_magsq; }

getMagSqLevels()

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

inline

Definition at line 159 of file freedvdemod.h.

References getSNRLevels(), FreeDVDemod::MagSqLevelsStore::m_magsq, m_magsq, m_magsqCount, m_magSqLevelStore, FreeDVDemod::MagSqLevelsStore::m_magsqPeak, m_magsqPeak, and m_magsqSum.

Referenced by FreeDVDemodGUI::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;
    }

Here is the call graph for this function:

Here is the caller graph for this function:

getModemSampleRate()

uint32_t FreeDVDemod::getModemSampleRate ( ) const

inline

Definition at line 155 of file freedvdemod.h.

References m_modemSampleRate.

Referenced by FreeDVDemodGUI::displayBandwidths().

{ return m_modemSampleRate; }

Here is the caller graph for this function:

getNbSinkStreams()

virtual int FreeDVDemod::getNbSinkStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 144 of file freedvdemod.h.

{ return 1; }

getNbSourceStreams()

virtual int FreeDVDemod::getNbSourceStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 145 of file freedvdemod.h.

{ return 0; }

getSNRLevels()

void FreeDVDemod::getSNRLevels	(	double &	avg,
		double &	peak,
		int &	nbSamples
	)

Definition at line 765 of file freedvdemod.cpp.

References CalcDb::dbPower(), m_freeDVSNR, FreeDVDemod::FreeDVSNR::m_n, FreeDVDemod::FreeDVSNR::m_peak, FreeDVDemod::FreeDVSNR::m_reset, and FreeDVDemod::FreeDVSNR::m_sum.

Referenced by getMagSqLevels(), and FreeDVDemodGUI::tick().

{
    if (m_freeDVSNR.m_n > 0)
    {
        avg = CalcDb::dbPower(m_freeDVSNR.m_sum / m_freeDVSNR.m_n);
        peak = m_freeDVSNR.m_peak;
        nbSamples = m_freeDVSNR.m_n;
        m_freeDVSNR.m_reset = true;
    }
    else
    {
        avg = 0.0;
        peak = 0.0;
        nbSamples = 1;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

getStreamCenterFrequency()

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

inlinevirtual

Implements ChannelAPI.

Definition at line 147 of file freedvdemod.h.

References FreeDVDemodSettings::m_inputFrequencyOffset, and FreeDVDemod::MsgConfigureFreeDVDemod::m_settings.

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

getTitle()

virtual void FreeDVDemod::getTitle ( QString &  title )

inlinevirtual

Implements ChannelAPI.

Definition at line 138 of file freedvdemod.h.

References FreeDVDemod::MsgConfigureFreeDVDemod::m_settings, and FreeDVDemodSettings::m_title.

{ title = m_settings.m_title; }

handleMessage()

bool FreeDVDemod::handleMessage ( const Message &  cmd )

virtual

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

Implements BasebandSampleSink.

Definition at line 372 of file freedvdemod.cpp.

References applyAudioSampleRate(), applyChannelSettings(), applySettings(), DownChannelizer::configure(), FreeDVDemod::MsgConfigureChannelizer::getCenterFrequency(), FreeDVDemod::MsgConfigureFreeDVDemod::getForce(), DownChannelizer::MsgChannelizerNotification::getFrequencyOffset(), BasebandSampleSink::getInputMessageQueue(), DownChannelizer::MsgChannelizerNotification::getSampleRate(), FreeDVDemod::MsgConfigureChannelizer::getSampleRate(), DSPConfigureAudio::getSampleRate(), FreeDVDemod::MsgConfigureFreeDVDemod::getSettings(), BasebandSampleSink::MsgThreadedSink::getThread(), BasebandSampleSink::handleMessage(), m_audioSampleRate, m_channelizer, m_freeDV, m_sampleSink, m_settingsMutex, and Message::match().

Referenced by setSampleSink().

{
    if (DownChannelizer::MsgChannelizerNotification::match(cmd))
    {
        DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
        qDebug("FreeDVDemod::handleMessage: MsgChannelizerNotification: m_sampleRate");

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

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

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

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

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

        return true;
    }
    else if (MsgResyncFreeDVDemod::match(cmd))
    {
        qDebug("FreeDVDemod::handleMessage: MsgResyncFreeDVDemod");
        m_settingsMutex.lock();
        freedv_set_sync(m_freeDV, FREEDV_SYNC_UNSYNC);
        m_settingsMutex.unlock();
        return true;
    }
    else if (BasebandSampleSink::MsgThreadedSink::match(cmd))
    {
        BasebandSampleSink::MsgThreadedSink& cfg = (BasebandSampleSink::MsgThreadedSink&) cmd;
        const QThread *thread = cfg.getThread();
        qDebug("FreeDVDemod::handleMessage: BasebandSampleSink::MsgThreadedSink: %p", thread);
        return true;
    }
    else if (DSPConfigureAudio::match(cmd))
    {
        DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
        uint32_t sampleRate = cfg.getSampleRate();

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

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

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

Here is the call graph for this function:

Here is the caller graph for this function:

isSync()

bool FreeDVDemod::isSync ( ) const

inline

Definition at line 180 of file freedvdemod.h.

References m_freeDVStats, FreeDVDemod::FreeDVStats::m_sync, webapiReportGet(), webapiSettingsGet(), and webapiSettingsPutPatch().

Referenced by FreeDVDemodGUI::tick().

{ return m_freeDVStats.m_sync; }

Here is the call graph for this function:

Here is the caller graph for this function:

levelInChanged

void FreeDVDemod::levelInChanged ( qreal  rmsLevel, qreal  peakLevel, int  numSamples  )

signal

Level changed

Parameters

rmsLevel	RMS level in range 0.0 - 1.0
peakLevel	Peak level in range 0.0 - 1.0
numSamples	Number of audio samples analyzed

Referenced by pushSampleToDV().

Here is the caller graph for this function:

networkManagerFinished

void FreeDVDemod::networkManagerFinished ( QNetworkReply *  reply )

privateslot

Definition at line 1017 of file freedvdemod.cpp.

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

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

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

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

Here is the caller graph for this function:

processOneSample()

void FreeDVDemod::processOneSample ( Complex &  ci )

private

Definition at line 307 of file freedvdemod.cpp.

References SimpleAGC< AvgSize >::feed(), SimpleAGC< AvgSize >::getValue(), i, m_agcActive, m_magsq, m_magsqCount, m_magsqPeak, m_magsqSum, m_sampleBuffer, m_settings, m_simpleAGC, m_spanLog2, m_sum, m_undersampleCount, FreeDVDemodSettings::m_volumeIn, pushSampleToDV(), fftfilt::runSSB(), SDR_RX_SCALED, and SSBFilter.

Referenced by feed().

{
    fftfilt::cmplx *sideband;
    int n_out = 0;
    int decim = 1<<(m_spanLog2 - 1);
    unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)

    n_out = SSBFilter->runSSB(ci, &sideband, true); // always USB side

    for (int i = 0; i < n_out; i++)
    {
        // Downsample by 2^(m_scaleLog2 - 1) for SSB band spectrum display
        // smart decimation with bit gain using float arithmetic (23 bits significand)

        m_sum += sideband[i];

        if (!(m_undersampleCount++ & decim_mask))
        {
            Real avgr = m_sum.real() / decim;
            Real avgi = m_sum.imag() / decim;
            m_magsq = (avgr * avgr + avgi * avgi) / (SDR_RX_SCALED*SDR_RX_SCALED);

            m_magsqSum += m_magsq;

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

            m_magsqCount++;
            m_sampleBuffer.push_back(Sample(avgr, avgi));
            m_sum.real(0.0);
            m_sum.imag(0.0);
        }

        // fftfilt::cmplx z = sideband[i];
        // Real demod = (z.real() + z.imag()) * 0.7;
        Real demod = sideband[i].real(); // works as good

        if (m_agcActive)
        {
            m_simpleAGC.feed(demod);
            demod *= (m_settings.m_volumeIn * 3276.8f) / m_simpleAGC.getValue(); // provision for peak to average ratio (here 10) compensated by m_volumeIn
            // if (i == 0) {
            //     qDebug("FreeDVDemod::feed: m_simpleAGC: %f", m_simpleAGC.getValue());
            // }
        }
        else
        {
            demod *= m_settings.m_volumeIn;
        }

        pushSampleToDV((qint16) demod);
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

pushSampleToAudio()

void FreeDVDemod::pushSampleToAudio ( int16_t  sample )

private

Definition at line 496 of file freedvdemod.cpp.

References m_audioBuffer, m_audioBufferFill, m_audioFifo, m_volume, and AudioFifo::write().

Referenced by pushSampleToDV().

{
    m_audioBuffer[m_audioBufferFill].l = sample * m_volume;
    m_audioBuffer[m_audioBufferFill].r = sample * m_volume;
    ++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("FreeDVDemod::pushSampleToAudio: %u/%u samples written", res, m_audioBufferFill);
        }

        m_audioBufferFill = 0;
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

pushSampleToDV()

void FreeDVDemod::pushSampleToDV ( int16_t  sample )

private

Definition at line 450 of file freedvdemod.cpp.

References FreeDVDemod::FreeDVSNR::accumulate(), FreeDVDemod::LevelRMS::accumulate(), FreeDVDemod::FreeDVStats::collect(), AudioResampler::getDecimation(), i, levelInChanged(), FreeDVDemodSettings::m_audioMute, m_audioResampler, m_freeDV, m_freeDVSNR, m_freeDVStats, m_iModem, m_iSpeech, m_levelIn, m_levelInNbSamples, m_modIn, FreeDVDemod::LevelRMS::m_n, m_nin, FreeDVDemod::LevelRMS::m_peak, FreeDVDemod::LevelRMS::m_reset, m_settings, FreeDVDemod::FreeDVStats::m_snrEst, m_speechOut, FreeDVDemod::LevelRMS::m_sum, pushSampleToAudio(), sqrt(), and AudioResampler::upSample().

Referenced by processOneSample().

{
    qint16 audioSample;

    if (m_levelIn.m_n >= m_levelInNbSamples)
    {
        qreal rmsLevel = sqrt(m_levelIn.m_sum / m_levelInNbSamples);
        // qDebug("FreeDVDemod::pushSampleToDV: rmsLevel: %f m_peak: %f m_levelInNbSamples: %d",
        //     rmsLevel, m_levelIn.m_peak, m_levelInNbSamples);
        emit levelInChanged(rmsLevel, m_levelIn.m_peak, m_levelInNbSamples);
        m_levelIn.m_reset = true;
    }

    m_levelIn.accumulate(sample/29491.2f); // scale on 90% (0.9 * 32768.0)

    if (m_iModem == m_nin)
    {
        int nout = freedv_rx(m_freeDV, m_speechOut, m_modIn);
        m_freeDVStats.collect(m_freeDV);
        m_freeDVSNR.accumulate(m_freeDVStats.m_snrEst);

        if (m_settings.m_audioMute)
        {
            for (uint32_t i = 0; i < nout * m_audioResampler.getDecimation(); i++) {
                pushSampleToAudio(0);
            }
        }
        else
        {
            for (int i = 0; i < nout; i++)
            {
                while (!m_audioResampler.upSample(m_speechOut[i], audioSample)) {
                    pushSampleToAudio(audioSample);
                }

                pushSampleToAudio(audioSample);
            }
        }

        m_iModem = 0;
        m_iSpeech = 0;
    }

    m_modIn[m_iModem++] = sample;
}

Here is the call graph for this function:

Here is the caller graph for this function:

serialize()

QByteArray FreeDVDemod::serialize ( ) const

virtual

Implements ChannelAPI.

Definition at line 782 of file freedvdemod.cpp.

References m_settings, and FreeDVDemodSettings::serialize().

Referenced by getCenterFrequency().

{
    return m_settings.serialize();
}

Here is the call graph for this function:

Here is the caller graph for this function:

setSampleSink()

void FreeDVDemod::setSampleSink ( BasebandSampleSink *  sampleSink )

inline

Definition at line 115 of file freedvdemod.h.

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

Referenced by FreeDVDemodGUI::FreeDVDemodGUI().

{ m_sampleSink = sampleSink; }

Here is the call graph for this function:

Here is the caller graph for this function:

start()

void FreeDVDemod::start ( )

virtual

Implements BasebandSampleSink.

Definition at line 363 of file freedvdemod.cpp.

References applyChannelSettings(), m_inputFrequencyOffset, and m_inputSampleRate.

Referenced by setSampleSink().

{
    applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
}

Here is the call graph for this function:

Here is the caller graph for this function:

stop()

void FreeDVDemod::stop ( )

virtual

Implements BasebandSampleSink.

Definition at line 368 of file freedvdemod.cpp.

Referenced by setSampleSink().

{
}

Here is the caller graph for this function:

webapiFormatChannelReport()

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

private

Definition at line 943 of file freedvdemod.cpp.

References CalcDb::dbPower(), SWGSDRangel::SWGChannelReport::getFreeDvDemodReport(), getMagSqLevels(), m_audioActive, m_audioSampleRate, m_inputSampleRate, SWGSDRangel::SWGFreeDVDemodReport::setAudioSampleRate(), SWGSDRangel::SWGFreeDVDemodReport::setChannelPowerDb(), SWGSDRangel::SWGFreeDVDemodReport::setChannelSampleRate(), and SWGSDRangel::SWGFreeDVDemodReport::setSquelch().

Referenced by webapiReportGet().

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

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

Here is the call graph for this function:

Here is the caller graph for this function:

webapiFormatChannelSettings()

void FreeDVDemod::webapiFormatChannelSettings ( SWGSDRangel::SWGChannelSettings &  response, const FreeDVDemodSettings &  settings  )

private

Definition at line 906 of file freedvdemod.cpp.

References SWGSDRangel::SWGFreeDVDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGChannelSettings::getFreeDvDemodSettings(), SWGSDRangel::SWGFreeDVDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGFreeDVDemodSettings::getTitle(), FreeDVDemodSettings::m_agc, FreeDVDemodSettings::m_audioDeviceName, FreeDVDemodSettings::m_audioMute, FreeDVDemodSettings::m_freeDVMode, FreeDVDemodSettings::m_inputFrequencyOffset, FreeDVDemodSettings::m_reverseAPIAddress, FreeDVDemodSettings::m_reverseAPIChannelIndex, FreeDVDemodSettings::m_reverseAPIDeviceIndex, FreeDVDemodSettings::m_reverseAPIPort, FreeDVDemodSettings::m_rgbColor, FreeDVDemodSettings::m_spanLog2, FreeDVDemodSettings::m_title, FreeDVDemodSettings::m_useReverseAPI, FreeDVDemodSettings::m_volume, FreeDVDemodSettings::m_volumeIn, SWGSDRangel::SWGFreeDVDemodSettings::setAgc(), SWGSDRangel::SWGFreeDVDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGFreeDVDemodSettings::setAudioMute(), SWGSDRangel::SWGFreeDVDemodSettings::setFreeDvMode(), SWGSDRangel::SWGFreeDVDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGFreeDVDemodSettings::setReverseApiAddress(), SWGSDRangel::SWGFreeDVDemodSettings::setReverseApiChannelIndex(), SWGSDRangel::SWGFreeDVDemodSettings::setReverseApiDeviceIndex(), SWGSDRangel::SWGFreeDVDemodSettings::setReverseApiPort(), SWGSDRangel::SWGFreeDVDemodSettings::setRgbColor(), SWGSDRangel::SWGFreeDVDemodSettings::setSpanLog2(), SWGSDRangel::SWGFreeDVDemodSettings::setTitle(), SWGSDRangel::SWGFreeDVDemodSettings::setUseReverseApi(), SWGSDRangel::SWGFreeDVDemodSettings::setVolume(), and SWGSDRangel::SWGFreeDVDemodSettings::setVolumeIn().

Referenced by webapiSettingsGet(), and webapiSettingsPutPatch().

{
    response.getFreeDvDemodSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
    response.getFreeDvDemodSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    response.getFreeDvDemodSettings()->setVolume(settings.m_volume);
    response.getFreeDvDemodSettings()->setVolumeIn(settings.m_volumeIn);
    response.getFreeDvDemodSettings()->setSpanLog2(settings.m_spanLog2);
    response.getFreeDvDemodSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
    response.getFreeDvDemodSettings()->setAgc(settings.m_agc ? 1 : 0);
    response.getFreeDvDemodSettings()->setRgbColor(settings.m_rgbColor);
    response.getFreeDvDemodSettings()->setFreeDvMode((int) settings.m_freeDVMode);

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

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

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

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

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

Here is the call graph for this function:

Here is the caller graph for this function:

webapiReportGet()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 895 of file freedvdemod.cpp.

References SWGSDRangel::SWGChannelReport::getFreeDvDemodReport(), SWGSDRangel::SWGFreeDVDemodReport::init(), SWGSDRangel::SWGChannelReport::setFreeDvDemodReport(), and webapiFormatChannelReport().

Referenced by isSync().

{
    (void) errorMessage;
    response.setFreeDvDemodReport(new SWGSDRangel::SWGFreeDVDemodReport());
    response.getFreeDvDemodReport()->init();
    webapiFormatChannelReport(response);
    return 200;
}

Here is the call graph for this function:

Here is the caller graph for this function:

webapiReverseSendSettings()

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

private

Definition at line 955 of file freedvdemod.cpp.

References SWGSDRangel::SWGChannelSettings::asJson(), ChannelAPI::getDeviceSetIndex(), SWGSDRangel::SWGChannelSettings::getFreeDvDemodSettings(), ChannelAPI::getIndexInDeviceSet(), FreeDVDemodSettings::m_agc, FreeDVDemodSettings::m_audioDeviceName, FreeDVDemodSettings::m_audioMute, FreeDVDemodSettings::m_freeDVMode, FreeDVDemodSettings::m_inputFrequencyOffset, m_networkManager, m_networkRequest, FreeDVDemodSettings::m_reverseAPIAddress, FreeDVDemodSettings::m_reverseAPIChannelIndex, FreeDVDemodSettings::m_reverseAPIDeviceIndex, FreeDVDemodSettings::m_reverseAPIPort, FreeDVDemodSettings::m_rgbColor, FreeDVDemodSettings::m_spanLog2, FreeDVDemodSettings::m_title, FreeDVDemodSettings::m_volume, FreeDVDemodSettings::m_volumeIn, SWGSDRangel::SWGFreeDVDemodSettings::setAgc(), SWGSDRangel::SWGFreeDVDemodSettings::setAudioDeviceName(), SWGSDRangel::SWGFreeDVDemodSettings::setAudioMute(), SWGSDRangel::SWGChannelSettings::setChannelType(), SWGSDRangel::SWGChannelSettings::setDirection(), SWGSDRangel::SWGChannelSettings::setFreeDvDemodSettings(), SWGSDRangel::SWGFreeDVDemodSettings::setFreeDvMode(), SWGSDRangel::SWGFreeDVDemodSettings::setInputFrequencyOffset(), SWGSDRangel::SWGChannelSettings::setOriginatorChannelIndex(), SWGSDRangel::SWGChannelSettings::setOriginatorDeviceSetIndex(), SWGSDRangel::SWGFreeDVDemodSettings::setRgbColor(), SWGSDRangel::SWGFreeDVDemodSettings::setSpanLog2(), SWGSDRangel::SWGFreeDVDemodSettings::setTitle(), SWGSDRangel::SWGFreeDVDemodSettings::setVolume(), and SWGSDRangel::SWGFreeDVDemodSettings::setVolumeIn().

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("SSBDemod"));
    swgChannelSettings->setFreeDvDemodSettings(new SWGSDRangel::SWGFreeDVDemodSettings());
    SWGSDRangel::SWGFreeDVDemodSettings *swgFreeDVDemodSettings = swgChannelSettings->getFreeDvDemodSettings();

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

    if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
        swgFreeDVDemodSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    }
    if (channelSettingsKeys.contains("freeDVMode") || force) {
        swgFreeDVDemodSettings->setFreeDvMode((int) settings.m_freeDVMode);
    }
    if (channelSettingsKeys.contains("volume") || force) {
        swgFreeDVDemodSettings->setVolume(settings.m_volume);
    }
    if (channelSettingsKeys.contains("volumeIn") || force) {
        swgFreeDVDemodSettings->setVolumeIn(settings.m_volumeIn);
    }
    if (channelSettingsKeys.contains("spanLog2") || force) {
        swgFreeDVDemodSettings->setSpanLog2(settings.m_spanLog2);
    }
    if (channelSettingsKeys.contains("audioMute") || force) {
        swgFreeDVDemodSettings->setAudioMute(settings.m_audioMute ? 1 : 0);
    }
    if (channelSettingsKeys.contains("agc") || force) {
        swgFreeDVDemodSettings->setAgc(settings.m_agc ? 1 : 0);
    }
    if (channelSettingsKeys.contains("rgbColor") || force) {
        swgFreeDVDemodSettings->setRgbColor(settings.m_rgbColor);
    }
    if (channelSettingsKeys.contains("title") || force) {
        swgFreeDVDemodSettings->setTitle(new QString(settings.m_title));
    }
    if (channelSettingsKeys.contains("audioDeviceName") || force) {
        swgFreeDVDemodSettings->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;
}

Here is the call graph for this function:

Here is the caller graph for this function:

webapiSettingsGet()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 804 of file freedvdemod.cpp.

References SWGSDRangel::SWGChannelSettings::getFreeDvDemodSettings(), SWGSDRangel::SWGFreeDVDemodSettings::init(), m_settings, SWGSDRangel::SWGChannelSettings::setFreeDvDemodSettings(), and webapiFormatChannelSettings().

Referenced by isSync().

{
    (void) errorMessage;
    response.setFreeDvDemodSettings(new SWGSDRangel::SWGFreeDVDemodSettings());
    response.getFreeDvDemodSettings()->init();
    webapiFormatChannelSettings(response, m_settings);
    return 200;
}

Here is the call graph for this function:

Here is the caller graph for this function:

webapiSettingsPutPatch()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 815 of file freedvdemod.cpp.

References FreeDVDemod::MsgConfigureFreeDVDemod::create(), FreeDVDemod::MsgConfigureChannelizer::create(), SWGSDRangel::SWGFreeDVDemodSettings::getAgc(), SWGSDRangel::SWGFreeDVDemodSettings::getAudioDeviceName(), SWGSDRangel::SWGFreeDVDemodSettings::getAudioMute(), SWGSDRangel::SWGChannelSettings::getFreeDvDemodSettings(), SWGSDRangel::SWGFreeDVDemodSettings::getFreeDvMode(), SWGSDRangel::SWGFreeDVDemodSettings::getInputFrequencyOffset(), SWGSDRangel::SWGFreeDVDemodSettings::getReverseApiAddress(), SWGSDRangel::SWGFreeDVDemodSettings::getReverseApiChannelIndex(), SWGSDRangel::SWGFreeDVDemodSettings::getReverseApiDeviceIndex(), SWGSDRangel::SWGFreeDVDemodSettings::getReverseApiPort(), SWGSDRangel::SWGFreeDVDemodSettings::getRgbColor(), SWGSDRangel::SWGFreeDVDemodSettings::getSpanLog2(), SWGSDRangel::SWGFreeDVDemodSettings::getTitle(), SWGSDRangel::SWGFreeDVDemodSettings::getUseReverseApi(), SWGSDRangel::SWGFreeDVDemodSettings::getVolume(), SWGSDRangel::SWGFreeDVDemodSettings::getVolumeIn(), FreeDVDemodSettings::m_agc, FreeDVDemodSettings::m_audioDeviceName, FreeDVDemodSettings::m_audioMute, FreeDVDemodSettings::m_freeDVMode, BasebandSampleSink::m_guiMessageQueue, FreeDVDemodSettings::m_inputFrequencyOffset, BasebandSampleSink::m_inputMessageQueue, m_modemSampleRate, FreeDVDemodSettings::m_reverseAPIAddress, FreeDVDemodSettings::m_reverseAPIChannelIndex, FreeDVDemodSettings::m_reverseAPIDeviceIndex, FreeDVDemodSettings::m_reverseAPIPort, FreeDVDemodSettings::m_rgbColor, m_settings, FreeDVDemodSettings::m_spanLog2, FreeDVDemodSettings::m_title, FreeDVDemodSettings::m_useReverseAPI, FreeDVDemodSettings::m_volume, FreeDVDemodSettings::m_volumeIn, MessageQueue::push(), and webapiFormatChannelSettings().

Referenced by isSync().

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

    if (channelSettingsKeys.contains("inputFrequencyOffset"))
    {
        settings.m_inputFrequencyOffset = response.getFreeDvDemodSettings()->getInputFrequencyOffset();
        frequencyOffsetChanged = true;
    }
    if (channelSettingsKeys.contains("freeDVMode")) {
        settings.m_freeDVMode = (FreeDVDemodSettings::FreeDVMode) response.getFreeDvDemodSettings()->getFreeDvMode();
    }
    if (channelSettingsKeys.contains("volume")) {
        settings.m_volume = response.getFreeDvDemodSettings()->getVolume();
    }
    if (channelSettingsKeys.contains("volumeIn")) {
        settings.m_volumeIn = response.getFreeDvDemodSettings()->getVolumeIn();
    }
    if (channelSettingsKeys.contains("spanLog2")) {
        settings.m_spanLog2 = response.getFreeDvDemodSettings()->getSpanLog2();
    }
    if (channelSettingsKeys.contains("audioMute")) {
        settings.m_audioMute = response.getFreeDvDemodSettings()->getAudioMute() != 0;
    }
    if (channelSettingsKeys.contains("agc")) {
        settings.m_agc = response.getFreeDvDemodSettings()->getAgc() != 0;
    }
    if (channelSettingsKeys.contains("rgbColor")) {
        settings.m_rgbColor = response.getFreeDvDemodSettings()->getRgbColor();
    }
    if (channelSettingsKeys.contains("title")) {
        settings.m_title = *response.getFreeDvDemodSettings()->getTitle();
    }
    if (channelSettingsKeys.contains("audioDeviceName")) {
        settings.m_audioDeviceName = *response.getFreeDvDemodSettings()->getAudioDeviceName();
    }
    if (channelSettingsKeys.contains("useReverseAPI")) {
        settings.m_useReverseAPI = response.getFreeDvDemodSettings()->getUseReverseApi() != 0;
    }
    if (channelSettingsKeys.contains("reverseAPIAddress")) {
        settings.m_reverseAPIAddress = *response.getFreeDvDemodSettings()->getReverseApiAddress();
    }
    if (channelSettingsKeys.contains("reverseAPIPort")) {
        settings.m_reverseAPIPort = response.getFreeDvDemodSettings()->getReverseApiPort();
    }
    if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
        settings.m_reverseAPIDeviceIndex = response.getFreeDvDemodSettings()->getReverseApiDeviceIndex();
    }
    if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
        settings.m_reverseAPIChannelIndex = response.getFreeDvDemodSettings()->getReverseApiChannelIndex();
    }

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

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

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

    webapiFormatChannelSettings(response, settings);

    return 200;
}

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

m_agcActive

bool FreeDVDemod::m_agcActive

private

Definition at line 376 of file freedvdemod.h.

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

m_audioActive

bool FreeDVDemod::m_audioActive

private

True if an audio signal is produced (no AGC or AGC and above threshold)

Definition at line 378 of file freedvdemod.h.

Referenced by FreeDVDemod(), getAudioActive(), and webapiFormatChannelReport().

m_audioBuffer

AudioVector FreeDVDemod::m_audioBuffer

private

Definition at line 389 of file freedvdemod.h.

Referenced by feed(), FreeDVDemod(), and pushSampleToAudio().

m_audioBufferFill

uint FreeDVDemod::m_audioBufferFill

private

Definition at line 390 of file freedvdemod.h.

Referenced by feed(), FreeDVDemod(), and pushSampleToAudio().

m_audioFifo

AudioFifo FreeDVDemod::m_audioFifo

private

Definition at line 391 of file freedvdemod.h.

Referenced by applyAudioSampleRate(), applySettings(), feed(), FreeDVDemod(), pushSampleToAudio(), and ~FreeDVDemod().

m_audioMute

bool FreeDVDemod::m_audioMute

private

Definition at line 369 of file freedvdemod.h.

Referenced by applySettings(), FreeDVDemod(), and FreeDVDemod::MsgConfigureFreeDVDemodPrivate::getAudioMute().

m_audioResampler

AudioResampler FreeDVDemod::m_audioResampler

private

Definition at line 404 of file freedvdemod.h.

Referenced by applyAudioSampleRate(), and pushSampleToDV().

m_audioSampleRate

uint32_t FreeDVDemod::m_audioSampleRate

private

Definition at line 367 of file freedvdemod.h.

Referenced by applyAudioSampleRate(), applySettings(), getAudioSampleRate(), handleMessage(), and webapiFormatChannelReport().

m_channelId

const QString FreeDVDemod::m_channelId = "FreeDVDemod"

static

Definition at line 197 of file freedvdemod.h.

Referenced by FreeDVDemod(), and FreeDVPlugin::initPlugin().

m_channelIdURI

const QString FreeDVDemod::m_channelIdURI = "sdrangel.channel.freedvdemod"

static

Definition at line 196 of file freedvdemod.h.

Referenced by FreeDVDemodGUI::FreeDVDemodGUI(), and FreeDVPlugin::initPlugin().

m_channelizer

DownChannelizer* FreeDVDemod::m_channelizer

private

Definition at line 355 of file freedvdemod.h.

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

m_deviceAPI

DeviceAPI* FreeDVDemod::m_deviceAPI

private

Definition at line 353 of file freedvdemod.h.

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

m_freeDV

struct freedv* FreeDVDemod::m_freeDV

private

Definition at line 396 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), handleMessage(), and pushSampleToDV().

m_freeDVSNR

FreeDVSNR FreeDVDemod::m_freeDVSNR

private

Definition at line 406 of file freedvdemod.h.

Referenced by getSNRLevels(), and pushSampleToDV().

m_freeDVStats

FreeDVStats FreeDVDemod::m_freeDVStats

private

Definition at line 405 of file freedvdemod.h.

Referenced by applyFreeDVMode(), getBER(), getFrequencyOffset(), isSync(), and pushSampleToDV().

m_hiCutoff

Real FreeDVDemod::m_hiCutoff

private

Definition at line 358 of file freedvdemod.h.

Referenced by applyChannelSettings(), applyFreeDVMode(), and FreeDVDemod().

m_iModem

int FreeDVDemod::m_iModem

private

Definition at line 401 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), and pushSampleToDV().

m_inputFrequencyOffset

int FreeDVDemod::m_inputFrequencyOffset

private

Definition at line 368 of file freedvdemod.h.

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

m_inputSampleRate

int FreeDVDemod::m_inputSampleRate

private

Definition at line 364 of file freedvdemod.h.

Referenced by applyChannelSettings(), applyFreeDVMode(), FreeDVDemod(), start(), and webapiFormatChannelReport().

m_interpolator

Interpolator FreeDVDemod::m_interpolator

private

Definition at line 381 of file freedvdemod.h.

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

m_interpolatorDistance

Real FreeDVDemod::m_interpolatorDistance

private

Definition at line 382 of file freedvdemod.h.

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

m_interpolatorDistanceRemain

Real FreeDVDemod::m_interpolatorDistanceRemain

private

Definition at line 383 of file freedvdemod.h.

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

m_iSpeech

int FreeDVDemod::m_iSpeech

private

Definition at line 400 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), and pushSampleToDV().

m_levelIn

LevelRMS FreeDVDemod::m_levelIn

private

Definition at line 407 of file freedvdemod.h.

Referenced by pushSampleToDV().

m_levelInNbSamples

int FreeDVDemod::m_levelInNbSamples

private

Definition at line 408 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), and pushSampleToDV().

m_lowCutoff

Real FreeDVDemod::m_lowCutoff

private

Definition at line 359 of file freedvdemod.h.

Referenced by applyFreeDVMode(), and FreeDVDemod().

m_magsq

double FreeDVDemod::m_magsq

private

Definition at line 370 of file freedvdemod.h.

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

m_magsqCount

int FreeDVDemod::m_magsqCount

private

Definition at line 373 of file freedvdemod.h.

Referenced by FreeDVDemod(), getMagSqLevels(), and processOneSample().

m_magSqLevelStore

MagSqLevelsStore FreeDVDemod::m_magSqLevelStore

private

Definition at line 374 of file freedvdemod.h.

Referenced by getMagSqLevels().

m_magsqPeak

double FreeDVDemod::m_magsqPeak

private

Definition at line 372 of file freedvdemod.h.

Referenced by FreeDVDemod(), getMagSqLevels(), and processOneSample().

m_magsqSum

double FreeDVDemod::m_magsqSum

private

Definition at line 371 of file freedvdemod.h.

Referenced by FreeDVDemod(), getMagSqLevels(), and processOneSample().

m_modemSampleRate

uint32_t FreeDVDemod::m_modemSampleRate

private

Definition at line 365 of file freedvdemod.h.

Referenced by applyChannelSettings(), applyFreeDVMode(), FreeDVDemod(), getModemSampleRate(), and webapiSettingsPutPatch().

m_modIn

int16_t* FreeDVDemod::m_modIn

private

Definition at line 403 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), and pushSampleToDV().

m_nco

NCOF FreeDVDemod::m_nco

private

Definition at line 380 of file freedvdemod.h.

Referenced by applyChannelSettings(), and feed().

m_networkManager

QNetworkAccessManager* FreeDVDemod::m_networkManager

private

Definition at line 393 of file freedvdemod.h.

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

m_networkRequest

QNetworkRequest FreeDVDemod::m_networkRequest

private

Definition at line 394 of file freedvdemod.h.

Referenced by webapiReverseSendSettings().

m_nin

int FreeDVDemod::m_nin

private

Definition at line 399 of file freedvdemod.h.

Referenced by applyFreeDVMode(), and pushSampleToDV().

m_nMaxModemSamples

int FreeDVDemod::m_nMaxModemSamples

private

Definition at line 398 of file freedvdemod.h.

Referenced by applyFreeDVMode(), and FreeDVDemod().

m_nSpeechSamples

int FreeDVDemod::m_nSpeechSamples

private

Definition at line 397 of file freedvdemod.h.

Referenced by applyFreeDVMode(), and FreeDVDemod().

m_sampleBuffer

SampleVector FreeDVDemod::m_sampleBuffer

private

Definition at line 387 of file freedvdemod.h.

Referenced by feed(), and processOneSample().

m_sampleSink

BasebandSampleSink* FreeDVDemod::m_sampleSink

private

Definition at line 386 of file freedvdemod.h.

Referenced by feed(), FreeDVDemod(), handleMessage(), and setSampleSink().

m_settings

FreeDVDemodSettings FreeDVDemod::m_settings

private

Definition at line 356 of file freedvdemod.h.

Referenced by applyFreeDVMode(), applySettings(), deserialize(), FreeDVDemod(), processOneSample(), pushSampleToDV(), serialize(), webapiSettingsGet(), and webapiSettingsPutPatch().

m_settingsMutex

QMutex FreeDVDemod::m_settingsMutex

private

Definition at line 410 of file freedvdemod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applyFreeDVMode(), feed(), FreeDVDemod(), and handleMessage().

m_simpleAGC

SimpleAGC<4800> FreeDVDemod::m_simpleAGC

private

Definition at line 375 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), and processOneSample().

m_spanLog2

int FreeDVDemod::m_spanLog2

private

Definition at line 361 of file freedvdemod.h.

Referenced by applySettings(), feed(), FreeDVDemod::MsgConfigureFreeDVDemodPrivate::getSpanLog2(), and processOneSample().

m_speechOut

int16_t* FreeDVDemod::m_speechOut

private

Definition at line 402 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), and pushSampleToDV().

m_speechSampleRate

uint32_t FreeDVDemod::m_speechSampleRate

private

Definition at line 366 of file freedvdemod.h.

Referenced by applyAudioSampleRate(), and FreeDVDemod().

m_squelchDelayLine

DoubleBufferFIFO<fftfilt::cmplx> FreeDVDemod::m_squelchDelayLine

private

Definition at line 377 of file freedvdemod.h.

Referenced by FreeDVDemod().

m_sum

fftfilt::cmplx FreeDVDemod::m_sum

private

Definition at line 362 of file freedvdemod.h.

Referenced by FreeDVDemod::FreeDVSNR::accumulate(), FreeDVDemod::LevelRMS::accumulate(), FreeDVDemod::FreeDVSNR::FreeDVSNR(), FreeDVDemod::LevelRMS::LevelRMS(), and processOneSample().

m_threadedChannelizer

ThreadedBasebandSampleSink* FreeDVDemod::m_threadedChannelizer

private

Definition at line 354 of file freedvdemod.h.

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

m_undersampleCount

int FreeDVDemod::m_undersampleCount

private

Definition at line 363 of file freedvdemod.h.

Referenced by FreeDVDemod(), and processOneSample().

m_volume

Real FreeDVDemod::m_volume

private

Definition at line 360 of file freedvdemod.h.

Referenced by applySettings(), FreeDVDemod::MsgConfigureFreeDVDemodPrivate::getVolume(), and pushSampleToAudio().

SSBFilter

fftfilt* FreeDVDemod::SSBFilter

private

Definition at line 384 of file freedvdemod.h.

Referenced by applyFreeDVMode(), FreeDVDemod(), processOneSample(), and ~FreeDVDemod().

---

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

• plugins/channelrx/demodfreedv/freedvdemod.h
• plugins/channelrx/demodfreedv/freedvdemod.cpp