FreeDVMod Class Reference

#include <freedvmod.h>

Inheritance diagram for FreeDVMod:

Collaboration diagram for FreeDVMod:

Classes
class	MsgConfigureChannelizer
class	MsgConfigureFileSourceName
class	MsgConfigureFileSourceSeek
class	MsgConfigureFileSourceStreamTiming
class	MsgConfigureFreeDVMod
class	MsgReportFileSourceStreamData
class	MsgReportFileSourceStreamTiming

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

Public Member Functions
	FreeDVMod (DeviceAPI *deviceAPI)
	~FreeDVMod ()
virtual void	destroy ()
void	setSpectrumSampleSink (BasebandSampleSink *sampleSink)
virtual void	pull (Sample &sample)
virtual void	pullAudio (int nbSamples)
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
uint32_t	getModemSampleRate () const
double	getMagSq () const
Real	getLowCutoff () const
Real	getHiCutoff () const
CWKeyer *	getCWKeyer ()
Public Member Functions inherited from BasebandSampleSource
	BasebandSampleSource ()
virtual	~BasebandSampleSource ()
void	feed (SampleSourceFifo *sampleFifo, int nbSamples)
SampleSourceFifo &	getSampleSourceFifo ()
MessageQueue *	getInputMessageQueue ()
	Get the queue for asynchronous inbound communication. More...
virtual void	setMessageQueueToGUI (MessageQueue *queue)
MessageQueue *	getMessageQueueToGUI ()
void	setDeviceSampleSourceFifo (SampleSourceFifo *deviceSampleFifo)
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.channeltx.freedvmod"
static const QString	m_channelId = "FreeDVMod"

Private Types
enum	RateState { RSInitialFill, RSRunning }

Private Slots
void	networkManagerFinished (QNetworkReply *reply)

Private Member Functions
void	applyAudioSampleRate (int sampleRate)
void	applyChannelSettings (int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force=false)
void	applySettings (const FreeDVModSettings &settings, bool force=false)
void	applyFreeDVMode (FreeDVModSettings::FreeDVMode mode)
void	pullAF (Complex &sample)
void	calculateLevel (Complex &sample)
void	calculateLevel (qint16 &sample)
void	modulateSample ()
void	openFileStream ()
void	seekFileStream (int seekPercentage)
void	webapiFormatChannelSettings (SWGSDRangel::SWGChannelSettings &response, const FreeDVModSettings &settings)
void	webapiFormatChannelReport (SWGSDRangel::SWGChannelReport &response)
void	webapiReverseSendSettings (QList< QString > &channelSettingsKeys, const FreeDVModSettings &settings, bool force)
void	webapiReverseSendCWSettings (const CWKeyerSettings &settings)

Private Attributes
DeviceAPI *	m_deviceAPI
ThreadedBasebandSampleSource *	m_threadedChannelizer
UpChannelizer *	m_channelizer
int	m_basebandSampleRate
int	m_outputSampleRate
int	m_modemSampleRate
int	m_inputFrequencyOffset
Real	m_lowCutoff
Real	m_hiCutoff
FreeDVModSettings	m_settings
NCOF	m_carrierNco
NCOF	m_toneNco
Complex	m_modSample
Interpolator	m_interpolator
Real	m_interpolatorDistance
Real	m_interpolatorDistanceRemain
bool	m_interpolatorConsumed
fftfilt *	m_SSBFilter
Complex *	m_SSBFilterBuffer
int	m_SSBFilterBufferIndex
BasebandSampleSink *	m_sampleSink
SampleVector	m_sampleBuffer
fftfilt::cmplx	m_sum
int	m_undersampleCount
int	m_sumCount
double	m_magsq
MovingAverageUtil< double, double, 16 >	m_movingAverage
quint32	m_audioSampleRate
AudioVector	m_audioBuffer
uint	m_audioBufferFill
AudioFifo	m_audioFifo
QMutex	m_settingsMutex
std::ifstream	m_ifstream
QString	m_fileName
quint64	m_fileSize
	raw file size (bytes) More...
quint32	m_recordLength
	record length in seconds computed from file size More...
int	m_inputSampleRate
	speech (input) sample rate (fixed 8000 S/s) More...
quint32	m_levelCalcCount
Real	m_peakLevel
Real	m_levelSum
CWKeyer	m_cwKeyer
QNetworkAccessManager *	m_networkManager
QNetworkRequest	m_networkRequest
struct freedv *	m_freeDV
int	m_nSpeechSamples
int	m_nNomModemSamples
int	m_iSpeech
int	m_iModem
int16_t *	m_speechIn
int16_t *	m_modOut
float	m_scaleFactor
	divide by this amount to scale from int16 to float in [-1.0, 1.0] interval More...
AudioResampler	m_audioResampler

Static Private Attributes
static const int	m_ssbFftLen = 1024
static const int	m_levelNbSamples = 80

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 BasebandSampleSource
void	handleInputMessages ()
void	handleWriteToFifo (int nbSamples)
void	handleWriteToDeviceFifo (int nbSamples)
Protected Member Functions inherited from BasebandSampleSource
void	handleWriteToFifo (SampleSourceFifo *sampleFifo, int nbSamples)
Protected Attributes inherited from BasebandSampleSource
MessageQueue	m_inputMessageQueue
	Queue for asynchronous inbound communication. More...
MessageQueue *	m_guiMessageQueue
	Input message queue to the GUI. More...
SampleSourceFifo	m_sampleFifo
	Internal FIFO for multi-channel processing. More...
SampleSourceFifo *	m_deviceSampleFifo
	Reference to the device FIFO for single channel processing. More...

Detailed Description

Definition at line 51 of file freedvmod.h.

Member Enumeration Documentation

RateState

enum FreeDVMod::RateState

private

Enumerator
RSInitialFill
RSRunning

Definition at line 273 of file freedvmod.h.

                   {
        RSInitialFill,
        RSRunning
    };

Constructor & Destructor Documentation

FreeDVMod()

FreeDVMod::FreeDVMod

(

DeviceAPI *

deviceAPI

)

Definition at line 57 of file freedvmod.cpp.

References AudioDeviceManager::addAudioSource(), DeviceAPI::addChannelSource(), DeviceAPI::addChannelSourceAPI(), applyChannelSettings(), applySettings(), DSPEngine::getAudioDeviceManager(), BasebandSampleSource::getInputMessageQueue(), AudioDeviceManager::getInputSampleRate(), DSPEngine::instance(), m_audioBuffer, m_audioBufferFill, m_audioFifo, m_audioSampleRate, m_basebandSampleRate, m_channelId, m_channelizer, m_cwKeyer, m_deviceAPI, m_hiCutoff, m_inputFrequencyOffset, m_inputSampleRate, m_lowCutoff, m_magsq, m_networkManager, m_outputSampleRate, m_settings, m_ssbFftLen, m_SSBFilter, m_SSBFilterBuffer, m_sum, m_sumCount, m_threadedChannelizer, m_toneNco, m_undersampleCount, networkManagerFinished(), CWKeyer::reset(), NCOF::setFreq(), and CWKeyer::setSampleRate().

Referenced by FreeDVMod::MsgReportFileSourceStreamData::MsgReportFileSourceStreamData().

                                         :
    ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSource),
    m_deviceAPI(deviceAPI),
    m_basebandSampleRate(48000),
    m_outputSampleRate(48000),
    m_modemSampleRate(48000), // // default 2400A mode
    m_inputFrequencyOffset(0),
    m_lowCutoff(0.0),
    m_hiCutoff(6000.0),
    m_SSBFilter(0),
    m_SSBFilterBuffer(0),
    m_SSBFilterBufferIndex(0),
    m_sampleSink(0),
    m_audioFifo(4800),
    m_settingsMutex(QMutex::Recursive),
    m_fileSize(0),
    m_recordLength(0),
    m_inputSampleRate(8000), // all modes take 8000 S/s input
    m_levelCalcCount(0),
    m_peakLevel(0.0f),
    m_levelSum(0.0f),
    m_freeDV(0),
    m_nSpeechSamples(0),
    m_nNomModemSamples(0),
    m_iSpeech(0),
    m_iModem(0),
    m_speechIn(0),
    m_modOut(0),
    m_scaleFactor(SDR_TX_SCALEF)
{
    setObjectName(m_channelId);

    DSPEngine::instance()->getAudioDeviceManager()->addAudioSource(&m_audioFifo, getInputMessageQueue());
    m_audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getInputSampleRate();

    m_SSBFilter = new fftfilt(m_lowCutoff / m_audioSampleRate, m_hiCutoff / m_audioSampleRate, m_ssbFftLen);
    m_SSBFilterBuffer = new Complex[m_ssbFftLen>>1]; // filter returns data exactly half of its size
    std::fill(m_SSBFilterBuffer, m_SSBFilterBuffer+(m_ssbFftLen>>1), Complex{0,0});

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

    m_sum.real(0.0f);
    m_sum.imag(0.0f);
    m_undersampleCount = 0;
    m_sumCount = 0;

    m_magsq = 0.0;

    m_toneNco.setFreq(1000.0, m_inputSampleRate);
    m_cwKeyer.setSampleRate(m_inputSampleRate);
    m_cwKeyer.reset();

    m_channelizer = new UpChannelizer(this);
    m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
    m_deviceAPI->addChannelSource(m_threadedChannelizer);
    m_deviceAPI->addChannelSourceAPI(this);

    applySettings(m_settings, true);
    applyChannelSettings(m_basebandSampleRate, m_outputSampleRate, m_inputFrequencyOffset, true);

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

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~FreeDVMod()

FreeDVMod::~FreeDVMod

(

)

Definition at line 122 of file freedvmod.cpp.

References DSPEngine::getAudioDeviceManager(), DSPEngine::instance(), m_audioFifo, m_channelizer, m_deviceAPI, m_freeDV, m_networkManager, m_SSBFilter, m_SSBFilterBuffer, m_threadedChannelizer, networkManagerFinished(), AudioDeviceManager::removeAudioSource(), DeviceAPI::removeChannelSource(), and DeviceAPI::removeChannelSourceAPI().

Referenced by FreeDVMod::MsgReportFileSourceStreamData::MsgReportFileSourceStreamData().

{
    disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
    delete m_networkManager;

    DSPEngine::instance()->getAudioDeviceManager()->removeAudioSource(&m_audioFifo);

    m_deviceAPI->removeChannelSourceAPI(this);
    m_deviceAPI->removeChannelSource(m_threadedChannelizer);
    delete m_threadedChannelizer;
    delete m_channelizer;

    delete m_SSBFilter;
    delete[] m_SSBFilterBuffer;

    if (m_freeDV) {
        freedv_close(m_freeDV);
    }
}

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Member Function Documentation

applyAudioSampleRate()

void FreeDVMod::applyAudioSampleRate ( int  sampleRate )

private

Definition at line 567 of file freedvmod.cpp.

References m_audioResampler, m_audioSampleRate, m_inputSampleRate, m_settingsMutex, AudioResampler::setAudioFilters(), and AudioResampler::setDecimation().

Referenced by applySettings(), and handleMessage().

{
    qDebug("FreeDVMod::applyAudioSampleRate: %d", sampleRate);
    // TODO: put up simple IIR interpolator when sampleRate < m_modemSampleRate

    m_settingsMutex.lock();
    m_audioResampler.setDecimation(sampleRate / m_inputSampleRate);
    m_audioResampler.setAudioFilters(sampleRate, sampleRate, 250, 3300);
    m_settingsMutex.unlock();

    m_audioSampleRate = sampleRate;
}

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applyChannelSettings()

void FreeDVMod::applyChannelSettings ( int  basebandSampleRate, int  outputSampleRate, int  inputFrequencyOffset, bool  force = false  )

private

Definition at line 580 of file freedvmod.cpp.

References Interpolator::create(), m_basebandSampleRate, m_carrierNco, m_hiCutoff, m_inputFrequencyOffset, m_interpolator, m_interpolatorConsumed, m_interpolatorDistance, m_interpolatorDistanceRemain, m_modemSampleRate, m_outputSampleRate, m_settingsMutex, and NCOF::setFreq().

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

{
    qDebug() << "FreeDVMod::applyChannelSettings:"
            << " basebandSampleRate: " << basebandSampleRate
            << " outputSampleRate: " << outputSampleRate
            << " inputFrequencyOffset: " << inputFrequencyOffset;

    if ((inputFrequencyOffset != m_inputFrequencyOffset) ||
        (outputSampleRate != m_outputSampleRate) || force)
    {
        m_settingsMutex.lock();
        m_carrierNco.setFreq(inputFrequencyOffset, outputSampleRate);
        m_settingsMutex.unlock();
    }

    if ((outputSampleRate != m_outputSampleRate) || force)
    {
        m_settingsMutex.lock();
        m_interpolatorDistanceRemain = 0;
        m_interpolatorConsumed = false;
        m_interpolatorDistance = (Real) m_modemSampleRate / (Real) outputSampleRate;
        m_interpolator.create(48, m_modemSampleRate, m_hiCutoff, 3.0);
        m_settingsMutex.unlock();
    }

    m_basebandSampleRate = basebandSampleRate;
    m_outputSampleRate = outputSampleRate;
    m_inputFrequencyOffset = inputFrequencyOffset;
}

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applyFreeDVMode()

void FreeDVMod::applyFreeDVMode ( FreeDVModSettings::FreeDVMode  mode )

private

Definition at line 610 of file freedvmod.cpp.

References DSPConfigureAudio::AudioInput, Interpolator::create(), FreeDVMod::MsgConfigureChannelizer::create(), fftfilt::create_filter(), FreeDVModSettings::FreeDVMode1600, FreeDVModSettings::FreeDVMode2400A, FreeDVModSettings::FreeDVMode700C, FreeDVModSettings::FreeDVMode700D, FreeDVModSettings::FreeDVMode800XA, FreeDVModSettings::getHiCutoff(), FreeDVModSettings::getLowCutoff(), BasebandSampleSource::getMessageQueueToGUI(), FreeDVModSettings::getModSampleRate(), m_freeDV, m_hiCutoff, m_iModem, FreeDVModSettings::m_inputFrequencyOffset, BasebandSampleSource::m_inputMessageQueue, m_interpolator, m_interpolatorConsumed, m_interpolatorDistance, m_interpolatorDistanceRemain, m_iSpeech, m_lowCutoff, m_modemSampleRate, m_modOut, m_nNomModemSamples, m_nSpeechSamples, m_outputSampleRate, m_scaleFactor, m_settings, m_settingsMutex, m_speechIn, m_SSBFilter, MessageQueue::push(), and SDR_TX_SCALEF.

Referenced by applySettings().

{
    m_hiCutoff = FreeDVModSettings::getHiCutoff(mode);
    m_lowCutoff = FreeDVModSettings::getLowCutoff(mode);
    int modemSampleRate = FreeDVModSettings::getModSampleRate(mode);

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

    // baseband interpolator and filter
    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) modemSampleRate / (Real) m_outputSampleRate;
        m_interpolator.create(48, modemSampleRate, m_hiCutoff, 3.0);
        m_modemSampleRate = modemSampleRate;

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

    // FreeDV object

    if (m_freeDV) {
        freedv_close(m_freeDV);
    }

    int fdv_mode = -1;

    switch(mode)
    {
    case FreeDVModSettings::FreeDVMode700C:
        fdv_mode = FREEDV_MODE_700C;
        m_scaleFactor = SDR_TX_SCALEF / 3.2f;
        break;
    case FreeDVModSettings::FreeDVMode700D:
        fdv_mode = FREEDV_MODE_700D;
        m_scaleFactor = SDR_TX_SCALEF / 3.2f;
        break;
    case FreeDVModSettings::FreeDVMode800XA:
        fdv_mode = FREEDV_MODE_800XA;
        m_scaleFactor = SDR_TX_SCALEF / 8.2f;
        break;
    case FreeDVModSettings::FreeDVMode1600:
        fdv_mode = FREEDV_MODE_1600;
        m_scaleFactor = SDR_TX_SCALEF / 3.2f;
        break;
    case FreeDVModSettings::FreeDVMode2400A:
    default:
        fdv_mode = FREEDV_MODE_2400A;
        m_scaleFactor = SDR_TX_SCALEF / 8.2f;
        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, 1);
        freedv_set_clip(m_freeDV, 0);
        freedv_set_tx_bpf(m_freeDV, 1);
        freedv_set_ext_vco(m_freeDV, 0);

        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 nNomModemSamples = freedv_get_n_nom_modem_samples(m_freeDV);
        int Fs = freedv_get_modem_sample_rate(m_freeDV);
        int Rs = freedv_get_modem_symbol_rate(m_freeDV);

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

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

        if (nNomModemSamples != m_nNomModemSamples)
        {
            if (m_modOut) {
                delete[] m_modOut;
            }

            m_modOut = new int16_t[nNomModemSamples];
            m_nNomModemSamples = nNomModemSamples;
        }

        m_iSpeech = 0;
        m_iModem = 0;

        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_nNomModemSamples: " << m_nNomModemSamples;
    }

    m_settingsMutex.unlock();
}

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applySettings()

void FreeDVMod::applySettings ( const FreeDVModSettings &  settings, bool  force = false  )

private

Definition at line 738 of file freedvmod.cpp.

References AudioDeviceManager::addAudioSource(), applyAudioSampleRate(), applyFreeDVMode(), DSPEngine::getAudioDeviceManager(), AudioDeviceManager::getInputDeviceIndex(), BasebandSampleSource::getInputMessageQueue(), AudioDeviceManager::getInputSampleRate(), DSPEngine::instance(), FreeDVModSettings::m_audioDeviceName, m_audioFifo, FreeDVModSettings::m_audioMute, m_audioSampleRate, FreeDVModSettings::m_freeDVMode, FreeDVModSettings::m_gaugeInputElseModem, FreeDVModSettings::m_inputFrequencyOffset, m_inputSampleRate, FreeDVModSettings::m_modAFInput, FreeDVModSettings::m_playLoop, FreeDVModSettings::m_reverseAPIAddress, FreeDVModSettings::m_reverseAPIChannelIndex, FreeDVModSettings::m_reverseAPIDeviceIndex, FreeDVModSettings::m_reverseAPIPort, FreeDVModSettings::m_rgbColor, m_settings, m_settingsMutex, FreeDVModSettings::m_spanLog2, FreeDVModSettings::m_title, FreeDVModSettings::m_toneFrequency, m_toneNco, FreeDVModSettings::m_useReverseAPI, FreeDVModSettings::m_volumeFactor, NCOF::setFreq(), and webapiReverseSendSettings().

Referenced by FreeDVMod(), and handleMessage().

{
    QList<QString> reverseAPIKeys;

    if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force) {
        reverseAPIKeys.append("inputFrequencyOffset");
    }
    if ((settings.m_toneFrequency != m_settings.m_toneFrequency) || force) {
        reverseAPIKeys.append("toneFrequency");
    }
    if ((settings.m_volumeFactor != m_settings.m_volumeFactor) || force) {
        reverseAPIKeys.append("volumeFactor");
    }
    if ((settings.m_spanLog2 != m_settings.m_spanLog2) || force) {
        reverseAPIKeys.append("spanLog2");
    }
    if ((settings.m_audioMute != m_settings.m_audioMute) || force) {
        reverseAPIKeys.append("audioMute");
    }
    if ((settings.m_playLoop != m_settings.m_playLoop) || force) {
        reverseAPIKeys.append("playLoop");
    }
    if ((settings.m_playLoop != m_settings.m_gaugeInputElseModem) || force) {
        reverseAPIKeys.append("gaugeInputElseModem");
    }
    if ((settings.m_rgbColor != m_settings.m_rgbColor) || force) {
        reverseAPIKeys.append("rgbColor");
    }
    if ((settings.m_title != m_settings.m_title) || force) {
        reverseAPIKeys.append("title");
    }
    if ((settings.m_freeDVMode != m_settings.m_freeDVMode) || force) {
        reverseAPIKeys.append("freeDVMode");
    }
    if ((settings.m_modAFInput != m_settings.m_modAFInput) || force) {
        reverseAPIKeys.append("modAFInput");
    }
    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force) {
        reverseAPIKeys.append("audioDeviceName");
    }

    if ((settings.m_toneFrequency != m_settings.m_toneFrequency) || force)
    {
        m_settingsMutex.lock();
        m_toneNco.setFreq(settings.m_toneFrequency, m_inputSampleRate);
        m_settingsMutex.unlock();
    }

    if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
    {
        AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
        int audioDeviceIndex = audioDeviceManager->getInputDeviceIndex(settings.m_audioDeviceName);
        audioDeviceManager->addAudioSource(&m_audioFifo, getInputMessageQueue(), audioDeviceIndex);
        uint32_t audioSampleRate = audioDeviceManager->getInputSampleRate(audioDeviceIndex);

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

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

    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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calculateLevel() [1/2]

void FreeDVMod::calculateLevel ( Complex &  sample )

private

Definition at line 375 of file freedvmod.cpp.

References levelChanged(), m_levelCalcCount, m_levelNbSamples, m_levelSum, m_peakLevel, leansdr::max(), and sqrt().

Referenced by modulateSample(), and pullAF().

{
    Real t = sample.real(); // TODO: possibly adjust depending on sample type

    if (m_levelCalcCount < m_levelNbSamples)
    {
        m_peakLevel = std::max(std::fabs(m_peakLevel), t);
        m_levelSum += t * t;
        m_levelCalcCount++;
    }
    else
    {
        qreal rmsLevel = sqrt(m_levelSum / m_levelNbSamples);
        //qDebug("NFMMod::calculateLevel: %f %f", rmsLevel, m_peakLevel);
        emit levelChanged(rmsLevel, m_peakLevel, m_levelNbSamples);
        m_peakLevel = 0.0f;
        m_levelSum = 0.0f;
        m_levelCalcCount = 0;
    }
}

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calculateLevel() [2/2]

void FreeDVMod::calculateLevel ( qint16 &  sample )

private

Definition at line 396 of file freedvmod.cpp.

References levelChanged(), m_levelCalcCount, m_levelNbSamples, m_levelSum, m_peakLevel, leansdr::max(), SDR_TX_SCALEF, and sqrt().

{
    Real t = sample / SDR_TX_SCALEF;

    if (m_levelCalcCount < m_levelNbSamples)
    {
        m_peakLevel = std::max(std::fabs(m_peakLevel), t);
        m_levelSum += t * t;
        m_levelCalcCount++;
    }
    else
    {
        qreal rmsLevel = sqrt(m_levelSum / m_levelNbSamples);
        //qDebug("FreeDVMod::calculateLevel: %f %f", rmsLevel, m_peakLevel);
        emit levelChanged(rmsLevel, m_peakLevel, m_levelNbSamples);
        m_peakLevel = 0.0f;
        m_levelSum = 0.0f;
        m_levelCalcCount = 0;
    }
}

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deserialize()

bool FreeDVMod::deserialize ( const QByteArray &  data )

virtual

Implements ChannelAPI.

Definition at line 820 of file freedvmod.cpp.

References FreeDVMod::MsgConfigureFreeDVMod::create(), FreeDVModSettings::deserialize(), BasebandSampleSource::m_inputMessageQueue, m_settings, MessageQueue::push(), and FreeDVModSettings::resetToDefaults().

Referenced by getCenterFrequency().

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

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destroy()

virtual void FreeDVMod::destroy ( )

inlinevirtual

Implements ChannelAPI.

Definition at line 210 of file freedvmod.h.

{ delete this; }

getAudioSampleRate()

uint32_t FreeDVMod::getAudioSampleRate ( ) const

inline

Definition at line 251 of file freedvmod.h.

References m_audioSampleRate.

{ return m_audioSampleRate; }

getCenterFrequency()

virtual qint64 FreeDVMod::getCenterFrequency ( ) const

inlinevirtual

Applies to a default stream.

Implements ChannelAPI.

Definition at line 222 of file freedvmod.h.

References deserialize(), FreeDVModSettings::m_inputFrequencyOffset, FreeDVMod::MsgConfigureFreeDVMod::m_settings, and serialize().

{ return m_settings.m_inputFrequencyOffset; }

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getCWKeyer()

CWKeyer* FreeDVMod::getCWKeyer ( )

inline

Definition at line 257 of file freedvmod.h.

References m_cwKeyer.

Referenced by FreeDVModGUI::FreeDVModGUI().

{ return &m_cwKeyer; }

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getHiCutoff()

Real FreeDVMod::getHiCutoff ( ) const

inline

Definition at line 255 of file freedvmod.h.

References m_hiCutoff.

{ return m_hiCutoff; }

getIdentifier()

virtual void FreeDVMod::getIdentifier ( QString &  id )

inlinevirtual

Implements ChannelAPI.

Definition at line 220 of file freedvmod.h.

{ id = objectName(); }

getLowCutoff()

Real FreeDVMod::getLowCutoff ( ) const

inline

Definition at line 254 of file freedvmod.h.

References m_lowCutoff.

{ return m_lowCutoff; }

getMagSq()

double FreeDVMod::getMagSq ( ) const

inline

Definition at line 253 of file freedvmod.h.

References m_magsq.

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

{ return m_magsq; }

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getModemSampleRate()

uint32_t FreeDVMod::getModemSampleRate ( ) const

inline

Definition at line 252 of file freedvmod.h.

References m_modemSampleRate.

Referenced by FreeDVModGUI::displayBandwidths(), and FreeDVModGUI::handleMessage().

{ return m_modemSampleRate; }

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getNbSinkStreams()

virtual int FreeDVMod::getNbSinkStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 227 of file freedvmod.h.

{ return 1; }

getNbSourceStreams()

virtual int FreeDVMod::getNbSourceStreams ( ) const

inlinevirtual

Implements ChannelAPI.

Definition at line 228 of file freedvmod.h.

{ return 0; }

getStreamCenterFrequency()

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

inlinevirtual

Implements ChannelAPI.

Definition at line 230 of file freedvmod.h.

References FreeDVModSettings::m_inputFrequencyOffset, FreeDVMod::MsgConfigureFreeDVMod::m_settings, webapiReportGet(), webapiSettingsGet(), and webapiSettingsPutPatch().

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

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getTitle()

virtual void FreeDVMod::getTitle ( QString &  title )

inlinevirtual

Implements ChannelAPI.

Definition at line 221 of file freedvmod.h.

References FreeDVMod::MsgConfigureFreeDVMod::m_settings, and FreeDVModSettings::m_title.

{ title = m_settings.m_title; }

handleMessage()

bool FreeDVMod::handleMessage ( const Message &  cmd )

virtual

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

Implements BasebandSampleSource.

Definition at line 430 of file freedvmod.cpp.

References applyAudioSampleRate(), applyChannelSettings(), applySettings(), UpChannelizer::configure(), FreeDVMod::MsgReportFileSourceStreamTiming::create(), UpChannelizer::MsgChannelizerNotification::getBasebandSampleRate(), FreeDVMod::MsgConfigureChannelizer::getCenterFrequency(), FreeDVMod::MsgConfigureFileSourceName::getFileName(), FreeDVMod::MsgConfigureFreeDVMod::getForce(), UpChannelizer::MsgChannelizerNotification::getFrequencyOffset(), BasebandSampleSource::getInputMessageQueue(), BasebandSampleSource::getMessageQueueToGUI(), FreeDVMod::MsgConfigureFileSourceSeek::getPercentage(), UpChannelizer::MsgChannelizerNotification::getSampleRate(), FreeDVMod::MsgConfigureChannelizer::getSampleRate(), DSPConfigureAudio::getSampleRate(), FreeDVMod::MsgConfigureFreeDVMod::getSettings(), CWKeyer::MsgConfigureCWKeyer::getSettings(), m_audioSampleRate, m_channelizer, m_fileName, m_fileSize, m_ifstream, m_settings, FreeDVModSettings::m_useReverseAPI, Message::match(), openFileStream(), MessageQueue::push(), seekFileStream(), and webapiReverseSendCWSettings().

Referenced by setSpectrumSampleSink().

{
    if (UpChannelizer::MsgChannelizerNotification::match(cmd))
    {
        UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
        qDebug() << "FreeDVMod::handleMessage: MsgChannelizerNotification";

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

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

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

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

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

        return true;
    }
    else if (MsgConfigureFileSourceName::match(cmd))
    {
        MsgConfigureFileSourceName& conf = (MsgConfigureFileSourceName&) cmd;
        m_fileName = conf.getFileName();
        openFileStream();
        return true;
    }
    else if (MsgConfigureFileSourceSeek::match(cmd))
    {
        MsgConfigureFileSourceSeek& conf = (MsgConfigureFileSourceSeek&) cmd;
        int seekPercentage = conf.getPercentage();
        seekFileStream(seekPercentage);

        return true;
    }
    else if (MsgConfigureFileSourceStreamTiming::match(cmd))
    {
        std::size_t samplesCount;

        if (m_ifstream.eof()) {
            samplesCount = m_fileSize / sizeof(int16_t);
        } else {
            samplesCount = m_ifstream.tellg() / sizeof(int16_t);
        }

        if (getMessageQueueToGUI())
        {
            MsgReportFileSourceStreamTiming *report;
            report = MsgReportFileSourceStreamTiming::create(samplesCount);
            getMessageQueueToGUI()->push(report);
        }

        return true;
    }
    else if (CWKeyer::MsgConfigureCWKeyer::match(cmd))
    {
        const CWKeyer::MsgConfigureCWKeyer& cfg = (CWKeyer::MsgConfigureCWKeyer&) cmd;

        if (m_settings.m_useReverseAPI) {
            webapiReverseSendCWSettings(cfg.getSettings());
        }

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

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

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

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

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levelChanged

void FreeDVMod::levelChanged ( 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 calculateLevel().

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modulateSample()

void FreeDVMod::modulateSample ( )

private

Definition at line 194 of file freedvmod.cpp.

References calculateLevel(), m_audioBufferFill, FreeDVModSettings::m_gaugeInputElseModem, m_modSample, m_settings, and pullAF().

Referenced by pull().

{
    pullAF(m_modSample);
    if (!m_settings.m_gaugeInputElseModem) {
        calculateLevel(m_modSample);
    }
    m_audioBufferFill++;
}

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networkManagerFinished

void FreeDVMod::networkManagerFinished ( QNetworkReply *  reply )

privateslot

Definition at line 1121 of file freedvmod.cpp.

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

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

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

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

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openFileStream()

void FreeDVMod::openFileStream ( )

private

Definition at line 530 of file freedvmod.cpp.

References FreeDVMod::MsgReportFileSourceStreamData::create(), BasebandSampleSource::getMessageQueueToGUI(), m_fileName, m_fileSize, m_ifstream, m_inputSampleRate, m_recordLength, and MessageQueue::push().

Referenced by handleMessage().

{
    if (m_ifstream.is_open()) {
        m_ifstream.close();
    }

    m_ifstream.open(m_fileName.toStdString().c_str(), std::ios::binary | std::ios::ate);
    m_fileSize = m_ifstream.tellg();
    m_ifstream.seekg(0,std::ios_base::beg);

    m_recordLength = m_fileSize / (sizeof(int16_t) * m_inputSampleRate);

    qDebug() << "FreeDVMod::openFileStream: " << m_fileName.toStdString().c_str()
            << " fileSize: " << m_fileSize << "bytes"
            << " length: " << m_recordLength << " seconds";

    if (getMessageQueueToGUI())
    {
        MsgReportFileSourceStreamData *report;
        report = MsgReportFileSourceStreamData::create(m_inputSampleRate, m_recordLength);
        getMessageQueueToGUI()->push(report);
    }
}

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pull()

void FreeDVMod::pull ( Sample &  sample )

virtual

Implements BasebandSampleSource.

Definition at line 142 of file freedvmod.cpp.

References MovingAverageUtil< T, Total, N >::asDouble(), Interpolator::decimate(), Interpolator::interpolate(), m_carrierNco, Sample::m_imag, m_interpolator, m_interpolatorDistance, m_interpolatorDistanceRemain, m_magsq, m_modSample, m_movingAverage, Sample::m_real, m_settingsMutex, modulateSample(), NCOF::nextIQ(), SDR_TX_SCALED, and SDR_TX_SCALEF.

Referenced by setSpectrumSampleSink().

{
    Complex ci;

    m_settingsMutex.lock();

    if (m_interpolatorDistance > 1.0f) // decimate
    {
        modulateSample();

        while (!m_interpolator.decimate(&m_interpolatorDistanceRemain, m_modSample, &ci))
        {
            modulateSample();
        }
    }
    else
    {
        if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, m_modSample, &ci))
        {
            modulateSample();
        }
    }

    m_interpolatorDistanceRemain += m_interpolatorDistance;

    ci *= m_carrierNco.nextIQ(); // shift to carrier frequency
    ci *= 0.891235351562f * SDR_TX_SCALEF; //scaling at -1 dB to account for possible filter overshoot

    m_settingsMutex.unlock();

    double magsq = ci.real() * ci.real() + ci.imag() * ci.imag();
    magsq /= (SDR_TX_SCALED*SDR_TX_SCALED);
    m_movingAverage(magsq);
    m_magsq = m_movingAverage.asDouble();

    sample.m_real = (FixReal) ci.real();
    sample.m_imag = (FixReal) ci.imag();
}

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pullAF()

void FreeDVMod::pullAF ( Complex &  sample )

private

Definition at line 203 of file freedvmod.cpp.

References calculateLevel(), AudioResampler::downSample(), BasebandSampleSink::feed(), FreeDVModSettings::FreeDVModInputAudio, FreeDVModSettings::FreeDVModInputCWTone, FreeDVModSettings::FreeDVModInputFile, FreeDVModSettings::FreeDVModInputNone, FreeDVModSettings::FreeDVModInputTone, CWKeyer::getCWSmoother(), CWSmoother::getFadeSample(), CWKeyer::getSample(), i, m_audioBuffer, m_audioBufferFill, FreeDVModSettings::m_audioMute, m_audioResampler, m_cwKeyer, m_freeDV, FreeDVModSettings::m_gaugeInputElseModem, m_ifstream, m_iModem, FreeDVModSettings::m_modAFInput, m_modOut, m_nNomModemSamples, m_nSpeechSamples, FreeDVModSettings::m_playLoop, m_sampleBuffer, m_sampleSink, m_scaleFactor, m_settings, FreeDVModSettings::m_spanLog2, m_speechIn, m_SSBFilter, m_SSBFilterBuffer, m_SSBFilterBufferIndex, m_sum, m_toneNco, m_undersampleCount, FreeDVModSettings::m_volumeFactor, NCOF::next(), fftfilt::runSSB(), SDR_TX_SCALEF, and NCOF::setPhase().

Referenced by modulateSample().

{
    if (m_settings.m_audioMute)
    {
        sample.real(0.0f);
        sample.imag(0.0f);
        return;
    }

    Complex ci;
    fftfilt::cmplx *filtered;
    int n_out = 0;

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

    if (m_iModem >= m_nNomModemSamples)
    {
        switch (m_settings.m_modAFInput)
        {
        case FreeDVModSettings::FreeDVModInputTone:
            for (int i = 0; i < m_nSpeechSamples; i++)
            {
                m_speechIn[i] = m_toneNco.next() * 32768.0f * m_settings.m_volumeFactor;
                if (m_settings.m_gaugeInputElseModem) {
                    calculateLevel(m_speechIn[i]);
                }
            }
            freedv_tx(m_freeDV, m_modOut, m_speechIn);
            break;
        case FreeDVModSettings::FreeDVModInputFile:
            if (m_iModem >= m_nNomModemSamples)
            {
                if (m_ifstream.is_open())
                {
                    std::fill(m_speechIn, m_speechIn + m_nSpeechSamples, 0);

                    if (m_ifstream.eof())
                    {
                        if (m_settings.m_playLoop)
                        {
                            m_ifstream.clear();
                            m_ifstream.seekg(0, std::ios::beg);
                        }
                    }

                    if (m_ifstream.eof())
                    {
                        std::fill(m_modOut, m_modOut + m_nNomModemSamples, 0);
                    }
                    else
                    {

                        m_ifstream.read(reinterpret_cast<char*>(m_speechIn), sizeof(int16_t) * m_nSpeechSamples);

                        if ((m_settings.m_volumeFactor != 1.0) || m_settings.m_gaugeInputElseModem)
                        {
                            for (int i = 0; i < m_nSpeechSamples; i++)
                            {
                                if (m_settings.m_volumeFactor != 1.0) {
                                    m_speechIn[i] *= m_settings.m_volumeFactor;
                                }
                                if (m_settings.m_gaugeInputElseModem) {
                                    calculateLevel(m_speechIn[i]);
                                }
                            }
                        }

                        freedv_tx(m_freeDV, m_modOut, m_speechIn);
                    }
                }
                else
                {
                    std::fill(m_modOut, m_modOut + m_nNomModemSamples, 0);
                }
            }
            break;
        case FreeDVModSettings::FreeDVModInputAudio:
            for (int i = 0; i < m_nSpeechSamples; i++)
            {
                qint16 audioSample = (m_audioBuffer[m_audioBufferFill].l + m_audioBuffer[m_audioBufferFill].r) * (m_settings.m_volumeFactor / 2.0f);
                m_audioBufferFill++;

                while (!m_audioResampler.downSample(audioSample, m_speechIn[i]))
                {
                    audioSample = (m_audioBuffer[m_audioBufferFill].l + m_audioBuffer[m_audioBufferFill].r) * (m_settings.m_volumeFactor / 2.0f);
                    m_audioBufferFill++;
                }

                if (m_settings.m_gaugeInputElseModem) {
                    calculateLevel(m_speechIn[i]);
                }
            }
            freedv_tx(m_freeDV, m_modOut, m_speechIn);
            break;
        case FreeDVModSettings::FreeDVModInputCWTone:
            for (int i = 0; i < m_nSpeechSamples; i++)
            {
                Real fadeFactor;

                if (m_cwKeyer.getSample())
                {
                    m_cwKeyer.getCWSmoother().getFadeSample(true, fadeFactor);
                    m_speechIn[i] = m_toneNco.next() * 32768.0f * fadeFactor * m_settings.m_volumeFactor;
                }
                else
                {
                    if (m_cwKeyer.getCWSmoother().getFadeSample(false, fadeFactor))
                    {
                        m_speechIn[i] = m_toneNco.next() * 32768.0f * fadeFactor * m_settings.m_volumeFactor;
                    }
                    else
                    {
                        m_speechIn[i] = 0;
                        m_toneNco.setPhase(0);
                    }
                }

                if (m_settings.m_gaugeInputElseModem) {
                    calculateLevel(m_speechIn[i]);
                }
            }
            freedv_tx(m_freeDV, m_modOut, m_speechIn);
            break;
        case FreeDVModSettings::FreeDVModInputNone:
        default:
            std::fill(m_speechIn, m_speechIn + m_nSpeechSamples, 0);
            freedv_tx(m_freeDV, m_modOut, m_speechIn);
            break;
        }

        m_iModem = 0;
    }

    ci.real(m_modOut[m_iModem++] / m_scaleFactor);
    ci.imag(0.0f);

    n_out = m_SSBFilter->runSSB(ci, &filtered, true); // USB

    if (n_out > 0)
    {
        memcpy((void *) m_SSBFilterBuffer, (const void *) filtered, n_out*sizeof(Complex));
        m_SSBFilterBufferIndex = 0;

        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 += filtered[i];

            if (!(m_undersampleCount++ & decim_mask))
            {
                Real avgr = (m_sum.real() / decim) * 0.891235351562f * SDR_TX_SCALEF; //scaling at -1 dB to account for possible filter overshoot
                Real avgi = (m_sum.imag() / decim) * 0.891235351562f * SDR_TX_SCALEF;
                m_sampleBuffer.push_back(Sample(avgr, avgi));
                m_sum.real(0.0);
                m_sum.imag(0.0);
            }
        }

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

        m_sampleBuffer.clear();
    }

    sample = m_SSBFilterBuffer[m_SSBFilterBufferIndex++];
}

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pullAudio()

void FreeDVMod::pullAudio ( int  nbSamples )

virtual

Reimplemented from BasebandSampleSource.

Definition at line 181 of file freedvmod.cpp.

References m_audioBuffer, m_audioBufferFill, m_audioFifo, m_audioSampleRate, m_modemSampleRate, and AudioFifo::read().

Referenced by setSpectrumSampleSink().

{
    unsigned int nbSamplesAudio = nbSamples * ((Real) m_audioSampleRate / (Real) m_modemSampleRate);

    if (nbSamplesAudio > m_audioBuffer.size())
    {
        m_audioBuffer.resize(nbSamplesAudio);
    }

    m_audioFifo.read(reinterpret_cast<quint8*>(&m_audioBuffer[0]), nbSamplesAudio);
    m_audioBufferFill = 0;
}

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seekFileStream()

void FreeDVMod::seekFileStream ( int  seekPercentage )

private

Definition at line 554 of file freedvmod.cpp.

References m_ifstream, m_inputSampleRate, m_recordLength, and m_settingsMutex.

Referenced by handleMessage().

{
    QMutexLocker mutexLocker(&m_settingsMutex);

    if (m_ifstream.is_open())
    {
        int seekPoint = ((m_recordLength * seekPercentage) / 100) * m_inputSampleRate;
        seekPoint *= sizeof(Real);
        m_ifstream.clear();
        m_ifstream.seekg(seekPoint, std::ios::beg);
    }
}

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serialize()

QByteArray FreeDVMod::serialize ( ) const

virtual

Implements ChannelAPI.

Definition at line 815 of file freedvmod.cpp.

References m_settings, and FreeDVModSettings::serialize().

Referenced by getCenterFrequency().

{
    return m_settings.serialize();
}

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setSpectrumSampleSink()

void FreeDVMod::setSpectrumSampleSink ( BasebandSampleSink *  sampleSink )

inline

Definition at line 212 of file freedvmod.h.

References handleMessage(), m_sampleSink, pull(), pullAudio(), start(), and stop().

Referenced by FreeDVModGUI::FreeDVModGUI().

{ m_sampleSink = sampleSink; }

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start()

void FreeDVMod::start ( )

virtual

Implements BasebandSampleSource.

Definition at line 417 of file freedvmod.cpp.

References applyChannelSettings(), AudioFifo::clear(), m_audioFifo, m_basebandSampleRate, FreeDVModSettings::m_inputFrequencyOffset, m_inputFrequencyOffset, m_outputSampleRate, and m_settings.

Referenced by setSpectrumSampleSink().

{
    qDebug() << "FreeDVMod::start: m_outputSampleRate: " << m_outputSampleRate
            << " m_inputFrequencyOffset: " << m_settings.m_inputFrequencyOffset;

    m_audioFifo.clear();
    applyChannelSettings(m_basebandSampleRate, m_outputSampleRate, m_inputFrequencyOffset, true);
}

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stop()

void FreeDVMod::stop ( )

virtual

Implements BasebandSampleSource.

Definition at line 426 of file freedvmod.cpp.

Referenced by setSpectrumSampleSink().

{
}

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webapiFormatChannelReport()

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

private

Definition at line 1007 of file freedvmod.cpp.

References CalcDb::dbPower(), SWGSDRangel::SWGChannelReport::getFreeDvModReport(), getMagSq(), m_audioSampleRate, m_outputSampleRate, SWGSDRangel::SWGFreeDVModReport::setAudioSampleRate(), SWGSDRangel::SWGFreeDVModReport::setChannelPowerDb(), and SWGSDRangel::SWGFreeDVModReport::setChannelSampleRate().

Referenced by webapiReportGet().

{
    response.getFreeDvModReport()->setChannelPowerDb(CalcDb::dbPower(getMagSq()));
    response.getFreeDvModReport()->setAudioSampleRate(m_audioSampleRate);
    response.getFreeDvModReport()->setChannelSampleRate(m_outputSampleRate);
}

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webapiFormatChannelSettings()

void FreeDVMod::webapiFormatChannelSettings ( SWGSDRangel::SWGChannelSettings &  response, const FreeDVModSettings &  settings  )

private

Definition at line 960 of file freedvmod.cpp.

References SWGSDRangel::SWGFreeDVModSettings::getAudioDeviceName(), SWGSDRangel::SWGFreeDVModSettings::getCwKeyer(), SWGSDRangel::SWGChannelSettings::getFreeDvModSettings(), SWGSDRangel::SWGFreeDVModSettings::getReverseApiAddress(), CWKeyer::getSettings(), SWGSDRangel::SWGFreeDVModSettings::getTitle(), FreeDVModSettings::m_audioDeviceName, FreeDVModSettings::m_audioMute, m_cwKeyer, FreeDVModSettings::m_freeDVMode, FreeDVModSettings::m_gaugeInputElseModem, FreeDVModSettings::m_inputFrequencyOffset, FreeDVModSettings::m_modAFInput, FreeDVModSettings::m_playLoop, FreeDVModSettings::m_reverseAPIAddress, FreeDVModSettings::m_reverseAPIChannelIndex, FreeDVModSettings::m_reverseAPIDeviceIndex, FreeDVModSettings::m_reverseAPIPort, FreeDVModSettings::m_rgbColor, FreeDVModSettings::m_spanLog2, FreeDVModSettings::m_title, FreeDVModSettings::m_toneFrequency, FreeDVModSettings::m_useReverseAPI, FreeDVModSettings::m_volumeFactor, SWGSDRangel::SWGFreeDVModSettings::setAudioDeviceName(), SWGSDRangel::SWGFreeDVModSettings::setAudioMute(), SWGSDRangel::SWGFreeDVModSettings::setCwKeyer(), SWGSDRangel::SWGFreeDVModSettings::setFreeDvMode(), SWGSDRangel::SWGFreeDVModSettings::setGaugeInputElseModem(), SWGSDRangel::SWGFreeDVModSettings::setInputFrequencyOffset(), SWGSDRangel::SWGFreeDVModSettings::setModAfInput(), SWGSDRangel::SWGFreeDVModSettings::setPlayLoop(), SWGSDRangel::SWGFreeDVModSettings::setReverseApiAddress(), SWGSDRangel::SWGFreeDVModSettings::setReverseApiChannelIndex(), SWGSDRangel::SWGFreeDVModSettings::setReverseApiDeviceIndex(), SWGSDRangel::SWGFreeDVModSettings::setReverseApiPort(), SWGSDRangel::SWGFreeDVModSettings::setRgbColor(), SWGSDRangel::SWGFreeDVModSettings::setSpanLog2(), SWGSDRangel::SWGFreeDVModSettings::setTitle(), SWGSDRangel::SWGFreeDVModSettings::setToneFrequency(), SWGSDRangel::SWGFreeDVModSettings::setUseReverseApi(), SWGSDRangel::SWGFreeDVModSettings::setVolumeFactor(), and CWKeyer::webapiFormatChannelSettings().

Referenced by webapiSettingsGet(), and webapiSettingsPutPatch().

{
    response.getFreeDvModSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    response.getFreeDvModSettings()->setToneFrequency(settings.m_toneFrequency);
    response.getFreeDvModSettings()->setVolumeFactor(settings.m_volumeFactor);
    response.getFreeDvModSettings()->setSpanLog2(settings.m_spanLog2);
    response.getFreeDvModSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
    response.getFreeDvModSettings()->setPlayLoop(settings.m_playLoop ? 1 : 0);
    response.getFreeDvModSettings()->setRgbColor(settings.m_rgbColor);
    response.getFreeDvModSettings()->setGaugeInputElseModem(settings.m_gaugeInputElseModem ? 1 : 0);

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

    response.getFreeDvModSettings()->setModAfInput((int) settings.m_modAFInput);
    response.getFreeDvModSettings()->setFreeDvMode((int) settings.m_freeDVMode);

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

    if (!response.getFreeDvModSettings()->getCwKeyer()) {
        response.getFreeDvModSettings()->setCwKeyer(new SWGSDRangel::SWGCWKeyerSettings);
    }

    SWGSDRangel::SWGCWKeyerSettings *apiCwKeyerSettings = response.getFreeDvModSettings()->getCwKeyer();
    const CWKeyerSettings& cwKeyerSettings = m_cwKeyer.getSettings();
    m_cwKeyer.webapiFormatChannelSettings(apiCwKeyerSettings, cwKeyerSettings);

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

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

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

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webapiReportGet()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 949 of file freedvmod.cpp.

References SWGSDRangel::SWGChannelReport::getFreeDvModReport(), SWGSDRangel::SWGFreeDVModReport::init(), SWGSDRangel::SWGChannelReport::setFreeDvModReport(), and webapiFormatChannelReport().

Referenced by getStreamCenterFrequency().

{
    (void) errorMessage;
    response.setFreeDvModReport(new SWGSDRangel::SWGFreeDVModReport());
    response.getFreeDvModReport()->init();
    webapiFormatChannelReport(response);
    return 200;
}

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webapiReverseSendCWSettings()

void FreeDVMod::webapiReverseSendCWSettings ( const CWKeyerSettings &  settings )

private

Definition at line 1090 of file freedvmod.cpp.

References SWGSDRangel::SWGChannelSettings::asJson(), SWGSDRangel::SWGFreeDVModSettings::getCwKeyer(), SWGSDRangel::SWGChannelSettings::getFreeDvModSettings(), m_cwKeyer, m_networkManager, m_networkRequest, FreeDVModSettings::m_reverseAPIAddress, FreeDVModSettings::m_reverseAPIChannelIndex, FreeDVModSettings::m_reverseAPIDeviceIndex, FreeDVModSettings::m_reverseAPIPort, m_settings, SWGSDRangel::SWGChannelSettings::setChannelType(), SWGSDRangel::SWGFreeDVModSettings::setCwKeyer(), SWGSDRangel::SWGChannelSettings::setDirection(), SWGSDRangel::SWGChannelSettings::setFreeDvModSettings(), and CWKeyer::webapiFormatChannelSettings().

Referenced by handleMessage().

{
    SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
    swgChannelSettings->setDirection(1); // single source (Tx)
    swgChannelSettings->setChannelType(new QString("FreeDVMod"));
    swgChannelSettings->setFreeDvModSettings(new SWGSDRangel::SWGFreeDVModSettings());
    SWGSDRangel::SWGFreeDVModSettings *swgFreeDVModSettings = swgChannelSettings->getFreeDvModSettings();

    swgFreeDVModSettings->setCwKeyer(new SWGSDRangel::SWGCWKeyerSettings());
    SWGSDRangel::SWGCWKeyerSettings *apiCwKeyerSettings = swgFreeDVModSettings->getCwKeyer();
    m_cwKeyer.webapiFormatChannelSettings(apiCwKeyerSettings, cwKeyerSettings);

    QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/settings")
            .arg(m_settings.m_reverseAPIAddress)
            .arg(m_settings.m_reverseAPIPort)
            .arg(m_settings.m_reverseAPIDeviceIndex)
            .arg(m_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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webapiReverseSendSettings()

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

private

Definition at line 1014 of file freedvmod.cpp.

References SWGSDRangel::SWGChannelSettings::asJson(), SWGSDRangel::SWGFreeDVModSettings::getCwKeyer(), ChannelAPI::getDeviceSetIndex(), SWGSDRangel::SWGChannelSettings::getFreeDvModSettings(), ChannelAPI::getIndexInDeviceSet(), CWKeyer::getSettings(), FreeDVModSettings::m_audioDeviceName, FreeDVModSettings::m_audioMute, m_cwKeyer, FreeDVModSettings::m_freeDVMode, FreeDVModSettings::m_gaugeInputElseModem, FreeDVModSettings::m_inputFrequencyOffset, FreeDVModSettings::m_modAFInput, m_networkManager, m_networkRequest, FreeDVModSettings::m_playLoop, FreeDVModSettings::m_reverseAPIAddress, FreeDVModSettings::m_reverseAPIChannelIndex, FreeDVModSettings::m_reverseAPIDeviceIndex, FreeDVModSettings::m_reverseAPIPort, FreeDVModSettings::m_rgbColor, FreeDVModSettings::m_spanLog2, FreeDVModSettings::m_title, FreeDVModSettings::m_toneFrequency, FreeDVModSettings::m_volumeFactor, SWGSDRangel::SWGFreeDVModSettings::setAudioDeviceName(), SWGSDRangel::SWGFreeDVModSettings::setAudioMute(), SWGSDRangel::SWGChannelSettings::setChannelType(), SWGSDRangel::SWGFreeDVModSettings::setCwKeyer(), SWGSDRangel::SWGChannelSettings::setDirection(), SWGSDRangel::SWGFreeDVModSettings::setFreeDvMode(), SWGSDRangel::SWGChannelSettings::setFreeDvModSettings(), SWGSDRangel::SWGFreeDVModSettings::setInputFrequencyOffset(), SWGSDRangel::SWGFreeDVModSettings::setModAfInput(), SWGSDRangel::SWGChannelSettings::setOriginatorChannelIndex(), SWGSDRangel::SWGChannelSettings::setOriginatorDeviceSetIndex(), SWGSDRangel::SWGFreeDVModSettings::setPlayLoop(), SWGSDRangel::SWGFreeDVModSettings::setRgbColor(), SWGSDRangel::SWGFreeDVModSettings::setSpanLog2(), SWGSDRangel::SWGFreeDVModSettings::setTitle(), SWGSDRangel::SWGFreeDVModSettings::setToneFrequency(), SWGSDRangel::SWGFreeDVModSettings::setVolumeFactor(), and CWKeyer::webapiFormatChannelSettings().

Referenced by applySettings().

{
    SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
    swgChannelSettings->setDirection(1); // single source (Tx)
    swgChannelSettings->setOriginatorChannelIndex(getIndexInDeviceSet());
    swgChannelSettings->setOriginatorDeviceSetIndex(getDeviceSetIndex());
    swgChannelSettings->setChannelType(new QString("FreeDVMod"));
    swgChannelSettings->setFreeDvModSettings(new SWGSDRangel::SWGFreeDVModSettings());
    SWGSDRangel::SWGFreeDVModSettings *swgFreeDVModSettings = swgChannelSettings->getFreeDvModSettings();

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

    if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
        swgFreeDVModSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    }
    if (channelSettingsKeys.contains("toneFrequency") || force) {
        swgFreeDVModSettings->setToneFrequency(settings.m_toneFrequency);
    }
    if (channelSettingsKeys.contains("volumeFactor") || force) {
        swgFreeDVModSettings->setVolumeFactor(settings.m_volumeFactor);
    }
    if (channelSettingsKeys.contains("spanLog2") || force) {
        swgFreeDVModSettings->setSpanLog2(settings.m_spanLog2);
    }
    if (channelSettingsKeys.contains("audioMute") || force) {
        swgFreeDVModSettings->setAudioMute(settings.m_audioMute ? 1 : 0);
    }
    if (channelSettingsKeys.contains("playLoop") || force) {
        swgFreeDVModSettings->setPlayLoop(settings.m_playLoop ? 1 : 0);
    }
    if (channelSettingsKeys.contains("gaugeInputElseModem") || force) {
        swgFreeDVModSettings->setPlayLoop(settings.m_gaugeInputElseModem ? 1 : 0);
    }
    if (channelSettingsKeys.contains("rgbColor") || force) {
        swgFreeDVModSettings->setRgbColor(settings.m_rgbColor);
    }
    if (channelSettingsKeys.contains("title") || force) {
        swgFreeDVModSettings->setTitle(new QString(settings.m_title));
    }
    if (channelSettingsKeys.contains("freeDVMode") || force) {
        swgFreeDVModSettings->setFreeDvMode((int) settings.m_freeDVMode);
    }
    if (channelSettingsKeys.contains("modAFInput") || force) {
        swgFreeDVModSettings->setModAfInput((int) settings.m_modAFInput);
    }
    if (channelSettingsKeys.contains("audioDeviceName") || force) {
        swgFreeDVModSettings->setAudioDeviceName(new QString(settings.m_audioDeviceName));
    }

    if (force)
    {
        const CWKeyerSettings& cwKeyerSettings = m_cwKeyer.getSettings();
        swgFreeDVModSettings->setCwKeyer(new SWGSDRangel::SWGCWKeyerSettings());
        SWGSDRangel::SWGCWKeyerSettings *apiCwKeyerSettings = swgFreeDVModSettings->getCwKeyer();
        m_cwKeyer.webapiFormatChannelSettings(apiCwKeyerSettings, cwKeyerSettings);
    }

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

virtual

Reimplemented from ChannelAPI.

Definition at line 837 of file freedvmod.cpp.

References SWGSDRangel::SWGChannelSettings::getFreeDvModSettings(), SWGSDRangel::SWGFreeDVModSettings::init(), m_settings, SWGSDRangel::SWGChannelSettings::setFreeDvModSettings(), and webapiFormatChannelSettings().

Referenced by getStreamCenterFrequency().

{
    (void) errorMessage;
    response.setFreeDvModSettings(new SWGSDRangel::SWGFreeDVModSettings());
    response.getFreeDvModSettings()->init();
    webapiFormatChannelSettings(response, m_settings);
    return 200;
}

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webapiSettingsPutPatch()

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

virtual

Reimplemented from ChannelAPI.

Definition at line 848 of file freedvmod.cpp.

References FreeDVMod::MsgConfigureFreeDVMod::create(), CWKeyer::MsgConfigureCWKeyer::create(), FreeDVMod::MsgConfigureChannelizer::create(), SWGSDRangel::SWGFreeDVModSettings::getAudioDeviceName(), SWGSDRangel::SWGFreeDVModSettings::getAudioMute(), SWGSDRangel::SWGFreeDVModSettings::getCwKeyer(), SWGSDRangel::SWGFreeDVModSettings::getFreeDvMode(), SWGSDRangel::SWGChannelSettings::getFreeDvModSettings(), SWGSDRangel::SWGFreeDVModSettings::getGaugeInputElseModem(), SWGSDRangel::SWGFreeDVModSettings::getInputFrequencyOffset(), CWKeyer::getInputMessageQueue(), SWGSDRangel::SWGFreeDVModSettings::getModAfInput(), SWGSDRangel::SWGFreeDVModSettings::getPlayLoop(), SWGSDRangel::SWGFreeDVModSettings::getReverseApiAddress(), SWGSDRangel::SWGFreeDVModSettings::getReverseApiChannelIndex(), SWGSDRangel::SWGFreeDVModSettings::getReverseApiDeviceIndex(), SWGSDRangel::SWGFreeDVModSettings::getReverseApiPort(), SWGSDRangel::SWGFreeDVModSettings::getRgbColor(), CWKeyer::getSettings(), SWGSDRangel::SWGFreeDVModSettings::getSpanLog2(), SWGSDRangel::SWGFreeDVModSettings::getTitle(), SWGSDRangel::SWGFreeDVModSettings::getToneFrequency(), SWGSDRangel::SWGFreeDVModSettings::getUseReverseApi(), SWGSDRangel::SWGFreeDVModSettings::getVolumeFactor(), FreeDVModSettings::m_audioDeviceName, FreeDVModSettings::m_audioMute, m_audioSampleRate, m_cwKeyer, FreeDVModSettings::m_freeDVMode, FreeDVModSettings::m_gaugeInputElseModem, BasebandSampleSource::m_guiMessageQueue, FreeDVModSettings::m_inputFrequencyOffset, BasebandSampleSource::m_inputMessageQueue, FreeDVModSettings::m_modAFInput, FreeDVModSettings::m_playLoop, FreeDVModSettings::m_reverseAPIAddress, FreeDVModSettings::m_reverseAPIChannelIndex, FreeDVModSettings::m_reverseAPIDeviceIndex, FreeDVModSettings::m_reverseAPIPort, FreeDVModSettings::m_rgbColor, m_settings, FreeDVModSettings::m_spanLog2, FreeDVModSettings::m_title, FreeDVModSettings::m_toneFrequency, FreeDVModSettings::m_useReverseAPI, FreeDVModSettings::m_volumeFactor, MessageQueue::push(), webapiFormatChannelSettings(), and CWKeyer::webapiSettingsPutPatch().

Referenced by getStreamCenterFrequency().

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

    if (channelSettingsKeys.contains("inputFrequencyOffset"))
    {
        settings.m_inputFrequencyOffset = response.getFreeDvModSettings()->getInputFrequencyOffset();
        frequencyOffsetChanged = true;
    }
    if (channelSettingsKeys.contains("toneFrequency")) {
        settings.m_toneFrequency = response.getFreeDvModSettings()->getToneFrequency();
    }
    if (channelSettingsKeys.contains("volumeFactor")) {
        settings.m_volumeFactor = response.getFreeDvModSettings()->getVolumeFactor();
    }
    if (channelSettingsKeys.contains("spanLog2")) {
        settings.m_spanLog2 = response.getFreeDvModSettings()->getSpanLog2();
    }
    if (channelSettingsKeys.contains("audioMute")) {
        settings.m_audioMute = response.getFreeDvModSettings()->getAudioMute() != 0;
    }
    if (channelSettingsKeys.contains("playLoop")) {
        settings.m_playLoop = response.getFreeDvModSettings()->getPlayLoop() != 0;
    }
    if (channelSettingsKeys.contains("gaugeInputElseModem")) {
        settings.m_gaugeInputElseModem = response.getFreeDvModSettings()->getGaugeInputElseModem() != 0;
    }
    if (channelSettingsKeys.contains("rgbColor")) {
        settings.m_rgbColor = response.getFreeDvModSettings()->getRgbColor();
    }
    if (channelSettingsKeys.contains("title")) {
        settings.m_title = *response.getFreeDvModSettings()->getTitle();
    }
    if (channelSettingsKeys.contains("freeDVMode")) {
        settings.m_freeDVMode = (FreeDVModSettings::FreeDVMode) response.getFreeDvModSettings()->getFreeDvMode();
    }
    if (channelSettingsKeys.contains("modAFInput")) {
        settings.m_modAFInput = (FreeDVModSettings::FreeDVModInputAF) response.getFreeDvModSettings()->getModAfInput();
    }
    if (channelSettingsKeys.contains("audioDeviceName")) {
        settings.m_audioDeviceName = *response.getFreeDvModSettings()->getAudioDeviceName();
    }
    if (channelSettingsKeys.contains("useReverseAPI")) {
        settings.m_useReverseAPI = response.getFreeDvModSettings()->getUseReverseApi() != 0;
    }
    if (channelSettingsKeys.contains("reverseAPIAddress")) {
        settings.m_reverseAPIAddress = *response.getFreeDvModSettings()->getReverseApiAddress();
    }
    if (channelSettingsKeys.contains("reverseAPIPort")) {
        settings.m_reverseAPIPort = response.getFreeDvModSettings()->getReverseApiPort();
    }
    if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
        settings.m_reverseAPIDeviceIndex = response.getFreeDvModSettings()->getReverseApiDeviceIndex();
    }
    if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
        settings.m_reverseAPIChannelIndex = response.getFreeDvModSettings()->getReverseApiChannelIndex();
    }

    if (channelSettingsKeys.contains("cwKeyer"))
    {
        SWGSDRangel::SWGCWKeyerSettings *apiCwKeyerSettings = response.getFreeDvModSettings()->getCwKeyer();
        CWKeyerSettings cwKeyerSettings = m_cwKeyer.getSettings();
        m_cwKeyer.webapiSettingsPutPatch(channelSettingsKeys, cwKeyerSettings, apiCwKeyerSettings);

        CWKeyer::MsgConfigureCWKeyer *msgCwKeyer = CWKeyer::MsgConfigureCWKeyer::create(cwKeyerSettings, force);
        m_cwKeyer.getInputMessageQueue()->push(msgCwKeyer);

        if (m_guiMessageQueue) // forward to GUI if any
        {
            CWKeyer::MsgConfigureCWKeyer *msgCwKeyerToGUI = CWKeyer::MsgConfigureCWKeyer::create(cwKeyerSettings, force);
            m_guiMessageQueue->push(msgCwKeyerToGUI);
        }
    }

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

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

    if (m_guiMessageQueue) // forward to GUI if any
    {
        MsgConfigureFreeDVMod *msgToGUI = MsgConfigureFreeDVMod::create(settings, force);
        m_guiMessageQueue->push(msgToGUI);
    }

    webapiFormatChannelSettings(response, settings);

    return 200;
}

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Member Data Documentation

m_audioBuffer

AudioVector FreeDVMod::m_audioBuffer

private

Definition at line 313 of file freedvmod.h.

Referenced by FreeDVMod(), pullAF(), and pullAudio().

m_audioBufferFill

uint FreeDVMod::m_audioBufferFill

private

Definition at line 314 of file freedvmod.h.

Referenced by FreeDVMod(), modulateSample(), pullAF(), and pullAudio().

m_audioFifo

AudioFifo FreeDVMod::m_audioFifo

private

Definition at line 315 of file freedvmod.h.

Referenced by applySettings(), FreeDVMod(), pullAudio(), start(), and ~FreeDVMod().

m_audioResampler

AudioResampler FreeDVMod::m_audioResampler

private

Definition at line 341 of file freedvmod.h.

Referenced by applyAudioSampleRate(), and pullAF().

m_audioSampleRate

quint32 FreeDVMod::m_audioSampleRate

private

Definition at line 312 of file freedvmod.h.

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

m_basebandSampleRate

int FreeDVMod::m_basebandSampleRate

private

Definition at line 282 of file freedvmod.h.

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

m_carrierNco

NCOF FreeDVMod::m_carrierNco

private

Definition at line 290 of file freedvmod.h.

Referenced by applyChannelSettings(), and pull().

m_channelId

const QString FreeDVMod::m_channelId = "FreeDVMod"

static

Definition at line 260 of file freedvmod.h.

Referenced by FreeDVMod(), and FreeDVModPlugin::initPlugin().

m_channelIdURI

const QString FreeDVMod::m_channelIdURI = "sdrangel.channeltx.freedvmod"

static

Definition at line 259 of file freedvmod.h.

Referenced by FreeDVModGUI::FreeDVModGUI(), and FreeDVModPlugin::initPlugin().

m_channelizer

UpChannelizer* FreeDVMod::m_channelizer

private

Definition at line 280 of file freedvmod.h.

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

m_cwKeyer

CWKeyer FreeDVMod::m_cwKeyer

private

Definition at line 328 of file freedvmod.h.

Referenced by FreeDVMod(), getCWKeyer(), pullAF(), webapiFormatChannelSettings(), webapiReverseSendCWSettings(), webapiReverseSendSettings(), and webapiSettingsPutPatch().

m_deviceAPI

DeviceAPI* FreeDVMod::m_deviceAPI

private

Definition at line 278 of file freedvmod.h.

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

m_fileName

QString FreeDVMod::m_fileName

private

Definition at line 320 of file freedvmod.h.

Referenced by FreeDVMod::MsgConfigureFileSourceName::getFileName(), handleMessage(), and openFileStream().

m_fileSize

quint64 FreeDVMod::m_fileSize

private

raw file size (bytes)

Definition at line 321 of file freedvmod.h.

Referenced by handleMessage(), and openFileStream().

m_freeDV

struct freedv* FreeDVMod::m_freeDV

private

Definition at line 333 of file freedvmod.h.

Referenced by applyFreeDVMode(), pullAF(), and ~FreeDVMod().

m_hiCutoff

Real FreeDVMod::m_hiCutoff

private

Definition at line 287 of file freedvmod.h.

Referenced by applyChannelSettings(), applyFreeDVMode(), FreeDVMod(), and getHiCutoff().

m_ifstream

std::ifstream FreeDVMod::m_ifstream

private

Definition at line 319 of file freedvmod.h.

Referenced by handleMessage(), openFileStream(), pullAF(), and seekFileStream().

m_iModem

int FreeDVMod::m_iModem

private

Definition at line 337 of file freedvmod.h.

Referenced by applyFreeDVMode(), and pullAF().

m_inputFrequencyOffset

int FreeDVMod::m_inputFrequencyOffset

private

Definition at line 285 of file freedvmod.h.

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

m_inputSampleRate

int FreeDVMod::m_inputSampleRate

private

speech (input) sample rate (fixed 8000 S/s)

Definition at line 323 of file freedvmod.h.

Referenced by applyAudioSampleRate(), applySettings(), FreeDVMod(), openFileStream(), and seekFileStream().

m_interpolator

Interpolator FreeDVMod::m_interpolator

private

Definition at line 293 of file freedvmod.h.

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

m_interpolatorConsumed

bool FreeDVMod::m_interpolatorConsumed

private

Definition at line 296 of file freedvmod.h.

Referenced by applyChannelSettings(), and applyFreeDVMode().

m_interpolatorDistance

Real FreeDVMod::m_interpolatorDistance

private

Definition at line 294 of file freedvmod.h.

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

m_interpolatorDistanceRemain

Real FreeDVMod::m_interpolatorDistanceRemain

private

Definition at line 295 of file freedvmod.h.

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

m_iSpeech

int FreeDVMod::m_iSpeech

private

Definition at line 336 of file freedvmod.h.

Referenced by applyFreeDVMode().

m_levelCalcCount

quint32 FreeDVMod::m_levelCalcCount

private

Definition at line 325 of file freedvmod.h.

Referenced by calculateLevel().

m_levelNbSamples

const int FreeDVMod::m_levelNbSamples = 80

staticprivate

Definition at line 343 of file freedvmod.h.

Referenced by calculateLevel().

m_levelSum

Real FreeDVMod::m_levelSum

private

Definition at line 327 of file freedvmod.h.

Referenced by calculateLevel().

m_lowCutoff

Real FreeDVMod::m_lowCutoff

private

Definition at line 286 of file freedvmod.h.

Referenced by applyFreeDVMode(), FreeDVMod(), and getLowCutoff().

m_magsq

double FreeDVMod::m_magsq

private

Definition at line 309 of file freedvmod.h.

Referenced by FreeDVMod(), getMagSq(), and pull().

m_modemSampleRate

int FreeDVMod::m_modemSampleRate

private

Definition at line 284 of file freedvmod.h.

Referenced by applyChannelSettings(), applyFreeDVMode(), getModemSampleRate(), and pullAudio().

m_modOut

int16_t* FreeDVMod::m_modOut

private

Definition at line 339 of file freedvmod.h.

Referenced by applyFreeDVMode(), and pullAF().

m_modSample

Complex FreeDVMod::m_modSample

private

Definition at line 292 of file freedvmod.h.

Referenced by modulateSample(), and pull().

m_movingAverage

MovingAverageUtil<double, double, 16> FreeDVMod::m_movingAverage

private

Definition at line 310 of file freedvmod.h.

Referenced by pull().

m_networkManager

QNetworkAccessManager* FreeDVMod::m_networkManager

private

Definition at line 330 of file freedvmod.h.

Referenced by FreeDVMod(), webapiReverseSendCWSettings(), webapiReverseSendSettings(), and ~FreeDVMod().

m_networkRequest

QNetworkRequest FreeDVMod::m_networkRequest

private

Definition at line 331 of file freedvmod.h.

Referenced by webapiReverseSendCWSettings(), and webapiReverseSendSettings().

m_nNomModemSamples

int FreeDVMod::m_nNomModemSamples

private

Definition at line 335 of file freedvmod.h.

Referenced by applyFreeDVMode(), and pullAF().

m_nSpeechSamples

int FreeDVMod::m_nSpeechSamples

private

Definition at line 334 of file freedvmod.h.

Referenced by applyFreeDVMode(), and pullAF().

m_outputSampleRate

int FreeDVMod::m_outputSampleRate

private

Definition at line 283 of file freedvmod.h.

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

m_peakLevel

Real FreeDVMod::m_peakLevel

private

Definition at line 326 of file freedvmod.h.

Referenced by calculateLevel().

m_recordLength

quint32 FreeDVMod::m_recordLength

private

record length in seconds computed from file size

Definition at line 322 of file freedvmod.h.

Referenced by FreeDVMod::MsgReportFileSourceStreamData::getRecordLength(), openFileStream(), and seekFileStream().

m_sampleBuffer

SampleVector FreeDVMod::m_sampleBuffer

private

Definition at line 303 of file freedvmod.h.

Referenced by pullAF().

m_sampleSink

BasebandSampleSink* FreeDVMod::m_sampleSink

private

Definition at line 302 of file freedvmod.h.

Referenced by pullAF(), and setSpectrumSampleSink().

m_scaleFactor

float FreeDVMod::m_scaleFactor

private

divide by this amount to scale from int16 to float in [-1.0, 1.0] interval

Definition at line 340 of file freedvmod.h.

Referenced by applyFreeDVMode(), and pullAF().

m_settings

FreeDVModSettings FreeDVMod::m_settings

private

Definition at line 288 of file freedvmod.h.

Referenced by applyFreeDVMode(), applySettings(), deserialize(), FreeDVMod(), handleMessage(), modulateSample(), pullAF(), serialize(), start(), webapiReverseSendCWSettings(), webapiSettingsGet(), and webapiSettingsPutPatch().

m_settingsMutex

QMutex FreeDVMod::m_settingsMutex

private

Definition at line 317 of file freedvmod.h.

Referenced by applyAudioSampleRate(), applyChannelSettings(), applyFreeDVMode(), applySettings(), pull(), and seekFileStream().

m_speechIn

int16_t* FreeDVMod::m_speechIn

private

Definition at line 338 of file freedvmod.h.

Referenced by applyFreeDVMode(), and pullAF().

m_ssbFftLen

const int FreeDVMod::m_ssbFftLen = 1024

staticprivate

Definition at line 300 of file freedvmod.h.

Referenced by FreeDVMod().

m_SSBFilter

fftfilt* FreeDVMod::m_SSBFilter

private

Definition at line 297 of file freedvmod.h.

Referenced by applyFreeDVMode(), FreeDVMod(), pullAF(), and ~FreeDVMod().

m_SSBFilterBuffer

Complex* FreeDVMod::m_SSBFilterBuffer

private

Definition at line 298 of file freedvmod.h.

Referenced by FreeDVMod(), pullAF(), and ~FreeDVMod().

m_SSBFilterBufferIndex

int FreeDVMod::m_SSBFilterBufferIndex

private

Definition at line 299 of file freedvmod.h.

Referenced by pullAF().

m_sum

fftfilt::cmplx FreeDVMod::m_sum

private

Definition at line 305 of file freedvmod.h.

Referenced by FreeDVMod(), and pullAF().

m_sumCount

int FreeDVMod::m_sumCount

private

Definition at line 307 of file freedvmod.h.

Referenced by FreeDVMod().

m_threadedChannelizer

ThreadedBasebandSampleSource* FreeDVMod::m_threadedChannelizer

private

Definition at line 279 of file freedvmod.h.

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

m_toneNco

NCOF FreeDVMod::m_toneNco

private

Definition at line 291 of file freedvmod.h.

Referenced by applySettings(), FreeDVMod(), and pullAF().

m_undersampleCount

int FreeDVMod::m_undersampleCount

private

Definition at line 306 of file freedvmod.h.

Referenced by FreeDVMod(), and pullAF().

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

• plugins/channeltx/modfreedv/freedvmod.h
• plugins/channeltx/modfreedv/freedvmod.cpp