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sdrangel/plugins/channeltx/modfreedv/freedvmod.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "freedvmod.h"
#include <QTime>
#include <QDebug>
#include <QMutexLocker>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include <stdio.h>
#include <complex.h>
#include <algorithm>
#include "libfreedv.h"
#include "SWGChannelSettings.h"
#include "SWGChannelReport.h"
#include "SWGFreeDVModReport.h"
#include "dsp/upchannelizer.h"
#include "dsp/dspengine.h"
#include "dsp/threadedbasebandsamplesource.h"
#include "dsp/dspcommands.h"
#include "device/devicesinkapi.h"
#include "util/db.h"
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgConfigureFreeDVMod, Message)
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgConfigureChannelizer, Message)
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgConfigureFileSourceName, Message)
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgConfigureFileSourceSeek, Message)
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgConfigureFileSourceStreamTiming, Message)
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgReportFileSourceStreamData, Message)
MESSAGE_CLASS_DEFINITION(FreeDVMod::MsgReportFileSourceStreamTiming, Message)
const QString FreeDVMod::m_channelIdURI = "sdrangel.channeltx.freedvmod";
const QString FreeDVMod::m_channelId = "FreeDVMod";
const int FreeDVMod::m_levelNbSamples = 80; // every 10ms
const int FreeDVMod::m_ssbFftLen = 1024;
FreeDVMod::FreeDVMod(DeviceSinkAPI *deviceAPI) :
ChannelSourceAPI(m_channelIdURI),
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);
// CW keyer
m_cwKeyer.setSampleRate(m_inputSampleRate);
m_cwKeyer.setWPM(13);
m_cwKeyer.setMode(CWKeyerSettings::CWNone);
m_channelizer = new UpChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
m_deviceAPI->addThreadedSource(m_threadedChannelizer);
m_deviceAPI->addChannelAPI(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*)));
}
FreeDVMod::~FreeDVMod()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSource(&m_audioFifo);
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSource(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
delete m_SSBFilter;
delete[] m_SSBFilterBuffer;
if (m_freeDV) {
FreeDV::freedv_close(m_freeDV);
}
}
void FreeDVMod::pull(Sample& sample)
{
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();
}
void FreeDVMod::pullAudio(int nbSamples)
{
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;
}
void FreeDVMod::modulateSample()
{
pullAF(m_modSample);
if (!m_settings.m_gaugeInputElseModem) {
calculateLevel(m_modSample);
}
m_audioBufferFill++;
}
void FreeDVMod::pullAF(Complex& sample)
{
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::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::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::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::freedv_tx(m_freeDV, m_modOut, m_speechIn);
break;
case FreeDVModSettings::FreeDVModInputNone:
default:
std::fill(m_speechIn, m_speechIn + m_nSpeechSamples, 0);
FreeDV::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++];
}
void FreeDVMod::calculateLevel(Complex& sample)
{
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;
}
}
void FreeDVMod::calculateLevel(qint16& sample)
{
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;
}
}
void FreeDVMod::start()
{
qDebug() << "FreeDVMod::start: m_outputSampleRate: " << m_outputSampleRate
<< " m_inputFrequencyOffset: " << m_settings.m_inputFrequencyOffset;
m_audioFifo.clear();
applyChannelSettings(m_basebandSampleRate, m_outputSampleRate, m_inputFrequencyOffset, true);
}
void FreeDVMod::stop()
{
}
bool FreeDVMod::handleMessage(const Message& cmd)
{
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;
}
}
void FreeDVMod::openFileStream()
{
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);
}
}
void FreeDVMod::seekFileStream(int seekPercentage)
{
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);
}
}
void FreeDVMod::applyAudioSampleRate(int sampleRate)
{
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;
}
void FreeDVMod::applyChannelSettings(int basebandSampleRate, int outputSampleRate, int inputFrequencyOffset, bool force)
{
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;
}
void FreeDVMod::applyFreeDVMode(FreeDVModSettings::FreeDVMode mode)
{
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);
getMessageQueueToGUI()->push(cfg);
}
}
// FreeDV object
if (m_freeDV) {
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::freedv_advanced adv;
adv.interleave_frames = 1;
m_freeDV = FreeDV::freedv_open_advanced(fdv_mode, &adv);
}
else
{
m_freeDV = FreeDV::freedv_open(fdv_mode);
}
if (m_freeDV)
{
FreeDV::freedv_set_test_frames(m_freeDV, 0);
FreeDV::freedv_set_snr_squelch_thresh(m_freeDV, -100.0);
FreeDV::freedv_set_squelch_en(m_freeDV, 1);
FreeDV::freedv_set_clip(m_freeDV, 0);
FreeDV::freedv_set_tx_bpf(m_freeDV, 1);
FreeDV::freedv_set_ext_vco(m_freeDV, 0);
FreeDV::freedv_set_callback_txt(m_freeDV, nullptr, nullptr, nullptr);
FreeDV::freedv_set_callback_protocol(m_freeDV, nullptr, nullptr, nullptr);
FreeDV::freedv_set_callback_data(m_freeDV, nullptr, nullptr, nullptr);
int nSpeechSamples = FreeDV::freedv_get_n_speech_samples(m_freeDV);
int nNomModemSamples = FreeDV::freedv_get_n_nom_modem_samples(m_freeDV);
int Fs = FreeDV::freedv_get_modem_sample_rate(m_freeDV);
int Rs = FreeDV::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();
}
void FreeDVMod::applySettings(const FreeDVModSettings& settings, bool force)
{
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;
}
QByteArray FreeDVMod::serialize() const
{
return m_settings.serialize();
}
bool FreeDVMod::deserialize(const QByteArray& data)
{
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;
}
}
int FreeDVMod::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
response.setFreeDvModSettings(new SWGSDRangel::SWGFreeDVModSettings());
response.getFreeDvModSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int FreeDVMod::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(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();
if (channelSettingsKeys.contains("cwKeyer.loop")) {
cwKeyerSettings.m_loop = apiCwKeyerSettings->getLoop() != 0;
}
if (channelSettingsKeys.contains("cwKeyer.mode")) {
cwKeyerSettings.m_mode = (CWKeyerSettings::CWMode) apiCwKeyerSettings->getMode();
}
if (channelSettingsKeys.contains("cwKeyer.text")) {
cwKeyerSettings.m_text = *apiCwKeyerSettings->getText();
}
if (channelSettingsKeys.contains("cwKeyer.sampleRate")) {
cwKeyerSettings.m_sampleRate = apiCwKeyerSettings->getSampleRate();
}
if (channelSettingsKeys.contains("cwKeyer.wpm")) {
cwKeyerSettings.m_wpm = apiCwKeyerSettings->getWpm();
}
m_cwKeyer.setLoop(cwKeyerSettings.m_loop);
m_cwKeyer.setMode(cwKeyerSettings.m_mode);
//m_cwKeyer.setSampleRate(cwKeyerSettings.m_sampleRate);
m_cwKeyer.setText(cwKeyerSettings.m_text);
m_cwKeyer.setWPM(cwKeyerSettings.m_wpm);
if (m_guiMessageQueue) // forward to GUI if any
{
CWKeyer::MsgConfigureCWKeyer *msgCwKeyer = CWKeyer::MsgConfigureCWKeyer::create(cwKeyerSettings, force);
m_guiMessageQueue->push(msgCwKeyer);
}
}
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;
}
int FreeDVMod::webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage)
{
(void) errorMessage;
response.setFreeDvModReport(new SWGSDRangel::SWGFreeDVModReport());
response.getFreeDvModReport()->init();
webapiFormatChannelReport(response);
return 200;
}
void FreeDVMod::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FreeDVModSettings& settings)
{
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();
apiCwKeyerSettings->setLoop(cwKeyerSettings.m_loop ? 1 : 0);
apiCwKeyerSettings->setMode((int) cwKeyerSettings.m_mode);
apiCwKeyerSettings->setSampleRate(cwKeyerSettings.m_sampleRate);
if (apiCwKeyerSettings->getText()) {
*apiCwKeyerSettings->getText() = cwKeyerSettings.m_text;
} else {
apiCwKeyerSettings->setText(new QString(cwKeyerSettings.m_text));
}
apiCwKeyerSettings->setWpm(cwKeyerSettings.m_wpm);
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);
}
void FreeDVMod::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
response.getFreeDvModReport()->setChannelPowerDb(CalcDb::dbPower(getMagSq()));
response.getFreeDvModReport()->setAudioSampleRate(m_audioSampleRate);
response.getFreeDvModReport()->setChannelSampleRate(m_outputSampleRate);
}
void FreeDVMod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreeDVModSettings& settings, bool force)
{
SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
swgChannelSettings->setTx(1);
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();
apiCwKeyerSettings->setLoop(cwKeyerSettings.m_loop ? 1 : 0);
apiCwKeyerSettings->setMode(cwKeyerSettings.m_mode);
apiCwKeyerSettings->setSampleRate(cwKeyerSettings.m_sampleRate);
apiCwKeyerSettings->setText(new QString(cwKeyerSettings.m_text));
apiCwKeyerSettings->setWpm(cwKeyerSettings.m_wpm);
}
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;
}
void FreeDVMod::webapiReverseSendCWSettings(const CWKeyerSettings& cwKeyerSettings)
{
SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
swgChannelSettings->setTx(1);
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();
apiCwKeyerSettings->setLoop(cwKeyerSettings.m_loop ? 1 : 0);
apiCwKeyerSettings->setMode(cwKeyerSettings.m_mode);
apiCwKeyerSettings->setSampleRate(cwKeyerSettings.m_sampleRate);
apiCwKeyerSettings->setText(new QString(cwKeyerSettings.m_text));
apiCwKeyerSettings->setWpm(cwKeyerSettings.m_wpm);
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;
}
void FreeDVMod::networkManagerFinished(QNetworkReply *reply)
{
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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