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mirror of https://github.com/f4exb/sdrangel.git synced 2024-11-26 17:58:43 -05:00

FreeDV demodulator: created as a copy of SSB demod

This commit is contained in:
f4exb 2019-02-25 00:13:57 +01:00
parent cc4604f6d8
commit 23c7a9d359
12 changed files with 3462 additions and 1 deletions

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@ -30,6 +30,11 @@ if(CM256CC_FOUND)
add_subdirectory(remotesink)
endif(CM256CC_FOUND)
find_package(Codec2)
if (CODEC2_FOUND)
add_subdirectory(demodfreedv)
endif(CODEC2_FOUND)
if (BUILD_DEBIAN)
add_subdirectory(demoddsd)
add_subdirectory(remotesink)

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@ -0,0 +1,49 @@
project(demodfreedv)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(freedv_SOURCES
freedvdemod.cpp
freedvdemodgui.cpp
freedvdemodsettings.cpp
freedvplugin.cpp
)
set(freedv_HEADERS
freedvdemod.h
freedvdemodgui.h
freedvdemodsettings.h
freedvplugin.h
)
set(freedv_FORMS
freedvdemodgui.ui
)
include_directories(
.
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_SOURCE_DIR}/swagger/sdrangel/code/qt5/client
)
add_definitions(${QT_DEFINITIONS})
add_definitions(-DQT_PLUGIN)
add_definitions(-DQT_SHARED)
qt5_wrap_ui(freedv_FORMS_HEADERS ${freedv_FORMS})
add_library(demodfreedv SHARED
${freedv_SOURCES}
${freedv_HEADERS_MOC}
${freedv_FORMS_HEADERS}
)
target_link_libraries(demodfreedv
${QT_LIBRARIES}
sdrbase
sdrgui
)
target_link_libraries(demodfreedv Qt5::Core Qt5::Widgets)
install(TARGETS demodfreedv DESTINATION lib/plugins/channelrx)

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@ -0,0 +1,898 @@
///////////////////////////////////////////////////////////////////////////////////
// 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 //
// //
// 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 <stdio.h>
#include <QTime>
#include <QDebug>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include "SWGChannelSettings.h"
#include "SWGSSBDemodSettings.h"
#include "SWGChannelReport.h"
#include "SWGSSBDemodReport.h"
#include "audio/audiooutput.h"
#include "dsp/dspengine.h"
#include "dsp/downchannelizer.h"
#include "dsp/threadedbasebandsamplesink.h"
#include "dsp/dspcommands.h"
#include "device/devicesourceapi.h"
#include "util/db.h"
#include "freedvdemod.h"
MESSAGE_CLASS_DEFINITION(FreeDVDemod::MsgConfigureFreeDVDemod, Message)
MESSAGE_CLASS_DEFINITION(FreeDVDemod::MsgConfigureFreeDVDemodPrivate, Message)
MESSAGE_CLASS_DEFINITION(FreeDVDemod::MsgConfigureChannelizer, Message)
const QString FreeDVDemod::m_channelIdURI = "sdrangel.channel.freedvdemod";
const QString FreeDVDemod::m_channelId = "FreeDVDemod";
FreeDVDemod::FreeDVDemod(DeviceSourceAPI *deviceAPI) :
ChannelSinkAPI(m_channelIdURI),
m_deviceAPI(deviceAPI),
m_audioBinaual(false),
m_audioFlipChannels(false),
m_dsb(false),
m_audioMute(false),
m_agc(12000, agcTarget, 1e-2),
m_agcActive(false),
m_agcClamping(false),
m_agcNbSamples(12000),
m_agcPowerThreshold(1e-2),
m_agcThresholdGate(0),
m_squelchDelayLine(2*48000),
m_audioActive(false),
m_sampleSink(0),
m_audioFifo(24000),
m_settingsMutex(QMutex::Recursive)
{
setObjectName(m_channelId);
m_Bandwidth = 5000;
m_LowCutoff = 300;
m_volume = 2.0;
m_spanLog2 = 3;
m_inputSampleRate = 48000;
m_inputFrequencyOffset = 0;
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifo, getInputMessageQueue());
m_audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate();
m_audioBuffer.resize(1<<14);
m_audioBufferFill = 0;
m_undersampleCount = 0;
m_sum = 0;
m_usb = true;
m_magsq = 0.0f;
m_magsqSum = 0.0f;
m_magsqPeak = 0.0f;
m_magsqCount = 0;
m_agc.setClampMax(SDR_RX_SCALED/100.0);
m_agc.setClamping(m_agcClamping);
SSBFilter = new fftfilt(m_LowCutoff / m_audioSampleRate, m_Bandwidth / m_audioSampleRate, ssbFftLen);
DSBFilter = new fftfilt((2.0f * m_Bandwidth) / m_audioSampleRate, 2 * ssbFftLen);
applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
applySettings(m_settings, true);
m_channelizer = new DownChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
m_deviceAPI->addThreadedSink(m_threadedChannelizer);
m_deviceAPI->addChannelAPI(this);
m_networkManager = new QNetworkAccessManager();
connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
}
FreeDVDemod::~FreeDVDemod()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(&m_audioFifo);
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSink(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
delete SSBFilter;
delete DSBFilter;
}
void FreeDVDemod::configure(MessageQueue* messageQueue,
Real Bandwidth,
Real LowCutoff,
Real volume,
int spanLog2,
bool audioBinaural,
bool audioFlipChannel,
bool dsb,
bool audioMute,
bool agc,
bool agcClamping,
int agcTimeLog2,
int agcPowerThreshold,
int agcThresholdGate)
{
Message* cmd = MsgConfigureFreeDVDemodPrivate::create(
Bandwidth,
LowCutoff,
volume,
spanLog2,
audioBinaural,
audioFlipChannel,
dsb,
audioMute,
agc,
agcClamping,
agcTimeLog2,
agcPowerThreshold,
agcThresholdGate);
messageQueue->push(cmd);
}
void FreeDVDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly)
{
(void) positiveOnly;
Complex ci;
fftfilt::cmplx *sideband;
int n_out;
m_settingsMutex.lock();
int decim = 1<<(m_spanLog2 - 1);
unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)
for(SampleVector::const_iterator it = begin; it < end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if(m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
{
if (m_dsb)
{
n_out = DSBFilter->runDSB(ci, &sideband);
}
else
{
n_out = SSBFilter->runSSB(ci, &sideband, m_usb);
}
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
else
{
n_out = 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 += sideband[i];
if (!(m_undersampleCount++ & decim_mask))
{
Real avgr = m_sum.real() / decim;
Real avgi = m_sum.imag() / decim;
m_magsq = (avgr * avgr + avgi * avgi) / (SDR_RX_SCALED*SDR_RX_SCALED);
m_magsqSum += m_magsq;
if (m_magsq > m_magsqPeak)
{
m_magsqPeak = m_magsq;
}
m_magsqCount++;
if (!m_dsb & !m_usb)
{ // invert spectrum for LSB
m_sampleBuffer.push_back(Sample(avgi, avgr));
}
else
{
m_sampleBuffer.push_back(Sample(avgr, avgi));
}
m_sum.real(0.0);
m_sum.imag(0.0);
}
float agcVal = m_agcActive ? m_agc.feedAndGetValue(sideband[i]) : 10.0; // 10.0 for 3276.8, 1.0 for 327.68
fftfilt::cmplx& delayedSample = m_squelchDelayLine.readBack(m_agc.getStepDownDelay());
m_audioActive = delayedSample.real() != 0.0;
m_squelchDelayLine.write(sideband[i]*agcVal);
if (m_audioMute)
{
m_audioBuffer[m_audioBufferFill].r = 0;
m_audioBuffer[m_audioBufferFill].l = 0;
}
else
{
fftfilt::cmplx z = delayedSample * m_agc.getStepValue();
if (m_audioBinaual)
{
if (m_audioFlipChannels)
{
m_audioBuffer[m_audioBufferFill].r = (qint16)(z.imag() * m_volume);
m_audioBuffer[m_audioBufferFill].l = (qint16)(z.real() * m_volume);
}
else
{
m_audioBuffer[m_audioBufferFill].r = (qint16)(z.real() * m_volume);
m_audioBuffer[m_audioBufferFill].l = (qint16)(z.imag() * m_volume);
}
}
else
{
Real demod = (z.real() + z.imag()) * 0.7;
qint16 sample = (qint16)(demod * m_volume);
m_audioBuffer[m_audioBufferFill].l = sample;
m_audioBuffer[m_audioBufferFill].r = sample;
}
}
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill)
{
qDebug("FreeDVDemod::feed: %u/%u samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
}
}
}
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill)
{
qDebug("FreeDVDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
if (m_sampleSink != 0)
{
m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), !m_dsb);
}
m_sampleBuffer.clear();
m_settingsMutex.unlock();
}
void FreeDVDemod::start()
{
applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
}
void FreeDVDemod::stop()
{
}
bool FreeDVDemod::handleMessage(const Message& cmd)
{
if (DownChannelizer::MsgChannelizerNotification::match(cmd))
{
DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
qDebug("FreeDVDemod::handleMessage: MsgChannelizerNotification: m_sampleRate");
applyChannelSettings(notif.getSampleRate(), notif.getFrequencyOffset());
return true;
}
else if (MsgConfigureChannelizer::match(cmd))
{
MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
qDebug() << "FreeDVDemod::handleMessage: MsgConfigureChannelizer: sampleRate: " << cfg.getSampleRate()
<< " centerFrequency: " << cfg.getCenterFrequency();
m_channelizer->configure(m_channelizer->getInputMessageQueue(),
cfg.getSampleRate(),
cfg.getCenterFrequency());
return true;
}
else if (MsgConfigureFreeDVDemod::match(cmd))
{
MsgConfigureFreeDVDemod& cfg = (MsgConfigureFreeDVDemod&) cmd;
qDebug("FreeDVDemod::handleMessage: MsgConfigureFreeDVDemod");
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (BasebandSampleSink::MsgThreadedSink::match(cmd))
{
BasebandSampleSink::MsgThreadedSink& cfg = (BasebandSampleSink::MsgThreadedSink&) cmd;
const QThread *thread = cfg.getThread();
qDebug("FreeDVDemod::handleMessage: BasebandSampleSink::MsgThreadedSink: %p", thread);
return true;
}
else if (DSPConfigureAudio::match(cmd))
{
DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
uint32_t sampleRate = cfg.getSampleRate();
qDebug() << "FreeDVDemod::handleMessage: DSPConfigureAudio:"
<< " sampleRate: " << sampleRate;
if (sampleRate != m_audioSampleRate) {
applyAudioSampleRate(sampleRate);
}
return true;
}
else if (DSPSignalNotification::match(cmd))
{
return true;
}
else
{
if(m_sampleSink != 0)
{
return m_sampleSink->handleMessage(cmd);
}
else
{
return false;
}
}
}
void FreeDVDemod::applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force)
{
qDebug() << "FreeDVDemod::applyChannelSettings:"
<< " inputSampleRate: " << inputSampleRate
<< " inputFrequencyOffset: " << inputFrequencyOffset;
if ((m_inputFrequencyOffset != inputFrequencyOffset) ||
(m_inputSampleRate != inputSampleRate) || force)
{
m_nco.setFreq(-inputFrequencyOffset, inputSampleRate);
}
if ((m_inputSampleRate != inputSampleRate) || force)
{
m_settingsMutex.lock();
m_interpolator.create(16, inputSampleRate, m_Bandwidth * 1.5f, 2.0f);
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) inputSampleRate / (Real) m_audioSampleRate;
m_settingsMutex.unlock();
}
m_inputSampleRate = inputSampleRate;
m_inputFrequencyOffset = inputFrequencyOffset;
}
void FreeDVDemod::applyAudioSampleRate(int sampleRate)
{
qDebug("FreeDVDemod::applyAudioSampleRate: %d", sampleRate);
MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
sampleRate, m_settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(channelConfigMsg);
m_settingsMutex.lock();
m_interpolator.create(16, m_inputSampleRate, m_Bandwidth * 1.5f, 2.0f);
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) m_inputSampleRate / (Real) sampleRate;
SSBFilter->create_filter(m_LowCutoff / (float) sampleRate, m_Bandwidth / (float) sampleRate);
DSBFilter->create_dsb_filter((2.0f * m_Bandwidth) / (float) sampleRate);
int agcNbSamples = (sampleRate / 1000) * (1<<m_settings.m_agcTimeLog2);
int agcThresholdGate = (sampleRate / 1000) * m_settings.m_agcThresholdGate; // ms
if (m_agcNbSamples != agcNbSamples)
{
m_agc.resize(agcNbSamples, agcNbSamples/2, agcTarget);
m_agc.setStepDownDelay(agcNbSamples);
m_agcNbSamples = agcNbSamples;
}
if (m_agcThresholdGate != agcThresholdGate)
{
m_agc.setGate(agcThresholdGate);
m_agcThresholdGate = agcThresholdGate;
}
m_audioFifo.setSize(sampleRate);
m_settingsMutex.unlock();
m_audioSampleRate = sampleRate;
if (m_guiMessageQueue) // forward to GUI if any
{
DSPConfigureAudio *cfg = new DSPConfigureAudio(m_audioSampleRate);
m_guiMessageQueue->push(cfg);
}
}
void FreeDVDemod::applySettings(const FreeDVDemodSettings& settings, bool force)
{
qDebug() << "FreeDVDemod::applySettings:"
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " m_rfBandwidth: " << settings.m_rfBandwidth
<< " m_lowCutoff: " << settings.m_lowCutoff
<< " m_volume: " << settings.m_volume
<< " m_spanLog2: " << settings.m_spanLog2
<< " m_audioBinaual: " << settings.m_audioBinaural
<< " m_audioFlipChannels: " << settings.m_audioFlipChannels
<< " m_dsb: " << settings.m_dsb
<< " m_audioMute: " << settings.m_audioMute
<< " m_agcActive: " << settings.m_agc
<< " m_agcClamping: " << settings.m_agcClamping
<< " m_agcTimeLog2: " << settings.m_agcTimeLog2
<< " agcPowerThreshold: " << settings.m_agcPowerThreshold
<< " agcThresholdGate: " << settings.m_agcThresholdGate
<< " m_audioDeviceName: " << settings.m_audioDeviceName
<< " force: " << force;
QList<QString> reverseAPIKeys;
if((m_settings.m_inputFrequencyOffset != settings.m_inputFrequencyOffset) || force) {
reverseAPIKeys.append("inputFrequencyOffset");
}
if((m_settings.m_rfBandwidth != settings.m_rfBandwidth) || force) {
reverseAPIKeys.append("rfBandwidth");
}
if((m_settings.m_lowCutoff != settings.m_lowCutoff) || force) {
reverseAPIKeys.append("lowCutoff");
}
if((m_settings.m_rfBandwidth != settings.m_rfBandwidth) ||
(m_settings.m_lowCutoff != settings.m_lowCutoff) || force)
{
float band, lowCutoff;
band = settings.m_rfBandwidth;
lowCutoff = settings.m_lowCutoff;
if (band < 0) {
band = -band;
lowCutoff = -lowCutoff;
m_usb = false;
} else {
m_usb = true;
}
if (band < 100.0f)
{
band = 100.0f;
lowCutoff = 0;
}
m_Bandwidth = band;
m_LowCutoff = lowCutoff;
m_settingsMutex.lock();
m_interpolator.create(16, m_inputSampleRate, m_Bandwidth * 1.5f, 2.0f);
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) m_inputSampleRate / (Real) m_audioSampleRate;
SSBFilter->create_filter(m_LowCutoff / (float) m_audioSampleRate, m_Bandwidth / (float) m_audioSampleRate);
DSBFilter->create_dsb_filter((2.0f * m_Bandwidth) / (float) m_audioSampleRate);
m_settingsMutex.unlock();
}
if ((m_settings.m_volume != settings.m_volume) || force)
{
reverseAPIKeys.append("volume");
m_volume = settings.m_volume;
m_volume /= 4.0; // for 3276.8
}
if ((m_settings.m_agcTimeLog2 != settings.m_agcTimeLog2) || force) {
reverseAPIKeys.append("agcTimeLog2");
}
if ((m_settings.m_agcPowerThreshold != settings.m_agcPowerThreshold) || force) {
reverseAPIKeys.append("agcPowerThreshold");
}
if ((m_settings.m_agcThresholdGate != settings.m_agcThresholdGate) || force) {
reverseAPIKeys.append("agcThresholdGate");
}
if ((m_settings.m_agcClamping != settings.m_agcClamping) || force) {
reverseAPIKeys.append("agcClamping");
}
if ((m_settings.m_agcTimeLog2 != settings.m_agcTimeLog2) ||
(m_settings.m_agcPowerThreshold != settings.m_agcPowerThreshold) ||
(m_settings.m_agcThresholdGate != settings.m_agcThresholdGate) ||
(m_settings.m_agcClamping != settings.m_agcClamping) || force)
{
int agcNbSamples = (m_audioSampleRate / 1000) * (1<<settings.m_agcTimeLog2);
m_agc.setThresholdEnable(settings.m_agcPowerThreshold != -FreeDVDemodSettings::m_minPowerThresholdDB);
double agcPowerThreshold = CalcDb::powerFromdB(settings.m_agcPowerThreshold) * (SDR_RX_SCALED*SDR_RX_SCALED);
int agcThresholdGate = (m_audioSampleRate / 1000) * settings.m_agcThresholdGate; // ms
bool agcClamping = settings.m_agcClamping;
if (m_agcNbSamples != agcNbSamples)
{
m_settingsMutex.lock();
m_agc.resize(agcNbSamples, agcNbSamples/2, agcTarget);
m_agc.setStepDownDelay(agcNbSamples);
m_agcNbSamples = agcNbSamples;
m_settingsMutex.unlock();
}
if (m_agcPowerThreshold != agcPowerThreshold)
{
m_agc.setThreshold(agcPowerThreshold);
m_agcPowerThreshold = agcPowerThreshold;
}
if (m_agcThresholdGate != agcThresholdGate)
{
m_agc.setGate(agcThresholdGate);
m_agcThresholdGate = agcThresholdGate;
}
if (m_agcClamping != agcClamping)
{
m_agc.setClamping(agcClamping);
m_agcClamping = agcClamping;
}
qDebug() << "SBDemod::applySettings: AGC:"
<< " agcNbSamples: " << agcNbSamples
<< " agcPowerThreshold: " << agcPowerThreshold
<< " agcThresholdGate: " << agcThresholdGate
<< " agcClamping: " << agcClamping;
}
if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
{
reverseAPIKeys.append("audioDeviceName");
AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
int audioDeviceIndex = audioDeviceManager->getOutputDeviceIndex(settings.m_audioDeviceName);
audioDeviceManager->addAudioSink(&m_audioFifo, getInputMessageQueue(), audioDeviceIndex);
uint32_t audioSampleRate = audioDeviceManager->getOutputSampleRate(audioDeviceIndex);
if (m_audioSampleRate != audioSampleRate) {
applyAudioSampleRate(audioSampleRate);
}
}
if ((m_settings.m_spanLog2 != settings.m_spanLog2) || force) {
reverseAPIKeys.append("spanLog2");
}
if ((m_settings.m_audioBinaural != settings.m_audioBinaural) || force) {
reverseAPIKeys.append("audioBinaural");
}
if ((m_settings.m_audioFlipChannels != settings.m_audioFlipChannels) || force) {
reverseAPIKeys.append("audioFlipChannels");
}
if ((m_settings.m_dsb != settings.m_dsb) || force) {
reverseAPIKeys.append("dsb");
}
if ((m_settings.m_audioMute != settings.m_audioMute) || force) {
reverseAPIKeys.append("audioMute");
}
if ((m_settings.m_agc != settings.m_agc) || force) {
reverseAPIKeys.append("agc");
}
m_spanLog2 = settings.m_spanLog2;
m_audioBinaual = settings.m_audioBinaural;
m_audioFlipChannels = settings.m_audioFlipChannels;
m_dsb = settings.m_dsb;
m_audioMute = settings.m_audioMute;
m_agcActive = settings.m_agc;
if (settings.m_useReverseAPI)
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
(m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
(m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
(m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex) ||
(m_settings.m_reverseAPIChannelIndex != settings.m_reverseAPIChannelIndex);
webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
}
m_settings = settings;
}
QByteArray FreeDVDemod::serialize() const
{
return m_settings.serialize();
}
bool FreeDVDemod::deserialize(const QByteArray& data)
{
if (m_settings.deserialize(data))
{
MsgConfigureFreeDVDemod *msg = MsgConfigureFreeDVDemod::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureFreeDVDemod *msg = MsgConfigureFreeDVDemod::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
int FreeDVDemod::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
response.setSsbDemodSettings(new SWGSDRangel::SWGSSBDemodSettings());
response.getSsbDemodSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int FreeDVDemod::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage)
{
(void) errorMessage;
FreeDVDemodSettings settings = m_settings;
bool frequencyOffsetChanged = false;
if (channelSettingsKeys.contains("inputFrequencyOffset"))
{
settings.m_inputFrequencyOffset = response.getSsbDemodSettings()->getInputFrequencyOffset();
frequencyOffsetChanged = true;
}
if (channelSettingsKeys.contains("rfBandwidth")) {
settings.m_rfBandwidth = response.getSsbDemodSettings()->getRfBandwidth();
}
if (channelSettingsKeys.contains("lowCutoff")) {
settings.m_lowCutoff = response.getSsbDemodSettings()->getLowCutoff();
}
if (channelSettingsKeys.contains("volume")) {
settings.m_volume = response.getSsbDemodSettings()->getVolume();
}
if (channelSettingsKeys.contains("spanLog2")) {
settings.m_spanLog2 = response.getSsbDemodSettings()->getSpanLog2();
}
if (channelSettingsKeys.contains("audioBinaural")) {
settings.m_audioBinaural = response.getSsbDemodSettings()->getAudioBinaural() != 0;
}
if (channelSettingsKeys.contains("audioFlipChannels")) {
settings.m_audioFlipChannels = response.getSsbDemodSettings()->getAudioFlipChannels() != 0;
}
if (channelSettingsKeys.contains("dsb")) {
settings.m_dsb = response.getSsbDemodSettings()->getDsb() != 0;
}
if (channelSettingsKeys.contains("audioMute")) {
settings.m_audioMute = response.getSsbDemodSettings()->getAudioMute() != 0;
}
if (channelSettingsKeys.contains("agc")) {
settings.m_agc = response.getSsbDemodSettings()->getAgc() != 0;
}
if (channelSettingsKeys.contains("agcClamping")) {
settings.m_agcClamping = response.getSsbDemodSettings()->getAgcClamping() != 0;
}
if (channelSettingsKeys.contains("agcTimeLog2")) {
settings.m_agcTimeLog2 = response.getSsbDemodSettings()->getAgcTimeLog2();
}
if (channelSettingsKeys.contains("agcPowerThreshold")) {
settings.m_agcPowerThreshold = response.getSsbDemodSettings()->getAgcPowerThreshold();
}
if (channelSettingsKeys.contains("agcThresholdGate")) {
settings.m_agcThresholdGate = response.getSsbDemodSettings()->getAgcThresholdGate();
}
if (channelSettingsKeys.contains("rgbColor")) {
settings.m_rgbColor = response.getSsbDemodSettings()->getRgbColor();
}
if (channelSettingsKeys.contains("title")) {
settings.m_title = *response.getSsbDemodSettings()->getTitle();
}
if (channelSettingsKeys.contains("audioDeviceName")) {
settings.m_audioDeviceName = *response.getSsbDemodSettings()->getAudioDeviceName();
}
if (frequencyOffsetChanged)
{
MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
m_audioSampleRate, settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(channelConfigMsg);
}
MsgConfigureFreeDVDemod *msg = MsgConfigureFreeDVDemod::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("FreeDVDemod::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureFreeDVDemod *msgToGUI = MsgConfigureFreeDVDemod::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatChannelSettings(response, settings);
return 200;
}
int FreeDVDemod::webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage)
{
(void) errorMessage;
response.setSsbDemodReport(new SWGSDRangel::SWGSSBDemodReport());
response.getSsbDemodReport()->init();
webapiFormatChannelReport(response);
return 200;
}
void FreeDVDemod::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FreeDVDemodSettings& settings)
{
response.getSsbDemodSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
response.getSsbDemodSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
response.getSsbDemodSettings()->setRfBandwidth(settings.m_rfBandwidth);
response.getSsbDemodSettings()->setLowCutoff(settings.m_lowCutoff);
response.getSsbDemodSettings()->setVolume(settings.m_volume);
response.getSsbDemodSettings()->setSpanLog2(settings.m_spanLog2);
response.getSsbDemodSettings()->setAudioBinaural(settings.m_audioBinaural ? 1 : 0);
response.getSsbDemodSettings()->setAudioFlipChannels(settings.m_audioFlipChannels ? 1 : 0);
response.getSsbDemodSettings()->setDsb(settings.m_dsb ? 1 : 0);
response.getSsbDemodSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
response.getSsbDemodSettings()->setAgc(settings.m_agc ? 1 : 0);
response.getSsbDemodSettings()->setAgcClamping(settings.m_agcClamping ? 1 : 0);
response.getSsbDemodSettings()->setAgcTimeLog2(settings.m_agcTimeLog2);
response.getSsbDemodSettings()->setAgcPowerThreshold(settings.m_agcPowerThreshold);
response.getSsbDemodSettings()->setAgcThresholdGate(settings.m_agcThresholdGate);
response.getSsbDemodSettings()->setRgbColor(settings.m_rgbColor);
if (response.getSsbDemodSettings()->getTitle()) {
*response.getSsbDemodSettings()->getTitle() = settings.m_title;
} else {
response.getSsbDemodSettings()->setTitle(new QString(settings.m_title));
}
if (response.getSsbDemodSettings()->getAudioDeviceName()) {
*response.getSsbDemodSettings()->getAudioDeviceName() = settings.m_audioDeviceName;
} else {
response.getSsbDemodSettings()->setAudioDeviceName(new QString(settings.m_audioDeviceName));
}
}
void FreeDVDemod::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
double magsqAvg, magsqPeak;
int nbMagsqSamples;
getMagSqLevels(magsqAvg, magsqPeak, nbMagsqSamples);
response.getSsbDemodReport()->setChannelPowerDb(CalcDb::dbPower(magsqAvg));
response.getSsbDemodReport()->setSquelch(m_audioActive ? 1 : 0);
response.getSsbDemodReport()->setAudioSampleRate(m_audioSampleRate);
response.getSsbDemodReport()->setChannelSampleRate(m_inputSampleRate);
}
void FreeDVDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreeDVDemodSettings& settings, bool force)
{
SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
swgChannelSettings->setTx(0);
swgChannelSettings->setChannelType(new QString("SSBDemod"));
swgChannelSettings->setSsbDemodSettings(new SWGSDRangel::SWGSSBDemodSettings());
SWGSDRangel::SWGSSBDemodSettings *swgSSBDemodSettings = swgChannelSettings->getSsbDemodSettings();
// transfer data that has been modified. When force is on transfer all data except reverse API data
if (channelSettingsKeys.contains("inputFrequencyOffset") || force) {
swgSSBDemodSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
}
if (channelSettingsKeys.contains("rfBandwidth") || force) {
swgSSBDemodSettings->setRfBandwidth(settings.m_rfBandwidth);
}
if (channelSettingsKeys.contains("lowCutoff") || force) {
swgSSBDemodSettings->setLowCutoff(settings.m_lowCutoff);
}
if (channelSettingsKeys.contains("volume") || force) {
swgSSBDemodSettings->setVolume(settings.m_volume);
}
if (channelSettingsKeys.contains("spanLog2") || force) {
swgSSBDemodSettings->setSpanLog2(settings.m_spanLog2);
}
if (channelSettingsKeys.contains("audioBinaural") || force) {
swgSSBDemodSettings->setAudioBinaural(settings.m_audioBinaural ? 1 : 0);
}
if (channelSettingsKeys.contains("audioFlipChannels") || force) {
swgSSBDemodSettings->setAudioFlipChannels(settings.m_audioFlipChannels ? 1 : 0);
}
if (channelSettingsKeys.contains("dsb") || force) {
swgSSBDemodSettings->setDsb(settings.m_dsb ? 1 : 0);
}
if (channelSettingsKeys.contains("audioMute") || force) {
swgSSBDemodSettings->setAudioMute(settings.m_audioMute ? 1 : 0);
}
if (channelSettingsKeys.contains("agc") || force) {
swgSSBDemodSettings->setAgc(settings.m_agc ? 1 : 0);
}
if (channelSettingsKeys.contains("agcClamping") || force) {
swgSSBDemodSettings->setAgcClamping(settings.m_agcClamping ? 1 : 0);
}
if (channelSettingsKeys.contains("agcTimeLog2") || force) {
swgSSBDemodSettings->setAgcTimeLog2(settings.m_agcTimeLog2);
}
if (channelSettingsKeys.contains("agcPowerThreshold") || force) {
swgSSBDemodSettings->setAgcPowerThreshold(settings.m_agcPowerThreshold);
}
if (channelSettingsKeys.contains("agcThresholdGate") || force) {
swgSSBDemodSettings->setAgcThresholdGate(settings.m_agcThresholdGate);
}
if (channelSettingsKeys.contains("rgbColor") || force) {
swgSSBDemodSettings->setRgbColor(settings.m_rgbColor);
}
if (channelSettingsKeys.contains("title") || force) {
swgSSBDemodSettings->setTitle(new QString(settings.m_title));
}
if (channelSettingsKeys.contains("audioDeviceName") || force) {
swgSSBDemodSettings->setAudioDeviceName(new QString(settings.m_audioDeviceName));
}
QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/settings")
.arg(settings.m_reverseAPIAddress)
.arg(settings.m_reverseAPIPort)
.arg(settings.m_reverseAPIDeviceIndex)
.arg(settings.m_reverseAPIChannelIndex);
m_networkRequest.setUrl(QUrl(channelSettingsURL));
m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
QBuffer *buffer=new QBuffer();
buffer->open((QBuffer::ReadWrite));
buffer->write(swgChannelSettings->asJson().toUtf8());
buffer->seek(0);
// Always use PATCH to avoid passing reverse API settings
m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
delete swgChannelSettings;
}
void FreeDVDemod::networkManagerFinished(QNetworkReply *reply)
{
QNetworkReply::NetworkError replyError = reply->error();
if (replyError)
{
qWarning() << "FreeDVDemod::networkManagerFinished:"
<< " error(" << (int) replyError
<< "): " << replyError
<< ": " << reply->errorString();
return;
}
QString answer = reply->readAll();
answer.chop(1); // remove last \n
qDebug("FreeDVDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
}

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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 //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FREEDVDEMOD_H
#define INCLUDE_FREEDVDEMOD_H
#include <vector>
#include <QMutex>
#include <QNetworkRequest>
#include "dsp/basebandsamplesink.h"
#include "channel/channelsinkapi.h"
#include "dsp/ncof.h"
#include "dsp/interpolator.h"
#include "dsp/fftfilt.h"
#include "dsp/agc.h"
#include "audio/audiofifo.h"
#include "util/message.h"
#include "util/doublebufferfifo.h"
#include "freedvdemodsettings.h"
#define ssbFftLen 1024
#define agcTarget 3276.8 // -10 dB amplitude => -20 dB power: center of normal signal
class QNetworkAccessManager;
class QNetworkReply;
class DeviceSourceAPI;
class ThreadedBasebandSampleSink;
class DownChannelizer;
class FreeDVDemod : public BasebandSampleSink, public ChannelSinkAPI {
Q_OBJECT
public:
class MsgConfigureFreeDVDemod : public Message {
MESSAGE_CLASS_DECLARATION
public:
const FreeDVDemodSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureFreeDVDemod* create(const FreeDVDemodSettings& settings, bool force)
{
return new MsgConfigureFreeDVDemod(settings, force);
}
private:
FreeDVDemodSettings m_settings;
bool m_force;
MsgConfigureFreeDVDemod(const FreeDVDemodSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
class MsgConfigureChannelizer : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getSampleRate() const { return m_sampleRate; }
int getCenterFrequency() const { return m_centerFrequency; }
static MsgConfigureChannelizer* create(int sampleRate, int centerFrequency)
{
return new MsgConfigureChannelizer(sampleRate, centerFrequency);
}
private:
int m_sampleRate;
int m_centerFrequency;
MsgConfigureChannelizer(int sampleRate, int centerFrequency) :
Message(),
m_sampleRate(sampleRate),
m_centerFrequency(centerFrequency)
{ }
};
FreeDVDemod(DeviceSourceAPI *deviceAPI);
virtual ~FreeDVDemod();
virtual void destroy() { delete this; }
void setSampleSink(BasebandSampleSink* sampleSink) { m_sampleSink = sampleSink; }
void configure(MessageQueue* messageQueue,
Real Bandwidth,
Real LowCutoff,
Real volume,
int spanLog2,
bool audioBinaural,
bool audioFlipChannels,
bool dsb,
bool audioMute,
bool agc,
bool agcClamping,
int agcTimeLog2,
int agcPowerThreshold,
int agcThresholdGate);
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
virtual void start();
virtual void stop();
virtual bool handleMessage(const Message& cmd);
virtual void getIdentifier(QString& id) { id = objectName(); }
virtual void getTitle(QString& title) { title = m_settings.m_title; }
virtual qint64 getCenterFrequency() const { return m_settings.m_inputFrequencyOffset; }
virtual QByteArray serialize() const;
virtual bool deserialize(const QByteArray& data);
uint32_t getAudioSampleRate() const { return m_audioSampleRate; }
double getMagSq() const { return m_magsq; }
bool getAudioActive() const { return m_audioActive; }
void getMagSqLevels(double& avg, double& peak, int& nbSamples)
{
if (m_magsqCount > 0)
{
m_magsq = m_magsqSum / m_magsqCount;
m_magSqLevelStore.m_magsq = m_magsq;
m_magSqLevelStore.m_magsqPeak = m_magsqPeak;
}
avg = m_magSqLevelStore.m_magsq;
peak = m_magSqLevelStore.m_magsqPeak;
nbSamples = m_magsqCount == 0 ? 1 : m_magsqCount;
m_magsqSum = 0.0f;
m_magsqPeak = 0.0f;
m_magsqCount = 0;
}
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);
static const QString m_channelIdURI;
static const QString m_channelId;
private:
struct MagSqLevelsStore
{
MagSqLevelsStore() :
m_magsq(1e-12),
m_magsqPeak(1e-12)
{}
double m_magsq;
double m_magsqPeak;
};
class MsgConfigureFreeDVDemodPrivate : public Message {
MESSAGE_CLASS_DECLARATION
public:
Real getBandwidth() const { return m_Bandwidth; }
Real getLoCutoff() const { return m_LowCutoff; }
Real getVolume() const { return m_volume; }
int getSpanLog2() const { return m_spanLog2; }
bool getAudioBinaural() const { return m_audioBinaural; }
bool getAudioFlipChannels() const { return m_audioFlipChannels; }
bool getDSB() const { return m_dsb; }
bool getAudioMute() const { return m_audioMute; }
bool getAGC() const { return m_agc; }
bool getAGCClamping() const { return m_agcClamping; }
int getAGCTimeLog2() const { return m_agcTimeLog2; }
int getAGCPowerThershold() const { return m_agcPowerThreshold; }
int getAGCThersholdGate() const { return m_agcThresholdGate; }
static MsgConfigureFreeDVDemodPrivate* create(Real Bandwidth,
Real LowCutoff,
Real volume,
int spanLog2,
bool audioBinaural,
bool audioFlipChannels,
bool dsb,
bool audioMute,
bool agc,
bool agcClamping,
int agcTimeLog2,
int agcPowerThreshold,
int agcThresholdGate)
{
return new MsgConfigureFreeDVDemodPrivate(
Bandwidth,
LowCutoff,
volume,
spanLog2,
audioBinaural,
audioFlipChannels,
dsb,
audioMute,
agc,
agcClamping,
agcTimeLog2,
agcPowerThreshold,
agcThresholdGate);
}
private:
Real m_Bandwidth;
Real m_LowCutoff;
Real m_volume;
int m_spanLog2;
bool m_audioBinaural;
bool m_audioFlipChannels;
bool m_dsb;
bool m_audioMute;
bool m_agc;
bool m_agcClamping;
int m_agcTimeLog2;
int m_agcPowerThreshold;
int m_agcThresholdGate;
MsgConfigureFreeDVDemodPrivate(Real Bandwidth,
Real LowCutoff,
Real volume,
int spanLog2,
bool audioBinaural,
bool audioFlipChannels,
bool dsb,
bool audioMute,
bool agc,
bool agcClamping,
int agcTimeLog2,
int agcPowerThreshold,
int agcThresholdGate) :
Message(),
m_Bandwidth(Bandwidth),
m_LowCutoff(LowCutoff),
m_volume(volume),
m_spanLog2(spanLog2),
m_audioBinaural(audioBinaural),
m_audioFlipChannels(audioFlipChannels),
m_dsb(dsb),
m_audioMute(audioMute),
m_agc(agc),
m_agcClamping(agcClamping),
m_agcTimeLog2(agcTimeLog2),
m_agcPowerThreshold(agcPowerThreshold),
m_agcThresholdGate(agcThresholdGate)
{ }
};
DeviceSourceAPI *m_deviceAPI;
ThreadedBasebandSampleSink* m_threadedChannelizer;
DownChannelizer* m_channelizer;
FreeDVDemodSettings m_settings;
Real m_Bandwidth;
Real m_LowCutoff;
Real m_volume;
int m_spanLog2;
fftfilt::cmplx m_sum;
int m_undersampleCount;
int m_inputSampleRate;
int m_inputFrequencyOffset;
bool m_audioBinaual;
bool m_audioFlipChannels;
bool m_usb;
bool m_dsb;
bool m_audioMute;
double m_magsq;
double m_magsqSum;
double m_magsqPeak;
int m_magsqCount;
MagSqLevelsStore m_magSqLevelStore;
MagAGC m_agc;
bool m_agcActive;
bool m_agcClamping;
int m_agcNbSamples; //!< number of audio (48 kHz) samples for AGC averaging
double m_agcPowerThreshold; //!< AGC power threshold (linear)
int m_agcThresholdGate; //!< Gate length in number of samples befor threshold triggers
DoubleBufferFIFO<fftfilt::cmplx> m_squelchDelayLine;
bool m_audioActive; //!< True if an audio signal is produced (no AGC or AGC and above threshold)
NCOF m_nco;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
fftfilt* SSBFilter;
fftfilt* DSBFilter;
BasebandSampleSink* m_sampleSink;
SampleVector m_sampleBuffer;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
AudioFifo m_audioFifo;
quint32 m_audioSampleRate;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
QMutex m_settingsMutex;
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
void applySettings(const FreeDVDemodSettings& settings, bool force = false);
void applyAudioSampleRate(int sampleRate);
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const FreeDVDemodSettings& settings);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreeDVDemodSettings& settings, bool force);
private slots:
void networkManagerFinished(QNetworkReply *reply);
};
#endif // INCLUDE_FREEDVDEMOD_H

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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 //
// //
// 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 <QPixmap>
#include "freedvdemodgui.h"
#include "device/devicesourceapi.h"
#include "device/deviceuiset.h"
#include "ui_freedvdemodgui.h"
#include "dsp/spectrumvis.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "gui/glspectrum.h"
#include "gui/basicchannelsettingsdialog.h"
#include "plugin/pluginapi.h"
#include "util/simpleserializer.h"
#include "util/db.h"
#include "gui/crightclickenabler.h"
#include "gui/audioselectdialog.h"
#include "mainwindow.h"
#include "freedvdemod.h"
FreeDVDemodGUI* FreeDVDemodGUI::create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel)
{
FreeDVDemodGUI* gui = new FreeDVDemodGUI(pluginAPI, deviceUISet, rxChannel);
return gui;
}
void FreeDVDemodGUI::destroy()
{
delete this;
}
void FreeDVDemodGUI::setName(const QString& name)
{
setObjectName(name);
}
QString FreeDVDemodGUI::getName() const
{
return objectName();
}
qint64 FreeDVDemodGUI::getCenterFrequency() const
{
return m_channelMarker.getCenterFrequency();
}
void FreeDVDemodGUI::setCenterFrequency(qint64 centerFrequency)
{
m_channelMarker.setCenterFrequency(centerFrequency);
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
applySettings();
}
void FreeDVDemodGUI::resetToDefaults()
{
m_settings.resetToDefaults();
}
QByteArray FreeDVDemodGUI::serialize() const
{
return m_settings.serialize();
}
bool FreeDVDemodGUI::deserialize(const QByteArray& data)
{
if(m_settings.deserialize(data))
{
displaySettings();
applySettings(true); // will have true
return true;
}
else
{
m_settings.resetToDefaults();
displaySettings();
applySettings(true); // will have true
return false;
}
}
bool FreeDVDemodGUI::handleMessage(const Message& message)
{
if (FreeDVDemod::MsgConfigureFreeDVDemod::match(message))
{
qDebug("FreeDVDemodGUI::handleMessage: FreeDVDemodGUI::MsgConfigureFreeDVDemod");
const FreeDVDemod::MsgConfigureFreeDVDemod& cfg = (FreeDVDemod::MsgConfigureFreeDVDemod&) message;
m_settings = cfg.getSettings();
blockApplySettings(true);
displaySettings();
blockApplySettings(false);
return true;
}
else if (DSPConfigureAudio::match(message))
{
qDebug("FreeDVDemodGUI::handleMessage: DSPConfigureAudio: %d", m_freeDVDemod->getAudioSampleRate());
applyBandwidths(5 - ui->spanLog2->value()); // will update spectrum details with new sample rate
return true;
}
else
{
return false;
}
}
void FreeDVDemodGUI::handleInputMessages()
{
Message* message;
while ((message = getInputMessageQueue()->pop()) != 0)
{
if (handleMessage(*message))
{
delete message;
}
}
}
void FreeDVDemodGUI::channelMarkerChangedByCursor()
{
ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
applySettings();
}
void FreeDVDemodGUI::channelMarkerHighlightedByCursor()
{
setHighlighted(m_channelMarker.getHighlighted());
}
void FreeDVDemodGUI::on_audioBinaural_toggled(bool binaural)
{
m_audioBinaural = binaural;
m_settings.m_audioBinaural = binaural;
applySettings();
}
void FreeDVDemodGUI::on_audioFlipChannels_toggled(bool flip)
{
m_audioFlipChannels = flip;
m_settings.m_audioFlipChannels = flip;
applySettings();
}
void FreeDVDemodGUI::on_dsb_toggled(bool dsb)
{
ui->flipSidebands->setEnabled(!dsb);
applyBandwidths(5 - ui->spanLog2->value());
}
void FreeDVDemodGUI::on_deltaFrequency_changed(qint64 value)
{
m_channelMarker.setCenterFrequency(value);
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
applySettings();
}
void FreeDVDemodGUI::on_BW_valueChanged(int value)
{
(void) value;
applyBandwidths(5 - ui->spanLog2->value());
}
void FreeDVDemodGUI::on_lowCut_valueChanged(int value)
{
(void) value;
applyBandwidths(5 - ui->spanLog2->value());
}
void FreeDVDemodGUI::on_volume_valueChanged(int value)
{
ui->volumeText->setText(QString("%1").arg(value / 10.0, 0, 'f', 1));
m_settings.m_volume = value / 10.0;
applySettings();
}
void FreeDVDemodGUI::on_agc_toggled(bool checked)
{
m_settings.m_agc = checked;
applySettings();
}
void FreeDVDemodGUI::on_agcClamping_toggled(bool checked)
{
m_settings.m_agcClamping = checked;
applySettings();
}
void FreeDVDemodGUI::on_agcTimeLog2_valueChanged(int value)
{
QString s = QString::number((1<<value), 'f', 0);
ui->agcTimeText->setText(s);
m_settings.m_agcTimeLog2 = value;
applySettings();
}
void FreeDVDemodGUI::on_agcPowerThreshold_valueChanged(int value)
{
displayAGCPowerThreshold(value);
m_settings.m_agcPowerThreshold = value;
applySettings();
}
void FreeDVDemodGUI::on_agcThresholdGate_valueChanged(int value)
{
QString s = QString::number(value, 'f', 0);
ui->agcThresholdGateText->setText(s);
m_settings.m_agcThresholdGate = value;
applySettings();
}
void FreeDVDemodGUI::on_audioMute_toggled(bool checked)
{
m_audioMute = checked;
m_settings.m_audioMute = checked;
applySettings();
}
void FreeDVDemodGUI::on_spanLog2_valueChanged(int value)
{
if ((value < 0) || (value > 4)) {
return;
}
applyBandwidths(5 - ui->spanLog2->value());
}
void FreeDVDemodGUI::on_flipSidebands_clicked(bool checked)
{
(void) checked;
int bwValue = ui->BW->value();
int lcValue = ui->lowCut->value();
ui->BW->setValue(-bwValue);
ui->lowCut->setValue(-lcValue);
}
void FreeDVDemodGUI::onMenuDialogCalled(const QPoint &p)
{
BasicChannelSettingsDialog dialog(&m_channelMarker, this);
dialog.setUseReverseAPI(m_settings.m_useReverseAPI);
dialog.setReverseAPIAddress(m_settings.m_reverseAPIAddress);
dialog.setReverseAPIPort(m_settings.m_reverseAPIPort);
dialog.setReverseAPIDeviceIndex(m_settings.m_reverseAPIDeviceIndex);
dialog.setReverseAPIChannelIndex(m_settings.m_reverseAPIChannelIndex);
dialog.move(p);
dialog.exec();
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
m_settings.m_rgbColor = m_channelMarker.getColor().rgb();
m_settings.m_title = m_channelMarker.getTitle();
m_settings.m_useReverseAPI = dialog.useReverseAPI();
m_settings.m_reverseAPIAddress = dialog.getReverseAPIAddress();
m_settings.m_reverseAPIPort = dialog.getReverseAPIPort();
m_settings.m_reverseAPIDeviceIndex = dialog.getReverseAPIDeviceIndex();
m_settings.m_reverseAPIChannelIndex = dialog.getReverseAPIChannelIndex();
setWindowTitle(m_settings.m_title);
setTitleColor(m_settings.m_rgbColor);
applySettings();
}
void FreeDVDemodGUI::onWidgetRolled(QWidget* widget, bool rollDown)
{
(void) widget;
(void) rollDown;
}
FreeDVDemodGUI::FreeDVDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* parent) :
RollupWidget(parent),
ui(new Ui::FreeDVDemodGUI),
m_pluginAPI(pluginAPI),
m_deviceUISet(deviceUISet),
m_channelMarker(this),
m_doApplySettings(true),
m_spectrumRate(6000),
m_audioBinaural(false),
m_audioFlipChannels(false),
m_audioMute(false),
m_squelchOpen(false)
{
ui->setupUi(this);
setAttribute(Qt::WA_DeleteOnClose, true);
connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));
m_spectrumVis = new SpectrumVis(SDR_RX_SCALEF, ui->glSpectrum);
m_freeDVDemod = (FreeDVDemod*) rxChannel;
m_freeDVDemod->setSampleSink(m_spectrumVis);
m_freeDVDemod->setMessageQueueToGUI(getInputMessageQueue());
resetToDefaults();
ui->glSpectrum->setCenterFrequency(m_spectrumRate/2);
ui->glSpectrum->setSampleRate(m_spectrumRate);
ui->glSpectrum->setDisplayWaterfall(true);
ui->glSpectrum->setDisplayMaxHold(true);
ui->glSpectrum->setSsbSpectrum(true);
ui->glSpectrum->connectTimer(MainWindow::getInstance()->getMasterTimer());
connect(&MainWindow::getInstance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick()));
CRightClickEnabler *audioMuteRightClickEnabler = new CRightClickEnabler(ui->audioMute);
connect(audioMuteRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(audioSelect()));
ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);
ui->channelPowerMeter->setColorTheme(LevelMeterSignalDB::ColorGreenAndBlue);
m_channelMarker.setVisible(true); // activate signal on the last setting only
m_settings.setChannelMarker(&m_channelMarker);
m_settings.setSpectrumGUI(ui->spectrumGUI);
m_deviceUISet->registerRxChannelInstance(FreeDVDemod::m_channelIdURI, this);
m_deviceUISet->addChannelMarker(&m_channelMarker);
m_deviceUISet->addRollupWidget(this);
connect(&m_channelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor()));
connect(&m_channelMarker, SIGNAL(highlightedByCursor()), this, SLOT(channelMarkerHighlightedByCursor()));
connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
ui->spectrumGUI->setBuddies(m_spectrumVis->getInputMessageQueue(), m_spectrumVis, ui->glSpectrum);
m_iconDSBUSB.addPixmap(QPixmap("://dsb.png"), QIcon::Normal, QIcon::On);
m_iconDSBUSB.addPixmap(QPixmap("://usb.png"), QIcon::Normal, QIcon::Off);
m_iconDSBLSB.addPixmap(QPixmap("://dsb.png"), QIcon::Normal, QIcon::On);
m_iconDSBLSB.addPixmap(QPixmap("://lsb.png"), QIcon::Normal, QIcon::Off);
displaySettings();
applyBandwidths(5 - ui->spanLog2->value(), true); // does applySettings(true)
}
FreeDVDemodGUI::~FreeDVDemodGUI()
{
m_deviceUISet->removeRxChannelInstance(this);
delete m_freeDVDemod; // TODO: check this: when the GUI closes it has to delete the demodulator
delete m_spectrumVis;
delete ui;
}
bool FreeDVDemodGUI::blockApplySettings(bool block)
{
bool ret = !m_doApplySettings;
m_doApplySettings = !block;
return ret;
}
void FreeDVDemodGUI::applySettings(bool force)
{
if (m_doApplySettings)
{
FreeDVDemod::MsgConfigureChannelizer* channelConfigMsg = FreeDVDemod::MsgConfigureChannelizer::create(
m_freeDVDemod->getAudioSampleRate(), m_channelMarker.getCenterFrequency());
m_freeDVDemod->getInputMessageQueue()->push(channelConfigMsg);
FreeDVDemod::MsgConfigureFreeDVDemod* message = FreeDVDemod::MsgConfigureFreeDVDemod::create( m_settings, force);
m_freeDVDemod->getInputMessageQueue()->push(message);
}
}
void FreeDVDemodGUI::applyBandwidths(int spanLog2, bool force)
{
bool dsb = ui->dsb->isChecked();
//int spanLog2 = ui->spanLog2->value();
m_spectrumRate = m_freeDVDemod->getAudioSampleRate() / (1<<spanLog2);
int bw = ui->BW->value();
int lw = ui->lowCut->value();
int bwMax = m_freeDVDemod->getAudioSampleRate() / (100*(1<<spanLog2));
int tickInterval = m_spectrumRate / 1200;
tickInterval = tickInterval == 0 ? 1 : tickInterval;
qDebug() << "FreeDVDemodGUI::applyBandwidths:"
<< " dsb: " << dsb
<< " spanLog2: " << spanLog2
<< " m_spectrumRate: " << m_spectrumRate
<< " bw: " << bw
<< " lw: " << lw
<< " bwMax: " << bwMax
<< " tickInterval: " << tickInterval;
ui->BW->setTickInterval(tickInterval);
ui->lowCut->setTickInterval(tickInterval);
bw = bw < -bwMax ? -bwMax : bw > bwMax ? bwMax : bw;
if (bw < 0) {
lw = lw < bw+1 ? bw+1 : lw < 0 ? lw : 0;
} else if (bw > 0) {
lw = lw > bw-1 ? bw-1 : lw < 0 ? 0 : lw;
} else {
lw = 0;
}
if (dsb)
{
bw = bw < 0 ? -bw : bw;
lw = 0;
}
QString spanStr = QString::number(bwMax/10.0, 'f', 1);
QString bwStr = QString::number(bw/10.0, 'f', 1);
QString lwStr = QString::number(lw/10.0, 'f', 1);
if (dsb)
{
ui->BWText->setText(tr("%1%2k").arg(QChar(0xB1, 0x00)).arg(bwStr));
ui->spanText->setText(tr("%1%2k").arg(QChar(0xB1, 0x00)).arg(spanStr));
ui->scaleMinus->setText("0");
ui->scaleCenter->setText("");
ui->scalePlus->setText(tr("%1").arg(QChar(0xB1, 0x00)));
ui->lsbLabel->setText("");
ui->usbLabel->setText("");
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(2*m_spectrumRate);
ui->glSpectrum->setSsbSpectrum(false);
ui->glSpectrum->setLsbDisplay(false);
}
else
{
ui->BWText->setText(tr("%1k").arg(bwStr));
ui->spanText->setText(tr("%1k").arg(spanStr));
ui->scaleMinus->setText("-");
ui->scaleCenter->setText("0");
ui->scalePlus->setText("+");
ui->lsbLabel->setText("LSB");
ui->usbLabel->setText("USB");
ui->glSpectrum->setCenterFrequency(m_spectrumRate/2);
ui->glSpectrum->setSampleRate(m_spectrumRate);
ui->glSpectrum->setSsbSpectrum(true);
ui->glSpectrum->setLsbDisplay(bw < 0);
}
ui->lowCutText->setText(tr("%1k").arg(lwStr));
ui->BW->blockSignals(true);
ui->lowCut->blockSignals(true);
ui->BW->setMaximum(bwMax);
ui->BW->setMinimum(dsb ? 0 : -bwMax);
ui->BW->setValue(bw);
ui->lowCut->setMaximum(dsb ? 0 : bwMax);
ui->lowCut->setMinimum(dsb ? 0 : -bwMax);
ui->lowCut->setValue(lw);
ui->lowCut->blockSignals(false);
ui->BW->blockSignals(false);
ui->channelPowerMeter->setRange(FreeDVDemodSettings::m_minPowerThresholdDB, 0);
m_settings.m_dsb = dsb;
m_settings.m_spanLog2 = spanLog2;
m_settings.m_rfBandwidth = bw * 100;
m_settings.m_lowCutoff = lw * 100;
applySettings(force);
bool wasBlocked = blockApplySettings(true);
m_channelMarker.setBandwidth(bw * 200);
m_channelMarker.setSidebands(dsb ? ChannelMarker::dsb : bw < 0 ? ChannelMarker::lsb : ChannelMarker::usb);
ui->dsb->setIcon(bw < 0 ? m_iconDSBLSB: m_iconDSBUSB);
if (!dsb) { m_channelMarker.setLowCutoff(lw * 100); }
blockApplySettings(wasBlocked);
}
void FreeDVDemodGUI::displaySettings()
{
m_channelMarker.blockSignals(true);
m_channelMarker.setCenterFrequency(m_settings.m_inputFrequencyOffset);
m_channelMarker.setBandwidth(m_settings.m_rfBandwidth * 2);
m_channelMarker.setTitle(m_settings.m_title);
m_channelMarker.setLowCutoff(m_settings.m_lowCutoff);
ui->flipSidebands->setEnabled(!m_settings.m_dsb);
if (m_settings.m_dsb) {
m_channelMarker.setSidebands(ChannelMarker::dsb);
} else {
if (m_settings.m_rfBandwidth < 0) {
m_channelMarker.setSidebands(ChannelMarker::lsb);
ui->dsb->setIcon(m_iconDSBLSB);
} else {
m_channelMarker.setSidebands(ChannelMarker::usb);
ui->dsb->setIcon(m_iconDSBUSB);
}
}
m_channelMarker.blockSignals(false);
m_channelMarker.setColor(m_settings.m_rgbColor); // activate signal on the last setting only
setTitleColor(m_settings.m_rgbColor);
setWindowTitle(m_channelMarker.getTitle());
blockApplySettings(true);
ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
ui->agc->setChecked(m_settings.m_agc);
ui->agcClamping->setChecked(m_settings.m_agcClamping);
ui->audioBinaural->setChecked(m_settings.m_audioBinaural);
ui->audioFlipChannels->setChecked(m_settings.m_audioFlipChannels);
ui->audioMute->setChecked(m_settings.m_audioMute);
ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
// Prevent uncontrolled triggering of applyBandwidths
ui->spanLog2->blockSignals(true);
ui->dsb->blockSignals(true);
ui->BW->blockSignals(true);
ui->dsb->setChecked(m_settings.m_dsb);
ui->spanLog2->setValue(5 - m_settings.m_spanLog2);
ui->BW->setValue(m_settings.m_rfBandwidth / 100.0);
QString s = QString::number(m_settings.m_rfBandwidth/1000.0, 'f', 1);
if (m_settings.m_dsb)
{
ui->BWText->setText(tr("%1%2k").arg(QChar(0xB1, 0x00)).arg(s));
}
else
{
ui->BWText->setText(tr("%1k").arg(s));
}
ui->spanLog2->blockSignals(false);
ui->dsb->blockSignals(false);
ui->BW->blockSignals(false);
// The only one of the four signals triggering applyBandwidths will trigger it once only with all other values
// set correctly and therefore validate the settings and apply them to dependent widgets
ui->lowCut->setValue(m_settings.m_lowCutoff / 100.0);
ui->lowCutText->setText(tr("%1k").arg(m_settings.m_lowCutoff / 1000.0));
ui->volume->setValue(m_settings.m_volume * 10.0);
ui->volumeText->setText(QString("%1").arg(m_settings.m_volume, 0, 'f', 1));
ui->agcTimeLog2->setValue(m_settings.m_agcTimeLog2);
s = QString::number((1<<ui->agcTimeLog2->value()), 'f', 0);
ui->agcTimeText->setText(s);
ui->agcPowerThreshold->setValue(m_settings.m_agcPowerThreshold);
displayAGCPowerThreshold(ui->agcPowerThreshold->value());
ui->agcThresholdGate->setValue(m_settings.m_agcThresholdGate);
s = QString::number(ui->agcThresholdGate->value(), 'f', 0);
ui->agcThresholdGateText->setText(s);
blockApplySettings(false);
}
void FreeDVDemodGUI::displayAGCPowerThreshold(int value)
{
if (value == FreeDVDemodSettings::m_minPowerThresholdDB)
{
ui->agcPowerThresholdText->setText("---");
}
else
{
QString s = QString::number(value, 'f', 0);
ui->agcPowerThresholdText->setText(s);
}
}
void FreeDVDemodGUI::leaveEvent(QEvent*)
{
m_channelMarker.setHighlighted(false);
}
void FreeDVDemodGUI::enterEvent(QEvent*)
{
m_channelMarker.setHighlighted(true);
}
void FreeDVDemodGUI::audioSelect()
{
qDebug("FreeDVDemodGUI::audioSelect");
AudioSelectDialog audioSelect(DSPEngine::instance()->getAudioDeviceManager(), m_settings.m_audioDeviceName);
audioSelect.exec();
if (audioSelect.m_selected)
{
m_settings.m_audioDeviceName = audioSelect.m_audioDeviceName;
applySettings();
}
}
void FreeDVDemodGUI::tick()
{
double magsqAvg, magsqPeak;
int nbMagsqSamples;
m_freeDVDemod->getMagSqLevels(magsqAvg, magsqPeak, nbMagsqSamples);
double powDbAvg = CalcDb::dbPower(magsqAvg);
double powDbPeak = CalcDb::dbPower(magsqPeak);
ui->channelPowerMeter->levelChanged(
(FreeDVDemodSettings::m_mminPowerThresholdDBf + powDbAvg) / FreeDVDemodSettings::m_mminPowerThresholdDBf,
(FreeDVDemodSettings::m_mminPowerThresholdDBf + powDbPeak) / FreeDVDemodSettings::m_mminPowerThresholdDBf,
nbMagsqSamples);
if (m_tickCount % 4 == 0) {
ui->channelPower->setText(tr("%1 dB").arg(powDbAvg, 0, 'f', 1));
}
bool squelchOpen = m_freeDVDemod->getAudioActive();
if (squelchOpen != m_squelchOpen)
{
if (squelchOpen) {
ui->audioMute->setStyleSheet("QToolButton { background-color : green; }");
} else {
ui->audioMute->setStyleSheet("QToolButton { background:rgb(79,79,79); }");
}
m_squelchOpen = squelchOpen;
}
m_tickCount++;
}

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@ -0,0 +1,120 @@
///////////////////////////////////////////////////////////////////////////////////
// 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 //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FREEDVDEMODGUI_H
#define INCLUDE_FREEDVDEMODGUI_H
#include <QIcon>
#include "plugin/plugininstancegui.h"
#include "gui/rollupwidget.h"
#include "dsp/channelmarker.h"
#include "dsp/movingaverage.h"
#include "util/messagequeue.h"
#include "freedvdemodsettings.h"
class PluginAPI;
class DeviceUISet;
class AudioFifo;
class FreeDVDemod;
class SpectrumVis;
class BasebandSampleSink;
namespace Ui {
class FreeDVDemodGUI;
}
class FreeDVDemodGUI : public RollupWidget, public PluginInstanceGUI {
Q_OBJECT
public:
static FreeDVDemodGUI* create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel);
virtual void destroy();
void setName(const QString& name);
QString getName() const;
virtual qint64 getCenterFrequency() const;
virtual void setCenterFrequency(qint64 centerFrequency);
void resetToDefaults();
QByteArray serialize() const;
bool deserialize(const QByteArray& data);
virtual MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
virtual bool handleMessage(const Message& message);
public slots:
void channelMarkerChangedByCursor();
void channelMarkerHighlightedByCursor();
private:
Ui::FreeDVDemodGUI* ui;
PluginAPI* m_pluginAPI;
DeviceUISet* m_deviceUISet;
ChannelMarker m_channelMarker;
FreeDVDemodSettings m_settings;
bool m_doApplySettings;
int m_spectrumRate;
bool m_audioBinaural;
bool m_audioFlipChannels;
bool m_audioMute;
bool m_squelchOpen;
uint32_t m_tickCount;
FreeDVDemod* m_freeDVDemod;
SpectrumVis* m_spectrumVis;
MessageQueue m_inputMessageQueue;
QIcon m_iconDSBUSB;
QIcon m_iconDSBLSB;
explicit FreeDVDemodGUI(PluginAPI* pluginAPI, DeviceUISet* deviceUISet, BasebandSampleSink *rxChannel, QWidget* parent = 0);
virtual ~FreeDVDemodGUI();
bool blockApplySettings(bool block);
void applySettings(bool force = false);
void applyBandwidths(int spanLog2, bool force = false);
void displaySettings();
void displayAGCPowerThreshold(int value);
void leaveEvent(QEvent*);
void enterEvent(QEvent*);
private slots:
void on_deltaFrequency_changed(qint64 value);
void on_audioBinaural_toggled(bool binaural);
void on_audioFlipChannels_toggled(bool flip);
void on_dsb_toggled(bool dsb);
void on_BW_valueChanged(int value);
void on_lowCut_valueChanged(int value);
void on_volume_valueChanged(int value);
void on_agc_toggled(bool checked);
void on_agcClamping_toggled(bool checked);
void on_agcTimeLog2_valueChanged(int value);
void on_agcPowerThreshold_valueChanged(int value);
void on_agcThresholdGate_valueChanged(int value);
void on_audioMute_toggled(bool checked);
void on_spanLog2_valueChanged(int value);
void on_flipSidebands_clicked(bool checked);
void onWidgetRolled(QWidget* widget, bool rollDown);
void onMenuDialogCalled(const QPoint& p);
void handleInputMessages();
void audioSelect();
void tick();
};
#endif // INCLUDE_FREEDVDEMODGUI_H

View File

@ -0,0 +1,999 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>FreeDVDemodGUI</class>
<widget class="RollupWidget" name="FreeDVDemodGUI">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>412</width>
<height>190</height>
</rect>
</property>
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>412</width>
<height>0</height>
</size>
</property>
<property name="font">
<font>
<family>Liberation Sans</family>
<pointsize>9</pointsize>
</font>
</property>
<property name="windowTitle">
<string>SSB Demodulator</string>
</property>
<widget class="QWidget" name="settingsContainer" native="true">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>410</width>
<height>171</height>
</rect>
</property>
<property name="minimumSize">
<size>
<width>410</width>
<height>0</height>
</size>
</property>
<property name="windowTitle">
<string>Settings</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_2">
<property name="spacing">
<number>3</number>
</property>
<property name="leftMargin">
<number>2</number>
</property>
<property name="topMargin">
<number>2</number>
</property>
<property name="rightMargin">
<number>2</number>
</property>
<property name="bottomMargin">
<number>2</number>
</property>
<item>
<layout class="QHBoxLayout" name="deltaFreqPowLayout">
<property name="topMargin">
<number>2</number>
</property>
<item>
<layout class="QHBoxLayout" name="deltaFrequencyLayout">
<item>
<widget class="QLabel" name="deltaFrequencyLabel">
<property name="minimumSize">
<size>
<width>16</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>Df</string>
</property>
</widget>
</item>
<item>
<widget class="ValueDialZ" name="deltaFrequency" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Maximum" vsizetype="Maximum">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>125</width>
<height>16</height>
</size>
</property>
<property name="font">
<font>
<family>Liberation Mono</family>
<pointsize>12</pointsize>
</font>
</property>
<property name="cursor">
<cursorShape>PointingHandCursor</cursorShape>
</property>
<property name="focusPolicy">
<enum>Qt::StrongFocus</enum>
</property>
<property name="toolTip">
<string>Demod shift frequency from center in Hz</string>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="deltaUnits">
<property name="text">
<string> Hz </string>
</property>
</widget>
</item>
</layout>
</item>
<item>
<spacer name="freqPowSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QLabel" name="channelPower">
<property name="minimumSize">
<size>
<width>60</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string>Channel power</string>
</property>
<property name="layoutDirection">
<enum>Qt::RightToLeft</enum>
</property>
<property name="text">
<string>-100.0 dB</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="Line" name="line">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="audioOptionsLayout">
<item>
<widget class="QToolButton" name="audioBinaural">
<property name="toolTip">
<string>Toggle btw Mono and Binaural I/Q audio</string>
</property>
<property name="text">
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../sdrgui/resources/res.qrc">
<normaloff>:/mono.png</normaloff>
<normalon>:/stereo.png</normalon>:/mono.png</iconset>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QToolButton" name="audioFlipChannels">
<property name="toolTip">
<string>Flip left/right audio channels</string>
</property>
<property name="text">
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../sdrgui/resources/res.qrc">
<normaloff>:/flip_lr.png</normaloff>
<normalon>:/flip_rl.png</normalon>:/flip_lr.png</iconset>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="Line" name="line_4">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="flipSidebands">
<property name="toolTip">
<string>Flip sideband in SSB mode (LSB-&gt;USB or USB-&gt;LSB)</string>
</property>
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../../../sdrgui/resources/res.qrc">
<normaloff>:/flip_sidebands.png</normaloff>:/flip_sidebands.png</iconset>
</property>
</widget>
</item>
<item>
<widget class="QToolButton" name="dsb">
<property name="toolTip">
<string>DSB/SSB toggle</string>
</property>
<property name="text">
<string>...</string>
</property>
<property name="icon">
<iconset resource="../../../sdrgui/resources/res.qrc">
<normaloff>:/usb.png</normaloff>
<normalon>:/dsb.png</normalon>:/usb.png</iconset>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="channelPowerMeterLayout">
<item>
<widget class="QLabel" name="channelPowerMeterUnits">
<property name="text">
<string>dB</string>
</property>
</widget>
</item>
<item>
<widget class="LevelMeterSignalDB" name="channelPowerMeter" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="MinimumExpanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>0</width>
<height>24</height>
</size>
</property>
<property name="font">
<font>
<family>Liberation Mono</family>
<pointsize>8</pointsize>
</font>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="spanLayout">
<item>
<widget class="QLabel" name="spanLabel">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>Span</string>
</property>
</widget>
</item>
<item>
<widget class="QSlider" name="spanLog2">
<property name="toolTip">
<string>Demod frequency span</string>
</property>
<property name="minimum">
<number>0</number>
</property>
<property name="maximum">
<number>4</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>2</number>
</property>
<property name="sliderPosition">
<number>2</number>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="spanText">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>6.0k</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="lowCutLayout">
<item>
<widget class="QLabel" name="lowCutLabel">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>Low cut</string>
</property>
</widget>
</item>
<item>
<widget class="TickedSlider" name="lowCut">
<property name="maximumSize">
<size>
<width>16777215</width>
<height>16</height>
</size>
</property>
<property name="toolTip">
<string>Highpass filter cutoff frequency (SSB)</string>
</property>
<property name="minimum">
<number>-60</number>
</property>
<property name="maximum">
<number>60</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>3</number>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="invertedAppearance">
<bool>false</bool>
</property>
<property name="tickPosition">
<enum>QSlider::NoTicks</enum>
</property>
<property name="tickInterval">
<number>5</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="lowCutText">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>0.3k</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="bqndwidthLayout">
<item>
<widget class="QLabel" name="BWLabel">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>Hi cut</string>
</property>
</widget>
</item>
<item>
<widget class="TickedSlider" name="BW">
<property name="maximumSize">
<size>
<width>16777215</width>
<height>16</height>
</size>
</property>
<property name="toolTip">
<string>Lowpass filter cutoff frequency</string>
</property>
<property name="minimum">
<number>-60</number>
</property>
<property name="maximum">
<number>60</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>30</number>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="tickPosition">
<enum>QSlider::TicksBelow</enum>
</property>
<property name="tickInterval">
<number>5</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="BWText">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>3.0k</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="scaleLayout">
<item>
<widget class="QLabel" name="scalePadLeft">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>10</height>
</size>
</property>
<property name="font">
<font>
<pointsize>8</pointsize>
</font>
</property>
<property name="text">
<string>f: </string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="scaleMinus">
<property name="maximumSize">
<size>
<width>10</width>
<height>10</height>
</size>
</property>
<property name="font">
<font>
<pointsize>8</pointsize>
</font>
</property>
<property name="text">
<string>-</string>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="lsbLabel">
<property name="font">
<font>
<pointsize>8</pointsize>
</font>
</property>
<property name="text">
<string>LSB</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="scaleCenter">
<property name="maximumSize">
<size>
<width>12</width>
<height>10</height>
</size>
</property>
<property name="font">
<font>
<pointsize>8</pointsize>
</font>
</property>
<property name="text">
<string>0</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="usbLabel">
<property name="font">
<font>
<pointsize>8</pointsize>
</font>
</property>
<property name="text">
<string>USB</string>
</property>
<property name="alignment">
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="scalePlus">
<property name="maximumSize">
<size>
<width>10</width>
<height>10</height>
</size>
</property>
<property name="font">
<font>
<pointsize>8</pointsize>
</font>
</property>
<property name="text">
<string>+</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="scalePadRight">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>50</width>
<height>10</height>
</size>
</property>
<property name="text">
<string/>
</property>
</widget>
</item>
</layout>
</item>
<item>
<widget class="Line" name="line_3">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="volumeLayout">
<item>
<widget class="QLabel" name="volumeLabel">
<property name="text">
<string>Vol</string>
</property>
</widget>
</item>
<item>
<widget class="QDial" name="volume">
<property name="minimumSize">
<size>
<width>24</width>
<height>24</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>24</width>
<height>24</height>
</size>
</property>
<property name="pageStep">
<number>1</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="volumeText">
<property name="maximumSize">
<size>
<width>30</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string>2.0</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="Line" name="line_2">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
</widget>
</item>
<item>
<widget class="ButtonSwitch" name="agc">
<property name="toolTip">
<string>Toggle AGC</string>
</property>
<property name="text">
<string>AGC</string>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="ButtonSwitch" name="agcClamping">
<property name="toolTip">
<string>Toggle AGC clamping to maximum allowable signal</string>
</property>
<property name="text">
<string>CL</string>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QDial" name="agcTimeLog2">
<property name="maximumSize">
<size>
<width>24</width>
<height>24</height>
</size>
</property>
<property name="toolTip">
<string>AGC time constant (ms in log2 steps)</string>
</property>
<property name="minimum">
<number>4</number>
</property>
<property name="maximum">
<number>11</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>7</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="agcTimeText">
<property name="minimumSize">
<size>
<width>35</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string>AGC time constant (ms)</string>
</property>
<property name="text">
<string>0000</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QDial" name="agcPowerThreshold">
<property name="maximumSize">
<size>
<width>24</width>
<height>24</height>
</size>
</property>
<property name="toolTip">
<string>Power threshold (dB)</string>
</property>
<property name="minimum">
<number>-120</number>
</property>
<property name="maximum">
<number>0</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>-40</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="agcPowerThresholdText">
<property name="minimumSize">
<size>
<width>26</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string>Power threshold (dB)</string>
</property>
<property name="text">
<string>-000</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<widget class="QDial" name="agcThresholdGate">
<property name="maximumSize">
<size>
<width>24</width>
<height>24</height>
</size>
</property>
<property name="toolTip">
<string>Power threshold gate (ms)</string>
</property>
<property name="maximum">
<number>20</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>4</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="agcThresholdGateText">
<property name="minimumSize">
<size>
<width>16</width>
<height>0</height>
</size>
</property>
<property name="toolTip">
<string>Power threshold gate (ms)</string>
</property>
<property name="text">
<string>00</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QToolButton" name="audioMute">
<property name="toolTip">
<string>Mute/Unmute audio</string>
</property>
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../../../sdrgui/resources/res.qrc">
<normaloff>:/sound_on.png</normaloff>
<normalon>:/sound_off.png</normalon>:/sound_on.png</iconset>
</property>
<property name="checkable">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
<widget class="QWidget" name="spectrumContainer" native="true">
<property name="geometry">
<rect>
<x>10</x>
<y>170</y>
<width>218</width>
<height>284</height>
</rect>
</property>
<property name="windowTitle">
<string>Channel Spectrum</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<property name="spacing">
<number>2</number>
</property>
<property name="leftMargin">
<number>3</number>
</property>
<property name="topMargin">
<number>3</number>
</property>
<property name="rightMargin">
<number>3</number>
</property>
<property name="bottomMargin">
<number>3</number>
</property>
<item>
<widget class="GLSpectrum" name="glSpectrum" native="true">
<property name="minimumSize">
<size>
<width>200</width>
<height>250</height>
</size>
</property>
<property name="font">
<font>
<family>Liberation Mono</family>
<pointsize>8</pointsize>
</font>
</property>
</widget>
</item>
<item>
<widget class="GLSpectrumGUI" name="spectrumGUI" native="true"/>
</item>
</layout>
</widget>
</widget>
<customwidgets>
<customwidget>
<class>RollupWidget</class>
<extends>QWidget</extends>
<header>gui/rollupwidget.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>LevelMeterSignalDB</class>
<extends>QWidget</extends>
<header>gui/levelmeter.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>GLSpectrum</class>
<extends>QWidget</extends>
<header>gui/glspectrum.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>GLSpectrumGUI</class>
<extends>QWidget</extends>
<header>gui/glspectrumgui.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>ValueDialZ</class>
<extends>QWidget</extends>
<header>gui/valuedialz.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>ButtonSwitch</class>
<extends>QToolButton</extends>
<header>gui/buttonswitch.h</header>
</customwidget>
<customwidget>
<class>TickedSlider</class>
<extends>QSlider</extends>
<header>gui/tickedslider.h</header>
</customwidget>
</customwidgets>
<resources>
<include location="../../../sdrgui/resources/res.qrc"/>
</resources>
<connections/>
</ui>

View File

@ -0,0 +1,216 @@
///////////////////////////////////////////////////////////////////////////////////
// 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 //
// //
// 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 <QColor>
#include "dsp/dspengine.h"
#include "util/simpleserializer.h"
#include "settings/serializable.h"
#include "freedvdemodsettings.h"
#ifdef SDR_RX_SAMPLE_24BIT
const int FreeDVDemodSettings::m_minPowerThresholdDB = -120;
const float FreeDVDemodSettings::m_mminPowerThresholdDBf = 120.0f;
#else
const int FreeDVDemodSettings::m_minPowerThresholdDB = -100;
const float FreeDVDemodSettings::m_mminPowerThresholdDBf = 100.0f;
#endif
FreeDVDemodSettings::FreeDVDemodSettings() :
m_channelMarker(0),
m_spectrumGUI(0)
{
resetToDefaults();
}
void FreeDVDemodSettings::resetToDefaults()
{
m_audioBinaural = false;
m_audioFlipChannels = false;
m_dsb = false;
m_audioMute = false;
m_agc = false;
m_agcClamping = false;
m_agcPowerThreshold = -40;
m_agcThresholdGate = 4;
m_agcTimeLog2 = 7;
m_rfBandwidth = 3000;
m_lowCutoff = 300;
m_volume = 3.0;
m_spanLog2 = 3;
m_inputFrequencyOffset = 0;
m_rgbColor = QColor(0, 255, 204).rgb();
m_title = "FreeDV Demodulator";
m_audioDeviceName = AudioDeviceManager::m_defaultDeviceName;
m_freeDVMode = FreeDVMode2400A;
m_useReverseAPI = false;
m_reverseAPIAddress = "127.0.0.1";
m_reverseAPIPort = 8888;
m_reverseAPIDeviceIndex = 0;
m_reverseAPIChannelIndex = 0;
}
QByteArray FreeDVDemodSettings::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_inputFrequencyOffset);
s.writeS32(2, m_rfBandwidth / 100.0);
s.writeS32(3, m_volume * 10.0);
if (m_spectrumGUI) {
s.writeBlob(4, m_spectrumGUI->serialize());
}
s.writeU32(5, m_rgbColor);
s.writeS32(6, m_lowCutoff / 100.0);
s.writeS32(7, m_spanLog2);
s.writeBool(8, m_audioBinaural);
s.writeBool(9, m_audioFlipChannels);
s.writeBool(10, m_dsb);
s.writeBool(11, m_agc);
s.writeS32(12, m_agcTimeLog2);
s.writeS32(13, m_agcPowerThreshold);
s.writeS32(14, m_agcThresholdGate);
s.writeBool(15, m_agcClamping);
s.writeString(16, m_title);
s.writeString(17, m_audioDeviceName);
s.writeBool(18, m_useReverseAPI);
s.writeString(19, m_reverseAPIAddress);
s.writeU32(20, m_reverseAPIPort);
s.writeU32(21, m_reverseAPIDeviceIndex);
s.writeU32(22, m_reverseAPIChannelIndex);
s.writeS32(23, (int) m_freeDVMode);
return s.final();
}
bool FreeDVDemodSettings::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid())
{
resetToDefaults();
return false;
}
if(d.getVersion() == 1)
{
QByteArray bytetmp;
qint32 tmp;
uint32_t utmp;
QString strtmp;
d.readS32(1, &m_inputFrequencyOffset, 0);
d.readS32(2, &tmp, 30);
m_rfBandwidth = tmp * 100.0;
d.readS32(3, &tmp, 30);
m_volume = tmp / 10.0;
if (m_spectrumGUI) {
d.readBlob(4, &bytetmp);
m_spectrumGUI->deserialize(bytetmp);
}
d.readU32(5, &m_rgbColor);
d.readS32(6, &tmp, 30);
m_lowCutoff = tmp * 100.0;
d.readS32(7, &m_spanLog2, 3);
d.readBool(8, &m_audioBinaural, false);
d.readBool(9, &m_audioFlipChannels, false);
d.readBool(10, &m_dsb, false);
d.readBool(11, &m_agc, false);
d.readS32(12, &m_agcTimeLog2, 7);
d.readS32(13, &m_agcPowerThreshold, -40);
d.readS32(14, &m_agcThresholdGate, 4);
d.readBool(15, &m_agcClamping, false);
d.readString(16, &m_title, "SSB Demodulator");
d.readString(17, &m_audioDeviceName, AudioDeviceManager::m_defaultDeviceName);
d.readBool(18, &m_useReverseAPI, false);
d.readString(19, &m_reverseAPIAddress, "127.0.0.1");
d.readU32(20, &utmp, 0);
if ((utmp > 1023) && (utmp < 65535)) {
m_reverseAPIPort = utmp;
} else {
m_reverseAPIPort = 8888;
}
d.readU32(21, &utmp, 0);
m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
d.readU32(22, &utmp, 0);
m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;
d.readS32(23, &tmp, 0);
if ((tmp < 0) || (tmp > (int) FreeDVMode::FreeDVMode700D)) {
m_freeDVMode = FreeDVMode::FreeDVMode2400A;
} else {
m_freeDVMode = (FreeDVMode) tmp;
}
return true;
}
else
{
resetToDefaults();
return false;
}
}
int FreeDVDemodSettings::getHiCutoff(FreeDVMode freeDVMode)
{
switch(freeDVMode)
{
case FreeDVMode800XA: // C4FM NB
return 2400.0;
break;
case FreeDVMode700D: // OFDM
case FreeDVMode1600: // OFDM
return 2200.0;
break;
case FreeDVMode2400A: // C4FM WB
default:
return 6000.0;
break;
}
}
int FreeDVDemodSettings::getLowCutoff(FreeDVMode freeDVMode)
{
switch(freeDVMode)
{
case FreeDVMode800XA: // C4FM NB
return 400.0;
break;
case FreeDVMode700D: // OFDM
case FreeDVMode1600: // OFDM
return 800.0;
break;
case FreeDVMode2400A: // C4FM WB
default:
return 0.0;
break;
}
}
int FreeDVDemodSettings::getModSampleRate(FreeDVMode freeDVMode)
{
if (freeDVMode == FreeDVMode2400A) {
return 48000;
} else {
return 8000;
}
}

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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 //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_CHANNELRX_DEMODFREEDV_FREEDVDEMODSETTINGS_H_
#define PLUGINS_CHANNELRX_DEMODFREEDV_FREEDVDEMODSETTINGS_H_
#include <QByteArray>
#include <QString>
#include <stdint.h>
class Serializable;
struct FreeDVDemodSettings
{
typedef enum
{
FreeDVMode2400A,
FreeDVMode1600,
FreeDVMode800XA,
FreeDVMode700D
} FreeDVMode;
qint32 m_inputFrequencyOffset;
Real m_rfBandwidth;
Real m_lowCutoff;
Real m_volume;
int m_spanLog2;
bool m_audioBinaural;
bool m_audioFlipChannels;
bool m_dsb;
bool m_audioMute;
bool m_agc;
bool m_agcClamping;
int m_agcTimeLog2;
int m_agcPowerThreshold;
int m_agcThresholdGate;
quint32 m_rgbColor;
QString m_title;
QString m_audioDeviceName;
FreeDVMode m_freeDVMode;
bool m_useReverseAPI;
QString m_reverseAPIAddress;
uint16_t m_reverseAPIPort;
uint16_t m_reverseAPIDeviceIndex;
uint16_t m_reverseAPIChannelIndex;
Serializable *m_channelMarker;
Serializable *m_spectrumGUI;
FreeDVDemodSettings();
void resetToDefaults();
void setChannelMarker(Serializable *channelMarker) { m_channelMarker = channelMarker; }
void setSpectrumGUI(Serializable *spectrumGUI) { m_spectrumGUI = spectrumGUI; }
QByteArray serialize() const;
bool deserialize(const QByteArray& data);
static const int m_minPowerThresholdDB;
static const float m_mminPowerThresholdDBf;
static int getHiCutoff(FreeDVMode freeDVMode);
static int getLowCutoff(FreeDVMode freeDVMode);
static int getModSampleRate(FreeDVMode freeDVMode);
};
#endif /* PLUGINS_CHANNELRX_DEMODFREEDV_FREEDVDEMODSETTINGS_H_ */

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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 //
// //
// 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 <QtPlugin>
#include "device/devicesourceapi.h"
#include "plugin/pluginapi.h"
#ifndef SERVER_MODE
#include "freedvdemodgui.h"
#endif
#include "freedvdemod.h"
#include "freedvplugin.h"
const PluginDescriptor FreeDVPlugin::m_pluginDescriptor = {
QString("FreeDV Demodulator"),
QString("4.5.0"),
QString("(c) Edouard Griffiths, F4EXB"),
QString("https://github.com/f4exb/sdrangel"),
true,
QString("https://github.com/f4exb/sdrangel")
};
FreeDVPlugin::FreeDVPlugin(QObject* parent) :
QObject(parent),
m_pluginAPI(0)
{
}
const PluginDescriptor& FreeDVPlugin::getPluginDescriptor() const
{
return m_pluginDescriptor;
}
void FreeDVPlugin::initPlugin(PluginAPI* pluginAPI)
{
m_pluginAPI = pluginAPI;
// register demodulator
m_pluginAPI->registerRxChannel(FreeDVDemod::m_channelIdURI, FreeDVDemod::m_channelId, this);
}
#ifdef SERVER_MODE
PluginInstanceGUI* FreeDVPlugin::createRxChannelGUI(
DeviceUISet *deviceUISet __attribute__((unused)),
BasebandSampleSink *rxChannel __attribute__((unused)))
{
return 0;
}
#else
PluginInstanceGUI* FreeDVPlugin::createRxChannelGUI(DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel)
{
return FreeDVDemodGUI::create(m_pluginAPI, deviceUISet, rxChannel);
}
#endif
BasebandSampleSink* FreeDVPlugin::createRxChannelBS(DeviceSourceAPI *deviceAPI)
{
return new FreeDVDemod(deviceAPI);
}
ChannelSinkAPI* FreeDVPlugin::createRxChannelCS(DeviceSourceAPI *deviceAPI)
{
return new FreeDVDemod(deviceAPI);
}

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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 //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FREEDVPLUGIN_H
#define INCLUDE_FREEDVPLUGIN_H
#include <QObject>
#include "plugin/plugininterface.h"
class DeviceUISet;
class BasebandSampleSink;
class FreeDVPlugin : public QObject, PluginInterface {
Q_OBJECT
Q_INTERFACES(PluginInterface)
Q_PLUGIN_METADATA(IID "sdrangel.channel.freedvdemod")
public:
explicit FreeDVPlugin(QObject* parent = NULL);
const PluginDescriptor& getPluginDescriptor() const;
void initPlugin(PluginAPI* pluginAPI);
virtual PluginInstanceGUI* createRxChannelGUI(DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel);
virtual BasebandSampleSink* createRxChannelBS(DeviceSourceAPI *deviceAPI);
virtual ChannelSinkAPI* createRxChannelCS(DeviceSourceAPI *deviceAPI);
private:
static const PluginDescriptor m_pluginDescriptor;
PluginAPI* m_pluginAPI;
};
#endif // INCLUDE_FREEDVPLUGIN_H

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#include <QPixmap>
#include "ssbdemodgui.h"
#include "ssbdemodgui.h"
#include <device/devicesourceapi.h>