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Code Issues Projects Releases Wiki Activity

Rx plgins: refactoring of classes (3)

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This commit is contained in:
f4exb 2019-12-08 10:09:24 +01:00
parent f1112f64d0
commit 91b24a7c90
33 changed files with 2960 additions and 2000 deletions
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2
plugins/channelrx/demoddatv/datvdemod.h
View File

@ -21,8 +21,6 @@
#define INCLUDE_DATVDEMOD_H
class DeviceAPI;
class ThreadedBasebandSampleSink;
class DownChannelizer;
#include "channel/channelapi.h"
#include "dsp/basebandsamplesink.h"

3
plugins/channelrx/demoddatv/datvdemodgui.h
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@ -33,7 +33,6 @@
class PluginAPI;
class DeviceUISet;
class BasebandSampleSink;
class DownChannelizer;
namespace Ui
{
@ -104,8 +103,6 @@ private:
DeviceUISet* m_deviceUISet;
ChannelMarker m_objChannelMarker;
ThreadedBasebandSampleSink* m_objThreadedChannelizer;
DownChannelizer* m_objChannelizer;
DATVDemod* m_objDATVDemod;
MessageQueue m_inputMessageQueue;
int m_intCenterFrequency;

6
plugins/channelrx/demodfreedv/CMakeLists.txt
View File

@ -1,7 +1,9 @@
project(demodfreedv)
set(freedv_SOURCES
freedvdemod.cpp
freedvdemod.cpp
freedvdemodbaseband.cpp
freedvdemodsink.cpp
freedvdemodsettings.cpp
freedvdemodwebapiadapter.cpp
freedvplugin.cpp
@ -9,6 +11,8 @@ set(freedv_SOURCES
set(freedv_HEADERS
freedvdemod.h
freedvdemodbaseband.h
freedvdemodsink.h
freedvdemodsettings.h
freedvdemodwebapiadapter.h
freedvplugin.h

715
plugins/channelrx/demodfreedv/freedvdemod.cpp
View File

@ -15,26 +15,18 @@
// 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 "codec2/freedv_api.h"
#include "codec2/modem_stats.h"
#include <QThread>
#include "SWGChannelSettings.h"
#include "SWGFreeDVDemodSettings.h"
#include "SWGChannelReport.h"
#include "SWGFreeDVDemodReport.h"
#include "audio/audiooutput.h"
#include "dsp/dspengine.h"
#include "dsp/downchannelizer.h"
#include "dsp/threadedbasebandsamplesink.h"
#include "dsp/dspcommands.h"
#include "dsp/devicesamplemimo.h"
#include "device/deviceapi.h"
@ -44,213 +36,37 @@
MESSAGE_CLASS_DEFINITION(FreeDVDemod::MsgConfigureFreeDVDemod, Message)
MESSAGE_CLASS_DEFINITION(FreeDVDemod::MsgResyncFreeDVDemod, 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::FreeDVStats::FreeDVStats()
{
init();
}
void FreeDVDemod::FreeDVStats::init()
{
m_sync = false;
m_snrEst = -20;
m_clockOffset = 0;
m_freqOffset = 0;
m_syncMetric = 0;
m_totalBitErrors = 0;
m_lastTotalBitErrors = 0;
m_ber = 0;
m_frameCount = 0;
m_berFrameCount = 0;
m_fps = 1;
}
void FreeDVDemod::FreeDVStats::collect(struct freedv *freeDV)
{
struct MODEM_STATS stats;
freedv_get_modem_extended_stats(freeDV, &stats);
m_totalBitErrors = freedv_get_total_bit_errors(freeDV);
m_clockOffset = stats.clock_offset;
m_freqOffset = stats.foff;
m_syncMetric = stats.sync_metric;
m_sync = stats.sync != 0;
m_snrEst = stats.snr_est;
if (m_berFrameCount >= m_fps)
{
m_ber = m_totalBitErrors - m_lastTotalBitErrors;
m_ber = m_ber < 0 ? 0 : m_ber;
m_berFrameCount = 0;
m_lastTotalBitErrors = m_totalBitErrors;
// qDebug("FreeDVStats::collect: demod sync: %s sync metric: %f demod snr: %3.2f dB BER: %d clock offset: %f freq offset: %f",
// m_sync ? "ok" : "ko", m_syncMetric, m_snrEst, m_ber, m_clockOffset, m_freqOffset);
}
m_berFrameCount++;
m_frameCount++;
}
FreeDVDemod::FreeDVSNR::FreeDVSNR()
{
m_sum = 0.0f;
m_peak = 0.0f;
m_n = 0;
m_reset = true;
}
void FreeDVDemod::FreeDVSNR::accumulate(float snrdB)
{
if (m_reset)
{
m_sum = CalcDb::powerFromdB(snrdB);
m_peak = snrdB;
m_n = 1;
m_reset = false;
}
else
{
m_sum += CalcDb::powerFromdB(snrdB);
m_peak = std::max(m_peak, snrdB);
m_n++;
}
}
FreeDVDemod::LevelRMS::LevelRMS()
{
m_sum = 0.0f;
m_peak = 0.0f;
m_n = 0;
m_reset = true;
}
void FreeDVDemod::LevelRMS::accumulate(float level)
{
if (m_reset)
{
m_sum = level * level;
m_peak = std::fabs(level);
m_n = 1;
m_reset = false;
}
else
{
m_sum += level * level;
m_peak = std::max(m_peak, std::fabs(level));
m_n++;
}
}
FreeDVDemod::FreeDVDemod(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_hiCutoff(6000),
m_lowCutoff(0),
m_volume(2),
m_spanLog2(3),
m_sum(fftfilt::cmplx{0,0}),
m_inputSampleRate(48000),
m_modemSampleRate(48000),
m_speechSampleRate(8000), // fixed 8 kS/s
m_inputFrequencyOffset(0),
m_audioMute(false),
m_simpleAGC(0.003f, 0.0f, 1e-6f),
m_agcActive(false),
m_squelchDelayLine(2*48000),
m_audioActive(false),
m_sampleSink(0),
m_audioFifo(24000),
m_freeDV(0),
m_nSpeechSamples(0),
m_nMaxModemSamples(0),
m_iSpeech(0),
m_iModem(0),
m_speechOut(0),
m_modIn(0),
m_levelInNbSamples(480), // 10ms @ 48 kS/s
m_enable(true),
m_settingsMutex(QMutex::Recursive)
m_deviceAPI(deviceAPI)
{
setObjectName(m_channelId);
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifo, getInputMessageQueue());
uint32_t audioSampleRate = DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate();
applyAudioSampleRate(audioSampleRate);
m_thread = new QThread(this);
m_basebandSink = new FreeDVDemodBaseband();
m_basebandSink->moveToThread(m_thread);
m_audioBuffer.resize(1<<14);
m_audioBufferFill = 0;
m_undersampleCount = 0;
applySettings(m_settings, true);
m_magsq = 0.0f;
m_magsqSum = 0.0f;
m_magsqPeak = 0.0f;
m_magsqCount = 0;
m_simpleAGC.resizeNew(m_modemSampleRate/10, 0.003);
SSBFilter = new fftfilt(m_lowCutoff / m_modemSampleRate, m_hiCutoff / m_modemSampleRate, ssbFftLen);
applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
applySettings(m_settings, true);
m_channelizer = new DownChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
m_deviceAPI->addChannelSink(m_threadedChannelizer);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
m_networkManager = new QNetworkAccessManager();
connect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
connect(&m_timer, SIGNAL(timeout()), this, SLOT(timerHandlerFunction()));
}
FreeDVDemod::~FreeDVDemod()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(&m_audioFifo);
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
delete SSBFilter;
}
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);
m_deviceAPI->removeChannelSink(this);
delete m_basebandSink;
delete m_thread;
}
uint32_t FreeDVDemod::getNumberOfDeviceStreams() const
@ -261,157 +77,31 @@ uint32_t FreeDVDemod::getNumberOfDeviceStreams() const
void FreeDVDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly)
{
(void) positiveOnly;
if (!m_freeDV) {
return;
}
Complex ci;
fftfilt::cmplx *sideband;
int n_out;
m_settingsMutex.lock();
if (!m_enable)
{
m_settingsMutex.unlock();
return;
}
int decim = 1<<(m_spanLog2 - 1);
unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)
for(SampleVector::const_iterator it = begin; it < end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if (m_interpolatorDistance < 1.0f) // interpolate
{
while (!m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci))
{
processOneSample(ci);
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
else
{
if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
{
processOneSample(ci);
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
}
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill)
{
qDebug("FreeDVDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
if (m_sampleSink != 0)
{
m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), true);
}
m_sampleBuffer.clear();
m_settingsMutex.unlock();
}
void FreeDVDemod::processOneSample(Complex &ci)
{
fftfilt::cmplx *sideband;
int n_out = 0;
int decim = 1<<(m_spanLog2 - 1);
unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)
n_out = SSBFilter->runSSB(ci, &sideband, true); // always USB side
for (int i = 0; i < n_out; i++)
{
// Downsample by 2^(m_scaleLog2 - 1) for SSB band spectrum display
// smart decimation with bit gain using float arithmetic (23 bits significand)
m_sum += sideband[i];
if (!(m_undersampleCount++ & decim_mask))
{
Real avgr = m_sum.real() / decim;
Real avgi = m_sum.imag() / decim;
m_magsq = (avgr * avgr + avgi * avgi) / (SDR_RX_SCALED*SDR_RX_SCALED);
m_magsqSum += m_magsq;
if (m_magsq > m_magsqPeak)
{
m_magsqPeak = m_magsq;
}
m_magsqCount++;
m_sampleBuffer.push_back(Sample(avgr, avgi));
m_sum.real(0.0);
m_sum.imag(0.0);
}
// fftfilt::cmplx z = sideband[i];
// Real demod = (z.real() + z.imag()) * 0.7;
Real demod = sideband[i].real(); // works as good
if (m_agcActive)
{
m_simpleAGC.feed(demod);
demod *= (m_settings.m_volumeIn * 3276.8f) / m_simpleAGC.getValue(); // provision for peak to average ratio (here 10) compensated by m_volumeIn
// if (i == 0) {
// qDebug("FreeDVDemod::feed: m_simpleAGC: %f", m_simpleAGC.getValue());
// }
}
else
{
demod *= m_settings.m_volumeIn;
}
pushSampleToDV((qint16) demod);
}
m_basebandSink->feed(begin, end);
}
void FreeDVDemod::start()
{
applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
qDebug() << "FreeDVDemod::start";
if (m_basebandSampleRate != 0) {
m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
}
m_basebandSink->reset();
m_thread->start();
}
void FreeDVDemod::stop()
{
qDebug() << "FreeDVDemod::stop";
m_thread->exit();
m_thread->wait();
}
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))
if (MsgConfigureFreeDVDemod::match(cmd))
{
MsgConfigureFreeDVDemod& cfg = (MsgConfigureFreeDVDemod&) cmd;
qDebug("FreeDVDemod::handleMessage: MsgConfigureFreeDVDemod");
@ -423,292 +113,28 @@ bool FreeDVDemod::handleMessage(const Message& cmd)
else if (MsgResyncFreeDVDemod::match(cmd))
{
qDebug("FreeDVDemod::handleMessage: MsgResyncFreeDVDemod");
m_settingsMutex.lock();
freedv_set_sync(m_freeDV, FREEDV_SYNC_UNSYNC);
m_settingsMutex.unlock();
return true;
}
else if (BasebandSampleSink::MsgThreadedSink::match(cmd))
{
BasebandSampleSink::MsgThreadedSink& cfg = (BasebandSampleSink::MsgThreadedSink&) cmd;
const QThread *thread = cfg.getThread();
qDebug("FreeDVDemod::handleMessage: BasebandSampleSink::MsgThreadedSink: %p", thread);
return true;
}
else if (DSPConfigureAudio::match(cmd))
{
DSPConfigureAudio& cfg = (DSPConfigureAudio&) cmd;
uint32_t sampleRate = cfg.getSampleRate();
qDebug() << "FreeDVDemod::handleMessage: DSPConfigureAudio:"
<< " sampleRate: " << sampleRate;
if (sampleRate != m_audioSampleRate) {
applyAudioSampleRate(sampleRate);
}
FreeDVDemodBaseband::MsgResyncFreeDVDemod *msg = FreeDVDemodBaseband::MsgResyncFreeDVDemod::create();
m_basebandSink->getInputMessageQueue()->push(msg);
return true;
}
else if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
m_basebandSampleRate = notif.getSampleRate();
// Forward to the sink
DSPSignalNotification* rep = new DSPSignalNotification(notif); // make a copy
qDebug() << "FreeDVDemod::handleMessage: DSPSignalNotification";
m_basebandSink->getInputMessageQueue()->push(rep);
return true;
}
else
{
if(m_sampleSink != 0)
{
return m_sampleSink->handleMessage(cmd);
}
else
{
return false;
}
return false;
}
}
void FreeDVDemod::pushSampleToDV(int16_t sample)
{
qint16 audioSample;
if (m_levelIn.m_n >= m_levelInNbSamples)
{
qreal rmsLevel = sqrt(m_levelIn.m_sum / m_levelInNbSamples);
// qDebug("FreeDVDemod::pushSampleToDV: rmsLevel: %f m_peak: %f m_levelInNbSamples: %d",
// rmsLevel, m_levelIn.m_peak, m_levelInNbSamples);
emit levelInChanged(rmsLevel, m_levelIn.m_peak, m_levelInNbSamples);
m_levelIn.m_reset = true;
}
m_levelIn.accumulate(sample/29491.2f); // scale on 90% (0.9 * 32768.0)
if (m_iModem == m_nin)
{
int nout = freedv_rx(m_freeDV, m_speechOut, m_modIn);
m_freeDVStats.collect(m_freeDV);
m_freeDVSNR.accumulate(m_freeDVStats.m_snrEst);
if (m_settings.m_audioMute)
{
for (uint32_t i = 0; i < nout * m_audioResampler.getDecimation(); i++) {
pushSampleToAudio(0);
}
}
else
{
for (int i = 0; i < nout; i++)
{
while (!m_audioResampler.upSample(m_speechOut[i], audioSample)) {
pushSampleToAudio(audioSample);
}
pushSampleToAudio(audioSample);
}
}
m_iModem = 0;
m_iSpeech = 0;
}
m_modIn[m_iModem++] = sample;
}
void FreeDVDemod::pushSampleToAudio(int16_t sample)
{
m_audioBuffer[m_audioBufferFill].l = sample * m_volume;
m_audioBuffer[m_audioBufferFill].r = sample * m_volume;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill) {
qDebug("FreeDVDemod::pushSampleToAudio: %u/%u samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
}
}
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_hiCutoff * 1.5f, 2.0f);
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) inputSampleRate / (Real) m_modemSampleRate;
m_settingsMutex.unlock();
}
m_inputSampleRate = inputSampleRate;
m_inputFrequencyOffset = inputFrequencyOffset;
}
void FreeDVDemod::applyAudioSampleRate(int sampleRate)
{
qDebug("FreeDVDemod::applyAudioSampleRate: %d", sampleRate);
m_settingsMutex.lock();
m_audioFifo.setSize(sampleRate);
m_audioResampler.setDecimation(sampleRate / m_speechSampleRate);
m_audioResampler.setAudioFilters(sampleRate, sampleRate, 250, 3300, 4.0f);
m_settingsMutex.unlock();
m_audioSampleRate = sampleRate;
}
void FreeDVDemod::applyFreeDVMode(FreeDVDemodSettings::FreeDVMode mode)
{
m_hiCutoff = FreeDVDemodSettings::getHiCutoff(mode);
m_lowCutoff = FreeDVDemodSettings::getLowCutoff(mode);
uint32_t modemSampleRate = FreeDVDemodSettings::getModSampleRate(mode);
m_settingsMutex.lock();
SSBFilter->create_filter(m_lowCutoff / (float) modemSampleRate, m_hiCutoff / (float) modemSampleRate);
// baseband interpolator
if (modemSampleRate != m_modemSampleRate)
{
MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
modemSampleRate, m_settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(channelConfigMsg);
m_interpolatorDistanceRemain = 0;
//m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) m_inputSampleRate / (Real) modemSampleRate;
m_interpolator.create(16, m_inputSampleRate, m_hiCutoff * 1.5f, 2.0f);
m_modemSampleRate = modemSampleRate;
m_simpleAGC.resizeNew(modemSampleRate/10, 0.003);
m_levelInNbSamples = m_modemSampleRate / 100; // 10ms
if (getMessageQueueToGUI())
{
DSPConfigureAudio *cfg = new DSPConfigureAudio(m_modemSampleRate, DSPConfigureAudio::AudioOutput);
getMessageQueueToGUI()->push(cfg);
}
}
// FreeDV object
if (m_freeDV) {
freedv_close(m_freeDV);
}
int fdv_mode = -1;
switch(mode)
{
case FreeDVDemodSettings::FreeDVMode700C:
fdv_mode = FREEDV_MODE_700C;
break;
case FreeDVDemodSettings::FreeDVMode700D:
fdv_mode = FREEDV_MODE_700D;
break;
case FreeDVDemodSettings::FreeDVMode800XA:
fdv_mode = FREEDV_MODE_800XA;
break;
case FreeDVDemodSettings::FreeDVMode1600:
fdv_mode = FREEDV_MODE_1600;
break;
case FreeDVDemodSettings::FreeDVMode2400A:
default:
fdv_mode = FREEDV_MODE_2400A;
break;
}
if (fdv_mode == FREEDV_MODE_700D)
{
struct freedv_advanced adv;
adv.interleave_frames = 1;
m_freeDV = freedv_open_advanced(fdv_mode, &adv);
}
else
{
m_freeDV = freedv_open(fdv_mode);
}
if (m_freeDV)
{
freedv_set_test_frames(m_freeDV, 0);
freedv_set_snr_squelch_thresh(m_freeDV, -100.0);
freedv_set_squelch_en(m_freeDV, 0);
freedv_set_clip(m_freeDV, 0);
freedv_set_ext_vco(m_freeDV, 0);
freedv_set_sync(m_freeDV, FREEDV_SYNC_MANUAL);
freedv_set_callback_txt(m_freeDV, nullptr, nullptr, nullptr);
freedv_set_callback_protocol(m_freeDV, nullptr, nullptr, nullptr);
freedv_set_callback_data(m_freeDV, nullptr, nullptr, nullptr);
int nSpeechSamples = freedv_get_n_speech_samples(m_freeDV);
int nMaxModemSamples = freedv_get_n_max_modem_samples(m_freeDV);
int Fs = freedv_get_modem_sample_rate(m_freeDV);
int Rs = freedv_get_modem_symbol_rate(m_freeDV);
m_freeDVStats.init();
if (nSpeechSamples > m_nSpeechSamples)
{
if (m_speechOut) {
delete[] m_speechOut;
}
m_speechOut = new int16_t[nSpeechSamples];
m_nSpeechSamples = nSpeechSamples;
}
if (nMaxModemSamples > m_nMaxModemSamples)
{
if (m_modIn) {
delete[] m_modIn;
}
m_modIn = new int16_t[nMaxModemSamples];
m_nMaxModemSamples = nMaxModemSamples;
}
m_iSpeech = 0;
m_iModem = 0;
m_nin = freedv_nin(m_freeDV);
if (m_nin > 0) {
m_freeDVStats.m_fps = m_modemSampleRate / m_nin;
}
qDebug() << "FreeDVMod::applyFreeDVMode:"
<< " fdv_mode: " << fdv_mode
<< " m_modemSampleRate: " << m_modemSampleRate
<< " m_lowCutoff: " << m_lowCutoff
<< " m_hiCutoff: " << m_hiCutoff
<< " Fs: " << Fs
<< " Rs: " << Rs
<< " m_nSpeechSamples: " << m_nSpeechSamples
<< " m_nMaxModemSamples: " << m_nMaxModemSamples
<< " m_nin: " << m_nin
<< " FPS: " << m_freeDVStats.m_fps;
}
else
{
qCritical("FreeDVMod::applyFreeDVMode: m_freeDV was not allocated");
}
m_enable = false;
m_timer.setSingleShot(true);
m_timer.start(2000);
m_settingsMutex.unlock();
}
void FreeDVDemod::applySettings(const FreeDVDemodSettings& settings, bool force)
{
@ -734,32 +160,15 @@ void FreeDVDemod::applySettings(const FreeDVDemodSettings& settings, bool force)
if((m_settings.m_inputFrequencyOffset != settings.m_inputFrequencyOffset) || force) {
reverseAPIKeys.append("inputFrequencyOffset");
}
if ((m_settings.m_volume != settings.m_volume) || force)
{
if ((m_settings.m_volume != settings.m_volume) || force) {
reverseAPIKeys.append("volume");
m_volume = settings.m_volume;
m_volume /= 4.0; // for 3276.8
}
if ((m_settings.m_volumeIn != settings.m_volumeIn) || force)
{
if ((m_settings.m_volumeIn != settings.m_volumeIn) || force) {
reverseAPIKeys.append("volumeIn");
}
if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
{
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");
}
@ -769,30 +178,22 @@ void FreeDVDemod::applySettings(const FreeDVDemodSettings& settings, bool force)
if ((m_settings.m_agc != settings.m_agc) || force) {
reverseAPIKeys.append("agc");
}
if ((settings.m_freeDVMode != m_settings.m_freeDVMode) || force) {
applyFreeDVMode(settings.m_freeDVMode);
}
m_spanLog2 = settings.m_spanLog2;
m_audioMute = settings.m_audioMute;
m_agcActive = settings.m_agc;
if (m_settings.m_streamIndex != settings.m_streamIndex)
{
if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
{
m_deviceAPI->removeChannelSinkAPI(this, m_settings.m_streamIndex);
m_deviceAPI->removeChannelSink(m_threadedChannelizer, m_settings.m_streamIndex);
m_deviceAPI->addChannelSink(m_threadedChannelizer, settings.m_streamIndex);
m_deviceAPI->removeChannelSink(this, m_settings.m_streamIndex);
m_deviceAPI->addChannelSink(this, settings.m_streamIndex);
m_deviceAPI->addChannelSinkAPI(this, settings.m_streamIndex);
// apply stream sample rate to itself
applyChannelSettings(m_deviceAPI->getSampleMIMO()->getSourceSampleRate(settings.m_streamIndex), m_inputFrequencyOffset);
}
reverseAPIKeys.append("streamIndex");
}
FreeDVDemodBaseband::MsgConfigureFreeDVDemodBaseband *msg = FreeDVDemodBaseband::MsgConfigureFreeDVDemodBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
if (settings.m_useReverseAPI)
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
@ -806,23 +207,6 @@ void FreeDVDemod::applySettings(const FreeDVDemodSettings& settings, bool force)
m_settings = settings;
}
void FreeDVDemod::getSNRLevels(double& avg, double& peak, int& nbSamples)
{
if (m_freeDVSNR.m_n > 0)
{
avg = CalcDb::dbPower(m_freeDVSNR.m_sum / m_freeDVSNR.m_n);
peak = m_freeDVSNR.m_peak;
nbSamples = m_freeDVSNR.m_n;
m_freeDVSNR.m_reset = true;
}
else
{
avg = 0.0;
peak = 0.0;
nbSamples = 1;
}
}
QByteArray FreeDVDemod::serialize() const
{
return m_settings.serialize();
@ -866,13 +250,6 @@ int FreeDVDemod::webapiSettingsPutPatch(
FreeDVDemodSettings settings = m_settings;
webapiUpdateChannelSettings(settings, channelSettingsKeys, response);
if (settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset)
{
MsgConfigureChannelizer* channelConfigMsg = MsgConfigureChannelizer::create(
m_modemSampleRate, settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(channelConfigMsg);
}
MsgConfigureFreeDVDemod *msg = MsgConfigureFreeDVDemod::create(settings, force);
m_inputMessageQueue.push(msg);
@ -999,9 +376,9 @@ void FreeDVDemod::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& respo
getMagSqLevels(magsqAvg, magsqPeak, nbMagsqSamples);
response.getFreeDvDemodReport()->setChannelPowerDb(CalcDb::dbPower(magsqAvg));
response.getFreeDvDemodReport()->setSquelch(m_audioActive ? 1 : 0);
response.getFreeDvDemodReport()->setAudioSampleRate(m_audioSampleRate);
response.getFreeDvDemodReport()->setChannelSampleRate(m_inputSampleRate);
response.getFreeDvDemodReport()->setSquelch(getAudioActive() ? 1 : 0);
response.getFreeDvDemodReport()->setAudioSampleRate(getAudioSampleRate());
response.getFreeDvDemodReport()->setChannelSampleRate(m_basebandSink->getChannelSampleRate());
}
void FreeDVDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreeDVDemodSettings& settings, bool force)
@ -1091,7 +468,7 @@ void FreeDVDemod::networkManagerFinished(QNetworkReply *reply)
reply->deleteLater();
}
void FreeDVDemod::timerHandlerFunction()
void FreeDVDemod::setLevelMeter(QObject *levelMeter)
{
m_enable = true;
connect(m_basebandSink, SIGNAL(levelChanged(qreal, qreal, int)), levelMeter, SLOT(levelChanged(qreal, qreal, int)));
}

314
plugins/channelrx/demodfreedv/freedvdemod.h
View File

@ -20,33 +20,19 @@
#include <vector>
#include <QTimer>
#include <QMutex>
#include <QNetworkRequest>
#include "dsp/basebandsamplesink.h"
#include "channel/channelapi.h"
#include "dsp/ncof.h"
#include "dsp/interpolator.h"
#include "dsp/fftfilt.h"
#include "dsp/agc.h"
#include "audio/audiofifo.h"
#include "audio/audioresampler.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
#include "freedvdemodbaseband.h"
class QNetworkAccessManager;
class QNetworkReply;
class DeviceAPI;
class ThreadedBasebandSampleSink;
class DownChannelizer;
struct freedv;
class QThread;
class FreeDVDemod : public BasebandSampleSink, public ChannelAPI {
Q_OBJECT
@ -87,48 +73,10 @@ public:
{}
};
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(DeviceAPI *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);
void setSampleSink(BasebandSampleSink* spectrumSink) { m_basebandSink->setSpectrumSink(spectrumSink); }
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
virtual void start();
@ -152,33 +100,16 @@ public:
return m_settings.m_inputFrequencyOffset;
}
uint32_t getAudioSampleRate() const { return m_audioSampleRate; }
uint32_t getModemSampleRate() const { return m_modemSampleRate; }
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;
}
void getSNRLevels(double& avg, double& peak, int& nbSamples);
int getBER() const { return m_freeDVStats.m_ber; }
float getFrequencyOffset() const { return m_freeDVStats.m_freqOffset; }
bool isSync() const { return m_freeDVStats.m_sync; }
uint32_t getAudioSampleRate() const { return m_basebandSink->getAudioSampleRate(); }
uint32_t getModemSampleRate() const { return m_basebandSink->getModemSampleRate(); }
double getMagSq() const { return m_basebandSink->getMagSq(); }
bool getAudioActive() const { return m_basebandSink->getAudioActive(); }
void getMagSqLevels(double& avg, double& peak, int& nbSamples) { m_basebandSink->getMagSqLevels(avg, peak, nbSamples); }
void getSNRLevels(double& avg, double& peak, int& nbSamples) { m_basebandSink->getSNRLevels(avg, peak, nbSamples); }
int getBER() const { return m_basebandSink->getBER(); }
float getFrequencyOffset() const { return m_basebandSink->getFrequencyOffset(); }
bool isSync() const { return m_basebandSink->isSync(); }
void propagateMessageQueueToGUI() { m_basebandSink->setMessageQueueToGUI(getMessageQueueToGUI()); }
virtual int webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
@ -204,238 +135,27 @@ public:
SWGSDRangel::SWGChannelSettings& response);
uint32_t getNumberOfDeviceStreams() const;
void setLevelMeter(QObject *levelMeter);
static const QString m_channelIdURI;
static const QString m_channelId;
signals:
/**
* Level changed
* \param rmsLevel RMS level in range 0.0 - 1.0
* \param peakLevel Peak level in range 0.0 - 1.0
* \param numSamples Number of audio samples analyzed
*/
void levelInChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
private:
struct MagSqLevelsStore
{
MagSqLevelsStore() :
m_magsq(1e-12),
m_magsqPeak(1e-12)
{}
double m_magsq;
double m_magsqPeak;
};
struct FreeDVStats
{
FreeDVStats();
void init();
void collect(struct freedv *freedv);
bool m_sync;
float m_snrEst;
float m_clockOffset;
float m_freqOffset;
float m_syncMetric;
int m_totalBitErrors;
int m_lastTotalBitErrors;
int m_ber; //!< estimated BER (b/s)
uint32_t m_frameCount;
uint32_t m_berFrameCount; //!< count of frames for BER estimation
uint32_t m_fps; //!< frames per second
};
struct FreeDVSNR
{
FreeDVSNR();
void accumulate(float snrdB);
double m_sum;
float m_peak;
int m_n;
bool m_reset;
};
struct LevelRMS
{
LevelRMS();
void accumulate(float fsample);
double m_sum;
float m_peak;
int m_n;
bool m_reset;
};
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)
{ }
};
DeviceAPI *m_deviceAPI;
ThreadedBasebandSampleSink* m_threadedChannelizer;
DownChannelizer* m_channelizer;
QThread *m_thread;
FreeDVDemodBaseband *m_basebandSink;
FreeDVDemodSettings m_settings;
Real m_hiCutoff;
Real m_lowCutoff;
Real m_volume;
int m_spanLog2;
fftfilt::cmplx m_sum;
int m_undersampleCount;
int m_inputSampleRate;
uint32_t m_modemSampleRate;
uint32_t m_speechSampleRate;
uint32_t m_audioSampleRate;
int m_inputFrequencyOffset;
bool m_audioMute;
double m_magsq;
double m_magsqSum;
double m_magsqPeak;
int m_magsqCount;
MagSqLevelsStore m_magSqLevelStore;
SimpleAGC<4800> m_simpleAGC;
bool m_agcActive;
DoubleBufferFIFO<fftfilt::cmplx> m_squelchDelayLine;
bool m_audioActive; //!< True if an audio signal is produced (no AGC or AGC and above threshold)
NCOF m_nco;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
fftfilt* SSBFilter;
BasebandSampleSink* m_sampleSink;
SampleVector m_sampleBuffer;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
AudioFifo m_audioFifo;
int m_basebandSampleRate; //!< stored from device message used when starting baseband sink
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
struct freedv *m_freeDV;
int m_nSpeechSamples;
int m_nMaxModemSamples;
int m_nin;
int m_iSpeech;
int m_iModem;
int16_t *m_speechOut;
int16_t *m_modIn;
AudioResampler m_audioResampler;
FreeDVStats m_freeDVStats;
FreeDVSNR m_freeDVSNR;
LevelRMS m_levelIn;
int m_levelInNbSamples;
QTimer m_timer;
bool m_enable;
QMutex m_settingsMutex;
void pushSampleToDV(int16_t sample);
void pushSampleToAudio(int16_t sample);
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = false);
void applySettings(const FreeDVDemodSettings& settings, bool force = false);
void applyAudioSampleRate(int sampleRate);
void applyFreeDVMode(FreeDVDemodSettings::FreeDVMode mode);
void processOneSample(Complex &ci);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const FreeDVDemodSettings& settings, bool force);
private slots:
void networkManagerFinished(QNetworkReply *reply);
void timerHandlerFunction();
};
#endif // INCLUDE_FREEDVDEMOD_H

203
plugins/channelrx/demodfreedv/freedvdemodbaseband.cpp Normal file
View File

@ -0,0 +1,203 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "dsp/downsamplechannelizer.h"
#include "freedvdemodbaseband.h"
MESSAGE_CLASS_DEFINITION(FreeDVDemodBaseband::MsgConfigureFreeDVDemodBaseband, Message)
MESSAGE_CLASS_DEFINITION(FreeDVDemodBaseband::MsgResyncFreeDVDemod, Message)
FreeDVDemodBaseband::FreeDVDemodBaseband() :
m_mutex(QMutex::Recursive),
m_messageQueueToGUI(nullptr)
{
qDebug("FreeDVDemodBaseband::FreeDVDemodBaseband");
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
m_channelizer = new DownSampleChannelizer(&m_sink);
QObject::connect(
&m_sampleFifo,
&SampleSinkFifo::dataReady,
this,
&FreeDVDemodBaseband::handleData,
Qt::QueuedConnection
);
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(m_sink.getAudioFifo(), getInputMessageQueue());
m_sink.applyAudioSampleRate(DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate());
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
FreeDVDemodBaseband::~FreeDVDemodBaseband()
{
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_sink.getAudioFifo());
delete m_channelizer;
}
void FreeDVDemodBaseband::reset()
{
QMutexLocker mutexLocker(&m_mutex);
m_sampleFifo.reset();
}
void FreeDVDemodBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
m_sampleFifo.write(begin, end);
}
void FreeDVDemodBaseband::handleData()
{
QMutexLocker mutexLocker(&m_mutex);
while ((m_sampleFifo.fill() > 0) && (m_inputMessageQueue.size() == 0))
{
SampleVector::iterator part1begin;
SampleVector::iterator part1end;
SampleVector::iterator part2begin;
SampleVector::iterator part2end;
std::size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
// first part of FIFO data
if (part1begin != part1end) {
m_channelizer->feed(part1begin, part1end);
}
// second part of FIFO data (used when block wraps around)
if(part2begin != part2end) {
m_channelizer->feed(part2begin, part2end);
}
m_sampleFifo.readCommit((unsigned int) count);
}
qreal rmsLevel, peakLevel;
int numSamples;
m_sink.getLevels(rmsLevel, peakLevel, numSamples);
emit levelChanged(rmsLevel, peakLevel, numSamples);
}
void FreeDVDemodBaseband::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (handleMessage(*message)) {
delete message;
}
}
}
bool FreeDVDemodBaseband::handleMessage(const Message& cmd)
{
if (MsgConfigureFreeDVDemodBaseband::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
qDebug() << "FreeDVDemodBaseband::handleMessage: MsgConfigureFreeDVDemodBaseband";
MsgConfigureFreeDVDemodBaseband& cfg = (MsgConfigureFreeDVDemodBaseband&) cmd;
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (DSPSignalNotification::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
qDebug() << "DSDDemodBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate();
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(notif.getSampleRate()));
m_channelizer->setBasebandSampleRate(notif.getSampleRate());
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
return true;
}
else if (MsgResyncFreeDVDemod::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
qDebug() << "FreeDVDemodBaseband::handleMessage: MsgResyncFreeDVDemod";
m_sink.resyncFreeDV();
return true;
}
else
{
return false;
}
}
void FreeDVDemodBaseband::applySettings(const FreeDVDemodSettings& settings, bool force)
{
if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force)
{
m_channelizer->setChannelization(m_sink.getModemSampleRate(), settings.m_inputFrequencyOffset);
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
}
if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
{
AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
int audioDeviceIndex = audioDeviceManager->getOutputDeviceIndex(settings.m_audioDeviceName);
//qDebug("AMDemod::applySettings: audioDeviceName: %s audioDeviceIndex: %d", qPrintable(settings.m_audioDeviceName), audioDeviceIndex);
audioDeviceManager->addAudioSink(m_sink.getAudioFifo(), getInputMessageQueue(), audioDeviceIndex);
uint32_t audioSampleRate = audioDeviceManager->getOutputSampleRate(audioDeviceIndex);
if (m_sink.getAudioSampleRate() != audioSampleRate) {
m_sink.applyAudioSampleRate(audioSampleRate);
}
}
if ((settings.m_freeDVMode != m_settings.m_freeDVMode) || force)
{
uint32_t modemSampleRate = FreeDVDemodSettings::getModSampleRate(settings.m_freeDVMode);
if (m_sink.getModemSampleRate() != modemSampleRate)
{
m_channelizer->setChannelization(m_sink.getModemSampleRate(), settings.m_inputFrequencyOffset);
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
if (getMessageQueueToGUI())
{
DSPConfigureAudio *cfg = new DSPConfigureAudio(modemSampleRate, DSPConfigureAudio::AudioOutput);
getMessageQueueToGUI()->push(cfg);
}
}
m_sink.applyFreeDVMode(settings.m_freeDVMode);
}
m_sink.applySettings(settings, force);
m_settings = settings;
}
int FreeDVDemodBaseband::getChannelSampleRate() const
{
return m_channelizer->getChannelSampleRate();
}
void FreeDVDemodBaseband::setBasebandSampleRate(int sampleRate)
{
m_channelizer->setBasebandSampleRate(sampleRate);
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
}

120
plugins/channelrx/demodfreedv/freedvdemodbaseband.h Normal file
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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 //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FREEDVDEMODBASEBAND_H
#define INCLUDE_FREEDVDEMODBASEBAND_H
#include <QObject>
#include <QMutex>
#include "dsp/samplesinkfifo.h"
#include "util/message.h"
#include "util/messagequeue.h"
#include "freedvdemodsink.h"
class DownSampleChannelizer;
class FreeDVDemodBaseband : public QObject
{
Q_OBJECT
public:
class MsgConfigureFreeDVDemodBaseband : public Message {
MESSAGE_CLASS_DECLARATION
public:
const FreeDVDemodSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureFreeDVDemodBaseband* create(const FreeDVDemodSettings& settings, bool force)
{
return new MsgConfigureFreeDVDemodBaseband(settings, force);
}
private:
FreeDVDemodSettings m_settings;
bool m_force;
MsgConfigureFreeDVDemodBaseband(const FreeDVDemodSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
class MsgResyncFreeDVDemod : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgResyncFreeDVDemod* create() {
return new MsgResyncFreeDVDemod();
}
private:
MsgResyncFreeDVDemod()
{}
};
FreeDVDemodBaseband();
~FreeDVDemodBaseband();
void reset();
void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
int getChannelSampleRate() const;
unsigned int getAudioSampleRate() const { return m_sink.getAudioSampleRate(); }
double getMagSq() { return m_sink.getMagSq(); }
void getMagSqLevels(double& avg, double& peak, int& nbSamples) { m_sink.getMagSqLevels(avg, peak, nbSamples); }
void setBasebandSampleRate(int sampleRate);
void setMessageQueueToGUI(MessageQueue *messageQueue) { m_messageQueueToGUI = messageQueue; }
void setSpectrumSink(BasebandSampleSink* spectrumSink) { m_sink.setSpectrumSink(spectrumSink); }
uint32_t getModemSampleRate() const { return m_sink.getModemSampleRate(); }
double getMagSq() const { return m_sink.getMagSq(); }
bool getAudioActive() const { return m_sink.getAudioActive(); }
void getSNRLevels(double& avg, double& peak, int& nbSamples) { m_sink.getSNRLevels(avg, peak, nbSamples); }
int getBER() const { return m_sink.getBER(); }
float getFrequencyOffset() const { return m_sink.getFrequencyOffset(); }
bool isSync() const { return m_sink.isSync(); }
signals:
/**
* Level changed
* \param rmsLevel RMS level in range 0.0 - 1.0
* \param peakLevel Peak level in range 0.0 - 1.0
* \param numSamples Number of samples analyzed
*/
void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
private:
SampleSinkFifo m_sampleFifo;
DownSampleChannelizer *m_channelizer;
FreeDVDemodSink m_sink;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
FreeDVDemodSettings m_settings;
QMutex m_mutex;
MessageQueue *m_messageQueueToGUI;
MessageQueue *getMessageQueueToGUI() { return m_messageQueueToGUI; }
bool handleMessage(const Message& cmd);
void applySettings(const FreeDVDemodSettings& settings, bool force = false);
private slots:
void handleInputMessages();
void handleData(); //!< Handle data when samples have to be processed
};
#endif // INCLUDE_DSDDEMODBASEBAND_H

7
plugins/channelrx/demodfreedv/freedvdemodgui.cpp
View File

@ -279,6 +279,7 @@ FreeDVDemodGUI::FreeDVDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
m_freeDVDemod = (FreeDVDemod*) rxChannel;
m_freeDVDemod->setSampleSink(m_spectrumVis);
m_freeDVDemod->setMessageQueueToGUI(getInputMessageQueue());
m_freeDVDemod->propagateMessageQueueToGUI();
resetToDefaults();
@ -314,7 +315,7 @@ FreeDVDemodGUI::FreeDVDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
connect(&m_channelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor()));
connect(&m_channelMarker, SIGNAL(highlightedByCursor()), this, SLOT(channelMarkerHighlightedByCursor()));
connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
connect(m_freeDVDemod, SIGNAL(levelInChanged(qreal, qreal, int)), ui->volumeInMeter, SLOT(levelChanged(qreal, qreal, int)));
m_freeDVDemod->setLevelMeter(ui->volumeInMeter);
ui->spectrumGUI->setBuddies(m_spectrumVis->getInputMessageQueue(), m_spectrumVis, ui->glSpectrum);
@ -346,10 +347,6 @@ 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);
}

565
plugins/channelrx/demodfreedv/freedvdemodsink.cpp Normal file
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@ -0,0 +1,565 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include "codec2/freedv_api.h"
#include "codec2/modem_stats.h"
#include "dsp/basebandsamplesink.h"
#include "audio/audiooutput.h"
#include "util/db.h"
#include "freedvdemodsink.h"
const unsigned int FreeDVDemodSink::m_ssbFftLen = 1024;
const float FreeDVDemodSink::m_agcTarget = 3276.8f; // -10 dB amplitude => -20 dB power: center of normal signal
FreeDVDemodSink::FreeDVStats::FreeDVStats()
{
init();
}
void FreeDVDemodSink::FreeDVStats::init()
{
m_sync = false;
m_snrEst = -20;
m_clockOffset = 0;
m_freqOffset = 0;
m_syncMetric = 0;
m_totalBitErrors = 0;
m_lastTotalBitErrors = 0;
m_ber = 0;
m_frameCount = 0;
m_berFrameCount = 0;
m_fps = 1;
}
void FreeDVDemodSink::FreeDVStats::collect(struct freedv *freeDV)
{
struct MODEM_STATS stats;
freedv_get_modem_extended_stats(freeDV, &stats);
m_totalBitErrors = freedv_get_total_bit_errors(freeDV);
m_clockOffset = stats.clock_offset;
m_freqOffset = stats.foff;
m_syncMetric = stats.sync_metric;
m_sync = stats.sync != 0;
m_snrEst = stats.snr_est;
if (m_berFrameCount >= m_fps)
{
m_ber = m_totalBitErrors - m_lastTotalBitErrors;
m_ber = m_ber < 0 ? 0 : m_ber;
m_berFrameCount = 0;
m_lastTotalBitErrors = m_totalBitErrors;
// qDebug("FreeDVStats::collect: demod sync: %s sync metric: %f demod snr: %3.2f dB BER: %d clock offset: %f freq offset: %f",
// m_sync ? "ok" : "ko", m_syncMetric, m_snrEst, m_ber, m_clockOffset, m_freqOffset);
}
m_berFrameCount++;
m_frameCount++;
}
FreeDVDemodSink::FreeDVSNR::FreeDVSNR()
{
m_sum = 0.0f;
m_peak = 0.0f;
m_n = 0;
m_reset = true;
}
void FreeDVDemodSink::FreeDVSNR::accumulate(float snrdB)
{
if (m_reset)
{
m_sum = CalcDb::powerFromdB(snrdB);
m_peak = snrdB;
m_n = 1;
m_reset = false;
}
else
{
m_sum += CalcDb::powerFromdB(snrdB);
m_peak = std::max(m_peak, snrdB);
m_n++;
}
}
FreeDVDemodSink::LevelRMS::LevelRMS()
{
m_sum = 0.0f;
m_peak = 0.0f;
m_n = 0;
m_reset = true;
}
void FreeDVDemodSink::LevelRMS::accumulate(float level)
{
if (m_reset)
{
m_sum = level * level;
m_peak = std::fabs(level);
m_n = 1;
m_reset = false;
}
else
{
m_sum += level * level;
m_peak = std::max(m_peak, std::fabs(level));
m_n++;
}
}
FreeDVDemodSink::FreeDVDemodSink() :
m_hiCutoff(6000),
m_lowCutoff(0),
m_volume(2),
m_spanLog2(3),
m_sum(fftfilt::cmplx{0,0}),
m_channelSampleRate(48000),
m_modemSampleRate(48000),
m_speechSampleRate(8000), // fixed 8 kS/s
m_channelFrequencyOffset(0),
m_audioMute(false),
m_simpleAGC(0.003f, 0.0f, 1e-6f),
m_agcActive(false),
m_squelchDelayLine(2*48000),
m_audioActive(false),
m_spectrumSink(0),
m_audioFifo(24000),
m_freeDV(0),
m_nSpeechSamples(0),
m_nMaxModemSamples(0),
m_iSpeech(0),
m_iModem(0),
m_speechOut(0),
m_modIn(0),
m_levelInNbSamples(480) // 10ms @ 48 kS/s
{
m_audioBuffer.resize(1<<14);
m_audioBufferFill = 0;
m_undersampleCount = 0;
m_magsq = 0.0f;
m_magsqSum = 0.0f;
m_magsqPeak = 0.0f;
m_magsqCount = 0;
m_simpleAGC.resizeNew(m_modemSampleRate/10, 0.003);
SSBFilter = new fftfilt(m_lowCutoff / m_modemSampleRate, m_hiCutoff / m_modemSampleRate, m_ssbFftLen);
m_SSBFilterBuffer = new fftfilt::cmplx[m_ssbFftLen];
std::fill(m_SSBFilterBuffer, m_SSBFilterBuffer + m_ssbFftLen, fftfilt::cmplx{0.0f, 0.0f});
m_SSBFilterBufferIndex = 0;
applyChannelSettings(m_channelSampleRate, m_channelFrequencyOffset, true);
applySettings(m_settings, true);
}
FreeDVDemodSink::~FreeDVDemodSink()
{
delete SSBFilter;
delete[] m_SSBFilterBuffer;
}
void FreeDVDemodSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
if (!m_freeDV) {
return;
}
Complex ci;
fftfilt::cmplx *sideband;
int n_out;
int decim = 1<<(m_spanLog2 - 1);
unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)
for(SampleVector::const_iterator it = begin; it < end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if (m_interpolatorDistance < 1.0f) // interpolate
{
while (!m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci))
{
processOneSample(ci);
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
else
{
if (m_interpolator.decimate(&m_interpolatorDistanceRemain, c, &ci))
{
processOneSample(ci);
m_interpolatorDistanceRemain += m_interpolatorDistance;
}
}
}
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill)
{
qDebug("FreeDVDemod::feed: %u/%u tail samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
if (m_spectrumSink)
{
m_spectrumSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), true);
}
m_sampleBuffer.clear();
}
void FreeDVDemodSink::processOneSample(Complex &ci)
{
fftfilt::cmplx *sideband;
int n_out = 0;
int decim = 1<<(m_spanLog2 - 1);
unsigned char decim_mask = decim - 1; // counter LSB bit mask for decimation by 2^(m_scaleLog2 - 1)
m_sum += m_SSBFilterBuffer[m_SSBFilterBufferIndex];
if (!(m_undersampleCount++ & decim_mask))
{
Real avgr = m_sum.real() / decim;
Real avgi = m_sum.imag() / decim;
m_magsq = (avgr*avgr + avgi*avgi) / (SDR_RX_SCALED*SDR_RX_SCALED);
m_magsqSum += m_magsq;
if (m_magsq > m_magsqPeak)
{
m_magsqPeak = m_magsq;
}
m_magsqCount++;
m_sampleBuffer.push_back(Sample(avgr, avgi));
m_sum.real(0.0);
m_sum.imag(0.0);
}
fftfilt::cmplx z = m_SSBFilterBuffer[m_SSBFilterBufferIndex];
Real demod = (z.real() + z.imag()) * 0.7;
// Real demod = m_SSBFilterBuffer[m_SSBFilterBufferIndex].real(); // works as good
if (m_agcActive)
{
m_simpleAGC.feed(demod);
demod *= (m_settings.m_volumeIn * 3276.8f) / m_simpleAGC.getValue(); // provision for peak to average ratio (here 10) compensated by m_volumeIn
}
else
{
demod *= m_settings.m_volumeIn;
}
pushSampleToDV((qint16) demod);
n_out = SSBFilter->runSSB(ci, &sideband, true); // always USB side
if (n_out > 0)
{
std::copy(sideband, sideband + n_out, m_SSBFilterBuffer);
m_SSBFilterBufferIndex = 0;
}
else if (m_SSBFilterBufferIndex < m_ssbFftLen - 1)
{
m_SSBFilterBufferIndex++;
}
}
void FreeDVDemodSink::pushSampleToDV(int16_t sample)
{
qint16 audioSample;
calculateLevel(sample);
if (m_iModem == m_nin)
{
int nout = freedv_rx(m_freeDV, m_speechOut, m_modIn);
m_freeDVStats.collect(m_freeDV);
m_freeDVSNR.accumulate(m_freeDVStats.m_snrEst);
if (m_settings.m_audioMute)
{
for (uint32_t i = 0; i < nout * m_audioResampler.getDecimation(); i++) {
pushSampleToAudio(0);
}
}
else
{
for (int i = 0; i < nout; i++)
{
while (!m_audioResampler.upSample(m_speechOut[i], audioSample)) {
pushSampleToAudio(audioSample);
}
pushSampleToAudio(audioSample);
}
}
m_iModem = 0;
m_iSpeech = 0;
}
m_modIn[m_iModem++] = sample;
}
void FreeDVDemodSink::calculateLevel(int16_t& sample)
{
if (m_levelIn.m_n >= m_levelInNbSamples)
{
m_rmsLevel = sqrt(m_levelIn.m_sum / m_levelInNbSamples);
m_peakLevel = m_levelIn.m_peak;
m_levelIn.m_reset = true;
}
m_levelIn.accumulate(sample/29491.2f); // scale on 90% (0.9 * 32768.0)
}
void FreeDVDemodSink::pushSampleToAudio(int16_t sample)
{
m_audioBuffer[m_audioBufferFill].l = sample * m_volume;
m_audioBuffer[m_audioBufferFill].r = sample * m_volume;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill) {
qDebug("FreeDVDemodSink::pushSampleToAudio: %u/%u samples written", res, m_audioBufferFill);
}
m_audioBufferFill = 0;
}
}
void FreeDVDemodSink::applyChannelSettings(int channelSampleRate, int channnelFrequencyOffset, bool force)
{
qDebug() << "FreeDVDemodSink::applyChannelSettings:"
<< " channelSampleRate: " << channelSampleRate
<< " inputFrequencyOffset: " << channnelFrequencyOffset;
if ((m_channelFrequencyOffset != channnelFrequencyOffset) ||
(m_channelSampleRate != channelSampleRate) || force)
{
m_nco.setFreq(-channnelFrequencyOffset, channelSampleRate);
}
if ((m_channelSampleRate != channelSampleRate) || force)
{
m_interpolator.create(16, channelSampleRate, m_hiCutoff * 1.5f, 2.0f);
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) channelSampleRate / (Real) m_modemSampleRate;
}
m_channelSampleRate = channelSampleRate;
m_channelFrequencyOffset = channnelFrequencyOffset;
}
void FreeDVDemodSink::applyAudioSampleRate(int sampleRate)
{
qDebug("FreeDVDemodSink::applyAudioSampleRate: %d", sampleRate);
m_audioFifo.setSize(sampleRate);
m_audioResampler.setDecimation(sampleRate / m_speechSampleRate);
m_audioResampler.setAudioFilters(sampleRate, sampleRate, 250, 3300, 4.0f);
m_audioSampleRate = sampleRate;
}
void FreeDVDemodSink::applyFreeDVMode(FreeDVDemodSettings::FreeDVMode mode)
{
m_hiCutoff = FreeDVDemodSettings::getHiCutoff(mode);
m_lowCutoff = FreeDVDemodSettings::getLowCutoff(mode);
uint32_t modemSampleRate = FreeDVDemodSettings::getModSampleRate(mode);
SSBFilter->create_filter(m_lowCutoff / (float) modemSampleRate, m_hiCutoff / (float) modemSampleRate);
// baseband interpolator
if (modemSampleRate != m_modemSampleRate)
{
m_interpolatorDistanceRemain = 0;
//m_interpolatorConsumed = false;
m_interpolatorDistance = (Real) m_channelSampleRate / (Real) modemSampleRate;
m_interpolator.create(16, m_channelSampleRate, m_hiCutoff * 1.5f, 2.0f);
m_modemSampleRate = modemSampleRate;
m_simpleAGC.resizeNew(modemSampleRate/10, 0.003);
m_levelInNbSamples = m_modemSampleRate / 100; // 10ms
}
// FreeDV object
if (m_freeDV) {
freedv_close(m_freeDV);
}
int fdv_mode = -1;
switch(mode)
{
case FreeDVDemodSettings::FreeDVMode700C:
fdv_mode = FREEDV_MODE_700C;
break;
case FreeDVDemodSettings::FreeDVMode700D:
fdv_mode = FREEDV_MODE_700D;
break;
case FreeDVDemodSettings::FreeDVMode800XA:
fdv_mode = FREEDV_MODE_800XA;
break;
case FreeDVDemodSettings::FreeDVMode1600:
fdv_mode = FREEDV_MODE_1600;
break;
case FreeDVDemodSettings::FreeDVMode2400A:
default:
fdv_mode = FREEDV_MODE_2400A;
break;
}
if (fdv_mode == FREEDV_MODE_700D)
{
struct freedv_advanced adv;
adv.interleave_frames = 1;
m_freeDV = freedv_open_advanced(fdv_mode, &adv);
}
else
{
m_freeDV = freedv_open(fdv_mode);
}
if (m_freeDV)
{
freedv_set_test_frames(m_freeDV, 0);
freedv_set_snr_squelch_thresh(m_freeDV, -100.0);
freedv_set_squelch_en(m_freeDV, 0);
freedv_set_clip(m_freeDV, 0);
freedv_set_ext_vco(m_freeDV, 0);
freedv_set_sync(m_freeDV, FREEDV_SYNC_MANUAL);
freedv_set_callback_txt(m_freeDV, nullptr, nullptr, nullptr);
freedv_set_callback_protocol(m_freeDV, nullptr, nullptr, nullptr);
freedv_set_callback_data(m_freeDV, nullptr, nullptr, nullptr);
int nSpeechSamples = freedv_get_n_speech_samples(m_freeDV);
int nMaxModemSamples = freedv_get_n_max_modem_samples(m_freeDV);
int Fs = freedv_get_modem_sample_rate(m_freeDV);
int Rs = freedv_get_modem_symbol_rate(m_freeDV);
m_freeDVStats.init();
if (nSpeechSamples > m_nSpeechSamples)
{
if (m_speechOut) {
delete[] m_speechOut;
}
m_speechOut = new int16_t[nSpeechSamples];
m_nSpeechSamples = nSpeechSamples;
}
if (nMaxModemSamples > m_nMaxModemSamples)
{
if (m_modIn) {
delete[] m_modIn;
}
m_modIn = new int16_t[nMaxModemSamples];
m_nMaxModemSamples = nMaxModemSamples;
}
m_iSpeech = 0;
m_iModem = 0;
m_nin = freedv_nin(m_freeDV);
if (m_nin > 0) {
m_freeDVStats.m_fps = m_modemSampleRate / m_nin;
}
qDebug() << "FreeDVDemodSink::applyFreeDVMode:"
<< " fdv_mode: " << fdv_mode
<< " m_modemSampleRate: " << m_modemSampleRate
<< " m_lowCutoff: " << m_lowCutoff
<< " m_hiCutoff: " << m_hiCutoff
<< " Fs: " << Fs
<< " Rs: " << Rs
<< " m_nSpeechSamples: " << m_nSpeechSamples
<< " m_nMaxModemSamples: " << m_nMaxModemSamples
<< " m_nin: " << m_nin
<< " FPS: " << m_freeDVStats.m_fps;
}
else
{
qCritical("FreeDVDemodSink::applyFreeDVMode: m_freeDV was not allocated");
}
}
void FreeDVDemodSink::applySettings(const FreeDVDemodSettings& settings, bool force)
{
qDebug() << "FreeDVDemodSink::applySettings:"
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " m_freeDVMode: " << (int) settings.m_freeDVMode
<< " m_volume: " << settings.m_volume
<< " m_volumeIn: " << settings.m_volumeIn
<< " m_spanLog2: " << settings.m_spanLog2
<< " m_audioMute: " << settings.m_audioMute
<< " m_agcActive: " << settings.m_agc
<< " m_audioDeviceName: " << settings.m_audioDeviceName
<< " m_streamIndex: " << settings.m_streamIndex
<< " m_useReverseAPI: " << settings.m_useReverseAPI
<< " m_reverseAPIAddress: " << settings.m_reverseAPIAddress
<< " m_reverseAPIPort: " << settings.m_reverseAPIPort
<< " m_reverseAPIDeviceIndex: " << settings.m_reverseAPIDeviceIndex
<< " m_reverseAPIChannelIndex: " << settings.m_reverseAPIChannelIndex
<< " force: " << force;
if ((m_settings.m_volume != settings.m_volume) || force)
{
m_volume = settings.m_volume;
m_volume /= 4.0; // for 3276.8
}
m_spanLog2 = settings.m_spanLog2;
m_audioMute = settings.m_audioMute;
m_agcActive = settings.m_agc;
m_settings = settings;
}
void FreeDVDemodSink::getSNRLevels(double& avg, double& peak, int& nbSamples)
{
if (m_freeDVSNR.m_n > 0)
{
avg = CalcDb::dbPower(m_freeDVSNR.m_sum / m_freeDVSNR.m_n);
peak = m_freeDVSNR.m_peak;
nbSamples = m_freeDVSNR.m_n;
m_freeDVSNR.m_reset = true;
}
else
{
avg = 0.0;
peak = 0.0;
nbSamples = 1;
}
}
void FreeDVDemodSink::resyncFreeDV()
{
freedv_set_sync(m_freeDV, FREEDV_SYNC_UNSYNC);
}

211
plugins/channelrx/demodfreedv/freedvdemodsink.h Normal file
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@ -0,0 +1,211 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_FREEDVDEMODSINK_H
#define INCLUDE_FREEDVDEMODSINK_H
#include <vector>
#include <QTimer>
#include "dsp/channelsamplesink.h"
#include "dsp/ncof.h"
#include "dsp/interpolator.h"
#include "dsp/fftfilt.h"
#include "dsp/agc.h"
#include "audio/audiofifo.h"
#include "audio/audioresampler.h"
#include "util/doublebufferfifo.h"
#include "freedvdemodsettings.h"
struct freedv;
class BasebandSampleSink;
class FreeDVDemodSink : public ChannelSampleSink {
public:
FreeDVDemodSink();
~FreeDVDemodSink();
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force = false);
void applySettings(const FreeDVDemodSettings& settings, bool force = false);
void applyAudioSampleRate(int sampleRate);
void applyFreeDVMode(FreeDVDemodSettings::FreeDVMode mode);
AudioFifo *getAudioFifo() { return &m_audioFifo; }
void resyncFreeDV();
void setSpectrumSink(BasebandSampleSink* spectrumSink) { m_spectrumSink = spectrumSink; }
uint32_t getAudioSampleRate() const { return m_audioSampleRate; }
uint32_t getModemSampleRate() const { return m_modemSampleRate; }
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;
}
void getSNRLevels(double& avg, double& peak, int& nbSamples);
int getBER() const { return m_freeDVStats.m_ber; }
float getFrequencyOffset() const { return m_freeDVStats.m_freqOffset; }
bool isSync() const { return m_freeDVStats.m_sync; }
/**
* Level changed
* \param rmsLevel RMS level in range 0.0 - 1.0
* \param peakLevel Peak level in range 0.0 - 1.0
* \param numSamples Number of samples analyzed
*/
void getLevels(qreal& rmsLevel, qreal& peakLevel, int& numSamples)
{
rmsLevel = m_rmsLevel;
peakLevel = m_peakLevel;
numSamples = m_levelInNbSamples;
}
private:
struct MagSqLevelsStore
{
MagSqLevelsStore() :
m_magsq(1e-12),
m_magsqPeak(1e-12)
{}
double m_magsq;
double m_magsqPeak;
};
struct FreeDVStats
{
FreeDVStats();
void init();
void collect(struct freedv *freedv);
bool m_sync;
float m_snrEst;
float m_clockOffset;
float m_freqOffset;
float m_syncMetric;
int m_totalBitErrors;
int m_lastTotalBitErrors;
int m_ber; //!< estimated BER (b/s)
uint32_t m_frameCount;
uint32_t m_berFrameCount; //!< count of frames for BER estimation
uint32_t m_fps; //!< frames per second
};
struct FreeDVSNR
{
FreeDVSNR();
void accumulate(float snrdB);
double m_sum;
float m_peak;
int m_n;
bool m_reset;
};
struct LevelRMS
{
LevelRMS();
void accumulate(float fsample);
double m_sum;
float m_peak;
int m_n;
bool m_reset;
};
FreeDVDemodSettings m_settings;
Real m_hiCutoff;
Real m_lowCutoff;
Real m_volume;
int m_spanLog2;
fftfilt::cmplx m_sum;
int m_undersampleCount;
int m_channelSampleRate;
uint32_t m_modemSampleRate;
uint32_t m_speechSampleRate;
uint32_t m_audioSampleRate;
int m_channelFrequencyOffset;
bool m_audioMute;
double m_magsq;
double m_magsqSum;
double m_magsqPeak;
int m_magsqCount;
MagSqLevelsStore m_magSqLevelStore;
SimpleAGC<4800> m_simpleAGC;
bool m_agcActive;
DoubleBufferFIFO<fftfilt::cmplx> m_squelchDelayLine;
bool m_audioActive; //!< True if an audio signal is produced (no AGC or AGC and above threshold)
NCOF m_nco;
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
fftfilt* SSBFilter;
fftfilt::cmplx* m_SSBFilterBuffer;
unsigned int m_SSBFilterBufferIndex;
BasebandSampleSink* m_spectrumSink;
SampleVector m_sampleBuffer;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
AudioFifo m_audioFifo;
struct freedv *m_freeDV;
int m_nSpeechSamples;
int m_nMaxModemSamples;
int m_nin;
int m_iSpeech;
int m_iModem;
int16_t *m_speechOut;
int16_t *m_modIn;
AudioResampler m_audioResampler;
FreeDVStats m_freeDVStats;
FreeDVSNR m_freeDVSNR;
LevelRMS m_levelIn;
int m_levelInNbSamples;
Real m_rmsLevel;
Real m_peakLevel;
static const unsigned int m_ssbFftLen;
static const float m_agcTarget;
void pushSampleToDV(int16_t sample);
void pushSampleToAudio(int16_t sample);
void processOneSample(Complex &ci);
void calculateLevel(int16_t& sample);
};
#endif // INCLUDE_FREEDVDEMODSINK_H

2
plugins/channelrx/demodfreedv/freedvplugin.cpp
View File

@ -27,7 +27,7 @@
const PluginDescriptor FreeDVPlugin::m_pluginDescriptor = {
QString("FreeDV Demodulator"),
QString("4.11.6"),
QString("4.12.2"),
QString("(c) Edouard Griffiths, F4EXB"),
QString("https://github.com/f4exb/sdrangel"),
true,

60
plugins/channelrx/localsink/CMakeLists.txt
View File

@ -1,59 +1,61 @@
project(localsink)
set(localsink_SOURCES
localsink.cpp
localsinksettings.cpp
localsinkwebapiadapter.cpp
localsinkthread.cpp
localsinkplugin.cpp
localsink.cpp
localsinkbaseband.cpp
localsinksink.cpp
localsinksettings.cpp
localsinkwebapiadapter.cpp
localsinkthread.cpp
localsinkplugin.cpp
)
set(localsink_HEADERS
localsink.h
localsinkbaseband.h
localsinksink.h
localsinksettings.h
localsinkwebapiadapter.h
localsinkthread.h
localsinkplugin.h
)
)
include_directories(
${CMAKE_SOURCE_DIR}/swagger/sdrangel/code/qt5/client
${Boost_INCLUDE_DIR}
)
)
if(NOT SERVER_MODE)
set(localsink_SOURCES
${localsink_SOURCES}
localsinkgui.cpp
localsinkgui.ui
set(localsink_SOURCES
${localsink_SOURCES}
localsinkgui.cpp
localsinkgui.ui
)
set(localsink_HEADERS
${localsink_HEADERS}
localsinkgui.h
set(localsink_HEADERS
${localsink_HEADERS}
localsinkgui.h
)
set(TARGET_NAME localsink)
set(TARGET_LIB "Qt5::Widgets")
set(TARGET_LIB_GUI "sdrgui")
set(INSTALL_FOLDER ${INSTALL_PLUGINS_DIR})
set(TARGET_NAME localsink)
set(TARGET_LIB "Qt5::Widgets")
set(TARGET_LIB_GUI "sdrgui")
set(INSTALL_FOLDER ${INSTALL_PLUGINS_DIR})
else()
set(TARGET_NAME localsinksrv)
set(TARGET_LIB "")
set(TARGET_LIB_GUI "")
set(INSTALL_FOLDER ${INSTALL_PLUGINSSRV_DIR})
set(TARGET_NAME localsinksrv)
set(TARGET_LIB "")
set(TARGET_LIB_GUI "")
set(INSTALL_FOLDER ${INSTALL_PLUGINSSRV_DIR})
endif()
add_library(${TARGET_NAME} SHARED
${localsink_SOURCES}
)
${localsink_SOURCES}
)
target_link_libraries(${TARGET_NAME}
Qt5::Core
${TARGET_LIB}
Qt5::Core
${TARGET_LIB}
sdrbase
${TARGET_LIB_GUI}
swagger
swagger
)
install(TARGETS ${TARGET_NAME} DESTINATION ${INSTALL_FOLDER})

205
plugins/channelrx/localsink/localsink.cpp
View File

@ -15,7 +15,6 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "localsink.h"
#include <boost/crc.hpp>
#include <boost/cstdint.hpp>
@ -37,11 +36,11 @@
#include "dsp/devicesamplemimo.h"
#include "device/deviceapi.h"
#include "localsinkthread.h"
#include "localsinkbaseband.h"
#include "localsink.h"
MESSAGE_CLASS_DEFINITION(LocalSink::MsgConfigureLocalSink, Message)
MESSAGE_CLASS_DEFINITION(LocalSink::MsgSampleRateNotification, Message)
MESSAGE_CLASS_DEFINITION(LocalSink::MsgConfigureChannelizer, Message)
MESSAGE_CLASS_DEFINITION(LocalSink::MsgBasebandSampleRateNotification, Message)
const QString LocalSink::m_channelIdURI = "sdrangel.channel.localsink";
const QString LocalSink::m_channelId = "LocalSink";
@ -49,18 +48,19 @@ const QString LocalSink::m_channelId = "LocalSink";
LocalSink::LocalSink(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_running(false),
m_sinkThread(0),
m_centerFrequency(0),
m_frequencyOffset(0),
m_sampleRate(48000),
m_deviceSampleRate(48000)
m_basebandSampleRate(48000)
{
setObjectName(m_channelId);
m_channelizer = new DownChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
m_deviceAPI->addChannelSink(m_threadedChannelizer);
m_thread = new QThread(this);
m_basebandSink = new LocalSinkBaseband();
m_basebandSink->moveToThread(m_thread);
applySettings(m_settings, true);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
m_networkManager = new QNetworkAccessManager();
@ -72,9 +72,9 @@ LocalSink::~LocalSink()
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
m_deviceAPI->removeChannelSink(this);
delete m_basebandSink;
delete m_thread;
}
uint32_t LocalSink::getNumberOfDeviceStreams() const
@ -85,71 +85,26 @@ uint32_t LocalSink::getNumberOfDeviceStreams() const
void LocalSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
(void) firstOfBurst;
emit samplesAvailable((const quint8*) &(*begin), (end-begin)*sizeof(Sample));
m_basebandSink->feed(begin, end);
}
void LocalSink::start()
{
qDebug("LocalSink::start");
if (m_running) {
stop();
}
m_sinkThread = new LocalSinkThread();
DeviceSampleSource *deviceSource = getLocalDevice(m_settings.m_localDeviceIndex);
if (deviceSource) {
m_sinkThread->setSampleFifo(deviceSource->getSampleFifo());
}
connect(this,
SIGNAL(samplesAvailable(const quint8*, uint)),
m_sinkThread,
SLOT(processSamples(const quint8*, uint)),
Qt::QueuedConnection);
m_sinkThread->startStop(true);
m_running = true;
qDebug("LocalSink::start");
m_basebandSink->reset();
m_thread->start();
}
void LocalSink::stop()
{
qDebug("LocalSink::stop");
disconnect(this,
SIGNAL(samplesAvailable(const quint8*, uint)),
m_sinkThread,
SLOT(processSamples(const quint8*, uint)));
if (m_sinkThread != 0)
{
m_sinkThread->startStop(false);
m_sinkThread->deleteLater();
m_sinkThread = 0;
}
m_running = false;
m_thread->exit();
m_thread->wait();
}
bool LocalSink::handleMessage(const Message& cmd)
{
if (DownChannelizer::MsgChannelizerNotification::match(cmd))
{
DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
qDebug() << "LocalSink::handleMessage: MsgChannelizerNotification:"
<< " channelSampleRate: " << notif.getSampleRate()
<< " offsetFrequency: " << notif.getFrequencyOffset();
if (notif.getSampleRate() > 0)
{
setSampleRate(notif.getSampleRate());
}
return true;
}
else if (DSPSignalNotification::match(cmd))
if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
@ -157,20 +112,19 @@ bool LocalSink::handleMessage(const Message& cmd)
<< " inputSampleRate: " << notif.getSampleRate()
<< " centerFrequency: " << notif.getCenterFrequency();
setCenterFrequency(notif.getCenterFrequency());
m_deviceSampleRate = notif.getSampleRate();
calculateFrequencyOffset(); // This is when device sample rate changes
propagateSampleRateAndFrequency(m_settings.m_localDeviceIndex);
m_basebandSampleRate = notif.getSampleRate();
m_centerFrequency = notif.getCenterFrequency();
// Redo the channelizer stuff with the new sample rate to re-synchronize everything
m_channelizer->set(m_channelizer->getInputMessageQueue(),
m_settings.m_log2Decim,
m_settings.m_filterChainHash);
calculateFrequencyOffset(m_settings.m_log2Decim, m_settings.m_filterChainHash); // This is when device sample rate changes
propagateSampleRateAndFrequency(m_settings.m_localDeviceIndex, m_settings.m_log2Decim);
if (m_guiMessageQueue)
MsgBasebandSampleRateNotification *msg = MsgBasebandSampleRateNotification::create(notif.getSampleRate());
m_basebandSink->getInputMessageQueue()->push(msg);
if (getMessageQueueToGUI())
{
MsgSampleRateNotification *msg = MsgSampleRateNotification::create(notif.getSampleRate());
m_guiMessageQueue->push(msg);
MsgBasebandSampleRateNotification *msg = MsgBasebandSampleRateNotification::create(notif.getSampleRate());
getMessageQueueToGUI()->push(msg);
}
return true;
@ -183,25 +137,6 @@ bool LocalSink::handleMessage(const Message& cmd)
return true;
}
else if (MsgConfigureChannelizer::match(cmd))
{
MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
m_settings.m_log2Decim = cfg.getLog2Decim();
m_settings.m_filterChainHash = cfg.getFilterChainHash();
qDebug() << "LocalSink::handleMessage: MsgConfigureChannelizer:"
<< " log2Decim: " << m_settings.m_log2Decim
<< " filterChainHash: " << m_settings.m_filterChainHash;
m_channelizer->set(m_channelizer->getInputMessageQueue(),
m_settings.m_log2Decim,
m_settings.m_filterChainHash);
calculateFrequencyOffset(); // This is when decimation or filter chain changes
propagateSampleRateAndFrequency(m_settings.m_localDeviceIndex);
return true;
}
else
{
return false;
@ -279,43 +214,68 @@ DeviceSampleSource *LocalSink::getLocalDevice(uint32_t index)
return nullptr;
}
void LocalSink::propagateSampleRateAndFrequency(uint32_t index)
void LocalSink::propagateSampleRateAndFrequency(uint32_t index, uint32_t log2Decim)
{
qDebug() << "LocalSink::propagateSampleRateAndFrequency:"
<< " index: " << index
<< " baseband_freq: " << m_basebandSampleRate
<< " log2Decim: " << log2Decim
<< " frequency: " << m_centerFrequency + m_frequencyOffset;
DeviceSampleSource *deviceSource = getLocalDevice(index);
if (deviceSource)
{
deviceSource->setSampleRate(m_deviceSampleRate / (1<<m_settings.m_log2Decim));
deviceSource->setSampleRate(m_basebandSampleRate / (1 << log2Decim));
deviceSource->setCenterFrequency(m_centerFrequency + m_frequencyOffset);
}
else
{
qDebug("LocalSink::propagateSampleRateAndFrequency: no suitable device at index %u", index);
}
}
void LocalSink::applySettings(const LocalSinkSettings& settings, bool force)
{
qDebug() << "LocalSink::applySettings:"
<< " m_localDeviceIndex: " << settings.m_localDeviceIndex
<< " m_streamIndex: " << settings.m_streamIndex
<< " force: " << force;
<< "m_localDeviceIndex: " << settings.m_localDeviceIndex
<< "m_streamIndex: " << settings.m_streamIndex
<< "m_play:" << settings.m_play
<< "force: " << force;
QList<QString> reverseAPIKeys;
if ((settings.m_log2Decim != m_settings.m_log2Decim) || force) {
reverseAPIKeys.append("log2Decim");
}
if ((settings.m_filterChainHash != m_settings.m_filterChainHash) || force) {
reverseAPIKeys.append("filterChainHash");
}
if ((settings.m_localDeviceIndex != m_settings.m_localDeviceIndex) || force)
{
reverseAPIKeys.append("localDeviceIndex");
propagateSampleRateAndFrequency(settings.m_localDeviceIndex, settings.m_log2Decim);
DeviceSampleSource *deviceSource = getLocalDevice(settings.m_localDeviceIndex);
LocalSinkBaseband::MsgConfigureLocalDeviceSampleSource *msg =
LocalSinkBaseband::MsgConfigureLocalDeviceSampleSource::create(deviceSource);
m_basebandSink->getInputMessageQueue()->push(msg);
}
if (deviceSource)
{
if (m_sinkThread) {
m_sinkThread->setSampleFifo(deviceSource->getSampleFifo());
}
if ((settings.m_log2Decim != m_settings.m_log2Decim)
|| (settings.m_filterChainHash != m_settings.m_filterChainHash) || force)
{
calculateFrequencyOffset(settings.m_log2Decim, settings.m_filterChainHash);
propagateSampleRateAndFrequency(m_settings.m_localDeviceIndex, settings.m_log2Decim);
}
propagateSampleRateAndFrequency(settings.m_localDeviceIndex);
}
else
{
qWarning("LocalSink::applySettings: invalid local device for index %u", settings.m_localDeviceIndex);
}
if ((settings.m_play != m_settings.m_play) || force)
{
reverseAPIKeys.append("play");
LocalSinkBaseband::MsgConfigureLocalSinkWork *msg = LocalSinkBaseband::MsgConfigureLocalSinkWork::create(
settings.m_play
);
m_basebandSink->getInputMessageQueue()->push(msg);
}
if (m_settings.m_streamIndex != settings.m_streamIndex)
@ -323,16 +283,17 @@ void LocalSink::applySettings(const LocalSinkSettings& settings, bool force)
if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
{
m_deviceAPI->removeChannelSinkAPI(this, m_settings.m_streamIndex);
m_deviceAPI->removeChannelSink(m_threadedChannelizer, m_settings.m_streamIndex);
m_deviceAPI->addChannelSink(m_threadedChannelizer, settings.m_streamIndex);
m_deviceAPI->removeChannelSink(this, m_settings.m_streamIndex);
m_deviceAPI->addChannelSinkAPI(this, settings.m_streamIndex);
m_deviceAPI->addChannelSinkAPI(this, settings.m_streamIndex);
// apply stream sample rate to itself
//applyChannelSettings(m_deviceAPI->getSampleMIMO()->getSourceSampleRate(settings.m_streamIndex), m_inputFrequencyOffset);
}
reverseAPIKeys.append("streamIndex");
}
LocalSinkBaseband::MsgConfigureLocalSinkBaseband *msg = LocalSinkBaseband::MsgConfigureLocalSinkBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
if ((settings.m_useReverseAPI) && (reverseAPIKeys.size() != 0))
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
@ -357,10 +318,10 @@ void LocalSink::validateFilterChainHash(LocalSinkSettings& settings)
settings.m_filterChainHash = settings.m_filterChainHash >= s ? s-1 : settings.m_filterChainHash;
}
void LocalSink::calculateFrequencyOffset()
void LocalSink::calculateFrequencyOffset(uint32_t log2Decim, uint32_t filterChainHash)
{
double shiftFactor = HBFilterChainConverter::getShiftFactor(m_settings.m_log2Decim, m_settings.m_filterChainHash);
m_frequencyOffset = m_deviceSampleRate * shiftFactor;
double shiftFactor = HBFilterChainConverter::getShiftFactor(log2Decim, filterChainHash);
m_frequencyOffset = m_basebandSampleRate * shiftFactor;
}
int LocalSink::webapiSettingsGet(
@ -387,12 +348,6 @@ int LocalSink::webapiSettingsPutPatch(
MsgConfigureLocalSink *msg = MsgConfigureLocalSink::create(settings, force);
m_inputMessageQueue.push(msg);
if ((settings.m_log2Decim != m_settings.m_log2Decim) || (settings.m_filterChainHash != m_settings.m_filterChainHash) || force)
{
MsgConfigureChannelizer *msg = MsgConfigureChannelizer::create(settings.m_log2Decim, settings.m_filterChainHash);
m_inputMessageQueue.push(msg);
}
qDebug("LocalSink::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{

67
plugins/channelrx/localsink/localsink.h
View File

@ -26,13 +26,13 @@
#include "channel/channelapi.h"
#include "localsinksettings.h"
class DeviceAPI;
class DeviceSampleSource;
class ThreadedBasebandSampleSink;
class DownChannelizer;
class LocalSinkThread;
class QNetworkAccessManager;
class QNetworkReply;
class QThread;
class DeviceAPI;
class DeviceSampleSource;
class LocalSinkBaseband;
class LocalSink : public BasebandSampleSink, public ChannelAPI {
Q_OBJECT
@ -60,19 +60,19 @@ public:
{ }
};
class MsgSampleRateNotification : public Message {
class MsgBasebandSampleRateNotification : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgSampleRateNotification* create(int sampleRate) {
return new MsgSampleRateNotification(sampleRate);
static MsgBasebandSampleRateNotification* create(int sampleRate) {
return new MsgBasebandSampleRateNotification(sampleRate);
}
int getSampleRate() const { return m_sampleRate; }
private:
MsgSampleRateNotification(int sampleRate) :
MsgBasebandSampleRateNotification(int sampleRate) :
Message(),
m_sampleRate(sampleRate)
{ }
@ -80,28 +80,6 @@ public:
int m_sampleRate;
};
class MsgConfigureChannelizer : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getLog2Decim() const { return m_log2Decim; }
int getFilterChainHash() const { return m_filterChainHash; }
static MsgConfigureChannelizer* create(unsigned int log2Decim, unsigned int filterChainHash) {
return new MsgConfigureChannelizer(log2Decim, filterChainHash);
}
private:
unsigned int m_log2Decim;
unsigned int m_filterChainHash;
MsgConfigureChannelizer(unsigned int log2Decim, unsigned int filterChainHash) :
Message(),
m_log2Decim(log2Decim),
m_filterChainHash(filterChainHash)
{ }
};
LocalSink(DeviceAPI *deviceAPI);
virtual ~LocalSink();
virtual void destroy() { delete this; }
@ -147,44 +125,31 @@ public:
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response);
/** Set center frequency given in Hz */
void setCenterFrequency(uint64_t centerFrequency) { m_centerFrequency = centerFrequency; }
/** Set sample rate given in Hz */
void setSampleRate(uint32_t sampleRate) { m_sampleRate = sampleRate; }
void setChannelizer(unsigned int log2Decim, unsigned int filterChainHash);
void getLocalDevices(std::vector<uint32_t>& indexes);
uint32_t getNumberOfDeviceStreams() const;
static const QString m_channelIdURI;
static const QString m_channelId;
signals:
void samplesAvailable(const quint8* data, uint count);
private:
DeviceAPI *m_deviceAPI;
ThreadedBasebandSampleSink* m_threadedChannelizer;
DownChannelizer* m_channelizer;
bool m_running;
QThread *m_thread;
LocalSinkBaseband *m_basebandSink;
LocalSinkSettings m_settings;
LocalSinkThread *m_sinkThread;
uint64_t m_centerFrequency;
int64_t m_frequencyOffset;
uint32_t m_sampleRate;
uint32_t m_deviceSampleRate;
uint32_t m_basebandSampleRate;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
void applySettings(const LocalSinkSettings& settings, bool force = false);
DeviceSampleSource *getLocalDevice(uint32_t index);
void propagateSampleRateAndFrequency(uint32_t index);
void propagateSampleRateAndFrequency(uint32_t index, uint32_t log2Decim);
static void validateFilterChainHash(LocalSinkSettings& settings);
void calculateFrequencyOffset();
void calculateFrequencyOffset(uint32_t log2Decim, uint32_t filterChainHash);
DeviceSampleSource *getLocalDevice(uint32_t index);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const LocalSinkSettings& settings, bool force);
private slots:

181
plugins/channelrx/localsink/localsinkbaseband.cpp Normal file
View File

@ -0,0 +1,181 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include "dsp/downsamplechannelizer.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "localsinkbaseband.h"
MESSAGE_CLASS_DEFINITION(LocalSinkBaseband::MsgConfigureLocalSinkBaseband, Message)
MESSAGE_CLASS_DEFINITION(LocalSinkBaseband::MsgConfigureLocalSinkWork, Message)
MESSAGE_CLASS_DEFINITION(LocalSinkBaseband::MsgBasebandSampleRateNotification, Message)
MESSAGE_CLASS_DEFINITION(LocalSinkBaseband::MsgConfigureLocalDeviceSampleSource, Message)
LocalSinkBaseband::LocalSinkBaseband() :
m_localSampleSource(nullptr),
m_mutex(QMutex::Recursive)
{
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
m_channelizer = new DownSampleChannelizer(&m_sink);
qDebug("LocalSinkBaseband::LocalSinkBaseband");
QObject::connect(
&m_sampleFifo,
&SampleSinkFifo::dataReady,
this,
&LocalSinkBaseband::handleData,
Qt::QueuedConnection
);
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
LocalSinkBaseband::~LocalSinkBaseband()
{
delete m_channelizer;
}
void LocalSinkBaseband::reset()
{
QMutexLocker mutexLocker(&m_mutex);
m_sampleFifo.reset();
}
void LocalSinkBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
m_sampleFifo.write(begin, end);
}
void LocalSinkBaseband::handleData()
{
QMutexLocker mutexLocker(&m_mutex);
while ((m_sampleFifo.fill() > 0) && (m_inputMessageQueue.size() == 0))
{
SampleVector::iterator part1begin;
SampleVector::iterator part1end;
SampleVector::iterator part2begin;
SampleVector::iterator part2end;
std::size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
// first part of FIFO data
if (part1begin != part1end) {
m_channelizer->feed(part1begin, part1end);
}
// second part of FIFO data (used when block wraps around)
if(part2begin != part2end) {
m_channelizer->feed(part2begin, part2end);
}
m_sampleFifo.readCommit((unsigned int) count);
}
}
void LocalSinkBaseband::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (handleMessage(*message)) {
delete message;
}
}
}
bool LocalSinkBaseband::handleMessage(const Message& cmd)
{
if (MsgConfigureLocalSinkBaseband::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureLocalSinkBaseband& cfg = (MsgConfigureLocalSinkBaseband&) cmd;
qDebug() << "LocalSinkBaseband::handleMessage: MsgConfigureLocalSinkBaseband";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (MsgBasebandSampleRateNotification::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgBasebandSampleRateNotification& notif = (MsgBasebandSampleRateNotification&) cmd;
qDebug() << "LocalSinkBaseband::handleMessage: MsgBasebandSampleRateNotification: basebandSampleRate: " << notif.getBasebandSampleRate();
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(notif.getBasebandSampleRate()));
m_channelizer->setBasebandSampleRate(notif.getBasebandSampleRate());
return true;
}
else if (MsgConfigureLocalSinkWork::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureLocalSinkWork& conf = (MsgConfigureLocalSinkWork&) cmd;
qDebug() << "LocalSinkBaseband::handleMessage: MsgConfigureLocalSinkWork: " << conf.isWorking();
if (conf.isWorking()) {
m_sink.start(m_localSampleSource);
} else {
m_sink.stop();
}
return true;
}
else if (MsgConfigureLocalDeviceSampleSource::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureLocalDeviceSampleSource& notif = (MsgConfigureLocalDeviceSampleSource&) cmd;
qDebug() << "LocalSinkBaseband::handleMessage: MsgConfigureLocalDeviceSampleSource: " << notif.getDeviceSampleSource();
m_localSampleSource = notif.getDeviceSampleSource();
if (m_sink.isRunning()) {
m_sink.start(m_localSampleSource);
}
return true;
}
else
{
return false;
}
}
void LocalSinkBaseband::applySettings(const LocalSinkSettings& settings, bool force)
{
qDebug() << "LocalSinkBaseband::applySettings:"
<< "m_localDeviceIndex:" << settings.m_localDeviceIndex
<< "m_log2Decim:" << settings.m_log2Decim
<< "m_filterChainHash:" << settings.m_filterChainHash
<< " force: " << force;
if ((settings.m_log2Decim != m_settings.m_log2Decim)
|| (settings.m_filterChainHash != m_settings.m_filterChainHash) || force)
{
m_channelizer->setDecimation(settings.m_log2Decim, settings.m_filterChainHash);
}
//m_source.applySettings(settings, force);
m_settings = settings;
}
int LocalSinkBaseband::getChannelSampleRate() const
{
return m_channelizer->getChannelSampleRate();
}

147
plugins/channelrx/localsink/localsinkbaseband.h Normal file
View File

@ -0,0 +1,147 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_LOCALSINKBASEBAND_H
#define INCLUDE_LOCALSINKBASEBAND_H
#include <QObject>
#include <QMutex>
#include "dsp/samplesinkfifo.h"
#include "util/message.h"
#include "util/messagequeue.h"
#include "localsinksink.h"
#include "localsinksettings.h"
class DownSampleChannelizer;
class LocalSinkBaseband : public QObject
{
Q_OBJECT
public:
class MsgConfigureLocalSinkBaseband : public Message {
MESSAGE_CLASS_DECLARATION
public:
const LocalSinkSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureLocalSinkBaseband* create(const LocalSinkSettings& settings, bool force)
{
return new MsgConfigureLocalSinkBaseband(settings, force);
}
private:
LocalSinkSettings m_settings;
bool m_force;
MsgConfigureLocalSinkBaseband(const LocalSinkSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
class MsgConfigureLocalSinkWork : public Message {
MESSAGE_CLASS_DECLARATION
public:
bool isWorking() const { return m_working; }
static MsgConfigureLocalSinkWork* create(bool working)
{
return new MsgConfigureLocalSinkWork(working);
}
private:
bool m_working;
MsgConfigureLocalSinkWork(bool working) :
Message(),
m_working(working)
{ }
};
class MsgBasebandSampleRateNotification : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgBasebandSampleRateNotification* create(int sampleRate) {
return new MsgBasebandSampleRateNotification(sampleRate);
}
int getBasebandSampleRate() const { return m_sampleRate; }
private:
MsgBasebandSampleRateNotification(int sampleRate) :
Message(),
m_sampleRate(sampleRate)
{ }
int m_sampleRate;
};
class MsgConfigureLocalDeviceSampleSource : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgConfigureLocalDeviceSampleSource* create(DeviceSampleSource *deviceSampleSource) {
return new MsgConfigureLocalDeviceSampleSource(deviceSampleSource);
}
DeviceSampleSource *getDeviceSampleSource() const { return m_deviceSampleSource; }
private:
MsgConfigureLocalDeviceSampleSource(DeviceSampleSource *deviceSampleSource) :
Message(),
m_deviceSampleSource(deviceSampleSource)
{ }
DeviceSampleSource *m_deviceSampleSource;
};
LocalSinkBaseband();
~LocalSinkBaseband();
void reset();
void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
int getChannelSampleRate() const;
void startSource() { m_sink.start(m_localSampleSource); }
void stopSource() { m_sink.stop(); }
private:
SampleSinkFifo m_sampleFifo;
DownSampleChannelizer *m_channelizer;
LocalSinkSink m_sink;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
LocalSinkSettings m_settings;
DeviceSampleSource *m_localSampleSource;
QMutex m_mutex;
bool handleMessage(const Message& cmd);
void applySettings(const LocalSinkSettings& settings, bool force = false);
private slots:
void handleInputMessages();
void handleData(); //!< Handle data when samples have to be processed
};
#endif // INCLUDE_LOCALSINKBASEBAND_H

62
plugins/channelrx/localsink/localsinkgui.cpp
View File

@ -71,11 +71,16 @@ QByteArray LocalSinkGUI::serialize() const
bool LocalSinkGUI::deserialize(const QByteArray& data)
{
if(m_settings.deserialize(data)) {
updateLocalDevices();
if (m_settings.deserialize(data))
{
displaySettings();
applySettings(true);
return true;
} else {
}
else
{
resetToDefaults();
return false;
}
@ -83,11 +88,11 @@ bool LocalSinkGUI::deserialize(const QByteArray& data)
bool LocalSinkGUI::handleMessage(const Message& message)
{
if (LocalSink::MsgSampleRateNotification::match(message))
if (LocalSink::MsgBasebandSampleRateNotification::match(message))
{
LocalSink::MsgSampleRateNotification& notif = (LocalSink::MsgSampleRateNotification&) message;
LocalSink::MsgBasebandSampleRateNotification& notif = (LocalSink::MsgBasebandSampleRateNotification&) message;
//m_channelMarker.setBandwidth(notif.getSampleRate());
m_sampleRate = notif.getSampleRate();
m_basebandSampleRate = notif.getSampleRate();
displayRateAndShift();
return true;
}
@ -111,7 +116,7 @@ LocalSinkGUI::LocalSinkGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseb
ui(new Ui::LocalSinkGUI),
m_pluginAPI(pluginAPI),
m_deviceUISet(deviceUISet),
m_sampleRate(0),
m_basebandSampleRate(0),
m_tickCount(0)
{
ui->setupUi(this);
@ -168,23 +173,12 @@ void LocalSinkGUI::applySettings(bool force)
}
}
void LocalSinkGUI::applyChannelSettings()
{
if (m_doApplySettings)
{
LocalSink::MsgConfigureChannelizer *msgChan = LocalSink::MsgConfigureChannelizer::create(
m_settings.m_log2Decim,
m_settings.m_filterChainHash);
m_localSink->getInputMessageQueue()->push(msgChan);
}
}
void LocalSinkGUI::displaySettings()
{
m_channelMarker.blockSignals(true);
m_channelMarker.setCenterFrequency(0);
m_channelMarker.setTitle(m_settings.m_title);
m_channelMarker.setBandwidth(m_sampleRate); // TODO
m_channelMarker.setBandwidth(m_basebandSampleRate / (1<<m_settings.m_log2Decim));
m_channelMarker.setMovable(false); // do not let user move the center arbitrarily
m_channelMarker.blockSignals(false);
m_channelMarker.setColor(m_settings.m_rgbColor); // activate signal on the last setting only
@ -203,6 +197,7 @@ void LocalSinkGUI::displaySettings()
ui->decimationFactor->setCurrentIndex(m_settings.m_log2Decim);
applyDecimation();
displayStreamIndex();
blockApplySettings(false);
}
@ -217,8 +212,8 @@ void LocalSinkGUI::displayStreamIndex()
void LocalSinkGUI::displayRateAndShift()
{
int shift = m_shiftFrequencyFactor * m_sampleRate;
double channelSampleRate = ((double) m_sampleRate) / (1<<m_settings.m_log2Decim);
int shift = m_shiftFrequencyFactor * m_basebandSampleRate;
double channelSampleRate = ((double) m_basebandSampleRate) / (1<<m_settings.m_log2Decim);
QLocale loc;
ui->offsetFrequencyText->setText(tr("%1 Hz").arg(loc.toString(shift)));
ui->channelRateText->setText(tr("%1k").arg(QString::number(channelSampleRate / 1000.0, 'g', 5)));
@ -238,6 +233,20 @@ void LocalSinkGUI::updateLocalDevices()
}
}
int LocalSinkGUI::getLocalDeviceIndexInCombo(int localDeviceIndex)
{
int index = 0;
for (; index < ui->localDevice->count(); index++)
{
if (localDeviceIndex == ui->localDevice->itemData(index).toInt()) {
return index;
}
}
return -1;
}
void LocalSinkGUI::leaveEvent(QEvent*)
{
m_channelMarker.setHighlighted(false);
@ -334,6 +343,17 @@ void LocalSinkGUI::on_localDevicesRefresh_clicked(bool checked)
{
(void) checked;
updateLocalDevices();
int index = getLocalDeviceIndexInCombo(m_settings.m_localDeviceIndex);
if (index >= 0) {
ui->localDevice->setCurrentIndex(index);
}
}
void LocalSinkGUI::on_localDevicePlay_toggled(bool checked)
{
m_settings.m_play = checked;
applySettings();
}
void LocalSinkGUI::applyDecimation()
@ -358,7 +378,7 @@ void LocalSinkGUI::applyPosition()
ui->filterChainText->setText(s);
displayRateAndShift();
applyChannelSettings();
applySettings();
}
void LocalSinkGUI::tick()

5
plugins/channelrx/localsink/localsinkgui.h
View File

@ -62,7 +62,7 @@ private:
DeviceUISet* m_deviceUISet;
ChannelMarker m_channelMarker;
LocalSinkSettings m_settings;
int m_sampleRate;
int m_basebandSampleRate;
double m_shiftFrequencyFactor; //!< Channel frequency shift factor
bool m_doApplySettings;
@ -77,11 +77,11 @@ private:
void blockApplySettings(bool block);
void applySettings(bool force = false);
void applyChannelSettings();
void displaySettings();
void displayStreamIndex();
void displayRateAndShift();
void updateLocalDevices();
int getLocalDeviceIndexInCombo(int localDeviceIndex);
void leaveEvent(QEvent*);
void enterEvent(QEvent*);
@ -95,6 +95,7 @@ private slots:
void on_position_valueChanged(int value);
void on_localDevice_currentIndexChanged(int index);
void on_localDevicesRefresh_clicked(bool checked);
void on_localDevicePlay_toggled(bool checked);
void onWidgetRolled(QWidget* widget, bool rollDown);
void onMenuDialogCalled(const QPoint& p);
void tick();

20
plugins/channelrx/localsink/localsinkgui.ui
View File

@ -298,6 +298,21 @@
</property>
</widget>
</item>
<item>
<widget class="ButtonSwitch" name="localDevicePlay">
<property name="toolTip">
<string>Start/Stop sink</string>
</property>
<property name="text">
<string/>
</property>
<property name="icon">
<iconset resource="../../../sdrgui/resources/res.qrc">
<normaloff>:/play.png</normaloff>
<normalon>:/pause.png</normalon>:/play.png</iconset>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
@ -323,6 +338,11 @@
<header>gui/rollupwidget.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>ButtonSwitch</class>
<extends>QToolButton</extends>
<header>gui/buttonswitch.h</header>
</customwidget>
</customwidgets>
<resources>
<include location="../../../sdrgui/resources/res.qrc"/>

2
plugins/channelrx/localsink/localsinkplugin.cpp
View File

@ -29,7 +29,7 @@
const PluginDescriptor LocalSinkPlugin::m_pluginDescriptor = {
QString("Local channel sink"),
QString("4.11.6"),
QString("4.12.2"),
QString("(c) Edouard Griffiths, F4EXB"),
QString("https://github.com/f4exb/sdrangel"),
true,

1
plugins/channelrx/localsink/localsinksettings.cpp
View File

@ -36,6 +36,7 @@ void LocalSinkSettings::resetToDefaults()
m_log2Decim = 0;
m_filterChainHash = 0;
m_channelMarker = nullptr;
m_play = false;
m_streamIndex = 0;
m_useReverseAPI = false;
m_reverseAPIAddress = "127.0.0.1";

1
plugins/channelrx/localsink/localsinksettings.h
View File

@ -30,6 +30,7 @@ struct LocalSinkSettings
QString m_title;
uint32_t m_log2Decim;
uint32_t m_filterChainHash;
bool m_play;
int m_streamIndex; //!< MIMO channel. Not relevant when connected to SI (single Rx).
bool m_useReverseAPI;
QString m_reverseAPIAddress;

99
plugins/channelrx/localsink/localsinksink.cpp Normal file
View File

@ -0,0 +1,99 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include <boost/crc.hpp>
#include <boost/cstdint.hpp>
#include "dsp/devicesamplesource.h"
#include "dsp/hbfilterchainconverter.h"
#include "localsinkthread.h"
#include "localsinksink.h"
LocalSinkSink::LocalSinkSink() :
m_sinkThread(nullptr),
m_running(false),
m_centerFrequency(0),
m_frequencyOffset(0),
m_sampleRate(48000),
m_deviceSampleRate(48000)
{
applySettings(m_settings, true);
}
LocalSinkSink::~LocalSinkSink()
{
}
void LocalSinkSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
emit samplesAvailable((const quint8*) &(*begin), (end-begin)*sizeof(Sample));
}
void LocalSinkSink::start(DeviceSampleSource *deviceSource)
{
qDebug("LocalSinkSink::start");
if (m_running) {
stop();
}
m_sinkThread = new LocalSinkThread();
if (deviceSource) {
m_sinkThread->setSampleFifo(deviceSource->getSampleFifo());
}
connect(this,
SIGNAL(samplesAvailable(const quint8*, uint)),
m_sinkThread,
SLOT(processSamples(const quint8*, uint)),
Qt::QueuedConnection);
m_sinkThread->startStop(true);
m_running = true;
}
void LocalSinkSink::stop()
{
qDebug("LocalSinkSink::stop");
disconnect(this,
SIGNAL(samplesAvailable(const quint8*, uint)),
m_sinkThread,
SLOT(processSamples(const quint8*, uint)));
if (m_sinkThread != 0)
{
m_sinkThread->startStop(false);
m_sinkThread->deleteLater();
m_sinkThread = 0;
}
m_running = false;
}
void LocalSinkSink::applySettings(const LocalSinkSettings& settings, bool force)
{
qDebug() << "LocalSinkSink::applySettings:"
<< " m_localDeviceIndex: " << settings.m_localDeviceIndex
<< " m_streamIndex: " << settings.m_streamIndex
<< " force: " << force;
m_settings = settings;
}

58
plugins/channelrx/localsink/localsinksink.h Normal file
View File

@ -0,0 +1,58 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_LOCALSINKSINK_H_
#define INCLUDE_LOCALSINKSINK_H_
#include <QObject>
#include "dsp/channelsamplesink.h"
#include "localsinksettings.h"
class DeviceSampleSource;
class LocalSinkThread;
class LocalSinkSink : public QObject, public ChannelSampleSink {
Q_OBJECT
public:
LocalSinkSink();
~LocalSinkSink();
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
void applySettings(const LocalSinkSettings& settings, bool force = false);
void start(DeviceSampleSource *deviceSource);
void stop();
bool isRunning() const { return m_running; }
signals:
void samplesAvailable(const quint8* data, uint count);
private:
LocalSinkSettings m_settings;
LocalSinkThread *m_sinkThread;
bool m_running;
uint64_t m_centerFrequency;
int64_t m_frequencyOffset;
uint32_t m_sampleRate;
uint32_t m_deviceSampleRate;
};
#endif // INCLUDE_LOCALSINKSINK_H_

8
plugins/channelrx/udpsink/CMakeLists.txt
View File

@ -1,14 +1,18 @@
project(udpsink)
set(udpsink_SOURCES
udpsink.cpp
udpsink.cpp
udpsinksink.cpp
udpsinkbaseband.cpp
udpsinkplugin.cpp
udpsinksettings.cpp
udpsinkwebapiadapter.cpp
)
set(udpsink_HEADERS
udpsink.h
udpsink.h
udpsinksink.h
udpsinkbaseband.h
udpsinkplugin.h
udpsinksettings.h
udpsinkwebapiadapter.h

588
plugins/channelrx/udpsink/udpsink.cpp
View File

@ -21,6 +21,7 @@
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include <QThread>
#include "SWGChannelSettings.h"
#include "SWGUDPSinkSettings.h"
@ -37,11 +38,7 @@
#include "udpsink.h"
const Real UDPSink::m_agcTarget = 16384.0f;
MESSAGE_CLASS_DEFINITION(UDPSink::MsgConfigureUDPSource, Message)
MESSAGE_CLASS_DEFINITION(UDPSink::MsgConfigureChannelizer, Message)
MESSAGE_CLASS_DEFINITION(UDPSink::MsgUDPSinkSpectrum, Message)
MESSAGE_CLASS_DEFINITION(UDPSink::MsgConfigureUDPSink, Message)
const QString UDPSink::m_channelIdURI = "sdrangel.channel.udpsink";
const QString UDPSink::m_channelId = "UDPSink";
@ -49,71 +46,18 @@ const QString UDPSink::m_channelId = "UDPSink";
UDPSink::UDPSink(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_inputSampleRate(48000),
m_inputFrequencyOffset(0),
m_outMovingAverage(480, 1e-10),
m_inMovingAverage(480, 1e-10),
m_amMovingAverage(1200, 1e-10),
m_audioFifo(24000),
m_spectrum(0),
m_squelch(1e-6),
m_squelchOpen(false),
m_squelchOpenCount(0),
m_squelchCloseCount(0),
m_squelchGate(4800),
m_squelchRelease(4800),
m_agc(9600, m_agcTarget, 1e-6),
m_settingsMutex(QMutex::Recursive)
m_channelSampleRate(48000),
m_channelFrequencyOffset(0)
{
setObjectName(m_channelId);
m_udpBuffer16 = new UDPSinkUtil<Sample16>(this, udpBlockSize, m_settings.m_udpPort);
m_udpBufferMono16 = new UDPSinkUtil<int16_t>(this, udpBlockSize, m_settings.m_udpPort);
m_udpBuffer24 = new UDPSinkUtil<Sample24>(this, udpBlockSize, m_settings.m_udpPort);
m_audioSocket = new QUdpSocket(this);
m_udpAudioBuf = new char[m_udpAudioPayloadSize];
m_thread = new QThread(this);
m_basebandSink = new UDPSinkBaseband();
m_basebandSink->moveToThread(m_thread);
m_audioBuffer.resize(1<<9);
m_audioBufferFill = 0;
applySettings(m_settings, true);
m_nco.setFreq(0, m_inputSampleRate);
m_interpolator.create(16, m_inputSampleRate, m_settings.m_rfBandwidth / 2.0);
m_sampleDistanceRemain = m_inputSampleRate / m_settings.m_outputSampleRate;
m_spectrumEnabled = false;
m_nextSSBId = 0;
m_nextS16leId = 0;
m_last = 0;
m_this = 0;
m_scale = 0;
m_magsq = 0;
m_inMagsq = 0;
UDPFilter = new fftfilt(0.0, (m_settings.m_rfBandwidth / 2.0) / m_settings.m_outputSampleRate, udpBlockSize);
m_phaseDiscri.setFMScaling((float) m_settings. m_outputSampleRate / (2.0f * m_settings.m_fmDeviation));
if (m_audioSocket->bind(QHostAddress::LocalHost, m_settings.m_audioPort))
{
qDebug("UDPSink::UDPSink: bind audio socket to port %d", m_settings.m_audioPort);
connect(m_audioSocket, SIGNAL(readyRead()), this, SLOT(audioReadyRead()), Qt::QueuedConnection);
}
else
{
qWarning("UDPSink::UDPSink: cannot bind audio port");
}
m_agc.setClampMax(SDR_RX_SCALED*SDR_RX_SCALED);
m_agc.setClamping(true);
//DSPEngine::instance()->addAudioSink(&m_audioFifo);
applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
applySettings(m_settings, true);
m_channelizer = new DownChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
m_deviceAPI->addChannelSink(m_threadedChannelizer);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
m_networkManager = new QNetworkAccessManager();
@ -124,23 +68,10 @@ UDPSink::~UDPSink()
{
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
delete m_audioSocket;
delete m_udpBuffer24;
delete m_udpBuffer16;
delete m_udpBufferMono16;
delete[] m_udpAudioBuf;
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(&m_audioFifo);
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
delete UDPFilter;
}
void UDPSink::setSpectrum(MessageQueue* messageQueue, bool enabled)
{
Message* cmd = MsgUDPSinkSpectrum::create(enabled);
messageQueue->push(cmd);
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(this);
delete m_basebandSink;
delete m_thread;
}
uint32_t UDPSink::getNumberOfDeviceStreams() const
@ -150,355 +81,57 @@ uint32_t UDPSink::getNumberOfDeviceStreams() const
void UDPSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly)
{
Complex ci;
fftfilt::cmplx* sideband;
double l, r;
m_sampleBuffer.clear();
m_settingsMutex.lock();
for(SampleVector::const_iterator it = begin; it < end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if(m_interpolator.decimate(&m_sampleDistanceRemain, c, &ci))
{
double inMagSq;
double agcFactor = 1.0;
if ((m_settings.m_agc) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatNFM) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatNFMMono) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatIQ16) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatIQ24))
{
agcFactor = m_agc.feedAndGetValue(ci);
inMagSq = m_agc.getMagSq();
}
else
{
inMagSq = ci.real()*ci.real() + ci.imag()*ci.imag();
}
m_inMovingAverage.feed(inMagSq / (SDR_RX_SCALED*SDR_RX_SCALED));
m_inMagsq = m_inMovingAverage.average();
Sample ss(ci.real(), ci.imag());
m_sampleBuffer.push_back(ss);
m_sampleDistanceRemain += m_inputSampleRate / m_settings.m_outputSampleRate;
calculateSquelch(m_inMagsq);
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatLSB) // binaural LSB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, false);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? sideband[i].real() * m_settings.m_gain : 0;
r = m_squelchOpen ? sideband[i].imag() * m_settings.m_gain : 0;
udpWrite(l, r);
m_outMovingAverage.feed((l*l + r*r) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatUSB) // binaural USB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, true);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? sideband[i].real() * m_settings.m_gain : 0;
r = m_squelchOpen ? sideband[i].imag() * m_settings.m_gain : 0;
udpWrite(l, r);
m_outMovingAverage.feed((l*l + r*r) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatNFM)
{
Real discri = m_squelchOpen ? m_phaseDiscri.phaseDiscriminator(ci) * m_settings.m_gain : 0;
udpWriteNorm(discri, discri);
m_outMovingAverage.feed(discri*discri);
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatNFMMono)
{
Real discri = m_squelchOpen ? m_phaseDiscri.phaseDiscriminator(ci) * m_settings.m_gain : 0;
udpWriteNormMono(discri);
m_outMovingAverage.feed(discri*discri);
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatLSBMono) // Monaural LSB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, false);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? (sideband[i].real() + sideband[i].imag()) * 0.7 * m_settings.m_gain : 0;
udpWriteMono(l);
m_outMovingAverage.feed((l * l) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatUSBMono) // Monaural USB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, true);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? (sideband[i].real() + sideband[i].imag()) * 0.7 * m_settings.m_gain : 0;
udpWriteMono(l);
m_outMovingAverage.feed((l * l) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatAMMono)
{
Real amplitude = m_squelchOpen ? sqrt(inMagSq) * agcFactor * m_settings.m_gain : 0;
FixReal demod = (FixReal) amplitude;
udpWriteMono(demod);
m_outMovingAverage.feed((amplitude/SDR_RX_SCALEF)*(amplitude/SDR_RX_SCALEF));
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatAMNoDCMono)
{
if (m_squelchOpen)
{
double demodf = sqrt(inMagSq);
m_amMovingAverage.feed(demodf);
Real amplitude = (demodf - m_amMovingAverage.average()) * agcFactor * m_settings.m_gain;
FixReal demod = (FixReal) amplitude;
udpWriteMono(demod);
m_outMovingAverage.feed((amplitude/SDR_RX_SCALEF)*(amplitude/SDR_RX_SCALEF));
}
else
{
udpWriteMono(0);
m_outMovingAverage.feed(0);
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatAMBPFMono)
{
if (m_squelchOpen)
{
double demodf = sqrt(inMagSq);
demodf = m_bandpass.filter(demodf);
demodf /= 301.0;
Real amplitude = demodf * agcFactor * m_settings.m_gain;
FixReal demod = (FixReal) amplitude;
udpWriteMono(demod);
m_outMovingAverage.feed((amplitude/SDR_RX_SCALEF)*(amplitude/SDR_RX_SCALEF));
}
else
{
udpWriteMono(0);
m_outMovingAverage.feed(0);
}
}
else // Raw I/Q samples
{
if (m_squelchOpen)
{
udpWrite(ci.real() * m_settings.m_gain, ci.imag() * m_settings.m_gain);
m_outMovingAverage.feed((inMagSq*m_settings.m_gain*m_settings.m_gain) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
else
{
udpWrite(0, 0);
m_outMovingAverage.feed(0);
}
}
m_magsq = m_outMovingAverage.average();
}
}
//qDebug() << "UDPSink::feed: " << m_sampleBuffer.size() * 4;
if((m_spectrum != 0) && (m_spectrumEnabled))
{
m_spectrum->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), positiveOnly);
}
m_settingsMutex.unlock();
(void) positiveOnly;
m_basebandSink->feed(begin, end);
}
void UDPSink::start()
{
m_phaseDiscri.reset();
applyChannelSettings(m_inputSampleRate, m_inputFrequencyOffset, true);
qDebug() << "UDPSink::start";
if (m_basebandSampleRate != 0) {
m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
}
m_basebandSink->reset();
m_thread->start();
}
void UDPSink::stop()
{
qDebug() << "UDPSink::stop";
m_thread->exit();
m_thread->wait();
}
bool UDPSink::handleMessage(const Message& cmd)
{
if (DownChannelizer::MsgChannelizerNotification::match(cmd))
{
DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
qDebug() << "UDPSink::handleMessage: MsgChannelizerNotification: m_inputSampleRate: " << notif.getSampleRate()
<< " frequencyOffset: " << notif.getFrequencyOffset();
applyChannelSettings(notif.getSampleRate(), notif.getFrequencyOffset());
return true;
}
else if (MsgConfigureChannelizer::match(cmd))
if (MsgConfigureUDPSink::match(cmd))
{
MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
qDebug() << "UDPSink::handleMessage: MsgConfigureChannelizer:"
<< " sampleRate: " << cfg.getSampleRate()
<< " centerFrequency: " << cfg.getCenterFrequency();
m_channelizer->configure(m_channelizer->getInputMessageQueue(),
cfg.getSampleRate(),
cfg.getCenterFrequency());
return true;
}
else if (MsgConfigureUDPSource::match(cmd))
{
MsgConfigureUDPSource& cfg = (MsgConfigureUDPSource&) cmd;
qDebug("UDPSink::handleMessage: MsgConfigureUDPSource");
MsgConfigureUDPSink& cfg = (MsgConfigureUDPSink&) cmd;
qDebug("UDPSink::handleMessage: MsgConfigureUDPSink");
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (MsgUDPSinkSpectrum::match(cmd))
{
MsgUDPSinkSpectrum& spc = (MsgUDPSinkSpectrum&) cmd;
m_spectrumEnabled = spc.getEnabled();
qDebug() << "UDPSink::handleMessage: MsgUDPSinkSpectrum: m_spectrumEnabled: " << m_spectrumEnabled;
return true;
}
else if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
m_basebandSampleRate = notif.getSampleRate();
// Forward to the sink
DSPSignalNotification* rep = new DSPSignalNotification(notif); // make a copy
qDebug() << "UDPSink::handleMessage: DSPSignalNotification";
m_basebandSink->getInputMessageQueue()->push(rep);
return true;
}
else
{
if(m_spectrum != 0)
{
return m_spectrum->handleMessage(cmd);
}
else
{
return false;
}
return false;
}
}
void UDPSink::audioReadyRead()
{
while (m_audioSocket->hasPendingDatagrams())
{
qint64 pendingDataSize = m_audioSocket->pendingDatagramSize();
qint64 udpReadBytes = m_audioSocket->readDatagram(m_udpAudioBuf, pendingDataSize, 0, 0);
//qDebug("UDPSink::audioReadyRead: %lld", udpReadBytes);
if (m_settings.m_audioActive)
{
if (m_settings.m_audioStereo)
{
for (int i = 0; i < udpReadBytes - 3; i += 4)
{
qint16 l_sample = (qint16) *(&m_udpAudioBuf[i]);
qint16 r_sample = (qint16) *(&m_udpAudioBuf[i+2]);
m_audioBuffer[m_audioBufferFill].l = l_sample * m_settings.m_volume;
m_audioBuffer[m_audioBufferFill].r = r_sample * m_settings.m_volume;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill)
{
qDebug("UDPSink::audioReadyRead: (stereo) lost %u samples", m_audioBufferFill - res);
}
m_audioBufferFill = 0;
}
}
}
else
{
for (int i = 0; i < udpReadBytes - 1; i += 2)
{
qint16 sample = (qint16) *(&m_udpAudioBuf[i]);
m_audioBuffer[m_audioBufferFill].l = sample * m_settings.m_volume;
m_audioBuffer[m_audioBufferFill].r = sample * m_settings.m_volume;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill)
{
qDebug("UDPSink::audioReadyRead: (mono) lost %u samples", m_audioBufferFill - res);
}
m_audioBufferFill = 0;
}
}
}
if (m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill) != m_audioBufferFill)
{
qDebug("UDPSink::audioReadyRead: lost samples");
}
m_audioBufferFill = 0;
}
}
//qDebug("UDPSink::audioReadyRead: done");
}
void UDPSink::applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force)
{
qDebug() << "UDPSink::applyChannelSettings:"
<< " inputSampleRate: " << inputSampleRate
<< " inputFrequencyOffset: " << inputFrequencyOffset;
if((inputFrequencyOffset != m_inputFrequencyOffset) ||
(inputSampleRate != m_inputSampleRate) || force)
{
m_nco.setFreq(-inputFrequencyOffset, inputSampleRate);
}
if ((inputSampleRate != m_inputSampleRate) || force)
{
m_settingsMutex.lock();
m_interpolator.create(16, inputSampleRate, m_settings.m_rfBandwidth / 2.0);
m_sampleDistanceRemain = inputSampleRate / m_settings.m_outputSampleRate;
m_settingsMutex.unlock();
}
m_inputSampleRate = inputSampleRate;
m_inputFrequencyOffset = inputFrequencyOffset;
}
void UDPSink::applySettings(const UDPSinkSettings& settings, bool force)
{
qDebug() << "UDPSink::applySettings:"
@ -577,133 +210,22 @@ void UDPSink::applySettings(const UDPSinkSettings& settings, bool force)
reverseAPIKeys.append("audioPort");
}
m_settingsMutex.lock();
if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) ||
(settings.m_rfBandwidth != m_settings.m_rfBandwidth) ||
(settings.m_outputSampleRate != m_settings.m_outputSampleRate) || force)
{
m_interpolator.create(16, m_inputSampleRate, settings.m_rfBandwidth / 2.0);
m_sampleDistanceRemain = m_inputSampleRate / settings.m_outputSampleRate;
if ((settings.m_sampleFormat == UDPSinkSettings::FormatLSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatLSBMono) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSBMono))
{
m_squelchGate = settings.m_outputSampleRate * 0.05;
}
else
{
m_squelchGate = (settings.m_outputSampleRate * settings.m_squelchGate) / 100;
}
m_squelchRelease = (settings.m_outputSampleRate * settings.m_squelchGate) / 100;
initSquelch(m_squelchOpen);
m_agc.resize(settings.m_outputSampleRate/5, settings.m_outputSampleRate/20, m_agcTarget); // Fixed 200 ms
int stepDownDelay = (settings.m_outputSampleRate * (settings.m_squelchGate == 0 ? 1 : settings.m_squelchGate))/100;
m_agc.setStepDownDelay(stepDownDelay);
m_agc.setGate(settings.m_outputSampleRate * 0.05);
m_bandpass.create(301, settings.m_outputSampleRate, 300.0, settings.m_rfBandwidth / 2.0f);
m_inMovingAverage.resize(settings.m_outputSampleRate * 0.01, 1e-10); // 10 ms
m_amMovingAverage.resize(settings.m_outputSampleRate * 0.005, 1e-10); // 5 ms
m_outMovingAverage.resize(settings.m_outputSampleRate * 0.01, 1e-10); // 10 ms
}
if ((settings.m_audioActive != m_settings.m_audioActive) || force)
{
if (settings.m_audioActive)
{
m_audioBufferFill = 0;
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifo, getInputMessageQueue());
}
else
{
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(&m_audioFifo);
}
}
if ((settings.m_squelchGate != m_settings.m_squelchGate) || force)
{
if ((settings.m_sampleFormat == UDPSinkSettings::FormatLSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatLSBMono) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSBMono))
{
m_squelchGate = settings.m_outputSampleRate * 0.05;
}
else
{
m_squelchGate = (settings.m_outputSampleRate * settings.m_squelchGate)/100;
}
m_squelchRelease = (settings.m_outputSampleRate * settings.m_squelchGate)/100;
initSquelch(m_squelchOpen);
int stepDownDelay = (settings.m_outputSampleRate * (settings.m_squelchGate == 0 ? 1 : settings.m_squelchGate))/100;
m_agc.setStepDownDelay(stepDownDelay); // same delay for up and down
}
if ((settings.m_squelchdB != m_settings.m_squelchdB) || force)
{
m_squelch = CalcDb::powerFromdB(settings.m_squelchdB);
m_agc.setThreshold(m_squelch*(1<<23));
}
if ((settings.m_udpAddress != m_settings.m_udpAddress) || force)
{
m_udpBuffer16->setAddress(const_cast<QString&>(settings.m_udpAddress));
m_udpBufferMono16->setAddress(const_cast<QString&>(settings.m_udpAddress));
m_udpBuffer24->setAddress(const_cast<QString&>(settings.m_udpAddress));
}
if ((settings.m_udpPort != m_settings.m_udpPort) || force)
{
m_udpBuffer16->setPort(settings.m_udpPort);
m_udpBufferMono16->setPort(settings.m_udpPort);
m_udpBuffer24->setPort(settings.m_udpPort);
}
if ((settings.m_audioPort != m_settings.m_audioPort) || force)
{
disconnect(m_audioSocket, SIGNAL(readyRead()), this, SLOT(audioReadyRead()));
delete m_audioSocket;
m_audioSocket = new QUdpSocket(this);
if (m_audioSocket->bind(QHostAddress::LocalHost, settings.m_audioPort))
{
connect(m_audioSocket, SIGNAL(readyRead()), this, SLOT(audioReadyRead()), Qt::QueuedConnection);
qDebug("UDPSink::handleMessage: audio socket bound to port %d", settings.m_audioPort);
}
else
{
qWarning("UDPSink::handleMessage: cannot bind audio socket");
}
}
if ((settings.m_fmDeviation != m_settings.m_fmDeviation) || force)
{
m_phaseDiscri.setFMScaling((float) settings.m_outputSampleRate / (2.0f * settings.m_fmDeviation));
}
m_settingsMutex.unlock();
if (m_settings.m_streamIndex != settings.m_streamIndex)
{
if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
{
m_deviceAPI->removeChannelSinkAPI(this, m_settings.m_streamIndex);
m_deviceAPI->removeChannelSink(m_threadedChannelizer, m_settings.m_streamIndex);
m_deviceAPI->addChannelSink(m_threadedChannelizer, settings.m_streamIndex);
m_deviceAPI->removeChannelSink(this, m_settings.m_streamIndex);
m_deviceAPI->addChannelSink(this, settings.m_streamIndex);
m_deviceAPI->addChannelSinkAPI(this, settings.m_streamIndex);
// apply stream sample rate to itself
applyChannelSettings(m_deviceAPI->getSampleMIMO()->getSourceSampleRate(settings.m_streamIndex), m_inputFrequencyOffset);
}
reverseAPIKeys.append("streamIndex");
}
UDPSinkBaseband::MsgConfigureUDPSinkBaseband *msg = UDPSinkBaseband::MsgConfigureUDPSinkBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
if (settings.m_useReverseAPI)
{
bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
@ -726,14 +248,14 @@ bool UDPSink::deserialize(const QByteArray& data)
{
if (m_settings.deserialize(data))
{
MsgConfigureUDPSource *msg = MsgConfigureUDPSource::create(m_settings, true);
MsgConfigureUDPSink *msg = MsgConfigureUDPSink::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureUDPSource *msg = MsgConfigureUDPSource::create(m_settings, true);
MsgConfigureUDPSink *msg = MsgConfigureUDPSink::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
@ -760,21 +282,13 @@ int UDPSink::webapiSettingsPutPatch(
UDPSinkSettings settings = m_settings;
webapiUpdateChannelSettings(settings, channelSettingsKeys, response);
if (m_settings.m_inputFrequencyOffset != settings.m_inputFrequencyOffset)
{
UDPSink::MsgConfigureChannelizer *msgChan = UDPSink::MsgConfigureChannelizer::create(
(int) settings.m_outputSampleRate,
(int) settings.m_inputFrequencyOffset);
m_inputMessageQueue.push(msgChan);
}
MsgConfigureUDPSource *msg = MsgConfigureUDPSource::create(settings, force);
MsgConfigureUDPSink *msg = MsgConfigureUDPSink::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("getUdpSinkSettings::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureUDPSource *msgToGUI = MsgConfigureUDPSource::create(settings, force);
MsgConfigureUDPSink *msgToGUI = MsgConfigureUDPSink::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
@ -927,8 +441,8 @@ void UDPSink::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
response.getUdpSinkReport()->setChannelPowerDb(CalcDb::dbPower(getInMagSq()));
response.getUdpSinkReport()->setOutputPowerDb(CalcDb::dbPower(getMagSq()));
response.getUdpSinkReport()->setSquelch(m_squelchOpen ? 1 : 0);
response.getUdpSinkReport()->setInputSampleRate(m_inputSampleRate);
response.getUdpSinkReport()->setSquelch(getSquelchOpen() ? 1 : 0);
response.getUdpSinkReport()->setInputSampleRate(m_channelSampleRate);
}
void UDPSink::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const UDPSinkSettings& settings, bool force)
@ -1044,3 +558,9 @@ void UDPSink::networkManagerFinished(QNetworkReply *reply)
reply->deleteLater();
}
void UDPSink::enableSpectrum(bool enable)
{
UDPSinkBaseband::MsgEnableSpectrum *msg = UDPSinkBaseband::MsgEnableSpectrum::create(enable);
m_basebandSink->getInputMessageQueue()->push(msg);
}

265
plugins/channelrx/udpsink/udpsink.h
View File

@ -16,56 +16,43 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_UDPSRC_H
#define INCLUDE_UDPSRC_H
#ifndef INCLUDE_UDPSINK_H
#define INCLUDE_UDPSINK_H
#include <QMutex>
#include <QHostAddress>
#include <QNetworkRequest>
#include "dsp/basebandsamplesink.h"
#include "channel/channelapi.h"
#include "dsp/nco.h"
#include "dsp/fftfilt.h"
#include "dsp/interpolator.h"
#include "dsp/phasediscri.h"
#include "dsp/movingaverage.h"
#include "dsp/agc.h"
#include "dsp/bandpass.h"
#include "util/udpsinkutil.h"
#include "util/message.h"
#include "audio/audiofifo.h"
#include "udpsinksettings.h"
#include "udpsinkbaseband.h"
class QNetworkAccessManager;
class QNetworkReply;
class QUdpSocket;
class DeviceAPI;
class ThreadedBasebandSampleSink;
class DownChannelizer;
class UDPSink : public BasebandSampleSink, public ChannelAPI {
Q_OBJECT
public:
class MsgConfigureUDPSource : public Message {
class MsgConfigureUDPSink : public Message {
MESSAGE_CLASS_DECLARATION
public:
const UDPSinkSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureUDPSource* create(const UDPSinkSettings& settings, bool force)
static MsgConfigureUDPSink* create(const UDPSinkSettings& settings, bool force)
{
return new MsgConfigureUDPSource(settings, force);
return new MsgConfigureUDPSink(settings, force);
}
private:
UDPSinkSettings m_settings;
bool m_force;
MsgConfigureUDPSource(const UDPSinkSettings& settings, bool force) :
MsgConfigureUDPSink(const UDPSinkSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
@ -73,38 +60,16 @@ public:
}
};
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)
{ }
};
UDPSink(DeviceAPI *deviceAPI);
virtual ~UDPSink();
virtual void destroy() { delete this; }
void setSpectrum(BasebandSampleSink* spectrum) { m_spectrum = spectrum; }
void setSpectrum(MessageQueue* messageQueue, bool enabled);
double getMagSq() const { return m_magsq; }
double getInMagSq() const { return m_inMagsq; }
bool getSquelchOpen() const { return m_squelchOpen; }
void setSpectrum(BasebandSampleSink* spectrum) { m_basebandSink->setSpectrum(spectrum); }
void enableSpectrum(bool enable);
void setSpectrumPositiveOnly(bool positiveOnly) { m_basebandSink->setSpectrumPositiveOnly(positiveOnly); }
double getMagSq() const { return m_basebandSink->getMagSq(); }
double getInMagSq() const { return m_basebandSink->getInMagSq(); }
bool getSquelchOpen() const { return m_basebandSink->getSquelchOpen(); }
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
virtual void start();
@ -164,212 +129,22 @@ private slots:
void networkManagerFinished(QNetworkReply *reply);
protected:
class MsgUDPSinkSpectrum : public Message {
MESSAGE_CLASS_DECLARATION
public:
bool getEnabled() const { return m_enabled; }
static MsgUDPSinkSpectrum* create(bool enabled)
{
return new MsgUDPSinkSpectrum(enabled);
}
private:
bool m_enabled;
MsgUDPSinkSpectrum(bool enabled) :
Message(),
m_enabled(enabled)
{ }
};
struct Sample16
{
Sample16() : m_r(0), m_i(0) {}
Sample16(int16_t r, int16_t i) : m_r(r), m_i(i) {}
int16_t m_r;
int16_t m_i;
};
struct Sample24
{
Sample24() : m_r(0), m_i(0) {}
Sample24(int32_t r, int32_t i) : m_r(r), m_i(i) {}
int32_t m_r;
int32_t m_i;
};
DeviceAPI *m_deviceAPI;
ThreadedBasebandSampleSink* m_threadedChannelizer;
DownChannelizer* m_channelizer;
int m_inputSampleRate;
int m_inputFrequencyOffset;
DeviceAPI* m_deviceAPI;
QThread *m_thread;
UDPSinkBaseband* m_basebandSink;
UDPSinkSettings m_settings;
int m_basebandSampleRate; //!< stored from device message used when starting baseband sink
QUdpSocket *m_audioSocket;
double m_magsq;
double m_inMagsq;
MovingAverage<double> m_outMovingAverage;
MovingAverage<double> m_inMovingAverage;
MovingAverage<double> m_amMovingAverage;
Real m_scale;
Complex m_last, m_this;
NCO m_nco;
Interpolator m_interpolator;
Real m_sampleDistanceRemain;
fftfilt* UDPFilter;
SampleVector m_sampleBuffer;
UDPSinkUtil<Sample16> *m_udpBuffer16;
UDPSinkUtil<int16_t> *m_udpBufferMono16;
UDPSinkUtil<Sample24> *m_udpBuffer24;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
AudioFifo m_audioFifo;
BasebandSampleSink* m_spectrum;
bool m_spectrumEnabled;
quint32 m_nextSSBId;
quint32 m_nextS16leId;
char *m_udpAudioBuf;
static const int m_udpAudioPayloadSize = 8192; //!< UDP audio samples buffer. No UDP block on Earth is larger than this
static const Real m_agcTarget;
PhaseDiscriminators m_phaseDiscri;
double m_squelch;
bool m_squelchOpen;
int m_squelchOpenCount;
int m_squelchCloseCount;
int m_squelchGate; //!< number of samples computed from given gate
int m_squelchRelease;
MagAGC m_agc;
Bandpass<double> m_bandpass;
int m_channelSampleRate;
int m_channelFrequencyOffset;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
QMutex m_settingsMutex;
void applyChannelSettings(int inputSampleRate, int inputFrequencyOffset, bool force = true);
void applySettings(const UDPSinkSettings& settings, bool force = false);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const UDPSinkSettings& settings, bool force);
inline void calculateSquelch(double value)
{
if ((!m_settings.m_squelchEnabled) || (value > m_squelch))
{
if (m_squelchGate == 0)
{
m_squelchOpen = true;
}
else
{
if (m_squelchOpenCount < m_squelchGate)
{
m_squelchOpenCount++;
}
else
{
m_squelchCloseCount = m_squelchRelease;
m_squelchOpen = true;
}
}
}
else
{
if (m_squelchGate == 0)
{
m_squelchOpen = false;
}
else
{
if (m_squelchCloseCount > 0)
{
m_squelchCloseCount--;
}
else
{
m_squelchOpenCount = 0;
m_squelchOpen = false;
}
}
}
}
inline void initSquelch(bool open)
{
if (open)
{
m_squelchOpen = true;
m_squelchOpenCount = m_squelchGate;
m_squelchCloseCount = m_squelchRelease;
}
else
{
m_squelchOpen = false;
m_squelchOpenCount = 0;
m_squelchCloseCount = 0;
}
}
void udpWrite(FixReal real, FixReal imag)
{
if (SDR_RX_SAMP_SZ == 16)
{
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ16) {
m_udpBuffer16->write(Sample16(real, imag));
} else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ24) {
m_udpBuffer24->write(Sample24(real<<8, imag<<8));
} else {
m_udpBuffer16->write(Sample16(real, imag));
}
}
else if (SDR_RX_SAMP_SZ == 24)
{
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ16) {
m_udpBuffer16->write(Sample16(real>>8, imag>>8));
} else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ24) {
m_udpBuffer24->write(Sample24(real, imag));
} else {
m_udpBuffer16->write(Sample16(real>>8, imag>>8));
}
}
}
void udpWriteMono(FixReal sample)
{
if (SDR_RX_SAMP_SZ == 16)
{
m_udpBufferMono16->write(sample);
}
else if (SDR_RX_SAMP_SZ == 24)
{
m_udpBufferMono16->write(sample>>8);
}
}
void udpWriteNorm(Real real, Real imag)
{
m_udpBuffer16->write(Sample16(real*32768.0, imag*32768.0));
}
void udpWriteNormMono(Real sample)
{
m_udpBufferMono16->write(sample*32768.0);
}
};
#endif // INCLUDE_UDPSRC_H
#endif // INCLUDE_UDPSINK_H

174
plugins/channelrx/udpsink/udpsinkbaseband.cpp Normal file
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@ -0,0 +1,174 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "dsp/downsamplechannelizer.h"
#include "udpsinkbaseband.h"
MESSAGE_CLASS_DEFINITION(UDPSinkBaseband::MsgConfigureUDPSinkBaseband, Message)
MESSAGE_CLASS_DEFINITION(UDPSinkBaseband::MsgEnableSpectrum, Message)
UDPSinkBaseband::UDPSinkBaseband() :
m_mutex(QMutex::Recursive)
{
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
m_channelizer = new DownSampleChannelizer(&m_sink);
qDebug("WFMDemodBaseband::WFMDemodBaseband");
QObject::connect(
&m_sampleFifo,
&SampleSinkFifo::dataReady,
this,
&UDPSinkBaseband::handleData,
Qt::QueuedConnection
);
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(m_sink.getAudioFifo(), getInputMessageQueue());
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
UDPSinkBaseband::~UDPSinkBaseband()
{
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_sink.getAudioFifo());
delete m_channelizer;
}
void UDPSinkBaseband::reset()
{
QMutexLocker mutexLocker(&m_mutex);
m_sampleFifo.reset();
}
void UDPSinkBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
m_sampleFifo.write(begin, end);
}
void UDPSinkBaseband::handleData()
{
QMutexLocker mutexLocker(&m_mutex);
while ((m_sampleFifo.fill() > 0) && (m_inputMessageQueue.size() == 0))
{
SampleVector::iterator part1begin;
SampleVector::iterator part1end;
SampleVector::iterator part2begin;
SampleVector::iterator part2end;
std::size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
// first part of FIFO data
if (part1begin != part1end) {
m_channelizer->feed(part1begin, part1end);
}
// second part of FIFO data (used when block wraps around)
if(part2begin != part2end) {
m_channelizer->feed(part2begin, part2end);
}
m_sampleFifo.readCommit((unsigned int) count);
}
}
void UDPSinkBaseband::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (handleMessage(*message)) {
delete message;
}
}
}
bool UDPSinkBaseband::handleMessage(const Message& cmd)
{
if (MsgConfigureUDPSinkBaseband::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureUDPSinkBaseband& cfg = (MsgConfigureUDPSinkBaseband&) cmd;
qDebug() << "UDPSinkBaseband::handleMessage: MsgConfigureUDPSinkBaseband";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (DSPSignalNotification::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
qDebug() << "UDPSinkBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate();
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(notif.getSampleRate()));
m_channelizer->setBasebandSampleRate(notif.getSampleRate());
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
return true;
}
else if (MsgEnableSpectrum::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgEnableSpectrum& notif = (MsgEnableSpectrum&) cmd;
qDebug() << "UDPSinkBaseband::MsgEnableSpectrum: enable:" << notif.getEnabled();
m_sink.enableSpectrum(notif.getEnabled());
return true;
}
else
{
return false;
}
}
void UDPSinkBaseband::applySettings(const UDPSinkSettings& settings, bool force)
{
if ((settings.m_audioActive != m_settings.m_audioActive) || force)
{
if (settings.m_audioActive) {
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(m_sink.getAudioFifo(), getInputMessageQueue());
} else {
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_sink.getAudioFifo());
}
}
if ((settings.m_outputSampleRate != m_settings.m_outputSampleRate)
|| (settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force)
{
m_channelizer->setChannelization(settings.m_outputSampleRate, settings.m_inputFrequencyOffset);
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
}
m_sink.applySettings(settings, force);
m_settings = settings;
}
int UDPSinkBaseband::getChannelSampleRate() const
{
return m_channelizer->getChannelSampleRate();
}
void UDPSinkBaseband::setBasebandSampleRate(int sampleRate)
{
m_channelizer->setBasebandSampleRate(sampleRate);
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
}

108
plugins/channelrx/udpsink/udpsinkbaseband.h Normal file
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@ -0,0 +1,108 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_UDPSINKBASEBAND_H
#define INCLUDE_UDPSINKBASEBAND_H
#include <QObject>
#include <QMutex>
#include "dsp/samplesinkfifo.h"
#include "util/message.h"
#include "util/messagequeue.h"
#include "udpsinksink.h"
class DownSampleChannelizer;
class UDPSinkBaseband : public QObject
{
Q_OBJECT
public:
class MsgConfigureUDPSinkBaseband : public Message {
MESSAGE_CLASS_DECLARATION
public:
const UDPSinkSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureUDPSinkBaseband* create(const UDPSinkSettings& settings, bool force)
{
return new MsgConfigureUDPSinkBaseband(settings, force);
}
private:
UDPSinkSettings m_settings;
bool m_force;
MsgConfigureUDPSinkBaseband(const UDPSinkSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{
}
};
class MsgEnableSpectrum : public Message {
MESSAGE_CLASS_DECLARATION
public:
bool getEnabled() { return m_enable; }
static MsgEnableSpectrum* create(bool enable) {
return new MsgEnableSpectrum(enable);
}
private:
bool m_enable;
MsgEnableSpectrum(bool enable) :
Message(),
m_enable(enable)
{}
};
UDPSinkBaseband();
~UDPSinkBaseband();
void reset();
void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
int getChannelSampleRate() const;
void setBasebandSampleRate(int sampleRate);
void setSpectrum(BasebandSampleSink* spectrum) { m_sink.setSpectrum(spectrum); }
void enableSpectrum(bool enable) { m_sink.enableSpectrum(enable); }
void setSpectrumPositiveOnly(bool positiveOnly) { m_sink.setSpectrumPositiveOnly(positiveOnly); }
double getMagSq() const { return m_sink.getMagSq(); }
double getInMagSq() const { return m_sink.getInMagSq(); }
bool getSquelchOpen() const { return m_sink.getSquelchOpen(); }
private:
SampleSinkFifo m_sampleFifo;
DownSampleChannelizer *m_channelizer;
UDPSinkSink m_sink;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
UDPSinkSettings m_settings;
QMutex m_mutex;
bool handleMessage(const Message& cmd);
void applySettings(const UDPSinkSettings& settings, bool force = false);
private slots:
void handleInputMessages();
void handleData(); //!< Handle data when samples have to be processed
};
#endif // INCLUDE_UDPSINKBASEBAND_H

17
plugins/channelrx/udpsink/udpsinkgui.cpp
View File

@ -91,9 +91,9 @@ bool UDPSinkGUI::deserialize(const QByteArray& data)
bool UDPSinkGUI::handleMessage(const Message& message )
{
if (UDPSink::MsgConfigureUDPSource::match(message))
if (UDPSink::MsgConfigureUDPSink::match(message))
{
const UDPSink::MsgConfigureUDPSource& cfg = (UDPSink::MsgConfigureUDPSource&) message;
const UDPSink::MsgConfigureUDPSink& cfg = (UDPSink::MsgConfigureUDPSink&) message;
m_settings = cfg.getSettings();
blockApplySettings(true);
displaySettings();
@ -403,7 +403,7 @@ void UDPSinkGUI::applySettingsImmediate(bool force)
{
if (m_doApplySettings)
{
UDPSink::MsgConfigureUDPSource* message = UDPSink::MsgConfigureUDPSource::create( m_settings, force);
UDPSink::MsgConfigureUDPSink* message = UDPSink::MsgConfigureUDPSink::create( m_settings, force);
m_udpSink->getInputMessageQueue()->push(message);
}
}
@ -412,11 +412,7 @@ void UDPSinkGUI::applySettings(bool force)
{
if (m_doApplySettings)
{
UDPSink::MsgConfigureChannelizer* channelConfigMsg = UDPSink::MsgConfigureChannelizer::create(
m_settings.m_outputSampleRate, m_channelMarker.getCenterFrequency());
m_udpSink->getInputMessageQueue()->push(channelConfigMsg);
UDPSink::MsgConfigureUDPSource* message = UDPSink::MsgConfigureUDPSource::create( m_settings, force);
UDPSink::MsgConfigureUDPSink* message = UDPSink::MsgConfigureUDPSink::create( m_settings, force);
m_udpSink->getInputMessageQueue()->push(message);
ui->applyBtn->setEnabled(false);
@ -618,9 +614,8 @@ void UDPSinkGUI::on_squelchGate_valueChanged(int value)
void UDPSinkGUI::onWidgetRolled(QWidget* widget, bool rollDown)
{
if ((widget == ui->spectrumBox) && (m_udpSink != 0))
{
m_udpSink->setSpectrum(m_udpSink->getInputMessageQueue(), rollDown);
if ((widget == ui->spectrumBox) && (m_udpSink)) {
m_udpSink->enableSpectrum(rollDown);
}
}

2
plugins/channelrx/udpsink/udpsinkplugin.cpp
View File

@ -28,7 +28,7 @@
const PluginDescriptor UDPSinkPlugin::m_pluginDescriptor = {
QString("UDP Channel Sink"),
QString("4.11.6"),
QString("4.12.2"),
QString("(c) Edouard Griffiths, F4EXB"),
QString("https://github.com/f4exb/sdrangel"),
true,

510
plugins/channelrx/udpsink/udpsinksink.cpp Normal file
View File

@ -0,0 +1,510 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QUdpSocket>
#include <QHostAddress>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include "SWGChannelSettings.h"
#include "SWGUDPSinkSettings.h"
#include "SWGChannelReport.h"
#include "SWGUDPSinkReport.h"
#include "dsp/basebandsamplesink.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "dsp/devicesamplemimo.h"
#include "device/deviceapi.h"
#include "util/db.h"
#include "udpsinksink.h"
const Real UDPSinkSink::m_agcTarget = 16384.0f;
UDPSinkSink::UDPSinkSink() :
m_channelSampleRate(48000),
m_channelFrequencyOffset(0),
m_outMovingAverage(480, 1e-10),
m_inMovingAverage(480, 1e-10),
m_amMovingAverage(1200, 1e-10),
m_audioFifo(24000),
m_spectrum(nullptr),
m_spectrumEnabled(false),
m_spectrumPositiveOnly(false),
m_squelch(1e-6),
m_squelchOpen(false),
m_squelchOpenCount(0),
m_squelchCloseCount(0),
m_squelchGate(4800),
m_squelchRelease(4800),
m_agc(9600, m_agcTarget, 1e-6)
{
m_udpBuffer16 = new UDPSinkUtil<Sample16>(this, udpBlockSize, m_settings.m_udpPort);
m_udpBufferMono16 = new UDPSinkUtil<int16_t>(this, udpBlockSize, m_settings.m_udpPort);
m_udpBuffer24 = new UDPSinkUtil<Sample24>(this, udpBlockSize, m_settings.m_udpPort);
m_audioSocket = new QUdpSocket(this);
m_udpAudioBuf = new char[m_udpAudioPayloadSize];
m_audioBuffer.resize(1<<9);
m_audioBufferFill = 0;
m_nco.setFreq(0, m_channelSampleRate);
m_interpolator.create(16, m_channelSampleRate, m_settings.m_rfBandwidth / 2.0);
m_sampleDistanceRemain = m_channelSampleRate / m_settings.m_outputSampleRate;
m_spectrumEnabled = false;
m_nextSSBId = 0;
m_nextS16leId = 0;
m_last = 0;
m_this = 0;
m_scale = 0;
m_magsq = 0;
m_inMagsq = 0;
UDPFilter = new fftfilt(0.0, (m_settings.m_rfBandwidth / 2.0) / m_settings.m_outputSampleRate, udpBlockSize);
m_phaseDiscri.setFMScaling((float) m_settings. m_outputSampleRate / (2.0f * m_settings.m_fmDeviation));
if (m_audioSocket->bind(QHostAddress::LocalHost, m_settings.m_audioPort))
{
qDebug("UDPSinkSink::UDPSinkSink: bind audio socket to port %d", m_settings.m_audioPort);
connect(m_audioSocket, SIGNAL(readyRead()), this, SLOT(audioReadyRead()), Qt::QueuedConnection);
}
else
{
qWarning("UDPSinkSink::UDPSinkSink: cannot bind audio port");
}
m_agc.setClampMax(SDR_RX_SCALED*SDR_RX_SCALED);
m_agc.setClamping(true);
//DSPEngine::instance()->addAudioSink(&m_audioFifo);
applyChannelSettings(m_channelSampleRate, m_channelFrequencyOffset, true);
applySettings(m_settings, true);
}
UDPSinkSink::~UDPSinkSink()
{
delete m_audioSocket;
delete m_udpBuffer24;
delete m_udpBuffer16;
delete m_udpBufferMono16;
delete[] m_udpAudioBuf;
delete UDPFilter;
}
void UDPSinkSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
Complex ci;
fftfilt::cmplx* sideband;
double l, r;
m_sampleBuffer.clear();
for(SampleVector::const_iterator it = begin; it < end; ++it)
{
Complex c(it->real(), it->imag());
c *= m_nco.nextIQ();
if(m_interpolator.decimate(&m_sampleDistanceRemain, c, &ci))
{
double inMagSq;
double agcFactor = 1.0;
if ((m_settings.m_agc) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatNFM) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatNFMMono) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatIQ16) &&
(m_settings.m_sampleFormat != UDPSinkSettings::FormatIQ24))
{
agcFactor = m_agc.feedAndGetValue(ci);
inMagSq = m_agc.getMagSq();
}
else
{
inMagSq = ci.real()*ci.real() + ci.imag()*ci.imag();
}
m_inMovingAverage.feed(inMagSq / (SDR_RX_SCALED*SDR_RX_SCALED));
m_inMagsq = m_inMovingAverage.average();
Sample ss(ci.real(), ci.imag());
m_sampleBuffer.push_back(ss);
m_sampleDistanceRemain += m_channelSampleRate / m_settings.m_outputSampleRate;
calculateSquelch(m_inMagsq);
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatLSB) // binaural LSB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, false);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? sideband[i].real() * m_settings.m_gain : 0;
r = m_squelchOpen ? sideband[i].imag() * m_settings.m_gain : 0;
udpWrite(l, r);
m_outMovingAverage.feed((l*l + r*r) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatUSB) // binaural USB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, true);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? sideband[i].real() * m_settings.m_gain : 0;
r = m_squelchOpen ? sideband[i].imag() * m_settings.m_gain : 0;
udpWrite(l, r);
m_outMovingAverage.feed((l*l + r*r) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatNFM)
{
Real discri = m_squelchOpen ? m_phaseDiscri.phaseDiscriminator(ci) * m_settings.m_gain : 0;
udpWriteNorm(discri, discri);
m_outMovingAverage.feed(discri*discri);
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatNFMMono)
{
Real discri = m_squelchOpen ? m_phaseDiscri.phaseDiscriminator(ci) * m_settings.m_gain : 0;
udpWriteNormMono(discri);
m_outMovingAverage.feed(discri*discri);
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatLSBMono) // Monaural LSB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, false);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? (sideband[i].real() + sideband[i].imag()) * 0.7 * m_settings.m_gain : 0;
udpWriteMono(l);
m_outMovingAverage.feed((l * l) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatUSBMono) // Monaural USB
{
ci *= agcFactor;
int n_out = UDPFilter->runSSB(ci, &sideband, true);
if (n_out)
{
for (int i = 0; i < n_out; i++)
{
l = m_squelchOpen ? (sideband[i].real() + sideband[i].imag()) * 0.7 * m_settings.m_gain : 0;
udpWriteMono(l);
m_outMovingAverage.feed((l * l) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatAMMono)
{
Real amplitude = m_squelchOpen ? sqrt(inMagSq) * agcFactor * m_settings.m_gain : 0;
FixReal demod = (FixReal) amplitude;
udpWriteMono(demod);
m_outMovingAverage.feed((amplitude/SDR_RX_SCALEF)*(amplitude/SDR_RX_SCALEF));
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatAMNoDCMono)
{
if (m_squelchOpen)
{
double demodf = sqrt(inMagSq);
m_amMovingAverage.feed(demodf);
Real amplitude = (demodf - m_amMovingAverage.average()) * agcFactor * m_settings.m_gain;
FixReal demod = (FixReal) amplitude;
udpWriteMono(demod);
m_outMovingAverage.feed((amplitude/SDR_RX_SCALEF)*(amplitude/SDR_RX_SCALEF));
}
else
{
udpWriteMono(0);
m_outMovingAverage.feed(0);
}
}
else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatAMBPFMono)
{
if (m_squelchOpen)
{
double demodf = sqrt(inMagSq);
demodf = m_bandpass.filter(demodf);
demodf /= 301.0;
Real amplitude = demodf * agcFactor * m_settings.m_gain;
FixReal demod = (FixReal) amplitude;
udpWriteMono(demod);
m_outMovingAverage.feed((amplitude/SDR_RX_SCALEF)*(amplitude/SDR_RX_SCALEF));
}
else
{
udpWriteMono(0);
m_outMovingAverage.feed(0);
}
}
else // Raw I/Q samples
{
if (m_squelchOpen)
{
udpWrite(ci.real() * m_settings.m_gain, ci.imag() * m_settings.m_gain);
m_outMovingAverage.feed((inMagSq*m_settings.m_gain*m_settings.m_gain) / (SDR_RX_SCALED*SDR_RX_SCALED));
}
else
{
udpWrite(0, 0);
m_outMovingAverage.feed(0);
}
}
m_magsq = m_outMovingAverage.average();
}
}
//qDebug() << "UDPSink::feed: " << m_sampleBuffer.size() * 4;
if ((m_spectrum != 0) && (m_spectrumEnabled)) {
m_spectrum->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), m_spectrumPositiveOnly);
}
}
void UDPSinkSink::audioReadyRead()
{
while (m_audioSocket->hasPendingDatagrams())
{
qint64 pendingDataSize = m_audioSocket->pendingDatagramSize();
qint64 udpReadBytes = m_audioSocket->readDatagram(m_udpAudioBuf, pendingDataSize, 0, 0);
//qDebug("UDPSink::audioReadyRead: %lld", udpReadBytes);
if (m_settings.m_audioActive)
{
if (m_settings.m_audioStereo)
{
for (int i = 0; i < udpReadBytes - 3; i += 4)
{
qint16 l_sample = (qint16) *(&m_udpAudioBuf[i]);
qint16 r_sample = (qint16) *(&m_udpAudioBuf[i+2]);
m_audioBuffer[m_audioBufferFill].l = l_sample * m_settings.m_volume;
m_audioBuffer[m_audioBufferFill].r = r_sample * m_settings.m_volume;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill) {
qDebug("UDPSinkSink::audioReadyRead: (stereo) lost %u samples", m_audioBufferFill - res);
}
m_audioBufferFill = 0;
}
}
}
else
{
for (int i = 0; i < udpReadBytes - 1; i += 2)
{
qint16 sample = (qint16) *(&m_udpAudioBuf[i]);
m_audioBuffer[m_audioBufferFill].l = sample * m_settings.m_volume;
m_audioBuffer[m_audioBufferFill].r = sample * m_settings.m_volume;
++m_audioBufferFill;
if (m_audioBufferFill >= m_audioBuffer.size())
{
uint res = m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill);
if (res != m_audioBufferFill) {
qDebug("UDPSinkSink::audioReadyRead: (mono) lost %u samples", m_audioBufferFill - res);
}
m_audioBufferFill = 0;
}
}
}
if (m_audioFifo.write((const quint8*)&m_audioBuffer[0], m_audioBufferFill) != m_audioBufferFill) {
qDebug("UDPSinkSink::audioReadyRead: lost samples");
}
m_audioBufferFill = 0;
}
}
}
void UDPSinkSink::applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force)
{
qDebug() << "UDPSinkSink::applyChannelSettings:"
<< " channelSampleRate: " << channelSampleRate
<< " channelFrequencyOffset: " << channelFrequencyOffset;
if((channelFrequencyOffset != m_channelFrequencyOffset) ||
(channelSampleRate != m_channelSampleRate) || force)
{
m_nco.setFreq(-channelFrequencyOffset, channelSampleRate);
}
if ((channelSampleRate != m_channelSampleRate) || force)
{
m_interpolator.create(16, channelSampleRate, m_settings.m_rfBandwidth / 2.0);
m_sampleDistanceRemain = channelSampleRate / m_settings.m_outputSampleRate;
}
m_channelSampleRate = channelSampleRate;
m_channelFrequencyOffset = channelFrequencyOffset;
}
void UDPSinkSink::applySettings(const UDPSinkSettings& settings, bool force)
{
qDebug() << "UDPSinkSink::applySettings:"
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " m_audioActive: " << settings.m_audioActive
<< " m_audioStereo: " << settings.m_audioStereo
<< " m_gain: " << settings.m_gain
<< " m_volume: " << settings.m_volume
<< " m_squelchEnabled: " << settings.m_squelchEnabled
<< " m_squelchdB: " << settings.m_squelchdB
<< " m_squelchGate" << settings.m_squelchGate
<< " m_agc" << settings.m_agc
<< " m_sampleFormat: " << settings.m_sampleFormat
<< " m_outputSampleRate: " << settings.m_outputSampleRate
<< " m_rfBandwidth: " << settings.m_rfBandwidth
<< " m_fmDeviation: " << settings.m_fmDeviation
<< " m_udpAddressStr: " << settings.m_udpAddress
<< " m_udpPort: " << settings.m_udpPort
<< " m_audioPort: " << settings.m_audioPort
<< " m_streamIndex: " << settings.m_streamIndex
<< " m_useReverseAPI: " << settings.m_useReverseAPI
<< " m_reverseAPIAddress: " << settings.m_reverseAPIAddress
<< " m_reverseAPIPort: " << settings.m_reverseAPIPort
<< " m_reverseAPIDeviceIndex: " << settings.m_reverseAPIDeviceIndex
<< " m_reverseAPIChannelIndex: " << settings.m_reverseAPIChannelIndex
<< " force: " << force;
if ((settings.m_audioActive != m_settings.m_audioActive) || force)
{
if (settings.m_audioActive) {
m_audioBufferFill = 0;
}
}
if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) ||
(settings.m_rfBandwidth != m_settings.m_rfBandwidth) ||
(settings.m_outputSampleRate != m_settings.m_outputSampleRate) || force)
{
m_interpolator.create(16, m_channelSampleRate, settings.m_rfBandwidth / 2.0);
m_sampleDistanceRemain = m_channelSampleRate / settings.m_outputSampleRate;
if ((settings.m_sampleFormat == UDPSinkSettings::FormatLSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatLSBMono) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSBMono))
{
m_squelchGate = settings.m_outputSampleRate * 0.05;
}
else
{
m_squelchGate = (settings.m_outputSampleRate * settings.m_squelchGate) / 100;
}
m_squelchRelease = (settings.m_outputSampleRate * settings.m_squelchGate) / 100;
initSquelch(m_squelchOpen);
m_agc.resize(settings.m_outputSampleRate/5, settings.m_outputSampleRate/20, m_agcTarget); // Fixed 200 ms
int stepDownDelay = (settings.m_outputSampleRate * (settings.m_squelchGate == 0 ? 1 : settings.m_squelchGate))/100;
m_agc.setStepDownDelay(stepDownDelay);
m_agc.setGate(settings.m_outputSampleRate * 0.05);
m_bandpass.create(301, settings.m_outputSampleRate, 300.0, settings.m_rfBandwidth / 2.0f);
m_inMovingAverage.resize(settings.m_outputSampleRate * 0.01, 1e-10); // 10 ms
m_amMovingAverage.resize(settings.m_outputSampleRate * 0.005, 1e-10); // 5 ms
m_outMovingAverage.resize(settings.m_outputSampleRate * 0.01, 1e-10); // 10 ms
}
if ((settings.m_squelchGate != m_settings.m_squelchGate) || force)
{
if ((settings.m_sampleFormat == UDPSinkSettings::FormatLSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatLSBMono) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSB) ||
(settings.m_sampleFormat == UDPSinkSettings::FormatUSBMono))
{
m_squelchGate = settings.m_outputSampleRate * 0.05;
}
else
{
m_squelchGate = (settings.m_outputSampleRate * settings.m_squelchGate)/100;
}
m_squelchRelease = (settings.m_outputSampleRate * settings.m_squelchGate)/100;
initSquelch(m_squelchOpen);
int stepDownDelay = (settings.m_outputSampleRate * (settings.m_squelchGate == 0 ? 1 : settings.m_squelchGate))/100;
m_agc.setStepDownDelay(stepDownDelay); // same delay for up and down
}
if ((settings.m_squelchdB != m_settings.m_squelchdB) || force)
{
m_squelch = CalcDb::powerFromdB(settings.m_squelchdB);
m_agc.setThreshold(m_squelch*(1<<23));
}
if ((settings.m_udpAddress != m_settings.m_udpAddress) || force)
{
m_udpBuffer16->setAddress(const_cast<QString&>(settings.m_udpAddress));
m_udpBufferMono16->setAddress(const_cast<QString&>(settings.m_udpAddress));
m_udpBuffer24->setAddress(const_cast<QString&>(settings.m_udpAddress));
}
if ((settings.m_udpPort != m_settings.m_udpPort) || force)
{
m_udpBuffer16->setPort(settings.m_udpPort);
m_udpBufferMono16->setPort(settings.m_udpPort);
m_udpBuffer24->setPort(settings.m_udpPort);
}
if ((settings.m_audioPort != m_settings.m_audioPort) || force)
{
disconnect(m_audioSocket, SIGNAL(readyRead()), this, SLOT(audioReadyRead()));
delete m_audioSocket;
m_audioSocket = new QUdpSocket(this);
if (m_audioSocket->bind(QHostAddress::LocalHost, settings.m_audioPort))
{
connect(m_audioSocket, SIGNAL(readyRead()), this, SLOT(audioReadyRead()), Qt::QueuedConnection);
qDebug("UDPSinkSink::handleMessage: audio socket bound to port %d", settings.m_audioPort);
}
else
{
qWarning("UDPSinkSink::handleMessage: cannot bind audio socket");
}
}
if ((settings.m_fmDeviation != m_settings.m_fmDeviation) || force) {
m_phaseDiscri.setFMScaling((float) settings.m_outputSampleRate / (2.0f * settings.m_fmDeviation));
}
m_settings = settings;
}

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plugins/channelrx/udpsink/udpsinksink.h Normal file
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@ -0,0 +1,232 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_UDPSINKSINK_H
#define INCLUDE_UDPSINKSINK_H
#include <QObject>
#include "dsp/channelsamplesink.h"
#include "dsp/nco.h"
#include "dsp/fftfilt.h"
#include "dsp/interpolator.h"
#include "dsp/phasediscri.h"
#include "dsp/movingaverage.h"
#include "dsp/agc.h"
#include "dsp/bandpass.h"
#include "util/udpsinkutil.h"
#include "audio/audiofifo.h"
#include "udpsinksettings.h"
class QUdpSocket;
class BasebandSampleSink;
class UDPSinkSink : public QObject, public ChannelSampleSink {
Q_OBJECT
public:
UDPSinkSink();
~UDPSinkSink();
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force = true);
void applySettings(const UDPSinkSettings& settings, bool force = false);
AudioFifo *getAudioFifo() { return &m_audioFifo; }
void setSpectrum(BasebandSampleSink* spectrum) { m_spectrum = spectrum; }
void enableSpectrum(bool enable) { m_spectrumEnabled = enable; }
void setSpectrumPositiveOnly(bool positiveOnly) { m_spectrumPositiveOnly = positiveOnly; }
double getMagSq() const { return m_magsq; }
double getInMagSq() const { return m_inMagsq; }
bool getSquelchOpen() const { return m_squelchOpen; }
static const int udpBlockSize = 512; // UDP block size in number of bytes
private slots:
void audioReadyRead();
private:
struct Sample16
{
Sample16() : m_r(0), m_i(0) {}
Sample16(int16_t r, int16_t i) : m_r(r), m_i(i) {}
int16_t m_r;
int16_t m_i;
};
struct Sample24
{
Sample24() : m_r(0), m_i(0) {}
Sample24(int32_t r, int32_t i) : m_r(r), m_i(i) {}
int32_t m_r;
int32_t m_i;
};
int m_channelSampleRate;
int m_channelFrequencyOffset;
UDPSinkSettings m_settings;
QUdpSocket *m_audioSocket;
double m_magsq;
double m_inMagsq;
MovingAverage<double> m_outMovingAverage;
MovingAverage<double> m_inMovingAverage;
MovingAverage<double> m_amMovingAverage;
Real m_scale;
Complex m_last, m_this;
NCO m_nco;
Interpolator m_interpolator;
Real m_sampleDistanceRemain;
fftfilt* UDPFilter;
SampleVector m_sampleBuffer;
UDPSinkUtil<Sample16> *m_udpBuffer16;
UDPSinkUtil<int16_t> *m_udpBufferMono16;
UDPSinkUtil<Sample24> *m_udpBuffer24;
AudioVector m_audioBuffer;
uint m_audioBufferFill;
AudioFifo m_audioFifo;
BasebandSampleSink* m_spectrum;
bool m_spectrumEnabled;
bool m_spectrumPositiveOnly;
quint32 m_nextSSBId;
quint32 m_nextS16leId;
char *m_udpAudioBuf;
static const int m_udpAudioPayloadSize = 8192; //!< UDP audio samples buffer. No UDP block on Earth is larger than this
static const Real m_agcTarget;
PhaseDiscriminators m_phaseDiscri;
double m_squelch;
bool m_squelchOpen;
int m_squelchOpenCount;
int m_squelchCloseCount;
int m_squelchGate; //!< number of samples computed from given gate
int m_squelchRelease;
MagAGC m_agc;
Bandpass<double> m_bandpass;
inline void calculateSquelch(double value)
{
if ((!m_settings.m_squelchEnabled) || (value > m_squelch))
{
if (m_squelchGate == 0)
{
m_squelchOpen = true;
}
else
{
if (m_squelchOpenCount < m_squelchGate)
{
m_squelchOpenCount++;
}
else
{
m_squelchCloseCount = m_squelchRelease;
m_squelchOpen = true;
}
}
}
else
{
if (m_squelchGate == 0)
{
m_squelchOpen = false;
}
else
{
if (m_squelchCloseCount > 0)
{
m_squelchCloseCount--;
}
else
{
m_squelchOpenCount = 0;
m_squelchOpen = false;
}
}
}
}
inline void initSquelch(bool open)
{
if (open)
{
m_squelchOpen = true;
m_squelchOpenCount = m_squelchGate;
m_squelchCloseCount = m_squelchRelease;
}
else
{
m_squelchOpen = false;
m_squelchOpenCount = 0;
m_squelchCloseCount = 0;
}
}
void udpWrite(FixReal real, FixReal imag)
{
if (SDR_RX_SAMP_SZ == 16)
{
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ16) {
m_udpBuffer16->write(Sample16(real, imag));
} else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ24) {
m_udpBuffer24->write(Sample24(real<<8, imag<<8));
} else {
m_udpBuffer16->write(Sample16(real, imag));
}
}
else if (SDR_RX_SAMP_SZ == 24)
{
if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ16) {
m_udpBuffer16->write(Sample16(real>>8, imag>>8));
} else if (m_settings.m_sampleFormat == UDPSinkSettings::FormatIQ24) {
m_udpBuffer24->write(Sample24(real, imag));
} else {
m_udpBuffer16->write(Sample16(real>>8, imag>>8));
}
}
}
void udpWriteMono(FixReal sample)
{
if (SDR_RX_SAMP_SZ == 16) {
m_udpBufferMono16->write(sample);
} else if (SDR_RX_SAMP_SZ == 24) {
m_udpBufferMono16->write(sample>>8);
}
}
void udpWriteNorm(Real real, Real imag) {
m_udpBuffer16->write(Sample16(real*32768.0, imag*32768.0));
}
void udpWriteNormMono(Real sample) {
m_udpBufferMono16->write(sample*32768.0);
}
};
#endif // INCLUDE_UDPSINKSINK_H