mirror of
https://github.com/f4exb/sdrangel.git
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296 lines
10 KiB
C++
296 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2023 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include <QThread>
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#include "dsp/dspengine.h"
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#include "dsp/dspcommands.h"
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#include "dsp/spectrumvis.h"
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#include "maincore.h"
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#include "ft8demodworker.h"
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#include "ft8demodbaseband.h"
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MESSAGE_CLASS_DEFINITION(FT8DemodBaseband::MsgConfigureFT8DemodBaseband, Message)
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FT8DemodBaseband::FT8DemodBaseband() :
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m_channelizer(&m_sink),
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m_messageQueueToGUI(nullptr),
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m_spectrumVis(nullptr),
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m_deviceCenterFrequency(0)
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{
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qDebug("FT8DemodBaseband::FT8DemodBaseband");
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m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
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m_ft8WorkerBuffer = new int16_t[FT8DemodSettings::m_ft8SampleRate*15];
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m_workerThread = new QThread();
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m_ft8DemodWorker = new FT8DemodWorker();
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m_ft8DemodWorker->moveToThread(m_workerThread);
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QObject::connect(
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m_workerThread,
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&QThread::finished,
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m_ft8DemodWorker,
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&QObject::deleteLater
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);
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QObject::connect(
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m_workerThread,
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&QThread::finished,
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m_ft8DemodWorker,
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&QThread::deleteLater
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);
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QObject::connect(
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this,
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&FT8DemodBaseband::bufferReady,
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m_ft8DemodWorker,
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&FT8DemodWorker::processBuffer,
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Qt::QueuedConnection
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);
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m_workerThread->start();
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QObject::connect(
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&m_sampleFifo,
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&SampleSinkFifo::dataReady,
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this,
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&FT8DemodBaseband::handleData,
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Qt::QueuedConnection
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);
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m_channelSampleRate = 0;
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m_sink.setFT8Buffer(&m_ft8Buffer);
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connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
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connect(&MainCore::instance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick()));
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}
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FT8DemodBaseband::~FT8DemodBaseband()
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{
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m_workerThread->exit();
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m_workerThread->wait();
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delete[] m_ft8WorkerBuffer;
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}
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void FT8DemodBaseband::reset()
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_sampleFifo.reset();
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m_channelSampleRate = 0;
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}
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void FT8DemodBaseband::setMessageQueueToGUI(MessageQueue *messageQueue)
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{
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m_messageQueueToGUI = messageQueue;
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m_ft8DemodWorker->setReportingMessageQueue(m_messageQueueToGUI);
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}
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void FT8DemodBaseband::setChannel(ChannelAPI *channel)
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{
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m_sink.setChannel(channel);
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m_ft8DemodWorker->setChannel(channel);
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}
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void FT8DemodBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
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{
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m_sampleFifo.write(begin, end);
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}
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void FT8DemodBaseband::handleData()
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{
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QMutexLocker mutexLocker(&m_mutex);
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while ((m_sampleFifo.fill() > 0) && (m_inputMessageQueue.size() == 0))
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{
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SampleVector::iterator part1begin;
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SampleVector::iterator part1end;
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SampleVector::iterator part2begin;
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SampleVector::iterator part2end;
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std::size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
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// first part of FIFO data
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if (part1begin != part1end) {
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m_channelizer.feed(part1begin, part1end);
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}
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// second part of FIFO data (used when block wraps around)
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if(part2begin != part2end) {
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m_channelizer.feed(part2begin, part2end);
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}
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m_sampleFifo.readCommit((unsigned int) count);
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}
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qreal rmsLevel, peakLevel;
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int numSamples;
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m_sink.getLevels(rmsLevel, peakLevel, numSamples);
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emit levelChanged(rmsLevel, peakLevel, numSamples);
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}
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void FT8DemodBaseband::handleInputMessages()
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{
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Message* message;
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while ((message = m_inputMessageQueue.pop()) != nullptr)
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{
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if (handleMessage(*message)) {
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delete message;
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}
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}
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}
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bool FT8DemodBaseband::handleMessage(const Message& cmd)
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{
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if (MsgConfigureFT8DemodBaseband::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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MsgConfigureFT8DemodBaseband& cfg = (MsgConfigureFT8DemodBaseband&) cmd;
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qDebug() << "FT8DemodBaseband::handleMessage: MsgConfigureFT8DemodBaseband";
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applySettings(cfg.getSettings(), cfg.getForce());
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return true;
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}
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else if (DSPSignalNotification::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
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qDebug() << "FT8DemodBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate();
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m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(notif.getSampleRate()));
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m_channelizer.setBasebandSampleRate(notif.getSampleRate());
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m_sink.applyChannelSettings(m_channelizer.getChannelSampleRate(), m_channelizer.getChannelFrequencyOffset());
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if (m_channelSampleRate != m_channelizer.getChannelSampleRate())
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{
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m_sink.applyFT8SampleRate(); // reapply when channel sample rate changes
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m_channelSampleRate = m_channelizer.getChannelSampleRate();
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}
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if (notif.getCenterFrequency() != m_deviceCenterFrequency)
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{
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m_ft8DemodWorker->invalidateSequence();
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m_deviceCenterFrequency = notif.getCenterFrequency();
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m_ft8DemodWorker->setBaseFrequency(m_deviceCenterFrequency + m_settings.m_inputFrequencyOffset);
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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void FT8DemodBaseband::applySettings(const FT8DemodSettings& settings, bool force)
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{
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if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force)
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{
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m_ft8DemodWorker->invalidateSequence();
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m_ft8DemodWorker->setBaseFrequency(m_deviceCenterFrequency + settings.m_inputFrequencyOffset);
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m_channelizer.setChannelization(FT8DemodSettings::m_ft8SampleRate, settings.m_inputFrequencyOffset);
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m_sink.applyChannelSettings(m_channelizer.getChannelSampleRate(), m_channelizer.getChannelFrequencyOffset());
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if (m_channelSampleRate != m_channelizer.getChannelSampleRate())
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{
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m_sink.applyFT8SampleRate(); // reapply when channel sample rate changes
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m_channelSampleRate = m_channelizer.getChannelSampleRate();
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}
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}
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if ((settings.m_filterBank[settings.m_filterIndex].m_spanLog2 != m_settings.m_filterBank[settings.m_filterIndex].m_spanLog2) || force)
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{
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if (m_spectrumVis)
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{
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DSPSignalNotification *msg = new DSPSignalNotification(FT8DemodSettings::m_ft8SampleRate/(1<<settings.m_filterBank[settings.m_filterIndex].m_spanLog2), 0);
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m_spectrumVis->getInputMessageQueue()->push(msg);
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}
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}
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if ((m_settings.m_filterBank[m_settings.m_filterIndex].m_lowCutoff != settings.m_filterBank[settings.m_filterIndex].m_lowCutoff) || force) {
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m_ft8DemodWorker->setLowFrequency(settings.m_filterBank[settings.m_filterIndex].m_lowCutoff);
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}
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if ((m_settings.m_filterBank[m_settings.m_filterIndex].m_rfBandwidth != settings.m_filterBank[settings.m_filterIndex].m_rfBandwidth) || force) {
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m_ft8DemodWorker->setHighFrequency(settings.m_filterBank[settings.m_filterIndex].m_rfBandwidth);
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}
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if ((settings.m_recordWav != m_settings.m_recordWav) || force) {
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m_ft8DemodWorker->setRecordSamples(settings.m_recordWav);
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}
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if ((settings.m_logMessages != m_settings.m_logMessages) || force) {
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m_ft8DemodWorker->setLogMessages(settings.m_logMessages);
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}
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if ((settings.m_nbDecoderThreads != m_settings.m_nbDecoderThreads) || force) {
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m_ft8DemodWorker->setNbDecoderThreads(settings.m_nbDecoderThreads);
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}
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if ((settings.m_decoderTimeBudget != m_settings.m_decoderTimeBudget) || force) {
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m_ft8DemodWorker->setDecoderTimeBudget(settings.m_decoderTimeBudget);
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}
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if ((settings.m_useOSD != m_settings.m_useOSD) || force) {
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m_ft8DemodWorker->setUseOSD(settings.m_useOSD);
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}
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if ((settings.m_osdDepth != m_settings.m_osdDepth) || force) {
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m_ft8DemodWorker->setOSDDepth(settings.m_osdDepth);
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}
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if ((settings.m_osdLDPCThreshold != m_settings.m_osdLDPCThreshold) || force) {
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m_ft8DemodWorker->setOSDLDPCThreshold(settings.m_osdLDPCThreshold);
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}
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m_sink.applySettings(settings, force);
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m_settings = settings;
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}
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int FT8DemodBaseband::getChannelSampleRate() const
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{
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return m_channelizer.getChannelSampleRate();
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}
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void FT8DemodBaseband::setBasebandSampleRate(int sampleRate)
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{
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m_channelizer.setBasebandSampleRate(sampleRate);
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m_sink.applyChannelSettings(m_channelizer.getChannelSampleRate(), m_channelizer.getChannelFrequencyOffset());
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}
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void FT8DemodBaseband::tick()
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{
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QDateTime nowUTC = QDateTime::currentDateTimeUtc();
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if (nowUTC.time().second() % 15 < 14)
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{
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if (m_tickCount++ == 0)
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{
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QDateTime periodTs = nowUTC.addSecs(-15);
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// qDebug("FT8DemodBaseband::tick: %s", qPrintable(nowUTC.toString("yyyy-MM-dd HH:mm:ss")));
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m_ft8Buffer.getCurrentBuffer(m_ft8WorkerBuffer);
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emit bufferReady(m_ft8WorkerBuffer, periodTs);
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periodTs = nowUTC;
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}
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}
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else
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{
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m_tickCount = 0;
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}
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}
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