mirror of
https://github.com/f4exb/sdrangel.git
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266 lines
8.6 KiB
C++
266 lines
8.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 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 <QTimer>
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#include <QDebug>
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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 "util/db.h"
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#include "sigmffilesinkmessages.h"
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#include "sigmffilesinkbaseband.h"
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MESSAGE_CLASS_DEFINITION(SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkBaseband, Message)
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MESSAGE_CLASS_DEFINITION(SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkWork, Message)
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SigMFFileSinkBaseband::SigMFFileSinkBaseband() :
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m_channelizer(&m_sink),
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m_specMax(0),
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m_squelchLevel(0),
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m_squelchOpen(false)
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{
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qDebug("SigMFFileSinkBaseband::SigMFFileSinkBaseband");
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m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
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}
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SigMFFileSinkBaseband::~SigMFFileSinkBaseband()
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{
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m_inputMessageQueue.clear();
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stopWork();
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}
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void SigMFFileSinkBaseband::reset()
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_inputMessageQueue.clear();
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m_sampleFifo.reset();
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}
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void SigMFFileSinkBaseband::startWork()
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{
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QMutexLocker mutexLocker(&m_mutex);
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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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&SigMFFileSinkBaseband::handleData,
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Qt::QueuedConnection
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);
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QObject::connect(
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&m_inputMessageQueue,
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&MessageQueue::messageEnqueued,
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this,
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&SigMFFileSinkBaseband::handleInputMessages
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);
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m_timer = new QTimer();
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QObject::connect(
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m_timer,
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&QTimer::timeout,
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this,
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&SigMFFileSinkBaseband::tick
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);
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m_timer->start(200);
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}
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void SigMFFileSinkBaseband::stopWork()
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_sink.stopRecording();
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QObject::disconnect(
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&m_inputMessageQueue,
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&MessageQueue::messageEnqueued,
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this,
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&SigMFFileSinkBaseband::handleInputMessages
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);
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QObject::disconnect(
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&m_sampleFifo,
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&SampleSinkFifo::dataReady,
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this,
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&SigMFFileSinkBaseband::handleData
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);
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QObject::disconnect(
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m_timer,
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&QTimer::timeout,
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this,
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&SigMFFileSinkBaseband::tick
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);
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m_timer->stop();
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delete m_timer;
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}
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void SigMFFileSinkBaseband::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 SigMFFileSinkBaseband::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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}
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void SigMFFileSinkBaseband::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 SigMFFileSinkBaseband::handleMessage(const Message& cmd)
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{
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if (MsgConfigureSigMFFileSinkBaseband::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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MsgConfigureSigMFFileSinkBaseband& cfg = (MsgConfigureSigMFFileSinkBaseband&) cmd;
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qDebug() << "SigMFFileSinkBaseband::handleMessage: MsgConfigureSigMFFileSinkBaseband";
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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() << "SigMFFileSinkBaseband::handleMessage: DSPSignalNotification:"
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<< " basebandSampleRate: " << notif.getSampleRate()
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<< " cnterFrequency: " << notif.getCenterFrequency();
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m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(notif.getSampleRate()));
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m_centerFrequency = notif.getCenterFrequency();
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m_channelizer.setBasebandSampleRate(notif.getSampleRate());
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int desiredSampleRate = m_channelizer.getBasebandSampleRate() / (1<<m_settings.m_log2Decim);
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m_channelizer.setChannelization(desiredSampleRate, m_settings.m_inputFrequencyOffset);
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m_sink.applyChannelSettings(
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m_channelizer.getChannelSampleRate(),
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desiredSampleRate,
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m_channelizer.getChannelFrequencyOffset(),
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m_centerFrequency + m_settings.m_inputFrequencyOffset);
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return true;
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}
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else if (MsgConfigureSigMFFileSinkWork::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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MsgConfigureSigMFFileSinkWork& conf = (MsgConfigureSigMFFileSinkWork&) cmd;
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qDebug() << "SigMFFileSinkBaseband::handleMessage: MsgConfigureSigMFFileSinkWork: " << conf.isWorking();
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if (conf.isWorking()) {
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m_sink.startRecording();
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} else {
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m_sink.stopRecording();
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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 SigMFFileSinkBaseband::applySettings(const SigMFFileSinkSettings& settings, bool force)
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{
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qDebug() << "SigMFFileSinkBaseband::applySettings:"
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<< "m_log2Decim:" << settings.m_log2Decim
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<< "m_inputFrequencyOffset:" << settings.m_inputFrequencyOffset
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<< "m_fileRecordName: " << settings.m_fileRecordName
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<< "m_centerFrequency: " << m_centerFrequency
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<< "force: " << force;
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if ((settings.m_log2Decim != m_settings.m_log2Decim)
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|| (settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force)
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{
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int desiredSampleRate = m_channelizer.getBasebandSampleRate() / (1<<settings.m_log2Decim);
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m_channelizer.setChannelization(desiredSampleRate, settings.m_inputFrequencyOffset);
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m_sink.applyChannelSettings(
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m_channelizer.getChannelSampleRate(),
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desiredSampleRate,
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m_channelizer.getChannelFrequencyOffset(),
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m_centerFrequency + settings.m_inputFrequencyOffset);
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}
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if ((settings.m_spectrumSquelchMode != m_settings.m_spectrumSquelchMode) || force) {
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if (!settings.m_spectrumSquelchMode) {
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m_squelchOpen = false;
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}
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}
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if ((settings.m_spectrumSquelch != m_settings.m_spectrumSquelch) || force) {
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m_squelchLevel = CalcDb::powerFromdB(settings.m_spectrumSquelch);
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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 SigMFFileSinkBaseband::getChannelSampleRate() const
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{
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return m_channelizer.getChannelSampleRate();
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}
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void SigMFFileSinkBaseband::tick()
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{
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if (m_spectrumSink && m_settings.m_spectrumSquelchMode)
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{
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m_specMax = m_spectrumSink->getSpecMax();
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bool squelchOpen = m_specMax > m_squelchLevel;
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if (squelchOpen != m_squelchOpen)
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{
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if (m_messageQueueToGUI)
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{
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SigMFFileSinkMessages::MsgReportSquelch *msg = SigMFFileSinkMessages::MsgReportSquelch::create(squelchOpen);
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m_messageQueueToGUI->push(msg);
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}
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if (m_settings.m_squelchRecordingEnable) {
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m_sink.squelchRecording(squelchOpen);
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}
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}
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m_squelchOpen = squelchOpen;
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}
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}
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