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103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 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 "dsp/samplesinkfifo.h"
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#include "localsinkworker.h"
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MESSAGE_CLASS_DEFINITION(LocalSinkWorker::MsgStartStop, Message)
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LocalSinkWorker::LocalSinkWorker(QObject* parent) :
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QObject(parent),
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m_running(false),
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m_sampleFifo(0)
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{
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connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
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}
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LocalSinkWorker::~LocalSinkWorker()
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{
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qDebug("LocalSinkWorker::~LocalSinkWorker");
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}
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void LocalSinkWorker::startStop(bool start)
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{
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MsgStartStop *msg = MsgStartStop::create(start);
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m_inputMessageQueue.push(msg);
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}
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void LocalSinkWorker::startWork()
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{
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qDebug("LocalSinkWorker::startWork");
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m_running = true;
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}
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void LocalSinkWorker::stopWork()
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{
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m_running = false;
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}
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void LocalSinkWorker::handleData()
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{
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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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if (m_deviceSampleFifo && m_running)
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{
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// first part of FIFO data
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if (part1begin != part1end) {
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m_deviceSampleFifo->write(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_deviceSampleFifo->write(part2begin, part2end);
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}
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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 LocalSinkWorker::handleInputMessages()
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{
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Message* message;
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while ((message = m_inputMessageQueue.pop()) != 0)
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{
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if (MsgStartStop::match(*message))
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{
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MsgStartStop* notif = (MsgStartStop*) message;
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qDebug("LocalSinkWorker::handleInputMessages: MsgStartStop: %s", notif->getStartStop() ? "start" : "stop");
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if (notif->getStartStop()) {
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startWork();
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} else {
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stopWork();
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}
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delete message;
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}
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}
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}
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