mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-09-01 18:56:33 -04:00
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// 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 "dsp/samplesourcefifo.h"
|
|
|
|
#include "localsourcethread.h"
|
|
|
|
MESSAGE_CLASS_DEFINITION(LocalSourceThread::MsgStartStop, Message)
|
|
|
|
LocalSourceThread::LocalSourceThread(QObject* parent) :
|
|
QThread(parent),
|
|
m_running(false),
|
|
m_sampleFifo(0)
|
|
{
|
|
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
|
|
}
|
|
|
|
LocalSourceThread::~LocalSourceThread()
|
|
{
|
|
qDebug("LocalSourceThread::~LocalSourceThread");
|
|
}
|
|
|
|
void LocalSourceThread::startStop(bool start)
|
|
{
|
|
MsgStartStop *msg = MsgStartStop::create(start);
|
|
m_inputMessageQueue.push(msg);
|
|
}
|
|
|
|
void LocalSourceThread::setSampleFifo(SampleSourceFifo *sampleFifo)
|
|
{
|
|
m_sampleFifo = sampleFifo;
|
|
}
|
|
|
|
void LocalSourceThread::pullSamples(unsigned int count)
|
|
{
|
|
SampleVector::iterator beginRead;
|
|
m_sampleFifo->readAdvance(beginRead, count);
|
|
emit samplesAvailable(m_sampleFifo->getIteratorOffset(beginRead));
|
|
}
|
|
|
|
void LocalSourceThread::startWork()
|
|
{
|
|
qDebug("LocalSourceThread::startWork");
|
|
m_startWaitMutex.lock();
|
|
start();
|
|
|
|
while(!m_running) {
|
|
m_startWaiter.wait(&m_startWaitMutex, 100);
|
|
}
|
|
|
|
m_startWaitMutex.unlock();
|
|
}
|
|
|
|
void LocalSourceThread::stopWork()
|
|
{
|
|
qDebug("LocalSourceThread::stopWork");
|
|
m_running = false;
|
|
wait();
|
|
}
|
|
|
|
void LocalSourceThread::run()
|
|
{
|
|
qDebug("LocalSinkThread::run: begin");
|
|
m_running = true;
|
|
m_startWaiter.wakeAll();
|
|
|
|
while (m_running)
|
|
{
|
|
sleep(1); // Do nothing as everything is in the data handler (dequeuer)
|
|
}
|
|
|
|
m_running = false;
|
|
qDebug("LocalSinkThread::run: end");
|
|
}
|
|
|
|
void LocalSourceThread::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != 0)
|
|
{
|
|
if (MsgStartStop::match(*message))
|
|
{
|
|
MsgStartStop* notif = (MsgStartStop*) message;
|
|
qDebug("LocalSourceThread::handleInputMessages: MsgStartStop: %s", notif->getStartStop() ? "start" : "stop");
|
|
|
|
if (notif->getStartStop()) {
|
|
startWork();
|
|
} else {
|
|
stopWork();
|
|
}
|
|
|
|
delete message;
|
|
}
|
|
}
|
|
}
|