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sdrangel/sdrbase/dsp/threadedsamplesink.cpp

96 lines
2.3 KiB
C++

#include <QThread>
#include <QDebug>
#include "dsp/threadedsamplesink.h"
#include "dsp/dspcommands.h"
#include "util/message.h"
ThreadedSampleSink::ThreadedSampleSink(SampleSink* sampleSink) :
m_sampleSink(sampleSink)
{
moveToThread(this);
}
ThreadedSampleSink::~ThreadedSampleSink()
{
wait();
}
void ThreadedSampleSink::start()
{
qDebug() << "ThreadedSampleSink::start";
DSPPing cmd;
QThread::start();
m_syncMessenger.sendWait(cmd);
}
void ThreadedSampleSink::stop()
{
qDebug() << "ThreadedSampleSink::stop";
exit();
wait();
}
void ThreadedSampleSink::run()
{
qDebug() << "ThreadedSampleSink::run";
connect(&m_syncMessenger, SIGNAL(messageSent()), this, SLOT(handleSynchronousMessages()), Qt::QueuedConnection);
m_syncMessenger.done(); // Release start() that is waiting in calling trhead
exec();
}
void ThreadedSampleSink::feed(SampleVector::const_iterator& begin, SampleVector::const_iterator& end, bool positiveOnly)
{
m_sampleSink->feed(begin, end, positiveOnly);
}
bool ThreadedSampleSink::sendWaitSink(Message& cmd)
{
m_syncMessenger.sendWait(cmd);
}
void ThreadedSampleSink::handleSynchronousMessages()
{
qDebug() << "ThreadedSampleSink::handleSynchronousMessages";
Message *message = m_syncMessenger.getMessage();
qDebug() << " - message: " << message->getIdentifier();
m_sampleSink->handleMessage(*message); // just delegate to the sink
m_syncMessenger.done();
}
QString ThreadedSampleSink::getSampleSinkObjectName() const
{
return m_sampleSink->objectName();
}
/*
void ThreadedSampleSink::handleData()
{
bool positiveOnly = false;
while((m_sampleFifo.fill() > 0) && (m_messageQueue.countPending() == 0)) {
SampleVector::iterator part1begin;
SampleVector::iterator part1end;
SampleVector::iterator part2begin;
SampleVector::iterator part2end;
size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
// first part of FIFO data
if(count > 0) {
// handle data
if(m_sampleSink != NULL)
m_sampleSink->feed(part1begin, part1end, positiveOnly);
m_sampleFifo.readCommit(part1end - part1begin);
}
// second part of FIFO data (used when block wraps around)
if(part2begin != part2end) {
// handle data
if(m_sampleSink != NULL)
m_sampleSink->feed(part2begin, part2end, positiveOnly);
m_sampleFifo.readCommit(part2end - part2begin);
}
}
}*/