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sdrangel/sdrbase/dsp/threadedbasebandsamplesink.cpp
2017-05-25 20:13:34 +02:00

123 lines
3.6 KiB
C++

#include "threadedbasebandsamplesink.h"
#include <QThread>
#include <QDebug>
#include "dsp/dspcommands.h"
#include "util/message.h"
ThreadedBasebandSampleSinkFifo::ThreadedBasebandSampleSinkFifo(BasebandSampleSink *sampleSink, std::size_t size) :
m_sampleSink(sampleSink)
{
connect(&m_sampleFifo, SIGNAL(dataReady()), this, SLOT(handleFifoData()));
m_sampleFifo.setSize(size);
}
ThreadedBasebandSampleSinkFifo::~ThreadedBasebandSampleSinkFifo()
{
m_sampleFifo.readCommit(m_sampleFifo.fill());
}
void ThreadedBasebandSampleSinkFifo::writeToFifo(SampleVector::const_iterator& begin, SampleVector::const_iterator& end)
{
m_sampleFifo.write(begin, end);
}
void ThreadedBasebandSampleSinkFifo::handleFifoData() // FIXME: Fixed? Move it to the new threadable sink class
{
bool positiveOnly = false;
while ((m_sampleFifo.fill() > 0) && (m_sampleSink->getInputMessageQueue()->size() == 0))
{
SampleVector::iterator part1begin;
SampleVector::iterator part1end;
SampleVector::iterator part2begin;
SampleVector::iterator part2end;
std::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);
}
}
}
ThreadedBasebandSampleSink::ThreadedBasebandSampleSink(BasebandSampleSink* sampleSink, QObject *parent) :
m_basebandSampleSink(sampleSink)
{
QString name = "ThreadedBasebandSampleSink(" + m_basebandSampleSink->objectName() + ")";
setObjectName(name);
qDebug() << "ThreadedBasebandSampleSink::ThreadedBasebandSampleSink: " << name;
m_thread = new QThread(parent);
m_threadedBasebandSampleSinkFifo = new ThreadedBasebandSampleSinkFifo(m_basebandSampleSink);
//moveToThread(m_thread); // FIXME: Fixed? the intermediate FIFO should be handled within the sink. Define a new type of sink that is compatible with threading
m_basebandSampleSink->moveToThread(m_thread);
m_threadedBasebandSampleSinkFifo->moveToThread(m_thread);
//m_sampleFifo.moveToThread(m_thread);
//connect(&m_sampleFifo, SIGNAL(dataReady()), this, SLOT(handleData()));
//m_sampleFifo.setSize(262144);
qDebug() << "ThreadedBasebandSampleSink::ThreadedBasebandSampleSink: thread: " << thread() << " m_thread: " << m_thread;
}
ThreadedBasebandSampleSink::~ThreadedBasebandSampleSink()
{
delete m_threadedBasebandSampleSinkFifo; // Valgrind memcheck
delete m_thread;
}
void ThreadedBasebandSampleSink::start()
{
qDebug() << "ThreadedBasebandSampleSink::start";
m_thread->start();
m_basebandSampleSink->start();
}
void ThreadedBasebandSampleSink::stop()
{
qDebug() << "ThreadedBasebandSampleSink::stop";
m_basebandSampleSink->stop();
m_thread->exit();
m_thread->wait();
}
void ThreadedBasebandSampleSink::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly __attribute__((unused)))
{
//m_sampleSink->feed(begin, end, positiveOnly);
//m_sampleFifo.write(begin, end);
m_threadedBasebandSampleSinkFifo->writeToFifo(begin, end);
}
bool ThreadedBasebandSampleSink::handleSinkMessage(const Message& cmd)
{
return m_basebandSampleSink->handleMessage(cmd);
}
QString ThreadedBasebandSampleSink::getSampleSinkObjectName() const
{
return m_basebandSampleSink->objectName();
}