kopia lustrzana https://github.com/f4exb/sdrangel
620 wiersze
19 KiB
C++
620 wiersze
19 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2016 F4EXB //
|
|
// written by Edouard Griffiths //
|
|
// //
|
|
// 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 <stdio.h>
|
|
#include <QDebug>
|
|
#include <QThread>
|
|
|
|
#include "dspdevicesinkengine.h"
|
|
|
|
#include "dsp/basebandsamplesource.h"
|
|
#include "dsp/basebandsamplesink.h"
|
|
#include "dsp/devicesamplesink.h"
|
|
#include "dsp/dspcommands.h"
|
|
#include "samplesourcefifo.h"
|
|
#include "threadedbasebandsamplesource.h"
|
|
|
|
DSPDeviceSinkEngine::DSPDeviceSinkEngine(uint32_t uid, QObject* parent) :
|
|
QThread(parent),
|
|
m_uid(uid),
|
|
m_state(StNotStarted),
|
|
m_deviceSampleSink(nullptr),
|
|
m_sampleSinkSequence(0),
|
|
m_basebandSampleSources(),
|
|
m_spectrumSink(nullptr),
|
|
m_sampleRate(0),
|
|
m_centerFrequency(0),
|
|
m_multipleSourcesDivisionFactor(1)
|
|
{
|
|
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
|
|
connect(&m_syncMessenger, SIGNAL(messageSent()), this, SLOT(handleSynchronousMessages()), Qt::QueuedConnection);
|
|
|
|
moveToThread(this);
|
|
}
|
|
|
|
DSPDeviceSinkEngine::~DSPDeviceSinkEngine()
|
|
{
|
|
stop();
|
|
wait();
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::run()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::run";
|
|
m_state = StIdle;
|
|
exec();
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::start()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::start";
|
|
QThread::start();
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::stop()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::stop";
|
|
gotoIdle();
|
|
m_state = StNotStarted;
|
|
QThread::exit();
|
|
// DSPExit cmd;
|
|
// m_syncMessenger.sendWait(cmd);
|
|
}
|
|
|
|
bool DSPDeviceSinkEngine::initGeneration()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::initGeneration";
|
|
DSPGenerationInit cmd;
|
|
|
|
return m_syncMessenger.sendWait(cmd) == StReady;
|
|
}
|
|
|
|
bool DSPDeviceSinkEngine::startGeneration()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::startGeneration";
|
|
DSPGenerationStart cmd;
|
|
|
|
return m_syncMessenger.sendWait(cmd) == StRunning;
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::stopGeneration()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::stopGeneration";
|
|
DSPGenerationStop cmd;
|
|
m_syncMessenger.storeMessage(cmd);
|
|
handleSynchronousMessages();
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::setSink(DeviceSampleSink* sink)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::setSink";
|
|
DSPSetSink cmd(sink);
|
|
m_syncMessenger.sendWait(cmd);
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::setSinkSequence(int sequence)
|
|
{
|
|
qDebug("DSPDeviceSinkEngine::setSinkSequence: seq: %d", sequence);
|
|
m_sampleSinkSequence = sequence;
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::addThreadedSource(ThreadedBasebandSampleSource* source)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::addThreadedSource: " << source->objectName().toStdString().c_str();
|
|
DSPAddThreadedBasebandSampleSource cmd(source);
|
|
m_syncMessenger.sendWait(cmd);
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::removeThreadedSource(ThreadedBasebandSampleSource* source)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::removeThreadedSource: " << source->objectName().toStdString().c_str();
|
|
DSPRemoveThreadedBasebandSampleSource cmd(source);
|
|
m_syncMessenger.sendWait(cmd);
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::addSpectrumSink(BasebandSampleSink* spectrumSink)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::addSpectrumSink: " << spectrumSink->objectName().toStdString().c_str();
|
|
DSPAddSpectrumSink cmd(spectrumSink);
|
|
m_syncMessenger.sendWait(cmd);
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::removeSpectrumSink(BasebandSampleSink* spectrumSink)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::removeSpectrumSink: " << spectrumSink->objectName().toStdString().c_str();
|
|
DSPRemoveSpectrumSink cmd(spectrumSink);
|
|
m_syncMessenger.sendWait(cmd);
|
|
}
|
|
|
|
QString DSPDeviceSinkEngine::errorMessage()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::errorMessage";
|
|
DSPGetErrorMessage cmd;
|
|
m_syncMessenger.sendWait(cmd);
|
|
return cmd.getErrorMessage();
|
|
}
|
|
|
|
QString DSPDeviceSinkEngine::sinkDeviceDescription()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::sinkDeviceDescription";
|
|
DSPGetSinkDeviceDescription cmd;
|
|
m_syncMessenger.sendWait(cmd);
|
|
return cmd.getDeviceDescription();
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::work(int nbWriteSamples)
|
|
{
|
|
// multiple channel sources handling
|
|
if ((m_threadedBasebandSampleSources.size() + m_basebandSampleSources.size()) > 1)
|
|
{
|
|
// qDebug("DSPDeviceSinkEngine::work: multiple channel sources handling: %u", m_multipleSourcesDivisionFactor);
|
|
|
|
SampleVector::iterator writeBegin;
|
|
SampleSourceFifo* sampleFifo = m_deviceSampleSink->getSampleFifo();
|
|
sampleFifo->getWriteIterator(writeBegin);
|
|
SampleVector::iterator writeAt = writeBegin;
|
|
std::vector<SampleVector::iterator> sampleSourceIterators;
|
|
|
|
for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
|
|
{
|
|
sampleSourceIterators.push_back(SampleVector::iterator());
|
|
(*it)->getSampleSourceFifo().readAdvance(sampleSourceIterators.back(), nbWriteSamples);
|
|
sampleSourceIterators.back() -= nbWriteSamples;
|
|
}
|
|
|
|
for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
|
|
{
|
|
sampleSourceIterators.push_back(SampleVector::iterator());
|
|
(*it)->getSampleSourceFifo().readAdvance(sampleSourceIterators.back(), nbWriteSamples);
|
|
sampleSourceIterators.back() -= nbWriteSamples;
|
|
}
|
|
|
|
for (int is = 0; is < nbWriteSamples; is++)
|
|
{
|
|
// pull data from sources FIFOs and merge them in the device sample FIFO
|
|
for (std::vector<SampleVector::iterator>::iterator it = sampleSourceIterators.begin(); it != sampleSourceIterators.end(); ++it)
|
|
{
|
|
Sample s = (**it);
|
|
s /= m_multipleSourcesDivisionFactor;
|
|
++(*it);
|
|
|
|
if (it == sampleSourceIterators.begin()) {
|
|
(*writeAt) = s;
|
|
} else {
|
|
(*writeAt) += s;
|
|
}
|
|
}
|
|
|
|
sampleFifo->bumpIndex(writeAt);
|
|
}
|
|
}
|
|
}
|
|
|
|
// notStarted -> idle -> init -> running -+
|
|
// ^ |
|
|
// +-----------------------+
|
|
|
|
DSPDeviceSinkEngine::State DSPDeviceSinkEngine::gotoIdle()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoIdle";
|
|
|
|
switch(m_state) {
|
|
case StNotStarted:
|
|
return StNotStarted;
|
|
|
|
case StIdle:
|
|
case StError:
|
|
return StIdle;
|
|
|
|
case StReady:
|
|
case StRunning:
|
|
break;
|
|
}
|
|
|
|
if(m_deviceSampleSink == 0)
|
|
{
|
|
return StIdle;
|
|
}
|
|
|
|
// stop everything
|
|
|
|
for(BasebandSampleSources::const_iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); it++)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoIdle: stopping " << (*it)->objectName().toStdString().c_str();
|
|
(*it)->stop();
|
|
}
|
|
|
|
for(ThreadedBasebandSampleSources::const_iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); it++)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoIdle: stopping ThreadedSampleSource(" << (*it)->getSampleSourceObjectName().toStdString().c_str() << ")";
|
|
(*it)->stop();
|
|
}
|
|
|
|
if (m_spectrumSink)
|
|
{
|
|
disconnect(m_deviceSampleSink->getSampleFifo(), SIGNAL(dataRead(int)), this, SLOT(handleForwardToSpectrumSink(int)));
|
|
m_spectrumSink->stop();
|
|
}
|
|
|
|
m_deviceSampleSink->stop();
|
|
m_deviceDescription.clear();
|
|
m_sampleRate = 0;
|
|
|
|
return StIdle;
|
|
}
|
|
|
|
DSPDeviceSinkEngine::State DSPDeviceSinkEngine::gotoInit()
|
|
{
|
|
switch(m_state) {
|
|
case StNotStarted:
|
|
return StNotStarted;
|
|
|
|
case StRunning: // FIXME: assumes it goes first through idle state. Could we get back to init from running directly?
|
|
return StRunning;
|
|
|
|
case StReady:
|
|
return StReady;
|
|
|
|
case StIdle:
|
|
case StError:
|
|
break;
|
|
}
|
|
|
|
if (m_deviceSampleSink == 0)
|
|
{
|
|
return gotoError("DSPDeviceSinkEngine::gotoInit: No sample source configured");
|
|
}
|
|
|
|
// init: pass sample rate and center frequency to all sample rate and/or center frequency dependent sinks and wait for completion
|
|
|
|
m_deviceDescription = m_deviceSampleSink->getDeviceDescription();
|
|
m_centerFrequency = m_deviceSampleSink->getCenterFrequency();
|
|
m_sampleRate = m_deviceSampleSink->getSampleRate();
|
|
|
|
qDebug() << "DSPDeviceSinkEngine::gotoInit: "
|
|
<< " m_deviceDescription: " << m_deviceDescription.toStdString().c_str()
|
|
<< " sampleRate: " << m_sampleRate
|
|
<< " centerFrequency: " << m_centerFrequency;
|
|
|
|
DSPSignalNotification notif(m_sampleRate, m_centerFrequency);
|
|
|
|
for (BasebandSampleSources::const_iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoInit: initializing " << (*it)->objectName().toStdString().c_str();
|
|
(*it)->handleMessage(notif);
|
|
}
|
|
|
|
for (ThreadedBasebandSampleSources::const_iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoInit: initializing ThreadedSampleSource(" << (*it)->getSampleSourceObjectName().toStdString().c_str() << ")";
|
|
(*it)->handleSourceMessage(notif);
|
|
}
|
|
|
|
if (m_spectrumSink) {
|
|
m_spectrumSink->handleMessage(notif);
|
|
}
|
|
|
|
// pass data to listeners
|
|
if (m_deviceSampleSink->getMessageQueueToGUI())
|
|
{
|
|
DSPSignalNotification* rep = new DSPSignalNotification(notif); // make a copy for the output queue
|
|
m_deviceSampleSink->getMessageQueueToGUI()->push(rep);
|
|
}
|
|
|
|
return StReady;
|
|
}
|
|
|
|
DSPDeviceSinkEngine::State DSPDeviceSinkEngine::gotoRunning()
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoRunning";
|
|
|
|
switch(m_state)
|
|
{
|
|
case StNotStarted:
|
|
return StNotStarted;
|
|
|
|
case StIdle:
|
|
return StIdle;
|
|
|
|
case StRunning:
|
|
return StRunning;
|
|
|
|
case StReady:
|
|
case StError:
|
|
break;
|
|
}
|
|
|
|
if(m_deviceSampleSink == 0) {
|
|
return gotoError("DSPDeviceSinkEngine::gotoRunning: No sample source configured");
|
|
}
|
|
|
|
qDebug() << "DSPDeviceSinkEngine::gotoRunning: " << m_deviceDescription.toStdString().c_str() << " started";
|
|
|
|
// Start everything
|
|
|
|
if(!m_deviceSampleSink->start())
|
|
{
|
|
return gotoError("DSPDeviceSinkEngine::gotoRunning: Could not start sample sink");
|
|
}
|
|
|
|
for(BasebandSampleSources::const_iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); it++)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoRunning: starting " << (*it)->objectName().toStdString().c_str();
|
|
(*it)->start();
|
|
}
|
|
|
|
for (ThreadedBasebandSampleSources::const_iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoRunning: starting ThreadedSampleSource(" << (*it)->getSampleSourceObjectName().toStdString().c_str() << ")";
|
|
(*it)->start();
|
|
}
|
|
|
|
if (m_spectrumSink)
|
|
{
|
|
connect(m_deviceSampleSink->getSampleFifo(), SIGNAL(dataRead(int)), this, SLOT(handleForwardToSpectrumSink(int)));
|
|
m_spectrumSink->start();
|
|
}
|
|
|
|
qDebug() << "DSPDeviceSinkEngine::gotoRunning: input message queue pending: " << m_inputMessageQueue.size();
|
|
|
|
return StRunning;
|
|
}
|
|
|
|
DSPDeviceSinkEngine::State DSPDeviceSinkEngine::gotoError(const QString& errorMessage)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::gotoError";
|
|
|
|
m_errorMessage = errorMessage;
|
|
m_deviceDescription.clear();
|
|
m_state = StError;
|
|
return StError;
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::handleSetSink(DeviceSampleSink* sink)
|
|
{
|
|
gotoIdle();
|
|
|
|
m_deviceSampleSink = sink;
|
|
|
|
if(m_deviceSampleSink != 0) {
|
|
qDebug("DSPDeviceSinkEngine::handleSetSink: set %s", qPrintable(sink->getDeviceDescription()));
|
|
} else {
|
|
qDebug("DSPDeviceSinkEngine::handleSetSource: set none");
|
|
}
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::handleData(int nbSamples)
|
|
{
|
|
if(m_state == StRunning)
|
|
{
|
|
work(nbSamples);
|
|
}
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::handleSynchronousMessages()
|
|
{
|
|
Message *message = m_syncMessenger.getMessage();
|
|
qDebug() << "DSPDeviceSinkEngine::handleSynchronousMessages: " << message->getIdentifier();
|
|
|
|
if (DSPGenerationInit::match(*message))
|
|
{
|
|
m_state = gotoIdle();
|
|
|
|
if(m_state == StIdle) {
|
|
m_state = gotoInit(); // State goes ready if init is performed
|
|
}
|
|
}
|
|
else if (DSPGenerationStart::match(*message))
|
|
{
|
|
if(m_state == StReady) {
|
|
m_state = gotoRunning();
|
|
}
|
|
}
|
|
else if (DSPGenerationStop::match(*message))
|
|
{
|
|
m_state = gotoIdle();
|
|
}
|
|
else if (DSPGetSinkDeviceDescription::match(*message))
|
|
{
|
|
((DSPGetSinkDeviceDescription*) message)->setDeviceDescription(m_deviceDescription);
|
|
}
|
|
else if (DSPGetErrorMessage::match(*message))
|
|
{
|
|
((DSPGetErrorMessage*) message)->setErrorMessage(m_errorMessage);
|
|
}
|
|
else if (DSPSetSink::match(*message)) {
|
|
handleSetSink(((DSPSetSink*) message)->getSampleSink());
|
|
}
|
|
else if (DSPAddSpectrumSink::match(*message))
|
|
{
|
|
m_spectrumSink = ((DSPAddSpectrumSink*) message)->getSampleSink();
|
|
}
|
|
else if (DSPRemoveSpectrumSink::match(*message))
|
|
{
|
|
BasebandSampleSink* spectrumSink = ((DSPRemoveSpectrumSink*) message)->getSampleSink();
|
|
|
|
if(m_state == StRunning) {
|
|
spectrumSink->stop();
|
|
}
|
|
|
|
m_spectrumSink = 0;
|
|
}
|
|
else if (DSPAddBasebandSampleSource::match(*message))
|
|
{
|
|
BasebandSampleSource* source = ((DSPAddBasebandSampleSource*) message)->getSampleSource();
|
|
m_basebandSampleSources.push_back(source);
|
|
DSPSignalNotification notif(m_sampleRate, m_centerFrequency);
|
|
source->handleMessage(notif);
|
|
checkNumberOfBasebandSources();
|
|
|
|
if (m_state == StRunning)
|
|
{
|
|
source->start();
|
|
}
|
|
}
|
|
else if (DSPRemoveBasebandSampleSource::match(*message))
|
|
{
|
|
BasebandSampleSource* source = ((DSPRemoveBasebandSampleSource*) message)->getSampleSource();
|
|
|
|
if(m_state == StRunning) {
|
|
source->stop();
|
|
}
|
|
|
|
m_basebandSampleSources.remove(source);
|
|
checkNumberOfBasebandSources();
|
|
}
|
|
else if (DSPAddThreadedBasebandSampleSource::match(*message))
|
|
{
|
|
ThreadedBasebandSampleSource *threadedSource = ((DSPAddThreadedBasebandSampleSource*) message)->getThreadedSampleSource();
|
|
m_threadedBasebandSampleSources.push_back(threadedSource);
|
|
DSPSignalNotification notif(m_sampleRate, m_centerFrequency);
|
|
threadedSource->handleSourceMessage(notif);
|
|
checkNumberOfBasebandSources();
|
|
|
|
if (m_state == StRunning)
|
|
{
|
|
threadedSource->start();
|
|
}
|
|
}
|
|
else if (DSPRemoveThreadedBasebandSampleSource::match(*message))
|
|
{
|
|
ThreadedBasebandSampleSource* threadedSource = ((DSPRemoveThreadedBasebandSampleSource*) message)->getThreadedSampleSource();
|
|
if (m_state == StRunning) {
|
|
threadedSource->stop();
|
|
}
|
|
|
|
m_threadedBasebandSampleSources.remove(threadedSource);
|
|
checkNumberOfBasebandSources();
|
|
}
|
|
|
|
m_syncMessenger.done(m_state);
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != 0)
|
|
{
|
|
qDebug("DSPDeviceSinkEngine::handleInputMessages: message: %s", message->getIdentifier());
|
|
|
|
if (DSPSignalNotification::match(*message))
|
|
{
|
|
DSPSignalNotification *notif = (DSPSignalNotification *) message;
|
|
|
|
// update DSP values
|
|
|
|
m_sampleRate = notif->getSampleRate();
|
|
m_centerFrequency = notif->getCenterFrequency();
|
|
|
|
qDebug() << "DSPDeviceSinkEngine::handleInputMessages: DSPSignalNotification:"
|
|
<< " m_sampleRate: " << m_sampleRate
|
|
<< " m_centerFrequency: " << m_centerFrequency;
|
|
|
|
// forward source changes to sources with immediate execution
|
|
|
|
for(BasebandSampleSources::const_iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); it++)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::handleInputMessages: forward message to " << (*it)->objectName().toStdString().c_str();
|
|
(*it)->handleMessage(*message);
|
|
}
|
|
|
|
for (ThreadedBasebandSampleSources::const_iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
|
|
{
|
|
qDebug() << "DSPDeviceSinkEngine::handleSourceMessages: forward message to ThreadedSampleSource(" << (*it)->getSampleSourceObjectName().toStdString().c_str() << ")";
|
|
(*it)->handleSourceMessage(*message);
|
|
}
|
|
|
|
// forward changes to listeners on DSP output queue
|
|
|
|
MessageQueue *guiMessageQueue = m_deviceSampleSink->getMessageQueueToGUI();
|
|
qDebug("DSPDeviceSinkEngine::handleInputMessages: DSPSignalNotification: guiMessageQueue: %p", guiMessageQueue);
|
|
|
|
if (guiMessageQueue)
|
|
{
|
|
DSPSignalNotification* rep = new DSPSignalNotification(*notif); // make a copy for the output queue
|
|
guiMessageQueue->push(rep);
|
|
}
|
|
|
|
delete message;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::handleForwardToSpectrumSink(int nbSamples)
|
|
{
|
|
if (m_spectrumSink)
|
|
{
|
|
SampleSourceFifo* sampleFifo = m_deviceSampleSink->getSampleFifo();
|
|
SampleVector::iterator readUntil;
|
|
sampleFifo->getReadIterator(readUntil);
|
|
m_spectrumSink->feed(readUntil - nbSamples, readUntil, false);
|
|
}
|
|
}
|
|
|
|
void DSPDeviceSinkEngine::checkNumberOfBasebandSources()
|
|
{
|
|
SampleSourceFifo* sampleFifo = m_deviceSampleSink->getSampleFifo();
|
|
|
|
// single channel source handling
|
|
if ((m_threadedBasebandSampleSources.size() + m_basebandSampleSources.size()) == 1)
|
|
{
|
|
qDebug("DSPDeviceSinkEngine::checkNumberOfBasebandSources: single channel mode");
|
|
disconnect(sampleFifo, SIGNAL(dataWrite(int)), this, SLOT(handleData(int)));
|
|
|
|
if (m_threadedBasebandSampleSources.size() == 1) {
|
|
m_threadedBasebandSampleSources.back()->setDeviceSampleSourceFifo(sampleFifo);
|
|
} else if (m_basebandSampleSources.size() == 1) {
|
|
m_basebandSampleSources.back()->setDeviceSampleSourceFifo(sampleFifo);
|
|
}
|
|
|
|
m_multipleSourcesDivisionFactor = 1; // for consistency but it is not used in this case
|
|
}
|
|
// null or multiple channel sources handling
|
|
else
|
|
{
|
|
int nbSources = 0;
|
|
|
|
for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
|
|
{
|
|
(*it)->setDeviceSampleSourceFifo(0);
|
|
nbSources++;
|
|
}
|
|
|
|
for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
|
|
{
|
|
(*it)->setDeviceSampleSourceFifo(0);
|
|
nbSources++;
|
|
}
|
|
|
|
if (nbSources == 0) {
|
|
m_multipleSourcesDivisionFactor = 1;
|
|
} else if (nbSources < 3) {
|
|
m_multipleSourcesDivisionFactor = nbSources;
|
|
} else {
|
|
m_multipleSourcesDivisionFactor = 1<<nbSources;
|
|
}
|
|
|
|
if (nbSources > 1) {
|
|
connect(sampleFifo, SIGNAL(dataWrite(int)), this, SLOT(handleData(int)), Qt::QueuedConnection);
|
|
}
|
|
|
|
qDebug("DSPDeviceSinkEngine::checkNumberOfBasebandSources: handle %d channel(s)", nbSources);
|
|
}
|
|
}
|