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sdrangel/sdrbase/dsp/dspdevicesinkengine.cpp

685 lines
22 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 //
// //
// 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) :
m_uid(uid),
QThread(parent),
m_state(StNotStarted),
m_deviceSampleSink(0),
m_sampleSinkSequence(0),
m_basebandSampleSources(),
m_spectrumSink(0),
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()
{
wait();
}
void DSPDeviceSinkEngine::run()
{
qDebug() << "DSPDeviceSinkEngine::run";
m_state = StIdle;
m_syncMessenger.done(); // Release start() that is waiting in main thread
exec();
}
void DSPDeviceSinkEngine::start()
{
qDebug() << "DSPDeviceSinkEngine::start";
QThread::start();
}
void DSPDeviceSinkEngine::stop()
{
qDebug() << "DSPDeviceSinkEngine::stop";
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::addSource(BasebandSampleSource* source)
{
qDebug() << "DSPDeviceSinkEngine::addSource: " << source->objectName().toStdString().c_str();
DSPAddSource cmd(source);
m_syncMessenger.sendWait(cmd);
}
void DSPDeviceSinkEngine::removeSource(BasebandSampleSource* source)
{
qDebug() << "DSPDeviceSinkEngine::removeSource: " << source->objectName().toStdString().c_str();
DSPRemoveSource cmd(source);
m_syncMessenger.sendWait(cmd);
}
void DSPDeviceSinkEngine::addThreadedSource(ThreadedBasebandSampleSource* source)
{
qDebug() << "DSPDeviceSinkEngine::addThreadedSource: " << source->objectName().toStdString().c_str();
DSPAddThreadedSampleSource cmd(source);
m_syncMessenger.sendWait(cmd);
}
void DSPDeviceSinkEngine::removeThreadedSource(ThreadedBasebandSampleSource* source)
{
qDebug() << "DSPDeviceSinkEngine::removeThreadedSource: " << source->objectName().toStdString().c_str();
DSPRemoveThreadedSampleSource 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)
{
SampleSourceFifo* sampleFifo = m_deviceSampleSink->getSampleFifo();
//unsigned int nbWriteSamples = sampleFifo->getChunkSize();
// single channel source handling
if ((m_threadedBasebandSampleSources.size() + m_basebandSampleSources.size()) == 1)
{
// qDebug("DSPDeviceSinkEngine::work: single channel source handling");
for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
{
(*it)->feed(sampleFifo, nbWriteSamples);
}
for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
{
(*it)->feed(sampleFifo, nbWriteSamples);
}
}
// multiple channel sources handling
else if ((m_threadedBasebandSampleSources.size() + m_basebandSampleSources.size()) > 1)
{
// qDebug("DSPDeviceSinkEngine::work: multiple channel sources handling: %u", m_multipleSourcesDivisionFactor);
// SampleVector::iterator writeBegin;
// sampleFifo->getWriteIterator(writeBegin);
// SampleVector::iterator writeAt = writeBegin;
// Sample s;
// int sourceOccurence = 0;
//
// // Read a chunk of data from the sources
//
// for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
// {
// ((*it)->getSampleSourceFifo()).readAdvance(m_threadedBasebandSampleSourcesIteratorMap[*it], nbWriteSamples);
// m_threadedBasebandSampleSourcesIteratorMap[*it] -= nbWriteSamples;
// }
//
// for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
// {
// ((*it)->getSampleSourceFifo()).readAdvance(m_basebandSampleSourcesIteratorMap[*it], nbWriteSamples);
// m_basebandSampleSourcesIteratorMap[*it] -= nbWriteSamples;
// }
//
// // Process sample by sample
//
// for (int is = 0; is < nbWriteSamples; is++)
// {
// // pull data from threaded sources and merge them in the device sample FIFO
// for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
// {
// s = *m_threadedBasebandSampleSourcesIteratorMap[*it];
// s /= (m_threadedBasebandSampleSources.size() + m_basebandSampleSources.size());
//
// if (sourceOccurence == 0) {
// (*writeAt) = s;
// } else {
// (*writeAt) += s;
// }
//
// sourceOccurence++;
// m_threadedBasebandSampleSourcesIteratorMap[*it]++;
// }
//
// // pull data from direct sources and merge them in the device sample FIFO
// for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
// {
// s = *m_basebandSampleSourcesIteratorMap[*it];
// s /= (m_threadedBasebandSampleSources.size() + m_basebandSampleSources.size());
//
// if (sourceOccurence == 0) {
// (*writeAt) = s;
// } else {
// (*writeAt) += s;
// }
//
// sourceOccurence++;
// m_basebandSampleSourcesIteratorMap[*it]++;
// }
//
// sampleFifo->bumpIndex(writeAt);
// sourceOccurence = 0;
// }
SampleVector::iterator writeBegin;
sampleFifo->getWriteIterator(writeBegin);
SampleVector::iterator writeAt = writeBegin;
Sample s;
int sourceOccurence = 0;
for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
{
(*it)->pullAudio(nbWriteSamples);
}
for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
{
(*it)->pullAudio(nbWriteSamples);
}
for (int is = 0; is < nbWriteSamples; is++)
{
// pull data from threaded sources and merge them in the device sample FIFO
for (ThreadedBasebandSampleSources::iterator it = m_threadedBasebandSampleSources.begin(); it != m_threadedBasebandSampleSources.end(); ++it)
{
(*it)->pull(s);
s /= m_multipleSourcesDivisionFactor;
if (sourceOccurence == 0) {
(*writeAt) = s;
} else {
(*writeAt) += s;
}
sourceOccurence++;
}
// pull data from direct sources and merge them in the device sample FIFO
for (BasebandSampleSources::iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); ++it)
{
(*it)->pull(s);
s /= m_multipleSourcesDivisionFactor;
if (sourceOccurence == 0) {
(*writeAt) = s;
} else {
(*writeAt) += s;
}
sourceOccurence++;
}
sampleFifo->bumpIndex(writeAt);
sourceOccurence = 0;
}
// feed the mix to the main spectrum sink
// if (m_spectrumSink)
// {
// m_spectrumSink->feed(writeBegin, writeBegin + nbWriteSamples, false);
// }
}
}
// 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();
}
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()
{
qDebug() << "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.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);
}
m_spectrumSink->handleMessage(notif);
// pass data to listeners
DSPSignalNotification* rep = new DSPSignalNotification(notif); // make a copy for the output queue
m_outputMessageQueue.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 source");
}
uint32_t nbSources = m_basebandSampleSources.size() + m_threadedBasebandSampleSources.size();
if (nbSources == 0) {
m_multipleSourcesDivisionFactor = 1;
} else if (nbSources < 3) {
m_multipleSourcesDivisionFactor = nbSources;
} else {
m_multipleSourcesDivisionFactor = 1<<nbSources;
}
for(BasebandSampleSources::const_iterator it = m_basebandSampleSources.begin(); it != m_basebandSampleSources.end(); it++)
{
qDebug() << "DSPDeviceSinkEngine::gotoRunning: starting " << (*it)->objectName().toStdString().c_str();
// not used with sample by sample processing
// (*it)->getSampleSourceFifo().resize(2*m_deviceSampleSink->getSampleFifo()->size()); // Equalize channel source FIFO size with device sink FIFO size
(*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() << ")";
// not used with sample by sample processing
// (*it)->getSampleSourceFifo().resize(2*m_deviceSampleSink->getSampleFifo()->size()); // Equalize channel source FIFO size with device sink FIFO size
(*it)->start();
}
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();
// if(m_sampleSource != 0)
// {
// disconnect(m_sampleSource->getSampleFifo(), SIGNAL(dataReady()), this, SLOT(handleData()));
// }
m_deviceSampleSink = sink;
if(m_deviceSampleSink != 0)
{
qDebug("DSPDeviceSinkEngine::handleSetSink: set %s", qPrintable(sink->getDeviceDescription()));
connect(m_deviceSampleSink->getSampleFifo(), SIGNAL(dataWrite(int)), this, SLOT(handleData(int)), Qt::QueuedConnection);
}
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 (DSPExit::match(*message))
{
gotoIdle();
m_state = StNotStarted;
exit();
}
else 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 (DSPAddSource::match(*message))
{
BasebandSampleSource* source = ((DSPAddSource*) message)->getSampleSource();
m_basebandSampleSources.push_back(source);
// not used with sample by sample processing
// BasebandSampleSourcesIteratorMapKV kv;
// kv.first = source;
// (source->getSampleSourceFifo()).getReadIterator(kv.second);
// m_basebandSampleSourcesIteratorMap.insert(kv);
}
else if (DSPRemoveSource::match(*message))
{
BasebandSampleSource* source = ((DSPRemoveSource*) message)->getSampleSource();
if(m_state == StRunning) {
source->stop();
}
// not used with sample by sample processing
// m_basebandSampleSourcesIteratorMap.erase(source);
m_basebandSampleSources.remove(source);
}
else if (DSPAddThreadedSampleSource::match(*message))
{
ThreadedBasebandSampleSource *threadedSource = ((DSPAddThreadedSampleSource*) message)->getThreadedSampleSource();
m_threadedBasebandSampleSources.push_back(threadedSource);
// not used with sample by sample processing
// ThreadedBasebandSampleSourcesIteratorMapKV kv;
// kv.first = threadedSource;
// (threadedSource->getSampleSourceFifo()).getReadIterator(kv.second);
// m_threadedBasebandSampleSourcesIteratorMap.insert(kv);
threadedSource->start();
}
else if (DSPRemoveThreadedSampleSource::match(*message))
{
ThreadedBasebandSampleSource* threadedSource = ((DSPRemoveThreadedSampleSource*) message)->getThreadedSampleSource();
threadedSource->stop();
// not used with sample by sample processing
// m_threadedBasebandSampleSourcesIteratorMap.erase(threadedSource);
m_threadedBasebandSampleSources.remove(threadedSource);
}
m_syncMessenger.done(m_state);
}
void DSPDeviceSinkEngine::handleInputMessages()
{
qDebug() << "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_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
DSPSignalNotification* rep = new DSPSignalNotification(*notif); // make a copy for the output queue
m_outputMessageQueue.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);
}
}