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sdrangel/plugins/samplesource/soapysdrinput/soapysdrinputthread.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 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 <vector>
#include <algorithm>
#include <SoapySDR/Formats.hpp>
#include <SoapySDR/Errors.hpp>
#include "dsp/samplesinkfifo.h"
#include "soapysdr/devicesoapysdr.h"
#include "soapysdrinputthread.h"
SoapySDRInputThread::SoapySDRInputThread(SoapySDR::Device* dev, unsigned int nbRxChannels, QObject* parent) :
QThread(parent),
m_running(false),
m_dev(dev),
m_sampleRate(0),
m_nbChannels(nbRxChannels),
m_decimatorType(DecimatorFloat)
{
qDebug("SoapySDRInputThread::SoapySDRInputThread");
m_channels = new Channel[nbRxChannels];
}
SoapySDRInputThread::~SoapySDRInputThread()
{
qDebug("SoapySDRInputThread::~SoapySDRInputThread");
if (m_running) {
stopWork();
}
delete[] m_channels;
}
void SoapySDRInputThread::startWork()
{
if (m_running) {
return;
}
m_startWaitMutex.lock();
start();
while(!m_running) {
m_startWaiter.wait(&m_startWaitMutex, 100);
}
m_startWaitMutex.unlock();
}
void SoapySDRInputThread::stopWork()
{
if (!m_running) {
return;
}
m_running = false;
wait();
}
void SoapySDRInputThread::run()
{
m_running = true;
m_startWaiter.wakeAll();
unsigned int nbFifos = getNbFifos();
if ((m_nbChannels > 0) && (nbFifos > 0))
{
// build channels list
std::vector<std::size_t> channels(m_nbChannels);
std::iota(channels.begin(), channels.end(), 0); // Fill with 0, 1, ..., m_nbChannels-1.
//initialize the sample rate for all channels
for (const auto &it : channels) {
m_dev->setSampleRate(SOAPY_SDR_RX, it, m_sampleRate);
}
// Determine sample format to be used
double fullScale(0.0);
std::string format = m_dev->getNativeStreamFormat(SOAPY_SDR_RX, channels.front(), fullScale);
qDebug("SoapySDRInputThread::run: format: %s fullScale: %f", format.c_str(), fullScale);
if ((format == "CS8") && (fullScale == 128.0)) { // 8 bit signed - native
m_decimatorType = Decimator8;
} else if ((format == "CS16") && (fullScale == 2048.0)) { // 12 bit signed - native
m_decimatorType = Decimator12;
} else if ((format == "CS16") && (fullScale == 32768.0)) { // 16 bit signed - native
m_decimatorType = Decimator16;
} else { // for other types make a conversion to float
m_decimatorType = DecimatorFloat;
format = "CF32";
}
unsigned int elemSize = SoapySDR::formatToSize(format); // sample (I+Q) size in bytes
SoapySDR::Stream *stream = m_dev->setupStream(SOAPY_SDR_RX, format, channels);
//allocate buffers for the stream read/write
const unsigned int numElems = m_dev->getStreamMTU(stream); // number of samples (I+Q)
std::vector<std::vector<char>> buffMem(m_nbChannels, std::vector<char>(elemSize*numElems));
std::vector<void *> buffs(m_nbChannels);
for (std::size_t i = 0; i < m_nbChannels; i++) {
buffs[i] = buffMem[i].data();
}
for (unsigned int i = 0; i < m_nbChannels; i++) {
m_channels[i].m_convertBuffer.resize(numElems, Sample{0,0});
}
m_dev->activateStream(stream);
int flags(0);
long long timeNs(0);
float blockTime = ((float) numElems) / (m_sampleRate <= 0 ? 1024000 : m_sampleRate);
long initialTtimeoutUs = 10000000 * blockTime; // 10 times the block time
long timeoutUs = initialTtimeoutUs < 250000 ? 250000 : initialTtimeoutUs; // 250ms minimum
qDebug("SoapySDRInputThread::run: numElems: %u elemSize: %u initialTtimeoutUs: %ld timeoutUs: %ld",
numElems, elemSize, initialTtimeoutUs, timeoutUs);
qDebug("SoapySDRInputThread::run: start running loop");
while (m_running)
{
int ret = m_dev->readStream(stream, buffs.data(), numElems, flags, timeNs, timeoutUs);
if (ret == SOAPY_SDR_TIMEOUT)
{
qWarning("SoapySDRInputThread::run: timeout: flags: %d timeNs: %lld timeoutUs: %ld", flags, timeNs, timeoutUs);
}
else if (ret == SOAPY_SDR_OVERFLOW)
{
qWarning("SoapySDRInputThread::run: overflow: flags: %d timeNs: %lld timeoutUs: %ld", flags, timeNs, timeoutUs);
}
else if (ret < 0)
{
qCritical("SoapySDRInputThread::run: Unexpected read stream error: %s", SoapySDR::errToStr(ret));
break;
}
if (m_nbChannels > 1)
{
callbackMI(buffs, numElems*2); // size given in number of I or Q samples (2 items per sample)
}
else
{
switch (m_decimatorType)
{
case Decimator8:
callbackSI8((const qint8*) buffs[0], numElems*2);
break;
case Decimator12:
callbackSI12((const qint16*) buffs[0], numElems*2);
break;
case Decimator16:
callbackSI16((const qint16*) buffs[0], numElems*2);
break;
case DecimatorFloat:
default:
callbackSIF((const float*) buffs[0], numElems*2);
}
}
}
qDebug("SoapySDRInputThread::run: stop running loop");
m_dev->deactivateStream(stream);
m_dev->closeStream(stream);
}
else
{
qWarning("SoapySDRInputThread::run: no channels or FIFO allocated. Aborting");
}
m_running = false;
}
unsigned int SoapySDRInputThread::getNbFifos()
{
unsigned int fifoCount = 0;
for (unsigned int i = 0; i < m_nbChannels; i++)
{
if (m_channels[i].m_sampleFifo) {
fifoCount++;
}
}
return fifoCount;
}
void SoapySDRInputThread::setLog2Decimation(unsigned int channel, unsigned int log2_decim)
{
if (channel < m_nbChannels) {
m_channels[channel].m_log2Decim = log2_decim;
}
}
unsigned int SoapySDRInputThread::getLog2Decimation(unsigned int channel) const
{
if (channel < m_nbChannels) {
return m_channels[channel].m_log2Decim;
} else {
return 0;
}
}
void SoapySDRInputThread::setFcPos(unsigned int channel, int fcPos)
{
if (channel < m_nbChannels) {
m_channels[channel].m_fcPos = fcPos;
}
}
int SoapySDRInputThread::getFcPos(unsigned int channel) const
{
if (channel < m_nbChannels) {
return m_channels[channel].m_fcPos;
} else {
return 0;
}
}
void SoapySDRInputThread::setFifo(unsigned int channel, SampleSinkFifo *sampleFifo)
{
if (channel < m_nbChannels) {
m_channels[channel].m_sampleFifo = sampleFifo;
}
}
SampleSinkFifo *SoapySDRInputThread::getFifo(unsigned int channel)
{
if (channel < m_nbChannels) {
return m_channels[channel].m_sampleFifo;
} else {
return 0;
}
}
void SoapySDRInputThread::callbackMI(std::vector<void *>& buffs, qint32 samplesPerChannel)
{
for(unsigned int ichan = 0; ichan < m_nbChannels; ichan++)
{
switch (m_decimatorType)
{
case Decimator8:
callbackSI8((const qint8*) buffs[ichan], samplesPerChannel, ichan);
break;
case Decimator12:
callbackSI12((const qint16*) buffs[ichan], samplesPerChannel, ichan);
break;
case Decimator16:
callbackSI16((const qint16*) buffs[ichan], samplesPerChannel, ichan);
break;
case DecimatorFloat:
default:
callbackSIF((const float*) buffs[ichan], samplesPerChannel, ichan);
}
}
}
void SoapySDRInputThread::callbackSI8(const qint8* buf, qint32 len, unsigned int channel)
{
SampleVector::iterator it = m_channels[channel].m_convertBuffer.begin();
if (m_channels[channel].m_log2Decim == 0)
{
m_channels[channel].m_decimators8.decimate1(&it, buf, len);
}
else
{
if (m_channels[channel].m_fcPos == 0) // Infra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators8.decimate2_inf(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators8.decimate4_inf(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators8.decimate8_inf(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators8.decimate16_inf(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators8.decimate32_inf(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators8.decimate64_inf(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 1) // Supra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators8.decimate2_sup(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators8.decimate4_sup(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators8.decimate8_sup(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators8.decimate16_sup(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators8.decimate32_sup(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators8.decimate64_sup(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 2) // Center
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators8.decimate2_cen(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators8.decimate4_cen(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators8.decimate8_cen(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators8.decimate16_cen(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators8.decimate32_cen(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators8.decimate64_cen(&it, buf, len);
break;
default:
break;
}
}
}
m_channels[channel].m_sampleFifo->write(m_channels[channel].m_convertBuffer.begin(), it);
}
void SoapySDRInputThread::callbackSI12(const qint16* buf, qint32 len, unsigned int channel)
{
SampleVector::iterator it = m_channels[channel].m_convertBuffer.begin();
if (m_channels[channel].m_log2Decim == 0)
{
m_channels[channel].m_decimators12.decimate1(&it, buf, len);
}
else
{
if (m_channels[channel].m_fcPos == 0) // Infra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators12.decimate2_inf(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators12.decimate4_inf(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators12.decimate8_inf(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators12.decimate16_inf(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators12.decimate32_inf(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators12.decimate64_inf(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 1) // Supra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators12.decimate2_sup(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators12.decimate4_sup(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators12.decimate8_sup(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators12.decimate16_sup(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators12.decimate32_sup(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators12.decimate64_sup(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 2) // Center
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators12.decimate2_cen(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators12.decimate4_cen(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators12.decimate8_cen(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators12.decimate16_cen(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators12.decimate32_cen(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators12.decimate64_cen(&it, buf, len);
break;
default:
break;
}
}
}
m_channels[channel].m_sampleFifo->write(m_channels[channel].m_convertBuffer.begin(), it);
}
void SoapySDRInputThread::callbackSI16(const qint16* buf, qint32 len, unsigned int channel)
{
SampleVector::iterator it = m_channels[channel].m_convertBuffer.begin();
if (m_channels[channel].m_log2Decim == 0)
{
m_channels[channel].m_decimators16.decimate1(&it, buf, len);
}
else
{
if (m_channels[channel].m_fcPos == 0) // Infra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators16.decimate2_inf(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators16.decimate4_inf(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators16.decimate8_inf(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators16.decimate16_inf(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators16.decimate32_inf(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators16.decimate64_inf(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 1) // Supra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators16.decimate2_sup(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators16.decimate4_sup(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators16.decimate8_sup(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators16.decimate16_sup(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators16.decimate32_sup(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators16.decimate64_sup(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 2) // Center
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimators16.decimate2_cen(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimators16.decimate4_cen(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimators16.decimate8_cen(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimators16.decimate16_cen(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimators16.decimate32_cen(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimators16.decimate64_cen(&it, buf, len);
break;
default:
break;
}
}
}
m_channels[channel].m_sampleFifo->write(m_channels[channel].m_convertBuffer.begin(), it);
}
void SoapySDRInputThread::callbackSIF(const float* buf, qint32 len, unsigned int channel)
{
SampleVector::iterator it = m_channels[channel].m_convertBuffer.begin();
if (m_channels[channel].m_log2Decim == 0)
{
m_channels[channel].m_decimatorsFloat.decimate1(&it, buf, len);
}
else
{
if (m_channels[channel].m_fcPos == 0) // Infra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimatorsFloat.decimate2_inf(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimatorsFloat.decimate4_inf(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimatorsFloat.decimate8_inf(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimatorsFloat.decimate16_inf(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimatorsFloat.decimate32_inf(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimatorsFloat.decimate64_inf(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 1) // Supra
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimatorsFloat.decimate2_sup(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimatorsFloat.decimate4_sup(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimatorsFloat.decimate8_sup(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimatorsFloat.decimate16_sup(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimatorsFloat.decimate32_sup(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimatorsFloat.decimate64_sup(&it, buf, len);
break;
default:
break;
}
}
else if (m_channels[channel].m_fcPos == 2) // Center
{
switch (m_channels[channel].m_log2Decim)
{
case 1:
m_channels[channel].m_decimatorsFloat.decimate2_cen(&it, buf, len);
break;
case 2:
m_channels[channel].m_decimatorsFloat.decimate4_cen(&it, buf, len);
break;
case 3:
m_channels[channel].m_decimatorsFloat.decimate8_cen(&it, buf, len);
break;
case 4:
m_channels[channel].m_decimatorsFloat.decimate16_cen(&it, buf, len);
break;
case 5:
m_channels[channel].m_decimatorsFloat.decimate32_cen(&it, buf, len);
break;
case 6:
m_channels[channel].m_decimatorsFloat.decimate64_cen(&it, buf, len);
break;
default:
break;
}
}
}
m_channels[channel].m_sampleFifo->write(m_channels[channel].m_convertBuffer.begin(), it);
}
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