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https://github.com/f4exb/sdrangel.git
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FIFO for multiple input handling
This commit is contained in:
f4exb
parent
fb8dfec0eb
commit
e3082d2ef2
@ -97,6 +97,7 @@ set(sdrbase_SOURCES
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dsp/phaselock.cpp
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dsp/phaselock.cpp
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dsp/phaselockcomplex.cpp
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dsp/phaselockcomplex.cpp
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dsp/projector.cpp
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dsp/projector.cpp
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dsp/samplemififo.cpp
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dsp/samplesinkfifo.cpp
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dsp/samplesinkfifo.cpp
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dsp/samplesinkvector.cpp
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dsp/samplesinkvector.cpp
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dsp/samplesourcefifo.cpp
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dsp/samplesourcefifo.cpp
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@ -236,6 +237,7 @@ set(sdrbase_HEADERS
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dsp/phaselockcomplex.h
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dsp/phaselockcomplex.h
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dsp/projector.h
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dsp/projector.h
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dsp/recursivefilters.h
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dsp/recursivefilters.h
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dsp/samplemififo.h
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dsp/samplesinkfifo.h
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dsp/samplesinkfifo.h
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dsp/samplesinkvector.h
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dsp/samplesinkvector.h
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dsp/samplesourcefifo.h
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dsp/samplesourcefifo.h
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196
sdrbase/dsp/samplemififo.cpp
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196
sdrbase/dsp/samplemififo.cpp
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@ -0,0 +1,196 @@
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include "samplemififo.h"
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SampleMIFifo::SampleMIFifo(QObject *parent) :
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QObject(parent)
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{
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}
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SampleMIFifo::SampleMIFifo(unsigned int nbStreams, unsigned int size, QObject *parent) :
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QObject(parent)
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{
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for (unsigned int i = 0; i < nbStreams; i++)
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{
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m_data.push_back(SampleVector());
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m_data.back().resize(size);
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m_vFill.push_back(0);
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m_vHead.push_back(0);
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}
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}
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void SampleMIFifo::init(unsigned int nbStreams, unsigned int size)
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{
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m_data.clear();
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m_vFill.clear();
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m_vHead.clear();
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for (unsigned int i = 0; i < nbStreams; i++)
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{
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m_data.push_back(SampleVector());
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m_data.back().resize(size);
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m_vFill.push_back(0);
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m_vHead.push_back(0);
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}
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}
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void SampleMIFifo::writeSync(const std::vector<SampleVector::const_iterator>& vbegin, unsigned int size)
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{
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if ((m_data.size() == 0) || (m_data.size() != vbegin.size())) {
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return;
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}
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QMutexLocker mutexLocker(&m_mutex);
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std::vector<SampleVector>::iterator dataIt = m_data.begin();
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std::vector<SampleVector::const_iterator>::const_iterator vbeginIt = vbegin.begin();
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int stream = 0;
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for (; dataIt != m_data.end(); ++dataIt, ++vbeginIt, ++stream)
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{
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int spaceLeft = dataIt->size() - m_vFill[stream];
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if (size < spaceLeft)
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{
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std::copy(*vbeginIt, *vbeginIt + size, dataIt->begin() + m_vFill[stream]);
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m_vFill[stream] += size;
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}
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else
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{
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int remaining = size - spaceLeft;
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std::copy(*vbeginIt, *vbeginIt + spaceLeft, dataIt->begin() + m_vFill[stream]);
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std::copy(*vbeginIt + spaceLeft, *vbeginIt + size, dataIt->begin());
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m_vFill[stream] = remaining;
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}
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}
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m_head = m_vHead[0];
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m_fill = m_vFill[0];
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emit dataSyncReady();
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}
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void SampleMIFifo::writeAsync(unsigned int stream, const SampleVector::const_iterator& begin, unsigned int size)
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{
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if (stream < m_data.size())
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{
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QMutexLocker mutexLocker(&m_mutex);
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int spaceLeft = m_data[stream].size() - m_vFill[stream];
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if (size < spaceLeft)
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{
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std::copy(begin, begin + size, m_data[stream].begin() + m_vFill[stream]);
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m_vFill[stream] += size;
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}
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else
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{
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int remaining = size - spaceLeft;
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std::copy(begin, begin + spaceLeft, m_data[stream].begin() + m_vFill[stream]);
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std::copy(begin + spaceLeft, begin + size, m_data[stream].begin());
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m_vFill[stream] = remaining;
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}
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emit dataAsyncReady(stream);
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}
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}
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void SampleMIFifo::readSync(
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std::vector<SampleVector::const_iterator>& vpart1Begin, std::vector<SampleVector::const_iterator>& vpart1End,
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std::vector<SampleVector::const_iterator>& vpart2Begin, std::vector<SampleVector::const_iterator>& vpart2End
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)
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{
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QMutexLocker mutexLocker(&m_mutex);
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std::vector<SampleVector>::iterator dataIt = m_data.begin();
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int stream = 0;
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for (; dataIt != m_data.end(); ++dataIt, ++stream)
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{
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if (m_vHead[stream] < m_vFill[stream])
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{
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vpart1Begin.push_back(dataIt->begin() + m_vHead[stream]);
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vpart1End.push_back(dataIt->begin() + m_vFill[stream]);
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vpart2Begin.push_back(dataIt->begin());
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vpart2End.push_back(dataIt->begin());
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}
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else
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{
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vpart1Begin.push_back(dataIt->begin() + m_vHead[stream]);
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vpart1End.push_back(dataIt->end());
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vpart2Begin.push_back(dataIt->begin());
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vpart2End.push_back(dataIt->begin() + m_vFill[stream]);
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}
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m_vHead[stream] = m_vFill[stream];
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}
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}
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void SampleMIFifo::readSync(int& part1Begin, int& part1End, int& part2Begin, int& part2End)
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{
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if (m_data.size() == 0) {
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return;
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}
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QMutexLocker mutexLocker(&m_mutex);
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if (m_head < m_fill)
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{
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part1Begin = m_head;
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part1End = m_fill;
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part2Begin = 0;
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part2End = 0;
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}
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else
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{
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part1Begin = m_head;
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part2End = m_data[0].size();
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part2Begin = 0;
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part2End = m_fill;
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}
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for (unsigned int stream = 0; stream < m_data.size(); stream++) {
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m_vHead[stream] = m_vFill[stream];
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}
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m_head = m_fill;
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}
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void SampleMIFifo::readAsync(unsigned int stream,
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SampleVector::const_iterator& part1Begin, SampleVector::const_iterator& part1End,
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SampleVector::const_iterator& part2Begin, SampleVector::const_iterator& part2End)
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{
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if (stream < m_data.size())
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{
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QMutexLocker mutexLocker(&m_mutex);
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if (m_vHead[stream] < m_vFill[stream])
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{
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part1Begin = m_data[stream].begin() + m_vHead[stream];
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part1End = m_data[stream].begin() + m_vFill[stream];
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part2Begin = m_data[stream].begin();
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part2End = m_data[stream].begin();
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}
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else
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{
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part1Begin = m_data[stream].begin() + m_vHead[stream];
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part1End = m_data[stream].end();
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part2Begin = m_data[stream].begin();
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part2End = m_data[stream].begin() + m_vFill[stream];
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}
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m_vHead[stream] = m_vFill[stream];
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}
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}
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60
sdrbase/dsp/samplemififo.h
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60
sdrbase/dsp/samplemififo.h
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@ -0,0 +1,60 @@
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_SAMPLEMIFIFO_H
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#define INCLUDE_SAMPLEMIFIFO_H
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#include <QObject>
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#include <QMutex>
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#include <vector>
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#include "dsp/dsptypes.h"
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#include "export.h"
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class SDRBASE_API SampleMIFifo : public QObject {
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Q_OBJECT
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public:
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SampleMIFifo(QObject *parent = nullptr);
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SampleMIFifo(unsigned int nbStreams, unsigned int size, QObject *parent = nullptr);
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void init(unsigned int nbStreams, unsigned int size);
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void writeSync(const std::vector<SampleVector::const_iterator>& vbegin, unsigned int size);
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void writeAsync(unsigned int stream, const SampleVector::const_iterator& begin, unsigned int size);
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void readSync(
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std::vector<SampleVector::const_iterator>& vpart1Begin, std::vector<SampleVector::const_iterator>& vpart1End,
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std::vector<SampleVector::const_iterator>& vpart2Begin, std::vector<SampleVector::const_iterator>& vpart2End
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);
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void readSync(int& part1Begin, int& part1End, int& part2Begin, int& part2End);
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void readAsync(unsigned int stream,
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SampleVector::const_iterator& part1Begin, SampleVector::const_iterator& part1End,
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SampleVector::const_iterator& part2Begin, SampleVector::const_iterator& part2End);
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const std::vector<SampleVector>& getData() { return m_data; }
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signals:
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void dataSyncReady();
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void dataAsyncReady(int streamIndex);
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private:
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std::vector<SampleVector> m_data;
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std::vector<int> m_vFill; //!< Number of samples written from beginning of samples vector
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std::vector<int> m_vHead; //!< Number of samples read from beginning of samples vector
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int m_fill;
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int m_head;
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QMutex m_mutex;
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};
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#endif // INCLUDE_SAMPLEMIFIFO_H
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