mirror of
https://github.com/f4exb/sdrangel.git
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383 lines
11 KiB
C++
383 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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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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void SampleMIFifo::init(unsigned int nbStreams, unsigned int size)
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_nbStreams = nbStreams;
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m_size = size;
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m_fill = 0;
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m_head = 0;
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m_data.resize(nbStreams);
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m_vFill.clear();
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m_vHead.clear();
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for (unsigned int stream = 0; stream < nbStreams; stream++)
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{
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m_data[stream].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::reset()
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_fill = 0;
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m_head = 0;
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for (unsigned int stream = 0; stream < m_nbStreams; stream++)
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{
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m_vFill[stream] = 0;
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m_vHead[stream] = 0;
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}
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}
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SampleMIFifo::SampleMIFifo(QObject *parent) :
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QObject(parent),
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m_nbStreams(0),
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m_size(0),
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m_fill(0),
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m_head(0),
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m_mutex(QMutex::Recursive)
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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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m_mutex(QMutex::Recursive)
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{
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init(nbStreams, size);
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}
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SampleMIFifo::~SampleMIFifo()
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{
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qDebug("SampleMIFifo::~SampleMIFifo: m_fill: %u", m_fill);
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qDebug("SampleMIFifo::~SampleMIFifo: m_head: %u", m_head);
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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qDebug("SampleMIFifo::~SampleMIFifo: m_data[%u] size: %lu", stream, m_data[stream].size());
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qDebug("SampleMIFifo::~SampleMIFifo: m_vFill[%u] %u", stream, m_vFill[stream]);
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qDebug("SampleMIFifo::~SampleMIFifo: m_vHead[%u] %u", stream, m_vHead[stream]);
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}
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}
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void SampleMIFifo::writeSync(const quint8* data, unsigned int count)
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{
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QMutexLocker mutexLocker(&m_mutex);
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unsigned int spaceLeft = m_size - m_fill;
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unsigned int size = count / sizeof(Sample);
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if (size > m_size)
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{
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qWarning("SampleMIFifo::writeSync: input size %u greater that FIFO size %u: truncating input", size, m_size);
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size = m_size;
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count = m_size * sizeof(Sample);
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}
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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if (size <= spaceLeft)
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{
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std::copy(&data[stream*count], &data[stream*count] + count, m_data[stream].begin() + m_fill);
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m_fill += size;
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}
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else
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{
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unsigned int remaining = size - spaceLeft;
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unsigned int bytesLeft = spaceLeft*sizeof(Sample);
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std::copy(&data[stream*count], &data[stream*count] + bytesLeft, m_data[stream].begin() + m_fill);
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std::copy(&data[stream*count] + bytesLeft, &data[stream*count] + count, m_data[stream].begin());
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m_fill = remaining;
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}
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}
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emit dataSyncReady();
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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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unsigned int spaceLeft = m_size - m_fill;
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if (size > m_size)
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{
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qWarning("SampleMIFifo::writeSync: input size %u greater that FIFO size %u: truncating input", size, m_size);
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size = m_size;
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}
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if (size <= spaceLeft)
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{
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for (unsigned int stream = 0; stream < m_data.size(); stream++) {
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std::copy(vbegin[stream], vbegin[stream] + size, m_data[stream].begin() + m_fill);
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}
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m_fill += size;
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}
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else
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{
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unsigned int remaining = size - spaceLeft;
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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std::copy(vbegin[stream], vbegin[stream] + spaceLeft, m_data[stream].begin() + m_fill);
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std::copy(vbegin[stream] + spaceLeft, vbegin[stream] + size, m_data[stream].begin());
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}
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m_fill = remaining;
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}
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emit dataSyncReady();
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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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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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vpart1Begin.resize(m_nbStreams);
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vpart1End.resize(m_nbStreams);
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vpart2Begin.resize(m_nbStreams);
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vpart2End.resize(m_nbStreams);
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if (m_head < m_fill)
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{
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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*vpart1Begin[stream] = m_data[stream].begin() + m_head;
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*vpart1End[stream] = m_data[stream].begin() + m_fill;
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*vpart2Begin[stream] = m_data[stream].end();
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*vpart2End[stream] = m_data[stream].end();
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}
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}
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else
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{
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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*vpart1Begin[stream] = m_data[stream].begin() + m_head;
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*vpart1End[stream] = m_data[stream].end();
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*vpart2Begin[stream] = m_data[stream].begin();
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*vpart2End[stream] = m_data[stream].begin() + m_fill;
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}
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}
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m_head = m_fill;
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}
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void SampleMIFifo::readSync(
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std::vector<unsigned int>& vpart1Begin, std::vector<unsigned int>& vpart1End,
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std::vector<unsigned int>& vpart2Begin, std::vector<unsigned int>& vpart2End
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)
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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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vpart1Begin.resize(m_nbStreams);
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vpart1End.resize(m_nbStreams);
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vpart2Begin.resize(m_nbStreams);
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vpart2End.resize(m_nbStreams);
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if (m_head < m_fill)
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{
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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vpart1Begin[stream] = m_head;
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vpart1End[stream] = m_fill;
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vpart2Begin[stream] = 0;
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vpart2End[stream] = 0;
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}
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}
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else
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{
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for (unsigned int stream = 0; stream < m_data.size(); stream++)
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{
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vpart1Begin[stream] = m_head;
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vpart1End[stream] = m_size;
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vpart2Begin[stream] = 0;
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vpart2End[stream] = m_fill;
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}
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}
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m_head = m_fill;
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}
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void SampleMIFifo::readSync(
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unsigned int& ipart1Begin, unsigned int& ipart1End,
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unsigned int& ipart2Begin, unsigned int& ipart2End
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)
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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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ipart1Begin = m_head;
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ipart1End = m_fill;
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ipart2Begin = 0;
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ipart2End = 0;
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}
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else
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{
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ipart1Begin = m_head;
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ipart1End = m_size;
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ipart2Begin = 0;
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ipart2End = m_fill;
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}
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m_head = m_fill;
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}
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void SampleMIFifo::writeAsync(const quint8* data, unsigned int count, unsigned int stream)
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{
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if (stream >= m_nbStreams) {
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return;
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}
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QMutexLocker mutexLocker(&m_mutex);
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unsigned int spaceLeft = m_size - m_vFill[stream];
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unsigned int size = count / sizeof(Sample);
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if (size > m_size)
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{
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qWarning("SampleMIFifo::writeAsync: input size %u greater that FIFO size %u: truncating input", size, m_size);
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size = m_size;
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count = m_size * sizeof(Sample);
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}
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if (size <= spaceLeft)
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{
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std::copy(&data[stream*count], &data[stream*count] + count, 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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unsigned int remaining = size - spaceLeft;
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unsigned int bytesLeft = spaceLeft * sizeof(Sample);
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std::copy(&data[stream*count], &data[stream*count] + bytesLeft, m_data[stream].begin() + m_vFill[stream]);
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std::copy(&data[stream*count] + bytesLeft, &data[stream*count] + count, 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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void SampleMIFifo::writeAsync(const SampleVector::const_iterator& begin, unsigned int size, unsigned int stream)
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{
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if (stream >= m_nbStreams) {
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return;
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}
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QMutexLocker mutexLocker(&m_mutex);
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unsigned int spaceLeft = m_size < m_vFill[stream] ? 0 : m_size - m_vFill[stream];
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if (size > m_size)
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{
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qWarning("SampleMIFifo::writeAsync: input size %u greater that FIFO size %u: truncating input", size, m_size);
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size = m_size;
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}
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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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unsigned 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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void SampleMIFifo::readAsync(
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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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unsigned int stream)
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{
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if (stream >= m_nbStreams) {
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return;
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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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void SampleMIFifo::readAsync(
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unsigned int& ipart1Begin, unsigned int& ipart1End,
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unsigned int& ipart2Begin, unsigned int& ipart2End,
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unsigned int stream)
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{
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if (stream >= m_data.size()) {
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return;
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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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ipart1Begin = m_vHead[stream];
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ipart1End = m_vFill[stream];
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ipart2Begin = m_size;
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ipart2End = m_size;
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}
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else
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{
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ipart1Begin = m_vHead[stream];
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ipart1End = m_size;
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ipart2Begin = 0;
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ipart2End = 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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