mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-03 15:31:15 -05:00
269 lines
8.3 KiB
C++
269 lines
8.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// //
|
|
// 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef SDRBASE_UTIL_DOUBLEBUFFERMULTIPLE_H_
|
|
#define SDRBASE_UTIL_DOUBLEBUFFERMULTIPLE_H_
|
|
|
|
#include <vector>
|
|
#include <algorithm>
|
|
|
|
#include <QByteArray>
|
|
|
|
#include "simpleserializer.h"
|
|
|
|
template<typename T>
|
|
class DoubleBufferMultiple
|
|
{
|
|
public:
|
|
DoubleBufferMultiple()
|
|
{
|
|
m_size = 0;
|
|
m_currentPosition = 0;
|
|
m_current = m_data.end();
|
|
}
|
|
|
|
~DoubleBufferMultiple() {}
|
|
|
|
DoubleBufferMultiple(const DoubleBufferMultiple& other)
|
|
{
|
|
m_size = other.m_size;
|
|
m_data.resize(other.m_data.size());
|
|
m_current.resize(other.m_data.size());
|
|
m_currentPosition = 0;
|
|
|
|
for (unsigned int i = 0; i < other.m_data.size(); i++)
|
|
{
|
|
m_data[i] = other.m_data[i];
|
|
m_current[i] = m_data[i].begin();
|
|
}
|
|
}
|
|
|
|
DoubleBufferMultiple& operator=(const DoubleBufferMultiple& other)
|
|
{
|
|
if (&other == this) {
|
|
return *this;
|
|
}
|
|
|
|
m_size = other.m_size;
|
|
m_data.resize(other.m_data.size());
|
|
m_current.resize(other.m_data.size());
|
|
m_currentPosition = 0;
|
|
|
|
for (unsigned int i = 0; i < other.m_data.size(); i++)
|
|
{
|
|
m_data[i] = other.m_data[i];
|
|
m_current[i] = m_data[i].begin();
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
void resize(int size)
|
|
{
|
|
m_size = size;
|
|
m_currentPosition = 0;
|
|
|
|
for (unsigned int i = 0; i < m_data.size(); i++)
|
|
{
|
|
m_data[i].resize(2*size);
|
|
m_current[i] = m_data[i].begin();
|
|
}
|
|
}
|
|
|
|
void addStream()
|
|
{
|
|
m_data.push_back(std::vector<T>(2*m_size));
|
|
m_current.push_back(std::vector<T>::iterator());
|
|
m_current.back() = m_data.back().begin();
|
|
}
|
|
|
|
void write(const std::vector<typename std::vector<T>::const_iterator>& vbegin, int length)
|
|
{
|
|
int insize = length > m_size ? m_size : length;
|
|
|
|
if ((m_currentPosition + insize) > m_size)
|
|
{
|
|
int sizeLeft = m_size - m_currentPosition;
|
|
m_currentPosition = insize - sizeLeft;
|
|
}
|
|
else
|
|
{
|
|
m_currentPosition += insize;
|
|
}
|
|
|
|
for (unsigned int i = 0; i < vbegin.size(); i++)
|
|
{
|
|
if (i >= m_data.size()) {
|
|
break;
|
|
}
|
|
|
|
std::copy(vbegin[i], vbegin[i] + insize, m_current[i]);
|
|
|
|
if (((m_current[i] - m_data[i].begin()) + insize) > m_size)
|
|
{
|
|
int sizeLeft = m_size - (m_current[i] - m_data[i].begin());
|
|
std::copy(vbegin[i], vbegin[i] + sizeLeft, m_current[i] + m_size);
|
|
std::copy(vbegin[i] + sizeLeft, vbegin[i] + insize, m_data[i].begin());
|
|
m_current[i] = m_data[i].begin() + (insize - sizeLeft);
|
|
}
|
|
else
|
|
{
|
|
std::copy(vbegin[i], vbegin[i] + insize, m_current[i] + m_size);
|
|
m_current[i] += insize;
|
|
}
|
|
}
|
|
}
|
|
|
|
// void write(const typename std::vector<T>::const_iterator& begin, const typename std::vector<T>::const_iterator& cend)
|
|
// {
|
|
// typename std::vector<T>::const_iterator end = cend;
|
|
|
|
// if ((end - begin) > m_size) {
|
|
// end = begin + m_size;
|
|
// }
|
|
|
|
// int insize = end - begin;
|
|
|
|
// std::copy(begin, end, m_current);
|
|
|
|
// if (((m_current - m_data.begin()) + insize) > m_size)
|
|
// {
|
|
// int sizeLeft = m_size - (m_current - m_data.begin());
|
|
// std::copy(begin, begin + sizeLeft, m_current + m_size);
|
|
// std::copy(begin + sizeLeft, end, m_data.begin());
|
|
// m_current = m_data.begin() + (insize - sizeLeft);
|
|
// }
|
|
// else
|
|
// {
|
|
// std::copy(begin, end, m_current + m_size);
|
|
// m_current += insize;
|
|
// }
|
|
// }
|
|
|
|
typename std::vector<T>::iterator getCurrent(unsigned int i) const { return m_current[i] + m_size; }
|
|
typename std::vector<T>::const_iterator begin(unsigned int i) const { return m_data[i].begin(); }
|
|
typename std::vector<T>::iterator begin(unsigned int i) { return m_data[i].begin(); }
|
|
unsigned int absoluteFill(unsigned int i) const { return m_current[i] - m_data[i].begin(); }
|
|
void reset(unsigned int i) { m_current[i] = m_data[i].begin(); }
|
|
|
|
void getCurrent(std::vector<typename std::vector<T>::iterator>& vcurrent) const
|
|
{
|
|
vcurrent.clear();
|
|
|
|
for (unsigned int i = 0; i < m_data.size(); i++) {
|
|
vcurrent.push_back(m_data[i].begin() + m_currentPosition + m_size);
|
|
}
|
|
}
|
|
|
|
int getCurrentPosition() const {
|
|
return m_currentPosition + m_size;
|
|
}
|
|
|
|
void begin(typename std::vector<typename std::vector<T>::const_iterator>& vbegin) const
|
|
{
|
|
vbegin.clear();
|
|
|
|
for (unsigned int i = 0; i < m_data.size(); i++) {
|
|
vbegin.push_back(m_data[i].begin());
|
|
}
|
|
}
|
|
|
|
void begin(typename std::vector<typename std::vector<T>::iterator>& vbegin)
|
|
{
|
|
vbegin.clear();
|
|
|
|
for (unsigned int i = 0; i < m_data.size(); i++) {
|
|
vbegin.push_back(m_data[i].begin());
|
|
}
|
|
}
|
|
|
|
unsigned int absoluteFill() const { return m_currentPosition; }
|
|
|
|
void reset()
|
|
{
|
|
m_currentPosition = 0;
|
|
|
|
for (unsigned int i = 0; i < m_current.size(); i++) {
|
|
m_current[i] = m_data[i].begin();
|
|
}
|
|
}
|
|
|
|
QByteArray serialize() const
|
|
{
|
|
SimpleSerializer s(1);
|
|
|
|
s.writeU32(1, std::min(m_data.size(), 10U));
|
|
s.writeS32(2, m_size);
|
|
|
|
for (unsigned int i = 0; i < std::min(m_data.size(), 10U); i++)
|
|
{
|
|
QByteArray buf(reinterpret_cast<const char*>(m_data[i].data()), m_data[i].size()*sizeof(T));
|
|
s.writeU32(10*i + 11, m_current[i] - m_data[i].begin());
|
|
s.writeBlob(10*i + 12, buf);
|
|
}
|
|
|
|
return s.final();
|
|
}
|
|
|
|
bool deserialize(const QByteArray& data)
|
|
{
|
|
SimpleDeserializer d(data);
|
|
|
|
if(!d.isValid()) {
|
|
return false;
|
|
}
|
|
|
|
if (d.getVersion() == 1)
|
|
{
|
|
unsigned int tmpUInt;
|
|
unsigned int nbStreams;
|
|
QByteArray buf;
|
|
|
|
d.readU32(1, &nbStreams, 0);
|
|
nbStreams = nbStreams > 10 ? 10 : nbStreams;
|
|
m_data.resize(nbStreams);
|
|
m_current.resize(nbStreams);
|
|
d.readS32(2, &m_size, 0);
|
|
|
|
for (unsigned int i = 0; i < nbStreams; i++)
|
|
{
|
|
m_data.resize(2*m_size);
|
|
d.readU32(10*i + 11, &tmpUInt, 0);
|
|
d.readBlob(10*i + 12, &buf);
|
|
m_current[i] = m_data[i].begin() + tmpUInt;
|
|
memcpy(reinterpret_cast<char *>(m_data[i].data()), buf.data(), buf.size());
|
|
//qDebug("DoubleBufferMutiple::deserialize: i: %u m_data.size(): %u buf.size(): %d", i, m_data[i].size(), buf.size());
|
|
//std::copy(reinterpret_cast<char *>(m_data.data()), buf.data(), buf.data() + buf.size()); // bug
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private:
|
|
int m_size;
|
|
std::vector<std::vector<T>> m_data;
|
|
std::vector<typename std::vector<T>::iterator> m_current;
|
|
int m_currentPosition;
|
|
};
|
|
|
|
#endif /* SDRBASE_UTIL_DOUBLEBUFFERMULTIPLE_H_ */
|