mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-08 17:46:03 -05:00
101 lines
4.5 KiB
C++
101 lines
4.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2019 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_SAMPLEMIFIFO_H
|
|
#define INCLUDE_SAMPLEMIFIFO_H
|
|
|
|
#include <QObject>
|
|
#include <QRecursiveMutex>
|
|
#include <vector>
|
|
#include "dsp/dsptypes.h"
|
|
#include "export.h"
|
|
|
|
class SDRBASE_API SampleMIFifo : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
SampleMIFifo(QObject *parent = nullptr);
|
|
SampleMIFifo(unsigned int nbStreams, unsigned int size, QObject *parent = nullptr);
|
|
~SampleMIFifo();
|
|
void init(unsigned int nbStreams, unsigned int size);
|
|
void reset();
|
|
|
|
void writeSync(const quint8* data, unsigned int count); //!< de-interleaved data in input with count bytes for each stream
|
|
void writeSync(const std::vector<SampleVector::const_iterator>& vbegin, unsigned int size);
|
|
void readSync(
|
|
std::vector<SampleVector::const_iterator*> vpart1Begin, std::vector<SampleVector::const_iterator*> vpart1End,
|
|
std::vector<SampleVector::const_iterator*> vpart2Begin, std::vector<SampleVector::const_iterator*> vpart2End
|
|
);
|
|
void readSync(
|
|
std::vector<unsigned int>& vPart1Begin, std::vector<unsigned int>& vPart1End,
|
|
std::vector<unsigned int>& vPart2Begin, std::vector<unsigned int>& vPart2End
|
|
);
|
|
void readSync(
|
|
unsigned int& ipart1Begin, unsigned int& ipart1End,
|
|
unsigned int& ipart2Begin, unsigned int& ipart2End
|
|
);
|
|
|
|
void writeAsync(const quint8* data, unsigned int count, unsigned int stream);
|
|
void writeAsync(const SampleVector::const_iterator& begin, unsigned int inputSize, unsigned int stream);
|
|
void readAsync(
|
|
SampleVector::const_iterator* part1Begin, SampleVector::const_iterator* part1End,
|
|
SampleVector::const_iterator* part2Begin, SampleVector::const_iterator* part2End,
|
|
unsigned int stream);
|
|
void readAsync(
|
|
unsigned int& ipart1Begin, unsigned int& ipart1End,
|
|
unsigned int& ipart2Begin, unsigned int& ipart2End,
|
|
unsigned int stream);
|
|
|
|
|
|
const std::vector<SampleVector>& getData() { return m_data; }
|
|
const SampleVector& getData(unsigned int stream) { return m_data[stream]; }
|
|
unsigned int getNbStreams() const { return m_data.size(); }
|
|
|
|
inline unsigned int fillSync()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
unsigned int fill = m_head <= m_fill ? m_fill - m_head : m_size - (m_head - m_fill);
|
|
return fill;
|
|
}
|
|
|
|
inline unsigned int fillAsync(unsigned int stream)
|
|
{
|
|
if (stream >= m_nbStreams) {
|
|
return 0;
|
|
}
|
|
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
unsigned int fill = m_vHead[stream] <= m_vFill[stream] ? m_vFill[stream] - m_vHead[stream] : m_size - (m_vHead[stream] - m_vFill[stream]);
|
|
return fill;
|
|
}
|
|
|
|
signals:
|
|
void dataSyncReady();
|
|
void dataAsyncReady(int streamIndex);
|
|
|
|
private:
|
|
std::vector<SampleVector> m_data;
|
|
unsigned int m_nbStreams;
|
|
unsigned int m_size;
|
|
unsigned int m_fill; //!< Number of samples written from beginning of samples vector (sync)
|
|
unsigned int m_head; //!< Number of samples read from beginning of samples vector (sync)
|
|
std::vector<unsigned int> m_vFill; //!< Number of samples written from beginning of samples vector (async)
|
|
std::vector<unsigned int> m_vHead; //!< Number of samples read from beginning of samples vector (async)
|
|
QRecursiveMutex m_mutex;
|
|
};
|
|
|
|
#endif // INCLUDE_SAMPLEMIFIFO_H
|