mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 10:05:46 -05:00
108 lines
3.9 KiB
C++
108 lines
3.9 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_SAMPLEMOFIFO_H
|
|
#define INCLUDE_SAMPLEMOFIFO_H
|
|
|
|
#include <QObject>
|
|
#include <QMutex>
|
|
#include "dsp/dsptypes.h"
|
|
#include "export.h"
|
|
|
|
class SDRBASE_API SampleMOFifo : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
SampleMOFifo(QObject *parent = nullptr);
|
|
SampleMOFifo(unsigned int nbStreams, unsigned int size, QObject *parent = nullptr);
|
|
~SampleMOFifo();
|
|
|
|
void init(unsigned int nbStreams, unsigned int size);
|
|
void resize(unsigned int size);
|
|
void reset();
|
|
|
|
void readSync(
|
|
unsigned int amount,
|
|
unsigned int& ipart1Begin, unsigned int& ipart1End, // first part offsets where to read
|
|
unsigned int& ipart2Begin, unsigned int& ipart2End // second part offsets
|
|
);
|
|
|
|
void writeSync( //!< in place write with given amount
|
|
unsigned int amount,
|
|
unsigned int& ipart1Begin, unsigned int& ipart1End, // first part offsets where to write
|
|
unsigned int& ipart2Begin, unsigned int& ipart2End // second part offsets
|
|
);
|
|
|
|
void readAsync(
|
|
unsigned int amount,
|
|
unsigned int& ipart1Begin, unsigned int& ipart1End,
|
|
unsigned int& ipart2Begin, unsigned int& ipart2End,
|
|
unsigned int stream
|
|
);
|
|
|
|
void writeAsync( //!< in place write with given amount
|
|
unsigned int amount,
|
|
unsigned int& ipart1Begin, unsigned int& ipart1End,
|
|
unsigned int& ipart2Begin, unsigned int& ipart2End,
|
|
unsigned int stream
|
|
);
|
|
|
|
std::vector<SampleVector>& getData() { return m_data; }
|
|
SampleVector& getData(unsigned int stream) { return m_data[stream]; }
|
|
unsigned int getNbStreams() const { return m_data.size(); }
|
|
|
|
unsigned int remainderSync()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
return m_readCount;
|
|
}
|
|
|
|
unsigned int remainderAsync(unsigned int stream)
|
|
{
|
|
if (stream >= m_nbStreams) {
|
|
return 0;
|
|
}
|
|
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
return m_vReadCount[stream];
|
|
}
|
|
|
|
static unsigned int getSizePolicy(unsigned int sampleRate);
|
|
static const unsigned int m_rwDivisor;
|
|
static const unsigned int m_guardDivisor;
|
|
|
|
signals:
|
|
void dataReadSync();
|
|
void dataReadAsync(int streamIndex);
|
|
|
|
private:
|
|
std::vector<SampleVector> m_data;
|
|
unsigned int m_nbStreams;
|
|
unsigned int m_size;
|
|
unsigned int m_lowGuard;
|
|
unsigned int m_highGuard;
|
|
unsigned int m_midPoint;
|
|
unsigned int m_readCount;
|
|
unsigned int m_readHead;
|
|
unsigned int m_writeHead;
|
|
std::vector<unsigned int> m_vReadCount;
|
|
std::vector<unsigned int> m_vReadHead;
|
|
std::vector<unsigned int> m_vWriteHead;
|
|
QMutex m_mutex;
|
|
};
|
|
|
|
#endif // INCLUDE_SAMPLEMOFIFO_H
|