sdrangelove/hardware/samplefifo.h

69 lines
2.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// //
// 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 //
// //
// 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_SAMPLEFIFO_H
#define INCLUDE_SAMPLEFIFO_H
#include <QObject>
#include <QMutex>
#include <QTime>
#include "dsp/dsptypes.h"
class SampleFifo : public QObject {
Q_OBJECT
private:
QMutex m_mutex;
QTime m_msgRateTimer;
int m_suppressed;
SampleVector m_data;
size_t m_size;
size_t m_fill;
size_t m_head;
size_t m_tail;
void create(size_t s);
public:
SampleFifo(QObject* parent = NULL);
SampleFifo(int size, QObject* parent = NULL);
~SampleFifo();
SampleFifo(const SampleFifo&);
SampleFifo& operator=(const SampleFifo&);
bool setSize(int size);
inline size_t fill() const { return m_fill; }
size_t write(const quint8* data, size_t count);
size_t write(SampleVector::const_iterator begin, SampleVector::const_iterator end);
size_t read(SampleVector::iterator begin, SampleVector::iterator end);
size_t readBegin(size_t count,
SampleVector::iterator* part1Begin, SampleVector::iterator* part1End,
SampleVector::iterator* part2Begin, SampleVector::iterator* part2End);
size_t readCommit(size_t count);
signals:
void dataReady();
};
#endif // INCLUDE_SAMPLEFIFO_H