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sdrangel/sdrbase/dsp/samplesimplefifo.h

53 lines
2.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2016-2020 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 INCLUDE_SAMPLESIMPLEFIFO_H
#define INCLUDE_SAMPLESIMPLEFIFO_H
#include "dsp/dsptypes.h"
#include "export.h"
class SDRBASE_API SampleSimpleFifo {
public:
SampleSimpleFifo();
SampleSimpleFifo(int size);
SampleSimpleFifo(const SampleSimpleFifo& other);
~SampleSimpleFifo();
bool setSize(int size);
void reset();
unsigned int getSize() { return m_size; }
unsigned int write(SampleVector::const_iterator begin, SampleVector::const_iterator end);
unsigned int readBegin(unsigned int count,
SampleVector::iterator* part1Begin, SampleVector::iterator* part1End,
SampleVector::iterator* part2Begin, SampleVector::iterator* part2End);
unsigned int readCommit(unsigned int count);
private:
SampleVector m_data; //!< FIFO container
unsigned int m_size; //!< size of FIFO (above)
unsigned int m_fill; //!< number of samples in FIFO
unsigned int m_head; //!< read point
unsigned int m_tail; //!< write point
void create(unsigned int s);
};
#endif // INCLUDE_SAMPLESIMPLEFIFO_H