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sdrangel/sdrbase/dsp/samplefifo.h
2016-03-08 04:54:12 +01:00

68 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"
#include "util/export.h"
class SDRANGEL_API SampleFifo : public QObject {
Q_OBJECT
private:
QMutex m_mutex;
QTime m_msgRateTimer;
int m_suppressed;
SampleVector m_data;
uint m_size;
uint m_fill;
uint m_head;
uint m_tail;
void create(uint s);
public:
SampleFifo(QObject* parent = NULL);
SampleFifo(int size, QObject* parent = NULL);
~SampleFifo();
bool setSize(int size);
inline uint size() const { return m_size; }
inline uint fill() { QMutexLocker mutexLocker(&m_mutex); uint fill = m_fill; return fill; }
uint write(const quint8* data, uint count);
uint write(SampleVector::const_iterator begin, SampleVector::const_iterator end);
uint read(SampleVector::iterator begin, SampleVector::iterator end);
uint readBegin(uint count,
SampleVector::iterator* part1Begin, SampleVector::iterator* part1End,
SampleVector::iterator* part2Begin, SampleVector::iterator* part2End);
uint readCommit(uint count);
signals:
void dataReady();
};
#endif // INCLUDE_SAMPLEFIFO_H