mirror of https://github.com/f4exb/sdrangel.git
80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2016, 2018-2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_DATAFIFO_H
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#define INCLUDE_DATAFIFO_H
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#include <QObject>
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#include <QRecursiveMutex>
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#include <QElapsedTimer>
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#include <QByteArray>
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#include "export.h"
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class SDRBASE_API DataFifo : public QObject {
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Q_OBJECT
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public:
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enum DataType
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{
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DataTypeI16, //!< 16 bit signed integer
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DataTypeCI16 //!< Complex (i.e. Re, Im pair of) 16 bit signed integer
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};
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DataFifo(QObject* parent = nullptr);
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DataFifo(int size, QObject* parent = nullptr);
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DataFifo(const DataFifo& other);
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~DataFifo();
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bool setSize(int size);
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void reset();
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inline unsigned int size() const { return m_size; }
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inline unsigned int fill() { QMutexLocker mutexLocker(&m_mutex); unsigned int fill = m_fill; return fill; }
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unsigned int write(const quint8* data, unsigned int count, DataType dataType);
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unsigned int write(QByteArray::const_iterator begin, QByteArray::const_iterator end, DataType dataType);
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unsigned int read(QByteArray::iterator begin, QByteArray::iterator end, DataType& dataType);
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unsigned int readBegin(unsigned int count,
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QByteArray::iterator* part1Begin, QByteArray::iterator* part1End,
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QByteArray::iterator* part2Begin, QByteArray::iterator* part2End,
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DataType& daaType);
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unsigned int readCommit(unsigned int count);
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signals:
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void dataReady();
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private:
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QElapsedTimer m_msgRateTimer;
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int m_suppressed;
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QByteArray m_data;
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DataType m_currentDataType;
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QRecursiveMutex m_mutex;
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unsigned int m_size;
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unsigned int m_fill;
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unsigned int m_head;
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unsigned int m_tail;
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void create(unsigned int s);
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};
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#endif // INCLUDE_DATAFIFO_H
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