kopia lustrzana https://github.com/f4exb/sdrangel
103 wiersze
4.0 KiB
C++
103 wiersze
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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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_SAMPLEMIFIFO_H
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#define INCLUDE_SAMPLEMIFIFO_H
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#include <QObject>
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#include <QMutex>
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#include <QTime>
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#include "dsp/dsptypes.h"
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#include "export.h"
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class SDRBASE_API SampleMIFifo : public QObject {
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Q_OBJECT
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public:
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SampleMIFifo(QObject* parent = nullptr);
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SampleMIFifo(unsigned int nbStreams, unsigned int size, QObject* parent = nullptr);
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void init(unsigned int nbStreams, unsigned int size);
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inline unsigned int size() const { return m_size; }
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inline unsigned int fillSync()
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{
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QMutexLocker mutexLocker(&m_mutex);
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unsigned int fill = m_fill;
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return fill;
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}
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inline unsigned int fillAsync(unsigned int stream)
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{
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if (stream >= m_nbStreams) {
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return 0;
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}
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QMutexLocker mutexLocker(&m_mutex);
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unsigned int fill = m_vfill[stream];
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return fill;
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}
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const std::vector<SampleVector>& getData() { return m_data; }
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unsigned int getNbStreams() const { return m_nbStreams; }
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unsigned int writeSync(const quint8* data, unsigned int count); //!< de-interleaved data in input with count bytes for each stream
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unsigned int writeSync(std::vector<SampleVector::const_iterator> vbegin, unsigned int count);
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unsigned int readSync(unsigned int count,
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std::vector<SampleVector::const_iterator*> vpart1Begin, std::vector<SampleVector::const_iterator*> vpart1End,
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std::vector<SampleVector::const_iterator*> vpart2Begin, std::vector<SampleVector::const_iterator*> vpart2End);
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unsigned int readSync(unsigned int count,
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int& ipart1Begin, int& ipart1End,
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int& ipart2Begin, int& ipart2End);
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unsigned int readCommitSync(unsigned int count);
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unsigned int writeAsync(const quint8* data, unsigned int count, unsigned int stream);
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unsigned int writeAsync(SampleVector::const_iterator begin, unsigned int count, unsigned int stream);
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unsigned int readAsync(unsigned int count,
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SampleVector::const_iterator* part1Begin, SampleVector::const_iterator* part1End,
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SampleVector::const_iterator* part2Begin, SampleVector::const_iterator* part2End,
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unsigned int stream);
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unsigned int readCommitAsync(unsigned int count, unsigned int stream);
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signals:
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void dataSyncReady();
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void dataAsyncReady(int streamIndex);
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private:
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QMutex m_mutex;
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std::vector<SampleVector> m_data;
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unsigned int m_nbStreams;
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unsigned int m_size;
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// Synchronous
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int m_suppressed;
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QTime m_msgRateTimer;
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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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// Asynchronous
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std::vector<int> m_vsuppressed;
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std::vector<QTime> m_vmsgRateTimer;
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std::vector<unsigned int> m_vfill;
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std::vector<unsigned int> m_vhead;
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std::vector<unsigned int> m_vtail;
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};
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#endif // INCLUDE_SAMPLEMIFIFO_H
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