2019-10-16 18:03:52 -04:00
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///////////////////////////////////////////////////////////////////////////////////
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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_SAMPLEMOFIFO_H
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#define INCLUDE_SAMPLEMOFIFO_H
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#include <QObject>
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#include <QMutex>
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#include "dsp/dsptypes.h"
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#include "export.h"
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class SDRBASE_API SampleMOFifo : public QObject {
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Q_OBJECT
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public:
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SampleMOFifo(QObject *parent = nullptr);
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SampleMOFifo(unsigned int nbStreams, unsigned int size, QObject *parent = nullptr);
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~SampleMOFifo();
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void init(unsigned int nbStreams, unsigned int size);
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void reset();
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void readSync(
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unsigned int amount,
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unsigned int& ipart1Begin, unsigned int& ipart1End,
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unsigned int& ipart2Begin, unsigned int& ipart2End
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);
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void writeSync(const std::vector<SampleVector::const_iterator>& vbegin, unsigned int amount);
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void readAsync(
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unsigned int amount,
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unsigned int& ipart1Begin, unsigned int& ipart1End,
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unsigned int& ipart2Begin, unsigned int& ipart2End,
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unsigned int stream
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);
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void writeAsync(const SampleVector::const_iterator& begin, unsigned int amount, unsigned int stream);
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2019-10-17 12:41:38 -04:00
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std::vector<SampleVector>& getData() { return m_data; }
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SampleVector& getData(unsigned int stream) { return m_data[stream]; }
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2019-10-16 18:58:36 -04:00
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unsigned int getNbStreams() const { return m_data.size(); }
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2019-10-16 18:03:52 -04:00
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unsigned int remainderSync()
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{
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QMutexLocker mutexLocker(&m_mutex);
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return m_readCount;
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}
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unsigned int remainderAsync(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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return m_vReadCount[stream];
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}
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signals:
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void dataSyncRead();
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void dataAsyncRead(int streamIndex);
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private:
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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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unsigned int m_readCount;
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unsigned int m_readHead;
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unsigned int m_writeHead;
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std::vector<unsigned int> m_vReadCount;
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std::vector<unsigned int> m_vReadHead;
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std::vector<unsigned int> m_vWriteHead;
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QMutex m_mutex;
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};
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#endif // INCLUDE_SAMPLEMOFIFO_H
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