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55 lines
2.3 KiB
C++
55 lines
2.3 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 REMOTESINK_REMOTEOUTPUTFIFO_H_
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#define REMOTESINK_REMOTEOUTPUTFIFO_H_
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#include <vector>
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#include <QObject>
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#include <QMutex>
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#include "channel/remotedatablock.h"
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class RemoteOutputFifo : public QObject {
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Q_OBJECT
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public:
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RemoteOutputFifo(QObject *parent = nullptr);
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RemoteOutputFifo(unsigned int size, QObject *parent = nullptr);
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~RemoteOutputFifo();
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void resize(unsigned int size);
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void reset();
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RemoteDataBlock *getDataBlock();
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unsigned int readDataBlock(RemoteDataBlock **dataBlock);
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unsigned int getRemainder();
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signals:
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void dataBlockServed();
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private:
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std::vector<RemoteDataBlock> m_data;
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int m_size;
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unsigned int m_readHead; //!< index of last data block processed
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unsigned int m_servedHead; //!< index of last data block served
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unsigned int m_writeHead; //!< index of next data block to serve
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QMutex m_mutex;
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unsigned int calculateRemainder();
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};
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#endif // REMOTESINK_REMOTEOUTPUTFIFO_H_
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