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			56 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.2 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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| 
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| #ifndef REMOTESINK_REMOTEOUTPUTFIFO_H_
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| #define REMOTESINK_REMOTEOUTPUTFIFO_H_
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| 
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| #include <vector>
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| 
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| #include <QObject>
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| #include <QMutex>
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| 
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| #include "channel/remotedatablock.h"
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| 
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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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| 
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|     RemoteDataFrame *getDataFrame();
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|     unsigned int readDataFrame(RemoteDataFrame **dataFrame);
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|     unsigned int getRemainder();
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| 
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| signals:
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|     void dataBlockServed();
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| 
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| private:
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|     std::vector<RemoteDataFrame> m_data;
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|     int m_size;
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|     int m_readHead;   //!< index of last data block processed
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|     int m_servedHead; //!< index of last data block served
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|     int m_writeHead;  //!< index of next data block to serve
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|     QMutex m_mutex;
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| 
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|     unsigned int calculateRemainder();
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| };
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| 
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| #endif // REMOTESINK_REMOTEOUTPUTFIFO_H_
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