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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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|  | 
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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 { | ||
|  |     Q_OBJECT | ||
|  | public: | ||
|  |     RemoteOutputFifo(QObject *parent = nullptr); | ||
|  |     RemoteOutputFifo(unsigned int size, QObject *parent = nullptr); | ||
|  |     ~RemoteOutputFifo(); | ||
|  |     void resize(unsigned int size); | ||
|  |     void reset(); | ||
|  | 
 | ||
|  |     RemoteDataBlock *getDataBlock(); | ||
|  |     unsigned int readDataBlock(RemoteDataBlock **dataBlock); | ||
|  |     unsigned int getRemainder(); | ||
|  | 
 | ||
|  | signals: | ||
|  |     void dataBlockServed(); | ||
|  | 
 | ||
|  | private: | ||
|  |     std::vector<RemoteDataBlock> m_data; | ||
|  |     int m_size; | ||
|  |     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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|  | #endif // REMOTESINK_REMOTEOUTPUTFIFO_H_
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