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										 |  |  | ///////////////////////////////////////////////////////////////////////////////////
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							|  |  |  | // Copyright (C) 2019 F4EXB                                                      //
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							|  |  |  | // written by Edouard Griffiths                                                  //
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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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							|  |  |  | // This is a lightweight channel sample source interface
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							|  |  |  | #ifndef SDRBASE_DSP_CHANNELSAMPLESOURCE_H_
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							|  |  |  | #define SDRBASE_DSP_CHANNELSAMPLESOURCE_H_
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							|  |  |  | #include "export.h"
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							|  |  |  | #include "dsptypes.h"
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							|  |  |  | class SDRBASE_API ChannelSampleSource { | 
					
						
							|  |  |  | public: | 
					
						
							|  |  |  | 	ChannelSampleSource(); | 
					
						
							|  |  |  | 	virtual ~ChannelSampleSource(); | 
					
						
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							|  |  |  | 	virtual void pull(SampleVector::iterator begin, unsigned int nbSamples) = 0; //!< pull nbSamples from the source and write them starting at begin
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							|  |  |  |     virtual void pullOne(Sample& sample) = 0; //!< pull a single sample from the source
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										 |  |  | 	virtual void prefetch(unsigned int nbSamples) = 0; //!< Do operation(s) before pulling nbSamples
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										 |  |  | }; | 
					
						
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							|  |  |  | #endif // SDRBASE_DSP_CHANNELSAMPLESOURCE_H_
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