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			61 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////////
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| // Copyright (C) 2018 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 SDRBASE_DSP_DECIMATORSFF_H_
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| #define SDRBASE_DSP_DECIMATORSFF_H_
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| 
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| #include "dsp/inthalfbandfiltereof.h"
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| #include "export.h"
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| 
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| #define DECIMATORSFF_HB_FILTER_ORDER 64
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| 
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| /** Decimators with float input and float output */
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| class SDRBASE_API DecimatorsFF
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| {
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| public:
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|     void decimate1(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate2_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate2_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate2_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate4_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate4_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate4_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate8_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate8_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate8_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate16_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate16_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate16_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate32_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate32_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate32_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate64_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate64_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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|     void decimate64_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
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| 
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|     IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator2;  // 1st stages
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|     IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator4;  // 2nd stages
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|     IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator8;  // 3rd stages
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|     IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator16; // 4th stages
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|     IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator32; // 5th stages
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|     IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator64; // 6th stages
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| };
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| 
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| 
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| 
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| #endif /* SDRBASE_DSP_DECIMATORSFF_H_ */
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