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sdrangel/sdrbase/dsp/decimatorsff.h

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3.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef SDRBASE_DSP_DECIMATORSFF_H_
#define SDRBASE_DSP_DECIMATORSFF_H_
#include "dsp/inthalfbandfiltereof.h"
#include "export.h"
#define DECIMATORSFF_HB_FILTER_ORDER 64
/** Decimators with float input and float output */
class SDRBASE_API DecimatorsFF
{
public:
void decimate1(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate2_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate2_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate2_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate4_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate4_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate4_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate8_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate8_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate8_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate16_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate16_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate16_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate32_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate32_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate32_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate64_inf(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate64_sup(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
void decimate64_cen(FSampleVector::iterator* it, const float* buf, qint32 nbIAndQ);
IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator2; // 1st stages
IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator4; // 2nd stages
IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator8; // 3rd stages
IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator16; // 4th stages
IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator32; // 5th stages
IntHalfbandFilterEOF<DECIMATORSFF_HB_FILTER_ORDER> m_decimator64; // 6th stages
};
#endif /* SDRBASE_DSP_DECIMATORSFF_H_ */