/////////////////////////////////////////////////////////////////////////////////// // 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 . // /////////////////////////////////////////////////////////////////////////////////// #ifndef SDRBASE_DSP_DECIMATORSFI_H_ #define SDRBASE_DSP_DECIMATORSFI_H_ #include "dsp/inthalfbandfiltereof.h" #include "export.h" #define DECIMATORSFI_HB_FILTER_ORDER 64 /** Decimators with float input and integer output */ class SDRBASE_API DecimatorsFI { public: void decimate1(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate2_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate2_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate2_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate4_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate4_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate4_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate8_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate8_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate8_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate16_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate16_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate16_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate32_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate32_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate32_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate64_inf(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate64_sup(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); void decimate64_cen(SampleVector::iterator* it, const float* buf, qint32 nbIAndQ); IntHalfbandFilterEOF m_decimator2; // 1st stages IntHalfbandFilterEOF m_decimator4; // 2nd stages IntHalfbandFilterEOF m_decimator8; // 3rd stages IntHalfbandFilterEOF m_decimator16; // 4th stages IntHalfbandFilterEOF m_decimator32; // 5th stages IntHalfbandFilterEOF m_decimator64; // 6th stages }; #endif /* SDRBASE_DSP_DECIMATORSFI_H_ */