kopia lustrzana https://github.com/f4exb/sdrangel
50 wiersze
1.8 KiB
C++
50 wiersze
1.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016 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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// //
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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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#ifndef DSDPLUS_DSD_FILTERS_H_
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#define DSDPLUS_DSD_FILTERS_H_
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#define NZEROS 60
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#define NXZEROS 134
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namespace DSDplus
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{
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class DSDFilters
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{
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public:
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DSDFilters();
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~DSDFilters();
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static const float ngain = 7.423339364f;
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static const float xcoeffs[];
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static const float nxgain = 15.95930463f;
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static const float nxcoeffs[];
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short dsd_input_filter(short sample, int mode);
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short dmr_filter(short sample);
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short nxdn_filter(short sample);
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private:
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float xv[NZEROS+1];
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float nxv[NXZEROS+1];
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};
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}
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#endif /* DSDPLUS_DSD_FILTERS_H_ */
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