Hamlib/extra/gnuradio/nfm.h

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/*
* Hamlib GNUradio backend - Narrow FM class
* Copyright (c) 2003 by Stephane Fillod
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _NFM_H
#define _NFM_H 1
#include "demod.h"
#include <VrQuadratureDemod.h> /* FM */
class FMDemodChainCF : public DemodChainCF {
private:
VrQuadratureDemod<d_oType> *q_demod;
public:
FMDemodChainCF (VrSource<d_iType> *src, VrSink<d_oType> *snk, rmode_t mode, pbwidth_t width, int input_rate, freq_t centerfreq = 0) :
DemodChainCF(src, snk, mode, width, input_rate, centerfreq) {
demod_in = demod_out = q_demod = new VrQuadratureDemod<d_oType>(1.0);
}
~FMDemodChainCF() { delete q_demod; }
};
#endif /* _NFM_H */