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GnuRadio/gr-jay/lib/peak_detect_impl.h
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2019-05-24 16:04:32 +00:00

55 lines
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C++

/* -*- c++ -*- */
/*
* Copyright 2019 Jay Arrowfield.
*
* This 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; either version 3, or (at your option)
* any later version.
*
* This software 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_JAY_PEAK_DETECT_IMPL_H
#define INCLUDED_JAY_PEAK_DETECT_IMPL_H
#include <jay/peak_detect.h>
namespace gr {
namespace jay {
class peak_detect_impl : public peak_detect
{
private:
// Nothing to declare in this block.
float m_alpha_s;
float m_alpha_m;
int *m_pPeak;
float *m_pXs;
float *m_pXm;
uint64_t m_frameCount;
public:
peak_detect_impl(float alpha_s, float alpha_m, int vlen);
~peak_detect_impl();
// Where all the action really happens
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items);
void fill(float *pDst, int length, float value);
float mean(float *pSrc, int length);
};
} // namespace jay
} // namespace gr
#endif /* INCLUDED_JAY_PEAK_DETECT_IMPL_H */