/* -*- 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;
		float *m_pPeakData;
		float *m_pX;
		float *m_pXs;
		float *m_pXm;
		int *m_pPeakPos;
		uint64_t m_frameCount;
		pmt::pmt_t m_tag_id;
		
		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);
		int threshold(float *pDst, float *pSrc, int length, float thresh);
		int findPeakPos(int *pDst, float *pSrc, int length);
		
    };

} // namespace jay
} // namespace gr

#endif /* INCLUDED_JAY_PEAK_DETECT_IMPL_H */