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/* -*- c++ -*- */
/*
* Copyright 2016 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H
#define INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H
#include <gnuradio/vocoder/freedv_rx_ss.h>
extern "C" {
struct freedv_rx_callback_state {
FILE *ftxt;
};
static void put_next_rx_char(void *callback_state, char c);
void put_next_rx_proto(void *callback_state,char *proto_bits);
void datarx(void *callback_state, unsigned char *packet, size_t size);
void datatx(void *callback_state, unsigned char *packet, size_t *size);
}
namespace gr {
namespace vocoder {
class freedv_rx_ss_impl : public freedv_rx_ss
{
private:
short *d_speech_out;
short *d_demod_in;
struct freedv *d_freedv;
int d_nin, d_nout, d_frame;
struct freedv_rx_callback_state d_cb_state;
struct MODEM_STATS d_stats;
int d_mode;
int d_sync;
int d_total_bits;
int d_total_bit_errors;
float d_snr_est;
float d_squelch_thresh;
int d_speech_samples;
int d_max_modem_samples;
float d_clock_offset;
int d_use_codecrx;
struct CODEC2 *d_c2 = NULL;
public:
freedv_rx_ss_impl(int mode, float squelch_thresh);
~freedv_rx_ss_impl();
void set_squelch_thresh(float squelch_thresh);
float squelch_thresh();
// Where all the action really happens
void forecast(int noutput_items, gr_vector_int &ninput_items_required);
int general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
} /* namespace vocoder */
} /* namespace gr */
#endif /* INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H */
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