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/* -*- c++ -*- */
/*
* Copyright 2016-2019 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H
#define INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H
#include <gnuradio/vocoder/freedv_rx_ss.h>
namespace gr {
namespace vocoder {
class freedv_rx_ss_impl : public freedv_rx_ss
{
private:
struct freedv* d_freedv;
int d_nin, d_nout;
std::string d_rx_str;
static void put_next_rx_char(void* callback_state, char c);
const pmt::pmt_t d_port;
struct MODEM_STATS d_stats;
int d_sync;
int d_total_bit_errors;
float d_snr_est;
float d_squelch_thresh;
bool d_squelch_en;
int d_speech_samples;
int d_max_modem_samples;
#ifdef FREEDV_MODE_700D
struct freedv_advanced d_adv;
#endif
public:
freedv_rx_ss_impl(int mode, float squelch_thresh, int interleave_frames);
~freedv_rx_ss_impl() override;
void set_squelch_thresh(float squelch_thresh) override;
float squelch_thresh() override;
void set_squelch_en(bool squelch_enabled) override;
// Where all the action really happens
void forecast(int noutput_items, gr_vector_int& ninput_items_required) override;
int general_work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} /* namespace vocoder */
} /* namespace gr */
#endif /* INCLUDED_VOCODER_FREEDV_RX_SS_IMPL_H */
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