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/* -*- c++ -*- */
/* Copyright 2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H
#define INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H
#include <gnuradio/digital/ofdm_serializer_vcc.h>
namespace gr {
namespace digital {
class ofdm_serializer_vcc_impl : public ofdm_serializer_vcc
{
private:
int d_fft_len; //!< FFT length
std::vector<std::vector<int>>
d_occupied_carriers; //!< Which carriers/symbols carry data
pmt::pmt_t d_packet_len_tag_key; //!< Key of the length tag
pmt::pmt_t d_out_len_tag_key; //!< Key of the length tag
const int d_symbols_skipped; //!< Start position in d_occupied_carriers
pmt::pmt_t d_carr_offset_key; //!< Key of the carrier offset tag
int d_curr_set; //!< Current position in d_occupied_carriers
int d_symbols_per_set;
protected:
/*!
* Calculate the number of scalar complex symbols given a number of
* OFDM symbols.
*/
int calculate_output_stream_length(const gr_vector_int& ninput_items);
void update_length_tags(int n_produced, int n_ports);
public:
ofdm_serializer_vcc_impl(int fft_len,
const std::vector<std::vector<int>>& occupied_carriers,
const std::string& len_tag_key,
const std::string& packet_len_tag_key,
int symbols_skipped,
const std::string& carr_offset_key,
bool input_is_shifted);
~ofdm_serializer_vcc_impl();
int work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} // namespace digital
} // namespace gr
#endif /* INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H */
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