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/* -*- c++ -*- */
/* Copyright 2012 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_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H
#define INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H
#include <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
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,
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);
};
} // namespace digital
} // namespace gr
#endif /* INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H */
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