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/* -*- c++ -*- */
/*
* Copyright 2015 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.
*/
#include "ldpc_encoder_impl.h"
#include <boost/assign/list_of.hpp>
#include <volk/volk.h>
#include <sstream>
#include <stdio.h>
#include <algorithm> // for std::reverse
#include <string.h> // for memcpy
namespace gr {
namespace fec {
generic_encoder::sptr ldpc_encoder::make(std::string alist_file)
{
return generic_encoder::sptr(new ldpc_encoder_impl(alist_file));
}
ldpc_encoder_impl::ldpc_encoder_impl(std::string alist_file)
{
if (!boost::filesystem::exists(alist_file)) {
throw std::runtime_error("Bad AList file name!");
}
d_list.read(alist_file.c_str());
d_code.set_alist(d_list);
inputSize = d_code.dimension();
outputSize = d_code.get_N();
// printf("ENCODER: inputSize = %d, outputSize = %d\n",inputSize, outputSize);
}
int ldpc_encoder_impl::get_output_size() { return outputSize; }
int ldpc_encoder_impl::get_input_size() { return inputSize; }
void ldpc_encoder_impl::generic_work(void* inBuffer, void* outBuffer)
{
const unsigned char* in = (const unsigned char*)inBuffer;
unsigned char* out = (unsigned char*)outBuffer;
std::vector<char> inbuf(inputSize);
memcpy(&inbuf[0], in, inputSize);
std::vector<char> coded(d_code.encode(inbuf));
memcpy(&out[0], &coded[0], coded.size());
}
ldpc_encoder_impl::~ldpc_encoder_impl() {}
} // namespace fec
} // namespace gr
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