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/*
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
the Queen in Right of Canada (Communications Research Center Canada)
Copyright (C) 2016
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
ODR-DabMod 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 of the
License, or (at your option) any later version.
ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "PuncturingRule.h"
#include "ModPlugin.h"
#include <vector>
#include <string>
#include <sys/types.h>
#include <boost/optional.hpp>
class PuncturingEncoder : public ModCodec
{
public:
/* Initialise a puncturer that does not check if the
* outgoing data requires padding. To be used for the
* FIC. The size of the output buffer is derived from
* the puncturing rules only
*/
PuncturingEncoder(void);
/* Initialise a puncturer that checks if there is up to
* one byte padding needed in the output buffer. See
* EN 300 401 Table 31 in 11.3.1 UEP coding. Up to one
* byte of padding is added
*/
PuncturingEncoder(size_t num_cu);
void append_rule(const PuncturingRule& rule);
void append_tail_rule(const PuncturingRule& rule);
int process(Buffer* const dataIn, Buffer* dataOut);
const char* name() { return "PuncturingEncoder"; }
size_t getInputSize() { return d_in_block_size; }
size_t getOutputSize() { return d_out_block_size; }
private:
size_t d_num_cu;
size_t d_in_block_size;
size_t d_out_block_size;
std::vector<PuncturingRule> d_rules;
boost::optional<PuncturingRule> d_tail_rule;
void adjust_item_size();
};
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