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/* -*- c++ -*- */
/*
* Copyright 2002 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 2, 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 _ATSC_REED_SOLOMON_H_
#define _ATSC_REED_SOLOMON_H_
#include <atsc_types.h>
/*!
* \brief ATSC Reed-Solomon encoder / decoder
*
* The t=10 (207,187) code described in ATSC standard A/53B.
* See figure D5 on page 55.
*/
class atsci_reed_solomon {
public:
atsci_reed_solomon();
~atsci_reed_solomon();
/*!
* \brief Add RS error correction encoding
*/
void encode (atsc_mpeg_packet_rs_encoded &out, const atsc_mpeg_packet_no_sync &in);
/*!
* Decode RS encoded packet.
* \returns a count of corrected symbols, or -1 if the block was uncorrectible.
*/
int decode (atsc_mpeg_packet_no_sync &out, const atsc_mpeg_packet_rs_encoded &in);
private:
void *d_rs;
};
#endif /* _ATSC_REED_SOLOMON_H_ */
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