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atsc_consts.h
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/* -*- c++ -*- */
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/*
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* Copyright 2014 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_DTV_ATSC_CONSTS_H
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#define INCLUDED_DTV_ATSC_CONSTS_H
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#include <
gnuradio/dtv/api.h
>
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namespace
gr {
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namespace
dtv {
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// These will go into an mpeg_consts.h once other mod/demods are done
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static
const
int
ATSC_MPEG_DATA_LENGTH
= 187;
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static
const
int
ATSC_MPEG_PKT_LENGTH
= 188;
// sync + data
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static
const
int
ATSC_MPEG_RS_ENCODED_LENGTH
= 207;
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static
const
int
MPEG_SYNC_BYTE
= 0x47;
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static
const
int
MPEG_TRANSPORT_ERROR_BIT
= 0x80;
// top bit of byte after SYNC
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// ATSC specific constants
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static
const
double
ATSC_SYMBOL_RATE
= 4.5e6/286*684;
// ~10.76 MHz
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static
const
double
ATSC_DATA_SEGMENT_RATE
=
ATSC_SYMBOL_RATE
/832;
// ~12.935 kHz
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static
const
int
ATSC_DATA_SEGMENT_LENGTH
= 832;
// includes 4 sync symbols at beginning
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static
const
int
ATSC_DSEGS_PER_FIELD
= 312;
// regular data segs / field
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}
/* namespace dtv */
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}
/* namespace gr */
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#endif
/* INCLUDED_DTV_ATSC_CONSTS_H */
gr-dtv
include
gnuradio
dtv
atsc_consts.h
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