consts.h

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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 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 _ATSC_CONSTS_H_
#define _ATSC_CONSTS_H_

static const double ATSC_SYMBOL_RATE = 4.5e6 / 286 * 684;               // ~10.76 MHz
static const double ATSC_DATA_SEGMENT_RATE = ATSC_SYMBOL_RATE / 832;    // ~12.935 kHz


static const int ATSC_MPEG_DATA_LENGTH          = 187;
static const int ATSC_MPEG_PKT_LENGTH           = 188;  // sync + data
static const int ATSC_MPEG_RS_ENCODED_LENGTH    = 207;
static const int ATSC_DATA_SEGMENT_LENGTH       = 832;  // includes 4 sync symbols at beginning
static const int ATSC_DSEGS_PER_FIELD           = 312;  // regular data segs / field


static const int MPEG_SYNC_BYTE = 0x47;

static const int MPEG_TRANSPORT_ERROR_BIT       = 0x80; // top bit of byte after SYNC


#endif // _ATSC_CONSTS_H_