/* -*- 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_