Houston, we have a trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 42 insertions, 0 deletions

diff --git a/gr-atsc/src/lib/atsc_consts.h b/gr-atsc/src/lib/atsc_consts.h
new file mode 100644
index 000000000..197ec57b6
--- /dev/null
+++ b/gr-atsc/src/lib/atsc_consts.h
@@ -0,0 +1,42 @@
+/* -*- 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, 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_