Merge branch 'upstream' into dfsg-orig

[debian/gnuradio] / gr-atsc / src / lib / atsc_consts.h

diff --git a/gr-atsc/src/lib/atsc_consts.h b/gr-atsc/src/lib/atsc_consts.h
new file mode 100644 (file)
index 0000000..160ad76
--- /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 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_