Merge commit 'v3.3.0' into upstream

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

diff --git a/gr-atsc/src/lib/atsci_reed_solomon.h b/gr-atsc/src/lib/atsci_reed_solomon.h
new file mode 100644 (file)
index 0000000..c9cdca9
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+++ b/gr-atsc/src/lib/atsci_reed_solomon.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_REED_SOLOMON_H_
+#define _ATSC_REED_SOLOMON_H_
+
+#include <atsc_types.h>
+
+/*!
+ * \brief ATSC Reed-Solomon encoder / decoder
+ *
+ * The t=10 (207,187) code described in ATSC standard A/53B.
+ * See figure D5 on page 55.
+ */
+
+class atsci_reed_solomon {
+
+ public:
+  atsci_reed_solomon();
+  ~atsci_reed_solomon();
+
+  /*!
+   * \brief Add RS error correction encoding
+   */
+  void encode (atsc_mpeg_packet_rs_encoded &out, const atsc_mpeg_packet_no_sync &in);
+
+  /*!
+   * Decode RS encoded packet.
+   * \returns a count of corrected symbols, or -1 if the block was uncorrectible.
+   */
+  int decode (atsc_mpeg_packet_no_sync &out, const atsc_mpeg_packet_rs_encoded &in);
+
+ private:
+  void *d_rs;
+};
+
+#endif /* _ATSC_REED_SOLOMON_H_ */