summaryrefslogtreecommitdiff
path: root/gr-atsc/include/gnuradio/atsc/randomizer.h
diff options
context:
space:
mode:
authorBen Reynwar <ben@reynwar.net>2013-05-19 02:55:33 -0700
committerBen Reynwar <ben@reynwar.net>2013-05-19 02:55:33 -0700
commitbb01988e75d50d82cbb44c1a49c86c1d08f05665 (patch)
tree0528dac14476d37f2cde7374a8fcb3428f879c69 /gr-atsc/include/gnuradio/atsc/randomizer.h
parente4f0319eced22c112f7e6a4cc45bc2036d285332 (diff)
parent0fa219774dcf9141ae91204f948c029b05673f3f (diff)
Merged in next_docs branch.
Diffstat (limited to 'gr-atsc/include/gnuradio/atsc/randomizer.h')
-rw-r--r--gr-atsc/include/gnuradio/atsc/randomizer.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/gr-atsc/include/gnuradio/atsc/randomizer.h b/gr-atsc/include/gnuradio/atsc/randomizer.h
new file mode 100644
index 0000000000..dfda95d032
--- /dev/null
+++ b/gr-atsc/include/gnuradio/atsc/randomizer.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 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 INCLUDED_ATSC_RANDOMIZER_H
+#define INCLUDED_ATSC_RANDOMIZER_H
+
+#include <gnuradio/atsc/api.h>
+#include <gnuradio/sync_block.h>
+#include <gnuradio/atsc/randomizer_impl.h>
+
+class atsc_randomizer;
+typedef boost::shared_ptr<atsc_randomizer> atsc_randomizer_sptr;
+
+ATSC_API atsc_randomizer_sptr atsc_make_randomizer();
+
+/*!
+ * \brief "Whiten" incoming mpeg transport stream packets
+ * \ingroup atsc
+ *
+ * input: atsc_mpeg_packet; output: atsc_mpeg_packet_no_sync
+ */
+class ATSC_API atsc_randomizer : public gr::sync_block
+{
+ friend ATSC_API atsc_randomizer_sptr atsc_make_randomizer();
+
+ atsci_randomizer d_rand;
+ bool d_field2; // user to init plinfo in output
+ int d_segno; // likewise
+
+ atsc_randomizer();
+
+public:
+ int work (int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+
+ void reset();
+};
+
+
+#endif /* INCLUDED_ATSC_RANDOMIZER_H */