3 * Copyright 2006 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
22 #ifndef INCLUDED_ATSC_RANDOMIZER_H
23 #define INCLUDED_ATSC_RANDOMIZER_H
25 #include <gr_sync_block.h>
26 #include <atsci_randomizer.h>
28 class atsc_randomizer;
29 typedef boost::shared_ptr<atsc_randomizer> atsc_randomizer_sptr;
31 atsc_randomizer_sptr atsc_make_randomizer();
34 * \brief "Whiten" incoming mpeg transport stream packets
37 * input: atsc_mpeg_packet; output: atsc_mpeg_packet_no_sync
39 class atsc_randomizer : public gr_sync_block
41 friend atsc_randomizer_sptr atsc_make_randomizer();
43 atsci_randomizer d_rand;
44 bool d_field2; // user to init plinfo in output
45 int d_segno; // likewise
50 int work (int noutput_items,
51 gr_vector_const_void_star &input_items,
52 gr_vector_void_star &output_items);
58 #endif /* INCLUDED_ATSC_RANDOMIZER_H */