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 3, 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., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
22 #ifndef INCLUDED_ATSC_VITERBI_DECODER_H
23 #define INCLUDED_ATSC_VITERBI_DECODER_H
25 #include <gr_sync_block.h>
26 #include <atsci_viterbi_decoder.h>
28 class atsc_viterbi_decoder;
29 typedef boost::shared_ptr<atsc_viterbi_decoder> atsc_viterbi_decoder_sptr;
31 atsc_viterbi_decoder_sptr atsc_make_viterbi_decoder();
34 * \brief ATSC 12-way interleaved viterbi decoder (atsc_soft_data_segment --> atsc_mpeg_packet_rs_encoded)
37 * input: atsc_soft_data_segment; output: atsc_mpeg_packet_rs_encoded
39 class atsc_viterbi_decoder : public gr_sync_block
41 friend atsc_viterbi_decoder_sptr atsc_make_viterbi_decoder();
43 atsci_viterbi_decoder d_viterbi_decoder;
45 atsc_viterbi_decoder();
48 int work (int noutput_items,
49 gr_vector_const_void_star &input_items,
50 gr_vector_void_star &output_items);
52 void reset() { /* nop */ }
60 #endif /* INCLUDED_ATSC_VITERBI_DECODER_H */