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., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
27 #include <atsc_trellis_encoder.h>
28 #include <gr_io_signature.h>
29 #include <atsc_consts.h>
32 atsc_trellis_encoder_sptr
33 atsc_make_trellis_encoder()
35 return atsc_trellis_encoder_sptr(new atsc_trellis_encoder());
38 atsc_trellis_encoder::atsc_trellis_encoder()
39 : gr_sync_block("atsc_trellis_encoder",
40 gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet_rs_encoded)),
41 gr_make_io_signature(1, 1, sizeof(atsc_data_segment)))
43 set_output_multiple(atsci_trellis_encoder::NCODERS);
48 atsc_trellis_encoder::work (int noutput_items,
49 gr_vector_const_void_star &input_items,
50 gr_vector_void_star &output_items)
52 const atsc_mpeg_packet_rs_encoded *in = (const atsc_mpeg_packet_rs_encoded *) input_items[0];
53 atsc_data_segment *out = (atsc_data_segment *) output_items[0];
55 for (int i = 0; i < atsci_trellis_encoder::NCODERS; i += atsci_trellis_encoder::NCODERS){
56 d_trellis_encoder.encode(&out[i], &in[i]);
58 return atsci_trellis_encoder::NCODERS;