3 * Copyright 2002 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.
23 #include <atsci_data_interleaver.h>
26 atsci_data_interleaver::interleave (atsc_mpeg_packet_rs_encoded &out,
27 const atsc_mpeg_packet_rs_encoded &in)
29 assert (in.pli.regular_seg_p ());
30 plinfo::sanity_check (in.pli);
32 out.pli = in.pli; // copy pipeline info
33 if (in.pli.first_regular_seg_p ()) // reset commutator if required
36 transform (out.data, in.data, sizeof (in.data));
41 atsci_data_deinterleaver::deinterleave (atsc_mpeg_packet_rs_encoded &out,
42 const atsc_mpeg_packet_rs_encoded &in)
44 assert (in.pli.regular_seg_p ());
45 plinfo::sanity_check (in.pli);
47 // reset commutator if required using INPUT pipeline info
48 if (in.pli.first_regular_seg_p ())
51 // remap OUTPUT pipeline info to reflect 52 data segment end-to-end delay
53 plinfo::delay (out.pli, in.pli, 52);
55 // now do the actual deinterleaving
57 for (unsigned int i = 0; i < sizeof (in.data); i++){
58 out.data[i] = alignment_fifo.stuff (transform (in.data[i]));