3 * Copyright 2002,2006 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.
23 #include <atsc_types.h>
27 plinfo::delay (plinfo &out, const plinfo &in, int nsegs_of_delay)
29 assert (in.regular_seg_p ());
30 assert (nsegs_of_delay >= 0);
33 if (in.in_field2_p ())
34 s += ATSC_DSEGS_PER_FIELD;
38 s += 2 * ATSC_DSEGS_PER_FIELD;
40 assert (0 <= s && s < 2 * ATSC_DSEGS_PER_FIELD);
42 if (s < ATSC_DSEGS_PER_FIELD)
43 out.set_regular_seg (false, s); // field 1
45 out.set_regular_seg (true, s - ATSC_DSEGS_PER_FIELD); // field 2
49 plinfo::sanity_check (const plinfo &x)
51 // basic sanity checks...
52 assert (x.segno () >= 0);
53 assert (x.segno () < (unsigned) ATSC_DSEGS_PER_FIELD);
54 assert ((x.flags () & ~0x3f) == 0);
56 assert (x.regular_seg_p () ^ x.field_sync_p ());
57 assert ((x.segno () != 0) ^ x.first_regular_seg_p ());