3 * Copyright 2009 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 along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include <missing_pkt_checker.h>
28 missing_pkt_checker::check(const vrt::expanded_header *hdr)
30 // FIXME assumes we're inspecting only a single stream
33 int actual = hdr->pkt_cnt();
34 int expected = (d_last_pkt_cnt + 1) & 0xf;
35 if (actual != expected && !d_resync){
37 if (actual > expected)
38 nmissing = actual - expected;
40 nmissing = actual + 16 - expected;
41 d_nmissing_pkt_est += nmissing;
43 d_last_pkt_cnt = actual;