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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-09-02 17:43:32 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-09-07 21:20:24 +0200
commit4809f3c042a99a639542b1e6cd22657871113260 (patch)
treedc0ec0f256eaceb79d63daa09591d4a6ef08cb73 /fig0_25.cpp
parent5542c8ecff635f9abc05b6b2ff255db02c2c9c46 (diff)
downloadetisnoop-4809f3c042a99a639542b1e6cd22657871113260.tar.gz
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Move all sources to src/
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-rw-r--r--fig0_25.cpp112
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diff --git a/fig0_25.cpp b/fig0_25.cpp
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-/*
- Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
- Copyright (C) 2016 Matthias P. Braendli (http://www.opendigitalradio.org)
- Copyright (C) 2015 Data Path
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- Authors:
- Sergio Sagliocco <sergio.sagliocco@csp.it>
- Matthias P. Braendli <matthias@mpb.li>
- / | |- ')|) |-|_ _ (|,_ .| _ ,_ \
- Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
-
-*/
-
-#include "figs.hpp"
-#include <cstdio>
-#include <cstring>
-#include <map>
-#include <unordered_set>
-
-static std::unordered_set<int> services_seen;
-
-bool fig0_25_is_complete(int services_id)
-{
- bool complete = services_seen.count(services_id);
-
- if (complete) {
- services_seen.clear();
- }
- else {
- services_seen.insert(services_id);
- }
-
- return complete;
-}
-
-
-// FIG 0/25 fig0.oe() Announcement support
-// ETSI EN 300 401 8.1.10.5.1
-bool fig0_25(fig0_common_t& fig0, int indent)
-{
- uint32_t key;
- uint16_t SId, Asu_flags, EId;
- uint8_t i = 1, j, Rfu, Number_EIds;
- char tmpbuf[256];
- char desc[256];
- uint8_t* f = fig0.f;
- bool complete = false;
-
- while (i < (fig0.figlen - 4)) {
- // iterate over other ensembles announcement support
- // SId, Asu flags, Rfu, Number of EIds
- SId = ((uint16_t)f[i] << 8) | (uint16_t)f[i+1];
- complete |= fig0_25_is_complete(SId);
- Asu_flags = ((uint16_t)f[i+2] << 8) | (uint16_t)f[i+3];
- Rfu = (f[i+4] >> 4);
- Number_EIds = (f[i+4] & 0x0F);
- sprintf(desc, "SId=0x%X, Asu flags=0x%X", SId, Asu_flags);
- if (Rfu != 0) {
- sprintf(tmpbuf, ", Rfu=%d invalid value", Rfu);
- strcat(desc, tmpbuf);
- }
- sprintf(tmpbuf, ", Number of EIds=%d", Number_EIds);
- strcat(desc, tmpbuf);
- key = ((uint32_t)fig0.oe() << 17) | ((uint32_t)fig0.pd() << 16) | (uint32_t)SId;
- sprintf(tmpbuf, ", database key=0x%05x", key);
- strcat(desc, tmpbuf);
- // CEI Change Event Indication
- if (Number_EIds == 0) {
- sprintf(tmpbuf, ", CEI");
- strcat(desc, tmpbuf);
- }
- printbuf(desc, indent+1, NULL, 0);
- i += 5;
-
- for(j = 0; (j < Number_EIds) && (i < (fig0.figlen - 1)); j++) {
- // iterate over EIds
- EId = ((uint16_t)f[i] << 8) | (uint16_t)f[i+1];
- sprintf(desc, "EId=0x%X", EId);
- printbuf(desc, indent+2, NULL, 0);
- i += 2;
- }
- if (j < Number_EIds) {
- sprintf(desc, "missing EId, fig length too short !");
- printbuf(desc, indent+1, NULL, 0);
- fprintf(stderr, "WARNING: FIG 0/%d length %d too short !\n", fig0.ext(), fig0.figlen);
- }
-
- // decode fig0.oe() announcement support types
- for(j = 0; j < 16; j++) {
- if (Asu_flags & (1 << j)) {
- sprintf(desc, "fig0.oe() Announcement support=%s", get_announcement_type(j));
- printbuf(desc, indent+2, NULL, 0);
- }
- }
- }
-
- return complete;
-}
-