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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-10-02 14:40:19 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-10-02 14:40:19 +0200
commitc21a6828183cdcc08533a83530156e5758aca534 (patch)
tree47a5fab506ad522bb78b50ad87c2ee45179d87cd /src/fig/FIG0_19.cpp
parentb78139a2fe6ee76bcb85b240733bf803c5430286 (diff)
parent369874e1c38680d27f187aa0297b0ce00b3f9fa0 (diff)
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Merge branch 'next' into servicelinking
And move FIG0/6 to new files
Diffstat (limited to 'src/fig/FIG0_19.cpp')
-rw-r--r--src/fig/FIG0_19.cpp136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/fig/FIG0_19.cpp b/src/fig/FIG0_19.cpp
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+/*
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ 2011, 2012 Her Majesty the Queen in Right of Canada (Communications
+ Research Center Canada)
+
+ Copyright (C) 2016
+ Matthias P. Braendli, matthias.braendli@mpb.li
+ */
+/*
+ This file is part of ODR-DabMux.
+
+ ODR-DabMux 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.
+
+ ODR-DabMux 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 ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "fig/FIG0_19.h"
+#include "utils.h"
+
+namespace FIC {
+
+FIG0_19::FIG0_19(FIGRuntimeInformation *rti) :
+ m_rti(rti)
+{ }
+
+FillStatus FIG0_19::fill(uint8_t *buf, size_t max_size)
+{
+ using namespace std;
+
+ auto ensemble = m_rti->ensemble;
+
+ // We are called every 24ms, and must timeout after 2s
+ const int timeout = 2000/24;
+
+ m_transition.update_state(timeout, ensemble->clusters);
+
+ FillStatus fs;
+ ssize_t remaining = max_size;
+
+ FIGtype0* fig0 = NULL;
+
+ // Combine all clusters into one list
+ set<AnnouncementCluster*> allclusters;
+ for (const auto& cluster : m_transition.new_entries) {
+ allclusters.insert(cluster.first.get());
+ }
+ for (const auto& cluster : m_transition.repeated_entries) {
+ allclusters.insert(cluster.get());
+ }
+ for (const auto& cluster : m_transition.disabled_entries) {
+ allclusters.insert(cluster.first.get());
+ }
+
+ const int length_0_19 = 4;
+ fs.complete_fig_transmitted = true;
+ for (auto& cluster : allclusters) {
+
+ if (fig0 == NULL) {
+ if (remaining < 2 + length_0_19) {
+ fs.complete_fig_transmitted = false;
+ break;
+ }
+
+ fig0 = (FIGtype0*)buf;
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 0;
+ fig0->Extension = 19;
+ buf += 2;
+ remaining -= 2;
+ }
+ else if (remaining < length_0_19) {
+ fs.complete_fig_transmitted = false;
+ break;
+ }
+
+
+ auto fig0_19 = (FIGtype0_19*)buf;
+ fig0_19->ClusterId = cluster->cluster_id;
+ if (cluster->is_active()) {
+ fig0_19->ASw = htons(cluster->flags);
+ }
+ else {
+ fig0_19->ASw = 0;
+ }
+ fig0_19->NewFlag = 1;
+ fig0_19->RegionFlag = 0;
+ fig0_19->SubChId = 0;
+ bool found = false;
+
+ for (const auto& subchannel : ensemble->subchannels) {
+ if (subchannel->uid == cluster->subchanneluid) {
+ fig0_19->SubChId = subchannel->id;
+ found = true;
+ break;
+ }
+ }
+ if (not found) {
+ etiLog.level(warn) << "FIG0/19: could not find subchannel " <<
+ cluster->subchanneluid << " for cluster " <<
+ (int)cluster->cluster_id;
+ continue;
+ }
+
+ fig0->Length += length_0_19;
+ buf += length_0_19;
+ remaining -= length_0_19;
+ }
+
+ fs.num_bytes_written = max_size - remaining;
+ return fs;
+}
+
+FIG_rate FIG0_19::repetition_rate(void)
+{
+ if ( m_transition.new_entries.size() > 0 or
+ m_transition.disabled_entries.size() ) {
+ return FIG_rate::A_B;
+ }
+ else {
+ return FIG_rate::B;
+ }
+}
+
+}