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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_5.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_5.cpp')
-rw-r--r--src/fig/FIG0_5.cpp113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/fig/FIG0_5.cpp b/src/fig/FIG0_5.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_5.h"
+#include "utils.h"
+
+namespace FIC {
+
+FIG0_5::FIG0_5(FIGRuntimeInformation *rti) :
+ m_rti(rti),
+ m_initialised(false)
+{
+}
+
+FillStatus FIG0_5::fill(uint8_t *buf, size_t max_size)
+{
+ FillStatus fs;
+ ssize_t remaining = max_size;
+ auto ensemble = m_rti->ensemble;
+
+ if (not m_initialised) {
+ componentFIG0_5 = m_rti->ensemble->components.end();
+ m_initialised = true;
+ }
+
+ FIGtype0* fig0 = NULL;
+
+ for (; componentFIG0_5 != ensemble->components.end();
+ ++componentFIG0_5) {
+
+ auto service = getService(*componentFIG0_5,
+ ensemble->services);
+ auto subchannel = getSubchannel(ensemble->subchannels,
+ (*componentFIG0_5)->subchId);
+
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*componentFIG0_5)->subchId,
+ (*componentFIG0_5)->serviceId);
+ throw MuxInitException();
+ }
+
+ if ( (*service)->language == 0) {
+ continue;
+ }
+
+ const int required_size = 2;
+
+ if (fig0 == NULL) {
+ if (remaining < 2 + required_size) {
+ break;
+ }
+ fig0 = (FIGtype0*)buf;
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 0;
+ fig0->Extension = 5;
+
+ buf += 2;
+ remaining -= 2;
+ }
+ else if (remaining < required_size) {
+ break;
+ }
+
+ FIGtype0_5_short *fig0_5 = (FIGtype0_5_short*)buf;
+
+ fig0_5->LS = 0;
+ fig0_5->rfu = 0;
+ fig0_5->SubChId = (*subchannel)->id;
+ fig0_5->language = (*service)->language;
+
+ fig0->Length += 2;
+ buf += 2;
+ remaining -= 2;
+ }
+
+ if (componentFIG0_5 == ensemble->components.end()) {
+ componentFIG0_5 = ensemble->components.begin();
+ fs.complete_fig_transmitted = true;
+ }
+
+ fs.num_bytes_written = max_size - remaining;
+ return fs;
+}
+
+}