1 files changed, 106 insertions, 0 deletions
diff --git a/src/fig/FIG0_18.cpp b/src/fig/FIG0_18.cpp
new file mode 100644
index 0000000..9edc3d5
--- /dev/null
+++ b/src/fig/FIG0_18.cpp
@@ -0,0 +1,106 @@
+/*
+   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_18.h"
+#include "utils.h"
+
+namespace FIC {
+
+FIG0_18::FIG0_18(FIGRuntimeInformation *rti) :
+    m_rti(rti),
+    m_initialised(false)
+{
+}
+
+FillStatus FIG0_18::fill(uint8_t *buf, size_t max_size)
+{
+    FillStatus fs;
+    ssize_t remaining = max_size;
+
+    if (not m_initialised) {
+        service = m_rti->ensemble->services.end();
+        m_initialised = true;
+    }
+
+    auto ensemble = m_rti->ensemble;
+
+    FIGtype0* fig0 = NULL;
+
+    for (; service != ensemble->services.end();
+            ++service) {
+
+        if ( (*service)->ASu == 0 ) {
+            continue;
+        }
+
+        const ssize_t numclusters = (*service)->clusters.size();
+
+        const int required_size = 5 + numclusters;
+
+
+        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 = 18;
+            buf += 2;
+            remaining -= 2;
+        }
+        else if (remaining < required_size) {
+            break;
+        }
+
+        auto programme = (FIGtype0_18*)buf;
+        programme->SId = htons((*service)->id);
+        programme->ASu = htons((*service)->ASu);
+        programme->Rfa = 0;
+        programme->NumClusters = numclusters;
+        buf += 5;
+
+        for (uint8_t cluster : (*service)->clusters) {
+            *(buf++) = cluster;
+        }
+
+        fig0->Length += 5 + numclusters;
+        remaining -= 5 + numclusters;
+    }
+
+    if (service == ensemble->services.end()) {
+        service = ensemble->services.begin();
+        fs.complete_fig_transmitted = true;
+    }
+
+    fs.num_bytes_written = max_size - remaining;
+    return fs;
+}
+
+}