Split FIG0 into several files

1 files changed, 136 insertions, 0 deletions

diff --git a/src/fig/FIG0_19.cpp b/src/fig/FIG0_19.cpp
new file mode 100644
index 0000000..8b9aca8
--- /dev/null
+++ b/src/fig/FIG0_19.cpp
@@ -0,0 +1,136 @@
+/*
+   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;
+    }
+}
+
+}