Split FIG0 into several files

1 files changed, 113 insertions, 0 deletions

diff --git a/src/fig/FIG0_5.cpp b/src/fig/FIG0_5.cpp
new file mode 100644
index 0000000..8650d29
--- /dev/null
+++ b/src/fig/FIG0_5.cpp
@@ -0,0 +1,113 @@
+/*
+   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;
+}
+
+}