1 files changed, 96 insertions, 0 deletions
diff --git a/src/fig/FIG.h b/src/fig/FIG.h
new file mode 100644
index 0000000..4e6c20f
--- /dev/null
+++ b/src/fig/FIG.h
@@ -0,0 +1,96 @@
+/*
+   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) 2015
+   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/>.
+*/
+
+#ifndef __FIG_H_
+#define __FIG_H_
+
+#include <boost/shared_ptr.hpp>
+#include "MuxElements.h"
+
+class FIGRuntimeInformation {
+    public:
+        FIGRuntimeInformation(boost::shared_ptr<dabEnsemble> e) :
+            currentFrame(0),
+            ensemble(e),
+            factumAnalyzer(false) {}
+
+        unsigned long currentFrame;
+        boost::shared_ptr<dabEnsemble> ensemble;
+        bool factumAnalyzer;
+};
+
+// Recommended FIG rates according to ETSI TR 101 496-2 Table 3.6.1
+enum class FIG_rate {
+    FIG0_0, /* Special repetition rate for FIG0/0, EN 300 401 Clause 6.4
+        In any 96 ms period, the FIG 0/0 should be transmitted in a fixed time
+        position. In transmission mode I, this should be the first FIB (of the three)
+        associated with the first CIF (of the four) in the transmission frame (see
+        clause 5.1). In transmission modes II and III, this should be the first FIB of
+        every fourth transmission frame. In transmission mode IV, this should be the
+        first FIB (of the three) associated with the first CIF (of the two) in every
+        alternate transmission frame (see clause 5.1). */
+    A, // at least 10 times per second
+    B, // once per second
+    C, // once every 10 seconds
+    D, // less than once every 10 seconds
+    E, // all in two minutes
+};
+
+/* Helper function to calculate the deadline for the next transmission, in milliseconds */
+inline int rate_increment_ms(FIG_rate rate)
+{
+    switch (rate) {
+        case FIG_rate::FIG0_0:    return 96;        // Is a special case
+        case FIG_rate::A:         return 100;
+        case FIG_rate::B:         return 1000;
+        case FIG_rate::C:         return 10000;
+        case FIG_rate::D:         return 30000;
+        case FIG_rate::E:         return 120000;
+    }
+    return 1000; //some default value, shouldn't be used
+}
+
+class IFIG
+{
+    public:
+        virtual size_t fill(uint8_t *buf, size_t max_size) = 0;
+
+        virtual FIG_rate repetition_rate(void) = 0;
+
+        virtual const int figtype(void) const = 0;
+        virtual const int figextension(void) const = 0;
+
+        virtual const std::string name(void) const
+        {
+            std::stringstream ss;
+            ss << figtype() << "/" << figextension();
+            return ss.str();
+        }
+
+};
+
+#endif // __FIG_H_
+