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+/*
+ Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
+ Copyright (C) 2016 Matthias P. Braendli (http://www.opendigitalradio.org)
+ Copyright (C) 2015 Data Path
+
+ This program 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.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+ Authors:
+ Sergio Sagliocco <sergio.sagliocco@csp.it>
+ Matthias P. Braendli <matthias@mpb.li>
+ / | |- ')|) |-|_ _ (|,_ .| _ ,_ \
+ Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
+
+*/
+
+#include "figs.hpp"
+#include <cstdio>
+#include <cstring>
+#include <map>
+#include <unordered_set>
+
+static std::unordered_set<int> subch_ids_seen;
+
+bool fig0_14_is_complete(int subch_id)
+{
+ bool complete = subch_ids_seen.count(subch_id);
+
+ if (complete) {
+ subch_ids_seen.clear();
+ }
+ else {
+ subch_ids_seen.insert(subch_id);
+ }
+
+ return complete;
+}
+
+
+// fig 0/14 FEC Scheme: this 2-bit field shall indicate the Forward Error Correction scheme in use, as follows:
+const char *FEC_schemes_str[4] = {
+ "no FEC scheme applied",
+ "FEC scheme applied according to ETSI EN 300 401 clause 5.3.5",
+ "reserved for future definition",
+ "reserved for future definition"
+};
+
+
+// FIG 0/14 FEC sub-channel organization
+// ETSI EN 300 401 6.2.2
+bool fig0_14(fig0_common_t& fig0, int indent)
+{
+ uint8_t i = 1, SubChId, FEC_scheme;
+ uint8_t* f = fig0.f;
+ char desc[256];
+ bool complete = false;
+
+ while (i < fig0.figlen) {
+ // iterate over Sub-channel
+ SubChId = f[i] >> 2;
+ complete |= fig0_14_is_complete(SubChId);
+ FEC_scheme = f[i] & 0x3;
+ sprintf(desc, "SubChId=0x%X, FEC scheme=%d %s",
+ SubChId, FEC_scheme, FEC_schemes_str[FEC_scheme]);
+ printbuf(desc, indent+1, NULL, 0);
+ i++;
+ }
+
+ return complete;
+}
+