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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 <set>
+
+/* EN 300 401, 8.1.20, User application information
+ * The combination of the SId and the SCIdS provides a service component
+ * identifier which is valid globally.
+ */
+using SId_t = int;
+using SCIdS_t = int;
+static std::set<std::pair<SId_t, SCIdS_t> > components_ids_seen;
+
+bool fig0_13_is_complete(SId_t SId, SCIdS_t SCIdS)
+{
+ auto key = std::make_pair(SId, SCIdS);
+ bool complete = components_ids_seen.count(key);
+
+ if (complete) {
+ components_ids_seen.clear();
+ }
+ else {
+ components_ids_seen.insert(key);
+ }
+
+ return complete;
+}
+
+
+std::string get_fig_0_13_userapp(int user_app_type)
+{
+ switch (user_app_type) {
+ case 0x000: return "Reserved for future definition";
+ case 0x001: return "Not used";
+ case 0x002: return "MOT Slideshow";
+ case 0x003: return "MOT Broadacst Web Site";
+ case 0x004: return "TPEG";
+ case 0x005: return "DGPS";
+ case 0x006: return "TMC";
+ case 0x007: return "EPG";
+ case 0x008: return "DAB Java";
+ case 0x44a: return "Journaline";
+ default: return "Reserved for future applications";
+ }
+}
+
+// FIG 0/13 User application information
+// ETSI EN 300 401 8.1.20
+bool fig0_13(fig0_common_t& fig0, int indent)
+{
+ uint32_t SId;
+ uint8_t SCIdS;
+ uint8_t No;
+ uint8_t* f = fig0.f;
+ const int figtype = 0;
+ char desc[256];
+ bool complete = false;
+
+ int k = 1;
+
+ if (fig0.pd() == 0) { // Programme services, 16 bit SId
+ SId = (f[k] << 8) |
+ f[k+1];
+ k+=2;
+
+ SCIdS = f[k] >> 4;
+ No = f[k] & 0x0F;
+ k++;
+ }
+ else { // Data services, 32 bit SId
+ SId = (f[k] << 24) |
+ (f[k+1] << 16) |
+ (f[k+2] << 8) |
+ f[k+3];
+ k+=4;
+
+ SCIdS = f[k] >> 4;
+ No = f[k] & 0x0F;
+ k++;
+
+ }
+
+ complete |= fig0_13_is_complete(SId, SCIdS);
+
+ sprintf(desc, "FIG %d/%d: SId=0x%X SCIdS=%u No=%u",
+ figtype, fig0.ext(), SId, SCIdS, No);
+ printbuf(desc, indent+1, NULL, 0);
+
+ for (int numapp = 0; numapp < No; numapp++) {
+ uint16_t user_app_type = ((f[k] << 8) |
+ (f[k+1] & 0xE0)) >> 5;
+ uint8_t user_app_len = f[k+1] & 0x1F;
+ k+=2;
+
+ sprintf(desc, "User Application %d '%s'; length %u",
+ user_app_type,
+ get_fig_0_13_userapp(user_app_type).c_str(),
+ user_app_len);
+ printbuf(desc, indent+2, NULL, 0);
+ }
+
+ return complete;
+}
+