/* Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/) Copyright (C) 2018 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 . Authors: Sergio Sagliocco Matthias P. Braendli / | |- ')|) |-|_ _ (|,_ .| _ ,_ \ Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/ */ #include "figs.hpp" #include #include #include #include static std::unordered_set services_seen; bool fig0_25_is_complete(int services_id) { bool complete = services_seen.count(services_id); if (complete) { services_seen.clear(); } else { services_seen.insert(services_id); } return complete; } // FIG 0/25 fig0.oe() Announcement support // ETSI EN 300 401 8.1.10.5.1 fig_result_t fig0_25(fig0_common_t& fig0, const display_settings_t &disp) { uint32_t key; uint16_t SId, Asu_flags, EId; uint8_t i = 1, j, Rfu, Number_EIds; fig_result_t r; uint8_t* f = fig0.f; while (i < fig0.figlen - 4) { // iterate over other ensembles announcement support // SId, Asu flags, Rfu, Number of EIds SId = ((uint16_t)f[i] << 8) | (uint16_t)f[i+1]; r.complete |= fig0_25_is_complete(SId); Asu_flags = ((uint16_t)f[i+2] << 8) | (uint16_t)f[i+3]; Rfu = (f[i+4] >> 4); Number_EIds = (f[i+4] & 0x0F); r.msgs.emplace_back("-"); r.msgs.emplace_back(1, strprintf("SId=0x%X", SId)); r.msgs.emplace_back(1, strprintf("Asu flags=0x%X", Asu_flags)); r.msgs.emplace_back(1, strprintf("Number of EIds=%d", Number_EIds)); if (Rfu != 0) { r.errors.push_back(strprintf("Rfu=%d invalid value", Rfu)); } key = ((uint32_t)fig0.oe() << 17) | ((uint32_t)fig0.pd() << 16) | (uint32_t)SId; r.msgs.emplace_back(1, strprintf("database key=0x%05x", key)); // CEI Change Event Indication if (Number_EIds == 0) { r.msgs.emplace_back(1, "CEI=true"); } i += 5; std::stringstream eid_ss; for (j = 0; j < Number_EIds && i < fig0.figlen - 1; j++) { // iterate over EIds EId = ((uint16_t)f[i] << 8) | (uint16_t)f[i+1]; if (j > 0) { eid_ss << ", "; } eid_ss << strprintf("0x%04x", EId); i += 2; } r.msgs.emplace_back(1, "EIds: [" + eid_ss.str() + "]"); if (j < Number_EIds) { r.errors.push_back("missing EId, fig length too short !"); } r.msgs.emplace_back(1, "OE Announcement support:"); // decode OE announcement support types for (j = 0; j < 16; j++) { if (Asu_flags & (1 << j)) { r.msgs.emplace_back(2, strprintf("- %s", get_announcement_type(j))); } } } return r; }