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Diffstat (limited to 'src/fig0_24.cpp')
| -rw-r--r-- | src/fig0_24.cpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/fig0_24.cpp b/src/fig0_24.cpp new file mode 100644 index 0000000..7867d9e --- /dev/null +++ b/src/fig0_24.cpp @@ -0,0 +1,109 @@ +/* + 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> services_seen; + +bool fig0_24_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 0/24 fig0.oe() Services +// ETSI EN 300 401 8.1.10.2 +bool fig0_24(fig0_common_t& fig0, int indent) +{ + uint64_t key; + uint32_t SId; + uint16_t EId; + uint8_t i = 1, j, Number_of_EIds, CAId; + char tmpbuf[256]; + char desc[256]; + uint8_t* f = fig0.f; + bool Rfa; + bool complete = false; + + while (i < (fig0.figlen - (((uint8_t)fig0.pd() + 1) * 2))) { + // iterate over other ensembles services + if (fig0.pd() == 0) { + SId = ((uint32_t)f[i] << 8) | (uint32_t)f[i+1]; + i += 2; + } + else { // fig0.pd() == 1 + SId = ((uint32_t)f[i] << 24) | ((uint32_t)f[i+1] << 16) | + ((uint32_t)f[i+2] << 8) | (uint32_t)f[i+3]; + i += 4; + } + complete |= fig0_24_is_complete(SId); + Rfa = (f[i] >> 7); + CAId = (f[i] >> 4); + Number_of_EIds = (f[i] & 0x0f); + key = ((uint64_t)fig0.oe() << 33) | ((uint64_t)fig0.pd() << 32) | \ + (uint64_t)SId; + if (fig0.pd() == 0) { + sprintf(desc, "SId=0x%X, CAId=%d, Number of EId=%d, database key=%09" PRId64, SId, CAId, Number_of_EIds, key); + } + else { // fig0.pd() == 1 + sprintf(desc, "SId=0x%X, CAId=%d, Number of EId=%d, database key=%09" PRId64, SId, CAId, Number_of_EIds, key); + } + if (Rfa != 0) { + sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa); + strcat(desc, tmpbuf); + } + // CEI Change Event Indication + if (Number_of_EIds == 0) { + sprintf(tmpbuf, ", CEI"); + strcat(desc, tmpbuf); + } + printbuf(desc, indent+1, NULL, 0); + i++; + + for(j = i; ((j < (i + (Number_of_EIds * 2))) && (j < fig0.figlen)); j += 2) { + // iterate over EIds + EId = ((uint16_t)f[j] <<8) | (uint16_t)f[j+1]; + sprintf(desc, "EId 0x%04x", EId); + printbuf(desc, indent+2, NULL, 0); + } + i += (Number_of_EIds * 2); + } + + return complete; +} + |