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/*
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 <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
fig_result_t fig0_24(fig0_common_t& fig0, const display_settings_t &disp)
{
uint64_t key;
uint32_t SId;
uint16_t EId;
uint8_t i = 1, j, Number_of_EIds, CAId;
fig_result_t r;
uint8_t* f = fig0.f;
bool Rfa;
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;
}
r.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;
r.msgs.emplace_back("-");
r.msgs.emplace_back(1, strprintf("PD=%d", fig0.pd()));
r.msgs.emplace_back(1, strprintf("SId=0x%X", SId));
r.msgs.emplace_back(1, strprintf("CAId=%d", CAId));
r.msgs.emplace_back(1, strprintf("Number of EId=%d", Number_of_EIds));
r.msgs.emplace_back(1, strprintf("database key=%09" PRId64, key));
if (Rfa != 0) {
r.errors.push_back(strprintf("Rfa=%d invalid value", Rfa));
}
// CEI Change Event Indication
if (Number_of_EIds == 0) {
r.msgs.emplace_back("CEI=true");
}
i++;
std::stringstream eid_ss;
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];
if (j > i) {
eid_ss << ", ";
}
eid_ss << strprintf("0x%04x", EId);
}
r.msgs.emplace_back(1, "EIds: [" + eid_ss.str() + "]");
i += (Number_of_EIds * 2);
}
return r;
}
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