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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 <string>
#include <cstring>
using namespace std;
static ensemble_database::charset_e charset_to_charset(uint8_t charset)
{
using ensemble_database::charset_e;
if (charset == (uint8_t)charset_e::COMPLETE_EBU_LATIN) {
return charset_e::COMPLETE_EBU_LATIN;
}
else if (charset == (uint8_t)charset_e::UTF8) {
return charset_e::UTF8;
}
else if (charset == (uint8_t)charset_e::UCS2) {
return charset_e::UCS2;
}
else {
throw runtime_error("unsupported charset" + to_string(charset));
}
}
// SHORT LABELS
fig_result_t fig1_select(fig1_common_t& fig1, const display_settings_t &disp)
{
vector<uint8_t> label(16);
fig_result_t r;
uint8_t *f = fig1.f;
uint8_t charset = (f[0] & 0xF0) >> 4;
//oe = (f[0] & 0x08) >> 3;
uint16_t ext = f[0] & 0x07;
r.msgs.push_back(strprintf("Charset=%d", charset));
memcpy(label.data(), f+fig1.figlen-18, 16);
uint16_t flag = read_u16_from_buf(f + (fig1.figlen-2));
switch (ext) {
case 0: // FIG 1/0 Ensemble label
{ // ETSI EN 300 401 8.1.13
uint16_t eid = read_u16_from_buf(f + 1);
r.msgs.push_back(strprintf("Ensemble ID=0x%04X", eid));
if (fig1.fibcrccorrect) {
fig1.ensemble.EId = eid;
fig1.ensemble.label.label_bytes = label;
fig1.ensemble.label.shortlabel_flag = flag;
fig1.ensemble.label.charset = charset_to_charset(charset);
r.msgs.push_back(strprintf("Label=\"%s\"", fig1.ensemble.label.label().c_str()));
r.msgs.push_back(strprintf("Short label mask=0x%04X", flag));
r.msgs.push_back(strprintf("Short label=%s", fig1.ensemble.label.shortlabel().c_str()));
}
}
break;
case 1: // FIG 1/1 Programme service label
{ // ETSI EN 300 401 8.1.14.1
uint16_t sid = read_u16_from_buf(f + 1);
if (fig1.fibcrccorrect) {
try {
auto& service = fig1.ensemble.get_service(sid);
service.label.label_bytes = label;
service.label.shortlabel_flag = flag;
service.label.charset = charset_to_charset(charset);
r.msgs.push_back(strprintf("Service ID=0x%04X", sid));
r.msgs.push_back(strprintf("Label=\"%s\"", service.label.label().c_str()));
r.msgs.push_back(strprintf("Short label mask=0x%04X", flag));
r.msgs.push_back(strprintf("Short label=%s", service.label.shortlabel().c_str()));
}
catch (ensemble_database::not_found &e) {
r.errors.push_back("Not yet in DB");
}
}
}
break;
case 4: // FIG 1/4 Service component label
{ // ETSI EN 300 401 8.1.14.3
uint32_t sid;
uint8_t pd, SCIdS;
pd = (f[1] & 0x80) >> 7;
SCIdS = f[1] & 0x0F;
if (pd == 0) {
sid = read_u16_from_buf(f + 2);
}
else {
sid = read_u32_from_buf(f + 2);
}
r.msgs.push_back(strprintf("Service ID=0x%04X", sid));
r.msgs.push_back(strprintf("Service Component ID=0x%04X", SCIdS));
// TODO put label into ensembledatabase
r.msgs.push_back(strprintf("Label bytes=\"%s\"", string(label.begin(), label.end()).c_str()));
r.msgs.push_back(strprintf("Short label mask=0x%04X", flag));
}
break;
case 5: // FIG 1/5 Data service label
{ // ETSI EN 300 401 8.1.14.2
uint32_t sid;
sid = read_u32_from_buf(f + 1);
r.msgs.push_back(strprintf("Service ID=0x%04X", sid));
// TODO put label into ensembledatabase
r.msgs.push_back(strprintf("Label bytes=\"%s\"", string(label.begin(), label.end()).c_str()));
r.msgs.push_back(strprintf("Short label mask=0x%04X", flag));
}
break;
case 6: // FIG 1/6 X-PAD user application label
{ // ETSI EN 300 401 8.1.14.4
uint32_t sid;
uint8_t pd, SCIdS, xpadapp;
string xpadappdesc;
pd = (f[1] & 0x80) >> 7;
SCIdS = f[1] & 0x0F;
if (pd == 0) {
sid = read_u16_from_buf(f + 2);
xpadapp = f[4] & 0x1F;
}
else {
sid = read_u32_from_buf(f + 2);
xpadapp = f[6] & 0x1F;
}
if (xpadapp == 2) {
xpadappdesc = "DLS";
}
else if (xpadapp == 12) {
xpadappdesc = "MOT";
}
else {
xpadappdesc = "?";
}
r.msgs.push_back(strprintf("Service ID=0x%04X", sid));
r.msgs.push_back(strprintf("Service Component ID=0x%04X", SCIdS));
r.msgs.push_back(strprintf("X-PAD App=%02X (", xpadapp) + xpadappdesc + ")");
// TODO put label into ensembledatabase
r.msgs.push_back(strprintf("Label bytes=\"%s\"", string(label.begin(), label.end()).c_str()));
r.msgs.push_back(strprintf("Short label mask=0x%04X", flag));
}
break;
}
// FIG1s always contain a complete set of information
r.complete = true;
return r;
}
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