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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>
// FIG 0/3 Service component in packet mode with or without Conditional Access
// ETSI EN 300 401 6.3.2
void fig0_3(fig0_common_t& fig0, int indent)
{
uint16_t SCId, Packet_address, CAOrg;
uint8_t i = 1, Rfa, DSCTy, SubChId, CAMode, SharedFlag;
char tmpbuf[256];
char desc[256];
bool CAOrg_flag, DG_flag, Rfu;
uint8_t* f = fig0.f;
while (i < (fig0.figlen - 4)) {
// iterate over service component in packet mode
SCId = ((uint16_t)f[i] << 4) | ((uint16_t)(f[i+1] >> 4) & 0x0F);
Rfa = (f[i+1] >> 1) & 0x07;
CAOrg_flag = f[i+1] & 0x01;
DG_flag = (f[i+2] >> 7) & 0x01;
Rfu = (f[i+2] >> 6) & 0x01;
DSCTy = f[i+2] & 0x3F;
SubChId = (f[i+3] >> 2);
Packet_address = ((uint16_t)(f[i+3] & 0x03) << 8) | ((uint16_t)f[i+4]);
sprintf(desc,
"SCId=0x%X, CAOrg flag=%d CAOrg field %s, DG flag=%d"
" data groups are %sused to transport the service component,"
" DSCTy=%d %s, SubChId=0x%X, Packet address=0x%X",
SCId, CAOrg_flag, CAOrg_flag?"present":"absent", DG_flag,
DG_flag ? "not ": "",
DSCTy, get_dscty_type(DSCTy), SubChId,
Packet_address);
if (Rfa != 0) {
sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa);
strcat(desc, tmpbuf);
}
if (Rfu != 0) {
sprintf(tmpbuf, ", Rfu=%d invalid value", Rfu);
strcat(desc, tmpbuf);
}
i += 5;
if (CAOrg_flag) {
if (i < (fig0.figlen - 1)) {
CAOrg = ((uint16_t)f[i] << 8) | ((uint16_t)f[i+1]);
CAMode = (f[i] >> 5);
SharedFlag = f[i+1];
sprintf(tmpbuf, ", CAOrg=0x%X CAMode=%d \"%s\" SharedFlag=0x%X%s",
CAOrg, CAMode, get_ca_mode(CAMode), SharedFlag, (SharedFlag == 0) ? " invalid" : "");
strcat(desc, tmpbuf);
}
else {
sprintf(tmpbuf, ", invalid figlen");
strcat(desc, tmpbuf);
}
i += 2;
}
printbuf(desc, indent+1, NULL, 0);
}
}
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