/* 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 . Authors: Sergio Sagliocco Matthias P. Braendli / | |- ')|) |-|_ _ (|,_ .| _ ,_ \ Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/ */ #include "figs.hpp" #include #include #include #include static std::unordered_set services_seen; bool fig0_2_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 0/2 Basic service and service component definition // ETSI EN 300 401 6.3.1 bool fig0_2(fig0_common_t& fig0, int indent) { uint16_t sref, sid; uint8_t cid, ecc, local, caid, ncomp, timd, ps, ca, subchid, scty; int k = 1; std::string psdesc; uint8_t* f = fig0.f; char sctydesc[32]; char desc[256]; bool complete = false; while (k < fig0.figlen) { if (fig0.pd() == 0) { sid = f[k] * 256 + f[k+1]; ecc = 0; cid = (f[k] & 0xF0) >> 4; sref = (f[k] & 0x0F) * 256 + f[k+1]; k += 2; } else { sid = f[k] * 256 * 256 * 256 + \ f[k+1] * 256 * 256 + \ f[k+2] * 256 + \ f[k+3]; ecc = f[k]; cid = (f[k+1] & 0xF0) >> 4; sref = (f[k+1] & 0x0F) * 256 * 256 + \ f[k+2] * 256 + \ f[k+3]; k += 4; } complete |= fig0_2_is_complete(sid); local = (f[k] & 0x80) >> 7; caid = (f[k] & 0x70) >> 4; ncomp = f[k] & 0x0F; if (fig0.pd() == 0) sprintf(desc, "Service ID=0x%X (Country id=%d, Service reference=%d), Number of components=%d, Local flag=%d, CAID=%d", sid, cid, sref, ncomp, local, caid); else sprintf(desc, "Service ID=0x%X (ECC=%d, Country id=%d, Service reference=%d), Number of components=%d, Local flag=%d, CAID=%d", sid, ecc, cid, sref, ncomp, local, caid); printbuf(desc, indent+1, NULL, 0); k++; for (int i=0; i> 6; ps = (scomp[1] & 0x02) >> 1; ca = scomp[1] & 0x01; scty = scomp[0] & 0x3F; subchid = (scomp[1] & 0xFC) >> 2; /* useless, kept as reference if (timd == 3) { uint16_t scid; scid = scty*64 + subchid; } */ if (ps == 0) { psdesc = "Secondary service"; } else { psdesc = "Primary service"; } if (timd == 0) { //MSC stream audio if (scty == 0) sprintf(sctydesc, "MPEG Foreground sound (%d)", scty); else if (scty == 1) sprintf(sctydesc, "MPEG Background sound (%d)", scty); else if (scty == 2) sprintf(sctydesc, "Multi Channel sound (%d)", scty); else if (scty == 63) sprintf(sctydesc, "AAC sound (%d)", scty); else sprintf(sctydesc, "Unknown ASCTy (%d)", scty); sprintf(desc, "Stream audio mode, %s, %s, SubChannel ID=%02X, CA=%d", psdesc.c_str(), sctydesc, subchid, ca); printbuf(desc, indent+3, NULL, 0); } else if (timd == 1) { // MSC stream data sprintf(sctydesc, "DSCTy=%d %s", scty, get_dscty_type(scty)); sprintf(desc, "Stream data mode, %s, %s, SubChannel ID=%02X, CA=%d", psdesc.c_str(), sctydesc, subchid, ca); printbuf(desc, indent+3, NULL, 0); } else if (timd == 2) { // FIDC sprintf(sctydesc, "DSCTy=%d %s", scty, get_dscty_type(scty)); sprintf(desc, "FIDC mode, %s, %s, Fast Information Data Channel ID=%02X, CA=%d", psdesc.c_str(), sctydesc, subchid, ca); printbuf(desc, indent+3, NULL, 0); } else if (timd == 3) { // MSC Packet mode sprintf(desc, "MSC Packet Mode, %s, Service Component ID=%02X, CA=%d", psdesc.c_str(), subchid, ca); printbuf(desc, indent+3, NULL, 0); } k += 2; } } return complete; }