From 4809f3c042a99a639542b1e6cd22657871113260 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Fri, 2 Sep 2016 17:43:32 +0200 Subject: Move all sources to src/ --- src/fig0_2.cpp | 168 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 src/fig0_2.cpp (limited to 'src/fig0_2.cpp') diff --git a/src/fig0_2.cpp b/src/fig0_2.cpp new file mode 100644 index 0000000..27f01ac --- /dev/null +++ b/src/fig0_2.cpp @@ -0,0 +1,168 @@ +/* + 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; +} + -- cgit v1.2.3