From 369874e1c38680d27f187aa0297b0ce00b3f9fa0 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Sun, 2 Oct 2016 14:31:31 +0200 Subject: Split FIG0 into several files --- src/fig/FIG0_18.cpp | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 src/fig/FIG0_18.cpp (limited to 'src/fig/FIG0_18.cpp') diff --git a/src/fig/FIG0_18.cpp b/src/fig/FIG0_18.cpp new file mode 100644 index 0000000..9edc3d5 --- /dev/null +++ b/src/fig/FIG0_18.cpp @@ -0,0 +1,106 @@ +/* + Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, + 2011, 2012 Her Majesty the Queen in Right of Canada (Communications + Research Center Canada) + + Copyright (C) 2016 + Matthias P. Braendli, matthias.braendli@mpb.li + */ +/* + This file is part of ODR-DabMux. + + ODR-DabMux 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. + + ODR-DabMux 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 ODR-DabMux. If not, see . +*/ + +#include "fig/FIG0_18.h" +#include "utils.h" + +namespace FIC { + +FIG0_18::FIG0_18(FIGRuntimeInformation *rti) : + m_rti(rti), + m_initialised(false) +{ +} + +FillStatus FIG0_18::fill(uint8_t *buf, size_t max_size) +{ + FillStatus fs; + ssize_t remaining = max_size; + + if (not m_initialised) { + service = m_rti->ensemble->services.end(); + m_initialised = true; + } + + auto ensemble = m_rti->ensemble; + + FIGtype0* fig0 = NULL; + + for (; service != ensemble->services.end(); + ++service) { + + if ( (*service)->ASu == 0 ) { + continue; + } + + const ssize_t numclusters = (*service)->clusters.size(); + + const int required_size = 5 + numclusters; + + + if (fig0 == NULL) { + if (remaining < 2 + required_size) { + break; + } + + fig0 = (FIGtype0*)buf; + fig0->FIGtypeNumber = 0; + fig0->Length = 1; + fig0->CN = 0; + fig0->OE = 0; + fig0->PD = 0; + fig0->Extension = 18; + buf += 2; + remaining -= 2; + } + else if (remaining < required_size) { + break; + } + + auto programme = (FIGtype0_18*)buf; + programme->SId = htons((*service)->id); + programme->ASu = htons((*service)->ASu); + programme->Rfa = 0; + programme->NumClusters = numclusters; + buf += 5; + + for (uint8_t cluster : (*service)->clusters) { + *(buf++) = cluster; + } + + fig0->Length += 5 + numclusters; + remaining -= 5 + numclusters; + } + + if (service == ensemble->services.end()) { + service = ensemble->services.begin(); + fs.complete_fig_transmitted = true; + } + + fs.num_bytes_written = max_size - remaining; + return fs; +} + +} -- cgit v1.2.3