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+/*
+ 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) 2015
+ 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 <http://www.gnu.org/licenses/>.
+*/
+
+#include "DabMultiplexer.h"
+#include "ConfigParser.h"
+#include <boost/make_shared.hpp>
+#include "fig/FIG.h"
+
+using namespace std;
+using namespace boost;
+
+static unsigned char Padding_FIB[] = {
+ 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+
+// Protection levels and bitrates for UEP.
+const unsigned char ProtectionLevelTable[64] = {
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 2, 1, 0,
+ 4, 3, 1,
+ 4, 2, 0
+};
+
+const unsigned short BitRateTable[64] = {
+ 32, 32, 32, 32, 32,
+ 48, 48, 48, 48, 48,
+ 56, 56, 56, 56,
+ 64, 64, 64, 64, 64,
+ 80, 80, 80, 80, 80,
+ 96, 96, 96, 96, 96,
+ 112, 112, 112, 112,
+ 128, 128, 128, 128, 128,
+ 160, 160, 160, 160, 160,
+ 192, 192, 192, 192, 192,
+ 224, 224, 224, 224, 224,
+ 256, 256, 256, 256, 256,
+ 320, 320, 320,
+ 384, 384, 384
+};
+
+DabMultiplexer::DabMultiplexer(
+ boost::shared_ptr<BaseRemoteController> rc,
+ boost::property_tree::ptree pt) :
+ m_pt(pt),
+ m_rc(rc),
+ timestamp(0),
+ MNSC_increment_time(false),
+ m_watermarkSize(0),
+ m_watermarkPos(0),
+ sync(0x49C5F8),
+ currentFrame(0),
+ insertFIG(0),
+ rotateFIB(0),
+ ensemble(boost::make_shared<dabEnsemble>()),
+ fig_carousel(ensemble)
+{
+ prepare_watermark();
+}
+
+void DabMultiplexer::prepare_watermark()
+{
+ uint8_t buffer[sizeof(m_watermarkData) / 2];
+ snprintf((char*)buffer, sizeof(buffer),
+ "%s %s, compiled at %s, %s",
+ PACKAGE_NAME, PACKAGE_VERSION, __DATE__, __TIME__);
+
+ memset(m_watermarkData, 0, sizeof(m_watermarkData));
+ m_watermarkData[0] = 0x55; // Sync
+ m_watermarkData[1] = 0x55;
+ m_watermarkSize = 16;
+ for (unsigned i = 0; i < strlen((char*)buffer); ++i) {
+ for (int j = 0; j < 8; ++j) {
+ uint8_t bit = (buffer[m_watermarkPos >> 3] >> (7 - (m_watermarkPos & 0x07))) & 1;
+ m_watermarkData[m_watermarkSize >> 3] |= bit << (7 - (m_watermarkSize & 0x07));
+ ++m_watermarkSize;
+ bit = 1;
+ m_watermarkData[m_watermarkSize >> 3] |= bit << (7 - (m_watermarkSize & 0x07));
+ ++m_watermarkSize;
+ ++m_watermarkPos;
+ }
+ }
+ m_watermarkPos = 0;
+}
+
+void DabMultiplexer::update_config(boost::property_tree::ptree pt)
+{
+ ensemble_next = boost::make_shared<dabEnsemble>();
+
+ m_pt_next = pt;
+
+ reconfigure();
+}
+
+void DabMultiplexer::reconfigure()
+{
+ parse_ptree(m_pt_next, ensemble_next, m_rc);
+}
+
+void DabMultiplexer::set_edi_config(const edi_configuration_t& new_edi_conf)
+{
+ edi_conf = new_edi_conf;
+
+#if HAVE_OUTPUT_EDI
+ if (edi_conf.verbose) {
+ etiLog.log(info, "Setup EDI");
+ }
+
+ if (edi_conf.dump) {
+ edi_debug_file.open("./edi.debug");
+ }
+
+ if (edi_conf.enabled) {
+ edi_output.create(edi_conf.source_port);
+ }
+
+ if (edi_conf.verbose) {
+ etiLog.log(info, "EDI set up");
+ }
+
+ // The TagPacket will then be placed into an AFPacket
+ AFPacketiser afPacketiser;
+ edi_afPacketiser = afPacketiser;
+
+ // The AF Packet will be protected with reed-solomon and split in fragments
+ PFT pft(edi_conf);
+ edi_pft = pft;
+#endif
+}
+
+
+// Run a set of checks on the configuration
+void DabMultiplexer::prepare()
+{
+ parse_ptree(m_pt, ensemble, m_rc);
+
+ ensemble->enrol_at(m_rc);
+
+ prepare_subchannels();
+ prepare_services_components();
+ prepare_data_inputs();
+
+ if (ensemble->subchannels.size() == 0) {
+ etiLog.log(error, "can't multiplex no subchannel!\n");
+ throw MuxInitException();
+ }
+
+ vector<dabSubchannel*>::iterator subchannel =
+ ensemble->subchannels.end() - 1;
+
+ if ((*subchannel)->startAddress + getSizeCu((*subchannel)) > 864) {
+ etiLog.log(error, "Total size in CU exceeds 864\n");
+ printSubchannels(ensemble->subchannels);
+ throw MuxInitException();
+ }
+
+ /* These iterators are used to fill the respective FIG.
+ * It is necessary to cycle through all the FIGs that have
+ * to be transmitted because they do not fit in a single
+ * FIB.
+ *
+ * ETSI EN 300 799 Clauses 5.2 and 8.1
+ */
+ serviceProgFIG0_2 = ensemble->services.end();
+ serviceDataFIG0_2 = ensemble->services.end();
+ componentProgFIG0_8 = ensemble->components.end();
+ componentDataFIG0_8 = ensemble->components.end();
+ componentFIG0_13 = ensemble->components.end();
+ transmitFIG0_13programme = false;
+ serviceFIG0_17 = ensemble->services.end();
+ subchannelFIG0_1 = ensemble->subchannels.end();
+
+
+ /* TODO:
+ * In a SFN, when reconfiguring the ensemble, the multiplexer
+ * has to be restarted (odr-dabmux doesn't support reconfiguration).
+ * Ideally, we must be able to restart transmission s.t. the receiver
+ * synchronisation is preserved.
+ */
+ gettimeofday(&mnsc_time, NULL);
+}
+
+
+// Check and adjust subchannels
+void DabMultiplexer::prepare_subchannels()
+{
+ set<unsigned char> ids;
+
+ for (auto subchannel : ensemble->subchannels) {
+ if (ids.find(subchannel->id) != ids.end()) {
+ etiLog.log(error,
+ "Subchannel %u is set more than once!\n",
+ subchannel->id);
+ throw MuxInitException();
+ }
+ ids.insert(subchannel->id);
+ }
+}
+
+// Check and adjust services and components
+void DabMultiplexer::prepare_services_components()
+{
+ set<uint32_t> ids;
+ dabProtection* protection = NULL;
+
+ vector<DabComponent*>::iterator component;
+ vector<dabSubchannel*>::iterator subchannel;
+
+ for (auto service : ensemble->services) {
+ if (ids.find(service->id) != ids.end()) {
+ etiLog.log(error,
+ "Service id 0x%x (%u) is set more than once!\n",
+ service->id, service->id);
+ throw MuxInitException();
+ }
+
+ // Get first component of this service
+ component = getComponent(ensemble->components, service->id);
+ if (component == ensemble->components.end()) {
+ etiLog.log(error,
+ "Service id 0x%x (%u) includes no component!\n",
+ service->id, service->id);
+ throw MuxInitException();
+ }
+
+ // Adjust service type from this first component
+ switch (service->getType(ensemble)) {
+ case 0: // Audio
+ service->program = true;
+ break;
+ case 1:
+ case 2:
+ case 3:
+ service->program = false;
+ break;
+ default:
+ etiLog.log(error,
+ "Error, unknown service type: %u\n",
+ service->getType(ensemble));
+ throw MuxInitException();
+ }
+
+ service->enrol_at(m_rc);
+
+ // Adjust components type for DAB+
+ while (component != ensemble->components.end()) {
+ subchannel =
+ getSubchannel(ensemble->subchannels, (*component)->subchId);
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error, "Error, service %u component "
+ "links to the invalid subchannel %u\n",
+ (*component)->serviceId, (*component)->subchId);
+ throw MuxInitException();
+ }
+
+ protection = &(*subchannel)->protection;
+ switch ((*subchannel)->type) {
+ case Audio:
+ {
+ if (protection->form == EEP) {
+ (*component)->type = 0x3f; // DAB+
+ }
+ }
+ break;
+ case DataDmb:
+ case Fidc:
+ case Packet:
+ break;
+ default:
+ etiLog.log(error,
+ "Error, unknown subchannel type\n");
+ throw MuxInitException();
+ }
+ component = getComponent(ensemble->components,
+ service->id, component);
+ }
+ }
+
+ // Init packet components SCId
+ int cur_packetid = 0;
+ for (auto component : ensemble->components) {
+ subchannel = getSubchannel(ensemble->subchannels,
+ component->subchId);
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ component->subchId, component->serviceId);
+ throw MuxInitException();
+ }
+ if ((*subchannel)->type != Packet) continue;
+
+ component->packet.id = cur_packetid++;
+
+ component->enrol_at(m_rc);
+
+ }
+
+}
+
+void DabMultiplexer::prepare_data_inputs()
+{
+ dabProtection* protection = NULL;
+ vector<dabSubchannel*>::iterator subchannel;
+
+ // Prepare and check the data inputs
+ for (subchannel = ensemble->subchannels.begin();
+ subchannel != ensemble->subchannels.end();
+ ++subchannel) {
+ protection = &(*subchannel)->protection;
+ if (subchannel == ensemble->subchannels.begin()) {
+ (*subchannel)->startAddress = 0;
+ } else {
+ (*subchannel)->startAddress = (*(subchannel - 1))->startAddress +
+ getSizeCu(*(subchannel - 1));
+ }
+ if ((*subchannel)->input->open((*subchannel)->inputUri) == -1) {
+ perror((*subchannel)->inputUri.c_str());
+ throw MuxInitException();
+ }
+
+ // TODO Check errors
+ int subch_bitrate = (*subchannel)->input->setBitrate( (*subchannel)->bitrate);
+ if (subch_bitrate <= 0) {
+ etiLog.level(error) << "can't set bitrate for source " <<
+ (*subchannel)->inputUri;
+ throw MuxInitException();
+ }
+ (*subchannel)->bitrate = subch_bitrate;
+
+ /* Use EEP unless we find a UEP configuration
+ * UEP is only used for MPEG audio, but some bitrates don't
+ * have a UEP profile (EN 300 401 Clause 6.2.1).
+ * For these bitrates, we must switch to EEP.
+ *
+ * AAC audio and data is already EEP
+ */
+ if (protection->form == UEP) {
+ protection->form = EEP;
+ for (int i = 0; i < 64; i++) {
+ if ( (*subchannel)->bitrate == BitRateTable[i] &&
+ protection->level == ProtectionLevelTable[i] ) {
+ protection->form = UEP;
+ protection->uep.tableIndex = i;
+ }
+ }
+ }
+
+ /* EEP B can only be used for subchannels with bitrates
+ * multiple of 32kbit/s
+ */
+ if ( protection->form == EEP &&
+ protection->eep.profile == EEP_B &&
+ subch_bitrate % 32 != 0 ) {
+ etiLog.level(error) <<
+ "Cannot use EEP_B protection for subchannel " <<
+ (*subchannel)->inputUri <<
+ ": bitrate not multiple of 32kbit/s";
+ throw MuxInitException();
+ }
+ }
+}
+
+/* Each call creates one ETI frame */
+void DabMultiplexer::mux_frame(std::vector<boost::shared_ptr<DabOutput> >& outputs)
+{
+ int cur;
+ time_t date;
+ unsigned char etiFrame[6144];
+ unsigned short index = 0;
+
+ vector<std::shared_ptr<DabService> >::iterator service;
+ vector<DabComponent*>::iterator component;
+ vector<dabSubchannel*>::iterator subchannel;
+
+ // FIC Length, DAB Mode I, II, IV -> FICL = 24, DAB Mode III -> FICL = 32
+ unsigned FICL = (ensemble->mode == 3 ? 32 : 24);
+
+ // For EDI, save ETI(LI) Management data into a TAG Item DETI
+ TagDETI edi_tagDETI;
+ TagStarPTR edi_tagStarPtr;
+ list<TagESTn> edi_subchannels;
+ map<dabSubchannel*, TagESTn*> edi_subchannelToTag;
+
+ // The above Tag Items will be assembled into a TAG Packet
+ TagPacket edi_tagpacket;
+
+ edi_tagDETI.atstf = 1;
+ edi_tagDETI.utco = 0;
+ edi_tagDETI.seconds = 0;
+
+ date = getDabTime();
+
+ // Initialise the ETI frame
+ memset(etiFrame, 0, 6144);
+
+ /**********************************************************************
+ ********** Section SYNC of ETI(NI, G703) *************************
+ **********************************************************************/
+
+ // See ETS 300 799 Clause 6
+ eti_SYNC *etiSync = (eti_SYNC *) etiFrame;
+
+ etiSync->ERR = edi_tagDETI.stat = 0xFF; // ETS 300 799, 5.2, no error
+
+ //****** Field FSYNC *****//
+ // See ETS 300 799, 6.2.1.2
+ sync ^= 0xffffff;
+ etiSync->FSYNC = sync;
+
+ /**********************************************************************
+ *********** Section LIDATA of ETI(NI, G703) **********************
+ **********************************************************************/
+
+ // See ETS 300 799 Figure 5 for a better overview of these fields.
+
+ //****** Section FC ***************************************************/
+ // 4 octets, starts at offset 4
+ eti_FC *fc = (eti_FC *) &etiFrame[4];
+
+ //****** FCT ******//
+ // Incremente for each frame, overflows at 249
+ fc->FCT = currentFrame % 250;
+ edi_tagDETI.dflc = currentFrame % 5000;
+
+ //****** FICF ******//
+ // Fast Information Channel Flag, 1 bit, =1 if FIC present
+ fc->FICF = edi_tagDETI.ficf = 1;
+
+ //****** NST ******//
+ /* Number of audio of data sub-channels, 7 bits, 0-64.
+ * In the 15-frame period immediately preceding a multiplex
+ * re-configuration, NST can take the value 0 (see annex E).
+ */
+ fc->NST = ensemble->subchannels.size();
+
+ //****** FP ******//
+ /* Frame Phase, 3 bit counter, tells the COFDM generator
+ * when to insert the TII. Is also used by the MNSC.
+ */
+ fc->FP = edi_tagDETI.fp = currentFrame & 0x7;
+
+ //****** MID ******//
+ //Mode Identity, 2 bits, 01 ModeI, 10 modeII, 11 ModeIII, 00 ModeIV
+ fc->MID = edi_tagDETI.mid = ensemble->mode; //mode 2 needs 3 FIB, 3*32octets = 96octets
+
+ //****** FL ******//
+ /* Frame Length, 11 bits, nb of words(4 bytes) in STC, EOH and MST
+ * if NST=0, FL=1+FICL words, FICL=24 or 32 depending on the mode.
+ * The FL is given in words (4 octets), see ETS 300 799 5.3.6 for details
+ */
+ unsigned short FLtmp = 1 + FICL + (fc->NST);
+
+ for (subchannel = ensemble->subchannels.begin();
+ subchannel != ensemble->subchannels.end();
+ ++subchannel) {
+ // Add STLsbch
+ FLtmp += getSizeWord(*subchannel);
+ }
+
+ fc->setFrameLength(FLtmp);
+ index = 8;
+
+ /******* Section STC **************************************************/
+ // Stream Characterization,
+ // number of channels * 4 octets = nb octets total
+ int edi_stream_id = 1;
+ for (subchannel = ensemble->subchannels.begin();
+ subchannel != ensemble->subchannels.end();
+ ++subchannel) {
+ dabProtection* protection = &(*subchannel)->protection;
+ eti_STC *sstc = (eti_STC *) & etiFrame[index];
+
+ sstc->SCID = (*subchannel)->id;
+ sstc->startAddress_high = (*subchannel)->startAddress / 256;
+ sstc->startAddress_low = (*subchannel)->startAddress % 256;
+ // depends on the desired protection form
+ if (protection->form == UEP) {
+ sstc->TPL = 0x10 |
+ ProtectionLevelTable[protection->uep.tableIndex];
+ }
+ else if (protection->form == EEP) {
+ sstc->TPL = 0x20 | (protection->eep.GetOption() << 2) | protection->level;
+ }
+
+ // Sub-channel Stream Length, multiple of 64 bits
+ sstc->STL_high = getSizeDWord(*subchannel) / 256;
+ sstc->STL_low = getSizeDWord(*subchannel) % 256;
+
+ TagESTn tag_ESTn(edi_stream_id++);
+ tag_ESTn.scid = (*subchannel)->id;
+ tag_ESTn.sad = (*subchannel)->startAddress;
+ tag_ESTn.tpl = sstc->TPL;
+ tag_ESTn.rfa = 0; // two bits
+ tag_ESTn.mst_length = getSizeByte(*subchannel) / 8;
+ assert(getSizeByte(*subchannel) % 8 == 0);
+
+ edi_subchannels.push_back(tag_ESTn);
+ edi_subchannelToTag[*subchannel] = &edi_subchannels.back();
+ index += 4;
+ }
+
+ /******* Section EOH **************************************************/
+ // End of Header 4 octets
+ eti_EOH *eoh = (eti_EOH *) & etiFrame[index];
+
+ //MNSC Multiplex Network Signalling Channel, 2 octets
+
+ eoh->MNSC = 0;
+
+ struct tm *time_tm = gmtime(&mnsc_time.tv_sec);
+ switch (fc->FP & 0x3)
+ {
+ case 0:
+ if (MNSC_increment_time)
+ {
+ MNSC_increment_time = false;
+ mnsc_time.tv_sec += 1;
+ }
+ {
+
+ eti_MNSC_TIME_0 *mnsc = (eti_MNSC_TIME_0 *) &eoh->MNSC;
+ // Set fields according to ETS 300 799 -- 5.5.1 and A.2.2
+ mnsc->type = 0;
+ mnsc->identifier = 0;
+ mnsc->rfa = 0;
+ }
+ break;
+ case 1:
+ {
+ eti_MNSC_TIME_1 *mnsc = (eti_MNSC_TIME_1 *) &eoh->MNSC;
+ mnsc->setFromTime(time_tm);
+ mnsc->accuracy = 1;
+ mnsc->sync_to_frame = 1;
+ }
+ break;
+ case 2:
+ {
+ eti_MNSC_TIME_2 *mnsc = (eti_MNSC_TIME_2 *) &eoh->MNSC;
+ mnsc->setFromTime(time_tm);
+ }
+ break;
+ case 3:
+ {
+ eti_MNSC_TIME_3 *mnsc = (eti_MNSC_TIME_3 *) &eoh->MNSC;
+ mnsc->setFromTime(time_tm);
+ }
+ break;
+ }
+
+ edi_tagDETI.mnsc = eoh->MNSC;
+
+ // CRC Cyclic Redundancy Checksum of the FC, STC and MNSC, 2 octets
+ unsigned short nbBytesCRC = 4 + ((fc->NST) * 4) + 2;
+
+ unsigned short CRCtmp = 0xFFFF;
+ CRCtmp = crc16(CRCtmp, &etiFrame[4], nbBytesCRC);
+ CRCtmp ^= 0xffff;
+ eoh->CRC = htons(CRCtmp);
+
+ /******* Section MST **************************************************/
+ // Main Stream Data, if FICF=1 the first 96 or 128 bytes carry the FIC
+ // (depending on mode)
+ index = ((fc->NST) + 2 + 1) * 4;
+ edi_tagDETI.fic_data = &etiFrame[index];
+ edi_tagDETI.fic_length = FICL * 4;
+
+ // FIC Insertion
+ FIGtype0* fig0;
+ FIGtype0_0 *fig0_0;
+ FIGtype0_1 *figtype0_1;
+
+ FIG_01_SubChannel_ShortF *fig0_1subchShort;
+ FIG_01_SubChannel_LongF *fig0_1subchLong1;
+
+ FIGtype0_2 *fig0_2;
+
+ FIGtype0_2_Service *fig0_2serviceAudio;
+ FIGtype0_2_Service_data *fig0_2serviceData;
+ FIGtype0_2_audio_component* audio_description;
+ FIGtype0_2_data_component* data_description;
+ FIGtype0_2_packet_component* packet_description;
+
+ FIGtype0_3_header *fig0_3_header;
+ FIGtype0_3_data *fig0_3_data;
+ FIGtype0_9 *fig0_9;
+ FIGtype0_10 *fig0_10;
+ FIGtype0_17_programme *programme;
+
+ FIGtype1_0 *fig1_0;
+ FIGtype1_1 *fig1_1;
+ FIGtype1_5 *fig1_5;
+
+ tm* timeData;
+
+ unsigned char figSize = 0;
+
+ // FIB 0 Insertion
+ bool new_fib0_carousel = m_pt.get("general.new_fib0_carousel", false);
+ if (new_fib0_carousel) {
+ // TODO update currentframe in rti
+ figSize += fig_carousel.fib0(&etiFrame[index], 30, currentFrame % 4);
+ index += figSize;
+ }
+ // Skip creating a block for the else because
+ // I don't want to reindent the whole switch block
+ else switch (insertFIG) {
+
+ case 0:
+ case 4:
+ case 8:
+ case 12:
+ // FIG type 0/0, Multiplex Configuration Info (MCI),
+ // Ensemble information
+ fig0_0 = (FIGtype0_0 *) & etiFrame[index];
+
+ fig0_0->FIGtypeNumber = 0;
+ fig0_0->Length = 5;
+ fig0_0->CN = 0;
+ fig0_0->OE = 0;
+ fig0_0->PD = 0;
+ fig0_0->Extension = 0;
+
+ fig0_0->EId = htons(ensemble->id);
+ fig0_0->Change = 0;
+ fig0_0->Al = 0;
+ fig0_0->CIFcnt_hight = (currentFrame / 250) % 20;
+ fig0_0->CIFcnt_low = (currentFrame % 250);
+ index = index + 6;
+ figSize += 6;
+
+ break;
+
+ case 1:
+ case 6:
+ case 10:
+ case 13:
+ // FIG type 0/1, MIC, Sub-Channel Organization,
+ // one instance of the part for each subchannel
+ figtype0_1 = (FIGtype0_1 *) & etiFrame[index];
+
+ figtype0_1->FIGtypeNumber = 0;
+ figtype0_1->Length = 1;
+ figtype0_1->CN = 0;
+ figtype0_1->OE = 0;
+ figtype0_1->PD = 0;
+ figtype0_1->Extension = 1;
+ index = index + 2;
+ figSize += 2;
+
+ // Rotate through the subchannels until there is no more
+ // space in the FIG0/1
+ if (subchannelFIG0_1 == ensemble->subchannels.end()) {
+ subchannelFIG0_1 = ensemble->subchannels.begin();
+ }
+
+ for (; subchannelFIG0_1 != ensemble->subchannels.end();
+ ++subchannelFIG0_1) {
+ dabProtection* protection = &(*subchannelFIG0_1)->protection;
+
+ if ( (protection->form == UEP && figSize > 27) ||
+ (protection->form == EEP && figSize > 26) ) {
+ break;
+ }
+
+ if (protection->form == UEP) {
+ fig0_1subchShort =
+ (FIG_01_SubChannel_ShortF*) &etiFrame[index];
+ fig0_1subchShort->SubChId = (*subchannelFIG0_1)->id;
+
+ fig0_1subchShort->StartAdress_high =
+ (*subchannelFIG0_1)->startAddress / 256;
+ fig0_1subchShort->StartAdress_low =
+ (*subchannelFIG0_1)->startAddress % 256;
+
+ fig0_1subchShort->Short_Long_form = 0;
+ fig0_1subchShort->TableSwitch = 0;
+ fig0_1subchShort->TableIndex =
+ protection->uep.tableIndex;
+
+ index = index + 3;
+ figSize += 3;
+ figtype0_1->Length += 3;
+ }
+ else if (protection->form == EEP) {
+ fig0_1subchLong1 =
+ (FIG_01_SubChannel_LongF*) &etiFrame[index];
+ fig0_1subchLong1->SubChId = (*subchannelFIG0_1)->id;
+
+ fig0_1subchLong1->StartAdress_high =
+ (*subchannelFIG0_1)->startAddress / 256;
+ fig0_1subchLong1->StartAdress_low =
+ (*subchannelFIG0_1)->startAddress % 256;
+
+ fig0_1subchLong1->Short_Long_form = 1;
+ fig0_1subchLong1->Option = protection->eep.GetOption();
+ fig0_1subchLong1->ProtectionLevel =
+ protection->level;
+
+ fig0_1subchLong1->Sub_ChannelSize_high =
+ getSizeCu(*subchannelFIG0_1) / 256;
+ fig0_1subchLong1->Sub_ChannelSize_low =
+ getSizeCu(*subchannelFIG0_1) % 256;
+
+ index = index + 4;
+ figSize += 4;
+ figtype0_1->Length += 4;
+ }
+ }
+ break;
+
+ case 2:
+ case 9:
+ case 11:
+ case 14:
+ // FIG type 0/2, MCI, Service Organization, one instance of
+ // FIGtype0_2_Service for each subchannel
+ fig0_2 = NULL;
+ cur = 0;
+
+ // Rotate through the subchannels until there is no more
+ // space in the FIG0/1
+ if (serviceProgFIG0_2 == ensemble->services.end()) {
+ serviceProgFIG0_2 = ensemble->services.begin();
+ }
+
+ for (; serviceProgFIG0_2 != ensemble->services.end();
+ ++serviceProgFIG0_2) {
+ if (!(*serviceProgFIG0_2)->nbComponent(ensemble->components)) {
+ continue;
+ }
+
+ if ((*serviceProgFIG0_2)->getType(ensemble) != 0) {
+ continue;
+ }
+
+ ++cur;
+
+ if (fig0_2 == NULL) {
+ fig0_2 = (FIGtype0_2 *) & etiFrame[index];
+
+ fig0_2->FIGtypeNumber = 0;
+ fig0_2->Length = 1;
+ fig0_2->CN = 0;
+ fig0_2->OE = 0;
+ fig0_2->PD = 0;
+ fig0_2->Extension = 2;
+ index = index + 2;
+ figSize += 2;
+ }
+
+ if (figSize + 3
+ + (*serviceProgFIG0_2)->nbComponent(ensemble->components)
+ * 2 > 30) {
+ break;
+ }
+
+ fig0_2serviceAudio = (FIGtype0_2_Service*) &etiFrame[index];
+
+ fig0_2serviceAudio->SId = htons((*serviceProgFIG0_2)->id);
+ fig0_2serviceAudio->Local_flag = 0;
+ fig0_2serviceAudio->CAId = 0;
+ fig0_2serviceAudio->NbServiceComp =
+ (*serviceProgFIG0_2)->nbComponent(ensemble->components);
+ index += 3;
+ fig0_2->Length += 3;
+ figSize += 3;
+
+ int curCpnt = 0;
+ for (component = getComponent(ensemble->components,
+ (*serviceProgFIG0_2)->id);
+ component != ensemble->components.end();
+ component = getComponent(ensemble->components,
+ (*serviceProgFIG0_2)->id, component)) {
+ subchannel = getSubchannel(ensemble->subchannels,
+ (*component)->subchId);
+
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*component)->subchId, (*component)->serviceId);
+ throw MuxInitException();
+ }
+
+ switch ((*subchannel)->type) {
+ case Audio:
+ audio_description =
+ (FIGtype0_2_audio_component*)&etiFrame[index];
+ audio_description->TMid = 0;
+ audio_description->ASCTy = (*component)->type;
+ audio_description->SubChId = (*subchannel)->id;
+ audio_description->PS = ((curCpnt == 0) ? 1 : 0);
+ audio_description->CA_flag = 0;
+ break;
+ case DataDmb:
+ data_description =
+ (FIGtype0_2_data_component*)&etiFrame[index];
+ data_description->TMid = 1;
+ data_description->DSCTy = (*component)->type;
+ data_description->SubChId = (*subchannel)->id;
+ data_description->PS = ((curCpnt == 0) ? 1 : 0);
+ data_description->CA_flag = 0;
+ break;
+ case Packet:
+ packet_description =
+ (FIGtype0_2_packet_component*)&etiFrame[index];
+ packet_description->TMid = 3;
+ packet_description->setSCId((*component)->packet.id);
+ packet_description->PS = ((curCpnt == 0) ? 1 : 0);
+ packet_description->CA_flag = 0;
+ break;
+ default:
+ etiLog.log(error,
+ "Component type not supported\n");
+ throw MuxInitException();
+ }
+ index += 2;
+ fig0_2->Length += 2;
+ figSize += 2;
+ if (figSize > 30) {
+ etiLog.log(error,
+ "Sorry, no space left in FIG 0/2 to insert "
+ "component %i of program service %i.\n",
+ curCpnt, cur);
+ throw MuxInitException();
+ }
+ ++curCpnt;
+ }
+ }
+ break;
+
+ case 3:
+ fig0_2 = NULL;
+ cur = 0;
+
+ if (serviceDataFIG0_2 == ensemble->services.end()) {
+ serviceDataFIG0_2 = ensemble->services.begin();
+ }
+ for (; serviceDataFIG0_2 != ensemble->services.end();
+ ++serviceDataFIG0_2) {
+ if (!(*serviceDataFIG0_2)->nbComponent(ensemble->components)) {
+ continue;
+ }
+
+ unsigned char type = (*serviceDataFIG0_2)->getType(ensemble);
+ if ((type == 0) || (type == 2)) {
+ continue;
+ }
+
+ ++cur;
+
+ if (fig0_2 == NULL) {
+ fig0_2 = (FIGtype0_2 *) & etiFrame[index];
+
+ fig0_2->FIGtypeNumber = 0;
+ fig0_2->Length = 1;
+ fig0_2->CN = 0;
+ fig0_2->OE = 0;
+ fig0_2->PD = 1;
+ fig0_2->Extension = 2;
+ index = index + 2;
+ figSize += 2;
+ }
+
+ if (figSize + 5
+ + (*serviceDataFIG0_2)->nbComponent(ensemble->components)
+ * 2 > 30) {
+ break;
+ }
+
+ fig0_2serviceData =
+ (FIGtype0_2_Service_data*) &etiFrame[index];
+
+ fig0_2serviceData->SId = htonl((*serviceDataFIG0_2)->id);
+ fig0_2serviceData->Local_flag = 0;
+ fig0_2serviceData->CAId = 0;
+ fig0_2serviceData->NbServiceComp =
+ (*serviceDataFIG0_2)->nbComponent(ensemble->components);
+ fig0_2->Length += 5;
+ index += 5;
+ figSize += 5;
+
+ int curCpnt = 0;
+ for (component = getComponent(ensemble->components,
+ (*serviceDataFIG0_2)->id);
+ component != ensemble->components.end();
+ component = getComponent(ensemble->components,
+ (*serviceDataFIG0_2)->id, component)) {
+ subchannel = getSubchannel(ensemble->subchannels,
+ (*component)->subchId);
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*component)->subchId, (*component)->serviceId);
+ throw MuxInitException();
+ }
+
+ switch ((*subchannel)->type) {
+ case Audio:
+ audio_description =
+ (FIGtype0_2_audio_component*)&etiFrame[index];
+ audio_description->TMid = 0;
+ audio_description->ASCTy = (*component)->type;
+ audio_description->SubChId = (*subchannel)->id;
+ audio_description->PS = ((curCpnt == 0) ? 1 : 0);
+ audio_description->CA_flag = 0;
+ break;
+ case DataDmb:
+ data_description =
+ (FIGtype0_2_data_component*)&etiFrame[index];
+ data_description->TMid = 1;
+ data_description->DSCTy = (*component)->type;
+ data_description->SubChId = (*subchannel)->id;
+ data_description->PS = ((curCpnt == 0) ? 1 : 0);
+ data_description->CA_flag = 0;
+ break;
+ case Packet:
+ packet_description =
+ (FIGtype0_2_packet_component*)&etiFrame[index];
+ packet_description->TMid = 3;
+ packet_description->setSCId((*component)->packet.id);
+ packet_description->PS = ((curCpnt == 0) ? 1 : 0);
+ packet_description->CA_flag = 0;
+ break;
+ default:
+ etiLog.log(error,
+ "Component type not supported\n");
+ throw MuxInitException();
+ }
+ index += 2;
+ fig0_2->Length += 2;
+ figSize += 2;
+ if (figSize > 30) {
+ etiLog.log(error,
+ "Sorry, no place left in FIG 0/2 to insert "
+ "component %i of data service %i.\n",
+ curCpnt, cur);
+ throw MuxInitException();
+ }
+ ++curCpnt;
+ }
+ }
+ break;
+
+ case 5:
+ fig0_3_header = NULL;
+
+ for (component = ensemble->components.begin();
+ component != ensemble->components.end();
+ ++component) {
+ subchannel = getSubchannel(ensemble->subchannels,
+ (*component)->subchId);
+
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*component)->subchId, (*component)->serviceId);
+ throw MuxInitException();
+ }
+
+ if ((*subchannel)->type != Packet)
+ continue;
+
+ if (fig0_3_header == NULL) {
+ fig0_3_header = (FIGtype0_3_header*)&etiFrame[index];
+ fig0_3_header->FIGtypeNumber = 0;
+ fig0_3_header->Length = 1;
+ fig0_3_header->CN = 0;
+ fig0_3_header->OE = 0;
+ fig0_3_header->PD = 0;
+ fig0_3_header->Extension = 3;
+
+ index += 2;
+ figSize += 2;
+ }
+
+ bool factumAnalyzer = m_pt.get("general.writescca", false);
+
+ /* Warning: When bit SCCA_flag is unset(0), the multiplexer
+ * R&S does not send the SCCA field. But, in the Factum ETI
+ * analyzer, if this field is not there, it is an error.
+ */
+ fig0_3_data = (FIGtype0_3_data*)&etiFrame[index];
+ fig0_3_data->setSCId((*component)->packet.id);
+ fig0_3_data->rfa = 0;
+ fig0_3_data->SCCA_flag = 0;
+ // if 0, datagroups are used
+ fig0_3_data->DG_flag = !(*component)->packet.datagroup;
+ fig0_3_data->rfu = 0;
+ fig0_3_data->DSCTy = (*component)->type;
+ fig0_3_data->SubChId = (*subchannel)->id;
+ fig0_3_data->setPacketAddress((*component)->packet.address);
+ if (factumAnalyzer) {
+ fig0_3_data->SCCA = 0;
+ }
+
+ fig0_3_header->Length += 5;
+ index += 5;
+ figSize += 5;
+ if (factumAnalyzer) {
+ fig0_3_header->Length += 2;
+ index += 2;
+ figSize += 2;
+ }
+
+ if (figSize > 30) {
+ etiLog.log(error,
+ "can't add to Fic Fig 0/3, "
+ "too much packet service\n");
+ throw MuxInitException();
+ }
+ }
+ break;
+
+ case 7:
+ fig0 = NULL;
+ if (serviceFIG0_17 == ensemble->services.end()) {
+ serviceFIG0_17 = ensemble->services.begin();
+ }
+ for (; serviceFIG0_17 != ensemble->services.end();
+ ++serviceFIG0_17) {
+
+ if ( (*serviceFIG0_17)->pty == 0 &&
+ (*serviceFIG0_17)->language == 0) {
+ continue;
+ }
+
+ if (fig0 == NULL) {
+ fig0 = (FIGtype0*)&etiFrame[index];
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 0;
+ fig0->Extension = 17;
+ index += 2;
+ figSize += 2;
+ }
+
+ if ((*serviceFIG0_17)->language == 0) {
+ if (figSize + 4 > 30) {
+ break;
+ }
+ }
+ else {
+ if (figSize + 5 > 30) {
+ break;
+ }
+ }
+
+ programme =
+ (FIGtype0_17_programme*)&etiFrame[index];
+ programme->SId = htons((*serviceFIG0_17)->id);
+ programme->SD = 1;
+ programme->PS = 0;
+ programme->L = (*serviceFIG0_17)->language != 0;
+ programme->CC = 0;
+ programme->Rfa = 0;
+ programme->NFC = 0;
+ if ((*serviceFIG0_17)->language == 0) {
+ etiFrame[index + 3] = (*serviceFIG0_17)->pty;
+ fig0->Length += 4;
+ index += 4;
+ figSize += 4;
+ }
+ else {
+ etiFrame[index + 3] = (*serviceFIG0_17)->language;
+ etiFrame[index + 4] = (*serviceFIG0_17)->pty;
+ fig0->Length += 5;
+ index += 5;
+ figSize += 5;
+ }
+ }
+ break;
+ }
+
+ if (figSize > 30) {
+ etiLog.log(error,
+ "FIG too big (%i > 30)\n", figSize);
+ throw MuxInitException();
+ }
+
+ memcpy(&etiFrame[index], Padding_FIB, 30 - figSize);
+ index += 30 - figSize;
+
+ CRCtmp = 0xffff;
+ CRCtmp = crc16(CRCtmp, &etiFrame[(index - 30)], 30);
+ CRCtmp ^= 0xffff;
+ etiFrame[index++] = ((char *) &CRCtmp)[1];
+ etiFrame[index++] = ((char *) &CRCtmp)[0];
+
+ figSize = 0;
+ // FIB 1 insertion
+ switch (rotateFIB) {
+ case 0: // FIG 0/8 program
+ fig0 = NULL;
+
+ if (componentProgFIG0_8 == ensemble->components.end()) {
+ componentProgFIG0_8 = ensemble->components.begin();
+ }
+ for (; componentProgFIG0_8 != ensemble->components.end();
+ ++componentProgFIG0_8) {
+ service = getService(*componentProgFIG0_8,
+ ensemble->services);
+ subchannel = getSubchannel(ensemble->subchannels,
+ (*componentProgFIG0_8)->subchId);
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*componentProgFIG0_8)->subchId,
+ (*componentProgFIG0_8)->serviceId);
+ throw MuxInitException();
+ }
+
+ if (!(*service)->program)
+ continue;
+
+ if (fig0 == NULL) {
+ fig0 = (FIGtype0*)&etiFrame[index];
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 0;
+ fig0->Extension = 8;
+ index += 2;
+ figSize += 2;
+ }
+
+ if ((*subchannel)->type == Packet) { // Data packet
+ if (figSize > 30 - 5) {
+ break;
+ }
+ etiFrame[index] =
+ ((*componentProgFIG0_8)->serviceId >> 8) & 0xFF;
+ etiFrame[index+1] =
+ ((*componentProgFIG0_8)->serviceId) & 0xFF;
+ fig0->Length += 2;
+ index += 2;
+ figSize += 2;
+
+ FIGtype0_8_long* definition =
+ (FIGtype0_8_long*)&etiFrame[index];
+ memset(definition, 0, 3);
+ definition->ext = 0; // no rfa
+ definition->SCIdS = (*componentProgFIG0_8)->SCIdS;
+ definition->LS = 1;
+ definition->setSCId((*componentProgFIG0_8)->packet.id);
+ fig0->Length += 3;
+ index += 3; // 8 minus rfa
+ figSize += 3;
+ }
+ else { // Audio, data stream or FIDC
+ if (figSize > 30 - 4) {
+ break;
+ }
+ etiFrame[index] =
+ ((*componentProgFIG0_8)->serviceId >> 8) & 0xFF;
+ etiFrame[index+1] =
+ ((*componentProgFIG0_8)->serviceId) & 0xFF;
+
+ fig0->Length += 2;
+ index += 2;
+ figSize += 2;
+
+ FIGtype0_8_short* definition =
+ (FIGtype0_8_short*)&etiFrame[index];
+ memset(definition, 0, 2);
+ definition->ext = 0; // no rfa
+ definition->SCIdS = (*componentProgFIG0_8)->SCIdS;
+ definition->LS = 0;
+ definition->MscFic = 0;
+ definition->Id = (*componentProgFIG0_8)->subchId;
+ fig0->Length += 2;
+ index += 2; // 4 minus rfa
+ figSize += 2;
+ }
+ }
+ break;
+
+ case 1: // FIG 0/8 data
+ fig0 = NULL;
+
+ if (componentDataFIG0_8 == ensemble->components.end()) {
+ componentDataFIG0_8 = ensemble->components.begin();
+ }
+ for (; componentDataFIG0_8 != ensemble->components.end();
+ ++componentDataFIG0_8) {
+ service = getService(*componentDataFIG0_8,
+ ensemble->services);
+
+ subchannel = getSubchannel(ensemble->subchannels,
+ (*componentDataFIG0_8)->subchId);
+
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*componentDataFIG0_8)->subchId,
+ (*componentDataFIG0_8)->serviceId);
+ throw MuxInitException();
+ }
+
+ if ((*service)->program)
+ continue;
+
+ if (fig0 == NULL) {
+ fig0 = (FIGtype0*)&etiFrame[index];
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 1;
+ fig0->Extension = 8;
+ index += 2;
+ figSize += 2;
+ }
+
+ if ((*subchannel)->type == Packet) { // Data packet
+ if (figSize > 30 - 7) {
+ break;
+ }
+ etiFrame[index] =
+ ((*componentDataFIG0_8)->serviceId >> 8) & 0xFF;
+ etiFrame[index+1] =
+ ((*componentDataFIG0_8)->serviceId) & 0xFF;
+ fig0->Length += 4;
+ index += 4;
+ figSize += 4;
+
+ FIGtype0_8_long* definition =
+ (FIGtype0_8_long*)&etiFrame[index];
+ memset(definition, 0, 3);
+ definition->ext = 0; // no rfa
+ definition->SCIdS = (*componentDataFIG0_8)->SCIdS;
+ definition->LS = 1;
+ definition->setSCId((*componentDataFIG0_8)->packet.id);
+ fig0->Length += 3;
+ index += 3; // 8 minus rfa
+ figSize += 3;
+ }
+ else { // Audio, data stream or FIDC
+ if (figSize > 30 - 6) {
+ break;
+ }
+ etiFrame[index] =
+ ((*componentDataFIG0_8)->serviceId >> 8) & 0xFF;
+ etiFrame[index+1] =
+ ((*componentDataFIG0_8)->serviceId) & 0xFF;
+ fig0->Length += 4;
+ index += 4;
+ figSize += 4;
+
+ FIGtype0_8_short* definition =
+ (FIGtype0_8_short*)&etiFrame[index];
+ memset(definition, 0, 2);
+ definition->ext = 0; // no rfa
+ definition->SCIdS = (*componentDataFIG0_8)->SCIdS;
+ definition->LS = 0;
+ definition->MscFic = 0;
+ definition->Id = (*componentDataFIG0_8)->subchId;
+ fig0->Length += 2;
+ index += 2; // 4 minus rfa
+ figSize += 2;
+ }
+ }
+ break;
+
+ case 3:
+ // FIG type 1/0, Service Information (SI), Ensemble Label
+ fig1_0 = (FIGtype1_0 *) & etiFrame[index];
+
+ fig1_0->Length = 21;
+ fig1_0->FIGtypeNumber = 1;
+ fig1_0->Extension = 0;
+ fig1_0->OE = 0;
+ fig1_0->Charset = 0;
+ fig1_0->EId = htons(ensemble->id);
+ index = index + 4;
+
+ ensemble->label.writeLabel(&etiFrame[index]);
+ index = index + 16;
+
+ etiFrame[index++] = ensemble->label.flag() >> 8;
+ etiFrame[index++] = ensemble->label.flag() & 0xFF;
+
+ figSize += 22;
+ break;
+
+ case 5:
+ case 6:
+ // FIG 0 / 13
+ fig0 = NULL;
+
+ if (componentFIG0_13 == ensemble->components.end()) {
+ componentFIG0_13 = ensemble->components.begin();
+
+ transmitFIG0_13programme = !transmitFIG0_13programme;
+ // Alternate between data and and programme FIG0/13,
+ // do not mix fig0 with PD=0 with extension 13 stuff
+ // that actually needs PD=1, and vice versa
+ }
+
+ for (; componentFIG0_13 != ensemble->components.end();
+ ++componentFIG0_13) {
+
+ subchannel = getSubchannel(ensemble->subchannels,
+ (*componentFIG0_13)->subchId);
+
+ if (subchannel == ensemble->subchannels.end()) {
+ etiLog.log(error,
+ "Subchannel %i does not exist for component "
+ "of service %i\n",
+ (*componentFIG0_13)->subchId,
+ (*componentFIG0_13)->serviceId);
+ throw MuxInitException();
+ }
+
+ if ( transmitFIG0_13programme &&
+ (*subchannel)->type == Audio &&
+ (*componentFIG0_13)->audio.uaType != 0xffff) {
+ if (fig0 == NULL) {
+ fig0 = (FIGtype0*)&etiFrame[index];
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 0;
+ fig0->Extension = 13;
+ index += 2;
+ figSize += 2;
+ }
+
+ if (figSize > 30 - (3+4+11)) {
+ break;
+ }
+
+ FIG0_13_shortAppInfo* info =
+ (FIG0_13_shortAppInfo*)&etiFrame[index];
+ info->SId = htonl((*componentFIG0_13)->serviceId) >> 16;
+ info->SCIdS = (*componentFIG0_13)->SCIdS;
+ info->No = 1;
+ index += 3;
+ figSize += 3;
+ fig0->Length += 3;
+
+ FIG0_13_app* app = (FIG0_13_app*)&etiFrame[index];
+ app->setType((*componentFIG0_13)->audio.uaType);
+ app->length = 4;
+ app->xpad = htonl(0x0cbc0000);
+ /* xpad meaning
+ CA = 0
+ CAOrg = 0
+ Rfu = 0
+ AppTy(5) = 12 (MOT, start of X-PAD data group)
+ DG = 0 (MSC data groups used)
+ Rfu = 0
+ DSCTy(6) = 60 (MOT)
+ CAOrg(16) = 0
+ */
+
+ index += 2 + app->length;
+ figSize += 2 + app->length;
+ fig0->Length += 2 + app->length;
+ }
+ else if (!transmitFIG0_13programme &&
+ (*subchannel)->type == Packet &&
+ (*componentFIG0_13)->packet.appType != 0xffff) {
+
+ if (fig0 == NULL) {
+ fig0 = (FIGtype0*)&etiFrame[index];
+ fig0->FIGtypeNumber = 0;
+ fig0->Length = 1;
+ fig0->CN = 0;
+ fig0->OE = 0;
+ fig0->PD = 1;
+ fig0->Extension = 13;
+ index += 2;
+ figSize += 2;
+ }
+
+ if (figSize > 30 - (5+2)) {
+ break;
+ }
+
+ FIG0_13_longAppInfo* info =
+ (FIG0_13_longAppInfo*)&etiFrame[index];
+ info->SId = htonl((*componentFIG0_13)->serviceId);
+ info->SCIdS = (*componentFIG0_13)->SCIdS;
+ info->No = 1;
+ index += 5;
+ figSize += 5;
+ fig0->Length += 5;
+
+ FIG0_13_app* app = (FIG0_13_app*)&etiFrame[index];
+ app->setType((*componentFIG0_13)->packet.appType);
+ app->length = 0;
+ index += 2;
+ figSize += 2;
+ fig0->Length += 2;
+ }
+ }
+ break;
+
+ case 7:
+ //Time and country identifier
+ fig0_10 = (FIGtype0_10 *) & etiFrame[index];
+
+ fig0_10->FIGtypeNumber = 0;
+ fig0_10->Length = 5;
+ fig0_10->CN = 0;
+ fig0_10->OE = 0;
+ fig0_10->PD = 0;
+ fig0_10->Extension = 10;
+ index = index + 2;
+
+ timeData = gmtime(&date);
+
+ fig0_10->RFU = 0;
+ fig0_10->setMJD(gregorian2mjd(timeData->tm_year + 1900,
+ timeData->tm_mon + 1,
+ timeData->tm_mday));
+ fig0_10->LSI = 0;
+ fig0_10->ConfInd = (m_watermarkData[m_watermarkPos >> 3] >>
+ (7 - (m_watermarkPos & 0x07))) & 1;
+ if (++m_watermarkPos == m_watermarkSize) {
+ m_watermarkPos = 0;
+ }
+ fig0_10->UTC = 0;
+ fig0_10->setHours(timeData->tm_hour);
+ fig0_10->Minutes = timeData->tm_min;
+ index = index + 4;
+ figSize += 6;
+
+ fig0_9 = (FIGtype0_9*)&etiFrame[index];
+ fig0_9->FIGtypeNumber = 0;
+ fig0_9->Length = 4;
+ fig0_9->CN = 0;
+ fig0_9->OE = 0;
+ fig0_9->PD = 0;
+ fig0_9->Extension = 9;
+
+ fig0_9->ext = 0;
+ fig0_9->lto = 0; // Unique LTO for ensemble
+
+ if (ensemble->lto_auto) {
+ time_t now = time(NULL);
+ struct tm* ltime = localtime(&now);
+ time_t now2 = timegm(ltime);
+ ensemble->lto = (now2 - now) / 1800;
+ }
+
+ if (ensemble->lto >= 0) {
+ fig0_9->ensembleLto = ensemble->lto;
+ }
+ else {
+ /* Convert to 1-complement representation */
+ fig0_9->ensembleLto = (-ensemble->lto) | (1<<5);
+ }
+
+ fig0_9->ensembleEcc = ensemble->ecc;
+ fig0_9->tableId = ensemble->international_table;
+ index += 5;
+ figSize += 5;
+
+ break;
+ }
+
+ assert(figSize <= 30);
+ memcpy(&etiFrame[index], Padding_FIB, 30 - figSize);
+ index += 30 - figSize;
+
+ CRCtmp = 0xffff;
+ CRCtmp = crc16(CRCtmp, &etiFrame[(index - 30)], 30);
+ CRCtmp ^= 0xffff;
+ etiFrame[index++] = ((char *) &CRCtmp)[1];
+ etiFrame[index++] = ((char *) &CRCtmp)[0];
+
+
+ figSize = 0;
+ // FIB 2 insertion
+ if (rotateFIB < ensemble->services.size()) {
+ service = ensemble->services.begin() + rotateFIB;
+
+ // FIG type 1/1, SI, Service label, one instance per subchannel
+ if ((*service)->getType(ensemble) == 0) {
+ fig1_1 = (FIGtype1_1 *) & etiFrame[index];
+
+ fig1_1->FIGtypeNumber = 1;
+ fig1_1->Length = 21;
+ fig1_1->Charset = 0;
+ fig1_1->OE = 0;
+ fig1_1->Extension = 1;
+
+ fig1_1->Sld = htons((*service)->id);
+ index += 4;
+ figSize += 4;
+ }
+ else {
+ fig1_5 = (FIGtype1_5 *) & etiFrame[index];
+ fig1_5->FIGtypeNumber = 1;
+ fig1_5->Length = 23;
+ fig1_5->Charset = 0;
+ fig1_5->OE = 0;
+ fig1_5->Extension = 5;
+
+ fig1_5->SId = htonl((*service)->id);
+ index += 6;
+ figSize += 6;
+ }
+ (*service)->label.writeLabel(&etiFrame[index]);
+ index += 16;
+ figSize += 16;
+ etiFrame[index++] = (*service)->label.flag() >> 8;
+ etiFrame[index++] = (*service)->label.flag() & 0xFF;
+ figSize += 2;
+ }
+ else if (rotateFIB <
+ ensemble->services.size() + ensemble->components.size()) {
+ component = ensemble->components.begin() +
+ (rotateFIB - ensemble->services.size());
+
+ service = getService(*component, ensemble->services);
+
+ subchannel =
+ getSubchannel(ensemble->subchannels, (*component)->subchId);
+
+ if (not (*component)->label.long_label().empty() ) {
+ if ((*service)->getType(ensemble) == 0) { // Programme
+ FIGtype1_4_programme *fig1_4;
+ fig1_4 = (FIGtype1_4_programme*)&etiFrame[index];
+
+ fig1_4->FIGtypeNumber = 1;
+ fig1_4->Length = 22;
+ fig1_4->Charset = 0;
+ fig1_4->OE = 0;
+ fig1_4->Extension = 4;
+ fig1_4->PD = 0;
+ fig1_4->rfa = 0;
+ fig1_4->SCIdS = (*component)->SCIdS;
+
+ fig1_4->SId = htons((*service)->id);
+ index += 5;
+ figSize += 5;
+ }
+ else { // Data
+ FIGtype1_4_data *fig1_4;
+ fig1_4 = (FIGtype1_4_data *) & etiFrame[index];
+ fig1_4->FIGtypeNumber = 1;
+ fig1_4->Length = 24;
+ fig1_4->Charset = 0;
+ fig1_4->OE = 0;
+ fig1_4->Extension = 4;
+ fig1_4->PD = 1;
+ fig1_4->rfa = 0;
+ fig1_4->SCIdS = (*component)->SCIdS;
+
+ fig1_4->SId = htonl((*service)->id);
+ index += 7;
+ figSize += 7;
+ }
+ (*component)->label.writeLabel(&etiFrame[index]);
+ index += 16;
+ figSize += 16;
+
+ etiFrame[index++] = (*component)->label.flag() >> 8;
+ etiFrame[index++] = (*component)->label.flag() & 0xFF;
+ figSize += 2;
+ }
+ }
+ memcpy(&etiFrame[index], Padding_FIB, 30 - figSize);
+ index += 30 - figSize;
+
+ CRCtmp = 0xffff;
+ CRCtmp = crc16(CRCtmp, &etiFrame[(index - 30)], 30);
+ CRCtmp ^= 0xffff;
+ etiFrame[index++] = ((char *) &CRCtmp)[1];
+ etiFrame[index++] = ((char *) &CRCtmp)[0];
+
+ /* ETSI EN 300 799 Table 2:
+ * Only TM3 has a FIB count to CIF count that is
+ * not 3 to 1.
+ */
+ if (ensemble->mode == 3) {
+ memcpy(&etiFrame[index], Padding_FIB, 30);
+ index += 30;
+
+ CRCtmp = 0xffff;
+ CRCtmp = crc16(CRCtmp, &etiFrame[(index - 30)], 30);
+ CRCtmp ^= 0xffff;
+ etiFrame[index++] = ((char *) &CRCtmp)[1];
+ etiFrame[index++] = ((char *) &CRCtmp)[0];
+ }
+
+ if (ensemble->services.size() > 30) {
+ etiLog.log(error,
+ "Sorry, but this software currently can't write "
+ "Service Label of more than 30 services.\n");
+ throw MuxInitException();
+ }
+
+ // counter for FIG 0/0
+ insertFIG = (insertFIG + 1) % 16;
+
+ // We rotate through the FIBs every 30 frames
+ rotateFIB = (rotateFIB + 1) % 30;
+
+ /**********************************************************************
+ ****** Input Data Reading *******************************************
+ **********************************************************************/
+
+ for (subchannel = ensemble->subchannels.begin();
+ subchannel != ensemble->subchannels.end();
+ ++subchannel) {
+
+ TagESTn* tag = edi_subchannelToTag[*subchannel];
+
+ int sizeSubchannel = getSizeByte(*subchannel);
+ int result = (*subchannel)->input->readFrame(
+ &etiFrame[index], sizeSubchannel);
+
+ if (result < 0) {
+ etiLog.log(info,
+ "Subchannel %d read failed at ETI frame number: %d\n",
+ (*subchannel)->id, currentFrame);
+ }
+
+ // save pointer to Audio or Data Stream into correct TagESTn for EDI
+ tag->mst_data = &etiFrame[index];
+
+ index += sizeSubchannel;
+ }
+
+
+ index = (3 + fc->NST + FICL) * 4;
+ for (subchannel = ensemble->subchannels.begin();
+ subchannel != ensemble->subchannels.end();
+ ++subchannel) {
+ index += getSizeByte(*subchannel);
+ }
+
+ /******* Section EOF **************************************************/
+ // End of Frame, 4 octets
+ index = (FLtmp + 1 + 1) * 4;
+ eti_EOF *eof = (eti_EOF *) & etiFrame[index];
+
+ // CRC of Main Stream data (MST), 16 bits
+ index = ((fc->NST) + 2 + 1) * 4; // MST position
+
+ unsigned short MSTsize = ((FLtmp) - 1 - (fc->NST)) * 4; // data size
+
+ CRCtmp = 0xffff;
+ CRCtmp = crc16(CRCtmp, &etiFrame[index], MSTsize);
+ CRCtmp ^= 0xffff;
+ eof->CRC = htons(CRCtmp);
+
+ //RFU, Reserved for future use, 2 bytes, should be 0xFFFF
+ eof->RFU = htons(0xFFFF);
+
+ /******* Section TIST *************************************************/
+ // TimeStamps, 24 bits + 1 octet
+ index = (FLtmp + 2 + 1) * 4;
+ eti_TIST *tist = (eti_TIST *) & etiFrame[index];
+
+ bool enableTist = m_pt.get("general.tist", false);
+ if (enableTist) {
+ tist->TIST = htonl(timestamp) | 0xff;
+ }
+ else {
+ tist->TIST = htonl(0xffffff) | 0xff;
+ }
+
+ edi_tagDETI.tsta = tist->TIST;
+
+ timestamp += 3 << 17;
+ if (timestamp > 0xf9ffff)
+ {
+ timestamp -= 0xfa0000;
+
+ // Also update MNSC time for next frame
+ MNSC_increment_time = true;
+ }
+
+
+
+ /**********************************************************************
+ *********** Section FRPD *****************************************
+ **********************************************************************/
+
+ int frame_size = (FLtmp + 1 + 1 + 1 + 1) * 4;
+
+ // Give the data to the outputs
+ for (auto output : outputs) {
+ if (output->Write(etiFrame, frame_size) == -1) {
+ etiLog.level(error) <<
+ "Can't write to output " <<
+ output->get_info();
+ }
+ }
+
+#ifdef DUMP_BRIDGE
+ dumpBytes(dumpData, sizeSubChannel, stderr);
+#endif // DUMP_BRIDGE
+
+#if HAVE_OUTPUT_EDI
+ /**********************************************************************
+ *********** Finalise and send EDI ********************************
+ **********************************************************************/
+
+ if (edi_conf.enabled) {
+ // put tags *ptr, DETI and all subchannels into one TagPacket
+ edi_tagpacket.tag_items.push_back(&edi_tagStarPtr);
+ edi_tagpacket.tag_items.push_back(&edi_tagDETI);
+
+ for (auto& tag : edi_subchannels) {
+ edi_tagpacket.tag_items.push_back(&tag);
+ }
+
+ // Assemble into one AF Packet
+ AFPacket edi_afpacket = edi_afPacketiser.Assemble(edi_tagpacket);
+
+ if (edi_conf.enable_pft) {
+ // Apply PFT layer to AF Packet (Reed Solomon FEC and Fragmentation)
+ vector< PFTFragment > edi_fragments =
+ edi_pft.Assemble(edi_afpacket);
+
+ // Send over ethernet
+ for (const auto& edi_frag : edi_fragments) {
+ UdpPacket udppacket;
+
+ InetAddress& addr = udppacket.getAddress();
+ addr.setAddress(edi_conf.dest_addr.c_str());
+ addr.setPort(edi_conf.dest_port);
+
+ udppacket.addData(&(edi_frag.front()), edi_frag.size());
+
+ edi_output.send(udppacket);
+
+ if (edi_conf.dump) {
+ std::ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
+ std::copy(edi_frag.begin(), edi_frag.end(), debug_iterator);
+ }
+ }
+
+ if (edi_conf.verbose) {
+ fprintf(stderr, "EDI number of PFT fragments %zu\n",
+ edi_fragments.size());
+ }
+ }
+ else {
+ // Send over ethernet
+
+ UdpPacket udppacket;
+
+ InetAddress& addr = udppacket.getAddress();
+ addr.setAddress(edi_conf.dest_addr.c_str());
+ addr.setPort(edi_conf.dest_port);
+
+ udppacket.addData(&(edi_afpacket.front()), edi_afpacket.size());
+
+ edi_output.send(udppacket);
+
+ if (edi_conf.dump) {
+ std::ostream_iterator<uint8_t> debug_iterator(edi_debug_file);
+ std::copy(edi_afpacket.begin(), edi_afpacket.end(), debug_iterator);
+ }
+ }
+ }
+#endif // HAVE_OUTPUT_EDI
+
+ if (currentFrame % 100 == 0) {
+ etiLog.log(info, "ETI frame number %i Time: %d, no TIST\n",
+ currentFrame, mnsc_time.tv_sec);
+ }
+
+#if _DEBUG
+ /**********************************************************************
+ *********** Output a small message *********************************
+ **********************************************************************/
+ if (currentFrame % 100 == 0) {
+ if (enableTist) {
+ etiLog.log(info, "ETI frame number %i Timestamp: %d + %f\n",
+ currentFrame, mnsc_time.tv_sec,
+ (timestamp & 0xFFFFFF) / 16384000.0);
+ }
+ else {
+ etiLog.log(info, "ETI frame number %i Time: %d, no TIST\n",
+ currentFrame, mnsc_time.tv_sec);
+ }
+ }
+#endif
+
+ currentFrame++;
+}
+
+void DabMultiplexer::print_info(void)
+{
+ return;
+ // Print settings before starting
+ etiLog.log(info, "--- Multiplex configuration ---");
+ printEnsemble(ensemble);
+
+ etiLog.log(info, "--- Subchannels list ---");
+ printSubchannels(ensemble->subchannels);
+
+ etiLog.log(info, "--- Services list ---");
+ printServices(ensemble->services);
+
+ etiLog.log(info, "--- Components list ---");
+ printComponents(ensemble->components);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 08:01:40 +0000