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Diffstat (limited to 'src/fig/FIG0.cpp')
| -rw-r--r-- | src/fig/FIG0.cpp | 1419 |
1 files changed, 0 insertions, 1419 deletions
diff --git a/src/fig/FIG0.cpp b/src/fig/FIG0.cpp deleted file mode 100644 index 08867c8..0000000 --- a/src/fig/FIG0.cpp +++ /dev/null @@ -1,1419 +0,0 @@ -/* - 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 - - Implementation of FIG0 - */ -/* - 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 "fig/FIG0.h" -#include "fig/FIG0structs.h" -#include "utils.h" - -namespace FIC { - -//=========== FIG 0/0 =========== - -FillStatus FIG0_0::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - - if (max_size < 6) { - fs.num_bytes_written = 0; - return fs; - } - - FIGtype0_0 *fig0_0; - fig0_0 = (FIGtype0_0 *)buf; - - 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(m_rti->ensemble->id); - fig0_0->Change = 0; - fig0_0->Al = 0; - fig0_0->CIFcnt_hight = (m_rti->currentFrame / 250) % 20; - fig0_0->CIFcnt_low = (m_rti->currentFrame % 250); - - fs.complete_fig_transmitted = true; - fs.num_bytes_written = 6; - return fs; -} - - -//=========== FIG 0/1 =========== - -FIG0_1::FIG0_1(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false), - m_watermarkSize(0), - m_watermarkPos(0) -{ - uint8_t buffer[sizeof(m_watermarkData) / 2]; - snprintf((char*)buffer, sizeof(buffer), - "%s %s, %s %s", - PACKAGE_NAME, -#if defined(GITVERSION) - GITVERSION, -#else - PACKAGE_VERSION, -#endif - __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; -} - -FillStatus FIG0_1::fill(uint8_t *buf, size_t max_size) -{ -#define FIG0_1_TRACE discard - - FillStatus fs; - size_t remaining = max_size; - - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill initialised=" << - (m_initialised ? 1 : 0); - - const int watermark_bit = (m_watermarkData[m_watermarkPos >> 3] >> - (7 - (m_watermarkPos & 0x07))) & 1; - - const bool iterate_forward = (watermark_bit == 1); - - if (not m_initialised) { - m_initialised = true; - - subchannels = m_rti->ensemble->subchannels; - - if (not iterate_forward) { - std::reverse(subchannels.begin(), subchannels.end()); - } - subchannelFIG0_1 = subchannels.begin(); - } - - if (max_size < 6) { - return fs; - } - - FIGtype0_1 *figtype0_1 = NULL; - - // Rotate through the subchannels until there is no more - // space in the FIG0/1 - for (; subchannelFIG0_1 != subchannels.end(); ++subchannelFIG0_1 ) { - size_t subch_iter_ix = std::distance(subchannels.begin(), subchannelFIG0_1); - - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill loop ix=" << subch_iter_ix; - - dabProtection* protection = &(*subchannelFIG0_1)->protection; - - if (figtype0_1 == NULL) { - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill header " << - (protection->form == UEP ? "UEP " : "EEP ") << remaining; - - if ( (protection->form == UEP && remaining < 2 + 3) || - (protection->form == EEP && remaining < 2 + 4) ) { - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill no space for header"; - break; - } - - figtype0_1 = (FIGtype0_1*)buf; - - figtype0_1->FIGtypeNumber = 0; - figtype0_1->Length = 1; - figtype0_1->CN = 0; - figtype0_1->OE = 0; - figtype0_1->PD = 0; - figtype0_1->Extension = 1; - buf += 2; - remaining -= 2; - } - else if ( (protection->form == UEP && remaining < 3) || - (protection->form == EEP && remaining < 4) ) { - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill no space for fig " << - (protection->form == UEP ? "UEP " : "EEP ") << remaining; - break; - } - - if (protection->form == UEP) { - FIG_01_SubChannel_ShortF *fig0_1subchShort = - (FIG_01_SubChannel_ShortF*)buf; - 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; - - buf += 3; - remaining -= 3; - figtype0_1->Length += 3; - - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill insert UEP id=" << - (int)fig0_1subchShort->SubChId << " rem=" << remaining - << " ix=" << subch_iter_ix; - } - else if (protection->form == EEP) { - FIG_01_SubChannel_LongF *fig0_1subchLong1 = - (FIG_01_SubChannel_LongF*)buf; - 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 = - (*subchannelFIG0_1)->getSizeCu() / 256; - fig0_1subchLong1->Sub_ChannelSize_low = - (*subchannelFIG0_1)->getSizeCu() % 256; - - buf += 4; - remaining -= 4; - figtype0_1->Length += 4; - - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill insert EEP id=" << - (int)fig0_1subchLong1->SubChId << " rem=" << remaining - << " ix=" << subch_iter_ix; - } - } - - size_t subch_iter_ix = std::distance(subchannels.begin(), subchannelFIG0_1); - - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill loop out, rem=" << remaining - << " ix=" << subch_iter_ix; - - if (subchannelFIG0_1 == subchannels.end()) { - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill completed, rem=" << remaining; - m_initialised = false; - fs.complete_fig_transmitted = true; - - m_watermarkPos++; - if (m_watermarkPos == m_watermarkSize) { - m_watermarkPos = 0; - } - } - - fs.num_bytes_written = max_size - remaining; - etiLog.level(FIG0_1_TRACE) << "FIG0_1::fill wrote " << fs.num_bytes_written; - return fs; -} - - -//=========== FIG 0/2 =========== - -FIG0_2::FIG0_2(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false), - m_inserting_audio_not_data(false) -{ -} - -FillStatus FIG0_2::fill(uint8_t *buf, size_t max_size) -{ -#define FIG0_2_TRACE discard - using namespace std; - - FillStatus fs; - FIGtype0_2 *fig0_2 = NULL; - int cur = 0; - ssize_t remaining = max_size; - - const auto ensemble = m_rti->ensemble; - - etiLog.level(FIG0_2_TRACE) << "FIG0_2::fill init " << (m_initialised ? 1 : 0) << - " ********************************"; - - for (const auto& s : ensemble->services) { - // Exclude Fidc type services, TODO unsupported - auto type = s->getType(ensemble); - if (type == subchannel_type_t::Fidc) { - throw invalid_argument("FIG0/2 does not support FIDC"); - } - } - - if (not m_initialised) { - m_audio_services.clear(); - copy_if(ensemble->services.begin(), - ensemble->services.end(), - back_inserter(m_audio_services), - [&](shared_ptr<DabService>& s) { - return s->isProgramme(ensemble); - } ); - - m_data_services.clear(); - copy_if(ensemble->services.begin(), - ensemble->services.end(), - back_inserter(m_data_services), - [&](shared_ptr<DabService>& s) { - return not s->isProgramme(ensemble); - } ); - - m_initialised = true; - m_inserting_audio_not_data = !m_inserting_audio_not_data; - - if (m_inserting_audio_not_data) { - serviceFIG0_2 = m_audio_services.begin(); - } - else { - serviceFIG0_2 = m_data_services.begin(); - } - - etiLog.level(FIG0_2_TRACE) << "FIG0_2::fill we have " << - m_audio_services.size() << " audio and " << - m_data_services.size() << " data services. Inserting " << - (m_inserting_audio_not_data ? "AUDIO" : "DATA"); - } - - const auto last_service = m_inserting_audio_not_data ? - m_audio_services.end() : m_data_services.end(); - - // Rotate through the subchannels until there is no more - // space - for (; serviceFIG0_2 != last_service; ++serviceFIG0_2) { - const auto type = (*serviceFIG0_2)->getType(ensemble); - const auto isProgramme = (*serviceFIG0_2)->isProgramme(ensemble); - - etiLog.log(FIG0_2_TRACE, "FIG0_2::fill loop SId=%04x %s/%s", - (*serviceFIG0_2)->id, - m_inserting_audio_not_data ? "AUDIO" : "DATA", - type == subchannel_type_t::Audio ? "Audio" : - type == subchannel_type_t::Packet ? "Packet" : - type == subchannel_type_t::DataDmb ? "DataDmb" : - type == subchannel_type_t::Fidc ? "Fidc" : "?"); - - // filter out services which have no components - if ((*serviceFIG0_2)->nbComponent(ensemble->components) == 0) { - etiLog.level(FIG0_2_TRACE) << "FIG0_2::fill no components "; - continue; - } - - ++cur; - - const int required_size = isProgramme ? - 3 + 2 * (*serviceFIG0_2)->nbComponent(ensemble->components) : - 5 + 2 * (*serviceFIG0_2)->nbComponent(ensemble->components); - - if (fig0_2 == NULL) { - etiLog.level(FIG0_2_TRACE) << "FIG0_2::fill header"; - if (remaining < 2 + required_size) { - etiLog.level(FIG0_2_TRACE) << "FIG0_2::fill header no place" << - " rem=" << remaining << " req=" << 2 + required_size; - break; - } - fig0_2 = (FIGtype0_2 *)buf; - - fig0_2->FIGtypeNumber = 0; - fig0_2->Length = 1; - fig0_2->CN = 0; - fig0_2->OE = 0; - fig0_2->PD = isProgramme ? 0 : 1; - fig0_2->Extension = 2; - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - etiLog.level(FIG0_2_TRACE) << "FIG0_2::fill no place" << - " rem=" << remaining << " req=" << required_size; - break; - } - - if (type == subchannel_type_t::Audio) { - auto fig0_2serviceAudio = (FIGtype0_2_Service*)buf; - - fig0_2serviceAudio->SId = htons((*serviceFIG0_2)->id); - fig0_2serviceAudio->Local_flag = 0; - fig0_2serviceAudio->CAId = 0; - fig0_2serviceAudio->NbServiceComp = - (*serviceFIG0_2)->nbComponent(ensemble->components); - buf += 3; - fig0_2->Length += 3; - remaining -= 3; - - etiLog.log(FIG0_2_TRACE, "FIG0_2::fill audio SId=%04x", - (*serviceFIG0_2)->id); - } - else { - auto fig0_2serviceData = (FIGtype0_2_Service_data*)buf; - - fig0_2serviceData->SId = htonl((*serviceFIG0_2)->id); - fig0_2serviceData->Local_flag = 0; - fig0_2serviceData->CAId = 0; - fig0_2serviceData->NbServiceComp = - (*serviceFIG0_2)->nbComponent(ensemble->components); - buf += 5; - fig0_2->Length += 5; - remaining -= 5; - - etiLog.log(FIG0_2_TRACE, "FIG0_2::fill data SId=%04x", - (*serviceFIG0_2)->id); - } - - int curCpnt = 0; - for (auto component = getComponent( - ensemble->components, (*serviceFIG0_2)->id ); - component != ensemble->components.end(); - component = getComponent( - ensemble->components, - (*serviceFIG0_2)->id, - component ) - ) { - auto subchannel = getSubchannel( - ensemble->subchannels, (*component)->subchId); - - etiLog.log(FIG0_2_TRACE, "FIG0_2::fill comp sub=%04x srv=%04x", - (*component)->subchId, (*component)->serviceId); - - 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 subchannel_type_t::Audio: - { - auto audio_description = (FIGtype0_2_audio_component*)buf; - 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 subchannel_type_t::DataDmb: - { - auto data_description = (FIGtype0_2_data_component*)buf; - 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 subchannel_type_t::Packet: - { - auto packet_description = (FIGtype0_2_packet_component*)buf; - 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(); - } - buf += 2; - fig0_2->Length += 2; - remaining -= 2; - if (remaining < 0) { - 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; - - etiLog.log(FIG0_2_TRACE, "FIG0_2::fill comp length=%d", - fig0_2->Length); - } - } - - if (serviceFIG0_2 == last_service) { - etiLog.log(FIG0_2_TRACE, "FIG0_2::loop reached last"); - m_initialised = false; - fs.complete_fig_transmitted = !m_inserting_audio_not_data; - } - - etiLog.log(FIG0_2_TRACE, "FIG0_2::loop end complete=%d", - fs.complete_fig_transmitted ? 1 : 0); - - fs.num_bytes_written = max_size - remaining; - return fs; -} - - -//=========== FIG 0/3 =========== - -FIG0_3::FIG0_3(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false) -{ -} - -FillStatus FIG0_3::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - ssize_t remaining = max_size; - auto ensemble = m_rti->ensemble; - - if (not m_initialised) { - componentFIG0_3 = m_rti->ensemble->components.end(); - m_initialised = true; - } - - FIGtype0 *fig0 = NULL; - - for (; componentFIG0_3 != ensemble->components.end(); - ++componentFIG0_3) { - auto subchannel = getSubchannel(ensemble->subchannels, - (*componentFIG0_3)->subchId); - - if (subchannel == ensemble->subchannels.end()) { - etiLog.log(error, - "Subchannel %i does not exist for component " - "of service %i\n", - (*componentFIG0_3)->subchId, (*componentFIG0_3)->serviceId); - throw MuxInitException(); - } - - if ((*subchannel)->type != subchannel_type_t::Packet) - continue; - - const int required_size = 5 + (m_rti->factumAnalyzer ? 2 : 0); - - 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 = 3; - - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - /* 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. - */ - FIGtype0_3 *fig0_3 = (FIGtype0_3*)buf; - fig0_3->setSCId((*componentFIG0_3)->packet.id); - fig0_3->rfa = 0; - fig0_3->SCCA_flag = 0; - // if 0, datagroups are used - fig0_3->DG_flag = !(*componentFIG0_3)->packet.datagroup; - fig0_3->rfu = 0; - fig0_3->DSCTy = (*componentFIG0_3)->type; - fig0_3->SubChId = (*subchannel)->id; - fig0_3->setPacketAddress((*componentFIG0_3)->packet.address); - if (m_rti->factumAnalyzer) { - fig0_3->SCCA = 0; - } - - fig0->Length += 5; - buf += 5; - remaining -= 5; - if (m_rti->factumAnalyzer) { - fig0->Length += 2; - buf += 2; - remaining -= 2; - } - } - - if (componentFIG0_3 == ensemble->components.end()) { - componentFIG0_3 = ensemble->components.begin(); - fs.complete_fig_transmitted = true; - } - - fs.num_bytes_written = max_size - remaining; - return fs; -} - -//=========== FIG 0/5 =========== - -FIG0_5::FIG0_5(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false) -{ -} - -FillStatus FIG0_5::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - ssize_t remaining = max_size; - auto ensemble = m_rti->ensemble; - - if (not m_initialised) { - componentFIG0_5 = m_rti->ensemble->components.end(); - m_initialised = true; - } - - FIGtype0* fig0 = NULL; - - for (; componentFIG0_5 != ensemble->components.end(); - ++componentFIG0_5) { - - auto service = getService(*componentFIG0_5, - ensemble->services); - auto subchannel = getSubchannel(ensemble->subchannels, - (*componentFIG0_5)->subchId); - - if (subchannel == ensemble->subchannels.end()) { - etiLog.log(error, - "Subchannel %i does not exist for component " - "of service %i\n", - (*componentFIG0_5)->subchId, - (*componentFIG0_5)->serviceId); - throw MuxInitException(); - } - - if ( (*service)->language == 0) { - continue; - } - - const int required_size = 2; - - 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 = 5; - - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - FIGtype0_5_short *fig0_5 = (FIGtype0_5_short*)buf; - - fig0_5->LS = 0; - fig0_5->rfu = 0; - fig0_5->SubChId = (*subchannel)->id; - fig0_5->language = (*service)->language; - - fig0->Length += 2; - buf += 2; - remaining -= 2; - } - - if (componentFIG0_5 == ensemble->components.end()) { - componentFIG0_5 = ensemble->components.begin(); - fs.complete_fig_transmitted = true; - } - - fs.num_bytes_written = max_size - remaining; - return fs; -} - -//=========== FIG 0/8 =========== - -FIG0_8::FIG0_8(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false), - m_transmit_programme(false) -{ -} - -FillStatus FIG0_8::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - auto ensemble = m_rti->ensemble; - ssize_t remaining = max_size; - - if (not m_initialised) { - componentFIG0_8 = m_rti->ensemble->components.end(); - m_initialised = true; - } - - FIGtype0* fig0 = NULL; - - for (; componentFIG0_8 != ensemble->components.end(); - ++componentFIG0_8) { - - auto service = getService(*componentFIG0_8, - ensemble->services); - auto subchannel = getSubchannel(ensemble->subchannels, - (*componentFIG0_8)->subchId); - - if (subchannel == ensemble->subchannels.end()) { - etiLog.log(error, - "Subchannel %i does not exist for component " - "of service %i\n", - (*componentFIG0_8)->subchId, - (*componentFIG0_8)->serviceId); - throw MuxInitException(); - } - - if (m_transmit_programme and (*service)->isProgramme(ensemble)) { - const int required_size = - ((*subchannel)->type == subchannel_type_t::Packet ? 5 : 4); - - 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 = 8; - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - if ((*subchannel)->type == subchannel_type_t::Packet) { // Data packet - buf[0] = ((*componentFIG0_8)->serviceId >> 8) & 0xFF; - buf[1] = ((*componentFIG0_8)->serviceId) & 0xFF; - fig0->Length += 2; - buf += 2; - remaining -= 2; - - FIGtype0_8_long* definition = (FIGtype0_8_long*)buf; - memset(definition, 0, 3); - definition->ext = 0; // no rfa - definition->SCIdS = (*componentFIG0_8)->SCIdS; - definition->LS = 1; - definition->setSCId((*componentFIG0_8)->packet.id); - fig0->Length += 3; - buf += 3; // 8 minus rfa - remaining -= 3; - } - else { // Audio, data stream or FIDC - buf[0] = ((*componentFIG0_8)->serviceId >> 8) & 0xFF; - buf[1] = ((*componentFIG0_8)->serviceId) & 0xFF; - - fig0->Length += 2; - buf += 2; - remaining -= 2; - - FIGtype0_8_short* definition = (FIGtype0_8_short*)buf; - memset(definition, 0, 2); - definition->ext = 0; // no rfa - definition->SCIdS = (*componentFIG0_8)->SCIdS; - definition->LS = 0; - definition->MscFic = 0; - definition->Id = (*componentFIG0_8)->subchId; - fig0->Length += 2; - buf += 2; // 4 minus rfa - remaining -= 2; - } - } - else if (!m_transmit_programme and !(*service)->isProgramme(ensemble)) { - // Data - const int required_size = - ((*subchannel)->type == subchannel_type_t::Packet ? 7 : 6); - - 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 = 1; - fig0->Extension = 8; - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - if ((*subchannel)->type == subchannel_type_t::Packet) { // Data packet - buf[0] = ((*componentFIG0_8)->serviceId >> 8) & 0xFF; - buf[1] = ((*componentFIG0_8)->serviceId) & 0xFF; - fig0->Length += 4; - buf += 4; - remaining -= 4; - - FIGtype0_8_long* definition = (FIGtype0_8_long*)buf; - memset(definition, 0, 3); - definition->ext = 0; // no rfa - definition->SCIdS = (*componentFIG0_8)->SCIdS; - definition->LS = 1; - definition->setSCId((*componentFIG0_8)->packet.id); - fig0->Length += 3; - buf += 3; // 8 minus rfa - remaining -= 3; - } - else { // Audio, data stream or FIDC - buf[0] = ((*componentFIG0_8)->serviceId >> 8) & 0xFF; - buf[1] = ((*componentFIG0_8)->serviceId) & 0xFF; - fig0->Length += 4; - buf += 4; - remaining -= 4; - - FIGtype0_8_short* definition = (FIGtype0_8_short*)buf; - memset(definition, 0, 2); - definition->ext = 0; // no rfa - definition->SCIdS = (*componentFIG0_8)->SCIdS; - definition->LS = 0; - definition->MscFic = 0; - definition->Id = (*componentFIG0_8)->subchId; - fig0->Length += 2; - buf += 2; // 4 minus rfa - remaining -= 2; - } - } - } - - if (componentFIG0_8 == ensemble->components.end()) { - componentFIG0_8 = ensemble->components.begin(); - - // The full database is sent every second full loop - fs.complete_fig_transmitted = m_transmit_programme; - - m_transmit_programme = not m_transmit_programme; - // 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 - } - - fs.num_bytes_written = max_size - remaining; - return fs; -} - -//=========== FIG 0/9 =========== -FIG0_9::FIG0_9(FIGRuntimeInformation *rti) : - m_rti(rti) {} - -FillStatus FIG0_9::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - auto ensemble = m_rti->ensemble; - size_t remaining = max_size; - - if (remaining < 5) { - fs.num_bytes_written = 0; - return fs; - } - - auto fig0_9 = (FIGtype0_9*)buf; - 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->rfa1 = 0; // Had a different meaning in EN 300 401 V1.4.1 - - 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; - buf += 5; - remaining -= 5; - - /* No extended field, no support for services with different ECC */ - - fs.num_bytes_written = max_size - remaining; - fs.complete_fig_transmitted = true; - return fs; -} - -//=========== FIG 0/10 =========== - -FIG0_10::FIG0_10(FIGRuntimeInformation *rti) : - m_rti(rti) -{ -} - -FillStatus FIG0_10::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - auto ensemble = m_rti->ensemble; - size_t remaining = max_size; - - if (remaining < 8) { - fs.num_bytes_written = 0; - return fs; - } - - //Time and country identifier - auto fig0_10 = (FIGtype0_10_LongForm*)buf; - - fig0_10->FIGtypeNumber = 0; - fig0_10->Length = 7; - fig0_10->CN = 0; - fig0_10->OE = 0; - fig0_10->PD = 0; - fig0_10->Extension = 10; - buf += 2; - remaining -= 2; - - tm* timeData; - time_t dab_time_seconds = 0; - uint32_t dab_time_millis = 0; - get_dab_time(&dab_time_seconds, &dab_time_millis); - timeData = gmtime(&dab_time_seconds); - - 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 = 1; - fig0_10->UTC = 1; - fig0_10->setHours(timeData->tm_hour); - fig0_10->Minutes = timeData->tm_min; - fig0_10->Seconds = timeData->tm_sec; - fig0_10->setMilliseconds(dab_time_millis); - buf += 6; - remaining -= 6; - - fs.num_bytes_written = max_size - remaining; - fs.complete_fig_transmitted = true; - return fs; -} - -//=========== FIG 0/13 =========== - -FIG0_13::FIG0_13(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false), - m_transmit_programme(false) -{ -} - -FillStatus FIG0_13::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - auto ensemble = m_rti->ensemble; - ssize_t remaining = max_size; - - if (not m_initialised) { - componentFIG0_13 = m_rti->ensemble->components.end(); - m_initialised = true; - } - - FIGtype0* fig0 = NULL; - - for (; componentFIG0_13 != ensemble->components.end(); - ++componentFIG0_13) { - - auto 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 ( m_transmit_programme && - (*subchannel)->type == subchannel_type_t::Audio && - (*componentFIG0_13)->audio.uaType != 0xffff) { - - const int required_size = 3+4+11; - - 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 = 13; - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - FIG0_13_shortAppInfo* info = (FIG0_13_shortAppInfo*)buf; - info->SId = htonl((*componentFIG0_13)->serviceId) >> 16; - info->SCIdS = (*componentFIG0_13)->SCIdS; - info->No = 1; - buf += 3; - remaining -= 3; - fig0->Length += 3; - - FIG0_13_app* app = (FIG0_13_app*)buf; - app->setType((*componentFIG0_13)->audio.uaType); - app->length = 2; - app->xpad = htons(0x0c3c); - /* 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) - */ - - buf += 2 + app->length; - remaining -= 2 + app->length; - fig0->Length += 2 + app->length; - } - else if (!m_transmit_programme && - (*subchannel)->type == subchannel_type_t::Packet && - (*componentFIG0_13)->packet.appType != 0xffff) { - - const int required_size = 5+2+2; - - 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 = 1; - fig0->Extension = 13; - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - FIG0_13_longAppInfo* info = (FIG0_13_longAppInfo*)buf; - info->SId = htonl((*componentFIG0_13)->serviceId); - info->SCIdS = (*componentFIG0_13)->SCIdS; - info->No = 1; - buf += 5; - remaining -= 5; - fig0->Length += 5; - - FIG0_13_app* app = (FIG0_13_app*)buf; - app->setType((*componentFIG0_13)->packet.appType); - if (app->typeLow == FIG0_13_APPTYPE_EPG) { - app->length = 2; - app->xpad = htons(0x0100); - /* xpad used to hold two bytes of EPG profile information - 01 = basic profile - 00 = list terminator */ - } - else { - app->length = 0; - } - buf += 2 + app->length; - remaining -= 2 + app->length; - fig0->Length += 2 + app->length; - } - } - - if (componentFIG0_13 == ensemble->components.end()) { - componentFIG0_13 = ensemble->components.begin(); - - // The full database is sent every second full loop - fs.complete_fig_transmitted = m_transmit_programme; - - m_transmit_programme = not m_transmit_programme; - // 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 - } - - fs.num_bytes_written = max_size - remaining; - return fs; -} - -//=========== FIG 0/17 PTy =========== - -FIG0_17::FIG0_17(FIGRuntimeInformation *rti) : - m_rti(rti), - m_initialised(false) -{ -} - -FillStatus FIG0_17::fill(uint8_t *buf, size_t max_size) -{ - FillStatus fs; - ssize_t remaining = max_size; - - if (not m_initialised) { - serviceFIG0_17 = m_rti->ensemble->services.end(); - m_initialised = true; - } - - auto ensemble = m_rti->ensemble; - - FIGtype0* fig0 = NULL; - - for (; serviceFIG0_17 != ensemble->services.end(); - ++serviceFIG0_17) { - - if ((*serviceFIG0_17)->pty == 0) { - continue; - } - - const int required_size = 4; - - - 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 = 17; - buf += 2; - remaining -= 2; - } - else if (remaining < required_size) { - break; - } - - auto fig0_17 = (FIGtype0_17*)buf; - fig0_17->SId = htons((*serviceFIG0_17)->id); - fig0_17->SD = 1; // We only transmit dynamic PTy - fig0_17->rfa1 = 0; - fig0_17->rfu1 = 0; - fig0_17->rfa2_low = 0; - fig0_17->rfa2_high = 0; - fig0_17->rfu2 = 0; - fig0_17->IntCode = (*serviceFIG0_17)->pty; - - fig0->Length += 4; - buf += 4; - remaining -= 4; - } - - if (serviceFIG0_17 == ensemble->services.end()) { - serviceFIG0_17 = ensemble->services.begin(); - fs.complete_fig_transmitted = true; - } - - fs.num_bytes_written = max_size - remaining; - return fs; -} - -//=========== FIG 0/18 =========== - -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; -} - -//=========== FIG 0/19 =========== - -FIG0_19::FIG0_19(FIGRuntimeInformation *rti) : - m_rti(rti) -{ } - -FillStatus FIG0_19::fill(uint8_t *buf, size_t max_size) -{ - using namespace std; - - auto ensemble = m_rti->ensemble; - - // We are called every 24ms, and must timeout after 2s - const int timeout = 2000/24; - - m_transition.update_state(timeout, ensemble->clusters); - - FillStatus fs; - ssize_t remaining = max_size; - - FIGtype0* fig0 = NULL; - - // Combine all clusters into one list - set<AnnouncementCluster*> allclusters; - for (const auto& cluster : m_transition.new_entries) { - allclusters.insert(cluster.first.get()); - } - for (const auto& cluster : m_transition.repeated_entries) { - allclusters.insert(cluster.get()); - } - for (const auto& cluster : m_transition.disabled_entries) { - allclusters.insert(cluster.first.get()); - } - - const int length_0_19 = 4; - fs.complete_fig_transmitted = true; - for (auto& cluster : allclusters) { - - if (fig0 == NULL) { - if (remaining < 2 + length_0_19) { - fs.complete_fig_transmitted = false; - break; - } - - fig0 = (FIGtype0*)buf; - fig0->FIGtypeNumber = 0; - fig0->Length = 1; - fig0->CN = 0; - fig0->OE = 0; - fig0->PD = 0; - fig0->Extension = 19; - buf += 2; - remaining -= 2; - } - else if (remaining < length_0_19) { - fs.complete_fig_transmitted = false; - break; - } - - - auto fig0_19 = (FIGtype0_19*)buf; - fig0_19->ClusterId = cluster->cluster_id; - if (cluster->is_active()) { - fig0_19->ASw = htons(cluster->flags); - } - else { - fig0_19->ASw = 0; - } - fig0_19->NewFlag = 1; - fig0_19->RegionFlag = 0; - fig0_19->SubChId = 0; - bool found = false; - - for (const auto& subchannel : ensemble->subchannels) { - if (subchannel->uid == cluster->subchanneluid) { - fig0_19->SubChId = subchannel->id; - found = true; - break; - } - } - if (not found) { - etiLog.level(warn) << "FIG0/19: could not find subchannel " << - cluster->subchanneluid << " for cluster " << - (int)cluster->cluster_id; - continue; - } - - fig0->Length += length_0_19; - buf += length_0_19; - remaining -= length_0_19; - } - - fs.num_bytes_written = max_size - remaining; - return fs; -} - -template<class T> -void TransitionHandler<T>::update_state(int timeout, std::vector<std::shared_ptr<T> > all_entries) -{ - for (const auto& entry : all_entries) { - if (entry->is_active()) { - if (repeated_entries.count(entry) > 0) { - // We are currently announcing this entry - continue; - } - - if (new_entries.count(entry) > 0) { - // We are currently announcing this entry at a - // fast rate. Handle timeout: - new_entries[entry] -= 1; - if (new_entries[entry] <= 0) { - repeated_entries.insert(entry); - new_entries.erase(entry); - } - continue; - } - - // unlikely - if (disabled_entries.count(entry) > 0) { - new_entries[entry] = timeout; - disabled_entries.erase(entry); - continue; - } - - // It's a new entry! - new_entries[entry] = timeout; - } - else { // Not active - if (disabled_entries.count(entry) > 0) { - disabled_entries[entry] -= 1; - if (disabled_entries[entry] <= 0) { - disabled_entries.erase(entry); - } - continue; - } - - if (repeated_entries.count(entry) > 0) { - // We are currently announcing this entry - disabled_entries[entry] = timeout; - repeated_entries.erase(entry); - continue; - } - - // unlikely - if (new_entries.count(entry) > 0) { - // We are currently announcing this entry at a - // fast rate. We must stop announcing it - disabled_entries[entry] = timeout; - new_entries.erase(entry); - continue; - } - } - } -} - -FIG_rate FIG0_19::repetition_rate(void) -{ - if ( m_transition.new_entries.size() > 0 or - m_transition.disabled_entries.size() ) { - return FIG_rate::A_B; - } - else { - return FIG_rate::B; - } -} - -} // namespace FIC - |