diff options
| -rw-r--r-- | src/fig/FIG0.cpp | 133 | ||||
| -rw-r--r-- | src/fig/FIG0.h | 26 |
2 files changed, 157 insertions, 2 deletions
diff --git a/src/fig/FIG0.cpp b/src/fig/FIG0.cpp index eb571fc..a080da6 100644 --- a/src/fig/FIG0.cpp +++ b/src/fig/FIG0.cpp @@ -563,6 +563,139 @@ FillStatus FIG0_8::fill(uint8_t *buf, size_t max_size) 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(); + } + + FIGtype0* fig0 = NULL; + + 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 + } + + 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 == Audio && + (*componentFIG0_13)->audio.uaType != 0xffff) { + if (fig0 == NULL) { + 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; + } + + if (remaining < 3+4+11) { + 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 == Packet && + (*componentFIG0_13)->packet.appType != 0xffff) { + + if (fig0 == NULL) { + 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; + } + + if (remaining < 5+2) { + 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); + app->length = 0; + buf += 2; + remaining -= 2; + fig0->Length += 2; + } + } + + return fs; +} + //=========== FIG 0/17 =========== FIG0_17::FIG0_17(FIGRuntimeInformation *rti) : diff --git a/src/fig/FIG0.h b/src/fig/FIG0.h index 57ca317..06beb7e 100644 --- a/src/fig/FIG0.h +++ b/src/fig/FIG0.h @@ -102,8 +102,10 @@ class FIG0_3 : public IFIG FIGRuntimeInformation *m_rti; }; -// FIG type 0/8, MCI, Service Organization, one instance of -// FIGtype0_8_Service for each subchannel +// FIG type 0/8 +// The Extension 8 of FIG type 0 (FIG 0/8) provides information to link +// together the service component description that is valid within the ensemble +// to a service component description that is valid in other ensembles class FIG0_8 : public IFIG { public: @@ -120,6 +122,26 @@ class FIG0_8 : public IFIG std::vector<DabComponent*>::iterator componentFIG0_8; }; +// FIG type 0/13 +// User Application Information +class FIG0_13 : public IFIG +{ + public: + FIG0_13(FIGRuntimeInformation* rti); + virtual FillStatus fill(uint8_t *buf, size_t max_size); + virtual FIG_rate repetition_rate(void) { return FIG_rate::B; } + + virtual const int figtype(void) const { return 0; } + virtual const int figextension(void) const { return 13; } + + private: + FIGRuntimeInformation *m_rti; + bool m_initialised; + bool m_transmit_programme; + std::vector<DabComponent*>::iterator componentFIG0_13; +}; + + // FIG type 0/17 class FIG0_17 : public IFIG { |