void cEitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length) { switch (Pid) { case 0x12: { cSchedulesLock SchedulesLock(true, 10); cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock); if (Schedules) cEIT EIT(Schedules, Source(), Tid, Data); else { // If we don't get a write lock, let's at least get a read lock, so // that we can set the running status and 'seen' timestamp (well, actually // with a read lock we shouldn't be doing that, but it's only integers that // get changed, so it should be ok) cSchedulesLock SchedulesLock(false, 50); cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock); if (Schedules) cEIT EIT(Schedules, Source(), Tid, Data, true); } } break; case 0x14: { if (Setup.SetSystemTime && Setup.TimeTransponder && ISTRANSPONDER(Transponder(), Setup.TimeTransponder)) cTDT TDT(Data); } break; } }
void cScanList::AddTransponder(const cChannel *Channel) { if (Channel->Source() && Channel->Transponder()) { for (cScanData *sd = First(); sd; sd = Next(sd)) { if (sd->Source() == Channel->Source() && ISTRANSPONDER(sd->Transponder(), Channel->Transponder())) return; } Add(new cScanData(Channel)); } }
cChannel *cChannels::GetByServiceID(int Source, int Transponder, unsigned short ServiceID) { cList<cHashObject> *list = channelsHashSid.GetList(ServiceID); if (list) { for (cHashObject *hobj = list->First(); hobj; hobj = list->Next(hobj)) { cChannel *channel = (cChannel *)hobj->Object(); if (channel->Sid() == ServiceID && channel->Source() == Source && ISTRANSPONDER(channel->Transponder(), Transponder)) return channel; } } return NULL; }
void cNitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length) { SI::NIT nit(Data, false); if (!nit.CheckCRCAndParse()) return; // Some broadcasters send more than one NIT, with no apparent way of telling which // one is the right one to use. This is an attempt to find the NIT that contains // the transponder it was transmitted on and use only that one: int ThisNIT = -1; if (!networkId) { for (int i = 0; i < numNits; i++) { if (nits[i].networkId == nit.getNetworkId()) { if (nit.getSectionNumber() == 0) { // all NITs have passed by for (int j = 0; j < numNits; j++) { if (nits[j].hasTransponder) { networkId = nits[j].networkId; //printf("taking NIT with network ID %d\n", networkId); //XXX what if more than one NIT contains this transponder??? break; } } if (!networkId) { //printf("none of the NITs contains transponder %d\n", Transponder()); return; } } else { ThisNIT = i; break; } } } if (!networkId && ThisNIT < 0 && numNits < MAXNITS) { if (nit.getSectionNumber() == 0) { *nits[numNits].name = 0; SI::Descriptor *d; for (SI::Loop::Iterator it; (d = nit.commonDescriptors.getNext(it)); ) { switch (d->getDescriptorTag()) { case SI::NetworkNameDescriptorTag: { SI::NetworkNameDescriptor *nnd = (SI::NetworkNameDescriptor *)d; #ifdef USE_PROVIDERCHARSET nnd->name.getText(nits[numNits].name, MAXNETWORKNAME, NULL); #else nnd->name.getText(nits[numNits].name, MAXNETWORKNAME); #endif } break; default: ; } delete d; } nits[numNits].networkId = nit.getNetworkId(); nits[numNits].hasTransponder = false; //printf("NIT[%d] %5d '%s'\n", numNits, nits[numNits].networkId, nits[numNits].name); ThisNIT = numNits; numNits++; } } } else if (networkId != nit.getNetworkId()) return; // ignore all other NITs else if (!sectionSyncer.Sync(nit.getVersionNumber(), nit.getSectionNumber(), nit.getLastSectionNumber())) return; if (!Channels.Lock(true, 10)) return; SI::NIT::TransportStream ts; for (SI::Loop::Iterator it; nit.transportStreamLoop.getNext(ts, it); ) { SI::Descriptor *d; SI::Loop::Iterator it2; SI::FrequencyListDescriptor *fld = (SI::FrequencyListDescriptor *)ts.transportStreamDescriptors.getNext(it2, SI::FrequencyListDescriptorTag); int NumFrequencies = fld ? fld->frequencies.getCount() + 1 : 1; int Frequencies[NumFrequencies]; if (fld) { int ct = fld->getCodingType(); if (ct > 0) { int n = 1; for (SI::Loop::Iterator it3; fld->frequencies.hasNext(it3); ) { int f = fld->frequencies.getNext(it3); switch (ct) { case 1: f = BCD2INT(f) / 100; break; case 2: f = BCD2INT(f) / 10; break; case 3: f = f * 10; break; default: ; } Frequencies[n++] = f; } } else NumFrequencies = 1; } delete fld; for (SI::Loop::Iterator it2; (d = ts.transportStreamDescriptors.getNext(it2)); ) { switch (d->getDescriptorTag()) { case SI::SatelliteDeliverySystemDescriptorTag: { SI::SatelliteDeliverySystemDescriptor *sd = (SI::SatelliteDeliverySystemDescriptor *)d; cDvbTransponderParameters dtp; int Source = cSource::FromData(cSource::stSat, BCD2INT(sd->getOrbitalPosition()), sd->getWestEastFlag()); int Frequency = Frequencies[0] = BCD2INT(sd->getFrequency()) / 100; static char Polarizations[] = { 'H', 'V', 'L', 'R' }; dtp.SetPolarization(Polarizations[sd->getPolarization()]); static int CodeRates[] = { FEC_NONE, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_8_9, FEC_3_5, FEC_4_5, FEC_9_10, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_NONE }; dtp.SetCoderateH(CodeRates[sd->getFecInner()]); static int Modulations[] = { QAM_AUTO, QPSK, PSK_8, QAM_16 }; dtp.SetModulation(Modulations[sd->getModulationType()]); dtp.SetSystem(sd->getModulationSystem() ? SYS_DVBS2 : SYS_DVBS); static int RollOffs[] = { ROLLOFF_35, ROLLOFF_25, ROLLOFF_20, ROLLOFF_AUTO }; dtp.SetRollOff(sd->getModulationSystem() ? RollOffs[sd->getRollOff()] : ROLLOFF_AUTO); int SymbolRate = BCD2INT(sd->getSymbolRate()) / 10; if (ThisNIT >= 0) { for (int n = 0; n < NumFrequencies; n++) { if (ISTRANSPONDER(cChannel::Transponder(Frequencies[n], dtp.Polarization()), Transponder())) { nits[ThisNIT].hasTransponder = true; //printf("has transponder %d\n", Transponder()); break; } } break; } if (Setup.UpdateChannels >= 5) { bool found = false; bool forceTransponderUpdate = false; for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) { if (!Channel->GroupSep() && Channel->Source() == Source && Channel->Nid() == ts.getOriginalNetworkId() && Channel->Tid() == ts.getTransportStreamId()) { int transponder = Channel->Transponder(); found = true; if (!ISTRANSPONDER(cChannel::Transponder(Frequency, dtp.Polarization()), transponder)) { for (int n = 0; n < NumFrequencies; n++) { if (ISTRANSPONDER(cChannel::Transponder(Frequencies[n], dtp.Polarization()), transponder)) { Frequency = Frequencies[n]; break; } } } if (ISTRANSPONDER(cChannel::Transponder(Frequency, dtp.Polarization()), Transponder())) // only modify channels if we're actually receiving this transponder Channel->SetTransponderData(Source, Frequency, SymbolRate, dtp.ToString('S')); else if (Channel->Srate() != SymbolRate || strcmp(Channel->Parameters(), dtp.ToString('S'))) forceTransponderUpdate = true; // get us receiving this transponder } } if (!found || forceTransponderUpdate) { for (int n = 0; n < NumFrequencies; n++) { cChannel *Channel = new cChannel; Channel->SetId(ts.getOriginalNetworkId(), ts.getTransportStreamId(), 0, 0); if (Channel->SetTransponderData(Source, Frequencies[n], SymbolRate, dtp.ToString('S'))) EITScanner.AddTransponder(Channel); else delete Channel; } } } } break; case SI::CableDeliverySystemDescriptorTag: { SI::CableDeliverySystemDescriptor *sd = (SI::CableDeliverySystemDescriptor *)d; cDvbTransponderParameters dtp; int Source = cSource::FromData(cSource::stCable); int Frequency = Frequencies[0] = BCD2INT(sd->getFrequency()) / 10; //XXX FEC_outer??? static int CodeRates[] = { FEC_NONE, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_8_9, FEC_3_5, FEC_4_5, FEC_9_10, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_NONE }; dtp.SetCoderateH(CodeRates[sd->getFecInner()]); static int Modulations[] = { QPSK, QAM_16, QAM_32, QAM_64, QAM_128, QAM_256, QAM_AUTO }; dtp.SetModulation(Modulations[min(sd->getModulation(), 6)]); int SymbolRate = BCD2INT(sd->getSymbolRate()) / 10; if (ThisNIT >= 0) { for (int n = 0; n < NumFrequencies; n++) { if (ISTRANSPONDER(Frequencies[n] / 1000, Transponder())) { nits[ThisNIT].hasTransponder = true; //printf("has transponder %d\n", Transponder()); break; } } break; } if (Setup.UpdateChannels >= 5) { bool found = false; bool forceTransponderUpdate = false; for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) { if (!Channel->GroupSep() && Channel->Source() == Source && Channel->Nid() == ts.getOriginalNetworkId() && Channel->Tid() == ts.getTransportStreamId()) { int transponder = Channel->Transponder(); found = true; if (!ISTRANSPONDER(Frequency / 1000, transponder)) { for (int n = 0; n < NumFrequencies; n++) { if (ISTRANSPONDER(Frequencies[n] / 1000, transponder)) { Frequency = Frequencies[n]; break; } } } if (ISTRANSPONDER(Frequency / 1000, Transponder())) // only modify channels if we're actually receiving this transponder Channel->SetTransponderData(Source, Frequency, SymbolRate, dtp.ToString('C')); else if (Channel->Srate() != SymbolRate || strcmp(Channel->Parameters(), dtp.ToString('C'))) forceTransponderUpdate = true; // get us receiving this transponder } } if (!found || forceTransponderUpdate) { for (int n = 0; n < NumFrequencies; n++) { cChannel *Channel = new cChannel; Channel->SetId(ts.getOriginalNetworkId(), ts.getTransportStreamId(), 0, 0); if (Channel->SetTransponderData(Source, Frequencies[n], SymbolRate, dtp.ToString('C'))) EITScanner.AddTransponder(Channel); else delete Channel; } } } } break; case SI::TerrestrialDeliverySystemDescriptorTag: { SI::TerrestrialDeliverySystemDescriptor *sd = (SI::TerrestrialDeliverySystemDescriptor *)d; cDvbTransponderParameters dtp; int Source = cSource::FromData(cSource::stTerr); int Frequency = Frequencies[0] = sd->getFrequency() * 10; static int Bandwidths[] = { 8000000, 7000000, 6000000, 0, 0, 0, 0, 0 }; dtp.SetBandwidth(Bandwidths[sd->getBandwidth()]); static int Constellations[] = { QPSK, QAM_16, QAM_64, QAM_AUTO }; dtp.SetModulation(Constellations[sd->getConstellation()]); static int Hierarchies[] = { HIERARCHY_NONE, HIERARCHY_1, HIERARCHY_2, HIERARCHY_4, HIERARCHY_AUTO, HIERARCHY_AUTO, HIERARCHY_AUTO, HIERARCHY_AUTO }; dtp.SetHierarchy(Hierarchies[sd->getHierarchy()]); static int CodeRates[] = { FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_AUTO, FEC_AUTO, FEC_AUTO }; dtp.SetCoderateH(CodeRates[sd->getCodeRateHP()]); dtp.SetCoderateL(CodeRates[sd->getCodeRateLP()]); static int GuardIntervals[] = { GUARD_INTERVAL_1_32, GUARD_INTERVAL_1_16, GUARD_INTERVAL_1_8, GUARD_INTERVAL_1_4 }; dtp.SetGuard(GuardIntervals[sd->getGuardInterval()]); static int TransmissionModes[] = { TRANSMISSION_MODE_2K, TRANSMISSION_MODE_8K, TRANSMISSION_MODE_AUTO, TRANSMISSION_MODE_AUTO }; dtp.SetTransmission(TransmissionModes[sd->getTransmissionMode()]); if (ThisNIT >= 0) { for (int n = 0; n < NumFrequencies; n++) { if (ISTRANSPONDER(Frequencies[n] / 1000000, Transponder())) { nits[ThisNIT].hasTransponder = true; //printf("has transponder %d\n", Transponder()); break; } } break; } if (Setup.UpdateChannels >= 5) { bool found = false; bool forceTransponderUpdate = false; for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) { if (!Channel->GroupSep() && Channel->Source() == Source && Channel->Nid() == ts.getOriginalNetworkId() && Channel->Tid() == ts.getTransportStreamId()) { int transponder = Channel->Transponder(); found = true; if (!ISTRANSPONDER(Frequency / 1000000, transponder)) { for (int n = 0; n < NumFrequencies; n++) { if (ISTRANSPONDER(Frequencies[n] / 1000000, transponder)) { Frequency = Frequencies[n]; break; } } } if (ISTRANSPONDER(Frequency / 1000000, Transponder())) // only modify channels if we're actually receiving this transponder Channel->SetTransponderData(Source, Frequency, 0, dtp.ToString('T')); else if (strcmp(Channel->Parameters(), dtp.ToString('T'))) forceTransponderUpdate = true; // get us receiving this transponder } } if (!found || forceTransponderUpdate) { for (int n = 0; n < NumFrequencies; n++) { cChannel *Channel = new cChannel; Channel->SetId(ts.getOriginalNetworkId(), ts.getTransportStreamId(), 0, 0); if (Channel->SetTransponderData(Source, Frequencies[n], 0, dtp.ToString('T'))) EITScanner.AddTransponder(Channel); else delete Channel; } } } } break; default: ; } delete d; } } Channels.Unlock(); }
void cEitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length) { switch (Pid) { case 0x12: { cSchedulesLock SchedulesLock(true, 10); cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock); if (Schedules) cEIT EIT(Schedules, Source(), Tid, Data); else { // If we don't get a write lock, let's at least get a read lock, so // that we can set the running status and 'seen' timestamp (well, actually // with a read lock we shouldn't be doing that, but it's only integers that // get changed, so it should be ok) cSchedulesLock SchedulesLock; cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock); if (Schedules) cEIT EIT(Schedules, Source(), Tid, Data, true); } } break; case 0x14: { /* TB: (time(NULL) < 31536000*2) * always get the time if the system time has never been set * regardless of the transponder */ if ((time(NULL) < VALID_TIME) || ((Setup.SetSystemTime && Setup.TimeTransponder) && ISTRANSPONDER(Transponder(), Setup.TimeTransponder))) cTDT TDT(Data); } break; } }