X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/23cc33141cdf93dad750965ee559849aa99410a3..3e3832c8784e966dca29354c158ffb636f33c8cb:/lib/dvb/scan.cpp diff --git a/lib/dvb/scan.cpp b/lib/dvb/scan.cpp index d0949a97..20bb9159 100644 --- a/lib/dvb/scan.cpp +++ b/lib/dvb/scan.cpp @@ -1,7 +1,4 @@ #include -#include -#include -#include #include #include #include @@ -15,15 +12,19 @@ #include #include #include -#include -#define SCAN_eDebug(x...) eDebug(x) -#define SCAN_eDebugNoNewLine(x...) eDebugNoNewLine(x) +static bool scan_debug; +#define SCAN_eDebug(x...) do { if (scan_debug) eDebug(x); } while(0) +#define SCAN_eDebugNoNewLine(x...) do { if (scan_debug) eDebugNoNewLine(x); } while(0) DEFINE_REF(eDVBScan); -eDVBScan::eDVBScan(iDVBChannel *channel): m_channel(channel) +eDVBScan::eDVBScan(iDVBChannel *channel, bool usePAT, bool debug) + :m_channel(channel), m_channel_state(iDVBChannel::state_idle) + ,m_ready(0), m_ready_all(usePAT ? (readySDT|readyPAT) : readySDT) + ,m_flags(0), m_usePAT(usePAT) { + scan_debug=debug; if (m_channel->getDemux(m_demux)) SCAN_eDebug("scan: failed to allocate demux!"); m_channel->connectStateChange(slot(*this, &eDVBScan::stateChange), m_stateChanged_connection); @@ -83,10 +84,10 @@ RESULT eDVBScan::nextChannel() { ePtr fe; - m_SDT = 0; m_BAT = 0; m_NIT = 0; + m_SDT = 0; m_PAT = 0; m_BAT = 0; m_NIT = 0; m_ready = 0; - + /* check what we need */ m_ready_all = readySDT; @@ -95,13 +96,16 @@ RESULT eDVBScan::nextChannel() if (m_flags & scanSearchBAT) m_ready_all |= readyBAT; - + + if (m_usePAT) + m_ready_all |= readyPAT; + if (m_ch_toScan.empty()) { - eDebug("no channels left to scan."); - eDebug("%d channels scanned, %d were unavailable.", + SCAN_eDebug("no channels left to scan."); + SCAN_eDebug("%d channels scanned, %d were unavailable.", m_ch_scanned.size(), m_ch_unavailable.size()); - eDebug("%d channels in database.", m_new_channels.size()); + SCAN_eDebug("%d channels in database.", m_new_channels.size()); m_event(evtFinish); return -ENOENT; } @@ -116,63 +120,75 @@ RESULT eDVBScan::nextChannel() return -ENOTSUP; } - int fetype; - fe->getFrontendType(fetype); - if ( fetype == iDVBFrontend::feSatellite) - { - eDVBFrontendParametersSatellite p; - m_ch_current->getDVBS(p); - m_chid_current = eDVBChannelID(p.orbital_position << 16, -1, -1); - } - else - m_chid_current = eDVBChannelID(); + m_chid_current = eDVBChannelID(); m_channel_state = iDVBChannel::state_idle; + if (fe->tune(*m_ch_current)) - { return nextChannel(); - m_event(evtFail); - return -EINVAL; - } - + m_event(evtUpdate); return 0; } RESULT eDVBScan::startFilter() { + bool startSDT=true; assert(m_demux); - + /* only start required filters filter */ - - m_SDT = 0; - if (m_ready_all & readySDT) + if (m_ready_all & readyPAT) + startSDT = m_ready & readyPAT; + + m_SDT = 0; + if (startSDT && (m_ready_all & readySDT)) { m_SDT = new eTable(); - if (m_SDT->start(m_demux, eDVBSDTSpec())) + if (m_ready & readyPAT && m_ready & validPAT) + { + std::vector::const_iterator i = + m_PAT->getSections().begin(); + assert(i != m_PAT->getSections().end()); + int tsid = (*i)->getTableIdExtension(); // in PAT this is the transport stream id + if (m_SDT->start(m_demux, eDVBSDTSpec(tsid, true))) + return -1; + } + else if (m_SDT->start(m_demux, eDVBSDTSpec())) return -1; CONNECT(m_SDT->tableReady, eDVBScan::SDTready); } - m_NIT = 0; - if (m_ready_all & readyNIT) + if (!(m_ready & readyPAT)) { - m_NIT = new eTable(); - if (m_NIT->start(m_demux, eDVBNITSpec())) - return -1; - CONNECT(m_NIT->tableReady, eDVBScan::NITready); - } + m_PAT = 0; + if (m_ready_all & readyPAT) + { + m_PAT = new eTable(); + if (m_PAT->start(m_demux, eDVBPATSpec())) + return -1; + CONNECT(m_PAT->tableReady, eDVBScan::PATready); + } - m_BAT = 0; - if (m_ready_all & readyBAT) - { - m_BAT = new eTable(); - if (m_BAT->start(m_demux, eDVBBATSpec())) - return -1; - CONNECT(m_BAT->tableReady, eDVBScan::BATready); + m_NIT = 0; + if (m_ready_all & readyNIT) + { + m_NIT = new eTable(); + if (m_NIT->start(m_demux, eDVBNITSpec())) + return -1; + CONNECT(m_NIT->tableReady, eDVBScan::NITready); + } + + m_BAT = 0; + if (m_ready_all & readyBAT) + { + m_BAT = new eTable(); + if (m_BAT->start(m_demux, eDVBBATSpec())) + return -1; + CONNECT(m_BAT->tableReady, eDVBScan::BATready); + } } - + return 0; } @@ -203,6 +219,15 @@ void eDVBScan::BATready(int err) channelDone(); } +void eDVBScan::PATready(int err) +{ + SCAN_eDebug("got pat"); + m_ready |= readyPAT; + if (!err) + m_ready |= validPAT; + startFilter(); // for starting the SDT filter +} + void eDVBScan::addKnownGoodChannel(const eDVBChannelID &chid, iDVBFrontendParameters *feparm) { /* add it to the list of known channels. */ @@ -213,34 +238,99 @@ void eDVBScan::addKnownGoodChannel(const eDVBChannelID &chid, iDVBFrontendParame void eDVBScan::addChannelToScan(const eDVBChannelID &chid, iDVBFrontendParameters *feparm) { /* check if we don't already have that channel ... */ - + + int type; + feparm->getSystem(type); + + switch(type) + { + case iDVBFrontend::feSatellite: + { + eDVBFrontendParametersSatellite parm; + feparm->getDVBS(parm); + eDebug("try to add %d %d %d %d %d %d", + parm.orbital_position, parm.frequency, parm.symbol_rate, parm.polarisation, parm.fec, parm.modulation); + break; + } + case iDVBFrontend::feCable: + { + eDVBFrontendParametersCable parm; + feparm->getDVBC(parm); + eDebug("try to add %d %d %d %d", + parm.frequency, parm.symbol_rate, parm.modulation, parm.fec_inner); + break; + } + case iDVBFrontend::feTerrestrial: + { + eDVBFrontendParametersTerrestrial parm; + feparm->getDVBT(parm); + eDebug("try to add %d %d %d %d %d %d %d %d", + parm.frequency, parm.modulation, parm.transmission_mode, parm.hierarchy, + parm.guard_interval, parm.code_rate_LP, parm.code_rate_HP, parm.bandwidth); + break; + } + } + + int found_count=0; /* ... in the list of channels to scan */ - for (std::list >::const_iterator i(m_ch_toScan.begin()); i != m_ch_toScan.end(); ++i) + for (std::list >::iterator i(m_ch_toScan.begin()); i != m_ch_toScan.end();) + { if (sameChannel(*i, feparm)) - return; + { + if (!found_count) + { + *i = feparm; // update + eDebug("update"); + } + else + { + eDebug("remove dupe"); + m_ch_toScan.erase(i++); + continue; + } + ++found_count; + } + ++i; + } + + if (found_count > 0) + { + eDebug("already in todo list"); + return; + } /* ... in the list of successfully scanned channels */ for (std::list >::const_iterator i(m_ch_scanned.begin()); i != m_ch_scanned.end(); ++i) if (sameChannel(*i, feparm)) + { + eDebug("successfully scanned"); return; - + } + /* ... in the list of unavailable channels */ for (std::list >::const_iterator i(m_ch_unavailable.begin()); i != m_ch_unavailable.end(); ++i) - if (sameChannel(*i, feparm)) + if (sameChannel(*i, feparm, true)) + { + eDebug("scanned but not available"); return; + } /* ... on the current channel */ if (sameChannel(m_ch_current, feparm)) + { + eDebug("is current"); return; + } + eDebug("really add"); /* otherwise, add it to the todo list. */ m_ch_toScan.push_front(feparm); // better.. then the rotor not turning wild from east to west :) } -int eDVBScan::sameChannel(iDVBFrontendParameters *ch1, iDVBFrontendParameters *ch2) const +int eDVBScan::sameChannel(iDVBFrontendParameters *ch1, iDVBFrontendParameters *ch2, bool exact) const { int diff; - if (ch1->calculateDifference(ch2, diff)) + if (ch1->calculateDifference(ch2, diff, exact)) return 0; if (diff < 4000) // more than 4mhz difference? return 1; @@ -252,6 +342,11 @@ void eDVBScan::channelDone() if (m_ready & validSDT) { unsigned long hash = 0; + + // m_ch_current is not set, when eDVBScan is just used for a SDT update + if (!m_ch_current) + m_channel->getCurrentFrontendParameters(m_ch_current); + m_ch_current->getHash(hash); eDVBNamespace dvbnamespace = buildNamespace( @@ -268,7 +363,15 @@ void eDVBScan::channelDone() if (m_ready & validNIT) { + int system; + std::list > m_ch_toScan_backup; + m_ch_current->getSystem(system); SCAN_eDebug("dumping NIT"); + if (m_flags & clearToScanOnFirstNIT) + { + m_ch_toScan_backup = m_ch_toScan; + m_ch_toScan.clear(); + } std::vector::const_iterator i; for (i = m_NIT->getSections().begin(); i != m_NIT->getSections().end(); ++i) { @@ -290,6 +393,8 @@ void eDVBScan::channelDone() { case CABLE_DELIVERY_SYSTEM_DESCRIPTOR: { + if (system != iDVBFrontend::feCable) + break; // when current locked transponder is no cable transponder ignore this descriptor CableDeliverySystemDescriptor &d = (CableDeliverySystemDescriptor&)**desc; ePtr feparm = new eDVBFrontendParameters; eDVBFrontendParametersCable cable; @@ -307,6 +412,8 @@ void eDVBScan::channelDone() } case TERRESTRIAL_DELIVERY_SYSTEM_DESCRIPTOR: { + if (system != iDVBFrontend::feTerrestrial) + break; // when current locked transponder is no terrestrial transponder ignore this descriptor TerrestrialDeliverySystemDescriptor &d = (TerrestrialDeliverySystemDescriptor&)**desc; ePtr feparm = new eDVBFrontendParameters; eDVBFrontendParametersTerrestrial terr; @@ -324,6 +431,9 @@ void eDVBScan::channelDone() } case SATELLITE_DELIVERY_SYSTEM_DESCRIPTOR: { + if (system != iDVBFrontend::feSatellite) + break; // when current locked transponder is no satellite transponder ignore this descriptor + SatelliteDeliverySystemDescriptor &d = (SatelliteDeliverySystemDescriptor&)**desc; if (d.getFrequency() < 10000) break; @@ -331,19 +441,29 @@ void eDVBScan::channelDone() ePtr feparm = new eDVBFrontendParameters; eDVBFrontendParametersSatellite sat; sat.set(d); + + eDVBFrontendParametersSatellite p; + m_ch_current->getDVBS(p); + + if ( abs(p.orbital_position - sat.orbital_position) < 5 ) + sat.orbital_position = p.orbital_position; + + if ( abs(abs(3600 - p.orbital_position) - sat.orbital_position) < 5 ) + { + eDebug("found transponder with incorrect west/east flag ... correct this"); + sat.orbital_position = p.orbital_position; + } + feparm->setDVBS(sat); - unsigned long hash=0; - feparm->getHash(hash); - - eDVBNamespace ns = buildNamespace(onid, tsid, hash); - - if ( m_chid_current.dvbnamespace.get() != -1 && - ((ns.get() ^ m_chid_current.dvbnamespace.get()) & 0xFFFF0000)) - eDebug("dropping this transponder, it's on another satellite."); + + if ( p.orbital_position != sat.orbital_position) + SCAN_eDebug("dropping this transponder, it's on another satellite."); else { + unsigned long hash=0; + feparm->getHash(hash); addChannelToScan( - eDVBChannelID(ns, tsid, onid), + eDVBChannelID(buildNamespace(onid, tsid, hash), tsid, onid), feparm); } break; @@ -353,9 +473,25 @@ void eDVBScan::channelDone() break; } } - } + } + + /* a pitfall is to have the clearToScanOnFirstNIT-flag set, and having channels which have + no or invalid NIT. this code will not erase the toScan list unless at least one valid entry + has been found. + + This is not a perfect solution, as the channel could contain a partial NIT. Life's bad. + */ + if (m_flags & clearToScanOnFirstNIT) + { + if (m_ch_toScan.empty()) + { + eWarning("clearToScanOnFirstNIT was set, but NIT is invalid. Refusing to stop scan."); + m_ch_toScan = m_ch_toScan_backup; + } else + m_flags &= ~clearToScanOnFirstNIT; + } m_ready &= ~validNIT; } @@ -390,6 +526,18 @@ void eDVBScan::channelDone() addKnownGoodChannel(m_chid_current, m_ch_current); m_ch_scanned.push_back(m_ch_current); + + for (std::list >::iterator i(m_ch_toScan.begin()); i != m_ch_toScan.end();) + { + if (sameChannel(*i, m_ch_current)) + { + eDebug("remove dupe 2"); + m_ch_toScan.erase(i++); + continue; + } + ++i; + } + nextChannel(); } @@ -408,7 +556,7 @@ void eDVBScan::start(const eSmartPtrList &known_transpon bool exist=false; for (std::list >::const_iterator ii(m_ch_toScan.begin()); ii != m_ch_toScan.end(); ++ii) { - if (sameChannel(*i, *ii)) + if (sameChannel(*i, *ii, true)) { exist=true; break; @@ -421,7 +569,7 @@ void eDVBScan::start(const eSmartPtrList &known_transpon nextChannel(); } -void eDVBScan::insertInto(iDVBChannelList *db) +void eDVBScan::insertInto(iDVBChannelList *db, bool dontRemoveOldFlags) { if (m_flags & scanRemoveServices) { @@ -499,7 +647,7 @@ void eDVBScan::insertInto(iDVBChannelList *db) eDVBChannelID chid; if (m_flags & scanDontRemoveFeeds) chid.dvbnamespace = eDVBNamespace((*x)<<16); - eDebug("remove %d %08x", *x, chid.dvbnamespace.get()); +// eDebug("remove %d %08x", *x, chid.dvbnamespace.get()); db->removeServices(chid, *x); } } @@ -513,13 +661,24 @@ void eDVBScan::insertInto(iDVBChannelList *db) ePtr dvb_service; if (!db->getService(service->first, dvb_service)) { - *dvb_service = *service->second; - dvb_service->m_flags &= ~eDVBService::dxNewFound; + if (dvb_service->m_flags & eDVBService::dxNoSDT) + continue; + if (!(dvb_service->m_flags & eDVBService::dxHoldName)) + { + dvb_service->m_service_name = service->second->m_service_name; + dvb_service->m_service_name_sort = service->second->m_service_name_sort; + } + dvb_service->m_provider_name = service->second->m_provider_name; + if (service->second->m_ca.size()) + dvb_service->m_ca = service->second->m_ca; + if (!dontRemoveOldFlags) // do not remove new found flags when not wished + dvb_service->m_flags &= ~eDVBService::dxNewFound; } else { db->addService(service->first, service->second); - service->second->m_flags |= eDVBService::dxNewFound; + if (!(m_flags & scanRemoveServices)) + service->second->m_flags |= eDVBService::dxNewFound; } } } @@ -530,10 +689,9 @@ RESULT eDVBScan::processSDT(eDVBNamespace dvbnamespace, const ServiceDescription SCAN_eDebug("ONID: %04x", sdt.getOriginalNetworkId()); eDVBChannelID chid(dvbnamespace, sdt.getTransportStreamId(), sdt.getOriginalNetworkId()); - /* save correct CHID for this channel if this is an ACTUAL_SDT */ - if (sdt.getTableId() == TID_SDT_ACTUAL) - m_chid_current = chid; - + /* save correct CHID for this channel */ + m_chid_current = chid; + for (ServiceDescriptionConstIterator s(services.begin()); s != services.end(); ++s) { SCAN_eDebugNoNewLine("SID %04x: ", (*s)->getServiceId()); @@ -572,7 +730,7 @@ RESULT eDVBScan::processSDT(eDVBNamespace dvbnamespace, const ServiceDescription for (CaSystemIdList::const_iterator i(caids.begin()); i != caids.end(); ++i) { SCAN_eDebugNoNewLine("%04x ", *i); - service->m_ca.insert(*i); + service->m_ca.push_front(*i); } SCAN_eDebug(""); break; @@ -614,3 +772,22 @@ void eDVBScan::getLastServiceName(std::string &last_service_name) else last_service_name = m_last_service->second->m_service_name; } + +RESULT eDVBScan::getFrontend(ePtr &fe) +{ + if (m_channel) + return m_channel->getFrontend(fe); + fe = 0; + return -1; +} + +RESULT eDVBScan::getCurrentTransponder(ePtr &tp) +{ + if (m_ch_current) + { + tp = m_ch_current; + return 0; + } + tp = 0; + return -1; +}