1 #include <lib/base/eerror.h>
2 #include <lib/dvb/pmt.h>
3 #include <lib/dvb/specs.h>
4 #include <lib/dvb/dvb.h>
5 #include <lib/dvb/metaparser.h>
6 #include <lib/dvb_ci/dvbci.h>
7 #include <lib/dvb/epgcache.h>
8 #include <dvbsi++/ca_descriptor.h>
9 #include <dvbsi++/ca_program_map_section.h>
10 #include <dvbsi++/teletext_descriptor.h>
11 #include <dvbsi++/descriptor_tag.h>
12 #include <dvbsi++/iso639_language_descriptor.h>
13 #include <dvbsi++/stream_identifier_descriptor.h>
15 eDVBServicePMTHandler::eDVBServicePMTHandler()
16 :m_ca_servicePtr(0), m_decode_demux_num(0xFF)
18 m_use_decode_demux = 0;
20 eDVBResourceManager::getInstance(m_resourceManager);
21 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
22 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
25 eDVBServicePMTHandler::~eDVBServicePMTHandler()
30 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
33 channel->getState(state);
35 if ((m_last_channel_state != iDVBChannel::state_ok)
36 && (state == iDVBChannel::state_ok) && (!m_demux))
39 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
40 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
42 serviceEvent(eventTuned);
46 eDebug("ok ... now we start!!");
49 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
51 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
53 if ( m_service && !m_service->cacheEmpty() )
54 serviceEvent(eventNewProgramInfo);
56 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
57 (state == iDVBChannel::state_failed))
59 eDebug("tune failed.");
60 serviceEvent(eventTuneFailed);
64 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
68 case iDVBChannel::evtEOF:
69 serviceEvent(eventEOF);
71 case iDVBChannel::evtSOF:
72 serviceEvent(eventSOF);
79 void eDVBServicePMTHandler::PMTready(int error)
82 serviceEvent(eventNoPMT);
85 serviceEvent(eventNewProgramInfo);
86 eEPGCache::getInstance()->PMTready(this);
89 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
91 int demuxes[2] = {0,0};
93 m_demux->getCADemuxID(tmp);
95 if (m_decode_demux_num != 0xFF)
96 demuxes[1]=m_decode_demux_num;
98 demuxes[1]=demuxes[0];
99 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
100 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
102 eDVBCIInterfaces::getInstance()->gotPMT(this);
106 ePtr<eTable<ProgramMapSection> > ptr;
107 if (!m_PMT.getCurrent(ptr))
108 m_ca_servicePtr->buildCAPMT(ptr);
110 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
115 void eDVBServicePMTHandler::PATready(int)
117 ePtr<eTable<ProgramAssociationSection> > ptr;
118 if (!m_PAT.getCurrent(ptr))
121 std::vector<ProgramAssociationSection*>::const_iterator i;
122 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
124 const ProgramAssociationSection &pat = **i;
125 ProgramAssociationConstIterator program;
126 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
127 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
128 pmtpid = (*program)->getProgramMapPid();
131 serviceEvent(eventNoPATEntry);
133 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
135 serviceEvent(eventNoPAT);
138 PyObject *eDVBServicePMTHandler::getCaIds()
142 ePtr<eTable<ProgramMapSection> > ptr;
144 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
147 memset(caids, 0, sizeof(caids));
148 std::vector<ProgramMapSection*>::const_iterator i = ptr->getSections().begin();
149 for (; i != ptr->getSections().end(); ++i)
151 const ProgramMapSection &pmt = **i;
152 ElementaryStreamInfoConstIterator es = pmt.getEsInfo()->begin();
153 for (; es != pmt.getEsInfo()->end(); ++es)
155 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
156 desc != (*es)->getDescriptors()->end(); ++desc)
158 switch ((*desc)->getTag())
162 const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
163 uint16_t caid = cadescr->getCaSystemId();
165 while (caids[idx] && caids[idx] != caid)
173 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
174 desc != pmt.getDescriptors()->end(); ++desc)
176 switch ((*desc)->getTag())
180 const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
181 uint16_t caid = cadescr->getCaSystemId();
183 while (caids[idx] && caids[idx] != caid)
198 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(caids[cnt]));
208 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
210 ePtr<eTable<ProgramMapSection> > ptr;
212 program.videoStreams.clear();
213 program.audioStreams.clear();
215 program.isCrypted = false;
217 program.textPid = -1;
219 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
221 int cached_apid_ac3 = -1;
222 int cached_apid_mpeg = -1;
223 int cached_vpid = -1;
224 int cached_tpid = -1;
225 if ( m_service && !m_service->cacheEmpty() )
227 cached_vpid = m_service->getCachePID(eDVBService::cVPID);
228 cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
229 cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
230 cached_tpid = m_service->getCachePID(eDVBService::cTPID);
232 eDVBTableSpec table_spec;
233 ptr->getSpec(table_spec);
234 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
235 std::vector<ProgramMapSection*>::const_iterator i;
236 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
238 const ProgramMapSection &pmt = **i;
239 program.pcrPid = pmt.getPcrPid();
241 ElementaryStreamInfoConstIterator es;
242 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
244 int isaudio = 0, isvideo = 0, cadescriptors = 0;
247 audio.component_tag=-1;
248 video.component_tag=-1;
250 video.pid = (*es)->getPid();
251 audio.pid = (*es)->getPid();
253 switch ((*es)->getType())
255 case 0x01: // MPEG 1 video
256 case 0x02: // MPEG 2 video
258 //break; fall through !!!
259 case 0x03: // MPEG 1 audio
260 case 0x04: // MPEG 2 audio:
264 audio.type = audioStream::atMPEG;
266 //break; fall through !!!
267 case 0x06: // PES Private
268 /* PES private can contain AC-3, DTS or lots of other stuff.
269 check descriptors to get the exact type. */
270 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
271 desc != (*es)->getDescriptors()->end(); ++desc)
273 switch ((*desc)->getTag())
275 case TELETEXT_DESCRIPTOR:
276 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
277 program.textPid = (*es)->getPid();
283 audio.type = audioStream::atAC3;
286 case ISO_639_LANGUAGE_DESCRIPTOR:
289 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
290 /* use last language code */
291 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
292 audio.language_code = (*i)->getIso639LanguageCode();
295 case STREAM_IDENTIFIER_DESCRIPTOR:
296 audio.component_tag =
297 video.component_tag =
298 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
309 if ( !program.audioStreams.empty() &&
310 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
312 program.audioStreams.push_back(program.audioStreams[0]);
313 program.audioStreams[0] = audio;
316 program.audioStreams.push_back(audio);
320 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
322 program.videoStreams.push_back(program.videoStreams[0]);
323 program.videoStreams[0] = video;
326 program.videoStreams.push_back(video);
330 if ( cadescriptors > 0 )
331 program.isCrypted=true;
333 if ( !program.isCrypted )
335 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
336 desc != pmt.getDescriptors()->end(); ++desc)
338 switch ((*desc)->getTag())
341 program.isCrypted=true;
349 } else if ( m_service && !m_service->cacheEmpty() )
351 int vpid = m_service->getCachePID(eDVBService::cVPID),
352 apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
353 apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
354 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
355 tpid = m_service->getCachePID(eDVBService::cTPID),
361 program.videoStreams.push_back(s);
364 if ( apid_ac3 != -1 )
367 s.type = audioStream::atAC3;
369 program.audioStreams.push_back(s);
372 if ( apid_mpeg != -1 )
375 s.type = audioStream::atMPEG;
377 program.audioStreams.push_back(s);
383 program.pcrPid = pcrpid;
388 program.textPid = tpid;
396 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
405 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
414 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
417 /* if we're using the decoding demux as data source
418 (for example in pvr playbacks), return that one. */
419 if (m_use_decode_demux)
425 ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
427 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
429 demux->getCADemuxID(m_decode_demux_num);
434 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
436 pvr_channel = m_pvr_channel;
443 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
448 m_use_decode_demux = use_decode_demux;
450 /* is this a normal (non PVR) channel? */
451 if (ref.path.empty())
454 ref.getChannelID(chid);
455 res = m_resourceManager->allocateChannel(chid, m_channel);
456 eDebug("allocate Channel: res %d", res);
459 eDVBMetaParser parser;
461 if (parser.parseFile(ref.path))
463 eWarning("no .meta file found, trying to find PMT pid");
465 if (tstools.openFile(ref.path.c_str()))
466 eWarning("failed to open file");
469 int service_id, pmt_pid;
470 if (!tstools.findPMT(pmt_pid, service_id))
472 eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
473 m_reference.setServiceID(service_id);
478 m_reference = parser.m_ref;
482 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
484 eDebug("allocatePVRChannel failed!\n");
485 m_channel = m_pvr_channel;
488 ePtr<iDVBChannelList> db;
489 if (!m_resourceManager->getChannelList(db))
490 db->getService((eServiceReferenceDVB&)m_reference, m_service);
494 m_channel->connectStateChange(
495 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
496 m_channelStateChanged_connection);
497 m_last_channel_state = -1;
498 channelStateChanged(m_channel);
500 m_channel->connectEvent(
501 slot(*this, &eDVBServicePMTHandler::channelEvent),
502 m_channelEvent_connection);
505 serviceEvent(eventTuneFailed);
511 m_pvr_channel->setCueSheet(cue);
512 m_pvr_channel->playFile(ref.path.c_str());
518 void eDVBServicePMTHandler::free()
522 int demuxes[2] = {0,0};
524 m_demux->getCADemuxID(tmp);
526 if (m_decode_demux_num != 0xFF)
527 demuxes[1]=m_decode_demux_num;
529 demuxes[1]=demuxes[0];
530 ePtr<eTable<ProgramMapSection> > ptr;
531 m_PMT.getCurrent(ptr);
532 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
533 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
539 m_pvr_channel->stopFile();
540 m_pvr_channel->setCueSheet(0);
550 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
552 eDVBCAService::eDVBCAService()
553 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
555 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
556 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
560 eDVBCAService::~eDVBCAService()
562 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
566 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
568 CAServiceMap::iterator it = exist.find(ref);
569 if ( it != exist.end() )
570 caservice = it->second;
573 caservice = (exist[ref]=new eDVBCAService());
574 caservice->m_service = ref;
575 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
578 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
579 for (int i=0; i < loops; ++i)
581 // search free demux entry
582 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
584 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
587 if ( iter < max_demux_slots )
589 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
590 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
594 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
601 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
603 CAServiceMap::iterator it = exist.find(ref);
604 if ( it == exist.end() )
606 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
611 eDVBCAService *caservice = it->second;
612 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
613 for (int i=0; i < loops; ++i)
617 used_demux_slots = 0,
618 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
619 while ( iter < max_demux_slots )
621 if ( caservice->m_used_demux[iter] != 0xFF )
623 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
625 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
626 caservice->m_used_demux[iter] = 0xFF;
635 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
638 if (!used_demux_slots) // no more used.. so we remove it
646 it->second->buildCAPMT(ptr);
648 eDebug("[eDVBCAService] can not send updated demux info");
656 void eDVBCAService::Connect()
658 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
659 m_servaddr.sun_family = AF_UNIX;
660 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
661 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
662 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
663 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
664 fcntl(m_sock, F_SETFL, O_NONBLOCK);
666 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
669 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
674 eDVBTableSpec table_spec;
675 ptr->getSpec(table_spec);
677 int pmtpid = table_spec.pid,
678 pmt_version = table_spec.version;
680 uint8_t demux_mask = 0;
683 int iter=0, max_demux_slots = sizeof(m_used_demux);
684 while ( iter < max_demux_slots )
686 if ( m_used_demux[iter] != 0xFF )
688 if ( m_used_demux[iter] > data_demux )
689 data_demux = m_used_demux[iter];
690 demux_mask |= (1 << m_used_demux[iter]);
695 if ( data_demux == -1 )
697 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
701 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
703 unsigned int build_hash = (pmtpid << 16);
704 build_hash |= (demux_mask << 8);
705 build_hash |= (pmt_version&0xFF);
707 if ( build_hash == m_prev_build_hash )
709 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
713 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
714 if ( i != ptr->getSections().end() )
716 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
718 while( i != ptr->getSections().end() )
724 // add our private descriptors to capmt
727 tmp[0]=0x84; // pmt pid
731 capmt.injectDescriptor(tmp, false);
733 tmp[0] = 0x82; // demux
735 tmp[2] = demux_mask; // descramble bitmask
736 tmp[3] = data_demux&0xFF; // read section data from demux number
737 capmt.injectDescriptor(tmp, false);
739 tmp[0] = 0x81; // dvbnamespace
741 tmp[2] = m_service.getDVBNamespace().get()>>24;
742 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
743 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
744 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
745 tmp[6]=m_service.getTransportStreamID().get()>>8;
746 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
747 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
748 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
749 capmt.injectDescriptor(tmp, false);
751 capmt.writeToBuffer(m_capmt);
754 m_prev_build_hash = build_hash;
756 if ( m_sendstate != 0xFFFFFFFF )
761 void eDVBCAService::sendCAPMT()
763 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
770 if ( m_capmt[3] & 0x80 )
773 int lenbytes = m_capmt[3] & ~0x80;
775 wp = (wp << 8) | m_capmt[4 + i++];
785 if ( write(m_sock, m_capmt, wp) == wp )
787 m_sendstate=0xFFFFFFFF;
788 eDebug("[eDVBCAService] send %d bytes",wp);
790 for(int i=0;i<wp;i++)
791 eDebugNoNewLine("%02x ", m_capmt[i]);
801 m_retryTimer.start(0,true);
802 // eDebug("[eDVBCAService] send failed .. immediate retry");
805 m_retryTimer.start(5000,true);
806 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");