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 <lib/dvb/scan.h>
9 #include <dvbsi++/ca_descriptor.h>
10 #include <dvbsi++/ca_program_map_section.h>
11 #include <dvbsi++/teletext_descriptor.h>
12 #include <dvbsi++/descriptor_tag.h>
13 #include <dvbsi++/iso639_language_descriptor.h>
14 #include <dvbsi++/stream_identifier_descriptor.h>
15 #include <dvbsi++/subtitling_descriptor.h>
17 eDVBServicePMTHandler::eDVBServicePMTHandler()
18 :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
20 m_use_decode_demux = 0;
22 eDVBResourceManager::getInstance(m_resourceManager);
23 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
24 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
27 eDVBServicePMTHandler::~eDVBServicePMTHandler()
32 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
35 channel->getState(state);
37 if ((m_last_channel_state != iDVBChannel::state_ok)
38 && (state == iDVBChannel::state_ok) && (!m_demux))
41 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
42 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
44 serviceEvent(eventTuned);
48 eDebug("ok ... now we start!!");
51 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
53 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
55 if ( m_service && !m_service->cacheEmpty() )
56 serviceEvent(eventNewProgramInfo);
58 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
59 (state == iDVBChannel::state_failed))
61 eDebug("tune failed.");
62 serviceEvent(eventTuneFailed);
66 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
70 case iDVBChannel::evtEOF:
71 serviceEvent(eventEOF);
73 case iDVBChannel::evtSOF:
74 serviceEvent(eventSOF);
81 void eDVBServicePMTHandler::PMTready(int error)
84 serviceEvent(eventNoPMT);
87 m_have_cached_program = false;
88 serviceEvent(eventNewProgramInfo);
89 eEPGCache::getInstance()->PMTready(this);
90 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
94 int demuxes[2] = {0,0};
96 m_demux->getCADemuxID(tmp);
98 if (m_decode_demux_num != 0xFF)
99 demuxes[1]=m_decode_demux_num;
101 demuxes[1]=demuxes[0];
102 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
103 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
105 eDVBCIInterfaces::getInstance()->gotPMT(this);
109 ePtr<eTable<ProgramMapSection> > ptr;
110 if (!m_PMT.getCurrent(ptr))
111 m_ca_servicePtr->buildCAPMT(ptr);
113 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
118 void eDVBServicePMTHandler::PATready(int)
120 ePtr<eTable<ProgramAssociationSection> > ptr;
121 if (!m_PAT.getCurrent(ptr))
124 std::vector<ProgramAssociationSection*>::const_iterator i;
125 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
127 const ProgramAssociationSection &pat = **i;
128 ProgramAssociationConstIterator program;
129 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
130 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
131 pmtpid = (*program)->getProgramMapPid();
134 serviceEvent(eventNoPATEntry);
136 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
138 serviceEvent(eventNoPAT);
141 PyObject *eDVBServicePMTHandler::getCaIds()
147 if ( !getProgramInfo(prog) )
149 int cnt=prog.caids.size();
153 std::set<uint16_t>::iterator it(prog.caids.begin());
155 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
159 return ret ? ret : PyList_New(0);
162 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
164 ePtr<eTable<ProgramMapSection> > ptr;
165 int cached_apid_ac3 = -1;
166 int cached_apid_mpeg = -1;
167 int cached_vpid = -1;
168 int cached_tpid = -1;
171 program.videoStreams.clear();
172 program.audioStreams.clear();
175 program.textPid = -1;
177 if ( m_service && !m_service->cacheEmpty() )
179 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
180 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
181 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
182 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
185 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
187 if (m_have_cached_program)
189 program = m_cached_program;
194 eDVBTableSpec table_spec;
195 ptr->getSpec(table_spec);
196 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
197 std::vector<ProgramMapSection*>::const_iterator i;
198 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
200 const ProgramMapSection &pmt = **i;
201 program.pcrPid = pmt.getPcrPid();
203 ElementaryStreamInfoConstIterator es;
204 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
206 int isaudio = 0, isvideo = 0;
209 audio.component_tag=video.component_tag=-1;
210 video.type = videoStream::vtMPEG2;
212 switch ((*es)->getType())
214 case 0x1b: // AVC Video Stream (MPEG4 H264)
215 video.type = videoStream::vtMPEG4_H264;
216 case 0x01: // MPEG 1 video
217 case 0x02: // MPEG 2 video
219 //break; fall through !!!
220 case 0x03: // MPEG 1 audio
221 case 0x04: // MPEG 2 audio:
225 audio.type = audioStream::atMPEG;
227 //break; fall through !!!
228 case 0x06: // PES Private
229 /* PES private can contain AC-3, DTS or lots of other stuff.
230 check descriptors to get the exact type. */
231 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
232 desc != (*es)->getDescriptors()->end(); ++desc)
234 switch ((*desc)->getTag())
236 case SUBTITLING_DESCRIPTOR:
238 SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
239 const SubtitlingList *list = d->getSubtitlings();
241 s.pid = (*es)->getPid();
242 for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
244 s.subtitling_type = (*it)->getSubtitlingType();
245 s.composition_page_id = (*it)->getCompositionPageId();
246 s.ancillary_page_id = (*it)->getAncillaryPageId();
247 s.language_code = (*it)->getIso639LanguageCode();
248 eDebug("add subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
249 s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
250 program.subtitleStreams.push_back(s);
254 case TELETEXT_DESCRIPTOR:
255 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
256 program.textPid = (*es)->getPid();
260 audio.type = audioStream::atDTS;
264 audio.type = audioStream::atAAC;
268 audio.type = audioStream::atAC3;
270 case ISO_639_LANGUAGE_DESCRIPTOR:
273 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
274 /* use last language code */
275 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
276 audio.language_code = (*i)->getIso639LanguageCode();
279 case STREAM_IDENTIFIER_DESCRIPTOR:
280 audio.component_tag =
281 video.component_tag =
282 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
286 CaDescriptor *descr = (CaDescriptor*)(*desc);
287 program.caids.insert(descr->getCaSystemId());
296 audio.pid = (*es)->getPid();
297 if ( !program.audioStreams.empty() &&
298 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
300 program.audioStreams.push_back(program.audioStreams[0]);
301 program.audioStreams[0] = audio;
304 program.audioStreams.push_back(audio);
308 video.pid = (*es)->getPid();
309 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
311 program.videoStreams.push_back(program.videoStreams[0]);
312 program.videoStreams[0] = video;
315 program.videoStreams.push_back(video);
320 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
321 desc != pmt.getDescriptors()->end(); ++desc)
323 if ((*desc)->getTag() == CA_DESCRIPTOR)
325 CaDescriptor *descr = (CaDescriptor*)(*desc);
326 program.caids.insert(descr->getCaSystemId());
331 m_cached_program = program;
332 m_have_cached_program = true;
334 } else if ( m_service && !m_service->cacheEmpty() )
336 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
337 vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
339 if ( vpidtype == -1 )
340 vpidtype = videoStream::vtMPEG2;
341 if ( cached_vpid != -1 )
346 program.videoStreams.push_back(s);
349 if ( cached_apid_ac3 != -1 )
352 s.type = audioStream::atAC3;
353 s.pid = cached_apid_ac3;
354 program.audioStreams.push_back(s);
357 if ( cached_apid_mpeg != -1 )
360 s.type = audioStream::atMPEG;
361 s.pid = cached_apid_mpeg;
362 program.audioStreams.push_back(s);
365 if ( cached_pcrpid != -1 )
368 program.pcrPid = cached_pcrpid;
370 if ( cached_tpid != -1 )
373 program.textPid = cached_tpid;
375 CAID_LIST &caids = m_service->m_ca;
376 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
377 program.caids.insert(*it);
384 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
393 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
402 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
405 /* if we're using the decoding demux as data source
406 (for example in pvr playbacks), return that one. */
407 if (m_use_decode_demux)
413 ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
415 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
417 demux->getCADemuxID(m_decode_demux_num);
422 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
424 pvr_channel = m_pvr_channel;
431 void eDVBServicePMTHandler::SDTScanEvent(int event)
435 case eDVBScan::evtFinish:
437 ePtr<iDVBChannelList> db;
438 if (m_resourceManager->getChannelList(db) != 0)
439 eDebug("no channel list");
442 m_dvb_scan->insertInto(db, true);
443 eDebug("sdt update done!");
453 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
458 m_use_decode_demux = use_decode_demux;
460 /* is this a normal (non PVR) channel? */
461 if (ref.path.empty())
464 ref.getChannelID(chid);
465 res = m_resourceManager->allocateChannel(chid, m_channel);
466 eDebug("allocate Channel: res %d", res);
468 ePtr<iDVBChannelList> db;
469 if (!m_resourceManager->getChannelList(db))
470 db->getService((eServiceReferenceDVB&)m_reference, m_service);
473 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
476 eDVBMetaParser parser;
478 if (parser.parseFile(ref.path))
480 eWarning("no .meta file found, trying to find PMT pid");
482 if (tstools.openFile(ref.path.c_str()))
483 eWarning("failed to open file");
486 int service_id, pmt_pid;
487 if (!tstools.findPMT(pmt_pid, service_id))
489 eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
490 m_reference.setServiceID(service_id);
495 m_reference = parser.m_ref;
499 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
501 eDebug("allocatePVRChannel failed!\n");
502 m_channel = m_pvr_channel;
507 m_channel->connectStateChange(
508 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
509 m_channelStateChanged_connection);
510 m_last_channel_state = -1;
511 channelStateChanged(m_channel);
513 m_channel->connectEvent(
514 slot(*this, &eDVBServicePMTHandler::channelEvent),
515 m_channelEvent_connection);
517 if (ref.path.empty())
520 m_dvb_scan = new eDVBScan(m_channel, false, false);
521 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
525 serviceEvent(eventTuneFailed);
531 m_pvr_channel->setCueSheet(cue);
532 m_pvr_channel->playFile(ref.path.c_str());
538 void eDVBServicePMTHandler::free()
545 int demuxes[2] = {0,0};
547 m_demux->getCADemuxID(tmp);
549 if (m_decode_demux_num != 0xFF)
550 demuxes[1]=m_decode_demux_num;
552 demuxes[1]=demuxes[0];
553 ePtr<eTable<ProgramMapSection> > ptr;
554 m_PMT.getCurrent(ptr);
555 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
560 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
564 m_pvr_channel->stopFile();
565 m_pvr_channel->setCueSheet(0);
575 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
577 eDVBCAService::eDVBCAService()
578 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
580 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
581 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
585 eDVBCAService::~eDVBCAService()
587 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
591 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
593 CAServiceMap::iterator it = exist.find(ref);
594 if ( it != exist.end() )
595 caservice = it->second;
598 caservice = (exist[ref]=new eDVBCAService());
599 caservice->m_service = ref;
600 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
603 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
604 for (int i=0; i < loops; ++i)
606 // search free demux entry
607 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
609 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
612 if ( iter < max_demux_slots )
614 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
615 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
619 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
626 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
628 CAServiceMap::iterator it = exist.find(ref);
629 if ( it == exist.end() )
631 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
636 eDVBCAService *caservice = it->second;
637 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
638 for (int i=0; i < loops; ++i)
642 used_demux_slots = 0,
643 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
644 while ( iter < max_demux_slots )
646 if ( caservice->m_used_demux[iter] != 0xFF )
648 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
650 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
651 caservice->m_used_demux[iter] = 0xFF;
660 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
663 if (!used_demux_slots) // no more used.. so we remove it
671 it->second->buildCAPMT(ptr);
673 eDebug("[eDVBCAService] can not send updated demux info");
681 void eDVBCAService::Connect()
683 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
684 m_servaddr.sun_family = AF_UNIX;
685 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
686 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
687 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
688 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
689 fcntl(m_sock, F_SETFL, O_NONBLOCK);
691 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
694 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
699 eDVBTableSpec table_spec;
700 ptr->getSpec(table_spec);
702 int pmtpid = table_spec.pid,
703 pmt_version = table_spec.version;
705 uint8_t demux_mask = 0;
708 int iter=0, max_demux_slots = sizeof(m_used_demux);
709 while ( iter < max_demux_slots )
711 if ( m_used_demux[iter] != 0xFF )
713 if ( m_used_demux[iter] > data_demux )
714 data_demux = m_used_demux[iter];
715 demux_mask |= (1 << m_used_demux[iter]);
720 if ( data_demux == -1 )
722 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
726 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
728 unsigned int build_hash = (pmtpid << 16);
729 build_hash |= (demux_mask << 8);
730 build_hash |= (pmt_version&0xFF);
732 if ( build_hash == m_prev_build_hash )
734 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
738 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
739 if ( i != ptr->getSections().end() )
741 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
743 while( i != ptr->getSections().end() )
749 // add our private descriptors to capmt
752 tmp[0]=0x84; // pmt pid
756 capmt.injectDescriptor(tmp, false);
758 tmp[0] = 0x82; // demux
760 tmp[2] = demux_mask; // descramble bitmask
761 tmp[3] = data_demux&0xFF; // read section data from demux number
762 capmt.injectDescriptor(tmp, false);
764 tmp[0] = 0x81; // dvbnamespace
766 tmp[2] = m_service.getDVBNamespace().get()>>24;
767 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
768 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
769 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
770 tmp[6]=m_service.getTransportStreamID().get()>>8;
771 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
772 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
773 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
774 capmt.injectDescriptor(tmp, false);
776 capmt.writeToBuffer(m_capmt);
779 m_prev_build_hash = build_hash;
781 if ( m_sendstate != 0xFFFFFFFF )
786 void eDVBCAService::sendCAPMT()
788 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
795 if ( m_capmt[3] & 0x80 )
798 int lenbytes = m_capmt[3] & ~0x80;
800 wp = (wp << 8) | m_capmt[4 + i++];
810 if ( write(m_sock, m_capmt, wp) == wp )
812 m_sendstate=0xFFFFFFFF;
813 eDebug("[eDVBCAService] send %d bytes",wp);
815 for(int i=0;i<wp;i++)
816 eDebugNoNewLine("%02x ", m_capmt[i]);
826 m_retryTimer.start(0,true);
827 // eDebug("[eDVBCAService] send failed .. immediate retry");
830 m_retryTimer.start(5000,true);
831 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");