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>
16 eDVBServicePMTHandler::eDVBServicePMTHandler()
17 :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
19 m_use_decode_demux = 0;
21 eDVBResourceManager::getInstance(m_resourceManager);
22 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
23 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
26 eDVBServicePMTHandler::~eDVBServicePMTHandler()
31 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
34 channel->getState(state);
36 if ((m_last_channel_state != iDVBChannel::state_ok)
37 && (state == iDVBChannel::state_ok) && (!m_demux))
40 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
41 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
43 serviceEvent(eventTuned);
47 eDebug("ok ... now we start!!");
50 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
52 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
54 if ( m_service && !m_service->cacheEmpty() )
55 serviceEvent(eventNewProgramInfo);
57 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
58 (state == iDVBChannel::state_failed))
60 eDebug("tune failed.");
61 serviceEvent(eventTuneFailed);
65 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
69 case iDVBChannel::evtEOF:
70 serviceEvent(eventEOF);
72 case iDVBChannel::evtSOF:
73 serviceEvent(eventSOF);
80 void eDVBServicePMTHandler::PMTready(int error)
83 serviceEvent(eventNoPMT);
86 serviceEvent(eventNewProgramInfo);
87 eEPGCache::getInstance()->PMTready(this);
88 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
92 int demuxes[2] = {0,0};
94 m_demux->getCADemuxID(tmp);
96 if (m_decode_demux_num != 0xFF)
97 demuxes[1]=m_decode_demux_num;
99 demuxes[1]=demuxes[0];
100 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
101 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
104 eDVBCIInterfaces::getInstance()->gotPMT(this);
108 ePtr<eTable<ProgramMapSection> > ptr;
109 if (!m_PMT.getCurrent(ptr))
110 m_ca_servicePtr->buildCAPMT(ptr);
112 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
117 void eDVBServicePMTHandler::PATready(int)
119 ePtr<eTable<ProgramAssociationSection> > ptr;
120 if (!m_PAT.getCurrent(ptr))
123 std::vector<ProgramAssociationSection*>::const_iterator i;
124 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
126 const ProgramAssociationSection &pat = **i;
127 ProgramAssociationConstIterator program;
128 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
129 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
130 pmtpid = (*program)->getProgramMapPid();
133 serviceEvent(eventNoPATEntry);
135 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
137 serviceEvent(eventNoPAT);
140 PyObject *eDVBServicePMTHandler::getCaIds()
146 if ( !getProgramInfo(prog) )
148 int cnt=prog.caids.size();
152 std::set<uint16_t>::iterator it(prog.caids.begin());
154 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
158 return ret ? ret : PyList_New(0);
161 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
163 ePtr<eTable<ProgramMapSection> > ptr;
165 program.videoStreams.clear();
166 program.audioStreams.clear();
169 program.textPid = -1;
170 program.audioChannel = m_service ? m_service->getCacheEntry(eDVBService::cACHANNEL) : -1;
172 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
174 int cached_apid_ac3 = -1;
175 int cached_apid_mpeg = -1;
176 int cached_vpid = -1;
177 int cached_tpid = -1;
178 if ( m_service && !m_service->cacheEmpty() )
180 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
181 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
182 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
183 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
185 eDVBTableSpec table_spec;
186 ptr->getSpec(table_spec);
187 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
188 std::vector<ProgramMapSection*>::const_iterator i;
189 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
191 const ProgramMapSection &pmt = **i;
192 program.pcrPid = pmt.getPcrPid();
194 ElementaryStreamInfoConstIterator es;
195 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
197 int isaudio = 0, isvideo = 0;
200 audio.component_tag=-1;
201 video.component_tag=-1;
203 video.pid = (*es)->getPid();
204 audio.pid = (*es)->getPid();
205 video.type = videoStream::vtMPEG2;
207 switch ((*es)->getType())
209 case 0x1b: // AVC Video Stream (MPEG4 H264)
210 video.type = videoStream::vtMPEG4_H264;
211 case 0x01: // MPEG 1 video
212 case 0x02: // MPEG 2 video
214 //break; fall through !!!
215 case 0x03: // MPEG 1 audio
216 case 0x04: // MPEG 2 audio:
220 audio.type = audioStream::atMPEG;
222 //break; fall through !!!
223 case 0x06: // PES Private
224 /* PES private can contain AC-3, DTS or lots of other stuff.
225 check descriptors to get the exact type. */
226 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
227 desc != (*es)->getDescriptors()->end(); ++desc)
229 switch ((*desc)->getTag())
231 case TELETEXT_DESCRIPTOR:
232 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
233 program.textPid = (*es)->getPid();
239 audio.type = audioStream::atDTS;
246 audio.type = audioStream::atAAC;
253 audio.type = audioStream::atAC3;
256 case ISO_639_LANGUAGE_DESCRIPTOR:
259 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
260 /* use last language code */
261 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
262 audio.language_code = (*i)->getIso639LanguageCode();
265 case STREAM_IDENTIFIER_DESCRIPTOR:
266 audio.component_tag =
267 video.component_tag =
268 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
272 CaDescriptor *descr = (CaDescriptor*)(*desc);
273 program.caids.insert(descr->getCaSystemId());
282 if ( !program.audioStreams.empty() &&
283 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
285 program.audioStreams.push_back(program.audioStreams[0]);
286 program.audioStreams[0] = audio;
289 program.audioStreams.push_back(audio);
293 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
295 program.videoStreams.push_back(program.videoStreams[0]);
296 program.videoStreams[0] = video;
299 program.videoStreams.push_back(video);
304 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
305 desc != pmt.getDescriptors()->end(); ++desc)
307 if ((*desc)->getTag() == CA_DESCRIPTOR)
309 CaDescriptor *descr = (CaDescriptor*)(*desc);
310 program.caids.insert(descr->getCaSystemId());
315 } else if ( m_service && !m_service->cacheEmpty() )
317 int vpid = m_service->getCacheEntry(eDVBService::cVPID),
318 apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID),
319 apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID),
320 pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
321 tpid = m_service->getCacheEntry(eDVBService::cTPID),
322 vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
324 if ( vpidtype == -1 )
325 vpidtype = videoStream::vtMPEG2;
331 program.videoStreams.push_back(s);
334 if ( apid_ac3 != -1 )
337 s.type = audioStream::atAC3;
339 program.audioStreams.push_back(s);
342 if ( apid_mpeg != -1 )
345 s.type = audioStream::atMPEG;
347 program.audioStreams.push_back(s);
353 program.pcrPid = pcrpid;
358 program.textPid = tpid;
360 CAID_LIST &caids = m_service->m_ca;
361 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
362 program.caids.insert(*it);
369 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
378 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
387 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
390 /* if we're using the decoding demux as data source
391 (for example in pvr playbacks), return that one. */
392 if (m_use_decode_demux)
398 ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
400 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
402 demux->getCADemuxID(m_decode_demux_num);
407 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
409 pvr_channel = m_pvr_channel;
416 void eDVBServicePMTHandler::SDTScanEvent(int event)
420 case eDVBScan::evtFinish:
422 ePtr<iDVBChannelList> db;
423 if (m_resourceManager->getChannelList(db) != 0)
424 eDebug("no channel list");
427 m_dvb_scan->insertInto(db, true);
428 eDebug("sdt update done!");
438 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
443 m_use_decode_demux = use_decode_demux;
445 /* is this a normal (non PVR) channel? */
446 if (ref.path.empty())
449 ref.getChannelID(chid);
450 res = m_resourceManager->allocateChannel(chid, m_channel);
451 eDebug("allocate Channel: res %d", res);
453 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
456 eDVBMetaParser parser;
458 if (parser.parseFile(ref.path))
460 eWarning("no .meta file found, trying to find PMT pid");
462 if (tstools.openFile(ref.path.c_str()))
463 eWarning("failed to open file");
466 int service_id, pmt_pid;
467 if (!tstools.findPMT(pmt_pid, service_id))
469 eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
470 m_reference.setServiceID(service_id);
475 m_reference = parser.m_ref;
479 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
481 eDebug("allocatePVRChannel failed!\n");
482 m_channel = m_pvr_channel;
485 ePtr<iDVBChannelList> db;
486 if (!m_resourceManager->getChannelList(db))
487 db->getService((eServiceReferenceDVB&)m_reference, m_service);
491 m_channel->connectStateChange(
492 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
493 m_channelStateChanged_connection);
494 m_last_channel_state = -1;
495 channelStateChanged(m_channel);
497 m_channel->connectEvent(
498 slot(*this, &eDVBServicePMTHandler::channelEvent),
499 m_channelEvent_connection);
501 if (ref.path.empty())
504 m_dvb_scan = new eDVBScan(m_channel, false, false);
505 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
509 serviceEvent(eventTuneFailed);
515 m_pvr_channel->setCueSheet(cue);
516 m_pvr_channel->playFile(ref.path.c_str());
522 void eDVBServicePMTHandler::free()
524 eDVBScan *tmp = m_dvb_scan; // do a copy on stack (recursive call of free()) !!!
530 int demuxes[2] = {0,0};
532 m_demux->getCADemuxID(tmp);
534 if (m_decode_demux_num != 0xFF)
535 demuxes[1]=m_decode_demux_num;
537 demuxes[1]=demuxes[0];
538 ePtr<eTable<ProgramMapSection> > ptr;
539 m_PMT.getCurrent(ptr);
540 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
545 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
549 m_pvr_channel->stopFile();
550 m_pvr_channel->setCueSheet(0);
560 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
562 eDVBCAService::eDVBCAService()
563 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
565 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
566 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
570 eDVBCAService::~eDVBCAService()
572 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
576 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
578 CAServiceMap::iterator it = exist.find(ref);
579 if ( it != exist.end() )
580 caservice = it->second;
583 caservice = (exist[ref]=new eDVBCAService());
584 caservice->m_service = ref;
585 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
588 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
589 for (int i=0; i < loops; ++i)
591 // search free demux entry
592 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
594 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
597 if ( iter < max_demux_slots )
599 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
600 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
604 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
611 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
613 CAServiceMap::iterator it = exist.find(ref);
614 if ( it == exist.end() )
616 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
621 eDVBCAService *caservice = it->second;
622 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
623 for (int i=0; i < loops; ++i)
627 used_demux_slots = 0,
628 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
629 while ( iter < max_demux_slots )
631 if ( caservice->m_used_demux[iter] != 0xFF )
633 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
635 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
636 caservice->m_used_demux[iter] = 0xFF;
645 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
648 if (!used_demux_slots) // no more used.. so we remove it
656 it->second->buildCAPMT(ptr);
658 eDebug("[eDVBCAService] can not send updated demux info");
666 void eDVBCAService::Connect()
668 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
669 m_servaddr.sun_family = AF_UNIX;
670 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
671 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
672 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
673 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
674 fcntl(m_sock, F_SETFL, O_NONBLOCK);
676 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
679 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
684 eDVBTableSpec table_spec;
685 ptr->getSpec(table_spec);
687 int pmtpid = table_spec.pid,
688 pmt_version = table_spec.version;
690 uint8_t demux_mask = 0;
693 int iter=0, max_demux_slots = sizeof(m_used_demux);
694 while ( iter < max_demux_slots )
696 if ( m_used_demux[iter] != 0xFF )
698 if ( m_used_demux[iter] > data_demux )
699 data_demux = m_used_demux[iter];
700 demux_mask |= (1 << m_used_demux[iter]);
705 if ( data_demux == -1 )
707 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
711 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
713 unsigned int build_hash = (pmtpid << 16);
714 build_hash |= (demux_mask << 8);
715 build_hash |= (pmt_version&0xFF);
717 if ( build_hash == m_prev_build_hash )
719 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
723 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
724 if ( i != ptr->getSections().end() )
726 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
728 while( i != ptr->getSections().end() )
734 // add our private descriptors to capmt
737 tmp[0]=0x84; // pmt pid
741 capmt.injectDescriptor(tmp, false);
743 tmp[0] = 0x82; // demux
745 tmp[2] = demux_mask; // descramble bitmask
746 tmp[3] = data_demux&0xFF; // read section data from demux number
747 capmt.injectDescriptor(tmp, false);
749 tmp[0] = 0x81; // dvbnamespace
751 tmp[2] = m_service.getDVBNamespace().get()>>24;
752 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
753 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
754 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
755 tmp[6]=m_service.getTransportStreamID().get()>>8;
756 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
757 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
758 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
759 capmt.injectDescriptor(tmp, false);
761 capmt.writeToBuffer(m_capmt);
764 m_prev_build_hash = build_hash;
766 if ( m_sendstate != 0xFFFFFFFF )
771 void eDVBCAService::sendCAPMT()
773 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
780 if ( m_capmt[3] & 0x80 )
783 int lenbytes = m_capmt[3] & ~0x80;
785 wp = (wp << 8) | m_capmt[4 + i++];
795 if ( write(m_sock, m_capmt, wp) == wp )
797 m_sendstate=0xFFFFFFFF;
798 eDebug("[eDVBCAService] send %d bytes",wp);
800 for(int i=0;i<wp;i++)
801 eDebugNoNewLine("%02x ", m_capmt[i]);
811 m_retryTimer.start(0,true);
812 // eDebug("[eDVBCAService] send failed .. immediate retry");
815 m_retryTimer.start(5000,true);
816 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");