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();
103 eDVBCIInterfaces::getInstance()->gotPMT(this);
107 ePtr<eTable<ProgramMapSection> > ptr;
108 if (!m_PMT.getCurrent(ptr))
109 m_ca_servicePtr->buildCAPMT(ptr);
111 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
116 void eDVBServicePMTHandler::PATready(int)
118 ePtr<eTable<ProgramAssociationSection> > ptr;
119 if (!m_PAT.getCurrent(ptr))
122 std::vector<ProgramAssociationSection*>::const_iterator i;
123 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
125 const ProgramAssociationSection &pat = **i;
126 ProgramAssociationConstIterator program;
127 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
128 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
129 pmtpid = (*program)->getProgramMapPid();
132 serviceEvent(eventNoPATEntry);
134 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
136 serviceEvent(eventNoPAT);
139 PyObject *eDVBServicePMTHandler::getCaIds()
145 if ( !getProgramInfo(prog) )
147 int cnt=prog.caids.size();
151 std::set<uint16_t>::iterator it(prog.caids.begin());
153 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
157 return ret ? ret : PyList_New(0);
160 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
162 ePtr<eTable<ProgramMapSection> > ptr;
163 int cached_apid_ac3 = -1;
164 int cached_apid_mpeg = -1;
165 int cached_vpid = -1;
166 int cached_tpid = -1;
168 program.videoStreams.clear();
169 program.audioStreams.clear();
172 program.textPid = -1;
174 if ( m_service && !m_service->cacheEmpty() )
176 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
177 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
178 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
179 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
182 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
184 eDVBTableSpec table_spec;
185 ptr->getSpec(table_spec);
186 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
187 std::vector<ProgramMapSection*>::const_iterator i;
188 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
190 const ProgramMapSection &pmt = **i;
191 program.pcrPid = pmt.getPcrPid();
193 ElementaryStreamInfoConstIterator es;
194 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
196 int isaudio = 0, isvideo = 0;
199 audio.component_tag=-1;
200 video.component_tag=-1;
202 video.pid = (*es)->getPid();
203 audio.pid = (*es)->getPid();
204 video.type = videoStream::vtMPEG2;
206 switch ((*es)->getType())
208 case 0x1b: // AVC Video Stream (MPEG4 H264)
209 video.type = videoStream::vtMPEG4_H264;
210 case 0x01: // MPEG 1 video
211 case 0x02: // MPEG 2 video
213 //break; fall through !!!
214 case 0x03: // MPEG 1 audio
215 case 0x04: // MPEG 2 audio:
219 audio.type = audioStream::atMPEG;
221 //break; fall through !!!
222 case 0x06: // PES Private
223 /* PES private can contain AC-3, DTS or lots of other stuff.
224 check descriptors to get the exact type. */
225 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
226 desc != (*es)->getDescriptors()->end(); ++desc)
228 switch ((*desc)->getTag())
230 case TELETEXT_DESCRIPTOR:
231 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
232 program.textPid = (*es)->getPid();
238 audio.type = audioStream::atDTS;
245 audio.type = audioStream::atAAC;
252 audio.type = audioStream::atAC3;
255 case ISO_639_LANGUAGE_DESCRIPTOR:
258 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
259 /* use last language code */
260 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
261 audio.language_code = (*i)->getIso639LanguageCode();
264 case STREAM_IDENTIFIER_DESCRIPTOR:
265 audio.component_tag =
266 video.component_tag =
267 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
271 CaDescriptor *descr = (CaDescriptor*)(*desc);
272 program.caids.insert(descr->getCaSystemId());
281 if ( !program.audioStreams.empty() &&
282 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
284 program.audioStreams.push_back(program.audioStreams[0]);
285 program.audioStreams[0] = audio;
288 program.audioStreams.push_back(audio);
292 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
294 program.videoStreams.push_back(program.videoStreams[0]);
295 program.videoStreams[0] = video;
298 program.videoStreams.push_back(video);
303 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
304 desc != pmt.getDescriptors()->end(); ++desc)
306 if ((*desc)->getTag() == CA_DESCRIPTOR)
308 CaDescriptor *descr = (CaDescriptor*)(*desc);
309 program.caids.insert(descr->getCaSystemId());
314 } else if ( m_service && !m_service->cacheEmpty() )
316 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
317 vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
319 if ( vpidtype == -1 )
320 vpidtype = videoStream::vtMPEG2;
321 if ( cached_vpid != -1 )
326 program.videoStreams.push_back(s);
329 if ( cached_apid_ac3 != -1 )
332 s.type = audioStream::atAC3;
333 s.pid = cached_apid_ac3;
334 program.audioStreams.push_back(s);
337 if ( cached_apid_mpeg != -1 )
340 s.type = audioStream::atMPEG;
341 s.pid = cached_apid_mpeg;
342 program.audioStreams.push_back(s);
345 if ( cached_pcrpid != -1 )
348 program.pcrPid = cached_pcrpid;
350 if ( cached_tpid != -1 )
353 program.textPid = cached_tpid;
355 CAID_LIST &caids = m_service->m_ca;
356 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
357 program.caids.insert(*it);
364 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
373 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
382 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
385 /* if we're using the decoding demux as data source
386 (for example in pvr playbacks), return that one. */
387 if (m_use_decode_demux)
393 ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
395 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
397 demux->getCADemuxID(m_decode_demux_num);
402 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
404 pvr_channel = m_pvr_channel;
411 void eDVBServicePMTHandler::SDTScanEvent(int event)
415 case eDVBScan::evtFinish:
417 ePtr<iDVBChannelList> db;
418 if (m_resourceManager->getChannelList(db) != 0)
419 eDebug("no channel list");
422 m_dvb_scan->insertInto(db, true);
423 eDebug("sdt update done!");
433 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
438 m_use_decode_demux = use_decode_demux;
440 /* is this a normal (non PVR) channel? */
441 if (ref.path.empty())
444 ref.getChannelID(chid);
445 res = m_resourceManager->allocateChannel(chid, m_channel);
446 eDebug("allocate Channel: res %d", res);
448 ePtr<iDVBChannelList> db;
449 if (!m_resourceManager->getChannelList(db))
450 db->getService((eServiceReferenceDVB&)m_reference, m_service);
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;
487 m_channel->connectStateChange(
488 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
489 m_channelStateChanged_connection);
490 m_last_channel_state = -1;
491 channelStateChanged(m_channel);
493 m_channel->connectEvent(
494 slot(*this, &eDVBServicePMTHandler::channelEvent),
495 m_channelEvent_connection);
497 if (ref.path.empty())
500 m_dvb_scan = new eDVBScan(m_channel, false, false);
501 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
505 serviceEvent(eventTuneFailed);
511 m_pvr_channel->setCueSheet(cue);
512 m_pvr_channel->playFile(ref.path.c_str());
518 void eDVBServicePMTHandler::free()
520 eDVBScan *tmp = m_dvb_scan; // do a copy on stack (recursive call of free()) !!!
526 int demuxes[2] = {0,0};
528 m_demux->getCADemuxID(tmp);
530 if (m_decode_demux_num != 0xFF)
531 demuxes[1]=m_decode_demux_num;
533 demuxes[1]=demuxes[0];
534 ePtr<eTable<ProgramMapSection> > ptr;
535 m_PMT.getCurrent(ptr);
536 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
541 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
545 m_pvr_channel->stopFile();
546 m_pvr_channel->setCueSheet(0);
556 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
558 eDVBCAService::eDVBCAService()
559 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
561 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
562 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
566 eDVBCAService::~eDVBCAService()
568 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
572 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
574 CAServiceMap::iterator it = exist.find(ref);
575 if ( it != exist.end() )
576 caservice = it->second;
579 caservice = (exist[ref]=new eDVBCAService());
580 caservice->m_service = ref;
581 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
584 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
585 for (int i=0; i < loops; ++i)
587 // search free demux entry
588 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
590 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
593 if ( iter < max_demux_slots )
595 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
596 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
600 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
607 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
609 CAServiceMap::iterator it = exist.find(ref);
610 if ( it == exist.end() )
612 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
617 eDVBCAService *caservice = it->second;
618 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
619 for (int i=0; i < loops; ++i)
623 used_demux_slots = 0,
624 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
625 while ( iter < max_demux_slots )
627 if ( caservice->m_used_demux[iter] != 0xFF )
629 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
631 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
632 caservice->m_used_demux[iter] = 0xFF;
641 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
644 if (!used_demux_slots) // no more used.. so we remove it
652 it->second->buildCAPMT(ptr);
654 eDebug("[eDVBCAService] can not send updated demux info");
662 void eDVBCAService::Connect()
664 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
665 m_servaddr.sun_family = AF_UNIX;
666 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
667 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
668 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
669 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
670 fcntl(m_sock, F_SETFL, O_NONBLOCK);
672 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
675 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
680 eDVBTableSpec table_spec;
681 ptr->getSpec(table_spec);
683 int pmtpid = table_spec.pid,
684 pmt_version = table_spec.version;
686 uint8_t demux_mask = 0;
689 int iter=0, max_demux_slots = sizeof(m_used_demux);
690 while ( iter < max_demux_slots )
692 if ( m_used_demux[iter] != 0xFF )
694 if ( m_used_demux[iter] > data_demux )
695 data_demux = m_used_demux[iter];
696 demux_mask |= (1 << m_used_demux[iter]);
701 if ( data_demux == -1 )
703 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
707 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
709 unsigned int build_hash = (pmtpid << 16);
710 build_hash |= (demux_mask << 8);
711 build_hash |= (pmt_version&0xFF);
713 if ( build_hash == m_prev_build_hash )
715 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
719 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
720 if ( i != ptr->getSections().end() )
722 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
724 while( i != ptr->getSections().end() )
730 // add our private descriptors to capmt
733 tmp[0]=0x84; // pmt pid
737 capmt.injectDescriptor(tmp, false);
739 tmp[0] = 0x82; // demux
741 tmp[2] = demux_mask; // descramble bitmask
742 tmp[3] = data_demux&0xFF; // read section data from demux number
743 capmt.injectDescriptor(tmp, false);
745 tmp[0] = 0x81; // dvbnamespace
747 tmp[2] = m_service.getDVBNamespace().get()>>24;
748 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
749 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
750 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
751 tmp[6]=m_service.getTransportStreamID().get()>>8;
752 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
753 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
754 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
755 capmt.injectDescriptor(tmp, false);
757 capmt.writeToBuffer(m_capmt);
760 m_prev_build_hash = build_hash;
762 if ( m_sendstate != 0xFFFFFFFF )
767 void eDVBCAService::sendCAPMT()
769 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
776 if ( m_capmt[3] & 0x80 )
779 int lenbytes = m_capmt[3] & ~0x80;
781 wp = (wp << 8) | m_capmt[4 + i++];
791 if ( write(m_sock, m_capmt, wp) == wp )
793 m_sendstate=0xFFFFFFFF;
794 eDebug("[eDVBCAService] send %d bytes",wp);
796 for(int i=0;i<wp;i++)
797 eDebugNoNewLine("%02x ", m_capmt[i]);
807 m_retryTimer.start(0,true);
808 // eDebug("[eDVBCAService] send failed .. immediate retry");
811 m_retryTimer.start(5000,true);
812 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");