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_program_map_section.h>
9 #include <dvbsi++/teletext_descriptor.h>
10 #include <dvbsi++/descriptor_tag.h>
11 #include <dvbsi++/iso639_language_descriptor.h>
12 #include <dvbsi++/stream_identifier_descriptor.h>
14 eDVBServicePMTHandler::eDVBServicePMTHandler()
17 m_use_decode_demux = 0;
18 eDVBResourceManager::getInstance(m_resourceManager);
19 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
20 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
23 eDVBServicePMTHandler::~eDVBServicePMTHandler()
27 eDebug("unregister caservice");
29 m_demux->getCADemuxID(demux_num);
30 ePtr<eTable<ProgramMapSection> > ptr;
31 m_PMT.getCurrent(ptr);
32 eDVBCAService::unregister_service(m_reference, demux_num, ptr);
33 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
37 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
40 channel->getState(state);
42 if ((m_last_channel_state != iDVBChannel::state_ok)
43 && (state == iDVBChannel::state_ok) && (!m_demux))
46 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
47 eDebug("Allocating a demux for now tuned-in channel failed.");
49 serviceEvent(eventTuned);
53 eDebug("ok ... now we start!!");
55 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
57 if ( m_service && !m_service->cacheEmpty() )
58 serviceEvent(eventNewProgramInfo);
60 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
61 (state == iDVBChannel::state_failed))
63 eDebug("tune failed.");
64 serviceEvent(eventTuneFailed);
68 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
72 case iDVBChannel::evtEOF:
73 serviceEvent(eventEOF);
80 void eDVBServicePMTHandler::PMTready(int error)
83 serviceEvent(eventNoPMT);
86 serviceEvent(eventNewProgramInfo);
87 eEPGCache::getInstance()->PMTready(this);
90 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
93 m_demux->getCADemuxID(demux_num);
94 eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
95 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
97 eDVBCIInterfaces::getInstance()->gotPMT(this);
101 ePtr<eTable<ProgramMapSection> > ptr;
102 if (!m_PMT.getCurrent(ptr))
103 m_ca_servicePtr->buildCAPMT(ptr);
105 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
110 void eDVBServicePMTHandler::PATready(int)
112 ePtr<eTable<ProgramAssociationSection> > ptr;
113 if (!m_PAT.getCurrent(ptr))
116 std::vector<ProgramAssociationSection*>::const_iterator i;
117 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
119 const ProgramAssociationSection &pat = **i;
120 ProgramAssociationConstIterator program;
121 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
122 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
123 pmtpid = (*program)->getProgramMapPid();
126 serviceEvent(eventNoPATEntry);
128 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
130 serviceEvent(eventNoPAT);
133 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
135 ePtr<eTable<ProgramMapSection> > ptr;
137 program.videoStreams.clear();
138 program.audioStreams.clear();
140 program.isCrypted = false;
142 program.textPid = -1;
144 if (!m_PMT.getCurrent(ptr))
146 int cached_apid_ac3 = -1;
147 int cached_apid_mpeg = -1;
148 int cached_vpid = -1;
149 int cached_tpid = -1;
150 if ( m_service && !m_service->cacheEmpty() )
152 cached_vpid = m_service->getCachePID(eDVBService::cVPID);
153 cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
154 cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
155 cached_tpid = m_service->getCachePID(eDVBService::cTPID);
157 eDVBTableSpec table_spec;
158 ptr->getSpec(table_spec);
159 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
160 std::vector<ProgramMapSection*>::const_iterator i;
161 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
163 const ProgramMapSection &pmt = **i;
164 program.pcrPid = pmt.getPcrPid();
166 ElementaryStreamInfoConstIterator es;
167 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
169 int isaudio = 0, isvideo = 0, cadescriptors = 0;
172 audio.component_tag=-1;
173 video.component_tag=-1;
175 video.pid = (*es)->getPid();
176 audio.pid = (*es)->getPid();
178 switch ((*es)->getType())
180 case 0x01: // MPEG 1 video
181 case 0x02: // MPEG 2 video
183 //break; fall through !!!
184 case 0x03: // MPEG 1 audio
185 case 0x04: // MPEG 2 audio:
189 audio.type = audioStream::atMPEG;
191 //break; fall through !!!
192 case 0x06: // PES Private
193 /* PES private can contain AC-3, DTS or lots of other stuff.
194 check descriptors to get the exact type. */
195 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
196 desc != (*es)->getDescriptors()->end(); ++desc)
198 switch ((*desc)->getTag())
200 case TELETEXT_DESCRIPTOR:
201 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
202 program.textPid = (*es)->getPid();
208 audio.type = audioStream::atAC3;
211 case ISO_639_LANGUAGE_DESCRIPTOR:
214 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
215 /* use last language code */
216 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
217 audio.language_code = (*i)->getIso639LanguageCode();
220 case STREAM_IDENTIFIER_DESCRIPTOR:
221 audio.component_tag =
222 video.component_tag =
223 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
234 if ( !program.audioStreams.empty() &&
235 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
237 program.audioStreams.push_back(program.audioStreams[0]);
238 program.audioStreams[0] = audio;
241 program.audioStreams.push_back(audio);
245 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
247 program.videoStreams.push_back(program.videoStreams[0]);
248 program.videoStreams[0] = video;
251 program.videoStreams.push_back(video);
255 if ( cadescriptors > 0 )
256 program.isCrypted=true;
258 if ( !program.isCrypted )
260 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
261 desc != pmt.getDescriptors()->end(); ++desc)
263 switch ((*desc)->getTag())
266 program.isCrypted=true;
274 } else if ( m_service && !m_service->cacheEmpty() )
276 int vpid = m_service->getCachePID(eDVBService::cVPID),
277 apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
278 apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
279 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
280 tpid = m_service->getCachePID(eDVBService::cTPID),
286 program.videoStreams.push_back(s);
289 if ( apid_ac3 != -1 )
292 s.type = audioStream::atAC3;
294 program.audioStreams.push_back(s);
297 if ( apid_mpeg != -1 )
300 s.type = audioStream::atMPEG;
302 program.audioStreams.push_back(s);
308 program.pcrPid = pcrpid;
313 program.textPid = tpid;
321 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
330 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
339 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
341 /* if we're using the decoding demux as data source
342 (for example in pvr playbacks), return that one. */
343 if (m_use_decode_demux)
349 return m_channel->getDemux(demux, iDVBChannel::capDecode);
352 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
354 pvr_channel = m_pvr_channel;
361 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux)
366 m_use_decode_demux = use_decode_demux;
368 /* is this a normal (non PVR) channel? */
369 if (ref.path.empty())
372 ref.getChannelID(chid);
373 res = m_resourceManager->allocateChannel(chid, m_channel);
374 eDebug("allocate Channel: res %d", res);
377 eDVBMetaParser parser;
379 if (parser.parseFile(ref.path))
380 eWarning("no .meta file found, trying original service ref.");
382 m_reference = parser.m_ref;
386 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
388 eDebug("allocatePVRChannel failed!\n");
389 m_channel = m_pvr_channel;
394 m_channel->connectStateChange(
395 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
396 m_channelStateChanged_connection);
397 m_last_channel_state = -1;
398 channelStateChanged(m_channel);
400 m_channel->connectEvent(
401 slot(*this, &eDVBServicePMTHandler::channelEvent),
402 m_channelEvent_connection);
405 serviceEvent(eventTuneFailed);
410 m_pvr_channel->playFile(ref.path.c_str());
412 ePtr<iDVBChannelList> db;
413 if (!m_resourceManager->getChannelList(db))
414 db->getService((eServiceReferenceDVB&)m_reference, m_service);
419 void eDVBServicePMTHandler::free()
429 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
431 eDVBCAService::eDVBCAService()
432 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
434 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
435 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
439 eDVBCAService::~eDVBCAService()
441 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
445 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
447 CAServiceMap::iterator it = exist.find(ref);
448 if ( it != exist.end() )
449 caservice = it->second;
452 caservice = (exist[ref]=new eDVBCAService());
453 caservice->m_service = ref;
454 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
456 // search free demux entry
457 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
459 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
462 if ( iter < max_demux_slots )
464 caservice->m_used_demux[iter] = demux_num & 0xFF;
465 eDebug("[eDVBCAService] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
469 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
475 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
477 CAServiceMap::iterator it = exist.find(ref);
478 if ( it == exist.end() )
480 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
485 eDVBCAService *caservice = it->second;
488 used_demux_slots = 0,
489 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
490 while ( iter < max_demux_slots )
492 if ( caservice->m_used_demux[iter] != 0xFF )
494 if ( !freed && caservice->m_used_demux[iter] == demux_num )
496 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
497 caservice->m_used_demux[iter] = 0xFF;
507 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
510 if (!used_demux_slots) // no more used.. so we remove it
518 it->second->buildCAPMT(ptr);
520 eDebug("[eDVBCAService] can not send updated demux info");
526 void eDVBCAService::Connect()
528 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
529 m_servaddr.sun_family = AF_UNIX;
530 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
531 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
532 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
533 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
534 fcntl(m_sock, F_SETFL, O_NONBLOCK);
536 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
539 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
544 eDVBTableSpec table_spec;
545 ptr->getSpec(table_spec);
547 int pmtpid = table_spec.pid,
548 pmt_version = table_spec.version;
550 uint8_t demux_mask = 0;
551 uint8_t first_demux_num = 0xFF;
554 int iter=0, max_demux_slots = sizeof(m_used_demux);
555 while ( iter < max_demux_slots )
557 if ( m_used_demux[iter] != 0xFF )
559 if ( first_demux_num == 0xFF )
560 first_demux_num = m_used_demux[iter];
561 demux_mask |= (1 << m_used_demux[iter]);
570 if ( first_demux_num == 0xFF )
572 eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
576 eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
578 unsigned int build_hash = (pmtpid << 16);
579 build_hash |= (demux_mask << 8);
580 build_hash |= (pmt_version&0xFF);
582 if ( build_hash == m_prev_build_hash )
584 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
588 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
589 if ( i != ptr->getSections().end() )
591 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
593 while( i != ptr->getSections().end() )
599 // add our private descriptors to capmt
602 tmp[0]=0x84; // pmt pid
606 capmt.injectDescriptor(tmp, false);
608 tmp[0] = 0x82; // demux
610 tmp[2] = demux_mask; // descramble bitmask
611 tmp[3] = first_demux_num; // read section data from demux number
612 capmt.injectDescriptor(tmp, false);
614 tmp[0] = 0x81; // dvbnamespace
616 tmp[2] = m_service.getDVBNamespace().get()>>24;
617 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
618 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
619 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
620 tmp[6]=m_service.getTransportStreamID().get()>>8;
621 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
622 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
623 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
624 capmt.injectDescriptor(tmp, false);
626 capmt.writeToBuffer(m_capmt);
629 m_prev_build_hash = build_hash;
631 if ( m_sendstate != 0xFFFFFFFF )
636 void eDVBCAService::sendCAPMT()
638 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
645 if ( m_capmt[3] & 0x80 )
648 int lenbytes = m_capmt[3] & ~0x80;
650 wp = (wp << 8) | m_capmt[4 + i++];
660 if ( write(m_sock, m_capmt, wp) == wp )
662 m_sendstate=0xFFFFFFFF;
663 eDebug("[eDVBCAService] send %d bytes",wp);
665 for(int i=0;i<wp;i++)
666 eDebugNoNewLine("%02x ", m_capmt[i]);
676 m_retryTimer.start(0,true);
677 // eDebug("[eDVBCAService] send failed .. immediate retry");
680 m_retryTimer.start(5000,true);
681 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");