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()
15 :m_ca_servicePtr(0), m_decode_demux_num(0xFF)
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()
28 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
31 channel->getState(state);
33 if ((m_last_channel_state != iDVBChannel::state_ok)
34 && (state == iDVBChannel::state_ok) && (!m_demux))
37 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
38 eDebug("Allocating a demux for now tuned-in channel failed.");
40 serviceEvent(eventTuned);
44 eDebug("ok ... now we start!!");
46 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
48 if ( m_service && !m_service->cacheEmpty() )
49 serviceEvent(eventNewProgramInfo);
51 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
52 (state == iDVBChannel::state_failed))
54 eDebug("tune failed.");
55 serviceEvent(eventTuneFailed);
59 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
63 case iDVBChannel::evtEOF:
64 serviceEvent(eventEOF);
66 case iDVBChannel::evtSOF:
67 serviceEvent(eventSOF);
74 void eDVBServicePMTHandler::PMTready(int error)
77 serviceEvent(eventNoPMT);
80 serviceEvent(eventNewProgramInfo);
81 eEPGCache::getInstance()->PMTready(this);
84 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
86 int demuxes[2] = {0,0};
88 m_demux->getCADemuxID(tmp);
90 if (m_decode_demux_num != 0xFF)
91 demuxes[1]=m_decode_demux_num;
93 demuxes[1]=demuxes[0];
94 eDVBCAService::register_service(m_reference, demuxes, 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)
342 /* if we're using the decoding demux as data source
343 (for example in pvr playbacks), return that one. */
344 if (m_use_decode_demux)
350 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
352 demux->getCADemuxID(m_decode_demux_num);
357 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
359 pvr_channel = m_pvr_channel;
366 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
371 m_use_decode_demux = use_decode_demux;
373 /* is this a normal (non PVR) channel? */
374 if (ref.path.empty())
377 ref.getChannelID(chid);
378 res = m_resourceManager->allocateChannel(chid, m_channel);
379 eDebug("allocate Channel: res %d", res);
382 eDVBMetaParser parser;
384 if (parser.parseFile(ref.path))
385 eWarning("no .meta file found, trying original service ref.");
387 m_reference = parser.m_ref;
391 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
393 eDebug("allocatePVRChannel failed!\n");
394 m_channel = m_pvr_channel;
399 m_channel->connectStateChange(
400 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
401 m_channelStateChanged_connection);
402 m_last_channel_state = -1;
403 channelStateChanged(m_channel);
405 m_channel->connectEvent(
406 slot(*this, &eDVBServicePMTHandler::channelEvent),
407 m_channelEvent_connection);
410 serviceEvent(eventTuneFailed);
416 m_pvr_channel->setCueSheet(cue);
417 m_pvr_channel->playFile(ref.path.c_str());
420 ePtr<iDVBChannelList> db;
421 if (!m_resourceManager->getChannelList(db))
422 db->getService((eServiceReferenceDVB&)m_reference, m_service);
427 void eDVBServicePMTHandler::free()
431 int demuxes[2] = {0,0};
433 m_demux->getCADemuxID(tmp);
435 if (m_decode_demux_num != 0xFF)
436 demuxes[1]=m_decode_demux_num;
438 demuxes[1]=demuxes[0];
439 ePtr<eTable<ProgramMapSection> > ptr;
440 m_PMT.getCurrent(ptr);
441 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
442 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
448 m_pvr_channel->stopFile();
449 m_pvr_channel->setCueSheet(0);
459 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
461 eDVBCAService::eDVBCAService()
462 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
464 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
465 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
469 eDVBCAService::~eDVBCAService()
471 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
475 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
477 CAServiceMap::iterator it = exist.find(ref);
478 if ( it != exist.end() )
479 caservice = it->second;
482 caservice = (exist[ref]=new eDVBCAService());
483 caservice->m_service = ref;
484 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
487 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
488 for (int i=0; i < loops; ++i)
490 // search free demux entry
491 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
493 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
496 if ( iter < max_demux_slots )
498 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
499 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
503 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
510 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
512 CAServiceMap::iterator it = exist.find(ref);
513 if ( it == exist.end() )
515 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
520 eDVBCAService *caservice = it->second;
521 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
522 for (int i=0; i < loops; ++i)
526 used_demux_slots = 0,
527 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
528 while ( iter < max_demux_slots )
530 if ( caservice->m_used_demux[iter] != 0xFF )
532 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
534 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
535 caservice->m_used_demux[iter] = 0xFF;
544 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
547 if (!used_demux_slots) // no more used.. so we remove it
555 it->second->buildCAPMT(ptr);
557 eDebug("[eDVBCAService] can not send updated demux info");
565 void eDVBCAService::Connect()
567 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
568 m_servaddr.sun_family = AF_UNIX;
569 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
570 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
571 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
572 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
573 fcntl(m_sock, F_SETFL, O_NONBLOCK);
575 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
578 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
583 eDVBTableSpec table_spec;
584 ptr->getSpec(table_spec);
586 int pmtpid = table_spec.pid,
587 pmt_version = table_spec.version;
589 uint8_t demux_mask = 0;
592 int iter=0, max_demux_slots = sizeof(m_used_demux);
593 while ( iter < max_demux_slots )
595 if ( m_used_demux[iter] != 0xFF )
597 if ( m_used_demux[iter] > data_demux )
598 data_demux = m_used_demux[iter];
599 demux_mask |= (1 << m_used_demux[iter]);
604 if ( data_demux == -1 )
606 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
610 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
612 unsigned int build_hash = (pmtpid << 16);
613 build_hash |= (demux_mask << 8);
614 build_hash |= (pmt_version&0xFF);
616 if ( build_hash == m_prev_build_hash )
618 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
622 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
623 if ( i != ptr->getSections().end() )
625 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
627 while( i != ptr->getSections().end() )
633 // add our private descriptors to capmt
636 tmp[0]=0x84; // pmt pid
640 capmt.injectDescriptor(tmp, false);
642 tmp[0] = 0x82; // demux
644 tmp[2] = demux_mask; // descramble bitmask
645 tmp[3] = data_demux&0xFF; // read section data from demux number
646 capmt.injectDescriptor(tmp, false);
648 tmp[0] = 0x81; // dvbnamespace
650 tmp[2] = m_service.getDVBNamespace().get()>>24;
651 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
652 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
653 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
654 tmp[6]=m_service.getTransportStreamID().get()>>8;
655 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
656 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
657 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
658 capmt.injectDescriptor(tmp, false);
660 capmt.writeToBuffer(m_capmt);
663 m_prev_build_hash = build_hash;
665 if ( m_sendstate != 0xFFFFFFFF )
670 void eDVBCAService::sendCAPMT()
672 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
679 if ( m_capmt[3] & 0x80 )
682 int lenbytes = m_capmt[3] & ~0x80;
684 wp = (wp << 8) | m_capmt[4 + i++];
694 if ( write(m_sock, m_capmt, wp) == wp )
696 m_sendstate=0xFFFFFFFF;
697 eDebug("[eDVBCAService] send %d bytes",wp);
699 for(int i=0;i<wp;i++)
700 eDebugNoNewLine("%02x ", m_capmt[i]);
710 m_retryTimer.start(0,true);
711 // eDebug("[eDVBCAService] send failed .. immediate retry");
714 m_retryTimer.start(5000,true);
715 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");