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()
27 eDebug("unregister caservice");
28 int demuxes[2] = {0,0};
30 m_demux->getCADemuxID(tmp);
32 if (m_decode_demux_num != 0xFF)
33 demuxes[1]=m_decode_demux_num;
35 demuxes[1]=demuxes[0];
36 ePtr<eTable<ProgramMapSection> > ptr;
37 m_PMT.getCurrent(ptr);
38 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
39 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
43 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
46 channel->getState(state);
48 if ((m_last_channel_state != iDVBChannel::state_ok)
49 && (state == iDVBChannel::state_ok) && (!m_demux))
52 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
53 eDebug("Allocating a demux for now tuned-in channel failed.");
55 serviceEvent(eventTuned);
59 eDebug("ok ... now we start!!");
61 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
63 if ( m_service && !m_service->cacheEmpty() )
64 serviceEvent(eventNewProgramInfo);
66 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
67 (state == iDVBChannel::state_failed))
69 eDebug("tune failed.");
70 serviceEvent(eventTuneFailed);
74 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
78 case iDVBChannel::evtEOF:
79 serviceEvent(eventEOF);
86 void eDVBServicePMTHandler::PMTready(int error)
89 serviceEvent(eventNoPMT);
92 serviceEvent(eventNewProgramInfo);
93 eEPGCache::getInstance()->PMTready(this);
96 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
98 int demuxes[2] = {0,0};
100 m_demux->getCADemuxID(tmp);
102 if (m_decode_demux_num != 0xFF)
103 demuxes[1]=m_decode_demux_num;
105 demuxes[1]=demuxes[0];
106 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
107 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
109 eDVBCIInterfaces::getInstance()->gotPMT(this);
113 ePtr<eTable<ProgramMapSection> > ptr;
114 if (!m_PMT.getCurrent(ptr))
115 m_ca_servicePtr->buildCAPMT(ptr);
117 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
122 void eDVBServicePMTHandler::PATready(int)
124 ePtr<eTable<ProgramAssociationSection> > ptr;
125 if (!m_PAT.getCurrent(ptr))
128 std::vector<ProgramAssociationSection*>::const_iterator i;
129 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
131 const ProgramAssociationSection &pat = **i;
132 ProgramAssociationConstIterator program;
133 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
134 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
135 pmtpid = (*program)->getProgramMapPid();
138 serviceEvent(eventNoPATEntry);
140 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
142 serviceEvent(eventNoPAT);
145 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
147 ePtr<eTable<ProgramMapSection> > ptr;
149 program.videoStreams.clear();
150 program.audioStreams.clear();
152 program.isCrypted = false;
154 program.textPid = -1;
156 if (!m_PMT.getCurrent(ptr))
158 int cached_apid_ac3 = -1;
159 int cached_apid_mpeg = -1;
160 int cached_vpid = -1;
161 int cached_tpid = -1;
162 if ( m_service && !m_service->cacheEmpty() )
164 cached_vpid = m_service->getCachePID(eDVBService::cVPID);
165 cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
166 cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
167 cached_tpid = m_service->getCachePID(eDVBService::cTPID);
169 eDVBTableSpec table_spec;
170 ptr->getSpec(table_spec);
171 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
172 std::vector<ProgramMapSection*>::const_iterator i;
173 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
175 const ProgramMapSection &pmt = **i;
176 program.pcrPid = pmt.getPcrPid();
178 ElementaryStreamInfoConstIterator es;
179 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
181 int isaudio = 0, isvideo = 0, cadescriptors = 0;
184 audio.component_tag=-1;
185 video.component_tag=-1;
187 video.pid = (*es)->getPid();
188 audio.pid = (*es)->getPid();
190 switch ((*es)->getType())
192 case 0x01: // MPEG 1 video
193 case 0x02: // MPEG 2 video
195 //break; fall through !!!
196 case 0x03: // MPEG 1 audio
197 case 0x04: // MPEG 2 audio:
201 audio.type = audioStream::atMPEG;
203 //break; fall through !!!
204 case 0x06: // PES Private
205 /* PES private can contain AC-3, DTS or lots of other stuff.
206 check descriptors to get the exact type. */
207 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
208 desc != (*es)->getDescriptors()->end(); ++desc)
210 switch ((*desc)->getTag())
212 case TELETEXT_DESCRIPTOR:
213 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
214 program.textPid = (*es)->getPid();
220 audio.type = audioStream::atAC3;
223 case ISO_639_LANGUAGE_DESCRIPTOR:
226 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
227 /* use last language code */
228 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
229 audio.language_code = (*i)->getIso639LanguageCode();
232 case STREAM_IDENTIFIER_DESCRIPTOR:
233 audio.component_tag =
234 video.component_tag =
235 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
246 if ( !program.audioStreams.empty() &&
247 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
249 program.audioStreams.push_back(program.audioStreams[0]);
250 program.audioStreams[0] = audio;
253 program.audioStreams.push_back(audio);
257 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
259 program.videoStreams.push_back(program.videoStreams[0]);
260 program.videoStreams[0] = video;
263 program.videoStreams.push_back(video);
267 if ( cadescriptors > 0 )
268 program.isCrypted=true;
270 if ( !program.isCrypted )
272 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
273 desc != pmt.getDescriptors()->end(); ++desc)
275 switch ((*desc)->getTag())
278 program.isCrypted=true;
286 } else if ( m_service && !m_service->cacheEmpty() )
288 int vpid = m_service->getCachePID(eDVBService::cVPID),
289 apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
290 apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
291 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
292 tpid = m_service->getCachePID(eDVBService::cTPID),
298 program.videoStreams.push_back(s);
301 if ( apid_ac3 != -1 )
304 s.type = audioStream::atAC3;
306 program.audioStreams.push_back(s);
309 if ( apid_mpeg != -1 )
312 s.type = audioStream::atMPEG;
314 program.audioStreams.push_back(s);
320 program.pcrPid = pcrpid;
325 program.textPid = tpid;
333 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
342 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
351 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
354 /* if we're using the decoding demux as data source
355 (for example in pvr playbacks), return that one. */
356 if (m_use_decode_demux)
362 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
364 demux->getCADemuxID(m_decode_demux_num);
369 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
371 pvr_channel = m_pvr_channel;
378 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux)
383 m_use_decode_demux = use_decode_demux;
385 /* is this a normal (non PVR) channel? */
386 if (ref.path.empty())
389 ref.getChannelID(chid);
390 res = m_resourceManager->allocateChannel(chid, m_channel);
391 eDebug("allocate Channel: res %d", res);
394 eDVBMetaParser parser;
396 if (parser.parseFile(ref.path))
397 eWarning("no .meta file found, trying original service ref.");
399 m_reference = parser.m_ref;
403 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
405 eDebug("allocatePVRChannel failed!\n");
406 m_channel = m_pvr_channel;
411 m_channel->connectStateChange(
412 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
413 m_channelStateChanged_connection);
414 m_last_channel_state = -1;
415 channelStateChanged(m_channel);
417 m_channel->connectEvent(
418 slot(*this, &eDVBServicePMTHandler::channelEvent),
419 m_channelEvent_connection);
422 serviceEvent(eventTuneFailed);
427 m_pvr_channel->playFile(ref.path.c_str());
429 ePtr<iDVBChannelList> db;
430 if (!m_resourceManager->getChannelList(db))
431 db->getService((eServiceReferenceDVB&)m_reference, m_service);
436 void eDVBServicePMTHandler::free()
446 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
448 eDVBCAService::eDVBCAService()
449 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
451 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
452 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
456 eDVBCAService::~eDVBCAService()
458 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
462 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
464 CAServiceMap::iterator it = exist.find(ref);
465 if ( it != exist.end() )
466 caservice = it->second;
469 caservice = (exist[ref]=new eDVBCAService());
470 caservice->m_service = ref;
471 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
474 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
475 for (int i=0; i < loops; ++i)
477 // search free demux entry
478 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
480 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
483 if ( iter < max_demux_slots )
485 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
486 eDebug("[eDVBCAService] add demuxe %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
490 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
497 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
499 CAServiceMap::iterator it = exist.find(ref);
500 if ( it == exist.end() )
502 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
507 eDVBCAService *caservice = it->second;
508 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
509 for (int i=0; i < loops; ++i)
513 used_demux_slots = 0,
514 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
515 while ( iter < max_demux_slots )
517 if ( caservice->m_used_demux[iter] != 0xFF )
519 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
521 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
522 caservice->m_used_demux[iter] = 0xFF;
531 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
534 if (!used_demux_slots) // no more used.. so we remove it
542 it->second->buildCAPMT(ptr);
544 eDebug("[eDVBCAService] can not send updated demux info");
552 void eDVBCAService::Connect()
554 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
555 m_servaddr.sun_family = AF_UNIX;
556 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
557 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
558 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
559 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
560 fcntl(m_sock, F_SETFL, O_NONBLOCK);
562 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
565 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
570 eDVBTableSpec table_spec;
571 ptr->getSpec(table_spec);
573 int pmtpid = table_spec.pid,
574 pmt_version = table_spec.version;
576 uint8_t demux_mask = 0;
579 int iter=0, max_demux_slots = sizeof(m_used_demux);
580 while ( iter < max_demux_slots )
582 if ( m_used_demux[iter] != 0xFF )
584 if ( m_used_demux[iter] > data_demux )
585 data_demux = m_used_demux[iter];
586 demux_mask |= (1 << m_used_demux[iter]);
591 if ( data_demux == -1 )
593 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
597 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
599 unsigned int build_hash = (pmtpid << 16);
600 build_hash |= (demux_mask << 8);
601 build_hash |= (pmt_version&0xFF);
603 if ( build_hash == m_prev_build_hash )
605 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
609 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
610 if ( i != ptr->getSections().end() )
612 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
614 while( i != ptr->getSections().end() )
620 // add our private descriptors to capmt
623 tmp[0]=0x84; // pmt pid
627 capmt.injectDescriptor(tmp, false);
629 tmp[0] = 0x82; // demux
631 tmp[2] = demux_mask; // descramble bitmask
632 tmp[3] = data_demux&0xFF; // read section data from demux number
633 capmt.injectDescriptor(tmp, false);
635 tmp[0] = 0x81; // dvbnamespace
637 tmp[2] = m_service.getDVBNamespace().get()>>24;
638 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
639 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
640 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
641 tmp[6]=m_service.getTransportStreamID().get()>>8;
642 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
643 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
644 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
645 capmt.injectDescriptor(tmp, false);
647 capmt.writeToBuffer(m_capmt);
650 m_prev_build_hash = build_hash;
652 if ( m_sendstate != 0xFFFFFFFF )
657 void eDVBCAService::sendCAPMT()
659 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
666 if ( m_capmt[3] & 0x80 )
669 int lenbytes = m_capmt[3] & ~0x80;
671 wp = (wp << 8) | m_capmt[4 + i++];
681 if ( write(m_sock, m_capmt, wp) == wp )
683 m_sendstate=0xFFFFFFFF;
684 eDebug("[eDVBCAService] send %d bytes",wp);
686 for(int i=0;i<wp;i++)
687 eDebugNoNewLine("%02x ", m_capmt[i]);
697 m_retryTimer.start(0,true);
698 // eDebug("[eDVBCAService] send failed .. immediate retry");
701 m_retryTimer.start(5000,true);
702 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");