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;
19 eDVBResourceManager::getInstance(m_resourceManager);
20 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
21 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
24 eDVBServicePMTHandler::~eDVBServicePMTHandler()
29 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
32 channel->getState(state);
34 if ((m_last_channel_state != iDVBChannel::state_ok)
35 && (state == iDVBChannel::state_ok) && (!m_demux))
38 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
39 eDebug("Allocating a demux for now tuned-in channel failed.");
41 serviceEvent(eventTuned);
45 eDebug("ok ... now we start!!");
48 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
50 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
52 if ( m_service && !m_service->cacheEmpty() )
53 serviceEvent(eventNewProgramInfo);
55 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
56 (state == iDVBChannel::state_failed))
58 eDebug("tune failed.");
59 serviceEvent(eventTuneFailed);
63 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
67 case iDVBChannel::evtEOF:
68 serviceEvent(eventEOF);
70 case iDVBChannel::evtSOF:
71 serviceEvent(eventSOF);
78 void eDVBServicePMTHandler::PMTready(int error)
81 serviceEvent(eventNoPMT);
84 serviceEvent(eventNewProgramInfo);
85 eEPGCache::getInstance()->PMTready(this);
88 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
90 int demuxes[2] = {0,0};
92 m_demux->getCADemuxID(tmp);
94 if (m_decode_demux_num != 0xFF)
95 demuxes[1]=m_decode_demux_num;
97 demuxes[1]=demuxes[0];
98 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
99 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
101 eDVBCIInterfaces::getInstance()->gotPMT(this);
105 ePtr<eTable<ProgramMapSection> > ptr;
106 if (!m_PMT.getCurrent(ptr))
107 m_ca_servicePtr->buildCAPMT(ptr);
109 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
114 void eDVBServicePMTHandler::PATready(int)
116 ePtr<eTable<ProgramAssociationSection> > ptr;
117 if (!m_PAT.getCurrent(ptr))
120 std::vector<ProgramAssociationSection*>::const_iterator i;
121 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
123 const ProgramAssociationSection &pat = **i;
124 ProgramAssociationConstIterator program;
125 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
126 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
127 pmtpid = (*program)->getProgramMapPid();
130 serviceEvent(eventNoPATEntry);
132 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
134 serviceEvent(eventNoPAT);
137 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
139 ePtr<eTable<ProgramMapSection> > ptr;
141 program.videoStreams.clear();
142 program.audioStreams.clear();
144 program.isCrypted = false;
146 program.textPid = -1;
148 if (!m_PMT.getCurrent(ptr))
150 int cached_apid_ac3 = -1;
151 int cached_apid_mpeg = -1;
152 int cached_vpid = -1;
153 int cached_tpid = -1;
154 if ( m_service && !m_service->cacheEmpty() )
156 cached_vpid = m_service->getCachePID(eDVBService::cVPID);
157 cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
158 cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
159 cached_tpid = m_service->getCachePID(eDVBService::cTPID);
161 eDVBTableSpec table_spec;
162 ptr->getSpec(table_spec);
163 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
164 std::vector<ProgramMapSection*>::const_iterator i;
165 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
167 const ProgramMapSection &pmt = **i;
168 program.pcrPid = pmt.getPcrPid();
170 ElementaryStreamInfoConstIterator es;
171 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
173 int isaudio = 0, isvideo = 0, cadescriptors = 0;
176 audio.component_tag=-1;
177 video.component_tag=-1;
179 video.pid = (*es)->getPid();
180 audio.pid = (*es)->getPid();
182 switch ((*es)->getType())
184 case 0x01: // MPEG 1 video
185 case 0x02: // MPEG 2 video
187 //break; fall through !!!
188 case 0x03: // MPEG 1 audio
189 case 0x04: // MPEG 2 audio:
193 audio.type = audioStream::atMPEG;
195 //break; fall through !!!
196 case 0x06: // PES Private
197 /* PES private can contain AC-3, DTS or lots of other stuff.
198 check descriptors to get the exact type. */
199 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
200 desc != (*es)->getDescriptors()->end(); ++desc)
202 switch ((*desc)->getTag())
204 case TELETEXT_DESCRIPTOR:
205 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
206 program.textPid = (*es)->getPid();
212 audio.type = audioStream::atAC3;
215 case ISO_639_LANGUAGE_DESCRIPTOR:
218 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
219 /* use last language code */
220 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
221 audio.language_code = (*i)->getIso639LanguageCode();
224 case STREAM_IDENTIFIER_DESCRIPTOR:
225 audio.component_tag =
226 video.component_tag =
227 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
238 if ( !program.audioStreams.empty() &&
239 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
241 program.audioStreams.push_back(program.audioStreams[0]);
242 program.audioStreams[0] = audio;
245 program.audioStreams.push_back(audio);
249 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
251 program.videoStreams.push_back(program.videoStreams[0]);
252 program.videoStreams[0] = video;
255 program.videoStreams.push_back(video);
259 if ( cadescriptors > 0 )
260 program.isCrypted=true;
262 if ( !program.isCrypted )
264 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
265 desc != pmt.getDescriptors()->end(); ++desc)
267 switch ((*desc)->getTag())
270 program.isCrypted=true;
278 } else if ( m_service && !m_service->cacheEmpty() )
280 int vpid = m_service->getCachePID(eDVBService::cVPID),
281 apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
282 apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
283 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
284 tpid = m_service->getCachePID(eDVBService::cTPID),
290 program.videoStreams.push_back(s);
293 if ( apid_ac3 != -1 )
296 s.type = audioStream::atAC3;
298 program.audioStreams.push_back(s);
301 if ( apid_mpeg != -1 )
304 s.type = audioStream::atMPEG;
306 program.audioStreams.push_back(s);
312 program.pcrPid = pcrpid;
317 program.textPid = tpid;
325 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
334 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
343 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
346 /* if we're using the decoding demux as data source
347 (for example in pvr playbacks), return that one. */
348 if (m_use_decode_demux)
354 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
356 demux->getCADemuxID(m_decode_demux_num);
361 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
363 pvr_channel = m_pvr_channel;
370 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
375 m_use_decode_demux = use_decode_demux;
377 /* is this a normal (non PVR) channel? */
378 if (ref.path.empty())
381 ref.getChannelID(chid);
382 res = m_resourceManager->allocateChannel(chid, m_channel);
383 eDebug("allocate Channel: res %d", res);
386 eDVBMetaParser parser;
388 if (parser.parseFile(ref.path))
390 eWarning("no .meta file found, trying to find PMT pid");
392 if (tstools.openFile(ref.path.c_str()))
393 eWarning("failed to open file");
396 int service_id, pmt_pid;
397 if (!tstools.findPMT(pmt_pid, service_id))
399 eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
400 m_reference.setServiceID(service_id);
406 m_reference = parser.m_ref;
410 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
412 eDebug("allocatePVRChannel failed!\n");
413 m_channel = m_pvr_channel;
418 m_channel->connectStateChange(
419 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
420 m_channelStateChanged_connection);
421 m_last_channel_state = -1;
422 channelStateChanged(m_channel);
424 m_channel->connectEvent(
425 slot(*this, &eDVBServicePMTHandler::channelEvent),
426 m_channelEvent_connection);
429 serviceEvent(eventTuneFailed);
435 m_pvr_channel->setCueSheet(cue);
436 m_pvr_channel->playFile(ref.path.c_str());
439 ePtr<iDVBChannelList> db;
440 if (!m_resourceManager->getChannelList(db))
441 db->getService((eServiceReferenceDVB&)m_reference, m_service);
446 void eDVBServicePMTHandler::free()
450 int demuxes[2] = {0,0};
452 m_demux->getCADemuxID(tmp);
454 if (m_decode_demux_num != 0xFF)
455 demuxes[1]=m_decode_demux_num;
457 demuxes[1]=demuxes[0];
458 ePtr<eTable<ProgramMapSection> > ptr;
459 m_PMT.getCurrent(ptr);
460 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
461 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
467 m_pvr_channel->stopFile();
468 m_pvr_channel->setCueSheet(0);
478 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
480 eDVBCAService::eDVBCAService()
481 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
483 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
484 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
488 eDVBCAService::~eDVBCAService()
490 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
494 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
496 CAServiceMap::iterator it = exist.find(ref);
497 if ( it != exist.end() )
498 caservice = it->second;
501 caservice = (exist[ref]=new eDVBCAService());
502 caservice->m_service = ref;
503 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
506 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
507 for (int i=0; i < loops; ++i)
509 // search free demux entry
510 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
512 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
515 if ( iter < max_demux_slots )
517 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
518 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
522 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
529 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
531 CAServiceMap::iterator it = exist.find(ref);
532 if ( it == exist.end() )
534 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
539 eDVBCAService *caservice = it->second;
540 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
541 for (int i=0; i < loops; ++i)
545 used_demux_slots = 0,
546 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
547 while ( iter < max_demux_slots )
549 if ( caservice->m_used_demux[iter] != 0xFF )
551 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
553 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
554 caservice->m_used_demux[iter] = 0xFF;
563 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
566 if (!used_demux_slots) // no more used.. so we remove it
574 it->second->buildCAPMT(ptr);
576 eDebug("[eDVBCAService] can not send updated demux info");
584 void eDVBCAService::Connect()
586 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
587 m_servaddr.sun_family = AF_UNIX;
588 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
589 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
590 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
591 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
592 fcntl(m_sock, F_SETFL, O_NONBLOCK);
594 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
597 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
602 eDVBTableSpec table_spec;
603 ptr->getSpec(table_spec);
605 int pmtpid = table_spec.pid,
606 pmt_version = table_spec.version;
608 uint8_t demux_mask = 0;
611 int iter=0, max_demux_slots = sizeof(m_used_demux);
612 while ( iter < max_demux_slots )
614 if ( m_used_demux[iter] != 0xFF )
616 if ( m_used_demux[iter] > data_demux )
617 data_demux = m_used_demux[iter];
618 demux_mask |= (1 << m_used_demux[iter]);
623 if ( data_demux == -1 )
625 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
629 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
631 unsigned int build_hash = (pmtpid << 16);
632 build_hash |= (demux_mask << 8);
633 build_hash |= (pmt_version&0xFF);
635 if ( build_hash == m_prev_build_hash )
637 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
641 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
642 if ( i != ptr->getSections().end() )
644 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
646 while( i != ptr->getSections().end() )
652 // add our private descriptors to capmt
655 tmp[0]=0x84; // pmt pid
659 capmt.injectDescriptor(tmp, false);
661 tmp[0] = 0x82; // demux
663 tmp[2] = demux_mask; // descramble bitmask
664 tmp[3] = data_demux&0xFF; // read section data from demux number
665 capmt.injectDescriptor(tmp, false);
667 tmp[0] = 0x81; // dvbnamespace
669 tmp[2] = m_service.getDVBNamespace().get()>>24;
670 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
671 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
672 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
673 tmp[6]=m_service.getTransportStreamID().get()>>8;
674 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
675 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
676 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
677 capmt.injectDescriptor(tmp, false);
679 capmt.writeToBuffer(m_capmt);
682 m_prev_build_hash = build_hash;
684 if ( m_sendstate != 0xFFFFFFFF )
689 void eDVBCAService::sendCAPMT()
691 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
698 if ( m_capmt[3] & 0x80 )
701 int lenbytes = m_capmt[3] & ~0x80;
703 wp = (wp << 8) | m_capmt[4 + i++];
713 if ( write(m_sock, m_capmt, wp) == wp )
715 m_sendstate=0xFFFFFFFF;
716 eDebug("[eDVBCAService] send %d bytes",wp);
718 for(int i=0;i<wp;i++)
719 eDebugNoNewLine("%02x ", m_capmt[i]);
729 m_retryTimer.start(0,true);
730 // eDebug("[eDVBCAService] send failed .. immediate retry");
733 m_retryTimer.start(5000,true);
734 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");