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_service && m_service->usePMT()) || !m_service) && !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 ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
356 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
358 demux->getCADemuxID(m_decode_demux_num);
363 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
365 pvr_channel = m_pvr_channel;
372 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
377 m_use_decode_demux = use_decode_demux;
379 /* is this a normal (non PVR) channel? */
380 if (ref.path.empty())
383 ref.getChannelID(chid);
384 res = m_resourceManager->allocateChannel(chid, m_channel);
385 eDebug("allocate Channel: res %d", res);
388 eDVBMetaParser parser;
390 if (parser.parseFile(ref.path))
392 eWarning("no .meta file found, trying to find PMT pid");
394 if (tstools.openFile(ref.path.c_str()))
395 eWarning("failed to open file");
398 int service_id, pmt_pid;
399 if (!tstools.findPMT(pmt_pid, service_id))
401 eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
402 m_reference.setServiceID(service_id);
407 m_reference = parser.m_ref;
411 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
413 eDebug("allocatePVRChannel failed!\n");
414 m_channel = m_pvr_channel;
417 ePtr<iDVBChannelList> db;
418 if (!m_resourceManager->getChannelList(db))
419 db->getService((eServiceReferenceDVB&)m_reference, m_service);
423 m_channel->connectStateChange(
424 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
425 m_channelStateChanged_connection);
426 m_last_channel_state = -1;
427 channelStateChanged(m_channel);
429 m_channel->connectEvent(
430 slot(*this, &eDVBServicePMTHandler::channelEvent),
431 m_channelEvent_connection);
434 serviceEvent(eventTuneFailed);
440 m_pvr_channel->setCueSheet(cue);
441 m_pvr_channel->playFile(ref.path.c_str());
447 void eDVBServicePMTHandler::free()
451 int demuxes[2] = {0,0};
453 m_demux->getCADemuxID(tmp);
455 if (m_decode_demux_num != 0xFF)
456 demuxes[1]=m_decode_demux_num;
458 demuxes[1]=demuxes[0];
459 ePtr<eTable<ProgramMapSection> > ptr;
460 m_PMT.getCurrent(ptr);
461 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
462 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
468 m_pvr_channel->stopFile();
469 m_pvr_channel->setCueSheet(0);
479 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
481 eDVBCAService::eDVBCAService()
482 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
484 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
485 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
489 eDVBCAService::~eDVBCAService()
491 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
495 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
497 CAServiceMap::iterator it = exist.find(ref);
498 if ( it != exist.end() )
499 caservice = it->second;
502 caservice = (exist[ref]=new eDVBCAService());
503 caservice->m_service = ref;
504 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
507 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
508 for (int i=0; i < loops; ++i)
510 // search free demux entry
511 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
513 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
516 if ( iter < max_demux_slots )
518 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
519 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
523 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
530 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
532 CAServiceMap::iterator it = exist.find(ref);
533 if ( it == exist.end() )
535 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
540 eDVBCAService *caservice = it->second;
541 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
542 for (int i=0; i < loops; ++i)
546 used_demux_slots = 0,
547 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
548 while ( iter < max_demux_slots )
550 if ( caservice->m_used_demux[iter] != 0xFF )
552 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
554 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
555 caservice->m_used_demux[iter] = 0xFF;
564 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
567 if (!used_demux_slots) // no more used.. so we remove it
575 it->second->buildCAPMT(ptr);
577 eDebug("[eDVBCAService] can not send updated demux info");
585 void eDVBCAService::Connect()
587 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
588 m_servaddr.sun_family = AF_UNIX;
589 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
590 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
591 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
592 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
593 fcntl(m_sock, F_SETFL, O_NONBLOCK);
595 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
598 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
603 eDVBTableSpec table_spec;
604 ptr->getSpec(table_spec);
606 int pmtpid = table_spec.pid,
607 pmt_version = table_spec.version;
609 uint8_t demux_mask = 0;
612 int iter=0, max_demux_slots = sizeof(m_used_demux);
613 while ( iter < max_demux_slots )
615 if ( m_used_demux[iter] != 0xFF )
617 if ( m_used_demux[iter] > data_demux )
618 data_demux = m_used_demux[iter];
619 demux_mask |= (1 << m_used_demux[iter]);
624 if ( data_demux == -1 )
626 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
630 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
632 unsigned int build_hash = (pmtpid << 16);
633 build_hash |= (demux_mask << 8);
634 build_hash |= (pmt_version&0xFF);
636 if ( build_hash == m_prev_build_hash )
638 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
642 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
643 if ( i != ptr->getSections().end() )
645 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
647 while( i != ptr->getSections().end() )
653 // add our private descriptors to capmt
656 tmp[0]=0x84; // pmt pid
660 capmt.injectDescriptor(tmp, false);
662 tmp[0] = 0x82; // demux
664 tmp[2] = demux_mask; // descramble bitmask
665 tmp[3] = data_demux&0xFF; // read section data from demux number
666 capmt.injectDescriptor(tmp, false);
668 tmp[0] = 0x81; // dvbnamespace
670 tmp[2] = m_service.getDVBNamespace().get()>>24;
671 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
672 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
673 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
674 tmp[6]=m_service.getTransportStreamID().get()>>8;
675 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
676 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
677 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
678 capmt.injectDescriptor(tmp, false);
680 capmt.writeToBuffer(m_capmt);
683 m_prev_build_hash = build_hash;
685 if ( m_sendstate != 0xFFFFFFFF )
690 void eDVBCAService::sendCAPMT()
692 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
699 if ( m_capmt[3] & 0x80 )
702 int lenbytes = m_capmt[3] & ~0x80;
704 wp = (wp << 8) | m_capmt[4 + i++];
714 if ( write(m_sock, m_capmt, wp) == wp )
716 m_sendstate=0xFFFFFFFF;
717 eDebug("[eDVBCAService] send %d bytes",wp);
719 for(int i=0;i<wp;i++)
720 eDebugNoNewLine("%02x ", m_capmt[i]);
730 m_retryTimer.start(0,true);
731 // eDebug("[eDVBCAService] send failed .. immediate retry");
734 m_retryTimer.start(5000,true);
735 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");