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 <lib/dvb/scan.h>
9 #include <dvbsi++/ca_descriptor.h>
10 #include <dvbsi++/ca_program_map_section.h>
11 #include <dvbsi++/teletext_descriptor.h>
12 #include <dvbsi++/descriptor_tag.h>
13 #include <dvbsi++/iso639_language_descriptor.h>
14 #include <dvbsi++/stream_identifier_descriptor.h>
16 eDVBServicePMTHandler::eDVBServicePMTHandler()
17 :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
19 m_use_decode_demux = 0;
21 eDVBResourceManager::getInstance(m_resourceManager);
22 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
23 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
26 eDVBServicePMTHandler::~eDVBServicePMTHandler()
31 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
34 channel->getState(state);
36 if ((m_last_channel_state != iDVBChannel::state_ok)
37 && (state == iDVBChannel::state_ok) && (!m_demux))
40 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
41 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
43 serviceEvent(eventTuned);
47 eDebug("ok ... now we start!!");
50 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
52 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
54 if ( m_service && !m_service->cacheEmpty() )
55 serviceEvent(eventNewProgramInfo);
57 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
58 (state == iDVBChannel::state_failed))
60 eDebug("tune failed.");
61 serviceEvent(eventTuneFailed);
65 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
69 case iDVBChannel::evtEOF:
70 serviceEvent(eventEOF);
72 case iDVBChannel::evtSOF:
73 serviceEvent(eventSOF);
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
92 int demuxes[2] = {0,0};
94 m_demux->getCADemuxID(tmp);
96 if (m_decode_demux_num != 0xFF)
97 demuxes[1]=m_decode_demux_num;
99 demuxes[1]=demuxes[0];
100 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
101 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
103 eDVBCIInterfaces::getInstance()->gotPMT(this);
107 ePtr<eTable<ProgramMapSection> > ptr;
108 if (!m_PMT.getCurrent(ptr))
109 m_ca_servicePtr->buildCAPMT(ptr);
111 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
116 void eDVBServicePMTHandler::PATready(int)
118 ePtr<eTable<ProgramAssociationSection> > ptr;
119 if (!m_PAT.getCurrent(ptr))
122 std::vector<ProgramAssociationSection*>::const_iterator i;
123 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
125 const ProgramAssociationSection &pat = **i;
126 ProgramAssociationConstIterator program;
127 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
128 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
129 pmtpid = (*program)->getProgramMapPid();
132 serviceEvent(eventNoPATEntry);
134 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
136 serviceEvent(eventNoPAT);
139 PyObject *eDVBServicePMTHandler::getCaIds()
143 ePtr<eTable<ProgramMapSection> > ptr;
145 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
148 memset(caids, 0, sizeof(caids));
149 std::vector<ProgramMapSection*>::const_iterator i = ptr->getSections().begin();
150 for (; i != ptr->getSections().end(); ++i)
152 const ProgramMapSection &pmt = **i;
153 ElementaryStreamInfoConstIterator es = pmt.getEsInfo()->begin();
154 for (; es != pmt.getEsInfo()->end(); ++es)
156 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
157 desc != (*es)->getDescriptors()->end(); ++desc)
159 switch ((*desc)->getTag())
163 const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
164 uint16_t caid = cadescr->getCaSystemId();
166 while (caids[idx] && caids[idx] != caid)
174 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
175 desc != pmt.getDescriptors()->end(); ++desc)
177 switch ((*desc)->getTag())
181 const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
182 uint16_t caid = cadescr->getCaSystemId();
184 while (caids[idx] && caids[idx] != caid)
199 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(caids[cnt]));
209 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
211 ePtr<eTable<ProgramMapSection> > ptr;
213 program.videoStreams.clear();
214 program.audioStreams.clear();
216 program.isCrypted = false;
218 program.textPid = -1;
219 program.audioChannel = m_service ? m_service->getCacheEntry(eDVBService::cACHANNEL) : -1;
221 if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
223 int cached_apid_ac3 = -1;
224 int cached_apid_mpeg = -1;
225 int cached_vpid = -1;
226 int cached_tpid = -1;
227 if ( m_service && !m_service->cacheEmpty() )
229 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
230 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
231 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
232 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
234 eDVBTableSpec table_spec;
235 ptr->getSpec(table_spec);
236 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
237 std::vector<ProgramMapSection*>::const_iterator i;
238 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
240 const ProgramMapSection &pmt = **i;
241 program.pcrPid = pmt.getPcrPid();
243 ElementaryStreamInfoConstIterator es;
244 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
246 int isaudio = 0, isvideo = 0, cadescriptors = 0;
249 audio.component_tag=-1;
250 video.component_tag=-1;
252 video.pid = (*es)->getPid();
253 audio.pid = (*es)->getPid();
254 video.type = videoStream::vtMPEG2;
256 switch ((*es)->getType())
258 case 0x1b: // AVC Video Stream (MPEG4 H264)
259 video.type = videoStream::vtMPEG4_H264;
260 case 0x01: // MPEG 1 video
261 case 0x02: // MPEG 2 video
263 //break; fall through !!!
264 case 0x03: // MPEG 1 audio
265 case 0x04: // MPEG 2 audio:
269 audio.type = audioStream::atMPEG;
271 //break; fall through !!!
272 case 0x06: // PES Private
273 /* PES private can contain AC-3, DTS or lots of other stuff.
274 check descriptors to get the exact type. */
275 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
276 desc != (*es)->getDescriptors()->end(); ++desc)
278 switch ((*desc)->getTag())
280 case TELETEXT_DESCRIPTOR:
281 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
282 program.textPid = (*es)->getPid();
288 audio.type = audioStream::atDTS;
295 audio.type = audioStream::atAAC;
302 audio.type = audioStream::atAC3;
305 case ISO_639_LANGUAGE_DESCRIPTOR:
308 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
309 /* use last language code */
310 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
311 audio.language_code = (*i)->getIso639LanguageCode();
314 case STREAM_IDENTIFIER_DESCRIPTOR:
315 audio.component_tag =
316 video.component_tag =
317 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
328 if ( !program.audioStreams.empty() &&
329 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
331 program.audioStreams.push_back(program.audioStreams[0]);
332 program.audioStreams[0] = audio;
335 program.audioStreams.push_back(audio);
339 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
341 program.videoStreams.push_back(program.videoStreams[0]);
342 program.videoStreams[0] = video;
345 program.videoStreams.push_back(video);
349 if ( cadescriptors > 0 )
350 program.isCrypted=true;
352 if ( !program.isCrypted )
354 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
355 desc != pmt.getDescriptors()->end(); ++desc)
357 switch ((*desc)->getTag())
360 program.isCrypted=true;
368 } else if ( m_service && !m_service->cacheEmpty() )
370 int vpid = m_service->getCacheEntry(eDVBService::cVPID),
371 apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID),
372 apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID),
373 pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
374 tpid = m_service->getCacheEntry(eDVBService::cTPID),
375 vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
377 if ( vpidtype == -1 )
378 vpidtype = videoStream::vtMPEG2;
384 program.videoStreams.push_back(s);
387 if ( apid_ac3 != -1 )
390 s.type = audioStream::atAC3;
392 program.audioStreams.push_back(s);
395 if ( apid_mpeg != -1 )
398 s.type = audioStream::atMPEG;
400 program.audioStreams.push_back(s);
406 program.pcrPid = pcrpid;
411 program.textPid = tpid;
419 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
428 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
437 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
440 /* if we're using the decoding demux as data source
441 (for example in pvr playbacks), return that one. */
442 if (m_use_decode_demux)
448 ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
450 ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
452 demux->getCADemuxID(m_decode_demux_num);
457 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
459 pvr_channel = m_pvr_channel;
466 void eDVBServicePMTHandler::SDTScanEvent(int event)
470 case eDVBScan::evtFinish:
472 ePtr<iDVBChannelList> db;
473 if (m_resourceManager->getChannelList(db) != 0)
474 eDebug("no channel list");
477 m_dvb_scan->insertInto(db);
478 eDebug("sdt update done!");
488 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
493 m_use_decode_demux = use_decode_demux;
495 /* is this a normal (non PVR) channel? */
496 if (ref.path.empty())
499 ref.getChannelID(chid);
500 res = m_resourceManager->allocateChannel(chid, m_channel);
501 eDebug("allocate Channel: res %d", res);
504 eDVBMetaParser parser;
506 if (parser.parseFile(ref.path))
508 eWarning("no .meta file found, trying to find PMT pid");
510 if (tstools.openFile(ref.path.c_str()))
511 eWarning("failed to open file");
514 int service_id, pmt_pid;
515 if (!tstools.findPMT(pmt_pid, service_id))
517 eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
518 m_reference.setServiceID(service_id);
523 m_reference = parser.m_ref;
527 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
529 eDebug("allocatePVRChannel failed!\n");
530 m_channel = m_pvr_channel;
533 ePtr<iDVBChannelList> db;
534 if (!m_resourceManager->getChannelList(db))
535 db->getService((eServiceReferenceDVB&)m_reference, m_service);
539 m_channel->connectStateChange(
540 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
541 m_channelStateChanged_connection);
542 m_last_channel_state = -1;
543 channelStateChanged(m_channel);
545 m_channel->connectEvent(
546 slot(*this, &eDVBServicePMTHandler::channelEvent),
547 m_channelEvent_connection);
549 if (ref.path.empty())
552 m_dvb_scan = new eDVBScan(m_channel);
553 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
557 serviceEvent(eventTuneFailed);
563 m_pvr_channel->setCueSheet(cue);
564 m_pvr_channel->playFile(ref.path.c_str());
570 void eDVBServicePMTHandler::free()
572 eDVBScan *tmp = m_dvb_scan; // do a copy on stack (recursive call of free()) !!!
578 int demuxes[2] = {0,0};
580 m_demux->getCADemuxID(tmp);
582 if (m_decode_demux_num != 0xFF)
583 demuxes[1]=m_decode_demux_num;
585 demuxes[1]=demuxes[0];
586 ePtr<eTable<ProgramMapSection> > ptr;
587 m_PMT.getCurrent(ptr);
588 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
589 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
595 m_pvr_channel->stopFile();
596 m_pvr_channel->setCueSheet(0);
606 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
608 eDVBCAService::eDVBCAService()
609 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
611 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
612 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
616 eDVBCAService::~eDVBCAService()
618 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
622 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
624 CAServiceMap::iterator it = exist.find(ref);
625 if ( it != exist.end() )
626 caservice = it->second;
629 caservice = (exist[ref]=new eDVBCAService());
630 caservice->m_service = ref;
631 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
634 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
635 for (int i=0; i < loops; ++i)
637 // search free demux entry
638 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
640 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
643 if ( iter < max_demux_slots )
645 caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
646 eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
650 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
657 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
659 CAServiceMap::iterator it = exist.find(ref);
660 if ( it == exist.end() )
662 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
667 eDVBCAService *caservice = it->second;
668 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
669 for (int i=0; i < loops; ++i)
673 used_demux_slots = 0,
674 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
675 while ( iter < max_demux_slots )
677 if ( caservice->m_used_demux[iter] != 0xFF )
679 if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
681 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
682 caservice->m_used_demux[iter] = 0xFF;
691 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
694 if (!used_demux_slots) // no more used.. so we remove it
702 it->second->buildCAPMT(ptr);
704 eDebug("[eDVBCAService] can not send updated demux info");
712 void eDVBCAService::Connect()
714 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
715 m_servaddr.sun_family = AF_UNIX;
716 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
717 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
718 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
719 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
720 fcntl(m_sock, F_SETFL, O_NONBLOCK);
722 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
725 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
730 eDVBTableSpec table_spec;
731 ptr->getSpec(table_spec);
733 int pmtpid = table_spec.pid,
734 pmt_version = table_spec.version;
736 uint8_t demux_mask = 0;
739 int iter=0, max_demux_slots = sizeof(m_used_demux);
740 while ( iter < max_demux_slots )
742 if ( m_used_demux[iter] != 0xFF )
744 if ( m_used_demux[iter] > data_demux )
745 data_demux = m_used_demux[iter];
746 demux_mask |= (1 << m_used_demux[iter]);
751 if ( data_demux == -1 )
753 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
757 eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
759 unsigned int build_hash = (pmtpid << 16);
760 build_hash |= (demux_mask << 8);
761 build_hash |= (pmt_version&0xFF);
763 if ( build_hash == m_prev_build_hash )
765 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
769 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
770 if ( i != ptr->getSections().end() )
772 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
774 while( i != ptr->getSections().end() )
780 // add our private descriptors to capmt
783 tmp[0]=0x84; // pmt pid
787 capmt.injectDescriptor(tmp, false);
789 tmp[0] = 0x82; // demux
791 tmp[2] = demux_mask; // descramble bitmask
792 tmp[3] = data_demux&0xFF; // read section data from demux number
793 capmt.injectDescriptor(tmp, false);
795 tmp[0] = 0x81; // dvbnamespace
797 tmp[2] = m_service.getDVBNamespace().get()>>24;
798 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
799 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
800 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
801 tmp[6]=m_service.getTransportStreamID().get()>>8;
802 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
803 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
804 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
805 capmt.injectDescriptor(tmp, false);
807 capmt.writeToBuffer(m_capmt);
810 m_prev_build_hash = build_hash;
812 if ( m_sendstate != 0xFFFFFFFF )
817 void eDVBCAService::sendCAPMT()
819 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
826 if ( m_capmt[3] & 0x80 )
829 int lenbytes = m_capmt[3] & ~0x80;
831 wp = (wp << 8) | m_capmt[4 + i++];
841 if ( write(m_sock, m_capmt, wp) == wp )
843 m_sendstate=0xFFFFFFFF;
844 eDebug("[eDVBCAService] send %d bytes",wp);
846 for(int i=0;i<wp;i++)
847 eDebugNoNewLine("%02x ", m_capmt[i]);
857 m_retryTimer.start(0,true);
858 // eDebug("[eDVBCAService] send failed .. immediate retry");
861 m_retryTimer.start(5000,true);
862 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");