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++/descriptor_tag.h>
10 #include <dvbsi++/iso639_language_descriptor.h>
11 #include <dvbsi++/stream_identifier_descriptor.h>
13 eDVBServicePMTHandler::eDVBServicePMTHandler()
16 m_use_decode_demux = 0;
17 eDVBResourceManager::getInstance(m_resourceManager);
18 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
19 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
22 eDVBServicePMTHandler::~eDVBServicePMTHandler()
26 eDebug("unregister caservice");
28 m_demux->getCADemuxID(demux_num);
29 ePtr<eTable<ProgramMapSection> > ptr;
30 m_PMT.getCurrent(ptr);
31 eDVBCAService::unregister_service(m_reference, demux_num, ptr);
32 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
36 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
39 channel->getState(state);
41 if ((m_last_channel_state != iDVBChannel::state_ok)
42 && (state == iDVBChannel::state_ok) && (!m_demux))
45 if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
46 eDebug("Allocating a demux for now tuned-in channel failed.");
48 serviceEvent(eventTuned);
52 eDebug("ok ... now we start!!");
54 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
56 if ( m_service && !m_service->cacheEmpty() )
57 serviceEvent(eventNewProgramInfo);
59 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
60 (state == iDVBChannel::state_failed))
62 eDebug("tune failed.");
63 serviceEvent(eventTuneFailed);
67 void eDVBServicePMTHandler::PMTready(int error)
70 serviceEvent(eventNoPMT);
73 serviceEvent(eventNewProgramInfo);
74 eEPGCache::getInstance()->PMTready(this);
77 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
80 m_demux->getCADemuxID(demux_num);
81 eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
82 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
84 eDVBCIInterfaces::getInstance()->gotPMT(this);
88 ePtr<eTable<ProgramMapSection> > ptr;
89 if (!m_PMT.getCurrent(ptr))
90 m_ca_servicePtr->buildCAPMT(ptr);
92 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
97 void eDVBServicePMTHandler::PATready(int)
99 ePtr<eTable<ProgramAssociationSection> > ptr;
100 if (!m_PAT.getCurrent(ptr))
103 std::vector<ProgramAssociationSection*>::const_iterator i;
104 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
106 const ProgramAssociationSection &pat = **i;
107 ProgramAssociationConstIterator program;
108 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
109 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
110 pmtpid = (*program)->getProgramMapPid();
113 serviceEvent(eventNoPATEntry);
115 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
117 serviceEvent(eventNoPAT);
120 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
122 ePtr<eTable<ProgramMapSection> > ptr;
124 program.videoStreams.clear();
125 program.audioStreams.clear();
127 program.isCrypted = false;
130 if (!m_PMT.getCurrent(ptr))
132 int cached_apid_ac3 = -1;
133 int cached_apid_mpeg = -1;
134 int cached_vpid = -1;
135 if ( m_service && !m_service->cacheEmpty() )
137 cached_vpid = m_service->getCachePID(eDVBService::cVPID);
138 cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
139 cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
141 eDVBTableSpec table_spec;
142 ptr->getSpec(table_spec);
143 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
144 std::vector<ProgramMapSection*>::const_iterator i;
145 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
147 const ProgramMapSection &pmt = **i;
148 program.pcrPid = pmt.getPcrPid();
150 ElementaryStreamInfoConstIterator es;
151 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
153 int isaudio = 0, isvideo = 0, cadescriptors = 0;
156 audio.component_tag=-1;
157 video.component_tag=-1;
159 video.pid = (*es)->getPid();
160 audio.pid = (*es)->getPid();
162 switch ((*es)->getType())
164 case 0x01: // MPEG 1 video
165 case 0x02: // MPEG 2 video
167 //break; fall through !!!
168 case 0x03: // MPEG 1 audio
169 case 0x04: // MPEG 2 audio:
173 audio.type = audioStream::atMPEG;
175 //break; fall through !!!
176 case 0x06: // PES Private
177 /* PES private can contain AC-3, DTS or lots of other stuff.
178 check descriptors to get the exact type. */
179 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
180 desc != (*es)->getDescriptors()->end(); ++desc)
182 switch ((*desc)->getTag())
188 audio.type = audioStream::atAC3;
191 case ISO_639_LANGUAGE_DESCRIPTOR:
194 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
195 /* use last language code */
196 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
197 audio.language_code = (*i)->getIso639LanguageCode();
200 case STREAM_IDENTIFIER_DESCRIPTOR:
201 audio.component_tag =
202 video.component_tag =
203 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
214 if ( !program.audioStreams.empty() &&
215 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
217 program.audioStreams.push_back(program.audioStreams[0]);
218 program.audioStreams[0] = audio;
221 program.audioStreams.push_back(audio);
225 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
227 program.videoStreams.push_back(program.videoStreams[0]);
228 program.videoStreams[0] = video;
231 program.videoStreams.push_back(video);
235 if ( cadescriptors > 0 )
236 program.isCrypted=true;
238 if ( !program.isCrypted )
240 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
241 desc != pmt.getDescriptors()->end(); ++desc)
243 switch ((*desc)->getTag())
246 program.isCrypted=true;
254 } else if ( m_service && !m_service->cacheEmpty() )
256 int vpid = m_service->getCachePID(eDVBService::cVPID),
257 apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
258 apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
259 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
265 program.videoStreams.push_back(s);
268 if ( apid_ac3 != -1 )
271 s.type = audioStream::atAC3;
273 program.audioStreams.push_back(s);
276 if ( apid_mpeg != -1 )
279 s.type = audioStream::atMPEG;
281 program.audioStreams.push_back(s);
287 program.pcrPid = pcrpid;
295 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
304 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
313 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
315 /* if we're using the decoding demux as data source
316 (for example in pvr playbacks), return that one. */
317 if (m_use_decode_demux)
323 return m_channel->getDemux(demux, iDVBChannel::capDecode);
326 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
328 pvr_channel = m_pvr_channel;
335 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux)
340 m_use_decode_demux = use_decode_demux;
342 /* is this a normal (non PVR) channel? */
343 if (ref.path.empty())
346 ref.getChannelID(chid);
347 res = m_resourceManager->allocateChannel(chid, m_channel);
348 eDebug("allocate Channel: res %d", res);
351 eDVBMetaParser parser;
353 if (parser.parseFile(ref.path))
354 eWarning("no .meta file found, trying original service ref.");
356 m_reference = parser.m_ref;
360 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
362 eDebug("allocatePVRChannel failed!\n");
363 m_channel = m_pvr_channel;
368 m_channel->connectStateChange(
369 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
370 m_channelStateChanged_connection);
371 m_last_channel_state = -1;
372 channelStateChanged(m_channel);
375 serviceEvent(eventTuneFailed);
380 m_pvr_channel->playFile(ref.path.c_str());
382 ePtr<iDVBChannelList> db;
383 if (!m_resourceManager->getChannelList(db))
384 db->getService((eServiceReferenceDVB&)m_reference, m_service);
389 void eDVBServicePMTHandler::free()
399 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
401 eDVBCAService::eDVBCAService()
402 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
404 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
405 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
409 eDVBCAService::~eDVBCAService()
411 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
415 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
417 CAServiceMap::iterator it = exist.find(ref);
418 if ( it != exist.end() )
419 caservice = it->second;
422 caservice = (exist[ref]=new eDVBCAService());
423 caservice->m_service = ref;
424 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
426 // search free demux entry
427 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
429 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
432 if ( iter < max_demux_slots )
434 caservice->m_used_demux[iter] = demux_num & 0xFF;
435 eDebug("[eDVBCAService] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
439 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
445 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
447 CAServiceMap::iterator it = exist.find(ref);
448 if ( it == exist.end() )
450 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
455 eDVBCAService *caservice = it->second;
458 used_demux_slots = 0,
459 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
460 while ( iter < max_demux_slots )
462 if ( caservice->m_used_demux[iter] != 0xFF )
464 if ( !freed && caservice->m_used_demux[iter] == demux_num )
466 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
467 caservice->m_used_demux[iter] = 0xFF;
477 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
480 if (!used_demux_slots) // no more used.. so we remove it
488 it->second->buildCAPMT(ptr);
490 eDebug("[eDVBCAService] can not send updated demux info");
496 void eDVBCAService::Connect()
498 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
499 m_servaddr.sun_family = AF_UNIX;
500 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
501 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
502 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
503 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
504 fcntl(m_sock, F_SETFL, O_NONBLOCK);
506 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
509 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
514 eDVBTableSpec table_spec;
515 ptr->getSpec(table_spec);
517 int pmtpid = table_spec.pid,
518 pmt_version = table_spec.version;
520 uint8_t demux_mask = 0;
521 uint8_t first_demux_num = 0xFF;
524 int iter=0, max_demux_slots = sizeof(m_used_demux);
525 while ( iter < max_demux_slots )
527 if ( m_used_demux[iter] != 0xFF )
529 if ( first_demux_num == 0xFF )
530 first_demux_num = m_used_demux[iter];
531 demux_mask |= (1 << m_used_demux[iter]);
540 if ( first_demux_num == 0xFF )
542 eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
546 eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
548 unsigned int build_hash = (pmtpid << 16);
549 build_hash |= (demux_mask << 8);
550 build_hash |= (pmt_version&0xFF);
552 if ( build_hash == m_prev_build_hash )
554 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
558 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
559 if ( i != ptr->getSections().end() )
561 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
563 while( i != ptr->getSections().end() )
569 // add our private descriptors to capmt
572 tmp[0]=0x84; // pmt pid
576 capmt.injectDescriptor(tmp, false);
578 tmp[0] = 0x82; // demux
580 tmp[2] = demux_mask; // descramble bitmask
581 tmp[3] = first_demux_num; // read section data from demux number
582 capmt.injectDescriptor(tmp, false);
584 tmp[0] = 0x81; // dvbnamespace
586 tmp[2] = m_service.getDVBNamespace().get()>>24;
587 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
588 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
589 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
590 tmp[6]=m_service.getTransportStreamID().get()>>8;
591 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
592 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
593 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
594 capmt.injectDescriptor(tmp, false);
596 capmt.writeToBuffer(m_capmt);
599 m_prev_build_hash = build_hash;
601 if ( m_sendstate != 0xFFFFFFFF )
606 void eDVBCAService::sendCAPMT()
608 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
615 if ( m_capmt[3] & 0x80 )
618 int lenbytes = m_capmt[3] & ~0x80;
620 wp = (wp << 8) | m_capmt[4 + i++];
630 if ( write(m_sock, m_capmt, wp) == wp )
632 m_sendstate=0xFFFFFFFF;
633 eDebug("[eDVBCAService] send %d bytes",wp);
635 for(int i=0;i<wp;i++)
636 eDebugNoNewLine("%02x ", m_capmt[i]);
646 m_retryTimer.start(0,true);
647 // eDebug("[eDVBCAService] send failed .. immediate retry");
650 m_retryTimer.start(5000,true);
651 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");