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(int record)
17 eDVBResourceManager::getInstance(m_resourceManager);
18 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
19 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
20 eDebug("new PMT handler record: %d", m_record);
23 eDVBServicePMTHandler::~eDVBServicePMTHandler()
25 eDebug("delete PMT handler record: %d", m_record);
28 eDebug("unregister caservice");
30 m_demux->getCADemuxID(demux_num);
31 ePtr<eTable<ProgramMapSection> > ptr;
32 m_PMT.getCurrent(ptr);
33 eDVBCAService::unregister_service(m_reference, demux_num, ptr);
34 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
38 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
41 channel->getState(state);
43 if ((m_last_channel_state != iDVBChannel::state_ok)
44 && (state == iDVBChannel::state_ok) && (!m_demux))
47 if (m_channel->getDemux(m_demux, m_record ? 0 : iDVBChannel::capDecode))
48 eDebug("Allocating a demux for now tuned-in channel failed.");
50 serviceEvent(eventTuned);
54 eDebug("ok ... now we start!!");
56 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
58 if ( m_service && !m_service->cacheEmpty() )
59 serviceEvent(eventNewProgramInfo);
61 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
62 (state == iDVBChannel::state_failed))
64 eDebug("tune failed.");
65 serviceEvent(eventTuneFailed);
69 void eDVBServicePMTHandler::PMTready(int error)
72 serviceEvent(eventNoPMT);
75 serviceEvent(eventNewProgramInfo);
76 eEPGCache::getInstance()->PMTready(this);
79 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
82 m_demux->getCADemuxID(demux_num);
83 eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
84 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
86 eDVBCIInterfaces::getInstance()->gotPMT(this);
90 ePtr<eTable<ProgramMapSection> > ptr;
91 if (!m_PMT.getCurrent(ptr))
92 m_ca_servicePtr->buildCAPMT(ptr);
94 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
99 void eDVBServicePMTHandler::PATready(int)
102 ePtr<eTable<ProgramAssociationSection> > ptr;
103 if (!m_PAT.getCurrent(ptr))
106 std::vector<ProgramAssociationSection*>::const_iterator i;
107 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
109 const ProgramAssociationSection &pat = **i;
110 ProgramAssociationConstIterator program;
111 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
112 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
113 pmtpid = (*program)->getProgramMapPid();
116 serviceEvent(eventNoPATEntry);
118 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
120 serviceEvent(eventNoPAT);
123 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
125 ePtr<eTable<ProgramMapSection> > ptr;
127 program.videoStreams.clear();
128 program.audioStreams.clear();
130 program.isCrypted = false;
132 if (!m_PMT.getCurrent(ptr))
134 int cached_apid_ac3 = -1;
135 int cached_apid_mpeg = -1;
136 int cached_vpid = -1;
137 if ( m_service && !m_service->cacheEmpty() )
139 cached_vpid = m_service->getCachePID(eDVBService::cVPID);
140 cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
141 cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
143 eDVBTableSpec table_spec;
144 ptr->getSpec(table_spec);
145 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
146 std::vector<ProgramMapSection*>::const_iterator i;
147 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
149 const ProgramMapSection &pmt = **i;
150 program.pcrPid = pmt.getPcrPid();
152 ElementaryStreamInfoConstIterator es;
153 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
155 int isaudio = 0, isvideo = 0, cadescriptors = 0;
158 audio.component_tag=-1;
159 video.component_tag=-1;
161 video.pid = (*es)->getPid();
162 audio.pid = (*es)->getPid();
164 switch ((*es)->getType())
166 case 0x01: // MPEG 1 video
167 case 0x02: // MPEG 2 video
169 //break; fall through !!!
170 case 0x03: // MPEG 1 audio
171 case 0x04: // MPEG 2 audio:
175 audio.type = audioStream::atMPEG;
177 //break; fall through !!!
178 case 0x06: // PES Private
179 /* PES private can contain AC-3, DTS or lots of other stuff.
180 check descriptors to get the exact type. */
181 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
182 desc != (*es)->getDescriptors()->end(); ++desc)
184 switch ((*desc)->getTag())
190 audio.type = audioStream::atAC3;
193 case ISO_639_LANGUAGE_DESCRIPTOR:
196 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
197 /* use last language code */
198 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
199 audio.language_code = (*i)->getIso639LanguageCode();
202 case STREAM_IDENTIFIER_DESCRIPTOR:
203 audio.component_tag =
204 video.component_tag =
205 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
216 if ( !program.audioStreams.empty() &&
217 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
219 program.audioStreams.push_back(program.audioStreams[0]);
220 program.audioStreams[0] = audio;
223 program.audioStreams.push_back(audio);
227 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
229 program.videoStreams.push_back(program.videoStreams[0]);
230 program.videoStreams[0] = video;
233 program.videoStreams.push_back(video);
237 if ( cadescriptors > 0 )
238 program.isCrypted=true;
240 if ( !program.isCrypted )
242 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
243 desc != pmt.getDescriptors()->end(); ++desc)
245 switch ((*desc)->getTag())
248 program.isCrypted=true;
257 else if ( m_service && !m_service->cacheEmpty() )
259 int vpid = m_service->getCachePID(eDVBService::cVPID),
260 apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
261 apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
262 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
268 program.videoStreams.push_back(s);
271 if ( apid_ac3 != -1 )
274 s.type = audioStream::atAC3;
276 program.audioStreams.push_back(s);
279 if ( apid_mpeg != -1 )
282 s.type = audioStream::atMPEG;
284 program.audioStreams.push_back(s);
290 program.pcrPid = pcrpid;
298 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
307 int eDVBServicePMTHandler::getDemux(ePtr<iDVBDemux> &demux)
316 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
318 pvr_channel = m_pvr_channel;
325 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref)
330 /* is this a normal (non PVR) channel? */
331 if (ref.path.empty())
334 ref.getChannelID(chid);
335 res = m_resourceManager->allocateChannel(chid, m_channel);
336 eDebug("allocate Channel: res %d", res);
339 eDVBMetaParser parser;
341 if (parser.parseFile(ref.path))
342 eWarning("no .meta file found, trying original service ref.");
344 m_reference = parser.m_ref;
348 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
350 eDebug("allocatePVRChannel failed!\n");
351 m_channel = m_pvr_channel;
356 m_channel->connectStateChange(
357 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
358 m_channelStateChanged_connection);
359 m_last_channel_state = -1;
360 channelStateChanged(m_channel);
363 serviceEvent(eventTuneFailed);
368 m_pvr_channel->playFile(ref.path.c_str());
370 ePtr<iDVBChannelList> db;
371 if (!m_resourceManager->getChannelList(db))
372 db->getService((eServiceReferenceDVB&)m_reference, m_service);
377 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
379 eDVBCAService::eDVBCAService()
380 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
382 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
383 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
387 eDVBCAService::~eDVBCAService()
389 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
393 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
395 CAServiceMap::iterator it = exist.find(ref);
396 if ( it != exist.end() )
397 caservice = it->second;
400 caservice = (exist[ref]=new eDVBCAService());
401 caservice->m_service = ref;
402 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
404 // search free demux entry
405 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
407 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
410 if ( iter < max_demux_slots )
412 caservice->m_used_demux[iter] = demux_num & 0xFF;
413 eDebug("[eDVBCAService] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
417 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
423 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
425 CAServiceMap::iterator it = exist.find(ref);
426 if ( it == exist.end() )
428 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
433 eDVBCAService *caservice = it->second;
436 used_demux_slots = 0,
437 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
438 while ( iter < max_demux_slots )
440 if ( caservice->m_used_demux[iter] != 0xFF )
442 if ( !freed && caservice->m_used_demux[iter] == demux_num )
444 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
445 caservice->m_used_demux[iter] = 0xFF;
455 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
458 if (!used_demux_slots) // no more used.. so we remove it
466 it->second->buildCAPMT(ptr);
468 eDebug("[eDVBCAService] can not send updated demux info");
474 void eDVBCAService::Connect()
476 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
477 m_servaddr.sun_family = AF_UNIX;
478 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
479 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
480 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
481 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
482 fcntl(m_sock, F_SETFL, O_NONBLOCK);
484 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
487 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
492 eDVBTableSpec table_spec;
493 ptr->getSpec(table_spec);
495 int pmtpid = table_spec.pid,
496 pmt_version = table_spec.version;
498 uint8_t demux_mask = 0;
499 uint8_t first_demux_num = 0xFF;
502 int iter=0, max_demux_slots = sizeof(m_used_demux);
503 while ( iter < max_demux_slots )
505 if ( m_used_demux[iter] != 0xFF )
507 if ( first_demux_num == 0xFF )
508 first_demux_num = m_used_demux[iter];
509 demux_mask |= (1 << m_used_demux[iter]);
518 if ( first_demux_num == 0xFF )
520 eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
524 eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
526 unsigned int build_hash = (pmtpid << 16);
527 build_hash |= (demux_mask << 8);
528 build_hash |= (pmt_version&0xFF);
530 if ( build_hash == m_prev_build_hash )
532 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
536 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
537 if ( i != ptr->getSections().end() )
539 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
541 while( i != ptr->getSections().end() )
547 // add our private descriptors to capmt
550 tmp[0]=0x84; // pmt pid
554 capmt.injectDescriptor(tmp, false);
556 tmp[0] = 0x82; // demux
558 tmp[2] = demux_mask; // descramble bitmask
559 tmp[3] = first_demux_num; // read section data from demux number
560 capmt.injectDescriptor(tmp, false);
562 tmp[0] = 0x81; // dvbnamespace
564 tmp[2] = m_service.getDVBNamespace().get()>>24;
565 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
566 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
567 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
568 tmp[6]=m_service.getTransportStreamID().get()>>8;
569 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
570 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
571 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
572 capmt.injectDescriptor(tmp, false);
574 capmt.writeToBuffer(m_capmt);
577 m_prev_build_hash = build_hash;
579 if ( m_sendstate != 0xFFFFFFFF )
584 void eDVBCAService::sendCAPMT()
586 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
593 if ( m_capmt[3] & 0x80 )
596 int lenbytes = m_capmt[3] & ~0x80;
598 wp = (wp << 8) | m_capmt[4 + i++];
608 if ( write(m_sock, m_capmt, wp) == wp )
610 m_sendstate=0xFFFFFFFF;
611 eDebug("[eDVBCAService] send %d bytes",wp);
613 for(int i=0;i<wp;i++)
614 eDebugNoNewLine("%02x ", m_capmt[i]);
624 m_retryTimer.start(0,true);
625 // eDebug("[eDVBCAService] send failed .. immediate retry");
628 m_retryTimer.start(5000,true);
629 // eDebug("[eDVBCAService] send failed .. retry in 5 sec");