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 <dvbsi++/ca_program_map_section.h>
8 #include <dvbsi++/descriptor_tag.h>
9 #include <dvbsi++/iso639_language_descriptor.h>
10 #include <dvbsi++/component_descriptor.h>
12 int eDVBServicePMTHandler::m_count;
14 eDVBServicePMTHandler::eDVBServicePMTHandler(int record)
18 eDVBResourceManager::getInstance(m_resourceManager);
19 CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
20 CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
21 eDebug("new PMT handler record: %d", m_record);
25 eDVBServicePMTHandler::~eDVBServicePMTHandler()
27 eDebug("delete PMT handler record: %d", m_record);
30 eDebug("unregister caservice");
32 m_demux->getCADemuxID(demux_num);
33 ePtr<eTable<ProgramMapSection> > ptr;
34 m_PMT.getCurrent(ptr);
35 eDVBCAService::unregister_service(m_reference, demux_num, ptr);
36 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
41 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
44 channel->getState(state);
46 if ((m_last_channel_state != iDVBChannel::state_ok)
47 && (state == iDVBChannel::state_ok) && (!m_demux))
50 if (m_channel->getDemux(m_demux, m_record ? 0 : iDVBChannel::capDecode))
51 eDebug("Allocating a demux for now tuned-in channel failed.");
53 serviceEvent(eventTuned);
57 eDebug("ok ... now we start!!");
59 /* emit */ m_resourceManager->m_channelRunning(channel);
61 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
63 if ( m_service && !m_service->cacheEmpty() )
64 serviceEvent(eventNewProgramInfo);
66 } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
67 (state == iDVBChannel::state_failed))
69 eDebug("tune failed.");
70 serviceEvent(eventTuneFailed);
74 void eDVBServicePMTHandler::PMTready(int error)
77 serviceEvent(eventNoPMT);
80 serviceEvent(eventNewProgramInfo);
83 if(!m_ca_servicePtr) // don't send campmt to camd.socket for playbacked services
86 m_demux->getCADemuxID(demux_num);
87 eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
88 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
90 eDVBCIInterfaces::getInstance()->gotPMT(this);
94 ePtr<eTable<ProgramMapSection> > ptr;
95 if (!m_PMT.getCurrent(ptr))
96 m_ca_servicePtr->buildCAPMT(ptr);
98 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
103 void eDVBServicePMTHandler::PATready(int)
106 ePtr<eTable<ProgramAssociationSection> > ptr;
107 if (!m_PAT.getCurrent(ptr))
110 std::vector<ProgramAssociationSection*>::const_iterator i;
111 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
113 const ProgramAssociationSection &pat = **i;
114 ProgramAssociationConstIterator program;
115 for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
116 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
117 pmtpid = (*program)->getProgramMapPid();
120 serviceEvent(eventNoPATEntry);
122 m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
124 serviceEvent(eventNoPAT);
127 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
129 ePtr<eTable<ProgramMapSection> > ptr;
131 program.videoStreams.clear();
132 program.audioStreams.clear();
135 if (!m_PMT.getCurrent(ptr))
137 eDVBTableSpec table_spec;
138 ptr->getSpec(table_spec);
139 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
140 std::vector<ProgramMapSection*>::const_iterator i;
141 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
143 const ProgramMapSection &pmt = **i;
144 program.pcrPid = pmt.getPcrPid();
146 ElementaryStreamInfoConstIterator es;
147 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
149 int isaudio = 0, isvideo = 0;
153 video.pid = (*es)->getPid();
154 audio.pid = (*es)->getPid();
156 switch ((*es)->getType())
158 case 0x01: // MPEG 1 video
159 case 0x02: // MPEG 2 video
162 case 0x03: // MPEG 1 audio
163 case 0x04: // MPEG 2 audio:
165 audio.type = audioStream::atMPEG;
167 case 0x06: // PES Private
168 /* PES private can contain AC-3, DTS or lots of other stuff.
169 check descriptors to get the exact type. */
170 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
171 desc != (*es)->getDescriptors()->end(); ++desc)
173 switch ((*desc)->getTag())
177 audio.type = audioStream::atAC3;
185 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
186 desc != (*es)->getDescriptors()->end(); ++desc)
188 switch ((*desc)->getTag())
190 case ISO_639_LANGUAGE_DESCRIPTOR:
192 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
194 /* use last language code */
195 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
196 audio.language_code = (*i)->getIso639LanguageCode();
200 case COMPONENT_DESCRIPTOR:
201 audio.component_tag = ((ComponentDescriptor*)*desc)->getComponentTag();
206 program.audioStreams.push_back(audio);
209 program.videoStreams.push_back(video);
214 else if ( m_service && !m_service->cacheEmpty() )
216 int vpid = m_service->getCachePID(eDVBService::cVPID),
217 apid_ac3 = m_service->getCachePID(eDVBService::cAPID),
218 apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID),
219 pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
225 program.videoStreams.push_back(s);
228 if ( apid_ac3 != -1 )
231 s.type = audioStream::atAC3;
233 program.audioStreams.push_back(s);
236 if ( apid_mpeg != -1 )
239 s.type = audioStream::atMPEG;
241 program.audioStreams.push_back(s);
247 program.pcrPid = pcrpid;
255 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
264 int eDVBServicePMTHandler::getDemux(ePtr<iDVBDemux> &demux)
273 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
275 pvr_channel = m_pvr_channel;
282 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref)
287 /* is this a normal (non PVR) channel? */
288 if (ref.path.empty())
291 ref.getChannelID(chid);
292 res = m_resourceManager->allocateChannel(chid, m_channel);
293 eDebug("allocate Channel: res %d", res);
296 eDVBMetaParser parser;
298 if (parser.parseFile(ref.path))
299 eWarning("no .meta file found, trying original service ref.");
301 m_reference = parser.m_ref;
305 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
307 eDebug("allocatePVRChannel failed!\n");
308 m_channel = m_pvr_channel;
313 m_channel->connectStateChange(
314 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
315 m_channelStateChanged_connection);
316 m_last_channel_state = -1;
317 channelStateChanged(m_channel);
320 serviceEvent(eventTuneFailed);
325 m_pvr_channel->playFile(ref.path.c_str());
327 ePtr<iDVBChannelList> db;
328 if (!m_resourceManager->getChannelList(db))
329 db->getService((eServiceReferenceDVB&)m_reference, m_service);
334 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
336 eDVBCAService::eDVBCAService()
337 :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
339 memset(m_used_demux, 0xFF, sizeof(m_used_demux));
340 CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
344 eDVBCAService::~eDVBCAService()
346 eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
350 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
352 CAServiceMap::iterator it = exist.find(ref);
353 if ( it != exist.end() )
354 caservice = it->second;
357 caservice = (exist[ref]=new eDVBCAService());
358 caservice->m_service = ref;
359 eDebug("[eDVBCAHandler] new service %s", ref.toString().c_str() );
361 // search free demux entry
362 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
364 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
367 if ( iter < max_demux_slots )
369 caservice->m_used_demux[iter] = demux_num & 0xFF;
370 eDebug("[eDVBCAHandler] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
374 eDebug("[eDVBCAHandler] no more demux slots free for service %s!!", ref.toString().c_str());
380 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
382 CAServiceMap::iterator it = exist.find(ref);
383 if ( it == exist.end() )
385 eDebug("[eDVBCAHandler] try to unregister non registered %s", ref.toString().c_str());
390 eDVBCAService *caservice = it->second;
393 used_demux_slots = 0,
394 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
395 while ( iter < max_demux_slots )
397 if ( caservice->m_used_demux[iter] != 0xFF )
399 if ( !freed && caservice->m_used_demux[iter] == demux_num )
401 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
402 caservice->m_used_demux[iter] = 0xFF;
412 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
415 if (!used_demux_slots) // no more used.. so we remove it
423 it->second->buildCAPMT(ptr);
425 eDebug("[eDVBCAHandler] can not send updated demux info");
431 void eDVBCAService::Connect()
433 memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
434 m_servaddr.sun_family = AF_UNIX;
435 strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
436 m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
437 m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
438 connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
439 fcntl(m_sock, F_SETFL, O_NONBLOCK);
441 setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
444 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
449 eDVBTableSpec table_spec;
450 ptr->getSpec(table_spec);
452 int pmtpid = table_spec.pid,
453 pmt_version = table_spec.version;
455 uint8_t demux_mask = 0;
456 uint8_t first_demux_num = 0xFF;
459 int iter=0, max_demux_slots = sizeof(m_used_demux);
460 while ( iter < max_demux_slots )
462 if ( m_used_demux[iter] != 0xFF )
464 if ( first_demux_num == 0xFF )
465 first_demux_num = m_used_demux[iter];
466 demux_mask |= (1 << m_used_demux[iter]);
475 if ( first_demux_num == 0xFF )
477 eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
481 eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
483 unsigned int build_hash = (pmtpid << 16);
484 build_hash |= (demux_mask << 8);
485 build_hash |= (pmt_version&0xFF);
487 if ( build_hash == m_prev_build_hash )
489 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
493 std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
494 if ( i != ptr->getSections().end() )
496 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
498 while( i != ptr->getSections().end() )
504 // add our private descriptors to capmt
507 tmp[0]=0x84; // pmt pid
511 capmt.injectDescriptor(tmp, false);
513 tmp[0] = 0x82; // demux
515 tmp[2] = demux_mask; // descramble bitmask
516 tmp[3] = first_demux_num; // read section data from demux number
517 capmt.injectDescriptor(tmp, false);
519 tmp[0] = 0x81; // dvbnamespace
521 tmp[2] = m_service.getDVBNamespace().get()>>24;
522 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
523 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
524 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
525 tmp[6]=m_service.getTransportStreamID().get()>>8;
526 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
527 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
528 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
529 capmt.injectDescriptor(tmp, false);
531 capmt.writeToBuffer(m_capmt);
534 m_prev_build_hash = build_hash;
536 if ( m_sendstate != 0xFFFFFFFF )
541 void eDVBCAService::sendCAPMT()
543 if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
550 if ( m_capmt[3] & 0x80 )
553 int lenbytes = m_capmt[3] & ~0x80;
555 wp = (wp << 8) | m_capmt[4 + i++];
565 if ( write(m_sock, m_capmt, wp) == wp )
567 m_sendstate=0xFFFFFFFF;
568 eDebug("[eDVBCAHandler] send %d bytes",wp);
570 for(int i=0;i<wp;i++)
571 eDebugNoNewLine("%02x ", m_capmt[i]);
581 m_retryTimer.start(0,true);
582 // eDebug("[eDVBCAHandler] send failed .. immediate retry");
585 m_retryTimer.start(5000,true);
586 // eDebug("[eDVBCAHandler] send failed .. retry in 5 sec");