code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/pmt.cpp

   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>
  15 #include <dvbsi++/subtitling_descriptor.h>
  16 #include <dvbsi++/teletext_descriptor.h>
  17
  18 eDVBServicePMTHandler::eDVBServicePMTHandler()
  19         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  20 {
  21         m_use_decode_demux = 0;
  22         m_pmt_pid = -1;
  23         eDVBResourceManager::getInstance(m_resourceManager);
  24         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  25         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  26 }
  27
  28 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  29 {
  30         free();
  31 }
  32
  33 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  34 {
  35         int state;
  36         channel->getState(state);
  37
  38         if ((m_last_channel_state != iDVBChannel::state_ok)
  39                 && (state == iDVBChannel::state_ok) && (!m_demux))
  40         {
  41                 if (m_channel)
  42                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  43                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  44
  45                 serviceEvent(eventTuned);
  46
  47                 if (m_demux)
  48                 {
  49                         eDebug("ok ... now we start!!");
  50
  51                         if (m_pmt_pid == -1)
  52                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  53                         else
  54                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  55
  56                         if ( m_service && !m_service->cacheEmpty() )
  57                                 serviceEvent(eventNewProgramInfo);
  58                 }
  59         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  60                         (state == iDVBChannel::state_failed))
  61         {
  62                 eDebug("tune failed.");
  63                 serviceEvent(eventTuneFailed);
  64         }
  65 }
  66
  67 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  68 {
  69         switch (event)
  70         {
  71         case iDVBChannel::evtEOF:
  72                 serviceEvent(eventEOF);
  73                 break;
  74         case iDVBChannel::evtSOF:
  75                 serviceEvent(eventSOF);
  76                 break;
  77         default:
  78                 break;
  79         }
  80 }
  81
  82 void eDVBServicePMTHandler::PMTready(int error)
  83 {
  84         if (error)
  85                 serviceEvent(eventNoPMT);
  86         else
  87         {
  88                 m_have_cached_program = false;
  89                 serviceEvent(eventNewProgramInfo);
  90                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  91                 {
  92                         eEPGCache::getInstance()->PMTready(this);
  93                         if(!m_ca_servicePtr)
  94                         {
  95                                 int demuxes[2] = {0,0};
  96                                 uint8_t tmp;
  97                                 m_demux->getCADemuxID(tmp);
  98                                 demuxes[0]=tmp;
  99                                 if (m_decode_demux_num != 0xFF)
 100                                         demuxes[1]=m_decode_demux_num;
 101                                 else
 102                                         demuxes[1]=demuxes[0];
 103                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 104                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 105                         }
 106                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 107                 }
 108                 if (m_ca_servicePtr)
 109                 {
 110                         ePtr<eTable<ProgramMapSection> > ptr;
 111                         if (!m_PMT.getCurrent(ptr))
 112                                 m_ca_servicePtr->buildCAPMT(ptr);
 113                         else
 114                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 115                 }
 116         }
 117 }
 118
 119 void eDVBServicePMTHandler::PATready(int)
 120 {
 121         ePtr<eTable<ProgramAssociationSection> > ptr;
 122         if (!m_PAT.getCurrent(ptr))
 123         {
 124                 int pmtpid = -1;
 125                 std::vector<ProgramAssociationSection*>::const_iterator i;
 126                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 127                 {
 128                         const ProgramAssociationSection &pat = **i;
 129                         ProgramAssociationConstIterator program;
 130                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 131                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 132                                         pmtpid = (*program)->getProgramMapPid();
 133                 }
 134                 if (pmtpid == -1)
 135                         serviceEvent(eventNoPATEntry);
 136                 else
 137                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 138         } else
 139                 serviceEvent(eventNoPAT);
 140 }
 141
 142 PyObject *eDVBServicePMTHandler::getCaIds()
 143 {
 144         ePyObject ret;
 145
 146         program prog;
 147
 148         if ( !getProgramInfo(prog) )
 149         {
 150                 int cnt=prog.caids.size();
 151                 if (cnt)
 152                 {
 153                         ret=PyList_New(cnt);
 154                         std::set<uint16_t>::iterator it(prog.caids.begin());
 155                         while(cnt--)
 156                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 157                 }
 158         }
 159
 160         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 161 }
 162
 163 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 164 {
 165         ePtr<eTable<ProgramMapSection> > ptr;
 166         int cached_apid_ac3 = -1;
 167         int cached_apid_mpeg = -1;
 168         int cached_vpid = -1;
 169         int cached_tpid = -1;
 170         int ret = -1;
 171
 172         program.videoStreams.clear();
 173         program.audioStreams.clear();
 174         program.pcrPid = -1;
 175         program.pmtPid = -1;
 176         program.textPid = -1;
 177         program.defaultAudioStream = 0;
 178
 179         if ( m_service && !m_service->cacheEmpty() )
 180         {
 181                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 182                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 183                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 184                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 185         }
 186
 187         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 188         {
 189                 if (m_have_cached_program)
 190                 {
 191                         program = m_cached_program;
 192                         ret = 0;
 193                 }
 194                 else
 195                 {
 196                         eDVBTableSpec table_spec;
 197                         ptr->getSpec(table_spec);
 198                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 199                         std::vector<ProgramMapSection*>::const_iterator i;
 200                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 201                         {
 202                                 const ProgramMapSection &pmt = **i;
 203                                 program.pcrPid = pmt.getPcrPid();
 204
 205                                 ElementaryStreamInfoConstIterator es;
 206                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 207                                 {
 208                                         int isaudio = 0, isvideo = 0;
 209                                         videoStream video;
 210                                         audioStream audio;
 211                                         audio.component_tag=video.component_tag=-1;
 212                                         video.type = videoStream::vtMPEG2;
 213
 214                                         switch ((*es)->getType())
 215                                         {
 216                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 217                                                 video.type = videoStream::vtMPEG4_H264;
 218                                         case 0x01: // MPEG 1 video
 219                                         case 0x02: // MPEG 2 video
 220                                                 isvideo = 1;
 221                                                 //break; fall through !!!
 222                                         case 0x03: // MPEG 1 audio
 223                                         case 0x04: // MPEG 2 audio:
 224                                                 if (!isvideo)
 225                                                 {
 226                                                         isaudio = 1;
 227                                                         audio.type = audioStream::atMPEG;
 228                                                 }
 229                                                 //break; fall through !!!
 230                                         case 0x06: // PES Private
 231                                                         /* PES private can contain AC-3, DTS or lots of other stuff.
 232                                                            check descriptors to get the exact type. */
 233                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 234                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 235                                                 {
 236                                                         switch ((*desc)->getTag())
 237                                                         {
 238                                                         case SUBTITLING_DESCRIPTOR:
 239                                                         {
 240                                                                 SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 241                                                                 const SubtitlingList *list = d->getSubtitlings();
 242                                                                 subtitleStream s;
 243                                                                 s.pid = (*es)->getPid();
 244                                                                 for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 245                                                                 {
 246                                                                         s.subtitling_type = (*it)->getSubtitlingType();
 247                                                                         s.composition_page_id = (*it)->getCompositionPageId();
 248                                                                         s.ancillary_page_id = (*it)->getAncillaryPageId();
 249                                                                         s.language_code = (*it)->getIso639LanguageCode();
 250 //                                                                      eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 251 //                                                                              s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 252                                                                         program.subtitleStreams.push_back(s);
 253                                                                 }
 254                                                                 break;
 255                                                         }
 256                                                         case TELETEXT_DESCRIPTOR:
 257                                                                 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 258                                                                 {
 259                                                                         subtitleStream s;
 260                                                                         s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 261                                                                         s.pid = program.textPid = (*es)->getPid();
 262                                                                         TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 263                                                                         const VbiTeletextList *list = d->getVbiTeletexts();
 264                                                                         for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 265                                                                         {
 266                                                                                 switch((*it)->getTeletextType())
 267                                                                                 {
 268                                                                                         case 0x02: // Teletext subtitle page
 269                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 270                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 271                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 272                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 273 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 274 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 275                                                                                                 program.subtitleStreams.push_back(s);
 276                                                                                                 break;
 277                                                                                 }
 278                                                                         }
 279                                                                 }
 280                                                                 break;
 281                                                         case DTS_DESCRIPTOR:
 282                                                                 isaudio = 1;
 283                                                                 audio.type = audioStream::atDTS;
 284                                                                 break;
 285                                                         case AAC_DESCRIPTOR:
 286                                                                 isaudio = 1;
 287                                                                 audio.type = audioStream::atAAC;
 288                                                                 break;
 289                                                         case AC3_DESCRIPTOR:
 290                                                                 isaudio = 1;
 291                                                                 audio.type = audioStream::atAC3;
 292                                                                 break;
 293                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 294                                                                 if (!isvideo)
 295                                                                 {
 296                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 297                                                                                 /* use last language code */
 298                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 299                                                                                 audio.language_code = (*i)->getIso639LanguageCode();
 300                                                                 }
 301                                                                 break;
 302                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 303                                                                 audio.component_tag =
 304                                                                         video.component_tag =
 305                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 306                                                                 break;
 307                                                         case CA_DESCRIPTOR:
 308                                                         {
 309                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 310                                                                 program.caids.insert(descr->getCaSystemId());
 311                                                                 break;
 312                                                         }
 313                                                         }
 314                                                 }
 315                                                 break;
 316                                         }
 317                                         if (isaudio)
 318                                         {
 319                                                 audio.pid = (*es)->getPid();
 320                                                 if ( !program.audioStreams.empty() &&
 321                                                         ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 322                                                         program.defaultAudioStream = program.audioStreams.size();
 323                                                 program.audioStreams.push_back(audio);
 324                                         }
 325                                         else if (isvideo)
 326                                         {
 327                                                 video.pid = (*es)->getPid();
 328                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 329                                                 {
 330                                                         program.videoStreams.push_back(program.videoStreams[0]);
 331                                                         program.videoStreams[0] = video;
 332                                                 }
 333                                                 else
 334                                                         program.videoStreams.push_back(video);
 335                                         }
 336                                         else
 337                                                 continue;
 338                                 }
 339                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 340                                         desc != pmt.getDescriptors()->end(); ++desc)
 341                                 {
 342                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 343                                         {
 344                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 345                                                 program.caids.insert(descr->getCaSystemId());
 346                                         }
 347                                 }
 348                         }
 349                         ret = 0;
 350                         m_cached_program = program;
 351                         m_have_cached_program = true;
 352                 }
 353         } else if ( m_service && !m_service->cacheEmpty() )
 354         {
 355                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 356                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 357                         cnt=0;
 358                 if ( vpidtype == -1 )
 359                         vpidtype = videoStream::vtMPEG2;
 360                 if ( cached_vpid != -1 )
 361                 {
 362                         videoStream s;
 363                         s.pid = cached_vpid;
 364                         s.type = vpidtype;
 365                         program.videoStreams.push_back(s);
 366                         ++cnt;
 367                 }
 368                 if ( cached_apid_ac3 != -1 )
 369                 {
 370                         audioStream s;
 371                         s.type = audioStream::atAC3;
 372                         s.pid = cached_apid_ac3;
 373                         program.audioStreams.push_back(s);
 374                         ++cnt;
 375                 }
 376                 if ( cached_apid_mpeg != -1 )
 377                 {
 378                         audioStream s;
 379                         s.type = audioStream::atMPEG;
 380                         s.pid = cached_apid_mpeg;
 381                         program.audioStreams.push_back(s);
 382                         ++cnt;
 383                 }
 384                 if ( cached_pcrpid != -1 )
 385                 {
 386                         ++cnt;
 387                         program.pcrPid = cached_pcrpid;
 388                 }
 389                 if ( cached_tpid != -1 )
 390                 {
 391                         ++cnt;
 392                         program.textPid = cached_tpid;
 393                 }
 394                 CAID_LIST &caids = m_service->m_ca;
 395                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 396                         program.caids.insert(*it);
 397                 if ( cnt )
 398                         ret = 0;
 399         }
 400         return ret;
 401 }
 402
 403 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 404 {
 405         channel = m_channel;
 406         if (channel)
 407                 return 0;
 408         else
 409                 return -1;
 410 }
 411
 412 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 413 {
 414         demux = m_demux;
 415         if (demux)
 416                 return 0;
 417         else
 418                 return -1;
 419 }
 420
 421 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 422 {
 423         int ret=0;
 424                 /* if we're using the decoding demux as data source
 425                    (for example in pvr playbacks), return that one. */
 426         if (m_use_decode_demux)
 427         {
 428                 demux = m_demux;
 429                 return ret;
 430         }
 431
 432         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 433
 434         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 435         if (!ret)
 436                 demux->getCADemuxID(m_decode_demux_num);
 437
 438         return ret;
 439 }
 440
 441 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 442 {
 443         pvr_channel = m_pvr_channel;
 444         if (pvr_channel)
 445                 return 0;
 446         else
 447                 return -1;
 448 }
 449
 450 void eDVBServicePMTHandler::SDTScanEvent(int event)
 451 {
 452         switch (event)
 453         {
 454                 case eDVBScan::evtFinish:
 455                 {
 456                         ePtr<iDVBChannelList> db;
 457                         if (m_resourceManager->getChannelList(db) != 0)
 458                                 eDebug("no channel list");
 459                         else
 460                         {
 461                                 m_dvb_scan->insertInto(db, true);
 462                                 eDebug("sdt update done!");
 463                         }
 464                         break;
 465                 }
 466
 467                 default:
 468                         break;
 469         }
 470 }
 471
 472 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 473 {
 474         RESULT res;
 475         m_reference = ref;
 476
 477         m_use_decode_demux = use_decode_demux;
 478
 479                 /* is this a normal (non PVR) channel? */
 480         if (ref.path.empty())
 481         {
 482                 eDVBChannelID chid;
 483                 ref.getChannelID(chid);
 484                 res = m_resourceManager->allocateChannel(chid, m_channel);
 485                 eDebug("allocate Channel: res %d", res);
 486
 487                 ePtr<iDVBChannelList> db;
 488                 if (!m_resourceManager->getChannelList(db))
 489                                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 490
 491                 if (!res)
 492                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 493         } else
 494         {
 495                 eDVBMetaParser parser;
 496
 497                 int ret=parser.parseFile(ref.path);
 498                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 499                 {
 500                         eWarning("no .meta file found, trying to find PMT pid");
 501                         eDVBTSTools tstools;
 502                         if (tstools.openFile(ref.path.c_str()))
 503                                 eWarning("failed to open file");
 504                         else
 505                         {
 506                                 int service_id, pmt_pid;
 507                                 if (!tstools.findPMT(pmt_pid, service_id))
 508                                 {
 509                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 510                                         m_reference.setServiceID(service_id);
 511                                         m_pmt_pid = pmt_pid;
 512                                 }
 513                         }
 514                 } else
 515                         m_reference = parser.m_ref;
 516
 517                 eDebug("alloc PVR");
 518                         /* allocate PVR */
 519                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 520                 if (res)
 521                         eDebug("allocatePVRChannel failed!\n");
 522                 m_channel = m_pvr_channel;
 523         }
 524
 525         if (m_channel)
 526         {
 527                 m_channel->connectStateChange(
 528                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 529                         m_channelStateChanged_connection);
 530                 m_last_channel_state = -1;
 531                 channelStateChanged(m_channel);
 532
 533                 m_channel->connectEvent(
 534                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 535                         m_channelEvent_connection);
 536
 537                 if (ref.path.empty())
 538                 {
 539                         delete m_dvb_scan;
 540                         m_dvb_scan = new eDVBScan(m_channel, false, false);
 541                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 542                 }
 543         } else
 544         {
 545                 serviceEvent(eventNoResources);
 546                 return res;
 547         }
 548
 549         if (m_pvr_channel)
 550         {
 551                 m_pvr_channel->setCueSheet(cue);
 552                 m_pvr_channel->playFile(ref.path.c_str());
 553         }
 554
 555         return res;
 556 }
 557
 558 void eDVBServicePMTHandler::free()
 559 {
 560         m_dvb_scan = 0;
 561         delete m_dvb_scan;
 562
 563         if (m_ca_servicePtr)
 564         {
 565                 int demuxes[2] = {0,0};
 566                 uint8_t tmp;
 567                 m_demux->getCADemuxID(tmp);
 568                 demuxes[0]=tmp;
 569                 if (m_decode_demux_num != 0xFF)
 570                         demuxes[1]=m_decode_demux_num;
 571                 else
 572                         demuxes[1]=demuxes[0];
 573                 ePtr<eTable<ProgramMapSection> > ptr;
 574                 m_PMT.getCurrent(ptr);
 575                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 576                 m_ca_servicePtr = 0;
 577         }
 578
 579         if (m_channel)
 580                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 581
 582         if (m_pvr_channel)
 583         {
 584                 m_pvr_channel->stopFile();
 585                 m_pvr_channel->setCueSheet(0);
 586         }
 587         m_PMT.stop();
 588         m_PAT.stop();
 589         m_service = 0;
 590         m_channel = 0;
 591         m_pvr_channel = 0;
 592         m_demux = 0;
 593 }
 594
 595 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
 596
 597 eDVBCAService::eDVBCAService()
 598         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 599 {
 600         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 601         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 602         Connect();
 603 }
 604
 605 eDVBCAService::~eDVBCAService()
 606 {
 607         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 608         ::close(m_sock);
 609 }
 610
 611 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 612 {
 613         CAServiceMap::iterator it = exist.find(ref);
 614         if ( it != exist.end() )
 615                 caservice = it->second;
 616         else
 617         {
 618                 caservice = (exist[ref]=new eDVBCAService());
 619                 caservice->m_service = ref;
 620                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 621         }
 622
 623         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 624         for (int i=0; i < loops; ++i)
 625         {
 626 // search free demux entry
 627                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 628
 629                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 630                         ++iter;
 631
 632                 if ( iter < max_demux_slots )
 633                 {
 634                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 635                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 636                 }
 637                 else
 638                 {
 639                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 640                         return -1;
 641                 }
 642         }
 643         return 0;
 644 }
 645
 646 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 647 {
 648         CAServiceMap::iterator it = exist.find(ref);
 649         if ( it == exist.end() )
 650         {
 651                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 652                 return -1;
 653         }
 654         else
 655         {
 656                 eDVBCAService *caservice = it->second;
 657                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 658                 for (int i=0; i < loops; ++i)
 659                 {
 660                         bool freed = false;
 661                         int iter = 0,
 662                                 used_demux_slots = 0,
 663                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 664                         while ( iter < max_demux_slots )
 665                         {
 666                                 if ( caservice->m_used_demux[iter] != 0xFF )
 667                                 {
 668                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 669                                         {
 670                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 671                                                 caservice->m_used_demux[iter] = 0xFF;
 672                                                 freed=true;
 673                                         }
 674                                         else
 675                                                 ++used_demux_slots;
 676                                 }
 677                                 ++iter;
 678                         }
 679                         if (!freed)
 680                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 681                         if (i || loops == 1)
 682                         {
 683                                 if (!used_demux_slots)  // no more used.. so we remove it
 684                                 {
 685                                         delete it->second;
 686                                         exist.erase(it);
 687                                 }
 688                                 else
 689                                 {
 690                                         if (ptr)
 691                                                 it->second->buildCAPMT(ptr);
 692                                         else
 693                                                 eDebug("[eDVBCAService] can not send updated demux info");
 694                                 }
 695                         }
 696                 }
 697         }
 698         return 0;
 699 }
 700
 701 void eDVBCAService::Connect()
 702 {
 703         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 704         m_servaddr.sun_family = AF_UNIX;
 705         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 706         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 707         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 708         connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
 709         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 710         int val=1;
 711         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 712 }
 713
 714 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 715 {
 716         if (!ptr)
 717                 return;
 718
 719         eDVBTableSpec table_spec;
 720         ptr->getSpec(table_spec);
 721
 722         int pmtpid = table_spec.pid,
 723                 pmt_version = table_spec.version;
 724
 725         uint8_t demux_mask = 0;
 726         int data_demux = -1;
 727
 728         int iter=0, max_demux_slots = sizeof(m_used_demux);
 729         while ( iter < max_demux_slots )
 730         {
 731                 if ( m_used_demux[iter] != 0xFF )
 732                 {
 733                         if ( m_used_demux[iter] > data_demux )
 734                                 data_demux = m_used_demux[iter];
 735                         demux_mask |= (1 << m_used_demux[iter]);
 736                 }
 737                 ++iter;
 738         }
 739
 740         if ( data_demux == -1 )
 741         {
 742                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 743                 return;
 744         }
 745
 746         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 747
 748         unsigned int build_hash = (pmtpid << 16);
 749         build_hash |= (demux_mask << 8);
 750         build_hash |= (pmt_version&0xFF);
 751
 752         if ( build_hash == m_prev_build_hash )
 753         {
 754                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 755                 return;
 756         }
 757
 758         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 759         if ( i != ptr->getSections().end() )
 760         {
 761                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 762
 763                 while( i != ptr->getSections().end() )
 764                 {
 765 //                      eDebug("append");
 766                         capmt.append(*i++);
 767                 }
 768
 769                 // add our private descriptors to capmt
 770                 uint8_t tmp[10];
 771
 772                 tmp[0]=0x84;  // pmt pid
 773                 tmp[1]=0x02;
 774                 tmp[2]=pmtpid>>8;
 775                 tmp[3]=pmtpid&0xFF;
 776                 capmt.injectDescriptor(tmp, false);
 777
 778                 tmp[0] = 0x82; // demux
 779                 tmp[1] = 0x02;
 780                 tmp[2] = demux_mask;    // descramble bitmask
 781                 tmp[3] = data_demux&0xFF; // read section data from demux number
 782                 capmt.injectDescriptor(tmp, false);
 783
 784                 tmp[0] = 0x81; // dvbnamespace
 785                 tmp[1] = 0x08;
 786                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 787                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 788                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 789                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 790                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 791                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 792                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 793                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 794                 capmt.injectDescriptor(tmp, false);
 795
 796                 capmt.writeToBuffer(m_capmt);
 797         }
 798
 799         m_prev_build_hash = build_hash;
 800
 801         if ( m_sendstate != 0xFFFFFFFF )
 802                 m_sendstate=0;
 803         sendCAPMT();
 804 }
 805
 806 void eDVBCAService::sendCAPMT()
 807 {
 808         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 809         {
 810                 ::close(m_sock);
 811                 Connect();
 812         }
 813
 814         int wp=0;
 815         if ( m_capmt[3] & 0x80 )
 816         {
 817                 int i=0;
 818                 int lenbytes = m_capmt[3] & ~0x80;
 819                 while(i < lenbytes)
 820                         wp = (wp << 8) | m_capmt[4 + i++];
 821                 wp+=4;
 822                 wp+=lenbytes;
 823         }
 824         else
 825         {
 826                 wp = m_capmt[3];
 827                 wp+=4;
 828         }
 829
 830         if ( write(m_sock, m_capmt, wp) == wp )
 831         {
 832                 m_sendstate=0xFFFFFFFF;
 833                 eDebug("[eDVBCAService] send %d bytes",wp);
 834 #if 1
 835                 for(int i=0;i<wp;i++)
 836                         eDebugNoNewLine("%02x ", m_capmt[i]);
 837                 eDebug("");
 838 #endif
 839         }
 840         else
 841         {
 842                 switch(m_sendstate)
 843                 {
 844                         case 0xFFFFFFFF:
 845                                 ++m_sendstate;
 846                                 m_retryTimer.start(0,true);
 847 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 848                                 break;
 849                         default:
 850                                 m_retryTimer.start(5000,true);
 851 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 852                                 break;
 853                 }
 854                 ++m_sendstate;
 855         }
 856 }
 857
 858 static PyObject *createTuple(int pid, const char *type)
 859 {
 860         PyObject *r = PyTuple_New(2);
 861         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
 862         PyTuple_SetItem(r, 1, PyString_FromString(type));
 863         return r;
 864 }
 865
 866 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
 867 {
 868         PyList_Append(list, item);
 869         Py_DECREF(item);
 870 }
 871
 872 PyObject *eDVBServicePMTHandler::program::createPythonObject()
 873 {
 874         PyObject *r = PyDict_New();
 875
 876         PyObject *l = PyList_New(0);
 877
 878         PyList_AppendSteal(l, createTuple(0, "pat"));
 879
 880         if (pmtPid != -1)
 881                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
 882
 883         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
 884                         i(videoStreams.begin());
 885                         i != videoStreams.end(); ++i)
 886                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
 887
 888         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
 889                         i(audioStreams.begin());
 890                         i != audioStreams.end(); ++i)
 891                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
 892
 893         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
 894                         i(subtitleStreams.begin());
 895                         i != subtitleStreams.end(); ++i)
 896                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
 897
 898         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
 899
 900         if (textPid != -1)
 901                 PyList_AppendSteal(l, createTuple(textPid, "text"));
 902
 903         PyDict_SetItemString(r, "pids", l);
 904         return r;
 905 }