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
  16 eDVBServicePMTHandler::eDVBServicePMTHandler()
  17         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  18 {
  19         m_use_decode_demux = 0;
  20         m_pmt_pid = -1;
  21         eDVBResourceManager::getInstance(m_resourceManager);
  22         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  23         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  24 }
  25
  26 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  27 {
  28         free();
  29 }
  30
  31 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  32 {
  33         int state;
  34         channel->getState(state);
  35
  36         if ((m_last_channel_state != iDVBChannel::state_ok)
  37                 && (state == iDVBChannel::state_ok) && (!m_demux))
  38         {
  39                 if (m_channel)
  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-");
  42
  43                 serviceEvent(eventTuned);
  44
  45                 if (m_demux)
  46                 {
  47                         eDebug("ok ... now we start!!");
  48
  49                         if (m_pmt_pid == -1)
  50                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  51                         else
  52                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  53
  54                         if ( m_service && !m_service->cacheEmpty() )
  55                                 serviceEvent(eventNewProgramInfo);
  56                 }
  57         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  58                         (state == iDVBChannel::state_failed))
  59         {
  60                 eDebug("tune failed.");
  61                 serviceEvent(eventTuneFailed);
  62         }
  63 }
  64
  65 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  66 {
  67         switch (event)
  68         {
  69         case iDVBChannel::evtEOF:
  70                 serviceEvent(eventEOF);
  71                 break;
  72         case iDVBChannel::evtSOF:
  73                 serviceEvent(eventSOF);
  74                 break;
  75         default:
  76                 break;
  77         }
  78 }
  79
  80 void eDVBServicePMTHandler::PMTready(int error)
  81 {
  82         if (error)
  83                 serviceEvent(eventNoPMT);
  84         else
  85         {
  86                 serviceEvent(eventNewProgramInfo);
  87                 eEPGCache::getInstance()->PMTready(this);
  88                 if (!m_pvr_channel)
  89                 {
  90                         if(!m_ca_servicePtr)   // don't send campmt to camd.socket for playbacked services
  91                         {
  92                                 int demuxes[2] = {0,0};
  93                                 uint8_t tmp;
  94                                 m_demux->getCADemuxID(tmp);
  95                                 demuxes[0]=tmp;
  96                                 if (m_decode_demux_num != 0xFF)
  97                                         demuxes[1]=m_decode_demux_num;
  98                                 else
  99                                         demuxes[1]=demuxes[0];
 100                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 101                                 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 102                         }
 103                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 104                 }
 105                 if (m_ca_servicePtr)
 106                 {
 107                         ePtr<eTable<ProgramMapSection> > ptr;
 108                         if (!m_PMT.getCurrent(ptr))
 109                                 m_ca_servicePtr->buildCAPMT(ptr);
 110                         else
 111                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 112                 }
 113         }
 114 }
 115
 116 void eDVBServicePMTHandler::PATready(int)
 117 {
 118         ePtr<eTable<ProgramAssociationSection> > ptr;
 119         if (!m_PAT.getCurrent(ptr))
 120         {
 121                 int pmtpid = -1;
 122                 std::vector<ProgramAssociationSection*>::const_iterator i;
 123                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 124                 {
 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();
 130                 }
 131                 if (pmtpid == -1)
 132                         serviceEvent(eventNoPATEntry);
 133                 else
 134                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 135         } else
 136                 serviceEvent(eventNoPAT);
 137 }
 138
 139 PyObject *eDVBServicePMTHandler::getCaIds()
 140 {
 141         PyObject *ret=0;
 142
 143         ePtr<eTable<ProgramMapSection> > ptr;
 144
 145         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 146         {
 147                 uint16_t caids[255];
 148                 memset(caids, 0, sizeof(caids));
 149                 std::vector<ProgramMapSection*>::const_iterator i = ptr->getSections().begin();
 150                 for (; i != ptr->getSections().end(); ++i)
 151                 {
 152                         const ProgramMapSection &pmt = **i;
 153                         ElementaryStreamInfoConstIterator es = pmt.getEsInfo()->begin();
 154                         for (; es != pmt.getEsInfo()->end(); ++es)
 155                         {
 156                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 157                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 158                                 {
 159                                         switch ((*desc)->getTag())
 160                                         {
 161                                                 case CA_DESCRIPTOR:
 162                                                 {
 163                                                         const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
 164                                                         uint16_t caid = cadescr->getCaSystemId();
 165                                                         int idx=0;
 166                                                         while (caids[idx] && caids[idx] != caid)
 167                                                                 ++idx;
 168                                                         caids[idx]=caid;
 169                                                         break;
 170                                                 }
 171                                         }
 172                                 }
 173                         }
 174                         for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 175                                 desc != pmt.getDescriptors()->end(); ++desc)
 176                         {
 177                                 switch ((*desc)->getTag())
 178                                 {
 179                                         case CA_DESCRIPTOR:
 180                                         {
 181                                                 const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
 182                                                 uint16_t caid = cadescr->getCaSystemId();
 183                                                 int idx=0;
 184                                                 while (caids[idx] && caids[idx] != caid)
 185                                                         ++idx;
 186                                                 caids[idx]=caid;
 187                                                 break;
 188                                         }
 189                                 }
 190                         }
 191                 }
 192                 int cnt=0;
 193                 while (caids[cnt])
 194                         ++cnt;
 195                 if (cnt)
 196                 {
 197                         ret=PyList_New(cnt);
 198                         while(cnt--)
 199                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(caids[cnt]));
 200                 }
 201         }
 202
 203         if (!ret)
 204                 ret=PyList_New(0);
 205
 206         return ret;
 207 }
 208
 209 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 210 {
 211         ePtr<eTable<ProgramMapSection> > ptr;
 212
 213         program.videoStreams.clear();
 214         program.audioStreams.clear();
 215         program.pcrPid = -1;
 216         program.isCrypted = false;
 217         program.pmtPid = -1;
 218         program.textPid = -1;
 219         program.audioChannel = m_service ? m_service->getCacheEntry(eDVBService::cACHANNEL) : -1;
 220
 221         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 222         {
 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() )
 228                 {
 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);
 233                 }
 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)
 239                 {
 240                         const ProgramMapSection &pmt = **i;
 241                         program.pcrPid = pmt.getPcrPid();
 242
 243                         ElementaryStreamInfoConstIterator es;
 244                         for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 245                         {
 246                                 int isaudio = 0, isvideo = 0, cadescriptors = 0;
 247                                 videoStream video;
 248                                 audioStream audio;
 249                                 audio.component_tag=-1;
 250                                 video.component_tag=-1;
 251
 252                                 video.pid = (*es)->getPid();
 253                                 audio.pid = (*es)->getPid();
 254                                 video.type = videoStream::vtMPEG2;
 255
 256                                 switch ((*es)->getType())
 257                                 {
 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
 262                                         isvideo = 1;
 263                                         //break; fall through !!!
 264                                 case 0x03: // MPEG 1 audio
 265                                 case 0x04: // MPEG 2 audio:
 266                                         if (!isvideo)
 267                                         {
 268                                                 isaudio = 1;
 269                                                 audio.type = audioStream::atMPEG;
 270                                         }
 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)
 277                                         {
 278                                                 switch ((*desc)->getTag())
 279                                                 {
 280                                                 case TELETEXT_DESCRIPTOR:
 281                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 282                                                                 program.textPid = (*es)->getPid();
 283                                                         break;
 284                                                 case DTS_DESCRIPTOR:
 285                                                         if (!isvideo)
 286                                                         {
 287                                                                 isaudio = 1;
 288                                                                 audio.type = audioStream::atDTS;
 289                                                         }
 290                                                         break;
 291                                                 case AAC_DESCRIPTOR:
 292                                                         if (!isvideo)
 293                                                         {
 294                                                                 isaudio = 1;
 295                                                                 audio.type = audioStream::atAAC;
 296                                                         }
 297                                                         break;
 298                                                 case AC3_DESCRIPTOR:
 299                                                         if (!isvideo)
 300                                                         {
 301                                                                 isaudio = 1;
 302                                                                 audio.type = audioStream::atAC3;
 303                                                         }
 304                                                         break;
 305                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 306                                                         if (!isvideo)
 307                                                         {
 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();
 312                                                         }
 313                                                         break;
 314                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 315                                                         audio.component_tag =
 316                                                                 video.component_tag =
 317                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 318                                                         break;
 319                                                 case CA_DESCRIPTOR:
 320                                                         ++cadescriptors;
 321                                                         break;
 322                                                 }
 323                                         }
 324                                         break;
 325                                 }
 326                                 if (isaudio)
 327                                 {
 328                                         if ( !program.audioStreams.empty() &&
 329                                                 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 330                                         {
 331                                                 program.audioStreams.push_back(program.audioStreams[0]);
 332                                                 program.audioStreams[0] = audio;
 333                                         }
 334                                         else
 335                                                 program.audioStreams.push_back(audio);
 336                                 }
 337                                 else if (isvideo)
 338                                 {
 339                                         if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 340                                         {
 341                                                 program.videoStreams.push_back(program.videoStreams[0]);
 342                                                 program.videoStreams[0] = video;
 343                                         }
 344                                         else
 345                                                 program.videoStreams.push_back(video);
 346                                 }
 347                                 else
 348                                         continue;
 349                                 if ( cadescriptors > 0 )
 350                                         program.isCrypted=true;
 351                         }
 352                         if ( !program.isCrypted )
 353                         {
 354                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 355                                         desc != pmt.getDescriptors()->end(); ++desc)
 356                                 {
 357                                         switch ((*desc)->getTag())
 358                                         {
 359                                         case CA_DESCRIPTOR:
 360                                                 program.isCrypted=true;
 361                                                 break;
 362                                         }
 363                                 }
 364                                 break;
 365                         }
 366                 }
 367                 return 0;
 368         } else if ( m_service && !m_service->cacheEmpty() )
 369         {
 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),
 376                         cnt=0;
 377                 if ( vpidtype == -1 )
 378                         vpidtype = videoStream::vtMPEG2;
 379                 if ( vpid != -1 )
 380                 {
 381                         videoStream s;
 382                         s.pid = vpid;
 383                         s.type = vpidtype;
 384                         program.videoStreams.push_back(s);
 385                         ++cnt;
 386                 }
 387                 if ( apid_ac3 != -1 )
 388                 {
 389                         audioStream s;
 390                         s.type = audioStream::atAC3;
 391                         s.pid = apid_ac3;
 392                         program.audioStreams.push_back(s);
 393                         ++cnt;
 394                 }
 395                 if ( apid_mpeg != -1 )
 396                 {
 397                         audioStream s;
 398                         s.type = audioStream::atMPEG;
 399                         s.pid = apid_mpeg;
 400                         program.audioStreams.push_back(s);
 401                         ++cnt;
 402                 }
 403                 if ( pcrpid != -1 )
 404                 {
 405                         ++cnt;
 406                         program.pcrPid = pcrpid;
 407                 }
 408                 if ( tpid != -1 )
 409                 {
 410                         ++cnt;
 411                         program.textPid = tpid;
 412                 }
 413                 if ( cnt )
 414                         return 0;
 415         }
 416         return -1;
 417 }
 418
 419 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 420 {
 421         channel = m_channel;
 422         if (channel)
 423                 return 0;
 424         else
 425                 return -1;
 426 }
 427
 428 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 429 {
 430         demux = m_demux;
 431         if (demux)
 432                 return 0;
 433         else
 434                 return -1;
 435 }
 436
 437 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 438 {
 439         int ret=0;
 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)
 443         {
 444                 demux = m_demux;
 445                 return ret;
 446         }
 447
 448         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 449
 450         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 451         if (!ret)
 452                 demux->getCADemuxID(m_decode_demux_num);
 453
 454         return ret;
 455 }
 456
 457 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 458 {
 459         pvr_channel = m_pvr_channel;
 460         if (pvr_channel)
 461                 return 0;
 462         else
 463                 return -1;
 464 }
 465
 466 void eDVBServicePMTHandler::SDTScanEvent(int event)
 467 {
 468         switch (event)
 469         {
 470                 case eDVBScan::evtFinish:
 471                 {
 472                         ePtr<iDVBChannelList> db;
 473                         if (m_resourceManager->getChannelList(db) != 0)
 474                                 eDebug("no channel list");
 475                         else
 476                         {
 477                                 m_dvb_scan->insertInto(db);
 478                                 eDebug("sdt update done!");
 479                         }
 480                         break;
 481                 }
 482
 483                 default:
 484                         break;
 485         }
 486 }
 487
 488 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 489 {
 490         RESULT res;
 491         m_reference = ref;
 492
 493         m_use_decode_demux = use_decode_demux;
 494
 495                 /* is this a normal (non PVR) channel? */
 496         if (ref.path.empty())
 497         {
 498                 eDVBChannelID chid;
 499                 ref.getChannelID(chid);
 500                 res = m_resourceManager->allocateChannel(chid, m_channel);
 501                 eDebug("allocate Channel: res %d", res);
 502         } else
 503         {
 504                 eDVBMetaParser parser;
 505
 506                 if (parser.parseFile(ref.path))
 507                 {
 508                         eWarning("no .meta file found, trying to find PMT pid");
 509                         eDVBTSTools tstools;
 510                         if (tstools.openFile(ref.path.c_str()))
 511                                 eWarning("failed to open file");
 512                         else
 513                         {
 514                                 int service_id, pmt_pid;
 515                                 if (!tstools.findPMT(pmt_pid, service_id))
 516                                 {
 517                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 518                                         m_reference.setServiceID(service_id);
 519                                         m_pmt_pid = pmt_pid;
 520                                 }
 521                         }
 522                 } else
 523                         m_reference = parser.m_ref;
 524
 525                 eDebug("alloc PVR");
 526                         /* allocate PVR */
 527                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 528                 if (res)
 529                         eDebug("allocatePVRChannel failed!\n");
 530                 m_channel = m_pvr_channel;
 531         }
 532
 533         ePtr<iDVBChannelList> db;
 534         if (!m_resourceManager->getChannelList(db))
 535                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 536
 537         if (m_channel)
 538         {
 539                 m_channel->connectStateChange(
 540                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 541                         m_channelStateChanged_connection);
 542                 m_last_channel_state = -1;
 543                 channelStateChanged(m_channel);
 544
 545                 m_channel->connectEvent(
 546                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 547                         m_channelEvent_connection);
 548
 549                 if (ref.path.empty())
 550                 {
 551                         delete m_dvb_scan;
 552                         m_dvb_scan = new eDVBScan(m_channel);
 553                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 554                 }
 555         } else
 556         {
 557                 serviceEvent(eventTuneFailed);
 558                 return res;
 559         }
 560
 561         if (m_pvr_channel)
 562         {
 563                 m_pvr_channel->setCueSheet(cue);
 564                 m_pvr_channel->playFile(ref.path.c_str());
 565         }
 566
 567         return res;
 568 }
 569
 570 void eDVBServicePMTHandler::free()
 571 {
 572         eDVBScan *tmp = m_dvb_scan;  // do a copy on stack (recursive call of free()) !!!
 573         m_dvb_scan = 0;
 574         delete m_dvb_scan;
 575
 576         if (m_ca_servicePtr)
 577         {
 578                 int demuxes[2] = {0,0};
 579                 uint8_t tmp;
 580                 m_demux->getCADemuxID(tmp);
 581                 demuxes[0]=tmp;
 582                 if (m_decode_demux_num != 0xFF)
 583                         demuxes[1]=m_decode_demux_num;
 584                 else
 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);
 590                 m_ca_servicePtr = 0;
 591         }
 592
 593         if (m_pvr_channel)
 594         {
 595                 m_pvr_channel->stopFile();
 596                 m_pvr_channel->setCueSheet(0);
 597         }
 598         m_PMT.stop();
 599         m_PAT.stop();
 600         m_service = 0;
 601         m_channel = 0;
 602         m_pvr_channel = 0;
 603         m_demux = 0;
 604 }
 605
 606 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
 607
 608 eDVBCAService::eDVBCAService()
 609         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 610 {
 611         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 612         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 613         Connect();
 614 }
 615
 616 eDVBCAService::~eDVBCAService()
 617 {
 618         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 619         ::close(m_sock);
 620 }
 621
 622 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 623 {
 624         CAServiceMap::iterator it = exist.find(ref);
 625         if ( it != exist.end() )
 626                 caservice = it->second;
 627         else
 628         {
 629                 caservice = (exist[ref]=new eDVBCAService());
 630                 caservice->m_service = ref;
 631                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 632         }
 633
 634         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 635         for (int i=0; i < loops; ++i)
 636         {
 637 // search free demux entry
 638                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 639
 640                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 641                         ++iter;
 642
 643                 if ( iter < max_demux_slots )
 644                 {
 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());
 647                 }
 648                 else
 649                 {
 650                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 651                         return -1;
 652                 }
 653         }
 654         return 0;
 655 }
 656
 657 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 658 {
 659         CAServiceMap::iterator it = exist.find(ref);
 660         if ( it == exist.end() )
 661         {
 662                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 663                 return -1;
 664         }
 665         else
 666         {
 667                 eDVBCAService *caservice = it->second;
 668                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 669                 for (int i=0; i < loops; ++i)
 670                 {
 671                         bool freed = false;
 672                         int iter = 0,
 673                                 used_demux_slots = 0,
 674                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 675                         while ( iter < max_demux_slots )
 676                         {
 677                                 if ( caservice->m_used_demux[iter] != 0xFF )
 678                                 {
 679                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 680                                         {
 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;
 683                                                 freed=true;
 684                                         }
 685                                         else
 686                                                 ++used_demux_slots;
 687                                 }
 688                                 ++iter;
 689                         }
 690                         if (!freed)
 691                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 692                         if (i || loops == 1)
 693                         {
 694                                 if (!used_demux_slots)  // no more used.. so we remove it
 695                                 {
 696                                         delete it->second;
 697                                         exist.erase(it);
 698                                 }
 699                                 else
 700                                 {
 701                                         if (ptr)
 702                                                 it->second->buildCAPMT(ptr);
 703                                         else
 704                                                 eDebug("[eDVBCAService] can not send updated demux info");
 705                                 }
 706                         }
 707                 }
 708         }
 709         return 0;
 710 }
 711
 712 void eDVBCAService::Connect()
 713 {
 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);
 721         int val=1;
 722         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 723 }
 724
 725 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 726 {
 727         if (!ptr)
 728                 return;
 729
 730         eDVBTableSpec table_spec;
 731         ptr->getSpec(table_spec);
 732
 733         int pmtpid = table_spec.pid,
 734                 pmt_version = table_spec.version;
 735
 736         uint8_t demux_mask = 0;
 737         int data_demux = -1;
 738
 739         int iter=0, max_demux_slots = sizeof(m_used_demux);
 740         while ( iter < max_demux_slots )
 741         {
 742                 if ( m_used_demux[iter] != 0xFF )
 743                 {
 744                         if ( m_used_demux[iter] > data_demux )
 745                                 data_demux = m_used_demux[iter];
 746                         demux_mask |= (1 << m_used_demux[iter]);
 747                 }
 748                 ++iter;
 749         }
 750
 751         if ( data_demux == -1 )
 752         {
 753                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 754                 return;
 755         }
 756
 757         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 758
 759         unsigned int build_hash = (pmtpid << 16);
 760         build_hash |= (demux_mask << 8);
 761         build_hash |= (pmt_version&0xFF);
 762
 763         if ( build_hash == m_prev_build_hash )
 764         {
 765                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 766                 return;
 767         }
 768
 769         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 770         if ( i != ptr->getSections().end() )
 771         {
 772                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 773
 774                 while( i != ptr->getSections().end() )
 775                 {
 776 //                      eDebug("append");
 777                         capmt.append(*i++);
 778                 }
 779
 780                 // add our private descriptors to capmt
 781                 uint8_t tmp[10];
 782
 783                 tmp[0]=0x84;  // pmt pid
 784                 tmp[1]=0x02;
 785                 tmp[2]=pmtpid>>8;
 786                 tmp[3]=pmtpid&0xFF;
 787                 capmt.injectDescriptor(tmp, false);
 788
 789                 tmp[0] = 0x82; // demux
 790                 tmp[1] = 0x02;
 791                 tmp[2] = demux_mask;    // descramble bitmask
 792                 tmp[3] = data_demux&0xFF; // read section data from demux number
 793                 capmt.injectDescriptor(tmp, false);
 794
 795                 tmp[0] = 0x81; // dvbnamespace
 796                 tmp[1] = 0x08;
 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);
 806
 807                 capmt.writeToBuffer(m_capmt);
 808         }
 809
 810         m_prev_build_hash = build_hash;
 811
 812         if ( m_sendstate != 0xFFFFFFFF )
 813                 m_sendstate=0;
 814         sendCAPMT();
 815 }
 816
 817 void eDVBCAService::sendCAPMT()
 818 {
 819         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 820         {
 821                 ::close(m_sock);
 822                 Connect();
 823         }
 824
 825         int wp=0;
 826         if ( m_capmt[3] & 0x80 )
 827         {
 828                 int i=0;
 829                 int lenbytes = m_capmt[3] & ~0x80;
 830                 while(i < lenbytes)
 831                         wp = (wp << 8) | m_capmt[4 + i++];
 832                 wp+=4;
 833                 wp+=lenbytes;
 834         }
 835         else
 836         {
 837                 wp = m_capmt[3];
 838                 wp+=4;
 839         }
 840
 841         if ( write(m_sock, m_capmt, wp) == wp )
 842         {
 843                 m_sendstate=0xFFFFFFFF;
 844                 eDebug("[eDVBCAService] send %d bytes",wp);
 845 #if 1
 846                 for(int i=0;i<wp;i++)
 847                         eDebugNoNewLine("%02x ", m_capmt[i]);
 848                 eDebug("");
 849 #endif
 850         }
 851         else
 852         {
 853                 switch(m_sendstate)
 854                 {
 855                         case 0xFFFFFFFF:
 856                                 ++m_sendstate;
 857                                 m_retryTimer.start(0,true);
 858 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 859                                 break;
 860                         default:
 861                                 m_retryTimer.start(5000,true);
 862 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 863                                 break;
 864                 }
 865                 ++m_sendstate;
 866         }
 867 }