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
 220         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 221         {
 222                 int cached_apid_ac3 = -1;
 223                 int cached_apid_mpeg = -1;
 224                 int cached_vpid = -1;
 225                 int cached_tpid = -1;
 226                 if ( m_service && !m_service->cacheEmpty() )
 227                 {
 228                         cached_vpid = m_service->getCachePID(eDVBService::cVPID);
 229                         cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
 230                         cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
 231                         cached_tpid = m_service->getCachePID(eDVBService::cTPID);
 232                 }
 233                 eDVBTableSpec table_spec;
 234                 ptr->getSpec(table_spec);
 235                 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 236                 std::vector<ProgramMapSection*>::const_iterator i;
 237                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 238                 {
 239                         const ProgramMapSection &pmt = **i;
 240                         program.pcrPid = pmt.getPcrPid();
 241
 242                         ElementaryStreamInfoConstIterator es;
 243                         for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 244                         {
 245                                 int isaudio = 0, isvideo = 0, cadescriptors = 0;
 246                                 videoStream video;
 247                                 audioStream audio;
 248                                 audio.component_tag=-1;
 249                                 video.component_tag=-1;
 250
 251                                 video.pid = (*es)->getPid();
 252                                 audio.pid = (*es)->getPid();
 253
 254                                 switch ((*es)->getType())
 255                                 {
 256                                 case 0x01: // MPEG 1 video
 257                                 case 0x02: // MPEG 2 video
 258                                         isvideo = 1;
 259                                         //break; fall through !!!
 260                                 case 0x03: // MPEG 1 audio
 261                                 case 0x04: // MPEG 2 audio:
 262                                         if (!isvideo)
 263                                         {
 264                                                 isaudio = 1;
 265                                                 audio.type = audioStream::atMPEG;
 266                                         }
 267                                         //break; fall through !!!
 268                                 case 0x06: // PES Private
 269                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 270                                                    check descriptors to get the exact type. */
 271                                         for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 272                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 273                                         {
 274                                                 switch ((*desc)->getTag())
 275                                                 {
 276                                                 case TELETEXT_DESCRIPTOR:
 277                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 278                                                                 program.textPid = (*es)->getPid();
 279                                                         break;
 280                                                 case AC3_DESCRIPTOR:
 281                                                         if (!isvideo)
 282                                                         {
 283                                                                 isaudio = 1;
 284                                                                 audio.type = audioStream::atAC3;
 285                                                         }
 286                                                         break;
 287                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 288                                                         if (!isvideo)
 289                                                         {
 290                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 291                                                                         /* use last language code */
 292                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 293                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 294                                                         }
 295                                                         break;
 296                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 297                                                         audio.component_tag =
 298                                                                 video.component_tag =
 299                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 300                                                         break;
 301                                                 case CA_DESCRIPTOR:
 302                                                         ++cadescriptors;
 303                                                         break;
 304                                                 }
 305                                         }
 306                                         break;
 307                                 }
 308                                 if (isaudio)
 309                                 {
 310                                         if ( !program.audioStreams.empty() &&
 311                                                 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 312                                         {
 313                                                 program.audioStreams.push_back(program.audioStreams[0]);
 314                                                 program.audioStreams[0] = audio;
 315                                         }
 316                                         else
 317                                                 program.audioStreams.push_back(audio);
 318                                 }
 319                                 else if (isvideo)
 320                                 {
 321                                         if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 322                                         {
 323                                                 program.videoStreams.push_back(program.videoStreams[0]);
 324                                                 program.videoStreams[0] = video;
 325                                         }
 326                                         else
 327                                                 program.videoStreams.push_back(video);
 328                                 }
 329                                 else
 330                                         continue;
 331                                 if ( cadescriptors > 0 )
 332                                         program.isCrypted=true;
 333                         }
 334                         if ( !program.isCrypted )
 335                         {
 336                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 337                                         desc != pmt.getDescriptors()->end(); ++desc)
 338                                 {
 339                                         switch ((*desc)->getTag())
 340                                         {
 341                                         case CA_DESCRIPTOR:
 342                                                 program.isCrypted=true;
 343                                                 break;
 344                                         }
 345                                 }
 346                                 break;
 347                         }
 348                 }
 349                 return 0;
 350         } else if ( m_service && !m_service->cacheEmpty() )
 351         {
 352                 int vpid = m_service->getCachePID(eDVBService::cVPID),
 353                         apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
 354                         apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
 355                         pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
 356                         tpid = m_service->getCachePID(eDVBService::cTPID),
 357                         cnt=0;
 358                 if ( vpid != -1 )
 359                 {
 360                         videoStream s;
 361                         s.pid = vpid;
 362                         program.videoStreams.push_back(s);
 363                         ++cnt;
 364                 }
 365                 if ( apid_ac3 != -1 )
 366                 {
 367                         audioStream s;
 368                         s.type = audioStream::atAC3;
 369                         s.pid = apid_ac3;
 370                         program.audioStreams.push_back(s);
 371                         ++cnt;
 372                 }
 373                 if ( apid_mpeg != -1 )
 374                 {
 375                         audioStream s;
 376                         s.type = audioStream::atMPEG;
 377                         s.pid = apid_mpeg;
 378                         program.audioStreams.push_back(s);
 379                         ++cnt;
 380                 }
 381                 if ( pcrpid != -1 )
 382                 {
 383                         ++cnt;
 384                         program.pcrPid = pcrpid;
 385                 }
 386                 if ( tpid != -1 )
 387                 {
 388                         ++cnt;
 389                         program.textPid = tpid;
 390                 }
 391                 if ( cnt )
 392                         return 0;
 393         }
 394         return -1;
 395 }
 396
 397 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 398 {
 399         channel = m_channel;
 400         if (channel)
 401                 return 0;
 402         else
 403                 return -1;
 404 }
 405
 406 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 407 {
 408         demux = m_demux;
 409         if (demux)
 410                 return 0;
 411         else
 412                 return -1;
 413 }
 414
 415 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 416 {
 417         int ret=0;
 418                 /* if we're using the decoding demux as data source
 419                    (for example in pvr playbacks), return that one. */
 420         if (m_use_decode_demux)
 421         {
 422                 demux = m_demux;
 423                 return ret;
 424         }
 425
 426         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 427
 428         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 429         if (!ret)
 430                 demux->getCADemuxID(m_decode_demux_num);
 431
 432         return ret;
 433 }
 434
 435 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 436 {
 437         pvr_channel = m_pvr_channel;
 438         if (pvr_channel)
 439                 return 0;
 440         else
 441                 return -1;
 442 }
 443
 444 void eDVBServicePMTHandler::SDTScanEvent(int event)
 445 {
 446         eDebug("scan event %d!", event);
 447
 448         switch (event)
 449         {
 450                 case eDVBScan::evtFinish:
 451                 {
 452                         ePtr<iDVBChannelList> db;
 453                         int err;
 454                         if ((err = m_resourceManager->getChannelList(db)) != 0)
 455                                 eDebug("no channel list");
 456                         else
 457                         {
 458                                 m_dvb_scan->insertInto(db);
 459                                 eDebug("scan done!");
 460                         }
 461                         break;
 462                 }
 463
 464                 case eDVBScan::evtNewService:
 465                         eDebug("scan new service");
 466                         break;
 467
 468                 case eDVBScan::evtFail:
 469                         eDebug("scan failed.");
 470                         break;
 471
 472                 default:
 473                         break;
 474         }
 475 }
 476
 477 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 478 {
 479         RESULT res;
 480         m_reference = ref;
 481
 482         m_use_decode_demux = use_decode_demux;
 483
 484                 /* is this a normal (non PVR) channel? */
 485         if (ref.path.empty())
 486         {
 487                 eDVBChannelID chid;
 488                 ref.getChannelID(chid);
 489                 res = m_resourceManager->allocateChannel(chid, m_channel);
 490                 eDebug("allocate Channel: res %d", res);
 491         } else
 492         {
 493                 eDVBMetaParser parser;
 494
 495                 if (parser.parseFile(ref.path))
 496                 {
 497                         eWarning("no .meta file found, trying to find PMT pid");
 498                         eDVBTSTools tstools;
 499                         if (tstools.openFile(ref.path.c_str()))
 500                                 eWarning("failed to open file");
 501                         else
 502                         {
 503                                 int service_id, pmt_pid;
 504                                 if (!tstools.findPMT(pmt_pid, service_id))
 505                                 {
 506                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 507                                         m_reference.setServiceID(service_id);
 508                                         m_pmt_pid = pmt_pid;
 509                                 }
 510                         }
 511                 } else
 512                         m_reference = parser.m_ref;
 513
 514                 eDebug("alloc PVR");
 515                         /* allocate PVR */
 516                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 517                 if (res)
 518                         eDebug("allocatePVRChannel failed!\n");
 519                 m_channel = m_pvr_channel;
 520         }
 521
 522         ePtr<iDVBChannelList> db;
 523         if (!m_resourceManager->getChannelList(db))
 524                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 525
 526         if (m_channel)
 527         {
 528                 m_channel->connectStateChange(
 529                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 530                         m_channelStateChanged_connection);
 531                 m_last_channel_state = -1;
 532                 channelStateChanged(m_channel);
 533
 534                 m_channel->connectEvent(
 535                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 536                         m_channelEvent_connection);
 537
 538                 if (ref.path.empty())
 539                 {
 540                         delete m_dvb_scan;
 541                         m_dvb_scan = new eDVBScan(m_channel);
 542                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 543                 }
 544         } else
 545         {
 546                 serviceEvent(eventTuneFailed);
 547                 return res;
 548         }
 549
 550         if (m_pvr_channel)
 551         {
 552                 m_pvr_channel->setCueSheet(cue);
 553                 m_pvr_channel->playFile(ref.path.c_str());
 554         }
 555
 556         return res;
 557 }
 558
 559 void eDVBServicePMTHandler::free()
 560 {
 561         eDVBScan *tmp = m_dvb_scan;
 562         m_dvb_scan = 0;
 563         delete m_dvb_scan;
 564
 565         if (m_ca_servicePtr)
 566         {
 567                 int demuxes[2] = {0,0};
 568                 uint8_t tmp;
 569                 m_demux->getCADemuxID(tmp);
 570                 demuxes[0]=tmp;
 571                 if (m_decode_demux_num != 0xFF)
 572                         demuxes[1]=m_decode_demux_num;
 573                 else
 574                         demuxes[1]=demuxes[0];
 575                 ePtr<eTable<ProgramMapSection> > ptr;
 576                 m_PMT.getCurrent(ptr);
 577                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 578                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 579                 m_ca_servicePtr = 0;
 580         }
 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 }