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 <dvbsi++/ca_program_map_section.h>
   9 #include <dvbsi++/teletext_descriptor.h>
  10 #include <dvbsi++/descriptor_tag.h>
  11 #include <dvbsi++/iso639_language_descriptor.h>
  12 #include <dvbsi++/stream_identifier_descriptor.h>
  13
  14 eDVBServicePMTHandler::eDVBServicePMTHandler()
  15         :m_ca_servicePtr(0)
  16 {
  17         m_use_decode_demux = 0;
  18         eDVBResourceManager::getInstance(m_resourceManager);
  19         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  20         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  21 }
  22
  23 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  24 {
  25         if (m_ca_servicePtr)
  26         {
  27                 eDebug("unregister caservice");
  28                 uint8_t demux_num;
  29                 m_demux->getCADemuxID(demux_num);
  30                 ePtr<eTable<ProgramMapSection> > ptr;
  31                 m_PMT.getCurrent(ptr);
  32                 eDVBCAService::unregister_service(m_reference, demux_num, ptr);
  33                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
  34         }
  35 }
  36
  37 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  38 {
  39         int state;
  40         channel->getState(state);
  41
  42         if ((m_last_channel_state != iDVBChannel::state_ok)
  43                 && (state == iDVBChannel::state_ok) && (!m_demux))
  44         {
  45                 if (m_channel)
  46                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  47                                 eDebug("Allocating a demux for now tuned-in channel failed.");
  48
  49                 serviceEvent(eventTuned);
  50
  51                 if (m_demux)
  52                 {
  53                         eDebug("ok ... now we start!!");
  54
  55                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  56
  57                         if ( m_service && !m_service->cacheEmpty() )
  58                                 serviceEvent(eventNewProgramInfo);
  59                 }
  60         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  61                         (state == iDVBChannel::state_failed))
  62         {
  63                 eDebug("tune failed.");
  64                 serviceEvent(eventTuneFailed);
  65         }
  66 }
  67
  68 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  69 {
  70         switch (event)
  71         {
  72         case iDVBChannel::evtEOF:
  73                 serviceEvent(eventEOF);
  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                                 uint8_t demux_num;
  93                                 m_demux->getCADemuxID(demux_num);
  94                                 eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
  95                                 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
  96                         }
  97                         eDVBCIInterfaces::getInstance()->gotPMT(this);
  98                 }
  99                 if (m_ca_servicePtr)
 100                 {
 101                         ePtr<eTable<ProgramMapSection> > ptr;
 102                         if (!m_PMT.getCurrent(ptr))
 103                                 m_ca_servicePtr->buildCAPMT(ptr);
 104                         else
 105                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 106                 }
 107         }
 108 }
 109
 110 void eDVBServicePMTHandler::PATready(int)
 111 {
 112         ePtr<eTable<ProgramAssociationSection> > ptr;
 113         if (!m_PAT.getCurrent(ptr))
 114         {
 115                 int pmtpid = -1;
 116                 std::vector<ProgramAssociationSection*>::const_iterator i;
 117                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 118                 {
 119                         const ProgramAssociationSection &pat = **i;
 120                         ProgramAssociationConstIterator program;
 121                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 122                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 123                                         pmtpid = (*program)->getProgramMapPid();
 124                 }
 125                 if (pmtpid == -1)
 126                         serviceEvent(eventNoPATEntry);
 127                 else
 128                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 129         } else
 130                 serviceEvent(eventNoPAT);
 131 }
 132
 133 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 134 {
 135         ePtr<eTable<ProgramMapSection> > ptr;
 136
 137         program.videoStreams.clear();
 138         program.audioStreams.clear();
 139         program.pcrPid = -1;
 140         program.isCrypted = false;
 141         program.pmtPid = -1;
 142         program.textPid = -1;
 143
 144         if (!m_PMT.getCurrent(ptr))
 145         {
 146                 int cached_apid_ac3 = -1;
 147                 int cached_apid_mpeg = -1;
 148                 int cached_vpid = -1;
 149                 int cached_tpid = -1;
 150                 if ( m_service && !m_service->cacheEmpty() )
 151                 {
 152                         cached_vpid = m_service->getCachePID(eDVBService::cVPID);
 153                         cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
 154                         cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
 155                         cached_tpid = m_service->getCachePID(eDVBService::cTPID);
 156                 }
 157                 eDVBTableSpec table_spec;
 158                 ptr->getSpec(table_spec);
 159                 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 160                 std::vector<ProgramMapSection*>::const_iterator i;
 161                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 162                 {
 163                         const ProgramMapSection &pmt = **i;
 164                         program.pcrPid = pmt.getPcrPid();
 165
 166                         ElementaryStreamInfoConstIterator es;
 167                         for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 168                         {
 169                                 int isaudio = 0, isvideo = 0, cadescriptors = 0;
 170                                 videoStream video;
 171                                 audioStream audio;
 172                                 audio.component_tag=-1;
 173                                 video.component_tag=-1;
 174
 175                                 video.pid = (*es)->getPid();
 176                                 audio.pid = (*es)->getPid();
 177
 178                                 switch ((*es)->getType())
 179                                 {
 180                                 case 0x01: // MPEG 1 video
 181                                 case 0x02: // MPEG 2 video
 182                                         isvideo = 1;
 183                                         //break; fall through !!!
 184                                 case 0x03: // MPEG 1 audio
 185                                 case 0x04: // MPEG 2 audio:
 186                                         if (!isvideo)
 187                                         {
 188                                                 isaudio = 1;
 189                                                 audio.type = audioStream::atMPEG;
 190                                         }
 191                                         //break; fall through !!!
 192                                 case 0x06: // PES Private
 193                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 194                                                    check descriptors to get the exact type. */
 195                                         for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 196                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 197                                         {
 198                                                 switch ((*desc)->getTag())
 199                                                 {
 200                                                 case TELETEXT_DESCRIPTOR:
 201                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 202                                                                 program.textPid = (*es)->getPid();
 203                                                         break;
 204                                                 case AC3_DESCRIPTOR:
 205                                                         if (!isvideo)
 206                                                         {
 207                                                                 isaudio = 1;
 208                                                                 audio.type = audioStream::atAC3;
 209                                                         }
 210                                                         break;
 211                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 212                                                         if (!isvideo)
 213                                                         {
 214                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 215                                                                         /* use last language code */
 216                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 217                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 218                                                         }
 219                                                         break;
 220                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 221                                                         audio.component_tag =
 222                                                                 video.component_tag =
 223                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 224                                                         break;
 225                                                 case CA_DESCRIPTOR:
 226                                                         ++cadescriptors;
 227                                                         break;
 228                                                 }
 229                                         }
 230                                         break;
 231                                 }
 232                                 if (isaudio)
 233                                 {
 234                                         if ( !program.audioStreams.empty() &&
 235                                                 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 236                                         {
 237                                                 program.audioStreams.push_back(program.audioStreams[0]);
 238                                                 program.audioStreams[0] = audio;
 239                                         }
 240                                         else
 241                                                 program.audioStreams.push_back(audio);
 242                                 }
 243                                 else if (isvideo)
 244                                 {
 245                                         if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 246                                         {
 247                                                 program.videoStreams.push_back(program.videoStreams[0]);
 248                                                 program.videoStreams[0] = video;
 249                                         }
 250                                         else
 251                                                 program.videoStreams.push_back(video);
 252                                 }
 253                                 else
 254                                         continue;
 255                                 if ( cadescriptors > 0 )
 256                                         program.isCrypted=true;
 257                         }
 258                         if ( !program.isCrypted )
 259                         {
 260                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 261                                         desc != pmt.getDescriptors()->end(); ++desc)
 262                                 {
 263                                         switch ((*desc)->getTag())
 264                                         {
 265                                         case CA_DESCRIPTOR:
 266                                                 program.isCrypted=true;
 267                                                 break;
 268                                         }
 269                                 }
 270                                 break;
 271                         }
 272                 }
 273                 return 0;
 274         } else if ( m_service && !m_service->cacheEmpty() )
 275         {
 276                 int vpid = m_service->getCachePID(eDVBService::cVPID),
 277                         apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
 278                         apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
 279                         pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
 280                         tpid = m_service->getCachePID(eDVBService::cTPID),
 281                         cnt=0;
 282                 if ( vpid != -1 )
 283                 {
 284                         videoStream s;
 285                         s.pid = vpid;
 286                         program.videoStreams.push_back(s);
 287                         ++cnt;
 288                 }
 289                 if ( apid_ac3 != -1 )
 290                 {
 291                         audioStream s;
 292                         s.type = audioStream::atAC3;
 293                         s.pid = apid_ac3;
 294                         program.audioStreams.push_back(s);
 295                         ++cnt;
 296                 }
 297                 if ( apid_mpeg != -1 )
 298                 {
 299                         audioStream s;
 300                         s.type = audioStream::atMPEG;
 301                         s.pid = apid_mpeg;
 302                         program.audioStreams.push_back(s);
 303                         ++cnt;
 304                 }
 305                 if ( pcrpid != -1 )
 306                 {
 307                         ++cnt;
 308                         program.pcrPid = pcrpid;
 309                 }
 310                 if ( tpid != -1 )
 311                 {
 312                         ++cnt;
 313                         program.textPid = tpid;
 314                 }
 315                 if ( cnt )
 316                         return 0;
 317         }
 318         return -1;
 319 }
 320
 321 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 322 {
 323         channel = m_channel;
 324         if (channel)
 325                 return 0;
 326         else
 327                 return -1;
 328 }
 329
 330 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 331 {
 332         demux = m_demux;
 333         if (demux)
 334                 return 0;
 335         else
 336                 return -1;
 337 }
 338
 339 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 340 {
 341                 /* if we're using the decoding demux as data source
 342                    (for example in pvr playbacks), return that one. */
 343         if (m_use_decode_demux)
 344         {
 345                 demux = m_demux;
 346                 return 0;
 347         }
 348
 349         return m_channel->getDemux(demux, iDVBChannel::capDecode);
 350 }
 351
 352 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 353 {
 354         pvr_channel = m_pvr_channel;
 355         if (pvr_channel)
 356                 return 0;
 357         else
 358                 return -1;
 359 }
 360
 361 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux)
 362 {
 363         RESULT res;
 364         m_reference = ref;
 365
 366         m_use_decode_demux = use_decode_demux;
 367
 368                 /* is this a normal (non PVR) channel? */
 369         if (ref.path.empty())
 370         {
 371                 eDVBChannelID chid;
 372                 ref.getChannelID(chid);
 373                 res = m_resourceManager->allocateChannel(chid, m_channel);
 374                 eDebug("allocate Channel: res %d", res);
 375         } else
 376         {
 377                 eDVBMetaParser parser;
 378
 379                 if (parser.parseFile(ref.path))
 380                         eWarning("no .meta file found, trying original service ref.");
 381                 else
 382                         m_reference = parser.m_ref;
 383
 384                 eDebug("alloc PVR");
 385                         /* allocate PVR */
 386                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 387                 if (res)
 388                         eDebug("allocatePVRChannel failed!\n");
 389                 m_channel = m_pvr_channel;
 390         }
 391
 392         if (m_channel)
 393         {
 394                 m_channel->connectStateChange(
 395                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 396                         m_channelStateChanged_connection);
 397                 m_last_channel_state = -1;
 398                 channelStateChanged(m_channel);
 399
 400                 m_channel->connectEvent(
 401                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 402                         m_channelEvent_connection);
 403         } else
 404         {
 405                 serviceEvent(eventTuneFailed);
 406                 return res;
 407         }
 408
 409         if (m_pvr_channel)
 410                 m_pvr_channel->playFile(ref.path.c_str());
 411
 412         ePtr<iDVBChannelList> db;
 413         if (!m_resourceManager->getChannelList(db))
 414                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 415
 416         return res;
 417 }
 418
 419 void eDVBServicePMTHandler::free()
 420 {
 421         m_PMT.stop();
 422         m_PAT.stop();
 423         m_service = 0;
 424         m_channel = 0;
 425         m_pvr_channel = 0;
 426         m_demux = 0;
 427 }
 428
 429 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
 430
 431 eDVBCAService::eDVBCAService()
 432         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 433 {
 434         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 435         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 436         Connect();
 437 }
 438
 439 eDVBCAService::~eDVBCAService()
 440 {
 441         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 442         ::close(m_sock);
 443 }
 444
 445 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
 446 {
 447         CAServiceMap::iterator it = exist.find(ref);
 448         if ( it != exist.end() )
 449                 caservice = it->second;
 450         else
 451         {
 452                 caservice = (exist[ref]=new eDVBCAService());
 453                 caservice->m_service = ref;
 454                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 455         }
 456 // search free demux entry
 457         int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 458
 459         while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 460                 ++iter;
 461
 462         if ( iter < max_demux_slots )
 463         {
 464                 caservice->m_used_demux[iter] = demux_num & 0xFF;
 465                 eDebug("[eDVBCAService] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
 466         }
 467         else
 468         {
 469                 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 470                 return -1;
 471         }
 472         return 0;
 473 }
 474
 475 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
 476 {
 477         CAServiceMap::iterator it = exist.find(ref);
 478         if ( it == exist.end() )
 479         {
 480                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 481                 return -1;
 482         }
 483         else
 484         {
 485                 eDVBCAService *caservice = it->second;
 486                 bool freed = false;
 487                 int iter = 0,
 488                         used_demux_slots = 0,
 489                         max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 490                 while ( iter < max_demux_slots )
 491                 {
 492                         if ( caservice->m_used_demux[iter] != 0xFF )
 493                         {
 494                                 if ( !freed && caservice->m_used_demux[iter] == demux_num )
 495                                 {
 496                                         eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 497                                         caservice->m_used_demux[iter] = 0xFF;
 498                                         freed=true;
 499                                 }
 500                                 else
 501                                         ++used_demux_slots;
 502                         }
 503                         ++iter;
 504                 }
 505                 if (!freed)
 506                 {
 507                         eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
 508                         return -1;
 509                 }
 510                 if (!used_demux_slots)  // no more used.. so we remove it
 511                 {
 512                         delete it->second;
 513                         exist.erase(it);
 514                 }
 515                 else
 516                 {
 517                         if (ptr)
 518                                 it->second->buildCAPMT(ptr);
 519                         else
 520                                 eDebug("[eDVBCAService] can not send updated demux info");
 521                 }
 522         }
 523         return 0;
 524 }
 525
 526 void eDVBCAService::Connect()
 527 {
 528         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 529         m_servaddr.sun_family = AF_UNIX;
 530         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 531         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 532         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 533         connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
 534         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 535         int val=1;
 536         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 537 }
 538
 539 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 540 {
 541         if (!ptr)
 542                 return;
 543
 544         eDVBTableSpec table_spec;
 545         ptr->getSpec(table_spec);
 546
 547         int pmtpid = table_spec.pid,
 548                 pmt_version = table_spec.version;
 549
 550         uint8_t demux_mask = 0;
 551         uint8_t first_demux_num = 0xFF;
 552
 553 #if 1
 554         int iter=0, max_demux_slots = sizeof(m_used_demux);
 555         while ( iter < max_demux_slots )
 556         {
 557                 if ( m_used_demux[iter] != 0xFF )
 558                 {
 559                         if ( first_demux_num == 0xFF )
 560                                 first_demux_num = m_used_demux[iter];
 561                         demux_mask |= (1 << m_used_demux[iter]);
 562                 }
 563                 ++iter;
 564         }
 565 #else
 566         demux_mask = 3;
 567         first_demux_num = 0;
 568 #endif
 569
 570         if ( first_demux_num == 0xFF )
 571         {
 572                 eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
 573                 return;
 574         }
 575
 576         eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
 577
 578         unsigned int build_hash = (pmtpid << 16);
 579         build_hash |= (demux_mask << 8);
 580         build_hash |= (pmt_version&0xFF);
 581
 582         if ( build_hash == m_prev_build_hash )
 583         {
 584                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 585                 return;
 586         }
 587
 588         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 589         if ( i != ptr->getSections().end() )
 590         {
 591                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 592
 593                 while( i != ptr->getSections().end() )
 594                 {
 595 //                      eDebug("append");
 596                         capmt.append(*i++);
 597                 }
 598
 599                 // add our private descriptors to capmt
 600                 uint8_t tmp[10];
 601
 602                 tmp[0]=0x84;  // pmt pid
 603                 tmp[1]=0x02;
 604                 tmp[2]=pmtpid>>8;
 605                 tmp[3]=pmtpid&0xFF;
 606                 capmt.injectDescriptor(tmp, false);
 607
 608                 tmp[0] = 0x82; // demux
 609                 tmp[1] = 0x02;
 610                 tmp[2] = demux_mask;    // descramble bitmask
 611                 tmp[3] = first_demux_num; // read section data from demux number
 612                 capmt.injectDescriptor(tmp, false);
 613
 614                 tmp[0] = 0x81; // dvbnamespace
 615                 tmp[1] = 0x08;
 616                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 617                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 618                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 619                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 620                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 621                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 622                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 623                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 624                 capmt.injectDescriptor(tmp, false);
 625
 626                 capmt.writeToBuffer(m_capmt);
 627         }
 628
 629         m_prev_build_hash = build_hash;
 630
 631         if ( m_sendstate != 0xFFFFFFFF )
 632                 m_sendstate=0;
 633         sendCAPMT();
 634 }
 635
 636 void eDVBCAService::sendCAPMT()
 637 {
 638         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 639         {
 640                 ::close(m_sock);
 641                 Connect();
 642         }
 643
 644         int wp=0;
 645         if ( m_capmt[3] & 0x80 )
 646         {
 647                 int i=0;
 648                 int lenbytes = m_capmt[3] & ~0x80;
 649                 while(i < lenbytes)
 650                         wp = (wp << 8) | m_capmt[4 + i++];
 651                 wp+=4;
 652                 wp+=lenbytes;
 653         }
 654         else
 655         {
 656                 wp = m_capmt[3];
 657                 wp+=4;
 658         }
 659
 660         if ( write(m_sock, m_capmt, wp) == wp )
 661         {
 662                 m_sendstate=0xFFFFFFFF;
 663                 eDebug("[eDVBCAService] send %d bytes",wp);
 664 #if 1
 665                 for(int i=0;i<wp;i++)
 666                         eDebugNoNewLine("%02x ", m_capmt[i]);
 667                 eDebug("");
 668 #endif
 669         }
 670         else
 671         {
 672                 switch(m_sendstate)
 673                 {
 674                         case 0xFFFFFFFF:
 675                                 ++m_sendstate;
 676                                 m_retryTimer.start(0,true);
 677 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 678                                 break;
 679                         default:
 680                                 m_retryTimer.start(5000,true);
 681 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 682                                 break;
 683                 }
 684                 ++m_sendstate;
 685         }
 686 }