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 <dvbsi++/ca_program_map_section.h>
   9 #include <dvbsi++/descriptor_tag.h>
  10 #include <dvbsi++/iso639_language_descriptor.h>
  11 #include <dvbsi++/stream_identifier_descriptor.h>
  12
  13 eDVBServicePMTHandler::eDVBServicePMTHandler()
  14         :m_ca_servicePtr(0)
  15 {
  16         m_use_decode_demux = 0;
  17         eDVBResourceManager::getInstance(m_resourceManager);
  18         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  19         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  20 }
  21
  22 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  23 {
  24         if (m_ca_servicePtr)
  25         {
  26                 eDebug("unregister caservice");
  27                 uint8_t demux_num;
  28                 m_demux->getCADemuxID(demux_num);
  29                 ePtr<eTable<ProgramMapSection> > ptr;
  30                 m_PMT.getCurrent(ptr);
  31                 eDVBCAService::unregister_service(m_reference, demux_num, ptr);
  32                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
  33         }
  34 }
  35
  36 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  37 {
  38         int state;
  39         channel->getState(state);
  40
  41         if ((m_last_channel_state != iDVBChannel::state_ok)
  42                 && (state == iDVBChannel::state_ok) && (!m_demux))
  43         {
  44                 if (m_channel)
  45                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  46                                 eDebug("Allocating a demux for now tuned-in channel failed.");
  47
  48                 serviceEvent(eventTuned);
  49
  50                 if (m_demux)
  51                 {
  52                         eDebug("ok ... now we start!!");
  53
  54                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  55
  56                         if ( m_service && !m_service->cacheEmpty() )
  57                                 serviceEvent(eventNewProgramInfo);
  58                 }
  59         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  60                         (state == iDVBChannel::state_failed))
  61         {
  62                 eDebug("tune failed.");
  63                 serviceEvent(eventTuneFailed);
  64         }
  65 }
  66
  67 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  68 {
  69         switch (event)
  70         {
  71         case iDVBChannel::evtEOF:
  72                 serviceEvent(eventEOF);
  73                 break;
  74         default:
  75                 break;
  76         }
  77 }
  78
  79 void eDVBServicePMTHandler::PMTready(int error)
  80 {
  81         if (error)
  82                 serviceEvent(eventNoPMT);
  83         else
  84         {
  85                 serviceEvent(eventNewProgramInfo);
  86                 eEPGCache::getInstance()->PMTready(this);
  87                 if (!m_pvr_channel)
  88                 {
  89                         if(!m_ca_servicePtr)   // don't send campmt to camd.socket for playbacked services
  90                         {
  91                                 uint8_t demux_num;
  92                                 m_demux->getCADemuxID(demux_num);
  93                                 eDVBCAService::register_service(m_reference, demux_num, m_ca_servicePtr);
  94                                 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
  95                         }
  96                         eDVBCIInterfaces::getInstance()->gotPMT(this);
  97                 }
  98                 if (m_ca_servicePtr)
  99                 {
 100                         ePtr<eTable<ProgramMapSection> > ptr;
 101                         if (!m_PMT.getCurrent(ptr))
 102                                 m_ca_servicePtr->buildCAPMT(ptr);
 103                         else
 104                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 105                 }
 106         }
 107 }
 108
 109 void eDVBServicePMTHandler::PATready(int)
 110 {
 111         ePtr<eTable<ProgramAssociationSection> > ptr;
 112         if (!m_PAT.getCurrent(ptr))
 113         {
 114                 int pmtpid = -1;
 115                 std::vector<ProgramAssociationSection*>::const_iterator i;
 116                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 117                 {
 118                         const ProgramAssociationSection &pat = **i;
 119                         ProgramAssociationConstIterator program;
 120                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 121                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 122                                         pmtpid = (*program)->getProgramMapPid();
 123                 }
 124                 if (pmtpid == -1)
 125                         serviceEvent(eventNoPATEntry);
 126                 else
 127                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 128         } else
 129                 serviceEvent(eventNoPAT);
 130 }
 131
 132 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 133 {
 134         ePtr<eTable<ProgramMapSection> > ptr;
 135
 136         program.videoStreams.clear();
 137         program.audioStreams.clear();
 138         program.pcrPid = -1;
 139         program.isCrypted = false;
 140         program.pmtPid = -1;
 141
 142         if (!m_PMT.getCurrent(ptr))
 143         {
 144                 int cached_apid_ac3 = -1;
 145                 int cached_apid_mpeg = -1;
 146                 int cached_vpid = -1;
 147                 if ( m_service && !m_service->cacheEmpty() )
 148                 {
 149                         cached_vpid = m_service->getCachePID(eDVBService::cVPID);
 150                         cached_apid_mpeg = m_service->getCachePID(eDVBService::cAC3PID);
 151                         cached_apid_ac3 = m_service->getCachePID(eDVBService::cAPID);
 152                 }
 153                 eDVBTableSpec table_spec;
 154                 ptr->getSpec(table_spec);
 155                 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 156                 std::vector<ProgramMapSection*>::const_iterator i;
 157                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 158                 {
 159                         const ProgramMapSection &pmt = **i;
 160                         program.pcrPid = pmt.getPcrPid();
 161
 162                         ElementaryStreamInfoConstIterator es;
 163                         for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 164                         {
 165                                 int isaudio = 0, isvideo = 0, cadescriptors = 0;
 166                                 videoStream video;
 167                                 audioStream audio;
 168                                 audio.component_tag=-1;
 169                                 video.component_tag=-1;
 170
 171                                 video.pid = (*es)->getPid();
 172                                 audio.pid = (*es)->getPid();
 173
 174                                 switch ((*es)->getType())
 175                                 {
 176                                 case 0x01: // MPEG 1 video
 177                                 case 0x02: // MPEG 2 video
 178                                         isvideo = 1;
 179                                         //break; fall through !!!
 180                                 case 0x03: // MPEG 1 audio
 181                                 case 0x04: // MPEG 2 audio:
 182                                         if (!isvideo)
 183                                         {
 184                                                 isaudio = 1;
 185                                                 audio.type = audioStream::atMPEG;
 186                                         }
 187                                         //break; fall through !!!
 188                                 case 0x06: // PES Private
 189                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 190                                                    check descriptors to get the exact type. */
 191                                         for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 192                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 193                                         {
 194                                                 switch ((*desc)->getTag())
 195                                                 {
 196                                                 case AC3_DESCRIPTOR:
 197                                                         if (!isvideo)
 198                                                         {
 199                                                                 isaudio = 1;
 200                                                                 audio.type = audioStream::atAC3;
 201                                                         }
 202                                                         break;
 203                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 204                                                         if (!isvideo)
 205                                                         {
 206                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 207                                                                         /* use last language code */
 208                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 209                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 210                                                         }
 211                                                         break;
 212                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 213                                                         audio.component_tag =
 214                                                                 video.component_tag =
 215                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 216                                                         break;
 217                                                 case CA_DESCRIPTOR:
 218                                                         ++cadescriptors;
 219                                                         break;
 220                                                 }
 221                                         }
 222                                         break;
 223                                 }
 224                                 if (isaudio)
 225                                 {
 226                                         if ( !program.audioStreams.empty() &&
 227                                                 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 228                                         {
 229                                                 program.audioStreams.push_back(program.audioStreams[0]);
 230                                                 program.audioStreams[0] = audio;
 231                                         }
 232                                         else
 233                                                 program.audioStreams.push_back(audio);
 234                                 }
 235                                 else if (isvideo)
 236                                 {
 237                                         if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 238                                         {
 239                                                 program.videoStreams.push_back(program.videoStreams[0]);
 240                                                 program.videoStreams[0] = video;
 241                                         }
 242                                         else
 243                                                 program.videoStreams.push_back(video);
 244                                 }
 245                                 else
 246                                         continue;
 247                                 if ( cadescriptors > 0 )
 248                                         program.isCrypted=true;
 249                         }
 250                         if ( !program.isCrypted )
 251                         {
 252                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 253                                         desc != pmt.getDescriptors()->end(); ++desc)
 254                                 {
 255                                         switch ((*desc)->getTag())
 256                                         {
 257                                         case CA_DESCRIPTOR:
 258                                                 program.isCrypted=true;
 259                                                 break;
 260                                         }
 261                                 }
 262                                 break;
 263                         }
 264                 }
 265                 return 0;
 266         } else if ( m_service && !m_service->cacheEmpty() )
 267         {
 268                 int vpid = m_service->getCachePID(eDVBService::cVPID),
 269                         apid_ac3 = m_service->getCachePID(eDVBService::cAC3PID),
 270                         apid_mpeg = m_service->getCachePID(eDVBService::cAPID),
 271                         pcrpid = m_service->getCachePID(eDVBService::cPCRPID),
 272                         cnt=0;
 273                 if ( vpid != -1 )
 274                 {
 275                         videoStream s;
 276                         s.pid = vpid;
 277                         program.videoStreams.push_back(s);
 278                         ++cnt;
 279                 }
 280                 if ( apid_ac3 != -1 )
 281                 {
 282                         audioStream s;
 283                         s.type = audioStream::atAC3;
 284                         s.pid = apid_ac3;
 285                         program.audioStreams.push_back(s);
 286                         ++cnt;
 287                 }
 288                 if ( apid_mpeg != -1 )
 289                 {
 290                         audioStream s;
 291                         s.type = audioStream::atMPEG;
 292                         s.pid = apid_mpeg;
 293                         program.audioStreams.push_back(s);
 294                         ++cnt;
 295                 }
 296                 if ( pcrpid != -1 )
 297                 {
 298                         ++cnt;
 299                         program.pcrPid = pcrpid;
 300                 }
 301                 if ( cnt )
 302                         return 0;
 303         }
 304         return -1;
 305 }
 306
 307 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 308 {
 309         channel = m_channel;
 310         if (channel)
 311                 return 0;
 312         else
 313                 return -1;
 314 }
 315
 316 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 317 {
 318         demux = m_demux;
 319         if (demux)
 320                 return 0;
 321         else
 322                 return -1;
 323 }
 324
 325 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 326 {
 327                 /* if we're using the decoding demux as data source
 328                    (for example in pvr playbacks), return that one. */
 329         if (m_use_decode_demux)
 330         {
 331                 demux = m_demux;
 332                 return 0;
 333         }
 334
 335         return m_channel->getDemux(demux, iDVBChannel::capDecode);
 336 }
 337
 338 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 339 {
 340         pvr_channel = m_pvr_channel;
 341         if (pvr_channel)
 342                 return 0;
 343         else
 344                 return -1;
 345 }
 346
 347 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux)
 348 {
 349         RESULT res;
 350         m_reference = ref;
 351
 352         m_use_decode_demux = use_decode_demux;
 353
 354                 /* is this a normal (non PVR) channel? */
 355         if (ref.path.empty())
 356         {
 357                 eDVBChannelID chid;
 358                 ref.getChannelID(chid);
 359                 res = m_resourceManager->allocateChannel(chid, m_channel);
 360                 eDebug("allocate Channel: res %d", res);
 361         } else
 362         {
 363                 eDVBMetaParser parser;
 364
 365                 if (parser.parseFile(ref.path))
 366                         eWarning("no .meta file found, trying original service ref.");
 367                 else
 368                         m_reference = parser.m_ref;
 369
 370                 eDebug("alloc PVR");
 371                         /* allocate PVR */
 372                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 373                 if (res)
 374                         eDebug("allocatePVRChannel failed!\n");
 375                 m_channel = m_pvr_channel;
 376         }
 377
 378         if (m_channel)
 379         {
 380                 m_channel->connectStateChange(
 381                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 382                         m_channelStateChanged_connection);
 383                 m_last_channel_state = -1;
 384                 channelStateChanged(m_channel);
 385
 386                 m_channel->connectEvent(
 387                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 388                         m_channelEvent_connection);
 389         } else
 390         {
 391                 serviceEvent(eventTuneFailed);
 392                 return res;
 393         }
 394
 395         if (m_pvr_channel)
 396                 m_pvr_channel->playFile(ref.path.c_str());
 397
 398         ePtr<iDVBChannelList> db;
 399         if (!m_resourceManager->getChannelList(db))
 400                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 401
 402         return res;
 403 }
 404
 405 void eDVBServicePMTHandler::free()
 406 {
 407         m_PMT.stop();
 408         m_PAT.stop();
 409         m_service = 0;
 410         m_channel = 0;
 411         m_pvr_channel = 0;
 412         m_demux = 0;
 413 }
 414
 415 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
 416
 417 eDVBCAService::eDVBCAService()
 418         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 419 {
 420         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 421         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 422         Connect();
 423 }
 424
 425 eDVBCAService::~eDVBCAService()
 426 {
 427         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 428         ::close(m_sock);
 429 }
 430
 431 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_num, eDVBCAService *&caservice )
 432 {
 433         CAServiceMap::iterator it = exist.find(ref);
 434         if ( it != exist.end() )
 435                 caservice = it->second;
 436         else
 437         {
 438                 caservice = (exist[ref]=new eDVBCAService());
 439                 caservice->m_service = ref;
 440                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 441         }
 442 // search free demux entry
 443         int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 444
 445         while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 446                 ++iter;
 447
 448         if ( iter < max_demux_slots )
 449         {
 450                 caservice->m_used_demux[iter] = demux_num & 0xFF;
 451                 eDebug("[eDVBCAService] add demux %d to slot %d service %s", demux_num, iter, ref.toString().c_str());
 452         }
 453         else
 454         {
 455                 eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 456                 return -1;
 457         }
 458         return 0;
 459 }
 460
 461 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_num, eTable<ProgramMapSection> *ptr )
 462 {
 463         CAServiceMap::iterator it = exist.find(ref);
 464         if ( it == exist.end() )
 465         {
 466                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 467                 return -1;
 468         }
 469         else
 470         {
 471                 eDVBCAService *caservice = it->second;
 472                 bool freed = false;
 473                 int iter = 0,
 474                         used_demux_slots = 0,
 475                         max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 476                 while ( iter < max_demux_slots )
 477                 {
 478                         if ( caservice->m_used_demux[iter] != 0xFF )
 479                         {
 480                                 if ( !freed && caservice->m_used_demux[iter] == demux_num )
 481                                 {
 482                                         eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 483                                         caservice->m_used_demux[iter] = 0xFF;
 484                                         freed=true;
 485                                 }
 486                                 else
 487                                         ++used_demux_slots;
 488                         }
 489                         ++iter;
 490                 }
 491                 if (!freed)
 492                 {
 493                         eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_num);
 494                         return -1;
 495                 }
 496                 if (!used_demux_slots)  // no more used.. so we remove it
 497                 {
 498                         delete it->second;
 499                         exist.erase(it);
 500                 }
 501                 else
 502                 {
 503                         if (ptr)
 504                                 it->second->buildCAPMT(ptr);
 505                         else
 506                                 eDebug("[eDVBCAService] can not send updated demux info");
 507                 }
 508         }
 509         return 0;
 510 }
 511
 512 void eDVBCAService::Connect()
 513 {
 514         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 515         m_servaddr.sun_family = AF_UNIX;
 516         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 517         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 518         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 519         connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
 520         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 521         int val=1;
 522         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 523 }
 524
 525 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 526 {
 527         if (!ptr)
 528                 return;
 529
 530         eDVBTableSpec table_spec;
 531         ptr->getSpec(table_spec);
 532
 533         int pmtpid = table_spec.pid,
 534                 pmt_version = table_spec.version;
 535
 536         uint8_t demux_mask = 0;
 537         uint8_t first_demux_num = 0xFF;
 538
 539 #if 1
 540         int iter=0, max_demux_slots = sizeof(m_used_demux);
 541         while ( iter < max_demux_slots )
 542         {
 543                 if ( m_used_demux[iter] != 0xFF )
 544                 {
 545                         if ( first_demux_num == 0xFF )
 546                                 first_demux_num = m_used_demux[iter];
 547                         demux_mask |= (1 << m_used_demux[iter]);
 548                 }
 549                 ++iter;
 550         }
 551 #else
 552         demux_mask = 3;
 553         first_demux_num = 0;
 554 #endif
 555
 556         if ( first_demux_num == 0xFF )
 557         {
 558                 eDebug("[eDVBCAService] no demux found for service %s", m_service.toString().c_str() );
 559                 return;
 560         }
 561
 562         eDebug("demux %d mask %02x prevhash %08x", first_demux_num, demux_mask, m_prev_build_hash);
 563
 564         unsigned int build_hash = (pmtpid << 16);
 565         build_hash |= (demux_mask << 8);
 566         build_hash |= (pmt_version&0xFF);
 567
 568         if ( build_hash == m_prev_build_hash )
 569         {
 570                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 571                 return;
 572         }
 573
 574         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 575         if ( i != ptr->getSections().end() )
 576         {
 577                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 578
 579                 while( i != ptr->getSections().end() )
 580                 {
 581 //                      eDebug("append");
 582                         capmt.append(*i++);
 583                 }
 584
 585                 // add our private descriptors to capmt
 586                 uint8_t tmp[10];
 587
 588                 tmp[0]=0x84;  // pmt pid
 589                 tmp[1]=0x02;
 590                 tmp[2]=pmtpid>>8;
 591                 tmp[3]=pmtpid&0xFF;
 592                 capmt.injectDescriptor(tmp, false);
 593
 594                 tmp[0] = 0x82; // demux
 595                 tmp[1] = 0x02;
 596                 tmp[2] = demux_mask;    // descramble bitmask
 597                 tmp[3] = first_demux_num; // read section data from demux number
 598                 capmt.injectDescriptor(tmp, false);
 599
 600                 tmp[0] = 0x81; // dvbnamespace
 601                 tmp[1] = 0x08;
 602                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 603                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 604                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 605                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 606                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 607                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 608                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 609                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 610                 capmt.injectDescriptor(tmp, false);
 611
 612                 capmt.writeToBuffer(m_capmt);
 613         }
 614
 615         m_prev_build_hash = build_hash;
 616
 617         if ( m_sendstate != 0xFFFFFFFF )
 618                 m_sendstate=0;
 619         sendCAPMT();
 620 }
 621
 622 void eDVBCAService::sendCAPMT()
 623 {
 624         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 625         {
 626                 ::close(m_sock);
 627                 Connect();
 628         }
 629
 630         int wp=0;
 631         if ( m_capmt[3] & 0x80 )
 632         {
 633                 int i=0;
 634                 int lenbytes = m_capmt[3] & ~0x80;
 635                 while(i < lenbytes)
 636                         wp = (wp << 8) | m_capmt[4 + i++];
 637                 wp+=4;
 638                 wp+=lenbytes;
 639         }
 640         else
 641         {
 642                 wp = m_capmt[3];
 643                 wp+=4;
 644         }
 645
 646         if ( write(m_sock, m_capmt, wp) == wp )
 647         {
 648                 m_sendstate=0xFFFFFFFF;
 649                 eDebug("[eDVBCAService] send %d bytes",wp);
 650 #if 1
 651                 for(int i=0;i<wp;i++)
 652                         eDebugNoNewLine("%02x ", m_capmt[i]);
 653                 eDebug("");
 654 #endif
 655         }
 656         else
 657         {
 658                 switch(m_sendstate)
 659                 {
 660                         case 0xFFFFFFFF:
 661                                 ++m_sendstate;
 662                                 m_retryTimer.start(0,true);
 663 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 664                                 break;
 665                         default:
 666                                 m_retryTimer.start(5000,true);
 667 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 668                                 break;
 669                 }
 670                 ++m_sendstate;
 671         }
 672 }