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

   1 #include <lib/base/eerror.h>
   2 #include <lib/dvb/pmt.h>
   3 #include <lib/dvb/specs.h>
   4 #include <lib/dvb/dvb.h>
   5 #include <lib/dvb/metaparser.h>
   6 #include <lib/dvb_ci/dvbci.h>
   7 #include <lib/dvb/epgcache.h>
   8 #include <lib/dvb/scan.h>
   9 #include <dvbsi++/ca_descriptor.h>
  10 #include <dvbsi++/ca_program_map_section.h>
  11 #include <dvbsi++/teletext_descriptor.h>
  12 #include <dvbsi++/descriptor_tag.h>
  13 #include <dvbsi++/iso639_language_descriptor.h>
  14 #include <dvbsi++/stream_identifier_descriptor.h>
  15
  16 eDVBServicePMTHandler::eDVBServicePMTHandler()
  17         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  18 {
  19         m_use_decode_demux = 0;
  20         m_pmt_pid = -1;
  21         eDVBResourceManager::getInstance(m_resourceManager);
  22         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  23         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  24 }
  25
  26 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  27 {
  28         free();
  29 }
  30
  31 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  32 {
  33         int state;
  34         channel->getState(state);
  35
  36         if ((m_last_channel_state != iDVBChannel::state_ok)
  37                 && (state == iDVBChannel::state_ok) && (!m_demux))
  38         {
  39                 if (m_channel)
  40                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  41                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  42
  43                 serviceEvent(eventTuned);
  44
  45                 if (m_demux)
  46                 {
  47                         eDebug("ok ... now we start!!");
  48
  49                         if (m_pmt_pid == -1)
  50                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  51                         else
  52                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  53
  54                         if ( m_service && !m_service->cacheEmpty() )
  55                                 serviceEvent(eventNewProgramInfo);
  56                 }
  57         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  58                         (state == iDVBChannel::state_failed))
  59         {
  60                 eDebug("tune failed.");
  61                 serviceEvent(eventTuneFailed);
  62         }
  63 }
  64
  65 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  66 {
  67         switch (event)
  68         {
  69         case iDVBChannel::evtEOF:
  70                 serviceEvent(eventEOF);
  71                 break;
  72         case iDVBChannel::evtSOF:
  73                 serviceEvent(eventSOF);
  74                 break;
  75         default:
  76                 break;
  77         }
  78 }
  79
  80 void eDVBServicePMTHandler::PMTready(int error)
  81 {
  82         if (error)
  83                 serviceEvent(eventNoPMT);
  84         else
  85         {
  86                 serviceEvent(eventNewProgramInfo);
  87                 eEPGCache::getInstance()->PMTready(this);
  88                 if (!m_pvr_channel)
  89                 {
  90                         if(!m_ca_servicePtr)   // don't send campmt to camd.socket for playbacked services
  91                         {
  92                                 int demuxes[2] = {0,0};
  93                                 uint8_t tmp;
  94                                 m_demux->getCADemuxID(tmp);
  95                                 demuxes[0]=tmp;
  96                                 if (m_decode_demux_num != 0xFF)
  97                                         demuxes[1]=m_decode_demux_num;
  98                                 else
  99                                         demuxes[1]=demuxes[0];
 100                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 101                                 eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 102                         }
 103                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 104                 }
 105                 if (m_ca_servicePtr)
 106                 {
 107                         ePtr<eTable<ProgramMapSection> > ptr;
 108                         if (!m_PMT.getCurrent(ptr))
 109                                 m_ca_servicePtr->buildCAPMT(ptr);
 110                         else
 111                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 112                 }
 113         }
 114 }
 115
 116 void eDVBServicePMTHandler::PATready(int)
 117 {
 118         ePtr<eTable<ProgramAssociationSection> > ptr;
 119         if (!m_PAT.getCurrent(ptr))
 120         {
 121                 int pmtpid = -1;
 122                 std::vector<ProgramAssociationSection*>::const_iterator i;
 123                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 124                 {
 125                         const ProgramAssociationSection &pat = **i;
 126                         ProgramAssociationConstIterator program;
 127                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 128                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 129                                         pmtpid = (*program)->getProgramMapPid();
 130                 }
 131                 if (pmtpid == -1)
 132                         serviceEvent(eventNoPATEntry);
 133                 else
 134                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 135         } else
 136                 serviceEvent(eventNoPAT);
 137 }
 138
 139 PyObject *eDVBServicePMTHandler::getCaIds()
 140 {
 141         PyObject *ret=0;
 142
 143         ePtr<eTable<ProgramMapSection> > ptr;
 144
 145         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 146         {
 147                 uint16_t caids[255];
 148                 memset(caids, 0, sizeof(caids));
 149                 std::vector<ProgramMapSection*>::const_iterator i = ptr->getSections().begin();
 150                 for (; i != ptr->getSections().end(); ++i)
 151                 {
 152                         const ProgramMapSection &pmt = **i;
 153                         ElementaryStreamInfoConstIterator es = pmt.getEsInfo()->begin();
 154                         for (; es != pmt.getEsInfo()->end(); ++es)
 155                         {
 156                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 157                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 158                                 {
 159                                         switch ((*desc)->getTag())
 160                                         {
 161                                                 case CA_DESCRIPTOR:
 162                                                 {
 163                                                         const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
 164                                                         uint16_t caid = cadescr->getCaSystemId();
 165                                                         int idx=0;
 166                                                         while (caids[idx] && caids[idx] != caid)
 167                                                                 ++idx;
 168                                                         caids[idx]=caid;
 169                                                         break;
 170                                                 }
 171                                         }
 172                                 }
 173                         }
 174                         for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 175                                 desc != pmt.getDescriptors()->end(); ++desc)
 176                         {
 177                                 switch ((*desc)->getTag())
 178                                 {
 179                                         case CA_DESCRIPTOR:
 180                                         {
 181                                                 const CaDescriptor *cadescr = (const CaDescriptor*)*desc;
 182                                                 uint16_t caid = cadescr->getCaSystemId();
 183                                                 int idx=0;
 184                                                 while (caids[idx] && caids[idx] != caid)
 185                                                         ++idx;
 186                                                 caids[idx]=caid;
 187                                                 break;
 188                                         }
 189                                 }
 190                         }
 191                 }
 192                 int cnt=0;
 193                 while (caids[cnt])
 194                         ++cnt;
 195                 if (cnt)
 196                 {
 197                         ret=PyList_New(cnt);
 198                         while(cnt--)
 199                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(caids[cnt]));
 200                 }
 201         }
 202
 203         if (!ret)
 204                 ret=PyList_New(0);
 205
 206         return ret;
 207 }
 208
 209 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 210 {
 211         ePtr<eTable<ProgramMapSection> > ptr;
 212
 213         program.videoStreams.clear();
 214         program.audioStreams.clear();
 215         program.pcrPid = -1;
 216         program.isCrypted = false;
 217         program.pmtPid = -1;
 218         program.textPid = -1;
 219         program.audioChannel = m_service ? m_service->getCacheEntry(eDVBService::cACHANNEL) : -1;
 220
 221         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 222         {
 223                 int cached_apid_ac3 = -1;
 224                 int cached_apid_mpeg = -1;
 225                 int cached_vpid = -1;
 226                 int cached_tpid = -1;
 227                 if ( m_service && !m_service->cacheEmpty() )
 228                 {
 229                         cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 230                         cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAC3PID);
 231                         cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAPID);
 232                         cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 233                 }
 234                 eDVBTableSpec table_spec;
 235                 ptr->getSpec(table_spec);
 236                 program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 237                 std::vector<ProgramMapSection*>::const_iterator i;
 238                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 239                 {
 240                         const ProgramMapSection &pmt = **i;
 241                         program.pcrPid = pmt.getPcrPid();
 242
 243                         ElementaryStreamInfoConstIterator es;
 244                         for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 245                         {
 246                                 int isaudio = 0, isvideo = 0, cadescriptors = 0;
 247                                 videoStream video;
 248                                 audioStream audio;
 249                                 audio.component_tag=-1;
 250                                 video.component_tag=-1;
 251
 252                                 video.pid = (*es)->getPid();
 253                                 audio.pid = (*es)->getPid();
 254                                 video.type = videoStream::vtMPEG2;
 255
 256                                 switch ((*es)->getType())
 257                                 {
 258                                 case 0x1b: // AVC Video Stream (MPEG4 H264)
 259                                         video.type = videoStream::vtMPEG4_H264;
 260                                 case 0x01: // MPEG 1 video
 261                                 case 0x02: // MPEG 2 video
 262                                         isvideo = 1;
 263                                         //break; fall through !!!
 264                                 case 0x03: // MPEG 1 audio
 265                                 case 0x04: // MPEG 2 audio:
 266                                         if (!isvideo)
 267                                         {
 268                                                 isaudio = 1;
 269                                                 audio.type = audioStream::atMPEG;
 270                                         }
 271                                         //break; fall through !!!
 272                                 case 0x06: // PES Private
 273                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 274                                                    check descriptors to get the exact type. */
 275                                         for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 276                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 277                                         {
 278                                                 switch ((*desc)->getTag())
 279                                                 {
 280                                                 case TELETEXT_DESCRIPTOR:
 281                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 282                                                                 program.textPid = (*es)->getPid();
 283                                                         break;
 284                                                 case DTS_DESCRIPTOR:
 285                                                         if (!isvideo)
 286                                                         {
 287                                                                 isaudio = 1;
 288                                                                 audio.type = audioStream::atDTS;
 289                                                         }
 290                                                         break;
 291                                                 case AC3_DESCRIPTOR:
 292                                                         if (!isvideo)
 293                                                         {
 294                                                                 isaudio = 1;
 295                                                                 audio.type = audioStream::atAC3;
 296                                                         }
 297                                                         break;
 298                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 299                                                         if (!isvideo)
 300                                                         {
 301                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 302                                                                         /* use last language code */
 303                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 304                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 305                                                         }
 306                                                         break;
 307                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 308                                                         audio.component_tag =
 309                                                                 video.component_tag =
 310                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 311                                                         break;
 312                                                 case CA_DESCRIPTOR:
 313                                                         ++cadescriptors;
 314                                                         break;
 315                                                 }
 316                                         }
 317                                         break;
 318                                 }
 319                                 if (isaudio)
 320                                 {
 321                                         if ( !program.audioStreams.empty() &&
 322                                                 ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
 323                                         {
 324                                                 program.audioStreams.push_back(program.audioStreams[0]);
 325                                                 program.audioStreams[0] = audio;
 326                                         }
 327                                         else
 328                                                 program.audioStreams.push_back(audio);
 329                                 }
 330                                 else if (isvideo)
 331                                 {
 332                                         if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 333                                         {
 334                                                 program.videoStreams.push_back(program.videoStreams[0]);
 335                                                 program.videoStreams[0] = video;
 336                                         }
 337                                         else
 338                                                 program.videoStreams.push_back(video);
 339                                 }
 340                                 else
 341                                         continue;
 342                                 if ( cadescriptors > 0 )
 343                                         program.isCrypted=true;
 344                         }
 345                         if ( !program.isCrypted )
 346                         {
 347                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 348                                         desc != pmt.getDescriptors()->end(); ++desc)
 349                                 {
 350                                         switch ((*desc)->getTag())
 351                                         {
 352                                         case CA_DESCRIPTOR:
 353                                                 program.isCrypted=true;
 354                                                 break;
 355                                         }
 356                                 }
 357                                 break;
 358                         }
 359                 }
 360                 return 0;
 361         } else if ( m_service && !m_service->cacheEmpty() )
 362         {
 363                 int vpid = m_service->getCacheEntry(eDVBService::cVPID),
 364                         apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID),
 365                         apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID),
 366                         pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 367                         tpid = m_service->getCacheEntry(eDVBService::cTPID),
 368                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 369                         cnt=0;
 370                 if ( vpidtype == -1 )
 371                         vpidtype = videoStream::vtMPEG2;
 372                 if ( vpid != -1 )
 373                 {
 374                         videoStream s;
 375                         s.pid = vpid;
 376                         s.type = vpidtype;
 377                         program.videoStreams.push_back(s);
 378                         ++cnt;
 379                 }
 380                 if ( apid_ac3 != -1 )
 381                 {
 382                         audioStream s;
 383                         s.type = audioStream::atAC3;
 384                         s.pid = apid_ac3;
 385                         program.audioStreams.push_back(s);
 386                         ++cnt;
 387                 }
 388                 if ( apid_mpeg != -1 )
 389                 {
 390                         audioStream s;
 391                         s.type = audioStream::atMPEG;
 392                         s.pid = apid_mpeg;
 393                         program.audioStreams.push_back(s);
 394                         ++cnt;
 395                 }
 396                 if ( pcrpid != -1 )
 397                 {
 398                         ++cnt;
 399                         program.pcrPid = pcrpid;
 400                 }
 401                 if ( tpid != -1 )
 402                 {
 403                         ++cnt;
 404                         program.textPid = tpid;
 405                 }
 406                 if ( cnt )
 407                         return 0;
 408         }
 409         return -1;
 410 }
 411
 412 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 413 {
 414         channel = m_channel;
 415         if (channel)
 416                 return 0;
 417         else
 418                 return -1;
 419 }
 420
 421 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 422 {
 423         demux = m_demux;
 424         if (demux)
 425                 return 0;
 426         else
 427                 return -1;
 428 }
 429
 430 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 431 {
 432         int ret=0;
 433                 /* if we're using the decoding demux as data source
 434                    (for example in pvr playbacks), return that one. */
 435         if (m_use_decode_demux)
 436         {
 437                 demux = m_demux;
 438                 return ret;
 439         }
 440
 441         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 442
 443         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 444         if (!ret)
 445                 demux->getCADemuxID(m_decode_demux_num);
 446
 447         return ret;
 448 }
 449
 450 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 451 {
 452         pvr_channel = m_pvr_channel;
 453         if (pvr_channel)
 454                 return 0;
 455         else
 456                 return -1;
 457 }
 458
 459 void eDVBServicePMTHandler::SDTScanEvent(int event)
 460 {
 461         switch (event)
 462         {
 463                 case eDVBScan::evtFinish:
 464                 {
 465                         ePtr<iDVBChannelList> db;
 466                         if (m_resourceManager->getChannelList(db) != 0)
 467                                 eDebug("no channel list");
 468                         else
 469                         {
 470                                 m_dvb_scan->insertInto(db);
 471                                 eDebug("sdt update done!");
 472                         }
 473                         break;
 474                 }
 475
 476                 default:
 477                         break;
 478         }
 479 }
 480
 481 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 482 {
 483         RESULT res;
 484         m_reference = ref;
 485
 486         m_use_decode_demux = use_decode_demux;
 487
 488                 /* is this a normal (non PVR) channel? */
 489         if (ref.path.empty())
 490         {
 491                 eDVBChannelID chid;
 492                 ref.getChannelID(chid);
 493                 res = m_resourceManager->allocateChannel(chid, m_channel);
 494                 eDebug("allocate Channel: res %d", res);
 495         } else
 496         {
 497                 eDVBMetaParser parser;
 498
 499                 if (parser.parseFile(ref.path))
 500                 {
 501                         eWarning("no .meta file found, trying to find PMT pid");
 502                         eDVBTSTools tstools;
 503                         if (tstools.openFile(ref.path.c_str()))
 504                                 eWarning("failed to open file");
 505                         else
 506                         {
 507                                 int service_id, pmt_pid;
 508                                 if (!tstools.findPMT(pmt_pid, service_id))
 509                                 {
 510                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 511                                         m_reference.setServiceID(service_id);
 512                                         m_pmt_pid = pmt_pid;
 513                                 }
 514                         }
 515                 } else
 516                         m_reference = parser.m_ref;
 517
 518                 eDebug("alloc PVR");
 519                         /* allocate PVR */
 520                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 521                 if (res)
 522                         eDebug("allocatePVRChannel failed!\n");
 523                 m_channel = m_pvr_channel;
 524         }
 525
 526         ePtr<iDVBChannelList> db;
 527         if (!m_resourceManager->getChannelList(db))
 528                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 529
 530         if (m_channel)
 531         {
 532                 m_channel->connectStateChange(
 533                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 534                         m_channelStateChanged_connection);
 535                 m_last_channel_state = -1;
 536                 channelStateChanged(m_channel);
 537
 538                 m_channel->connectEvent(
 539                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 540                         m_channelEvent_connection);
 541
 542                 if (ref.path.empty())
 543                 {
 544                         delete m_dvb_scan;
 545                         m_dvb_scan = new eDVBScan(m_channel);
 546                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 547                 }
 548         } else
 549         {
 550                 serviceEvent(eventTuneFailed);
 551                 return res;
 552         }
 553
 554         if (m_pvr_channel)
 555         {
 556                 m_pvr_channel->setCueSheet(cue);
 557                 m_pvr_channel->playFile(ref.path.c_str());
 558         }
 559
 560         return res;
 561 }
 562
 563 void eDVBServicePMTHandler::free()
 564 {
 565         eDVBScan *tmp = m_dvb_scan;  // do a copy on stack (recursive call of free()) !!!
 566         m_dvb_scan = 0;
 567         delete m_dvb_scan;
 568
 569         if (m_ca_servicePtr)
 570         {
 571                 int demuxes[2] = {0,0};
 572                 uint8_t tmp;
 573                 m_demux->getCADemuxID(tmp);
 574                 demuxes[0]=tmp;
 575                 if (m_decode_demux_num != 0xFF)
 576                         demuxes[1]=m_decode_demux_num;
 577                 else
 578                         demuxes[1]=demuxes[0];
 579                 ePtr<eTable<ProgramMapSection> > ptr;
 580                 m_PMT.getCurrent(ptr);
 581                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 582                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 583                 m_ca_servicePtr = 0;
 584         }
 585
 586         if (m_pvr_channel)
 587         {
 588                 m_pvr_channel->stopFile();
 589                 m_pvr_channel->setCueSheet(0);
 590         }
 591         m_PMT.stop();
 592         m_PAT.stop();
 593         m_service = 0;
 594         m_channel = 0;
 595         m_pvr_channel = 0;
 596         m_demux = 0;
 597 }
 598
 599 std::map<eServiceReferenceDVB, eDVBCAService*> eDVBCAService::exist;
 600
 601 eDVBCAService::eDVBCAService()
 602         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 603 {
 604         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 605         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 606         Connect();
 607 }
 608
 609 eDVBCAService::~eDVBCAService()
 610 {
 611         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 612         ::close(m_sock);
 613 }
 614
 615 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 616 {
 617         CAServiceMap::iterator it = exist.find(ref);
 618         if ( it != exist.end() )
 619                 caservice = it->second;
 620         else
 621         {
 622                 caservice = (exist[ref]=new eDVBCAService());
 623                 caservice->m_service = ref;
 624                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 625         }
 626
 627         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 628         for (int i=0; i < loops; ++i)
 629         {
 630 // search free demux entry
 631                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 632
 633                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 634                         ++iter;
 635
 636                 if ( iter < max_demux_slots )
 637                 {
 638                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 639                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 640                 }
 641                 else
 642                 {
 643                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 644                         return -1;
 645                 }
 646         }
 647         return 0;
 648 }
 649
 650 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 651 {
 652         CAServiceMap::iterator it = exist.find(ref);
 653         if ( it == exist.end() )
 654         {
 655                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 656                 return -1;
 657         }
 658         else
 659         {
 660                 eDVBCAService *caservice = it->second;
 661                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 662                 for (int i=0; i < loops; ++i)
 663                 {
 664                         bool freed = false;
 665                         int iter = 0,
 666                                 used_demux_slots = 0,
 667                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 668                         while ( iter < max_demux_slots )
 669                         {
 670                                 if ( caservice->m_used_demux[iter] != 0xFF )
 671                                 {
 672                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 673                                         {
 674                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 675                                                 caservice->m_used_demux[iter] = 0xFF;
 676                                                 freed=true;
 677                                         }
 678                                         else
 679                                                 ++used_demux_slots;
 680                                 }
 681                                 ++iter;
 682                         }
 683                         if (!freed)
 684                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 685                         if (i || loops == 1)
 686                         {
 687                                 if (!used_demux_slots)  // no more used.. so we remove it
 688                                 {
 689                                         delete it->second;
 690                                         exist.erase(it);
 691                                 }
 692                                 else
 693                                 {
 694                                         if (ptr)
 695                                                 it->second->buildCAPMT(ptr);
 696                                         else
 697                                                 eDebug("[eDVBCAService] can not send updated demux info");
 698                                 }
 699                         }
 700                 }
 701         }
 702         return 0;
 703 }
 704
 705 void eDVBCAService::Connect()
 706 {
 707         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 708         m_servaddr.sun_family = AF_UNIX;
 709         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 710         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 711         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 712         connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
 713         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 714         int val=1;
 715         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 716 }
 717
 718 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 719 {
 720         if (!ptr)
 721                 return;
 722
 723         eDVBTableSpec table_spec;
 724         ptr->getSpec(table_spec);
 725
 726         int pmtpid = table_spec.pid,
 727                 pmt_version = table_spec.version;
 728
 729         uint8_t demux_mask = 0;
 730         int data_demux = -1;
 731
 732         int iter=0, max_demux_slots = sizeof(m_used_demux);
 733         while ( iter < max_demux_slots )
 734         {
 735                 if ( m_used_demux[iter] != 0xFF )
 736                 {
 737                         if ( m_used_demux[iter] > data_demux )
 738                                 data_demux = m_used_demux[iter];
 739                         demux_mask |= (1 << m_used_demux[iter]);
 740                 }
 741                 ++iter;
 742         }
 743
 744         if ( data_demux == -1 )
 745         {
 746                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 747                 return;
 748         }
 749
 750         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 751
 752         unsigned int build_hash = (pmtpid << 16);
 753         build_hash |= (demux_mask << 8);
 754         build_hash |= (pmt_version&0xFF);
 755
 756         if ( build_hash == m_prev_build_hash )
 757         {
 758                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 759                 return;
 760         }
 761
 762         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 763         if ( i != ptr->getSections().end() )
 764         {
 765                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 766
 767                 while( i != ptr->getSections().end() )
 768                 {
 769 //                      eDebug("append");
 770                         capmt.append(*i++);
 771                 }
 772
 773                 // add our private descriptors to capmt
 774                 uint8_t tmp[10];
 775
 776                 tmp[0]=0x84;  // pmt pid
 777                 tmp[1]=0x02;
 778                 tmp[2]=pmtpid>>8;
 779                 tmp[3]=pmtpid&0xFF;
 780                 capmt.injectDescriptor(tmp, false);
 781
 782                 tmp[0] = 0x82; // demux
 783                 tmp[1] = 0x02;
 784                 tmp[2] = demux_mask;    // descramble bitmask
 785                 tmp[3] = data_demux&0xFF; // read section data from demux number
 786                 capmt.injectDescriptor(tmp, false);
 787
 788                 tmp[0] = 0x81; // dvbnamespace
 789                 tmp[1] = 0x08;
 790                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 791                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 792                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 793                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 794                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 795                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 796                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 797                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 798                 capmt.injectDescriptor(tmp, false);
 799
 800                 capmt.writeToBuffer(m_capmt);
 801         }
 802
 803         m_prev_build_hash = build_hash;
 804
 805         if ( m_sendstate != 0xFFFFFFFF )
 806                 m_sendstate=0;
 807         sendCAPMT();
 808 }
 809
 810 void eDVBCAService::sendCAPMT()
 811 {
 812         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 813         {
 814                 ::close(m_sock);
 815                 Connect();
 816         }
 817
 818         int wp=0;
 819         if ( m_capmt[3] & 0x80 )
 820         {
 821                 int i=0;
 822                 int lenbytes = m_capmt[3] & ~0x80;
 823                 while(i < lenbytes)
 824                         wp = (wp << 8) | m_capmt[4 + i++];
 825                 wp+=4;
 826                 wp+=lenbytes;
 827         }
 828         else
 829         {
 830                 wp = m_capmt[3];
 831                 wp+=4;
 832         }
 833
 834         if ( write(m_sock, m_capmt, wp) == wp )
 835         {
 836                 m_sendstate=0xFFFFFFFF;
 837                 eDebug("[eDVBCAService] send %d bytes",wp);
 838 #if 1
 839                 for(int i=0;i<wp;i++)
 840                         eDebugNoNewLine("%02x ", m_capmt[i]);
 841                 eDebug("");
 842 #endif
 843         }
 844         else
 845         {
 846                 switch(m_sendstate)
 847                 {
 848                         case 0xFFFFFFFF:
 849                                 ++m_sendstate;
 850                                 m_retryTimer.start(0,true);
 851 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 852                                 break;
 853                         default:
 854                                 m_retryTimer.start(5000,true);
 855 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 856                                 break;
 857                 }
 858                 ++m_sendstate;
 859         }
 860 }