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 #include <dvbsi++/subtitling_descriptor.h>
  16 #include <dvbsi++/teletext_descriptor.h>
  17 #include <lib/base/nconfig.h> // access to python config
  18
  19 eDVBServicePMTHandler::eDVBServicePMTHandler()
  20         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  21 {
  22         m_use_decode_demux = 0;
  23         m_pmt_pid = -1;
  24         eDVBResourceManager::getInstance(m_resourceManager);
  25         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  26         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  27 }
  28
  29 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  30 {
  31         free();
  32 }
  33
  34 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  35 {
  36         int state;
  37         channel->getState(state);
  38
  39         if ((m_last_channel_state != iDVBChannel::state_ok)
  40                 && (state == iDVBChannel::state_ok) && (!m_demux))
  41         {
  42                 if (m_channel)
  43                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  44                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  45
  46                 serviceEvent(eventTuned);
  47
  48                 if (m_demux)
  49                 {
  50                         eDebug("ok ... now we start!!");
  51
  52                         if (m_pmt_pid == -1)
  53                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  54                         else
  55                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), 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         case iDVBChannel::evtSOF:
  76                 serviceEvent(eventSOF);
  77                 break;
  78         default:
  79                 break;
  80         }
  81 }
  82
  83 void eDVBServicePMTHandler::PMTready(int error)
  84 {
  85         if (error)
  86                 serviceEvent(eventNoPMT);
  87         else
  88         {
  89                 m_have_cached_program = false;
  90                 serviceEvent(eventNewProgramInfo);
  91                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  92                 {
  93                         eEPGCache::getInstance()->PMTready(this);
  94                         if(!m_ca_servicePtr)
  95                         {
  96                                 int demuxes[2] = {0,0};
  97                                 uint8_t tmp;
  98                                 m_demux->getCADemuxID(tmp);
  99                                 demuxes[0]=tmp;
 100                                 if (m_decode_demux_num != 0xFF)
 101                                         demuxes[1]=m_decode_demux_num;
 102                                 else
 103                                         demuxes[1]=demuxes[0];
 104                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 105                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 106                         }
 107                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 108                 }
 109                 if (m_ca_servicePtr)
 110                 {
 111                         ePtr<eTable<ProgramMapSection> > ptr;
 112                         if (!m_PMT.getCurrent(ptr))
 113                                 m_ca_servicePtr->buildCAPMT(ptr);
 114                         else
 115                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 116                 }
 117         }
 118 }
 119
 120 void eDVBServicePMTHandler::PATready(int)
 121 {
 122         ePtr<eTable<ProgramAssociationSection> > ptr;
 123         if (!m_PAT.getCurrent(ptr))
 124         {
 125                 int pmtpid = -1;
 126                 std::vector<ProgramAssociationSection*>::const_iterator i;
 127                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 128                 {
 129                         const ProgramAssociationSection &pat = **i;
 130                         ProgramAssociationConstIterator program;
 131                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 132                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 133                                         pmtpid = (*program)->getProgramMapPid();
 134                 }
 135                 if (pmtpid == -1)
 136                         serviceEvent(eventNoPATEntry);
 137                 else
 138                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 139         } else
 140                 serviceEvent(eventNoPAT);
 141 }
 142
 143 PyObject *eDVBServicePMTHandler::getCaIds()
 144 {
 145         ePyObject ret;
 146
 147         program prog;
 148
 149         if ( !getProgramInfo(prog) )
 150         {
 151                 int cnt=prog.caids.size();
 152                 if (cnt)
 153                 {
 154                         ret=PyList_New(cnt);
 155                         std::set<uint16_t>::iterator it(prog.caids.begin());
 156                         while(cnt--)
 157                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 158                 }
 159         }
 160
 161         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 162 }
 163
 164 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 165 {
 166         ePtr<eTable<ProgramMapSection> > ptr;
 167         int cached_apid_ac3 = -1;
 168         int cached_apid_mpeg = -1;
 169         int cached_vpid = -1;
 170         int cached_tpid = -1;
 171         int ret = -1;
 172
 173         program.videoStreams.clear();
 174         program.audioStreams.clear();
 175         program.pcrPid = -1;
 176         program.pmtPid = -1;
 177         program.textPid = -1;
 178
 179         int first_ac3 = -1;
 180         program.defaultAudioStream = 0;
 181
 182         if ( m_service && !m_service->cacheEmpty() )
 183         {
 184                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 185                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 186                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 187                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 188         }
 189
 190         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 191         {
 192                 if (m_have_cached_program)
 193                 {
 194                         program = m_cached_program;
 195                         ret = 0;
 196                 }
 197                 else
 198                 {
 199                         eDVBTableSpec table_spec;
 200                         ptr->getSpec(table_spec);
 201                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 202                         std::vector<ProgramMapSection*>::const_iterator i;
 203                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 204                         {
 205                                 const ProgramMapSection &pmt = **i;
 206                                 program.pcrPid = pmt.getPcrPid();
 207
 208                                 ElementaryStreamInfoConstIterator es;
 209                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 210                                 {
 211                                         int isaudio = 0, isvideo = 0;
 212                                         videoStream video;
 213                                         audioStream audio;
 214                                         audio.component_tag=video.component_tag=-1;
 215                                         video.type = videoStream::vtMPEG2;
 216
 217                                         switch ((*es)->getType())
 218                                         {
 219                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 220                                                 video.type = videoStream::vtMPEG4_H264;
 221                                         case 0x01: // MPEG 1 video
 222                                         case 0x02: // MPEG 2 video
 223                                                 isvideo = 1;
 224                                                 //break; fall through !!!
 225                                         case 0x03: // MPEG 1 audio
 226                                         case 0x04: // MPEG 2 audio:
 227                                                 if (!isvideo)
 228                                                 {
 229                                                         isaudio = 1;
 230                                                         audio.type = audioStream::atMPEG;
 231                                                 }
 232                                                 //break; fall through !!!
 233                                         case 0x06: // PES Private
 234                                                         /* PES private can contain AC-3, DTS or lots of other stuff.
 235                                                            check descriptors to get the exact type. */
 236                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 237                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 238                                                 {
 239                                                         switch ((*desc)->getTag())
 240                                                         {
 241                                                         case SUBTITLING_DESCRIPTOR:
 242                                                         {
 243                                                                 SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 244                                                                 const SubtitlingList *list = d->getSubtitlings();
 245                                                                 subtitleStream s;
 246                                                                 s.pid = (*es)->getPid();
 247                                                                 for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 248                                                                 {
 249                                                                         s.subtitling_type = (*it)->getSubtitlingType();
 250                                                                         s.composition_page_id = (*it)->getCompositionPageId();
 251                                                                         s.ancillary_page_id = (*it)->getAncillaryPageId();
 252                                                                         s.language_code = (*it)->getIso639LanguageCode();
 253 //                                                                      eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 254 //                                                                              s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 255                                                                         program.subtitleStreams.push_back(s);
 256                                                                 }
 257                                                                 break;
 258                                                         }
 259                                                         case TELETEXT_DESCRIPTOR:
 260                                                                 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 261                                                                 {
 262                                                                         subtitleStream s;
 263                                                                         s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 264                                                                         s.pid = program.textPid = (*es)->getPid();
 265                                                                         TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 266                                                                         const VbiTeletextList *list = d->getVbiTeletexts();
 267                                                                         for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 268                                                                         {
 269                                                                                 switch((*it)->getTeletextType())
 270                                                                                 {
 271                                                                                         case 0x02: // Teletext subtitle page
 272                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 273                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 274                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 275                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 276 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 277 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 278                                                                                                 program.subtitleStreams.push_back(s);
 279                                                                                                 break;
 280                                                                                 }
 281                                                                         }
 282                                                                 }
 283                                                                 break;
 284                                                         case DTS_DESCRIPTOR:
 285                                                                 isaudio = 1;
 286                                                                 audio.type = audioStream::atDTS;
 287                                                                 break;
 288                                                         case AAC_DESCRIPTOR:
 289                                                                 isaudio = 1;
 290                                                                 audio.type = audioStream::atAAC;
 291                                                                 break;
 292                                                         case AC3_DESCRIPTOR:
 293                                                                 isaudio = 1;
 294                                                                 audio.type = audioStream::atAC3;
 295                                                                 break;
 296                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 297                                                                 if (!isvideo)
 298                                                                 {
 299                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 300                                                                                 /* use last language code */
 301                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 302                                                                                 audio.language_code = (*i)->getIso639LanguageCode();
 303                                                                 }
 304                                                                 break;
 305                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 306                                                                 audio.component_tag =
 307                                                                         video.component_tag =
 308                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 309                                                                 break;
 310                                                         case CA_DESCRIPTOR:
 311                                                         {
 312                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 313                                                                 program.caids.insert(descr->getCaSystemId());
 314                                                                 break;
 315                                                         }
 316                                                         }
 317                                                 }
 318                                                 break;
 319                                         }
 320                                         if (isaudio)
 321                                         {
 322                                                 audio.pid = (*es)->getPid();
 323
 324                                                         /* if we find the cached pids, this will be our default stream */
 325                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 326                                                         program.defaultAudioStream = program.audioStreams.size();
 327
 328                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 329                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 330                                                         first_ac3 = program.audioStreams.size();
 331
 332                                                 program.audioStreams.push_back(audio);
 333                                         }
 334                                         else if (isvideo)
 335                                         {
 336                                                 video.pid = (*es)->getPid();
 337                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 338                                                 {
 339                                                         program.videoStreams.push_back(program.videoStreams[0]);
 340                                                         program.videoStreams[0] = video;
 341                                                 }
 342                                                 else
 343                                                         program.videoStreams.push_back(video);
 344                                         }
 345                                         else
 346                                                 continue;
 347                                 }
 348                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 349                                         desc != pmt.getDescriptors()->end(); ++desc)
 350                                 {
 351                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 352                                         {
 353                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 354                                                 program.caids.insert(descr->getCaSystemId());
 355                                         }
 356                                 }
 357                         }
 358                         ret = 0;
 359
 360
 361                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 362                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 363                            (note: if an ac3 audio stream was selected before, this will be also stored
 364                            in 'fisrt_ac3', so we don't need to worry. */
 365                         bool defaultac3 = false;
 366                         std::string default_ac3;
 367
 368                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 369                                 defaultac3 = default_ac3 == "True";
 370
 371                         if (defaultac3 && (first_ac3 != -1))
 372                                 program.defaultAudioStream = first_ac3;
 373
 374                         m_cached_program = program;
 375                         m_have_cached_program = true;
 376                 }
 377         } else if ( m_service && !m_service->cacheEmpty() )
 378         {
 379                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 380                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 381                         cnt=0;
 382                 if ( vpidtype == -1 )
 383                         vpidtype = videoStream::vtMPEG2;
 384                 if ( cached_vpid != -1 )
 385                 {
 386                         videoStream s;
 387                         s.pid = cached_vpid;
 388                         s.type = vpidtype;
 389                         program.videoStreams.push_back(s);
 390                         ++cnt;
 391                 }
 392                 if ( cached_apid_ac3 != -1 )
 393                 {
 394                         audioStream s;
 395                         s.type = audioStream::atAC3;
 396                         s.pid = cached_apid_ac3;
 397                         program.audioStreams.push_back(s);
 398                         ++cnt;
 399                 }
 400                 if ( cached_apid_mpeg != -1 )
 401                 {
 402                         audioStream s;
 403                         s.type = audioStream::atMPEG;
 404                         s.pid = cached_apid_mpeg;
 405                         program.audioStreams.push_back(s);
 406                         ++cnt;
 407                 }
 408                 if ( cached_pcrpid != -1 )
 409                 {
 410                         ++cnt;
 411                         program.pcrPid = cached_pcrpid;
 412                 }
 413                 if ( cached_tpid != -1 )
 414                 {
 415                         ++cnt;
 416                         program.textPid = cached_tpid;
 417                 }
 418                 CAID_LIST &caids = m_service->m_ca;
 419                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 420                         program.caids.insert(*it);
 421                 if ( cnt )
 422                         ret = 0;
 423         }
 424         return ret;
 425 }
 426
 427 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 428 {
 429         channel = m_channel;
 430         if (channel)
 431                 return 0;
 432         else
 433                 return -1;
 434 }
 435
 436 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 437 {
 438         demux = m_demux;
 439         if (demux)
 440                 return 0;
 441         else
 442                 return -1;
 443 }
 444
 445 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 446 {
 447         int ret=0;
 448                 /* if we're using the decoding demux as data source
 449                    (for example in pvr playbacks), return that one. */
 450         if (m_use_decode_demux)
 451         {
 452                 demux = m_demux;
 453                 return ret;
 454         }
 455
 456         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 457
 458         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 459         if (!ret)
 460                 demux->getCADemuxID(m_decode_demux_num);
 461
 462         return ret;
 463 }
 464
 465 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 466 {
 467         pvr_channel = m_pvr_channel;
 468         if (pvr_channel)
 469                 return 0;
 470         else
 471                 return -1;
 472 }
 473
 474 void eDVBServicePMTHandler::SDTScanEvent(int event)
 475 {
 476         switch (event)
 477         {
 478                 case eDVBScan::evtFinish:
 479                 {
 480                         ePtr<iDVBChannelList> db;
 481                         if (m_resourceManager->getChannelList(db) != 0)
 482                                 eDebug("no channel list");
 483                         else
 484                         {
 485                                 m_dvb_scan->insertInto(db, true);
 486                                 eDebug("sdt update done!");
 487                         }
 488                         break;
 489                 }
 490
 491                 default:
 492                         break;
 493         }
 494 }
 495
 496 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 497 {
 498         RESULT res;
 499         m_reference = ref;
 500
 501         m_use_decode_demux = use_decode_demux;
 502
 503                 /* is this a normal (non PVR) channel? */
 504         if (ref.path.empty())
 505         {
 506                 eDVBChannelID chid;
 507                 ref.getChannelID(chid);
 508                 res = m_resourceManager->allocateChannel(chid, m_channel);
 509                 eDebug("allocate Channel: res %d", res);
 510
 511                 ePtr<iDVBChannelList> db;
 512                 if (!m_resourceManager->getChannelList(db))
 513                                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 514
 515                 if (!res)
 516                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 517         } else
 518         {
 519                 eDVBMetaParser parser;
 520
 521                 int ret=parser.parseFile(ref.path);
 522                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 523                 {
 524                         eWarning("no .meta file found, trying to find PMT pid");
 525                         eDVBTSTools tstools;
 526                         if (tstools.openFile(ref.path.c_str()))
 527                                 eWarning("failed to open file");
 528                         else
 529                         {
 530                                 int service_id, pmt_pid;
 531                                 if (!tstools.findPMT(pmt_pid, service_id))
 532                                 {
 533                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 534                                         m_reference.setServiceID(service_id);
 535                                         m_pmt_pid = pmt_pid;
 536                                 }
 537                         }
 538                 } else
 539                         m_reference = parser.m_ref;
 540
 541                 eDebug("alloc PVR");
 542                         /* allocate PVR */
 543                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 544                 if (res)
 545                         eDebug("allocatePVRChannel failed!\n");
 546                 m_channel = m_pvr_channel;
 547         }
 548
 549         if (m_channel)
 550         {
 551                 m_channel->connectStateChange(
 552                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 553                         m_channelStateChanged_connection);
 554                 m_last_channel_state = -1;
 555                 channelStateChanged(m_channel);
 556
 557                 m_channel->connectEvent(
 558                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 559                         m_channelEvent_connection);
 560
 561                 if (ref.path.empty())
 562                 {
 563                         delete m_dvb_scan;
 564                         m_dvb_scan = new eDVBScan(m_channel, false, false);
 565                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 566                 }
 567         } else
 568         {
 569                 serviceEvent(eventNoResources);
 570                 return res;
 571         }
 572
 573         if (m_pvr_channel)
 574         {
 575                 m_pvr_channel->setCueSheet(cue);
 576                 m_pvr_channel->playFile(ref.path.c_str());
 577         }
 578
 579         return res;
 580 }
 581
 582 void eDVBServicePMTHandler::free()
 583 {
 584         m_dvb_scan = 0;
 585         delete m_dvb_scan;
 586
 587         if (m_ca_servicePtr)
 588         {
 589                 int demuxes[2] = {0,0};
 590                 uint8_t tmp;
 591                 m_demux->getCADemuxID(tmp);
 592                 demuxes[0]=tmp;
 593                 if (m_decode_demux_num != 0xFF)
 594                         demuxes[1]=m_decode_demux_num;
 595                 else
 596                         demuxes[1]=demuxes[0];
 597                 ePtr<eTable<ProgramMapSection> > ptr;
 598                 m_PMT.getCurrent(ptr);
 599                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 600                 m_ca_servicePtr = 0;
 601         }
 602
 603         if (m_channel)
 604                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 605
 606         if (m_pvr_channel)
 607         {
 608                 m_pvr_channel->stopFile();
 609                 m_pvr_channel->setCueSheet(0);
 610         }
 611         m_PMT.stop();
 612         m_PAT.stop();
 613         m_service = 0;
 614         m_channel = 0;
 615         m_pvr_channel = 0;
 616         m_demux = 0;
 617 }
 618
 619 CAServiceMap eDVBCAService::exist;
 620 ChannelMap eDVBCAService::exist_channels;
 621 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 622
 623 eDVBCAService::eDVBCAService()
 624         :m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 625 {
 626         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 627         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 628         Connect();
 629 }
 630
 631 eDVBCAService::~eDVBCAService()
 632 {
 633         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 634         ::close(m_sock);
 635 }
 636
 637 // begin static methods
 638 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 639 {
 640         CAServiceMap::iterator it = exist.find(ref);
 641         if ( it != exist.end() )
 642                 caservice = it->second;
 643         else
 644         {
 645                 caservice = (exist[ref]=new eDVBCAService());
 646                 caservice->m_service = ref;
 647                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 648         }
 649
 650         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 651         for (int i=0; i < loops; ++i)
 652         {
 653 // search free demux entry
 654                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 655
 656                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 657                         ++iter;
 658
 659                 if ( iter < max_demux_slots )
 660                 {
 661                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 662                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 663                 }
 664                 else
 665                 {
 666                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 667                         return -1;
 668                 }
 669         }
 670         return 0;
 671 }
 672
 673 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 674 {
 675         CAServiceMap::iterator it = exist.find(ref);
 676         if ( it == exist.end() )
 677         {
 678                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 679                 return -1;
 680         }
 681         else
 682         {
 683                 eDVBCAService *caservice = it->second;
 684                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 685                 for (int i=0; i < loops; ++i)
 686                 {
 687                         bool freed = false;
 688                         int iter = 0,
 689                                 used_demux_slots = 0,
 690                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 691                         while ( iter < max_demux_slots )
 692                         {
 693                                 if ( caservice->m_used_demux[iter] != 0xFF )
 694                                 {
 695                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 696                                         {
 697                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 698                                                 caservice->m_used_demux[iter] = 0xFF;
 699                                                 freed=true;
 700                                         }
 701                                         else
 702                                                 ++used_demux_slots;
 703                                 }
 704                                 ++iter;
 705                         }
 706                         if (!freed)
 707                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 708                         if (i || loops == 1)
 709                         {
 710                                 if (!used_demux_slots)  // no more used.. so we remove it
 711                                 {
 712                                         delete it->second;
 713                                         exist.erase(it);
 714                                 }
 715                                 else
 716                                 {
 717                                         if (ptr)
 718                                                 it->second->buildCAPMT(ptr);
 719                                         else
 720                                                 eDebug("[eDVBCAService] can not send updated demux info");
 721                                 }
 722                         }
 723                 }
 724         }
 725         return 0;
 726 }
 727
 728 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 729 {
 730         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 731 }
 732
 733 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 734 {
 735         if ( chan )
 736         {
 737                 eDebug("[eDVBCAService] new channel %p!", chan);
 738                 channel_data *data = new channel_data();
 739                 data->m_channel = chan;
 740                 data->m_prevChannelState = -1;
 741                 data->m_dataDemux = -1;
 742                 exist_channels[chan] = data;
 743                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 744         }
 745 }
 746
 747 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 748 {
 749         ChannelMap::iterator it =
 750                 exist_channels.find(chan);
 751         if ( it != exist_channels.end() )
 752         {
 753                 int state=0;
 754                 chan->getState(state);
 755                 if ( it->second->m_prevChannelState != state )
 756                 {
 757                         switch (state)
 758                         {
 759                                 case iDVBChannel::state_ok:
 760                                 {
 761                                         eDebug("[eDVBCAService] channel %p running", chan);
 762                                         break;
 763                                 }
 764                                 case iDVBChannel::state_release:
 765                                 {
 766                                         eDebug("[eDVBCAService] remove channel %p", chan);
 767                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 768                                         msg[7] = it->second->m_dataDemux & 0xFF;
 769                                         int sock, clilen;
 770                                         struct sockaddr_un servaddr;
 771                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 772                                         servaddr.sun_family = AF_UNIX;
 773                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 774                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 775                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 776                                         if (sock > -1)
 777                                         {
 778                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 779                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 780                                                 int val=1;
 781                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 782                                                 if (write(sock, msg, 8) != 8)
 783                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 784                                                 close(sock);
 785                                         }
 786                                         exist_channels.erase(it);
 787                                         delete it->second;
 788                                         it->second=0;
 789                                         break;
 790                                 }
 791                                 default: // ignore all other events
 792                                         return;
 793                         }
 794                         if (it->second)
 795                                 it->second->m_prevChannelState = state;
 796                 }
 797         }
 798 }
 799
 800 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 801 {
 802         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 803         {
 804                 if (chid == it->second->m_channel->getChannelID())
 805                         return it->second;
 806         }
 807         return 0;
 808 }
 809 // end static methods
 810
 811 void eDVBCAService::Connect()
 812 {
 813         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 814         m_servaddr.sun_family = AF_UNIX;
 815         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 816         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 817         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 818         connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen);
 819         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 820         int val=1;
 821         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 822 }
 823
 824 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 825 {
 826         if (!ptr)
 827                 return;
 828
 829         eDVBTableSpec table_spec;
 830         ptr->getSpec(table_spec);
 831
 832         int pmtpid = table_spec.pid,
 833                 pmt_version = table_spec.version;
 834
 835         uint8_t demux_mask = 0;
 836         int data_demux = -1;
 837
 838         int iter=0, max_demux_slots = sizeof(m_used_demux);
 839         while ( iter < max_demux_slots )
 840         {
 841                 if ( m_used_demux[iter] != 0xFF )
 842                 {
 843                         if ( m_used_demux[iter] > data_demux )
 844                                 data_demux = m_used_demux[iter];
 845                         demux_mask |= (1 << m_used_demux[iter]);
 846                 }
 847                 ++iter;
 848         }
 849
 850         if ( data_demux == -1 )
 851         {
 852                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 853                 return;
 854         }
 855
 856         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 857
 858         unsigned int build_hash = ( pmtpid << 16);
 859         build_hash |= (demux_mask << 8);
 860         build_hash |= (pmt_version&0xFF);
 861
 862         if ( build_hash == m_prev_build_hash )
 863         {
 864                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 865                 return;
 866         }
 867
 868         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 869         if ( i != ptr->getSections().end() )
 870         {
 871                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 872
 873                 while( i != ptr->getSections().end() )
 874                 {
 875 //                      eDebug("append");
 876                         capmt.append(*i++);
 877                 }
 878
 879                 // add our private descriptors to capmt
 880                 uint8_t tmp[10];
 881
 882                 tmp[0]=0x84;  // pmt pid
 883                 tmp[1]=0x02;
 884                 tmp[2]=pmtpid>>8;
 885                 tmp[3]=pmtpid&0xFF;
 886                 capmt.injectDescriptor(tmp, false);
 887
 888                 tmp[0] = 0x82; // demux
 889                 tmp[1] = 0x02;
 890                 tmp[2] = demux_mask;    // descramble bitmask
 891                 tmp[3] = data_demux&0xFF; // read section data from demux number
 892                 capmt.injectDescriptor(tmp, false);
 893
 894                 tmp[0] = 0x81; // dvbnamespace
 895                 tmp[1] = 0x08;
 896                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 897                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 898                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 899                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 900                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 901                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 902                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 903                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 904                 capmt.injectDescriptor(tmp, false);
 905
 906                 capmt.writeToBuffer(m_capmt);
 907         }
 908
 909         m_prev_build_hash = build_hash;
 910
 911         if ( m_sendstate != 0xFFFFFFFF )
 912                 m_sendstate=0;
 913         sendCAPMT();
 914 }
 915
 916 void eDVBCAService::sendCAPMT()
 917 {
 918         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 919         {
 920                 ::close(m_sock);
 921                 Connect();
 922         }
 923
 924         int wp=0;
 925         if ( m_capmt[3] & 0x80 )
 926         {
 927                 int i=0;
 928                 int lenbytes = m_capmt[3] & ~0x80;
 929                 while(i < lenbytes)
 930                         wp = (wp << 8) | m_capmt[4 + i++];
 931                 wp+=4;
 932                 wp+=lenbytes;
 933         }
 934         else
 935         {
 936                 wp = m_capmt[3];
 937                 wp+=4;
 938         }
 939
 940         if ( write(m_sock, m_capmt, wp) == wp )
 941         {
 942                 m_sendstate=0xFFFFFFFF;
 943                 eDebug("[eDVBCAService] send %d bytes",wp);
 944                 eDVBChannelID chid;
 945                 m_service.getChannelID(chid);
 946                 channel_data *data = getChannelData(chid);
 947                 if (data)
 948                 {
 949                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
 950                         data->m_dataDemux = m_capmt[24+lenbytes];
 951                 }
 952 #if 1
 953                 for(int i=0;i<wp;i++)
 954                         eDebugNoNewLine("%02x ", m_capmt[i]);
 955                 eDebug("");
 956 #endif
 957         }
 958         else
 959         {
 960                 switch(m_sendstate)
 961                 {
 962                         case 0xFFFFFFFF:
 963                                 ++m_sendstate;
 964                                 m_retryTimer.start(0,true);
 965 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
 966                                 break;
 967                         default:
 968                                 m_retryTimer.start(5000,true);
 969 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
 970                                 break;
 971                 }
 972                 ++m_sendstate;
 973         }
 974 }
 975
 976 static PyObject *createTuple(int pid, const char *type)
 977 {
 978         PyObject *r = PyTuple_New(2);
 979         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
 980         PyTuple_SetItem(r, 1, PyString_FromString(type));
 981         return r;
 982 }
 983
 984 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
 985 {
 986         PyList_Append(list, item);
 987         Py_DECREF(item);
 988 }
 989
 990 PyObject *eDVBServicePMTHandler::program::createPythonObject()
 991 {
 992         PyObject *r = PyDict_New();
 993
 994         PyObject *l = PyList_New(0);
 995
 996         PyList_AppendSteal(l, createTuple(0, "pat"));
 997
 998         if (pmtPid != -1)
 999                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1000
1001         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1002                         i(videoStreams.begin());
1003                         i != videoStreams.end(); ++i)
1004                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1005
1006         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1007                         i(audioStreams.begin());
1008                         i != audioStreams.end(); ++i)
1009                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1010
1011         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1012                         i(subtitleStreams.begin());
1013                         i != subtitleStreams.end(); ++i)
1014                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1015
1016         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1017
1018         if (textPid != -1)
1019                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1020
1021         PyDict_SetItemString(r, "pids", l);
1022         return r;
1023 }