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                                         case 0x81: // user private
 235                                                         /* PES private can contain AC-3, DTS or lots of other stuff.
 236                                                            check descriptors to get the exact type. */
 237                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 238                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 239                                                 {
 240                                                         switch ((*desc)->getTag())
 241                                                         {
 242                                                         case SUBTITLING_DESCRIPTOR:
 243                                                         {
 244                                                                 SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 245                                                                 const SubtitlingList *list = d->getSubtitlings();
 246                                                                 subtitleStream s;
 247                                                                 s.pid = (*es)->getPid();
 248                                                                 for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 249                                                                 {
 250                                                                         s.subtitling_type = (*it)->getSubtitlingType();
 251                                                                         s.composition_page_id = (*it)->getCompositionPageId();
 252                                                                         s.ancillary_page_id = (*it)->getAncillaryPageId();
 253                                                                         s.language_code = (*it)->getIso639LanguageCode();
 254 //                                                                      eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 255 //                                                                              s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 256                                                                         program.subtitleStreams.push_back(s);
 257                                                                 }
 258                                                                 break;
 259                                                         }
 260                                                         case TELETEXT_DESCRIPTOR:
 261                                                                 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 262                                                                 {
 263                                                                         subtitleStream s;
 264                                                                         s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 265                                                                         s.pid = program.textPid = (*es)->getPid();
 266                                                                         TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 267                                                                         const VbiTeletextList *list = d->getVbiTeletexts();
 268                                                                         for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 269                                                                         {
 270                                                                                 switch((*it)->getTeletextType())
 271                                                                                 {
 272                                                                                         case 0x02: // Teletext subtitle page
 273                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 274                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 275                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 276                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 277 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 278 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 279                                                                                                 program.subtitleStreams.push_back(s);
 280                                                                                                 break;
 281                                                                                 }
 282                                                                         }
 283                                                                 }
 284                                                                 break;
 285                                                         case DTS_DESCRIPTOR:
 286                                                                 isaudio = 1;
 287                                                                 audio.type = audioStream::atDTS;
 288                                                                 break;
 289                                                         case AAC_DESCRIPTOR:
 290                                                                 isaudio = 1;
 291                                                                 audio.type = audioStream::atAAC;
 292                                                                 break;
 293                                                         case AC3_DESCRIPTOR:
 294                                                                 isaudio = 1;
 295                                                                 audio.type = audioStream::atAC3;
 296                                                                 break;
 297                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 298                                                                 if (!isvideo)
 299                                                                 {
 300                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 301                                                                                 /* use last language code */
 302                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 303                                                                                 audio.language_code = (*i)->getIso639LanguageCode();
 304                                                                 }
 305                                                                 break;
 306                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 307                                                                 audio.component_tag =
 308                                                                         video.component_tag =
 309                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 310                                                                 break;
 311                                                         case CA_DESCRIPTOR:
 312                                                         {
 313                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 314                                                                 program.caids.insert(descr->getCaSystemId());
 315                                                                 break;
 316                                                         }
 317                                                         case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 318                                                         {
 319                                                                         /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 320                                                                 if ((*desc)->getLength() != 4)
 321                                                                         break;
 322                                                                 unsigned char descr[6];
 323                                                                 (*desc)->writeToBuffer(descr);
 324                                                                 int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 325                                                                 switch (format_identifier)
 326                                                                 {
 327                                                                 case 0x41432d33:
 328                                                                         isaudio = 1;
 329                                                                         audio.type = audioStream::atAC3;
 330                                                                         break;
 331                                                                 default:
 332                                                                         break;
 333                                                                 }
 334                                                                 break;
 335                                                         }
 336                                                         }
 337                                                 }
 338                                                 break;
 339                                         }
 340                                         if (isaudio)
 341                                         {
 342                                                 audio.pid = (*es)->getPid();
 343
 344                                                         /* if we find the cached pids, this will be our default stream */
 345                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 346                                                         program.defaultAudioStream = program.audioStreams.size();
 347
 348                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 349                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 350                                                         first_ac3 = program.audioStreams.size();
 351
 352                                                 program.audioStreams.push_back(audio);
 353                                         }
 354                                         else if (isvideo)
 355                                         {
 356                                                 video.pid = (*es)->getPid();
 357                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 358                                                 {
 359                                                         program.videoStreams.push_back(program.videoStreams[0]);
 360                                                         program.videoStreams[0] = video;
 361                                                 }
 362                                                 else
 363                                                         program.videoStreams.push_back(video);
 364                                         }
 365                                         else
 366                                                 continue;
 367                                 }
 368                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 369                                         desc != pmt.getDescriptors()->end(); ++desc)
 370                                 {
 371                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 372                                         {
 373                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 374                                                 program.caids.insert(descr->getCaSystemId());
 375                                         }
 376                                 }
 377                         }
 378                         ret = 0;
 379
 380
 381                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 382                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 383                            (note: if an ac3 audio stream was selected before, this will be also stored
 384                            in 'fisrt_ac3', so we don't need to worry. */
 385                         bool defaultac3 = false;
 386                         std::string default_ac3;
 387
 388                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 389                                 defaultac3 = default_ac3 == "True";
 390
 391                         if (defaultac3 && (first_ac3 != -1))
 392                                 program.defaultAudioStream = first_ac3;
 393
 394                         m_cached_program = program;
 395                         m_have_cached_program = true;
 396                 }
 397         } else if ( m_service && !m_service->cacheEmpty() )
 398         {
 399                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 400                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 401                         cnt=0;
 402                 if ( vpidtype == -1 )
 403                         vpidtype = videoStream::vtMPEG2;
 404                 if ( cached_vpid != -1 )
 405                 {
 406                         videoStream s;
 407                         s.pid = cached_vpid;
 408                         s.type = vpidtype;
 409                         program.videoStreams.push_back(s);
 410                         ++cnt;
 411                 }
 412                 if ( cached_apid_ac3 != -1 )
 413                 {
 414                         audioStream s;
 415                         s.type = audioStream::atAC3;
 416                         s.pid = cached_apid_ac3;
 417                         program.audioStreams.push_back(s);
 418                         ++cnt;
 419                 }
 420                 if ( cached_apid_mpeg != -1 )
 421                 {
 422                         audioStream s;
 423                         s.type = audioStream::atMPEG;
 424                         s.pid = cached_apid_mpeg;
 425                         program.audioStreams.push_back(s);
 426                         ++cnt;
 427                 }
 428                 if ( cached_pcrpid != -1 )
 429                 {
 430                         ++cnt;
 431                         program.pcrPid = cached_pcrpid;
 432                 }
 433                 if ( cached_tpid != -1 )
 434                 {
 435                         ++cnt;
 436                         program.textPid = cached_tpid;
 437                 }
 438                 CAID_LIST &caids = m_service->m_ca;
 439                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 440                         program.caids.insert(*it);
 441                 if ( cnt )
 442                         ret = 0;
 443         }
 444         return ret;
 445 }
 446
 447 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 448 {
 449         channel = m_channel;
 450         if (channel)
 451                 return 0;
 452         else
 453                 return -1;
 454 }
 455
 456 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 457 {
 458         demux = m_demux;
 459         if (demux)
 460                 return 0;
 461         else
 462                 return -1;
 463 }
 464
 465 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 466 {
 467         int ret=0;
 468                 /* if we're using the decoding demux as data source
 469                    (for example in pvr playbacks), return that one. */
 470         if (m_use_decode_demux)
 471         {
 472                 demux = m_demux;
 473                 return ret;
 474         }
 475
 476         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 477
 478         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 479         if (!ret)
 480                 demux->getCADemuxID(m_decode_demux_num);
 481
 482         return ret;
 483 }
 484
 485 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 486 {
 487         pvr_channel = m_pvr_channel;
 488         if (pvr_channel)
 489                 return 0;
 490         else
 491                 return -1;
 492 }
 493
 494 void eDVBServicePMTHandler::SDTScanEvent(int event)
 495 {
 496         switch (event)
 497         {
 498                 case eDVBScan::evtFinish:
 499                 {
 500                         ePtr<iDVBChannelList> db;
 501                         if (m_resourceManager->getChannelList(db) != 0)
 502                                 eDebug("no channel list");
 503                         else
 504                         {
 505                                 m_dvb_scan->insertInto(db, true);
 506                                 eDebug("sdt update done!");
 507                         }
 508                         break;
 509                 }
 510
 511                 default:
 512                         break;
 513         }
 514 }
 515
 516 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 517 {
 518         RESULT res;
 519         m_reference = ref;
 520
 521         m_use_decode_demux = use_decode_demux;
 522
 523                 /* is this a normal (non PVR) channel? */
 524         if (ref.path.empty())
 525         {
 526                 eDVBChannelID chid;
 527                 ref.getChannelID(chid);
 528                 res = m_resourceManager->allocateChannel(chid, m_channel);
 529                 eDebug("allocate Channel: res %d", res);
 530
 531                 ePtr<iDVBChannelList> db;
 532                 if (!m_resourceManager->getChannelList(db))
 533                                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 534
 535                 if (!res)
 536                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 537         } else
 538         {
 539                 eDVBMetaParser parser;
 540
 541                 int ret=parser.parseFile(ref.path);
 542                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 543                 {
 544                         eWarning("no .meta file found, trying to find PMT pid");
 545                         eDVBTSTools tstools;
 546                         if (tstools.openFile(ref.path.c_str()))
 547                                 eWarning("failed to open file");
 548                         else
 549                         {
 550                                 int service_id, pmt_pid;
 551                                 if (!tstools.findPMT(pmt_pid, service_id))
 552                                 {
 553                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 554                                         m_reference.setServiceID(service_id);
 555                                         m_pmt_pid = pmt_pid;
 556                                 }
 557                         }
 558                 } else
 559                         m_reference = parser.m_ref;
 560
 561                 eDebug("alloc PVR");
 562                         /* allocate PVR */
 563                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 564                 if (res)
 565                         eDebug("allocatePVRChannel failed!\n");
 566                 m_channel = m_pvr_channel;
 567         }
 568
 569         if (m_channel)
 570         {
 571                 m_channel->connectStateChange(
 572                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 573                         m_channelStateChanged_connection);
 574                 m_last_channel_state = -1;
 575                 channelStateChanged(m_channel);
 576
 577                 m_channel->connectEvent(
 578                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 579                         m_channelEvent_connection);
 580
 581                 if (ref.path.empty())
 582                 {
 583                         delete m_dvb_scan;
 584                         m_dvb_scan = new eDVBScan(m_channel, false, false);
 585                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 586                 }
 587         } else
 588         {
 589                 if (res == eDVBResourceManager::errAllSourcesBusy)
 590                         serviceEvent(eventNoResources);
 591                 else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 592                         serviceEvent(eventMisconfiguration);
 593                 return res;
 594         }
 595
 596         if (m_pvr_channel)
 597         {
 598                 m_pvr_channel->setCueSheet(cue);
 599                 m_pvr_channel->playFile(ref.path.c_str());
 600         }
 601
 602         return res;
 603 }
 604
 605 void eDVBServicePMTHandler::free()
 606 {
 607         m_dvb_scan = 0;
 608         delete m_dvb_scan;
 609
 610         if (m_ca_servicePtr)
 611         {
 612                 int demuxes[2] = {0,0};
 613                 uint8_t tmp;
 614                 m_demux->getCADemuxID(tmp);
 615                 demuxes[0]=tmp;
 616                 if (m_decode_demux_num != 0xFF)
 617                         demuxes[1]=m_decode_demux_num;
 618                 else
 619                         demuxes[1]=demuxes[0];
 620                 ePtr<eTable<ProgramMapSection> > ptr;
 621                 m_PMT.getCurrent(ptr);
 622                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 623                 m_ca_servicePtr = 0;
 624         }
 625
 626         if (m_channel)
 627                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 628
 629         if (m_pvr_channel)
 630         {
 631                 m_pvr_channel->stopFile();
 632                 m_pvr_channel->setCueSheet(0);
 633         }
 634         m_PMT.stop();
 635         m_PAT.stop();
 636         m_service = 0;
 637         m_channel = 0;
 638         m_pvr_channel = 0;
 639         m_demux = 0;
 640 }
 641
 642 CAServiceMap eDVBCAService::exist;
 643 ChannelMap eDVBCAService::exist_channels;
 644 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 645
 646 eDVBCAService::eDVBCAService()
 647         :m_sn(0), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 648 {
 649         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 650         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 651         Connect();
 652 }
 653
 654 eDVBCAService::~eDVBCAService()
 655 {
 656         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 657         ::close(m_sock);
 658         delete m_sn;
 659 }
 660
 661 // begin static methods
 662 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 663 {
 664         CAServiceMap::iterator it = exist.find(ref);
 665         if ( it != exist.end() )
 666                 caservice = it->second;
 667         else
 668         {
 669                 caservice = (exist[ref]=new eDVBCAService());
 670                 caservice->m_service = ref;
 671                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 672         }
 673
 674         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 675         for (int i=0; i < loops; ++i)
 676         {
 677 // search free demux entry
 678                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 679
 680                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 681                         ++iter;
 682
 683                 if ( iter < max_demux_slots )
 684                 {
 685                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 686                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 687                 }
 688                 else
 689                 {
 690                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 691                         return -1;
 692                 }
 693         }
 694         return 0;
 695 }
 696
 697 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 698 {
 699         CAServiceMap::iterator it = exist.find(ref);
 700         if ( it == exist.end() )
 701         {
 702                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 703                 return -1;
 704         }
 705         else
 706         {
 707                 eDVBCAService *caservice = it->second;
 708                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 709                 for (int i=0; i < loops; ++i)
 710                 {
 711                         bool freed = false;
 712                         int iter = 0,
 713                                 used_demux_slots = 0,
 714                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 715                         while ( iter < max_demux_slots )
 716                         {
 717                                 if ( caservice->m_used_demux[iter] != 0xFF )
 718                                 {
 719                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 720                                         {
 721                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 722                                                 caservice->m_used_demux[iter] = 0xFF;
 723                                                 freed=true;
 724                                         }
 725                                         else
 726                                                 ++used_demux_slots;
 727                                 }
 728                                 ++iter;
 729                         }
 730                         if (!freed)
 731                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 732                         if (i || loops == 1)
 733                         {
 734                                 if (!used_demux_slots)  // no more used.. so we remove it
 735                                 {
 736                                         delete it->second;
 737                                         exist.erase(it);
 738                                 }
 739                                 else
 740                                 {
 741                                         if (ptr)
 742                                                 it->second->buildCAPMT(ptr);
 743                                         else
 744                                                 eDebug("[eDVBCAService] can not send updated demux info");
 745                                 }
 746                         }
 747                 }
 748         }
 749         return 0;
 750 }
 751
 752 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 753 {
 754         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 755 }
 756
 757 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 758 {
 759         if ( chan )
 760         {
 761                 eDebug("[eDVBCAService] new channel %p!", chan);
 762                 channel_data *data = new channel_data();
 763                 data->m_channel = chan;
 764                 data->m_prevChannelState = -1;
 765                 data->m_dataDemux = -1;
 766                 exist_channels[chan] = data;
 767                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 768         }
 769 }
 770
 771 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 772 {
 773         ChannelMap::iterator it =
 774                 exist_channels.find(chan);
 775         if ( it != exist_channels.end() )
 776         {
 777                 int state=0;
 778                 chan->getState(state);
 779                 if ( it->second->m_prevChannelState != state )
 780                 {
 781                         switch (state)
 782                         {
 783                                 case iDVBChannel::state_ok:
 784                                 {
 785                                         eDebug("[eDVBCAService] channel %p running", chan);
 786                                         break;
 787                                 }
 788                                 case iDVBChannel::state_release:
 789                                 {
 790                                         eDebug("[eDVBCAService] remove channel %p", chan);
 791                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 792                                         msg[7] = it->second->m_dataDemux & 0xFF;
 793                                         int sock, clilen;
 794                                         struct sockaddr_un servaddr;
 795                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 796                                         servaddr.sun_family = AF_UNIX;
 797                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 798                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 799                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 800                                         if (sock > -1)
 801                                         {
 802                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 803                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 804                                                 int val=1;
 805                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 806                                                 if (write(sock, msg, 8) != 8)
 807                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 808                                                 close(sock);
 809                                         }
 810                                         exist_channels.erase(it);
 811                                         delete it->second;
 812                                         it->second=0;
 813                                         break;
 814                                 }
 815                                 default: // ignore all other events
 816                                         return;
 817                         }
 818                         if (it->second)
 819                                 it->second->m_prevChannelState = state;
 820                 }
 821         }
 822 }
 823
 824 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 825 {
 826         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 827         {
 828                 if (chid == it->second->m_channel->getChannelID())
 829                         return it->second;
 830         }
 831         return 0;
 832 }
 833 // end static methods
 834
 835 void eDVBCAService::socketCB(int what)
 836 {
 837         if (what & eSocketNotifier::Read)
 838                 /*eDebug("[eDVBCAService] data to read\n")*/;
 839         if (what & eSocketNotifier::Priority)
 840                 /*eDebug("[eDVBCAService] priority data to read\n")*/;
 841         if (what & eSocketNotifier::Hungup) {
 842                 /*eDebug("[eDVBCAService] connection closed\n")*/;
 843                 m_sendstate=1;
 844                 sendCAPMT();
 845         }
 846         if (what & eSocketNotifier::Error)
 847                 /*eDebug("[eDVBCAService] connection error\n")*/;
 848 }
 849
 850 void eDVBCAService::Connect()
 851 {
 852         if (m_sn) {
 853                 delete m_sn;
 854                 m_sn=0;
 855         }
 856         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 857         m_servaddr.sun_family = AF_UNIX;
 858         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 859         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 860         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 861         if (m_sock != -1)
 862         {
 863                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
 864                 {
 865                         int val=1;
 866                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 867                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 868                         m_sn = new eSocketNotifier(eApp, m_sock,
 869                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
 870                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
 871
 872                 }
 873 //              else
 874 //                      eDebug("[eDVBCAService] connect failed %m");
 875         }
 876         else
 877                 eDebug("[eDVBCAService] create socket failed %m");
 878 }
 879
 880 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 881 {
 882         if (!ptr)
 883                 return;
 884
 885         eDVBTableSpec table_spec;
 886         ptr->getSpec(table_spec);
 887
 888         int pmtpid = table_spec.pid,
 889                 pmt_version = table_spec.version;
 890
 891         uint8_t demux_mask = 0;
 892         int data_demux = -1;
 893
 894         int iter=0, max_demux_slots = sizeof(m_used_demux);
 895         while ( iter < max_demux_slots )
 896         {
 897                 if ( m_used_demux[iter] != 0xFF )
 898                 {
 899                         if ( m_used_demux[iter] > data_demux )
 900                                 data_demux = m_used_demux[iter];
 901                         demux_mask |= (1 << m_used_demux[iter]);
 902                 }
 903                 ++iter;
 904         }
 905
 906         if ( data_demux == -1 )
 907         {
 908                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 909                 return;
 910         }
 911
 912         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 913
 914         unsigned int build_hash = ( pmtpid << 16);
 915         build_hash |= (demux_mask << 8);
 916         build_hash |= (pmt_version&0xFF);
 917
 918         if ( build_hash == m_prev_build_hash )
 919         {
 920                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 921                 return;
 922         }
 923
 924         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 925         if ( i != ptr->getSections().end() )
 926         {
 927                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 928
 929                 while( i != ptr->getSections().end() )
 930                 {
 931 //                      eDebug("append");
 932                         capmt.append(*i++);
 933                 }
 934
 935                 // add our private descriptors to capmt
 936                 uint8_t tmp[10];
 937
 938                 tmp[0]=0x84;  // pmt pid
 939                 tmp[1]=0x02;
 940                 tmp[2]=pmtpid>>8;
 941                 tmp[3]=pmtpid&0xFF;
 942                 capmt.injectDescriptor(tmp, false);
 943
 944                 tmp[0] = 0x82; // demux
 945                 tmp[1] = 0x02;
 946                 tmp[2] = demux_mask;    // descramble bitmask
 947                 tmp[3] = data_demux&0xFF; // read section data from demux number
 948                 capmt.injectDescriptor(tmp, false);
 949
 950                 tmp[0] = 0x81; // dvbnamespace
 951                 tmp[1] = 0x08;
 952                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 953                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 954                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 955                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 956                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 957                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 958                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 959                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 960                 capmt.injectDescriptor(tmp, false);
 961
 962                 capmt.writeToBuffer(m_capmt);
 963         }
 964
 965         m_prev_build_hash = build_hash;
 966
 967         if ( m_sendstate != 0xFFFFFFFF )
 968                 m_sendstate=0;
 969         sendCAPMT();
 970 }
 971
 972 void eDVBCAService::sendCAPMT()
 973 {
 974         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 975         {
 976                 ::close(m_sock);
 977                 Connect();
 978         }
 979
 980         int wp=0;
 981         if ( m_capmt[3] & 0x80 )
 982         {
 983                 int i=0;
 984                 int lenbytes = m_capmt[3] & ~0x80;
 985                 while(i < lenbytes)
 986                         wp = (wp << 8) | m_capmt[4 + i++];
 987                 wp+=4;
 988                 wp+=lenbytes;
 989         }
 990         else
 991         {
 992                 wp = m_capmt[3];
 993                 wp+=4;
 994         }
 995
 996         if ( write(m_sock, m_capmt, wp) == wp )
 997         {
 998                 m_sendstate=0xFFFFFFFF;
 999                 eDebug("[eDVBCAService] send %d bytes",wp);
1000                 eDVBChannelID chid;
1001                 m_service.getChannelID(chid);
1002                 channel_data *data = getChannelData(chid);
1003                 if (data)
1004                 {
1005                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1006                         data->m_dataDemux = m_capmt[24+lenbytes];
1007                 }
1008 #if 1
1009                 for(int i=0;i<wp;i++)
1010                         eDebugNoNewLine("%02x ", m_capmt[i]);
1011                 eDebug("");
1012 #endif
1013         }
1014         else
1015         {
1016                 switch(m_sendstate)
1017                 {
1018                         case 0xFFFFFFFF:
1019                                 ++m_sendstate;
1020                                 m_retryTimer.start(0,true);
1021 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1022                                 break;
1023                         default:
1024                                 m_retryTimer.start(5000,true);
1025 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1026                                 break;
1027                 }
1028                 ++m_sendstate;
1029         }
1030 }
1031
1032 static PyObject *createTuple(int pid, const char *type)
1033 {
1034         PyObject *r = PyTuple_New(2);
1035         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
1036         PyTuple_SetItem(r, 1, PyString_FromString(type));
1037         return r;
1038 }
1039
1040 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1041 {
1042         PyList_Append(list, item);
1043         Py_DECREF(item);
1044 }
1045
1046 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1047 {
1048         PyObject *r = PyDict_New();
1049
1050         PyObject *l = PyList_New(0);
1051
1052         PyList_AppendSteal(l, createTuple(0, "pat"));
1053
1054         if (pmtPid != -1)
1055                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1056
1057         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1058                         i(videoStreams.begin());
1059                         i != videoStreams.end(); ++i)
1060                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1061
1062         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1063                         i(audioStreams.begin());
1064                         i != audioStreams.end(); ++i)
1065                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1066
1067         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1068                         i(subtitleStreams.begin());
1069                         i != subtitleStreams.end(); ++i)
1070                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1071
1072         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1073
1074         if (textPid != -1)
1075                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1076
1077         PyDict_SetItemString(r, "pids", l);
1078         return r;
1079 }