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

   1 #include <lib/base/eerror.h>
   2 #include <lib/dvb/pmt.h>
   3 #include <lib/dvb/specs.h>
   4 #include <lib/dvb/dvb.h>
   5 #include <lib/dvb/metaparser.h>
   6 #include <lib/dvb_ci/dvbci.h>
   7 #include <lib/dvb/epgcache.h>
   8 #include <lib/dvb/scan.h>
   9 #include <dvbsi++/ca_descriptor.h>
  10 #include <dvbsi++/ca_program_map_section.h>
  11 #include <dvbsi++/teletext_descriptor.h>
  12 #include <dvbsi++/descriptor_tag.h>
  13 #include <dvbsi++/iso639_language_descriptor.h>
  14 #include <dvbsi++/stream_identifier_descriptor.h>
  15 #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                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 236                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 237                                                 {
 238                                                         uint8_t tag = (*desc)->getTag();
 239                                                         if (!isaudio && !isvideo)
 240                                                         {
 241                                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 242                                                                    check descriptors to get the exakt type. */
 243                                                                 switch (tag)
 244                                                                 {
 245                                                                 case SUBTITLING_DESCRIPTOR:
 246                                                                 {
 247                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 248                                                                         const SubtitlingList *list = d->getSubtitlings();
 249                                                                         subtitleStream s;
 250                                                                         s.pid = (*es)->getPid();
 251                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 252                                                                         {
 253                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 254                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 255                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 256                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 257         //                                                                      eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 258         //                                                                              s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 259                                                                                 program.subtitleStreams.push_back(s);
 260                                                                         }
 261                                                                         break;
 262                                                                 }
 263                                                                 case TELETEXT_DESCRIPTOR:
 264                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 265                                                                         {
 266                                                                                 subtitleStream s;
 267                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 268                                                                                 s.pid = program.textPid = (*es)->getPid();
 269                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 270                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 271                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 272                                                                                 {
 273                                                                                         switch((*it)->getTeletextType())
 274                                                                                         {
 275                                                                                         case 0x02: // Teletext subtitle page
 276                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 277                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 278                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 279                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 280 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 281 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 282                                                                                                 program.subtitleStreams.push_back(s);
 283                                                                                                 break;
 284                                                                                         }
 285                                                                                 }
 286                                                                         }
 287                                                                         break;
 288                                                                 case DTS_DESCRIPTOR:
 289                                                                         isaudio = 1;
 290                                                                         audio.type = audioStream::atDTS;
 291                                                                         break;
 292                                                                 case AAC_DESCRIPTOR:
 293                                                                         isaudio = 1;
 294                                                                         audio.type = audioStream::atAAC;
 295                                                                         break;
 296                                                                 case AC3_DESCRIPTOR:
 297                                                                         isaudio = 1;
 298                                                                         audio.type = audioStream::atAC3;
 299                                                                         break;
 300                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 301                                                                 {
 302                                                                                 /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 303                                                                         if ((*desc)->getLength() != 4)
 304                                                                                 break;
 305                                                                         unsigned char descr[6];
 306                                                                         (*desc)->writeToBuffer(descr);
 307                                                                         int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 308                                                                         switch (format_identifier)
 309                                                                         {
 310                                                                         case 0x41432d33:
 311                                                                                 isaudio = 1;
 312                                                                                 audio.type = audioStream::atAC3;
 313                                                                                 break;
 314                                                                         default:
 315                                                                                 break;
 316                                                                         }
 317                                                                         break;
 318                                                                 }
 319                                                                 default:
 320                                                                         break;
 321                                                                 }
 322                                                         }
 323                                                         switch (tag)
 324                                                         {
 325                                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 326                                                                         if (!isvideo)
 327                                                                         {
 328                                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 329                                                                                         /* use last language code */
 330                                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 331                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 332                                                                         }
 333                                                                         break;
 334                                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 335                                                                         audio.component_tag =
 336                                                                                 video.component_tag =
 337                                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 338                                                                         break;
 339                                                                 case CA_DESCRIPTOR:
 340                                                                 {
 341                                                                         CaDescriptor *descr = (CaDescriptor*)(*desc);
 342                                                                         program.caids.insert(descr->getCaSystemId());
 343                                                                         break;
 344                                                                 }
 345                                                                 default:
 346                                                                         break;
 347                                                         }
 348                                                 }
 349                                                 break;
 350                                         }
 351                                         if (isaudio)
 352                                         {
 353                                                 audio.pid = (*es)->getPid();
 354
 355                                                         /* if we find the cached pids, this will be our default stream */
 356                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 357                                                         program.defaultAudioStream = program.audioStreams.size();
 358
 359                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 360                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 361                                                         first_ac3 = program.audioStreams.size();
 362
 363                                                 program.audioStreams.push_back(audio);
 364                                         }
 365                                         else if (isvideo)
 366                                         {
 367                                                 video.pid = (*es)->getPid();
 368                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 369                                                 {
 370                                                         program.videoStreams.push_back(program.videoStreams[0]);
 371                                                         program.videoStreams[0] = video;
 372                                                 }
 373                                                 else
 374                                                         program.videoStreams.push_back(video);
 375                                         }
 376                                         else
 377                                                 continue;
 378                                 }
 379                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 380                                         desc != pmt.getDescriptors()->end(); ++desc)
 381                                 {
 382                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 383                                         {
 384                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 385                                                 program.caids.insert(descr->getCaSystemId());
 386                                         }
 387                                 }
 388                         }
 389                         ret = 0;
 390
 391
 392                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 393                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 394                            (note: if an ac3 audio stream was selected before, this will be also stored
 395                            in 'fisrt_ac3', so we don't need to worry. */
 396                         bool defaultac3 = false;
 397                         std::string default_ac3;
 398
 399                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 400                                 defaultac3 = default_ac3 == "True";
 401
 402                         if (defaultac3 && (first_ac3 != -1))
 403                                 program.defaultAudioStream = first_ac3;
 404
 405                         m_cached_program = program;
 406                         m_have_cached_program = true;
 407                 }
 408         } else if ( m_service && !m_service->cacheEmpty() )
 409         {
 410                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 411                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 412                         cnt=0;
 413                 if ( vpidtype == -1 )
 414                         vpidtype = videoStream::vtMPEG2;
 415                 if ( cached_vpid != -1 )
 416                 {
 417                         videoStream s;
 418                         s.pid = cached_vpid;
 419                         s.type = vpidtype;
 420                         program.videoStreams.push_back(s);
 421                         ++cnt;
 422                 }
 423                 if ( cached_apid_ac3 != -1 )
 424                 {
 425                         audioStream s;
 426                         s.type = audioStream::atAC3;
 427                         s.pid = cached_apid_ac3;
 428                         program.audioStreams.push_back(s);
 429                         ++cnt;
 430                 }
 431                 if ( cached_apid_mpeg != -1 )
 432                 {
 433                         audioStream s;
 434                         s.type = audioStream::atMPEG;
 435                         s.pid = cached_apid_mpeg;
 436                         program.audioStreams.push_back(s);
 437                         ++cnt;
 438                 }
 439                 if ( cached_pcrpid != -1 )
 440                 {
 441                         ++cnt;
 442                         program.pcrPid = cached_pcrpid;
 443                 }
 444                 if ( cached_tpid != -1 )
 445                 {
 446                         ++cnt;
 447                         program.textPid = cached_tpid;
 448                 }
 449                 CAID_LIST &caids = m_service->m_ca;
 450                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 451                         program.caids.insert(*it);
 452                 if ( cnt )
 453                         ret = 0;
 454         }
 455         return ret;
 456 }
 457
 458 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 459 {
 460         channel = m_channel;
 461         if (channel)
 462                 return 0;
 463         else
 464                 return -1;
 465 }
 466
 467 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 468 {
 469         demux = m_demux;
 470         if (demux)
 471                 return 0;
 472         else
 473                 return -1;
 474 }
 475
 476 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 477 {
 478         int ret=0;
 479                 /* if we're using the decoding demux as data source
 480                    (for example in pvr playbacks), return that one. */
 481         if (m_use_decode_demux)
 482         {
 483                 demux = m_demux;
 484                 return ret;
 485         }
 486
 487         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 488
 489         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 490         if (!ret)
 491                 demux->getCADemuxID(m_decode_demux_num);
 492
 493         return ret;
 494 }
 495
 496 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 497 {
 498         pvr_channel = m_pvr_channel;
 499         if (pvr_channel)
 500                 return 0;
 501         else
 502                 return -1;
 503 }
 504
 505 void eDVBServicePMTHandler::SDTScanEvent(int event)
 506 {
 507         switch (event)
 508         {
 509                 case eDVBScan::evtFinish:
 510                 {
 511                         ePtr<iDVBChannelList> db;
 512                         if (m_resourceManager->getChannelList(db) != 0)
 513                                 eDebug("no channel list");
 514                         else
 515                         {
 516                                 m_dvb_scan->insertInto(db, true);
 517                                 eDebug("sdt update done!");
 518                         }
 519                         break;
 520                 }
 521
 522                 default:
 523                         break;
 524         }
 525 }
 526
 527 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue)
 528 {
 529         RESULT res;
 530         m_reference = ref;
 531
 532         m_use_decode_demux = use_decode_demux;
 533
 534                 /* is this a normal (non PVR) channel? */
 535         if (ref.path.empty())
 536         {
 537                 eDVBChannelID chid;
 538                 ref.getChannelID(chid);
 539                 res = m_resourceManager->allocateChannel(chid, m_channel);
 540                 eDebug("allocate Channel: res %d", res);
 541
 542                 ePtr<iDVBChannelList> db;
 543                 if (!m_resourceManager->getChannelList(db))
 544                                 db->getService((eServiceReferenceDVB&)m_reference, m_service);
 545
 546                 if (!res)
 547                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 548         } else
 549         {
 550                 eDVBMetaParser parser;
 551
 552                 int ret=parser.parseFile(ref.path);
 553                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 554                 {
 555                         eWarning("no .meta file found, trying to find PMT pid");
 556                         eDVBTSTools tstools;
 557                         if (tstools.openFile(ref.path.c_str()))
 558                                 eWarning("failed to open file");
 559                         else
 560                         {
 561                                 int service_id, pmt_pid;
 562                                 if (!tstools.findPMT(pmt_pid, service_id))
 563                                 {
 564                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 565                                         m_reference.setServiceID(service_id);
 566                                         m_pmt_pid = pmt_pid;
 567                                 }
 568                         }
 569                 } else
 570                         m_reference = parser.m_ref;
 571
 572                 eDebug("alloc PVR");
 573                         /* allocate PVR */
 574                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 575                 if (res)
 576                         eDebug("allocatePVRChannel failed!\n");
 577                 m_channel = m_pvr_channel;
 578         }
 579
 580         if (m_channel)
 581         {
 582                 m_channel->connectStateChange(
 583                         slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 584                         m_channelStateChanged_connection);
 585                 m_last_channel_state = -1;
 586                 channelStateChanged(m_channel);
 587
 588                 m_channel->connectEvent(
 589                         slot(*this, &eDVBServicePMTHandler::channelEvent),
 590                         m_channelEvent_connection);
 591
 592                 if (ref.path.empty())
 593                 {
 594                         delete m_dvb_scan;
 595                         m_dvb_scan = new eDVBScan(m_channel, false, false);
 596                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 597                 }
 598         } else
 599         {
 600                 if (res == eDVBResourceManager::errAllSourcesBusy)
 601                         serviceEvent(eventNoResources);
 602                 else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 603                         serviceEvent(eventMisconfiguration);
 604                 return res;
 605         }
 606
 607         if (m_pvr_channel)
 608         {
 609                 m_pvr_channel->setCueSheet(cue);
 610                 m_pvr_channel->playFile(ref.path.c_str());
 611         }
 612
 613         return res;
 614 }
 615
 616 void eDVBServicePMTHandler::free()
 617 {
 618         m_dvb_scan = 0;
 619         delete m_dvb_scan;
 620
 621         if (m_ca_servicePtr)
 622         {
 623                 int demuxes[2] = {0,0};
 624                 uint8_t tmp;
 625                 m_demux->getCADemuxID(tmp);
 626                 demuxes[0]=tmp;
 627                 if (m_decode_demux_num != 0xFF)
 628                         demuxes[1]=m_decode_demux_num;
 629                 else
 630                         demuxes[1]=demuxes[0];
 631                 ePtr<eTable<ProgramMapSection> > ptr;
 632                 m_PMT.getCurrent(ptr);
 633                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 634                 m_ca_servicePtr = 0;
 635         }
 636
 637         if (m_channel)
 638                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 639
 640         if (m_pvr_channel)
 641         {
 642                 m_pvr_channel->stopFile();
 643                 m_pvr_channel->setCueSheet(0);
 644         }
 645         m_PMT.stop();
 646         m_PAT.stop();
 647         m_service = 0;
 648         m_channel = 0;
 649         m_pvr_channel = 0;
 650         m_demux = 0;
 651 }
 652
 653 CAServiceMap eDVBCAService::exist;
 654 ChannelMap eDVBCAService::exist_channels;
 655 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 656
 657 eDVBCAService::eDVBCAService()
 658         :m_sn(0), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eApp)
 659 {
 660         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 661         CONNECT(m_retryTimer.timeout, eDVBCAService::sendCAPMT);
 662         Connect();
 663 }
 664
 665 eDVBCAService::~eDVBCAService()
 666 {
 667         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 668         ::close(m_sock);
 669         delete m_sn;
 670 }
 671
 672 // begin static methods
 673 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 674 {
 675         CAServiceMap::iterator it = exist.find(ref);
 676         if ( it != exist.end() )
 677                 caservice = it->second;
 678         else
 679         {
 680                 caservice = (exist[ref]=new eDVBCAService());
 681                 caservice->m_service = ref;
 682                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 683         }
 684
 685         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 686         for (int i=0; i < loops; ++i)
 687         {
 688 // search free demux entry
 689                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 690
 691                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 692                         ++iter;
 693
 694                 if ( iter < max_demux_slots )
 695                 {
 696                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 697                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 698                 }
 699                 else
 700                 {
 701                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 702                         return -1;
 703                 }
 704         }
 705         return 0;
 706 }
 707
 708 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 709 {
 710         CAServiceMap::iterator it = exist.find(ref);
 711         if ( it == exist.end() )
 712         {
 713                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 714                 return -1;
 715         }
 716         else
 717         {
 718                 eDVBCAService *caservice = it->second;
 719                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 720                 for (int i=0; i < loops; ++i)
 721                 {
 722                         bool freed = false;
 723                         int iter = 0,
 724                                 used_demux_slots = 0,
 725                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 726                         while ( iter < max_demux_slots )
 727                         {
 728                                 if ( caservice->m_used_demux[iter] != 0xFF )
 729                                 {
 730                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 731                                         {
 732                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 733                                                 caservice->m_used_demux[iter] = 0xFF;
 734                                                 freed=true;
 735                                         }
 736                                         else
 737                                                 ++used_demux_slots;
 738                                 }
 739                                 ++iter;
 740                         }
 741                         if (!freed)
 742                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 743                         if (i || loops == 1)
 744                         {
 745                                 if (!used_demux_slots)  // no more used.. so we remove it
 746                                 {
 747                                         delete it->second;
 748                                         exist.erase(it);
 749                                 }
 750                                 else
 751                                 {
 752                                         if (ptr)
 753                                                 it->second->buildCAPMT(ptr);
 754                                         else
 755                                                 eDebug("[eDVBCAService] can not send updated demux info");
 756                                 }
 757                         }
 758                 }
 759         }
 760         return 0;
 761 }
 762
 763 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 764 {
 765         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 766 }
 767
 768 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 769 {
 770         if ( chan )
 771         {
 772                 eDebug("[eDVBCAService] new channel %p!", chan);
 773                 channel_data *data = new channel_data();
 774                 data->m_channel = chan;
 775                 data->m_prevChannelState = -1;
 776                 data->m_dataDemux = -1;
 777                 exist_channels[chan] = data;
 778                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 779         }
 780 }
 781
 782 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 783 {
 784         ChannelMap::iterator it =
 785                 exist_channels.find(chan);
 786         if ( it != exist_channels.end() )
 787         {
 788                 int state=0;
 789                 chan->getState(state);
 790                 if ( it->second->m_prevChannelState != state )
 791                 {
 792                         switch (state)
 793                         {
 794                                 case iDVBChannel::state_ok:
 795                                 {
 796                                         eDebug("[eDVBCAService] channel %p running", chan);
 797                                         break;
 798                                 }
 799                                 case iDVBChannel::state_release:
 800                                 {
 801                                         eDebug("[eDVBCAService] remove channel %p", chan);
 802                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 803                                         msg[7] = it->second->m_dataDemux & 0xFF;
 804                                         int sock, clilen;
 805                                         struct sockaddr_un servaddr;
 806                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 807                                         servaddr.sun_family = AF_UNIX;
 808                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 809                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 810                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 811                                         if (sock > -1)
 812                                         {
 813                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 814                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 815                                                 int val=1;
 816                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 817                                                 if (write(sock, msg, 8) != 8)
 818                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 819                                                 close(sock);
 820                                         }
 821                                         exist_channels.erase(it);
 822                                         delete it->second;
 823                                         it->second=0;
 824                                         break;
 825                                 }
 826                                 default: // ignore all other events
 827                                         return;
 828                         }
 829                         if (it->second)
 830                                 it->second->m_prevChannelState = state;
 831                 }
 832         }
 833 }
 834
 835 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 836 {
 837         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 838         {
 839                 if (chid == it->second->m_channel->getChannelID())
 840                         return it->second;
 841         }
 842         return 0;
 843 }
 844 // end static methods
 845
 846 void eDVBCAService::socketCB(int what)
 847 {
 848         if (what & eSocketNotifier::Read)
 849                 /*eDebug("[eDVBCAService] data to read\n")*/;
 850         if (what & eSocketNotifier::Priority)
 851                 /*eDebug("[eDVBCAService] priority data to read\n")*/;
 852         if (what & eSocketNotifier::Hungup) {
 853                 /*eDebug("[eDVBCAService] connection closed\n")*/;
 854                 m_sendstate=1;
 855                 sendCAPMT();
 856         }
 857         if (what & eSocketNotifier::Error)
 858                 /*eDebug("[eDVBCAService] connection error\n")*/;
 859 }
 860
 861 void eDVBCAService::Connect()
 862 {
 863         if (m_sn) {
 864                 delete m_sn;
 865                 m_sn=0;
 866         }
 867         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 868         m_servaddr.sun_family = AF_UNIX;
 869         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 870         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 871         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 872         if (m_sock != -1)
 873         {
 874                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
 875                 {
 876                         int val=1;
 877                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 878                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 879                         m_sn = new eSocketNotifier(eApp, m_sock,
 880                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
 881                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
 882
 883                 }
 884 //              else
 885 //                      eDebug("[eDVBCAService] connect failed %m");
 886         }
 887         else
 888                 eDebug("[eDVBCAService] create socket failed %m");
 889 }
 890
 891 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 892 {
 893         if (!ptr)
 894                 return;
 895
 896         eDVBTableSpec table_spec;
 897         ptr->getSpec(table_spec);
 898
 899         int pmtpid = table_spec.pid,
 900                 pmt_version = table_spec.version;
 901
 902         uint8_t demux_mask = 0;
 903         int data_demux = -1;
 904
 905         int iter=0, max_demux_slots = sizeof(m_used_demux);
 906         while ( iter < max_demux_slots )
 907         {
 908                 if ( m_used_demux[iter] != 0xFF )
 909                 {
 910                         if ( m_used_demux[iter] > data_demux )
 911                                 data_demux = m_used_demux[iter];
 912                         demux_mask |= (1 << m_used_demux[iter]);
 913                 }
 914                 ++iter;
 915         }
 916
 917         if ( data_demux == -1 )
 918         {
 919                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 920                 return;
 921         }
 922
 923         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 924
 925         unsigned int build_hash = ( pmtpid << 16);
 926         build_hash |= (demux_mask << 8);
 927         build_hash |= (pmt_version&0xFF);
 928
 929         if ( build_hash == m_prev_build_hash )
 930         {
 931                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 932                 return;
 933         }
 934
 935         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 936         if ( i != ptr->getSections().end() )
 937         {
 938                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 939
 940                 while( i != ptr->getSections().end() )
 941                 {
 942 //                      eDebug("append");
 943                         capmt.append(*i++);
 944                 }
 945
 946                 // add our private descriptors to capmt
 947                 uint8_t tmp[10];
 948
 949                 tmp[0]=0x84;  // pmt pid
 950                 tmp[1]=0x02;
 951                 tmp[2]=pmtpid>>8;
 952                 tmp[3]=pmtpid&0xFF;
 953                 capmt.injectDescriptor(tmp, false);
 954
 955                 tmp[0] = 0x82; // demux
 956                 tmp[1] = 0x02;
 957                 tmp[2] = demux_mask;    // descramble bitmask
 958                 tmp[3] = data_demux&0xFF; // read section data from demux number
 959                 capmt.injectDescriptor(tmp, false);
 960
 961                 tmp[0] = 0x81; // dvbnamespace
 962                 tmp[1] = 0x08;
 963                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 964                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 965                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 966                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 967                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 968                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 969                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 970                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 971                 capmt.injectDescriptor(tmp, false);
 972
 973                 capmt.writeToBuffer(m_capmt);
 974         }
 975
 976         m_prev_build_hash = build_hash;
 977
 978         if ( m_sendstate != 0xFFFFFFFF )
 979                 m_sendstate=0;
 980         sendCAPMT();
 981 }
 982
 983 void eDVBCAService::sendCAPMT()
 984 {
 985         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
 986         {
 987                 ::close(m_sock);
 988                 Connect();
 989         }
 990
 991         int wp=0;
 992         if ( m_capmt[3] & 0x80 )
 993         {
 994                 int i=0;
 995                 int lenbytes = m_capmt[3] & ~0x80;
 996                 while(i < lenbytes)
 997                         wp = (wp << 8) | m_capmt[4 + i++];
 998                 wp+=4;
 999                 wp+=lenbytes;
1000         }
1001         else
1002         {
1003                 wp = m_capmt[3];
1004                 wp+=4;
1005         }
1006
1007         if ( write(m_sock, m_capmt, wp) == wp )
1008         {
1009                 m_sendstate=0xFFFFFFFF;
1010                 eDebug("[eDVBCAService] send %d bytes",wp);
1011                 eDVBChannelID chid;
1012                 m_service.getChannelID(chid);
1013                 channel_data *data = getChannelData(chid);
1014                 if (data)
1015                 {
1016                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1017                         data->m_dataDemux = m_capmt[24+lenbytes];
1018                 }
1019 #if 1
1020                 for(int i=0;i<wp;i++)
1021                         eDebugNoNewLine("%02x ", m_capmt[i]);
1022                 eDebug("");
1023 #endif
1024         }
1025         else
1026         {
1027                 switch(m_sendstate)
1028                 {
1029                         case 0xFFFFFFFF:
1030                                 ++m_sendstate;
1031                                 m_retryTimer.start(0,true);
1032 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1033                                 break;
1034                         default:
1035                                 m_retryTimer.start(5000,true);
1036 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1037                                 break;
1038                 }
1039                 ++m_sendstate;
1040         }
1041 }
1042
1043 static PyObject *createTuple(int pid, const char *type)
1044 {
1045         PyObject *r = PyTuple_New(2);
1046         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
1047         PyTuple_SetItem(r, 1, PyString_FromString(type));
1048         return r;
1049 }
1050
1051 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1052 {
1053         PyList_Append(list, item);
1054         Py_DECREF(item);
1055 }
1056
1057 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1058 {
1059         PyObject *r = PyDict_New();
1060
1061         PyObject *l = PyList_New(0);
1062
1063         PyList_AppendSteal(l, createTuple(0, "pat"));
1064
1065         if (pmtPid != -1)
1066                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1067
1068         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1069                         i(videoStreams.begin());
1070                         i != videoStreams.end(); ++i)
1071                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1072
1073         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1074                         i(audioStreams.begin());
1075                         i != audioStreams.end(); ++i)
1076                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1077
1078         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1079                         i(subtitleStreams.begin());
1080                         i != subtitleStreams.end(); ++i)
1081                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1082
1083         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1084
1085         if (textPid != -1)
1086                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1087
1088         PyDict_SetItemString(r, "pids", l);
1089         return r;
1090 }