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                 { // here we know a pat entry for this service id exist
 139                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 140                         if (m_reference.path.empty())
 141                         { // also check the tsid now before start sdt update
 142                                 eDVBChannelID chid;
 143                                 m_reference.getChannelID(chid);
 144                                 if (eTransportStreamID((*i)->getTableIdExtension()) == chid.transport_stream_id)
 145                                 {
 146                                         m_dvb_scan = new eDVBScan(m_channel, true, false);
 147                                         m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 148                                 }
 149                         }
 150                 }
 151         } else
 152                 serviceEvent(eventNoPAT);
 153 }
 154
 155 PyObject *eDVBServicePMTHandler::getCaIds()
 156 {
 157         ePyObject ret;
 158
 159         program prog;
 160
 161         if ( !getProgramInfo(prog) )
 162         {
 163                 int cnt=prog.caids.size();
 164                 if (cnt)
 165                 {
 166                         ret=PyList_New(cnt);
 167                         std::set<uint16_t>::iterator it(prog.caids.begin());
 168                         while(cnt--)
 169                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 170                 }
 171         }
 172
 173         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 174 }
 175
 176 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 177 {
 178         ePtr<eTable<ProgramMapSection> > ptr;
 179         int cached_apid_ac3 = -1;
 180         int cached_apid_mpeg = -1;
 181         int cached_vpid = -1;
 182         int cached_tpid = -1;
 183         int ret = -1;
 184
 185         program.videoStreams.clear();
 186         program.audioStreams.clear();
 187         program.pcrPid = -1;
 188         program.pmtPid = -1;
 189         program.textPid = -1;
 190
 191         int first_ac3 = -1;
 192         program.defaultAudioStream = 0;
 193
 194         if ( m_service && !m_service->cacheEmpty() )
 195         {
 196                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 197                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 198                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 199                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 200         }
 201
 202         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 203         {
 204                 if (m_have_cached_program)
 205                 {
 206                         program = m_cached_program;
 207                         ret = 0;
 208                 }
 209                 else
 210                 {
 211                         eDVBTableSpec table_spec;
 212                         ptr->getSpec(table_spec);
 213                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 214                         std::vector<ProgramMapSection*>::const_iterator i;
 215                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 216                         {
 217                                 const ProgramMapSection &pmt = **i;
 218                                 program.pcrPid = pmt.getPcrPid();
 219
 220                                 ElementaryStreamInfoConstIterator es;
 221                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 222                                 {
 223                                         int isaudio = 0, isvideo = 0;
 224                                         videoStream video;
 225                                         audioStream audio;
 226                                         audio.component_tag=video.component_tag=-1;
 227                                         video.type = videoStream::vtMPEG2;
 228
 229                                         switch ((*es)->getType())
 230                                         {
 231                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 232                                                 video.type = videoStream::vtMPEG4_H264;
 233                                         case 0x01: // MPEG 1 video
 234                                         case 0x02: // MPEG 2 video
 235                                                 isvideo = 1;
 236                                                 //break; fall through !!!
 237                                         case 0x03: // MPEG 1 audio
 238                                         case 0x04: // MPEG 2 audio:
 239                                                 if (!isvideo)
 240                                                 {
 241                                                         isaudio = 1;
 242                                                         audio.type = audioStream::atMPEG;
 243                                                 }
 244                                                 //break; fall through !!!
 245                                         case 0x06: // PES Private
 246                                         case 0x81: // user private
 247                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 248                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 249                                                 {
 250                                                         uint8_t tag = (*desc)->getTag();
 251                                                         if (!isaudio && !isvideo)
 252                                                         {
 253                                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 254                                                                    check descriptors to get the exakt type. */
 255                                                                 switch (tag)
 256                                                                 {
 257                                                                 case SUBTITLING_DESCRIPTOR:
 258                                                                 {
 259                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 260                                                                         const SubtitlingList *list = d->getSubtitlings();
 261                                                                         subtitleStream s;
 262                                                                         s.pid = (*es)->getPid();
 263                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 264                                                                         {
 265                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 266                                                                                 switch(s.subtitling_type)
 267                                                                                 {
 268                                                                                 case 0x10 ... 0x13:
 269                                                                                 case 0x20 ... 0x23: // dvb subtitles
 270                                                                                         break;
 271                                                                                 default:
 272                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 273                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 274                                                                                         s.subtitling_type = 0x10;
 275                                                                                         break;
 276                                                                                 }
 277                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 278                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 279                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 280 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 281 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 282                                                                                 program.subtitleStreams.push_back(s);
 283                                                                         }
 284                                                                         break;
 285                                                                 }
 286                                                                 case TELETEXT_DESCRIPTOR:
 287                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 288                                                                         {
 289                                                                                 subtitleStream s;
 290                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 291                                                                                 s.pid = program.textPid = (*es)->getPid();
 292                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 293                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 294                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 295                                                                                 {
 296                                                                                         switch((*it)->getTeletextType())
 297                                                                                         {
 298                                                                                         case 0x02: // Teletext subtitle page
 299                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 300                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 301                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 302                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 303 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 304 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 305                                                                                                 program.subtitleStreams.push_back(s);
 306                                                                                                 break;
 307                                                                                         }
 308                                                                                 }
 309                                                                         }
 310                                                                         break;
 311                                                                 case DTS_DESCRIPTOR:
 312                                                                         isaudio = 1;
 313                                                                         audio.type = audioStream::atDTS;
 314                                                                         break;
 315                                                                 case AAC_DESCRIPTOR:
 316                                                                         isaudio = 1;
 317                                                                         audio.type = audioStream::atAAC;
 318                                                                         break;
 319                                                                 case AC3_DESCRIPTOR:
 320                                                                         isaudio = 1;
 321                                                                         audio.type = audioStream::atAC3;
 322                                                                         break;
 323                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 324                                                                 {
 325                                                                                 /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 326                                                                         if ((*desc)->getLength() != 4)
 327                                                                                 break;
 328                                                                         unsigned char descr[6];
 329                                                                         (*desc)->writeToBuffer(descr);
 330                                                                         int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 331                                                                         switch (format_identifier)
 332                                                                         {
 333                                                                         case 0x41432d33:
 334                                                                                 isaudio = 1;
 335                                                                                 audio.type = audioStream::atAC3;
 336                                                                                 break;
 337                                                                         default:
 338                                                                                 break;
 339                                                                         }
 340                                                                         break;
 341                                                                 }
 342                                                                 default:
 343                                                                         break;
 344                                                                 }
 345                                                         }
 346                                                         switch (tag)
 347                                                         {
 348                                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 349                                                                         if (!isvideo)
 350                                                                         {
 351                                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 352                                                                                         /* use last language code */
 353                                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 354                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 355                                                                         }
 356                                                                         break;
 357                                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 358                                                                         audio.component_tag =
 359                                                                                 video.component_tag =
 360                                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 361                                                                         break;
 362                                                                 case CA_DESCRIPTOR:
 363                                                                 {
 364                                                                         CaDescriptor *descr = (CaDescriptor*)(*desc);
 365                                                                         program.caids.insert(descr->getCaSystemId());
 366                                                                         break;
 367                                                                 }
 368                                                                 default:
 369                                                                         break;
 370                                                         }
 371                                                 }
 372                                                 break;
 373                                         }
 374                                         if (isaudio)
 375                                         {
 376                                                 audio.pid = (*es)->getPid();
 377
 378                                                         /* if we find the cached pids, this will be our default stream */
 379                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 380                                                         program.defaultAudioStream = program.audioStreams.size();
 381
 382                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 383                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 384                                                         first_ac3 = program.audioStreams.size();
 385
 386                                                 program.audioStreams.push_back(audio);
 387                                         }
 388                                         else if (isvideo)
 389                                         {
 390                                                 video.pid = (*es)->getPid();
 391                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 392                                                 {
 393                                                         program.videoStreams.push_back(program.videoStreams[0]);
 394                                                         program.videoStreams[0] = video;
 395                                                 }
 396                                                 else
 397                                                         program.videoStreams.push_back(video);
 398                                         }
 399                                         else
 400                                                 continue;
 401                                 }
 402                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 403                                         desc != pmt.getDescriptors()->end(); ++desc)
 404                                 {
 405                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 406                                         {
 407                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 408                                                 program.caids.insert(descr->getCaSystemId());
 409                                         }
 410                                 }
 411                         }
 412                         ret = 0;
 413
 414
 415                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 416                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 417                            (note: if an ac3 audio stream was selected before, this will be also stored
 418                            in 'fisrt_ac3', so we don't need to worry. */
 419                         bool defaultac3 = false;
 420                         std::string default_ac3;
 421
 422                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 423                                 defaultac3 = default_ac3 == "True";
 424
 425                         if (defaultac3 && (first_ac3 != -1))
 426                                 program.defaultAudioStream = first_ac3;
 427
 428                         m_cached_program = program;
 429                         m_have_cached_program = true;
 430                 }
 431         } else if ( m_service && !m_service->cacheEmpty() )
 432         {
 433                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 434                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 435                         cnt=0;
 436                 if ( vpidtype == -1 )
 437                         vpidtype = videoStream::vtMPEG2;
 438                 if ( cached_vpid != -1 )
 439                 {
 440                         videoStream s;
 441                         s.pid = cached_vpid;
 442                         s.type = vpidtype;
 443                         program.videoStreams.push_back(s);
 444                         ++cnt;
 445                 }
 446                 if ( cached_apid_ac3 != -1 )
 447                 {
 448                         audioStream s;
 449                         s.type = audioStream::atAC3;
 450                         s.pid = cached_apid_ac3;
 451                         program.audioStreams.push_back(s);
 452                         ++cnt;
 453                 }
 454                 if ( cached_apid_mpeg != -1 )
 455                 {
 456                         audioStream s;
 457                         s.type = audioStream::atMPEG;
 458                         s.pid = cached_apid_mpeg;
 459                         program.audioStreams.push_back(s);
 460                         ++cnt;
 461                 }
 462                 if ( cached_pcrpid != -1 )
 463                 {
 464                         ++cnt;
 465                         program.pcrPid = cached_pcrpid;
 466                 }
 467                 if ( cached_tpid != -1 )
 468                 {
 469                         ++cnt;
 470                         program.textPid = cached_tpid;
 471                 }
 472                 CAID_LIST &caids = m_service->m_ca;
 473                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 474                         program.caids.insert(*it);
 475                 if ( cnt )
 476                         ret = 0;
 477         }
 478         return ret;
 479 }
 480
 481 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 482 {
 483         channel = m_channel;
 484         if (channel)
 485                 return 0;
 486         else
 487                 return -1;
 488 }
 489
 490 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 491 {
 492         demux = m_demux;
 493         if (demux)
 494                 return 0;
 495         else
 496                 return -1;
 497 }
 498
 499 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 500 {
 501         int ret=0;
 502                 /* if we're using the decoding demux as data source
 503                    (for example in pvr playbacks), return that one. */
 504         if (m_use_decode_demux)
 505         {
 506                 demux = m_demux;
 507                 return ret;
 508         }
 509
 510         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 511
 512         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 513         if (!ret)
 514                 demux->getCADemuxID(m_decode_demux_num);
 515
 516         return ret;
 517 }
 518
 519 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 520 {
 521         pvr_channel = m_pvr_channel;
 522         if (pvr_channel)
 523                 return 0;
 524         else
 525                 return -1;
 526 }
 527
 528 void eDVBServicePMTHandler::SDTScanEvent(int event)
 529 {
 530         switch (event)
 531         {
 532                 case eDVBScan::evtFinish:
 533                 {
 534                         ePtr<iDVBChannelList> db;
 535                         if (m_resourceManager->getChannelList(db) != 0)
 536                                 eDebug("no channel list");
 537                         else
 538                         {
 539                                 m_dvb_scan->insertInto(db, true);
 540                                 eDebug("sdt update done!");
 541                         }
 542                         break;
 543                 }
 544
 545                 default:
 546                         break;
 547         }
 548 }
 549
 550 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate)
 551 {
 552         RESULT res=0;
 553         m_reference = ref;
 554
 555         m_use_decode_demux = use_decode_demux;
 556
 557                 /* is this a normal (non PVR) channel? */
 558         if (ref.path.empty())
 559         {
 560                 eDVBChannelID chid;
 561                 ref.getChannelID(chid);
 562                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 563                 if (!simulate)
 564                         eDebug("allocate Channel: res %d", res);
 565
 566                 ePtr<iDVBChannelList> db;
 567                 if (!m_resourceManager->getChannelList(db))
 568                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 569
 570                 if (!res && !simulate)
 571                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 572         } else if (!simulate) // no simulation of playback services
 573         {
 574                 eDVBMetaParser parser;
 575
 576                 int ret=parser.parseFile(ref.path);
 577                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 578                 {
 579                         eWarning("no .meta file found, trying to find PMT pid");
 580                         eDVBTSTools tstools;
 581                         if (tstools.openFile(ref.path.c_str()))
 582                                 eWarning("failed to open file");
 583                         else
 584                         {
 585                                 int service_id, pmt_pid;
 586                                 if (!tstools.findPMT(pmt_pid, service_id))
 587                                 {
 588                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 589                                         m_reference.setServiceID(service_id);
 590                                         m_pmt_pid = pmt_pid;
 591                                 }
 592                         }
 593                 } else
 594                         m_reference = parser.m_ref;
 595
 596                 eDebug("alloc PVR");
 597                         /* allocate PVR */
 598                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 599                 if (res)
 600                         eDebug("allocatePVRChannel failed!\n");
 601                 m_channel = m_pvr_channel;
 602         }
 603
 604         if (!simulate)
 605         {
 606                 if (m_channel)
 607                 {
 608                         m_channel->connectStateChange(
 609                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 610                                 m_channelStateChanged_connection);
 611                         m_last_channel_state = -1;
 612                         channelStateChanged(m_channel);
 613
 614                         m_channel->connectEvent(
 615                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 616                                 m_channelEvent_connection);
 617
 618                         if (ref.path.empty())
 619                                 m_dvb_scan = 0;
 620                 } else
 621                 {
 622                         if (res == eDVBResourceManager::errAllSourcesBusy)
 623                                 serviceEvent(eventNoResources);
 624                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 625                                 serviceEvent(eventMisconfiguration);
 626                         return res;
 627                 }
 628
 629                 if (m_pvr_channel)
 630                 {
 631                         m_pvr_channel->setCueSheet(cue);
 632                         m_pvr_channel->playFile(ref.path.c_str());
 633                 }
 634         }
 635
 636         return res;
 637 }
 638
 639 void eDVBServicePMTHandler::free()
 640 {
 641         m_dvb_scan = 0;
 642
 643         if (m_ca_servicePtr)
 644         {
 645                 int demuxes[2] = {0,0};
 646                 uint8_t tmp;
 647                 m_demux->getCADemuxID(tmp);
 648                 demuxes[0]=tmp;
 649                 if (m_decode_demux_num != 0xFF)
 650                         demuxes[1]=m_decode_demux_num;
 651                 else
 652                         demuxes[1]=demuxes[0];
 653                 ePtr<eTable<ProgramMapSection> > ptr;
 654                 m_PMT.getCurrent(ptr);
 655                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 656                 m_ca_servicePtr = 0;
 657         }
 658
 659         if (m_channel)
 660                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 661
 662         if (m_pvr_channel)
 663         {
 664                 m_pvr_channel->stopFile();
 665                 m_pvr_channel->setCueSheet(0);
 666         }
 667
 668         m_PMT.stop();
 669         m_PAT.stop();
 670         m_service = 0;
 671         m_channel = 0;
 672         m_pvr_channel = 0;
 673         m_demux = 0;
 674 }
 675
 676 CAServiceMap eDVBCAService::exist;
 677 ChannelMap eDVBCAService::exist_channels;
 678 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 679
 680 eDVBCAService::eDVBCAService()
 681         : m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 682 {
 683         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 684         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 685         Connect();
 686 }
 687
 688 eDVBCAService::~eDVBCAService()
 689 {
 690         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 691         ::close(m_sock);
 692 }
 693
 694 // begin static methods
 695 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 696 {
 697         CAServiceMap::iterator it = exist.find(ref);
 698         if ( it != exist.end() )
 699                 caservice = it->second;
 700         else
 701         {
 702                 caservice = (exist[ref]=new eDVBCAService());
 703                 caservice->m_service = ref;
 704                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 705         }
 706
 707         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 708         for (int i=0; i < loops; ++i)
 709         {
 710 // search free demux entry
 711                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 712
 713                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 714                         ++iter;
 715
 716                 if ( iter < max_demux_slots )
 717                 {
 718                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 719                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 720                 }
 721                 else
 722                 {
 723                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 724                         return -1;
 725                 }
 726         }
 727         return 0;
 728 }
 729
 730 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 731 {
 732         CAServiceMap::iterator it = exist.find(ref);
 733         if ( it == exist.end() )
 734         {
 735                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 736                 return -1;
 737         }
 738         else
 739         {
 740                 eDVBCAService *caservice = it->second;
 741                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 742                 for (int i=0; i < loops; ++i)
 743                 {
 744                         bool freed = false;
 745                         int iter = 0,
 746                                 used_demux_slots = 0,
 747                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 748                         while ( iter < max_demux_slots )
 749                         {
 750                                 if ( caservice->m_used_demux[iter] != 0xFF )
 751                                 {
 752                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 753                                         {
 754                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 755                                                 caservice->m_used_demux[iter] = 0xFF;
 756                                                 freed=true;
 757                                         }
 758                                         else
 759                                                 ++used_demux_slots;
 760                                 }
 761                                 ++iter;
 762                         }
 763                         if (!freed)
 764                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 765                         if (i || loops == 1)
 766                         {
 767                                 if (!used_demux_slots)  // no more used.. so we remove it
 768                                 {
 769                                         delete it->second;
 770                                         exist.erase(it);
 771                                 }
 772                                 else
 773                                 {
 774                                         if (ptr)
 775                                                 it->second->buildCAPMT(ptr);
 776                                         else
 777                                                 eDebug("[eDVBCAService] can not send updated demux info");
 778                                 }
 779                         }
 780                 }
 781         }
 782         return 0;
 783 }
 784
 785 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 786 {
 787         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 788 }
 789
 790 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 791 {
 792         if ( chan )
 793         {
 794                 eDebug("[eDVBCAService] new channel %p!", chan);
 795                 channel_data *data = new channel_data();
 796                 data->m_channel = chan;
 797                 data->m_prevChannelState = -1;
 798                 data->m_dataDemux = -1;
 799                 exist_channels[chan] = data;
 800                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 801         }
 802 }
 803
 804 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 805 {
 806         ChannelMap::iterator it =
 807                 exist_channels.find(chan);
 808         if ( it != exist_channels.end() )
 809         {
 810                 int state=0;
 811                 chan->getState(state);
 812                 if ( it->second->m_prevChannelState != state )
 813                 {
 814                         switch (state)
 815                         {
 816                                 case iDVBChannel::state_ok:
 817                                 {
 818                                         eDebug("[eDVBCAService] channel %p running", chan);
 819                                         break;
 820                                 }
 821                                 case iDVBChannel::state_release:
 822                                 {
 823                                         eDebug("[eDVBCAService] remove channel %p", chan);
 824                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 825                                         msg[7] = it->second->m_dataDemux & 0xFF;
 826                                         int sock, clilen;
 827                                         struct sockaddr_un servaddr;
 828                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 829                                         servaddr.sun_family = AF_UNIX;
 830                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 831                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 832                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 833                                         if (sock > -1)
 834                                         {
 835                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 836                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 837                                                 int val=1;
 838                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 839                                                 if (write(sock, msg, 8) != 8)
 840                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 841                                                 close(sock);
 842                                         }
 843                                         exist_channels.erase(it);
 844                                         delete it->second;
 845                                         it->second=0;
 846                                         break;
 847                                 }
 848                                 default: // ignore all other events
 849                                         return;
 850                         }
 851                         if (it->second)
 852                                 it->second->m_prevChannelState = state;
 853                 }
 854         }
 855 }
 856
 857 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 858 {
 859         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 860         {
 861                 if (chid == it->second->m_channel->getChannelID())
 862                         return it->second;
 863         }
 864         return 0;
 865 }
 866 // end static methods
 867
 868 void eDVBCAService::socketCB(int what)
 869 {
 870         if (what & eSocketNotifier::Read)
 871                 /*eDebug("[eDVBCAService] data to read\n")*/;
 872         if (what & eSocketNotifier::Priority)
 873                 /*eDebug("[eDVBCAService] priority data to read\n")*/;
 874         if (what & eSocketNotifier::Hungup) {
 875                 /*eDebug("[eDVBCAService] connection closed\n")*/;
 876                 m_sendstate=1;
 877                 sendCAPMT();
 878         }
 879         if (what & eSocketNotifier::Error)
 880                 /*eDebug("[eDVBCAService] connection error\n")*/;
 881 }
 882
 883 void eDVBCAService::Connect()
 884 {
 885         m_sn=0;
 886         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 887         m_servaddr.sun_family = AF_UNIX;
 888         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 889         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 890         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 891         if (m_sock != -1)
 892         {
 893                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
 894                 {
 895                         int val=1;
 896                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 897                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 898                         m_sn = eSocketNotifier::create(eApp, m_sock,
 899                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
 900                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
 901
 902                 }
 903 //              else
 904 //                      eDebug("[eDVBCAService] connect failed %m");
 905         }
 906         else
 907                 eDebug("[eDVBCAService] create socket failed %m");
 908 }
 909
 910 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 911 {
 912         if (!ptr)
 913                 return;
 914
 915         eDVBTableSpec table_spec;
 916         ptr->getSpec(table_spec);
 917
 918         int pmtpid = table_spec.pid,
 919                 pmt_version = table_spec.version;
 920
 921         uint8_t demux_mask = 0;
 922         int data_demux = -1;
 923
 924         int iter=0, max_demux_slots = sizeof(m_used_demux);
 925         while ( iter < max_demux_slots )
 926         {
 927                 if ( m_used_demux[iter] != 0xFF )
 928                 {
 929                         if ( m_used_demux[iter] > data_demux )
 930                                 data_demux = m_used_demux[iter];
 931                         demux_mask |= (1 << m_used_demux[iter]);
 932                 }
 933                 ++iter;
 934         }
 935
 936         if ( data_demux == -1 )
 937         {
 938                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 939                 return;
 940         }
 941
 942         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 943
 944         unsigned int build_hash = ( pmtpid << 16);
 945         build_hash |= (demux_mask << 8);
 946         build_hash |= (pmt_version&0xFF);
 947
 948         if ( build_hash == m_prev_build_hash )
 949         {
 950                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 951                 return;
 952         }
 953
 954         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 955         if ( i != ptr->getSections().end() )
 956         {
 957                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 958
 959                 while( i != ptr->getSections().end() )
 960                 {
 961 //                      eDebug("append");
 962                         capmt.append(*i++);
 963                 }
 964
 965                 // add our private descriptors to capmt
 966                 uint8_t tmp[10];
 967
 968                 tmp[0]=0x84;  // pmt pid
 969                 tmp[1]=0x02;
 970                 tmp[2]=pmtpid>>8;
 971                 tmp[3]=pmtpid&0xFF;
 972                 capmt.injectDescriptor(tmp, false);
 973
 974                 tmp[0] = 0x82; // demux
 975                 tmp[1] = 0x02;
 976                 tmp[2] = demux_mask;    // descramble bitmask
 977                 tmp[3] = data_demux&0xFF; // read section data from demux number
 978                 capmt.injectDescriptor(tmp, false);
 979
 980                 tmp[0] = 0x81; // dvbnamespace
 981                 tmp[1] = 0x08;
 982                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 983                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 984                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 985                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 986                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 987                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 988                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 989                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 990                 capmt.injectDescriptor(tmp, false);
 991
 992                 capmt.writeToBuffer(m_capmt);
 993         }
 994
 995         m_prev_build_hash = build_hash;
 996
 997         if ( m_sendstate != 0xFFFFFFFF )
 998                 m_sendstate=0;
 999         sendCAPMT();
1000 }
1001
1002 void eDVBCAService::sendCAPMT()
1003 {
1004         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1005         {
1006                 ::close(m_sock);
1007                 Connect();
1008         }
1009
1010         int wp=0;
1011         if ( m_capmt[3] & 0x80 )
1012         {
1013                 int i=0;
1014                 int lenbytes = m_capmt[3] & ~0x80;
1015                 while(i < lenbytes)
1016                         wp = (wp << 8) | m_capmt[4 + i++];
1017                 wp+=4;
1018                 wp+=lenbytes;
1019         }
1020         else
1021         {
1022                 wp = m_capmt[3];
1023                 wp+=4;
1024         }
1025
1026         if ( write(m_sock, m_capmt, wp) == wp )
1027         {
1028                 m_sendstate=0xFFFFFFFF;
1029                 eDebug("[eDVBCAService] send %d bytes",wp);
1030                 eDVBChannelID chid;
1031                 m_service.getChannelID(chid);
1032                 channel_data *data = getChannelData(chid);
1033                 if (data)
1034                 {
1035                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1036                         data->m_dataDemux = m_capmt[24+lenbytes];
1037                 }
1038 #if 1
1039                 for(int i=0;i<wp;i++)
1040                         eDebugNoNewLine("%02x ", m_capmt[i]);
1041                 eDebug("");
1042 #endif
1043         }
1044         else
1045         {
1046                 switch(m_sendstate)
1047                 {
1048                         case 0xFFFFFFFF:
1049                                 ++m_sendstate;
1050                                 m_retryTimer->start(0,true);
1051 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1052                                 break;
1053                         default:
1054                                 m_retryTimer->start(5000,true);
1055 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1056                                 break;
1057                 }
1058                 ++m_sendstate;
1059         }
1060 }
1061
1062 static PyObject *createTuple(int pid, const char *type)
1063 {
1064         PyObject *r = PyTuple_New(2);
1065         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
1066         PyTuple_SetItem(r, 1, PyString_FromString(type));
1067         return r;
1068 }
1069
1070 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1071 {
1072         PyList_Append(list, item);
1073         Py_DECREF(item);
1074 }
1075
1076 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1077 {
1078         PyObject *r = PyDict_New();
1079
1080         PyObject *l = PyList_New(0);
1081
1082         PyList_AppendSteal(l, createTuple(0, "pat"));
1083
1084         if (pmtPid != -1)
1085                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1086
1087         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1088                         i(videoStreams.begin());
1089                         i != videoStreams.end(); ++i)
1090                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1091
1092         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1093                         i(audioStreams.begin());
1094                         i != audioStreams.end(); ++i)
1095                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1096
1097         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1098                         i(subtitleStreams.begin());
1099                         i != subtitleStreams.end(); ++i)
1100                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1101
1102         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1103
1104         if (textPid != -1)
1105                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1106
1107         PyDict_SetItemString(r, "pids", l);
1108         return r;
1109 }