lib/dvb/pmt.cpp

   1 #include <lib/base/nconfig.h> // access to python config
   2 #include <lib/base/eerror.h>
   3 #include <lib/dvb/pmt.h>
   4 #include <lib/dvb/specs.h>
   5 #include <lib/dvb/dvb.h>
   6 #include <lib/dvb/metaparser.h>
   7 #include <lib/dvb_ci/dvbci.h>
   8 #include <lib/dvb/epgcache.h>
   9 #include <lib/dvb/scan.h>
  10 #include <lib/dvb_ci/dvbci_session.h>
  11 #include <dvbsi++/ca_descriptor.h>
  12 #include <dvbsi++/ca_program_map_section.h>
  13 #include <dvbsi++/teletext_descriptor.h>
  14 #include <dvbsi++/descriptor_tag.h>
  15 #include <dvbsi++/iso639_language_descriptor.h>
  16 #include <dvbsi++/stream_identifier_descriptor.h>
  17 #include <dvbsi++/subtitling_descriptor.h>
  18 #include <dvbsi++/teletext_descriptor.h>
  19
  20 eDVBServicePMTHandler::eDVBServicePMTHandler()
  21         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  22 {
  23         m_use_decode_demux = 0;
  24         m_pmt_pid = -1;
  25         eDVBResourceManager::getInstance(m_resourceManager);
  26         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  27         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  28 }
  29
  30 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  31 {
  32         free();
  33 }
  34
  35 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  36 {
  37         int state;
  38         channel->getState(state);
  39
  40         if ((m_last_channel_state != iDVBChannel::state_ok)
  41                 && (state == iDVBChannel::state_ok) && (!m_demux))
  42         {
  43                 if (m_channel)
  44                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  45                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  46
  47                 serviceEvent(eventTuned);
  48
  49                 if (m_demux)
  50                 {
  51                         eDebug("ok ... now we start!!");
  52
  53                         if (m_pmt_pid == -1)
  54                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  55                         else
  56                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  57
  58                         if ( m_service && !m_service->cacheEmpty() )
  59                                 serviceEvent(eventNewProgramInfo);
  60                 }
  61         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  62                         (state == iDVBChannel::state_failed))
  63         {
  64                 eDebug("tune failed.");
  65                 serviceEvent(eventTuneFailed);
  66         }
  67 }
  68
  69 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  70 {
  71         switch (event)
  72         {
  73         case iDVBChannel::evtEOF:
  74                 serviceEvent(eventEOF);
  75                 break;
  76         case iDVBChannel::evtSOF:
  77                 serviceEvent(eventSOF);
  78                 break;
  79         default:
  80                 break;
  81         }
  82 }
  83
  84 void eDVBServicePMTHandler::PMTready(int error)
  85 {
  86         if (error)
  87                 serviceEvent(eventNoPMT);
  88         else
  89         {
  90                 m_have_cached_program = false;
  91                 serviceEvent(eventNewProgramInfo);
  92                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  93                 {
  94                         eEPGCache::getInstance()->PMTready(this);
  95                         if(!m_ca_servicePtr)
  96                         {
  97                                 int demuxes[2] = {0,0};
  98                                 uint8_t tmp;
  99                                 m_demux->getCADemuxID(tmp);
 100                                 demuxes[0]=tmp;
 101                                 if (m_decode_demux_num != 0xFF)
 102                                         demuxes[1]=m_decode_demux_num;
 103                                 else
 104                                         demuxes[1]=demuxes[0];
 105                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 106                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 107                         }
 108                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 109                 }
 110                 if (m_ca_servicePtr)
 111                 {
 112                         ePtr<eTable<ProgramMapSection> > ptr;
 113                         if (!m_PMT.getCurrent(ptr))
 114                                 m_ca_servicePtr->buildCAPMT(ptr);
 115                         else
 116                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 117                 }
 118         }
 119 }
 120
 121 void eDVBServicePMTHandler::PATready(int)
 122 {
 123         ePtr<eTable<ProgramAssociationSection> > ptr;
 124         if (!m_PAT.getCurrent(ptr))
 125         {
 126                 int pmtpid = -1;
 127                 std::vector<ProgramAssociationSection*>::const_iterator i;
 128                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 129                 {
 130                         const ProgramAssociationSection &pat = **i;
 131                         ProgramAssociationConstIterator program;
 132                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 133                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 134                                         pmtpid = (*program)->getProgramMapPid();
 135                 }
 136                 if (pmtpid == -1)
 137                         serviceEvent(eventNoPATEntry);
 138                 else
 139                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 140         } else
 141                 serviceEvent(eventNoPAT);
 142 }
 143
 144 PyObject *eDVBServicePMTHandler::getCaIds()
 145 {
 146         ePyObject ret;
 147
 148         program prog;
 149
 150         if ( !getProgramInfo(prog) )
 151         {
 152                 int cnt=prog.caids.size();
 153                 if (cnt)
 154                 {
 155                         ret=PyList_New(cnt);
 156                         std::set<uint16_t>::iterator it(prog.caids.begin());
 157                         while(cnt--)
 158                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 159                 }
 160         }
 161
 162         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 163 }
 164
 165 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 166 {
 167         ePtr<eTable<ProgramMapSection> > ptr;
 168         int cached_apid_ac3 = -1;
 169         int cached_apid_mpeg = -1;
 170         int cached_vpid = -1;
 171         int cached_tpid = -1;
 172         int ret = -1;
 173
 174         program.videoStreams.clear();
 175         program.audioStreams.clear();
 176         program.pcrPid = -1;
 177         program.pmtPid = -1;
 178         program.textPid = -1;
 179
 180         int first_ac3 = -1;
 181         program.defaultAudioStream = 0;
 182
 183         if ( m_service && !m_service->cacheEmpty() )
 184         {
 185                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 186                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 187                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 188                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 189         }
 190
 191         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 192         {
 193                 if (m_have_cached_program)
 194                 {
 195                         program = m_cached_program;
 196                         ret = 0;
 197                 }
 198                 else
 199                 {
 200                         eDVBTableSpec table_spec;
 201                         ptr->getSpec(table_spec);
 202                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 203                         std::vector<ProgramMapSection*>::const_iterator i;
 204                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 205                         {
 206                                 const ProgramMapSection &pmt = **i;
 207                                 program.pcrPid = pmt.getPcrPid();
 208
 209                                 ElementaryStreamInfoConstIterator es;
 210                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 211                                 {
 212                                         int isaudio = 0, isvideo = 0;
 213                                         videoStream video;
 214                                         audioStream audio;
 215                                         audio.component_tag=video.component_tag=-1;
 216                                         video.type = videoStream::vtMPEG2;
 217
 218                                         switch ((*es)->getType())
 219                                         {
 220                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 221                                                 video.type = videoStream::vtMPEG4_H264;
 222                                         case 0x01: // MPEG 1 video
 223                                         case 0x02: // MPEG 2 video
 224                                                 isvideo = 1;
 225                                                 //break; fall through !!!
 226                                         case 0x03: // MPEG 1 audio
 227                                         case 0x04: // MPEG 2 audio:
 228                                                 if (!isvideo)
 229                                                 {
 230                                                         isaudio = 1;
 231                                                         audio.type = audioStream::atMPEG;
 232                                                 }
 233                                                 //break; fall through !!!
 234                                         case 0x06: // PES Private
 235                                         case 0x81: // user private
 236                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 237                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 238                                                 {
 239                                                         uint8_t tag = (*desc)->getTag();
 240                                                         if (!isaudio && !isvideo)
 241                                                         {
 242                                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 243                                                                    check descriptors to get the exakt type. */
 244                                                                 switch (tag)
 245                                                                 {
 246                                                                 case SUBTITLING_DESCRIPTOR:
 247                                                                 {
 248                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 249                                                                         const SubtitlingList *list = d->getSubtitlings();
 250                                                                         subtitleStream s;
 251                                                                         s.pid = (*es)->getPid();
 252                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 253                                                                         {
 254                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 255                                                                                 switch(s.subtitling_type)
 256                                                                                 {
 257                                                                                 case 0x10 ... 0x13:
 258                                                                                 case 0x20 ... 0x23: // dvb subtitles
 259                                                                                         break;
 260                                                                                 default:
 261                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 262                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 263                                                                                         s.subtitling_type = 0x10;
 264                                                                                         break;
 265                                                                                 }
 266                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 267                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 268                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 269 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 270 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 271                                                                                 program.subtitleStreams.push_back(s);
 272                                                                         }
 273                                                                         break;
 274                                                                 }
 275                                                                 case TELETEXT_DESCRIPTOR:
 276                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 277                                                                         {
 278                                                                                 subtitleStream s;
 279                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 280                                                                                 s.pid = program.textPid = (*es)->getPid();
 281                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 282                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 283                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 284                                                                                 {
 285                                                                                         switch((*it)->getTeletextType())
 286                                                                                         {
 287                                                                                         case 0x02: // Teletext subtitle page
 288                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 289                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 290                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 291                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 292 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 293 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 294                                                                                                 program.subtitleStreams.push_back(s);
 295                                                                                                 break;
 296                                                                                         }
 297                                                                                 }
 298                                                                         }
 299                                                                         break;
 300                                                                 case DTS_DESCRIPTOR:
 301                                                                         isaudio = 1;
 302                                                                         audio.type = audioStream::atDTS;
 303                                                                         break;
 304                                                                 case AAC_DESCRIPTOR:
 305                                                                         isaudio = 1;
 306                                                                         audio.type = audioStream::atAAC;
 307                                                                         break;
 308                                                                 case AC3_DESCRIPTOR:
 309                                                                         isaudio = 1;
 310                                                                         audio.type = audioStream::atAC3;
 311                                                                         break;
 312                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 313                                                                 {
 314                                                                                 /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 315                                                                         if ((*desc)->getLength() != 4)
 316                                                                                 break;
 317                                                                         unsigned char descr[6];
 318                                                                         (*desc)->writeToBuffer(descr);
 319                                                                         int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 320                                                                         switch (format_identifier)
 321                                                                         {
 322                                                                         case 0x41432d33:
 323                                                                                 isaudio = 1;
 324                                                                                 audio.type = audioStream::atAC3;
 325                                                                                 break;
 326                                                                         default:
 327                                                                                 break;
 328                                                                         }
 329                                                                         break;
 330                                                                 }
 331                                                                 default:
 332                                                                         break;
 333                                                                 }
 334                                                         }
 335                                                         switch (tag)
 336                                                         {
 337                                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 338                                                                         if (!isvideo)
 339                                                                         {
 340                                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 341                                                                                         /* use last language code */
 342                                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 343                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 344                                                                         }
 345                                                                         break;
 346                                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 347                                                                         audio.component_tag =
 348                                                                                 video.component_tag =
 349                                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 350                                                                         break;
 351                                                                 case CA_DESCRIPTOR:
 352                                                                 {
 353                                                                         CaDescriptor *descr = (CaDescriptor*)(*desc);
 354                                                                         program.caids.insert(descr->getCaSystemId());
 355                                                                         break;
 356                                                                 }
 357                                                                 default:
 358                                                                         break;
 359                                                         }
 360                                                 }
 361                                                 break;
 362                                         }
 363                                         if (isaudio)
 364                                         {
 365                                                 audio.pid = (*es)->getPid();
 366
 367                                                         /* if we find the cached pids, this will be our default stream */
 368                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 369                                                         program.defaultAudioStream = program.audioStreams.size();
 370
 371                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 372                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 373                                                         first_ac3 = program.audioStreams.size();
 374
 375                                                 program.audioStreams.push_back(audio);
 376                                         }
 377                                         else if (isvideo)
 378                                         {
 379                                                 video.pid = (*es)->getPid();
 380                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 381                                                 {
 382                                                         program.videoStreams.push_back(program.videoStreams[0]);
 383                                                         program.videoStreams[0] = video;
 384                                                 }
 385                                                 else
 386                                                         program.videoStreams.push_back(video);
 387                                         }
 388                                         else
 389                                                 continue;
 390                                 }
 391                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 392                                         desc != pmt.getDescriptors()->end(); ++desc)
 393                                 {
 394                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 395                                         {
 396                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 397                                                 program.caids.insert(descr->getCaSystemId());
 398                                         }
 399                                 }
 400                         }
 401                         ret = 0;
 402
 403
 404                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 405                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 406                            (note: if an ac3 audio stream was selected before, this will be also stored
 407                            in 'fisrt_ac3', so we don't need to worry. */
 408                         bool defaultac3 = false;
 409                         std::string default_ac3;
 410
 411                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 412                                 defaultac3 = default_ac3 == "True";
 413
 414                         if (defaultac3 && (first_ac3 != -1))
 415                                 program.defaultAudioStream = first_ac3;
 416
 417                         m_cached_program = program;
 418                         m_have_cached_program = true;
 419                 }
 420         } else if ( m_service && !m_service->cacheEmpty() )
 421         {
 422                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 423                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 424                         cnt=0;
 425                 if ( vpidtype == -1 )
 426                         vpidtype = videoStream::vtMPEG2;
 427                 if ( cached_vpid != -1 )
 428                 {
 429                         videoStream s;
 430                         s.pid = cached_vpid;
 431                         s.type = vpidtype;
 432                         program.videoStreams.push_back(s);
 433                         ++cnt;
 434                 }
 435                 if ( cached_apid_ac3 != -1 )
 436                 {
 437                         audioStream s;
 438                         s.type = audioStream::atAC3;
 439                         s.pid = cached_apid_ac3;
 440                         program.audioStreams.push_back(s);
 441                         ++cnt;
 442                 }
 443                 if ( cached_apid_mpeg != -1 )
 444                 {
 445                         audioStream s;
 446                         s.type = audioStream::atMPEG;
 447                         s.pid = cached_apid_mpeg;
 448                         program.audioStreams.push_back(s);
 449                         ++cnt;
 450                 }
 451                 if ( cached_pcrpid != -1 )
 452                 {
 453                         ++cnt;
 454                         program.pcrPid = cached_pcrpid;
 455                 }
 456                 if ( cached_tpid != -1 )
 457                 {
 458                         ++cnt;
 459                         program.textPid = cached_tpid;
 460                 }
 461                 CAID_LIST &caids = m_service->m_ca;
 462                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 463                         program.caids.insert(*it);
 464                 if ( cnt )
 465                         ret = 0;
 466         }
 467         return ret;
 468 }
 469
 470 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 471 {
 472         channel = m_channel;
 473         if (channel)
 474                 return 0;
 475         else
 476                 return -1;
 477 }
 478
 479 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 480 {
 481         demux = m_demux;
 482         if (demux)
 483                 return 0;
 484         else
 485                 return -1;
 486 }
 487
 488 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 489 {
 490         int ret=0;
 491                 /* if we're using the decoding demux as data source
 492                    (for example in pvr playbacks), return that one. */
 493         if (m_use_decode_demux)
 494         {
 495                 demux = m_demux;
 496                 return ret;
 497         }
 498
 499         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 500
 501         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 502         if (!ret)
 503                 demux->getCADemuxID(m_decode_demux_num);
 504
 505         return ret;
 506 }
 507
 508 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 509 {
 510         pvr_channel = m_pvr_channel;
 511         if (pvr_channel)
 512                 return 0;
 513         else
 514                 return -1;
 515 }
 516
 517 void eDVBServicePMTHandler::SDTScanEvent(int event)
 518 {
 519         switch (event)
 520         {
 521                 case eDVBScan::evtFinish:
 522                 {
 523                         ePtr<iDVBChannelList> db;
 524                         if (m_resourceManager->getChannelList(db) != 0)
 525                                 eDebug("no channel list");
 526                         else
 527                         {
 528                                 eDVBChannelID chid;
 529                                 m_reference.getChannelID(chid);
 530                                 if (chid == m_dvb_scan->getCurrentChannelID())
 531                                 {
 532                                         m_dvb_scan->insertInto(db, true);
 533                                         eDebug("sdt update done!");
 534                                 }
 535                                 else
 536                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 537                         }
 538                         break;
 539                 }
 540
 541                 default:
 542                         break;
 543         }
 544 }
 545
 546 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate)
 547 {
 548         RESULT res=0;
 549         m_reference = ref;
 550
 551         m_use_decode_demux = use_decode_demux;
 552
 553                 /* is this a normal (non PVR) channel? */
 554         if (ref.path.empty())
 555         {
 556                 eDVBChannelID chid;
 557                 ref.getChannelID(chid);
 558                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 559                 if (!simulate)
 560                         eDebug("allocate Channel: res %d", res);
 561
 562                 ePtr<iDVBChannelList> db;
 563                 if (!m_resourceManager->getChannelList(db))
 564                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 565
 566                 if (!res && !simulate)
 567                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 568         } else if (!simulate) // no simulation of playback services
 569         {
 570                 eDVBMetaParser parser;
 571
 572                 int ret=parser.parseFile(ref.path);
 573                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 574                 {
 575                         eWarning("no .meta file found, trying to find PMT pid");
 576                         eDVBTSTools tstools;
 577                         if (tstools.openFile(ref.path.c_str()))
 578                                 eWarning("failed to open file");
 579                         else
 580                         {
 581                                 int service_id, pmt_pid;
 582                                 if (!tstools.findPMT(pmt_pid, service_id))
 583                                 {
 584                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 585                                         m_reference.setServiceID(service_id);
 586                                         m_pmt_pid = pmt_pid;
 587                                 }
 588                         }
 589                 } else
 590                         m_reference = parser.m_ref;
 591
 592                 eDebug("alloc PVR");
 593                         /* allocate PVR */
 594                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 595                 if (res)
 596                         eDebug("allocatePVRChannel failed!\n");
 597                 m_channel = m_pvr_channel;
 598         }
 599
 600         if (!simulate)
 601         {
 602                 if (m_channel)
 603                 {
 604                         m_channel->connectStateChange(
 605                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 606                                 m_channelStateChanged_connection);
 607                         m_last_channel_state = -1;
 608                         channelStateChanged(m_channel);
 609
 610                         m_channel->connectEvent(
 611                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 612                                 m_channelEvent_connection);
 613
 614                         if (ref.path.empty())
 615                         {
 616                                 m_dvb_scan = 0;
 617                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 618                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 619                         }
 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_buffer(512), 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 #define CA_REPLY_DEBUG
 869 #define MAX_LENGTH_BYTES 4
 870 #define MIN_LENGTH_BYTES 1
 871
 872 void eDVBCAService::socketCB(int what)
 873 {
 874         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
 875         {
 876                 char msgbuffer[4096];
 877                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
 878                 if (length == -1)
 879                 {
 880                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
 881                         {
 882                                 eDebug("[eSocketMMIHandler] read (%m)");
 883                                 what |= eSocketNotifier::Error;
 884                         }
 885                 } else if (length == 0)
 886                 {
 887                         what |= eSocketNotifier::Hungup;
 888                 } else
 889                 {
 890                         int len = length;
 891                         unsigned char *data = (unsigned char*)msgbuffer;
 892                         int clear = 1;
 893         // If a new message starts, then the previous message
 894         // should already have been processed. Otherwise the
 895         // previous message was incomplete and should therefore
 896         // be deleted.
 897                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
 898                                 clear = 0;
 899                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
 900                                 clear = 0;
 901                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
 902                                 clear = 0;
 903                         if (clear)
 904                         {
 905                                 m_buffer.clear();
 906 #ifdef CA_REPLY_DEBUG
 907                                 eDebug("clear buffer");
 908 #endif
 909                         }
 910 #ifdef CA_REPLY_DEBUG
 911                         eDebug("Put to buffer:");
 912                         for (int i=0; i < len; ++i)
 913                                 eDebugNoNewLine("%02x ", data[i]);
 914                         eDebug("\n--------");
 915 #endif
 916                         m_buffer.write( data, len );
 917
 918                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
 919                         {
 920                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
 921                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
 922                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
 923                                 {
 924                                         m_buffer.skip(1);
 925 #ifdef CA_REPLY_DEBUG
 926                                         eDebug("skip %02x", tmp[0]);
 927 #endif
 928                                         continue;
 929                                 }
 930                                 if (tmp[3] & 0x80)
 931                                 {
 932                                         int peekLength = (tmp[3] & 0x7f) + 4;
 933                                         if (m_buffer.size() < peekLength)
 934                                                 continue;
 935                                         m_buffer.peek(tmp, peekLength);
 936                                 }
 937                                 int size=0;
 938                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
 939                                 int messageLength = 3+LengthBytes+size;
 940                                 if ( m_buffer.size() >= messageLength )
 941                                 {
 942                                         unsigned char dest[messageLength];
 943                                         m_buffer.read(dest, messageLength);
 944 #ifdef CA_REPLY_DEBUG
 945                                         eDebug("dump ca reply:");
 946                                         for (int i=0; i < messageLength; ++i)
 947                                                 eDebugNoNewLine("%02x ", dest[i]);
 948                                         eDebug("\n--------");
 949 #endif
 950 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
 951                                 }
 952                         }
 953                 }
 954         }
 955         if (what & eSocketNotifier::Hungup) {
 956                 /*eDebug("[eDVBCAService] connection closed")*/;
 957                 m_sendstate=1;
 958                 sendCAPMT();
 959         }
 960         if (what & eSocketNotifier::Error)
 961                 eDebug("[eDVBCAService] connection error");
 962 }
 963
 964 void eDVBCAService::Connect()
 965 {
 966         m_sn=0;
 967         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 968         m_servaddr.sun_family = AF_UNIX;
 969         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 970         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 971         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 972         if (m_sock != -1)
 973         {
 974                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
 975                 {
 976                         int val=1;
 977                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 978                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 979                         m_sn = eSocketNotifier::create(eApp, m_sock,
 980                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
 981                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
 982
 983                 }
 984 //              else
 985 //                      eDebug("[eDVBCAService] connect failed %m");
 986         }
 987         else
 988                 eDebug("[eDVBCAService] create socket failed %m");
 989 }
 990
 991 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 992 {
 993         if (!ptr)
 994                 return;
 995
 996         eDVBTableSpec table_spec;
 997         ptr->getSpec(table_spec);
 998
 999         int pmtpid = table_spec.pid,
1000                 pmt_version = table_spec.version;
1001
1002         uint8_t demux_mask = 0;
1003         int data_demux = -1;
1004
1005         int iter=0, max_demux_slots = sizeof(m_used_demux);
1006         while ( iter < max_demux_slots )
1007         {
1008                 if ( m_used_demux[iter] != 0xFF )
1009                 {
1010                         if ( m_used_demux[iter] > data_demux )
1011                                 data_demux = m_used_demux[iter];
1012                         demux_mask |= (1 << m_used_demux[iter]);
1013                 }
1014                 ++iter;
1015         }
1016
1017         if ( data_demux == -1 )
1018         {
1019                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1020                 return;
1021         }
1022
1023         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1024
1025         unsigned int build_hash = ( pmtpid << 16);
1026         build_hash |= (demux_mask << 8);
1027         build_hash |= (pmt_version&0xFF);
1028
1029         if ( build_hash == m_prev_build_hash )
1030         {
1031                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1032                 return;
1033         }
1034
1035         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1036         if ( i != ptr->getSections().end() )
1037         {
1038                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1039
1040                 while( i != ptr->getSections().end() )
1041                 {
1042 //                      eDebug("append");
1043                         capmt.append(*i++);
1044                 }
1045
1046                 // add our private descriptors to capmt
1047                 uint8_t tmp[10];
1048
1049                 tmp[0]=0x84;  // pmt pid
1050                 tmp[1]=0x02;
1051                 tmp[2]=pmtpid>>8;
1052                 tmp[3]=pmtpid&0xFF;
1053                 capmt.injectDescriptor(tmp, false);
1054
1055                 tmp[0] = 0x82; // demux
1056                 tmp[1] = 0x02;
1057                 tmp[2] = demux_mask;    // descramble bitmask
1058                 tmp[3] = data_demux&0xFF; // read section data from demux number
1059                 capmt.injectDescriptor(tmp, false);
1060
1061                 tmp[0] = 0x81; // dvbnamespace
1062                 tmp[1] = 0x08;
1063                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1064                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1065                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1066                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1067                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1068                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1069                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1070                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1071                 capmt.injectDescriptor(tmp, false);
1072
1073                 capmt.writeToBuffer(m_capmt);
1074         }
1075
1076         m_prev_build_hash = build_hash;
1077
1078         if ( m_sendstate != 0xFFFFFFFF )
1079                 m_sendstate=0;
1080         sendCAPMT();
1081 }
1082
1083 void eDVBCAService::sendCAPMT()
1084 {
1085         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1086         {
1087                 ::close(m_sock);
1088                 Connect();
1089         }
1090
1091         int wp=0;
1092         if ( m_capmt[3] & 0x80 )
1093         {
1094                 int i=0;
1095                 int lenbytes = m_capmt[3] & ~0x80;
1096                 while(i < lenbytes)
1097                         wp = (wp << 8) | m_capmt[4 + i++];
1098                 wp+=4;
1099                 wp+=lenbytes;
1100         }
1101         else
1102         {
1103                 wp = m_capmt[3];
1104                 wp+=4;
1105         }
1106
1107         if ( write(m_sock, m_capmt, wp) == wp )
1108         {
1109                 m_sendstate=0xFFFFFFFF;
1110                 eDebug("[eDVBCAService] send %d bytes",wp);
1111                 eDVBChannelID chid;
1112                 m_service.getChannelID(chid);
1113                 channel_data *data = getChannelData(chid);
1114                 if (data)
1115                 {
1116                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1117                         data->m_dataDemux = m_capmt[24+lenbytes];
1118                 }
1119 #if 1
1120                 for(int i=0;i<wp;i++)
1121                         eDebugNoNewLine("%02x ", m_capmt[i]);
1122                 eDebug("");
1123 #endif
1124         }
1125         else
1126         {
1127                 switch(m_sendstate)
1128                 {
1129                         case 0xFFFFFFFF:
1130                                 ++m_sendstate;
1131                                 m_retryTimer->start(0,true);
1132 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1133                                 break;
1134                         default:
1135                                 m_retryTimer->start(5000,true);
1136 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1137                                 break;
1138                 }
1139                 ++m_sendstate;
1140         }
1141 }
1142
1143 static PyObject *createTuple(int pid, const char *type)
1144 {
1145         PyObject *r = PyTuple_New(2);
1146         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
1147         PyTuple_SetItem(r, 1, PyString_FromString(type));
1148         return r;
1149 }
1150
1151 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1152 {
1153         PyList_Append(list, item);
1154         Py_DECREF(item);
1155 }
1156
1157 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1158 {
1159         PyObject *r = PyDict_New();
1160
1161         PyObject *l = PyList_New(0);
1162
1163         PyList_AppendSteal(l, createTuple(0, "pat"));
1164
1165         if (pmtPid != -1)
1166                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1167
1168         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1169                         i(videoStreams.begin());
1170                         i != videoStreams.end(); ++i)
1171                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1172
1173         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1174                         i(audioStreams.begin());
1175                         i != audioStreams.end(); ++i)
1176                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1177
1178         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1179                         i(subtitleStreams.begin());
1180                         i != subtitleStreams.end(); ++i)
1181                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1182
1183         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1184
1185         if (textPid != -1)
1186                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1187
1188         PyDict_SetItemString(r, "pids", l);
1189         return r;
1190 }