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

   1 #include <lib/base/eerror.h>
   2 #include <lib/dvb/pmt.h>
   3 #include <lib/dvb/specs.h>
   4 #include <lib/dvb/dvb.h>
   5 #include <lib/dvb/metaparser.h>
   6 #include <lib/dvb_ci/dvbci.h>
   7 #include <lib/dvb/epgcache.h>
   8 #include <lib/dvb/scan.h>
   9 #include <dvbsi++/ca_descriptor.h>
  10 #include <dvbsi++/ca_program_map_section.h>
  11 #include <dvbsi++/teletext_descriptor.h>
  12 #include <dvbsi++/descriptor_tag.h>
  13 #include <dvbsi++/iso639_language_descriptor.h>
  14 #include <dvbsi++/stream_identifier_descriptor.h>
  15 #include <dvbsi++/subtitling_descriptor.h>
  16 #include <dvbsi++/teletext_descriptor.h>
  17 #include <lib/base/nconfig.h> // access to python config
  18
  19 eDVBServicePMTHandler::eDVBServicePMTHandler()
  20         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  21 {
  22         m_use_decode_demux = 0;
  23         m_pmt_pid = -1;
  24         eDVBResourceManager::getInstance(m_resourceManager);
  25         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  26         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  27 }
  28
  29 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  30 {
  31         free();
  32 }
  33
  34 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  35 {
  36         int state;
  37         channel->getState(state);
  38
  39         if ((m_last_channel_state != iDVBChannel::state_ok)
  40                 && (state == iDVBChannel::state_ok) && (!m_demux))
  41         {
  42                 if (m_channel)
  43                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  44                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  45
  46                 serviceEvent(eventTuned);
  47
  48                 if (m_demux)
  49                 {
  50                         eDebug("ok ... now we start!!");
  51
  52                         if (m_pmt_pid == -1)
  53                                 m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  54                         else
  55                                 m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  56
  57                         if ( m_service && !m_service->cacheEmpty() )
  58                                 serviceEvent(eventNewProgramInfo);
  59                 }
  60         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  61                         (state == iDVBChannel::state_failed))
  62         {
  63                 eDebug("tune failed.");
  64                 serviceEvent(eventTuneFailed);
  65         }
  66 }
  67
  68 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  69 {
  70         switch (event)
  71         {
  72         case iDVBChannel::evtEOF:
  73                 serviceEvent(eventEOF);
  74                 break;
  75         case iDVBChannel::evtSOF:
  76                 serviceEvent(eventSOF);
  77                 break;
  78         default:
  79                 break;
  80         }
  81 }
  82
  83 void eDVBServicePMTHandler::PMTready(int error)
  84 {
  85         if (error)
  86                 serviceEvent(eventNoPMT);
  87         else
  88         {
  89                 m_have_cached_program = false;
  90                 serviceEvent(eventNewProgramInfo);
  91                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  92                 {
  93                         eEPGCache::getInstance()->PMTready(this);
  94                         if(!m_ca_servicePtr)
  95                         {
  96                                 int demuxes[2] = {0,0};
  97                                 uint8_t tmp;
  98                                 m_demux->getCADemuxID(tmp);
  99                                 demuxes[0]=tmp;
 100                                 if (m_decode_demux_num != 0xFF)
 101                                         demuxes[1]=m_decode_demux_num;
 102                                 else
 103                                         demuxes[1]=demuxes[0];
 104                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 105                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 106                         }
 107                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 108                 }
 109                 if (m_ca_servicePtr)
 110                 {
 111                         ePtr<eTable<ProgramMapSection> > ptr;
 112                         if (!m_PMT.getCurrent(ptr))
 113                                 m_ca_servicePtr->buildCAPMT(ptr);
 114                         else
 115                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 116                 }
 117         }
 118 }
 119
 120 void eDVBServicePMTHandler::PATready(int)
 121 {
 122         ePtr<eTable<ProgramAssociationSection> > ptr;
 123         if (!m_PAT.getCurrent(ptr))
 124         {
 125                 int pmtpid = -1;
 126                 std::vector<ProgramAssociationSection*>::const_iterator i;
 127                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 128                 {
 129                         const ProgramAssociationSection &pat = **i;
 130                         ProgramAssociationConstIterator program;
 131                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 132                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 133                                         pmtpid = (*program)->getProgramMapPid();
 134                 }
 135                 if (pmtpid == -1)
 136                         serviceEvent(eventNoPATEntry);
 137                 else
 138                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 139         } else
 140                 serviceEvent(eventNoPAT);
 141 }
 142
 143 PyObject *eDVBServicePMTHandler::getCaIds()
 144 {
 145         ePyObject ret;
 146
 147         program prog;
 148
 149         if ( !getProgramInfo(prog) )
 150         {
 151                 int cnt=prog.caids.size();
 152                 if (cnt)
 153                 {
 154                         ret=PyList_New(cnt);
 155                         std::set<uint16_t>::iterator it(prog.caids.begin());
 156                         while(cnt--)
 157                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 158                 }
 159         }
 160
 161         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 162 }
 163
 164 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 165 {
 166         ePtr<eTable<ProgramMapSection> > ptr;
 167         int cached_apid_ac3 = -1;
 168         int cached_apid_mpeg = -1;
 169         int cached_vpid = -1;
 170         int cached_tpid = -1;
 171         int ret = -1;
 172
 173         program.videoStreams.clear();
 174         program.audioStreams.clear();
 175         program.pcrPid = -1;
 176         program.pmtPid = -1;
 177         program.textPid = -1;
 178
 179         int first_ac3 = -1;
 180         program.defaultAudioStream = 0;
 181
 182         if ( m_service && !m_service->cacheEmpty() )
 183         {
 184                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 185                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 186                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 187                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 188         }
 189
 190         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 191         {
 192                 if (m_have_cached_program)
 193                 {
 194                         program = m_cached_program;
 195                         ret = 0;
 196                 }
 197                 else
 198                 {
 199                         eDVBTableSpec table_spec;
 200                         ptr->getSpec(table_spec);
 201                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 202                         std::vector<ProgramMapSection*>::const_iterator i;
 203                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 204                         {
 205                                 const ProgramMapSection &pmt = **i;
 206                                 program.pcrPid = pmt.getPcrPid();
 207
 208                                 ElementaryStreamInfoConstIterator es;
 209                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 210                                 {
 211                                         int isaudio = 0, isvideo = 0;
 212                                         videoStream video;
 213                                         audioStream audio;
 214                                         audio.component_tag=video.component_tag=-1;
 215                                         video.type = videoStream::vtMPEG2;
 216
 217                                         switch ((*es)->getType())
 218                                         {
 219                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 220                                                 video.type = videoStream::vtMPEG4_H264;
 221                                         case 0x01: // MPEG 1 video
 222                                         case 0x02: // MPEG 2 video
 223                                                 isvideo = 1;
 224                                                 //break; fall through !!!
 225                                         case 0x03: // MPEG 1 audio
 226                                         case 0x04: // MPEG 2 audio:
 227                                                 if (!isvideo)
 228                                                 {
 229                                                         isaudio = 1;
 230                                                         audio.type = audioStream::atMPEG;
 231                                                 }
 232                                                 //break; fall through !!!
 233                                         case 0x06: // PES Private
 234                                         case 0x81: // user private
 235                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 236                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 237                                                 {
 238                                                         uint8_t tag = (*desc)->getTag();
 239                                                         if (!isaudio && !isvideo)
 240                                                         {
 241                                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 242                                                                    check descriptors to get the exakt type. */
 243                                                                 switch (tag)
 244                                                                 {
 245                                                                 case SUBTITLING_DESCRIPTOR:
 246                                                                 {
 247                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 248                                                                         const SubtitlingList *list = d->getSubtitlings();
 249                                                                         subtitleStream s;
 250                                                                         s.pid = (*es)->getPid();
 251                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 252                                                                         {
 253                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 254                                                                                 switch(s.subtitling_type)
 255                                                                                 {
 256                                                                                 case 0x10 ... 0x13:
 257                                                                                 case 0x20 ... 0x23: // dvb subtitles
 258                                                                                         break;
 259                                                                                 default:
 260                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 261                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 262                                                                                         s.subtitling_type = 0x10;
 263                                                                                         break;
 264                                                                                 }
 265                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 266                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 267                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 268 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 269 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 270                                                                                 program.subtitleStreams.push_back(s);
 271                                                                         }
 272                                                                         break;
 273                                                                 }
 274                                                                 case TELETEXT_DESCRIPTOR:
 275                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 276                                                                         {
 277                                                                                 subtitleStream s;
 278                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 279                                                                                 s.pid = program.textPid = (*es)->getPid();
 280                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 281                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 282                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 283                                                                                 {
 284                                                                                         switch((*it)->getTeletextType())
 285                                                                                         {
 286                                                                                         case 0x02: // Teletext subtitle page
 287                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 288                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 289                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 290                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 291 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 292 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 293                                                                                                 program.subtitleStreams.push_back(s);
 294                                                                                                 break;
 295                                                                                         }
 296                                                                                 }
 297                                                                         }
 298                                                                         break;
 299                                                                 case DTS_DESCRIPTOR:
 300                                                                         isaudio = 1;
 301                                                                         audio.type = audioStream::atDTS;
 302                                                                         break;
 303                                                                 case AAC_DESCRIPTOR:
 304                                                                         isaudio = 1;
 305                                                                         audio.type = audioStream::atAAC;
 306                                                                         break;
 307                                                                 case AC3_DESCRIPTOR:
 308                                                                         isaudio = 1;
 309                                                                         audio.type = audioStream::atAC3;
 310                                                                         break;
 311                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 312                                                                 {
 313                                                                                 /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 314                                                                         if ((*desc)->getLength() != 4)
 315                                                                                 break;
 316                                                                         unsigned char descr[6];
 317                                                                         (*desc)->writeToBuffer(descr);
 318                                                                         int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 319                                                                         switch (format_identifier)
 320                                                                         {
 321                                                                         case 0x41432d33:
 322                                                                                 isaudio = 1;
 323                                                                                 audio.type = audioStream::atAC3;
 324                                                                                 break;
 325                                                                         default:
 326                                                                                 break;
 327                                                                         }
 328                                                                         break;
 329                                                                 }
 330                                                                 default:
 331                                                                         break;
 332                                                                 }
 333                                                         }
 334                                                         switch (tag)
 335                                                         {
 336                                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 337                                                                         if (!isvideo)
 338                                                                         {
 339                                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 340                                                                                         /* use last language code */
 341                                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 342                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 343                                                                         }
 344                                                                         break;
 345                                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 346                                                                         audio.component_tag =
 347                                                                                 video.component_tag =
 348                                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 349                                                                         break;
 350                                                                 case CA_DESCRIPTOR:
 351                                                                 {
 352                                                                         CaDescriptor *descr = (CaDescriptor*)(*desc);
 353                                                                         program.caids.insert(descr->getCaSystemId());
 354                                                                         break;
 355                                                                 }
 356                                                                 default:
 357                                                                         break;
 358                                                         }
 359                                                 }
 360                                                 break;
 361                                         }
 362                                         if (isaudio)
 363                                         {
 364                                                 audio.pid = (*es)->getPid();
 365
 366                                                         /* if we find the cached pids, this will be our default stream */
 367                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 368                                                         program.defaultAudioStream = program.audioStreams.size();
 369
 370                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 371                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 372                                                         first_ac3 = program.audioStreams.size();
 373
 374                                                 program.audioStreams.push_back(audio);
 375                                         }
 376                                         else if (isvideo)
 377                                         {
 378                                                 video.pid = (*es)->getPid();
 379                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 380                                                 {
 381                                                         program.videoStreams.push_back(program.videoStreams[0]);
 382                                                         program.videoStreams[0] = video;
 383                                                 }
 384                                                 else
 385                                                         program.videoStreams.push_back(video);
 386                                         }
 387                                         else
 388                                                 continue;
 389                                 }
 390                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 391                                         desc != pmt.getDescriptors()->end(); ++desc)
 392                                 {
 393                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 394                                         {
 395                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 396                                                 program.caids.insert(descr->getCaSystemId());
 397                                         }
 398                                 }
 399                         }
 400                         ret = 0;
 401
 402
 403                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 404                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 405                            (note: if an ac3 audio stream was selected before, this will be also stored
 406                            in 'fisrt_ac3', so we don't need to worry. */
 407                         bool defaultac3 = false;
 408                         std::string default_ac3;
 409
 410                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 411                                 defaultac3 = default_ac3 == "True";
 412
 413                         if (defaultac3 && (first_ac3 != -1))
 414                                 program.defaultAudioStream = first_ac3;
 415
 416                         m_cached_program = program;
 417                         m_have_cached_program = true;
 418                 }
 419         } else if ( m_service && !m_service->cacheEmpty() )
 420         {
 421                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 422                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 423                         cnt=0;
 424                 if ( vpidtype == -1 )
 425                         vpidtype = videoStream::vtMPEG2;
 426                 if ( cached_vpid != -1 )
 427                 {
 428                         videoStream s;
 429                         s.pid = cached_vpid;
 430                         s.type = vpidtype;
 431                         program.videoStreams.push_back(s);
 432                         ++cnt;
 433                 }
 434                 if ( cached_apid_ac3 != -1 )
 435                 {
 436                         audioStream s;
 437                         s.type = audioStream::atAC3;
 438                         s.pid = cached_apid_ac3;
 439                         program.audioStreams.push_back(s);
 440                         ++cnt;
 441                 }
 442                 if ( cached_apid_mpeg != -1 )
 443                 {
 444                         audioStream s;
 445                         s.type = audioStream::atMPEG;
 446                         s.pid = cached_apid_mpeg;
 447                         program.audioStreams.push_back(s);
 448                         ++cnt;
 449                 }
 450                 if ( cached_pcrpid != -1 )
 451                 {
 452                         ++cnt;
 453                         program.pcrPid = cached_pcrpid;
 454                 }
 455                 if ( cached_tpid != -1 )
 456                 {
 457                         ++cnt;
 458                         program.textPid = cached_tpid;
 459                 }
 460                 CAID_LIST &caids = m_service->m_ca;
 461                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 462                         program.caids.insert(*it);
 463                 if ( cnt )
 464                         ret = 0;
 465         }
 466         return ret;
 467 }
 468
 469 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 470 {
 471         channel = m_channel;
 472         if (channel)
 473                 return 0;
 474         else
 475                 return -1;
 476 }
 477
 478 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 479 {
 480         demux = m_demux;
 481         if (demux)
 482                 return 0;
 483         else
 484                 return -1;
 485 }
 486
 487 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 488 {
 489         int ret=0;
 490                 /* if we're using the decoding demux as data source
 491                    (for example in pvr playbacks), return that one. */
 492         if (m_use_decode_demux)
 493         {
 494                 demux = m_demux;
 495                 return ret;
 496         }
 497
 498         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 499
 500         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 501         if (!ret)
 502                 demux->getCADemuxID(m_decode_demux_num);
 503
 504         return ret;
 505 }
 506
 507 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 508 {
 509         pvr_channel = m_pvr_channel;
 510         if (pvr_channel)
 511                 return 0;
 512         else
 513                 return -1;
 514 }
 515
 516 void eDVBServicePMTHandler::SDTScanEvent(int event)
 517 {
 518         switch (event)
 519         {
 520                 case eDVBScan::evtFinish:
 521                 {
 522                         ePtr<iDVBChannelList> db;
 523                         if (m_resourceManager->getChannelList(db) != 0)
 524                                 eDebug("no channel list");
 525                         else
 526                         {
 527                                 eDVBChannelID chid;
 528                                 m_reference.getChannelID(chid);
 529                                 if (chid == m_dvb_scan->getCurrentChannelID())
 530                                 {
 531                                         m_dvb_scan->insertInto(db, true);
 532                                         eDebug("sdt update done!");
 533                                 }
 534                                 else
 535                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 536                         }
 537                         break;
 538                 }
 539
 540                 default:
 541                         break;
 542         }
 543 }
 544
 545 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate)
 546 {
 547         RESULT res=0;
 548         m_reference = ref;
 549
 550         m_use_decode_demux = use_decode_demux;
 551
 552                 /* is this a normal (non PVR) channel? */
 553         if (ref.path.empty())
 554         {
 555                 eDVBChannelID chid;
 556                 ref.getChannelID(chid);
 557                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 558                 if (!simulate)
 559                         eDebug("allocate Channel: res %d", res);
 560
 561                 ePtr<iDVBChannelList> db;
 562                 if (!m_resourceManager->getChannelList(db))
 563                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 564
 565                 if (!res && !simulate)
 566                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 567         } else if (!simulate) // no simulation of playback services
 568         {
 569                 eDVBMetaParser parser;
 570
 571                 int ret=parser.parseFile(ref.path);
 572                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 573                 {
 574                         eWarning("no .meta file found, trying to find PMT pid");
 575                         eDVBTSTools tstools;
 576                         if (tstools.openFile(ref.path.c_str()))
 577                                 eWarning("failed to open file");
 578                         else
 579                         {
 580                                 int service_id, pmt_pid;
 581                                 if (!tstools.findPMT(pmt_pid, service_id))
 582                                 {
 583                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 584                                         m_reference.setServiceID(service_id);
 585                                         m_pmt_pid = pmt_pid;
 586                                 }
 587                         }
 588                 } else
 589                         m_reference = parser.m_ref;
 590
 591                 eDebug("alloc PVR");
 592                         /* allocate PVR */
 593                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 594                 if (res)
 595                         eDebug("allocatePVRChannel failed!\n");
 596                 m_channel = m_pvr_channel;
 597         }
 598
 599         if (!simulate)
 600         {
 601                 if (m_channel)
 602                 {
 603                         m_channel->connectStateChange(
 604                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 605                                 m_channelStateChanged_connection);
 606                         m_last_channel_state = -1;
 607                         channelStateChanged(m_channel);
 608
 609                         m_channel->connectEvent(
 610                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 611                                 m_channelEvent_connection);
 612
 613                         if (ref.path.empty())
 614                         {
 615                                 m_dvb_scan = 0;
 616                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 617                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 618                         }
 619                 } else
 620                 {
 621                         if (res == eDVBResourceManager::errAllSourcesBusy)
 622                                 serviceEvent(eventNoResources);
 623                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 624                                 serviceEvent(eventMisconfiguration);
 625                         return res;
 626                 }
 627
 628                 if (m_pvr_channel)
 629                 {
 630                         m_pvr_channel->setCueSheet(cue);
 631                         m_pvr_channel->playFile(ref.path.c_str());
 632                 }
 633         }
 634
 635         return res;
 636 }
 637
 638 void eDVBServicePMTHandler::free()
 639 {
 640         m_dvb_scan = 0;
 641
 642         if (m_ca_servicePtr)
 643         {
 644                 int demuxes[2] = {0,0};
 645                 uint8_t tmp;
 646                 m_demux->getCADemuxID(tmp);
 647                 demuxes[0]=tmp;
 648                 if (m_decode_demux_num != 0xFF)
 649                         demuxes[1]=m_decode_demux_num;
 650                 else
 651                         demuxes[1]=demuxes[0];
 652                 ePtr<eTable<ProgramMapSection> > ptr;
 653                 m_PMT.getCurrent(ptr);
 654                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 655                 m_ca_servicePtr = 0;
 656         }
 657
 658         if (m_channel)
 659                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 660
 661         if (m_pvr_channel)
 662         {
 663                 m_pvr_channel->stopFile();
 664                 m_pvr_channel->setCueSheet(0);
 665         }
 666
 667         m_PMT.stop();
 668         m_PAT.stop();
 669         m_service = 0;
 670         m_channel = 0;
 671         m_pvr_channel = 0;
 672         m_demux = 0;
 673 }
 674
 675 CAServiceMap eDVBCAService::exist;
 676 ChannelMap eDVBCAService::exist_channels;
 677 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 678
 679 eDVBCAService::eDVBCAService()
 680         : m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 681 {
 682         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 683         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 684         Connect();
 685 }
 686
 687 eDVBCAService::~eDVBCAService()
 688 {
 689         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 690         ::close(m_sock);
 691 }
 692
 693 // begin static methods
 694 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 695 {
 696         CAServiceMap::iterator it = exist.find(ref);
 697         if ( it != exist.end() )
 698                 caservice = it->second;
 699         else
 700         {
 701                 caservice = (exist[ref]=new eDVBCAService());
 702                 caservice->m_service = ref;
 703                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 704         }
 705
 706         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 707         for (int i=0; i < loops; ++i)
 708         {
 709 // search free demux entry
 710                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 711
 712                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 713                         ++iter;
 714
 715                 if ( iter < max_demux_slots )
 716                 {
 717                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 718                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 719                 }
 720                 else
 721                 {
 722                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 723                         return -1;
 724                 }
 725         }
 726         return 0;
 727 }
 728
 729 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 730 {
 731         CAServiceMap::iterator it = exist.find(ref);
 732         if ( it == exist.end() )
 733         {
 734                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 735                 return -1;
 736         }
 737         else
 738         {
 739                 eDVBCAService *caservice = it->second;
 740                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 741                 for (int i=0; i < loops; ++i)
 742                 {
 743                         bool freed = false;
 744                         int iter = 0,
 745                                 used_demux_slots = 0,
 746                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 747                         while ( iter < max_demux_slots )
 748                         {
 749                                 if ( caservice->m_used_demux[iter] != 0xFF )
 750                                 {
 751                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 752                                         {
 753                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 754                                                 caservice->m_used_demux[iter] = 0xFF;
 755                                                 freed=true;
 756                                         }
 757                                         else
 758                                                 ++used_demux_slots;
 759                                 }
 760                                 ++iter;
 761                         }
 762                         if (!freed)
 763                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 764                         if (i || loops == 1)
 765                         {
 766                                 if (!used_demux_slots)  // no more used.. so we remove it
 767                                 {
 768                                         delete it->second;
 769                                         exist.erase(it);
 770                                 }
 771                                 else
 772                                 {
 773                                         if (ptr)
 774                                                 it->second->buildCAPMT(ptr);
 775                                         else
 776                                                 eDebug("[eDVBCAService] can not send updated demux info");
 777                                 }
 778                         }
 779                 }
 780         }
 781         return 0;
 782 }
 783
 784 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 785 {
 786         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 787 }
 788
 789 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 790 {
 791         if ( chan )
 792         {
 793                 eDebug("[eDVBCAService] new channel %p!", chan);
 794                 channel_data *data = new channel_data();
 795                 data->m_channel = chan;
 796                 data->m_prevChannelState = -1;
 797                 data->m_dataDemux = -1;
 798                 exist_channels[chan] = data;
 799                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 800         }
 801 }
 802
 803 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 804 {
 805         ChannelMap::iterator it =
 806                 exist_channels.find(chan);
 807         if ( it != exist_channels.end() )
 808         {
 809                 int state=0;
 810                 chan->getState(state);
 811                 if ( it->second->m_prevChannelState != state )
 812                 {
 813                         switch (state)
 814                         {
 815                                 case iDVBChannel::state_ok:
 816                                 {
 817                                         eDebug("[eDVBCAService] channel %p running", chan);
 818                                         break;
 819                                 }
 820                                 case iDVBChannel::state_release:
 821                                 {
 822                                         eDebug("[eDVBCAService] remove channel %p", chan);
 823                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 824                                         msg[7] = it->second->m_dataDemux & 0xFF;
 825                                         int sock, clilen;
 826                                         struct sockaddr_un servaddr;
 827                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 828                                         servaddr.sun_family = AF_UNIX;
 829                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 830                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 831                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 832                                         if (sock > -1)
 833                                         {
 834                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 835                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 836                                                 int val=1;
 837                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 838                                                 if (write(sock, msg, 8) != 8)
 839                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 840                                                 close(sock);
 841                                         }
 842                                         exist_channels.erase(it);
 843                                         delete it->second;
 844                                         it->second=0;
 845                                         break;
 846                                 }
 847                                 default: // ignore all other events
 848                                         return;
 849                         }
 850                         if (it->second)
 851                                 it->second->m_prevChannelState = state;
 852                 }
 853         }
 854 }
 855
 856 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 857 {
 858         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 859         {
 860                 if (chid == it->second->m_channel->getChannelID())
 861                         return it->second;
 862         }
 863         return 0;
 864 }
 865 // end static methods
 866
 867 void eDVBCAService::socketCB(int what)
 868 {
 869         if (what & eSocketNotifier::Read)
 870                 /*eDebug("[eDVBCAService] data to read\n")*/;
 871         if (what & eSocketNotifier::Priority)
 872                 /*eDebug("[eDVBCAService] priority data to read\n")*/;
 873         if (what & eSocketNotifier::Hungup) {
 874                 /*eDebug("[eDVBCAService] connection closed\n")*/;
 875                 m_sendstate=1;
 876                 sendCAPMT();
 877         }
 878         if (what & eSocketNotifier::Error)
 879                 /*eDebug("[eDVBCAService] connection error\n")*/;
 880 }
 881
 882 void eDVBCAService::Connect()
 883 {
 884         m_sn=0;
 885         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 886         m_servaddr.sun_family = AF_UNIX;
 887         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 888         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 889         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 890         if (m_sock != -1)
 891         {
 892                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
 893                 {
 894                         int val=1;
 895                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 896                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 897                         m_sn = eSocketNotifier::create(eApp, m_sock,
 898                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
 899                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
 900
 901                 }
 902 //              else
 903 //                      eDebug("[eDVBCAService] connect failed %m");
 904         }
 905         else
 906                 eDebug("[eDVBCAService] create socket failed %m");
 907 }
 908
 909 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 910 {
 911         if (!ptr)
 912                 return;
 913
 914         eDVBTableSpec table_spec;
 915         ptr->getSpec(table_spec);
 916
 917         int pmtpid = table_spec.pid,
 918                 pmt_version = table_spec.version;
 919
 920         uint8_t demux_mask = 0;
 921         int data_demux = -1;
 922
 923         int iter=0, max_demux_slots = sizeof(m_used_demux);
 924         while ( iter < max_demux_slots )
 925         {
 926                 if ( m_used_demux[iter] != 0xFF )
 927                 {
 928                         if ( m_used_demux[iter] > data_demux )
 929                                 data_demux = m_used_demux[iter];
 930                         demux_mask |= (1 << m_used_demux[iter]);
 931                 }
 932                 ++iter;
 933         }
 934
 935         if ( data_demux == -1 )
 936         {
 937                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
 938                 return;
 939         }
 940
 941         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
 942
 943         unsigned int build_hash = ( pmtpid << 16);
 944         build_hash |= (demux_mask << 8);
 945         build_hash |= (pmt_version&0xFF);
 946
 947         if ( build_hash == m_prev_build_hash )
 948         {
 949                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
 950                 return;
 951         }
 952
 953         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
 954         if ( i != ptr->getSections().end() )
 955         {
 956                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
 957
 958                 while( i != ptr->getSections().end() )
 959                 {
 960 //                      eDebug("append");
 961                         capmt.append(*i++);
 962                 }
 963
 964                 // add our private descriptors to capmt
 965                 uint8_t tmp[10];
 966
 967                 tmp[0]=0x84;  // pmt pid
 968                 tmp[1]=0x02;
 969                 tmp[2]=pmtpid>>8;
 970                 tmp[3]=pmtpid&0xFF;
 971                 capmt.injectDescriptor(tmp, false);
 972
 973                 tmp[0] = 0x82; // demux
 974                 tmp[1] = 0x02;
 975                 tmp[2] = demux_mask;    // descramble bitmask
 976                 tmp[3] = data_demux&0xFF; // read section data from demux number
 977                 capmt.injectDescriptor(tmp, false);
 978
 979                 tmp[0] = 0x81; // dvbnamespace
 980                 tmp[1] = 0x08;
 981                 tmp[2] = m_service.getDVBNamespace().get()>>24;
 982                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
 983                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
 984                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
 985                 tmp[6]=m_service.getTransportStreamID().get()>>8;
 986                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
 987                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
 988                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
 989                 capmt.injectDescriptor(tmp, false);
 990
 991                 capmt.writeToBuffer(m_capmt);
 992         }
 993
 994         m_prev_build_hash = build_hash;
 995
 996         if ( m_sendstate != 0xFFFFFFFF )
 997                 m_sendstate=0;
 998         sendCAPMT();
 999 }
1000
1001 void eDVBCAService::sendCAPMT()
1002 {
1003         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1004         {
1005                 ::close(m_sock);
1006                 Connect();
1007         }
1008
1009         int wp=0;
1010         if ( m_capmt[3] & 0x80 )
1011         {
1012                 int i=0;
1013                 int lenbytes = m_capmt[3] & ~0x80;
1014                 while(i < lenbytes)
1015                         wp = (wp << 8) | m_capmt[4 + i++];
1016                 wp+=4;
1017                 wp+=lenbytes;
1018         }
1019         else
1020         {
1021                 wp = m_capmt[3];
1022                 wp+=4;
1023         }
1024
1025         if ( write(m_sock, m_capmt, wp) == wp )
1026         {
1027                 m_sendstate=0xFFFFFFFF;
1028                 eDebug("[eDVBCAService] send %d bytes",wp);
1029                 eDVBChannelID chid;
1030                 m_service.getChannelID(chid);
1031                 channel_data *data = getChannelData(chid);
1032                 if (data)
1033                 {
1034                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1035                         data->m_dataDemux = m_capmt[24+lenbytes];
1036                 }
1037 #if 1
1038                 for(int i=0;i<wp;i++)
1039                         eDebugNoNewLine("%02x ", m_capmt[i]);
1040                 eDebug("");
1041 #endif
1042         }
1043         else
1044         {
1045                 switch(m_sendstate)
1046                 {
1047                         case 0xFFFFFFFF:
1048                                 ++m_sendstate;
1049                                 m_retryTimer->start(0,true);
1050 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1051                                 break;
1052                         default:
1053                                 m_retryTimer->start(5000,true);
1054 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1055                                 break;
1056                 }
1057                 ++m_sendstate;
1058         }
1059 }
1060
1061 static PyObject *createTuple(int pid, const char *type)
1062 {
1063         PyObject *r = PyTuple_New(2);
1064         PyTuple_SetItem(r, 0, PyInt_FromLong(pid));
1065         PyTuple_SetItem(r, 1, PyString_FromString(type));
1066         return r;
1067 }
1068
1069 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1070 {
1071         PyList_Append(list, item);
1072         Py_DECREF(item);
1073 }
1074
1075 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1076 {
1077         PyObject *r = PyDict_New();
1078
1079         PyObject *l = PyList_New(0);
1080
1081         PyList_AppendSteal(l, createTuple(0, "pat"));
1082
1083         if (pmtPid != -1)
1084                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1085
1086         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1087                         i(videoStreams.begin());
1088                         i != videoStreams.end(); ++i)
1089                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1090
1091         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1092                         i(audioStreams.begin());
1093                         i != audioStreams.end(); ++i)
1094                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1095
1096         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1097                         i(subtitleStreams.begin());
1098                         i != subtitleStreams.end(); ++i)
1099                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1100
1101         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1102
1103         if (textPid != -1)
1104                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1105
1106         PyDict_SetItemString(r, "pids", l);
1107         return r;
1108 }