code.vuplus.com Git - vuplus_dvbapp/blob - 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_service || m_service->usePMT())
  54                         {
  55                                 if (m_pmt_pid == -1)
  56                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  57                                 else
  58                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  59                         }
  60
  61                         if ( m_service && !m_service->cacheEmpty() )
  62                                 serviceEvent(eventNewProgramInfo);
  63                 }
  64         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  65                         (state == iDVBChannel::state_failed))
  66         {
  67                 eDebug("tune failed.");
  68                 serviceEvent(eventTuneFailed);
  69         }
  70 }
  71
  72 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  73 {
  74         switch (event)
  75         {
  76         case iDVBChannel::evtEOF:
  77                 serviceEvent(eventEOF);
  78                 break;
  79         case iDVBChannel::evtSOF:
  80                 serviceEvent(eventSOF);
  81                 break;
  82         default:
  83                 break;
  84         }
  85 }
  86
  87 void eDVBServicePMTHandler::PMTready(int error)
  88 {
  89         if (error)
  90                 serviceEvent(eventNoPMT);
  91         else
  92         {
  93                 m_have_cached_program = false;
  94                 serviceEvent(eventNewProgramInfo);
  95                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  96                 {
  97                         eEPGCache::getInstance()->PMTready(this);
  98                         if(!m_ca_servicePtr)
  99                         {
 100                                 int demuxes[2] = {0,0};
 101                                 uint8_t tmp;
 102                                 m_demux->getCADemuxID(tmp);
 103                                 demuxes[0]=tmp;
 104                                 if (m_decode_demux_num != 0xFF)
 105                                         demuxes[1]=m_decode_demux_num;
 106                                 else
 107                                         demuxes[1]=demuxes[0];
 108                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 109                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 110                         }
 111                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 112                 }
 113                 if (m_ca_servicePtr)
 114                 {
 115                         ePtr<eTable<ProgramMapSection> > ptr;
 116                         if (!m_PMT.getCurrent(ptr))
 117                                 m_ca_servicePtr->buildCAPMT(ptr);
 118                         else
 119                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 120                 }
 121         }
 122 }
 123
 124 void eDVBServicePMTHandler::PATready(int)
 125 {
 126         ePtr<eTable<ProgramAssociationSection> > ptr;
 127         if (!m_PAT.getCurrent(ptr))
 128         {
 129                 int pmtpid = -1;
 130                 std::vector<ProgramAssociationSection*>::const_iterator i;
 131                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 132                 {
 133                         const ProgramAssociationSection &pat = **i;
 134                         ProgramAssociationConstIterator program;
 135                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 136                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 137                                         pmtpid = (*program)->getProgramMapPid();
 138                 }
 139                 if (pmtpid == -1)
 140                         serviceEvent(eventNoPATEntry);
 141                 else
 142                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 143         } else
 144                 serviceEvent(eventNoPAT);
 145 }
 146
 147 PyObject *eDVBServicePMTHandler::getCaIds()
 148 {
 149         ePyObject ret;
 150
 151         program prog;
 152
 153         if ( !getProgramInfo(prog) )
 154         {
 155                 int cnt=prog.caids.size();
 156                 if (cnt)
 157                 {
 158                         ret=PyList_New(cnt);
 159                         std::set<uint16_t>::iterator it(prog.caids.begin());
 160                         while(cnt--)
 161                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 162                 }
 163         }
 164
 165         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 166 }
 167
 168 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 169 {
 170         ePtr<eTable<ProgramMapSection> > ptr;
 171         int cached_apid_ac3 = -1;
 172         int cached_apid_mpeg = -1;
 173         int cached_vpid = -1;
 174         int cached_tpid = -1;
 175         int ret = -1;
 176
 177         program.videoStreams.clear();
 178         program.audioStreams.clear();
 179         program.pcrPid = -1;
 180         program.pmtPid = -1;
 181         program.textPid = -1;
 182
 183         int first_ac3 = -1;
 184         program.defaultAudioStream = 0;
 185
 186         if ( m_service && !m_service->cacheEmpty() )
 187         {
 188                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 189                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 190                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 191                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 192         }
 193
 194         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 195         {
 196                 if (m_have_cached_program)
 197                 {
 198                         program = m_cached_program;
 199                         ret = 0;
 200                 }
 201                 else
 202                 {
 203                         eDVBTableSpec table_spec;
 204                         ptr->getSpec(table_spec);
 205                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 206                         std::vector<ProgramMapSection*>::const_iterator i;
 207                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 208                         {
 209                                 const ProgramMapSection &pmt = **i;
 210                                 program.pcrPid = pmt.getPcrPid();
 211
 212                                 ElementaryStreamInfoConstIterator es;
 213                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 214                                 {
 215                                         int isaudio = 0, isvideo = 0;
 216                                         videoStream video;
 217                                         audioStream audio;
 218                                         audio.component_tag=video.component_tag=-1;
 219                                         video.type = videoStream::vtMPEG2;
 220
 221                                         switch ((*es)->getType())
 222                                         {
 223                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 224                                                 video.type = videoStream::vtMPEG4_H264;
 225                                         case 0x01: // MPEG 1 video
 226                                         case 0x02: // MPEG 2 video
 227                                                 isvideo = 1;
 228                                                 //break; fall through !!!
 229                                         case 0x03: // MPEG 1 audio
 230                                         case 0x04: // MPEG 2 audio:
 231                                                 if (!isvideo)
 232                                                 {
 233                                                         isaudio = 1;
 234                                                         audio.type = audioStream::atMPEG;
 235                                                 }
 236                                                 //break; fall through !!!
 237                                         case 0x06: // PES Private
 238                                         case 0x81: // user private
 239                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 240                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 241                                                 {
 242                                                         uint8_t tag = (*desc)->getTag();
 243                                                         if (!isaudio && !isvideo)
 244                                                         {
 245                                                                 /* PES private can contain AC-3, DTS or lots of other stuff.
 246                                                                    check descriptors to get the exakt type. */
 247                                                                 switch (tag)
 248                                                                 {
 249                                                                 case SUBTITLING_DESCRIPTOR:
 250                                                                 {
 251                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 252                                                                         const SubtitlingList *list = d->getSubtitlings();
 253                                                                         subtitleStream s;
 254                                                                         s.pid = (*es)->getPid();
 255                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 256                                                                         {
 257                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 258                                                                                 switch(s.subtitling_type)
 259                                                                                 {
 260                                                                                 case 0x10 ... 0x13:
 261                                                                                 case 0x20 ... 0x23: // dvb subtitles
 262                                                                                         break;
 263                                                                                 default:
 264                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 265                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 266                                                                                         s.subtitling_type = 0x10;
 267                                                                                         break;
 268                                                                                 }
 269                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 270                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 271                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 272 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 273 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 274                                                                                 program.subtitleStreams.push_back(s);
 275                                                                         }
 276                                                                         break;
 277                                                                 }
 278                                                                 case TELETEXT_DESCRIPTOR:
 279                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 280                                                                         {
 281                                                                                 subtitleStream s;
 282                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 283                                                                                 s.pid = program.textPid = (*es)->getPid();
 284                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 285                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 286                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 287                                                                                 {
 288                                                                                         switch((*it)->getTeletextType())
 289                                                                                         {
 290                                                                                         case 0x02: // Teletext subtitle page
 291                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 292                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 293                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 294                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 295 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 296 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 297                                                                                                 program.subtitleStreams.push_back(s);
 298                                                                                                 break;
 299                                                                                         }
 300                                                                                 }
 301                                                                         }
 302                                                                         break;
 303                                                                 case DTS_DESCRIPTOR:
 304                                                                         isaudio = 1;
 305                                                                         audio.type = audioStream::atDTS;
 306                                                                         break;
 307                                                                 case AAC_DESCRIPTOR:
 308                                                                         isaudio = 1;
 309                                                                         audio.type = audioStream::atAAC;
 310                                                                         break;
 311                                                                 case AC3_DESCRIPTOR:
 312                                                                         isaudio = 1;
 313                                                                         audio.type = audioStream::atAC3;
 314                                                                         break;
 315                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 316                                                                 {
 317                                                                                 /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 318                                                                         if ((*desc)->getLength() != 4)
 319                                                                                 break;
 320                                                                         unsigned char descr[6];
 321                                                                         (*desc)->writeToBuffer(descr);
 322                                                                         int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 323                                                                         switch (format_identifier)
 324                                                                         {
 325                                                                         case 0x41432d33:
 326                                                                                 isaudio = 1;
 327                                                                                 audio.type = audioStream::atAC3;
 328                                                                                 break;
 329                                                                         default:
 330                                                                                 break;
 331                                                                         }
 332                                                                         break;
 333                                                                 }
 334                                                                 default:
 335                                                                         break;
 336                                                                 }
 337                                                         }
 338                                                         switch (tag)
 339                                                         {
 340                                                                 case ISO_639_LANGUAGE_DESCRIPTOR:
 341                                                                         if (!isvideo)
 342                                                                         {
 343                                                                                 const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 344                                                                                         /* use last language code */
 345                                                                                 for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i)
 346                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 347                                                                         }
 348                                                                         break;
 349                                                                 case STREAM_IDENTIFIER_DESCRIPTOR:
 350                                                                         audio.component_tag =
 351                                                                                 video.component_tag =
 352                                                                                         ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 353                                                                         break;
 354                                                                 case CA_DESCRIPTOR:
 355                                                                 {
 356                                                                         CaDescriptor *descr = (CaDescriptor*)(*desc);
 357                                                                         program.caids.insert(descr->getCaSystemId());
 358                                                                         break;
 359                                                                 }
 360                                                                 default:
 361                                                                         break;
 362                                                         }
 363                                                 }
 364                                                 break;
 365                                         }
 366                                         if (isaudio)
 367                                         {
 368                                                 audio.pid = (*es)->getPid();
 369
 370                                                         /* if we find the cached pids, this will be our default stream */
 371                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 372                                                         program.defaultAudioStream = program.audioStreams.size();
 373
 374                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 375                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 376                                                         first_ac3 = program.audioStreams.size();
 377
 378                                                 program.audioStreams.push_back(audio);
 379                                         }
 380                                         else if (isvideo)
 381                                         {
 382                                                 video.pid = (*es)->getPid();
 383                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 384                                                 {
 385                                                         program.videoStreams.push_back(program.videoStreams[0]);
 386                                                         program.videoStreams[0] = video;
 387                                                 }
 388                                                 else
 389                                                         program.videoStreams.push_back(video);
 390                                         }
 391                                         else
 392                                                 continue;
 393                                 }
 394                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 395                                         desc != pmt.getDescriptors()->end(); ++desc)
 396                                 {
 397                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 398                                         {
 399                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 400                                                 program.caids.insert(descr->getCaSystemId());
 401                                         }
 402                                 }
 403                         }
 404                         ret = 0;
 405
 406
 407                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 408                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 409                            (note: if an ac3 audio stream was selected before, this will be also stored
 410                            in 'fisrt_ac3', so we don't need to worry. */
 411                         bool defaultac3 = false;
 412                         std::string default_ac3;
 413
 414                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 415                                 defaultac3 = default_ac3 == "True";
 416
 417                         if (defaultac3 && (first_ac3 != -1))
 418                                 program.defaultAudioStream = first_ac3;
 419
 420                         m_cached_program = program;
 421                         m_have_cached_program = true;
 422                 }
 423         } else if ( m_service && !m_service->cacheEmpty() )
 424         {
 425                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 426                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 427                         cnt=0;
 428                 if ( vpidtype == -1 )
 429                         vpidtype = videoStream::vtMPEG2;
 430                 if ( cached_vpid != -1 )
 431                 {
 432                         videoStream s;
 433                         s.pid = cached_vpid;
 434                         s.type = vpidtype;
 435                         program.videoStreams.push_back(s);
 436                         ++cnt;
 437                 }
 438                 if ( cached_apid_ac3 != -1 )
 439                 {
 440                         audioStream s;
 441                         s.type = audioStream::atAC3;
 442                         s.pid = cached_apid_ac3;
 443                         program.audioStreams.push_back(s);
 444                         ++cnt;
 445                 }
 446                 if ( cached_apid_mpeg != -1 )
 447                 {
 448                         audioStream s;
 449                         s.type = audioStream::atMPEG;
 450                         s.pid = cached_apid_mpeg;
 451                         program.audioStreams.push_back(s);
 452                         ++cnt;
 453                 }
 454                 if ( cached_pcrpid != -1 )
 455                 {
 456                         ++cnt;
 457                         program.pcrPid = cached_pcrpid;
 458                 }
 459                 if ( cached_tpid != -1 )
 460                 {
 461                         ++cnt;
 462                         program.textPid = cached_tpid;
 463                 }
 464                 CAID_LIST &caids = m_service->m_ca;
 465                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 466                         program.caids.insert(*it);
 467                 if ( cnt )
 468                         ret = 0;
 469         }
 470         return ret;
 471 }
 472
 473 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 474 {
 475         channel = m_channel;
 476         if (channel)
 477                 return 0;
 478         else
 479                 return -1;
 480 }
 481
 482 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 483 {
 484         demux = m_demux;
 485         if (demux)
 486                 return 0;
 487         else
 488                 return -1;
 489 }
 490
 491 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 492 {
 493         int ret=0;
 494                 /* if we're using the decoding demux as data source
 495                    (for example in pvr playbacks), return that one. */
 496         if (m_use_decode_demux)
 497         {
 498                 demux = m_demux;
 499                 return ret;
 500         }
 501
 502         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 503
 504         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 505         if (!ret)
 506                 demux->getCADemuxID(m_decode_demux_num);
 507
 508         return ret;
 509 }
 510
 511 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 512 {
 513         pvr_channel = m_pvr_channel;
 514         if (pvr_channel)
 515                 return 0;
 516         else
 517                 return -1;
 518 }
 519
 520 void eDVBServicePMTHandler::SDTScanEvent(int event)
 521 {
 522         switch (event)
 523         {
 524                 case eDVBScan::evtFinish:
 525                 {
 526                         ePtr<iDVBChannelList> db;
 527                         if (m_resourceManager->getChannelList(db) != 0)
 528                                 eDebug("no channel list");
 529                         else
 530                         {
 531                                 eDVBChannelID chid;
 532                                 m_reference.getChannelID(chid);
 533                                 if (chid == m_dvb_scan->getCurrentChannelID())
 534                                 {
 535                                         m_dvb_scan->insertInto(db, true);
 536                                         eDebug("sdt update done!");
 537                                 }
 538                                 else
 539                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 540                         }
 541                         break;
 542                 }
 543
 544                 default:
 545                         break;
 546         }
 547 }
 548
 549 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate)
 550 {
 551         RESULT res=0;
 552         m_reference = ref;
 553
 554         m_use_decode_demux = use_decode_demux;
 555
 556                 /* is this a normal (non PVR) channel? */
 557         if (ref.path.empty())
 558         {
 559                 eDVBChannelID chid;
 560                 ref.getChannelID(chid);
 561                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 562                 if (!simulate)
 563                         eDebug("allocate Channel: res %d", res);
 564
 565                 ePtr<iDVBChannelList> db;
 566                 if (!m_resourceManager->getChannelList(db))
 567                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 568
 569                 if (!res && !simulate)
 570                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 571         } else if (!simulate) // no simulation of playback services
 572         {
 573                 eDVBMetaParser parser;
 574
 575                 int ret=parser.parseFile(ref.path);
 576                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 577                 {
 578                         eWarning("no .meta file found, trying to find PMT pid");
 579                         eDVBTSTools tstools;
 580                         if (tstools.openFile(ref.path.c_str()))
 581                                 eWarning("failed to open file");
 582                         else
 583                         {
 584                                 int service_id, pmt_pid;
 585                                 if (!tstools.findPMT(pmt_pid, service_id))
 586                                 {
 587                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 588                                         m_reference.setServiceID(service_id);
 589                                         m_pmt_pid = pmt_pid;
 590                                 }
 591                         }
 592                 } else
 593                         m_reference = parser.m_ref;
 594
 595                 eDebug("alloc PVR");
 596                         /* allocate PVR */
 597                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 598                 if (res)
 599                         eDebug("allocatePVRChannel failed!\n");
 600                 m_channel = m_pvr_channel;
 601         }
 602
 603         if (!simulate)
 604         {
 605                 if (m_channel)
 606                 {
 607                         m_channel->connectStateChange(
 608                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 609                                 m_channelStateChanged_connection);
 610                         m_last_channel_state = -1;
 611                         channelStateChanged(m_channel);
 612
 613                         m_channel->connectEvent(
 614                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 615                                 m_channelEvent_connection);
 616
 617                         if (ref.path.empty())
 618                         {
 619                                 m_dvb_scan = 0;
 620                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 621                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 622                         }
 623                 } else
 624                 {
 625                         if (res == eDVBResourceManager::errAllSourcesBusy)
 626                                 serviceEvent(eventNoResources);
 627                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 628                                 serviceEvent(eventMisconfiguration);
 629                         return res;
 630                 }
 631
 632                 if (m_pvr_channel)
 633                 {
 634                         m_pvr_channel->setCueSheet(cue);
 635                         m_pvr_channel->playFile(ref.path.c_str());
 636                 }
 637         }
 638
 639         return res;
 640 }
 641
 642 void eDVBServicePMTHandler::free()
 643 {
 644         m_dvb_scan = 0;
 645
 646         if (m_ca_servicePtr)
 647         {
 648                 int demuxes[2] = {0,0};
 649                 uint8_t tmp;
 650                 m_demux->getCADemuxID(tmp);
 651                 demuxes[0]=tmp;
 652                 if (m_decode_demux_num != 0xFF)
 653                         demuxes[1]=m_decode_demux_num;
 654                 else
 655                         demuxes[1]=demuxes[0];
 656                 ePtr<eTable<ProgramMapSection> > ptr;
 657                 m_PMT.getCurrent(ptr);
 658                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 659                 m_ca_servicePtr = 0;
 660         }
 661
 662         if (m_channel)
 663                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 664
 665         if (m_pvr_channel)
 666         {
 667                 m_pvr_channel->stopFile();
 668                 m_pvr_channel->setCueSheet(0);
 669         }
 670
 671         m_PMT.stop();
 672         m_PAT.stop();
 673         m_service = 0;
 674         m_channel = 0;
 675         m_pvr_channel = 0;
 676         m_demux = 0;
 677 }
 678
 679 CAServiceMap eDVBCAService::exist;
 680 ChannelMap eDVBCAService::exist_channels;
 681 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 682
 683 eDVBCAService::eDVBCAService()
 684         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 685 {
 686         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 687         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 688         Connect();
 689 }
 690
 691 eDVBCAService::~eDVBCAService()
 692 {
 693         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 694         ::close(m_sock);
 695 }
 696
 697 // begin static methods
 698 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 699 {
 700         CAServiceMap::iterator it = exist.find(ref);
 701         if ( it != exist.end() )
 702                 caservice = it->second;
 703         else
 704         {
 705                 caservice = (exist[ref]=new eDVBCAService());
 706                 caservice->m_service = ref;
 707                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 708         }
 709
 710         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 711         for (int i=0; i < loops; ++i)
 712         {
 713 // search free demux entry
 714                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 715
 716                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 717                         ++iter;
 718
 719                 if ( iter < max_demux_slots )
 720                 {
 721                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 722                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 723                 }
 724                 else
 725                 {
 726                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 727                         return -1;
 728                 }
 729         }
 730         return 0;
 731 }
 732
 733 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 734 {
 735         CAServiceMap::iterator it = exist.find(ref);
 736         if ( it == exist.end() )
 737         {
 738                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 739                 return -1;
 740         }
 741         else
 742         {
 743                 eDVBCAService *caservice = it->second;
 744                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 745                 for (int i=0; i < loops; ++i)
 746                 {
 747                         bool freed = false;
 748                         int iter = 0,
 749                                 used_demux_slots = 0,
 750                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 751                         while ( iter < max_demux_slots )
 752                         {
 753                                 if ( caservice->m_used_demux[iter] != 0xFF )
 754                                 {
 755                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 756                                         {
 757                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 758                                                 caservice->m_used_demux[iter] = 0xFF;
 759                                                 freed=true;
 760                                         }
 761                                         else
 762                                                 ++used_demux_slots;
 763                                 }
 764                                 ++iter;
 765                         }
 766                         if (!freed)
 767                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 768                         if (i || loops == 1)
 769                         {
 770                                 if (!used_demux_slots)  // no more used.. so we remove it
 771                                 {
 772                                         delete it->second;
 773                                         exist.erase(it);
 774                                 }
 775                                 else
 776                                 {
 777                                         if (ptr)
 778                                                 it->second->buildCAPMT(ptr);
 779                                         else
 780                                                 eDebug("[eDVBCAService] can not send updated demux info");
 781                                 }
 782                         }
 783                 }
 784         }
 785         return 0;
 786 }
 787
 788 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 789 {
 790         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 791 }
 792
 793 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 794 {
 795         if ( chan )
 796         {
 797                 eDebug("[eDVBCAService] new channel %p!", chan);
 798                 channel_data *data = new channel_data();
 799                 data->m_channel = chan;
 800                 data->m_prevChannelState = -1;
 801                 data->m_dataDemux = -1;
 802                 exist_channels[chan] = data;
 803                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 804         }
 805 }
 806
 807 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 808 {
 809         ChannelMap::iterator it =
 810                 exist_channels.find(chan);
 811         if ( it != exist_channels.end() )
 812         {
 813                 int state=0;
 814                 chan->getState(state);
 815                 if ( it->second->m_prevChannelState != state )
 816                 {
 817                         switch (state)
 818                         {
 819                                 case iDVBChannel::state_ok:
 820                                 {
 821                                         eDebug("[eDVBCAService] channel %p running", chan);
 822                                         break;
 823                                 }
 824                                 case iDVBChannel::state_release:
 825                                 {
 826                                         eDebug("[eDVBCAService] remove channel %p", chan);
 827                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 828                                         msg[7] = it->second->m_dataDemux & 0xFF;
 829                                         int sock, clilen;
 830                                         struct sockaddr_un servaddr;
 831                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 832                                         servaddr.sun_family = AF_UNIX;
 833                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 834                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 835                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 836                                         if (sock > -1)
 837                                         {
 838                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 839                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 840                                                 int val=1;
 841                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 842                                                 if (write(sock, msg, 8) != 8)
 843                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 844                                                 close(sock);
 845                                         }
 846                                         exist_channels.erase(it);
 847                                         delete it->second;
 848                                         it->second=0;
 849                                         break;
 850                                 }
 851                                 default: // ignore all other events
 852                                         return;
 853                         }
 854                         if (it->second)
 855                                 it->second->m_prevChannelState = state;
 856                 }
 857         }
 858 }
 859
 860 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 861 {
 862         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 863         {
 864                 if (chid == it->second->m_channel->getChannelID())
 865                         return it->second;
 866         }
 867         return 0;
 868 }
 869 // end static methods
 870
 871 #define CA_REPLY_DEBUG
 872 #define MAX_LENGTH_BYTES 4
 873 #define MIN_LENGTH_BYTES 1
 874
 875 void eDVBCAService::socketCB(int what)
 876 {
 877         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
 878         {
 879                 char msgbuffer[4096];
 880                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
 881                 if (length == -1)
 882                 {
 883                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
 884                         {
 885                                 eDebug("[eSocketMMIHandler] read (%m)");
 886                                 what |= eSocketNotifier::Error;
 887                         }
 888                 } else if (length == 0)
 889                 {
 890                         what |= eSocketNotifier::Hungup;
 891                 } else
 892                 {
 893                         int len = length;
 894                         unsigned char *data = (unsigned char*)msgbuffer;
 895                         int clear = 1;
 896         // If a new message starts, then the previous message
 897         // should already have been processed. Otherwise the
 898         // previous message was incomplete and should therefore
 899         // be deleted.
 900                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
 901                                 clear = 0;
 902                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
 903                                 clear = 0;
 904                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
 905                                 clear = 0;
 906                         if (clear)
 907                         {
 908                                 m_buffer.clear();
 909 #ifdef CA_REPLY_DEBUG
 910                                 eDebug("clear buffer");
 911 #endif
 912                         }
 913 #ifdef CA_REPLY_DEBUG
 914                         eDebug("Put to buffer:");
 915                         for (int i=0; i < len; ++i)
 916                                 eDebugNoNewLine("%02x ", data[i]);
 917                         eDebug("\n--------");
 918 #endif
 919                         m_buffer.write( data, len );
 920
 921                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
 922                         {
 923                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
 924                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
 925                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
 926                                 {
 927                                         m_buffer.skip(1);
 928 #ifdef CA_REPLY_DEBUG
 929                                         eDebug("skip %02x", tmp[0]);
 930 #endif
 931                                         continue;
 932                                 }
 933                                 if (tmp[3] & 0x80)
 934                                 {
 935                                         int peekLength = (tmp[3] & 0x7f) + 4;
 936                                         if (m_buffer.size() < peekLength)
 937                                                 continue;
 938                                         m_buffer.peek(tmp, peekLength);
 939                                 }
 940                                 int size=0;
 941                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
 942                                 int messageLength = 3+LengthBytes+size;
 943                                 if ( m_buffer.size() >= messageLength )
 944                                 {
 945                                         unsigned char dest[messageLength];
 946                                         m_buffer.read(dest, messageLength);
 947 #ifdef CA_REPLY_DEBUG
 948                                         eDebug("dump ca reply:");
 949                                         for (int i=0; i < messageLength; ++i)
 950                                                 eDebugNoNewLine("%02x ", dest[i]);
 951                                         eDebug("\n--------");
 952 #endif
 953 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
 954                                 }
 955                         }
 956                 }
 957         }
 958         if (what & eSocketNotifier::Hungup) {
 959                 /*eDebug("[eDVBCAService] connection closed")*/;
 960                 m_sendstate=1;
 961                 sendCAPMT();
 962         }
 963         if (what & eSocketNotifier::Error)
 964                 eDebug("[eDVBCAService] connection error");
 965 }
 966
 967 void eDVBCAService::Connect()
 968 {
 969         m_sn=0;
 970         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
 971         m_servaddr.sun_family = AF_UNIX;
 972         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
 973         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
 974         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
 975         if (m_sock != -1)
 976         {
 977                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
 978                 {
 979                         int val=1;
 980                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
 981                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 982                         m_sn = eSocketNotifier::create(eApp, m_sock,
 983                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
 984                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
 985
 986                 }
 987 //              else
 988 //                      eDebug("[eDVBCAService] connect failed %m");
 989         }
 990         else
 991                 eDebug("[eDVBCAService] create socket failed %m");
 992 }
 993
 994 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
 995 {
 996         if (!ptr)
 997                 return;
 998
 999         eDVBTableSpec table_spec;
1000         ptr->getSpec(table_spec);
1001
1002         int pmtpid = table_spec.pid,
1003                 pmt_version = table_spec.version;
1004
1005         uint8_t demux_mask = 0;
1006         int data_demux = -1;
1007
1008         int iter=0, max_demux_slots = sizeof(m_used_demux);
1009         while ( iter < max_demux_slots )
1010         {
1011                 if ( m_used_demux[iter] != 0xFF )
1012                 {
1013                         if ( m_used_demux[iter] > data_demux )
1014                                 data_demux = m_used_demux[iter];
1015                         demux_mask |= (1 << m_used_demux[iter]);
1016                 }
1017                 ++iter;
1018         }
1019
1020         if ( data_demux == -1 )
1021         {
1022                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1023                 return;
1024         }
1025
1026         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1027
1028         unsigned int build_hash = ( pmtpid << 16);
1029         build_hash |= (demux_mask << 8);
1030         build_hash |= (pmt_version&0xFF);
1031
1032         if ( build_hash == m_prev_build_hash )
1033         {
1034                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1035                 return;
1036         }
1037
1038         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1039         if ( i != ptr->getSections().end() )
1040         {
1041                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1042
1043                 while( i != ptr->getSections().end() )
1044                 {
1045 //                      eDebug("append");
1046                         capmt.append(*i++);
1047                 }
1048
1049                 // add our private descriptors to capmt
1050                 uint8_t tmp[10];
1051
1052                 tmp[0]=0x84;  // pmt pid
1053                 tmp[1]=0x02;
1054                 tmp[2]=pmtpid>>8;
1055                 tmp[3]=pmtpid&0xFF;
1056                 capmt.injectDescriptor(tmp, false);
1057
1058                 tmp[0] = 0x82; // demux
1059                 tmp[1] = 0x02;
1060                 tmp[2] = demux_mask;    // descramble bitmask
1061                 tmp[3] = data_demux&0xFF; // read section data from demux number
1062                 capmt.injectDescriptor(tmp, false);
1063
1064                 tmp[0] = 0x81; // dvbnamespace
1065                 tmp[1] = 0x08;
1066                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1067                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1068                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1069                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1070                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1071                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1072                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1073                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1074                 capmt.injectDescriptor(tmp, false);
1075
1076                 capmt.writeToBuffer(m_capmt);
1077         }
1078
1079         m_prev_build_hash = build_hash;
1080
1081         if ( m_sendstate != 0xFFFFFFFF )
1082                 m_sendstate=0;
1083         sendCAPMT();
1084 }
1085
1086 void eDVBCAService::sendCAPMT()
1087 {
1088         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1089         {
1090                 ::close(m_sock);
1091                 Connect();
1092         }
1093
1094         int wp=0;
1095         if ( m_capmt[3] & 0x80 )
1096         {
1097                 int i=0;
1098                 int lenbytes = m_capmt[3] & ~0x80;
1099                 while(i < lenbytes)
1100                         wp = (wp << 8) | m_capmt[4 + i++];
1101                 wp+=4;
1102                 wp+=lenbytes;
1103         }
1104         else
1105         {
1106                 wp = m_capmt[3];
1107                 wp+=4;
1108         }
1109
1110         if ( write(m_sock, m_capmt, wp) == wp )
1111         {
1112                 m_sendstate=0xFFFFFFFF;
1113                 eDebug("[eDVBCAService] send %d bytes",wp);
1114                 eDVBChannelID chid;
1115                 m_service.getChannelID(chid);
1116                 channel_data *data = getChannelData(chid);
1117                 if (data)
1118                 {
1119                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1120                         data->m_dataDemux = m_capmt[24+lenbytes];
1121                 }
1122 #if 1
1123                 for(int i=0;i<wp;i++)
1124                         eDebugNoNewLine("%02x ", m_capmt[i]);
1125                 eDebug("");
1126 #endif
1127         }
1128         else
1129         {
1130                 switch(m_sendstate)
1131                 {
1132                         case 0xFFFFFFFF:
1133                                 ++m_sendstate;
1134                                 m_retryTimer->start(0,true);
1135 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1136                                 break;
1137                         default:
1138                                 m_retryTimer->start(5000,true);
1139 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1140                                 break;
1141                 }
1142                 ++m_sendstate;
1143         }
1144 }
1145
1146 static PyObject *createTuple(int pid, const char *type)
1147 {
1148         PyObject *r = PyTuple_New(2);
1149         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1150         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1151         return r;
1152 }
1153
1154 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1155 {
1156         PyList_Append(list, item);
1157         Py_DECREF(item);
1158 }
1159
1160 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1161
1162 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1163 {
1164         ePyObject r = PyDict_New();
1165         ePyObject l = PyList_New(0);
1166
1167         PyList_AppendSteal(l, createTuple(0, "pat"));
1168
1169         if (pmtPid != -1)
1170                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1171
1172         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1173                         i(videoStreams.begin());
1174                         i != videoStreams.end(); ++i)
1175                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1176
1177         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1178                         i(audioStreams.begin());
1179                         i != audioStreams.end(); ++i)
1180                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1181
1182         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1183                         i(subtitleStreams.begin());
1184                         i != subtitleStreams.end(); ++i)
1185                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1186
1187         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1188
1189         if (textPid != -1)
1190                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1191
1192         PutToDict(r, "pids", l);
1193
1194         return r;
1195 }